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CN-121345649-B - Oil rule guide pipe and forming equipment thereof

CN121345649BCN 121345649 BCN121345649 BCN 121345649BCN-121345649-B

Abstract

The invention discloses an oil rule guide pipe and forming equipment thereof, relates to the technical field of engine lubrication systems, and aims to solve the technical problem that the traditional oil rule guide pipe is difficult to consider sealing performance and mounting convenience. According to the invention, the sealing performance is improved by arranging the contact area between the sealing ring and the oil pan opening, the nut is rotated by using a spanner through the structural design of the mounting pipe, so that the nut moves relative to the thread groove, the mounting pipe is pushed to be inserted into the sealing ring, the supporting rod is used for providing axial support for the sealing ring to prevent the sealing ring from being axially folded, and when the mounting pipe is completely inserted into the sealing ring, the sealing ring is propped up and is in close contact with the oil pan opening.

Inventors

  • LI ZHITING
  • GONG YINGSHU
  • LIU SHENGTAO
  • WU CHENYAO

Assignees

  • 宁波运生工贸有限公司

Dates

Publication Date
20260512
Application Date
20251217

Claims (10)

  1. 1. The oil level gauge catheter is characterized by comprising an oil level gauge catheter body (1), an installation pipe (2) and a sealing ring (3); the oil level gauge is characterized in that the mounting pipe (2) is fixedly arranged at the head end of the oil level gauge catheter body (1), a thread groove (21) is formed in the tail surface of the mounting pipe (2), a nut (22) is connected to the thread groove (21) in a threaded mode, a plurality of sliding strips (23) are uniformly and fixedly arranged on the head surface of the mounting pipe (2), a sleeve (24) is sleeved on the mounting pipe (2), a plurality of sliding grooves (25) are formed in the inner edge surface of the sleeve (24), the sliding grooves (25) are in sliding connection with the sliding strips (23), a ring block (26) is fixedly arranged at the tail end of the sleeve (24), a guide chamfer (27) is formed in the head end of the sleeve (24), a positioning ring (28) is fixedly arranged at the head end of the mounting pipe (2), and a ring cavity (29) in plug-in fit with the sleeve (24) is formed in the tail end of the positioning ring (28). The sealing ring (3) is sleeved on the mounting pipe (2) and is in movable fit with the sleeve (24), four axial grooves (31) are formed in the sealing ring (3) in a square structure, and supporting rods (32) are fixedly arranged on the axial grooves (31); In an initial state, the sealing ring (3) is positioned at the head end of the positioning ring (28), the positioning ring (28) and the sealing ring (3) are inserted into the oil pan opening, the nut (22) is rotated by a spanner, so that the nut (22) moves relative to the thread groove (21), the sleeve (24) is pushed to be inserted into the sealing ring (3), and when the sleeve (24) is completely inserted into the sealing ring (3), the sealing ring (3) is spread and closely contacted with the oil pan opening; the sealing ring (3) is of a flower-shaped structure; a plurality of grooves (33) are formed in the two sides of the surface of the supporting rod (32) in a linear equidistant structure, and the axial grooves (31) are matched with the supporting rod (32) in shape.
  2. 2. A forming device of the oil rule guide pipe, which is suitable for processing the oil rule guide pipe according to claim 1, and is characterized by comprising an extruder (4), a die (5), a core die (6) and a rolling conveying mechanism (7); the die (5) is fixedly arranged at the tail end of the extruder (4), the core die (6) is fixedly arranged in the die (5), an extrusion film cavity matched with the sealing ring (3) is formed between the core die (6) and the die (5), four sliding holes B (60) are formed in the core die (6) and are square in structure relative to the output end of the extrusion film cavity, the rolling conveying mechanism (7) is fixedly arranged at the head side of the extruder (4), the rolling conveying mechanism (7) is provided with four conveying channels, and the four conveying channels are arranged in square structure; The sliding hole B (60) can be used for allowing the raw materials of the supporting rod (32) to enter, so that the two materials are extruded integrally.
  3. 3. The molding equipment of the oil level gauge catheter according to claim 2, wherein a through hole (41) is formed in the central position of a screw rod of the extruder (4), the head end of the screw rod of the extruder (4) penetrates out of the machine barrel of the extruder (4) and is communicated with the outside, a round block (42) is fixedly arranged at the tail part of a melting cavity of the extruder (4), a rotary groove (43) is formed in the head end of the round block (42), the rotary groove (43) is rotationally connected with the tail end of the screw rod of the extruder (4), a plurality of material holes (44) are uniformly formed in the surface of the round block (42), and four sliding holes A (45) are formed in the rotary groove (43) in a square structure.
  4. 4. The molding equipment of the oil rule guide pipe according to claim 3, wherein the die (5) is provided with a pre-storing groove (51), a launder (52), a pressure equalizing groove (53) and a shaping groove (54) in sequence along the material flow direction; The pre-storing groove (51) comprises cylindrical grooves and main grooves which are sequentially arranged along the material flow direction, and the main grooves are of gradually expanding structures along the material flow direction; the launder (52) is communicated with the main groove, the inner contour of the launder (52) is an equal-proportion enlarged structure of the outer contour of the sealing ring (3), and the contour of the tail end of the main groove is consistent with the contour of the head end of the launder (52); the pressure equalizing groove (53) is of a gradually-reduced structure along the material flow direction; the inner contour of the shaping groove (54) is consistent with the outer contour of the sealing ring (3), and the tail end contour of the pressure equalizing groove (53) is consistent with the inner contour of the shaping groove (54).
  5. 5. The molding equipment of an oil rule guide pipe according to claim 4, wherein a diversion core ring (57) is arranged at the tail part of the flow groove (52), an arc cavity (521) is formed in the inner wall of the tail end of the flow groove (52), the arc cavity (521) is an arc groove (33) circumferentially distributed along the flow groove (52), the diversion core ring (57) comprises a head ring (571) and a tail ring (572), the head ring (571) is arranged at the tail part of the flow groove (52), the section of the head ring (571) is in a triangular structure, the head ring (571) is fixedly connected with the tail part of the flow groove (52) through a plurality of transverse plates (573) which are uniformly arranged, the outer contour of the head ring (571) is matched with the inner contour of the flow groove (52), the tail ring (572) is fixedly arranged at the tail end of the head ring (571), and the section of the tail ring (572) is in a circular structure.
  6. 6. The molding equipment of the oil rule guide pipe according to claim 5, wherein a cooling channel (55) in a thread shape is formed in the tail side wall portion of the die (5), two through pipes A (56) are fixedly arranged on the tail surface of the die (5), and the two through pipes A (56) penetrate through the wall portion of the die (5) and are respectively communicated with two ends of the cooling channel (55).
  7. 7. The molding apparatus of a oil gauge pipe according to claim 6, wherein the core mold (6) includes a tapered block (61), a guide block (62), a pressure equalizing block (63), and a molding block (64) arranged in this order in the material flow direction; The conical block (61) is arranged in the main groove, and the tail end profile of the conical block (61) is matched with the tail end profile of the main groove; The flow guide block (62) comprises a direct current block and an oblique flow block which are sequentially arranged along the material flow direction, the direct current block is arranged at the head of the flow groove (52), the direct current block is fixedly connected with the flow groove (52) through a plurality of columns (620) which are uniformly arranged, the outer contour of the direct current block is matched with the inner contour of the flow groove (52), the oblique flow block is of a structure which is gradually reduced along the material flow direction, and the inner contour of the head ring (571) is matched with the outer contour of the oblique flow block; The pressure equalizing block (63) is arranged in the pressure equalizing groove (53), the pressure equalizing block (63) is of a gradually expanding structure along the material flow direction, and the head end contour of the pressure equalizing block (63) is consistent with the tail end contour of the diagonal flow block; the forming block (64) is arranged in the forming groove (54), the outer contour of the forming block (64) is consistent with the inner contour of the sealing ring (3), and the tail end contour of the homogenizing block (63) is consistent with the outer contour of the forming block (64).
  8. 8. The apparatus for forming a conduit for a lubricant gauge according to claim 7, wherein the tapered block (61), the main groove, and the cylindrical groove gap form a pre-chamber; the direct current block and the launder (52) form a direct current cavity in a clearance way; The gap between the diagonal flow block and the head ring (571) forms a main flow cavity; the gap between the pressure equalizing block (63) and the pressure equalizing groove (53) forms a pressure equalizing cavity; The gap between the head ring (571) and the launder (52) forms a direct current channel, the gap between the tail ring (572) and the arc cavity (521) forms an arc flow channel, and the direct current channel is communicated with the arc flow channel to form a tributary cavity; The forming block (64) and the forming groove (54) form a forming cavity in a clearance way; the extrusion film cavity is formed by communicating a pre-storing cavity, a direct current cavity, a main flow cavity, a tributary cavity, a pressure equalizing cavity and a forming cavity.
  9. 9. The molding equipment of an oil rule guide pipe according to claim 8, wherein an oil cavity a (621) is formed in the direct current block, an oil hole a is formed in the oil cavity a (621), an oil hole B communicated with the oil hole a is formed in one eccentric end of the cylinder (620) penetrating out of the die (5), an oil cavity B (622) is formed in the diagonal flow block, the oil cavity a (621) is communicated with the oil cavity B (622) to form a pressure equalizing oil cavity, a piston unit (623) is slidingly arranged on the oil cavity B (622), a slide way (624) is formed in one end, far away from the oil cavity a (621), of the diagonal flow block, a pressure equalizing sliding block (625) matched with the diagonal flow block in shape is slidingly arranged on the slide way (624), and the pressure equalizing sliding block (625) is fixedly connected with the piston unit (623).
  10. 10. The molding equipment of the oil level gauge catheter according to claim 9, wherein the rolling conveying mechanism (7) comprises a base (71), two vertical plates (72), a speed reduction rotating assembly (73) and four rotating shafts (74), the base (71) is fixedly arranged on the head side of the extruder (4), the two vertical plates (72) are fixedly arranged on the top end of the base (71) in a symmetrical structure relative to the position of the through hole (41), the speed reduction rotating assembly (73) is arranged on one side of one vertical plate (72) and fixedly connected with the base (71), the four rotating shafts (74) are rotationally arranged in gaps of the two vertical plates (72) in a linear equidistant structure, one rotating shaft (74) penetrates out of the corresponding vertical plate (72) and is fixedly connected with the output end of the speed reduction rotating assembly (73), one end of the rotating shaft (74) far away from the speed reduction rotating assembly (73) penetrates out of the corresponding vertical plate (72) and is fixedly provided with a gear (75), any two adjacent gears (75) are connected with one another, the four rotating shafts (74) are fixedly provided with annular grooves (77), the eight annular grooves (76) are formed on the rotating shafts (77), a plurality of bulges (78) are fixedly arranged on the annular groove (77) in an annular equidistant structure.

Description

Oil rule guide pipe and forming equipment thereof Technical Field The invention relates to the technical field of engine lubrication systems, in particular to an oil rule guide pipe and forming equipment thereof. Background In an engine lubrication system, an oil level gauge guide pipe is a key component for realizing oil level detection, one end of the oil level gauge guide pipe is communicated with an engine oil bottom shell, and the other end of the oil level gauge guide pipe is exposed out of an engine cabin and used for guiding the oil level gauge to be inserted and pulled out, so that the accuracy of oil level detection is ensured. The sealing performance of the guide pipe and the oil pan is a core technical index, if the sealing fails, engine oil leakage and external impurities invasion can be caused, engine oil loss is caused, abrasion of internal parts of an engine can be aggravated, and engine faults are caused. The seal ring is generally adopted in the industry as a core seal piece of an oil level gauge guide pipe and an oil pan, the seal ring of the existing oil level gauge guide pipe is mostly a standard annular rubber piece, the seal ring is required to be directly and firmly inserted into an oil pan opening in an installation mode, the actual contact area of the seal ring and the oil pan opening is small and is similar to line contact, the seal effect is limited, the seal ring and the inner wall of the opening are prone to aging and shrinkage due to vibration during engine operation, especially under high-temperature working conditions, the seal ring is prone to aging and shrinkage, leakage is further aggravated, the seal requirements of the engine under long-term high-frequency vibration and high-temperature environments cannot be met, oil leakage is often caused, the section size of the seal ring is increased due to the fact that the seal ring is further improved in part of improvement scheme, and contradiction between sealing performance and installation convenience is formed. Disclosure of Invention The invention aims to provide an oil rule guide pipe and forming equipment thereof, which are used for solving the technical problem that the traditional oil rule guide pipe is difficult to consider sealing performance and mounting convenience. The technical scheme includes that the oil level gauge guide pipe comprises an oil level gauge guide pipe body, an installation pipe and a sealing ring, wherein the installation pipe is fixedly arranged at the head end of the oil level gauge guide pipe body, a threaded groove is formed in the tail surface of the installation pipe, nuts are connected to the threaded groove in a threaded mode, a plurality of sliding strips are uniformly and fixedly arranged on the surface of the head of the installation pipe, a sleeve is sleeved on the installation pipe, a plurality of sliding grooves are formed in the inner edge surface of the sleeve, the sliding grooves are in sliding connection with the sliding strips, a ring block is arranged at the tail end of the sleeve, a guide chamfer is formed at the head end of the sleeve, a positioning ring is arranged at the end of the installation pipe, a ring cavity in insertion fit with the sleeve is formed at the tail end of the positioning ring, the sealing ring is sleeved on the installation pipe and in movable fit with the sleeve, four axial grooves are formed in a square structure, support rods are fixedly arranged on the axial grooves, the sealing ring is in a flower structure, a plurality of grooves are formed in two sides of the support rod surface in a linear equidistant structure, and the axial grooves are matched with the support rods in shape. According to the invention, the sealing performance is improved by arranging the contact area between the sealing ring and the oil pan opening, and because the sealing ring is difficult to insert into the oil pan opening, the sealing ring is positioned at the head end of the positioning ring in an initial state by virtue of the structural design of the mounting pipe, the positioning ring and the sealing ring are inserted into the oil pan opening, the nut is rotated by a spanner, so that the nut moves relative to the thread groove, the mounting pipe is pushed to insert into the sealing ring, in order to prevent the sealing ring from axially folding, the support rod is utilized to provide axial support for the sealing ring, and when the mounting pipe is completely inserted into the sealing ring, the sealing ring is propped up and is in close contact with the oil pan opening; the design sealing ring is flower-shaped structure for the sealing ring periphery under initial condition is less than the holding ring periphery, and the holding ring and sealing ring insert the oil pan trompil of being convenient for, and the sealing ring is annular structure when propping in the sleeve pipe, and this design has increased the circumference length of sealing ring, reduces the deformatio