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CN-224219887-U - Novel telescopic rod

CN224219887UCN 224219887 UCN224219887 UCN 224219887UCN-224219887-U

Abstract

The utility model discloses a novel telescopic rod, which comprises an inner pipe and an outer pipe, wherein a locking mechanism is arranged between the inner pipe and the outer pipe, the locking mechanism comprises a base body, a cavity is formed in the base body, a triggering piece is arranged in the cavity, the triggering piece is connected with a locking pin, the base body is provided with a through hole, the locking pin is driven by the triggering piece to stretch out and draw back in the through hole, the inner pipe is provided with radial holes, and the peripheral wall of the outer pipe is provided with a plurality of gear holes which are linearly distributed. The utility model has the advantages of simple structure, easy realization and good stability.

Inventors

  • YU ZENGJIE

Assignees

  • 山东伊家乐智能家居科技有限公司

Dates

Publication Date
20260512
Application Date
20250402

Claims (10)

  1. 1. The utility model provides a novel telescopic link, its characterized in that includes inner tube (1) and coaxial cover outer tube (2) of locating outside inner tube (1), be equipped with locking mechanical system between inner tube (1) and outer tube (2), locking mechanical system is including connecting in pedestal (3) of inner tube (1) tip, the inside cavity (4) that is formed with of pedestal (3), be equipped with the trigger in cavity (4), the trigger is connected with locking pin (5), cavity (4) communicating through-hole (6) have been seted up on pedestal (3) surface, locking pin (5) are through the drive of trigger and stretch out and draw back in through-hole (6), inner tube (1) have been seted up with through-hole (6) coaxial and radial hole (7) that supply locking pin (5) to pass through, a plurality of gear holes (8) that are sharp distribution have been seted up along the axial to outer tube (2) week wall, When the locking pin (5) is in an extension state, the locking pin (5) penetrates through the radial hole (7) and then stretches into the gear hole (8) to form positioning so as to lock the outer tube (2) and the inner tube (1), and when the locking pin (5) is in a contraction state, the outer tube (2) and the inner tube (1) are mutually unlocked, so that the outer tube (2) and the inner tube (1) can axially slide relatively.
  2. 2. The novel telescopic rod according to claim 1, wherein the trigger piece is connected with a traction rope (9), the traction rope (9) penetrates through the base body (3) and then extends along the axial direction of the inner tube (1) to serve as a force application end, and the trigger piece drives the locking pin (5) to perform telescopic action through force application on the force application end.
  3. 3. The novel telescopic rod according to claim 2, wherein the triggering piece comprises a first sliding block (10), a first elastic piece (11), a rotating arm (12) and a first guide post (13), a first sliding groove (14) is formed in the inner wall of the cavity (4), the first sliding block (10) is slidably connected to the first sliding groove (14), the locking pin (5) is connected to the first sliding block (10) and moves along with the first sliding block (10), the first elastic piece (11) is arranged between the first sliding block (10) and the inner wall of the cavity (4), one end of the rotating arm (12) is rotatably connected to the cavity (4) through a rotating shaft, the other end of the rotating arm (12) is used as a suspension end to contact the first sliding block (10), the first guide post (13) is arranged in the cavity (4) and is located below the rotating arm (12), one end of the traction rope (9) is connected to the rotating arm (12), the other end of the traction rope (9) bypasses the first guide post (13) and then passes through the rotating arm (12) to enable the first sliding arm (12) to rotate downwards through the first sliding piece (10) to overcome the elastic piece (10), at this time, the locking pin (5) is contracted, and the outer tube (2) and the inner tube (1) are unlocked from each other.
  4. 4. The novel telescopic rod according to claim 2, wherein the triggering piece comprises a second sliding block (15), a second elastic piece (16), an L-shaped swing arm (17) and a rotating shaft (18), a second sliding groove (19) is formed in the inner wall of the cavity (4), the second sliding block (15) is slidably connected with the second sliding groove (19), the locking pin (5) is connected with the second sliding block (15) and moves along with the second sliding block (15), the second elastic piece (16) is arranged between the second sliding block (15) and the inner wall of the cavity (4), one end of the L-shaped swing arm (17) extends to the joint of the locking pin (5) and the second sliding block (15) and is provided with a notch (20), one end of the L-shaped swing arm (17) is buckled with the locking pin (5) through the notch (20), the other end of the L-shaped swing arm (17) is connected with the traction rope (9), the L-shaped swing arm (17) is rotatably arranged in the cavity (4) through the rotating shaft (18), One end of the L-shaped swing arm (17) is pulled through pulling the traction rope (9), the L-shaped swing arm (17) rotates around the rotating shaft (18), the other end of the L-shaped swing arm (17) presses down the second sliding block (15) through rotation, the second sliding block (15) moves downwards against the elasticity of the second elastic piece (16), at the moment, the locking pin (5) is contracted, and the outer tube (2) and the inner tube (1) are mutually unlocked.
  5. 5. The novel telescopic rod according to claim 2, wherein the trigger piece comprises a third sliding block (21), a third elastic piece (22) and a positioning column (23), a third sliding groove (24) is formed in the inner wall of the cavity (4), the third sliding block (21) is slidably connected to the third sliding groove (24), the third sliding block (21) is provided with a groove body (25) which is obliquely arranged, the positioning column (23) is connected to the locking pin (5) and is inserted into the groove body (25) to form sliding connection, the third elastic piece (22) is located between the third sliding block (21) and the inner wall of the cavity (4), one end of the traction rope (9) is connected with the third sliding block (21), the third sliding block (21) overcomes the elastic force of the third elastic piece (22) to slide, the groove body (25) slides along with the third sliding block (21), the positioning column (23) is driven to move along the groove body (25), the positioning pin (23) is driven to move from the locking pin (5) to the locking pin (25), and the locking pin (23) is driven to move from the locking pin (5) to the unlocking point to the locking point.
  6. 6. The novel telescopic rod according to claim 2, wherein the triggering piece comprises a fourth sliding block (26), a fourth elastic piece (27), a positioning block (28) and a fifth elastic piece (29), a fourth sliding groove (30) and a fifth sliding groove (31) are formed in the inner wall of the cavity (4), the fourth sliding block (26) is slidably connected to the fourth sliding groove (30), a first oblique surface (32) is formed on the top surface of the fourth sliding block (26), the positioning block (28) is slidably connected to the fifth sliding groove (31), the sliding direction of the positioning block (28) is perpendicular to the sliding direction of the fourth sliding block (26), the locking pin (5) is connected to the positioning block (28), the positioning block (28) is provided with a second oblique surface (33), the second oblique surface (33) forms oblique sliding fit with the first oblique surface (32), the fourth elastic piece (27) is arranged between the fourth sliding block (26) and the inner wall of the cavity (4), the fifth elastic piece (29) is arranged between the fourth sliding block (26) and the inner wall of the cavity (4), the fourth sliding block (26) is pulled by the fourth sliding rope (9) and the fourth sliding rope (26) is pulled by the fourth sliding rope (9), the fourth sliding block (26) drives the positioning block (28) to move through oblique sliding, the positioning block (28) drives the locking pin (5) to move, and the positioning block (28) moves from a high point to a low point of the first oblique surface (32) so that the locking pin (5) is switched from an extending state to a contracting state, and at the moment, the outer tube (2) and the inner tube (1) are mutually unlocked.
  7. 7. The novel telescopic rod according to claim 2, wherein the triggering piece comprises a fifth sliding block (15 '), a sixth elastic piece (16 '), an L-shaped movable piece (17 ') and a second guiding column (18 '), a sixth sliding groove (19 ') is formed in the inner wall of the cavity (4), the fifth sliding block (15 ') is slidably connected to the sixth sliding groove (19 '), the locking pin (5) is connected to the fifth sliding block (15 ') and moves along with the fifth sliding block (15 '), the sixth elastic piece (16 ') is arranged between the fifth sliding block (15 ') and the inner wall of the cavity (4), one end of the L-shaped movable piece (17 ') extends to the connection position of the locking pin (5) and the fifth sliding block (15 ') and is provided with a notch (20 '), one end of the L-shaped movable piece (17 ') is buckled to the locking pin (5) through the notch (20 '), the other end of the L-shaped movable piece (17 ') is connected with the traction rope (9), the second guiding column (18 ') is arranged in the cavity (4) and is positioned at the connection position of the L-shaped movable piece (17 '), the second guiding column (17 ') can rotate around the second guiding column (18 '), One end of the L-shaped movable piece (17 ') is pulled by pulling the traction rope (9), the L-shaped movable piece (17 ') rotates around the second guide column (18 '), the other end of the L-shaped movable piece (17 ') presses down the fifth sliding block (15 ') through rotation, the fifth sliding block (15 ') moves downwards against the elastic force of the sixth elastic piece (16 '), at the moment, the locking pin (5) is contracted, and the outer tube (2) and the inner tube (1) are mutually unlocked.
  8. 8. The novel telescopic rod according to claim 1, wherein the base body (3) comprises a first end (3-1) and a second end (3-4), the outer diameter of the first end (3-1) is smaller than that of the second end (3-4), the inner tube (1) is sleeved at the first end (3-1), and the outer tube (2) is sleeved outside the second end (3-4) and the inner tube (1).
  9. 9. The novel telescopic rod according to claim 8, wherein the outer peripheral wall of the first end (3-1) is provided with symmetrically distributed grooves (3-2), the inner wall of the grooves (3-2) is extended with elastic deformation buckling blocks (3-3), the peripheral wall of the inner tube (1) is provided with clamping grooves (34), and after the inner tube (1) is sleeved with the first end (3-1), the buckling blocks (3-3) are buckled in the clamping grooves (34) to form limit positions, so that the first end (3-1) and the inner tube (1) are mutually fixed.
  10. 10. The novel telescopic rod according to claim 8, wherein the base body (3) is formed by splicing two blocks in radial direction in half, cavities are formed in the two blocks, the cavities of the two blocks are spliced to form a cavity (4), half holes are formed in the edges of the two blocks, and through holes (6) are formed in the two blocks after the half holes of the two blocks are spliced.

Description

Novel telescopic rod Technical Field The utility model relates to the technical field of telescopic rods, in particular to a novel telescopic rod. Background The manual telescopic rod has very wide application, such as a curtain rod, a door curtain rod and the like, the two rod-shaped parts are mutually sleeved and form relative sliding, a locking mechanism is arranged between the two rod-shaped parts, and the two rod-shaped parts are mutually telescopic or stretched and then locked through the locking mechanism, so that the telescopic rod can realize the telescopic function, and the locking structure of the telescopic rod on the market is complex at present, so that the manufacturing cost is increased, the weight is heavy, and the portability is insufficient. Disclosure of utility model The utility model aims to solve the defects of the technology and designs a novel telescopic rod. The utility model designs a novel telescopic rod, which comprises an inner pipe and an outer pipe coaxially sleeved outside the inner pipe, wherein a locking mechanism is arranged between the inner pipe and the outer pipe, the locking mechanism comprises a seat body connected with the end part of the inner pipe, a cavity is formed in the seat body, a triggering piece is arranged in the cavity, the triggering piece is connected with a locking pin, a through hole communicated with the cavity is formed in the surface of the seat body, the locking pin stretches and contracts in the through hole through the driving of the triggering piece, the inner pipe is provided with radial holes which are coaxial with the through hole and are used for the passage of the locking pin, a plurality of gear holes which are linearly distributed are formed in the peripheral wall of the outer pipe along the axial direction, When the locking pin is in a contracted state, the outer tube and the inner tube are mutually unlocked, so that the outer tube and the inner tube can axially slide relatively. Preferably, the trigger member is connected with a pulling rope, and the pulling rope extends along the axial direction of the inner tube after passing through the seat body to serve as a force application end, and the trigger member drives the locking pin to perform telescopic action by applying force to the force application end. Further preferably, the trigger piece includes first slider, first elastic component, rocking arm and first guide post, first spout has been seted up to the cavity inner wall, first slider sliding connection is in first spout, the locking pin is connected in first slider and moves along with first slider, first elastic component sets up between first slider and cavity inner wall, the one end of rocking arm is rotated through a pivot and is connected in the cavity, the other end of rocking arm is as the suspension end contact first slider, first guide post sets up in the cavity and is located the rocking arm below, the one end of haulage rope is connected in the rocking arm, the other end of haulage rope passes the pedestal behind the guide post and extends along the inner tube, through pulling haulage rope and drive rocking arm rotation, the suspension end of rocking arm is through rotating and pushing down first slider for first slider overcomes first elastic component elasticity and moves down, locking pin shrink this moment, outer tube and inner tube unblock each other. Further preferably, the triggering piece comprises a second sliding block, a second elastic piece, an L-shaped swing arm and a rotating shaft, wherein the inner wall of the cavity is provided with a second sliding groove, the second sliding block is connected with the second sliding groove in a sliding way, the locking pin is connected with the second sliding block and moves along with the second sliding block, the second elastic piece is arranged between the second sliding block and the inner wall of the cavity, one end of the L-shaped swing arm extends to the joint of the locking pin and the second sliding block and is provided with a notch, one end of the L-shaped swing arm is buckled on the locking pin through the notch, the other end of the L-shaped swing arm is connected with a traction rope, the L-shaped swing arm is rotationally arranged in the cavity through the rotating shaft, One end of the L-shaped swing arm is pulled through pulling the traction rope, the L-shaped swing arm rotates around the rotating shaft, the other end of the L-shaped swing arm presses down the second sliding block through rotation, the second sliding block overcomes the elasticity of the second elastic piece to move downwards, at the moment, the locking pin is contracted, and the outer pipe and the inner pipe are mutually unlocked. Further preferably, the trigger piece comprises a third sliding block, a third elastic piece and a positioning column, a third sliding groove is formed in the inner wall of the cavity, the third sliding block is slidably connected to the third sliding g