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CN-224209852-U - Adjustable torque wrench

CN224209852UCN 224209852 UCN224209852 UCN 224209852UCN-224209852-U

Abstract

The utility model provides an adjustable torque wrench, which belongs to the technical field of mechanical tools and aims to solve the problems that a torque value is set by a ratchet wheel, a ratchet wheel mechanism is easy to wear and the precision is reduced, and the number of rotation turns of a rotating ratchet wheel is excessive and laborious during setting, and the adjustable torque wrench comprises an inner leg, wherein the top of the inner leg is penetrated with a plate head, the middle section of the plate head is hinged with the top of the inner leg, an end body and a pushing column are arranged in the inner leg in a sliding manner, the end body is connected with the pushing column through a spring, the end body is matched with the plate head through a twisting mechanism, a transmission body is rotatably arranged at the bottom of the inner column, the top of the transmission body is arranged in the pushing column in a penetrating mode and is in threaded connection with the pushing column, a main shell is sleeved outside the inner column, a handle is sleeved on the main shell, at least two grooves are formed in the bottom of the main shell, an adjusting pin which is clamped in one of the grooves is arranged in the handle, a gear is coaxially connected to the bottom of the transmission body, and a tooth slot platform meshed with the gear is arranged in the handle.

Inventors

  • ZHANG YANQING
  • HU GUANGHUI

Assignees

  • 重庆飓格科技有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (7)

  1. 1. The adjustable torque wrench is characterized by comprising an inner leg (7), wherein a plate head (9) is arranged at the top of the inner leg (7) in a penetrating manner, a middle section of the plate head (9) is hinged to the top of the inner leg (7), an end body (8) and a pushing column (11) are arranged in the inner leg (7) in a sliding manner, the end body (8) is connected with the pushing column (11) through a spring (10), the end body (8) is matched with the plate head (9) through a twisting mechanism, a transmission body (4) is arranged at the bottom of the inner leg (7) in a rotating manner, the top of the transmission body (4) is arranged in the pushing column (11) in a penetrating manner and is in threaded connection with the pushing column (11), a main shell (6) is sleeved outside the inner leg (7), a handle (1) is arranged on the main shell (6) in a sleeved manner, at least two grooves (602) are formed in the bottom of the main shell (6), a tooth groove pin which is clamped in one groove (602) is formed, a coaxial gear (4) is connected with a gear (401) and a platform (401) is meshed with the handle (401).
  2. 2. The adjustable torque wrench of claim 1, wherein the twisting mechanism comprises a push roller (802) and a limiting pin (901), the top of the end body (8) is provided with a push cylinder (801), the top surface of the push cylinder (801) and the bottom surface of the plate head (9) are symmetrically inclined, the push cylinder (801) is rotationally provided with the push roller (802), the bottom of the plate head (9) is rotationally provided with the limiting pin (901), and the push roller (802) is in offside abutting joint with the limiting pin (901).
  3. 3. The adjustable torque wrench of claim 1, wherein a limiting rod is coaxially arranged at the bottom of the gear (401), a sealing seat (12) is sleeved on the limiting rod, and the diameter of the sealing seat (12) is larger than that of the gear (401).
  4. 4. The adjustable torque wrench of claim 1, wherein the adjusting pin comprises a hexagonal frame arranged on the top surface of the tooth socket platform (101), one corner of the hexagonal frame is provided with a protrusion (102), the protrusion (102) is clamped in a corresponding groove (602), and a limiting block (603) is arranged between an initial position arranged at the bottom of the main shell (6) and two grooves (602) at the maximum torque position.
  5. 5. The adjustable torque wrench of claim 1, wherein the main shell (6) is provided with a panel (5), an indication sleeve (601) is rotatably sleeved on the main shell (6), a toothed ring (604) is arranged on the indication sleeve (601), internal teeth (2) are arranged on the inner wall of the top of the handle (1), the internal teeth (2) are meshed with the toothed ring (604), and torque scale strips corresponding to the panel are arranged on the indication sleeve (601).
  6. 6. The adjustable torque wrench as claimed in claim 5, wherein the indication sleeve (601) is sleeved with a protection cover (3), the protection cover (3) is connected with the bottom of the panel (5) in a triangular clamping manner, and the protection cover (3) is made of transparent materials.
  7. 7. The adjustable torque wrench as claimed in claim 1, wherein the inner leg (7) is provided with a bolt hole (14), the side wall of the push column (11) is vertically provided with a clamping groove (13), and the bolt hole (14) is internally penetrated with a bolt and is clamped in the clamping groove (13).

Description

Adjustable torque wrench Technical Field The utility model belongs to the technical field of mechanical tools, and particularly relates to an adjustable torque wrench. Background The wrench is a common manual tool for mechanical assembly, maintenance and other functions of screws and nuts, and quantitative torque is required for some assembly and maintenance, so the torque wrench is designed in technical development, is a manual tool for accurately applying and controlling torque, and is widely applied to the fields of mechanical assembly, automobile maintenance, aerospace, industrial manufacturing and the like, so that the fasteners such as bolts and nuts can reach a specified fastening force, and potential safety hazards caused by overtightening or over loosening are avoided. The current torque wrench is divided into a mechanical pointer type, a preset type and a digital display type, the torque value of the torque wrench is set through a ratchet wheel, a ratchet wheel mechanism is easy to wear, the precision is reduced, and the number of rotation turns of the rotating ratchet wheel is excessive and laborious during setting. Accordingly, the present invention provides an adjustable torque wrench for achieving the purpose of having more practical value. Disclosure of utility model In order to solve the technical problems, the utility model provides an adjustable torque wrench, which solves the problems that a torque value is set by a torque wrench through a ratchet wheel, the ratchet wheel mechanism is easy to wear, the precision is reduced, and the number of rotation turns of the rotating ratchet wheel is excessive and laborious during setting. The utility model discloses a purpose and an effect of an adjustable torque wrench, which are achieved by the following specific technical means: The utility model provides an adjustable torque wrench, includes the inner leg, the plate head is worn to be equipped with at the inner leg top, the plate head middle section is articulated with the inner leg top, the inner leg is interior to be provided with the end body and push away the post, through spring coupling between the end body and the push away the post, through the cooperation of torsion mechanism between the end body and the plate head, the inner leg bottom rotates and is provided with the transmission body, the transmission body top wears to establish in pushing away the post to with push away post threaded connection, the inner leg overcoat is equipped with the main shell, the cover is equipped with the handle on the main shell, two at least recesses have been seted up to the main shell bottom, be provided with the regulation round pin of card in one of them recess in the handle, transmission body bottom coaxial coupling gear, be provided with the tooth's socket platform with gear engagement in the handle. Further, the twisting mechanism comprises a push roller and a limiting pin, the top of the end body is provided with a push cylinder, the top surface of the push cylinder and the bottom surface of the plate head are symmetrically inclined, the push roller is rotationally arranged in the push cylinder, the bottom of the plate head is rotationally provided with the limiting pin, and the push roller is in offside butt joint with the limiting pin. Furthermore, the gear bottom is provided with the gag lever post coaxially, the cover is equipped with the seat on the gag lever post, and seals the seat diameter and be greater than the gear diameter. Further, the adjusting pin comprises a hexagonal frame arranged on the top surface of the tooth socket platform, one corner of the hexagonal frame is provided with a protrusion, the protrusion is clamped in a corresponding groove, and a limiting block is arranged between the initial position arranged at the bottom of the main shell and the two grooves at the maximum torsion position. Further, a panel is arranged on the main shell, an indication sleeve is rotatably sleeved on the main shell, a toothed ring is arranged on the indication sleeve, internal teeth are arranged on the inner wall of the top of the handle and meshed with the toothed ring, and a torsion scale bar corresponding to the panel is arranged on the indication sleeve. Furthermore, the indication sleeve is sleeved with a protective cover, the protective cover is connected with the bottom of the panel in a triangular clamping manner, and the protective cover is made of transparent materials. Further, a bolt hole is formed in the inner leg, a clamping groove is vertically formed in the side wall of the pushing column, and a bolt is arranged in the bolt hole in a penetrating mode and is clamped in the clamping groove. Compared with the prior art, the utility model has the following beneficial effects: 1. The transmission body is driven to rotate through the rotating handle, the push column moves due to threaded connection with the top of the transmission body, the moving push column extrudes the spring to