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CN-224209851-U - Sleeve connector with constant torque force

CN224209851UCN 224209851 UCN224209851 UCN 224209851UCN-224209851-U

Abstract

The utility model discloses a sleeve connector with constant torque, which comprises a driving mechanism, a driven mechanism and a torque limiting mechanism, wherein the driving mechanism comprises a shell and a driving ratchet wheel, the driving ratchet wheel is arranged at the bottom of the shell, the driven mechanism comprises a driven shaft which is rotatably arranged in the shell, a driven ratchet wheel is fixedly arranged on the shaft wall of the driven shaft, the driven ratchet wheel is meshed with the driving ratchet wheel, a square shaft is fixedly arranged at the lower end of the driven shaft, and an anti-falling clamping ring, an anti-falling steel ball and an anti-falling spring are arranged on the shaft wall of the square shaft. The sleeve connector with high precision and stability, standardization and compliance, simple and durable structure, convenient and efficient operation, good safety advantage and high cost effectiveness and constant torque force solves the problems that the traditional torque wrench is easy to generate errors due to insufficient precision, long in adjustment time due to low efficiency, easy to be interfered by human factors and easy to damage.

Inventors

  • LI YONGXIANG
  • Chu Xinhao
  • ZHANG YUNAN
  • LIU MEIRU
  • LIU JUANJUAN

Assignees

  • 南京金陵高等职业技术学校

Dates

Publication Date
20260508
Application Date
20250613

Claims (6)

  1. 1. The utility model provides a sleeve connector of definite value torsion, includes driving mechanism (1), driven mechanism (2) and moment of torsion limiting mechanism (3), its characterized in that: The driving mechanism (1) comprises a shell (11) and a driving ratchet wheel (12), wherein the driving ratchet wheel (12) is arranged at the bottom of the shell (11); The driven mechanism (2) comprises a driven shaft (21) which is rotatably arranged in the shell (11), a driven ratchet wheel (22) is fixedly arranged on the shaft wall of the driven shaft (21), the driven ratchet wheel (22) is meshed with the driving ratchet wheel (12), a square shaft (23) is fixedly arranged at the lower end of the driven shaft (21), and an anti-falling clamping ring (24), an anti-falling steel ball (25) and an anti-falling spring (26) are arranged on the shaft wall of the square shaft (23); The torque limiting mechanism (3) comprises a diaphragm spring set (31), an adjusting nut (32) and a locking nut (33), wherein the diaphragm spring set (31) is sleeved on the shaft wall of the driven shaft (21), the diaphragm spring set (31) is located above the driven ratchet wheel (22), threads are arranged at the upper end of the driven shaft (21), and the adjusting nut (32) and the locking nut (33) are both in threaded connection with the upper end of the driven shaft (21) and lock the diaphragm spring set (31).
  2. 2. The constant torsion sleeve connector according to claim 1, wherein a regular octagonal hole (13) is formed in the bottom of the housing (11), regular octagonal bosses matched with the regular octagonal hole (13) are formed on the side wall of the driving ratchet wheel (12), and a spring retainer ring (14) for fixing the driving ratchet wheel (12) is arranged at the bottom of the housing (11).
  3. 3. The sleeve connector with constant torsion according to claim 1, wherein a mounting groove (27) is formed in the shaft wall of the square shaft (23), the anti-falling spring (26) is fixedly arranged in the mounting groove (27), the anti-falling steel ball (25) is located in the mounting groove (27), the side wall of the anti-falling steel ball (25) is fixedly connected with one end of the anti-falling spring (26), and the anti-falling clamping ring (24) is arranged at the opening of the mounting groove (27) and clamps the anti-falling steel ball (25).
  4. 4. The constant torsion socket connector according to claim 1, wherein the housing (11) is a cylindrical shell having an outer diameter of 23mm and a height of 61 mm.
  5. 5. The constant torsion socket connector according to claim 1, wherein the upper portion of the driving ratchet (12) is 16 ratchet teeth of 1 to 3, the lower portion of the driven ratchet (22) is 16 ratchet teeth of 1 to 3, and a square through hole matched with the square shaft (23) is formed in the driven ratchet (22).
  6. 6. The constant torsion socket connector according to claim 1, wherein the lower end of the square shaft (23) is connected with the socket through the anti-drop steel ball (25).

Description

Sleeve connector with constant torque force Technical Field The utility model relates to the technical field of hardware tool products and accessory manufacturing, in particular to a sleeve connector with constant torque force. Background In the process of automobile maintenance, the traditional torque wrench has the following defects: The pointer type torque wrench has the advantages of low reading precision, large error, high lazy operation, poor environmental adaptability and limited mechanical structure; The adjustable torque wrench has high risk of misoperation, needs to be calibrated regularly, has poor operation convenience and insufficient structure complexity and durability; The pneumatic spanner and the electric spanner have low torque control precision, low maintenance complexity and cost, high operation safety risk, high system dependence and high maintenance cost. For this purpose, a sleeve connector with constant torque is proposed. Disclosure of utility model In view of the shortcomings of the prior art, the present utility model aims to provide a sleeve connector with constant torque force, which is used for solving the problems mentioned in the background art. In order to solve the technical problems, the utility model provides the following technical scheme. The utility model provides a sleeve connector with constant torque force, which comprises a driving mechanism, a driven mechanism and a torque limiting mechanism, wherein the driving mechanism comprises a shell and a driving ratchet wheel, and the driving ratchet wheel is arranged at the bottom of the shell; The driven mechanism comprises a driven shaft which is rotatably arranged in the shell, a driven ratchet wheel is fixedly arranged on the shaft wall of the driven shaft, the driven ratchet wheel is meshed with the driving ratchet wheel, a square shaft is fixedly arranged at the lower end of the driven shaft, and an anti-falling clamping ring, an anti-falling steel ball and an anti-falling spring are arranged on the shaft wall of the square shaft; The torque limiting mechanism comprises a diaphragm spring set, an adjusting nut and a locking nut, wherein the diaphragm spring set is sleeved on the shaft wall of the driven shaft, the diaphragm spring set is located above the driven ratchet wheel, threads are arranged at the upper end of the driven shaft, and the adjusting nut and the locking nut are connected with the upper end of the driven shaft in a threaded mode and lock the diaphragm spring set. Preferably, the bottom of the shell is provided with a regular octagon hole, the side wall of the driving ratchet wheel is provided with a regular octagon boss matched with the regular octagon hole, and the bottom of the shell is provided with a spring retainer ring for fixing the driving ratchet wheel. Preferably, the shaft wall of the square shaft is provided with a mounting groove, the anti-falling spring is fixedly arranged in the mounting groove, the anti-falling steel ball is positioned in the mounting groove, the side wall of the anti-falling steel ball is fixedly connected with one end of the anti-falling spring, and the anti-falling clamping ring is arranged at the opening of the mounting groove and clamps the anti-falling steel ball. Preferably, the shell adopts a cylindrical shell with an outer diameter of 23mm and a height of 61 mm. Preferably, the upper part of the driving ratchet wheel is 16 ratchets with the ratio of 1 to 3, the lower part of the driven ratchet wheel is 16 ratchets with the ratio of 1 to 3, and square through holes matched with the square shafts are formed in the driven ratchet wheel. Preferably, the lower end of the square shaft is connected with the sleeve through the anti-falling steel ball. Compared with the prior art, the utility model has the following beneficial effects: Through initiative ratchet and driven ratchet meshing transmission moment of torsion, realize unidirectional transmission when torsion is less than the static friction power that ratchet meshing produced, overrun idle when being greater than avoids leading to the risk of overranging because of operator's experience and dynamics influence, guarantees application of force stable control, prevents that the part from damaging, need not to rely on operating personnel's experience and dynamics control, reduces the human factor interference, simple operation is high-efficient. Drawings FIG. 1 is a schematic perspective view of the present utility model; FIG. 2 is a schematic perspective view of the present utility model in a broken away; FIG. 3 is a schematic perspective view of a portion of the housing of the present utility model; FIG. 4 is a schematic perspective view of the driven shaft and tetragonal shaft of the present utility model; Fig. 5 is a schematic view of a partially cut-away perspective structure of a square shaft according to the present utility model. In the figure, 1, a driving mechanism, 11, a shell, 12, a driving ratchet