A new type of auxiliary tightening device suitable for tightening gun

Abstract

This utility model discloses a novel auxiliary tightening device for tightening guns, comprising an input shaft, a quick-change sleeve, an upper end cover, an upper bearing assembly, an output shaft gear, a lower bearing assembly, a lower housing, auxiliary drive idler gears, and an input shaft gear. The input shaft is directly connected to the square interface of the tightening gun's output shaft. An input shaft gear is mounted on the input shaft, meshing with two auxiliary drive idler gears, which in turn mesh with the output shaft gear. A quick-change sleeve is mounted on the output shaft gear. The upper ends of the output shaft gear, auxiliary drive idler gears, and input shaft gear are connected to the upper end cover via an upper bearing assembly, and the lower ends of the output shaft gear, auxiliary drive idler gears, and input shaft gear are connected to the lower housing via a lower bearing assembly. By extending the tightening shaft's working point and changing its tightening shaft operation mode, bolt tightening operations in confined spaces can be achieved.

Description

Technical Field

[0001] This utility model relates to a new auxiliary tightening device for tightening guns used in narrow spaces. Background Technology

[0002] In the production and manufacturing process of control boxes for new energy vehicles, there are some narrow spaces in the control box where the tightening gun has no operating space and manual tightening tools are required. This results in low work efficiency, the risk of not tightening or missing tightening, and unstable tightening quality.

[0003] In summary, this utility model designs an auxiliary tightening device suitable for tightening guns. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a new auxiliary tightening device for tightening guns, which extends the working point of its tightening shaft and changes the working mode of its tightening shaft, thereby realizing the tightening operation of bolts in narrow spaces.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A novel auxiliary tightening device for a tightening gun includes an input shaft, a quick-change sleeve, an upper end cover, an upper bearing assembly, an output shaft gear, a lower bearing assembly, a lower housing, auxiliary drive idler teeth, and an input shaft gear. The input shaft is directly connected to the square interface of the tightening gun's output shaft. An input shaft gear is provided on the input shaft, which meshes with two auxiliary drive idler teeth. The auxiliary drive idler teeth mesh with the output shaft gear. A quick-change sleeve is installed on the output shaft gear. The upper ends of the output shaft gear, auxiliary drive idler teeth, and input shaft gear are connected to the upper end cover through an upper bearing assembly. The lower ends of the output shaft gear, auxiliary drive idler teeth, and input shaft gear are connected to the lower housing through a lower bearing assembly.

[0006] Preferably, the quick-change sleeve and the output shaft gear are connected by a spline.

[0007] Preferably, the lower housing is provided with a protruding positioning pin to prevent the main body from rotating left and right along with the tightening shaft of the tightening gun.

[0008] Preferably, the auxiliary drive idler teeth are symmetrically distributed on both sides of the input shaft gear to ensure smooth transmission and stable torque transmission.

[0009] The beneficial effects of this utility model are:

[0010] 1. Improve work efficiency: The tightening gun drives the auxiliary device, which realizes automated tightening and significantly improves work efficiency.

[0011] 2. Ensure tightening quality: Avoid the risk of loose or missed tightening that may occur with manual operation, and ensure the consistency of bolt tightening.

[0012] 3. Wide range of applications: It is especially suitable for bolt tightening operations in narrow spaces, solving the problem that traditional tightening guns cannot enter.

[0013] 4. Compact and reliable structure: The use of gear transmission and bearing support ensures the stability and durability of the device operation. Attached Figure Description

[0014] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments;

[0015] Figure 1 This is an exploded view of the present invention;

[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] Reference Figure 1-2 The specific embodiment adopts the following technical solution: A novel auxiliary tightening device suitable for tightening guns includes an input shaft 1, a quick-change sleeve 2, an upper end cover 3, an upper bearing assembly 4, an output shaft gear 5, a lower bearing assembly 6, a lower housing 7, an auxiliary drive idler gear 8, and an input shaft gear 9. The input shaft 1 is directly connected to the 3 / 8 square interface of the output shaft of the tightening gun 11. An input shaft gear 9 is provided on the input shaft 1. The input shaft gear 9 meshes with two auxiliary drive idler gears 8. The auxiliary drive idler gears 8 mesh with the output shaft gear 5. A quick-change sleeve 2 is installed on the output shaft gear 5. The upper ends of the output shaft gear 5, the auxiliary drive idler gear 8, and the input shaft gear 9 are connected to the upper end cover 3 through the upper bearing assembly 4. The lower ends of the output shaft gear 5, the auxiliary drive idler gear 8, and the input shaft gear 9 are connected to the lower housing 7 through the lower bearing assembly 6.

[0019] It is worth noting that the quick-change sleeve 2 and the output shaft gear 9 are connected by a spline.

[0020] In addition, the lower housing 7 is provided with a protruding positioning pin 10 to prevent the main body from rotating left and right along with the tightening shaft of the tightening gun.

[0021] The working principle of this specific embodiment is as follows: The input shaft 1 is directly connected to the 3 / 8 square interface of the tightening gun's output shaft, thereby directly obtaining the input torque and speed from the tightening gun. This drives the input shaft 1 and the input shaft gear, which in turn drives the two meshing auxiliary drive idler gears 8. The auxiliary drive idler gears 8 then drive the output shaft gear 5, on which a quick-change sleeve 2 is installed for the tightening operation. Two protruding positioning pins 10 on the lower housing 7 are used to prevent the main body from rotating left and right with the tightening shaft of the tightening gun. The quick-change sleeve is connected to the output shaft via a spline, which can withstand a large torque.

[0022] This specific embodiment presents a novel auxiliary tightening device for tightening guns, which solves the problems of low tightening efficiency and unstable quality of bolts in narrow spaces, and has broad application prospects.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of auxiliary tightening device suitable for use with a tightening gun, characterized in that, The device includes an input shaft (1), a quick-change sleeve (2), an upper end cover (3), an upper bearing assembly (4), an output shaft gear (5), a lower bearing assembly (6), a lower housing (7), an auxiliary drive idler gear (8), and an input shaft gear (9). The input shaft (1) is directly connected to the 3 / 8 square interface of the tightening gun output shaft. An input shaft gear (9) is provided on the input shaft (1). The input shaft gear (9) meshes with two auxiliary drive idler gears (8). The auxiliary drive idler gears (8) mesh with the output shaft gear (5). A quick-change sleeve (2) is installed on the output shaft gear (5). The upper ends of the output shaft gear (5), the auxiliary drive idler gear (8), and the input shaft gear (9) are connected to the upper end cover (3) through the upper bearing assembly (4), and the lower ends are connected to the lower housing (7) through the lower bearing assembly (6).

2. A new type of auxiliary tightening device suitable for tightening gun according to claim 1, characterized in that, The quick-change sleeve (2) and the output shaft gear (5) are connected by a spline.

3. A new type of auxiliary tightening device suitable for tightening gun as claimed in claim 1, wherein, The lower housing (7) is provided with a positioning pin (10) to prevent the main body from rotating left and right along with the tightening shaft of the tightening gun.

4. A new type of auxiliary tightening device suitable for tightening gun as claimed in claim 1 characterized in that, The auxiliary drive idler teeth (8) are symmetrically distributed on both sides of the input shaft gear (9) to ensure smooth transmission and stable torque transmission.

Images