CN212471343U

CN212471343U - Elastically telescopic torque gun

Info

Publication number: CN212471343U
Application number: CN202021047872.0U
Authority: CN
Inventors: 杨永涛; 陈永飞
Original assignee: Hengdian Group Innuovo Electric Co Ltd
Current assignee: Hengdian Group Innuovo Electric Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-05
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to an elastically telescopic torque gun, which comprises a connecting shaft for connecting a use tool and a connecting sleeve sleeved on the connecting shaft, wherein the connecting shaft can elastically stretch and move along the axial direction in the connecting sleeve, and the connecting shaft can circumferentially rotate along the axial line in the connecting sleeve; through the arrangement of the connecting shaft and the connecting sleeve, when the torque gun moves towards a workpiece, the torque gun can be buffered to a certain extent through elastic telescopic movement of the connecting shaft, the excessive impact force of the torque gun is effectively avoided, the integrity of the workpiece is guaranteed, and the connecting shaft can rotate circumferentially to ensure the normal operation of the device. The utility model has the characteristics of the impact force is less etc.

Description

Elastically telescopic torque gun

Technical Field

The utility model belongs to a torque gun, concretely relates to but elastic expansion's torque gun.

Background

When using the torque gun, generally need control the torque gun and move towards the work piece, when adopting the cylinder control torque gun to remove, if the drive power of cylinder is too big, the impact force of production can be great to can crush the work piece, influence assembly quality and efficiency.

Disclosure of Invention

An object of the utility model is to provide a but elastic stretching's torque gun has solved the too big scheduling problem of impact force that prior art exists.

The above technical purpose of the present invention is mainly solved by the following technical solutions: an elastically telescopic torque gun comprises a connecting shaft for connecting a tool and a connecting sleeve sleeved on the connecting shaft, wherein the connecting shaft can elastically stretch and move in the connecting sleeve along the axial direction, and can circumferentially rotate along the axial line in the connecting sleeve; through the arrangement of the connecting shaft and the connecting sleeve, when the torque gun moves towards a workpiece, the torque gun can be buffered to a certain extent through elastic telescopic movement of the connecting shaft, the excessive impact force of the torque gun is effectively avoided, the integrity of the workpiece is guaranteed, and the connecting shaft can rotate circumferentially to ensure the normal operation of the device.

Preferably, the bottom end of the inner wall of the connecting sleeve is provided with an annular inner bulge abutted against the connecting shaft, and the top end of the outer wall of the connecting shaft is provided with an annular outer bulge abutted against the connecting sleeve; through the arrangement of the inner bulge and the outer bulge of the ring, when the connecting shaft moves in the connecting sleeve, the connecting shaft can be prevented from being separated from the connecting sleeve, and the stability of the structure is ensured.

Preferably, an oil-free bushing is arranged between the annular outer bulge and the annular inner bulge; the oil-free bushing increases the lubricating property and ensures smooth and stable rotation and telescopic movement of the connecting shaft.

A sliding shaft in sliding connection with the connecting shaft is arranged in the connecting sleeve, a sliding groove for accommodating the sliding shaft is formed in the connecting shaft, and the sliding groove is of a polygonal structure; through the arrangement of the sliding shaft and the sliding groove, the connecting shaft can keep vertical sliding, and meanwhile, the sliding shaft can drive the connecting shaft to rotate through the limitation of the sliding groove.

Preferably, the upper end of the sliding shaft is provided with a fixed sleeve, and a buffer spring is arranged between the fixed sleeve and the annular outer bulge; through the arrangement of the buffer spring, the connecting shaft has elastic potential energy when sliding, so that buffer force is provided, and impact force on a workpiece is reduced.

Preferably, the upper end of the connecting sleeve is provided with a fixing part, the upper end of the fixing part is provided with a speed reducer, the upper end of the speed reducer is provided with a motor, the speed reducer and the motor are mutually linked, and the output shaft of the speed reducer extends downwards into the fixing sleeve and is connected with the fixing sleeve; through the setting of above-mentioned speed reducer and motor, can reduce the rotational speed of motor, guarantee the stability of torque gun during operation, avoid the wrench movement excessive.

Preferably, a first annular groove and a second annular groove are respectively formed in the outer wall of the fixed sleeve and the inner wall of the fixed part corresponding to one side of the outer wall of the fixed sleeve, a placing cavity is formed between the first annular groove and the second annular groove, a bearing is arranged in the placing cavity, and a bearing pressing plate is arranged above the placing cavity; through the setting of above-mentioned bearing, can guarantee that fixed cover is stable in the same direction as smooth rotation, and the setting of bearing clamp plate can avoid the bearing to break away from and place the chamber.

Therefore, the utility model has the characteristics of the impact force is less etc.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a perspective sectional view of fig. 1.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1-2, an elastically telescopic torque gun includes a connecting shaft 1 for connecting a tool and a connecting sleeve 2 sleeved on the connecting shaft 1, the connecting shaft 1 can elastically and telescopically move in the connecting sleeve 2 along an axial direction, and the connecting shaft 1 can circumferentially rotate in the connecting sleeve 2 along an axial line, so that when the torque gun moves towards a workpiece, the torque gun can obtain a certain buffer through the elastic telescopic movement of the connecting shaft, thereby effectively avoiding an overlarge impact force of the torque gun, ensuring the integrity of the workpiece, and ensuring the normal operation of the device through the circumferential rotatable arrangement of the connecting shaft; the upper end of the connecting sleeve 2 is provided with a fixing part 24, the upper end of the fixing part 24 is provided with a speed reducer 3, the upper end of the speed reducer 3 is provided with a motor 4, the speed reducer 3 and the motor 4 are mutually linked, the output shaft of the speed reducer 3 extends downwards into the fixing sleeve 231 and is connected with the fixing sleeve 231, and through the arrangement of the speed reducer and the motor, the rotating speed of the motor can be reduced, the stability of the torque gun during working is ensured, and excessive twisting is avoided; be equipped with first ring channel 232 and second ring channel 241 on the outer wall of fixed cover 231 and the inner wall that corresponds to the fixed part 24 of fixed cover 231 outer wall one side respectively, be formed with between first ring channel 232 and the second ring channel 241 and place chamber 242, place and be equipped with bearing 243 in the chamber 242, the top of placing chamber 242 is equipped with bearing clamp plate 244, through the setting of above-mentioned bearing, can guarantee the stable smooth rotation in the same direction as of fixed cover, and bearing clamp plate's setting can avoid the bearing to break away from and place the chamber.

The torque gun in the embodiment is used on equipment needing screwing work, the screwing work is realized through circumferential rotation of the connecting shaft, the torque gun moves towards a workpiece to perform the screwing work through pushing of the external cylinder, and the buffer of the torque gun during movement is realized through elastic movement of the connecting shaft in the connecting sleeve; before the screwing work, the motor is started, the fixed sleeve and the sliding shaft are driven to rotate through the transmission of the speed reducer, the sliding shaft drives the connecting shaft to rotate, and the connecting shaft screws the workpiece.

As shown in fig. 2, the bottom end of the inner wall of the connecting sleeve 2 is provided with an annular inner protrusion 21 abutted against the connecting shaft 1, the top end of the outer wall of the connecting shaft 1 is provided with an annular outer protrusion 11 abutted against the connecting sleeve 2, and the arrangement of the annular inner protrusion and the annular outer protrusion can prevent the connecting shaft from separating from the connecting sleeve when the connecting shaft moves in the connecting sleeve, thereby ensuring the stability of the structure; an oilless bushing 22 is arranged between the annular outer bulge 11 and the annular inner bulge 21, and the oilless bushing increases the lubricating property and ensures smooth and stable rotation and telescopic movement of the connecting shaft; a sliding shaft 23 which is in sliding connection with the connecting shaft 1 is arranged in the connecting sleeve 2, a sliding groove 12 for accommodating the sliding shaft 23 is formed in the connecting shaft 1, the sliding groove 12 is of a polygonal structure, the connecting shaft can keep vertical sliding through the arrangement of the sliding shaft and the sliding groove, and meanwhile, the sliding shaft can drive the connecting shaft to rotate through the limitation of the sliding groove; the upper end of sliding shaft 23 is equipped with fixed cover 231, is equipped with buffer spring 13 between fixed cover 231 and the outer arch 11 of annular, through buffer spring's setting for the connecting axle has elastic potential energy when sliding, so that provides the cushion effect, reduces the impact force to the work piece. In the process that the torque gun moves towards the workpiece until the torque gun contacts the workpiece, the oilless bushing keeps lubricating, the connecting shaft moves in the connecting sleeve in a telescopic mode, and the buffer spring moves in a telescopic mode to achieve the buffer effect.

Claims

1. An elastically telescopic torque gun, characterized in that: including connecting axle (1) and the adapter sleeve (2) of locating on connecting axle (1) that is used for connecting the use instrument, elastic flexible removal can be made along the axial in adapter sleeve (2) in connecting axle (1), just circumferential direction can be made along the axis in adapter sleeve (2) in connecting axle (1).

2. The elastically retractable torque gun according to claim 1, wherein: the inner wall bottom of adapter sleeve (2) is equipped with in the annular arch (21) with connecting axle (1) butt, the outer wall top of connecting axle (1) is equipped with annular outer arch (11) with adapter sleeve (2) butt.

3. The elastically retractable torque gun according to claim 2, wherein: an oilless bushing (22) is arranged between the annular outer bulge (11) and the annular inner bulge (21).

4. An elastically telescopic torque gun according to claim 1, 2 or 3, wherein: the connecting sleeve (2) is internally provided with a sliding shaft (23) which is connected with the connecting shaft (1) in a sliding manner, the connecting shaft (1) is provided with a sliding groove (12) for accommodating the sliding shaft (23), and the sliding groove (12) is of a polygonal structure.

5. The elastically retractable torque gun according to claim 4, wherein: the upper end of the sliding shaft (23) is provided with a fixed sleeve (231), and a buffer spring (13) is arranged between the fixed sleeve (231) and the annular outer bulge (11).

6. The elastically retractable torque gun according to claim 1, wherein: the upper end of adapter sleeve (2) is equipped with fixed part (24), the upper end of fixed part (24) is equipped with speed reducer (3), the upper end of speed reducer (3) is equipped with motor (4), link each other between speed reducer (3) and motor (4), the output shaft downwardly extending of speed reducer (3) just is connected with fixed cover (231) in fixed cover (231).

7. The elastically retractable torque gun according to claim 6, wherein: be equipped with first ring channel (232) and second ring channel (241) on the outer wall of fixed cover (231) and the inner wall of fixed part (24) corresponding to fixed cover (231) outer wall one side respectively, be formed with between first ring channel (232) and second ring channel (241) and place chamber (242), it is equipped with bearing (243) in chamber (242) to place, the top of placing chamber (242) is equipped with bearing clamp plate (244).