CN215748891U

CN215748891U - Internal-stop external-moving type tool sleeve for assembling and disassembling

Info

Publication number: CN215748891U
Application number: CN202121799667.4U
Authority: CN
Inventors: 彭正华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-08
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses an inner stop and outer movement type tool sleeve for assembling and disassembling, which comprises a sleeve and an inner stop component, wherein the sleeve comprises a driving groove arranged along the axial direction of the sleeve, the driving groove is arranged at one end of the sleeve, the other end of the sleeve is provided with a first mounting groove, the first mounting groove is arranged along the axial direction of the sleeve, the driving groove is communicated with the first mounting groove, the inner stop component is arranged in the first mounting groove through a bearing, and the inner stop component is coaxial with the sleeve. The utility model provides an inner stop and outer moving type tool sleeve for assembling and disassembling, which has wide application range, various combined modes, reduced cost and improved efficiency.

Description

Internal-stop external-moving type tool sleeve for assembling and disassembling

Technical Field

The utility model relates to the field of mounting tools, in particular to an internal stop external movement type tool sleeve for assembling and disassembling.

Background

During the assembly process of machinery and other equipment, the electric tools or the pneumatic tools are used in large quantities according to different requirements for assembly production. Among them, the electric tool is a tool that drives a motor by electric power to realize functional movement, and is classified into a metal cutting electric tool, a grinding electric tool, an assembly electric tool, and a railway electric tool. The pneumatic tool is a tool which utilizes compressed air to drive a pneumatic motor to work for outputting kinetic energy. Both electric tools and pneumatic tools need to be matched with driving heads of various types so as to be suitable for different working occasions.

In the field of automobile assembly, more specifically: the transverse stabilizing connecting rod is fastened with the shock absorption and upper moment. Special installation tools are required in the existing assembly requirements: namely an electric pneumatic tool with a special head with internal stop and external movement is assembled. The assembled torsion force and the type of the inner stop screwdriver head are different due to different vehicle types, and the inner stop outer moving special head with a specific specification needs to be customized. The existing tools are integrated, namely a fixed-torque electric tool, a pneumatic tool and an internal stop external moving head are customized as a whole, and can not be detached and replaced at will and other specifications can not be realized, and the internal stop external moving screwing tool is high in price and long in delivery period, and is troublesome to maintain after being damaged, so that the market urgently needs an internal stop external moving type assembling and disassembling tool sleeve which can be detached and replaced quickly and simply.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide an inner stop and outer moving type tool sleeve for assembling and disassembling, which has wide application range, various combination modes, reduced cost and improved efficiency.

According to one aspect of the utility model, the inner stop and outer movement type tool sleeve comprises a sleeve and an inner stop component, wherein the sleeve comprises a driving groove arranged along the axial direction of the sleeve, the driving groove is arranged at one end of the sleeve, the other end of the sleeve is provided with a first mounting groove, the first mounting groove is arranged along the axial direction of the sleeve, the driving groove is communicated with the first mounting groove, the inner stop component is arranged in the first mounting groove through a bearing, and the inner stop component is coaxial with the sleeve.

In some embodiments, the inner stop assembly includes a spline shaft, a spline housing, a spring and a screwdriver head, one end of the spline shaft is connected with the first mounting groove through a bearing, the spline housing is sleeved at the other end of the spline shaft and can move along the spline shaft, one end of the spline shaft close to the spline housing is provided with a second mounting groove, the second mounting groove is arranged along the axial direction of the spline shaft, one end of the spline housing close to the spline shaft is provided with a third mounting groove, the third mounting groove is arranged along the axial direction of the spline shaft, the spring is arranged in the second mounting groove and the third mounting groove, one end of the spline housing far away from the spline shaft is provided with a fourth mounting groove, the fourth mounting groove is arranged along the axial direction of the spline shaft, and the screwdriver head is detachably mounted in the fourth mounting groove through a fastener.

In some embodiments, the clamping piece comprises a clamping groove arranged on the inner wall of the fourth mounting groove and a steel wire retainer ring arranged on the outer wall of the screwdriver head.

In some embodiments, the spline shaft is provided with a retainer ring to limit the position of the bearing, and the bearing is a one-way needle bearing.

In some embodiments, the outer wall of the sleeve is provided with a first mounting hole, the first mounting hole is arranged along the radial direction of the sleeve, the spline shaft is provided with a first limiting block and a second limiting block, the spline housing is provided with a plunger, and the plunger is located between the first limiting block and the second limiting block.

In some embodiments, the sleeve outer wall is provided with an annular groove disposed at an end of the sleeve adjacent to the first mounting groove.

The utility model discloses an internal-stop external-moving type tool sleeve for assembling and disassembling, which is characterized in that the fastening of a central nut fixed with an external nut is realized by utilizing a sleeve and an internal-stop component, a driving groove is connected with a pneumatic tool with fixed torsion, the pneumatic tool with fixed torsion is connected with the driving groove and is matched with the driving sleeve to rotate, and the internal-stop component is abutted against the central nut to be not rotated, so that the sleeve is replaced to adapt to the assembly production with different requirements; the detachable screwdriver head is convenient for fixing the internal nuts suitable for different specifications; the unidirectional needle bearing is used for ensuring that the internal screwdriver head does not rotate when the sleeve rotates externally.

Drawings

FIG. 1 is a schematic view of the construction of an internal stop external motion tool socket of the present invention;

FIG. 2 is a top view of the internal stop external motion tool sleeve of the present invention;

FIG. 3 is a bottom view of the inner stop and outer drive tool sleeve of the present invention;

FIG. 4 is a cross-sectional view of the internal stop external motion tool sleeve of the present invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that equivalent changes or substitutions in function, method or structure according to the embodiments are included in the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

As shown in fig. 1, the tool sleeve with the inner stop and the outer movement comprises a sleeve 1 and an inner stop component 2, wherein the sleeve 1 comprises a driving groove 11 arranged along the axial direction of the sleeve 1, the driving groove 11 is arranged at one end of the sleeve 1, the other end of the sleeve 1 is provided with a first mounting groove 12, the first mounting groove 12 is arranged along the axial direction of the sleeve 1, the driving groove 11 is communicated with the first mounting groove 12, the inner stop component 2 is arranged in the first mounting groove 12 through a bearing 25, and the inner stop component 2 is coaxial with the sleeve 1. The sleeve 1 and the inner stop component 2 are used for fastening the fixed outer nut of the central nut, the driving groove 11 is used for connecting a pneumatic tool with fixed torque, the pneumatic tool with fixed torque is connected with the driving groove 11 and is matched with the driving sleeve 1 to rotate, and the inner stop component 2 abuts against the central nut to be not rotated, so that the sleeve 1 is replaced to adapt to assembly production with different requirements; the detachable screwdriver head 24 is convenient for fixing the internal nuts suitable for different specifications; the use of the one-way needle bearing 25 facilitates ensuring that the inner driver head 24 does not rotate when the sleeve 1 is rotated externally.

As shown in fig. 2, the driving groove 11 is formed in the center of the top of the sleeve 1, the driving groove 11 is a square groove for matching with the driving end of the pneumatic tool with a fixed torque force, and if the driving end has other shapes, the shape of the driving groove 11 is designed to match with the shape of the driving groove, so as to be suitable for different pneumatic tools.

As shown in fig. 3, since the left front cross stable connecting rod needs to be fastened with the front shock absorber and the upper moment, that is, a hole is formed in the center of a larger bolt, a small bolt is installed in the center hole to connect other components, the small bolt which needs to keep the center is not rotated during machining, and an outer larger nut needs to be rotated for fastening, the screwdriver head 24 needs to be arranged at the center of the bottom of the sleeve 1. The end of the first mounting groove 12 away from the driving groove is regular hexagonal to adapt to the shape of the outer nut.

As shown in fig. 4, the inner stop assembly 2 includes a spline shaft 21, a spline housing 22, a spring 23 and a driver head 24, one end of the spline shaft 21 is connected to the first mounting groove 12 through a bearing 25, the spline housing 22 is sleeved on the other end of the spline shaft 21 and can move along the spline shaft 21, one end of the spline shaft 21 close to the spline housing 22 is provided with a second mounting groove 26, the second mounting groove 26 is arranged along the axial direction of the spline shaft 21, one end of the spline housing 22 close to the spline shaft 21 is provided with a third mounting groove 27, the third mounting groove 27 is arranged along the axial direction of the spline shaft 21, the spring 23 is arranged in the second mounting groove 26 and the third mounting groove 27, one end of the spline housing 22 away from the spline shaft 21 is provided with a fourth mounting groove 28, the fourth mounting groove 28 is arranged along the axial direction of the spline shaft 21, and the driver head 24 is detachably mounted in the fourth mounting groove 28 through a fastener 29. The screwdriver head 24 which is detachably arranged is convenient for fixing the internal nuts which are suitable for different specifications; the use of the one-way needle bearing 25 facilitates ensuring that the inner driver head 24 does not rotate when the sleeve 1 is rotated externally.

In the use process, because the height of the central nut is different from that of the outer nut, the bottom of the sleeve 1 is required to completely cover the outer nut in order to ensure the fastening effect of the outer nut when the outer nut is fastened by fixed torque, and then the height of the screwdriver head 24 is adjusted by the spring 23 so as to adapt to the height difference between the central nut and the outer nut. When the nut is used specifically, if the height difference exists between the central nut and the outer nut, firstly, the screwdriver head 24 can press only the central nut, the sleeve 1 is continuously pushed until the bottom of the sleeve 1 completely covers the outer nut, meanwhile, the spline sleeve 22 compresses the spring 23, the spline sleeve 22 drives the screwdriver head 24 to move towards the spline shaft 21, and the spring 23 and the spline sleeve 22 are used for adapting to the central nut and the outer nut with different height differences.

The engaging member 29 includes a locking groove 291 formed in the inner wall of the fourth mounting groove 28 and a wire retainer 292 mounted on the outer wall of the driver bit 24. In the prior art, the nut has various specifications such as cross, inner hexagon, quincunx and the like, materials selected by various factories are different, the screwdriver head 24 is fixed by the steel wire retainer ring 292, the screwdriver head 24 can be detachably connected, different screwdriver heads 24 are selected according to different specifications of the central nut, the cost is saved, and the production efficiency is improved.

The bearing 25 is a one-way needle bearing 25. The use of the one-way needle bearing 25 facilitates ensuring that the inner driver head 24 does not rotate when the sleeve 1 is rotated externally. The one-way needle bearing 25 is also called a needle clutch and consists of a punched outer ring and a plastic retainer; the retainer can be provided with a plastic reed or a stainless steel reed for guiding the roller pin, and the inclined surface roller path and the roller pin on the outer ring are used as locking devices. The spline shaft 21 is provided with a retainer ring 210 to limit the position of the bearing 25.

The outer wall of sleeve 1 is equipped with first mounting hole 13, and first mounting hole 13 is equipped with first stopper 211 and second stopper 212 on the integral key shaft 21 along sleeve 1's radial setting, is equipped with plunger 213 on the spline housing 22, and plunger 213 is located between first stopper 211 and the second stopper 212. The spline housing 22 has a threaded bore therein, and the plunger 213 is mounted in the threaded bore. During specific installation, the bearing 25 and the spline shaft 21 are arranged in the first installation groove 12, the spring 23 is arranged in the second installation groove 26, the driver head 24 to be used is arranged in the fourth installation groove 28, the spline housing 22 is sleeved on the spline shaft 21, the spline housing 22 is pushed towards the spline shaft 21, the spline housing 22 is rotated until the threaded hole in the spline housing 22 is aligned with the first installation hole 13, the plunger 213 is installed in the threaded hole from the first installation hole 13, and the spline housing 22 can move along the spline shaft 21 and is limited between the first limiting block 211 and the second limiting block 212.

The outer wall of the sleeve 1 is provided with an annular groove 14, and the annular groove 14 is arranged at one end of the sleeve 1 close to the first mounting groove 12. The annular groove 14 is used for connecting with a pneumatic tool with constant torque.

The foregoing describes only some embodiments of the present invention and modifications and variations thereof will be apparent to those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. The tool sleeve is installed and removed to interior only external-acting formula, a serial communication port, including sleeve and interior only subassembly, the sleeve includes the driving groove that sets up along telescopic axial, the driving groove sets up in telescopic one end, the telescopic other end is equipped with first mounting groove, telescopic axial setting is followed to first mounting groove, the driving groove is in first mounting groove intercommunication, interior only subassembly passes through the bearing setting in first mounting groove, interior only subassembly is coaxial with the sleeve.

2. The tool sleeve is installed and removed to interior only external motion formula of claim 1, characterized in that, the interior only subassembly includes integral key shaft, spline housing, spring and screwdriver head, the one end of integral key shaft is passed through the bearing and is connected with first mounting groove, the spline housing cover is established at the other end of integral key shaft and can be followed the spline shaft and removed, the one end that the integral key shaft is close to the spline housing is equipped with the second mounting groove, the axial setting of integral key shaft is followed to the second mounting groove, the spline housing is close to the one end of integral key shaft and is equipped with the third mounting groove, the axial setting of integral key shaft is followed to the third mounting groove, the spring sets up in second mounting groove and third mounting groove, the one end that the integral key shaft was kept away from to the spline housing is equipped with the fourth mounting groove, the axial setting along the integral key shaft, the screwdriver head passes through fastener demountable installation in the fourth mounting groove.

3. The tool sleeve of claim 2, wherein the engaging member comprises a slot formed in the inner wall of the fourth mounting groove and a wire retainer ring mounted on the outer wall of the driver bit.

4. The tool socket of claim 3 wherein the spline shaft has a retainer ring to define the location of the bearing, the bearing being a one-way needle bearing.

5. The tool sleeve is installed and removed to interior only external moving formula of claim 2, characterized in that, the telescopic outer wall is equipped with first mounting hole, first mounting hole sets up along telescopic radial, be equipped with first stopper and second stopper on the integral key shaft, be equipped with the plunger on the spline housing, the plunger is located between first stopper and the second stopper.

6. The tool sleeve of any one of claims 1-5 wherein the sleeve outer wall defines an annular recess disposed at an end of the sleeve adjacent the first mounting groove.