TWM453562U - Sleeve - Google Patents

Description

Sleeve

This creation is about a sleeve, especially one that can be used in a narrow working space.

In general, the length of tools such as screwdrivers is fixed and it is difficult to apply to all working environments. For example, work spaces that are far away and cannot be reached by hand cannot be operated with tools of normal length, but if another length is made longer The tools are bound to cause waste of materials, too many tools and too many tools to cause heavy weight.

Therefore, there is a sleeve structure that can be connected to the tool head and the post by replacing the tool head and the post to meet the requirements of different working spaces, as described in patents TWM366448 and TWM253446, for quick insertion and removal. The function of positioning, such a joint usually has a sliding sleeve and a shaft which are relatively slipperable, and a positioning mechanism, and an elastic member is sleeved on the shaft to abut against the shaft and the sliding sleeve, so that the sliding sleeve has The positioning mechanism maintains the tendency of the positioning mechanism, and the positioning mechanism is disengaged by the sliding sliding sleeve, and the tool head can be inserted or disengaged from the shaft. When the tool head is inserted into the shaft, the sliding sleeve is released, so that the positioning mechanism can work the head. Positioning.

However, in this structure, the elastic member is located outside the shaft, and the sliding sleeve must be located outside the elastic member, so that the overall width of the sleeve is wide, which is difficult to be applied in a narrow space, and the elastic member is located on the shaft and the sliding sleeve. In the narrow space between them, the dimensional accuracy is high, too narrow to fit outside the shaft, and too wide to be accommodated in the sliding sleeve.

Furthermore, in order to provide the abutment of the elastic member, the outer circumference of the shaft is required to be milled into an annular groove for assembling a C-shaped buckle, and the annular groove causes the wall thickness of the shaft to be thinned, which affects the The output torque of the post, and the annular groove processing and C-shaped buckle will also increase the components of the post, which is not conducive to assembly and market competitiveness.

The main purpose of this creation is to provide a sleeve that can be reduced in width and used in a narrow working space.

In order to achieve the above object, the present invention provides a sleeve comprising a shaft, a sliding sleeve, an elastic member and a positioning bead.

One end of the shaft is formed with a concave tool pocket, and the bottom of the tool pocket is further coaxially recessed to form an elastic member receiving groove, and the shaft is further formed with a radial through hole, the sliding hole is located at the shaft The tool pocket is communicated with the elastic member receiving groove and the elastic member receiving groove. The shaft and the outer wall of the tool receiving groove are formed with a tapered hole, and the inner diameter of the tapered hole is toward the tool receiving groove. The direction is shrinking.

The sliding sleeve is coaxially sleeved on the outside of the shaft, and the sliding sleeve has an abutting top therein, and the abutting top is located in the sliding hole and can slide in the axial direction of the shaft in the sliding hole, so that the sliding sleeve The shaft can slide along a direction of the shaft relative to the shaft between a first position and a second position, and an inner wall of the sleeve is formed with a receiving groove.

The elastic member is received in the elastic member receiving groove to abut against the bottom of the elastic member receiving groove and the abutting top; the positioning bead is accommodated in the tapered hole, and the outer diameter of the positioning bead is larger than the gradually increasing The minimum inner diameter of the shrinkage cavity.

When the sliding sleeve is in the first position, the abutting top is located at one end of the sliding hole away from the elastic member receiving slot, and the positioning position of the receiving slot does not correspond to the tapered hole, and the positioning bead cannot enter the capacity. The slot is partially protruded from the tool pocket; when the sleeve is in the second position, the abutting top is located at the one end of the slide hole adjacent to the elastic member slot, and the position of the receiving slot corresponds to the The tapered hole can partially enter the receiving groove without protruding into the tool pocket.

With the above structure, the tool pocket can be inserted into a tool head and positioned to prevent detachment, and the elastic member is disposed in the shaft to further reduce the required width of the sliding sleeve, so that the sleeve provided by the present invention can be applied to a narrow sleeve. Workspace.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIG. 1 to FIG. 3 , the present invention provides a sleeve comprising a shaft 10 , a sliding sleeve 20 , an elastic member 30 and a positioning bead 40 .

The shaft 10 has a first end and a second end, wherein the first end is formed with a concave tool pocket 11. Preferably, the inner wall of the tool pocket 11 is hexagonal (or non-circular) The tool pocket can be made of other geometric shapes so that the inserted tool head does not rotate freely, and the bottom of the tool pocket 11 is further coaxially recessed to form a resilient member receptacle 12, the shaft The rod 10 is further formed with a radial through hole 13 which is located between the tool pocket 11 and the elastic member receptacle 12 to communicate with the elastic member receptacle 12. Preferably, the slide hole 13 The radial section extends along the axial direction of the shaft 10 to form a long hole state The shaft 10 and the outer wall of the tool pocket 11 are formed with a tapered hole 14 , and the inner diameter of the tapered hole 14 is tapered toward the tool pocket 10 . In the main embodiment of the present invention, the tool pocket 11 is in communication with the slide hole 13 and the elastic member receptacle 12, and the inner diameter of the tool pocket 11 is larger than the inner diameter of the elastic member receptacle 12. In addition, the second end of the shaft 10 opposite to the tool pocket 11 is a connecting portion 15 which is a recessed hole of the drawing and can be inserted by a post or a pneumatic tool to achieve The effect of the extension arm is also shown in FIG. 6. The shaft 10 is a post portion of the screwdriver tool 60. The shaft 10 is a gripper capable of holding a force against the second end of the tool pocket. Tool grip.

The sliding sleeve 20 is coaxially sleeved on the outer side of the shaft 10. The sliding sleeve 20 has an abutting top portion. The abutting top portion is located in the sliding hole 13 and can be along the axial direction of the shaft 10 in the sliding hole 13. Sliding so that the sliding sleeve 20 can slide between the first position and the second position relative to the shaft 10 along the axial direction of the shaft 10, and the radial section of the sliding hole 13 is along the shaft 10 The axial direction extends so that the abutting top can only slide along the axial direction of the shaft 10. In the main embodiment of the present invention, the sliding sleeve 20 is formed with two positionally symmetrical fixing holes 21, and the abutting top is a latch 22, the latch 22 is radially inserted into the sliding sleeve 10 from the two fixing holes 21, and the outer diameter of the latch 22 is substantially the same as the inner diameter of each of the fixing holes 21, so that the latch 22 cannot be used in each The fixing hole 21 slides. In addition, the inner wall of the sliding sleeve 20 is recessed to form a receiving groove 23, and one end of the bottom of the receiving groove 23 is formed with an inclined guiding surface 231, and the inclined guiding surface 231 faces away from the abutting top.

The elastic member 30 is received in the elastic member housing 12 to abut the elastic member Preferably, the elastic member 30 is a compression spring; the positioning bead 40 is received in the tapered hole 14 , and the outer diameter of the positioning bead 40 is larger than the tapered portion. The smallest inner diameter of the aperture 14 is such that the positioning bead 40 does not fall into the tool pocket 11.

Referring to FIG. 3, when the sliding sleeve 20 is in the first position, the latch 22 is located at one end of the sliding hole 13 away from the elastic member receiving slot 12, and the position of the receiving slot 23 does not correspond to the The tapered hole 14 can not enter the accommodating groove 23 and partially protrude from the tool pocket 11; referring to FIG. 4, when the sliding sleeve 20 is in the second position, the latch 22 is located at the The sliding hole 13 is adjacent to one end of the elastic member receiving slot 12, and the receiving groove 23 is corresponding to the tapered hole 14. The positioning bead 40 can partially enter the receiving groove 23 without protruding from the tool receiving slot. 11.

In actual use, as shown in FIG. 3, the elastic force of the elastic member 30 causes the sliding sleeve 20 to maintain the first position in a state where the external force is not applied, so that the positioning bead 40 protrudes from the tool pocket 11 If the tool head 50 is to be placed in the tool pocket 11, the sliding sleeve 20 is first pulled to move the sliding sleeve 20 to the second position, and the receiving groove 23 and the tapered hole are formed. The position of the positioning bead 40 can be entered by the 14 position, and the tool head 50 is inserted into the tool pocket 11 at the same time, and the positioning portion 51 which is recessed by one of the outer walls of the tool head 50 can be just positioned with the positioning bead 40. Correspondingly, the sliding sleeve 20 is released, and the sliding sleeve 20 is returned to the first position, and the positioning bead 40 is separated from the accommodating groove 23 by the inclined guiding surface 231, and the positioning bead 40 faces the The tool pocket 11 protrudes and just abuts to the positioning The portion 51 prevents the tool head 50 from being detached from the tool pocket 11 as shown in FIG. 5, and when the connecting portion 15 is connected with a tool such as a post or a handle, any tool head can be reached. The effect of the use; when the user wants to disassemble the storage tool head or has to replace the different tool head, the sliding sleeve 20 only needs to be pulled again to move the sliding sleeve 20 to the second position, and the tool head 50 can be moved from the tool pocket Detachment in 11 is quite convenient.

In view of the above, the sleeve provided by the present invention can quickly and conveniently connect a post and a tool head (such as a screwdriver head), and the user can quickly release or position by simple operation, and can be based on the working environment. Need to replace poles of different lengths or tool heads with different functions.

Moreover, the most important thing is that the sleeve of the present invention changes the elastic member traditionally located between the shaft and the sliding sleeve into a novel design of the elastic member groove disposed inside the shaft, which can effectively reduce the overall width of the sleeve. The sleeve of the present invention is more suitable for use in a narrow space. In addition, since the elastic member is located in the elastic member groove, the dimensional accuracy requirement is low, and it is not necessary to be a ring spring. For example, a solid elastic body can be applied. This creation.

The sleeve provided by the present invention, because the elastic member is placed inside the shaft, compared with the prior art provided on the shaft and the sliding sleeve, the creation omits the axle milling and the C-shaped buckle ring assembly. The annular groove has a significant improvement in reducing the product processing procedure, and the use of the C-shaped retaining ring also contributes to the simplification of the component.

It is further proved that the novel design of this creation is highly effective and consistent with the above. The patent requirements stipulated in the national patent law, and the application for a patent in accordance with the law, the application for the early approval of the patent, the real sense of virtue.

10‧‧‧ shaft

11‧‧‧Tools

12‧‧‧Flexible pocket

13‧‧‧Slide hole

14‧‧‧ tapered hole

20‧‧‧Sleeve

21‧‧‧Fixed holes

22‧‧‧ latch

23‧‧‧ accommodating slots

231‧‧‧ oblique guide

30‧‧‧Flexible parts

40‧‧‧ positioning beads

50‧‧‧Tool head

51‧‧‧ Positioning Department

60‧‧‧ screwdriver tools

Figure 1 is a perspective view of the creation.

Figure 2 is an exploded perspective view of the present creation.

Figure 3 is a cross-sectional view of the present creation.

Figure 4 is a schematic illustration of the creation of the top of the creation in the second position.

Figure 5 is a schematic illustration of the top of the creation when the top position is in the first position.

Figure 6 is a schematic diagram of the use of this creation combined with a screwdriver tool.

10‧‧‧ shaft

11‧‧‧Tools

12‧‧‧Flexible pocket

13‧‧‧Slide hole

20‧‧‧Sleeve

22‧‧‧ latch

30‧‧‧Flexible parts

40‧‧‧ positioning beads

50‧‧‧Tool head

51‧‧‧ Positioning Department

Claims (8)

A sleeve comprising: a shaft having a first end and a second end, wherein the first end is formed with a recessed tool pocket, and the bottom of the tool pocket is further coaxially recessed to form a resilient member a slot, the shaft is further formed with a radial through hole, the sliding hole is located between the tool pocket and the elastic member receiving groove and communicates with the elastic member receiving groove, and the shaft is disposed in the tool receiving groove The outer wall is formed with a tapered hole, and the inner diameter of the tapered hole is tapered toward the tool pocket; a sliding sleeve is coaxially sleeved outside the shaft, and the sliding sleeve has an abutting top therein. The top of the abutting portion is located in the sliding hole and is slidable in the axial direction of the shaft in the sliding hole, so that the sliding sleeve can be in a first position and a second position relative to the shaft in the axial direction of the shaft Sliding between the positions, the inner wall of the sliding sleeve is formed with a receiving groove; an elastic member is received in the elastic member receiving groove to abut against the bottom of the elastic member receiving groove and the abutting top; a bead, the positioning bead is disposed in the tapered hole, and an outer diameter of the positioning bead is larger than a minimum inner diameter of the tapered hole When the sliding sleeve is in the first position, the abutting top is located at one end of the sliding hole away from the elastic member receiving slot, and the receiving slot position does not correspond to the tapered hole, and the positioning bead cannot enter the The accommodating groove is partially protruded from the tool pocket; wherein, when the sliding sleeve is in the second position, the abutting top is located at the one end of the sliding hole adjacent to the elastic member, and the receiving slot is positioned Corresponding to the tapered hole, the positioning bead can partially enter the receiving groove without protruding into the tool pocket. The sleeve of claim 1, wherein the sliding sleeve is further formed with a two-position symmetric fixing hole, the abutting top is a latch, and the latch is radially inserted into the sliding sleeve from the two fixing holes, and the latch is outside the latch The diameter is substantially the same as the inner diameter of each of the fixing holes, so that the pin cannot slide in each of the fixing holes. The sleeve of claim 1, wherein the tool pocket is in communication with the slide hole and the elastic member pocket, and an inner diameter of the tool pocket is larger than an inner diameter of the elastic member pocket. The sleeve of claim 1, wherein a bottom of the receiving groove near one end of the abutting top forms an oblique guiding surface, the inclined guiding surface facing away from the abutting top. The sleeve of claim 1, wherein the shaft is connected to the second end of the tool pocket with a recess. The sleeve of claim 1, wherein the shaft is a sub-tool with respect to the second end of the tool pocket. The sleeve of claim 1, wherein the inner wall of the tool pocket is hexagonal. The sleeve of claim 1, wherein the radial cross section of the slide hole extends in the axial direction of the shaft such that the abutting top can only slide in the axial direction of the shaft.