TWI643709B - Socket - Google Patents

Abstract

The invention relates to a sleeve comprising a first kit and a second kit. a first end of the first set is connected to a driving tool, and a second end of the first set is provided with a first socket for receiving a first fastener, the first set includes an internal space and A first socket connects the inner ring wall around an inner ring wall of the inner space. The second set is movably inserted into the inner space, the second set includes an outer ring wall and a second sleeve connected to each other, the outer ring wall and the inner ring wall face each other, the first The second sleeve is sleeved with a second fastener, and the second fastener is different in size from the first fastener. Wherein, one of the outer ring wall and the inner ring wall is tapered from the first end toward the second end, and the other is provided with a limiting unit.

Description

Sleeve

The invention relates to sleeves, and in particular to a sleeve.

In the factory, the sleeve is one of the most common tools, such as the sleeve disclosed in Taiwan Patent No. D185897 and M338720. The sleeve is mainly used in the assembly work or the disassembly work with the driving tool to rotate the fastener (such as a nut, a screw, etc.), wherein the driving tool is exemplified by, but not limited to, a wrench, a pneumatic tool or a power tool.

However, with the development of the industry, the products produced are more and more diversified and complicated, and the conventional sleeve structure is generally unable to meet the needs of use. For example, there are many kinds of fasteners to be driven by the sleeve. Users need to prepare sleeves of various sizes. As a result, the number of sleeves in the factory needs to have more storage space, or When the spinning operation is performed, the user needs to prepare more sleeves for replacement, resulting in inefficient work, and there is a drawback that needs to be improved.

Therefore, it is necessary to provide a novel and progressive sleeve to solve the above problems.

The main object of the present invention is to provide a sleeve having sleeves of different sizes, and the user can select a corresponding set of joints according to the radial size of the fastener to be rotated, so It is not necessary to replace different sleeves each time to rotate different sizes of fasteners, which can improve the working efficiency and reduce the storage space of the sleeve.

To achieve the above object, the present invention provides a sleeve comprising: a first kit and a second kit. a first end of the first kit is connected to a driving tool, and a second end is provided with a first socket for receiving a first fastener, the first sleeve comprises a first body, and the first body comprises There is an inner space and an inner ring wall surrounding the inner space, and the first socket is connected to the first body. The second set includes a second body and a second socket connected to each other, the second body is movably inserted into the inner space, and an outer ring wall of the second body and the first body The inner ring walls face each other and are separated by a gap, and the second sleeve portion is sleeved with a second fastener, and the second fastener is different in size from the first fastener. Wherein, one of the outer ring wall and the inner ring wall is provided with an inclined surface which is tapered from the first end toward the second end, and the other is provided with a limiting unit protruding from the gap. Defining that when the limiting unit moves to a protruding position relative to the inclined surface, the second body protrudes from the inner space, so that the second sleeve portion is sleeved to the second fastener, and the limit is defined When the positional unit is moved to a retracted position relative to the inclined surface, the second body is retracted into the inner space, so that the first sleeve portion is sleeved with the first fastener; wherein the inclined surface is at the protruding position And the retracted position is continuously inclined, so that the size of the gap changes continuously.

1‧‧‧ first kit

11‧‧‧ first end

12‧‧‧ second end

13‧‧‧Axis line

14‧‧‧Internal space

15‧‧‧ Inner Ring Wall

16‧‧‧First set of joints

17‧‧‧First stop wall

18‧‧‧through holes

19‧‧‧First Ontology

2‧‧‧ second kit

21‧‧‧ outer ring wall

22‧‧‧垣

23‧‧‧Second socket

24‧‧‧second stop wall

25‧‧‧Second ontology

3‧‧‧ gap

31‧‧‧ sloped surface

4‧‧‧Limited unit

41‧‧‧ balls

5‧‧‧Hoops

6‧‧‧Flexible parts

7‧‧‧Driver

8‧‧‧First fastener

9‧‧‧Second fasteners

1 is a perspective view of an embodiment of the present invention.

Figure 2 is an exploded view of Figure 1.

Fig. 3 is a view showing the state of use of one aspect of Fig. 1.

Figure 4 is a partial enlarged view of Figure 3.

Fig. 5 is a view showing a state of use of another aspect of Fig. 1.

Figure 6 is a partial enlarged view of Figure 5.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to Figures 1 through 6, there is shown a preferred embodiment of the present invention. The sleeve of the present invention includes a first kit 1 and a second kit 2.

The first end of the first set 1 is connected to a driving tool 7 and the second end 12 is provided with a first socket portion 16 for receiving a first fastener 8. The first kit 1 is a first body. The first body includes an inner space 14 and an inner ring wall 15 surrounding the inner space 14. The first socket 16 is connected to the first body. The second set 2 includes a second body and a second socket connected to each other. The second body is movably inserted into the inner space 14. The outer ring wall of the second body and the first The inner ring walls of the body face each other and are separated by a gap. The second sleeve portion 23 is sleeved with a second fastener 9 which is different in size from the first fastener 8. Wherein, one of the outer ring wall 21 and the inner ring wall 15 is provided with an inclined surface which is tapered from the first end 11 toward the second end 12, and the other is provided with a protrusion extending to the gap 3 Limit unit 4. Defining that when the limiting unit moves to a protruding position relative to the inclined surface, the second body protrudes from the inner space, so that the second sleeve portion is sleeved to the second fastener, and the limit is defined When the position unit moves to a retracted position relative to the inclined surface, the second body retreats Inserting the inner space to allow the first socket to be sleeved with the first fastener; wherein the inclined surface is continuously inclined between the protruding position and the retracted position, thereby causing the gap to be continuous Variety.

By integrating the second kit 2 into the first kit 1 , the sleeve itself can have the first sleeve portion 16 and the second socket portion 23 of two different sizes for the operator to select. The operator can directly use the sleeve without changing the sleeve continuously during use, which helps to improve work efficiency and saves storage space. Moreover, since the second kit 2 is designed to be freely movably inserted into the inner space 14 of the first kit 1, it is only necessary to directly sleeve the sleeve to the fastener during operation, and the sleeve will be The first socket portion 16 or the second socket portion 23 is automatically selected according to the size of the fastener. For example, if the first fastener 8 is larger than the second sleeve portion 23, when the sleeve is sleeved, the second sleeve 2 is pressed by the first fastener 8 to be retracted. Further, the first socket portion 16 covers the first fastener 8 .

It can be understood that the first kit 1 and the second kit 2 are separately processed and assembled separately, so that the first kit 1 and the second kit 2 can be processed separately to accurately control the activity. The margin or the size of the gap 3 allows the second kit 2 to be relatively stable and smooth when it is slid or positioned relative to the first kit 1 to maintain the high quality of the sleeve. Moreover, when the first kit 1 or the second kit 2 is damaged, the damaged component can be separated and replaced. In this embodiment, the first and second socket portions 23 have the same polygonal shape (hexagonal shape), however, in other embodiments, they may be different polygons, for example, but not limited to, the first set. The joint is a dodecagonal shape and the second socket portion has a hexagonal shape.

Preferably, the sleeve further includes an elastic member 6 disposed in the inner space 14. The two ends of the elastic member 6 respectively abut against the first sleeve 1 and the second sleeve 2 to drive the sleeve The second socket portion 23 normally protrudes from the first socket portion 16, and the second socket portion 23 of a smaller size is beneficial for guiding against the first socket portion The first fastener 8 or the second fastener 9. In addition, when the second set 2 is squeezed by the external force and is contracted to the inner space 14, the elastic member 6 can immediately rebound the second set 2 to the first position after the external force is removed.

More specifically, the first kit 1 further includes an axial center line 13 extending in a direction parallel to the axial line 13 , and the extending direction of the outer annular wall 21 is oblique to the axial center. a wire 13 extending from the inner ring wall 15 to the gap 3; wherein when the second set 2 is moved along the axis 13 toward the second end 12 to a first position, The limiting unit 4 is in close fitting relationship with the outer ring wall 21 and is in close contact with each other.

In this embodiment, the first kit 1 is coaxially disposed with the second kit 2; in the extending direction of the axial line 13, the ratio of the length of the first kit 1 to the length of the second kit 2 is Between 2 and 3, the second set 2 has a shorter length for convenient storage; when the second set 2 is moved to the first position, the second set is in the direction of extension of the axial line 13 The ratio of the length of the connecting portion 23 protruding from the first socket portion 16 to the length of the second sleeve portion 2 is between 0.1 and 0.2, and the design of the protruding portion of the second socket portion 23 can be easily set. The second fastener 9 is connected to the axial line 13 , and the extension of the outer ring wall 21 and the extension of the inner ring wall 15 are at an angle of more than 0 degrees and less than 5 degrees. Therefore, when the second set 2 is moved to a first position, the limiting unit 4 can smoothly abut against the outer ring wall 21.

Preferably, the second kit 2 has a wall thickness closer to the first end 11 than the second kit 2 is closer to the second end 12 to have a stronger structural strength for the limiting unit. 4 arrived.

In another preferred embodiment, a retaining ring 22 extends radially from the outer ring wall 21, and the limiting unit 4 is interposed between the retaining ring 22 and the first socket portion 16; wherein, when the second When the kit 2 is moved to the first position, the limiting unit 4 interferes with the dam 22 in the extending direction of the axial line 13 to ensure that the second kit 2 does not detach from the first kit. 1. In other embodiments, the dam is not provided.

The inner diameter of the first socket portion 16 is larger than the radial dimension of the inner ring wall 15 , and a first blocking wall 17 is laterally connected between the inner ring wall 15 and the first socket portion 16 . The outer diameter of the second sleeve portion 23 is larger than the radial dimension of the outer ring wall 21, and a second stopper wall 24 is laterally connected between the outer ring wall 21 and the second sleeve portion 23; When the second set 2 is moved toward the first end 11 to a second position by an external force, the first stop wall 17 and the second stop wall 24 abut against each other. Preferably, the first blocking wall 17 is obliquely connected to the inner ring wall 15 and the first socket portion 16. The angle of inclination of the second blocking wall 24 is matched with the inclination of the first blocking wall 17. angle.

The limiting unit 4 includes at least one ball 41, and the at least one ball 41 is rollably positioned on one of the first set 1 and the second set 2, and thus can selectively abut each other with the other. In the embodiment, the at least one ball 41 is plural in number and distributed at equal intervals on the first set 1 and can be mutually abutted against the second set 2 .

Further, the first kit 1 is provided with at least a uniform hole 18 corresponding to the balls 41. In the embodiment, the number of the at least the corresponding holes 18 corresponds to the balls 41, and the balls 41 are respectively accommodated in the balls 41. The through holes 18, and a portion of the at least one ball 41 protrudes from the inner ring wall 15 of the first set 1 to selectively abut against the outer ring wall 21 of the second set 2.

Preferably, the sleeve further includes a tightening member 5 which is sleeved on the first sleeve 1 and is pressed against the at least one ball 41, so that the at least one ball 41 has a second direction. The trend of kit 2 movement. In the embodiment, the fastening component 5 is a C buckle and is embedded in the first assembly 1 for convenient installation in the first assembly 1.

In summary, the sleeve of the present invention is slidably inserted into the first sleeve through the second sleeve, and is inclined and tapered through the outer wall of the second sleeve, thereby defining a gap with the outer ring wall of the first sleeve. And with the limit unit to restrain the movement of the second kit, the overall structure is clear and simple, and the movement is smooth Easy to use. In addition, the first kit and the second kit can be individually processed individually, and therefore, can have better precision and facilitate rapid production.

Claims (10)

A sleeve includes: a first sleeve having a first end for connecting a driving tool, and a second end having a first socket for receiving a first fastener, comprising a first body, The first body includes an inner space and an inner ring wall surrounding the inner space, the first socket is connected to the first body; a second sleeve includes a second body and a second socket connected to each other The second body is movably inserted into the inner space, and an outer ring wall of the second body faces the inner ring wall of the first body and is separated by a gap, and the second sleeve is provided with a sleeve a second fastener, the second fastener is different in size from the first fastener; wherein the outer ring wall and the inner ring wall are disposed from the first end toward the second The direction of the end is tapered into one inclined surface, and the other is provided with a limiting unit protruding from the gap, and defining the second body protruding when the limiting unit moves to a protruding position relative to the inclined surface Out of the internal space, so that the second socket is sleeved to the second fastener, defined as When the limiting unit moves to a retracted position relative to the inclined surface, the second body retreats into the inner space to allow the first socket to sleeve the first fastener; wherein the inclined surface is convex The position and the retracted position are continuously inclined, so that the size of the gap changes continuously. The sleeve of claim 1, wherein the first sleeve further comprises an axial line extending in a direction parallel to the axial line, the outer ring wall extending obliquely to the axis a limiting line, wherein the limiting unit protrudes from the inner ring wall; wherein the limiting unit moves when the second set moves along the axial line toward the second end to a first position The outer ring walls are in close fitting relationship with each other. The sleeve of claim 2, wherein a retaining ring projects radially from the outer ring wall, the limiting unit is interposed between the retaining ring and the first socket; wherein, when the second When the kit is moved to the first position, the limiting unit interferes with the damper in the extending direction of the axis line. The sleeve of claim 2, wherein the extension of the outer ring wall and the extension of the inner ring wall are at an angle that is greater than 0 degrees and less than 5 degrees. The sleeve of claim 1, wherein the first sleeve further comprises a shaft line, the inner diameter of the first sleeve portion is larger than a radial dimension of the inner ring wall, and the first stop wall is laterally Connected between the inner ring wall and the first socket, the outer diameter of the second sleeve is larger than the radial dimension of the outer ring wall, and a second stop wall is laterally connected to the outer wall. Between the annular wall and the second sleeve; wherein, when the second sleeve is moved toward the first end to a second position by an external force, the first stop wall and the second stop wall are mutually Resist interference. The sleeve of claim 1, wherein the limiting unit comprises at least one ball, the at least one ball being rollably positionable in one of the first set and the second set, and further selectable from the other Sexually abut each other. The sleeve of claim 6, wherein the first sleeve is provided with at least one of the consistent holes corresponding to the at least one ball, the at least one ball is respectively received in the at least one of the consistent holes, and the at least one ball is partially protruded The inner ring wall of the first kit, in turn, can selectively abut each other against the outer annular wall of the second set. The sleeve of claim 7, further comprising a tightening member sleeved on the first sleeve to radially press against the at least one ball, thereby causing the at least one ball to move toward the second sleeve The trend. The sleeve according to any one of claims 1 to 8, further comprising an elastic member disposed in the inner space, the two ends of the elastic member respectively projecting against the first kit and the second kit, The second socket is driven to protrude from the first socket. The sleeve of claim 8, wherein the first sleeve further comprises an axial line extending in a direction parallel to the axial line, the outer ring wall extending obliquely to the axis a limiting line, wherein the limiting unit protrudes from the inner ring wall; wherein the limiting unit moves when the second set moves along the axial line toward the second end to a first position The outer ring wall is in close fitting relationship with each other; the dam is radially protruded from the outer ring wall, and the limiting unit is interposed between the dam and the first ferrule; When the second set is moved to the first position, the limiting unit interferes with the damper in the extending direction of the axis line; and the extension of the outer ring wall is perpendicular to the axis of the axis The extension of the inner ring wall may be at an angle, the angle of the angle is greater than 0 degrees and less than 5 degrees; the inner diameter of the first sleeve portion is larger than the radial dimension of the inner ring wall, and the first stop wall is laterally Connected between the inner ring wall and the first socket, the outer diameter of the second sleeve is larger than the radial dimension of the outer ring wall a second stopping wall is laterally connected between the outer ring wall and the second socket; wherein when the second set is moved by the external force toward the first end to a second position, the first The first stop wall and the second stop wall interfere with each other; the sleeve further includes an elastic member, the elastic member is disposed in the inner space, and the two ends of the elastic member respectively abut the first set and the first a second kit for driving the second socket to normally protrude from the first socket; when the second sleeve is moved to the first position, the second sleeve is in a direction in which the axis is extended The ratio of the length of the first protruding portion of the connecting portion to the length of the second sleeve is between 0.1 and 0.2; in the extending direction of the axial line, the length of the first sleeve is different from the first The ratio of the length of the two sets is between 2 and 3; the first set is coaxially disposed with the second set; the hoop is a C buckle and is embedded in the first set; the at least one ball The number is plural, and is equal An interval is distributed in the first sleeve; the first blocking wall is obliquely connected to the inner ring wall and the first sleeve portion, and the inclination angle of the second blocking wall is matched with the inclination angle of the first blocking wall The first and second socket portions have the same polygonal shape; the second kit has a wall thickness closer to the first end than the second sleeve is closer to the second end.