TWM465240U - Socket - Google Patents

Description

Sleeve

The present invention relates to a sleeve, and more particularly to a sleeve that is connected to a tool wrench through a coil spring as a sleeve to provide a wrench tool for optimal rotation.

With the popularity of personal self-assembly (DIY), the development of hand tools is changing with each passing day, making it easy for the general public to use. In the prior art, a socket wrench is used to secure a kit with its ratchet portion. The kit has a downwardly projecting sleeve that can be sleeved with various sizes to tighten different sizes of nuts. This type of fit makes the wrench, kit and sleeve inseparable from each other. Therefore, many sleeves have been developed on the market today, and are fitted to the socket of the socket wrench in a disassembling manner, so that various sleeves can be arbitrarily matched to loosen the nuts of different sizes.

For the sleeve developed on the market, please refer to the Republic of China Patent Publication No. M301733, which discloses a sleeve for a wrench. The recessed hole 15 is defined in the side of the sleeve portion 11 of the sleeve 10, and the spring 16 and the ball 13 are filled in the recessed hole 15, and the elastic force of the spring 16 is used to abut the ball 13 so that the ball The bead 13 can partially protrude from the recessed hole 15 of the pivoting portion 11 . When the sleeve 10 is matched with the socket wrench 20 , the ball 13 is pressed against the locking hole 21 of the socket wrench 20 by the elastic force of the spring 16 . As a connection between the sleeve and the wrench.

In addition, please refer to U.S. Patent Publication No. 7255468, which discloses a set. cylinder. A through hole 11 and a groove 13 are defined in the side of the sleeve portion 10 of the sleeve 1. The fixed end 141 of the elastic member 14 is mounted in the groove 13. The free end 142 of the elastic member 14 has a positioning. The protrusion 143 corresponds to the size of the through hole 11; thereby, the positioning protrusion 143 is elastically received in the through hole 11 by the elastic force of the elastic member 14. In use, the elastic force of the elastic member 14 is elastically abutted into the locking hole of the tool wrench as a connection between the sleeve and the wrench.

However, in the above-mentioned prior art, the spring or the elastic member designed by the sleeve cannot provide a strong elastic force in practical use, and cannot effectively connect the sleeve and the wrench effectively; Springs or elastic members in the prior art can still cause fatigue of the elastic members or deterioration of the elastic force under long-term use, and the connection will affect the connection effect between the sleeve and the wrench, and affect the service life and effect. In view of the problems of the prior art, the creator developed a sleeve that can effectively solve the above problems.

The purpose of the present invention is to provide a sleeve through which a coil spring is used as a solid connection when combined with a tool wrench, and a tool wrench is provided to achieve an optimal rotation effect when the sleeve is pulled.

The purpose of this creation is to provide a sleeve that does not cause structural damage or shedding problems even if the sleeve is used for a long time, and can effectively improve the service life.

To achieve the above object, the present invention provides a sleeve comprising: a sleeve body, a coil spring, and at least one bead. The sleeve main system has a first end, and is provided with a tool wrench for fitting. The first end has a through hole, a through hole inner wall, a receiving groove formed on the inner wall of the through hole, and at least one through hole The bead hole of the receiving groove. The coil spring is disposed in the receiving groove, the coil spring has an axial direction and a plurality of elastic coils, and the elastic coils are along the shaft Formed to extend. The bead system is received in the bead hole and partially exposed by the elastic coil of the coil spring to expose the bead hole.

Therefore, the sleeve provided by the present invention can be firmly and firmly connected to the tool wrench when combined with a tool wrench, and the sleeve and the tool wrench will not fall off or sway unstable. In the case, the tool wrench can be used to pull the sleeve to achieve the best rotation effect. Moreover, even if it is used for a long time, it still retains strong elasticity, and does not cause structural damage or falling off, thereby effectively improving the service life.

1‧‧‧ sleeve

10‧‧‧Sleeve body

11‧‧‧ first end

12‧‧‧ second end

13‧‧‧through hole

15‧‧‧through hole inner wall

17‧‧‧storage trough

19‧‧‧Beacon

20‧‧‧Coil spring

21‧‧‧Axial

23‧‧‧Elastic coil

30‧‧‧ beads

4‧‧‧Tool wrench

41‧‧‧Tool head

Figure 1 is a perspective assembled view of one embodiment of the present creative sleeve.

2 is an exploded perspective view of one embodiment of the present creative sleeve.

Figure 3 is a cross-sectional view of one embodiment of the present creative sleeve showing the fit between the helical spring and the bead.

Figure 4 is a schematic view (1) of the cooperation of the creation sleeve and a tool wrench.

Figure 5 is a schematic view of the creation sleeve and a tool wrench (2).

Figure 6 is a schematic view (3) of the cooperation of the creation sleeve and a tool wrench.

Fig. 6A is a partial enlarged view of Fig. 6.

Figure 7 is an exploded perspective view of another embodiment of the present invention.

Fig. 8 is a schematic view showing a sleeve of another embodiment of the present invention in cooperation with a tool wrench.

Fig. 8A is a partial enlarged view of Fig. 8.

The following is only an example to illustrate the possible implementation of this creation, but it is not limited The scope of the creation of this creation should be described first.

Please refer to FIG. 1 to FIG. 4 , which is an embodiment of the present invention. The present invention provides a sleeve 1 comprising a sleeve body 10 , a coil spring 20 , and at least one bead body 30 . In this embodiment, the bead body 30 is one. In other embodiments, the bead body 30 can also match the number of the bead holes 19 of the sleeve body 10 to correspond to the number of the bead bodies 30.

The sleeve body 10 has a first end 11 and a second end 12 extending from the first end 11 . The first end 11 is provided with a tool wrench 4 for fitting; the second end 12 is used for the second end 12 For pulling the lock and screw. The first end 11 has a through hole 13 , a through hole inner wall 15 , a receiving groove 17 formed in the through hole inner wall 15 , and at least one bead hole 19 penetrating the receiving groove 17 . In this embodiment, the through hole 13 is penetrated through the sleeve body. The through hole inner wall 15 is recessed to form the receiving groove 17. The receiving groove 17 is formed along the periphery of the inner wall 15 of the through hole. The bead hole 19 is a hole penetrating through the side surface of the first end 11 and communicating with and perpendicular to the receiving groove 17. In the present creation, the bead hole 19 can be designed with 2 holes or more, which is designed according to the user's needs.

The coil spring 20 is provided with the receiving groove 17, and correspondingly attached to the wall surface of the receiving groove 17, the coil spring 20 has a strong elastic force. The coil spring 20 has an axial direction 21 and a plurality of elastic coils 23 extending along the axial direction 21; each of the elastic coils 23 is coupled to each other and rotated and extended along the axial direction 21, thereby The elastic coil 23 maintains a strong and strong elastic force regardless of the axial direction 21 or the direction perpendicular to the axial direction 21, and the coil spring 20 is locked and attached to the receiving groove 17 by its elastic tension. .

The bead body 30 is received in the bead hole 19, and is passed through the bead hole 19 to be locked against the top, and is abutted against the tension of the elastic coil 23, so that the bead body 30 partially exposes the bead hole 19.

Thereby, each of the elastic coils 23 of the coil spring 20 is in the axial direction 21 or perpendicular The axial direction 21 has a strong and strong elastic force, and the coil spring 20 itself can be stabilized in the receiving groove 17, and the strong and strong elastic tension can be used to push the bead body 30 to the bead hole. 19. Even if it is used for a long time, there will be no problem of structural damage or fatigue or falling off, which will effectively increase the service life.

Please refer to FIG. 4, FIG. 5, FIG. 6, and FIG. 6A. In actual use, the first end 11 of the sleeve 1 is sleeved in the locking hole of the tool head 41 of the tool wrench 4; the second end 12 of the sleeve 1 can be used to pull a lock or screw Pieces (not shown). The bead body 30 is subjected to the tension of the three (or more) elastic coils 23 of the coil spring 20, so that the bead body 30 can be stably protruded and locked in the locking hole of the tool head 41, so that the sleeve The 1 series is strongly and strongly attached and attached to the tool wrench 4, so that the tool wrench 4 can achieve the best rotation effect when the sleeve 1 is pulled.

Please refer to FIG. 7, FIG. 8 and FIG. 8A for another embodiment of the present invention. The difference between this embodiment and the previous embodiment is that the elastic coils 23 of the coil springs 20 respectively have a wire diameter, and the wire diameter is approximately 1/3 of the diameter of the beads 30, so that each elastic coil 23 is equivalent. The area of the bead 30 is contacted.

Furthermore, the three (or more) elastic coils 23 of the coil spring 20 abut against the beads 30 (Fig. 8). The strong elastic force can be formed by the three elastic coils 23, and even if the bead body 30 is pressed against the elastic coils 23, the elastic coils 23 have considerable elastic recovery properties when the beads 30 are When it is not pressed, the bead hole 19 can be partially exposed to the top, and the coil spring 20 retains the same elastic recovery performance even under long-term use.

In summary, the sleeve of the present invention can be strongly and firmly connected to the tool wrench when combined or combined with the tool wrench, and the sleeve and the tool wrench will not fall off or sway unstable. When the tool wrench is pulled by the sleeve, an optimally rotating sleeve can be achieved; In addition, even if it is used for a long time, there will be no problem of structural damage or falling off, and the service life will be effectively improved. In fact, it is extremely progressive, in line with the relevant provisions of the Patent Law, and filed a patent application in accordance with the law.

1‧‧‧ sleeve

10‧‧‧Sleeve body

11‧‧‧ first end

12‧‧‧ second end

13‧‧‧through hole

20‧‧‧Coil spring

30‧‧‧ beads

Claims (6)

A sleeve comprising: a sleeve body having a first end and a tool wrench for fitting; the first end has a through hole, a through hole inner wall, and an inner wall of the through hole a receiving slot and at least one bead hole extending through the receiving slot; a coil spring is disposed in the receiving slot, the coil spring has an axial direction and a plurality of elastic coils, and the elastic coils are along the axial direction An extension is formed; and at least one bead is placed in the bead hole and partially exposed by the elastic coil of the coil spring to partially expose the bead hole. The sleeve of claim 1, wherein the sleeve main system has a second end formed by the first end for pulling a lock or a screw. The sleeve of claim 1, wherein the receiving groove is recessed in the inner wall of the through hole, and the bead hole passes through the receiving groove and is perpendicular to the receiving groove. The sleeve of claim 1, wherein the coil spring is correspondingly attached to the receiving groove. The sleeve of claim 1, wherein at least three elastic coils of the coil spring abut against the bead, such that the bead is abutted to partially expose the bead. The sleeve of any one of claims 1 to 5, wherein the elastic coils each have a wire diameter which is approximately 1/3 of the diameter of the bead.