TWI729882B - Sleeve structure - Google Patents

Abstract

A sleeve structure of the present invention includes: a sleeve body is provided with a sleeve hole, and the sleeve body is sequentially provided with a first stage, a second stage, and a third stage from one end to the other end; and a stress ring is set in the sleeve body. On the outer peripheral side of the first stage, the outer surface of the stress ring is aligned with the outer surface of the second stage; the protective sleeve sets the sleeve body and surrounds the stress ring and the second stage. In addition, the protective sleeve and the stress ring, the outer surface of the second stage The surfaces are in contact with each other, the sleeve body can rotate in the protective cover, a holding section is provided on the outer periphery of the protective cover, and the holding section is provided with a plurality of force application parts; through the protective cover set to block collision with the wheel frame , And when the gripping section is used for rotating operation, the protective cover is gripped without rotating with the sleeve body, thereby protecting the protective cover from use and preventing the sleeve body from colliding at the same time.

Description

Sleeve structure

The sleeve structure of the present invention specifically refers to the technology applied in the field of hand tools. It mainly provides users with the ability to easily identify sizes and specifications to improve accuracy. More importantly, it provides users with a Time is more stable, which is an invention with excellent practicality.

Sleeve is one of the most common parts in hand tools, especially in the industrial field, such as auto and motorcycle repair shops, factories, etc. The use of sleeves can provide users to remove some screws installed in the holes, Nuts, for example: most of the screws that are locked on the rim of a car are installed inside the frame hole, so that the surface of the rim can be maintained smooth, but for the installation and maintenance personnel, if the tire is removed In operation, all the screws must be completely removed before the tire can be detached from the car, and one end of the socket must be inserted into the wrench through the cooperation of the socket and the wrench, and the other end of the socket must be inserted The frame hole is socketed with screws. After the assembly is completed, the wrench can be driven repeatedly to remove the screws.

However, the general sleeve is made of metal, and in order to be able to twist the screw and nut, the sleeve must have a certain degree of hardness. Therefore, if the above-mentioned maintenance and installation personnel are performing tire disassembly operations, When the sleeve is inserted into the frame hole for driving, it is easy to cause the sleeve to collide with the wheel frame, causing the wheel frame and sleeve to wear out. Moreover, the wheel frame is the most important part of the car. For passengers in the car, there is more danger. In accordance with the above-mentioned problems, the related industry has introduced a sleeve with a protective sleeve on the outer sleeve. Through the setting of the protective sleeve To block the collision between the sleeve and the wheel frame, although the above problem is solved, another problem is extended. The protective sleeve will rotate with the sleeve during the driving of the sleeve, but the setting of the protective sleeve will stick to the hole of the wheel frame. The wall of the hole of the hole, under long-term operation, it is easy to cause the protective sleeve to be thinned and damaged, and lose its effect. As a result, the sleeve lacks the protection of the protective sleeve and collides with the wheel frame; therefore, the relevant industry must think about how to improve it to solve the problem. The occurrence of the above problems.

The main purpose of the present invention is to provide the user with the ability to keep the sleeve from colliding with the wheel frame while maintaining the usability of the protective sleeve during the operation. The drive of the cylinder rubs against the wheel frame, causing the protective cover to become thinner and even damaged. However, in order to achieve the above-mentioned effect and improve the lack of the prior art, a sleeve structure of the present invention includes: a sleeve body provided with a socket hole from one end to the other end of the sleeve body, and the sleeve body The sleeve body is divided into a first stage, a second stage, and a third stage in sequence from one end to the other end, and a first stage is formed between the first stage and the second stage, and the second stage A second stage is formed between the second stage and the third stage, and a positioning ring groove is further recessed between the second stage and the second stage; a stress ring is set on the outer peripheral side of the first stage Abutting against the first stage, the outer surface of the stress ring is aligned with the outer surface of the second stage; and a protection kit is set on the sleeve body and surrounds the stress ring and the second In the stage, the protection kit is pressed against the second stage, and the protection kit is further protruded with a snap ring corresponding to the position of the positioning ring groove, the snap ring is inserted into the positioning ring groove, and the protection kit The system is in contact with the stress ring and the outer surface of the second stage, and the sleeve body can rotate in the protective cover, and the outer peripheral side of the protective cover is further provided with a grip section, The holding section is provided with a plurality of force applying parts; wherein, the protective kit is set on the outer side of the sleeve body to block the collision with the wheel frame, and the When the holding section of the protection kit is assembled with a wrench and the sleeve body is driven to rotate, the protection kit is held without rotating with the sleeve body, thereby protecting the protection kit Use and at the same time prevent the sleeve body from being impacted.

According to the above description of the present invention, it can be seen that the user only needs to set the present invention to a matching wrench when performing screw and nut drive locking and loosening operations, and then set the sleeve body set At the place where you want to work, hold the holding section of the protective kit with one hand, and control the rotation of the wrench with the other hand. The sleeve body is installed with the protective kit to prevent the sleeve body from being impacted. , Collision with other objects, and the protective cover does not rotate with the sleeve body to reduce its abrasion, avoiding the contact between the protective cover and other objects and becoming thinner and thinner, thereby maintaining the protective cover's effect of protecting the sleeve body. It can be seen that the present invention can be said to be a very practical and progressive invention, which is worthy of being promoted by the industry and made public.

10: Wrench

1: Sleeve body

11: Socket hole

111: Upper zone hole section

111A: The first aperture section

111B: second aperture section

112: Lower area hole section

113: Anti-slip part

12: The first stage

121: Snap ring groove

13: The second stage

14: The third stage

15: First stage

16: Second stage

17: locating ring groove

2: Stress ring

21: Card convex ring block

3: Protection kit

31: Card convex ring

32: grip section

321: force department

321A: Shallow slot area

321B: deep groove area

33: The first recognition area

34: Second recognition area

35: Ring stop bump

4: Central axis

The first figure is a three-dimensional schematic diagram of the first embodiment of the present invention.

The second figure is an exploded perspective view of the first embodiment of the present invention.

The third figure is a schematic cross-sectional view of the line Ⅲ-Ⅲ in the first figure.

The fourth figure is a partial enlarged schematic diagram of the third figure.

The fifth figure is a partial enlarged schematic diagram of the third figure.

The sixth figure is an exploded schematic diagram of the first embodiment of the present invention and the matching wrench.

The seventh figure is a schematic diagram of the first embodiment of the present invention in its use state after being assembled in a wrench.

Figure 8 is a schematic cross-sectional view of the frame hole of the sleeve body and the protection kit inserted into the rim in Figure 7.

The ninth figure is a three-dimensional schematic diagram of the second embodiment of the present invention.

The tenth figure is an exploded perspective view of the second embodiment of the present invention.

Figure 11 is an exploded schematic diagram of the third embodiment of the present invention.

Figure 12 is a schematic cross-sectional view of the third embodiment of the present invention.

In order to clearly illustrate that the present invention can achieve the above-mentioned objectives and effects, the features and effects of the embodiments of the present invention are described in detail with the figures. Please refer to the first to eighth figures, a sleeve structure of the present invention, which is mainly assembled with the wrench 10, including: a sleeve body 1 in a cylindrical shape, which is provided with a socket 11 through the sleeve One end of the barrel body 1 penetrates to the other end, and the sleeve body 1 sequentially distinguishes a first stage 12, a second stage 13 and a third stage 14 from one end to the other end, and the first stage 12 and the second stage A first stage 15 is formed between the two stages 13 and a second stage 16 is formed between the second stage 13 and the third stage 14; a stress ring 2 is set on the outer periphery of the first stage 12 The side abuts against the first stage 15, the outer surface of the stress ring 2 is aligned with the outer surface of the second stage 13, and the main function of the stress ring 2 is to provide users with identification of dimensions and specifications The use; and a protective cover 3 is translucent and cylindrical, which is set in the sleeve body 1 and surrounds the stress ring 2 and the second stage 13, the protective cover 3 abuts the second stage Platform 16, in addition, the protective cover 3 is in contact with the outer surface of the stress ring 2, the second stage 13, and the sleeve body 1 can rotate in the protective cover 3, and the protection The outer peripheral side of the sleeve 3 is further provided with a grip section 32, and the grip section 32 is provided with a plurality of force applying portions 321; wherein, the protective sleeve 3 is set on the outer side of the sleeve body 1 to block the wheel When the frame is collided and the holding section 32 of the protective cover 3 is held, and the wrench 10 is used to assemble and drive the sleeve body 1 for rotating operation, the protective cover 3 is held and does not interact with the cover. The barrel body 1 rotates together, so as to protect the use of the protective cover 3 and at the same time prevent the sleeve body 1 from being impacted.

Based on the above and explained by actual operation, when the user is disassembling the wheel frame, the general known method is nothing more than adding a long sleeve with a wrench, and aligning one end of the long sleeve with the frame on the wheel frame. The screw and nut are inserted into the frame hole and then the screw and nut are socketed, and then the wrench is repeatedly driven to rotate the long sleeve, so that the screw and nut can be rotated and removed. However, the operation of inserting the long sleeve directly into the frame hole will cause A problem occurs, that is, the long sleeve is easy to collide with the wheel frame, causing damage to the long sleeve and the wheel frame. However, if a sleeve with a protective sleeve is used for operation, although the collision between the sleeve and the wheel frame can be protected, However, in general, a sleeve with a protective sleeve will cause the protective sleeve to rotate with the sleeve during the driving operation. This method will cause friction between the protective sleeve and the frame hole, resulting in the gradual thinning or even damage of the protective sleeve. For the above-mentioned problems, using the feature that the protective sleeve 3 and the sleeve body 1 do not rotate together, the user only needs to hold the grip section 32 of the protective sleeve 3 with one hand and the operating wrench 10 with the other hand. Perform repeated pivoting, and use a ratchet wrench to control the sleeve body 1 to rotate to remove screws and nuts. When the sleeve body 1 is rotating, the protective cover 3 will not be held by the user. As the sleeve body 1 rotates, the protective sleeve 3 cannot rub against the frame hole, so that the protective sleeve 3 can maintain the function of protecting the sleeve body 1, as shown in Figs. 6-8.

In addition, based on the above description, the other features of the present invention will now be described in more detail below. First, please see the first figure. In order to facilitate the user to quickly identify the size and specifications of the sleeve body 1 to be taken, no The recognition will be affected by foreign matter attached to the outer surface. Therefore, a first recognition area 33 is further provided at the position corresponding to the first stage 12 of the protection kit 3, and a first recognition area 33 is further provided at the position corresponding to the second stage 13 of the protection kit 3 Two identification areas 34, and the arrangement of the first identification area 33 and the second identification area 34 is hollowed out. Therefore, if there is foreign matter (such as oil stain) attached to the user during the operation, the first identification The area 33 is close to the top of the protective cover 3, so it will be the first to contact the foreign objects in the frame hole, and the foreign objects will be filled into the hollow first identification area 33 to avoid affecting the judgment, and the second identification area 34 is also effective the same In the first identification area 33, in addition, the hollowed-out method of the present invention is also convenient for the user to identify the specifications of the sleeve body 1 taken by touch. In addition, the present invention is in the first identification area 33 and the second identification area 34. The hollow engraving system can be text, numbers, symbols, geometric figures or the aforementioned four interactive combinations; in addition, the present invention can also use fluorescent recognition, color recognition, etc. on the setting of the protective kit 3 (not shown in the figure) Show), and the protective kit 3 can also be made of anti-sticking materials, so as to prevent the adhesion of foreign objects from affecting identification.

In addition, the present invention is to coordinate the locking of screws and nuts in different spatial positions. Therefore, in the design of the socket hole 11 of the sleeve body 1, it is further divided into an upper hole section 111 and a lower hole section 112. The aperture section 111 is connected to the lower aperture section 112, and the section of the upper aperture section 111 is further divided into a first aperture section 111A and a second aperture section 111B. The first aperture section 111A The hole diameter is greater than the hole diameter of the second aperture section 111B, and the first aperture section 111A is pentagonal, hexagonal, octagonal or dodecagonal. In addition, the hole of the second aperture section 111B The diameter is larger than the hole diameter of the lower hole section 112, and the second aperture section 111B is a round hole type, and the main screw setting direction is as shown in the eighth figure. The present invention directly uses the first aperture section 111A to sleeve the screw On the other hand, if the screw is turned upside down and the nut screwed on the screw must be removed, the threaded end of the screw will have space to be accommodated through the second aperture section 111B. (Not shown in the figure), so that the sleeve body 1 can be sleeved on the nut for disassembly and assembly; in addition, the lower hole section 112 is provided for the wrench 10 to be inserted and assembled, as shown in the sixth figure.

In addition, the most important design of the present invention lies in the arrangement of the protective cover 3. In order to ensure that the protective cover 3 can be held by the user, the design of the force applying parts 321 of the holding section 32 adopts the The plurality of force application parts 321 are respectively concave and spaced around the grip section 32, and a central axis 4 is defined in the socket hole 11, and each force application part 321 is arranged in the same direction as the central axis 4 , And each The force portion 321 further includes a shallow groove area 321A located at both ends and a deep groove area 321B located between the two shallow groove areas 321A. The two shallow groove areas 321A are connected to the deep groove area 321B. As shown in the third and fifth figures, through the arrangement of the force applying parts 321, the user can hold it. There is a certain degree of friction between the hands and the force applying parts 321 to avoid falling off between the hands and the protective cover 3 This phenomenon, and the groove bottom surface of each shallow groove area 321A and deep groove area 321B of each force application portion 321 can be further provided with a rough surface, so that the contact between the user's hand and each force application portion 321 is more stable. Continuing the above, the second embodiment of each force applying portion 321 of the present invention is shown in the ninth and tenth figures. The arrangement of each force applying portion 321 can also adopt a plurality of flat and interconnected plane designs. That is, the holding section 32 of the protective kit 3 is formed into a hexagonal column shape, so that corners are formed between the force applying portion 321 and the force applying portion 321, so that the user can hold the It can be held firmly. Therefore, according to the above description, the presentation of the various embodiments of the present invention is mainly to allow the user to hold firmly and surely, so that the protective cover 3 will not pivot with the sleeve body 1, and the The protective cover 3 will not rub against the frame hole without pivoting, so that the service life of the protective cover 3 can be maintained.

Finally, in the present invention, in order to prevent the sleeve body 1 from colliding when inserted into the frame hole, the top end of the stress ring 2 is set lower than the top end of the protective sleeve 3, and the top end of the protective sleeve 3 is further connected to the socket A ring stop projection 35 extends in the direction of the hole 11, and the setting position of the ring stop projection 35 is higher than the opening of the socket hole 11, and the top end of the stress ring 2 abuts against the ring stop projection 35, The arrangement of the ring stop protrusion 35 prevents the stress ring 2 from colliding with the frame hole, and in order to strengthen the stability of the stress ring 2 installed in the first stage 13, the stress ring 2 is close to the bottom end The inner ring surface further protrudes a snap ring block 21, the snap ring block 21 is formed into a semi-circular strip, and the outer peripheral surface of the first stage 12 should be provided with a snap ring groove for the snap ring block 21 121. The stress ring member 2 is positioned by the snap ring block 21 being clamped in the snap ring groove 121; in addition, in order to allow the screw and nut that have been worn out to be disassembled, the socket hole 11 Upper zone hole The top wall surface of the first aperture section 111A of the section 111 is further provided with a plurality of anti-slip parts 113, each of the anti-slip parts 113 is arranged at intervals around the orifice edge of the first aperture section 111A, please refer to the first figure As shown, the first aperture section 111A is hexagonal and has six side surfaces, and each anti-slip portion 113 is arranged on three corresponding side surfaces, which are mainly for screws and nuts that have been worn out. When driving, the anti-slip parts 113 are engaged with the damaged screws and nuts to prevent the sleeve body 11 from being unable to drive the damaged screws and nuts, and the anti-slip parts 113 are tooth-shaped design to ensure that they can be engaged. Screws, nuts; and in order to prevent the protective set 3 from falling off during the operation, a positioning ring groove 17 is further recessed between the second stage 13 and the second stage 16, and the protective set 3 corresponds to The position of the positioning ring groove 17 is further protruded with a locking convex ring 31, which is inserted into the positioning ring groove 17 and prevents the protective sleeve 3 from detaching from the sleeve body 1, thereby preventing the protective sleeve 3 from escaping from the sleeve Cylinder body 1; in summary, in the operation of the present invention, through the protection kit 3 will not rotate with the rotation of the sleeve body 1, so that the protection kit 3 can maintain the protection sleeve body 1, but also maintain the protection The use of the kit 3 does not cause the protective kit 3 to rub the frame holes and become thinner, thereby losing the protective effect. Compared with the problems listed in the prior art, the present invention does improve and solves all the problems, and also more It is suitable for the general public. Obviously, the present invention has a certain degree of progress and practicability. The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to restrict the present invention in any form. Therefore, any modification related to the present invention made under the same inventive spirit Or changes, other types that can be implemented according to the same effect, should still be included in the scope of the invention's intention to protect.

In summary, the practicality and cost-effectiveness of the "sleeve structure" of the present invention are indeed fully in line with the needs of industrial development, and the disclosed structural invention also has an unprecedented innovative structure, so it has a "novel" "Sex" should be considered, and the present invention can be more effective than the conventional structure, so it is also "progressive." It is fully in line with the patent law of my country regarding invention patents. The requirements of the application requirements are to file a patent application in accordance with the law, and we hope that the Bureau will review and affirm it as soon as possible.

1: Sleeve body

11: Socket hole

113: Anti-slip part

14: The third stage

3: Protection kit

32: grip section

321: force department

321A: Shallow slot area

321B: deep groove area

33: The first recognition area

34: Second recognition area

35: Ring stop bump

Claims (10)

A sleeve structure, which includes: A sleeve body provided with a socket hole from one end to the other end of the sleeve body, and the sleeve body is sequentially divided into a first stage, a second stage and a third stage from one end to the other end; A first stage is formed between the first stage and the second stage, and a second stage is formed between the second stage and the third stage; A stress ring, the set of which is set on the outer peripheral side of the first stage and abuts against the first stage, and the outer surface of the stress ring is arranged in line with the outer surface of the second stage; And a protection kit set on the sleeve body and surrounding the stress ring and the second stage, the protection kit abuts against the second stage, and the protection kit is connected with the stress ring and the second stage The outer surfaces of the two stages are in contact with each other, and the sleeve body can rotate in the protective cover, and the outer peripheral side of the protective cover is further provided with a grip section, and the grip section is provided with a plurality of Force department Wherein, the protection kit is set on the outside of the sleeve body to block collision with the wheel frame, and the grip section of the protection kit is held, and the wrench is assembled and driven to rotate the sleeve body During operation, the protective cover is held without rotating with the sleeve body, thereby protecting the use of the protective cover and at the same time preventing the sleeve body from being impacted. The sleeve structure of claim 1, wherein the plurality of force applying parts are respectively concave and spaced around the gripping section, and a central axis is defined in the socket hole, and each force applying part is It is arranged in the same direction as the central axis, and each force applying portion further includes a shallow groove area located at both ends and a deep groove area located between the two shallow groove areas, and the two shallow groove areas are connected to the deep groove area. For connected. The sleeve structure according to claim 2, wherein the groove surfaces of the two shallow groove regions and the deep groove region are further roughened surfaces. The sleeve structure of claim 1, wherein the plurality of force applying parts are respectively flat and interconnected planes, and the plurality of force applying parts are arranged in the holding section to form a hexagonal column shape, and each The connection between the force application parts is formed with corners. The sleeve structure according to any one of claims 1 to 4, wherein the protective sleeve is further provided with a first identification area corresponding to the first stage, and the first identification area is hollowed out, and the The protective package is further provided with a second identification area corresponding to the second stage, and the second identification area is the same as the first identification area is hollowed out; in addition, a ring is further recessed between the second stage and the second stage The locating ring groove is further protruding from the protection kit corresponding to the position of the locating ring groove with a snap ring, and the snap ring is inserted into the locating ring groove. The sleeve structure according to claim 5, wherein the hollow engraving of the first identification area can be characters, numbers, symbols, geometric figures, or any combination of the foregoing. The sleeve structure of claim 6, wherein the socket hole of the sleeve body is further divided into an upper hole section and a lower hole section, and the upper hole section is connected to the lower hole section In addition, the upper section of the hole section is further divided into a first hole section and a second hole section. The hole diameter of the first hole section is larger than the hole diameter of the second hole section. In addition, the second hole section The hole diameter of the section is greater than the hole diameter of the hole section in the lower zone. The sleeve structure of claim 7, wherein the top wall surface of the first aperture section of the upper section of the socket hole is further provided with a plurality of anti-slip parts, and each anti-slip part is arranged around the The edge of the orifice of the first aperture section, and each anti-slip part is designed in a tooth shape. The sleeve structure according to claim 8, wherein the top end of the stress ring is lower than the top end of the protection kit, and the top end of the protection kit further extends a ring stop protrusion toward the socket hole, and the ring stop protrusion The setting position of is higher than the opening of the socket hole, and the top end of the stress ring abuts against the ring blocking protrusion. According to the sleeve structure of claim 9, wherein the inner ring surface of the stress ring near the bottom end further protrudes with a locking convex ring block, and the outer peripheral surface of the first stage should be concave with a locking convex ring block. A connecting ring groove, the stress ring piece is positioned by the clamping convex ring block being clamped in the clamping ring groove.

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