Connecting piece and quick release structure

Abstract

The connecting piece comprises a driving part and a connecting part which are integrally arranged, the driving part is arranged at one end of the connecting part, a driving groove is formed in the end face, away from the connecting part, of the driving part, the driving groove is of an inwards-sunken structure, and the driving groove comprises a first groove body and a second groove body which are communicated with each other; the first groove body is located on the inner side, close to the connecting part, of the driving groove, the second groove body is located on the outer side of the first groove body, the cross section area of the first groove body is smaller than that of the second groove body, and a protruding step part is formed in the driving groove. According to the connecting piece, the appearance surface cannot be directly scratched, the appearance of the outer surface cannot be influenced by multiple operations, and the good appearance can be kept. The utility model further provides a quick release structure comprising the connecting piece.

Description

Technical Field

[0001] The utility model relates to the technical field of connection, in particular to a connecting piece and a quick-release structure. Background Art

[0002] A screw is a connecting fastener, mainly used to connect two workpieces together for fastening. The screw includes a screw rod at the bottom and a nut at the top. Threads are provided on the screw rod for fastening and connection. The nut is used to drive the screw rod. Usually, the outer diameter of the nut is larger than that of the stud for pressing and fixing profiles. The nut includes a cylindrical head, a spherical middle head, a flat round head, an oval head, a countersunk head, a semi-countersunk head, a semi-round head, a hexagon head, etc. Grooves for facilitating the operation of driving the screw rod are provided on the nut. The groove types include a slotted head, a Phillips head or an internal hexagonal groove and other different driving grooves. When loosening or tightening the screw, driving tools such as a flat-blade screwdriver, a Phillips screwdriver or an internal hexagonal screwdriver corresponding to the driving groove are required.

[0003] In daily life, smart phones and tablets have become essential communication and life tools for people. With the popularization of electronic devices, people's requirements for the performance, quality and cost of mobile phones and tablets are also getting higher and higher. On the one hand, users' requirements for the appearance of electronic devices continue to increase; on the other hand, due to cost control, it is necessary to design for the reuse of materials. And the assembly and disassembly of devices increasingly affect the difficulty of after-sales repair and the user experience of consumers. It is necessary to ensure the assembly and disassembly while keeping the appearance of the product intact.

[0004] In the prior art, for the screw used for connection, the conventional design is that the driving groove on the nut directly contacts the screwdriver without a gradient, and the direct contact occurs. When disassembling and assembling the screw, the screwdriver is inserted and rotated in the driving groove, and the driving groove directly bears the force, which is easy to cause scratching and affect the appearance. For the connecting screw rod of the quick-release structure of electronic devices, when detaching the plate from the middle frame, the connecting screw rod is rotated by operating the driving groove to further detach the plate from the middle frame. The driving groove directly bears the force, and multiple operations are also easy to cause scratching and affect the appearance.

[0005] Therefore, it is necessary to provide a connecting piece that will not directly scratch the appearance surface and will not affect the appearance after multiple operations. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a connecting piece that will not directly scratch the appearance surface and will not affect the appearance after multiple operations.

[0007] Another purpose of the utility model is to provide a quick-release structure that will not affect the appearance after multiple operations.

[0008] To achieve the above object, the present utility model provides a connecting member, which includes a driving part and a connecting part integrally arranged. The driving part is arranged at one end of the connecting part. A driving groove is formed on the end face of the driving part away from the connecting part. The driving groove is of an inwardly concave structure. The driving groove includes a first groove body and a second groove body that communicate with each other. The first groove body is located inside the driving groove near the connecting part, and the second groove body is located outside the first groove body. The cross-sectional area of the first groove body is smaller than that of the second groove body, and a protruding step portion is formed in the driving groove.

[0009] Compared with the prior art, the connecting member of the present utility model can be used to connect two or more components, and will not scratch the external appearance surface after multiple disassembly and assembly operations or multiple operations, can maintain a good appearance, and can meet people's appearance requirements and cost control requirements. The connecting member includes a driving part and a connecting part integrally arranged. The driving part is arranged at one end of the connecting part. The connecting part is used for connection, and the driving part is used to drive the connecting part to rotate, and the connecting part rotates to enable disassembly and assembly operations. A driving groove is formed on the end face of the driving part away from the connecting part. The driving groove is of an inwardly concave structure. The driving groove includes a first groove body and a second groove body that communicate with each other. The first groove body is located inside the driving groove near the connecting part, and the second groove body is located outside the first groove body. The cross-sectional area of the first groove body is smaller than that of the second groove body, and a protruding step portion is formed in the driving groove. It can be understood that the inner part of the driving groove is the first groove body, and the outer part is the second groove body. The contours of the first groove body and the second groove body are substantially the same, and the circumferential dimension of the first groove body is smaller than that of the second groove body. When a driving member such as a screwdriver or an internal hexagonal wrench acts on the driving groove of the driving part, it only contacts the inner first groove body, and the inner wall of the first groove body is stressed, while the second groove body does not directly contact the operating member, avoiding the contact with the force-applying part of the operating member, so as to maintain a good appearance of the second groove body. The connecting member of the present utility model will not directly scratch the appearance surface, and multiple operations will not affect the appearance of the outer surface, and can maintain a good appearance.

[0010] Preferably, a step surface is provided between the first groove body and the second groove body of the step portion. The step surface is inclined and contracted from outside to inside to facilitate the extension from the second groove body into the first groove body.

[0011] Preferably, a recess is formed at one end of the first groove body away from the second groove body and is recessed inward.

[0012] Preferably, a notch is provided on the end face of the driving part away from the connecting part of the driving groove, and the second groove body and the first groove body can be extended through the notch.

[0013] Preferably, one end of the second groove body near the notch is inclined and contracted from outside to inside to form a guiding portion for easy installation.

[0014] Preferably, the outer diameter of the driving part is larger than the outer diameter of the connecting part.

[0015] Preferably, the cross-section of the driving groove is in a shape of a straight line, or a cross, or a rice character, or a flower, or a star, or a polygon.

[0016] Preferably, the connecting part includes multiple connecting segments, and the sizes and shapes of the multiple connecting segments are different from each other.

[0017] Preferably, threads are evenly distributed on the connecting part.

[0018] To achieve the above-mentioned another object, the present invention further provides a quick-release structure, which is applicable to an electronic device. The electronic device includes a board and a middle frame. By means of the quick-release structure, the board can be detached from the middle frame. The quick-release structure includes the above-mentioned connecting piece, and further includes a cam, a reset piece and a positioning piece. The cam and the reset piece are arranged in the middle frame. The connecting piece sequentially passes through the cam and the reset piece in the middle frame and is positioned in the middle frame through the positioning piece; by means of an operating piece acting on the first groove body to drive the connecting piece to rotate in the middle frame and there is a gap between the second groove body and the operating piece.

[0019] Compared with the prior art, the quick-release structure of the present invention can conveniently and quickly detach the board from the middle frame, and multiple operations will not affect the appearance surface of the connecting piece. The quick-release structure includes a connecting piece, a cam, a reset piece and a positioning piece. The cam and the reset piece are arranged in the middle frame. The connecting piece sequentially passes through the cam and the reset piece in the middle frame and is positioned in the middle frame through the positioning piece. By means of an operating piece acting on the first groove body to drive the connecting piece to rotate in the middle frame and there is a gap between the second groove body and the operating piece. The operating piece can be a tool such as a screwdriver or an Allen wrench. The operating piece directly acts on the inner first groove body and does not directly contact the outer second groove body. The second groove body avoids the contact of the operating piece and is not stressed, so that the appearance of the second groove body can be kept good. The quick-release structure of the present invention can not only achieve quick release, but also multiple operations will not affect the appearance surface of the connecting piece. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 is a structural diagram of a connecting piece provided by an embodiment of the present invention.

[0022] Figure 2 is Figure 1 a partial cross-sectional view of

[0023] Figure 3 is a structural diagram of a connecting piece provided by another embodiment of the present invention.

[0024] Figure 4 is Figure 3 a partial sectional view of

[0025] Figure 5 is a structural diagram of a connecting member provided by another embodiment of the present utility model.

[0026] Figure 6 is Figure 5 a partial sectional view of

[0027] Figure 7 is a schematic structural diagram of a connecting member provided by an embodiment in an electronic device.

[0028] Figure 8 is a schematic structural diagram of a connecting member provided by an embodiment of the present utility model in an electronic device.

[0029] Description of reference numerals:

[0030] 1000, electronic device; 1001, quick-release structure;

[0031] 100, connecting member; 10, driving part; 101, driving groove; 11, first groove body; 12, second groove body; 13, step part; 14, notch; 15, guiding part; 16, recess; 20, connecting part; 21, connecting section;

[0032] 200, operating member. Detailed implementation manners

[0033] In order to describe in detail the technical content and structural features of the present utility model, the following further description is made in conjunction with the embodiments and with reference to the drawings.

[0034] Please refer to Figures 1 to 6, the present utility model provides a connecting member 100, and the connecting member 100 includes a driving portion 10 and a connecting portion 20 which are integrally provided. Among them, the driving portion 10 is arranged at one end of the connecting portion 20, the outer diameter of the driving portion 10 is larger than the outer diameter of the connecting portion 20, the connecting portion 20 is used for connection, and the driving portion 10 can not only be used to drive the connecting portion 20 but also be used to press and fix the connecting portion 20. Specifically, a driving groove 101 is formed on the end surface of the driving portion 10 away from the connecting portion 20, and the driving groove 101 has a structure that is recessed inward. The driving groove 101 includes a first groove body 11 and a second groove body 12 that are communicated with each other. The first groove body 11 is located inside the driving groove 101 close to the connecting portion 20, and the second groove body 12 is located outside the first groove body 11. That is, the first groove body 11 is located inside the entire driving groove 101, and the second groove body 12 is located outside the driving groove 101. The cross-sectional area of the first groove body 11 is smaller than the cross-sectional area of the second groove body 12 and a protruding step portion 13 is formed in the driving groove 101. Since the cross-sectional area of the first groove body 11 is smaller than the cross-sectional area of the second groove body 12, the inner wall of the first groove body 11 protrudes in the driving groove 101 to form the step portion 13. When the operating member 200 extends into the driving groove 101 to operate the driving portion 10, the operating member 200 contacts the first groove body 11 protruding inside, and the connecting member 100 is driven to rotate by the force received by the first groove body 11, so as to disassemble and assemble the connecting member 100 or the structure formed by the connecting member 100. The second groove body 12 does not contact the operating member 200 and the second groove body 12 is not stressed, so the second groove body 12 located outside will not be worn by the operating member 200, and the appearance of the outer part of the entire connecting member 100 will not be affected.

[0035] Compared with the prior art, the connecting member 100 of the present utility model can be a screw or other structures that can be used to connect two or more components. After being disassembled and assembled or operated multiple times, the connecting member 100 of the present utility model will not scratch the external appearance surface, can maintain a good appearance, and can meet people's appearance requirements and cost control requirements. The connecting member 100 includes a driving portion 10 and a connecting portion 20 that are integrally provided. The driving portion 10 is provided at one end of the connecting portion 20. The connecting portion 20 is used for connection, and the driving portion 10 is used to drive the connecting portion 20 to rotate, and the connecting portion 20 rotates to enable disassembly and assembly operations. A driving groove 101 is formed on the end surface of the driving portion 10 away from the connecting portion 20, and the driving groove 101 has a structure that is recessed inward. The driving groove 101 includes a first groove body 11 and a second groove body 12 that are communicated with each other. The first groove body 11 is located inside the driving groove 101 close to the connecting portion 20, and the second groove body 12 is located outside the first groove body 11. The cross-sectional area of the first groove body 11 is smaller than the cross-sectional area of the second groove body 12, and a protruding step portion 13 is formed in the driving groove 101. It can be understood that the inner part of the driving groove 101 is the first groove body 11, and the outer part is the second groove body 12. The contours of the first groove body 11 and the second groove body 12 are substantially the same, and the circumferential dimension of the first groove body 11 is smaller than the circumferential dimension of the second groove body 12. When a driving member such as a screwdriver or an inner hexagon wrench acts on the driving groove 101 of the driving portion 10, it only contacts the inner first groove body 11, and the inner wall of the first groove body 11 is stressed. The second groove body 12 does not directly contact the operating member 200, avoiding contact with the force-applying part of the operating member 200, so that the appearance of the second groove body 12 can be kept good. The connecting member 100 of the present utility model will not directly scratch the appearance surface, and multiple operations will not affect the appearance of the outer surface, and can maintain a good appearance.

[0036] Please refer to Figures 1 to 6 , in some alternative embodiments, a step surface is provided between the step portion 13 of the first groove body 11 and the second groove body 12. The step surface is inclined and contracted from the outside to the inside to facilitate the extension from the second groove body 12 into the first groove body 11. It can be understood that the step surface connects the first groove body 11 and the second groove body 12, and the step surface is inclined so as to provide a smooth transition between the second groove body 12 and the first groove body 11. On the other hand, the step surface is inclined and can be used to guide the operating member 200 to enter the first groove body 11 from the second groove body 12, and the inclined step surface will not cause the operating member 200 to get stuck at the step surface.

[0037] Please refer to Figures 1 to 4, in some alternative embodiments, a recess 16 that is recessed inward is provided at one end of the first groove body 11 away from the second groove body 12. By providing the recess 16, the operating member 200 has a certain operating space within the driving groove 101, which makes it more convenient for the operating member 200 to drive the entire connecting member 100 to rotate within the driving groove 101. On the other hand, providing the recess 16 can also reduce the wear of the operating member 200 on the driving groove 101.

[0038] Please refer to Figures 1 to 6 , in some alternative embodiments, a notch 14 is provided on the end face of the driving portion 10 away from the connecting portion 20 of the driving groove 101. Through the notch 14, the operating member 200 can extend into the second groove body 12 and the first groove body 11. It can be understood that the notch 14 can allow the operating member 200 to extend into the driving groove 101 to drive the entire connecting member 100. Specifically, one end of the second groove body 12 close to the notch 14 is tapered and contracted from the outside to the inside to form a guiding portion 15 that is convenient for installation. By providing the guiding portion 15, the operating member 200 can be better guided into the driving groove 101, making the operation more convenient.

[0039] Please refer to Figures 1 to 6 , in some alternative embodiments, the outer diameter of the driving portion 10 is larger than the outer diameter of the connecting portion 20 to better clamp and fix the connecting portion 20. Among them, the driving portion 10 can be one of a cylindrical shape, a hemispherical shape, a countersunk head shape, a hexagonal head shape, etc., and the specific structure of the driving portion 10 can be set according to actual use requirements. The driving groove 101 is opened on the driving portion 10. Specifically, the cross-section of the driving groove 101 is in a shape of a straight line, or a cross, or a rice shape, or a flower shape, or a star shape, or a polygon. The specific shape of the driving groove 101 can also be set according to actual use requirements.

[0040] Please refer to Figures 1 to 6 , in some alternative embodiments, the connecting portion 20 includes multiple connecting segments 21, and the sizes and shapes of the multiple connecting segments 21 are different from each other. Among them, when the connecting member 100 is a screw in the quick-release structure 1001, the multiple connecting segments 21 include a cylindrical mounting segment; the multiple connecting segments 21 also include a mating segment in a cuboid structure, and the mating segment is used to cooperate with the cam and the reset member; the multiple connecting segments 21 also include a positioning segment for positioning the connecting member 100. The specific number, structure, and use of the connecting segments 21 can be set according to actual use requirements. On the other hand, threads are evenly distributed on the connecting portion 20. Exemplarily, when the connecting member 100 is a screw, threads for connection are evenly distributed on the connecting portion 20. When the connecting member 100 is a screw, it can be used for connecting components in the electronic device 1000 or for other structures that need to be connected. The screw can be a self-tapping screw, a trapezoidal screw, a hexagonal flange bolt, a rivet, etc.

[0041] Please refer to Figure 7 andFigure 8 , the present utility model also provides a quick-release structure 1001, which is applicable to an electronic device 1000. The electronic device 1000 includes a board and a middle frame. The board can be detached from the middle frame by means of the quick-release structure 1001. Among them, the quick-release structure 1001 includes the above-mentioned connecting member 100, and also includes a cam, a reset member and a positioning member. The cam and the reset member are arranged inside the middle frame. The connecting member 100 sequentially passes through the cam and the reset member inside the middle frame and is positioned inside the middle frame by the positioning member. When it is necessary to disassemble the board from the middle frame, the operating member 200 extends into the driving groove 101 of the connecting member 100. The operating member 200 acts on the first groove 11 to drive the connecting member 100 to rotate inside the middle frame, and then drives the cam to rotate, so as to push the board away from the middle frame. And when the operating member 200 extends into the driving groove 101 for operation, there is a gap between the operating member 200 and the second groove 12, that is, the operating member 200 does not directly contact the second groove 12, and the appearance surface of the connecting member 100 will not be scratched.

[0042] Compared with the prior art, the quick-release structure 1001 of the present utility model can conveniently and quickly detach the board from the middle frame, and multiple operations will not affect the appearance surface of the connecting member 100. The quick-release structure 1001 includes a connecting member 100, a cam, a reset member and a positioning member. The cam and the reset member are arranged inside the middle frame. The connecting member 100 sequentially passes through the cam and the reset member inside the middle frame and is positioned inside the middle frame by the positioning member. By means of the operating member 200 acting on the first groove 11 to drive the connecting member 100 to rotate inside the middle frame and there is a gap between the second groove 12 and the operating member 200. The operating member 200 can be a tool such as a screwdriver or an Allen wrench. The operating member 200 directly acts on the inner first groove 11 and does not directly contact the outer second groove 12. The second groove 12 avoids the contact of the operating member 200 and will not be stressed, so that the appearance of the second groove 12 can be kept good. The quick-release structure 1001 of the present utility model can not only achieve quick release, but also multiple operations will not affect the appearance surface of the connecting member 100.

[0043] Such as Figures 1 to 8As shown, the connecting member 100 of the present utility model can be a screw or other structures that can be used to connect two or more components. After multiple disassembly and assembly operations or multiple operations, the connecting member 100 of the present utility model will not scratch the external appearance surface, can maintain a good appearance, and can meet people's appearance requirements and cost control requirements. The connecting member 100 includes a driving portion 10 and a connecting portion 20 integrally provided. The driving portion 10 is provided at one end of the connecting portion 20. The connecting portion 20 is used for connection, and the driving portion 10 is used to drive the connecting portion 20 to rotate, and the connecting portion 20 rotates to enable disassembly and assembly operations. The specific structures of the driving portion 10 and the connecting portion 20 can be set according to actual usage needs. A driving groove 101 is formed on the end surface of the driving portion 10 away from the connecting portion 20, and the specific shape of the driving groove 101 can also be set according to actual usage needs. The driving groove 101 includes a first groove body 11 and a second groove body 12 that communicate with each other. The first groove body 11 is located inside the driving groove 101 close to the connecting portion 20, and the second groove body 12 is located outside the first groove body 11. The cross-sectional area of the first groove body 11 is smaller than that of the second groove body 12 and forms a protruding step portion 13 in the driving groove 101. It can be understood that the inner part of the driving groove 101 is the first groove body 11, and the outer part is the second groove body 12. The contours of the first groove body 11 and the second groove body 12 are roughly the same, and the circumferential dimension of the first groove body 11 is smaller than that of the second groove body 12. When a driving member such as a screwdriver or an Allen wrench acts on the driving groove 101 of the driving portion 10, it only contacts the inner first groove body 11, and the inner wall of the first groove body 11 is stressed. The second groove body 12 does not directly contact the operating member 200, avoiding the contact with the force-applying part of the operating member 200, so that the appearance of the second groove body 12 can be maintained well. The connecting member 100 of the present utility model will not directly scratch the appearance surface, and multiple operations will not affect the appearance of the outer surface, can maintain a good appearance, and is applicable to the structural connection of electronic devices 1000 and other structures with appearance requirements.

[0044] The above-disclosed are only the preferred examples of the present utility model, and the scope of the rights of the present utility model cannot be limited thereby. Therefore, equivalent changes made according to the claims of the present utility model all fall within the scope covered by the present utility model.

Claims

1. A connector, characterized in that: It includes an integrally arranged driving portion and a connecting portion, the driving portion is arranged at one end of the connecting portion, a driving groove is provided on the end surface of the driving portion away from the connecting portion, the driving groove is an inwardly recessed structure, the driving groove includes a first groove body and a second groove body connected to each other, the first groove body is located on the inner side of the driving groove close to the connecting portion, the second groove body is located on the outer side of the first groove body, the cross-sectional area of ​​the first groove body is smaller than the cross-sectional area of ​​the second groove body and a protruding step portion is formed in the driving groove.

2. The connecting piece according to claim 1, characterized in that: The step portion is provided with a step surface between the first slot body and the second slot body, and the step surface is inclined and contracted from the outside to the inside so as to facilitate the second slot body to extend into the first slot body.

3. The connecting piece according to claim 1, characterized in that: An inwardly recessed recess is disposed in one end of the first slot body away from the second slot body.

4. The connector according to claim 1, characterized in that: The driving groove is provided with a notch on the end surface of the driving portion away from the connecting portion, and the second slot body and the first slot body can be extended into the notch.

5. The connecting piece according to claim 4, characterized in that: One end of the second slot body close to the slot opening is contracted and tilted from outside to inside to form a guide portion for easy installation.

6. The connector according to claim 1, characterized in that: An outer diameter of the driving portion is greater than an outer diameter of the connecting portion.

7. The connector according to claim 1, characterized in that: The cross section of the driving groove is in the shape of a straight line, a cross, a pound, a flower, a star, or a polygon.

8. The connector according to claim 1, characterized in that: The connecting portion includes a plurality of connecting segments, and the sizes and shapes of the plurality of connecting segments are different.

9. The connecting piece according to claim 1, characterized in that: The connecting part is evenly provided with threads.

10. A quick-release structure, applicable to an electronic device, the electronic device comprising a plate and a middle frame, the plate being detached from the middle frame by means of the quick-release structure, characterized in that: It includes the connecting piece as described in any one of claims 1 to 9, and also includes a cam, a reset piece and a positioning piece, the cam and the reset piece are arranged in the middle frame, the connecting piece passes through the cam and the reset piece in sequence in the middle frame and is positioned in the middle frame through the positioning piece; the operating piece acts on the first slot body to drive the connecting piece to rotate in the middle frame and there is a gap between the second slot body and the operating piece.

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