CN215109892U

CN215109892U - High-strength anti-loosening fastener for mobile phone

Info

Publication number: CN215109892U
Application number: CN202121385585.5U
Authority: CN
Inventors: 吴东沐; 吴玉丹
Original assignee: Kunshan Mingxindi Precision Hardware Manufacturing Co ltd
Current assignee: Kunshan Mingxindi Precision Hardware Manufacturing Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-10
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to a fastener technical field just discloses a high strength locking fastener for cell-phone, including upper part and lower part, the bottom of lower part is provided with the tensioning pipe, the upper part passes through fastening screw and is connected with lower part, ring groove has been seted up to fastening screw's side surface, the shifting chute has been seted up to fastening screw's inside, the inside swing joint of shifting chute has the cross to support the pole, the shifting chute supports the pole through the second spring and cross and is connected, the intercommunication groove has been seted up to the inner wall of shifting chute. This high strength locking fastener for cell-phone through last part, lower part, tensioning pipe, fastening screw, ring groove, shifting chute, cross support pole, second spring, intercommunication groove, adjust the pole and adjust mutually supporting between the nut, has reached the effect that prevents the screw pine and take off, has solved current fastener for cell-phone and has received after violent vibrations, the problem of easy pine and take off.

Description

High-strength anti-loosening fastener for mobile phone

Technical Field

The utility model relates to a fastener technical field specifically is a high strength locking fastener for cell-phone.

Background

The fastener is a mechanical part used for fastening connection, and can fasten and connect two or more parts into a whole, the fasteners for the mobile phone are mostly screws and nuts, but the screws are easy to loosen when the mobile phone body of the existing screws for the mobile phone is severely vibrated, and devices or shells in the mobile phone can be separated and fall off after the screws are loosened to a certain degree, so that the high-strength anti-loosening fastener needs to be developed to meet the anti-vibration requirement of the mobile phone.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high strength locking fastener for cell-phone possesses the advantage that prevents the screw pine and take off, has solved current fastener for cell-phone and has received the problem that violently shakes the back, easily pine takes off.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength locking fastener for cell-phone, includes upper segment and lower part, the bottom of lower part is provided with the taut tube, the upper segment passes through fastening screw and is connected with lower part, ring groove has been seted up to fastening screw's side surface, the shifting chute has been seted up to fastening screw's inside, the inside swing joint of shifting chute has the cross to support the pole, the shifting chute passes through the second spring and is connected with the cross to support the pole, the intercommunication groove has been seted up to the inner wall of shifting chute, the cross supports the inside swing joint of pole and intercommunication groove, the inside threaded connection of shifting chute has the regulation pole, the bottom of adjusting the pole supports with the top of cross to support the pole and holds, the top fixedly connected with adjusting nut of regulation pole, the cross groove has been seted up at adjusting nut's top, fastening screw's bottom and the internal connection of taut tube.

Preferably, the bottom end of the second spring is fixedly connected with the inner bottom wall of the moving groove, and the top end of the second spring abuts against the bottom end of the cross abutting rod.

Preferably, the top end of the fastening screw is provided with a hexagonal groove, the inner bottom wall of the hexagonal groove is provided with a rotating groove, and the adjusting nut is located inside the rotating groove.

Preferably, the inner wall of the moving groove is provided with an annular limiting groove, the side surface of the adjusting rod is fixedly sleeved with an annular limiting plate, and the annular limiting plate is located inside the annular limiting groove.

Preferably, the tensioning pipe comprises a pipe body, a first spring, an annular abutting block and a limiting ball, the top of the pipe body is fixedly connected with the bottom of the lower component, the pipe body is connected with the annular abutting block through the first spring, the side surface of the limiting ball abuts against the top of the annular abutting block, the side surface of the cross abutting rod is connected with the top of the annular abutting block, the bottom end of the fastening screw is located inside the pipe body, and the limiting ball is clamped with the inside of the annular clamping groove.

Preferably, the bottom end of the first spring is fixedly connected with the inner bottom wall of the tube body, and the top end of the first spring abuts against the bottom of the annular abutting block.

Compared with the prior art, the utility model provides a high strength locking fastener for cell-phone possesses following beneficial effect:

1. this high strength locking fastener for cell-phone through last part, lower part, tensioning pipe, fastening screw, ring groove, shifting chute, cross support pole, second spring, intercommunication groove, adjust the pole and adjust mutually supporting between the nut, has reached the effect that prevents the screw pine and take off, has solved current fastener for cell-phone and has received after violent vibrations, the problem of easy pine and take off.

2. This high strength locking fastener for cell-phone through fastening screw, shifting chute, adjust the pole, annular spacing groove and the annular limiting plate between mutually supporting, makes to adjust the pole and can only remove in the within range that the annular spacing groove allows under the effect of annular limiting plate, has reached the effect that prevents to adjust pole and fastening screw separation, has solved and has adjusted the pole and will lead to the problem that fastening screw can't separate with taut pipe with the fastening screw separation.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the fastening screw structure of the present invention;

fig. 5 is a top view of the fastening screw of the present invention.

Wherein: 1. an upper member; 2. a lower member; 3. tensioning the tube; 4. fastening screws; 5. a first spring; 6. an annular resisting block; 7. limiting balls; 8. an annular neck; 9. a moving groove; 10. a cross resisting rod; 11. a second spring; 12. a communicating groove; 13. adjusting a rod; 14. adjusting the screw cap; 15. a rotating groove; 16. an annular limiting groove; 17. an annular limiting plate; 18. a tube body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a high-strength anti-loose fastener for mobile phone comprises an upper component 1 and a lower component 2, wherein the upper component 1 and the lower component 2 are both parts in the mobile phone, a tension tube 3 is arranged at the bottom of the lower component 2, the upper component 1 is connected with the lower component 2 through a fastening screw 4, thread grooves are respectively arranged in the upper component 1 and the lower component 2, the side surface of the fastening screw 4 is in threaded connection with the inside of the thread groove, the tension tube 3 is positioned right below the thread groove, the fastening screw 4 can be divided into a main body and a pull rod, threads are turned on the side surface of the main body and are in threaded connection with the inside of the upper component 1 and the lower component 2, the pull rod plays a role of auxiliary fixation, is positioned and tensioned by a component in the tension tube 3, an annular clamping groove 8 is arranged on the side surface of the fastening screw 4, the annular clamping groove 8 is arranged at the connection position of the pull rod and the main body, the movable groove 9 is formed in the fastening screw 4, the cross abutting rod 10 is movably connected inside the movable groove 9, cantilever rods which are projected from four directions of the top of the cross abutting rod 10 are arranged in the front, back, left and right directions, the movable groove 9 is connected with the cross abutting rod 10 through a second spring 11, the bottom end of the second spring 11 is fixedly connected with the inner bottom wall of the movable groove 9, the top end of the second spring 11 abuts against the bottom end of the cross abutting rod 10, the second spring 11 is in a compression state, the inner wall of the movable groove 9 is provided with a communicating groove 12, the cross abutting rod 10 is movably connected with the communicating groove 12, the number of the communicating grooves 12 is four, and the four cantilever rods on the top end of the cross abutting rod 10 penetrate through the four communicating grooves respectively.

An adjusting rod 13 is connected with the inner part of the moving groove 9 through threads, an annular limiting groove 16 is formed in the inner wall of the moving groove 9, an annular limiting plate 17 is fixedly sleeved on the side surface of the adjusting rod 13, the annular limiting plate 17 is positioned inside the annular limiting groove 16, the annular limiting plate 17 and the annular limiting groove 16 play a role in limiting the lifting distance of the adjusting rod 13, the adjusting rod 13 can only move in the annular limiting groove 16, the depth of the annular limiting groove 16 is the same as the length of the communicating groove 12, the adjusting rod 13 can only move in a range allowed by the annular limiting groove 16 under the action of the annular limiting plate 17 through the mutual matching of the fastening screw 4, the moving groove 9, the adjusting rod 13, the annular limiting groove 16 and the annular limiting plate 17, the effect of preventing the adjusting rod 13 from being separated from the fastening screw 4 is achieved, and the problem that the fastening screw 4 cannot be separated from the tensioning pipe 3 due to the separation of the adjusting rod 13 and the fastening screw 4 is solved, the bottom of adjusting pole 13 supports with the top of cross support pole 10 and holds, the top fixedly connected with of adjusting pole 13 adjusts nut 14, cross recess has been seted up at the top of adjusting nut 14, the pointed end of cross screwdriver can insert the cross recess, adjust nut 14 through twisting, make and adjust pole 13 rotate, hexagonal groove has been seted up on fastening screw 4's top, hexagonal groove can supply hexagonal spanner to insert fixedly, so that drive fastening screw 4 rotates, rotation groove 15 has been seted up to hexagonal groove's inner diapire, adjust nut 14 is located the inside that rotates groove 15, the inside of rotating groove 15 communicates with the inside of shifting chute 9, the degree of depth that rotates groove 15 is the same with the length of intercommunication groove 12, the bottom of fastening screw 4 and the internal connection of taut pipe 3.

The tensioning tube 3 comprises a tube body 18, a first spring 5, an annular abutting block 6 and a limiting ball 7, the top of the tube body 18 is fixedly connected with the bottom of the lower component 2, the tube body 18 is connected with the annular abutting block 6 through the first spring 5, the bottom end of the first spring 5 is fixedly connected with the inner bottom wall of the tube body 18, the top end of the first spring 5 abuts against the bottom of the annular abutting block 6, the side surface of the limiting ball 7 abuts against the top of the annular abutting block 6, the side surface of the cross abutting rod 10 is connected with the top of the annular abutting block 6, the bottoms of four cantilever rods at the top of the cross abutting rod 10 all abut against the top of the annular abutting block 6, the bottom end of the fastening screw 4 is located inside the tube body 18, the fastening screw 4 is located inside the first spring 5, the limiting ball 7 is clamped with the inside of the annular clamping groove 8, the limiting ball 7 is clamped with the annular clamping groove 8 arranged on the side surface of the fastening screw 4 under the combined action of the first spring 5 and the annular abutting block 6, through the mutual matching among the upper component 1, the lower component 2, the tensioning pipe 3, the fastening screw 4, the annular clamping groove 8, the moving groove 9, the cross abutting rod 10, the second spring 11, the communicating groove 12, the adjusting rod 13 and the adjusting nut 14, the effect of preventing the screw from loosening is achieved, and the problem that the existing fastener for the mobile phone is easy to loosen after being subjected to severe vibration is solved.

When using, twist fastening screw 4 in the thread groove of two components earlier, be as an organic whole with two component connection, then continue to twist fastening screw 4, get into in body 18 until fastening screw's bottom, after fastening screw 4 moves down to the lower, spacing ball 7 can support under 6 combined action with the annular draw-in groove 8 joint of seting up with fastening screw 4 side surface at first spring 5 and annular, just accomplished the installation work of this fastener this moment, afterwards, when fastening screw 4 receives vibrations, first spring 5 gives spacing ball 7 ascending holding power and is far greater than the interference force of vibrations to spacing ball 7, so spacing ball 7 can always with the inside joint of annular draw-in groove 8, thereby played the effect that prevents fastening screw 4 and loosen because of vibrations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high strength check fastener for cell-phone, includes upper part (1) and lower part (2), its characterized in that: the bottom of the lower component (2) is provided with a tensioning pipe (3), the upper component (1) is connected with the lower component (2) through a fastening screw (4), the side surface of the fastening screw (4) is provided with an annular clamping groove (8), a moving groove (9) is formed in the fastening screw (4), a cross abutting rod (10) is movably connected in the moving groove (9), the moving groove (9) is connected with the cross abutting rod (10) through a second spring (11), a communicating groove (12) is formed in the inner wall of the moving groove (9), the cross abutting rod (10) is movably connected in the communicating groove (12), an adjusting rod (13) is connected in the moving groove (9) through internal threads, the bottom end of the adjusting rod (13) abuts against the top of the cross abutting rod (10), and an adjusting nut (14) is fixedly connected at the top end of the adjusting rod (13), the top of the adjusting nut (14) is provided with a cross groove, and the bottom end of the fastening screw (4) is connected with the inner part of the tensioning pipe (3).

2. The high-strength anti-loose fastener for the mobile phone as claimed in claim 1, wherein: the bottom end of the second spring (11) is fixedly connected with the inner bottom wall of the moving groove (9), and the top end of the second spring (11) is abutted against the bottom end of the cross abutting rod (10).

3. The high-strength anti-loose fastener for the mobile phone as claimed in claim 1, wherein: hexagonal groove has been seted up on the top of fastening screw (4), rotation groove (15) have been seted up to the inner diapire in hexagonal groove, adjusting nut (14) are located the inside in rotation groove (15).

4. The high-strength anti-loose fastener for the mobile phone as claimed in claim 1, wherein: an annular limiting groove (16) is formed in the inner wall of the moving groove (9), an annular limiting plate (17) is fixedly sleeved on the side surface of the adjusting rod (13), and the annular limiting plate (17) is located inside the annular limiting groove (16).

5. The high-strength anti-loose fastener for the mobile phone as claimed in claim 1, wherein: the tensioning pipe (3) comprises a pipe body (18), a first spring (5), an annular abutting block (6) and a limiting ball (7), the top of the pipe body (18) is fixedly connected with the bottom of the lower component (2), the pipe body (18) is connected with the annular abutting block (6) through the first spring (5), the side surface of the limiting ball (7) abuts against the top of the annular abutting block (6), the side surface of the cross abutting rod (10) is connected with the top of the annular abutting block (6), the bottom end of the fastening screw (4) is located inside the pipe body (18), and the limiting ball (7) is clamped with the inside of the annular clamping groove (8).

6. The high-strength anti-loose fastener for the mobile phone as claimed in claim 5, wherein: the bottom end of the first spring (5) is fixedly connected with the inner bottom wall of the tube body (18), and the top end of the first spring (5) is abutted against the bottom of the annular abutting block (6).