Electronic product housing fastener with anti-loosening structure

Abstract

The present invention relates to an electronic product housing fastener with an anti-loosening structure, comprising a bolt body, wherein an external thread is arranged on the outer circumference of the bolt body; a clamping assembly is installed at the lower end of a rotating groove, and the middle part of the lower end of the clamping assembly extends outwardly into the interior of a sliding groove; a rotating assembly is installed at the upper end of the rotating groove, and the rotating assembly is fixedly connected to the upper end of the clamping assembly, and the rotating assembly is configured so that when the bolt body is fully screwed into the threaded hole on the electronic product housing, the rotating assembly drives the clamping assembly to extend outward to press the inner side surface of the housing; the anti-loosening assembly is installed in the installation groove, and the anti-loosening assembly is configured to increase the friction between the bolt body and the housing; the clamping assembly and the rotating assembly provided by the present invention are used in conjunction with each other, and when the bolt body is fully screwed into the threaded hole on the housing, the rotating assembly drives the clamping assembly to press and fix the inner side surface of the housing.

Description

Technical Field

[0001] The present application relates to the technical field of fasteners, and in particular to an electronic product housing fastener with an anti-loosening structure. Background Art

[0002] Electronic product fasteners are widely used in various electronic products. These fasteners are not only used to connect and fix the shell components of electronic products, but also undertake important tasks such as transferring loads and protecting internal components. With the continuous development and innovation of electronic products, the requirements for the anti-loosening performance and reliability of fasteners are becoming higher and higher. Therefore, fastener manufacturers need to continuously develop new technologies, new materials and new processes to meet the rapid development needs of the electronic product industry.

[0003] The Chinese patent application with publication number CN117605750A and title “A High-Reliability Anti-Loosening Automotive Fastener” provides a limiting assembly, a tightening portion and a disassembly portion on the stud. In actual use, the stud can be normally threadedly connected to the corresponding threaded port by forward rotation of the tightening portion, and the limiting assembly limits the loosening of the stud to prevent it from loosening. During disassembly, the limiting assembly limits the loosening of the stud by reversely rotating the driving ring of the disassembly portion, so that the stud can be disassembled normally. The entire disassembly and assembly process is simple to operate, which solves the problem that it is difficult to strike a balance between anti-loosening and easy disassembly in existing automotive fasteners, and the entire disassembly and assembly process does not require other cumbersome disassembly and assembly steps.

[0004] The prior art of the above patent can also achieve the function of tightening and preventing loosening. However, firstly, when the above prior art is in use, it only adopts threaded connection for fixing. Threaded connection is prone to loosening due to vibration, and it cannot have the functions of threaded connection and compression fixation at the same time, which causes the bolt to loosen easily. Secondly, when the above prior art is in use, the bolt usually adopts direct rigid connection. When the bolt is subjected to vibration for a long time, it cannot absorb vibration energy, causing the bolt to loosen. Based on this, there is still room for improvement on the basis of the existing anti-loosening fasteners. Summary of the invention

[0005] In order to accurately realize the functions of accurate threaded connection and compression fixation of the electronic product housing and avoid the phenomenon of poor sealing effect caused by loosening of the housing, the present application provides an electronic product housing fastener with an anti-loosening structure.

[0006] The electronic product housing fastener with an anti-loosening structure provided in the present application adopts the following technical solution:

[0007] A fastener for an electronic product housing with an anti-loosening structure comprises a bolt body, the cross section of which is a T-shaped structure, an external thread is arranged on the outer circumference of the bolt body, a rotation groove is arranged inside the bolt body, sliding grooves connected to the rotation groove are evenly arranged on the outer side surface of the lower end of the bolt body, and a mounting groove is arranged at the lower end of the head of the bolt body; a clamping component is installed at the lower end of the rotating groove, and the middle part of the lower end of the clamping component extends outward to the inside of the sliding groove; a rotating component is installed at the upper end of the rotating groove, and the rotating component is fixedly connected to the upper end of the clamping component, and the rotating component is configured so that when the bolt body is completely screwed into the threaded hole on the electronic product housing, the rotating component drives the clamping component to extend outward to press the inner side of the housing; the anti-loosening component is installed in the mounting groove, and the end of the threaded hole on the electronic product housing is provided with a countersunk hole corresponding to the anti-loosening component, and the anti-loosening component is configured to increase the friction between the bolt body and the housing.

[0008] Furthermore, the clamping assembly includes a supporting frame, a positioning frame, an adjusting unit and a clamping unit. The supporting frame is arranged inside the rotating groove, and the supporting frame and the rotating groove are transitionally matched. The middle part of the supporting frame is a hollow structure, and the supporting frame is evenly provided with sliding grooves that penetrate through it. The positions of the sliding grooves correspond to the sliding grooves. A positioning frame is installed at the lower end of the supporting frame, and the positioning frame is a cross-shaped structure. A positioning groove that cooperates with the positioning frame is arranged inside the bolt body. An adjusting unit is installed inside the supporting frame through a bearing, and a clamping unit is arranged in the sliding groove, and the inner side of the clamping unit is connected to the adjusting unit.

[0009] Furthermore, the adjustment unit includes a threaded rod and a threaded seat. The threaded rod is installed inside the support frame through a bearing. The threaded rod is provided with an external thread. The threaded rod is connected to the threaded seat by threaded cooperation. The inner side of the clamping unit is installed on the threaded seat.

[0010] Furthermore, the clamping unit includes a connecting seat, a sliding frame, a telescopic spring, a clamping plate and a guide groove. The connecting seat is evenly installed on the outer side surface of the threaded seat, and the connecting seat is slidably set in the sliding groove. The interior of the connecting seat is a hollow structure, and a sliding frame is slidably set inside the connecting seat. The sliding frame is a T-shaped structure, and a telescopic spring is installed between the sliding frame and the connecting seat. A clamping plate is installed at the outer end of the sliding frame. Guide grooves are symmetrically arranged on the inner wall of the sliding groove, and the sliding frame is slidably set in the guide groove through a guide rod.

[0011] Furthermore, the clamping plate has a trapezoidal structure, mounting holes are symmetrically arranged on the clamping plate, the clamping plate is connected to the outer end of the sliding frame by screws, and anti-slip protrusions are evenly arranged on the upper surface of the clamping plate.

[0012] Furthermore, the rotating assembly includes a rotating ring, a clamping piece and a clamping groove. The rotating ring is installed at the upper end of the rotating groove. The rotating ring is connected to the upper end of the threaded rod. A hexagonal threaded mouth is provided at the upper end of the rotating ring. The clamping piece is symmetrically installed on the rotating ring. The clamping grooves are evenly provided on the inner side wall of the rotating groove. The clamping piece and the clamping grooves are clamped and matched with each other.

[0013] Furthermore, the clamping part includes a transverse groove, a vertical groove, a pressure block, a clamping block and a reset spring. The rotating ring is provided with a transverse groove and a vertical groove that are interconnected. The transverse groove and the vertical groove are arranged perpendicular to each other. A pressure block is slidably arranged in the vertical groove. The lower end of the pressure block is an inclined structure. A clamping block is slidably arranged in the transverse groove. An inclined surface that cooperates with the pressure block is provided in the middle of the clamping block. The outer side of the clamping block is a trapezoidal structure. The clamping block is clamped and matched with the clamping groove. A reset spring is installed between the inner side of the clamping block and the transverse groove.

[0014] Furthermore, the anti-loosening assembly includes a mounting plate, a locking rod, a connecting spring and a rotating gasket. The mounting plate is slidably arranged in the mounting groove. The middle part of the mounting plate is a hollow structure. Through holes are evenly arranged on the mounting plate. The locking rod is installed in the through hole. The upper end of the locking rod is fixedly connected to the bolt body, a connecting spring is arranged in the middle part of the locking rod, and a rotating gasket is arranged in the middle part of the mounting plate. The rotating gasket is rotatably connected to the mounting plate.

[0015] Furthermore, the thickness of the rotating gasket is greater than the thickness of the mounting plate, and friction protrusions are evenly arranged on the upper end surface of the rotating gasket and inside the mounting groove. The cross-section of the friction protrusion is a trapezoidal structure, and the inclination directions of the friction protrusions on the rotating gasket and the mounting groove are opposite.

[0016] Furthermore, insertion rods are evenly installed on the lower end surface of the rotating gasket, and insertion holes that cooperate with the insertion rods are evenly arranged on the countersunk hole.

[0017] In the above technical scheme, the present invention provides an electronic product housing fastener with an anti-loosening structure. The clamping assembly and the rotating assembly provided by the present invention are used in conjunction with each other. When the bolt body is completely screwed into the threaded hole on the housing, the rotating assembly drives the clamping assembly to clamp and fix the inner side of the housing. The bolt body can be accurately and tightly connected to the housing through the connection method of threaded connection and clamping and fixing, thereby effectively preventing the bolt body from loosening due to long-term vibration. At the same time, the anti-loosening assembly can further increase the friction between the bolt body and the housing to avoid loosening of the bolt body. Moreover, the anti-loosening assembly can also absorb part of the vibration energy, reduce the influence of vibration on the threaded connection, and further prevent the occurrence of loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of this application.

[0020] Figure 2 It is a bottom view structural diagram of the present application.

[0021] Figure 3 It is a schematic diagram of the cutaway structure of this application.

[0022] Figure 4 It is a schematic diagram of the half-section structure of the present application.

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the bolt body of the present application.

[0024] Figure 6 It is a schematic diagram of the half-section structure of the bolt body of the present application.

[0025] Figure 7 It is a three-dimensional structural schematic diagram of the clamping assembly of the present application.

[0026] Figure 8 It is a bottom structural schematic diagram of the clamping assembly of the present application.

[0027] Fig. 9 It is a schematic diagram of the half-section structure of the clamping assembly of the present application.

[0028] Fig.10 It is a three-dimensional structural schematic diagram of the clamping unit of the present application.

[0029] Fig.11 It is a three-dimensional structural schematic diagram of the rotating assembly of the present application.

[0030] Fig.12 It is a schematic diagram of the structure of the anti-loosening component of the present application.

[0031] Fig.13 It is a schematic diagram of the half-section structure of the anti-loosening component of the present application.

[0032] Fig.14 It is a bottom structural schematic diagram of the anti-loosening component of the present application.

[0033] Fig.15 It is a schematic diagram of the installation status of this application.

[0034] Explanation of the reference numerals: 1. bolt body; 11. rotating groove; 12. sliding groove; 13. mounting groove; 2. clamping assembly; 21. supporting frame; 22. positioning frame; 23. adjusting unit; 231. threaded rod; 232. threaded seat; 24. clamping unit; 241. connecting seat; 242. sliding frame; 243. telescopic spring; 244. clamping plate; 245. guide groove; 3. rotating assembly; 31. rotating ring; 32. snap-fit ​​piece; 321. transverse groove; 322. vertical groove; 323. pressure block; 324. clamping block; 325. reset spring; 33. snap-fit ​​groove; 4. anti-loosening assembly; 41. mounting plate; 42. locking rod; 43. connecting spring; 44. rotating gasket; 441. friction protrusion; 442. plug-in rod. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] See also Figure 1-15 , an electronic product housing fastener with an anti-loosening structure provided in an embodiment of the present invention comprises a bolt body 1, the cross section of the bolt body 1 is a T-shaped structure, an external thread is arranged on the outer circumference of the bolt body 1, a rotation groove 11 is arranged inside the bolt body 1, and a sliding groove 12 connected to the rotation groove 11 is evenly arranged on the outer side surface of the lower end of the bolt body 1, and a mounting groove 13 is arranged at the lower end of the head of the bolt body 1; a clamping component 2 is installed at the lower end of the rotation groove 11, and the middle part of the lower end of the clamping component 2 extends outward to the inside of the sliding groove 12; a rotating component 3 is installed at the upper end of the rotation groove 11, and the rotating component 3 is fixedly connected to the upper end of the clamping component 2, and the rotating component 3 is configured so that when the bolt body 1 is completely screwed into the threaded hole on the electronic product housing, the rotating component 3 drives the clamping component 2 to extend outward to press the inner side of the housing; an anti-loosening component 4 is installed in the mounting groove 13, and a countersunk hole corresponding to the anti-loosening component 4 is arranged at the end of the threaded hole on the electronic product housing, and the anti-loosening component 4 is configured to increase the friction between the bolt body 1 and the housing.

[0037] In the above technical scheme, when it is necessary to lock and fix the electronic product shell, the bolt body 1 is manually screwed with a wrench so that the bolt body 1 can pass through the threaded hole on the shell. When the bolt body 1 is gradually screwed in, the anti-loosening component 4 can cooperate with the countersunk hole at the end of the threaded hole. The anti-loosening component 4 acts as a gasket to prevent the bolt body 1 and the shell from loosening. When the bolt body 1 is completely screwed into the threaded hole on the electronic product shell, the rotating component 3 is manually driven to rotate with a wrench. The rotating component 3 drives the clamping component 2 to gradually move toward the inner side of the shell and gradually extend to the surroundings, so that the clamping component 2 can clamp the inner side of the shell. By first using a threaded connection to fix the connection of the shell and then clamping and fixing the shell by extrusion from the inside, the bolt body 1 can be effectively prevented from loosening due to the vibration generated by the electronic product, thereby improving the sealing of the electronic product.

[0038] It should be noted that when the bolt body 1 is gradually screwed into the threaded hole, the outer end of the clamping assembly 2 is completely retracted into the sliding groove 12, and the clamping assembly 2 will not extend to the external thread on the bolt body 1, so as to avoid the clamping assembly 2 affecting the accurate fit between the bolt body 1 and the threaded hole; when the bolt body 1 is completely screwed into the threaded hole, the rotating assembly 3 will drive the clamping assembly 2 to extend outward to clamp the inner side of the shell.

[0039] See also Figure 7-9 As shown, as the preferred technical solution of this embodiment, the clamping assembly 2 includes a support frame 21, a positioning frame 22, an adjusting unit 23 and a clamping unit 24. The support frame 21 is arranged inside the rotating groove 11, and the support frame 21 and the rotating groove 11 are transitionally matched. The middle part of the support frame 21 is a hollow structure, and the support frame 21 is evenly provided with sliding grooves that penetrate through, and the positions of the sliding grooves and the sliding grooves correspond to the sliding grooves 12. A positioning frame 22 is installed at the lower end of the support frame 21, and the positioning frame 22 is a cross-shaped structure. A positioning groove that cooperates with the positioning frame 22 is arranged inside the bolt body 1. An adjusting unit 23 is installed inside the support frame 21 through a bearing, and a clamping unit 24 is arranged in the sliding groove. The inner side of the clamping unit 24 is connected to the adjusting unit 23.

[0040] In the above technical solution, when the bolt body 1 is completely screwed into the threaded hole on the housing of the electronic product, the rotating component 3 is manually driven to rotate by a hexagonal wrench, and the rotating component 3 drives the adjusting unit 23 to rotate synchronously, and the rotating component 3 drives the clamping component 2 to gradually move toward the inner side of the housing and gradually extend to the surroundings, so that the clamping component 2 can accurately clamp and fix the inner side of the housing, avoiding the phenomenon of loosening of the housing due to only a single threaded connection, ensuring the sealing of the electronic product during use, and extending the use effect of the electronic product.

[0041] It should be noted that the support frame 21 can be accurately installed with the rotating groove 11. The support frame 21 is made of the same metal material as the bolt body 1. The support frame 21 can increase the rigidity and bending resistance of the bolt body 1, reduce the deformation of the bolt body 1 when subjected to force, improve the stability of the structure, enhance the bending resistance of the bolt body 1, and prevent the bolt body 1 from excessive bending or failure.

[0042] See also Fig. 9 As shown, as a preferred technical solution of this embodiment, the adjusting unit 23 includes a threaded rod 231 and a threaded seat 232. The threaded rod 231 is installed inside the support frame 21 through a bearing. The threaded rod 231 is provided with an external thread. The threaded rod 231 is connected to the threaded seat 232 by threaded matching. The inner side of the clamping unit 24 is installed on the threaded seat 232.

[0043] In the above technical solution, when the rotating component 3 is manually driven to rotate by a wrench, the rotating component 3 drives the threaded rod 231 to rotate synchronously, and the threaded rod 231 can drive the clamping unit 24 to move upward synchronously through the threaded seat 232. The clamping unit 24 can also extend outward from the inside of the sliding groove 12, so that the clamping unit 24 can accurately clamp and fix the inner side of the shell, and then the shell can be fixed by clamping after being fixed by threads, thereby avoiding the shell from loosening when it is vibrated for a long time, thereby improving the sealing effect of the shell.

[0044] See also Figure 9-10 As shown, as the preferred technical solution of this embodiment, the clamping unit 24 includes a connecting seat 241, a sliding frame 242, a telescopic spring 243, a clamping plate 244 and a guide groove 245. The connecting seat 241 is evenly installed on the outer surface of the threaded seat 232. The connecting seat 241 is slidably set in the sliding groove. The interior of the connecting seat 241 is a hollow structure. The sliding frame 242 is slidably set inside the connecting seat 241. The sliding frame 242 is a T-shaped structure. A telescopic spring 243 is installed between the sliding frame 242 and the connecting seat 241. A clamping plate 244 is installed at the outer end of the sliding frame 242. The guide groove 245 is symmetrically arranged on the inner wall of the sliding groove. The sliding frame 242 is slidably set in the guide groove 245 through a guide rod.

[0045] When the guide rod 230 moves upward from the vertical groove to the vertical groove, the guide rod 230 drives the sliding frame 242 to move upward synchronously through the connecting seat 241, and the sliding frame 242 is slidably arranged inside the connecting seat 241. The sliding frame 242 slides inside the guide groove 245 through the guide rod. When the guide rod moves upward from the vertical groove to the inclined groove, under the action of the inclined groove, the guide rod drives the pressing plate 244 to gradually expand and extend outward through the sliding frame 242, and the pressing plate 244 can then extend out from the sliding groove 12. When the guide rod moves upward from the inclined groove to the vertical groove, the pressing plate 244 can then press and fix the inner side of the shell to prevent the shell from loosening due to vibration of the electronic product, thereby improving the sealing effect of the shell installation.

[0046] It should be noted that when the sliding frame 242 slides in the vertical groove at the lower end of the slide groove through the guide rod, at this time, the outer end of the clamping plate 244 is completely retracted in the sliding groove 12, and the clamping plate 244 will not affect the bolt body 1 from being screwed into the threaded hole on the shell. When the sliding frame 242 slides in the vertical groove at the upper end of the slide groove through the guide rod, at this time, the outer end of the clamping plate 244 extends outward from the inside of the sliding groove 12, and the inner side of the shell can be clamped by the continued upward movement of the clamping plate 244 to ensure that the bolt body 1 will not loosen.

[0047] See also Fig.10 As shown, as the preferred technical solution of this embodiment, the clamping plate 244 has a trapezoidal structure, and mounting holes are symmetrically arranged on the clamping plate 244. The clamping plate 244 is connected to the outer end of the sliding frame 242 by screws, and the upper end surface of the clamping plate 244 is evenly provided with anti-slip protrusions.

[0048] In the above technical solution, the trapezoidal clamping plate 244 has good stability and can withstand a large vertical load. At the same time, when the clamping plate 244 presses the inner side of the shell, it can effectively disperse and resist the lateral force or torque to maintain the overall stability of the structure. At the same time, the anti-slip protrusion at the upper end of the clamping plate 244 can further increase the friction to ensure that the clamping plate 244 can accurately fit tightly against the inner side of the shell.

[0049] See also Fig.11As shown, as a preferred technical solution of this embodiment, the rotating assembly 3 includes a rotating ring 31, a clamping piece 32 and a clamping groove 33. The rotating ring 31 is installed at the upper end of the rotating groove 11. The rotating ring 31 is connected to the upper end of the threaded rod 231. The upper end of the rotating ring 31 is provided with a hexagonal screw mouth. The clamping piece 32 is symmetrically installed on the rotating ring 31. The clamping grooves 33 are evenly arranged on the inner side wall of the rotating groove 11. The clamping piece 32 and the clamping grooves 33 are clamped and matched with each other.

[0050] In the above technical solution, the rotating ring 31 is connected to the end of the threaded rod 231. When the rotating ring 31 rotates, the rotating ring 31 can drive the clamping unit 24 to clamp and fix the inner side of the shell through the threaded rod 231. The clamping piece 32 and the clamping groove 33 cooperate with each other to prevent the rotating ring 31 from reversing and avoid the phenomenon that the threaded rod 231 gradually loosens due to long-term vibration of the electronic product, so that the threaded rod 231 can drive the clamping unit 24 to keep clamping the inner side of the shell, ensuring that the bolt body 1 will not loosen.

[0051] It should be noted that when the rotating ring 31 is adjusted by the hex wrench, a pressure rod is symmetrically arranged on the hex wrench, and the pressure rod cooperates with the clamping piece 32. When the hex wrench squeezes the clamping piece 32 through the pressure rod, the clamping piece 32 will not be clamped and cooperated with the clamping groove 33. When the clamping piece 32 is reset, the clamping piece 32 can be accurately clamped with the clamping groove 33, thereby avoiding reversal of the rotating ring 31 and facilitating disassembly.

[0052] See also Fig.11 As shown, as a preferred technical solution of this embodiment, the clamping member 32 includes a transverse groove 321, a vertical groove 322, a pressure block 323, a clamping block 324 and a return spring 325. The rotating ring 31 is provided with a transverse groove 321 and a vertical groove 322 that are interconnected. The transverse groove 321 and the vertical groove 322 are arranged perpendicular to each other. A pressure block 323 is slidably arranged in the vertical groove 322. The lower end of the pressure block 323 is an inclined structure. A clamping block 324 is slidably arranged in the transverse groove 321. The middle part of the clamping block 324 is provided with an inclined surface that cooperates with the pressure block 323. The outer side of the clamping block 324 is a trapezoidal structure. The clamping block 324 is clamped and cooperated with the clamping groove 33. A return spring 325 is installed between the inner side of the clamping block 324 and the transverse groove 321.

[0053] In the above technical solution, the pressure rod on the hexagonal wrench corresponds to the position of the vertical groove 322. When the pressure rod moves downward to squeeze the pressure block 323, the pressure block 323 squeezes the clamping block 324, so that the clamping block 324 shrinks into the inside of the horizontal groove 321, and then the end of the clamping block 324 is not clamped with the clamping groove 33, which facilitates the rotation adjustment of the rotating ring 31.

[0054] See also Figure 12-14As shown, as the preferred technical solution of this embodiment, the anti-loosening component 4 includes a mounting plate 41, a locking rod 42, a connecting spring 43 and a rotating gasket 44. The mounting plate 41 is slidably arranged in the mounting groove 13. The middle part of the mounting plate 41 is a hollow structure. Through holes are evenly arranged on the mounting plate 41. The locking rod 42 is installed in the through hole. The upper end of the locking rod 42 is fixedly connected to the bolt body 1. A connecting spring 43 is arranged in the middle part of the locking rod 42. A rotating gasket 44 is arranged in the middle part of the mounting plate 41. The rotating gasket 44 is rotatably connected to the mounting plate 41.

[0055] In the above technical solution, the mounting plate 41 is fixed inside the mounting groove 13 by the locking rod 42, and the mounting plate 41 can slide along the length direction of the locking rod 42. When the bolt body 1 is gradually screwed into the threaded hole on the shell, the bolt body 1 drives the rotating gasket 44 to rotate synchronously. When the rotating gasket 44 gradually enters the countersunk hole at the end of the threaded hole, the rotating gasket 44 stops rotating and the bolt body 1 continues to rotate. The rotating gasket 44 can increase the contact area between the bolt body 1 and the shell, and at the same time can also reduce the clamping force of the bolt body 1 on the shell surface, thereby improving the stability and firmness of the connection between the bolt body 1 and the shell.

[0056] It should be noted that the mounting plate 41 and the rotating gasket 44 are slidably arranged on the locking rod 42 via the connecting spring 43, so that the rotating gasket 44 can absorb part of the vibration energy, reduce the influence of vibration on the threaded connection, and further prevent the occurrence of loosening.

[0057] See also Fig.13 As shown, as a preferred technical solution of this embodiment, the thickness of the rotating gasket 44 is greater than the thickness of the mounting plate 41, and friction protrusions 441 are evenly arranged on the upper end surface of the rotating gasket 44 and the inside of the mounting groove 13. The cross-section of the friction protrusion 441 is a trapezoidal structure, and the inclination direction of the rotating gasket 44 and the friction protrusion 441 on the mounting groove 13 are opposite.

[0058] In the above technical solution, the thickness of the rotating gasket 44 is greater than the thickness of the mounting plate 41, and the rotating gasket 44 can just be inserted into the countersunk hole at the end of the threaded hole. When the rotating gasket 44 enters the countersunk hole at the end of the threaded hole, the rotating gasket 44 stops moving, and the bolt body 1 continues to be screwed inward along the threaded hole, so that the distance between the rotating gasket 44 and the bolt body 1 gradually decreases. When the bolt body 1 is completely screwed into the threaded hole, the upper end surface of the rotating gasket 44 and the friction protrusion 441 inside the mounting groove 13 are engaged with each other, thereby increasing the friction force between the rotating gasket 44 and the bolt body 1, preventing the bolt body 1 from loosening due to vibration, and improving the sealing effect of the shell installation.

[0059] See also Fig.14As shown, as a preferred technical solution of this embodiment, the lower end surface of the rotating gasket 44 is evenly installed with an insertion rod 442, and the countersunk hole is evenly provided with a socket that matches the insertion rod 442.

[0060] In the above technical solution, when the bolt body 1 rotates, the rotating gasket 44 rotates synchronously with the bolt body 1. When the rotating gasket 44 enters the countersunk hole at the end of the threaded hole, the insert rod 442 will be accurately inserted into the insert hole. The insert rod 442 will then limit the rotation of the rotating gasket 44, thereby effectively increasing the friction between the upper end of the rotating gasket 44 and the bolt body 1, avoiding the loosening of the bolt body 1 and improving the tightening effect of the installation of the bolt body 1.

[0061] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An electronic product housing fastener with an anti-loosening structure, characterized in that: include: The bolt body (1) has a T-shaped cross section, an external thread is arranged on the outer circumference of the bolt body (1), a rotation groove (11) is arranged inside the bolt body (1), sliding grooves (12) connected to the rotation groove (11) are evenly arranged on the outer side surface of the lower end of the bolt body (1), and a mounting groove (13) is arranged at the lower end of the head of the bolt body (1); A clamping assembly (2) is mounted at the lower end of the rotating groove (11), and the middle portion of the lower end of the clamping assembly (2) extends outward to the inside of the sliding groove (12); A rotating assembly (3) is mounted on the upper end of the rotating groove (11), the rotating assembly (3) is fixedly connected to the upper end of the pressing assembly (2), and the rotating assembly (3) is configured such that when the bolt body (1) is completely screwed into the threaded hole on the housing of the electronic product, the rotating assembly (3) drives the pressing assembly (2) to extend outward to press the inner side surface of the housing; An anti-loosening component (4) is installed inside the installation groove (13), and a countersunk hole corresponding to the anti-loosening component (4) is provided at the end of the threaded hole on the housing of the electronic product. The anti-loosening component (4) is configured to increase the friction between the bolt body (1) and the housing; The clamping assembly (2) comprises a support frame (21), a positioning frame (22), an adjustment unit (23) and a clamping unit (24); the support frame (21) is arranged inside the rotating groove (11); the support frame (21) and the rotating groove (11) are transitionally matched; the middle part of the support frame (21) is a hollow structure; the support frame (21) is evenly provided with sliding grooves extending therethrough; the positions of the sliding grooves and the sliding grooves correspond to those of the sliding grooves (12); a positioning frame (22) is installed at the lower end of the support frame (21); the positioning frame (22) is a cross-shaped structure; a positioning groove matching the positioning frame (22) is arranged inside the bolt body (1); an adjustment unit (23) is installed inside the support frame (21) through a bearing; a clamping unit (24) is arranged in the sliding groove; the inner side of the clamping unit (24) is connected to the adjustment unit (23); The adjusting unit (23) comprises a threaded rod (231) and a threaded seat (232); the threaded rod (231) is installed inside the support frame (21) via a bearing; the threaded rod (231) is provided with an external thread; the threaded rod (231) is connected to the threaded seat (232) via a threaded fit; and the inner side surface of the pressing unit (24) is installed on the threaded seat (232); The clamping unit (24) comprises a connecting seat (241), a sliding frame (242), a telescopic spring (243), a clamping plate (244) and a guide groove (245); the connecting seat (241) is evenly installed on the outer surface of the threaded seat (232); the connecting seat (241) is slidably arranged in the sliding groove; the interior of the connecting seat (241) is a hollow structure; a sliding frame (242) is slidably arranged in the interior of the connecting seat (241); the sliding frame (242) is in a T-shaped structure; a telescopic spring (243) is installed between the sliding frame (242) and the connecting seat (241); a clamping plate (244) is installed at the outer end of the sliding frame (242); the guide groove (245) is symmetrically arranged on the inner wall of the sliding groove; the sliding frame (242) is slidably arranged in the guide groove (245) through a guide rod; The rotating assembly (3) comprises a rotating ring (31), a clamping piece (32) and a clamping groove (33); the rotating ring (31) is mounted on the upper end of the rotating groove (11); the rotating ring (31) is connected to the upper end of the threaded rod (231); a hexagonal screw hole is arranged on the upper end of the rotating ring (31); the clamping piece (32) is symmetrically mounted on the rotating ring (31); the clamping groove (33) is evenly arranged on the inner side wall of the rotating groove (11); the clamping piece (32) and the clamping groove (33) are clamped and matched with each other; The clamping member (32) comprises a transverse groove (321), a vertical groove (322), a pressure block (323), a clamping block (324) and a reset spring (325); the rotating ring (31) is provided with a transverse groove (321) and a vertical groove (322) which are connected to each other; the transverse groove (321) and the vertical groove (322) are arranged perpendicular to each other; a pressure block (323) is slidably arranged in the vertical groove (322); the lower end of the pressure block (323) is an inclined structure; a clamping block (324) is slidably arranged in the transverse groove (321); an inclined surface matching the pressure block (323) is arranged in the middle of the clamping block (324); the outer side of the clamping block (324) is a trapezoidal structure; the clamping block (324) is clamped and matched with the clamping groove (33); a reset spring (325) is installed between the inner side of the clamping block (324) and the transverse groove (321); The anti-loosening assembly (4) comprises a mounting plate (41), a locking rod (42), a connecting spring (43) and a rotating gasket (44); the mounting plate (41) is slidably arranged in the mounting groove (13); the middle of the mounting plate (41) is a hollow structure; through holes are evenly arranged on the mounting plate (41); locking rods (42) are installed in the through holes; the upper end of the locking rod (42) is fixedly connected to the bolt body (1); a connecting spring (43) is arranged in the middle of the locking rod (42); a rotating gasket (44) is arranged in the middle of the mounting plate (41); and the rotating gasket (44) is rotatably connected to the mounting plate (41); The thickness of the rotating gasket (44) is greater than the thickness of the mounting plate (41); friction protrusions (441) are evenly arranged on the upper end surface of the rotating gasket (44) and inside the mounting groove (13); the cross section of the friction protrusions (441) is a trapezoidal structure; and the friction protrusions (441) on the rotating gasket (44) and the mounting groove (13) are inclined in opposite directions; Insertion rods (442) are evenly mounted on the lower end surface of the rotating gasket (44), and insertion holes matching the insertion rods (442) are evenly arranged on the countersunk hole.

2. The electronic product housing fastener with an anti-loosening structure according to claim 1, characterized in that: The clamping plate (244) has a trapezoidal structure, and mounting holes are symmetrically arranged on the clamping plate (244). The clamping plate (244) is connected to the outer end of the sliding frame (242) through screws, and the upper end surface of the clamping plate (244) is evenly provided with anti-slip protrusions.

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