CN108626221B - Radio frequency module and shell structure and screw thread self-locking structure thereof - Google Patents
Radio frequency module and shell structure and screw thread self-locking structure thereof Download PDFInfo
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- CN108626221B CN108626221B CN201710169880.9A CN201710169880A CN108626221B CN 108626221 B CN108626221 B CN 108626221B CN 201710169880 A CN201710169880 A CN 201710169880A CN 108626221 B CN108626221 B CN 108626221B
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- 238000000034 method Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 235000005308 Pandanus Nutrition 0.000 abstract 1
- 241001175147 Pandanus cookii Species 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 6
- 230000005672 electromagnetic field Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002861 polymer material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/10—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device by a separate operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to a radio frequency module, a shell structure thereof and a thread self-locking structure. The threaded self-locking structure comprises a cylinder body, wherein a threaded hole is formed in the cylinder body, the end face of the cylinder body is sunken towards the threaded hole, a plurality of deformation grooves are formed in the outer wall of the cylinder body, and the deformation grooves are distributed along the circumferential direction of the cylinder body; a deformation part which can be extruded and deformed is formed between the deformation groove and the end surface; the end face is provided with an opening, the opening extends along the radial direction of the column body, and the opening is located between the two adjacent deformation grooves. During the process of screwing the screw, the deformation part is extruded, thereby generating expansion deformation. The deformation of the deformation part enables the threads on the inner wall of the threaded hole to generate small displacement, the gap between the threads and the threads of the screw is reduced, and the friction force is increased, so that the purpose of self-locking is achieved. Above-mentioned screw thread self-locking structure can prevent that threaded connection is not hard up, avoids the screw pine to take off, utilizes the screw thread self-locking structure to prevent not hard up moreover, simple structure, and the reliability is high, makes things convenient for the dismouting of screw.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a radio frequency module, a shell structure of the radio frequency module and a thread self-locking structure of the radio frequency module.
Background
The structure of the radio frequency module is a structure form frequently used in a communication system, and the main function of the radio frequency module is to control the induction and radiation of an electric field, a magnetic field and electromagnetic waves from one area to another area. The radio frequency module is used for surrounding components, circuits, cables and interference sources of the whole system, so that the outward diffusion of interference electromagnetic fields can be prevented; the radio frequency module is used for enclosing the receiving circuit, equipment or system to prevent the receiving circuit, equipment or system from being interfered by an external electromagnetic field.
The traditional radio frequency module structure is divided into a bottom plate and a cover plate, the cover plate and the bottom plate are locked through countersunk screws, and the cover plate is in direct contact with the bottom plate or in contact with the bottom plate through shielding glue. In actual use, the screw is often loosened, so that the structural sealing is not tight, electromagnetic waves leak out, and the use is influenced.
Disclosure of Invention
In view of the above, it is necessary to provide a radio frequency module capable of preventing the screw connection from loosening, a housing structure thereof, and a screw self-locking structure.
A thread self-locking structure comprises a column body, wherein a threaded hole is formed in the column body, the end face of the column body is recessed towards the threaded hole, a plurality of deformation grooves are formed in the outer wall of the column body, and the deformation grooves are distributed along the circumferential direction of the column body; a deformation part capable of being extruded and deformed is formed between the deformation groove and the end face; an opening is formed in the end face, the opening extends along the radial direction of the column body, and the opening is located between every two adjacent deformation grooves.
A shell structure comprises a first shell part, a second shell part, a screw and a thread self-locking structure;
the first shell is provided with a first hole which is a threaded blind hole; a second hole is formed in the second shell part and is a through hole; the screw comprises a head and a rod part communicated with the head, and the rod part is provided with an external thread;
the thread self-locking structure is fixedly connected with the first shell part, and the end face of the thread self-locking structure is abutted against the second shell part; or the thread self-locking structure is fixedly connected with the second shell part, and the end surface of the thread self-locking structure is abutted against the first shell part;
two ends of the threaded hole respectively correspond to the first hole and the second hole, and the rod part is positioned in the first hole, the threaded hole and the second hole and is in threaded connection with the first shell part, the thread self-locking structure and the second shell part; when the screw is tightened, the deformation portion can be pressed to deform.
A radio frequency module for enclosing electronic components, said radio frequency module comprising said housing structure; a cavity for accommodating the electronic component is formed between the first shell part and the second shell part; the electronic component and the thread self-locking structure are both positioned in the cavity.
Above-mentioned radio frequency module and shell structure and screw thread self-locking structure, at the in-process of screwing up the screw, deformation portion is extruded, and the outer fringe of deformation portion moves to the deformation groove to produce the expansion deformation. The deformation of the deformation part enables the threads on the inner wall of the threaded hole to generate small displacement, the gap between the screw and the threads is reduced, and the friction force is increased, so that the purpose of self-locking is achieved. The thread self-locking structure can prevent the threaded connection from loosening, avoid the loosening of the screw, enable the shell structure applying the thread self-locking structure not to be easy to loosen, and the shell structure can be tightly sealed, so that the electromagnetic wave leakage or the external electromagnetic wave interference is avoided. And the screw thread self-locking structure is utilized to prevent loosening, the structure is simple, the reliability is high, and the screw is convenient to disassemble and assemble.
Drawings
FIG. 1 is a perspective view of an RF module according to an embodiment;
FIG. 2 is a partial cross-sectional view of the RF module of FIG. 1;
FIG. 3 is a cross-sectional view of a threaded self-locking feature of the RF module of FIG. 1;
FIG. 4 is a perspective view of a threaded self-locking structure of the RF module shown in FIG. 1;
FIG. 5 is an enlarged partial view of the RF module of FIG. 2 with the screws not tightened;
FIG. 6 is an enlarged view of a portion of the RF module shown in FIG. 5;
FIG. 7 is an enlarged partial view of the RF module of FIG. 2 after the screws have been tightened;
fig. 8 is a partial enlarged view of the rf module shown in fig. 7 at B;
FIG. 9 is a perspective view of a threaded self-locking feature of an RF module in another embodiment;
fig. 10 is a partial cross-sectional view of a radio frequency module in yet another embodiment.
Detailed Description
As shown in fig. 1, the rf module 10 in an embodiment is used to surround an electronic component, which may be an interference source or a component that is prevented from being interfered by an external electromagnetic field. The electronic component may be a circuit, a cable, a communication device or a communication system, etc. The primary function of the rf module 10 is to control the induction and radiation of electric, magnetic and electromagnetic waves from one region to another. The radio frequency module 10 is used to surround components, circuits, cables and interference sources of the whole system, so that the interference electromagnetic field can be prevented from being diffused outwards. The surrounding of the receiving circuit, device or system by the rf module 10 protects them from external electromagnetic fields.
Referring also to fig. 2, the radio frequency module 10 includes a housing structure including a first housing part 100, a second housing part 200, a screw 300, and a screw self-locking structure 400. The first casing 100 has a first hole 120, and the first hole 120 is a blind threaded hole. The second shell portion 200 is formed with a second hole 220, the second hole 220 is a through hole, and the inner wall of the through hole may be threaded or not. The screw 300 includes a head 320 and a shank 340 in communication with the head 320, the shank 340 having external threads disposed thereon.
In the present embodiment, the thread self-locking structure 400 is fixedly connected to the first shell portion 100, and an end surface 424 of the thread self-locking structure 400 abuts against the second shell portion 200. In another embodiment, the screw self-locking structure 400 is fixedly connected with the second shell portion 200, and an end surface 424 of the screw self-locking structure 400 abuts against the second shell portion 200.
The two ends of the screw hole 422 correspond to the first hole 120 and the second hole 220, respectively, and the rod part 340 is positioned in the first hole 120, the screw hole 422 and the second hole 220 and is in threaded connection with the first shell part 100, the threaded self-locking structure 400 and the second shell part 200. The deformation portion 440 can be pressed to be deformed when the screw 300 is tightened. A cavity for accommodating electronic components is formed between the first and second case portions 100 and 200.
Referring to fig. 3 and 4, the thread self-locking structure 400 includes a cylinder 420, a threaded hole 422 is formed in the cylinder 420, an end surface 424 of the cylinder 420 is recessed toward the threaded hole 422, a plurality of deformation grooves 426 are formed in an outer wall of the cylinder 420, and the plurality of deformation grooves 426 are distributed along a circumferential direction of the cylinder 420. A deformable portion 440 is formed between the deformation groove 426 and the end surface 424 to be deformed by pressing. The end surface 424 is formed with an opening 428, the opening 428 extends along the radial direction of the cylinder 420, and the opening 428 is located between two adjacent deformation slots 426.
The screw self-locking structure 400 is fixedly connected with the first shell part 100, two ends of the screw hole 422 respectively correspond to the first hole 120 and the second hole 220, and the rod part 340 of the screw 300 is positioned in the first hole 120, the screw hole 422 and the second hole 220 and is in threaded connection with the first shell part 100, the screw self-locking structure 400 and the second shell part 200. An end surface 424 of the screw self-locking structure 400 abuts the second case portion 200, and the deformation portion 440 can be pressed and deformed when the screw 300 is tightened.
During the tightening of the screw 300, the deformation part 440 is pressed, and the outer edge of the deformation part 440 moves toward the deformation groove 426, thereby generating the expansion deformation. The deformation of the deformation part 440 causes the thread on the inner wall of the threaded hole 422 to generate a small displacement, so that the clearance between the thread and the thread of the screw 300 is reduced, and the friction force is increased, thereby achieving the purpose of self-locking. Referring to fig. 5 and 6, in the process of tightening the screw 300, the direction of the force applied to the deformation portion 440 by the second housing portion 200 is shown by an arrow F, the force causes the deformation portion 440 to slightly displace toward the deformation groove 426, and when the screw 300 is not tightened, a certain gap exists between the threads on the inner wall of the threaded hole 422 and the threads of the screw 300, and the threaded connection is easily loosened. Referring to fig. 7 and 8, the deformation direction of the deformation portion 440 is shown by an arrow P, after the screw 300 is tightened, the deformation portion 440 is expanded and deformed, the deformation portion 440 is deformed in the transverse direction and the longitudinal direction, and the threads on the inner wall of the threaded hole 422 and the threads of the screw 300 are pressed against each other. At this time, the thread on the inner wall of the threaded hole 422 and the thread of the screw 300 are reduced to increase friction, so that the threaded connection is not easy to loosen, and self-locking is realized.
The thread self-locking structure 400 can prevent the threaded connection from loosening, avoid the loosening of the screw 300, enable the shell structure applying the thread self-locking structure 400 not to be easy to loosen, and enable the shell structure to be tightly sealed, so as to avoid the leakage of electromagnetic waves or the interference of external electromagnetic waves. And the screw thread self-locking structure 400 is utilized to prevent loosening, the structure is simple, the reliability is high, and the screw 300 is convenient to disassemble and assemble. Compared with the traditional internal thread connecting column, the thread self-locking structure 400 of the embodiment is only provided with the deformation groove 426 on the side wall, and the end face 424 is provided with the opening 428 which is sunken towards the threaded hole 422, so that the anti-loosening self-locking structure can be realized, the structure is simple, and the processing is convenient. And can not produce more cooperation part, the reliability is high, makes things convenient for the dismouting. It is understood that the thread self-locking structure 400 can be not only applied to the housing structure of the present embodiment, but also the thread self-locking structure 400 can be widely applied to the threaded connection between two components in other embodiments.
In the embodiment of fig. 2, in a specific embodiment, the screw 300 is a countersunk screw, the first case portion 100 is generally a base plate of the rf module 10, and the second case portion 200 is generally a cover plate of the rf module 10. The first and second case portions 100 and 200 can be fastened, and a closed cavity for accommodating electronic components is formed between the first and second case portions 100 and 200 after fastening. In an embodiment, the first shell portion 100, the second shell portion 200 and the thread self-locking structure 400 may be made of an aluminum alloy material, which has good ductility and is easy to deform after being stressed. Of course, the thread self-locking structure 400 may also be made of other deformable metal materials, or may also be made of a polymer material with certain flexibility.
In another embodiment, the first hole 120 may be a through hole, and the second hole 220 may be a blind hole, as long as the end surface 424 can be pressed and deformed during the tightening process of the screw 300. In other embodiments, the housing structure of the present embodiment may be applied not only to the rf module 10, but also to other structures and devices such as a receiving box and a communication device.
In one embodiment, the cylinder 420 is a cylinder 420 or a prism 420, and the axis of the threaded hole 422 coincides with the center line of the cylinder 420, so that the structural strength of the threaded self-locking structure 400 is high and can bear a large pressing force. In the embodiment shown in fig. 4, the cylinder 420 is a cylinder 420, in other embodiments, the cylinder 420 may also have a hexagonal prism, an octagonal prism, or other prism 420 structure, and of course, if the structure of the cylinder 420 is not a regular cylinder 420 or prism 420, the technical effect of self-locking and anti-loosening may also be achieved.
Referring to fig. 4 and 5, in the present embodiment, the end surface 424 includes a plurality of planes 424a inclined toward the threaded hole 422, the planes 424a correspond to the deformation grooves 426 one to one, and the end surface 424 formed by the planes 424a is convenient for manufacturing. The end surface 424 is recessed toward the threaded hole 422 to provide a space for deformation of the deformation portion 440, and it is understood that the end surface 424 may also be recessed toward the threaded hole 422, for example, in another embodiment, the end surface 424 may also be in the shape of a side surface of a circular truncated cone, and an included angle between an axis of the circular truncated cone and a generatrix is 60 degrees to 85 degrees.
In this embodiment, the number of the deformation slots 426 is two, and the two deformation slots 426 are symmetrically distributed on two sides of the cylinder 420. Accordingly, in one embodiment, the number of the planes 424a inclined toward the screw hole 422 is also two. Further, in one embodiment, the bottom surfaces of the deformation slots 426 are planar and have long shapes, the extending direction of the bottom surfaces is perpendicular to the extending direction of the pillar 420, and the bottom surfaces of the two deformation slots 426 are parallel. The cross-section of the deformation slot 426 is a right trapezoid, the oblique waist of which is near the end surface 424. The deformation groove 426 is a straight groove, which facilitates processing. In one embodiment, the shape of the deformation slot 426 may be matched with the plane 424a inclined to the threaded hole 422, so that the deformation portion 440 is easily bent and deformed to facilitate installation.
Referring again to fig. 4, in one embodiment, the thickness of the deformation 440 relatively near the threaded hole 422 is greater than the thickness of the deformation 440 relatively far from the threaded hole 422. The thickness in this embodiment refers to the distance from the end surface 424 to the inner wall of the deformation groove 426 of the deformation portion 440, and in the embodiment where the cross section of the deformation groove 426 is a right trapezoid, the distance from the end surface 424 to the oblique waist of the deformation portion 440 is the same. The thickness of the part close to the threaded hole 422 is large, so that the strength of the structure can be guaranteed, the thickness of the part far away from the threaded hole 422 is small, the bending deformation is facilitated, and the installation is convenient.
Referring to fig. 3 and 4 again, in the present embodiment, the opening 428 may be a groove, and the cross section of the groove is rectangular, and in other embodiments, the cross section of the groove may also be other shapes such as triangle, trapezoid, etc., as long as when the deformation portion 440 is deformed, the opening 428 can be cracked, so that the deformation portion 440 can be smoothly deformed. Referring to fig. 9, in another embodiment, the opening 428 may be a slit. Further, in an embodiment, the center line of the opening 428 passes through the axis of the threaded hole 422, and the deformation portion 440 can be uniformly stressed and uniformly expanded and deformed, which is beneficial to improving the structural stability.
Referring to fig. 2 again, the second housing portion 200 is formed with a positioning groove 240 for accommodating the screw self-locking structure 400. Before screw 300 screws in, screw thread self-locking structure 400 can insert earlier in the constant head tank 240 with the location, makes things convenient for screw 300 to aim at, sets up improvement installation effectiveness that constant head tank 240 can be further. Referring to fig. 10, in another embodiment, the second housing portion 200 may not be provided with the positioning groove 240, and the end surface 424 of the thread self-locking structure 400 directly abuts against the inner wall of the second housing portion 200, so that the technical effect of self-locking and anti-loosening can also be achieved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A thread self-locking structure is characterized by comprising a column body, wherein a threaded hole is formed in the column body, the end face of the column body is recessed towards the threaded hole, a plurality of deformation grooves are formed in the outer wall of the column body, and the deformation grooves are distributed along the circumferential direction of the column body; a deformation part capable of being extruded and deformed is formed between the deformation groove and the end face; an opening is formed in the end face, the opening extends along the radial direction of the column body, and the opening is located between two adjacent deformation grooves; when the deformation part is extruded and deformed, the threads on the inner wall of the threaded hole are displaced; the thickness of the deformation part, which is relatively close to the threaded hole, is larger than the thickness of the deformation part, which is relatively far away from the threaded hole; the thickness refers to the distance from the end face of the deformation part to the inner wall of the deformation groove; the thread self-locking structure is independently arranged between the first shell part and the second shell part of the radio frequency module, so that a screw can be locked through the second hole of the second shell part, the threaded hole of the thread self-locking structure and the first hole of the first shell part.
2. The threaded self-locking structure according to claim 1, wherein the cylinder is a cylinder or a prism, and the axis of the threaded hole coincides with the center line of the cylinder.
3. The threaded self-locking structure according to claim 1, wherein the end face comprises a plurality of planes inclined toward the threaded hole, and the planes correspond to the deformation grooves one to one.
4. The thread self-locking structure according to claim 1, wherein the number of the deformation grooves is two, and the two deformation grooves are symmetrically distributed on two sides of the column body.
5. The threaded self-locking structure according to claim 4, wherein the bottom surfaces of the deformation grooves are planar, the bottom surfaces are elongated, the extension direction of the bottom surfaces is perpendicular to the extension direction of the columns, and the bottom surfaces of the two deformation grooves are parallel; the cross section of the deformation groove is in a right trapezoid shape, and the inclined waist of the right trapezoid is close to the end face.
6. The threaded self-locking structure according to any one of claims 1 to 5, wherein the opening is a slit or a groove, and a center line of the opening passes through an axis of the threaded hole.
7. A shell structure, comprising a first shell portion, a second shell portion, a screw and a threaded self-locking structure according to any one of claims 1 to 6;
the first shell is provided with a first hole which is a threaded blind hole; a second hole is formed in the second shell part and is a through hole; the screw comprises a head and a rod part communicated with the head, and the rod part is provided with an external thread;
the thread self-locking structure is fixedly connected with the first shell part, and the end face of the thread self-locking structure is abutted against the second shell part; or the thread self-locking structure is fixedly connected with the second shell part, and the end surface of the thread self-locking structure is abutted against the first shell part;
two ends of the threaded hole respectively correspond to the first hole and the second hole, and the rod part is positioned in the first hole, the threaded hole and the second hole and is in threaded connection with the first shell part, the thread self-locking structure and the second shell part; when the screw is tightened, the deformation portion can be pressed to deform.
8. The housing structure of claim 7, wherein the second housing portion defines a positioning slot for receiving the threaded self-locking structure.
9. A radio frequency module for enclosing electronic components, characterized in that the radio frequency module comprises a housing structure according to claim 7 or 8; a cavity for accommodating the electronic component is formed between the first shell part and the second shell part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169880.9A CN108626221B (en) | 2017-03-21 | 2017-03-21 | Radio frequency module and shell structure and screw thread self-locking structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169880.9A CN108626221B (en) | 2017-03-21 | 2017-03-21 | Radio frequency module and shell structure and screw thread self-locking structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108626221A CN108626221A (en) | 2018-10-09 |
| CN108626221B true CN108626221B (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169880.9A Active CN108626221B (en) | 2017-03-21 | 2017-03-21 | Radio frequency module and shell structure and screw thread self-locking structure thereof |
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| CN (1) | CN108626221B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600852B (en) * | 2021-08-19 | 2022-09-16 | 玉环图远机电有限公司 | Power tool apron |
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|---|---|---|---|---|
| GB276786A (en) * | 1926-07-10 | 1927-09-08 | John Wearham | Improvements in or relating to screws |
| DE3319244A1 (en) * | 1983-05-27 | 1984-11-29 | Lauer, Christine, 8770 Lohr | Self-locking nut, screw or threaded pin |
| EP0903508A1 (en) * | 1997-09-19 | 1999-03-24 | Illinois Tool Works Inc. | Undeformed lock nut with slot |
| CN203335586U (en) * | 2013-05-29 | 2013-12-11 | 苏州萃智新技术开发有限公司 | Self-locking nut |
| CN104421308A (en) * | 2013-08-20 | 2015-03-18 | 纬创资通股份有限公司 | Double-screw bolt, assembling structure and assembling method |
| CN105041830A (en) * | 2015-07-31 | 2015-11-11 | 苏州速腾电子科技有限公司 | Locknut |
| CN205278065U (en) * | 2016-01-12 | 2016-06-01 | 中航动力株洲航空零部件制造有限公司 | Self -locking nut |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201884424U (en) * | 2010-11-30 | 2011-06-29 | 海洋王照明科技股份有限公司 | Self-locking threaded sleeve |
-
2017
- 2017-03-21 CN CN201710169880.9A patent/CN108626221B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB276786A (en) * | 1926-07-10 | 1927-09-08 | John Wearham | Improvements in or relating to screws |
| DE3319244A1 (en) * | 1983-05-27 | 1984-11-29 | Lauer, Christine, 8770 Lohr | Self-locking nut, screw or threaded pin |
| EP0903508A1 (en) * | 1997-09-19 | 1999-03-24 | Illinois Tool Works Inc. | Undeformed lock nut with slot |
| CN203335586U (en) * | 2013-05-29 | 2013-12-11 | 苏州萃智新技术开发有限公司 | Self-locking nut |
| CN104421308A (en) * | 2013-08-20 | 2015-03-18 | 纬创资通股份有限公司 | Double-screw bolt, assembling structure and assembling method |
| CN105041830A (en) * | 2015-07-31 | 2015-11-11 | 苏州速腾电子科技有限公司 | Locknut |
| CN205278065U (en) * | 2016-01-12 | 2016-06-01 | 中航动力株洲航空零部件制造有限公司 | Self -locking nut |
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| CN108626221A (en) | 2018-10-09 |
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