CN220452457U - Lock subassembly and surveillance camera head - Google Patents
Lock subassembly and surveillance camera head Download PDFInfo
- Publication number
- CN220452457U CN220452457U CN202322180817.9U CN202322180817U CN220452457U CN 220452457 U CN220452457 U CN 220452457U CN 202322180817 U CN202322180817 U CN 202322180817U CN 220452457 U CN220452457 U CN 220452457U
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- China
- Prior art keywords
- sleeve
- bending section
- self
- metal cylinder
- tapping screw
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- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 238000010079 rubber tapping Methods 0.000 claims abstract description 36
- 238000005452 bending Methods 0.000 claims description 38
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- ZHBBDTRJIVXKEX-UHFFFAOYSA-N 1-chloro-2-(3-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1 ZHBBDTRJIVXKEX-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Structure And Mechanism Of Cameras (AREA)
- Lens Barrels (AREA)
Abstract
The utility model discloses a locking assembly and a monitoring camera, and relates to the field of screw locking structures. The metal cylinder is fixedly arranged in a plastic part to be locked in a pre-buried mode, and when the metal cylinder is used, the other assembly part is locked and fixed with the plastic part through the self-tapping screw and the sleeve matched with the metal cylinder. The screw hole of the existing plastic part is replaced by the metal cylinder part, so that the screw thread strength can be enhanced, the locking is ensured to be firm, and the locking is not easy to loosen. Simultaneously, utilize self-tapping screw to screw and carry out the compression deformation to telescopic butt spare, owing to but elastic recovery ability, the butt spare after the deformation can produce reaction force to metal drum spare and self-tapping screw, plays the elastic support effect that is similar to the spring to consolidate the threaded connection relation of self-tapping screw and metal drum spare, prevent that self-tapping screw from becoming flexible. In the monitoring camera, the lock assembly is utilized to assemble the mounting seat of the PCB and the lens.
Description
Technical Field
The utility model relates to the field of screw locking structures, in particular to a locking assembly and a monitoring camera.
Background
The casing of the existing monitoring camera and other devices is usually made of injection molded PC materials. During assembly, screw holes made of PC materials formed through injection molding are locked and fixed with other plates (such as Sensor plates in a monitoring camera) through self-tapping screws, and the screw holes made of PC materials are easy to deform, slide, crack and the like in the locking process, so that the locking is unstable, loose easily and cannot be repeated for many times.
Disclosure of Invention
The present utility model is directed to a lock assembly and a monitoring camera, which are aimed at overcoming the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the locking assembly comprises a metal barrel, self-tapping screws and a sleeve, wherein a plurality of elastically deformable abutting pieces are annularly arranged at one end of the sleeve, and internal threads matched with the self-tapping screws are arranged on the inner wall of the metal barrel; the metal cylinder part is fixedly embedded in the plastic part to be locked, the tapping screw penetrates through the sleeve and is connected with the metal cylinder part in a threaded mode, and the abutting part and the metal cylinder part are mutually abutted.
Further, the cross-sectional profile of the abutment is spoon-shaped.
Further, the abutting piece comprises a first bending section, a second bending section, a third bending section and a fourth bending section which are sequentially connected, and an internal corner I, an internal corner II and an internal corner III are sequentially formed; the first bending section is connected to the end part of the sleeve and extends upwards in an inclined mode towards the outer side of the sleeve, the second bending section extends upwards in an inclined mode towards the inner side of the sleeve, the third bending section extends upwards in an inclined mode towards the outer side of the sleeve, and the fourth bending section extends downwards in an inclined mode towards the outer side of the sleeve; the first internal angle is 90-100 degrees, the second internal angle is 70-80 degrees, and the third internal angle is 100-110 degrees.
Preferably, the first internal angle is 100 degrees, the second internal angle is 80 degrees, and the third internal angle is 110 degrees.
Preferably, the sleeve and the abutting piece are integrally formed, and are plastic products or alloy steel products.
Further, the number of the abutting pieces is four, six or eight.
The monitoring camera comprises a lens, a mounting seat and a PCB (printed circuit board), wherein one end of the mounting seat is detachably and fixedly connected with the lens, and the mounting seat is a plastic product; the lock assembly is characterized by further comprising a lock assembly with any structure as described above; the other end of the mounting seat is detachably and fixedly connected with the PCB through a plurality of locking assemblies, the metal cylinder is fixedly embedded in the mounting seat, a yielding groove for accommodating the abutting piece is formed at one end of the mounting seat, and the sleeve is embedded in the through hole of the PCB.
Compared with the prior art, the utility model has the beneficial effects that:
in one aspect of the utility model, the locking assembly includes a metal barrel, a self-tapping screw, and a sleeve. The metal cylinder is fixedly arranged in a plastic part to be locked in a pre-buried mode, and when the metal cylinder is used, the other assembly part is locked and fixed with the plastic part through the self-tapping screw and the sleeve matched with the metal cylinder. The metal cylinder is used for replacing the screw hole of the existing plastic part, so that the screw strength can be enhanced, the screw deformation, sliding teeth, cracking holes and the like are prevented, and further, the firmness of locking is ensured, and the loosening is not easy to occur. Simultaneously, utilize self-tapping screw to screw and carry out the compression deformation to telescopic butt spare, owing to but elastic recovery ability, the butt spare after the deformation can produce reaction force to metal drum spare and self-tapping screw, plays the elastic support effect that is similar to the spring to consolidate the threaded connection relation of self-tapping screw and metal drum spare, prevent that self-tapping screw from becoming flexible.
In the second embodiment of the present utility model, the abutting piece includes a first bending section, a second bending section, a third bending section, and a fourth bending section that are sequentially connected; after the abutting piece is deformed, the external threads of the self-tapping screw can be extruded by the edge angle formed by the second bending section and the third bending section, and even the concave part of the external threads is embedded, so that the self-tapping screw is further reinforced, loosening of the self-tapping screw is prevented, and the threaded connection relation between the self-tapping screw and the metal cylinder piece is reinforced.
In the third aspect of the present utility model, the abutting piece includes a first bending section, a second bending section, a third bending section and a fourth bending section which are sequentially connected, and sequentially forms an internal angle of first 90 ° to 100 °, an internal angle of second 70 ° to 80 °, and an internal angle of third 100 ° to 110 °. Because the reentrant corner II is less than the reentrant corner I, and reentrant corner three direction down, when the butt piece is pressed and is warp, the reentrant corner II of butt piece and reentrant corner three are more easy to warp than reentrant corner I, in other words, elastic supporting effect, first bending section and second bending section are based on supporting the atress, elastic deformation is as the assistance, and third bending section and fourth bending section then elastic deformation are based on, and supporting the atress is as the assistance to ensure that the butt piece has superior deformability, have superior supporting ability again, toughness is good.
Fourth, in the utility model, the monitoring camera comprises a lens, a mounting seat and a PCB, and the mounting seat and the PCB are assembled together through a locking assembly. The metal cylinder part of the locking assembly is fixedly embedded in the mounting seat, a yielding groove for accommodating the abutting part is formed at one end of the mounting seat, and the sleeve is embedded in the through hole of the PCB. Besides the advantages of the first to third locking components, the sleeve can split the clamping acting force of the tapping screw and the mounting seat on the PCB, and the PCB is prevented from being cracked due to the fact that the tapping screw is locked too tightly.
Drawings
FIG. 1 is a cross-sectional view of a lock assembly according to the present utility model. Wherein the broken line represents the external thread of the tapping screw.
Fig. 2 is a schematic structural view of a sleeve according to the present utility model.
Fig. 3 is a cross-sectional profile view of an abutment in accordance with the present utility model. Wherein the broken line indicates the changed abutment.
Fig. 4 is a cross-sectional view of a monitoring camera in the present utility model.
Fig. 5 is a partially enlarged schematic view of a monitoring camera according to the present utility model.
Detailed Description
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present utility model, but it will be apparent to one skilled in the art that the present utility model may be practiced without these details.
As shown in fig. 1-3, a locking assembly includes a metal barrel 1, a sleeve 2, and a self-tapping screw 3. Wherein the inner wall of the metal barrel 1 is provided with an internal thread 11 which is matched with the tapping screw 3. Preferably, the metal cylinder 1 is an alloy copper product. The cross-sectional profile of the outer wall of the metal cartridge 1 may be circular or regular polygonal, such as regular octagon. The tapping screw 3 is composed of a nut and an external thread section, and the specific structure is the same as that of the existing tapping screw, and will not be described here again.
As shown in fig. 1 to 3, one end of the sleeve 2, which is a regular polygonal tubular member, is annularly provided with eight elastically deformable abutment members 21.
As shown in fig. 1 to 3, the number of the abutment members 21 may be increased or decreased as needed, and may be three, four, five, six, … …, but is not limited to eight.
In one embodiment, as shown in fig. 1-3, the abutment member 21 and the sleeve 2 are integrally formed components, which may be plastic or alloy steel.
In addition, the abutting piece 21 and the sleeve 2 may be made of two different materials, for example, the abutting piece 21 is made of alloy steel, the sleeve 2 is made of plastic, the sleeve 2 is molded by casting, and the connecting end of the abutting piece 21 is fixedly embedded in the sleeve 2 in an inserting manner.
As shown in fig. 1-3, specifically, the cross-sectional profile of the abutment 21 is spoon-shaped, comprising a first bending section 211, a second bending section 212, a third bending section 213 and a fourth bending section 214 connected in sequence. The first bending section 211 is connected to an end of the sleeve 2 and extends obliquely upward toward the outside of the sleeve, the second bending section 212 extends obliquely upward toward the inside of the sleeve, the third bending section 213 extends obliquely upward toward the outside of the sleeve, and the fourth bending section 214 extends obliquely downward toward the outside of the sleeve. And the abutment 21 forms an internal corner a, an internal corner b, and an internal corner tri-c in this order. Wherein, the first internal angle is 90 degrees to 100 degrees, the second internal angle is 70 degrees to 80 degrees, and the third internal angle is 100 degrees to 110 degrees.
Preferably, the first internal angle is 100 degrees, the second internal angle is 80 degrees, and the third internal angle is 110 degrees.
As shown in fig. 1-3, in specific use, a metal cylinder 1 is fixedly embedded in a plastic part (not shown in the figure) to be locked in advance, then a tapping screw 3 passes through another assembly part (not shown in the figure) and a sleeve 2 and is connected with the metal cylinder 1 in a threaded manner, and the abutting part and the metal cylinder are mutually abutted. Of course, the sleeve 2 may be cylindrical, and is not limited thereto.
As shown in fig. 1-5, the utility model also discloses a monitoring camera, which comprises a lens 4, a mounting seat 5 and a PCB 6. Wherein, the one end detachably of mount pad 5 has set firmly camera lens 4, and mount pad 5 is the square of middle fretwork, and one end integrated into one piece is provided with middle fretwork's round platform 51, and camera lens 4 is through screw detachably set firmly in round platform 51. The other end of the mounting seat 5 is detachably and fixedly provided with a PCB 6 through four locking assemblies. In addition, the lens 4, the mounting seat 5 and the PCB board 6 are conventional components of the existing monitoring camera, and the specific structure thereof can refer to the prior art, and will not be described herein.
As shown in fig. 1 to 5, specifically, the mounting seat 5 is a plastic product molded by casting, preferably made of PC. In the casting molding process, the four metal cylinder pieces 1 are respectively and fixedly embedded at four corners of the mounting seat 5 as embedded parts, and the mounting seat 5 forms a yielding groove 52 for accommodating the abutting piece 21 at one end of the locking PCB 6, and the end face of the metal cylinder piece 1 is the bottom face of the yielding groove 52. Of course, the number of locking assemblies, i.e., the distribution position, can be adjusted as desired without undue limitation.
As shown in fig. 1-5, the metal cylinder 1 is fixedly embedded in the mounting seat 5. In the specific locking process, after the self-tapping screw 3 passes through the PCB 6, the sleeve 2 is sleeved on the self-tapping screw 3, and then the self-tapping screw 3 is rotated until the self-tapping screw is locked. At this time, the main body of the sleeve 2 is embedded in the through hole of the PCB 6, both ends of the sleeve 2 are respectively abutted against the nut of the tapping screw 3 and the mounting seat 5, and the abutment member 21 is elastically deformed in the relief groove 52.
The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a subassembly is paid to lock, includes metal barrel and self tapping screw, its characterized in that: the self-tapping sleeve further comprises a sleeve, a plurality of elastically deformable abutting pieces are annularly arranged at one end of the sleeve in a distributed mode, and internal threads matched with the self-tapping screw are formed in the inner wall of the metal cylinder; the metal cylinder part is fixedly embedded in the plastic part to be locked, the tapping screw penetrates through the sleeve and is connected with the metal cylinder part in a threaded mode, and the abutting part and the metal cylinder part are mutually abutted.
2. A lock assembly according to claim 1, wherein: the cross section profile of the abutting piece is spoon-shaped.
3. A lock assembly according to claim 2, wherein: the abutting piece comprises a first bending section, a second bending section, a third bending section and a fourth bending section which are sequentially connected, and an internal corner I, an internal corner II and an internal corner III are sequentially formed; the first bending section is connected to the end part of the sleeve and extends upwards in an inclined mode towards the outer side of the sleeve, the second bending section extends upwards in an inclined mode towards the inner side of the sleeve, the third bending section extends upwards in an inclined mode towards the outer side of the sleeve, and the fourth bending section extends downwards in an inclined mode towards the outer side of the sleeve; the first internal angle is 90-100 degrees, the second internal angle is 70-80 degrees, and the third internal angle is 100-110 degrees.
4. A lock assembly according to claim 3, wherein: the first internal angle is 100 degrees, the second internal angle is 80 degrees, and the third internal angle is 110 degrees.
5. A lock assembly according to any one of claims 1 to 4, wherein: the sleeve and the abutting piece are integrally formed and are plastic products or alloy steel products.
6. A lock assembly according to any one of claims 1 to 4, wherein: the number of the abutting pieces is four, six or eight.
7. The utility model provides a surveillance camera head, includes camera lens, mount pad and PCB board, the one end detachably fixedly connected with of mount pad the camera lens, the mount pad is plastic products, its characterized in that: further comprising a lock assembly according to any one of claims 1-6; the other end of the mounting seat is detachably and fixedly connected with the PCB through a plurality of locking assemblies, the metal cylinder is fixedly embedded in the mounting seat, a yielding groove for accommodating the abutting piece is formed at one end of the mounting seat, and the sleeve is embedded in the through hole of the PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322180817.9U CN220452457U (en) | 2023-08-14 | 2023-08-14 | Lock subassembly and surveillance camera head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322180817.9U CN220452457U (en) | 2023-08-14 | 2023-08-14 | Lock subassembly and surveillance camera head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452457U true CN220452457U (en) | 2024-02-06 |
Family
ID=89730758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322180817.9U Active CN220452457U (en) | 2023-08-14 | 2023-08-14 | Lock subassembly and surveillance camera head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452457U (en) |
-
2023
- 2023-08-14 CN CN202322180817.9U patent/CN220452457U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |