CN219876444U - Screw anti-drop assembly structure and capstan remote controller - Google Patents
Screw anti-drop assembly structure and capstan remote controller Download PDFInfo
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- CN219876444U CN219876444U CN202320956109.7U CN202320956109U CN219876444U CN 219876444 U CN219876444 U CN 219876444U CN 202320956109 U CN202320956109 U CN 202320956109U CN 219876444 U CN219876444 U CN 219876444U
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- assembly structure
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000035515 penetration Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of screw anti-drop, in particular to a screw anti-drop assembly structure and a winch remote controller, comprising a shell, a cover body and screws; the shell and the cover body are fixedly connected through screws; the shell is provided with a screw connecting hole; screw perforations aligned with the screw connecting holes are formed in the cover body; a screw limiting part which protrudes radially along the circumferential inner wall of the screw through hole is arranged in the screw through hole, and a screw axial hole for axial movement of the screw is formed through the screw limiting part; the screw comprises a screw head, a connecting rod part and an external thread part; the connecting rod part is axially connected in the axial hole of the screw; the external thread part is positioned below the screw limiting part, and the external diameter of the external thread part is larger than the aperture of the screw axial hole. The utility model has the advantages that the external thread part of the screw is convenient to screw into the lower part of the screw limiting part, the connecting rod part can axially move in the screw axial hole, and the external thread part can be blocked by the screw limiting part, so that the screw can be effectively prevented from being separated from and lost.
Description
Technical Field
The utility model relates to the technical field of screw anti-drop, in particular to a screw anti-drop assembly structure and a winch remote controller.
Background
Screws are well known for use in a wide variety of products to secure one component to another. The existing winch remote controller is usually required to be provided with an openable and closable cover body, such as a battery cover body of the winch remote controller, the cover bodies are usually detachably fixed on the shell through screws, when the cover body is required to be opened, the screws are screwed out to detach the cover body from the shell, after the cover body is opened, the screws fall off from the cover body immediately, and therefore the screws are easy to lose, and inconvenience is brought to the follow-up cover body fixation.
In the existing winch remote controller, in order to prevent the screw from falling off from the cover body, after the screw is inserted into the through hole on the cover body, a special tool is used for clamping a check ring on the screw, the check ring is arranged on the inner side of the cover body, when the screw is screwed, the screw thread part of the screw is resisted through the check ring, so that the screw is prevented from falling off from the through hole of the cover body, the structure can achieve the purpose of preventing the screw from falling off, but the check ring clamped on the screw is required to be arranged on the inner side of the cover body, the structure is complex, and the installation process is complex.
Disclosure of Invention
The utility model aims to solve the technical problems that the existing screw anti-falling assembly structure is complex and the installation process is complicated, and provides the screw anti-falling assembly structure which is simple and convenient in structure and easy to assemble and disassemble.
The utility model aims at realizing the following technical scheme:
a screw anti-drop assembly structure comprises a shell, a cover body and screws; the shell and the cover body are fixedly connected through screws; the shell is provided with a screw connecting hole; the cover body is provided with screw perforations aligned with the screw connecting holes; a screw limiting part which protrudes radially along the circumferential inner wall of the screw through hole is arranged in the screw through hole, and a screw axial hole for axially moving the screw is formed through the screw limiting part; the screw comprises a screw head, a connecting rod part and an external thread part from top to bottom; the connecting rod part is axially connected in the screw axial hole; the external thread part is positioned below the screw limiting part, and the external diameter of the external thread part is larger than the aperture of the screw axial hole. This structure is convenient for screw in the external screw thread portion of screw to screw spacing below after, installs at screw spacing portion center through the connecting rod portion of screw to make connecting rod portion can carry out axial displacement in screw axial hole, can keep out external screw thread portion through screw spacing portion simultaneously, thereby can prevent that the screw from breaking away from screw spacing portion, and then can effectually prevent in dismouting screw in-process, cause the screw to break away from the phenomenon of losing, finally promote the convenience of screw dismouting.
Preferably, the screw limiting part is provided with a limiting notch. The screw limiting notch can facilitate the screw to be screwed down, prevent the screw limiting part from being screwed up or broken, and simultaneously facilitate the screw to be screwed in stably and effectively.
Preferably, the screw limiting part is provided with a plurality of limiting notches which are arranged at equal intervals. The screw limiting part is prevented from being twisted or broken when the screw is screwed down through the limiting notches, and meanwhile the screw is also convenient to screw stably and effectively.
Preferably, the screw limiting part is circumferentially provided with a circle of limiting inclined surface which is inclined from outside to center and from top to bottom, and the diameter of the screw axial hole is gradually reduced from top to bottom. The screw limiting part can be conveniently extruded by the limiting inclined plane when being screwed in, and can be conveniently deformed when being screwed in and extruded, so that excessive force is required when the screw is screwed in the external threaded part, and the screw is conveniently screwed in.
Preferably, the bottom surface of the screw limiting part is an annular horizontal surface. The bottom surface of the screw limiting part is convenient to comprehensively contact with the external thread part, so that the external thread part can be stopped more effectively, the anti-falling effect of the screw is further realized, and the screw is not easy to lose during installation,
Preferably, the screw perforation is stepped, and the screw perforation comprises a first stepped hole and a second stepped hole from top to bottom; the aperture of the first stepped hole is larger than that of the second stepped hole; the screw limiting part is arranged on the inner wall of the second stepped hole; when the screw is locked, the screw head of the screw is propped against the step surface between the first step hole and the second step hole. The screw perforation can effectively enable the screw head of the screw to be propped against the step surface through the step hole, so that the screw can be prevented from being screwed too deeply, and further the screw thread can be prevented from being screwed.
Preferably, an insert is fixedly arranged in the screw connecting hole; the insert is provided with a threaded connecting hole; and the external thread part of the screw is in threaded connection with the threaded connection hole. Install in the screw connecting hole through the inserts, can make inserts and screw carry out threaded connection to can further promote joint strength and connect the steadiness, also prevent the external screw thread portion of screw simultaneously and direct and casing threaded connection, because the casing is working of plastics life low, can further promote the life after connecting effect and multiple dismouting through the inserts.
Preferably, the insert is made of copper material. The copper insert has the characteristics of higher compressive strength, good tolerance and good ductility, so that the insert is stable, firm, stable and reliable, and has long application life.
A winch remote controller comprises the screw anti-drop assembly structure. The structure is applied to the winch remote controller, thereby facilitating the assembly of the winch remote controller and the battery replacement of the winch remote controller, and preventing the screw from being lost in the assembly or battery replacement process.
In summary, the utility model has the advantages that the check ring is not required to be clamped on the inner side of the cover body after the screw is installed, the screw can be limited by the screw limiting part only by screwing the screw into the screw axial hole, the structure is simple, the installation is easy, and the screw is prevented from being separated from and lost.
Drawings
Fig. 1 is a schematic structural view of the screw anti-drop assembly structure of the present utility model.
Fig. 2 is a plan view of the screw anti-drop mounting structure of the present utility model.
Fig. 3 is a cross-sectional view of the screw anti-drop mounting structure of the present utility model.
Fig. 4 is a plan view of a limit notch in the screw anti-drop fitting structure of the present utility model.
Fig. 5 is a plan view of two limit notches in the screw anti-drop fitting structure of the present utility model.
Wherein: 1. a housing; 11. a screw connection hole; 2. a cover body; 21. punching a screw; 211. a first stepped hole; 212. a second stepped hole; 213. a step surface; 22. a screw axial hole; 3. a screw; 31. a screw head; 32. a link portion; 33. an external thread portion; 4. a screw limit part; 41. limiting inclined planes; 42. a limit notch; 5. an insert; 51. and (5) connecting the holes by threads.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Example 1
As shown in fig. 1 to 3, a screw anti-drop assembly structure includes a housing 1, a cover 2, and a screw 3; the shell 1 and the cover body 2 are fixedly connected through a screw 3; the shell 1 is provided with a screw connecting hole 11; the cover body 2 is provided with screw perforations 21 aligned with the screw connection holes 11; a screw limiting part 4 which is radially protruded along the circumferential inner wall of the screw through hole 21 is arranged in the screw through hole 21, and a screw axial hole 22 for axially moving the screw 3 is formed through the screw limiting part 4; the screw 3 includes a screw head 31, a link portion 32, and an external thread portion 33 from top to bottom; the diameter of the connecting rod portion 32 is smaller than the aperture of the screw axial hole 22, so that the connecting rod portion 32 can be axially connected in the screw axial hole 22; the external thread portion 33 is located below the screw limit portion 4, and the external diameter of the external thread portion 33 is larger than the aperture of the screw axial hole 22. This structure is convenient for screw in the external screw thread portion 33 of screw 3 to screw spacing portion 4 below after, install at screw spacing portion 4 center through the connecting rod portion 32 of screw 3 to make connecting rod portion 32 can carry out axial displacement in screw spacing portion 4, can keep out external screw thread portion 33 through screw spacing portion 4 simultaneously, thereby can prevent that screw 3 from breaking away from screw spacing portion 4, and then can effectually prevent in dismouting screw 3 in-process, cause screw 3 to break away from the phenomenon of losing, finally promote the convenience of screw 3 dismouting.
As shown in fig. 4 and 5, the screw limiting portion 4 is provided with one or more limiting notches 42, the limiting notches 42 are radially arranged and open towards the center of the screw limiting portion 4, and the bottom of the opening of the limiting notch 42 extends to the inner wall of the screw through hole 21. As shown in fig. 5, two limiting notches 42 are provided on the screw limiting portion 4, and the two limiting notches 42 are symmetrically provided. Can further make things convenient for screw 3 when screwing in downwards through the spacing notch 42 of many places, prevent to twist the flowers or twist the crack with the spacing portion 4 of screw to prevent that screw 3 from the roll-off of the spacing portion 4 of screw, further promote the anticreep effect, also make things convenient for the stable effectual lid 2 of screwing in of screw 3 simultaneously.
As shown in fig. 1 to 3, the screw limiting portion 4 is circumferentially provided with a circle of limiting inclined surface 41 inclined from the outside to the center and from top to bottom, and the screw axial hole 22 is gradually reduced in diameter from top to bottom, so that the screw limiting portion 4 is formed in a variable cross-section shape, that is, from top to bottom, the diameter of the screw axial hole 22 is smaller as the screw limiting portion 4 is located further down. Can make things convenient for external screw thread portion 33 to extrude screw limit portion 4 when screwing in through spacing inclined plane 41, take place deformation when making things convenient for screw limit portion 4 to need too big power when can reducing screw in external screw thread portion 33, make things convenient for screw 3's screwing in, also can be direct in advance predeterminedly install screw 3 in lid 2 when producing, make screw 3 can't follow screw axial hole 22 and break away from, just so need not install in lid 2 through screw extrusion's mode, make convenient and fast more when assembling. The bottom surface of the screw limiting part 4 is an annular horizontal surface. The bottom surface of the screw limiting part 4 is convenient to fully contact with the external thread part 33, so that the external thread part 33 can be stopped more effectively, the anti-falling effect of the screw 3 is further realized, and the screw is not easy to lose during installation,
As shown in fig. 1 to 3, the screw penetration hole 21 is stepped, and the screw penetration hole 21 includes a first stepped hole 211 and a second stepped hole 212 from top to bottom; the aperture of the first stepped hole 211 is larger than that of the second stepped hole 212; the screw limiting part 4 is arranged on the inner wall of the second stepped hole 212; when the screw 3 is locked, the head 31 of the screw 3 abuts against the stepped surface 213 between the first stepped hole 211 and the second stepped hole 212. The screw penetration hole 21 is formed in a stepped hole so that the screw head 31 of the screw 3 can be effectively abutted against the stepped surface 213, thereby preventing the screw 3 from being screwed too deeply and further preventing the screw from being screwed.
As shown in fig. 1 to 3, the insert 5 is fixedly arranged in the screw connection hole 11; the insert 5 is made of copper material. The insert 5 made of copper material has the characteristics of higher compressive strength, good tolerance and good ductility, thereby further ensuring that the insert 5 is stable, firm, stable and reliable and has long application life. The insert 5 is provided with a threaded connection hole 51; the male screw portion 33 of the screw 3 is screwed to the screw-coupling hole 51. Install in screw connecting hole 11 through inserts 5, can make inserts 5 and screw 3 carry out threaded connection to can further promote joint strength and connect the steadiness, also prevent simultaneously that the external screw thread portion 33 of screw 3 from directly being connected with casing 1 screw thread, because casing 1 is working of plastics life low, can further promote the life after connecting effect and a lot of dismouting through inserts 5.
In summary, the advantage of this embodiment 1 is that the screw 3 can be limited by the screw limiting portion 4 without clamping the retainer ring on the inner side of the cover 2 after the screw 3 is installed, and the screw 3 is simply structured and easily installed by simply screwing the screw 3 into the screw axial hole 22, and the screw 3 is prevented from being lost.
Example 2
A winch remote controller comprising the screw anti-drop fitting structure in embodiment 1. The advantage of this embodiment 2 is that the structure is applied to the winch remote controller, thereby facilitating the assembly of the winch remote controller and the battery replacement of the winch remote controller, preventing the screw 3 from being lost during the assembly or battery replacement.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (9)
1. The screw anti-drop assembly structure comprises a shell (1), a cover body (2) and screws (3); the shell (1) is fixedly connected with the cover body (2) through a screw (3); the device is characterized in that a screw connecting hole (11) is formed in the shell (1); screw perforations (21) aligned with the screw connecting holes (11) are formed in the cover body (2); a screw limiting part (4) which is radially protruded along the circumferential inner wall of the screw through hole (21) is arranged in the screw through hole (21), and a screw axial hole (22) for axially moving the screw (3) is formed through the screw limiting part (4); the screw (3) comprises a screw head (31), a connecting rod part (32) and an external thread part (33) from top to bottom;
the connecting rod part (32) is axially movably connected in the screw axial hole (22); the external thread part (33) is positioned below the screw limiting part (4), and the external diameter of the external thread part (33) is larger than the aperture of the screw axial hole (22).
2. Screw anti-drop assembly according to claim 1, characterized in that the screw limit part (4) is provided with a limit notch (42).
3. The screw anti-drop assembly structure according to claim 1, wherein the screw limiting portion (4) is provided with a plurality of limiting notches (42), and the limiting notches (42) are arranged at equal intervals.
4. The screw anti-drop assembly structure according to claim 1, wherein the screw limiting part (4) is circumferentially provided with a circle of limiting inclined surface (41) which is inclined from outside to center and from top to bottom,
and the diameter of the axial hole (22) of the screw gradually decreases from top to bottom.
5. The screw anti-drop assembly structure according to claim 4, characterized in that the bottom surface of the screw limit part (4) is an annular horizontal surface.
6. The screw anti-drop assembly structure according to claim 1, characterized in that the screw penetration hole (21) is stepped, and the screw penetration hole (21) includes a first stepped hole (211) and a second stepped hole (212) from top to bottom; the aperture of the first stepped hole (211) is larger than that of the second stepped hole (212); the screw limiting part (4) is arranged on the inner wall of the second stepped hole (212); when the screw (3) is locked, the screw head (31) of the screw (3) is abutted against the step surface (213) between the first step hole (211) and the second step hole (212).
7. The screw anti-drop assembly structure according to claim 1, characterized in that the screw connection hole (11) is internally fixedly provided with an insert (5); the insert (5) is provided with a threaded connection hole (51);
an external thread part (33) of the screw (3) is in threaded connection with the threaded connection hole (51).
8. Screw anti-slip assembly according to claim 7, characterized in that the insert (5) is made of copper material.
9. A winch remote control, characterized by comprising the screw anti-drop assembly structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320956109.7U CN219876444U (en) | 2023-04-23 | 2023-04-23 | Screw anti-drop assembly structure and capstan remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320956109.7U CN219876444U (en) | 2023-04-23 | 2023-04-23 | Screw anti-drop assembly structure and capstan remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219876444U true CN219876444U (en) | 2023-10-20 |
Family
ID=88368938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320956109.7U Active CN219876444U (en) | 2023-04-23 | 2023-04-23 | Screw anti-drop assembly structure and capstan remote controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219876444U (en) |
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2023
- 2023-04-23 CN CN202320956109.7U patent/CN219876444U/en active Active
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| GR01 | Patent grant | ||
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