CN214788465U - Waterproof structure for countersunk head screw - Google Patents
Waterproof structure for countersunk head screw Download PDFInfo
- Publication number
- CN214788465U CN214788465U CN202121154291.1U CN202121154291U CN214788465U CN 214788465 U CN214788465 U CN 214788465U CN 202121154291 U CN202121154291 U CN 202121154291U CN 214788465 U CN214788465 U CN 214788465U
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- screw
- countersunk head
- countersunk
- shaped ring
- hole
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Abstract
The utility model discloses a waterproof structure for countersunk head screw, which mainly relates to the field of robot accessories; the anti-theft device comprises a counter bore and a counter screw, wherein the counter bore consists of a tapered hole and a round hole communicated with the tapered hole, an O-shaped ring is sleeved on the counter screw, and a step hole matched with the O-shaped ring is arranged in the tapered hole; the utility model discloses can guarantee the leakproofness of countersunk screw junction, can guarantee the stability of robot in the outdoor operation.
Description
Technical Field
The utility model relates to a robot accessory field specifically is a waterproof construction for countersunk screw.
Background
With the increasing automation and intelligence degree of intelligent products, the demand of people on intelligent robots is also increasing continuously, and the application scenes are more and more.
The counter sink screw is widely adopted in the manufacturing of the appearance of the intelligent robot on the current market to fix, the shell parts of the robot are connected together through the counter sink screw, but the existing counter sink screw does not have the matched appearance fixing part with higher waterproof grade, and when the robot is used outdoors, the moisture in the external environment can enter the inside of the shell of the robot through the gap between the counter sink screw and the counter sink, the waterproof performance of the counter sink screw directly influences the stability of the robot, especially, when the robot is disassembled and maintained, the counter sink screw is disassembled and then assembled, the gap between the counter sink screw and the counter sink is further enlarged, the waterproof performance is further reduced, and the stability of the robot in outdoor operation is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that exists among the prior art, provide a waterproof construction for countersunk screw, can guarantee the leakproofness of countersunk screw junction, can guarantee the stability of robot in outdoor operations.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides a waterproof construction for countersunk head screw, includes countersunk head hole, countersunk head screw, the countersunk head hole comprises bell mouth and the round hole that communicates with the bell mouth, the cover is equipped with O type circle on the countersunk head screw, be equipped with the step hole that suits with O type circle in the bell mouth.
Preferably, the O-shaped ring is a silica gel O-shaped ring.
Preferably, the O-ring is a rubber O-ring.
Contrast prior art, the beneficial effects of the utility model reside in that:
the utility model discloses the O type circle is established to the cover on current countersunk screw, and in the process of installation countersunk screw, the O type circle is extruded and is out of shape, can seal the clearance between countersunk screw and the counter sink, guarantees the leakproofness of countersunk screw junction; set up the step hole in the bell mouth of counter sink, O type circle is full of the clearance between step hole and the counter sink after the compression deformation, utilizes the interference compression volume of O type circle to guarantee the leakproofness, and O type circle is in the step hole, can not exert an influence to the installation of counter sink screw, can guarantee that the counter sink screw gets into the counter sink completely in, can guarantee the level and smooth of outward appearance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the structure of the counter bore.
The reference numbers in the drawings: 1. a countersunk hole; 2. countersunk screws; 3. an O-shaped ring; 4. a stepped bore.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
Example (b): as shown in the attached drawings 1-2, the utility model relates to a waterproof structure for a countersunk head screw, which comprises a countersunk head hole 1 and a countersunk head screw 2, wherein the countersunk head hole 1 is positioned on a first part 5, a threaded hole matched with the countersunk head screw 2 is arranged on a second part 6, the countersunk head hole 1 consists of a tapered hole 11 and a round hole 12 communicated with the tapered hole 11, the countersunk head screw 2 is sleeved with an O-shaped ring 3, a step hole 4 matched with the O-shaped ring 3 is arranged in the tapered hole 11, when the first part 5 and the second part 6 are fastened through the countersunk head screw 2, the countersunk head of the countersunk head screw 2 is screwed into the threaded hole from the countersunk head hole 1, in the process of screwing the countersunk head screw 2 into the threaded hole, the head of the countersunk head screw 2 is gradually contacted with the O-shaped ring 3, the O-shaped ring 3 is gradually extruded to deform, the O-shaped ring 3 is pressed and deformed to fill in the gap between the step hole 4 and the countersunk head screw 2, utilize the interference compression volume of O type circle 3 to guarantee the leakproofness, and O type circle 3 is in step hole 4, can not exert an influence to the installation of countersunk screw 2, can guarantee that countersunk screw 2 gets into countersunk hole 1 completely, can guarantee the level and smooth of outward appearance.
Preferably, in order to further improve the waterproof performance, the O-ring 3 is a silicone O-ring, and a rubber O-ring may also be used.
Preferably, matching the size of the stepped hole 4 and the O-ring 3 is an important point for improving the waterproof performance.
Claims (3)
1. The utility model provides a waterproof construction for countersunk screw, includes counter bore (1), countersunk screw (2), counter bore (1) comprises bell mouth (11) and round hole (12) that communicate with bell mouth (11), characterized by: the countersunk head screw (2) is sleeved with an O-shaped ring (3), and a stepped hole (4) matched with the O-shaped ring (3) is formed in the conical hole (11).
2. The waterproof structure for a countersunk head screw as claimed in claim 1, wherein: the O-shaped ring (3) is a silica gel O-shaped ring.
3. The waterproof structure for a countersunk head screw as claimed in claim 1, wherein: the O-shaped ring (3) is a rubber O-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121154291.1U CN214788465U (en) | 2021-05-26 | 2021-05-26 | Waterproof structure for countersunk head screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121154291.1U CN214788465U (en) | 2021-05-26 | 2021-05-26 | Waterproof structure for countersunk head screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788465U true CN214788465U (en) | 2021-11-19 |
Family
ID=78698201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121154291.1U Active CN214788465U (en) | 2021-05-26 | 2021-05-26 | Waterproof structure for countersunk head screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788465U (en) |
-
2021
- 2021-05-26 CN CN202121154291.1U patent/CN214788465U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |