CN212202772U - Spiral cover fixing structure - Google Patents
Spiral cover fixing structure Download PDFInfo
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- CN212202772U CN212202772U CN202020353206.3U CN202020353206U CN212202772U CN 212202772 U CN212202772 U CN 212202772U CN 202020353206 U CN202020353206 U CN 202020353206U CN 212202772 U CN212202772 U CN 212202772U
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- shaped limiting
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Abstract
The utility model provides a spiral cover fixing structure, which comprises a spiral cover and a fixed plate, wherein the fixed plate is connected with the spiral cover through a screwing structure; one surface of the rotary cover, which is opposite to the fixed plate, is an installation surface, and one side, which faces the installation surface, of the fixed plate is at least provided with two arc-shaped limiting grooves, and the arc-shaped limiting grooves are positioned on the same circle; the mounting surface is at least provided with two limiting columns, each limiting column corresponds to the arc-shaped limiting groove one by one, and the limiting columns are in sliding fit with the arc-shaped limiting grooves; the limiting column is provided with a screwing cover initial position located at one end of the arc-shaped limiting groove and a screwing cover fastening position located at the other end of the arc-shaped limiting groove, a limiting bulge is arranged on the side wall surface of the arc-shaped limiting groove, which is close to the circle center of the arc-shaped limiting groove, and the limiting bulge is arranged close to the screwing cover fastening position. The utility model discloses a spiral cover fixed knot constructs, it can avoid appearing the pine when vibrations and take off between spiral cover and the fixed plate betterly.
Description
Technical Field
The utility model relates to a mechanical connection technical field, concretely relates to spiral cover fixed knot constructs.
Background
As shown in fig. 1, in the prior art, the screw cap is usually fixed to the fixing plate by means of screw-thread fit, and generally, the screw cap is assembled to the fixing plate by screwing together with multiple sections of screw threads. However, after the screw cap and the fixing plate are assembled, only the friction force of the thread matching inclined plane 11 between the screw cap and the fixing plate is used for preventing the screw cap from falling off, and the thread matching inclined plane is arranged to facilitate the fastening of the fixing plate and the screw cap through rotation, but the arrangement has a disadvantage that when the component vibrates, the screw cap and the fixing plate are easily loosened along the thread matching inclined plane 11, so that the fixing between the screw cap and the fixing plate is failed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spiral cover fixed knot constructs to solve among the prior art problem that the easy pine takes off between spiral cover and the fixed plate.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a spiral cover fixing structure comprises a spiral cover and a fixing plate, wherein the fixing plate is connected with the spiral cover through a screwing structure; one surface of the rotary cover, which is opposite to the fixed plate, is a mounting surface, one side of the fixed plate, which faces the mounting surface, is at least provided with two arc-shaped limiting grooves, and the arc-shaped limiting grooves are positioned on the same circle; the mounting surface is provided with at least two limiting columns, each limiting column corresponds to the arc-shaped limiting groove one by one, and the limiting columns are in sliding fit with the arc-shaped limiting grooves; the limiting column is provided with a screwing cover initial position located at one end of the arc-shaped limiting groove and a screwing cover fastening position located at the other end of the arc-shaped limiting groove, the arc-shaped limiting groove is close to a limiting bulge which is arranged on the side wall surface of the circle center where the arc-shaped limiting groove is located, and the limiting bulge is close to the screwing cover fastening position.
Preferably, the screwing structure comprises at least two hooks arranged on the mounting surface, the fixing plate is provided with at least two arc-shaped fixing holes, and the arc-shaped fixing holes are positioned on the same circle and are concentric with the circle where the arc-shaped limiting groove is positioned; the clamping hooks are correspondingly matched with the arc-shaped fixing holes one by one; a first matching inclined plane is arranged on one side of the clamping hook and is close to the mounting surface; and a second matching inclined plane matched with the first matching inclined plane is arranged in the arc-shaped fixing hole.
Preferably, the number of the arc-shaped fixing holes and the number of the arc-shaped limiting grooves are three respectively.
Preferably, each of the arc-shaped fixing holes is uniformly distributed, and each of the arc-shaped limiting grooves is uniformly distributed.
Preferably, the arc-shaped fixing holes and the arc-shaped limiting grooves are arranged in a staggered mode.
Preferably, a first annular reinforcing rib is arranged on the mounting surface, and the limiting column is arranged on the first annular reinforcing rib.
Preferably, a second annular reinforcing rib is further arranged on the mounting surface, and the second annular reinforcing rib is concentric with the first annular reinforcing rib.
Preferably, the mounting surface is further provided with a reinforcing straight rib, and the reinforcing straight rib is connected with the first annular reinforcing rib and the clamping hook of the screw cap.
Preferably, the arc-shaped limiting groove is a blind groove.
Preferably, the limiting protrusion is an arc protrusion.
The beneficial effects of the utility model reside in that:
the utility model discloses a spiral cover fixed knot constructs, it can not only realize the fixed of spiral cover and fixed plate through screwing up the structure, can also be when the spiral cover is fastened, through the spacing arch of arc spacing inslot, carries on spacingly to the spacing post that lies in spiral cover fastening position to avoid screwing the structure when vibrations and appearing becoming flexible, thereby avoided appearing the pine between spiral cover and the fixed plate better and taken off, improved the reliability of being connected of spiral cover and fixed plate.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments are briefly introduced below, and the detailed description of the embodiments of the present invention is further described with reference to the drawings, wherein
FIG. 1 is a schematic view of a conventional screw cap fixing structure;
fig. 2 is a schematic view of a screw cap fixing structure according to an embodiment of the present invention;
fig. 3 is a schematic view of a fixing plate according to an embodiment of the present invention;
fig. 4 is another schematic view of a fixing plate according to an embodiment of the present invention;
fig. 5 is a schematic view of an arc-shaped limiting groove provided in an embodiment of the present invention;
fig. 6 is a schematic view of a screw cap according to an embodiment of the present invention;
fig. 7 is another schematic view of the screw cap according to the embodiment of the present invention.
In the drawings, the reference numbers:
11. thread fit inclined plane 21, fixing plate 22, arc-shaped fixing hole 23 and arc-shaped limiting groove
24. Limiting protrusion 31, rotary cover 32, hook 321 and first matching inclined plane
33. Limiting column 34, first annular reinforcing rib 35 and second annular reinforcing rib
36. Reinforced straight rib A, initial position B of screw cap and fastening position of screw cap
C. Screwing direction D of screw cap and inner circle of motion trail of limiting column
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific embodiments.
When the spiral cover is assembled with the fixed plate in the prior art, the spiral cover is assembled in a thread matching mode, the mode can realize convenient connection and disassembly of the spiral cover and the fixed plate, but after assembly, loosening can not be prevented from occurring between the spiral cover and the fixed plate under the vibration condition, and the spiral cover fixing structure of the application is designed for solving the problem.
As shown in fig. 2 to 7, an embodiment of the present invention provides a screw cap fixing structure, which includes a screw cap 31 and a fixing plate 21, wherein the fixing plate 21 is connected to the screw cap 31 through a screwing structure; one surface of the rotary cover, which is opposite to the fixing plate, is a mounting surface, one side of the fixing plate, which faces the mounting surface, is provided with at least two arc-shaped limiting grooves 23, and the arc-shaped limiting grooves 23 are positioned on the same circle; at least two limiting columns 33 are arranged on the mounting surface, each limiting column 33 corresponds to the arc-shaped limiting groove one by one, and the limiting columns 33 are in sliding fit with the arc-shaped limiting grooves 23; the limiting column 33 is provided with a screwing cover initial position A located at one end of the arc-shaped limiting groove 23 and a screwing cover fastening position B located at the other end of the arc-shaped limiting groove, the arc-shaped limiting groove is close to a limiting bulge 24 arranged on the side wall surface of the circle center where the arc-shaped limiting groove is located, and the limiting bulge 24 is close to the screwing cover fastening position B. It can be understood that the limiting projection 24 protrudes out of the outer surface of the inner circle D of the motion trail of the limiting column; the screwing structure is a structure which can realize the connection of the screw cap 31 and the fixing plate 21 by rotating the screw cap 31, such as a mutually matched thread structure, a matching structure of a clamping hook and an arc-shaped fixing hole and the like provided below the application. The initial screwing cap position A and the screwing cap fastening position B are sequentially positioned in the screwing direction C of the screwing cap; when the screw cap 31 just contacts the fixed plate 21, the limiting column 33 is located at the initial position of the screw cap; when the screw cap 31 is rotated until the screw cap 31 is fastened, the limiting column 33 slightly deforms and overcomes the resistance of the limiting protrusion 24 to reach the fastening position of the screw cap, the screw cap 31 is fastened through a screwing structure at the moment, and the limiting protrusion is in blocking connection with the limiting column, so that the limiting column 33 is prevented from returning to the initial position of the screw cap when vibrating.
The embodiment of the utility model provides a spiral cover fixed knot constructs, it can not only realize spiral cover 31 and fixed plate 21's fixed through the structure of screwing, can also be when spiral cover 31 is fastened, through the spacing arch of arc spacing inslot 23, spacing post 33 to lieing in spiral cover fastening position carries on spacingly to avoid when vibrations the structure of screwing to appear becoming flexible, thereby has avoided appearing taking off between spiral cover 31 and the fixed plate 21 to take off betterly, has improved the reliability of being connected of spiral cover and fixed plate.
In an embodiment of the present invention, the screwing structure may include at least two hooks 32 disposed on the mounting surface, at least two arc fixing holes 22 are disposed on the fixing plate 21, and each arc fixing hole 22 is located on the same circle and concentric with the circle where the arc limiting groove 23 is located; the clamping hooks are correspondingly matched with the arc-shaped fixing holes one by one; a first matching inclined surface 321 is arranged on one side of the clamping hook, and the first matching inclined surface 321 is arranged close to the mounting surface; a second matching inclined plane matched with the first matching inclined plane is arranged in the arc-shaped fixing hole 22. By adopting the scheme, when the screw cap 31 is rotated, the first matching inclined surface is matched with the second matching inclined surface, and the end part of the clamping hook with the first matching inclined surface is blocked with the wall surface of the arc-shaped fixing hole, so that the screw cap and the fixing plate can be conveniently fixed and detached; meanwhile, a rotary demolding structure like a thread feature is not needed, so that the structures of the forming mold of the screw cap and the fixing plate are simple.
Specifically, the number of the arc fixing holes 22 and the number of the arc limiting grooves 23 may be three, and it can be understood that the number of the hooks and the limiting columns corresponding to the arc fixing holes 22 and the arc limiting grooves 23 one to one is also three, so that the connecting position between the screw cap 31 and the fixing plate 21 is effectively increased, and the connecting firmness between the screw cap and the fixing plate is improved. It will be appreciated that for larger screw caps, the number of the hooks may be more than three, such as four or six, in order to ensure the tight fit between the edge of the screw cap and the fixing plate, and the number of the hooks is determined according to the actual use environment.
In order to make the stress of the screw cap 31 and the fixing plate 21 after being connected to each other more uniform, the arc fixing holes 22 may be uniformly distributed, and the arc limiting grooves 23 may be uniformly distributed.
In order to further improve the force uniformity of the screw cap 31 connected to the fixing plate 21, the arc fixing holes 22 and the arc limiting grooves 23 may be staggered with each other.
Further, the mounting surface may be provided with a first annular reinforcing rib 34, and the limiting column 33 is disposed on the first annular reinforcing rib 34, so that the strength of the screw cap 31 can be effectively improved, and meanwhile, the problem that the limiting column 33 is too long and is easily broken can be avoided.
In another embodiment of the present invention, a second annular reinforcing rib 35 may be further disposed on the mounting surface, and the second annular reinforcing rib 35 is concentric with the first annular reinforcing rib, so that the strength of the screw cap 31 is further enhanced.
As shown in fig. 6, in order to improve the strength of the screw cap 31, a reinforcing straight rib 36 may be further disposed on the mounting surface, and the reinforcing straight rib 36 connects the first annular reinforcing rib 35 and the hook of the screw cap 31.
As shown in fig. 4, the arc-shaped limiting groove 23 is a blind groove to better reduce the influence on the strength of the fixing plate 21, and also to make the fixing plate 21 and the screw cap 31 more beautiful after being fixed. It can be understood that the arc-shaped limiting groove can also be a through groove, but the fixed plate and the screw cap are slightly poor in attractiveness after being fixed.
As shown in fig. 5, it is preferable that the limiting protrusion 24 is an arc protrusion, so that a contact portion between the limiting post 33 and the limiting protrusion 24 is smooth, and the screw cap is convenient to mount and dismount. It can be understood that the diameter of the limiting column can be set according to the specific use environment; the longer the part of the limiting protrusion 24 in the arc-shaped limiting groove is, the better the limiting effect on the limiting column can be ensured, and the better the anti-loosening effect is; spacing arch 24 is close to spiral cover fastening position B and sets up, can utilize the contact between spacing post of spacing bellied surface and being located spiral cover fastening position, carries on spacingly to spacing post, avoids spacing post to break away from out spiral cover fastening position, because in case spacing post breaks away from out spiral cover fastening position and shows promptly that the pine takes place to take off between spiral cover and the fixed plate, also the assembly between spiral cover and the fixed plate is about to become invalid. When the limiting protrusion 24 is an arc protrusion, the two sides of the limiting protrusion and the arc limiting groove can be in smooth transition, so that the limiting protrusion 24 can be smoothly slid when the limiting column is in contact with the limiting protrusion, the clamping stagnation phenomenon cannot occur, the limiting column can be well prevented from being stressed too much, the possibility of fracture of the limiting column is greatly reduced, and the reliability of the spiral cover fixing device is improved. Of course, the limiting bulge is an arc bulge and is only a preferred scheme, the limiting bulge can be of other structures, the limiting bulge can limit the limiting column when vibrating, the limiting column is prevented from being separated from the fastening position of the screw cap, and the normal disassembly of the screw cap cannot be influenced.
The screw cap 31 provided by the embodiment of the present invention may further have two pulling holes for receiving fingers of an operator or other special tools, and as shown in fig. 2 and 6, the two pulling holes are arranged oppositely; of course, the number of the pulling holes can be four, and the four pulling holes are uniformly distributed in the circumferential direction of the screw cap, so that an operator can conveniently select and use the screw cap, the operator can conveniently rotate the screw cap, and the screw cap 31 and the fixed plate can be conveniently and quickly mounted and dismounted. And simultaneously, the embodiment of the utility model provides a structural part shaping is simple, and the gap between assembly back fixed plate and the spiral cover is little, does not influence the outward appearance, installs and removes swiftly conveniently, dismantles and also is difficult to cause the part to damage, and can prevent effectively that the situation that causes the assembly inefficacy to take place because of the pine of spiral cover takes off.
The above are only preferred embodiments of the present invention, and it should be noted that these examples are only used for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope defined by the claims attached to the present application.
Claims (10)
1. A spiral cover fixing structure comprises a spiral cover and a fixing plate, and is characterized in that the fixing plate is connected with the spiral cover through a screwing structure; one surface of the rotary cover, which is opposite to the fixed plate, is a mounting surface, one side of the fixed plate, which faces the mounting surface, is at least provided with two arc-shaped limiting grooves, and the arc-shaped limiting grooves are positioned on the same circle; the mounting surface is provided with at least two limiting columns, each limiting column corresponds to the arc-shaped limiting groove one by one, and the limiting columns are in sliding fit with the arc-shaped limiting grooves; the limiting column is provided with a screwing cover initial position located at one end of the arc-shaped limiting groove and a screwing cover fastening position located at the other end of the arc-shaped limiting groove, the arc-shaped limiting groove is close to a limiting bulge which is arranged on the side wall surface of the circle center where the arc-shaped limiting groove is located, and the limiting bulge is close to the screwing cover fastening position.
2. The screw cap fixing structure according to claim 1, wherein the screwing structure comprises at least two hooks disposed on the mounting surface, the fixing plate is provided with at least two arc-shaped fixing holes, and each arc-shaped fixing hole is located on the same circle and concentric with the circle where the arc-shaped limiting groove is located; the clamping hooks are correspondingly matched with the arc-shaped fixing holes one by one; a first matching inclined plane is arranged on one side of the clamping hook and is close to the mounting surface; and a second matching inclined plane matched with the first matching inclined plane is arranged in the arc-shaped fixing hole.
3. The screw cap fixing structure according to claim 2, wherein the number of the arc-shaped fixing holes and the number of the arc-shaped limiting grooves are three.
4. The screw cap fixing structure according to claim 2, wherein the arc-shaped fixing holes are uniformly distributed, and the arc-shaped limiting grooves are uniformly distributed.
5. The screw cap fixing structure according to claim 2, wherein the arc-shaped fixing holes and the arc-shaped limiting grooves are arranged alternately.
6. The screw cap fixing structure according to claim 1, wherein a first annular reinforcing rib is provided on the mounting surface, and the stopper column is provided on the first annular reinforcing rib.
7. The screw cap fixing structure according to claim 6, wherein a second annular reinforcing rib is further provided on the mounting surface, the second annular reinforcing rib being concentric with the first annular reinforcing rib.
8. The screw cap fixing structure according to claim 6, wherein a reinforcing straight rib is further provided on the mounting surface, and the reinforcing straight rib connects the first annular reinforcing rib and the hook of the screw cap.
9. The screw cap fixing structure according to claim 1, wherein the arc-shaped limiting groove is a blind groove.
10. The screw cap fixing structure according to claim 1, wherein the stopper protrusion is an arc-shaped protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020353206.3U CN212202772U (en) | 2020-03-19 | 2020-03-19 | Spiral cover fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020353206.3U CN212202772U (en) | 2020-03-19 | 2020-03-19 | Spiral cover fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202772U true CN212202772U (en) | 2020-12-22 |
Family
ID=73821780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020353206.3U Active CN212202772U (en) | 2020-03-19 | 2020-03-19 | Spiral cover fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202772U (en) |
-
2020
- 2020-03-19 CN CN202020353206.3U patent/CN212202772U/en active Active
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