CN219111042U - Can strengthen joint formula annular filter screen of joint intensity - Google Patents
Can strengthen joint formula annular filter screen of joint intensity Download PDFInfo
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- CN219111042U CN219111042U CN202220999823.XU CN202220999823U CN219111042U CN 219111042 U CN219111042 U CN 219111042U CN 202220999823 U CN202220999823 U CN 202220999823U CN 219111042 U CN219111042 U CN 219111042U
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- end part
- filter screen
- clamping
- annular filter
- clamping protrusion
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Abstract
The utility model discloses a clamping type annular filter screen capable of enhancing connection strength, relates to the technical field of filter equipment accessories, and aims to solve the problem that the connection strength of an existing annular filter screen formed by connecting two ends is low. The technical scheme main points are that the plug comprises a first end part, a second end part and a folding part arranged between the first end part and the second end part, wherein a semicircular ring body is arranged between the first end part and the folding part and between the second end part and the folding part, the first end part comprises a slot structure, the second end part comprises a plug structure, and the two semicircular ring bodies rotate around the folding part to the slot structure to be in plug-in fit with the plug structure and form a complete circular body position. The utility model provides a clamping connection mode of an annular filter screen, which improves the connection strength and improves the competitiveness of the small filter screen product industry.
Description
Technical Field
The utility model relates to the technical field of filter equipment accessories, in particular to a clamping annular filter screen capable of enhancing connection strength.
Background
The existing annular filter screen needs to be connected with two ends to form a complete annular filter screen when in use, and the diameter of the filter screen is usually less than 2cm due to the small size, so that the firmness of connection is difficult to ensure by only utilizing the connection structure of the end parts after connection, and the end parts are easily separated and loosened in the use process, so that normal use is influenced.
Disclosure of Invention
The utility model aims to provide a clamping type annular filter screen capable of enhancing the connection strength, which has the effect of enhancing the connection strength of a small annular filter screen card connection part.
The above object of the present utility model is achieved by the following technical solutions:
the clamping type annular filter screen capable of enhancing the connection strength comprises a first end part, a second end part and a folding part positioned between the first end part and the second end part, wherein a semicircular ring body is arranged between the first end part and the folding part and between the second end part and the folding part, the first end part comprises a plug structure, the second end part comprises a slot structure, and the two semicircular ring bodies rotate around the folding part until the slot structure is in plug fit with the plug structure to form a complete circular body position;
the plug structure comprises an insertion part arranged at the first end part, a first clamping protrusion with a circular arc-shaped surface is arranged at one side of the insertion part, a concave first limiting surface is formed between the clamping protrusion and the semicircular ring body, the vertex of the first clamping protrusion is hooked to the first limiting surface, and a first smooth guide surface is arranged at one side of the insertion part, which is away from the clamping protrusion; the slot structure comprises a groove which is arranged on the second end part and corresponds to the insertion part, a second clamping protrusion and a second limiting surface which is connected with the second clamping protrusion are arranged on one side wall of the groove, the vertex of the second clamping protrusion is hooked towards the bottom wall of the groove, and the side wall of the groove opposite to the second clamping protrusion is a second smooth guide surface;
after the slot structure and the plug structure form a clamping connection, the first clamping protrusion and the second limiting surface and the second clamping protrusion and the first limiting surface are simultaneously matched in an embedded mode, and the first smooth guide surface is attached to the second smooth guide surface.
The utility model is further provided with: the second clamping protrusion is provided with an introduction surface which is smoothly transited from the outer side wall of the second end part to the vertex of the second clamping protrusion at the opening of the groove.
The utility model is further provided with: the first clamping protrusion, the second clamping protrusion, the first limiting surface, the second limiting surface, the first smooth guiding surface and the second smooth guiding surface extend along the axial direction of the clamping annular filter screen.
The utility model is further provided with: the easy-to-fold part is formed by recessing the outer surface of the clamping annular filter screen.
The utility model is further provided with: the surface of joint formula annular filter screen is provided with a plurality of depressed parts, the depressed part is provided with the filter mesh.
In summary, the beneficial technical effects of the utility model are as follows:
with the little filter screen buckle structure of traditional joint type different, the annular filter screen buckle structure of joint that this application provided is protruding for first card, the protruding, first spacing face of second card, unilateral that the spacing face of second constitutes colludes the structure, increases unilateral buckle's back-off volume, has strengthened the strong back-off degree of connection of the annular filter screen of joint, and first smooth guide surface and the smooth guide surface of second constitute unilateral cooperation smoothly simultaneously, have played the guide effect, reduce and insert joint resistance, have promoted little filter screen product trade competitiveness.
Drawings
FIG. 1 is a perspective view of a structure of an embodiment of the present utility model;
FIG. 2 is a front view of an embodiment of the present utility model;
fig. 3 is an enlarged schematic view of the portion a in fig. 2.
In the figure, 1, a first end; 11. an insertion section; 12. the first clamping protrusion; 13. a first limiting surface; 14. a first smooth guide surface; 2. a second end; 21. a groove; 22. the second clamping protrusion; 23. the second limiting surface; 24. a second smooth guide surface; 25. an introduction surface; 3. an easy-to-fold portion; 4. a semi-torus.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the clamping type annular filter screen capable of enhancing connection strength disclosed by the utility model comprises a first end part 1, a second end part 2 and a flexible part 3 positioned between the first end part 1 and the second end part 2, wherein a semicircular ring body 4 is arranged between the first end part 1 and the flexible part 3 and between the second end part 2 and the flexible part 3, the first end part 1 comprises a plug structure, the second end part 2 comprises a slot structure, and the two semicircular ring bodies 4 rotate around the flexible part 3 to be in plug-in fit with the plug structure to form a complete circular body position.
The plug structure comprises an insertion part 11 arranged at the first end part 1, a first clamping protrusion 12 with a circular arc-shaped surface is arranged on one side of the insertion part 11, a concave first limiting surface 13 is formed between the clamping protrusion and the semicircular ring body 4, the vertex of the first clamping protrusion 12 is hooked to the first limiting surface 13, and a first smooth guide surface 14 is arranged on one side of the insertion part 11 away from the clamping protrusion.
The slot structure comprises a groove 21 which is arranged on the second end part 2 and corresponds to the insertion part 11, a second clamping protrusion 22 and a second limiting surface 23 which is connected with the second clamping protrusion 22 are arranged on one side wall of the groove 21, the vertex of the second clamping protrusion 22 is hooked towards the bottom wall of the groove 21, and the side wall of the groove 21 opposite to the second clamping protrusion 22 is a second smooth guide surface 24.
In this embodiment, the first engaging protrusion 12 and the first limiting surface 13 are located on the outer side wall of the insertion portion 11, the first smooth guiding surface 14 is located on the inner side wall of the insertion portion 11, and the second engaging protrusion 22, the second limiting surface 23 and the second smooth guiding surface 24 are disposed corresponding to the first engaging protrusion 12, the first limiting surface 13 and the first smooth guiding surface 14, respectively.
After the slot structure and the plug structure form a clamping connection, the first clamping protrusion 12 and the second limiting surface 23, the second clamping protrusion 22 and the first limiting surface 13 are simultaneously in embedded fit, and the first smooth guiding surface 14 is attached to the second smooth guiding surface 24. The unilateral hook-type structure formed by the first clamping convex 12, the second clamping convex 22, the first limiting surface 13 and the second limiting surface 23 increases the back-off amount of unilateral clamping, strengthens the connection strong back-off degree of the clamping annular filter screen, and meanwhile, the first smooth guide surface 14 and the second smooth guide surface 24 form unilateral smooth cooperation, plays a guiding role and reduces the insertion clamping resistance. Through above-mentioned joint mode, through experimental demonstration, annular filter screen inserts the power value and compares in the extraction power value and be little, and this application realizes reducing the resistance of inserting the joint force promptly, simultaneously very big reinforcing annular filter screen's buckle department joint strength.
The second clamping protrusion 22 is provided with an introduction surface 25 which smoothly transits from the outer side wall of the second end part 2 to the vertex of the second clamping protrusion 22 at the opening of the groove 21, when the insertion part 11 approaches the groove 21, the insertion part 11 is contacted with the introduction surface 25 first and accurately enters the groove 21 along the introduction surface 25, so that the operation convenience is improved.
In the present embodiment, "inner" and "outer" refer to a position on the center axis of the annular screen, which is close to the reference, for any part, and a position away from the reference.
The first clamping protrusion 12, the second clamping protrusion 22, the first limiting surface 13, the second limiting surface 23, the first smooth guiding surface 14 and the second smooth guiding surface 24 extend along the axial direction of the clamping annular filter screen to the same width as the semicircular ring body 4, and the connection strength is effectively ensured. In addition, the person skilled in the art can reduce the gap between the end faces of the buckles by formulating reasonable technological parameters, so that the quality of the product is improved, and the surface attractiveness is also improved.
In an alternative embodiment, the frangible portion 3 is formed by recessing the outer surface of the snap-fit annular filter screen, so that the thickness of this location is smaller than the other locations, and thus is more frangible.
In an alternative embodiment, the surface of the clamping annular filter screen is provided with a plurality of concave parts, and the concave parts are provided with filter meshes, so that the integral strength of the filter screen can be ensured.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. Can strengthen joint formula annular filter screen of joint intensity, its characterized in that: the plug comprises a first end part (1), a second end part (2) and a flexible part (3) arranged between the first end part (1) and the second end part (2), wherein a semi-circular ring body (4) is arranged between the first end part (1) and the flexible part (3) and between the second end part (2) and the flexible part (3), the first end part (1) comprises a plug structure, the second end part (2) comprises a slot structure, and the two semi-circular ring bodies (4) rotate around the flexible part (3) until the slot structure is in plug-in fit with the plug structure to form a complete circular body position;
the plug structure comprises an insertion part (11) arranged at a first end part (1), a first clamping protrusion (12) with a circular arc-shaped surface is arranged on one side of the insertion part (11), a concave first limiting surface (13) is formed between the clamping protrusion and the semi-circular ring body (4), the vertex of the first clamping protrusion (12) is hooked to the first limiting surface (13), and a first smooth guide surface (14) is arranged on one side of the insertion part (11) away from the clamping protrusion; the slot structure comprises a groove (21) which is arranged on the second end part (2) and corresponds to the insertion part (11), a second clamping protrusion (22) and a second limiting surface (23) which is connected with the second clamping protrusion (22) are arranged on one side wall of the groove (21), the vertex of the second clamping protrusion (22) is hooked towards the bottom wall of the groove (21), and the side wall, opposite to the second clamping protrusion (22), of the groove (21) is a second smooth guide surface (24);
after the slot structure and the plug structure form a clamping connection, the first clamping protrusion (12) and the second limiting surface (23) and the second clamping protrusion (22) and the first limiting surface (13) are simultaneously in embedded fit, and the first smooth guide surface (14) is attached to the second smooth guide surface (24).
2. The clip-on annular filter screen with enhanced connection strength according to claim 1, wherein: the second clamping convex (22) is provided with an introduction surface (25) which smoothly transits from the outer side wall of the second end part (2) to the vertex of the second clamping convex (22) at the opening of the groove (21).
3. The clip-on annular filter screen with enhanced connection strength according to claim 2, wherein: the first clamping convex (12), the second clamping convex (22), the first limiting surface (13), the second limiting surface (23), the first smooth guide surface (14) and the second smooth guide surface (24) extend along the axial direction of the clamping annular filter screen.
4. A clip-on annular filter screen with enhanced connection strength as claimed in claim 3, wherein: the easy-to-fold part (3) is formed by recessing the outer surface of the clamping annular filter screen.
5. The clip-on annular filter screen with enhanced connection strength of claim 4, wherein: the surface of joint formula annular filter screen is provided with a plurality of depressed parts, the depressed part is provided with the filter mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999823.XU CN219111042U (en) | 2022-04-28 | 2022-04-28 | Can strengthen joint formula annular filter screen of joint intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999823.XU CN219111042U (en) | 2022-04-28 | 2022-04-28 | Can strengthen joint formula annular filter screen of joint intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219111042U true CN219111042U (en) | 2023-06-02 |
Family
ID=86522248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220999823.XU Active CN219111042U (en) | 2022-04-28 | 2022-04-28 | Can strengthen joint formula annular filter screen of joint intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219111042U (en) |
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2022
- 2022-04-28 CN CN202220999823.XU patent/CN219111042U/en active Active
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