Mesh screen type dustpan

Through the fixing method of inner and outer crimping abutment connection and cold welding and fixing technology, the bamboo mesh screen dustpan has been solved, and a more efficient, sturdy and functional mesh screen dustpan is achieved.

CN222607066UActive Publication Date: 2025-03-14林泽强
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Patent Information

Application Number
CN202420997116.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-14
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing bamboo mesh screen type dustpan has low production efficiency, high labor cost, low service life, and uneven screen hole size, which affects the water filtering and drying functions.

Method used

The inner fixing ring and the outer fixing ring are fixed by connecting the inner and outer crimping edges to simplify the production process. The screen main body is directly welded to the inner fixing ring and fixed by cold welding to increase the reinforcement of bones to enhance firmness.

Benefits of technology

It improves production efficiency, reduces labor costs, extends service life, the overall screen is stronger, the size of the screen hole is uniform, and the water filtering and drying functions are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mesh screen type dustpan, the mesh screen type dustpan comprises a screen main body, an outer fixing ring and an inner fixing ring, both sides of the outer fixing ring are inner curled edges curled towards the inner side of the outer fixing ring, a first mounting groove is formed between the two inner curled edges, both sides of the inner fixing ring are outer curled edges curled towards the outer side of the inner fixing ring, and a second mounting groove is formed between the two outer curled edges. The inner fixing ring is arranged in the outer fixing ring, the inner curled edge is connected with the outer curled edge in a clamped mode, and the screen body is welded to the inner fixing ring. The inner fixing ring and the outer fixing ring are fixed in the mode that the outer curled edge of the inner fixing ring abuts against the inner curled edge of the outer fixing ring, the manufacturing process of the outer curled edge and the inner curled edge is simple, the outer curled edge and the inner curled edge are connected in an abutting mode so that the inner fixing ring and the outer fixing ring can be connected, the process is saved, the process is reduced, and the screen body is directly welded to the inner fixing ring; the welding fixed connection mode is convenient and fast, time cost is saved, production efficiency can be improved, and labor cost is reduced.
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Description

Technical Field

[0001] The utility model relates to a dustpan, in particular to a mesh-screen dustpan, which is applied to the field of daily necessities. Background Art

[0002] At present, in daily production and life, it is often necessary to use a mesh dustpan for screening materials, drying items, filtering water, etc. However, most of the existing mesh dustpans are woven from bamboo. There are many problems with bamboo mesh dustpans during use. First, most bamboo mesh dustpans are woven by hand, with low production efficiency and high labor costs, which increases production costs; secondly, the service life of bamboo is not high, and it is easy to mold and rot during storage, which reduces its bearing pressure and is prone to damage. In addition, the bearing capacity of bamboo pieces is not large and cannot be used in occasions with large bearing capacity; and the screen of the bamboo mesh dustpan is woven from bamboo pieces, resulting in uneven screen holes, which affects the water filtering and drying functions. Summary of the invention

[0003] In view of the problem that most of the bamboo mesh type dustpans in the above-mentioned prior art are hand-woven, with low production efficiency and high labor cost, which increases the production cost, the utility model provides a mesh type dustpan, wherein an inner fixing ring and an outer fixing ring are fixed to each other by the outer curling edge of the inner fixing ring abutting against the inner curling edge of the outer fixing ring. The manufacturing process of the outer curling edge and the inner curling edge is simple, and the outer curling edge and the inner curling edge are abutted and connected to realize the connection between the inner fixing ring and the outer fixing ring, which saves processes and reduces steps. The screen body is directly welded to the inner fixing ring, and the welding fixed connection method is convenient and fast, which saves time cost, can improve production efficiency and reduce labor cost.

[0004] The utility model adopts the following technical solution to solve its technical problem: a mesh screen type dustpan, the mesh screen type dustpan comprises a screen body, an outer fixing ring and an inner fixing ring, both sides of the outer fixing ring are inner curling edges rolled inwardly toward the outer fixing ring, a first mounting groove is formed between the two inner curling edges, both sides of the inner fixing ring are outer curling edges rolled outwardly toward the inner fixing ring, the inner fixing ring is arranged inside the outer fixing ring, and the inner curling edge is clamped with the outer curling edge, and the screen body is welded to the inner fixing ring.

[0005] Furthermore, the outer side edge of the screen body wraps the outer curling edge, and the outer side edge of the screen body is fixed to the inner fixing ring by welding.

[0006] Furthermore, the outer side edge of the screen body is fixed to the inner fixing ring by cold welding.

[0007] Furthermore, the outer side edge of the screen body includes a first contact segment and a second contact segment, the first contact segment wraps the outer curling edge, and the second contact segment is fixed to the outer side surface of the inner fixing ring.

[0008] Furthermore, the first contact section is fixed to the outer curled edge by cold welding, and the second contact section is fixed to the outer side surface of the inner fixing ring by cold welding.

[0009] Furthermore, the external fixing ring is provided with a reinforcing bone, and the reinforcing bone is arranged around the external fixing ring.

[0010] Furthermore, the reinforcing bone is protruded from the outer side of the external fixing ring toward the inner side of the external fixing ring.

[0011] Furthermore, there are three reinforcing bones, and the three reinforcing bones are evenly spaced apart.

[0012] Furthermore, the cross section of the inner curled edge is circular.

[0013] Furthermore, the cross section of the outer curling edge is circular.

[0014] The beneficial effects of the utility model: the utility model provides a mesh type dustpan, wherein the inner fixing ring and the outer fixing ring are fixed to each other by the outer curling edge of the inner fixing ring abutting against the inner curling edge of the outer fixing ring. The manufacturing process of the outer curling edge and the inner curling edge is simple, and the outer curling edge and the inner curling edge are abutted and connected to realize the connection between the inner fixing ring and the outer fixing ring, which saves the process and reduces the working steps. The screen body is directly welded to the inner fixing ring, and the welding and fixing connection method is convenient and fast, which saves time cost, improves production efficiency and reduces labor cost. The screen body and the inner fixing ring are welded twice, which makes the mesh type dustpan more solid as a whole and increases the service life of the mesh type dustpan. The reinforcement bone is arranged, which also makes the mesh type dustpan more solid as a whole and increases the service life of the mesh type dustpan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the mesh screen type dustpan provided by the utility model;

[0016] Figure 2 It is an enlarged view of A provided by the utility model;

[0017] Figure 3 It is an exploded view of the mesh screen type dustpan provided by the utility model;

[0018] Figure 4 It is a cross-sectional view of the mesh screen type dustpan provided by the utility model;

[0019] Figure 5 It is an enlarged view of B provided by the utility model.

[0020] Reference numerals: screen body 1 ; first contact section 11 ; second contact section 12 ; outer fixing ring 2 ; inner curling edge 21 ; first mounting groove 22 ; inner fixing ring 3 ; outer curling edge 31 ; reinforcing bone 4 . DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] See also Figure 1-5The utility model provides a mesh dustpan, which includes a mesh body 1, an outer fixing ring 2 and an inner fixing ring 3. It should be noted that the mesh body 1, the outer fixing ring 2 and the inner fixing ring 3 are all made of hard metal, preferably iron. Both sides of the outer fixing ring 2 are inner curling edges 21 that are rolled inwardly toward the outer fixing ring 2. The inner curling edges are formed in one step. The inner curling edges in this embodiment are preferably inner curling edges with a circular cross-section. The end of the inner curling edge can abut against the inner side surface of the outer fixing ring 2, or it may not abut against the inner side surface of the outer fixing ring 2. In this embodiment, it is preferred not to abut against the inner side surface of the outer fixing ring 2, because the end of the inner curling edge abuts against the inner side surface of the outer fixing ring 2. The abutment does not affect the final installation of the inner ring, and there is no safety hazard. In order to improve production efficiency, it is not necessary to abut the inner side of the outer fixing ring 2; the reason for setting it into a circular shape is to be able to closely abut with the outer curling edge 31 of the inner fixing ring 3, so that the inner fixing ring 3 and the outer fixing ring 2 are fixedly connected. If it is set to an elliptical shape or a half-curling form, it cannot play a fixing role, which affects the user's use; a first installation groove 22 is formed between the inner curling edges 21 on both sides of the outer fixing ring 2, and both sides of the inner fixing ring 3 are outer curling edges 31 that are curled outwards toward the inner fixing ring 3. The outer curling edges are formed in one step. The outer curling edges in this embodiment are preferably outer curling edges with a circular cross section. The end of the outer curling edge may or may not abut against the inner side surface of the inner fixing ring 3. In this embodiment, it is preferred not to abut against the inner side surface of the inner fixing ring 3, because the abutment or non-abutment of the end of the outer curling edge does not affect the final installation of the inner ring, and there is no safety hazard. In order to improve production efficiency, it is not necessary to abut against the inner side surface of the inner fixing ring 3; the reason for setting it into a circular shape is to be closely abutted with the inner curling edge 21 of the outer fixing ring 2, so that the inner fixing ring 3 is fixedly connected to the outer fixing ring 2. If it is set in an elliptical shape or a half curling shape, it cannot play a fixing role, which affects the use of the user. The inner fixing ring 3 is set In the first installation groove 22, the inner curl 21 is clamped with the outer curl 31, that is, the inner fixing ring 3 can be firmly installed in the outer fixing ring 2, and the screen body 1 is welded to the inner fixing ring 3; that is, a mesh screen type dustpan, wherein the inner fixing ring and the outer fixing ring are fixed by the outer curl of the inner fixing ring abutting against the inner curl of the outer fixing ring, the manufacturing process of the outer curl and the inner curl is simple, and the outer curl and the inner curl are abutted and connected to realize the connection between the inner fixing ring and the outer fixing ring, saving the process and reducing the process, the screen body is directly welded to the inner fixing ring, the welding fixed connection method is convenient and fast, saving time cost, improving production efficiency and reducing labor cost.

[0023] In this embodiment, the outer side of the screen body 1 is wrapped with an outer curling edge 31, and the outer side of the screen body 1 is fixed to the inner fixing ring 3 by welding, so that the connection between the screen body 1 and the inner fixing ring 3 is more stable.

[0024] In this embodiment, the outer side of the screen body 1 is fixed to the inner fixing ring 3 by cold welding. 1. Cold welding can protect the composition and surface of the welded screen body 1 and the inner fixing ring 3. Through cold welding, the welder can weld without destroying the composition and surface of the welding object, thereby ensuring the quality and performance of the welding object; 2. Cold welding can reduce material deformation. Traditional welding at high temperature is prone to material deformation and distortion. Cold welding can effectively reduce the occurrence of this situation and make the welding quality more stable; 3. Cold welding can improve welding quality. Cold welding can obtain purer and higher-quality welding parts, thereby improving welding quality and safety; 4. Cold welding can reduce costs. Cold welding does not require a lot of energy support, and can also extend the service life of the welding machine, so it is a more economical and practical welding method; therefore, in this embodiment, the outer side of the screen body 1 and the inner fixing ring 3 are connected by cold welding.

[0025] In this embodiment, the outer edge of the screen body 1 includes a first contact segment 11 and a second contact segment 12, the first contact segment 11 wraps the outer curling edge 31, and the second contact segment 12 is fixed to the outer side of the inner fixing ring 3; the screen body and the inner fixing ring are welded twice, making the mesh dustpan more solid as a whole and increasing the life of the mesh dustpan.

[0026] In this embodiment, the first contact segment 11 is fixed to the outer curling edge 31 by cold welding, and the second contact segment 12 is fixed to the outer side surface of the inner fixing ring 3 by cold welding.

[0027] In this embodiment, a reinforcing bone 4 is provided on the outer fixing ring 2, and the reinforcing bone 4 is arranged around the outer fixing ring 2. The provision of the reinforcing bone also makes the mesh dustpan more solid as a whole, thereby increasing the life of the mesh dustpan.

[0028] In this embodiment, the reinforcing bone 4 is protruded from the outer side of the outer fixing ring 2 to the inner side of the outer fixing ring 2, which is convenient for demolding and saves costs. If a reinforcing bone is provided separately, the process is increased and the parts setting is increased, which is relatively complicated. The reinforcing bone in this embodiment has a simple structure, is convenient for demolding, and reduces the process.

[0029] In this embodiment, three reinforcing ribs 4 are provided, and the three reinforcing ribs 4 are evenly spaced apart, so that the three reinforcing ribs 4 enhance stability and improve the user experience.

[0030] The specific production and assembly process of the mesh dustpan in this embodiment is as follows: first, the two sides of the outer fixing ring are curled inwards, and the outer fixing ring is in an unfolded state to make the inner curling edge, and the curling forms an inner curling edge with a circular cross section, and also forms a mounting groove; then, three reinforcing bones are made on the outer fixing ring through a mold, and the outer fixing ring is in an unfolded state to make the reinforcing bones, and the three reinforcing bones are pressed outward and inward through the mold; then, an inner fixing ring is made, and the two sides of the inner fixing ring are curled outwards to form an inner curling edge with a circular cross section; then, the inner fixing ring is Put the screen body into it and tighten it. The outer side edge of the screen body wraps around the outer curling edge of the inner fixing ring, and the outer side edge of the screen body is fixed to the outer side surface of the inner fixing ring by cold welding. After the outer side edge of the screen body and the outer side surface of the inner fixing ring are fixed by cold welding, the outer side edge of the screen body wraps around the outer curling edge of the inner fixing ring for reinforcement by cold welding. Finally, the outer fixing ring is wrapped around the outer side of the inner fixing ring, the inner fixing ring is located in the installation groove, and the two ends of the outer fixing ring are welded. The overall production of the mesh screen type dustpan in this embodiment is completed.

[0031] To sum up, the mesh screen type dustpan in this embodiment has a simple structure, fewer parts, fewer process procedures, and is easy to produce. It improves production efficiency overall, reduces labor costs, and extends service life.

[0032] It should be understood that the application of the present invention is not limited to the above examples. For ordinary technicians in this field, improvements or changes can be made according to the above description. All these improvements and changes should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A mesh dustpan, characterized in that: The mesh dustpan comprises a mesh body (1), an outer fixing ring (2) and an inner fixing ring (3); both sides of the outer fixing ring (2) are inner curling edges (21) curled inwardly toward the outer fixing ring (2); a first mounting groove (22) is formed between the two inner curling edges (21); both sides of the inner fixing ring (3) are outer curling edges (31) curled outwardly toward the inner fixing ring (3); the inner fixing ring (3) is arranged inside the outer fixing ring, and the inner curling edge (21) is clamped with the outer curling edge (31); the mesh body (1) is welded to the inner fixing ring (3).

2. A mesh-type dustpan according to claim 1, characterized in that: The outer edge of the screen body (1) is wrapped around the outer curling edge (31), and the outer edge of the screen body (1) is fixed to the inner fixing ring (3) by welding.

3. A mesh-type dustpan according to claim 2, characterized in that: The outer side edge of the screen body (1) is fixed to the inner fixing ring (3) by cold welding.

4. A mesh-type dustpan according to claim 2, characterized in that: The outer side edge of the screen body (1) comprises a first contact section (11) and a second contact section (12), wherein the first contact section (11) wraps around the outer curling edge (31), and the second contact section (12) is fixed to the outer side surface of the inner fixing ring (3).

5. A mesh-type dustpan according to claim 4, characterized in that: The first contact section (11) is fixed to the outer curling edge (31) by cold welding, and the second contact section (12) is fixed to the outer side surface of the inner fixing ring (3) by cold welding.

6. A mesh-type dustpan according to claim 1, characterized in that: The external fixing ring (2) is provided with a reinforcing bone (4), and the reinforcing bone (4) is arranged around the external fixing ring (2).

7. A mesh-type dustpan according to claim 6, characterized in that: The reinforcing bone (4) is arranged to protrude from the outer side of the outer fixing ring (2) toward the inner side of the outer fixing ring (2).

8. A mesh-type dustpan according to claim 6, characterized in that: The reinforcement bones (4) are provided in three numbers, and the three reinforcement bones (4) are evenly spaced apart.

9. A mesh-type dustpan according to claim 1, characterized in that: The cross section of the inner curling edge (21) is circular.

10. The mesh-type dustpan according to claim 1, characterized in that: The cross section of the outer curling edge (31) is circular.