Anti-impact screen
By using a stacked structure of stainless steel mesh and a snap-fit diagonal block support design, the problem of easy damage to the mesh surface is solved, achieving a long service life and low maintenance cost for the mesh surface.
Patent Information
- Application Number
- CN202422976861.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing drilling screens are easily damaged by the impact of mud and rock cuttings, resulting in a short service life and frequent screen replacements, which increases drilling costs and the workload of workers.
The structure adopts a superimposed design of stainless steel base mesh, stainless steel middle mesh and stainless steel face mesh, and forms a multi-layer protection by combining the outer frame, snap-fit diagonal blocks and supporting springs to enhance the impact resistance of the face mesh.
It effectively protects the drilling face, extends its service life, reduces the frequency of replacement, and lowers drilling costs and worker workload.
Smart Images

Figure CN223530847U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screen technology, specifically an impact-resistant screen. Background Technology
[0002] In the past, during drilling operations, mud and rock cuttings would exert significant impact on the mesh under certain conditions. Since these meshes typically have fine wire diameters and high mesh counts, they were prone to damage under prolonged impact, resulting in a short service life and frequent replacements. This increased the workload of drilling crews and raised drilling costs. Utility Model Content
[0003] The purpose of this utility model is to provide an impact-resistant screen to solve the problems mentioned in the background art. In the past, when working, mud and rock cuttings exerted a large impact force on the screen under certain conditions. The screen was generally made of fine wire with a high mesh count. Under long-term impact, the screen was easily damaged, had a short service life, and required frequent replacement, which increased the workload of drilling workers and increased drilling costs.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] An impact-resistant screen includes a main mounting plate. Symmetrical snap-fit outer grooves are formed on the outer sides of the main mounting plate. Symmetrical fixing grooves are also formed on the sides of the main mounting plate. Snap-fit inclined blocks are engaged on the inner sides of the fixing grooves. A top channel is formed on the top surface of the main mounting plate. A snap-fit outer frame is snapped onto the inner side of the top channel. An impact-resistant stainless steel mesh is horizontally fixed onto the inner side of the snap-fit outer frame. An isolation bottom mesh is horizontally fixedly connected to the inner side of the top channel. Symmetrical... The inner groove is connected to the fastening system. A stainless steel bottom mesh is horizontally placed on the inner side of the top groove, a stainless steel middle mesh is horizontally placed on the inner side of the top groove, and a stainless steel top mesh is horizontally placed on the inner side of the top groove. Fastening protrusions are symmetrically fixed on the outer side of the fastening frame. A stabilizing side groove is provided on the inner side of the fastening frame. An extrusion adhesive layer is fixedly bonded to the inner side of the stabilizing side groove. Side extension grooves are symmetrically opened on the outer side of the fastening frame. A support spring is snapped into the inner side of the side extension groove.
[0006] In a preferred embodiment of this utility model: the snap-fit outer grooves are symmetrically opened on the four sides of the main mounting plate, and the snap-fit outer grooves are all located near the four corners of the main mounting plate. The main mounting plate adopts an injection-molded frame. There are multiple fixing through grooves, and the multiple fixing through grooves are symmetrically opened on the four sides of the main mounting plate. The interior of the fixing through grooves is connected to the interior of the top groove.
[0007] In a preferred embodiment of this utility model: one end of the buckle oblique block is snapped onto the inner side of the side extension groove, the top groove is through-type and located at the center of the top surface of the main mounting plate, the buckle frame is buckled onto the inner edge of the top groove in a U-shape, the outer edge of the impact-resistant stainless steel mesh is horizontally fixedly connected to the inner top opening of the buckle frame, and the bottom surface of the impact-resistant stainless steel mesh is horizontally butted onto the top surface of the stainless steel mesh.
[0008] In a preferred embodiment of this utility model: the isolation bottom mesh is horizontally fixedly connected and installed on the inner side of the top channel near the bottom opening end, and the snap-fit inner groove is horizontally symmetrically installed on the inner side of the top channel near the top opening end. The stainless steel bottom mesh, stainless steel middle mesh and stainless steel top mesh are arranged in parallel and superimposed from bottom to top.
[0009] In a preferred embodiment of this utility model, the number of the fastening protrusions is consistent with the number of the fastening inner grooves, and the sides of the fastening protrusions are all horizontally snapped into the inner side of the fastening inner grooves, and the stabilizing side groove is opened at the bottom inner side of the fastening outer frame.
[0010] In a preferred embodiment of this utility model: the extruded adhesive layer is made of hard rubber material, and one side of the extruded adhesive layer is fixedly bonded to the inner side of the stable side channel by high-strength adhesive, while the other side is extruded and snapped onto the outer side of the stainless steel bottom mesh, stainless steel middle mesh and stainless steel front mesh, and one end of the support spring is connected to the insertion end of the snap-on inclined block.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This utility model involves placing stainless steel base mesh, stainless steel middle mesh, and stainless steel face mesh in a parallel arrangement from bottom to top inside the top channel. The outer snap-fit frame is then snapped into place inside the top channel. By pressing the outer snap-fit frame downwards, it fits over the outer edges of the stainless steel base mesh, middle mesh, and face mesh. The inner edge of the internal extrusion adhesive layer presses against the outer edges of the stainless steel base mesh, middle mesh, and face mesh, thus securing them in place. Under the downward pressure, one end of the snap-fit diagonal block is also snapped into place. Inside the fixed through groove, the support spring makes the snap-fit of the inclined block more stable, allowing the top anti-impact stainless steel mesh to be snapped onto the top surface of the stainless steel mesh, forming a protective effect. After the overall installation is completed, the main mounting plate can be horizontally connected and set into the slot position, and fixed in place by cooperating with the snap-fit outer groove. An additional layer of 30-mesh, 25-wire anti-impact stainless steel mesh is added, forming a protective layer for the mesh. After using the anti-impact screen, the anti-impact layer effectively protects the mesh from damage, greatly increasing its service life. At the same time, the detachable structure facilitates subsequent replacement and cleaning. Attached Figure Description
[0013] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0014] Figure 1 A schematic diagram showing the detailed structure of a three-dimensional installation connection line for an impact-resistant screen.
[0015] Figure 2 A structural schematic diagram showing the connection details of the main mounting plate of an impact-resistant screen in a frontal cross-section.
[0016] Figure 3 This is a structural schematic diagram showing the front view of the connection details of the side extension groove of an impact-resistant screen.
[0017] In the diagram: 1. Main mounting plate; 2. Outer groove; 3. Fixing through groove; 4. Snap-on inclined block; 5. Top groove; 6. Outer frame; 7. Impact-resistant stainless steel mesh; 8. Isolation bottom mesh; 9. Inner groove; 10. Stainless steel bottom mesh; 11. Stainless steel middle mesh; 12. Stainless steel front mesh; 13. Snap-on protrusion; 14. Stabilizing side groove; 15. Extruded adhesive layer; 16. Side extension groove; 17. Support spring. Detailed Implementation
[0018] Please see Figure 1In this embodiment of the present invention, an impact-resistant screen includes a main mounting plate 1. The outer sides of the main mounting plate 1 are symmetrically provided with snap-fit outer grooves 2 and fixing through grooves 3. The snap-fit outer grooves 2 are symmetrically located on the four sides of the main mounting plate 1, and are all positioned near the four corners of the main mounting plate 1. The main mounting plate 1 is constructed using an injection-molded frame. Multiple fixing through grooves 3 are symmetrically and continuously provided on the four sides of the main mounting plate 1. The interior of each fixing through groove 3 communicates with the interior of a top channel 5. A snap-fit inclined block is engaged with the inner side of each fixing through groove 3. 4. The top surface of the main mounting plate 1 is provided with a top channel 5. The inner side of the top channel 5 is fastened with a fastening outer frame 6. The inner side of the fastening outer frame 6 is horizontally fixed with an impact-resistant stainless steel mesh 7. One end of the snap-on inclined block 4 is fastened with the inner side of the side extension groove 16. The top channel 5 is provided through the center of the top surface of the main mounting plate 1. The fastening outer frame 6 is fastened with the inner edge of the top channel 5 in a U-shape. The outer edge of the impact-resistant stainless steel mesh 7 is horizontally fixedly connected to the inner top opening of the fastening outer frame 6, and the bottom surface of the impact-resistant stainless steel mesh 7 is horizontally butted with the top surface of the stainless steel mesh 12.
[0019] Please see Figure 2-3 In this embodiment of the utility model, an impact-resistant screen is provided, wherein an isolation bottom mesh 8 is horizontally fixedly connected to the inner side of the top channel 5, and a snap-fit inner groove 9 is symmetrically arranged on the inner side of the top channel 5. A stainless steel bottom mesh 10, a stainless steel middle mesh 11, and a stainless steel top mesh 12 are horizontally placed on the inner side of the top channel 5. The isolation bottom mesh 8 is horizontally fixedly connected to the inner side of the top channel 5 near the bottom opening. The snap-fit inner grooves 9 are horizontally symmetrically arranged on the inner side of the top channel 5 near the top opening. The stainless steel bottom mesh 10, stainless steel middle mesh 11, and stainless steel top mesh 12 are arranged in a parallel and overlapping manner from bottom to top. Snap-fit protrusions 13 are symmetrically fixedly arranged on the outer side of the snap-fit outer frame 6, and a stabilizing side channel is provided on the inner side of the snap-fit outer frame 6. 14. The number of snap-fit protrusions 13 is consistent with the number of snap-fit inner grooves 9, and the sides of the snap-fit protrusions 13 are all horizontally snapped into the inner side of the snap-fit inner groove 9. The stabilizing side groove 14 is opened at the bottom inner side of the snap-fit outer frame 6. The inner side of the stabilizing side groove 14 is fixedly bonded with an extrusion adhesive layer 15. The outer side of the snap-fit outer frame 6 is symmetrically provided with side extension grooves 16. The inner side of the side extension groove 16 is snapped with a support spring 17. The extrusion adhesive layer 15 is made of hard rubber material, and one side of the extrusion adhesive layer 15 is fixedly bonded to the inner side of the stabilizing side groove 14 with high-strength adhesive. The other side is extruded and snapped into the outer side of the stainless steel bottom mesh 10, stainless steel middle mesh 11 and stainless steel face mesh 12. One end of the support spring 17 is connected to the insertion end of the snap-fit inclined block 4.
[0020] The working principle of this utility model is as follows:
[0021] The stainless steel base mesh 10, stainless steel middle mesh 11, and stainless steel face mesh 12 are arranged in a parallel pattern from bottom to top inside the top channel 5. The snap-fit outer frame 6 is then snapped into place inside the top channel 5. The snap-fit outer frame 6 is pressed downwards, causing it to fit over the outer edges of the stainless steel base mesh 10, stainless steel middle mesh 11, and stainless steel face mesh 12. The inner edge of the internal extrusion adhesive layer 15 is pressed against the outer edges of the stainless steel base mesh 10, stainless steel middle mesh 11, and stainless steel face mesh 12, thus securing them together. The steel base mesh 10, stainless steel middle mesh 11, and stainless steel front mesh 12 are fixedly installed. Under the downward pressing force, one end of the snap-fit diagonal block 4 is snapped into the inside of the fixed through groove 3. With the support spring 17 supporting it, the snap-fit diagonal block 4 is more stable, and the top impact-resistant stainless steel mesh 7 is snapped into the top surface of the stainless steel front mesh 12 to form a protective effect. After the overall installation is completed, the main mounting plate 1 can be horizontally connected and set into the slot position, and fixedly installed by cooperating with the snap-fit outer groove 2.
[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An impact-resistant screen, comprising a main mounting plate (1), characterized in that, The outer side of the main mounting plate (1) is symmetrically provided with snap-fit outer grooves (2), and the side of the main mounting plate (1) is symmetrically provided with fixing through grooves (3). The inner side of the fixing through grooves (3) is snapped with snap-fit inclined blocks (4). The top surface of the main mounting plate (1) is provided with a top channel (5). The inner side of the top channel (5) is snapped with a snap-fit outer frame (6). The inner side of the snap-fit outer frame (6) is horizontally fixed with an impact-resistant stainless steel mesh (7). The inner side of the top channel (5) is horizontally fixed with an isolation bottom mesh (8). The inner side of the top channel (5) is symmetrically provided with snap-fit inner grooves (9). A stainless steel bottom mesh (10) is placed horizontally on the inner side of the top channel (5), a stainless steel middle mesh (11) is placed horizontally on the inner side of the top channel (5), a stainless steel front mesh (12) is placed horizontally on the inner side of the top channel (5), a snap-fit protrusion (13) is symmetrically fixed on the outer side of the snap-fit outer frame (6), a stabilizing side channel (14) is provided on the inner side of the snap-fit outer frame (6), an extrusion adhesive layer (15) is fixedly bonded to the inner side of the stabilizing side channel (14), a side extension groove (16) is symmetrically opened on the outer side of the snap-fit outer frame (6), and a support spring (17) is snapped onto the inner side of the side extension groove (16).
2. The impact-resistant screen according to claim 1, characterized in that, The snap-fit outer groove (2) is symmetrically opened on the four sides of the main mounting plate (1), and the snap-fit outer groove (2) is set at the four corners near the main mounting plate (1). The main mounting plate (1) adopts an injection-molded frame. There are multiple fixing through grooves (3), and multiple fixing through grooves (3) are symmetrically opened on the four sides of the main mounting plate (1). The interior of the fixing through groove (3) is connected to the interior of the top groove (5).
3. The impact-resistant screen according to claim 1, characterized in that, One end of the buckle block (4) is snapped into the inner side of the side extension groove (16), the top groove (5) is set through the center of the top surface of the main mounting plate (1), the buckle frame (6) is snapped into the inner edge of the top groove (5) in a U-shape, the outer edge of the impact-resistant stainless steel mesh (7) is horizontally fixed to the inner top opening of the buckle frame (6), and the bottom surface of the impact-resistant stainless steel mesh (7) is horizontally butted into the top surface of the stainless steel mesh (12).
4. The impact-resistant screen according to claim 1, characterized in that, The isolation bottom mesh (8) is horizontally fixedly connected and installed on the inner side of the top channel (5) near the bottom opening end. The snap-fit inner channel (9) is horizontally symmetrically installed on the inner side of the top channel (5) near the top opening end. The stainless steel bottom mesh (10), stainless steel middle mesh (11) and stainless steel front mesh (12) are arranged in parallel and superimposed from bottom to top.
5. The impact-resistant screen according to claim 1, characterized in that, The number of the snap-fit protrusions (13) is consistent with the number of the snap-fit inner grooves (9), and the sides of the snap-fit protrusions (13) are all horizontally snapped into the inner side of the snap-fit inner grooves (9). The stabilizing side channel (14) is opened at the bottom inner side of the snap-fit outer frame (6).
6. The impact-resistant screen according to claim 1, characterized in that, The extruded adhesive layer (15) is made of hard rubber material, and one side of the extruded adhesive layer (15) is fixedly bonded to the inner side of the stable side channel (14) by high-strength adhesive, and the other side is extruded and snapped to the outer side of the stainless steel bottom mesh (10), stainless steel middle mesh (11) and stainless steel front mesh (12). One end of the support spring (17) is connected to the insertion end of the buckle inclined block (4).