U-shaped wrench based on flange connection in chemical pipeline assembly
By designing a U-shaped wrench for semiconductor chemical pipeline assembly, the existing wrench has solved the problem of large space occupation and low assembly efficiency during the tightening of flange connection bolts, and space saving and assembly efficiency improvement are achieved.
Patent Information
- Application Number
- CN202421407577.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In the assembly of semiconductor chemical pipelines, existing wrenches occupy a large space during the tightening of flange connection bolts, resulting in low assembly efficiency and difficult to control the stress position and direction.
A U-shaped wrench based on chemical pipeline assembly is designed. Through the connection between the upper cover body and the lower cover body, combined with the compression block installation area and the fastening screw, the flange connection is achieved, saving space and simplifying the bolt tightening process.
It effectively saves space occupation during flange assembly, improves assembly efficiency, ensures stability of assembly quality, and simplifies the control of stress position and direction.
Smart Images

Figure CN222755318U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of U-shaped spanners, in particular to a U-shaped spanner based on flange connection in chemical pipeline assembly. Background Art
[0002] With the advancement of semiconductor process manufacturing and the improvement of the industry's development level, there are higher requirements for the complexity and refinement of the pipelines inside chemical equipment, resulting in an increase in the space occupancy rate inside the equipment. During equipment production operations, the assembly of pipelines often requires flange connections, and the flanges usually need to be connected and tightened with bolts to ensure the firmness and sealing of the flange connection. In the process of bolt connection and tightening, some specific tools and equipment are required, and the tightening of flanges often requires a relatively large amount of surrounding space, which creates a certain contradiction with the complex and numerous pipelines in the equipment.
[0003] The common practice now is to cut the standard wrench in the middle to reduce the space for using the wrench, but this will shorten the wrench force arm, thereby requiring greater torque and reducing production efficiency. Therefore, technical personnel in this field provide a U-shaped wrench based on flange connection in chemical pipeline assembly to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a U-shaped wrench based on the flange connection in the chemical pipeline assembly. The wrench can save the space required for assembly within the limited space of the chemical conveying equipment, and at the same time improve the relevant assembly efficiency. Compared with the conventional wrench, the practicality and efficiency of the flange tightening use scenario are significantly improved, and the problem of large working space of the existing wrench, easy collision with adjacent pipelines, low assembly efficiency, and difficult control of the force position and direction in the process of tightening the flange connection bolts in the semiconductor chemical pipeline assembly is effectively solved.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A U-shaped wrench based on flange connection in chemical pipeline assembly comprises an upper cover body and a lower cover body, wherein a clamping block installation area is fixedly arranged on opposite sides of the upper cover body and the lower cover body, and a clamping block body is fixedly arranged on one side of the two clamping block installation areas;
[0007] One end of the clamping block is connected to the U-shaped wrench body by a screw, and a fastening screw is installed at the other end of the clamping block. The screws on the upper and lower clamping blocks are tightened at the same time to fix the U-shaped wrench on the first fastening flange. At the same time, the bolt heads of the bolts used to fasten the first fastening flange and the second fastening flange are fixed in the ratchet holes of the U-shaped wrench. At this time, only the nuts of the four fastening bolts need to be tightened to complete the installation of the flange.
[0008] Through the above technical scheme, the upper cover body and the lower cover body are connected and fixed to each component of the wrench, the clamping block installation area plays a role in fixing the clamping block body, and the clamping block body plays a role in clamping and fixing the internal pipeline of the chemical equipment, thereby effectively increasing the stability of the clamping. The U-shaped wrench effectively saves the space occupied during the assembly process of the first fastening flange and the second fastening flange, and is convenient for the tightening of the bolts, can ensure the stability of the assembly quality, and effectively shorten the assembly time. The flange U-shaped wrench is fixed on the first fastening flange, and the bolt head used to tighten the flange is locked at the same time. The two flanges can be tightened by only turning the nut corresponding to the bolt.
[0009] Furthermore, a handle is fixedly provided on one side of the lower cover body, and a ratchet head is threadedly sleeved on one side of the upper cover body and the lower cover body to fix a fastening bolt head;
[0010] Through the above technical solution, the user can use the wrench by holding the handle and applying force on the handle. The ratchet head fixes the tightening bolt head to connect and fix the upper cover body and the lower cover body, thereby ensuring the stability of the upper cover body and the lower cover body when in use.
[0011] Furthermore, an upper cover matching area is fixedly provided on one side of the upper cover body, and a lower cover matching area is fixedly provided on one side of the lower cover body;
[0012] Through the above technical solution, the upper cover matching area and the lower cover matching area are used in combination to achieve alignment of the upper cover body and the lower cover body, thereby facilitating the user to quickly install the wrench.
[0013] Furthermore, both sides of the lower ends of the two opposite sides of the two clamping block bodies are threadedly sleeved with clamping block fixing screws;
[0014] Through the above technical solution, the clamping block fixing screw plays a role in fixing the clamping block body, thereby ensuring the firmness of the clamping block body when in use.
[0015] Furthermore, one side of the two clamping block fixing screws is threadedly connected to the first fastening flange;
[0016] Through the above technical solution, the firmness and sealing of the first fastening flange during use are ensured.
[0017] Furthermore, bolt ratchets are fixedly arranged on both sides of the upper cover body and the lower cover body, and pipeline placement areas are fixedly arranged on opposite sides of the upper cover body and the lower cover body;
[0018] Through the above technical solution, the bolt ratchet effectively improves the installation speed of the bolt, and the pipeline placement area plays a role in clamping and fixing the pipeline of the chemical equipment.
[0019] The utility model has the following beneficial effects:
[0020] The U-shaped spanner based on the flange connection in the chemical pipeline assembly proposed by the utility model is a U-shaped spanner, which effectively saves the space occupied in the assembly process of the first fastening flange and the second fastening flange, is convenient for the fastening of bolts, can ensure the stability of the assembly quality, and can save the space required for assembly in the limited space of the chemical conveying equipment, while improving the relevant assembly efficiency. Compared with the conventional spanner, the practicability and efficiency of the flange fastening usage scenario are significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a first axial side schematic diagram of the utility model;
[0022] Figure 2 This is a schematic diagram of the second axis side of the utility model;
[0023] Figure 3 This is a schematic diagram of the unfolded axis side proposed by the utility model;
[0024] Figure 4 It is a top view schematic diagram proposed by the utility model.
[0025] Legend:
[0026] 1. Handle; 2. Upper cover matching area; 3. Ratchet head to fix the fastening bolt head; 4. Upper cover body; 5. Clamping block installation area; 6. Clamping block body; 7. Clamping block fixing screw; 8. First fastening flange; 9. Lower cover body; 10. Bolt ratchet; 11. Pipe placement area; 12. Second fastening flange; 13. Lower cover matching area. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Reference Figure 1-4 The utility model provides an embodiment: a U-shaped wrench based on flange connection in chemical pipeline assembly, comprising an upper cover body 4 and a lower cover body 9, wherein a clamping block installation area 5 is fixedly arranged on opposite sides of the upper cover body 4 and the lower cover body 9, and a clamping block body 6 is fixedly arranged on one side of the two clamping block installation areas 5; first fastening flanges 8 are threadedly fixed on both sides of the lower ends of opposite sides of the two clamping block bodies 6, and second fastening flanges 12 are threadedly fixed on the upper ends of opposite sides of the two clamping block bodies 6, and the first fastening flange 8 and the second fastening flange 12 are tightened to fix the flange U wrench body on the first fastening flange sheet.
[0029] The wrench connects and fixes the various components of the wrench through the upper cover body 4 and the lower cover body 9, and the clamping block installation area 5 is provided to facilitate the installation and fixation of the clamping block body 6. The two clamping block bodies 6 are used in combination to realize the clamping and fixation of the internal pipeline of the chemical equipment, thereby effectively increasing the stability of the pipeline clamping in the pipeline placement area 11. The U-shaped wrench of the wrench effectively saves the space occupied during the assembly process of the first fastening flange and the second fastening flange, and is convenient for the tightening of the bolts, can ensure the stability of the assembly quality, and effectively shorten the assembly time. The flange U-shaped wrench is fixed on the first fastening flange, and the bolt head used for tightening the flange is locked at the same time. The two flanges can be tightened by only turning the nut corresponding to the bolt.
[0030] Reference Figure 2-4 A handle 1 is fixedly provided on one side of the lower cover body 9, and a ratchet head is threadedly sleeved on one side of the upper cover body 4 and the lower cover body 9 to fix the fastening bolt head 3, an upper cover matching area 2 is fixedly provided on one side of the upper cover body 4, and a lower cover matching area 13 is fixedly provided on one side of the lower cover body 9, and both sides of the lower ends of the opposite sides of the two clamping block bodies 6 are threadedly sleeved with clamping block fixing screws 7, and one side of the two clamping block fixing screws 7 are threadedly connected to the first fastening flange 8, bolt ratchets 10 are fixedly provided on both sides of the upper cover body 4 and the lower cover body 9, and a pipe placement area 11 is fixedly provided on the opposite side of the upper cover body 4 and the lower cover body 9.
[0031] The user can use the wrench by holding the handle 1. The upper cover body 4 and the lower cover body 9 of the wrench are connected and fixed by the ratchet head fixing bolt head 3, and the stability of the upper cover body 4 and the lower cover body 9 when in use is effectively guaranteed. The upper cover matching area 2 and the lower cover matching area 13 are used in combination to facilitate the alignment of the upper cover body 4 and the lower cover body 9, so as to facilitate the user to quickly install the wrench. The clamping block fixing screw 7 is provided to fix the clamping block body 6, thereby ensuring the firmness of the clamping block body 6 when in use. The clamping block fixing screw 7 and the first fastening flange 8 are threadedly connected to ensure the firmness and sealing of the first fastening flange 8 when in use. The bolt ratchet 10 is provided to effectively improve the installation speed of the bolt. The pipeline placement area 11 is provided to facilitate the clamping and fixing of the chemical equipment pipeline.
[0032] Working principle: When using the wrench, first align the upper cover matching area 2 and the lower cover matching area 13, and then fix the upper cover matching area 2 and the lower cover matching area 13 through the ratchet head to fasten the bolt head 3, so as to connect the upper cover body 4 and the lower cover body 9 to connect and fix them, thereby completing the assembly of the wrench. When in use, the wrench can clamp and fix the chemical equipment pipeline through the set pipeline placement area 11, and can be used in conjunction with the two clamping block bodies 6 to achieve compression and fixation of the internal pipeline of the chemical equipment, thereby effectively increasing the stability of the pipeline placement area 11 clamping the pipeline. The U-shaped wrench effectively saves space occupied during the assembly of the first fastening flange 8 and the second fastening flange 12, is convenient for tightening the bolts, can ensure the stability of the assembly quality, and effectively shortens the assembly time. It effectively solves the problems of large operating space of existing wrenches during the tightening of flange connection bolts in the assembly of semiconductor chemical pipelines, easy collision with adjacent pipelines, low assembly efficiency, and difficult control of force position and direction.
[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A U-shaped wrench for flange connection in chemical pipeline assembly, comprising an upper cover body (4) and a lower cover body (9), characterized in that: A pressing block installation area (5) is fixedly provided on one side of the upper cover body (4) and the lower cover body (9) opposite to each other, and a pressing block body (6) is fixedly provided on one side of the two pressing block installation areas (5); A first fastening flange (8) is threadedly fixed on both sides of the lower ends of the two opposite sides of the clamping block bodies (6), and a second fastening flange (12) is threadedly fixed on the upper ends of the two opposite sides of the clamping block bodies (6). The first fastening flange (8) and the second fastening flange (12) are tightened to fix the flange U wrench body on the first fastening flange plate.
2. The U-shaped wrench based on flange connection in chemical pipeline assembly according to claim 1, characterized in that: A handle (1) is fixedly provided on one side of the lower cover body (9), and a ratchet head fixing and fastening bolt head (3) is threadedly sleeved on one side of both the upper cover body (4) and the lower cover body (9).
3. The U-shaped wrench based on flange connection in chemical pipeline assembly according to claim 1, characterized in that: An upper cover matching area (2) is fixedly provided on one side of the upper cover body (4), and a lower cover matching area (13) is fixedly provided on one side of the lower cover body (9).
4. The U-shaped wrench based on flange connection in chemical pipeline assembly according to claim 1, characterized in that: Both sides of the lower ends of the two opposite sides of the two clamping block bodies (6) are threadedly sleeved with clamping block fixing screws (7).
5. The U-shaped wrench based on flange connection in chemical pipeline assembly according to claim 4, characterized in that: One side of the two clamping block fixing screws (7) is threadedly connected to the first fastening flange (8).
6. The U-shaped wrench based on flange connection in chemical pipeline assembly according to claim 1, characterized in that: Bolt ratchets (10) are fixedly arranged on both sides of the upper cover body (4) and the lower cover body (9), and pipeline placement areas (11) are fixedly arranged on the opposite sides of the upper cover body (4) and the lower cover body (9).