Corrosion-resistant gas pipeline connecting device
The design of bidirectional screws and limiting components enables rapid docking and stable connection of gas pipelines, solving the inefficiency of bolt fixing in existing technologies and improving assembly efficiency and stability.
Patent Information
- Application Number
- CN202520629878.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing gas pipeline connection devices require the use of multiple sets of nuts and bolts, which necessitates the use of wrenches and other tools by workers during connection, reducing assembly efficiency.
A bidirectional screw drives the threaded block to move, the slide block slides in the top slot of the sliding box, the support block drives the annular plate to move, the annular insert plate is inserted into the slot to achieve sealing, and the annular plate is quickly fixed by the limiting component, reducing the use of bolts.
It improves the efficiency of prefabrication and assembly of gas pipelines, reduces the difficulty of installation in narrow areas, enhances connection stability, and reduces the risk of detachment and leakage.
Smart Images

Figure CN223782300U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of gas pipeline connection equipment, specifically a corrosion-resistant gas pipeline connection device. Background Technology
[0002] Corrosion-resistant gas pipelines are specially designed to transport gas and resist corrosion from specific media. They are typically made of special materials such as stainless steel and alloy steel, which effectively resist corrosion from soil, moisture, chemicals, and other media, thereby extending the pipeline's service life.
[0003] Publication No. CN219588338U discloses a gas pipeline connection device. This device involves placing a sealing ring into an annular groove, then fitting it between connectors, and passing a threaded rod through an insertion hole. It is then secured by tightening a fastening nut. The inner tube is inserted into a notch, and the sealing ring enhances the sealing effect, ensuring a firm connection of the gas pipeline and preventing leaks. However, this patent still has the following problems in practical use:
[0004] The device connects two gas pipes and is divided into inner and outer sides, which can effectively prevent deformation caused by compression. It does not require auxiliary tools such as Teflon tape. However, the device requires multiple sets of nuts and bolts to connect the gas pipes, which means that workers need to use tools such as wrenches to operate the pipes, thus greatly reducing the efficiency of gas pipe assembly and causing inconvenience to workers.
[0005] A corrosion-resistant gas pipeline connection device is proposed to solve the problems mentioned above. Utility Model Content
[0006] The purpose of this utility model is to provide a corrosion-resistant gas pipeline connection device to solve the problem mentioned in the background art. The current method of connecting two gas pipes and dividing them into inner and outer sides can effectively avoid deformation caused by compression and does not require auxiliary tools such as Teflon tape. However, this device requires the use of multiple sets of nuts and bolts when connecting gas pipelines, which means that workers need to use tools such as wrenches to operate when connecting the pipelines, thus greatly reducing the efficiency of gas pipeline assembly.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant gas pipeline connection device, including a base, a first pipeline and a second pipeline being provided on one side of the base; an adjustment mechanism being provided on one side of the base, and a limit component being provided inside the adjustment mechanism;
[0008] The adjusting mechanism includes a first annular plate fixedly installed on the outside of one end of the first pipe, and a second annular plate fixedly installed on the outside of the end of the second pipe near the first pipe. A sliding box is embedded in the top of the base, and a bidirectional screw is rotatably connected between the sliding box and the base. Threaded blocks are symmetrically threaded to both ends of the bidirectional screw, and a slide block is fixedly installed on the top of the threaded block. A support block is fixedly installed on the top of the slide block. The bottoms of the first and second annular plates are fixedly connected to the tops of the support blocks, respectively. An annular groove is formed on one side of the first annular plate, and an annular recess is formed on the inner side of the annular groove. An annular insert plate is fixedly installed on one side of the second annular plate, and an annular rubber ring is embedded in the outside of each annular insert plate. The annular insert plate is inserted into the annular groove.
[0009] Preferably, the limiting component includes a limiting box, and the limiting boxes are all fixedly installed on the outside of the first annular plate. The outside of the second annular plate is fixedly installed with a positioning plate. A rod is fixedly installed on one side of the positioning plate. One end of the rod passes through the limiting box and is slidably connected to the limiting box. A pull rod is slidably connected inside the limiting box at the end away from the rod. A pull plate is fixedly installed at the end of the pull rod near the limiting box. A first retractable rod is symmetrically installed between the pull plate and the inside of the limiting box. A first telescopic spring is sleeved on the outside of the first retractable rod. A positioning groove is opened on one side of the rod. A positioning block is fixedly installed at the end of the pull plate away from the pull rod. The positioning block is inserted into the positioning groove.
[0010] Preferably, an annular support plate is symmetrically fixedly installed on one side of the base, and a second retractable rod is fixedly installed on the inner side of each annular support plate. A second telescopic spring is sleeved on the outside of the second retractable rod, and an arc-shaped plate is fixedly installed on one end of the second retractable rod. An arc-shaped rubber pad is fixedly connected to the end of the arc-shaped plate away from the second retractable rod.
[0011] Preferably, a rotating block is fixedly installed at the end of the bidirectional screw away from the base.
[0012] Preferably, the outer side of the annular insert plate is fitted to the inner side of the annular groove, and the outer side of the annular rubber ring is fitted to the inner side of the annular groove.
[0013] Preferably, the bottom of the slide block is slidably connected between the top slots of the sliding box.
[0014] Preferably, the inner side of the arc-shaped rubber pad is bonded to the outer side of the first pipe and the second pipe.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: A corrosion-resistant gas pipeline connection device is provided, specifically as follows: The operator rotates a bidirectional screw, causing two sets of threaded blocks to move. The movement of the threaded blocks causes two sets of sliding blocks to slide in the groove at the top of the sliding box. The movement of the support block causes the first and second annular plates to move, thereby connecting the first and second pipelines. At this time, the annular insert plate is inserted into the inner side of the annular groove, and multiple sets of annular rubber rings tightly fit with the annular groove, achieving a seal. This enables rapid connection of the first and second pipelines, greatly improving the efficiency of gas pipeline prefabrication and assembly. Compared with the prior art where multiple sets of bolts are used during gas pipeline installation... The nut fixing method is more convenient, reducing the difficulty for workers to install gas pipelines in narrow areas and bringing convenience to workers during use. When the worker pulls the lever, it slides inside the limiting box. At this time, the movement of the lever drives the movement of the pull plate. The movement of the pull plate compresses the first retractable rod and the first telescopic spring. Through the retraction and reset property of the first telescopic spring, the positioning block is inserted into the positioning groove, thereby achieving the effect of quickly fixing and limiting the first and second annular plates. This greatly improves the connection efficiency between the first and second annular plates, thereby ensuring the connection stability of the first and second pipelines and effectively reducing phenomena such as gas pipeline separation and leakage.
[0016] 1. By rotating a bidirectional screw, the operator moves two sets of threaded blocks. The movement of the threaded blocks causes two sets of sliding blocks to slide in the groove at the top of the sliding box. This movement of the sliding blocks then moves the support block, which in turn moves the first and second annular plates. The first and second annular plates move in a convergent-unfolding trajectory, thus connecting the first and second pipes. At this point, an annular insert plate is inserted into the inner side of the annular groove. Multiple sets of annular rubber rings are deformed by the pressure from the inner wall of the annular groove. When the annular insert plate is fully inserted into the annular groove, the multiple sets of annular rubber rings fit tightly against the annular groove, achieving a seal. This allows for rapid connection of the first and second pipes, significantly improving the efficiency of prefabrication and assembly of gas pipelines compared to existing gas pipeline technologies. The use of multiple sets of bolts and nuts for fixing during installation is more convenient, reducing the difficulty for workers to install gas pipelines in narrow areas and providing convenience for workers during use. By pulling multiple sets of arc-shaped plates outward, the second retractable rod and the second telescopic spring are compressed and contracted. When the gas pipeline is initially assembled, the workers release the arc-shaped plates, and the return property of the second telescopic spring allows the multiple sets of arc-shaped plates to compress the surface of the gas pipeline. At this time, the arc-shaped rubber pads are compressed and deformed, thus providing stable support for the first and second pipelines during installation, thereby greatly improving the stability of the device during use, buffering the impact force on the gas pipeline, and reducing the phenomenon of deformation and separation of the first and second pipelines due to external impact.
[0017] 2. After the first and second annular plates are assembled, the three insert rods are inserted into the limiting box. The operator then pulls the lever to slide it inside the limiting box. The movement of the lever moves the pull plate, which in turn compresses the first retractable rod and the first telescopic spring. When the operator releases the lever, the first telescopic spring retracts and resets, allowing the positioning block to engage with the positioning groove. This achieves the effect of quickly fixing and limiting the first and second annular plates, greatly improving the connection efficiency between them and enhancing the stability of the connection between the first and second pipelines. This effectively reduces the possibility of gas pipeline separation and leakage. Attached Figure Description
[0018] Figure 1 This is a cross-sectional view of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 3 This is an enlarged schematic diagram of the overall structure of the sliding box in this utility model;
[0021] Figure 4This is a schematic diagram of a partial operating structure of the adjustment mechanism in this utility model;
[0022] Figure 5 This is an enlarged structural diagram of part A in this utility model.
[0023] In the diagram: 1. Base; 101. First pipe; 102. Second pipe; 2. Adjustment mechanism; 201. First annular plate; 202. Second annular plate; 203. Sliding box; 204. Bidirectional screw; 205. Threaded block; 206. Slide seat; 207. Support block; 208. Annular groove; 209. Annular groove; 210. Annular insert plate; 2101. Annular rubber ring; 211. Annular support plate; 212. Second retraction rod; 213. Second telescopic spring; 214. Arc plate; 215. Arc rubber pad; 216. Rotating block; 3. Limiting assembly; 301. Limiting box; 302. Positioning plate; 303. Insert rod; 304. Pull rod; 305. Pull plate; 306. First retraction rod; 307. First telescopic spring; 308. Positioning groove; 309. Positioning block. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-5 The present invention provides a technical solution: a corrosion-resistant gas pipeline connection device, including a base 1, a first pipeline 101 and a second pipeline 102 are provided on one side of the base 1; an adjustment mechanism 2 is provided on one side of the base 1, and a limit component 3 is provided inside the adjustment mechanism 2.
[0026] The adjusting mechanism 2 includes a first annular plate 201 fixedly installed on the outside of one end of the first pipe 101, and a second annular plate 202 fixedly installed on the outside of one end of the second pipe 102 near the first pipe 101. A sliding box 203 is embedded in the top of the base 1, and a bidirectional screw 204 is rotatably connected between the sliding box 203 and the base 1. Threaded blocks 205 are symmetrically threaded to both ends of the bidirectional screw 204, and a slide block 206 is fixedly installed on the top of the threaded block 205. The bottom of the slide block 206 is slidably connected to the top slot of the sliding box 203, and a support block 207 is fixedly installed on the top of the slide block 206. The bottoms of the first annular plate 201 and the second annular plate 202 are respectively fixedly connected to the top of the support block 207. An annular opening is formed on one side of the first annular plate 201. The annular groove 208 has an annular groove 209 on its inner side, and an annular insert plate 210 is fixedly installed on one side of the second annular plate 202. The outer side of the annular insert plate 210 is inlaid with an annular rubber ring 2101. The outer side of the annular insert plate 210 fits against the inner side of the annular groove 208, and the outer side of the annular rubber ring 2101 fits against the inner side of the annular groove 209. The annular insert plate 210 is inserted into the annular groove 208, thereby achieving the effect of quickly connecting the first pipe 101 and the second pipe 102. This greatly improves the prefabrication and assembly efficiency of the gas pipeline. Compared with the existing technology of using multiple sets of bolts and nuts to fix the gas pipeline during installation, this method is more convenient, reduces the difficulty for workers to install gas pipelines in narrow areas, and brings convenience to workers during use.
[0027] A ring-shaped support plate 211 is symmetrically fixedly installed on one side of the base 1, and a second retractable rod 212 is fixedly installed on the inner side of each ring-shaped support plate 211. A second telescopic spring 213 is sleeved on the outside of the second retractable rod 212, and an arc-shaped plate 214 is fixedly installed on one end of the second retractable rod 212. An arc-shaped rubber pad 215 is fixedly connected to the end of the arc-shaped plate 214 away from the second retractable rod 212. The inner side of the arc-shaped rubber pad 215 is in close contact with the outside of the first pipe 101 and the second pipe 102. Through the restoring property of the second telescopic spring 213, the multiple sets of arc-shaped plates 214 can be used to control the gas flow. The pipe surface is compressed, and the arc-shaped rubber pad 215 is deformed by the compression, which can provide stable support when the first pipe 101 and the second pipe 102 are installed, thereby greatly improving the stability of the device during use. It can buffer the impact force on the gas pipe and reduce the phenomenon of deformation and separation of the first pipe 101 and the second pipe 102 due to external impact, which brings practicality to the staff. A rotating block 216 is fixedly installed at the end of the bidirectional screw 204 away from the base 1. By rotating the rotating block 216, the staff can easily operate the bidirectional screw 204.
[0028] The limiting assembly 3 includes a limiting box 301, which is fixedly installed on the outside of the first annular plate 201. A positioning plate 302 is fixedly installed on the outside of the second annular plate 202. A rod 303 is fixedly installed on one side of the positioning plate 302, with one end of the rod 303 penetrating through the limiting box 301 and slidably connected to it. A pull rod 304 is slidably connected inside the limiting box 301 at the end away from the rod 303. A pull plate 305 is fixedly installed at the end of the pull rod 304 near the limiting box 301. A first retraction rod 306 is symmetrically installed between the pull plate 305 and the inside of the limiting box 301. The retractable rod 306 is externally sleeved with a first telescopic spring 307, and a positioning groove 308 is provided on one side of the insertion rod 303. A positioning block 309 is fixedly installed on the end of the pull plate 305 away from the pull rod 304, and the positioning block 309 is inserted into the positioning groove 308. This enables the rapid fixing and limiting of the first annular plate 201 and the second annular plate 202, thereby greatly improving the connection efficiency between the first annular plate 201 and the second annular plate 202. This also improves the connection stability of the first pipe 101 and the second pipe 102, effectively reducing the phenomenon of gas pipe separation and leakage, and bringing convenience to the staff during use.
[0029] Working principle: Before using this corrosion-resistant gas pipeline connection device, it is necessary to check the overall condition of the device to ensure it can operate normally. Figure 1 - Figure 5As shown, firstly, the workers weld the first annular plate 201 and the second annular plate 202 to the outside of the first pipe 101 and the second pipe 102. When the gas pipeline arrives at the installation area, the workers rotate the double-acting screw 204 to move the two sets of threaded blocks 205. The movement of the threaded blocks 205 causes the two sets of sliding blocks 206 to slide in the top slot of the sliding box 203. At this time, the movement of the sliding blocks 206 causes the support block 207 to move, and the movement of the support block 207 causes the first annular plate 201 and the second annular plate 202 to move. At this time, the first annular plate 201 and the second annular plate 202... The pipes move in a convergent-unfolding trajectory, thereby connecting the first pipe 101 and the second pipe 102. At this time, the annular insert plate 210 is inserted into the inner side of the annular groove 208. Multiple sets of annular rubber rings 2101 are deformed by the pressure from the inner wall of the annular groove 208. When the annular insert plate 210 is fully inserted into the annular groove 208, the multiple sets of annular rubber rings 2101 tightly fit with the annular groove 209, achieving a seal. This enables rapid connection of the first pipe 101 and the second pipe 102, significantly improving the efficiency of prefabrication and assembly of gas pipelines compared to existing gas pipeline technologies. The use of multiple sets of bolts and nuts for fixing during installation makes the process more convenient, reducing the difficulty for workers installing gas pipelines in narrow areas and providing convenience for users. During the initial assembly of the gas pipeline at the factory, the corresponding ends of the first pipe 101 and the second pipe 102 pass through the annular support plate 211. At this time, the worker pulls the multiple sets of arc-shaped plates 214 outwards, causing the second retraction rod 212 and the second telescopic spring 213 to compress and contract. When the initial assembly of the gas pipeline is completed, the worker releases the arc-shaped plates 214, and the second telescopic spring 213 returns to its original position. The multiple sets of arc plates 214 can compress the surface of the gas pipeline, and the arc rubber pad 215 is deformed by the compression, so as to provide stable support when the first pipeline 101 and the second pipeline 102 are installed, thereby greatly improving the stability of the device during use. It can buffer the impact force on the gas pipeline and reduce the phenomenon of deformation and separation of the first pipeline 101 and the second pipeline 102 due to external impact. It brings practicality to the staff when using it. By rotating the rotating block 216, the staff can easily operate the bidirectional screw 204.
[0030] After the first annular plate 201 and the second annular plate 202 are assembled, the three insertion rods 303 are inserted into the limiting box 301. At this time, the operator pulls the lever 304 to slide inside the limiting box 301. The movement of the lever 304 drives the movement of the pull plate 305. The movement of the pull plate 305 compresses the first retractable rod 306 and the first telescopic spring 307. Then, the operator releases the lever 304, and the retraction and reset of the first telescopic spring 307 allows the positioning block 309 to be inserted into the positioning groove 308. This achieves the effect of quickly fixing and limiting the first annular plate 201 and the second annular plate 202, which greatly improves the connection efficiency between the first annular plate 201 and the second annular plate 202. This improves the connection stability of the first pipe 101 and the second pipe 102, effectively reducing the phenomenon of gas pipe separation and leakage, and bringing convenience to the operator during use.
[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A corrosion-resistant gas pipeline connection device, comprising a base (1), wherein a first pipeline (101) and a second pipeline (102) are provided on one side of the base (1). Its features are, Also includes: An adjustment mechanism (2) is provided on one side of the base (1), and a limit component (3) is provided inside the adjustment mechanism (2). The adjusting mechanism (2) includes a first annular plate (201) fixedly installed on the outside of one end of the first pipe (101), and a second annular plate (202) fixedly installed on the outside of one end of the second pipe (102) near the first pipe (101). A sliding box (203) is embedded in the top of the base (1), and a bidirectional screw (204) is rotatably connected between the sliding box (203) and the base (1). Threaded blocks (205) are symmetrically threaded at both ends of the bidirectional screw (204), and a slide block (206) is fixedly installed on the top of the threaded block (205). A support block (207) is fixedly installed on the top of the first annular plate (201) and the bottom of the second annular plate (202) are fixedly connected to the top of the support block (207). An annular groove (208) is opened on one side of the first annular plate (201), and an annular groove (209) is opened on the inner side of the annular groove (208). An annular insert plate (210) is fixedly installed on one side of the second annular plate (202), and an annular rubber ring (2101) is inlaid on the outside of the annular insert plate (210). The annular insert plate (210) is inserted into the annular groove (208).
2. The corrosion-resistant gas pipeline connection device according to claim 1, characterized in that: The limiting component (3) includes a limiting box (301), and each limiting box (301) is fixedly installed on the outside of the first annular plate (201). A positioning plate (302) is fixedly installed on the outside of each of the second annular plates (202). A rod (303) is fixedly installed on one side of the positioning plate (302), and one end of the rod (303) passes through the limiting box (301) and is slidably connected to it. A pull rod (304) is slidably connected inside the end of the limiting box (301) away from the rod (303). A pull plate (305) is fixedly installed at one end of the pull rod (304) near the limit box (301), and a first retractable rod (306) is symmetrically installed between the pull plate (305) and the inside of the limit box (301). A first telescopic spring (307) is sleeved on the outside of the first retractable rod (306). A positioning groove (308) is opened on one side of the insert rod (303), and a positioning block (309) is fixedly installed at one end of the pull plate (305) away from the pull rod (304). The positioning block (309) is inserted into the positioning groove (308).
3. The corrosion-resistant gas pipeline connection device according to claim 1, characterized in that: A ring support plate (211) is symmetrically fixedly installed on one side of the base (1), and a second retractable rod (212) is fixedly installed on the inner side of the ring support plate (211). A second telescopic spring (213) is sleeved on the outside of the second retractable rod (212). An arc plate (214) is fixedly installed on one end of the second retractable rod (212), and an arc rubber pad (215) is fixedly connected to the end of the arc plate (214) away from the second retractable rod (212).
4. The corrosion-resistant gas pipeline connection device according to claim 1, characterized in that: A rotating block (216) is fixedly installed at the end of the bidirectional screw (204) away from the base (1).
5. The corrosion-resistant gas pipeline connection device according to claim 1, characterized in that: The outer side of the annular insert plate (210) is fitted with the inner side of the annular groove (208), and the outer side of the annular rubber ring (2101) is fitted with the inner side of the annular groove (209).
6. The corrosion-resistant gas pipeline connection device according to claim 1, characterized in that: The bottom of the slide block (206) is slidably connected to the top slot of the sliding box (203).
7. A corrosion-resistant gas pipeline connection device according to claim 3, characterized in that: The inner side of the arc-shaped rubber pad (215) is bonded to the outside of the first pipe (101) and the second pipe (102).
Citation Information
Patent Citations
Gas pipeline connecting device
CN219588338U