A pipe connection structure
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU YOUGETE AUTOMATION TECHNOLOGY CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-19
Smart Images

Figure CN224380893U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe connection technology, specifically a pipe connection structure. Background Technology
[0002] A pressure transmitter is an industrial automation instrument that converts pressure signals into standard electrical signals (such as 4-20mA DC, digital signals, etc.). Its core function is to sense pressure changes of gas, liquid, or steam through built-in sensors and transmit the signals to the control system (such as PLC, DCS) for real-time monitoring, adjustment, or alarm. However, the traditional pipeline connection structure of pressure transmitters is relatively complex to install, usually requiring the use of various tools and accessories. The installation steps are cumbersome and time-consuming, and improper installation can easily lead to connection quality problems. Furthermore, the disassembly and replacement of pressure transmitters also require cumbersome operations, which brings great inconvenience to equipment maintenance and repair. Summary of the Invention
[0003] The purpose of this utility model is to provide a pipeline connection structure to solve the problems mentioned in the background art. The traditional pressure transmitter pipeline connection structure is relatively complicated to install, usually requires a variety of tools and accessories, the installation steps are cumbersome and time-consuming, and it is easy to cause connection quality problems due to improper installation. Moreover, when it is necessary to disassemble and replace the pressure transmitter, it also requires cumbersome operations, which brings great inconvenience to the maintenance and repair of the equipment.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a pipe connection structure, comprising:
[0005] Support tube;
[0006] The fixing pipe is fixed to the top of the support pipe;
[0007] Top fixing bracket, the top fixing bracket is placed above the support tube;
[0008] Connecting clamp No. 1 is fixed to the bottom of the top fixed bracket;
[0009] The mounting slot is located at the top of the top fixing bracket;
[0010] A pressure transmitter is placed above a support tube, and an external mounting bracket is fixed to the outside of the pressure transmitter.
[0011] Support frames are symmetrically installed on the outside of the external mounting frame;
[0012] A limiting mounting block is welded and fixed to one side of the support frame, and the limiting mounting block cooperates with the mounting groove;
[0013] The detection tube is located at the bottom of the pressure transmitter. A second outer sealing sleeve is fixed to the outside of the detection tube, and the second outer sealing sleeve cooperates with the fixed tube.
[0014] As a preferred embodiment of this utility model: both the top fixing bracket and the limiting mounting block have mounting through holes inside. A mounting screw that mates with the mounting through hole is installed on one side of the top fixing bracket. A limiting plate is fixed to one end of the mounting screw. A limiting groove that mates with the limiting plate is opened on one side of the top fixing bracket. An external limiting nut is threaded onto the outer side of the mounting screw.
[0015] As a preferred embodiment of this utility model: a side positioning block is fixedly connected to the side of the limiting mounting block away from the support frame, and positioning holes are symmetrically opened inside the side positioning block. A side limiting frame that cooperates with the side positioning block is welded and fixed to the outside of the top fixing bracket, and positioning rods that cooperate with the positioning holes are symmetrically welded and fixed inside the side limiting frame.
[0016] As a preferred embodiment of this utility model: a second connecting clamp is installed at the bottom of the first connecting clamp by bolts, and the second connecting clamp is welded and fixed to the outside of the support pipe.
[0017] As a preferred embodiment of this utility model: an outer limiting ring is symmetrically welded and fixed on the outer side of the support pipe, and an inner limiting groove that cooperates with the outer limiting ring is opened on the inner side of the first connecting clamp and the second connecting clamp.
[0018] As a preferred embodiment of this utility model: a sealing outer cover is fixedly connected to the outside of the detection tube, the sealing outer cover is fixedly connected to a second outer sealing sleeve, and a first outer sealing sleeve that cooperates with the sealing outer cover is fixedly connected to the outside of the fixing tube.
[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, by setting up a detection tube, a second outer sealing sleeve, a sealing outer cover, and a first outer sealing sleeve, achieves the cooperation between the second outer sealing sleeve on the outside of the detection tube and the inside of the fixed tube. Further sealing is achieved by the cooperation between the sealing outer cover and the inside of the first outer sealing sleeve, thus improving the sealing effect between the fixed tube and the detection tube. By setting up a limiting mounting block, a mounting groove, a side limiting frame, and a positioning rod, the limiting mounting block cooperates with the mounting groove on the top of the top fixed bracket, the side positioning block cooperates with the inside of the side limiting frame, and the positioning rod inside the side limiting frame cooperates with the symmetrically opened positioning holes inside the side positioning block. This limits and fixes the installation positions of the side positioning block, the limiting mounting block, the support frame, the outer mounting frame, and the pressure transmitter, improving the stability of the installation. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a top view of the present invention;
[0022] Figure 3 This is a right view of the present invention;
[0023] Figure 4 This is a schematic diagram showing the disassembly of the external mounting bracket, pressure transmitter, and detection tube of this utility model;
[0024] Figure 5 The above view shows the detection tube, the second outer sealing sleeve, and the sealing outer cover of this utility model.
[0025] Figure 6 This is a schematic diagram of the disassembly of the No. 2 connecting clamp of this utility model.
[0026] In the diagram: 1. Support pipe; 2. Connecting clamp No. 1; 3. Connecting clamp No. 2; 4. Top fixed bracket; 5. Limiting mounting block; 6. Support frame; 7. External mounting bracket; 8. Pressure transmitter; 9. Detection pipe; 10. External sealing sleeve No. 1; 11. External sealing sleeve No. 2; 12. Sealing cover; 13. Mounting through hole; 14. Mounting screw; 15. External limiting nut; 16. Side positioning block; 17. Positioning hole; 18. Side limiting bracket; 19. Positioning rod; 20. Mounting groove; 21. External limiting ring; 22. Internal limiting groove; 23. Fixed pipe; 24. Limiting plate; 25. Limiting groove. Detailed Implementation
[0027] 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.
[0028] Please see Figures 1 to 6This utility model provides a technical solution: a pipe connection structure, including: a support pipe 1, a first connecting clamp 2, a top fixing bracket 4, a limiting mounting block 5, a support frame 6, a pressure transmitter 8, a detection pipe 9, a mounting groove 20, and a fixing pipe 23; the fixing pipe 23 is welded and fixed to the top of the support pipe 1; the top fixing bracket 4 is placed above the support pipe 1; the first connecting clamp 2 is welded and fixed to the bottom of the top fixing bracket 4; the mounting groove 20 is opened at the top of the top fixing bracket 4; the pressure transmitter 8 is placed above the support pipe 1, and an outer mounting bracket 7 is fixedly connected to the outside of the pressure transmitter 8; the support frame 6 is symmetrically installed on the outside of the outer mounting bracket 7 by bolts; the limiting mounting block 5 is welded and fixed to one side of the support frame 6, and the limiting mounting block 5 cooperates with the mounting groove 20; the detection pipe 9 is set at the bottom of the pressure transmitter 8, and a second outer sealing sleeve 11 is fixedly connected to the outside of the detection pipe 9, and the second outer sealing sleeve 11 cooperates with the fixing pipe 23.
[0029] It should be noted that in this embodiment, both the first connecting clamp 2 and the second connecting clamp 3 have inner limiting grooves 22 that cooperate with the outer limiting ring 21. The inner limiting groove 22 on the inner side of the second connecting clamp 3 cooperates with the outer limiting ring 21. The second connecting clamp 3 is welded and fixed on the outside of the support pipe 1. The first connecting clamp 2 is installed on the top of the second connecting clamp 3 with bolts. The installation positions of the first connecting clamp 2 and the top fixing bracket 4 are fixed. The detection pipe 9 at the bottom of the pressure transmitter 8 is installed with the fixing pipe 23. The second outer sealing sleeve 11 on the outside of the detection pipe 9 is sealed with the inside of the fixing pipe 23. The sealing effect between the detection pipe 9 and the fixing pipe 23 is improved by sealing the inner side of the outer sealing cover 12 with the inner side of the first outer sealing sleeve 10. The support frame 6 is installed on the outside of the outer mounting bracket 7 with bolts. While installing between the detection pipe 9 and the fixing pipe 23, the limiting mounting block 5 on the outside of the support frame 6 is installed with the mounting bracket 6. The groove 20 is matched with the side positioning block 16 fixed on the outside of the limiting mounting block 5 and the side limiting frame 18. The positioning hole 17 opened inside the side positioning block 16 is matched with the positioning rod 19. The mounting screw 14 on one side of the limiting plate 24 is matched with the mounting through hole 13 opened inside the top fixed bracket 4 and the limiting mounting block 5. The outer limiting nut 15 is threaded on the outside of the mounting screw 14. The limiting plate 24 is limited and installed inside the limiting groove 25. The limiting mounting block 5 is limited and installed inside the mounting groove 20. The installation positions of the limiting mounting block 5, the support frame 6, the outer mounting frame 7, the pressure transmitter 8 and the detection tube 9 are fixed. The detection tube 9 is a component in the system used to carry the detected medium and provide a flow channel for it. It is also the target of the pressure transmitter 8 to measure the pressure. It can guide the medium to flow along a predetermined path, so that the pressure transmitter 8 can accurately measure the pressure change generated by the medium during the flow, and realize the monitoring and control of the medium state.
[0030] In one embodiment, such as Figures 1 to 6As shown, both the top fixing bracket 4 and the limiting mounting block 5 have mounting through holes 13 inside. A mounting screw 14 that mates with the mounting through hole 13 is installed on one side of the top fixing bracket 4. A limiting plate 24 is welded and fixed to one end of the mounting screw 14. A limiting groove 25 that mates with the limiting plate 24 is opened on one side of the top fixing bracket 4. An outer limiting nut 15 is threaded on the outer side of the mounting screw 14.
[0031] It should be noted that, in this embodiment, the mounting screw 14 on one side of the limiting plate 24 enters the mounting through hole 13 opened in the top fixing bracket 4 and the limiting mounting block 5, the outer limiting nut 15 is threaded on the outer side of the mounting screw 14, the limiting mounting block 5 is limited and installed inside the mounting groove 20, and the installation positions of the limiting mounting block 5, the support frame 6, the outer mounting frame 7 and the pressure transmitter 8 are limited and fixed.
[0032] In one embodiment, such as Figures 1 to 6 As shown, a side positioning block 16 is fixedly connected to the side of the limiting mounting block 5 away from the support frame 6. The side positioning block 16 has symmetrically opened positioning holes 17 inside. A side limiting frame 18 that cooperates with the side positioning block 16 is welded and fixed to the outside of the top fixing bracket 4. A positioning rod 19 that cooperates with the positioning hole 17 is symmetrically welded and fixed to the inside of the side limiting frame 18.
[0033] It should be noted that in this embodiment, the side positioning block 16 and the side limiting frame 18 cooperate with each other, and the positioning holes 17 symmetrically opened inside the side positioning block 16 cooperate with the positioning rod 19 to limit the position, thereby improving the overall stability of the side positioning block 16, the limiting mounting block 5, the support frame 6, and the outer mounting frame 7.
[0034] In one embodiment, such as Figures 1 to 6 As shown, the bottom of the first connecting clamp 2 is bolted with the second connecting clamp 3, which is welded and fixed to the outside of the support pipe 1.
[0035] It should be noted that in this embodiment, the second connecting clamp 3 is welded and fixed on the outside of the support pipe 1, and the first connecting clamp 2 is installed and fixed on the second connecting clamp 3 by bolts, so that the support position of the top fixing bracket 4 can be fixed.
[0036] In one embodiment, such as Figures 1 to 6 As shown, an outer limiting ring 21 is symmetrically welded and fixed on the outer side of the support pipe 1, and an inner limiting groove 22 that cooperates with the outer limiting ring 21 is opened on the inner side of the first connecting clamp 2 and the second connecting clamp 3.
[0037] It should be noted that in this embodiment, the outer limiting ring 21 cooperates with the inner limiting groove 22 opened on the inner side of the first connecting clamp 2 and the second connecting clamp 3 to position and install the first connecting clamp 2 and the second connecting clamp 3 on the outside of the support pipe 1, and weld and fix the second connecting clamp 3 on the outside of the support pipe 1, thereby improving the overall stability.
[0038] In one embodiment, such as Figures 1 to 6 As shown, a sealing cover 12 is fixedly connected to the outside of the detection tube 9, and the sealing cover 12 is fixedly connected to the second outer sealing sleeve 11. A first outer sealing sleeve 10 that cooperates with the sealing cover 12 is fixedly connected to the outside of the fixing tube 23.
[0039] It should be noted that in this embodiment, the sealing outer cover 12 and the first outer sealing sleeve 10 are connected in a sealing manner, which further improves the sealing effect between the fixed tube 23 and the detection tube 9.
[0040] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0041] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.
[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pipe connection structure characterized by comprising: include: Support tube (1); The fixing tube (23) is fixed to the top of the support tube (1); Top fixing bracket (4) is placed above the support tube (1); Connecting clamp No. 1 (2) is fixed to the bottom of the top fixed bracket (4); Mounting slot (20) is formed on the top of the top fixing bracket (4); Pressure transmitter (8) is placed above support tube (1), and an external mounting bracket (7) is fixed to the outside of the pressure transmitter (8). Support frame (6), the support frame (6) is symmetrically installed on the outside of the outer mounting frame (7); A limiting mounting block (5) is welded and fixed to one side of the support frame (6), and the limiting mounting block (5) cooperates with the mounting groove (20); The detection tube (9) is located at the bottom of the pressure transmitter (8). A second outer sealing sleeve (11) is fixed to the outside of the detection tube (9). The second outer sealing sleeve (11) cooperates with the fixed tube (23).
2. The pipe connection structure according to claim 1, characterized in that: The top fixing bracket (4) and the limiting mounting block (5) are both provided with mounting through holes (13). A mounting screw (14) that mates with the mounting through hole (13) is installed on one side of the top fixing bracket (4). A limiting plate (24) is fixedly connected to one end of the mounting screw (14). A limiting groove (25) that mates with the limiting plate (24) is provided on one side of the top fixing bracket (4). An outer limiting nut (15) is threaded on the outer side of the mounting screw (14).
3. A pipe coupling according to claim 1, wherein: The limiting mounting block (5) is fixedly connected to a side positioning block (16) on the side away from the support frame (6). The side positioning block (16) has symmetrically opened positioning holes (17) inside. The top fixing bracket (4) is welded and fixed to the outside of the side limiting frame (18) to cooperate with the side positioning block (16). The side limiting frame (18) has symmetrically welded and fixed to the inside of the side limiting frame (18) to cooperate with the positioning holes (17).
4. A pipe coupling according to claim 1, wherein: The bottom of the first connecting clamp (2) is bolted with a second connecting clamp (3), which is welded and fixed to the outside of the support pipe (1).
5. A pipe coupling according to claim 1, wherein: The outer side of the support tube (1) is symmetrically welded with an outer limiting ring (21), and the inner side of the first connecting clamp (2) and the second connecting clamp (3) are provided with an inner limiting groove (22) that cooperates with the outer limiting ring (21).
6. A pipe coupling according to claim 1, wherein: The outer side of the detection tube (9) is fixedly connected to a sealing outer cover (12), the sealing outer cover (12) is fixedly connected to a second outer sealing sleeve (11), and the outer side of the fixing tube (23) is fixedly connected to a first outer sealing sleeve (10) that cooperates with the sealing outer cover (12).