A joint for chemical pipeline
By designing a chemical pipe joint with a telescopic mechanism, the problem that existing joints cannot adapt to pipe connections of different lengths is solved, the flexibility and applicability of pipe connections is achieved, and the sealing and stability of the joints are ensured.
Patent Information
- Application Number
- CN202421646180.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing chemical pipeline joints are fixed in size and cannot adapt to the connection between longer or shorter pipes, resulting in less applicability.
A joint for chemical pipes is designed, and a telescopic mechanism is used to form a first flange and a second flange. Through the sliding and set of the second connecting barrel and the first connecting barrel, the length of the joint is adjusted, and the normal connection of the pipe is achieved through the expansion and contraction of the bellows.
It realizes the flexibility and applicability of pipe connections, can adjust the length of the joint according to actual needs, and is suitable for pipe connections of different lengths, while ensuring the sealing and stability of the joints.
Smart Images
Figure CN222717703U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline connection, in particular to a joint for a chemical pipeline. Background Art
[0002] Chemical production is a production process that obtains valuable products by chemically processing chemical raw materials. Chemical production is an organic combination of chemical reactions and several physical operations, among which chemical reactions and reactors are the core of chemical production, and physical processes play the role of preparing suitable reaction conditions for chemical reactions and separating and purifying reactants to obtain final products. In chemical production, pipelines are required to transport chemical raw materials, intermediates and final products, but the existing chemical pipeline joints are fixed in length, and users cannot actively adjust the length of the joints, resulting in the inability to connect with longer or shorter pipelines, and the applicability is low. To this end, a joint for chemical pipelines is proposed. Utility Model Content
[0003] The utility model provides a joint for a chemical pipeline to solve or partially solve the problems in the background technology.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A joint for a chemical pipeline comprises a first flange and a second flange, wherein a telescopic mechanism for adjusting the distance between the first flange and the second flange is arranged between the first flange and the second flange, wherein the telescopic mechanism comprises a second connecting tube fixedly mounted on the inner side of the first flange, wherein a plurality of limiting rings are evenly fixedly mounted on the outer side of the second connecting tube, wherein the inner side of the second flange is fixedly connected to the first connecting tube, and the first connecting tube is sleeved on the outer side of the second connecting tube, and a bellows is fixedly connected to the inner walls of the first flange and the second flange.
[0006] Preferably, mounting holes are formed through the outer sides of the first flange and the second flange, the first connecting tube and the second connecting tube are both made of metal hoses, and the size of the first connecting tube is larger than that of the second connecting tube.
[0007] Preferably, an annular groove is formed on the outer wall of the first flange and the second flange, a sealing ring is movably placed in the annular groove, and the sealing ring fits tightly with the annular groove.
[0008] Preferably, two movable holes are symmetrically formed at one end of the first connecting tube close to the first flange, and a limiting component is arranged in the movable hole.
[0009] Preferably, the limiting assembly includes a limiting pin slidably installed in the movable hole, a limiting hole matched with the limiting pin is opened on the side wall of the limiting ring, and the top end of the limiting pin extends to the outside of the first connecting tube and is fixedly connected with a shifting ring.
[0010] Preferably, an annular plate is fixedly connected to the outer wall at the middle position of the limiting pin, and a spring is fixedly connected between the top wall of the annular plate and the top wall of the movable hole.
[0011] The beneficial effects of the utility model are as follows:
[0012] 1. The chemical pipeline joint of the utility model is provided with a telescopic mechanism. When the distance between the pipelines is long, the user pulls the first flange and the second flange to both sides respectively. At this time, the first connecting tube can slide on the outer wall of the second connecting tube, so that the distance between the first flange and the second flange can be increased, and the bellows between the first flange and the second flange can be unfolded, so that the pipelines can be normally connected. When the distance between the pipelines is small, the user squeezes the first flange and the second flange inwardly to make the first connecting tube sleeve on the outside of the second connecting tube, so that the distance between the first flange and the second flange can be shortened. At the same time, the bellows can automatically shrink. The method of use is simple, which is convenient for users to adjust according to actual needs and has strong applicability.
[0013] 2. During use of the chemical pipeline joint of the utility model, the spring can push the annular plate to move downward. At this time, the limit pin can be embedded in the limit hole, so the first connecting tube and the second connecting tube can be fixed, which can improve the stability of the first connecting tube and the second connecting tube, and is beneficial to the use of the first connecting tube and the second connecting tube. When the user pulls the dial ring, the limit pin can slide out of the limit hole. At this time, the first connecting tube and the second connecting tube are separated from each other, which is convenient for the user to adjust the distance between the first flange and the second flange. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the inner side of the first flange of the utility model;
[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;
[0017] Figure 4 For this utility model Figure 3 A is an enlarged view of the middle image.
[0018] In the figure: 1. first flange; 2. mounting hole; 3. first connecting tube; 4. annular groove; 5. sealing ring; 6. bellows; 7. second flange; 8. second connecting tube; 9. limiting ring; 10. limiting hole; 11. shift ring; 12. limiting pin; 13. spring; 14. annular plate; 15. movable hole. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0020] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0021] Embodiment 1:
[0022] See also Figures 1 to 3 The utility model provides a joint for chemical pipelines, and the technical solution is as follows:
[0023] A joint for a chemical pipeline comprises: a first flange 1 and a second flange 7, a telescopic mechanism for adjusting the distance between the first flange 1 and the second flange 7 is arranged between the first flange 1 and the second flange 7, the telescopic mechanism comprises a second connecting tube 8 fixedly installed on the inner side of the first flange 1, a plurality of limit rings 9 are evenly fixedly installed on the outer side of the second connecting tube 8, a first connecting tube 3 is fixedly connected to the inner side of the second flange 7, and the first connecting tube 3 is sleeved on the outer side of the second connecting tube 8, and a bellows 6 is fixedly connected to the inner walls of the first flange 1 and the second flange 7.
[0024] The first flange 1 and the second flange 7 are both provided with mounting holes 2 . The first connecting tube 3 and the second connecting tube 8 are both made of metal hoses, and the size of the first connecting tube 3 is larger than that of the second connecting tube 8 .
[0025] An annular groove 4 is formed on the outer wall of the first flange 1 and the second flange 7 . A sealing ring 5 is movably placed in the annular groove 4 , and the sealing ring 5 is tightly fitted to the annular groove 4 .
[0026] During use, when the distance between the pipes is long, the user pulls the first flange 1 and the second flange 7 to both sides respectively. At this time, the first connecting tube 3 can slide on the outer wall of the second connecting tube 8, so that the distance between the first flange 1 and the second flange 7 can be increased, and the bellows 6 between the first flange 1 and the second flange 7 can be unfolded, so as to ensure the normal connection between the pipes. When the distance between the pipes is short, the user squeezes the first flange 1 and the second flange 7 inward to make the first connecting tube 3 sleeve on the outside of the second connecting tube 8, so as to shorten the distance between the first flange 1 and the second flange 7. At the same time, the bellows 6 can shrink automatically. The method of use is simple, which is convenient for users to adjust according to actual needs and has strong applicability.
[0027] Embodiment 2:
[0028] See also Figures 1 to 4 The utility model provides a joint for chemical pipelines, and the technical solution is as follows
[0029] A joint for a chemical pipeline also includes: two movable holes 15 symmetrically arranged at one end of a first connecting tube 3 close to a first flange 1, and a limit position component is arranged in the movable hole 15.
[0030] The limiting assembly includes a limiting pin 12 slidably installed in the movable hole 15, a limiting hole 10 adapted to the limiting pin 12 is opened on the side wall of the limiting ring 9, and the top end of the limiting pin 12 extends to the outside of the first connecting tube 3 and is fixedly connected to a shifting ring 11.
[0031] An annular plate 14 is fixedly connected to the outer wall at the middle position of the limiting pin 12 , and a spring 13 is fixedly connected between the top wall of the annular plate 14 and the top wall of the movable hole 15 .
[0032] When in use, the spring 13 can push the annular plate 14 to move downward. At this time, the limit pin 12 can be embedded in the limit hole 10, so as to fix the first connecting tube 3 and the second connecting tube 8, thereby improving the stability of the first connecting tube 3 and the second connecting tube 8, and facilitating the use of the first connecting tube 3 and the second connecting tube 8. When the user pulls the dial ring 11, the limit pin 12 can slide out of the limit hole 10. At this time, the first connecting tube 3 and the second connecting tube 8 are separated from each other, which is convenient for the user to adjust the distance between the first flange 1 and the second flange 7.
[0033] Working principle: First, the user adjusts the joint according to actual needs. When the distance between the pipes is long, the user pulls the first flange 1 and the second flange 7 to both sides respectively. At this time, the first connecting tube 3 can slide on the outer wall of the second connecting tube 8, so that the distance between the first flange 1 and the second flange 7 can be increased, and the bellows 6 between the first flange 1 and the second flange 7 can be unfolded, which can ensure that the pipes can be connected normally. When the distance between the pipes is small, the user squeezes the first flange 1 and the second flange 7 inward to make the first connecting tube 3 sleeve on the outside of the second connecting tube 8, which can shorten the distance between the first flange 1 and the second flange 7. At the same time, the bellows 6 can automatically shrink. The method of use is simple, which is convenient for users to adjust according to actual needs and has strong applicability. When in use, the spring 13 can push the active The annular plate 14 in the movable hole 15 moves downward, and at this time the limit pin 12 can be embedded in the limit hole 10 on the limit ring 9, so as to fix the first connecting tube 3 and the second connecting tube 8, thereby improving the stability of the first connecting tube 3 and the second connecting tube 8, and facilitating the use of the first connecting tube 3 and the second connecting tube 8. When the user pulls the dial ring 11, the limit pin 12 can slide out of the limit hole 10, and the first connecting tube 3 and the second connecting tube 8 are separated from each other, so that the user can adjust the distance between the first flange 1 and the second flange 7 conveniently. After the adjustment is completed, the user fixes the first flange 1 and the second flange 7 through the mounting hole 2, and the sealing ring 5 in the annular groove 4 can ensure the sealing of the joint, and the first connecting tube 3 and the second connecting tube 8 made of metal hose can protect the bellows 6, which is beneficial to the long-term use of the bellows 6.
[0034] Of course, the above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection scope of the utility model and should be protected by the utility model.
Claims
1. A joint for a chemical pipeline, comprising a first flange (1) and a second flange (7), characterized in that: A telescopic mechanism for adjusting the distance between the first flange (1) and the second flange (7) is provided between the first flange (1) and the second flange (7), the telescopic mechanism comprising a second connecting tube (8) fixedly mounted on the inner side of the first flange (1), a plurality of limiting rings (9) evenly fixedly mounted on the outer side of the second connecting tube (8), a first connecting tube (3) fixedly connected to the inner side of the second flange (7), and the first connecting tube (3) sleeved on the outer side of the second connecting tube (8), and a bellows (6) fixedly connected to the inner walls of the first flange (1) and the second flange (7).
2. A chemical pipeline joint according to claim 1, characterized in that: The outer sides of the first flange (1) and the second flange (7) are both penetrated by mounting holes (2); the first connecting tube (3) and the second connecting tube (8) are both made of metal hoses, and the size of the first connecting tube (3) is larger than that of the second connecting tube (8).
3. A chemical pipeline joint according to claim 2, characterized in that: An annular groove (4) is provided on the outer wall of the first flange (1) and the second flange (7), a sealing ring (5) is movably placed in the annular groove (4), and the sealing ring (5) is tightly fitted to the annular groove (4).
4. A chemical pipeline joint according to claim 1, characterized in that: Two movable holes (15) are symmetrically formed at one end of the first connecting tube (3) close to the first flange (1), and a limiting component is arranged in the movable hole (15).
5. A chemical pipeline joint according to claim 4, characterized in that: The limiting assembly comprises a limiting pin (12) slidably mounted in a movable hole (15); a limiting hole (10) adapted to the limiting pin (12) is provided on a side wall of the limiting ring (9); the top end of the limiting pin (12) extends to the outside of the first connecting tube (3) and is fixedly connected to a shifting ring (11).
6. A chemical pipeline joint according to claim 5, characterized in that: An annular plate (14) is fixedly connected to the outer wall at the middle position of the limiting pin (12), and a spring (13) is fixedly connected between the top wall of the annular plate (14) and the top wall of the movable hole (15).