Double-flange force transmission connector
By introducing a multi-layer sealing structure and spring design into the double-flange force transmission joint, the problem of inadequate sealing is solved, achieving effective sealing between the expansion joint and the short pipe flange, preventing liquid leakage, and improving the reliability of the connection.
Patent Information
- Application Number
- CN202520305720.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Double flange force transmission joints are prone to poor sealing during connection, leading to leakage, especially at expansion joints.
The system employs a multi-layer sealing structure, including a third sealing ring, a second sealing ring, and a first sealing ring. Combined with a spring and groove design, it ensures a tight seal between the expansion joint and the short pipe flange. The sealing rings are secured with mounting bolts and nuts to prevent leakage.
This achieves a double seal between the expansion joint and the short pipe flange, effectively preventing liquid leakage and improving the sealing performance and reliability of the connection.
Smart Images
Figure CN223708899U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to double flange force transmission technical field, concretely is a double flange force transmission joint. BACKGROUND
[0002] The double flange force transmission joint is composed of a flange sleeve expansion joint, a short pipe flange and a force transmission screw, can reduce the pressure thrust (blind plate force) of the connected parts and compensate the installation error of the pipeline, cannot absorb axial displacement, and the sealing degree may be insufficient when the double flange force transmission joint is connected, and liquid leakage may occur, especially at the expansion joint of the double flange force transmission joint, and the liquid leakage is more likely to occur, therefore, in order to avoid the leakage of the double flange force transmission joint during use, the double flange force transmission joint is provided. SUMMARY
[0003] The utility model discloses to the deficiency of prior art, provide a double flange force transmission joint to solve the problem in the background art.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a double flange force transmission joint, including expansion joint and short pipe flange, the top of short pipe flan is provided with the insertion slot that can supply expansion joint and insert, the third sealing ring is installed to one side of expansion joint in the insertion slot of short pipe flan, the second sealing ring is fixedly installed to the top surface of short pipe flan and located the inside of expansion joint, the recess is set up to the top surface of expansion joint and the bottom surface of short pipe flan, and the spring is arranged in recess, and the first sealing ring is fixedly installed to the end of two spring mutual far away from each other and extends to the outside of expansion joint and short pipe flan.
[0005] As the preferred technical scheme of the utility model, the spring that is arranged in the recess of the top surface of expansion joint and the bottom surface of short pipe flan is fixedly connected with the recess of the top surface of expansion joint and the bottom surface of short pipe flan respectively to the end of mutual close one side inner wall far away from the first sealing ring.
[0006] As the preferred technical scheme of the utility model, the first sealing ring, the second sealing ring and the third sealing ring are all made of rubber material.
[0007] As the preferred technical scheme of the utility model, the outer ring of the second sealing ring is tightly attached to the inner wall of expansion joint.
[0008] As the preferred technical scheme of the utility model, the inner ring and the outer ring of two first sealing rings are tightly attached to the two side inner walls of the top surface of expansion joint and the recess of short pipe flan respectively.
[0009] As the preferred technical scheme of the utility model, the inner ring and the outer ring of the third sealing ring are tightly attached to the two side inner walls of the insertion groove of the short pipe flange.
[0010] As the preferred technical scheme of the utility model, the outer ring upper portion and the outer ring lower portion of the short pipe flange are welded with the first flange plate, and a plurality of mounting holes are formed on the first flange plate; the outer ring upper portion of the telescopic joint is welded with the second flange plate, and a plurality of mounting holes are formed on the second flange plate.
[0011] As the preferred technical scheme of the utility model, a plurality of mounting threaded rods are evenly arranged in the through holes formed on the second flange plate and the first flange plate located at the lower portion, and a plurality of matched nuts are arranged on the mounting threaded rods for fixation; a plurality of mounting bolts are evenly arranged in the through holes formed on the second flange plate and the first flange plate located at the upper portion, and a plurality of matched nuts are arranged on the mounting bolts for fixation.
[0012] Compared with the prior art, the utility model provides a double-flange force transmission joint, which has the following advantages
[0013] Beneficial effects:
[0014] 1、the double-flange force transmission joint, through setting up second sealing ring and third sealing ring etc., can draw out the corresponding length of telescopic joint from the short pipe flange as required, when the telescopic joint is drawn out from the short pipe flange, the third sealing ring can be moved at this time, and the second sealing ring is tightly attached to the inner wall of the telescopic joint, so that the sealing purpose between the telescopic joint and the short pipe flange can be realized, and the leakage of the transported liquid is prevented.
[0015] 2、the double-flange force transmission joint, through setting up spring and first sealing ring etc., after fixing the telescopic joint and the short pipe flange through mounting bolt and nut, it can be installed on the corresponding pipeline through mounting threaded rod and nut, at this time, the installed pipeline can extrude the first sealing ring on the telescopic joint and the short pipe flange respectively, at this time, under the reverse extrusion of the spring, the first sealing ring can seal the connection between the telescopic joint and the pipeline and the connection between the short pipe flange and the pipeline, so that the leakage of the liquid in the pipeline from the connection can be prevented. ACCURACY
[0016] Fig. 1 It is the whole structure schematic view of the utility model;
[0017] Fig. 2 It is the sectional structure schematic view of the telescopic joint and the short pipe flange of the utility model;
[0018] Fig. 3 It is the separation structure schematic view of the telescopic joint and the short pipe flange of the utility model.
[0019] 1, telescopic joint; 2, short pipe flange; 3, first flange plate; 4, mounting threaded rod; 5, mounting bolt; 6, second flange plate; 7, first sealing ring; 8, spring; 9, second sealing ring; 10, third sealing ring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Please refer to Figs. 1-3 In the embodiment, the double-flange force connector comprises a telescopic joint 1 and a short pipe flange 2. An insertion slot is formed in the top of the short pipe flange 2 for the telescopic joint 1 to be inserted into. The telescopic joint 1 can be pulled out of the short pipe flange 2 to adjust the total length. A third sealing ring 10 is mounted on one side of the telescopic joint 1 in the insertion slot of the short pipe flange 2. The third sealing ring 10 can seal the telescopic joint 1 and the short pipe flange 2. A second sealing ring 9 is fixedly installed on the top surface of the short pipe flange 2 inside the telescopic joint 1. The second sealing ring 9 can seal the telescopic joint 1 and the short pipe flange 2, achieving double sealing. A groove is formed in the top surface of the telescopic joint 1 and the bottom surface of the short pipe flange 2, and a spring 8 is arranged in the groove. The ends of the two springs 8 away from each other are fixedly installed with first sealing rings 7 extending to the outside of the telescopic joint 1 and the short pipe flange 2. The spring 8 can press the first sealing ring 7, and the first sealing ring 7 can seal the telescopic joint 1 and the connecting pipe and the short pipe flange 2 and the connecting pipe.
[0022] In the embodiment, the ends of the springs 8 away from the first sealing rings 7 are fixedly connected with the inner walls of the grooves on the top surface of the telescopic joint 1 and the bottom surface of the short pipe flange 2. The first sealing ring 7, the second sealing ring 9 and the third sealing ring 10 are all made of rubber material, which can achieve sealing effect. The outer ring of the second sealing ring 9 is tightly attached to the inner wall of the telescopic joint 1. The inner and outer rings of the two first sealing rings 7 are tightly attached to the inner walls on both sides of the groove formed in the top surface of the telescopic joint 1 and the short pipe flange 2. The inner and outer rings of the third sealing ring 10 are tightly attached to the inner walls on both sides of the insertion slot formed in the short pipe flange 2.
[0023] In this embodiment, the outer ring upper part and lower part of the short pipe flange 2 are welded with the first flange plate 3, and the outer ring upper part of the telescopic joint 1 is welded with the second flange plate 6, and the second flange plate 6 and the through hole of the first flange plate 3 located in the lower part are uniformly provided with a plurality of mounting threaded rods 4, and the mounting threaded rods 4 are provided with a plurality of matched nuts for fixing, and the telescopic joint 1 and the short pipe flange 2 can be fixed through the mounting threaded rods 4 and the nuts.
[0024] The working principle and use process of the utility model are as follows: the double-flange force transmission joint can be pulled out from the short pipe flange 2 to a corresponding length according to needs during use, when the telescopic joint 1 is pulled out from the short pipe flange 2, the third sealing ring 10 can be moved at this time, and the second sealing ring 9 is tightly attached to the inner wall of the telescopic joint 1, so that the sealing purpose between the telescopic joint 1 and the short pipe flange 2 can be achieved, and the transported liquid is prevented from flowing out, after adjusting the telescopic joint 1, the telescopic joint 1 and the short pipe flange 2 can be fixed through the mounting bolt 5 and the nut, then the telescopic joint 1 and the short pipe flange 2 can be installed on the corresponding pipeline through the mounting threaded rod 4 and the nut, at this time, the pipeline can extrude the first sealing ring 7 on the telescopic joint 1 and the short pipe flange 2 respectively, at this time, the first sealing ring 7 can seal the connection between the telescopic joint 1 and the pipeline and the connection between the short pipe flange 2 and the pipeline under the reverse extrusion of the spring 8, and the liquid in the pipeline can be prevented from leaking from the connection.
[0025] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A double flanged force transmission joint comprising a telescopic joint (1) and a spool flange (2), characterized in that: The top of the short pipe flange (2) is provided with an insertion slot for inserting the expansion joint (1), one side of the expansion joint (1) located in the insertion slot of the short pipe flange (2) is provided with a third sealing ring (10), the top surface of the short pipe flange (2) and inside the expansion joint (1) is fixedly provided with a second sealing ring (9), the top surface of the expansion joint (1) and the bottom surface of the short pipe flange (2) are both provided with grooves, and the grooves are provided with springs (8), and the ends of the two springs (8) away from each other are respectively fixedly provided with first sealing rings (7) extending to the outside of the expansion joint (1) and the short pipe flange (2).
2. A dual flange coupling as claimed in claim 1, wherein: The ends of the springs (8) provided in the grooves of the top surface of the expansion joint (1) and the bottom surface of the short pipe flange (2) away from the first sealing rings (7) are respectively fixedly connected with the inner walls of the grooves of the top surface of the expansion joint (1) and the bottom surface of the short pipe flange (2) close to each other.
3. A dual flange coupling as claimed in claim 1, wherein: The first sealing ring (7), the second sealing ring (9) and the third sealing ring (10) are all made of rubber material.
4. A dual flange coupling as claimed in claim 1, wherein: The outer ring of the second sealing ring (9) is tightly attached to the inner wall of the expansion joint (1).
5. A dual flange coupling as claimed in claim 1, wherein: The inner and outer rings of the two first sealing rings (7) are respectively tightly attached to the top surface of the expansion joint (1) and the two side inner walls of the groove of the short pipe flange (2).
6. A dual flange coupling as claimed in claim 1, wherein: The inner and outer rings of the third sealing ring (10) are respectively tightly attached to the two side inner walls of the insertion slot of the short pipe flange (2).
7. A dual flange coupling as claimed in claim 1, wherein: The upper and lower parts of the outer ring of the short pipe flange (2) are both welded with first flange plates (3), and a plurality of mounting holes are formed in the first flange plates (3), the upper part of the outer ring of the expansion joint (1) is welded with a second flange plate (6), and a plurality of mounting holes are formed in the second flange plate (6).
8. A dual flange coupling as claimed in claim 7, wherein: A plurality of mounting threaded rods (4) are uniformly arranged in the through holes of the second flange plate (6) and the lower first flange plate (3), and a plurality of matched nuts are arranged on the mounting threaded rods (4) for fixation, and mounting bolts (5) are uniformly arranged in the through holes of the second flange plate (6) and the upper first flange plate (3), and a plurality of matched nuts are arranged on the mounting bolts (5) for fixation.