Hard pipe cover sealing and connecting device
The combination structure of the threaded ring, moving ring and auxiliary cover of the rigid pipe cap sealing connection device solves the problem of pipe wall rupture caused by stress concentration under high pressure environment, and improves stability and airtightness.
Patent Information
- Application Number
- CN202520322199.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing rigid pipe cap sealing connection devices are prone to stress concentration under high pressure environments, which can lead to pipe wall rupture at threaded connection points and affect system stability.
By designing a rigid pipe cap sealing connection device, a combination structure of threaded ring, moving ring, rotating plate and auxiliary cover is adopted to enhance friction and stability and avoid stress concentration.
It achieves stability and airtightness of the sealed connection under high pressure, avoids pipe wall rupture, and improves system stability and ease of operation.
Smart Images

Figure CN223635710U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hard pipe cover sealing connection technical field, especially a kind of hard pipe cover sealing connection device. BACKGROUND
[0002] Hard pipe cover is usually referred to as the cover or cover plate for closing hard pipe, usually made of metal, plastic or other solid materials, commonly used in industry, mechanical equipment or transportation process, to close pipeline, container etc., prevent material leakage, pollution or dust from entering.
[0003] At present, the existing hard pipe cover sealing connection device is usually connected by thread mode with sealing cover and pipeline, but the liquid in pipeline can exert greater pressure on connecting place, and this high pressure can easily lead to stress concentration at the joint between pipeline and sealing cover, and further lead to pipe wall rupture at threaded connection position, thereby affecting the stability of system. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of prior art, the utility model provides a kind of hard pipe cover sealing connection device, solve the liquid in pipeline can exert greater pressure on connecting place, and this high pressure can easily lead to stress concentration at the joint between pipeline and sealing cover, and further lead to pipe wall rupture at threaded connection position, thereby affecting the stability of system.
[0006] (II) technical scheme
[0007] To achieve the above object, the utility model is realized by the following technical scheme: a kind of hard pipe cover sealing connection device, including pipeline, sealing cover, mobile ring and auxiliary cover, the circular arc surface of the pipeline is connected with thread ring, one end of the thread ring is fixedly connected with link ring, the inner wall of the mobile ring is equipped with link groove, the link groove is slidably connected with link ring, the end of the mobile ring away from thread ring is uniformly fixedly connected with three rotating frames, the inner wall of three rotating frames is rotatably connected with rotating plate, the one end of the sealing cover is uniformly equipped with three limit slots, the limit slot is clamped with rotating plate, the inner wall of the sealing cover is equipped with annular groove, the inner wall of the annular groove is fixedly connected with sealing ring.
[0008] Preferably, the circular arc surface of the thread ring is uniformly equipped with several anti-skid lines.
[0009] By adopting the above technical scheme, the friction between hand and thread ring is increased, and the thread ring is conveniently rotated.
[0010] Preferably, the pipeline and thread ring are both stainless steel materials. By adopting the above technical scheme, the two are rusted and difficult to rotate.
[0011] Preferably, the sealing ring is a silica gel ring.
[0012] By adopting the above technical scheme, the air tightness is enhanced.
[0013] Preferably, one side of the sealing cover is provided with a circular groove, and the other side of the auxiliary cover is fixedly connected with an iron block which is in sliding connection with the circular groove.
[0014] By adopting the above technical scheme, the auxiliary cover can be covered on the sealing cover.
[0015] Preferably, the inner wall of the circular groove is fixedly connected with a magnet which is adsorbed to the iron block.
[0016] By adopting the above technical scheme, the stability between the sealing cover and the auxiliary cover is enhanced.
[0017] Preferably, one side of the auxiliary cover is uniformly provided with three positioning grooves which are in size adaptation with the rotating plates.
[0018] By adopting the above technical scheme, the stability is improved, the rotating plate is prevented from leaving the limiting groove, and the limiting effect is achieved.
[0019] (Three) beneficial effects
[0020] The utility model discloses a kind of hard pipe cover sealing connection devices, including sealing cover, auxiliary cover, iron block and magnet, sealing cover is slid into pipeline, then three rotating plates are rotated to the limiting groove on sealing cover, again the iron block on auxiliary cover is slid into pipeline, so that iron block and magnet are adsorbed, rotating plate is prevented from leaving limiting groove, stability is improved, then screw ring is rotated, so that three rotating plates pull the sealing ring in sealing cover and the one end of pipeline extrusion contact, realize sealing effect, it is simple to operate, it is convenient to use, improve the practicality of device. DRAWINGS
[0021] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following detailed description of the preferred example of the utility model and the accompanying drawings.
[0022] Figure 1 It is a three-dimensional structure schematic diagram of hard pipe cover sealing connection device provided by the utility model implementation;
[0023] Figure 2 It is split structure schematic diagram in the utility model embodiment;
[0024] Figure 3 It is split structure schematic diagram in the utility model embodiment;
[0025] Figure 4The partial sectional view structure schematic diagram in the embodiment of the utility model.
[0026] Legend: 1, pipeline; 2, threaded ring; 3, non-slip pattern; 4, adapter ring; 5, moving ring; 6, rotating frame; 7, rotating plate; 8, sealing cover; 9, limiting groove; 10, circular groove; 11, magnet; 12, iron block; 13, auxiliary cover; 14, sealing ring; 15, adapter groove; 16, positioning groove; 17, annular groove. DETAILED DESCRIPTION
[0027] Referring to Figures 1 to 4 The utility model provides a kind of hard pipe cover sealing connection device, including pipeline 1, sealing cover 8, moving ring 5 and auxiliary cover 13, the arc surface of pipeline 1 is connected with threaded ring 2, one end of threaded ring 2 is fixedly connected with adapter ring 4, the inner wall of moving ring 5 is equipped with adapter groove 15, adapter groove 15 is slidably connected with adapter ring 4, the end of moving ring 5 away from threaded ring 2 is evenly fixedly connected with three rotating frames 6, the inner wall of three rotating frames 6 is rotatably connected with rotating plate 7, one end of sealing cover 8 is evenly equipped with three limiting grooves 9, limiting groove 9 is connected with rotating plate 7, threaded ring 2 is rotated, threaded ring 2 drives adapter ring 4 to rotate, adapter ring 4 drives moving ring 5 to move towards the direction away from sealing cover 8, in this process, three rotating plates 7 pull sealing ring 14 in sealing cover 8 and the end of pipeline 1 is extruded contact, the arc surface of threaded ring 2 is evenly equipped with several non-slip patterns 3, increase the friction between hand and threaded ring 2, facilitate threaded ring 2 to be rotated, pipeline 1 and threaded ring 2 are all stainless steel material, avoid that they rust and be difficult to rotate.
[0028] Referring to Figure 3 In the embodiment, the inner wall of sealing cover 8 is equipped with annular groove 17, the inner wall of annular groove 17 is fixedly connected with sealing ring 14, sealing ring 14 is silica gel ring, and air tightness is enhanced.
[0029] Referring to Figure 2 In the embodiment, one side of sealing cover 8 is equipped with circular groove 10, the other side of auxiliary cover 13 is fixedly connected with iron block 12, iron block 12 is slidably connected with circular groove 10, auxiliary cover 13 can be covered on sealing cover 8, the inner wall of circular groove 10 is fixedly connected with magnet 11, magnet 11 is adsorbed with iron block 12, and the stability between sealing cover 8 and auxiliary cover 13 is enhanced, one side of auxiliary cover 13 is evenly equipped with three positioning grooves 16, the size of positioning groove 16 is adapted to the size of rotating plate 7, stability is improved, rotating plate 7 is prevented from leaving limiting groove 9, and limiting effect is achieved.
[0030] The working principle of the hard pipe cover sealing connecting device is as follows: in use, first, the sealing cover 8 is slid into the pipeline 1, then the three rotating plates 7 are rotated into the limiting grooves 9 on the sealing cover 8, then the iron block 12 on the auxiliary cover 13 is aligned with the circular groove 10 on the sealing cover 8 and is slid into the circular groove 10, the iron block 12 is attracted to the magnet 11, the rotating plate 7 is prevented from leaving the limiting groove 9, the stability is improved, then the threaded ring 2 is rotated, the threaded ring 2 drives the connecting ring 4 to rotate, the connecting ring 4 drives the moving ring 5 to move away from the sealing cover 8, in this process, the three rotating plates 7 pull the sealing ring 14 in the sealing cover 8 to be in extrusion contact with one end of the pipeline 1, and the sealing effect is realized.
[0031] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and also impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. A hard pipe cover sealing connection device comprising a pipe (1), a sealing cover (8), a moving ring (5) and an auxiliary cover (13), characterized in that: The pipe (1) is provided with a threaded ring (2) in the arc surface, one end of the threaded ring (2) is fixedly connected with a connecting ring (4), the inner wall of the moving ring (5) is provided with a connecting groove (15), the connecting groove (15) is slidably connected with the connecting ring (4), the end of the moving ring (5) away from the threaded ring (2) is uniformly fixedly connected with three rotating frames (6), the inner wall of the three rotating frames (6) is rotatably connected with rotating plates (7), one end of the sealing cover (8) is uniformly provided with three limiting grooves (9), the limiting grooves (9) are clamped with the rotating plates (7), the inner wall of the sealing cover (8) is provided with an annular groove (17), the inner wall of the annular groove (17) is fixedly connected with a sealing ring (14).
2. A hard pipe cover sealing connection device according to claim 1, wherein: The arc surface of the threaded ring (2) is uniformly provided with a plurality of anti-skid lines (3).
3. A hard pipe cover sealing connection device according to claim 1, wherein: The pipe (1) and the threaded ring (2) are both made of stainless steel.
4. A hard pipe cover sealing connection device according to claim 1, wherein: The sealing ring (14) is a silica gel ring.
5. A hard pipe cover sealing connection device according to claim 1, wherein: One side of the sealing cover (8) is provided with a circular groove (10), the other side of the auxiliary cover (13) is fixedly connected with an iron block (12), the iron block (12) is slidably connected with the circular groove (10).
6. A hard pipe cover sealing connection device according to claim 5, wherein: The inner wall of the circular groove (10) is fixedly connected with a magnet (11), the magnet (11) is adsorbed with the iron block (12).
7. A hard pipe cover sealing connection device according to claim 1, wherein: One side of the auxiliary cover (13) is uniformly provided with three positioning grooves (16), the size of the positioning grooves (16) is matched with the size of the rotating plates (7).