Stop valve convenient to connect and install

Abstract

The utility model discloses a stop valve convenient to connect and install, which comprises a stop valve body, connecting pipes are arranged at two ends of the stop valve body, the other ends of the two connecting pipes are fixedly connected with external pipes, the two connecting pipes are communicated with the two external pipes, and double-sealing assemblies are arranged between the two connecting pipes and the stop valve body. The connecting pipe is installed at one end of the stop valve body in a threaded mode, and due to the fact that the outer threads formed in the outer side of the connecting pipe are matched with the inner threads formed in the inner wall of one end of the stop valve body, first sealing can be formed; the sealing gasket arranged at one end of the external pipe can be inserted into the sealing groove formed in one end of the stop valve body, then second sealing can be formed, the situation of water leakage at the connecting position can be effectively avoided, and it can be guaranteed that the situation of water leakage at the connecting position of the stop valve body and the external pipe can not occur through multiple sealing.

Description

Technical Field

[0001] The utility model relates to the technical field of stop valves, in particular to a stop valve which is convenient for connection and installation. Background Art

[0002] The stop valve, also known as the gate valve, is a forced sealing valve. Therefore, when the valve is closed, pressure must be applied to the valve disc to force the sealing surface to prevent leakage. It is one of the most widely used valves. Due to the small friction between the sealing surfaces during the opening and closing process, it is relatively durable, the opening height is not large, it is easy to manufacture and maintain, and it is not only suitable for medium and low pressures, but also for high pressures.

[0003] The existing stop valve is very inconvenient to connect to the external pipeline. The external pipe and the stop valve cannot be quickly and firmly connected and installed. If the installation is not firm, water leakage will occur at the connection. Therefore, a stop valve that is easy to connect and install is proposed to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a stop valve that is easy to connect and install, and is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stop valve that is easy to connect and install comprises a stop valve body, both ends of the stop valve body are provided with connecting pipes, the other ends of the two connecting pipes are fixedly connected with external connecting pipes, the two connecting pipes are communicated with the two external connecting pipes, double sealing components are provided between the two connecting pipes and the stop valve body, the connection between the two external connecting pipes and the stop valve body is sleeved with sealing sleeves, the top and bottom sides of the two sealing sleeves are respectively provided with a first clamping block and a second clamping block, the first clamping block and the second clamping block are both U-shaped, an arc groove is provided between the first clamping block and the second clamping block, the arc groove is adapted to the outer side of the sealing sleeve, and a fixing component is provided between the first clamping block and the second clamping block.

[0007] Preferably, the double sealing assembly includes inner walls at both ends of the stop valve body provided with internal threads, and outer sides of two connecting pipes provided with external threads, and the external threads are consistent with the internal threads.

[0008] Preferably, sealing grooves are provided at both ends of the stop valve body, sealing gaskets are fixedly installed on one side of the two connecting pipes, the two sealing gaskets are adapted to the two sealing grooves, and the two sealing gaskets are respectively inserted into the two sealing grooves.

[0009] Preferably, the fixing assembly includes a connecting block and a fixing block respectively fixedly mounted on one side of the first clamping block and the second clamping block, a plurality of clamping blocks are fixedly mounted on the bottom side of the connecting block, a plurality of clamping slots are provided on the fixing block, and the plurality of clamping blocks are adapted to the plurality of clamping slots.

[0010] Preferably, a through square hole is opened on one side of the fixed block, and a plurality of card blocks are also opened with through square holes, a limiting rod is inserted in the through square hole, one end of the limiting rod passes through the through square hole opened in the fixed block and the through square holes opened in the plurality of card blocks, and extends out of the outside of the fixed block, and a threaded groove is opened on one side of the limiting rod.

[0011] Preferably, a connecting plate and a fixing plate are fixedly installed on one side of the fixing block and the connecting block, respectively, and a fixing hole and a threaded hole are opened on the connecting plate and the fixing plate, respectively, a threaded column is threadedly installed in the fixing hole, and the other end of the threaded column is threadedly penetrated through the threaded hole opened in the connecting plate and is threadedly installed in the threaded groove opened in the limiting rod.

[0012] Preferably, a connecting shaft and a connecting seat are fixedly mounted on the sides of the first clamping block and the second clamping block that are close to each other, respectively, and the connecting shaft and the connecting seat are rotatably connected.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the stop valve which is easy to connect and install, by threading the connecting pipe on one end of the stop valve body, because the external thread provided on the outside of the connecting pipe matches the internal thread provided on the inner wall of one end of the stop valve body, a first seal can be formed, and when the connecting pipe is threadedly installed into one end of the stop valve body, a sealing gasket provided at one end of the external pipe will be inserted into the sealing groove provided at one end of the stop valve body, and then a second seal can be formed, which can effectively avoid water leakage at the connection, and multiple seals can ensure that there will be no water leakage at the connection between the stop valve body and the external pipe.

[0014] By moving the sealing sleeve to the connection between the external pipe and the stop valve body, the sealing sleeve can then form a third seal for the connection. Subsequently, by clamping the first clamp block and the second clamp block on the outside of the sealing sleeve, the arc grooves formed in the first clamp block and the second clamp block can wrap the sealing sleeve, thereby fixing and squeezing the sealing sleeve to avoid slight deviation of the sealing sleeve. By setting the limit rod and the threaded column, a fixed connection can be formed between the fixed block and the connecting block to avoid the possibility of separation of the first clamp block and the second clamp block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of some parts of the structural sealing gasket of the utility model;

[0017] Figure 3 This is a schematic diagram of some parts of the structural connection seat of the utility model;

[0018] Figure 4 It is a schematic diagram of some parts of the threaded column structure of the utility model.

[0019] In the figure: 1. stop valve body; 2. connecting pipe; 3. external pipe; 4. internal thread; 5. external thread; 6. sealing groove; 7. sealing gasket; 8. sealing sleeve; 9. first clamping block; 10. second clamping block; 11. arc groove; 12. connecting shaft; 13. connecting seat; 14. connecting block; 15. fixing block; 16. clamping block; 17. bayonet; 18. limiting rod; 19. threaded groove; 20. fixing plate; 21. connecting plate; 22. fixing hole; 23. threaded hole; 24. threaded column. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1-4 A stop valve that is easy to connect and install, comprising a stop valve body 1, both ends of the stop valve body 1 are provided with connecting pipes 2, the other ends of the two connecting pipes 2 are fixedly connected with external pipes 3, the two connecting pipes 2 are connected with the two external pipes 3, a double sealing component is provided between the two connecting pipes 2 and the stop valve body 1, the connection between the two external pipes 3 and the stop valve body 1 is sleeved with a sealing sleeve 8, the top and bottom sides of the two sealing sleeves 8 are respectively provided with a first clamping block 9 and a second clamping block 10, the first clamping block 9 and the second clamping block 10 are both U-shaped, and an arc groove 1 is provided between the first clamping block 9 and the second clamping block 10 1, the arc groove 11 is adapted to the outer side of the sealing sleeve 8, a fixing component is arranged between the first clamping block 9 and the second clamping block 10, and the inner wall of the stop valve body 1 is threadedly connected to the connecting pipe 2, which is convenient for disassembly and installation, and by clamping the first clamping block 9 and the second clamping block 10 on the outer side of the sealing sleeve 8, the arc grooves 11 provided in the first clamping block 9 and the second clamping block 10 can wrap the sealing sleeve 8, and the sealing sleeve 8 can be fixed and squeezed to avoid slight deviation of the sealing sleeve 8, and multiple seals can ensure that there is no leakage at the connection between the stop valve body 1 and the external pipe 3.

[0022] Specifically, the double sealing component includes internal threads 4 on the inner walls of both ends of the stop valve body 1, external threads 5 on the outer sides of the two connecting pipes 2, the external threads 5 match the internal threads 4, sealing grooves 6 are provided on both ends of the stop valve body 1, and sealing gaskets 7 are fixedly installed on one side of the two connecting pipes 2, the two sealing gaskets 7 are adapted to the two sealing grooves 6, and the two sealing gaskets 7 are respectively inserted into the two sealing grooves 6. By threading the connecting pipe 2 on one end of the stop valve body 1, because the external threads 5 on the outer side of the connecting pipe 2 match the internal threads 4 on the inner wall of one end of the stop valve body 1, a first seal can be formed. When the connecting pipe 2 is threadedly installed into one end of the stop valve body 1, the sealing gasket 7 on one end of the external pipe 3 will be inserted into the sealing groove 6 on one end of the stop valve body 1, and then a second seal can be formed, which can effectively avoid water leakage at the connection.

[0023] Specifically, the fixing assembly includes a connecting block 14 and a fixing block 15 which are respectively fixedly installed on one side of the first clamping block 9 and the second clamping block 10, a plurality of clamping blocks 16 are fixedly installed on the bottom side of the connecting block 14, a plurality of bayonet holes 17 are provided in the fixing block 15, and the plurality of clamping blocks 16 are adapted to the plurality of bayonet holes 17, a through square hole is provided on one side of the fixing block 15, and a through square hole is also provided in the plurality of clamping blocks 16, and a limiting rod 18 is inserted in the through square hole, one end of the limiting rod 18 passes through the through square hole provided in the fixing block 15 and the through square holes provided in the plurality of clamping blocks 16, and extends out of the outside of the fixing block 15, a threaded groove 19 is provided on one side of the limiting rod 18, a connecting plate 21 and a fixing plate 20 are respectively fixedly installed on one side of the fixing block 15 and the connecting block 14, a fixing hole 22 and a threaded hole 23 are respectively provided in the connecting plate 21 and the fixing plate 20, a threaded column 24 is threadedly installed in the fixing hole 22, and the other end of the threaded column 24 is threadedly passed through the threaded hole 23 provided in the connecting plate 21 and is screwed The threads are installed in the thread groove 19 opened by the limit rod 18, and the multiple clamping blocks 16 fixedly installed on the bottom side of the connecting block 14 are respectively clamped in the multiple clamping holes 17 opened by the fixing block 15. After the clamping is completed, the limit rod 18 is passed through the through square holes opened by the fixing block 15 and the multiple clamping blocks 16, and then the other end of the limit rod 18 will extend from the other side of the fixing block 15. When the handle fixedly installed at one end of the limit rod 18 is in contact with one side of the fixing block 15, the thread groove 19 opened on the top side of the limit rod 18 will be aligned with the fixing hole 22 and the threaded hole 23 respectively. Then, the threaded column 24 is threadedly installed in the fixing hole 22, and the other end of the threaded column 24 is threaded through the threaded hole 23 and threadedly installed in the thread groove 19, then the fixing block 15 and the connecting block 14 will form a fixed connection, and when disassembly is required, it is only necessary to thread the threaded column 24 out, and then the limit rod 18 is extracted from the fixing block 15, which is convenient for installation and disassembly.

[0024] Specifically, a connecting shaft 12 and a connecting seat 13 are fixedly installed on the side where the first clamp 9 and the second clamp 10 are close to each other. The connecting shaft 12 and the connecting seat 13 are rotatably connected. By providing the connecting shaft 12 and the connecting seat 13, the opening and closing of the first clamp 9 and the second clamp 10 can be controlled.

[0025] When in use: when the stop valve body 1 needs to be connected to the external pipe 3, by threading the connecting pipe 2 on one end of the stop valve body 1, because the external thread 5 opened on the outside of the connecting pipe 2 matches the internal thread 4 opened on the inner wall of one end of the stop valve body 1, a first seal can be formed. When the connecting pipe 2 is threadedly installed into one end of the stop valve body 1, the sealing gasket 7 opened at one end of the external pipe 3 will be inserted into the sealing groove 6 opened at one end of the stop valve body 1, and then a second seal can be formed, which can effectively avoid water leakage at the connection. After the connection is completed, by moving the sealing sleeve 8 to the connection between the external pipe 3 and the stop valve body 1, the sealing sleeve 8 can form a third seal for the connection. Then, by clamping the first clamping block 9 and the second clamping block 10 on the outside of the sealing sleeve 8, the arc grooves 11 opened in the first clamping block 9 and the second clamping block 10 can wrap the sealing sleeve 8, so that the sealing sleeve 8 can be fixed and squeezed to avoid slight deviation of the sealing sleeve 8. The multiple blocks 16 fixedly installed on the bottom side of the block 14 are respectively clamped in the multiple bayonet holes 17 opened in the fixing block 15. After the clamping is completed, the limiting rod 18 is passed through the through square holes opened in the fixing block 15 and the multiple blocks 16, and then the other end of the limiting rod 18 will extend from the other side of the fixing block 15. When the handle fixedly installed at one end of the limiting rod 18 is in contact with one side of the fixing block 15, the threaded groove 19 opened on the top side of the limiting rod 18 will be aligned with the fixing hole 22 and the threaded hole 23 respectively, and then the threaded column 24 is threadedly installed in the fixing hole 22, and the other end of the threaded column 24 will be threaded through the threaded hole 23 and threadedly installed in the threaded groove 19, and then the fixing block 15 and the connecting block 14 will form a fixed connection, and when disassembly is required, it is only necessary to remove the threaded column 24, and then the limiting rod 18 can be extracted from the fixing block 15, which is convenient for installation and disassembly, and multiple seals can ensure that there will be no leakage at the connection between the stop valve body 1 and the external pipe 3.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stop valve that is easy to connect and install, comprising a stop valve body (1), characterized in that: Both ends of the stop valve body (1) are provided with connecting pipes (2), the other ends of the two connecting pipes (2) are fixedly connected to external pipes (3), the two connecting pipes (2) are connected to the two external pipes (3), a double sealing component is provided between the two connecting pipes (2) and the stop valve body (1), the connection between the two external pipes (3) and the stop valve body (1) is sleeved with a sealing sleeve (8), the top side and the bottom side of the two sealing sleeves (8) are respectively provided with a first clamping block (9) and a second clamping block (10), the first clamping block (9) and the second clamping block (10) are both U-shaped, an arc groove (11) is provided between the first clamping block (9) and the second clamping block (10), the arc groove (11) is adapted to the outer side of the sealing sleeve (8), and a fixing component is provided between the first clamping block (9) and the second clamping block (10).

2. A stop valve that is easy to connect and install according to claim 1, characterized in that: The double sealing assembly comprises a stop valve body (1) with internal threads (4) formed on the inner walls at both ends, and two connecting pipes (2) with external threads (5) formed on the outer sides, wherein the external threads (5) match the internal threads (4).

3. A stop valve that is easy to connect and install according to claim 2, characterized in that: Both ends of the stop valve body (1) are provided with sealing grooves (6), and one side of the two connecting pipes (2) is fixedly installed with sealing gaskets (7), the two sealing gaskets (7) are adapted to the two sealing grooves (6), and the two sealing gaskets (7) are respectively inserted into the two sealing grooves (6).

4. A stop valve that is easy to connect and install according to claim 1, characterized in that: The fixing assembly comprises a connecting block (14) and a fixing block (15) which are respectively fixedly mounted on one side of the first clamping block (9) and the second clamping block (10); a plurality of clamping blocks (16) are fixedly mounted on the bottom side of the connecting block (14); a plurality of clamping ports (17) are provided on the fixing block (15); and the plurality of clamping blocks (16) are adapted to fit the plurality of clamping ports (17).

5. A stop valve that is easy to connect and install according to claim 4, characterized in that: A through square hole is formed on one side of the fixing block (15), and a plurality of the clamping blocks (16) are also provided with through square holes. A limiting rod (18) is inserted into the through square hole. One end of the limiting rod (18) penetrates the through square hole formed on the fixing block (15) and the through square holes formed on the plurality of the clamping blocks (16), and extends out of the outside of the fixing block (15). A threaded groove (19) is formed on one side of the limiting rod (18).

6. A stop valve that is easy to connect and install according to claim 4, characterized in that: A connecting plate (21) and a fixing plate (20) are fixedly mounted on one side of the fixing block (15) and the connecting block (14), respectively; a fixing hole (22) and a threaded hole (23) are respectively provided on the connecting plate (21) and the fixing plate (20); a threaded column (24) is threadedly mounted on the fixing hole (22); the other end of the threaded column (24) is threadedly inserted through the threaded hole (23) provided on the connecting plate (21) and is threadedly mounted in a threaded groove (19) provided on the limiting rod (18).

7. A stop valve that is easy to connect and install according to claim 1, characterized in that: A connecting shaft (12) and a connecting seat (13) are respectively fixedly mounted on the sides of the first clamping block (9) and the second clamping block (10) that are close to each other, and the connecting shaft (12) and the connecting seat (13) are rotatably connected.

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