Gate valve with multiple valve seats
By designing a multi-seat gate valve and utilizing the cooperation of L-shaped clamps and limit plates, the gate valve can be quickly connected and disconnected from the water pipe. This solves the leakage problem caused by loose connections in existing technologies, improves the stability and sealing of the connection, and reduces the construction cycle and maintenance costs.
Patent Information
- Application Number
- CN202520525838.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-25
AI Technical Summary
In large-scale water supply projects, the bolted connections of hundreds or thousands of gate valves and water pipes significantly extend the construction period and are susceptible to loosening due to pipeline vibration and thermal expansion and contraction, leading to a greatly increased risk of water leakage, resulting in water waste and facility damage.
The valve adopts a multi-seat gate valve design, which utilizes the cooperation of L-shaped clamps, limit plates, and unlocking plates to achieve quick connection and disconnection between the gate valve and the water pipe by rotating the limit plate and unlocking plate. Combined with the limiting mechanism of slots and plugs, the connection stability and sealing are ensured.
It improves the convenience and stability of the connection between the gate valve and the water pipe, reduces the risk of loosening and leakage, reduces the construction period and maintenance costs, and enhances the sealing of the connection.
Smart Images
Figure CN223740048U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of gate valve especially, it is a kind of multi-valve seat gate valve. BACKGROUND
[0002] Gate valve is a shutoff piece gate, the movement direction of gate is perpendicular to fluid direction, gate valve can only be fully opened and closed, cannot be adjusted and throttled, gate valve is sealed by the contact of valve seat and gate, usually the sealing surface will be built up welding metal material to increase wear resistance, such as built up welding 1Cr13, STL6, stainless steel etc., gate has rigid gate and elastic gate, according to the different gate, gate valve is divided into rigid gate valve and elastic gate valve.
[0003] In water supply and drainage system, as the key component for controlling water flow and regulating flow, the convenience, stability and sealing performance of gate valve connected with water pipe are very important, when gate valve is connected with water pipe, pipeline and gate valve are mostly connected by several groups of bolts, but in large water supply project, the connection work of hundreds of gate valves and water pipes not only significantly prolongs the construction period of bolt connection link, but also is easily loosened by the influence of pipeline vibration, thermal expansion and cold shrink, and once loosened, the risk of water leakage increases greatly, thereby not only causing water resource waste, but also possibly causing damage to building structure and surrounding facilities, therefore, a multi-valve seat gate valve is proposed to solve the above problems. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a kind of multi-valve seat gate valve, to improve the connection work of hundreds of gate valves and water pipes in large water supply project in prior art, not only the bolt connection link can significantly prolong the construction period, and bolt connection place is influenced by pipeline vibration, thermal expansion and cold shrink, and it is easy to loosen, once loosened, the risk of water leakage increases greatly, thereby not only causing water resource waste, but also possibly causing damage to building structure and surrounding facilities.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of multi-valve seat gate valve, including gate valve body, the both sides of the gate valve body are connected with connection flange, the outer end of the connection flange is provided with connecting pipeline, the outer side of the connection flange and the inner side of connecting pipeline contact, the surface of the connection flange is fixedly installed with disc, the inner side of the inner wall of the connection flange is fixedly installed with frame, the surface of the connection flange is provided with limiting assembly for limiting the connection flange and connecting pipeline;
[0007] As a further description of the above technical scheme:
[0008] The limiting assembly comprises an L-shaped clamping block, the L-shaped clamping block and the frame are movably installed, the inner side of the inner wall of the L-shaped clamping block and the outer side of the inner wall of the connecting pipeline are in contact, the surface of the connecting flange is movably installed with a limiting disc, the surface of the connecting flange is movably installed with an unlocking disc, the inner end of the limiting disc and the outer end of the unlocking disc are fixedly installed, the inner side of the limiting disc and the outer side of the L-shaped clamping block are in contact, and the outer side of the unlocking disc and the inner side of the L-shaped clamping block are in contact.
[0009] As a further description of the above technical scheme:
[0010] The inner end of the unlocking disc is provided with a plurality of groups of insertion grooves, the outer end of the disc is provided with a plurality of groups of insertion rods, the insertion rods and the insertion grooves are inserted, the inner end of the insertion rod penetrates to the inner end of the disc and is movably installed with the disc;
[0011] As a further description of the above technical scheme:
[0012] The surface of the connecting flange is movably installed with a circular block, the outer end of the circular block and the inner end of the insertion rod are fixedly installed, the surface of the insertion rod is sleeved with a tension spring, the outer end of the tension spring and the inner end of the disc are fixedly installed, and the inner end of the tension spring and the outer end of the circular block are fixedly installed.
[0013] As a further description of the above technical scheme:
[0014] The front side and the rear side of the circular block are fixedly installed with handles, and the handles are used in cooperation with the circular block.
[0015] As a further description of the above technical scheme:
[0016] The top and the bottom of the outer side of the circular block are provided with sliding grooves, the top and the bottom of the surface of the connecting flange are fixedly installed with sliding blocks, and the sliding blocks and the sliding grooves are movably installed.
[0017] As a further description of the above technical scheme:
[0018] The outer end of the connecting flange is provided with a sealing groove, the inner end of the connecting pipeline is fixedly installed with a sealing ring, and the inner end of the sealing ring and the inner wall of the sealing groove are in contact.
[0019] The utility model has the advantages of the following beneficial effects:
[0020] 1. The utility model discloses a right -viewing explosion map of connecting flange and connecting pipeline is provided, and the utility model discloses a left -viewing explosion map of connecting flange and connecting pipeline is provided.
[0021] 2. The utility model discloses a right -viewing explosion map of connecting flange and connecting pipeline is provided, and the utility model discloses a left -viewing explosion map of connecting flange and connecting pipeline is provided. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The utility model provides the connection schematic diagram of gate valve body and connecting pipeline;
[0023] Figure 2 The utility model provides the right -viewing explosion map of connecting flange and connecting pipeline;
[0024] Figure 3 The utility model provides the left -viewing explosion map of connecting flane and connecting pipeline;
[0025] Figure 4 The utility model provides the explosion map of connecting flange and unlocking disc;
[0026] Figure 5 The utility model provides Figure 4 The utility model provides the enlarged structure diagram of A place in
[0027] LEGEND:
[0028] 1, gate valve body;2, connecting flange;3, connecting pipeline;4, disc;5, frame;6, limiting component;61, L-shaped clamping block;62, limiting disc;63, unlocking disc;64, insert groove;65, insert rod;66, round block;67, tension spring;7, handle;8, sliding slot;9, sliding block;10, sealing groove;11, sealing ring. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0030] With reference to Figures 1-5 The utility model provides a kind of embodiment provided by the utility model: a kind of multi-valve seat gate valve, the both sides of gate valve body 1 are connected with connection flange 2, the outer end of connection flange 2 is provided with connecting pipeline 3, the outside of connection flange 2 and the inside of connecting pipeline 3 contact, disc 4 is fixedly installed on the surface of connection flange 2, frame 5 is fixedly installed on the inside of the inner wall of connection flange 2, the surface of connection flange 2 is provided with the limiting assembly 6 for limiting connection flange 2 and connecting pipeline 3, first the connecting pipeline 3 and connection flange 2 needed to be installed can be contacted, then limiting assembly 6 can be used to limit connection flange 2 and connecting pipeline 3, so as to reach the advantage of connecting gate valve body 1 and connecting pipeline 3.
[0031] With reference to Figures 1-5The limiting assembly 6 comprises an L-shaped clamping block 61 movably installed with the frame 5, the inner side of the inner wall of the L-shaped clamping block 61 is in contact with the outer side of the inner wall of the connecting pipeline 3, the surface of the connecting flange 2 is provided with a limiting disc 62 installed through screw threads, the surface of the connecting flange 2 is provided with an unlocking disc 63 installed through screw threads, the inner end of the limiting disc 62 and the outer end of the unlocking disc 63 are fixedly installed, the inner side of the limiting disc 62 is in contact with the outer side of the L-shaped clamping block 61, the outer side of the unlocking disc 63 is in contact with the inner side of the L-shaped clamping block 61, through the cooperation of the L-shaped clamping block 61, the limiting disc 62 and the unlocking disc 63, when the connecting flange 2 and the connecting pipeline 3 need to be installed, at this time, the limiting disc 62 can be rotated inward, the limiting disc 62 moves to press the L-shaped clamping block 61, at this time, the L-shaped clamping block 61 rotates inward and is in contact with the connecting pipeline 3, so that the connecting pipeline 3 and the connecting flange 2 can be connected, when the connecting pipeline 3 needs to be disassembled and repaired, at this time, the unlocking disc 63 can be rotated outward, the unlocking disc 63 presses the L-shaped clamping block 61, at this time, the L-shaped clamping block 61 rotates outward and is separated from the connecting pipeline 3, so that the connecting pipeline 3 can be replaced and repaired, the inner end of the unlocking disc 63 is provided with a plurality of groups of insertion grooves 64, the outer end of the disc 4 is provided with a plurality of groups of insertion rods 65, the insertion rods 65 and the insertion grooves 64 are inserted, the inner end of the insertion rod 65 penetrates to the inner end of the disc 4 and is slidably installed with the disc 4, through the cooperation of the insertion grooves 64 and the insertion rods 65, when the limiting disc 62 limits the L-shaped clamping block 61, at this time, the insertion rod 65 can be pushed outward, the insertion rod 65 moves outward and enters the insertion groove 64, so that the limiting disc 62 and the unlocking disc 63 can be limited, preventing the limiting disc 62 from reversing after limiting the L-shaped clamping block 61, the surface of the connecting flange 2 is slidably installed with a circular block 66, the outer end of the circular block 66 is fixedly installed with the inner end of the insertion rod 65, the surface of the insertion rod 65 is provided with a tension spring 67, the outer end of the tension spring 67 is fixedly installed with the inner end of the disc 4, the inner end of the tension spring 67 is fixedly installed with the outer end of the circular block 66, through the cooperation of the circular block 66 and the tension spring 67, the circular block 66 and the insertion rod 65 are always subjected to the tension of the tension spring 67, so that the insertion rod 65 can be more stable when entering the insertion groove 64.
[0032] Referring to Figures 1-5The front side and the rear side of the round block 66 are fixedly installed with handles 7, the handles 7 are used in cooperation with the round block 66, through the setting of the handles 7, the round block 66 can be pulled conveniently, so that the convenience of the movement of the round block 66 is improved, the top and the bottom of the outer side of the round block 66 are provided with sliding grooves 8, the top and the bottom of the surface of the connecting flange 2 are fixedly installed with sliding blocks 9, the sliding blocks 9 and the sliding grooves 8 are slidingly installed, through the cooperation of the sliding grooves 8 and the sliding blocks 9, the round block 66 can be limited, so that the round block 66 will not rotate when sliding on the surface of the connecting flange 2, the outer end of the connecting flange 2 is provided with a sealing groove 10, the inner end of the connecting pipeline 3 is fixedly installed with a sealing ring 11, the inner end of the sealing ring 11 is in contact with the inner wall of the sealing groove 10, through the cooperation of the sealing groove 10 and the sealing ring 11, the sealing property of the connecting flange 2 and the connecting pipeline 3 when connected can be improved, so that the situation that the connecting flange 2 and the connecting pipeline 3 will leak when connected can be avoided.
[0033] Working principle: when the gate valve body 1 and the connecting pipeline 3 need to be connected, first, the inner end of the connecting pipeline 3 is in contact with the outer end of the connecting flange 2, at this time, the sealing ring 11 enters the inside of the sealing groove 10, then the handle 7 can be pulled inward, the handle 7 moves to drive the round block 66 and the plug rod 65 to move inward, the plug rod 65 moves inward to be separated from the plug groove 64, the round block 66 moves inward to stretch the tension spring 67, when the plug rod 65 is separated from the plug groove 64, the limiting disc 62 can be turned inward at this time, the limiting disc 62 turns to drive the unlocking disc 63 to move inward, the limiting disc 62 moves to press the L-shaped clamp block 61, at this time, the L-shaped clamp block 61 turns inward to be in contact with the connecting pipeline 3, so that the connecting pipeline 3 and the connecting flange 2 can be connected, then the handle 7 can be released, the handle 7, the disc 4 and the plug rod 65 are always subjected to the tension of the tension spring 67, at this time, the plug rod 65 automatically enters the inside of the plug groove 64 to be limited, so that the gate valve body 1 and the connecting pipeline 3 are connected;
[0034] When the connecting pipeline 3 needs to be disassembled and repaired, at this time, the handle 7 can be pulled, the handle 7 drives the disc 4 and the plug to move, after the plug rod 65 is separated from the plug groove 64, the unlocking disc 63 is turned outward, the unlocking disc 63 turns to press the L-shaped clamp block 61, at this time, the L-shaped clamp block 61 moves outward to be separated from the connecting pipeline 3, so that the connecting pipeline 3 can be replaced and repaired.
[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A multi-seated gate valve comprising a gate valve body (1), characterized in that: Both sides of the gate valve body (1) are communicated with the connecting flange (2), the outer end of the connecting flange (2) is provided with a connecting pipeline (3), the outer side of the connecting flange (2) and the inner side of the connecting pipeline (3) are in contact, the surface of the connecting flange (2) is fixedly installed with a disc (4), the inner side of the inner wall of the connecting flange (2) is fixedly installed with a frame (5), and the surface of the connecting flange (2) is provided with a limiting assembly (6) for limiting the connecting flange (2) and the connecting pipeline (3).
2. A multi-seat gate valve according to claim 1, wherein: The limiting assembly (6) comprises an L-shaped clamp block (61), the L-shaped clamp block (61) and the frame (5) are movably installed, the inner side of the inner wall of the L-shaped clamp block (61) and the outer side of the inner wall of the connecting pipeline (3) are in contact, the surface of the connecting flange (2) is screwedly installed with a limiting disc (62), the surface of the connecting flange (2) is screwedly installed with an unlocking disc (63), the inner end of the limiting disc (62) and the outer end of the unlocking disc (63) are fixedly installed, the inner side of the limiting disc (62) and the outer side of the L-shaped clamp block (61) are in contact, and the outer side of the unlocking disc (63) and the inner side of the L-shaped clamp block (61) are in contact.
3. A multi-seat gate valve according to claim 2, wherein: The inner end of the unlocking disc (63) is provided with a plurality of groups of insertion grooves (64), the outer end of the disc (4) is provided with a plurality of groups of insertion rods (65), the insertion rods (65) and the insertion grooves (64) are inserted, and the inner end of the insertion rod (65) penetrates into the inner end of the disc (4) and is slidably installed on the disc (4).
4. A multi-seat gate valve according to claim 3, wherein: The surface of the connecting flange (2) is slidably installed with a circular block (66), the outer end of the circular block (66) and the inner end of the insertion rod (65) are fixedly installed, the surface of the insertion rod (65) is sleeved with a tension spring (67), the outer end of the tension spring (67) and the inner end of the disc (4) are fixedly installed, and the inner end of the tension spring (67) and the outer end of the circular block (66) are fixedly installed.
5. A multi-seat gate valve according to claim 4, wherein: The front side and the rear side of the circular block (66) are fixedly installed with handles (7), and the handles (7) are used in cooperation with the circular block (66).
6. A multiple seat gate valve according to claim 4, wherein: The top and the bottom of the outer side of the circular block (66) are provided with sliding grooves (8), and the top and the bottom of the surface of the connecting flange (2) are fixedly installed with sliding blocks (9), and the sliding blocks (9) and the sliding grooves (8) are slidably installed.
7. A multi-seat gate valve according to claim 1, wherein: The outer end of the connecting flange (2) is provided with a sealing groove (10), and the inner end of the connecting pipeline (3) is fixedly installed with a sealing ring (11), and the inner end of the sealing ring (11) and the inner wall of the sealing groove (10) are in contact.