Self-locking pneumatic gate valve
By designing damping rods, buffering springs and sealing components such as sealing rings in the pneumatic gate valve, the damage caused by the rapid rise of the gate and the poor sealing effect are solved, and the effective buffering protection of the gate and efficient sealing of the valve are achieved.
Patent Information
- Application Number
- CN202421682377.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-16
AI Technical Summary
When used, the existing pneumatic gate valves are used, because the gate rises too fast, it is easy to hit the top plate, causing wear and damage to the surface of the gate, reducing the service life of the gate and poor sealing effect.
A self-lockable pneumatic gate valve is designed. By installing buffer components such as damping rods, buffering springs, guide rods and return springs on the gate, the damping rods and buffering springs are used to cushion protection when the gate plate rises, to prevent collision between the gate plate and the top plate; at the same time, self-locking sealing between the gate plate and the valve body is achieved through sealing components such as sealing rings, sealing gaskets and adhesive layers.
It effectively avoids collision and damage between the gate plate and the top plate, improves the service life of the gate plate, and improves the sealing effect of the valve through the self-locking sealing assembly, and has a simple structure.
Smart Images
Figure CN222811240U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pneumatic gate valves, in particular to a self-locking pneumatic gate valve. Background Art
[0002] The pneumatic gate valve consists of a valve body, a gate, a sealing device and a pneumatic actuator. The valve body is the main part of the valve, usually made of cast iron or stainless steel, with good corrosion resistance and strength. The gate is a key component of the valve, which cuts off or regulates the fluid by cooperating with the counterpart of the valve body. The sealing device is used to ensure that the valve has good sealing performance in the closed state to prevent fluid leakage.
[0003] The existing pneumatic gate valve has certain problems when in use. When the cylinder raises and lowers the gate, it is easy to hit the top plate due to the rapid rising speed of the gate, causing wear on the gate surface and even damage over a long period of time, reducing the service life of the gate. It cannot provide good buffering protection for the gate and is inconvenient to use. In view of the above problems, a self-locking pneumatic gate valve is proposed for improvement and upgrading. Utility Model Content
[0004] The utility model aims to provide a self-locking pneumatic gate valve to solve the problems raised in the above background technology.
[0005] In order to solve the above problems, the following technical solutions are provided:
[0006] A self-locking pneumatic gate valve is designed, including a device body, the device body includes a fixing frame, a cylinder and a valve body, a top plate is fixedly arranged in the middle of the fixing frame, a cylinder is fixedly arranged on the upper end surface of the top plate, one end of the cylinder passes through the inside of the top plate and the extending end is connected with a fixing buckle, a buffer assembly is arranged under the top plate, the fixing buckle is installed on a first gate plate, the first gate plate is slidably connected to the inside of the valve body, sealing assemblies are arranged on the front and rear sides of the outer wall of the first gate plate, an alarm is fixedly arranged on the outer wall of the fixing frame, and two placement grooves are provided on the upper end surface of the valve body.
[0007] Furthermore, the sealing assembly includes a mounting plate, a sealing ring and a sealing gasket. A mounting groove is provided inside the mounting plate, and the sealing ring and the sealing gasket are both arranged inside the mounting groove.
[0008] Furthermore, an adhesive layer is provided on the upper end surface of the sealing gasket and a sealing ring is connected to the upper end of the adhesive layer. Insertion rods are provided at both ends of the sealing ring and the sealing gasket and one end of the insertion rod is arranged inside the placement groove.
[0009] Furthermore, a slide groove is provided on the inner wall of the fixing frame, the first gate plate is slidably connected inside the slide groove, the buffer assembly includes a pressure plate, a damping rod and a first mounting seat, two groups of damping rods are symmetrically arranged on the upper end surface of the pressure plate and a buffer spring is sleeved on the outer wall of the damping rod.
[0010] Furthermore, two first mounting seats are symmetrically arranged, the two first mounting seats are rotatably connected with fixed shafts inside and the outer wall of the fixed shaft is fixedly connected with a guide rod, the other end of the guide rod is connected to the fixed shaft, and the fixed shaft is rotatably connected to the second mounting seat.
[0011] Furthermore, a return spring is sleeved on the outer wall of the guide rod, and the second mounting seat is fixedly mounted on the lower end of the top plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model is provided with components such as a damping rod, a buffer spring, a first mounting seat, a guide rod, a second mounting seat, a return spring, and a pressure plate. The first gate plate is raised along the slide groove by driving the air cylinder so that the fixing buckle squeezes the damping rod on the pressure plate. The damping rod is buffered by the buffer spring. At the same time, the pressure plate squeezes the second mounting seat by the guide rod connected to the fixed shaft inside the first mounting seat at the upper end, and then the return spring on the outer wall of the guide rod is used for secondary buffering, which is beneficial to buffering protection when the gate plate is lifted and lowered, avoiding problems such as damage caused by collision between the gate plate and the top plate, and prolonging its service life. The structure is simple.
[0014] 2. The utility model device is provided with components such as mounting plates, plug rods, sealing rings, sealing pads, adhesive layers, etc. When the valve body is completely sealed and connected by the first gate plate, the two mounting plates on the outer wall of the first gate plate are fitted inside the placement groove on the valve body. By arranging sealing rings and sealing pads inside the mounting plates and fixing them on the placement grooves by plug rods, the first gate plate can effectively seal the valve body when it is connected and self-locked, which is beneficial to improve the connection sealing effect.
[0015] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 This is a schematic diagram of the overall structure of a self-locking pneumatic gate valve of the utility model;
[0018] Figure 2 This is a schematic diagram of the side movement structure of a self-locking pneumatic gate valve of the utility model;
[0019] Figure 3 for Figure 2 Schematic diagram of local split structure;
[0020] Figure 4 for Figure 3 Schematic diagram of local decomposition structure;
[0021] Figure 5 for Figure 2 Schematic diagram of the partially enlarged split structure.
[0022] In the figure: 1. device body; 2. fixing frame; 3. valve body; 4. sealing assembly; 41. mounting plate; 42. mounting groove; 43. sealing ring; 44. sealing gasket; 45. adhesive layer; 46. plug rod; 5. cylinder; 6. top plate; 7. buffer assembly; 71. damping rod; 72. buffer spring; 73. first mounting seat; 74. guide rod; 75. second mounting seat; 76. reset spring; 77. fixed shaft; 78. pressure plate; 8. fixing buckle; 9. first gate plate; 10. alarm; 11. placement groove; 12. slide groove. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] like Figure 1 - Figure 5 As shown, the present embodiment provides a self-locking pneumatic gate valve, including a device body 1, the device body 1 includes a fixing frame 2, a cylinder 5 and a valve body 3, a top plate 6 is fixedly arranged in the middle of the fixing frame 2, a cylinder 5 is fixedly arranged on the upper end surface of the top plate 6, one end of the cylinder 5 passes through the inside of the top plate 6 and the extending end is connected with a fixing buckle 8, a buffer assembly 7 is arranged under the top plate 6, the fixing buckle 8 is installed on the first gate plate 9, the first gate plate 9 is slidably connected to the inside of the valve body 3, sealing assemblies 4 are arranged on the front and rear sides of the outer wall of the first gate plate 9, an alarm 10 is fixedly arranged on the outer wall of the fixing frame 2, and two placement grooves 11 are provided on the upper end surface of the valve body 3.
[0025] Preferably, the sealing assembly 4 includes a mounting plate 41, a sealing ring 43 and a sealing gasket 44, a mounting groove 42 is opened inside the mounting plate 41, the sealing ring 43 and the sealing gasket 44 are both arranged inside the mounting groove 42, an adhesive layer 45 is provided on the upper end surface of the sealing gasket 44, and the sealing ring 43 is connected to the upper end of the adhesive layer 45, and an insertion rod 46 is provided at both ends of the sealing ring 43 and the sealing gasket 44, and one end of the insertion rod 46 is arranged inside the placement groove 11.
[0026] When the valve body 3 is completely sealed and connected by the first gate plate 9, the two mounting plates 41 on the outer wall of the first gate plate 9 fit into the placement groove 11 on the valve body 3 to seal it. By arranging a sealing ring 43 and a sealing gasket 44 inside the mounting plate 41 and fixing it to the placement groove 11 with an insert rod 46, the first gate plate 9 can effectively seal the valve body 3 when it is connected and self-locked.
[0027] Preferably, a slide groove 12 is provided on the inner wall of the fixed frame 2, and the first gate plate 9 is slidably connected inside the slide groove 12. The buffer assembly 7 includes a pressure plate 78, a damping rod 71 and a first mounting seat 73. Two groups of damping rods 71 are symmetrically arranged on the upper end surface of the pressure plate 78, and the outer wall of the damping rod 71 is sleeved with a buffer spring 72. Two first mounting seats 73 are symmetrically arranged, and the two first mounting seats 73 are rotatably connected with a fixed shaft 77 inside and the outer wall of the fixed shaft 77 is fixedly connected with a guide rod 74, the other end of the guide rod 74 is connected to the fixed shaft 77, and the fixed shaft 77 is rotatably connected to the second mounting seat 75. The outer wall of the guide rod 74 is sleeved with a return spring 76, and the second mounting seat 75 is fixedly installed at the lower end of the top plate 6.
[0028] The first gate plate 9 is raised along the slide groove 12 by driving the cylinder 5. At this time, due to the excessive speed of the first gate plate 9, its fixing buckle 8 squeezes the damping rod 71 on the pressure plate 78, and the damping rod 71 is buffered by the buffer spring 72. At the same time, the pressure plate 78 squeezes the second mounting seat 75 by the guide rod 74 connected to the fixed shaft 77 inside the first mounting seat 73 at the upper end, and then uses the return spring 76 on the outer wall of the guide rod 74 to perform secondary buffering.
[0029] The use principle and use process of the utility model are as follows: first, the external power supply is turned on, and the staff drives the cylinder 5 on the fixing frame 2 to drive the first gate plate 9 on the fixing buckle 8 to slide inside the valve body 3. When the first gate plate 9 completely seals the valve body 3, the two mounting plates 41 on the outer wall of the first gate plate 9 fit inside the placement groove 11 on the valve body 3, which can be sealed. By arranging a sealing ring 43 and a sealing gasket 44 inside the mounting plate 41, and fixing it on the placement groove 11 with a plug rod 46, the first gate plate 9 is effectively sealed when it is connected to the valve body 3 for self-locking. When a short circuit occurs, the fixing The internal circuit module of the frame 2 transmits information to the alarm 10 to remind the staff to turn off the power. After use, the first gate plate 9 is raised along the slide groove 12 by driving the cylinder 5. At this time, due to the excessive speed of the first gate plate 9, its fixing buckle 8 squeezes the damping rod 71 on the pressure plate 78, and the damping rod 71 is buffered by the buffer spring 72. At the same time, the pressure plate 78 uses the guide rod 74 connected to the fixed shaft 77 inside the first mounting seat 73 at the upper end to squeeze the second mounting seat 75, and then uses the reset spring 76 on the outer wall of the guide rod 74 to perform secondary buffering, which can provide buffering protection for the rise of the first gate plate 9.
[0030] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
Claims
1. A self-locking pneumatic gate valve, characterized in that: The invention comprises a device body (1), wherein the device body (1) comprises a fixing frame (2), a cylinder (5) and a valve body (3); a top plate (6) is fixedly arranged in the middle of the fixing frame (2); a cylinder (5) is fixedly arranged on the upper end surface of the top plate (6); one end of the cylinder (5) passes through the interior of the top plate (6) and the extended end is connected to a fixing buckle (8); a buffer component (7) is arranged below the top plate (6); the fixing buckle (8) is installed on a first gate plate (9); the first gate plate (9) is slidably connected to the interior of the valve body (3); sealing components (4) are arranged on the front and rear sides of the outer wall of the first gate plate (9); an alarm (10) is fixedly arranged on the outer wall of the fixing frame (2); and two placement grooves (11) are provided on the upper end surface of the valve body (3).
2. A self-locking pneumatic gate valve according to claim 1, characterized in that: The sealing assembly (4) comprises a mounting plate (41), a sealing ring (43) and a sealing gasket (44); a mounting groove (42) is provided inside the mounting plate (41); and the sealing ring (43) and the sealing gasket (44) are both arranged inside the mounting groove (42).
3. A self-locking pneumatic gate valve according to claim 2, characterized in that: The upper end surface of the sealing pad (44) is provided with an adhesive layer (45), and the upper end of the adhesive layer (45) is connected to a sealing ring (43), and both ends of the sealing ring (43) and the sealing pad (44) are provided with an insertion rod (46), and one end of the insertion rod (46) is arranged inside the placement groove (11).
4. A self-locking pneumatic gate valve according to claim 1, characterized in that: The inner wall of the fixing frame (2) is provided with a slide groove (12), the first gate plate (9) is slidably connected inside the slide groove (12), the buffer assembly (7) comprises a pressure plate (78), a damping rod (71) and a first mounting seat (73), two groups of damping rods (71) are symmetrically arranged on the upper end surface of the pressure plate (78), and a buffer spring (72) is sleeved on the outer wall of the damping rod (71).
5. A self-locking pneumatic gate valve according to claim 4, characterized in that: Two of the first mounting seats (73) are symmetrically arranged, and a fixed shaft (77) is rotatably connected inside the two first mounting seats (73), and a guide rod (74) is fixedly connected to the outer wall of the fixed shaft (77), and the other end of the guide rod (74) is connected to the fixed shaft (77), and the fixed shaft (77) is rotatably connected to the second mounting seat (75).
6. A self-locking pneumatic gate valve according to claim 5, characterized in that: The outer wall of the guide rod (74) is sleeved with a return spring (76), and the second mounting seat (75) is fixedly mounted under the top plate (6).