Rolling self-closing energy-saving gate valve

Abstract

The utility model provides a rolling self-closing energy-saving gate valve, which relates to the technical field of gate valves, and comprises a valve seat, an upper valve body and an upper mounting seat, the lower part of the upper valve body is sleeved outside the middle part of the valve seat, the upper end of the upper valve body is provided with a middle connecting flange, an upper cover plate is arranged on the middle connecting flange, the upper end of the upper cover plate is provided with the upper mounting seat, and the lower end of the upper mounting seat is provided with a lower connecting flange. An electromagnetic control structure is mounted at the upper end of the upper mounting seat, a plurality of groups of long bolts are mounted on the electromagnetic control structure, flow guide sleeves are arranged on the left portion and the right portion in the valve seat, the valve seat is connected with the upper valve body, an inlet is formed in the left side of the valve seat, and an outlet is formed in the right side of the valve seat. According to the utility model, automatic control, remote control and centralized control can be realized under the cooperation of electric-hydraulic control operation, pump valve integrated operation can be realized, water hammer damage in a pipe network is avoided, head loss is reduced, electric energy is saved, the performance is strong and stable, safety and reliability are realized, the service life is long, and the maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of gate valves, in particular to a rolling self-closing energy-saving gate valve. Background Art

[0002] A gate valve is a device that controls the flow of water through an opening and closing member. When controlling the gate valve to open or close, the operator can rotate the handwheel to drive the valve stem to move, thereby driving the opening and closing member to move up or down through the valve stem. In the specification of a gate valve with rust-proof function in the prior art (Announcement No. CN208595250U), it is mentioned that "a central hole is provided at the center of the upper part of the valve body, which is connected to the internal space of the valve body. A valve stem is installed in the central hole. The upper end of the valve stem passes through the central hole and is connected to the handwheel. The lower end of the valve stem passes through the internal space of the valve body and is connected to the opening and closing member. It is characterized in that: the upper part of the valve body is provided with a receiving cavity, and the central hole is connected to the internal space of the valve body through the receiving cavity; the lower part of the valve stem is located in the receiving cavity, and a corrugated expansion sleeve is provided on the outer sleeve of the lower part of the valve stem; a fixing ring is fixed to the upper inner wall of the receiving cavity; and the upper end of the corrugated expansion sleeve is fixed to the lower surface of the fixing ring." However, the gate valve of the prior art is prone to head loss and wear in the valve body during operation. Leakage may occur after wear, and it is not energy-saving, stable and practical. Utility Model Content

[0003] In order to overcome the defects of the existing technology, a rolling self-closing energy-saving gate valve is now provided to solve the problems that the gate valves in the existing technology are prone to head loss and wear in the valve body during operation, which may cause leakage after wear and is not energy-saving, stable and practical.

[0004] To achieve the above-mentioned purpose, a rolling self-closing energy-saving gate valve is provided, which is characterized in that it includes a valve seat, an upper valve body and an upper mounting seat, the lower part of the upper valve body is sleeved outside the middle part of the valve seat, and the upper end of the upper valve body is provided with a middle connecting flange, and an upper cover plate is installed on the middle connecting flange, the upper end of the upper cover plate is installed with an upper mounting seat, a telescopic cylinder is provided at the center of the lower end face of the upper mounting seat, a plug plate is provided at the lower end of the telescopic cylinder, and the lower end of the plug plate is fixed in the gate plate, the gate plate is lifted and moved in the vertical direction, and the lower end of the gate plate is engaged in the lower slot, and a protective frame is provided on the upper outer side of the telescopic cylinder, and an electromagnetic control structure is installed on the upper end of the upper mounting seat, the electromagnetic control structure is installed with multiple groups of long bolts, guide sleeves are provided on the left and right parts of the valve seat, and the valve seat and the upper valve body are connected.

[0005] Furthermore, an inlet is provided on the left side of the valve seat, and an outlet is provided on the right side of the valve seat, a lower connecting flange is provided on the outer side of the outlet, and the inlet and outlet are symmetrical about the center line of the valve seat.

[0006] Furthermore, a guide line is provided on the inner side wall of the guide sleeve, and the guide sleeve is wide inside and narrow outside, and the guide sleeve is a detachable structure.

[0007] Furthermore, a lower groove is provided in the middle of the inner bottom of the valve seat, an anti-wear sleeve is provided in the lower groove, and the anti-wear sleeve is made of silicone rubber.

[0008] Furthermore, a middle baffle is provided in the middle of the upper valve body, a movable cavity is opened in the middle baffle, a middle sealing sleeve is provided at the upper end of the middle baffle, and an upper sealing sleeve is provided at the inner top of the upper cover plate, and both the middle sealing sleeve and the upper sealing sleeve are made of rubber.

[0009] The beneficial effects of the present invention are:

[0010] 1. The two guide sleeves on the left and right sides of the valve seat of the utility model are set to slow down the flow rate of the conveyed medium, which not only reduces the impact force of the medium, but also reduces the wear on the valve body, making the diversion more stable and gentle, safer and more durable.

[0011] 2. The electromagnetic control structure installed at the upper end of the upper mounting seat in the utility model can realize automatic control, remote control and centralized control under the cooperation of electro-hydraulic control operation, which is more intelligent and convenient. It is convenient to control the telescopic activity of the telescopic cylinder to push the gate to cut off the flow of the medium quickly and tightly, and the opening is stable and accurate, which is more convenient and practical.

[0012] 3. The setting of the upper valve body in the utility model helps to better protect the gate lifting activity, and the protection is tight and reliable, avoiding leakage, which is safer and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0014] Figure 2 This is a front view schematic diagram of the valve seat according to an embodiment of the utility model;

[0015] Figure 3 This is a left side schematic diagram of the valve seat according to an embodiment of the present utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the valve seat according to an embodiment of the present invention.

[0017] In the figure: 1. Valve seat; 10. Lower groove; 11. Inlet; 12. Guide sleeve; 13. Guide line; 14. Anti-wear sleeve; 15. Outlet; 16. Lower connecting flange; 2. Upper valve body; 20. Middle baffle; 21. Movable cavity; 22. Middle connecting flange; 23. Middle sealing sleeve; 24. Upper cover; 25. Upper sealing sleeve; 3. Upper mounting seat; 30. Protective frame; 31. Telescopic cylinder; 32. Insert plate; 33. Gate; 4. Electromagnetic control structure; 40. Long bolt. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the present invention. The described embodiments are part of the embodiments of the present disclosure, not all of them. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0019] The specific implementation of the present utility model will be described in detail below with reference to the accompanying drawings.

[0020] Figure 1 This is a front view schematic diagram of an embodiment of the utility model, Figure 2 This is a front view of the valve seat of the embodiment of the utility model, Figure 3 The left side view of the valve seat of the embodiment of the utility model and Figure 4 This is a schematic diagram of the internal structure of the valve seat according to an embodiment of the present invention.

[0021] Reference Figures 1 to 4 As shown, the utility model provides a rolling self-closing energy-saving gate valve, including a valve seat 1, an upper valve body 2 and an upper mounting seat 3. The lower part of the upper valve body 2 is sleeved outside the middle part of the valve seat 1, and the upper end of the upper valve body 2 is provided with a middle connecting flange 22, and an upper cover plate 24 is installed on the middle connecting flange 22, the upper end of the upper cover plate 24 is installed with the upper mounting seat 3, and the upper end of the upper mounting seat 3 is installed with an electromagnetic control structure 4, and the left and right parts of the valve seat 1 are provided with guide sleeves 12, and the valve seat 1 and the upper valve body 2 are connected.

[0022] In this embodiment, an inlet 11 is provided on the left side of the valve seat 1, and an outlet 15 is provided on the right side of the valve seat 1, and a lower connecting flange 16 is provided on the outer side of the outlet 15, and the inlet 11 and the outlet 15 are symmetrical about the center line of the valve seat 1; a guide line 13 is provided on the inner side wall of the guide sleeve 12, and the guide sleeve 12 is wide inside and narrow outside, and the guide sleeve 12 is a detachable structure.

[0023] As a preferred embodiment, the left and right guide sleeves 12 in the valve seat 1 of the utility model are set to slow down the flow rate of the conveyed medium, which not only reduces the impact force of the medium, but also reduces the wear on the valve body, making the diversion more stable and gentle, safer and more durable.

[0024] In this embodiment, a lower groove 10 is provided in the middle of the inner bottom of the valve seat 1, and an anti-wear sleeve 14 is provided in the lower groove 10, and the anti-wear sleeve 14 is made of silicone rubber; a telescopic cylinder 31 is provided in the center of the lower end surface of the upper mounting seat 3, and a plug plate 32 is provided at the lower end of the telescopic cylinder 31, and the lower end of the plug plate 32 is fixed in the gate plate 33, the gate plate 33 is lifted and lowered in the vertical direction, and the lower end of the gate plate 33 is embedded in the lower groove 10, and a protective frame 30 is provided on the upper outer side of the telescopic cylinder 31.

[0025] As a preferred embodiment, the electromagnetic control structure 4 installed at the upper end of the upper mounting seat 3 in the utility model can realize automatic control, remote control and centralized control under the cooperation of electro-hydraulic control operation, which is more intelligent and convenient, and can conveniently control the telescopic cylinder 31 to telescope and push the gate 33 to cut off the flow of the medium quickly and tightly, and the opening is stable and accurate, which is more convenient and practical.

[0026] In this embodiment, a middle baffle 20 is provided in the middle of the upper valve body 2, a movable cavity 21 is opened in the middle baffle 20, and a middle sealing sleeve 23 is provided at the upper end of the middle baffle 20, and an upper sealing sleeve 25 is provided at the inner top of the upper cover plate 24, and the middle sealing sleeve 23 and the upper sealing sleeve 25 are both made of rubber.

[0027] As a preferred embodiment, the arrangement of the upper valve body 2 in the present invention helps to better protect the gate plate's lifting and lowering activities, and the protection is tight and reliable, avoiding leakage, and is safer and more practical.

[0028] The utility model can effectively solve the problems of the gate valve in the prior art that the water head loss and the wear in the valve body are easy to occur during the operation, leakage may occur after the wear, and the gate valve is not energy-saving, stable and practical. The utility model can realize automatic control, remote control and centralized control under the cooperation of electro-hydraulic control operation, and can realize the integrated operation of pump and valve. At the same time, the valve can automatically close when the power is off. Compared with manual and electric valves, it has better water hammer hazards in the pipeline network, reduces water head loss, saves electricity, has strong and stable performance, is safe and reliable, has a long service life, and is easy to maintain.

[0029] The above embodiments are used to illustrate the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the scope of protection of the present invention.

Claims

1. A rolling self-closing energy-saving gate valve, characterized by: The valve seat (1) comprises an upper valve body (2) and an upper mounting seat (3), wherein the lower portion of the upper valve body (2) is sleeved outside the middle portion of the valve seat (1), and the upper end of the upper valve body (2) is provided with a middle connecting flange (22), and an upper cover plate (24) is installed on the middle connecting flange (22), the upper end of the upper cover plate (24) is installed with the upper mounting seat (3), a telescopic cylinder (31) is provided at the center of the lower end surface of the upper mounting seat (3), and a plug plate (32) is provided at the lower end of the telescopic cylinder (31), and the plug plate (32) is provided. The lower end of the gate (33) is fixed in the gate plate (33), the gate plate (33) is movable in the vertical direction, and the lower end of the gate plate (33) is embedded in the lower groove (10). At the same time, a protective frame (30) is provided on the outer side of the upper part of the telescopic cylinder (31), and an electromagnetic control structure (4) is installed on the upper end of the upper mounting seat (3). The electromagnetic control structure (4) is installed with multiple groups of long bolts (40). The left and right parts of the valve seat (1) are both provided with guide sleeves (12), and the valve seat (1) and the upper valve body (2) are connected.

2. A rolling self-closing energy-saving gate valve according to claim 1, characterized in that: An inlet (11) is provided on the left side of the valve seat (1), and an outlet (15) is provided on the right side of the valve seat (1). A lower connecting flange (16) is provided on the outer side of the outlet (15). The inlet (11) and the outlet (15) are symmetrical about the center line of the valve seat (1).

3. The rolling self-closing energy-saving gate valve according to claim 1 is characterized in that: A guide line (13) is provided on the inner side wall of the guide sleeve (12), the guide sleeve (12) is wide inside and narrow outside, and the guide sleeve (12) is a detachable structure.

4. The rolling self-closing energy-saving gate valve according to claim 1 is characterized in that: A lower clamping groove (10) is provided in the middle of the inner bottom of the valve seat (1), an anti-wear sleeve (14) is provided in the lower clamping groove (10), and the anti-wear sleeve (14) is made of silicone rubber.

5. The rolling self-closing energy-saving gate valve according to claim 1 is characterized in that: A middle baffle (20) is provided in the middle of the upper valve body (2), a movable cavity (21) is provided in the middle baffle (20), a middle sealing sleeve (23) is provided at the upper end of the middle baffle (20), and an upper sealing sleeve (25) is provided at the inner top of the upper cover plate (24), and both the middle sealing sleeve (23) and the upper sealing sleeve (25) are made of rubber.

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