CN215487830U - Gate valve with double non-return function - Google Patents

Gate valve with double non-return function Download PDF

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Publication number
CN215487830U
CN215487830U CN202121965812.1U CN202121965812U CN215487830U CN 215487830 U CN215487830 U CN 215487830U CN 202121965812 U CN202121965812 U CN 202121965812U CN 215487830 U CN215487830 U CN 215487830U
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China
Prior art keywords
valve
gate valve
movable rod
gate
hand wheel
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Active
Application number
CN202121965812.1U
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Chinese (zh)
Inventor
袁君辉
杨士鹏
郑永兵
章金木
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Zhejiang Fansheng Fluid Control Co ltd
Original Assignee
Zhejiang Yipan Technology Co ltd
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Priority to CN202121965812.1U priority Critical patent/CN215487830U/en
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Abstract

The utility model provides a gate valve with a double non-return function, and belongs to the technical field of gate valves. The valve solves the problems that the internal connection is unstable due to the loss of the internal service life of the valve body which is easily corroded by fluid and the opening and closing of the internal fluid cannot be well controlled. This gate valve with dual non return function, including the gate valve body and set up inhalant canal and exhalant canal at gate valve body left and right ends, be provided with the disk seat on the gate valve body, the upper end of disk seat is provided with the control hand wheel that control fluid flows, the fixed magnetic element who is used for supplying control hand wheel and disk seat magnetism to be connected that is provided with of lower extreme of control hand wheel, the gate valve is internal and set up to be provided with between inhalant canal and exhalant canal and be used for the valve plate that control fluid flows, the valve plate upper end is connected with the valve rod, the valve rod passes through the mounting and links to each other with the disk seat. The utility model has the advantage of double non-return function.

Description

Gate valve with double non-return function
Technical Field
The utility model belongs to the technical field of gate valves, relates to a gate valve, and particularly relates to a gate valve with a double non-return function.
Background
In present pipeline design, need set up the valve in order to control the break-make of fluid in the pipeline, because special demands also need set up the check valve in the pipeline, under this kind of condition, need set up a valve body and a check valve of control fluid break-make in the pipeline simultaneously usually, the installation of a plurality of valve bodies leads to too much connecting piece, has also increased the risk of leaking, has also increased the step of operating personnel operation, increases the cost of labor, reduces the efficiency of construction.
The existing hand wheel and the valve seat are usually connected through bolts, but the service life of the existing hand wheel and the valve seat is extremely easy to lose under the corrosion of fluid inside the existing hand wheel and the valve seat, so that the internal connection is unstable, and the opening and closing of the internal fluid cannot be well controlled.
Disclosure of Invention
The present invention is directed to solving the above problems of the prior art and providing a gate valve with a dual check function.
The purpose of the utility model can be realized by the following technical scheme: a gate valve with double non-return functions comprises a gate valve body, a water inlet channel and a water outlet channel, wherein the water inlet channel and the water outlet channel are arranged at the left end and the right end of the gate valve body, the gate valve body is provided with a valve seat, the upper end of the valve seat is provided with a control hand wheel for controlling the flow of fluid, the lower end of the control hand wheel is fixedly provided with a magnetic element for magnetically connecting the control hand wheel with the valve seat, a valve plate for controlling the flow of fluid is arranged in the gate valve body and arranged between the water inlet channel and the water outlet channel, the upper end of the valve plate is connected with a valve rod, the valve rod is connected with the valve seat through a fixing piece, the control hand wheel drives the valve seat to rotate so as to control the valve rod to drive the valve plate to lift, the valve plate is provided with a closing piece relative to one end of the water outlet channel, a movable rod is arranged in the water outlet channel, and a cavity is arranged between the closing piece and the movable rod, the left end of the movable rod is provided with a first return spring, the movable rod is provided with a supporting part relative to one end of the water outlet channel, a second return spring is connected between the supporting part and the movable rod, and double non-return is carried out on the brake valve body under the action of the movable rod and the closing piece.
In the above gate valve with dual non-return function, the movable rod is provided with a plurality of concave holes for fluid to flow.
In the above-mentioned gate valve with double non return function, the right side of movable rod is provided with the non return dish, the inside of non return dish has the activity space that supplies the closing member to carry out the slip, the rear end of closing member has a bellying, the bellying stretch into in the activity space of non return dish to slide in the activity space through reset spring one.
In the above gate valve with dual check function, one end of the first return spring is connected to the left side of the movable rod, the other end of the first return spring is connected to the right side of the closing member, one end of the second return spring is connected to the right side of the check disk, and the other end of the second return spring is connected to the abutting portion.
In the above gate valve with double check function, the movable rod is connected to the gate valve body by a screw thread, and the abutting portion is also connected to the gate valve body by a screw thread.
Compared with the prior art, this gate valve with dual non return function has dual non return structure, the further refluence that prevents fluid to the magnetic element that the lower extreme of control hand wheel set up makes between control hand wheel and the disk seat through magnetic force fixed connection, has strengthened overall structure's stability, has strengthened the control to the valve plate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
In the figure, 1, a brake valve body; 2. a water inlet channel; 3. a water outlet channel; 4. a valve seat; 5. a control hand wheel; 6. a magnetic element; 7. a valve plate; 8. a valve stem; 9. a fixing member; 10. a closure; 11. a movable rod; 12. a first return spring; 13. an abutting portion; 14. a second return spring; 15. concave holes; 16. an activity space; 17. a check disc; 18. a cavity; 19. a raised portion.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the gate valve with dual non-return function comprises a gate valve body 1, and a water inlet channel 2 and a water outlet channel 3 which are arranged at the left end and the right end of the gate valve body 1, wherein a valve seat 4 is arranged on the gate valve body 1, a control hand wheel 5 for controlling fluid flow is arranged at the upper end of the valve seat 4, a magnetic element 6 for magnetically connecting the control hand wheel 5 and the valve seat 4 is fixedly arranged at the lower end of the control hand wheel 5, the original bolt connection mode is changed by connecting the control hand wheel 5 and the gate valve body 1 through the magnetic element 6, the gate valve is more convenient to disassemble, the control hand wheel 5 is more easily opened and closed inside the gate valve body 1, a valve plate 7 for controlling fluid flow is arranged in the gate valve body 1 and between the water inlet channel 2 and the water outlet channel 3, and the upper end of the valve plate 7 is connected with a valve rod 8, valve rod 8 link to each other with disk seat 4 through mounting 9, and control hand wheel 5 drives disk seat 4 and rotates and control valve rod 8 drives valve plate 7 and goes up and down, brake valve body 1 in and be provided with closure 10 for the one end of valve plate 7, exhalant canal 3 in be provided with movable rod 11, closure 10 and movable rod 11 between have a cavity 18, the left end of movable rod 11 is provided with reset spring one 12, movable rod 11 and be provided with for the one end of exhalant canal 3 and support portion 13, support portion 13 and movable rod 11 between be connected with reset spring two 14, carry out dual non return through movable rod 11 and closure 10's effect to brake valve body 1.
When the control hand wheel 5 is operated to lift the valve plate 7 so as to open the fluid flow, the closing part 10 is pushed outwards by water pressure, the first return spring 12 is compressed, the fluid flows into the cavity 18, the cavity 18 is in a circulating state, when the water pressure reaches a certain degree, the check disc 17 is continuously pushed outwards, the second return spring 14 is compressed, the water outlet channel 3 is in an opening state, the control hand wheel 5 is closed, the valve plate 7 descends, the water pressure is not enough to push the closing part 10 outwards, the cavity 18 is in a closing state, the movable rod 11 is abutted against the check disc 17, so that water in the rear space cannot flow back to the front space, and the check effect is achieved.
In more detail, the movable rod 11 is provided with a plurality of concave holes 15 for fluid to flow.
In further detail, a check disc 17 is arranged on the right side of the movable rod 11, a movable space 16 for the sealing element 10 to slide is formed inside the check disc 17, a protruding portion 19 is formed at the rear end of the sealing element 10, the protruding portion 19 extends into the movable space 16 of the check disc 17 and slides back and forth under the water pressure, and therefore whether water flows into the cavity 18 or not is controlled, and the water flows in the movable space 16 through the first return spring 12.
In more detail, the first return spring 12 has one end connected to the left side of the movable rod 11 and the other end connected to the right side of the closing member 10, and the second return spring 14 has one end connected to the right side of the check disk 17 and the other end connected to the abutting portion 13.
In more detail, the movable rod 11 is connected to the brake valve body 1 through a screw thread, and the abutting portion 13 is also connected to the brake valve body 1 through a screw thread.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (5)

1. The gate valve with the double non-return function comprises a gate valve body (1), a water inlet channel (2) and a water outlet channel (3), wherein the water inlet channel (2) and the water outlet channel (3) are arranged at the left end and the right end of the gate valve body (1), the gate valve body (1) is provided with a valve seat (4), the upper end of the valve seat (4) is provided with a control hand wheel (5) for controlling fluid to flow, the lower end of the control hand wheel (5) is fixedly provided with a magnetic element (6) for magnetically connecting the control hand wheel (5) with the valve seat (4), the gate valve body (1) is internally provided with a valve plate (7) for controlling fluid to flow and arranged between the water inlet channel (2) and the water outlet channel (3), the upper end of the valve plate (7) is connected with a valve rod (8), the valve rod (8) is connected with the valve seat (4) through a fixing piece (9), and the control hand wheel (5) drives the valve seat (4) to rotate so that the control valve rod (8) drives the valve plate (7) to lift, valve plate (7) and be provided with closure (10) for outlet channel (3) one end, outlet channel (3) in be provided with movable rod (11), closure (10) and movable rod (11) between have a cavity (18), the left end of movable rod (11) is provided with reset spring (12), movable rod (11) and be provided with for the one end of outlet channel (3) and support portion (13), support portion (13) and movable rod (11) between be connected with reset spring two (14), carry out dual non return through the effect of movable rod (11) and closure (10) to brake valve body (1).
2. The gate valve with double check function according to claim 1, wherein said movable rod (11) is provided with a plurality of concave holes (15) for fluid to flow.
3. A gate valve with double check function according to claim 1, characterized in that the right side of the movable rod (11) is provided with a check disc (17), the inside of the check disc (17) is provided with a movable space (16) for the sealing element (10) to slide, the rear end of the sealing element (10) is provided with a protruding part (19), and the protruding part (19) extends into the movable space (16) of the check disc (17) and slides in the movable space (16) through a first return spring (12).
4. A gate valve with double check function according to claim 1, characterized in that the first return spring (12) is connected to the left side of the movable rod (11) at one end and to the right side of the closing member (10) at the other end, and the second return spring (14) is connected to the right side of the check disk (17) at one end and to the abutting portion (13) at the other end.
5. A gate valve with double check function according to claim 1, characterized in that said movable rod (11) is screwed to the gate body (1), and said abutment (13) is also screwed to the gate body (1).
CN202121965812.1U 2021-08-19 2021-08-19 Gate valve with double non-return function Active CN215487830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121965812.1U CN215487830U (en) 2021-08-19 2021-08-19 Gate valve with double non-return function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121965812.1U CN215487830U (en) 2021-08-19 2021-08-19 Gate valve with double non-return function

Publications (1)

Publication Number Publication Date
CN215487830U true CN215487830U (en) 2022-01-11

Family

ID=79763599

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121965812.1U Active CN215487830U (en) 2021-08-19 2021-08-19 Gate valve with double non-return function

Country Status (1)

Country Link
CN (1) CN215487830U (en)

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GR01 Patent grant
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20221008

Address after: 317500 Putian Industrial Zone, Chumen Town, Yuhuan City, Taizhou City, Zhejiang Province

Patentee after: Zhejiang Fansheng fluid control Co.,Ltd.

Address before: Putian Industrial Zone, Chumen Town, Yuhuan County, Taizhou City, Zhejiang Province 317600

Patentee before: Zhejiang yipan Technology Co.,Ltd.