CN219673394U - Leak protection water check valve - Google Patents

Leak protection water check valve Download PDF

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Publication number
CN219673394U
CN219673394U CN202320502456.2U CN202320502456U CN219673394U CN 219673394 U CN219673394 U CN 219673394U CN 202320502456 U CN202320502456 U CN 202320502456U CN 219673394 U CN219673394 U CN 219673394U
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China
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fixedly connected
wall
connecting block
valve body
valve
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Active
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CN202320502456.2U
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Chinese (zh)
Inventor
吴承滨
吴承艺
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YONGXIU VALVE CO LTD
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YONGXIU VALVE CO LTD
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Abstract

The utility model discloses a water leakage prevention check valve, which comprises a valve body and a water inlet pipe, wherein the water inlet pipe is fixedly inserted on the side wall of the valve body, a first rotating connecting block is fixedly connected on the inner wall of the valve body, a valve clack plate is rotatably connected on the first rotating connecting block, a connecting cylinder body is fixedly connected on the side wall of the water inlet pipe, and a second rotating connecting block is fixedly connected on the side wall of the valve clack plate. According to the utility model, through the cooperation arrangement among the first rotating rod, the second rotating rod, the sliding block and the return springs, when no water flow flows at the water inlet pipe, the two return springs can resume deformation to drive the sliding block, the second rotating rod and the first rotating rod to resume to the original positions, so that the magnet ball is clamped into the abutting groove to attract the magnet block, and the phenomenon that the valve clack plate cannot be closely attached to the water inlet pipe under the condition of long-time water flow flushing is avoided, and the pressure relief water leakage phenomenon occurs.

Description

Leak protection water check valve
Technical Field
The utility model relates to the technical field of check valves, in particular to a water leakage prevention check valve.
Background
The check valve is also called as check valve, one-way valve or check valve, and is a valve plate which can automatically open and close valve clack by means of medium self-flow and can be used for preventing medium from flowing backward.
After the existing check valve is used for a long time, under the continuous flushing of water flow, the valve clack plate cannot be closely attached to the water inlet pipe when being closed, so that a sealing effect is formed, the sealing effect is easily deteriorated, pressure is released, the sealing effect is maintained for a long time, the pressure release is prevented, and the service time of the check valve is longer, so that the check valve can maintain good sealing.
In order to solve the problems, we propose a water leakage prevention check valve.
Disclosure of Invention
The utility model aims to solve the defects that after the existing check valve is used for a long time, under the continuous flushing of water flow, a valve clack plate cannot be closely attached to a water inlet pipe when being closed to form a sealing effect, the sealing effect is easily deteriorated to release pressure, the sealing effect is maintained for a long time, the pressure release is prevented, and the service time of the check valve is longer, so that the check valve can maintain good sealing, and the water leakage prevention check valve is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a leak protection water check valve, includes valve body and inlet tube, the fixed interlude of inlet tube is on the lateral wall of valve body, the first rotation connecting block of fixedly connected with on the inner wall of valve body, rotate on the first rotation connecting block and be connected with the valve clack board, fixedly connected with connects the barrel on the lateral wall of inlet tube, fixedly connected with second rotation connecting block on the lateral wall of valve clack board, the second rotates and be connected with first dwang on the connecting block, the left end of first dwang runs through and rotates and be connected with the second dwang, the lower extreme of second dwang rotates and is connected with the slider, first spout has been seted up on the inner wall of valve body, slider sliding connection is in first spout, symmetrical fixedly connected with reset spring on the lateral wall of slider, two the one end that reset spring is on the back to each other is fixedly connected with on the inner wall of first spout, fixedly connected with connecting cover on the lateral wall of inlet tube, fixedly connected with magnet piece on the inner wall of connecting cover, fixedly connected with first connecting block on the lateral wall of valve clack board, the right-hand member is connected with magnet.
Preferably, the first connecting block is provided with a groove, the inner wall of the groove is fixedly connected with a connecting rod, the second connecting block is provided with a connecting groove, the inner wall of the connecting groove is fixedly connected with a buffer spring, and the right end of the buffer spring is fixedly connected with the connecting rod.
Preferably, the side wall of the valve body is symmetrically and fixedly connected with a fixed block, the upper end of the valve body is provided with a valve cover, the valve cover is symmetrically provided with threaded holes, two threaded holes penetrate through the fixed block, and two threaded holes are in threaded connection with fixing bolts.
Preferably, the second sliding grooves are symmetrically formed in the upper ends of the inner walls of the connecting grooves, sliding rods are connected in each second sliding groove in a sliding mode, and one ends, opposite to the two sliding rods, of each second sliding groove are fixedly connected to the connecting rod.
Preferably, the magnet block is provided with a propping groove, the magnet ball is propped in the propping groove, the inner wall of the valve body is provided with an arc groove, and the lower end of the valve clack plate is propped in the arc groove.
Preferably, the side wall of the valve body is fixedly inserted with a water outlet pipe, one ends of the water inlet pipe and the water outlet pipe, which are opposite, are fixedly connected with flange plates, and each flange plate is provided with a fixing hole.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the cooperation setting between first dwang, second dwang, slider and the reset spring for when inlet tube department does not have rivers to flow, two reset springs can resume deformation and drive slider, second dwang, first dwang and resume original position, and then help the magnet ball card to inhale mutually with the magnet piece in supporting the groove, avoided the valve clack board to be in the long-time under the punching of rivers, can not closely laminate between with the inlet tube, take place the pressure release water leakage phenomenon.
2. When the magnet ball is clamped into the supporting groove again, the buffer spring can produce a buffer effect on the impact of the magnet ball and the magnet block, so that the impact of the magnet ball and the magnet block is avoided to generate impact sound.
Drawings
FIG. 1 is a front cross-sectional view of a leak-proof check valve according to the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view at B in fig. 1.
In the figure: the valve comprises a valve body 1, a water inlet pipe 2, a valve clack plate 3, a connecting cylinder 4, a first rotating rod 5, a second rotating rod 6, a sliding block 7, a return spring 8, a connecting cover 9, a magnet block 10, a first connecting block 11, a second connecting block 12, a supporting groove 13, a magnet ball 14, a connecting rod 15, a buffer spring 16, a sliding rod 17, a valve cover 18, a fixed block 19, a fixed bolt 20, a water outlet pipe 21 and a flange plate 22.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, a water leakage prevention check valve comprises a valve body 1 and a water inlet pipe 2, wherein the water inlet pipe 2 is fixedly inserted on the side wall of the valve body 1, a first rotating connecting block is fixedly connected on the inner wall of the valve body 1, a valve clack plate 3 is rotationally connected on the first rotating connecting block, a connecting cylinder body 4 is fixedly connected on the side wall of the water inlet pipe 2, a second rotating connecting block is fixedly connected on the side wall of the valve clack plate 3, a first rotating rod 5 is rotationally connected on the second rotating connecting block, the left end of the first rotating rod 5 penetrates through the connecting cylinder body 4 and is rotationally connected with a second rotating rod 6, the lower end of the second rotating rod 6 is rotationally connected with a sliding block 7, a first sliding groove is formed in the inner wall of the valve body 1, the sliding block 7 is slidingly connected in the first sliding groove, return springs 8 are symmetrically and fixedly connected on the side wall of the sliding block 7, one ends opposite to each other of the two return springs 8 are fixedly connected on the inner wall of the first sliding groove, a connecting cover 9 is fixedly connected on the side wall of the water inlet pipe 2, a magnet block 10 is fixedly connected on the inner wall of the connecting cover 9, a first connecting block 11 is fixedly connected on the side wall of the valve clack 3, a right connecting block 11 is fixedly connected with a second connecting block 12, and a left connecting ball 12 is fixedly connected with a second connecting block 12. Through the cooperation setting between first dwang 5, second dwang 6, slider 7 and the reset spring 8 for when inlet tube 2 department does not have rivers to flow, two reset springs 8 can resume deformation and drive slider 7, second dwang 6, first dwang 5 resume to original position, and then help magnet ball 14 card to inhale mutually with magnet piece 10 in supporting groove 13, avoided valve clack board 3 under the washing of rivers for a long time, can not laminate closely between inlet tube 2, take place the pressure release leakage phenomenon.
Wherein, set up flutedly on the first connecting block 11, fixedly connected with connecting rod 15 on the inner wall of recess, set up the spread groove on the second connecting block 12, fixedly connected with buffer spring 16 on the inner wall of spread groove, buffer spring 16's right-hand member fixed connection is on connecting rod 15, when magnet ball 14 card again enters in supporting groove 13, buffer spring 16 can produce the cushioning effect to the striking of magnet ball 14 with magnet piece 10, avoid magnet ball 14 to send the collision sound with magnet piece 10 striking.
Wherein, symmetry fixedly connected with fixed block 19 on the lateral wall of valve body 1, the upper end of valve body 1 is provided with valve gap 18, has offered the screw hole on the valve gap 18 symmetry, and two screw holes all run through fixed block 19, and two threaded holes all threaded connection have fixing bolt 20, can fix valve gap 18 on valve body 1 through fixing bolt 20.
The second sliding grooves are symmetrically formed in the upper ends of the inner walls of the connecting grooves, sliding rods 17 are slidably connected in each second sliding groove, one ends, opposite to the two sliding rods 17, of each second sliding groove are fixedly connected to the connecting rod 15, and the sliding rods 17 can slide in the second sliding grooves.
Wherein, the magnet block 10 is provided with a propping groove 13, the magnet ball 14 is propped in the propping groove 13, the inner wall of the valve body 1 is provided with an arc groove, and the lower end of the valve clack plate 3 is propped in the arc groove.
Wherein, fixedly the interlude has outlet pipe 21 on the lateral wall of valve body 1, and inlet tube 2 and outlet pipe 21 are all fixedly connected with ring flange 22 in the one end that is opposite to each other, all offer the fixed orifices on every ring flange 22, can connect the water pipe through the fixed orifices on the ring flange 22.
According to the utility model, under the impact of water flow flowing from a water inlet pipe 2 to a valve body 1, a valve clack plate 3 rotates, the lower end of the valve clack plate 3 is separated from an arc-shaped groove, the valve clack plate 3 drives a first rotating rod 5 to move rightwards through a first rotating connecting block and rotate, the first rotating rod 5 drives a second rotating rod 6 to move rightwards and move, a second rotating rod 6 drives a sliding block 7 to move rightwards, a return spring 8 at the left end is stretched, a return spring 8 at the right end is compressed, the valve clack plate 3 rotates to pull a supporting groove 13 out of the supporting groove 13 through a first connecting block 11 and a second connecting block 12, water flow can flow through the valve body 1 to a water outlet pipe 21, when no water flow flows at the water inlet pipe 2, the valve clack plate 3 downwards under the action of restoring elastic deformation of the gravity of the valve clack plate 3 and the two return springs 8, the sliding block 7, the second rotating rod 6 and the first rotating rod 5 restore the original positions, and a magnet ball 14 is blocked in the supporting groove 13 again to be attracted by a magnet block 10; through the cooperation setting between first dwang 5, second dwang 6, slider 7 and the reset spring 8 for when inlet tube 2 department does not have rivers to flow, two reset springs 8 can resume deformation and drive slider 7, second dwang 6, first dwang 5 resumes to original position, and then help magnet ball 14 card to inhale with magnet piece 10 in supporting groove 13, avoided valve clack board 3 under the washing of rivers for a long time, can not closely laminate between inlet tube 2, take place the pressure release phenomenon of leaking, the content of not describing in detail in this specification belongs to the prior art that the expert person knows in the field.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by "upper, lower, inner and outer", etc. in terms are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Claims (6)

1. The utility model provides a leak protection water check valve, includes valve body (1) and inlet tube (2), a serial communication port, inlet tube (2) are fixed to be alternatingly on the lateral wall of valve body (1), fixedly connected with first rotation connecting block on the inner wall of valve body (1), rotationally be connected with valve clack board (3) on the first rotation connecting block, fixedly connected with connecting cylinder (4) on the lateral wall of inlet tube (2), fixedly connected with second rotation connecting block on the lateral wall of valve clack board (3), rotationally be connected with first dwang (5) on the second rotation connecting block, the left end of first dwang (5) runs through connecting cylinder (4) and rotates and be connected with second dwang (6), the lower extreme rotation of second dwang (6) is connected with slider (7), first spout has been seted up on the inner wall of valve body (1), slider (7) sliding connection is in first spout, symmetrically fixedly connected with reset spring (8) on the lateral wall of slider (7), two reset spring (8) are connected with on the inner wall (9) on the first slider (9) of back of one end, fixedly connected with magnet (9) on the inner wall (9) on the first slider (9), the right-hand member of first connecting block (11) is connected with second connecting block (12), the left end fixedly connected with magnet ball (14) of second connecting block (12).
2. The water leakage prevention check valve according to claim 1, wherein the first connecting block (11) is provided with a groove, a connecting rod (15) is fixedly connected to the inner wall of the groove, the second connecting block (12) is provided with a connecting groove, a buffer spring (16) is fixedly connected to the inner wall of the connecting groove, and the right end of the buffer spring (16) is fixedly connected to the connecting rod (15).
3. The water leakage prevention check valve according to claim 1, wherein a fixed block (19) is symmetrically and fixedly connected to the side wall of the valve body (1), a valve cover (18) is arranged at the upper end of the valve body (1), threaded holes are symmetrically formed in the valve cover (18), two threaded holes penetrate through the fixed block (19), and fixing bolts (20) are in threaded connection with the two threaded holes.
4. The water leakage prevention check valve according to claim 2, wherein the upper ends of the inner walls of the connecting grooves are symmetrically provided with second sliding grooves, each second sliding groove is internally and slidably connected with a sliding rod (17), and two opposite ends of the two sliding rods (17) are fixedly connected to the connecting rod (15).
5. The water leakage prevention check valve according to claim 1, wherein the magnet block (10) is provided with a propping groove (13), the magnet ball (14) is propped in the propping groove (13), the inner wall of the valve body (1) is provided with an arc-shaped groove, and the lower end of the valve clack plate (3) is propped in the arc-shaped groove.
6. The water leakage prevention check valve according to claim 1, wherein a water outlet pipe (21) is fixedly inserted into the side wall of the valve body (1), flange plates (22) are fixedly connected to opposite ends of the water inlet pipe (2) and the water outlet pipe (21), and fixing holes are formed in each flange plate (22).
CN202320502456.2U 2023-03-15 2023-03-15 Leak protection water check valve Active CN219673394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320502456.2U CN219673394U (en) 2023-03-15 2023-03-15 Leak protection water check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320502456.2U CN219673394U (en) 2023-03-15 2023-03-15 Leak protection water check valve

Publications (1)

Publication Number Publication Date
CN219673394U true CN219673394U (en) 2023-09-12

Family

ID=87924720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320502456.2U Active CN219673394U (en) 2023-03-15 2023-03-15 Leak protection water check valve

Country Status (1)

Country Link
CN (1) CN219673394U (en)

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