CN210118515U

CN210118515U - Flow valve

Info

Publication number: CN210118515U
Application number: CN201920769426.1U
Authority: CN
Inventors: 高继升; 高继成; 苑林林; 高昂
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-02-28
Anticipated expiration: 2029-05-24

Abstract

The utility model provides a flow valve belongs to valve technical field, including valve body, water inlet channel, play water passageway, spring cartridge, case and valve rod. The spring cylinder is connected with the water outlet channel by means of the pressure guide channel, the water inlet channel is connected with the water outlet channel by means of the connecting channel, the spring cylinder is communicated with the connecting channel and is provided with an elastic sealing piece, the elastic sealing piece is connected with the valve plug assembly, and the water outlet channel is internally provided with a valve core, a first jacking pipe and a second jacking pipe. The utility model provides a flow valve locates the case in the water passageway, and elastic sealing element locates in the spring case for this flow valve is turn-offed easily. The valve core adopts a spherical valve core, and the valve core not only can realize the shutoff of the flow valve more easily, but also needs smaller torque during rotation. The first tight pipe of top and the tight pipe of second top are connected to embedding in proper order in the exhalant canal, have reduced the processing degree of difficulty of the tight pipe of first top and the tight pipe of second top. The first sealing ring sleeved on the first jacking pipe further ensures that the flow valve is easy to shut off.

Description

Flow valve

Technical Field

The utility model belongs to the technical field of the valve, more specifically say, relate to a flow valve.

Background

The existing flow valve generally adopts a manual adjusting assembly and an automatic balancing assembly to be arranged in the same cavity in the valve body, so that the valve core is difficult to seal, and the flow valve cannot be shut off. And the valve core manufactured by the structure has large torque required when rotating, so that a plurality of flow valves are difficult to adopt electric control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flow valve aims at solving the flow valve and turn-offs the great problem of difficulty and case moment of torsion.

In order to achieve the above object, the utility model adopts the following technical scheme: the flow valve is characterized in that the water inlet channel is connected with the water outlet channel by means of a connecting channel, and the valve body further comprises a spring cylinder; one end of the spring cylinder is opened and is communicated with the connecting channel, the spring cylinder is communicated with the water outlet channel by means of the pressure guide channel, and an elastic sealing element capable of compressing or releasing the space in the spring cylinder along with the change of the pressure difference between the connecting channel and the water outlet channel is arranged in the spring cylinder; the elastic sealing element is connected with a valve plug assembly which compresses or releases the space in the spring cylinder along with the elastic sealing element to realize the regulation of the flow rate of fluid in the connecting channel; the water outlet channel is coaxially and sequentially embedded with a first tight pushing pipe and a second tight pushing pipe, a spherical valve core is arranged between the first tight pushing pipe and the second tight pushing pipe, the first tight pushing pipe and the second tight pushing pipe are respectively provided with a sealing groove which is used for the valve core to be attached and rotated after being combined, a first sealing ring is sleeved on the first tight pushing pipe, and a communication port of the water outlet channel and the pressure guide channel is positioned on one side, away from the valve core, of the first sealing ring.

Furthermore, the valve body adopts a split structure and comprises a split spring barrel and a first branch and a second branch of a pressure guide channel, and the first branch and the second branch are connected in a sealing mode.

Further, the spring cylinder and the pressure guide channel are provided with drain outlets, drain outlets are provided with drain bolts, and second sealing rings are sleeved on the drain bolts.

Furthermore, a groove is formed in one end, corresponding to the valve rod, of the valve core, one end of the valve rod is embedded into the groove, and the other end of the valve rod is rotatably connected to the valve body.

Further, the valve rod is connected to the valve body through the valve cover, the valve rod and the valve cover are axially positioned through radial concave-convex matching, the valve cover is detachably fixed to the valve body, and the valve rod is sleeved with a third sealing ring.

Furthermore, the connecting channel is provided with a mounting hole, the mounting hole is hermetically and detachably connected with a sealing cover, the sealing cover is provided with a preset hole, and the preset hole is used for installing a preset piece.

Further, the valve stem is rotated by means of a drive structure.

Further, the interface channel has two valve consent of connecting the water inlet channel, valve consent and the coaxial setting of spring case, the valve plug subassembly has the valve cock pole that is used for connecting elastic sealing element and locates the valve plug of two syntropy settings on the valve cock pole, the valve cock pole is worn to locate two downthehole and is equipped with radial bellied location portions of valve plug, two the valve plug is located one respectively one side of spring case is kept away from in the valve plug hole, the valve plug has the sphere towards spring case and matching valve consent.

Furthermore, the elastic sealing element comprises a diaphragm which is circumferentially and hermetically fixed at the connecting end of the spring cylinder and the connecting channel, a spring for compressing the diaphragm is coaxially arranged in the spring cylinder, a bulge and a spring support which are used for penetrating the spring are respectively fixed on the spring cylinder and the diaphragm, and the diaphragm is used for fixing the valve plug rod.

Furthermore, valve body, case, valve rod, first tight pipe of top, the tight pipe of second top and valve plug subassembly all adopt plastics material.

The utility model provides a flow valve's beneficial effect lies in: compared with the prior art, the flow valve of the utility model has the advantages that the valve core for setting the fluid flow is arranged in the water outlet channel, the elastic sealing element is arranged in the spring cylinder, the structure and the stress at the valve core are simplified by the design, the processing precision at the valve core is further ensured, and the flow valve is easy to turn off; the valve core adopts a spherical valve core, and the valve core not only can easily realize the shutoff of the flow valve, but also needs smaller torque during rotation; the first jacking pipe and the second jacking pipe are sequentially embedded and connected in the water outlet channel, so that the first jacking pipe and the second jacking pipe are not required to be integrally processed with the valve body, the processing difficulty of the first jacking pipe and the second jacking pipe is reduced, the precision of a sealing groove matched with the valve core can be ensured, the flow valve is easy to shut off, and the torque required by the rotation of the valve core is reduced; the first sealing ring sleeved on the first jacking pipe further ensures that the flow valve is easy to shut off.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a flow valve according to an embodiment of the present invention.

In the figure: 1. a valve body; 11. a water inlet channel; 12. a water outlet channel; 13. a spring case; 131. a boss portion; 14. a pressure guide channel; 141. a sewage draining outlet; 15. a connecting channel; 151. plugging a hole by a valve; 152. mounting holes; 110. a first section; 120. a second subsection; 2. a valve core; 3. a valve stem; 4. a first puller tube; 5. a second puller tube; 451. sealing the groove; 6. a first seal ring; 7. an elastomeric seal; 71. a membrane; 711. a spring drags; 72. a spring; 8. a valve plug assembly; 81. a valve plug rod; 82. a valve plug; 83. a positioning part; 9. a pollution discharge bolt; 10. a second seal ring; 100. a valve cover; 101. a third seal ring; 102. a drive structure; 103. a sealing cover; 104. a preset.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the flow valve of the present invention will now be described. The flow valve comprises a valve body 1, a water inlet channel 11, a water outlet channel 12, a valve core 2 and a valve rod 3, wherein the water inlet channel 11 is connected with the water outlet channel 12 through a connecting channel 15, and the valve body 1 further comprises a spring barrel 13. One end of the spring cylinder 13 is open and is communicated with the connecting channel 15, the spring cylinder 13 is communicated with the water outlet channel 12 by means of the pressure guide channel 14, and the spring cylinder 13 is internally provided with an elastic sealing element 7 which can compress or release the space in the spring cylinder 13 along with the change of the pressure difference between the connecting channel 15 and the water outlet channel 12. The elastic sealing element 7 is connected with a valve plug assembly 8 which compresses or releases the space in the spring cylinder 13 to adjust the fluid flow in the connecting channel 15. The water outlet channel 12 is internally and sequentially coaxially embedded with a first tight pushing pipe 4 and a second tight pushing pipe 5, a spherical valve core 2 is arranged between the first tight pushing pipe 4 and the second tight pushing pipe 5, the first tight pushing pipe 4 and the second tight pushing pipe 5 are respectively provided with a sealing groove 451 which is used for the rotation of the valve core 2 in the laminating process after combination, the first tight pushing pipe 4 is sleeved with a first sealing ring 6, and the water outlet channel 12 and a communicating port of the pressure guide channel 14 are positioned on one side, away from the valve core 2, of the first sealing ring 6.

The fluid flows into the connecting channel 15 from the water inlet channel 11 and then flows out from the connecting channel 15 into the water outlet channel 12, and the flow rate can be set through the valve core 2.

When the pressure difference between the water inlet channel 11 and the water outlet channel 12 is increased, the pressure difference between the connecting channel 15 and the water outlet channel 12 is increased, so that the flow in the water outlet channel 12 is increased, at this time, the elastic sealing element 7 compresses the space in the spring cylinder 13, the valve plug assembly 8 moves along with the elastic sealing element 7 to reduce the flow in the connecting channel 15, and finally, the pressure difference between the connecting channel 15 and the water outlet channel 12 is restored to a set value, that is, the originally set flow is kept unchanged, and the automatic control of the liquid flow is realized.

When the pressure difference between the water inlet channel 11 and the water outlet channel 12 is reduced, the pressure difference between the connecting channel 15 and the water outlet channel 12 is reduced, so that the flow in the water outlet channel 12 is reduced, at this time, the elastic sealing element 7 releases the space in the spring cylinder 13, the valve plug assembly 8 moves along with the elastic sealing element 7 to increase the flow in the connecting channel 15, and finally, the pressure difference between the connecting channel 15 and the water outlet channel 12 is restored to a set value, that is, the original set flow is kept unchanged, and the automatic control of the liquid flow is realized.

Compared with the prior art, the flow valve provided by the utility model, compared with the prior art, the flow valve of the utility model, the valve core 2 for setting the fluid flow is arranged in the water outlet channel 12, the elastic sealing element 7 is arranged in the spring barrel 13, the structure and the stress of the valve core 2 are simple due to the design, thereby ensuring the processing precision of the valve core 2 and easily shutting off the flow valve; the valve core 2 adopts a spherical valve core 2, and the valve core 2 is not only easy to realize the shutoff of the flow valve, but also has smaller torque required during rotation; the first jacking pipe 4 and the second jacking pipe 5 are sequentially embedded and connected into the water outlet channel 12, so that the first jacking pipe 4 and the second jacking pipe 5 do not need to be integrally processed with the valve body 1, the processing difficulty of the first jacking pipe 4 and the second jacking pipe 5 is reduced, the precision of the sealing groove 451 matched with the valve core 2 can be ensured, the flow valve is easy to shut off, and the torque required by the rotation of the valve core 2 is reduced; the first sealing ring 6 sleeved on the first jacking pipe 4 further ensures that the flow valve is easy to shut off.

As a specific implementation of the flow valve, please refer to fig. 1, the valve body 1 adopts the split structure, including the first subsection 110 and the second subsection 120 of cutting apart the spring case 13 and leading the pressure passageway 14, the first subsection 110 and the second subsection 120 sealing connection, the split design can further reduce the processing degree of difficulty of the valve body 1.

As a specific implementation manner of the flow valve provided in the present invention, please refer to fig. 1, the spring cylinder 13 and the pressure guiding channel 14 are both provided with the drain 141, the drain 141 is provided with the drain bolt 9, and the second sealing ring 10 is sleeved on the drain bolt 9. Opening two blowdown bolts 9 can discharge all impurities in the spring case 13, prevent that these impurities from piling up in the spring case 13 and causing the jam, influence the control accuracy of flow valve, even lose flow control function completely. And the problem that the flow valve cannot be used due to the fact that the flow valve loses the pressure guide function because the pressure guide channel 14 is blocked in the conventional flow valve is solved.

As a specific implementation of the flow valve provided by the utility model, please refer to fig. 1, the one end that valve core 2 corresponds valve rod 3 is equipped with the recess, and in the one end embedding recess of valve rod 3, the other end of valve rod 3 rotated and is connected on valve body 1, drives case 2 through valve rod 3 and rotates, accomplishes the flow settlement and the shutoff of convection current valve.

As a specific implementation of the flow valve, please refer to fig. 1, valve rod 3 is connected on valve body 1 with the help of valve gap 100, and valve rod 3 and valve gap 100 realize axial positioning through radial unsmooth cooperation, and valve gap 100 can be dismantled and be fixed in on valve body 1, and the cover is equipped with third sealing washer 101 on the valve rod 3. This configuration may facilitate the installation of the valve stem 3.

As a specific implementation of the flow valve, please refer to fig. 1, mounting hole 152 has been seted up to connecting channel 15, and mounting hole 152 department is sealed to dismantle and is connected with sealed lid 103, and sealed lid 103 has been seted up and has been preset the hole, and it is used for installing preset 104 to preset the hole. The preset hole can be used for further development of the function of the flow valve, and in the embodiment, the preset hole can be provided with a pressure sensor, a flow sensor or a temperature sensor and the like according to requirements.

Referring to fig. 1, as a specific embodiment of the flow valve provided by the present invention, the valve stem 3 is rotated by means of a driving structure 102. The driving structure 102 may employ an operating handle or a motor, etc.

As a specific implementation manner of the flow valve, please refer to fig. 1, the connection channel 15 has two valve plug holes 151 connected to the water inlet channel 11, the valve plug holes 151 and the spring cartridge 13 are coaxially disposed, the valve plug assembly 8 has a valve plug rod 81 for connecting the elastic sealing member 7 and a valve plug 82 disposed on the valve plug rod 81 in two same directions, the valve plug rod 81 is disposed in two valve plug holes 151 and is provided with a radially protruding positioning portion 83, the two valve plugs 82 are respectively disposed on one side of the spring cartridge 13 away from the one valve plug hole 151, and the valve plug 82 has a spherical surface facing the spring cartridge 13 and matching the valve plug hole 151. The spherical configuration of the valve plug 82 and the provision of two valve plug bores 151 both make flow regulation more acute. When the elastic sealing member 7 compresses the space in the spring cylinder 13, the valve plug rod 81 moves towards the bottom of the spring cylinder 13 along with the elastic sealing member 7, the valve plug 82 on the valve plug rod 81 reduces the gap between the valve plug and the valve plug hole 151, so that the flow in the connecting channel 15 is reduced, on the contrary, when the elastic sealing member 7 releases the space in the spring cylinder 13, the valve plug rod 81 moves away from the bottom of the spring cylinder 13 along with the elastic sealing member 7, and the valve plug 82 on the valve plug rod 81 expands the gap between the valve plug and the valve plug hole 151, so that the flow in the connecting channel 15 is increased.

As a specific implementation manner of the flow valve, please refer to fig. 1, in order to realize the function of compressing and releasing the space in the spring cartridge 13 by the elastic sealing element 7, the elastic sealing element 7 includes a diaphragm 71 fixed to the connecting end of the spring cartridge 13 and the connecting channel 15 in a circumferential sealing manner, a spring 72 for compressing the diaphragm 71 is coaxially arranged in the spring cartridge 13, the spring cartridge 13 and the diaphragm 71 are respectively fixed with a boss 131 and a spring bracket 711 for penetrating the spring 72, and the diaphragm 71 is used for fixing the valve plug rod 81. When the pressure difference between the connection passage 15 and the water outlet passage 12 becomes large, the diaphragm 71 receiving the pressure difference between the connection passage 15 and the water outlet passage 12 is concavely deformed toward the bottom of the spring case 13, that is, the space inside the spring case 13 is compressed, at this time, the valve plug rod 81 moves toward the bottom of the spring cartridge 13 along with the diaphragm 71, and the valve plug 82 on the valve plug rod 81 reduces the gap with the valve plug hole 151, so that the flow rate in the connection passage 15 becomes smaller, and conversely, when the pressure difference between the connection passage 15 and the water outlet passage 12 becomes small, the diaphragm 71 receiving the pressure difference between the connection passage 15 and the water outlet passage 12 is deformed by being dented away from the bottom of the spring case 13, that is, the space inside the spring case 13 is released, at this time, the valve plug rod 81 moves away from the bottom of the spring barrel 13 along with the diaphragm 71, and the valve plug 82 on the valve plug rod 81 expands the gap with the valve plug hole 151, so that the flow rate in the connecting passage 15 becomes large.

As a specific implementation of the flow valve provided by the present invention, please refer to fig. 1, the valve body 1, the valve core 2, the valve rod 3, the first tight pipe 4, the second tight pipe 5 and the valve plug assembly 8 all adopt plastic materials, so that they can be formed at one time without subsequent processing, thereby reducing the cost.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The flow valve comprises a valve body, a water inlet channel, a water outlet channel, a valve core and a valve rod, and is characterized in that the water inlet channel is connected with the water outlet channel by means of a connecting channel, and the valve body further comprises a spring cylinder;

one end of the spring cylinder is opened and is communicated with the connecting channel, the spring cylinder is communicated with the water outlet channel by means of the pressure guide channel, and an elastic sealing element capable of compressing or releasing the space in the spring cylinder along with the change of the pressure difference between the connecting channel and the water outlet channel is arranged in the spring cylinder;

the elastic sealing element is connected with a valve plug assembly which compresses or releases the space in the spring cylinder along with the elastic sealing element to realize the regulation of the flow rate of fluid in the connecting channel;

the water outlet channel is coaxially and sequentially embedded with a first tight pushing pipe and a second tight pushing pipe, a spherical valve core is arranged between the first tight pushing pipe and the second tight pushing pipe, the first tight pushing pipe and the second tight pushing pipe are respectively provided with a sealing groove which is used for the valve core to be attached and rotated after being combined, a first sealing ring is sleeved on the first tight pushing pipe, and a communication port of the water outlet channel and the pressure guide channel is positioned on one side, away from the valve core, of the first sealing ring.

2. The flow valve of claim 1 wherein the valve body is a split structure including a split spring cartridge and first and second sections of the impulse channel, the first and second sections being sealingly connected.

3. The flow valve of claim 1 wherein the spring cartridge and the pressure conduction channel are each provided with a drain outlet, the drain outlet is provided with a drain bolt, and the drain bolt is sleeved with a second sealing ring.

4. The flow valve of claim 1 wherein the valve spool has a recess in an end thereof corresponding to the valve stem, one end of the valve stem being received in the recess and the other end of the valve stem being pivotally connected to the valve body.

5. The flow valve of claim 4 wherein the valve stem is attached to the valve body by means of a valve cover, the valve stem and valve cover being axially positioned by a radial interference fit, the valve cover being removably secured to the valve body, the valve stem being fitted with a third gasket.

6. The flow valve of claim 1 wherein the connecting channel defines a mounting hole, a sealing cap is sealingly and removably attached to the mounting hole, and the sealing cap defines a predetermined hole for receiving a predetermined member.

7. The flow valve of claim 1 wherein the valve stem is rotated by an actuating structure.

8. A flow valve as claimed in claim 1, characterised in that the connecting channel has two valve plug holes for connecting the water inlet channel, the valve plug holes are arranged coaxially with the spring cartridge, the valve plug assembly has a valve plug rod for connecting the elastic sealing element and two valve plugs arranged in the same direction on the valve plug rod, the valve plug rod is arranged in two valve plug holes in a penetrating manner and provided with radially protruding positioning portions, two valve plugs are respectively arranged on one side of the valve plug hole away from the spring cartridge, and the valve plugs have spherical surfaces facing the spring cartridge and matching the valve plug holes.

9. The flow valve of claim 8, characterized in that the elastic sealing element comprises a diaphragm which is circumferentially and hermetically fixed at the connecting end of the spring cylinder and the connecting channel, a spring for pressing the diaphragm is coaxially arranged in the spring cylinder, a bulge and a spring support for penetrating the spring are respectively fixed on the spring cylinder and the diaphragm, and the diaphragm is used for fixing the valve plug rod.

10. The flow valve of claim 1 wherein the valve body, the valve spool, the valve stem, the first puller tube, the second puller tube and the valve plug assembly are all plastic.