CN214425161U

CN214425161U - Diaphragm valve capable of controlling flow

Info

Publication number: CN214425161U
Application number: CN202023142222.7U
Authority: CN
Inventors: 李银花
Original assignee: Hunan Ningtai Rubber Plastic Co ltd
Current assignee: Hunan Ningtai Rubber Plastic Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-19
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a diaphragm valve capable of controlling flow, which relates to the technical field of diaphragm valves and comprises a drain pipe and an inlet pipe, wherein the drain pipe is connected with the inlet pipe, a closed assembly is arranged at the joint of the drain pipe and the inlet pipe, the diaphragm valve can be more tightly closed through a lower diaphragm and an upper diaphragm, because the two diaphragms are soft and elastic, a gap between the two diaphragms can be blocked, water flow can hardly burst the two diaphragms which are tightly attached, impurities and particles in the water flow can be filtered through a filter screen, solid particles and impurities in the liquid are prevented from being stuck on the diaphragms, so that the diaphragms can generate gaps when being closed, the diaphragms are prevented from being damaged and broken due to the impurities, the flow control assembly is used for controlling the opening and closing of the two diaphragms, the diaphragms are soft in texture, water can balance water pressure, and the diaphragms can not be jacked, thereby playing a role of current limiting.

Description

Diaphragm valve capable of controlling flow

Technical Field

The utility model belongs to the technical field of the diaphragm valve technique and specifically relates to a diaphragm valve that can control flow is related to.

Background

The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing part to close a flow passage, cut off fluid and separate an inner cavity of a valve body from an inner cavity of a valve cover, the existing diaphragm valve can only be directly closed through the diaphragm, the joint part of the diaphragm is smooth, so that water pressure is loosened suddenly to cause a gap to be formed in the diaphragm, once the gap is formed, the diaphragm part is jacked up by water flow to enable the diaphragm valve to lose a sealing effect and has no filtering function, once solid particles and impurities in liquid are stuck on the diaphragm, the gap is also formed when the diaphragm is closed, and the diaphragm is damaged and broken due to the impurities, on the other hand, the existing diaphragm valve does not have the capacity of controlling the liquid flow, the diaphragm is soft in texture, the pressure in water is different from the pressure in air, once the gap is jacked up, the flow limiting effect cannot be achieved, and the existing diaphragm valve is easy to be damaged by water flow impact, the water flow can not be buffered at the water inlet, impurities in the water can not be discharged in time, and the valve can be blocked after the water flow is used for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the background art, the utility model discloses a diaphragm valve that can flow control, the utility model discloses can not have the gap because of the water pressure increase after sealing, can filter impurity, prevent that the diaphragm from breaking, can control liquid flow, can cushion rivers, impurity in the ability in time discharge prevents to block up.

In order to realize the utility model aims at, the utility model adopts the following technical scheme:

a diaphragm valve capable of controlling flow comprises a water outlet pipe and a water inlet pipe, wherein the water outlet pipe is connected with the water inlet pipe, a closed assembly is arranged at the joint of the water outlet pipe and the water inlet pipe, the water outlet pipe and the water inlet pipe are separated by the closed assembly, the joint of the water outlet pipe and the water inlet pipe is connected with the lower end of an installation cylinder, the installation cylinder is positioned right above the closed assembly, a diaphragm assembly is arranged on the upper side of the closed assembly, a compaction assembly is arranged in the installation cylinder, the inner side of the compaction assembly is provided with a flow control assembly, the lower sides of the water outlet pipe and the water inlet pipe are both provided with an emptying assembly, the drain pipe with the inlet tube is kept away from sealed assembly is all installed to the one end of an installation section of thick bamboo, the top of an installation section of thick bamboo is equipped with control switch group, control switch group and external power source electric connection.

Compress tightly the assembly and include electric telescopic handle I, roof-rack, guide bar, guide cylinder, chassis, the inboard of an installation section of thick bamboo is fixed with the angle such as the inboard of chassis, install respectively the upside of chassis electric telescopic handle I with the guide cylinder, four the flexible end of upside of electric telescopic handle I all with the bottom eccentric position of roof-rack is connected, the bottom of roof-rack respectively with four the upper end of guide bar is connected, four the guide bar respectively with four guide cylinder sliding connection, electric telescopic handle I with control switch organizes electric connection.

The sealing assembly comprises a sealing block, an inner cavity and water through ports I, the sealing block is located under the top frame, the inner cavity is arranged on the upper side of the sealing block, the upper side of the inner cavity is communicated with the mounting barrel, the two water through ports I are arranged on the side face of the inner cavity, and the two water through ports I are respectively communicated with the drain pipe and the water inlet pipe.

The diaphragm assembly includes basement membrane, lower diaphragm, goes up diaphragm, water service port II, the bottom of inner chamber is equipped with the basement membrane, down the diaphragm with the outside of going up the diaphragm all with the inboard lower extreme of installation section of thick bamboo is cup jointed, it is located to go up the diaphragm the top of diaphragm down, the eccentric department of diaphragm is equipped with two down water service port II, two water service port II respectively with two the position of water service port I corresponds.

The flow control assembly comprises a main slide rod, an electric telescopic rod II and a sleeve, the upper end of the main slide rod is connected to the bottom of the lower side of the top frame, the lower end of the main slide rod penetrates through a center hole of the upper diaphragm to be connected with the center of the upper side of the lower diaphragm, the main slide rod is connected with the sleeve in a sliding mode, the lower side of the top frame is provided with four electric telescopic rods II and four telescopic ends of the lower side of the electric telescopic rod II are connected with the upper end of the sleeve, the lower end of the sleeve is connected with the upper side of the upper diaphragm, and the electric telescopic rods II are electrically connected with the control switch group.

The emptying assembly comprises emptying funnels, emptying valves and emptying ports, the emptying funnels are communicated with the drain pipe and the water inlet pipe respectively, the lower end output port of each emptying funnel is connected with the emptying port, and the emptying valves are installed on the emptying ports.

The drain pipe with the filter screen is all installed to the inside of inlet tube, the filter screen is located seal the assembly with between the evacuation assembly.

The sealing assembly comprises a flange ring, an installation screw hole and a sealing ring, wherein the flange ring is far away from one side of the installation cylinder and is installed on the sealing ring, and the eccentric position of the flange ring is provided with six equal-angle distribution installation screw holes.

The inside of inlet tube from left to right is equipped with weir plate and baffle in proper order, the upper end of weir plate with the inside contactless of inlet tube, the lower extreme of baffle with the inside contactless of inlet tube, the lower extreme of weir plate is equipped with the waste discharge hole.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the diaphragm valve capable of controlling flow, which is provided by the utility model, can be more tightly sealed through the lower diaphragm and the upper diaphragm, because the two diaphragms are soft and elastic, the gap between the two diaphragms can be blocked, the water flow is difficult to break the two tightly jointed diaphragms, the diaphragm position can not generate gaps due to looseness even after the water pressure is suddenly increased, the water flow can not jack up the diaphragm part, the impurities and particles in the water flow can be filtered through the filter screen, the solid particles and the impurities in the liquid are prevented from being stuck on the diaphragms so that the diaphragms generate gaps when being sealed, the diaphragms are prevented from being damaged and broken due to the impurities, the flow control assembly is used for controlling the opening and closing of the two diaphragms, the diaphragms are soft in texture, the water pressure can be balanced between the two diaphragms, the diaphragms can not be jacked, thereby the flow limiting effect is achieved, the buffering is achieved through the weir plate, the diaphragm valve is prevented from being damaged by water flow impact, impurities in water can be discharged in time through the emptying assembly, and the valve is prevented from being blocked.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is an internal cross-sectional view of the closure assembly of the present invention;

FIG. 4 is an internal cross-sectional view of the hold-down assembly of the present invention;

fig. 5 is an internal cross-sectional view of a diaphragm assembly according to the present invention.

In the figure: 1. mounting the cylinder; 2. a control switch group; 3. a drain pipe; 4. a seal assembly; 401. a flange ring; 402. mounting a screw hole; 403. a seal ring; 5. evacuating the assembly; 501. emptying the funnel; 502. an evacuation valve; 503. emptying the air; 6. a baffle plate; 7. a water inlet pipe; 8. closing the assembly; 801. a sealing block; 802. an inner cavity; 803. a water through port I; 9. filtering with a screen; 10. a weir plate; 11. waste discharge holes; 12. a diaphragm assembly; 1201. a base film; 1202. a lower diaphragm; 1203. an upper diaphragm; 1204. a water through port II; 13. a compression assembly; 1301. an electric telescopic rod I; 1302. a top frame; 1303. a guide bar; 1304. a guide cylinder; 1305. a chassis; 14. a flow control assembly; 1401. a main slide bar; 1402. an electric telescopic rod II; 1403. a sleeve.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to the accompanying drawings 1-5, the diaphragm valve capable of controlling flow comprises a drain pipe 3 and a water inlet pipe 7, wherein the drain pipe 3 is connected with the water inlet pipe 7, a closed assembly 8 is installed at the joint of the drain pipe 3 and the water inlet pipe 7, the drain pipe 3 and the water inlet pipe 7 are separated by the closed assembly 8, the joint of the drain pipe 3 and the water inlet pipe is connected with the lower end of an installation cylinder 1, the installation cylinder 1 is positioned right above the closed assembly 8, a diaphragm assembly 12 is installed on the upper side of the closed assembly 8, a compression assembly 13 is installed inside the installation cylinder 1, a flow control assembly 14 is installed on the inner side of the compression assembly 13, an evacuation assembly 5 is installed on the lower side of the drain pipe 3 and the lower side of the water inlet pipe 7, a sealing assembly 4 is installed on one end of the drain pipe 3 and one end of the water inlet pipe 7 far away from the installation cylinder 1, the top of the installation cylinder 1 is provided with a control switch group 2, and the control switch group 2 is electrically connected with an external power supply.

The pressing assembly 13 comprises an electric telescopic rod I1301, a top frame 1302, guide rods 1303, guide cylinders 1304 and a bottom frame 1305, the bottom frame 1305 is fixed on the inner side of the installation cylinder 1 at an equal angle, the electric telescopic rod I1301 and the guide cylinders 1304 are respectively installed on the upper side of the bottom frame 1305, the upper side telescopic ends of the four electric telescopic rods I1301 are connected with the eccentric position of the bottom of the top frame 1302, the bottom of the top frame 1302 is respectively connected with the upper ends of the four guide rods 1303, the four guide rods 1303 are respectively connected with the four guide cylinders 1304 in a sliding mode, and the electric telescopic rod I1301 is electrically connected with the control switch group 2.

The sealing assembly 8 comprises a sealing block 801, an inner cavity 802 and water through ports I803, the sealing block 801 is located under the top frame 1302, the inner cavity 802 is arranged on the upper side of the sealing block 801, the upper side of the inner cavity 802 is communicated with the mounting barrel 1, the two water through ports I803 are arranged on the side face of the inner cavity 802, and the two water through ports I803 are respectively communicated with the drain pipe 3 and the water inlet pipe 7.

The diaphragm assembly 12 comprises a bottom diaphragm 1201, a lower diaphragm 1202, an upper diaphragm 1203 and water through ports II 1204, wherein the bottom of the inner cavity 802 is provided with the bottom diaphragm 1201, the outer sides of the lower diaphragm 1202 and the upper diaphragm 1203 are respectively sleeved with the lower end of the inner side of the mounting barrel 1, the upper diaphragm 1203 is positioned above the lower diaphragm 1202, the eccentric position of the lower diaphragm 1202 is provided with the two water through ports II 1204, and the two water through ports II 1204 are respectively corresponding to the two water through ports I803.

The flow control assembly 14 comprises a main sliding rod 1401, electric telescopic rods II 1402 and a sleeve 1403, the bottom of the lower side of the top frame 1302 is connected with the upper end of the main sliding rod 1401, the lower end of the main sliding rod 1401 penetrates through a central hole of the upper membrane 1203 to be connected with the center of the upper side of the lower membrane 1202, the sleeve 1403 is connected onto the main sliding rod 1401 in a sliding mode, four electric telescopic rods II 1402 are installed on the lower side of the top frame 1302, the lower telescopic ends of the four electric telescopic rods II 1402 are connected with the upper end of the sleeve 1403, the lower end of the sleeve 1403 is connected with the upper side of the upper membrane 1203, and the electric telescopic rods II 1402 are electrically connected with the control switch group 2.

The emptying assembly 5 comprises an emptying funnel 501, an emptying valve 502 and an emptying port 503, wherein the emptying funnel 501 is respectively communicated with the drain pipe 3 and the water inlet pipe 7, the lower end output port of the emptying funnel 501 is connected with the emptying port 503, and the emptying valve 502 is installed on the emptying port 503.

Drain pipe 3 with filter screen 9 is all installed to the inside of inlet tube 7, filter screen 9 is located seal assembly 8 with between the evacuation assembly 5.

The sealing assembly 4 comprises a flange ring 401, an installation screw hole 402 and a sealing ring 403, wherein the flange ring 401 is far away from one side of the installation cylinder 1 and is provided with the sealing ring 403, and the eccentric position of the flange ring 401 is provided with six equal-angle distribution installation screw holes 402.

The inside of inlet tube 7 from left to right is equipped with weir plate 10 and baffle 6 in proper order, the upper end of weir plate 10 with the inside contactless of inlet tube 7, the lower extreme of baffle 6 with the inside contactless of inlet tube 7, the lower extreme of weir plate 10 is equipped with waste discharge hole 11.

In embodiment 1, when the diaphragm valve capable of controlling flow is used, two 401 flange rings are respectively connected with an external input pipeline and an external output pipeline through 402 mounting screw holes, are sealed through 403 sealing rings, are powered on, water flows enter a 7 water inlet pipe, are blocked by a 6 baffle, are blocked by a 10 weir plate after passing below the 6 baffle, gradually overflow from the upper part of the 10 weir plate to reduce impact force, enter an 802 inner cavity from a 803 water inlet I through a 9 filter screen, enter a 3 water outlet pipe from another 803 water inlet I through another 9 filter screen, are discharged through another 9 filter screen, an electric telescopic rod I is started 1301 by a 2 control switch group to shrink when the diaphragm valve is closed, a 1302 top frame is driven to descend along a 1304 guide cylinder through a 1303 guide rod, so that a 14 flow control assembly abuts against a 1202 lower diaphragm to attach to a base membrane 1201, at the moment, an 1203 upper diaphragm is attached to a 1202 lower diaphragm to finish sealing, and when flow control is needed, the 1402 electric telescopic rod II is started to drive the 1403 sleeve to ascend along the 1401 main sliding rod, the 1203 upper diaphragm and 1202 lower diaphragm are pulled to be separated, water can enter the 1203 upper diaphragm and 1202 lower diaphragm through the 1204 water through hole II, then the water is discharged from the other 1204 water through hole II, when internal impurities need to be cleaned, the 502 emptying valve is opened to enable the internal impurities to be discharged through the 503 emptying hole after being collected through the 501 emptying funnel, and the impurities in the 7 water inlet pipe can smoothly enter the 501 emptying funnel through the 11 emptying hole.

The invention is not described in detail in the prior art, and although the invention has been specifically shown and described in connection with the preferred embodiments, the method and the way of implementing the technical solution are numerous, and only the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims, which are within the scope of the invention.

Claims

1. A diaphragm valve capable of controlling flow, which comprises a water outlet pipe (3) and a water inlet pipe (7), and is characterized in that: the drain pipe (3) with the inlet tube (7) is connected, drain pipe (3) with the junction of inlet tube (7) installs and seals assembly (8), drain pipe (3) with pass through between inlet tube (7) seal assembly (8) and separate, drain pipe (3) with the junction of inlet tube is connected with the lower extreme of installation section of thick bamboo (1), installation section of thick bamboo (1) is located seal assembly (8) directly over, seal assembly (8)'s upside and install diaphragm assembly (12), the internally mounted of installation section of thick bamboo (1) has and compresses tightly assembly (13), the inboard that compresses tightly assembly (13) is installed and is controlled and flow assembly (14), drain pipe (3) with evacuation assembly (5) is all installed to the downside of inlet tube (7), drain pipe (3) with inlet tube (7) are kept away from the one end of installation section of thick bamboo (1) all installs sealed assembly (4), the top of installation section of thick bamboo (1) is equipped with control switch group (2), control switch group (2) and external power source electric connection.

2. A diaphragm valve capable of controlling flow according to claim 1, wherein: the pressing assembly (13) comprises an electric telescopic rod I (1301), a top frame (1302), guide rods (1303), guide cylinders (1304) and a bottom frame (1305), the inner side of the installation cylinder (1) is fixed with the bottom frame (1305) at equal angles, the electric telescopic rod I (1301) and the guide cylinders (1304) are installed on the upper side of the bottom frame (1305) respectively, the upper side telescopic ends of the electric telescopic rods I (1301) are connected with the bottom eccentric position of the top frame (1302), the bottom of the top frame (1302) is connected with the upper ends of the guide rods (1303) respectively, the four guide rods (1303) are connected with the four guide cylinders (1304) in a sliding mode, and the electric telescopic rod I (1301) is electrically connected with the control switch group (2).

3. A diaphragm valve capable of controlling flow according to claim 2, wherein: seal assembly (8) including sealing piece (801), inner chamber (802), water passage I (803), sealing piece (801) are located under roof-rack (1302), the upside of sealing piece (801) is equipped with inner chamber (802), the upside of inner chamber (802) with installation section of thick bamboo (1) intercommunication, the side of inner chamber (802) is equipped with two water passage I (803), two water passage I (803) respectively with drain pipe (3) with inlet tube (7) intercommunication.

4. A diaphragm valve capable of controlling flow according to claim 3, wherein: the diaphragm assembly (12) includes basement membrane (1201), lower diaphragm (1202), goes up diaphragm (1203), water service port II (1204), the bottom of inner chamber (802) is equipped with basement membrane (1201), lower diaphragm (1202) with the outside of going up diaphragm (1203) all with the inboard lower extreme of installation section of thick bamboo (1) cup joints, it is located to go up diaphragm (1203) the top of lower diaphragm (1202), the off-centre department of lower diaphragm (1202) is equipped with two water service port II (1204), two water service port II (1204) respectively with two the position of water service port I (803) corresponds.

5. A diaphragm valve capable of controlling flow according to claim 4, wherein: the flow control assembly (14) comprises a main sliding rod (1401), electric telescopic rods II (1402) and a sleeve (1403), the bottom of the lower side of the top frame (1302) is connected with the upper end of the main sliding rod (1401), the lower end of the main sliding rod (1401) penetrates through a central hole of the upper membrane (1203) to be connected with the center of the upper side of the lower membrane (1202), the sleeve (1403) is connected onto the main sliding rod (1401) in a sliding mode, the four electric telescopic rods II (1402) are installed on the lower side of the top frame (1302), the telescopic ends of the lower sides of the four electric telescopic rods II (1402) are connected with the upper end of the sleeve (1403), the lower end of the sleeve (1403) is connected with the upper side of the upper membrane (1203), and the electric telescopic rods II (1402) are electrically connected with the control switch group (2).

6. A diaphragm valve capable of controlling flow according to claim 1, wherein: the emptying assembly (5) comprises an emptying funnel (501), an emptying valve (502) and an emptying port (503), wherein the emptying funnel (501) is communicated with the drain pipe (3) and the water inlet pipe (7) respectively, the lower end output port of the emptying funnel (501) is connected with the emptying port (503), and the emptying valve (502) is installed on the emptying port (503).

7. A diaphragm valve capable of controlling flow according to claim 6, wherein: drain pipe (3) with filter screen (9) are all installed to the inside of inlet tube (7), filter screen (9) are located seal assembly (8) with between evacuation assembly (5).

8. A diaphragm valve capable of controlling flow according to claim 1, wherein: sealed assembly (4) include flange ring (401), installation screw (402), sealing ring (403), keep away from flange ring (401) install one side of installation section of thick bamboo (1) sealing ring (403), the eccentric department of flange ring (401) is equipped with six equal angular distribution installation screw (402).

9. A diaphragm valve capable of controlling flow according to claim 1, wherein: the inside of inlet tube (7) from left to right is equipped with weir plate (10) and baffle (6) in proper order, the upper end of weir plate (10) with the inside contactless of inlet tube (7), the lower extreme of baffle (6) with the inside contactless of inlet tube (7), the lower extreme of weir plate (10) is equipped with row's useless hole (11).