CN218118698U

CN218118698U - Detachable diaphragm valve

Info

Publication number: CN218118698U
Application number: CN202221978575.7U
Authority: CN
Inventors: 阮淑轻
Original assignee: Dalian Shenhua Light Industry Machinery Co ltd
Current assignee: Dalian Shenhua Light Industry Machinery Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-23
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a diaphragm valve of removable fraction, including diaphragm valve main part and last valve gap, diaphragm valve main part middle part top is provided with the valve gap, and is provided with on the valve gap and presses the briquetting, press briquetting bottom surface to be provided with the top cap, and the inside connecting rod that is provided with of top cap, connecting rod outer wall cover is equipped with the stopper, and the stopper outer wall has seted up the limit groove, it is provided with the lug to go up the valve gap inner wall, and lug quantity is three, it has the sealing washer to go up bonding of valve gap top inner wall. This diaphragm valve of removable fraction, it is different with traditional twisting regulation, the switch mode of diaphragm valve main part uses presses the pivoted mode, and easy operation is convenient, need not to rotate the hand wheel many times, reduces the complicated flow when operating, is applicable to the less connecting pipe of water pressure, and the split is also very convenient when overhauing simultaneously, twists the fixing bolt who moves both sides and demolishs, rotates the diaphragm from the connecting block afterwards and takes off, accomplishes the convenient change to the diaphragm.

Description

Detachable diaphragm valve

Technical Field

The utility model relates to a diaphragm valve technical field specifically is a diaphragm valve of removable fraction.

Background

The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing piece 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 diaphragm is made of elastic, corrosion-resistant and impermeable materials such as rubber and plastics. The valve body is made of multipurpose plastic, glass fiber reinforced plastic, ceramic or metal lining rubber material.

The diaphragm valve that has now has the too loaded down with trivial details problem of operation, and diaphragm valve need last rotate the hand wheel among the prior art, accomplishes the diaphragm valve and opens or close, and when diaphragm valve was applied to the less place of rivers pressure, this operation was too loaded down with trivial details, and waste time to above-mentioned problem, carries out technical innovation on current device basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm valve of removable fraction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a removable fraction's diaphragm valve, includes diaphragm valve main part and last valve gap, diaphragm valve main part middle part top is provided with the valve gap, and is provided with on the last valve gap and press the briquetting, press the briquetting bottom surface to be provided with the top cap, and the inside connecting rod that is provided with of top cap, connecting rod outer wall cover is equipped with the stopper, and the stopper outer wall has seted up the limit groove, it is provided with the lug to go up the valve gap inner wall, and lug quantity is three, it has the sealing washer to go up valve gap top inner wall bonding, and sealing washer inner wall size is identical with connecting rod outer wall size, the connecting rod bottom is provided with the connecting block, and the connecting block outer wall is the design of screw thread form structure, top cap inner wall size is greater than last valve gap top outer wall size, the inside internal groove of having seted up of diaphragm valve main part.

Furthermore, a diaphragm is connected to the lower portion of the connecting block, fixing bolts are arranged on two sides of the diaphragm, and a thread groove is formed in the outer wall of the upper portion of the diaphragm.

Further, press the briquetting and pass through connecting rod and diaphragm threaded connection, and press briquetting, connecting rod and diaphragm to distribute the setting for same axis.

Furthermore, the central axis of the upper valve cover of the fixing bolt is symmetrically arranged, and the upper valve cover is fixedly connected with the diaphragm valve main body through the fixing bolt.

Furthermore, the size of the outer wall of the side groove is larger than that of the outer wall of the lug, and the lug and the upper valve cover are designed into an integrated structure.

Furthermore, the outer wall of the top cover is provided with a first positioning block, and a second positioning block is arranged at the position, corresponding to the first positioning block, of the outer wall of the upper valve cover.

Furthermore, the first positioning block and the side groove are distributed on the same horizontal line, and the second positioning block and the first positioning block are designed in the same structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is different from the traditional twisting regulation, the switch mode of the diaphragm valve main body adopts a pressing rotation mode, the operation is simple and convenient, the hand wheel does not need to be rotated for many times, the complex flow during the operation is reduced, the diaphragm valve is suitable for connecting pipes with smaller water pressure, and the convenience of equipment is improved;

2. the utility model is very convenient to disassemble when in maintenance, the fixing bolts on both sides are unscrewed and removed, and then the diaphragm is rotated and taken down from the connecting block, so that the convenient replacement of the diaphragm is completed, the complicated operation flow is reduced, and the convenience of the maintenance of workers is increased;

3. the utility model discloses when using, the position in stopper outer wall limit groove is observed to the first locating piece of accessible and second locating piece, only needs to rotate the limit groove to the position that coincides mutually with the lug, can be through the switch of pressing the briquetting adjusting valve body, and the valve body has three regulation states, is opening, closing respectively or well shelves, is applicable to the rivers operation under the different situation.

Drawings

Fig. 1 is a schematic view of a detachable diaphragm valve main body of the present invention in a front-cut and closed structure;

fig. 2 is a schematic view of a detachable diaphragm valve main body of the present invention in a positive split structure;

fig. 3 is a schematic view of a partial three-dimensional structure of the diaphragm valve stopper and the bump of the present invention;

fig. 4 is an enlarged schematic view of a position a in fig. 1 of the detachable diaphragm valve of the present invention.

In the figure: 1. a diaphragm valve body; 2. a through body groove; 3. an upper valve cover; 4. fixing the bolt; 5. a membrane; 6. a thread groove; 7. connecting blocks; 8. a connecting rod; 9. a pressing block; 10. a top cover; 11. an inner tank; 12. a limiting block; 13. a side groove; 14. a bump; 15. a seal ring; 16. a first positioning block; 17. and a second positioning block.

Detailed Description

As shown in fig. 1-4, an upper valve cover 3 is disposed above the middle portion of a diaphragm valve body 1, a pressing block 9 is disposed above the upper valve cover 3, a top cover 10 is disposed on the bottom surface of the pressing block 9, a connecting rod 8 is disposed inside the top cover 10, a stopper 12 is sleeved on the outer wall of the connecting rod 8, a side groove 13 is disposed on the outer wall of the stopper 12, three bumps 14 are disposed on the inner wall of the upper valve cover 3, a sealing ring 15 is bonded on the inner wall of the top end of the upper valve cover 3, the inner wall of the sealing ring 15 is identical in size to the outer wall of the connecting rod 8, a connecting block 7 is disposed at the bottom end of the connecting rod 8, the outer wall of the connecting block 7 is in a screw thread structure design, the inner wall of the top cover 10 is larger than the outer wall of the top end of the upper valve cover 3, an inner groove 11 is disposed on the inner wall of the upper valve cover 3, a through groove 2 is disposed inside the diaphragm valve body 1, a diaphragm 5 is connected below the connecting block 7, fixing bolts 4 are arranged on two sides of the diaphragm 5, a thread groove 6 is formed in the outer wall above the diaphragm 5, a pressing block 9 is in threaded connection with the diaphragm 5 through a connecting rod 8, the pressing block 9, the connecting rod 8 and the diaphragm 5 are distributed on the same central axis, the fixing bolts 4 are symmetrically arranged on the central axis of the upper valve cover 3, the upper valve cover 3 is fixedly connected with the diaphragm valve main body 1 through the fixing bolts 4, the size of the outer wall of the side groove 13 is larger than that of the outer wall of the lug 14, the lug 14 and the upper valve cover 3 are in an integrated structural design, a first positioning block 16 is arranged on the outer wall of the top cover 10, a second positioning block 17 is arranged on the outer wall of the upper valve cover 3 corresponding to the first positioning block 16, the first positioning block 16 and the side groove 13 are distributed on the same horizontal line, and the second positioning block 17 and the first positioning block 16 are in the same structural design;

the diaphragm valve main body 1 is different from the traditional screwing adjustment, the switch mode of the diaphragm valve main body 1 adopts a pressing rotation mode, the operation is simple and convenient, a hand wheel does not need to be rotated for many times, the complex flow during operation is reduced, the diaphragm valve is suitable for connecting pipes with small water pressure, and the convenience of equipment is improved;

the diaphragm 5 is convenient to replace by screwing the fixing bolts 4 on the two sides and then rotating and taking down the diaphragm 5 from the connecting block 7, so that the complex operation process is reduced, and the convenience of workers in overhauling is improved;

when the water flow adjusting valve is used, the position of the side groove 13 on the outer wall of the limiting block 12 can be observed through the first positioning block 16 and the second positioning block 17, the switch of the valve body can be adjusted through the pressing block 9 only by rotating the side groove 13 to the position coincident with the convex block 14, the valve body has three adjusting states which are respectively opening, closing and middle gear, and the water flow adjusting valve is suitable for water flow operation under different conditions.

The working principle is as follows: when the detachable diaphragm valve is used, firstly, the device is used for low-pressure water flow, the diaphragm valve main body 1 is connected with an external pipeline, water flow can flow through the diaphragm valve main body 1, when adjustment is needed, the position of the side groove 13 on the outer wall of the limiting block 12 is observed through the first positioning block 16 and the second positioning block 17, whether the water flow is matched with the convex block 14 on the inner wall of the upper valve cover 3 or not is known, if the water flow is matched with the convex block, the pressing block 9 can be used for pressing down or upwards to a specified position, then the pressing block 9 is rotated, the pressing block 9 drives the connecting rod 8 to move simultaneously, the limiting block 12 is clamped with the inner groove 11, adjustment of the diaphragm 5 is completed, the outer wall of the upper valve cover 3 is provided with a hole groove, the inside is not in a vacuum state, the device is also quite convenient and fast to disassemble when being overhauled, the fixing bolts 4 on two sides are screwed and disassembled, then the diaphragm 5 is rotated and disassembled from the connecting block 7, the diaphragm valve 5 is convenient to replace the diaphragm valve 5, and the detachable diaphragm valve is the working principle of the detachable diaphragm valve.

Claims

1. The utility model provides a diaphragm valve of removable fraction, includes diaphragm valve main part (1) and last valve gap (3), its characterized in that, diaphragm valve main part (1) middle part top is provided with valve gap (3), and goes up valve gap (3) top and be provided with and press briquetting (9), press briquetting (9) bottom surface to be provided with top cap (10), and top cap (10) inside is provided with connecting rod (8), connecting rod (8) outer wall cover is equipped with stopper (12), and stopper (12) outer wall has seted up limit groove (13), it is provided with lug (14) to go up valve gap (3) inner wall, and lug (14) quantity is three, it has sealing washer (15) to go up valve gap (3) top inner wall bonding, and sealing washer (15) inner wall size is identical with connecting rod (8) outer wall size, connecting rod (8) bottom is provided with connecting block (7), and connecting block (7) outer wall is the design of screw thread form structure, top cap (10) inner wall size is greater than valve gap (3) top outer wall size, go up valve gap (3) inner wall size, inside groove (11) has been seted up to go up valve gap (3) inner wall, diaphragm valve main part (1) inside has seted up through body groove (2).

2. A detachable diaphragm valve according to claim 1, wherein a diaphragm (5) is connected below the connecting block (7), fixing bolts (4) are arranged on both sides of the diaphragm (5), and a thread groove (6) is formed in the outer wall above the diaphragm (5).

3. A detachable diaphragm valve according to claim 2, wherein the pressing block (9) is in threaded connection with the diaphragm (5) through a connecting rod (8), and the pressing block (9), the connecting rod (8) and the diaphragm (5) are distributed on the same central axis.

4. A separable diaphragm valve according to claim 2, wherein the fixing bolts (4) are symmetrically arranged on the central axis of the upper valve cover (3), and the upper valve cover (3) is fixedly connected with the diaphragm valve main body (1) through the fixing bolts (4).

5. A separable diaphragm valve according to claim 1, wherein the size of the outer wall of said side groove (13) is larger than that of the outer wall of said projection (14), and said projection (14) and said upper valve cover (3) are designed as an integral structure.

6. A detachable diaphragm valve according to claim 1, wherein the outer wall of the top cover (10) is provided with a first positioning block (16), and the outer wall of the upper valve cover (3) is provided with a second positioning block (17) at a position corresponding to the first positioning block (16).

7. The separable diaphragm valve according to claim 6, wherein the first positioning block (16) and the side groove (13) are distributed in the same horizontal line, and the second positioning block (17) and the first positioning block (16) are designed in the same structure.