CN217951291U - Diaphragm valve convenient to overhaul - Google Patents

Abstract

The utility model discloses a diaphragm valve convenient to overhaul, including diaphragm valve main part and lubricating assembly, diaphragm valve gap is installed to diaphragm valve main part middle part top for convenient operation lubricating assembly sets up in diaphragm valve gap right side, lubricating assembly includes injection syringe, injection head, push rod and activity stopper, the injection syringe is close to diaphragm valve gap one end and is provided with the injection head, and the injection head outer wall is the design of screw thread-like structure, injection syringe internally mounted has the activity to be filled in, and the activity fills in the right side and is connected with the push rod, the activity is filled in outer wall size and is identical with the injection syringe inner wall size. This diaphragm valve convenient to overhaul passes through lubricating assembly, when reducing wear, makes things convenient for the staff to use more, reduces the strength that the staff used when needing the operation, through overhauing the subassembly, can overhaul equipment when the staff, with the diaphragm valve gap hoist, has avoided because of the mounted position is too narrow, inconvenience when leading to overhauing, increases the equipment convenience.

Description

Diaphragm valve convenient to overhaul

Technical Field

The utility model relates to a diaphragm valve technical field specifically is a diaphragm valve convenient to overhaul.

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.

Application No.: 202220212902.1 discloses a rubber-lined diaphragm valve with high corrosion resistance, which relates to the technical field of rubber-lined diaphragm valves and aims to solve the problem that the sealing performance of the existing rubber-lined diaphragm valve is reduced due to the fact that the valve switch is corroded after long-time use. The diaphragm valve storehouse is characterized in that valve pipes are arranged at two ends of the diaphragm valve storehouse, a valve inner shell is arranged at the upper end of the diaphragm valve storehouse, a locking rod is arranged above the inner portion of the valve inner shell, an outer shell of the locking rod is fixedly connected with a clamping groove of the valve inner shell, a sealing ring is arranged above the valve inner shell, a sealing ring is arranged between the valve inner shell and the sealing ring, sealing ring reinforcing plates are arranged on the periphery of the sealing ring, an inner thread sleeve is arranged at the lower end of the outer shell of the locking rod, a telescopic threaded rod is arranged at the lower end of the locking rod and is in sliding connection with the inner clamping groove of the locking rod, a sealing head is arranged at the lower end of the telescopic threaded rod, and a corrosion-resistant rubber lining diaphragm is arranged at the lower end of the sealing head. But its too hard problem when using, when the threaded rod of diaphragm valve was used for a long time, the outer wall wearing and tearing were great, when adjusting the valve body, needed great strength to rotate, to above-mentioned problem, carried out technological innovation on current device basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm valve convenient to overhaul 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 diaphragm valve convenient to overhaul, includes diaphragm valve main part and lubricating assembly, diaphragm valve cover is installed to diaphragm valve main part middle part top, is used for convenient operation lubricating assembly sets up in diaphragm valve cover right side, lubricating assembly includes injection tube, injection head, push rod and activity stopper, the injection tube is close to diaphragm valve cover one end and is provided with the injection head, and the injection head outer wall is thread-like structural design, the injection tube internally mounted has the activity to be filled in, and the activity fills in the right side and is connected with the push rod, the activity fills in outer wall size and injection tube inner wall size identical, the injection head internally mounted has the subassembly of preventing flowing against the current that is used for preventing against the current.

Furthermore, a diaphragm is arranged inside the diaphragm valve main body, and a threaded rod is arranged above the diaphragm.

Furthermore, a twisting wheel is arranged above the diaphragm valve cover, and an overhauling assembly used for convenient overhauling is arranged above the twisting wheel.

Furthermore, the maintenance assembly comprises a connecting ring, a connecting block and clamping blocks, the connecting block is arranged below the connecting ring, and the clamping blocks are arranged on two sides of the outer wall of the connecting block.

Furthermore, the maintenance assembly further comprises a slot and a limiting groove, the slot is formed in the outer wall above the twisting wheel, and the limiting groove is formed in the bottom end of the slot.

Furthermore, the anti-reflux assembly comprises a rubber ball and a return spring, and the return spring is connected to the left side of the rubber ball.

Furthermore, the anti-reflux assembly further comprises a supporting plate and a groove, the side, away from the rubber ball, of the reset spring is connected with the supporting plate, and the outer wall of the supporting plate is provided with the groove in a penetrating mode.

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

this diaphragm valve convenient to overhaul passes through lubricating assembly, when reducing wear, makes things convenient for the staff to use more, reduces the strength that the staff used when needing the operation, through overhauing the subassembly, can overhaul equipment when the staff, with the diaphragm valve gap hoist, has avoided because of the mounted position is too narrow, inconvenience when leading to overhauing, increases the equipment convenience.

1. The utility model discloses a setting of lubrication assembly, injection syringe, injection head, push rod and activity stopper can be effectual lubricate the threaded connection department between threaded rod and the diaphragm valve gap, and injection head and diaphragm valve gap are the screw thread type connected mode, promotes the activity stopper to one side through the push rod, makes lubricating grease get into the threaded connection department between threaded rod and the diaphragm valve gap, lubricates it, when reducing wearing and tearing, more makes things convenient for the staff to use, reduces the strength that the staff need use, increases the equipment practicality;

2. the utility model discloses a set up of anti-reflux subassembly, rubber ball, reset spring, backup pad and recess, can prevent that inside gas from flowing against the current, if the diaphragm takes place to damage, inside liquid can reverse entering injection head, cause lubricating grease to leak, and is comparatively difficult to clear up, and the inside check valve that is of injection head handles, and when lubricating grease was injected by the injection syringe, rubber ball moved to the left side, and lubricating grease can enter through the recess of backup pad outer wall, but can't enter the injection syringe from inside, has effectively avoided the leakage of lubricating grease, leads to clearing up very difficult;

3. the utility model discloses an overhaul the setting of subassembly, go-between, connecting block, fixture block, slot and spacing groove, can be in comparatively constrictive place, overhaul work to the diaphragm valve main part, the go-between inserts in the slot through the fixture block of connecting block both sides, rotate the go-between afterwards and make fixture block and spacing groove accomplish spacingly, the go-between can be when the staff overhauls equipment, hoist the diaphragm valve gap, avoided too narrow because of the mounted position, inconvenience when leading to overhauing, increase the equipment convenience.

Drawings

Fig. 1 is a schematic view of a diaphragm valve main body forward-cut structure of the diaphragm valve convenient to overhaul;

FIG. 2 is a schematic view of a front cross-sectional structure of a diaphragm valve lubricating assembly convenient for maintenance;

FIG. 3 is a schematic view of a forward-cut structure of the diaphragm valve anti-reflux assembly of the present invention, which is convenient for maintenance;

figure 4 is the utility model relates to a diaphragm valve overhauls subassembly spatial structure schematic diagram convenient to overhaul.

In the figure: 1. a diaphragm valve body; 2. a twist wheel; 3. overhauling the assembly; 301. a connecting ring; 302. connecting blocks; 303. a clamping block; 304. a slot; 305. a limiting groove; 4. a lubrication assembly; 401. an injection tube; 402. an injection head; 403. a push rod; 404. A movable plug; 5. an anti-backflow component; 501. a rubber ball; 502. a return spring; 503. a support plate; 504. a groove; 6. a membrane; 7. a diaphragm valve cover; 8. a threaded rod.

Detailed Description

As shown in fig. 1-4, a diaphragm valve convenient for maintenance, a diaphragm valve cover 7 is installed above the middle of a diaphragm valve main body 1, an anti-backflow component 5 for preventing backflow is installed inside an injection head 402, a diaphragm 6 is arranged inside the diaphragm valve main body 1, a threaded rod 8 is arranged above the diaphragm 6, a twist wheel 2 is arranged above the diaphragm valve cover 7, a maintenance component 3 for convenient maintenance is arranged above the twist wheel 2, the maintenance component 3 comprises a connection ring 301, a connection block 302 and a fixture block 303, the connection ring 301 is arranged below the connection ring 301, the fixture block 303 is arranged on both sides of the outer wall of the connection block 302, the check block comprises a slot 304 and a limiting groove 305, a slot 304 is formed in the outer wall above the twist wheel 2, the bottom end of the slot 304 is provided with the limiting groove 305, the anti-backflow component 5 comprises a rubber ball and a return spring 502, a return spring 502 is connected on the left side of the rubber ball, the anti-backflow component 5 further comprises a support plate 503 and a groove 504, the support plate 503 is connected to the outer wall of the support plate 503, if the diaphragm 6 is damaged, the internal liquid can reversely enter the connection ring 402, the grease leakage is very difficult to clean, the grease is difficult to clean when the grease is injected into the slot 501, the check ball 501, the grease injection head can be prevented from entering the check valve 501, the check tube 401, the check tube can be cleaned, the grease injection head 301, the grease injection head can be cleaned by a single-way, the check tube 401, the diaphragm valve cover 7 is lifted, so that inconvenience in maintenance caused by too narrow installation position is avoided;

as shown in fig. 2, the lubricating assembly 4 for convenient operation is disposed on the right side of the diaphragm valve cover 7, the lubricating assembly 4 includes an injection tube 401, an injection head 402, a push rod 403 and a movable plug 404, the injection tube 401 is provided with the injection head 402 near one end of the diaphragm valve cover 7, and the outer wall of the injection head 402 is designed to be a thread-like structure, the movable plug 404 is mounted inside the injection tube 401, and the right side of the movable plug 404 is connected with the push rod 403, the outer wall of the movable plug 404 is matched with the inner wall of the injection tube 401 in size, the injection head 402 and the diaphragm valve cover 7 are in a threaded connection mode, the movable plug 404 is pushed to one side by the push rod 403, so that lubricating grease enters the threaded connection between the threaded rod 8 and the diaphragm valve cover 7, the lubricating grease is lubricated, while abrasion is reduced, the use by a worker is facilitated, the effort required by the worker is reduced, and the practicability of the device is increased.

The working principle is as follows: when the easy-to-overhaul diaphragm valve is used, the diaphragm valve body 1 is in butt joint with a pipeline, the threaded rod 8 is driven by the twist wheel 2 to adjust the position of the diaphragm 6, the pipeline liquid is switched on and off, the injection head 402 and the diaphragm valve cover 7 are in a threaded connection mode, the movable plug 404 is pushed to one side through the push rod 403, so that lubricating grease enters the threaded connection position between the threaded rod 8 and the diaphragm valve cover 7 and is lubricated, if the diaphragm 6 is damaged, the internal liquid can reversely enter the injection head 402 to cause leakage of the lubricating grease, the cleaning is difficult, the one-way valve treatment is performed inside the injection head 402, when the lubricating grease is injected from the injection pipe 401, the rubber ball 501 moves to the left side, the lubricating grease can enter through the groove 504 in the outer wall of the supporting plate 503 and cannot enter the injection pipe 401 from the inside, the overhauling work is performed on the diaphragm valve body 1, the fixture blocks 301 are inserted into the slots 304 through the fixture blocks 303 on two sides of the connecting block 302, then the connecting ring 301 is rotated to enable the fixture blocks 303 and the limiting slots 305 to complete limiting, and the connecting ring 301 can finish the limiting when a worker overhauls the device, the diaphragm valve cover 7, which is the easy-to be the working principle of the easy-to-overhaul diaphragm valve.

Claims (7)

1. The utility model provides a diaphragm valve convenient to overhaul, includes diaphragm valve main part (1) and lubricated subassembly (4), its characterized in that, diaphragm valve main part (1) middle part top is installed diaphragm valve gap (7), is used for convenient operation lubricated subassembly (4) set up in diaphragm valve gap (7) right side, lubricated subassembly (4) are including injection syringe (401), injection head (402), push rod (403) and activity stopper (404), injection syringe (401) are close to diaphragm valve gap (7) one end and are provided with injection head (402), and injection head (402) outer wall is screw thread-like structural design, injection syringe (401) internally mounted has activity stopper (404), and activity stopper (404) right side is connected with push rod (403), activity stopper (404) outer wall size is identical with injection syringe (401) inner wall size, injection head (402) internally mounted has and is used for preventing subassembly (5) of preventing against the current.

2. A service-ready diaphragm valve according to claim 1, where a diaphragm (6) is provided inside the diaphragm valve body (1), and a threaded rod (8) is provided above the diaphragm (6).

3. A service-ready diaphragm valve according to claim 1, wherein a twist wheel (2) is provided above the diaphragm valve cover (7), and a service assembly (3) for convenient service is provided above the twist wheel (2).

4. The easy-to-overhaul diaphragm valve according to claim 3, wherein the overhaul assembly (3) comprises a connecting ring (301), a connecting block (302) and a clamping block (303), the connecting block (302) is arranged below the connecting ring (301), and the clamping block (303) is arranged on two sides of the outer wall of the connecting block (302).

5. A diaphragm valve convenient to overhaul according to claim 3, wherein the overhaul assembly (3) further comprises a slot (304) and a limit groove (305), the slot (304) is formed in the outer wall of the upper portion of the torsion wheel (2), and the limit groove (305) is formed in the bottom end of the slot (304).

6. A service easy diaphragm valve according to claim 1, where said anti-reflux assembly (5) comprises a rubber ball (501) and a return spring (502), where the return spring (502) is connected to the left side of said rubber ball (501).

7. The easy-to-overhaul diaphragm valve according to claim 6, wherein the anti-backflow assembly (5) further comprises a support plate (503) and a groove (504), the support plate (503) is connected to one side, away from the rubber ball (501), of the return spring (502), and the groove (504) is formed in the outer wall of the support plate (503) in a penetrating mode.

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