CN219493122U

CN219493122U - Corrosion-resistant manual diaphragm valve

Info

Publication number: CN219493122U
Application number: CN202320359152.5U
Authority: CN
Inventors: 王旭; 张侃为; 王辉
Original assignee: Tianjin Zhonghuan Industrial Control System Co ltd
Current assignee: Tianjin Zhonghuan Industrial Control System Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-08
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to the technical field of manual diaphragm valves, in particular to a corrosion-resistant manual diaphragm valve which comprises a valve body and a hand wheel, wherein the top of the valve body is fixedly connected with a limiting seat, and the surface of the limiting seat is fixedly connected with a first fixing seat. The utility model has the advantages that: through the cooperation between first fixing base, fixed slot, dead lever, limiting plate, arm-tie and the second spring, thereby can make the dead lever insert the inside of fixed slot and accomplish the auto-lock to the position of hand wheel, further improvement manual diaphragm valve's stability, thereby brush the corrosion-resistant coating through corrosion-resistant protection ring and dead lever and the surface of arm-tie, thereby make its life that improves manual diaphragm valve more corrosion-resistant, cooperation between through the dead lever, the second fixing base, first spring and the response lug, can make the staff more clear the position of first fixing base can carry out the auto-lock to the hand wheel more fast with the response lug between the contact when rotating the adjusting hand wheel.

Description

Corrosion-resistant manual diaphragm valve

Technical Field

The utility model relates to the technical field of manual diaphragm valves, in particular to a corrosion-resistant manual diaphragm valve.

Background

The manual diaphragm valve is a novel valve with a tail valve and a disinfection function, and the advantages of the diaphragm valve are similar to those of the clamping valve. The closure element thereof is not wetted by the process medium and can therefore be manufactured using cheaper materials in a corrosive process medium.

The utility model has been disclosed a manual diaphragm valve for CN202022306292.5 of the application number of China, including valve body, hand wheel, valve rod, water conservancy diversion mouth and disk seat, the said manual diaphragm valve also includes: the bottom of the limiting seat is fixedly connected with the outer surface wall of the top of the valve seat. In the utility model, in the process of driving the valve rod to rotate by the hand wheel, the hand wheel synchronously drives the connecting seat of the outer surface wall to rotate, the protruding blocks which are elastically connected by the elastic parts II in the connecting seat can repeatedly perform telescopic movement in the rotating process due to the action of a plurality of groups of clamping grooves, so that the smooth rotation of the valve rod is ensured, and the device still has some defects in the using process when the valve reaches the specified opening range: the device is not stable enough through the effect of cooperation auto-lock between lug and the draw-in groove, can take place the circumstances emergence of valve rod skew.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

It is therefore an object of the present utility model to provide a corrosion resistant manual diaphragm valve that overcomes the problems mentioned in the background art and overcomes the deficiencies of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a corrosion-resistant manual diaphragm valve, including a valve body and a hand wheel, a limit seat is fixedly connected to a top of the valve body, a surface of the limit seat is fixedly connected with a first fixing seat, one side of the first fixing seat is provided with a fixing groove, an inner sliding connection of the hand wheel is provided with a fixing rod, a surface of the fixing rod is fixedly connected with a limit plate, one side of the limit plate is fixedly provided with a second spring, a seal groove is provided on a surface of the hand wheel, and a corrosion-resistant protection ring is fixedly installed on an inner wall of the seal groove, the technical effects achieved by adopting the above scheme are that: when holding the hand wheel and rotating to close the operation to the diaphragm valve, pulling the arm-tie makes the limiting plate slide to the top of limiting chute, and the dead lever slides and the second spring takes place compression set simultaneously, and the dead lever breaks away from the inside of a fixed slot and can rotate the hand wheel this moment, reaches pivoted formulation scope when rotating to the bottom and making dead lever and annular slab and elastic component one (not shown in the figure) contact, then is loosening the arm-tie and makes the dead lever insert the inside of corresponding fixed slot to fix the completion auto-lock to the position of hand wheel, thereby further improve manual diaphragm valve's stability.

By the preferred inside of arbitrary scheme of above-mentioned, the inside of hand wheel is provided with logical groove, the inner wall sliding connection who leads to the groove has the dead lever, the diameter that leads to the groove is the same with the diameter of dead lever, the one side that the hand wheel was penetrated to the logical groove adopts the technical effect that above-mentioned scheme reached to be: the fixing rod can slide in the fixing rod conveniently through the through groove, so that corresponding self-locking and loosening rotation adjustment operation can be completed.

By the preferred one side of arbitrary scheme of above-mentioned, it is provided with the sliding tray to lead to the groove, the one end that limiting plate was kept away from to the second spring is connected with the inner wall of sliding tray, the middle part sliding connection of corrosion-resistant protection ring has the dead lever, adopts the technical effect that above-mentioned scheme reached to be: the corrosion-resistant protection ring can prevent liquid and the like with corrosion from entering the hand wheel and the valve body through the sealing groove to cause corrosion to a certain extent, so that the service life of the diaphragm valve is prolonged.

By the preferred one side of above-mentioned arbitrary scheme, one side of sliding tray is provided with spacing spout, the inner wall sliding connection of spacing spout has the limiting plate, the diameter of spacing spout is the same with the diameter of limiting plate, one side of spacing spout is provided with the seal groove, the seal groove pierces through the hand wheel, adopts the technical effect that above-mentioned scheme reached to be: the limiting plate slides on the inner wall of the limiting chute, so that the pulling distance can be limited and guided, and the adjustment is more stable.

By the preferred one end fixedly connected with arm-tie of arbitrary scheme above-mentioned dead lever, the arm-tie is located the outside of hand wheel, the dead lever is kept away from the one end of arm-tie and is circular, adopts the technical effect that above-mentioned scheme reached to be: the fixing rod can be conveniently pulled through the pulling plate so as to adjust the position.

By the preferred in above-mentioned arbitrary scheme, the fixed surface of spacing seat is connected with the second fixing base, the inner wall fixed mounting of second fixing base has first spring, the one end fixed mounting of first spring has the response lug, one side of response lug is circular, one side fixedly connected with direction slide of spacing seat, the one end fixedly connected with first fixing base of direction slide adopts the technical effect that above-mentioned scheme reached to be: the first spring is compressed by pressing the sensing lug on one side of the fixing rod in the rotating process, and the compression resistance of the first spring can be transmitted to the pulling plate, so that a worker can clearly know the position of rotation adjustment.

By the above-mentioned arbitrary scheme preferred, first fixing base and second fixing base circumference equidistance distribute the surface at spacing seat, the inside of valve body is provided with valve rod and diaphragm, the surface brush of dead lever and arm-tie has corrosion-resistant coating, adopts the technical effect that above-mentioned scheme reached to be: the valve rod descends to drive the diaphragm to descend, so that the diaphragm valve is closed.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. this corrosion-resistant manual diaphragm valve, through the cooperation between first fixing base, fixed slot, dead lever, limiting plate, arm-tie and the second spring, thereby can make the dead lever insert the inside of fixed slot and accomplish the auto-lock to the position of hand wheel to further improvement manual diaphragm valve's stability.

2. According to the corrosion-resistant manual diaphragm valve, the corrosion-resistant paint is brushed on the surfaces of the corrosion-resistant protection ring, the fixed rod and the pull plate, so that the corrosion-resistant manual diaphragm valve is more corrosion-resistant, and the service life of the manual diaphragm valve is prolonged.

3. This corrosion-resistant manual diaphragm valve, through the cooperation between dead lever, second fixing base, first spring and the response lug, can make the position of first fixing base more clear with the contact between the response lug when rotating adjusting handle to can be more quick carry out the auto-lock to the hand wheel.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic view of the structure at A according to the first embodiment of the present utility model;

FIG. 3 is a schematic view of a partial structure of a first embodiment of the present utility model;

fig. 4 is a schematic diagram of a structure at B according to a first embodiment of the present utility model.

Wherein: the valve comprises a valve body, a 2-hand wheel, a 3-limiting seat, a 4-first fixing seat, a 5-fixing groove, a 6-second fixing seat, a 7-first spring, an 8-sensing lug, a 9-fixing rod, a 10-limiting plate, an 11-pulling plate, a 12-second spring, a 13-sliding groove, a 14-limiting sliding groove, a 15-corrosion-resistant protection ring, a 16-valve rod, a 17-diaphragm, an 18-guiding sliding plate, a 19-sealing groove and a 20-through groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

Embodiment one: as shown in fig. 1 to 4, a corrosion-resistant manual diaphragm valve comprises a valve body 1 and a hand wheel 2, the top of the valve body 1 is fixedly connected with a limit seat 3, the surface of the limit seat 3 is fixedly connected with a first fixed seat 4, one side of the first fixed seat 4 is provided with a fixed groove 5, the inside of the hand wheel 2 is slidably connected with a fixed rod 9, the surface of the fixed rod 9 is fixedly connected with a limit plate 10, one side of the limit plate 10 is fixedly provided with a second spring 12, the surface of the hand wheel 2 is provided with a seal groove 19, the inner wall of the seal groove 19 is fixedly provided with a corrosion-resistant protection ring 15, when the hand wheel 2 is held to rotate to close the diaphragm valve, the pull plate 11 is pulled to enable the limit plate 10 to slide to the top end of the limit groove 14, the fixed rod 9 slides and the second spring 12 is compressed and deformed, at the moment, the fixed rod 9 is separated from the inside of one fixed groove 5 and can rotate the hand wheel 2, the fixed rod 9 is enabled to be contacted with a ring plate and an elastic piece (not shown in the figure) at the bottom end, then the pull plate 11 is released to enable the fixed rod 9 to be inserted into the inside of the corresponding fixed groove 5, and the self-locking stability of the hand wheel 2 is further improved.

As an alternative technical scheme of the utility model, the through groove 20 is arranged in the hand wheel 2, the inner wall of the through groove 20 is slidably connected with the fixing rod 9, the diameter of the through groove 20 is the same as that of the fixing rod 9, the through groove 20 penetrates through one side of the hand wheel 2, and the fixing rod 9 can slide in the through groove 20 conveniently, so that corresponding self-locking and loosening rotation adjustment operation can be completed.

As an alternative technical scheme of the utility model, one side of the through groove 20 is provided with the sliding groove 13, one end of the second spring 12 far away from the limiting plate 10 is connected with the inner wall of the sliding groove 13, the middle part of the corrosion-resistant protection ring 15 is connected with the fixed rod 9 in a sliding way, and corrosive liquid and the like can be prevented from entering the hand wheel 2 and the valve body 1 through the sealing groove 19 to cause corrosion to a certain extent through the corrosion-resistant protection ring 15, so that the service life of the diaphragm valve is prolonged.

As an alternative technical scheme of the utility model, one side of the sliding groove 13 is provided with the limiting chute 14, the inner wall of the limiting chute 14 is slidably connected with the limiting plate 10, the diameter of the limiting chute 14 is the same as that of the limiting plate 10, one side of the limiting chute 14 is provided with the sealing groove 19, the sealing groove 19 penetrates through the hand wheel 2, and the sliding is performed on the inner wall of the limiting chute 14 through the limiting plate 10, so that the pulling distance can be limited and guided, and the adjustment is more stable.

As an alternative technical scheme of the utility model, one end of the fixed rod 9 is fixedly connected with the pull plate 11, the pull plate 11 is positioned on the outer side of the hand wheel 2, one end of the fixed rod 9 away from the pull plate 11 is circular, and the fixed rod 9 can be conveniently pulled through the pull plate 11 so as to adjust the position.

As an alternative technical scheme of the utility model, the surface of the limit seat 3 is fixedly connected with the second fixing seat 6, the inner wall of the second fixing seat 6 is fixedly provided with the first spring 7, one end of the first spring 7 is fixedly provided with the sensing lug 8, one side of the sensing lug 8 is round, one side of the limit seat 3 is fixedly connected with the guide slide plate 18, one end of the guide slide plate 18 is fixedly connected with the first fixing seat 4, one side of the guide slide plate 18 presses the sensing lug 8 in the rotating process through the fixing rod 9 to compress the first spring 7, and the compression resistance of the first spring 7 is transmitted to the pull plate 11, so that a worker can clearly know the rotation adjusting position.

As an alternative technical scheme of the utility model, the circumferences of the first fixing seat 4 and the second fixing seat 6 are equidistantly distributed on the surface of the limiting seat 3, a valve rod 16 and a diaphragm 17 are arranged in the valve body 1, corrosion-resistant paint is brushed on the surfaces of the fixing rod 9 and the pull plate 11, and the valve rod 16 descends to drive the diaphragm 17 to descend, so that the diaphragm valve is closed.

A corrosion-resistant manual diaphragm valve has the following working principle: when holding the hand wheel 2 and rotating to close the diaphragm valve, pulling the pull plate 11 to enable the limit plate 10 to slide to the top end of the limit chute 14, simultaneously enabling the fixing rod 9 to slide and enabling the second spring 12 to be compressed and deformed, at the moment, enabling the fixing rod 9 to be separated from the inside of one fixing groove 5 and capable of rotating the hand wheel 2, enabling the fixing rod 9 to be in contact with the annular plate and the elastic piece I (not shown in the figure) when rotating to the bottom end to reach a set range of rotation, and then enabling the fixing rod 9 to be inserted into the inside of the corresponding fixing groove 5 when loosening the pull plate 11, so that self-locking is achieved on the position of the hand wheel 2, and further improving the stability of the manual diaphragm valve.

To sum up, this corrosion-resistant manual diaphragm valve, through the cooperation between first fixing base 4, fixed slot 5, dead lever 9, limiting plate 10, arm-tie 11 and second spring 12, thereby can make dead lever 9 insert the inside of fixed slot 5 and accomplish the auto-lock to the position of hand wheel 2, thereby further improve the stability of manual diaphragm valve, through corrosion-resistant protection ring 15 and dead lever 9 and the surperficial brush of arm-tie 11 have corrosion-resistant coating, thereby make it more corrosion-resistant improve the life of manual diaphragm valve, through the cooperation between dead lever 9, second fixing base 6, first spring 7 and the response lug 8, can make the position of first fixing base 4 more clear with the response lug 8 when rotating adjusting hand wheel 2 with the contact, thereby can carry out the auto-lock to hand wheel 2 more quick.

Claims

1. The utility model provides a corrosion-resistant manual diaphragm valve, includes valve body (1) and hand wheel (2), its characterized in that: the utility model discloses a valve body, including valve body (1), fixed connection, sealing groove (19), inner wall fixed mounting of sealing groove (19), fixed connection's top of valve body (1) spacing seat (3), fixed connection's first fixing base (4) of fixed surface of spacing seat (3), one side of first fixing base (4) is provided with fixed slot (5), the inside sliding connection of hand wheel (2) has dead lever (9), the fixed connection of surface of dead lever (9) has limiting plate (10), one side fixed mounting of limiting plate (10) has second spring (12), the surface of hand wheel (2) is provided with seal groove (19), the inner wall fixed mounting of seal groove (19) has corrosion-resistant protection ring (15).

2. A corrosion resistant manual diaphragm valve according to claim 1 wherein: the inside of hand wheel (2) is provided with logical groove (20), the inner wall sliding connection of logical groove (20) has dead lever (9), the diameter of logical groove (20) is the same with the diameter of dead lever (9), the one side of hand wheel (2) is penetrated in logical groove (20).

3. A corrosion resistant manual diaphragm valve according to claim 2 wherein: one side of the through groove (20) is provided with a sliding groove (13), one end of the second spring (12) away from the limiting plate (10) is connected with the inner wall of the sliding groove (13), and the middle part of the corrosion-resistant protection ring (15) is connected with a fixing rod (9) in a sliding mode.

4. A corrosion resistant manual diaphragm valve according to claim 3 wherein: one side of sliding groove (13) is provided with spacing spout (14), the inner wall sliding connection of spacing spout (14) has limiting plate (10), the diameter of spacing spout (14) is the same with the diameter of limiting plate (10), one side of spacing spout (14) is provided with seal groove (19), seal groove (19) pierces through hand wheel (2).

5. A corrosion resistant manual diaphragm valve according to claim 4 wherein: one end fixedly connected with arm-tie (11) of dead lever (9), arm-tie (11) are located the outside of hand wheel (2), the one end that dead lever (9) kept away from arm-tie (11) is circular.

6. A corrosion resistant manual diaphragm valve according to claim 5 wherein: the surface fixing who spacing seat (3) is connected with second fixing base (6), the inner wall fixed mounting of second fixing base (6) has first spring (7), the one end fixed mounting of first spring (7) has response lug (8), one side of response lug (8) is circular, one side fixedly connected with direction slide (18) of spacing seat (3), one end fixedly connected with first fixing base (4) of direction slide (18).

7. A corrosion resistant manual diaphragm valve according to claim 6 wherein: the first fixing seat (4) and the second fixing seat (6) are circumferentially and equidistantly distributed on the surface of the limiting seat (3), a valve rod (16) and a diaphragm (17) are arranged in the valve body (1), and corrosion-resistant paint is brushed on the surfaces of the fixing rod (9) and the pulling plate (11).