CN210141329U

CN210141329U - Gate valve with detachable filter screen

Info

Publication number: CN210141329U
Application number: CN201920478604.5U
Authority: CN
Inventors: 金洪友
Original assignee: Yancheng Longwei Machinery Co Ltd
Current assignee: Yancheng Longwei Machinery Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-03-13
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a gate valve with detachable filter screen, which comprises a valve body, wherein a lower cover is fixedly arranged on the upper surface of the valve body, an upper cover is fixedly arranged on the upper surface of the lower cover through a fixing bolt a, a fixed seat is fixedly arranged on the upper surface of the upper cover through a fixing bolt b, and a bearing is clamped on the upper surface of the fixed seat and is sleeved on the outer surface of a hollow rotating shaft; utilize and strain the filter screen on the section of thick bamboo to entering into the liquid in the valve body through the inlet tube and filter the particle impurity in detaching liquid, stay impurity inside straining a section of thick bamboo, prevent that particle impurity from entering into the inside its normal use that influences of gate valve, it is spacing to strain a section of thick bamboo in inserting spacing slot to utilizing spacing picture peg, it is fixed to utilize the position ring to strengthen spacing picture peg, make strain a section of thick bamboo difficult rocking and more stable in the valve body is inside, only need when dismantling the filter screen to twist off with mounting bolt c on ring flange an and the ring flange b and just can take out a section of thick bamboo, it is convenient to dismantle.

Description

Gate valve with detachable filter screen

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to gate valve with can dismantle filter screen.

Background

The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled, the plate is provided with a rigid shutter and an elastic shutter, the gate valve is divided into the rigid gate valve and the elastic gate valve according to the difference of the shutters, the opening and closing part of the gate valve is the shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled. The gate plate is provided with two sealing surfaces, the two sealing surfaces of the most common mode gate valve form a wedge shape, and the gate plate of the wedge type gate valve can be made into a whole, namely a rigid gate plate; the gate plate can also be made into a gate plate capable of generating micro deformation so as to improve the manufacturability of the gate plate and compensate the deviation of the angle of the sealing surface in the machining process, and the gate plate is called an elastic gate plate.

The original gate valve does not have the filtering function on flowing liquid, particle impurities doped in the liquid easily enter the inside of the gate valve to influence the up-and-down movement of the valve plate, and then the gate valve is difficult to open and close or even cannot be opened and closed, so that the normal use of people is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gate valve with can dismantle filter screen 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: a gate valve with a detachable filter screen comprises a valve body, wherein a lower cover is fixedly arranged on the upper surface of the valve body, an upper cover is fixedly arranged on the upper surface of the lower cover through a fixing bolt a, a fixing seat is fixedly arranged on the upper surface of the upper cover through a fixing bolt b, a bearing is clamped on the upper surface of the fixing seat, the bearing is sleeved on the outer surface of a hollow rotating shaft, the hollow rotating shaft is fixedly arranged on the lower surface of a hand wheel, a valve rod is connected on the hand wheel through threads, the valve rod sequentially penetrates through the hollow rotating shaft, the bearing, the fixing seat, the upper cover and the lower cover from top to bottom and extends into the valve body, a valve plate is fixedly arranged at the bottom end of the valve rod, flange plates a are fixedly arranged on two action side faces of the valve body, a flange plate b is fixedly arranged on two flange plates a through a fixing bolt c, the left surface horizontal switch of valve body inside wall is equipped with spacing slot, the inside wall sliding connection of spacing slot has spacing picture peg, spacing picture peg fixed mounting is at the surface of straining a section of thick bamboo, the right flank demountable installation who strains a section of thick bamboo has the filter screen, the left surface of spacing picture peg and the right flank laminating of holding ring, the left surface of holding ring and the right flank laminating of valve body left side ring flange b.

Preferably, the number of the limiting slots and the limiting insertion plates is four, and the four limiting slots and the four limiting insertion plates are respectively arranged on the inner side wall of the valve body and the outer surface of the filter cylinder in an annular array mode.

Preferably, the outer surface of the filter cylinder is attached to the inner side wall of the valve body.

Preferably, the outer surface of the valve plate is fixedly provided with a stainless steel gasket.

Preferably, an annular rubber gasket is arranged between the flange plate a and the flange plate b.

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

(1) the filter screen on the filter cartridge is used for filtering liquid entering the valve body through the water inlet pipe, particle impurities in the liquid can be effectively filtered, and the impurities are left in the filter cartridge, so that the problem that the particle impurities enter the inside of the gate valve to influence the normal use of the gate valve can be solved;

(2) through set up the stainless steel gasket on the valve plate, and then make the gate valve utilize the stainless steel gasket to promote the shock resistance of valve plate when closing, effectively promote the life of valve plate, utilize the annular rubber gasket between ring flange a and the ring flange b to make the laminating inseparabler between ring flange a and the ring flange b simultaneously, further avoid the problem of liquid leakage, the leakproofness is better.

Drawings

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

FIG. 2 is a schematic left-side view of the filter cartridge of the present invention;

fig. 3 is an enlarged schematic structural view at a position a of the present invention;

in the figure: 1. a valve body; 2. a lower cover; 3. an upper cover; 4. a fixed seat; 5. a bearing; 6. a hand wheel; 7. a valve stem; 8. a valve plate; 9. a flange plate a; 10. a flange b; 11. a water inlet pipe; 12. a water outlet pipe; 13. limiting slots; 14. a limiting inserting plate; 15. a filter cartridge; 16. a filter screen; 17. a positioning ring; 18. an annular rubber gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a gate valve with a detachable filter screen comprises a valve body 1, wherein a lower cover 2 is fixedly arranged on the upper surface of the valve body 1, an upper cover 3 is fixedly arranged on the upper surface of the lower cover 2 through a fixing bolt a, a fixing seat 4 is fixedly arranged on the upper surface of the upper cover 3 through a fixing bolt b, a bearing 5 is clamped on the upper surface of the fixing seat 4, the bearing 5 is sleeved on the outer surface of a hollow rotating shaft, the hollow rotating shaft is fixedly arranged on the lower surface of a hand wheel 6, a valve rod 7 is connected on the hand wheel 6 in a threaded manner, the valve rod 7 sequentially penetrates through the hollow rotating shaft, the bearing 5, the fixing seat 4, the upper cover 3 and the lower cover 2 from top to bottom and extends into the valve body 1, a valve plate 8 is fixedly arranged at the bottom end of the valve rod 7, flange plates a9 are fixedly arranged on two acting side surfaces of the valve body 1, flange plates a 10 are fixedly arranged on two flange plates a 36, the left side horizontal plane of 1 inside wall of valve body is equipped with spacing slot 13, and the inside wall sliding connection of spacing slot 13 has spacing picture peg 14, and spacing picture peg 14 fixed mounting is at straining a 15 surface, and the right side demountable installation of straining a 15 has filter screen 16, and the left surface of spacing picture peg 14 and the right flank laminating of holding ring 17, the left surface of holding ring 17 and the right flank laminating of 1 left side ring flange b10 of valve body.

In this embodiment, people are when needs switching gate valve, corotation or reversal hand wheel 6 make hand wheel 6 drive hollow rotating shaft at the 5 internal rotations of bearing, because threaded connection between hand wheel 6 and the valve rod 7, and then reciprocate when driving valve rod 7 pivoted, thereby drive valve plate 8 and reciprocate, realize the switching operation of gate valve, when liquid enters into valve body 1 inside through inlet tube 11, granule impurity is detached to the filtering action of filter screen 16 on liquid filter cartridge 15 at first, make granule impurity stay filter cartridge 15 inside, liquid after the filtration is through valve body 1 inside and outlet pipe 12 discharge, when needing to clean up the granule impurity in the filter cartridge 15, people unscrew fixing bolt c and take off the left ring flange b10 of valve body 1, make holding ring 17 no longer extrude spacing picture peg 14, and then can take out filter cartridge 15 and clear up.

Furthermore, the number of the limit slots 13 and the number of the limit insertion plates 14 are four, and the four limit slots 13 and the four limit insertion plates 14 are respectively arranged on the inner side wall of the valve body 1 and the outer surface of the filter cylinder 15 in an annular array.

In this embodiment, the four limiting insertion plates 14 are respectively inserted into the four limiting insertion slots 13, so as to support the filter cartridge 15, thereby effectively avoiding the problem that the filter cartridge 15 is shaken and displaced in the liquidity of the liquid.

Further, the outer surface of the filter cartridge 15 is attached to the inner side wall of the valve body 1.

In this embodiment, the outer surface of the filter cartridge 15 is arranged to be attached to the inner side wall of the valve body 1, so that the liquid entering the valve body 1 from the water inlet pipe 11 can accurately pass through the filter screen 16 on the filter cartridge 15 to remove impurities.

Further, the outer surface of the valve plate 8 is fixedly provided with a stainless steel gasket.

In this embodiment, the outer surface of the valve plate 8 is provided with a stainless steel gasket, and the stainless steel gasket is used to enhance the impact resistance of the valve plate 8 during liquid flowing.

Further, an annular rubber gasket 18 is arranged between the flange a9 and the flange b 10.

In the embodiment, the annular rubber gasket 18 is arranged between the flange a9 and the flange b10, so that the flange a9 and the flange b10 are attached more tightly when being connected, and the problem of liquid leakage is effectively avoided.

The utility model discloses a theory of operation and use flow: people are when needs switching gate valve, corotation or reversal hand wheel 6 make hand wheel 6 drive hollow rotating shaft at the internal rotation of bearing 5, because threaded connection between hand wheel 6 and the valve rod 7, and then reciprocate when driving valve rod 7 pivoted, thereby drive valve plate 8 and reciprocate, realize the switching operation of gate valve, when liquid enters into valve body 1 inside through inlet tube 11, particle impurity is detached at first through the filtering action of straining filter screen 16 on a section of thick bamboo 15, make particle impurity stay strain a section of thick bamboo 15 inside, liquid after the filtration is through 1 inside and outlet pipe 12 discharges of valve body, when needing to clear up the particle impurity in straining a section of thick bamboo 15, people unscrew fixing bolt c and take off 1 left ring flange b10 of valve body, make holding ring 17 no longer extrude spacing picture peg 14, and then can take out a section of thick bamboo 15 and clear up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gate valve with can dismantle filter screen, includes valve body (1), its characterized in that: the upper surface of the valve body (1) is fixedly provided with a lower cover (2), the upper surface of the lower cover (2) is fixedly provided with an upper cover (3) through a fixing bolt a, the upper surface of the upper cover (3) is fixedly provided with a fixing seat (4) through a fixing bolt b, the upper surface of the fixing seat (4) is clamped with a bearing (5), the bearing (5) is sleeved on the outer surface of a hollow rotating shaft, the hollow rotating shaft is fixedly arranged on the lower surface of a hand wheel (6), the hand wheel (6) is connected with a valve rod (7) through threads, the valve rod (7) sequentially penetrates through the hollow rotating shaft, the bearing (5), the fixing seat (4), the upper cover (3) and the lower cover (2) from top to bottom and extends into the valve body (1), the bottom of the valve rod (7) is fixedly provided with a valve plate (8), and two side surfaces of the valve body (1) are fixedly, and two ring flanges a (9) have ring flange b (10) through fixing bolt c fixed mounting respectively, and the side that two ring flange b (10) kept away from each other is provided with inlet tube (11) and outlet pipe (12) respectively, the left surface horizontal open of valve body (1) inside wall is equipped with spacing slot (13), the inside wall sliding connection of spacing slot (13) has spacing picture peg (14), spacing picture peg (14) fixed mounting is at the surface of straining a section of thick bamboo (15), the right flank demountable installation who strains a section of thick bamboo (15) has filter screen (16), the left surface of spacing picture peg (14) is laminated with the right flank of holding ring (17), the left surface of holding ring (17) is laminated with the right flank of valve body (1) left side ring flange b (10).

2. The gate valve with the detachable filter screen of claim 1, wherein: the number of the limiting slots (13) and the limiting insertion plates (14) is four, and the four limiting slots (13) and the four limiting insertion plates (14) are respectively arranged on the inner side wall of the valve body (1) and the outer surface of the filter cylinder (15) in an annular array mode.

3. The gate valve with the detachable filter screen of claim 1, wherein: the outer surface of the filter cylinder (15) is attached to the inner side wall of the valve body (1).

4. The gate valve with the detachable filter screen of claim 1, wherein: and a stainless steel gasket is fixedly arranged on the outer surface of the valve plate (8).

5. The gate valve with the detachable filter screen of claim 1, wherein: and an annular rubber gasket (18) is arranged between the flange plate a (9) and the flange plate b (10).