CN217081503U

CN217081503U - Novel multifunctional gate valve

Info

Publication number: CN217081503U
Application number: CN202220472804.1U
Authority: CN
Inventors: 王建和
Original assignee: Xingwei Valve Group Co ltd
Current assignee: Xingwei Valve Group Co ltd
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-07-29
Anticipated expiration: 2032-03-05

Abstract

The utility model discloses a novel multifunctional gate valve, which comprises a valve body, the runner has been seted up in the valve body, the valve pocket has been seted up in the valve body, be equipped with the spheroid in the valve pocket, be equipped with the disk seat in the valve body, install on the valve body and wear to establish the inside valve rod of just being connected with the spheroid of valve body, valve body one side is equipped with the filter body, filter body internal seted up with the communicating filter chamber of runner, be formed with intercommunication filter chamber and external operation mouth on the filter body, be equipped with on the operation mouth and open and close the subassembly, be equipped with the mounting bracket in the filter chamber, install a plurality of filter screens on the mounting bracket, it constitutes one not with the airtight subassembly of the communicating seal zone of runner in the filter chamber to be equipped with the cooperation mount frame in the filter chamber, the mounting bracket activity sets up and is used for supplying single filter screen to get into the seal zone, the seal zone communicates with each other with the operation mouth, the filter body is equipped with the control that is used for controlling the mounting bracket outward. The utility model has the advantages of it is following and effect: the utility model discloses need not to close the valve or unpack the valve apart and can change the filter screen.

Description

Novel multifunctional gate valve

Technical Field

The utility model relates to a valve technical field, in particular to novel multifunctional gate valve.

Background

As is well known, a valve is one of indispensable industrial pipeline accessories and equipment in national economy, various pipelines are needed to convey various media in factories and mines, pipelines of various water, air, oil products, natural gas, chemical raw materials and other corrosive media in steel plants, oil refineries, power plants, chemical plants, oil fields and oil gas, newly developed nuclear power and the like are not opened, a gate valve is opened and closed by lifting a closing part, the gate valve can only be fully opened and fully closed, and in some working conditions, fluid media in the pipelines need to be filtered, so that a plurality of valves are provided with devices with filtering functions on the pipelines.

The filtering effect of the filtering body in the existing valve can be reduced even the filtering body is blocked after long-time work, at this time, the filtering body needs to be replaced, and the existing valve can be replaced only after the valve is closed or after the valve is disassembled in the process of replacing the filtering body, but in some special working conditions, the valve is closed, so that great economic loss can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a need not to close the valve or unpack apart the valve and can change the novel multi-functional gate valve of filter screen.

The above technical purpose of the present invention can be achieved by the following technical solutions: a novel multifunctional gate valve comprises a valve body, wherein a runner is arranged in the valve body, a valve cavity communicated with the runner is arranged in the valve body, a ball body is arranged in the valve cavity, a valve seat matched with the ball body is arranged in the valve body, a valve rod which is arranged in the valve body in a penetrating way and is connected with the ball body is arranged on the valve body, one side of the valve body is provided with a filter body, a filter cavity communicated with the flow passage is arranged in the filter body, the filter cavity is internally provided with a mounting rack, the mounting rack is provided with a plurality of filter screens, the filter cavity is internally provided with a sealing component which is matched with the mounting rack and forms a sealing area which is not communicated with the flow passage in the filter cavity, the mounting bracket activity sets up and is used for supplying single filter screen to get into the sealing area in the filter chamber, be formed with the operation mouth that communicates sealing area and external on the filter body, be equipped with on the operation mouth and open and close the subassembly, the filter body is equipped with the control that is used for controlling the mounting bracket outward.

Through adopting above-mentioned technical scheme, through the sealing area that sets up, when the filter screen in the filter body is changed to needs, only need to move the filter screen that will change through control mounting bracket and to change after opening the subassembly of opening and close on the operation mouth takes out the filter screen in the sealing area, this design need not to close the valve when changing the filter screen, has ensured the circulation of valve, avoids the valve to close the valve and cause economic loss under special operating mode.

Further setting the following steps: the airtight subassembly is including fixed setting up in the baffle that the mounting bracket is used for separating adjacent filter screen and a plurality of sealed piece that sets up in the filter chamber, a plurality of sealed pieces and baffle cooperation constitute the seal area, the locking bolt that opens and close the subassembly for installing the sealed lid on the operation mouth and be used for locking sealed lid, the quantity of filter screen is two.

Through adopting above-mentioned technical scheme, through the cooperation between baffle and the sealed piece, can prevent when changing the filter screen that the medium in the runner from getting into the sealing area, ensure the sealing performance of sealing area, and through setting up the filter screen into two, when one of them filter screen is changed, another filter screen still can filter the medium in the runner, ensures the filter effect of filtering the body.

Further setting the following steps: each sealing block is arranged in the filter cavity in a sliding mode, a sealing area is formed when the sealing blocks are separated from the partition plates and communicated with the flow channel, and a control assembly used for controlling the sealing blocks to move is arranged corresponding to each sealing block.

Through adopting above-mentioned technical scheme, through sliding the setting in the filter chamber with sealed piece, can slide sealed piece and separate out the baffle when need not changing the filter screen, make the medium can circulate the seal area to increase the flow in the runner.

Further setting the following steps: every group the control assembly all including install in the filter body and wear to establish into the filter chamber and with the sealed screw rod of being connected of rotating of filter body, every sealed piece all with every screw rod one-to-one and threaded connection between the two, every the screw rod is located the outer one end of filter body and all is connected with the hand wheel.

Through adopting above-mentioned technical scheme, through the screw-thread fit between screw rod and the sealed piece to because sealed piece slides and sets up in the filter chamber, and the screw rod passes through stop component restriction screw rod and slides, only need can control the reciprocal slip of sealed piece through rotating the screw rod.

Further setting the following steps: including setting up in screw rod and thereupon pivoted spacing ring and being formed at the internal and supply spacing ring pivoted spacing groove that just supplies of filter, the one end of spacing groove forms a intercommunication external world and supplies the opening that the spacing ring passes through, it is equipped with the spacing lid that is used for sealed open-ended still to rotate the cover on the screw rod, spacing lid restriction spacing ring is along screw rod axial motion.

Through adopting above-mentioned technical scheme, through the cooperation between spacing groove and the spacing lid, can restrict the screw rod and slide with spacing lid being fixed in the spacing inslot after the spacing ring gets into the spacing inslot outside.

Further setting the following steps: the mounting bracket is of a cylindrical structure, and the diameter of the outer peripheral surface of the partition plate is smaller than that of the outer peripheral surface of the mounting bracket.

Through adopting above-mentioned technical scheme, through setting up the outer peripheral face diameter with the baffle into the diameter that is less than the mounting bracket outer peripheral face, at the in-process of mounting bracket motion, when the outer peripheral face of baffle was towards the filter chamber inner wall, can ensure the medium circulation, avoid the baffle to seal the runner completely.

Further setting the following steps: each sealing block is provided with a pressure relief hole penetrating through the sealing block along the movement direction of the sealing block.

By adopting the technical scheme, the medium can pass through the pressure relief hole while the sealing block moves through the pressure relief hole, so that the situation that the resistance of the sealing block is increased due to the air pressure or the medium pressure between the sealing block and the filter cavity when the sealing block moves is avoided.

To sum up, the utility model discloses following beneficial effect has: the filter screen can be replaced without closing or disassembling the valve.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural diagram of a filter body according to an embodiment;

FIG. 3 is a schematic view of the internal structure of the filter body according to the embodiment;

FIG. 4 is an exploded view of the filter of the embodiment;

FIG. 5 is a schematic top view of the filter according to the embodiment;

FIG. 6 is a schematic view of a sealing region of a filter body according to an embodiment.

In the figure: 1. a valve body; 2. a flow channel; 3. a valve cavity; 4. a sphere; 5. a valve seat; 6. a valve stem; 7. a filter body; 8. a filter chamber; 9. an operation port; 10. a mounting frame; 11. a filter screen; 12. a sealing zone; 13. a control member; 14. a partition plate; 15. a sealing block; 16. a sealing cover; 17. a screw; 18. a hand wheel; 19. a limiting ring; 20. a limiting groove; 21. a limiting cover; 22. a pressure relief vent.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, a novel multifunctional gate valve comprises a valve body 1, a flow passage 2 is arranged in the valve body 1, a valve cavity 3 communicated with the flow passage 2 is arranged in the valve body 1, a ball 4 is arranged in the valve cavity 3, a valve seat 5 matched with the ball 4 is arranged in the valve body 1, a valve rod 6 penetrating into the valve body 1 and connected with the ball 4 is arranged on the valve body 1, a filter body 7 is arranged on one side of the valve body 1, a filter cavity 8 communicated with the flow passage 2 is arranged in the filter body 7, a mounting frame 10 is arranged in the filter cavity 8, a plurality of filter screens 11 are arranged on the mounting frame 10, a sealing component matched with the mounting frame 10 and forming a sealing area 12 which is not communicated with the flow passage 2 in the filter cavity 8 is arranged in a rotating mode, the mounting frame 10 is rotatably arranged in the filter cavity 8 and is used for allowing a single filter screen 11 to enter the sealing area 12, and an operation port 9 communicated with the sealing area 12 and the outside is formed on the filter body 7, an opening and closing assembly is arranged on the operation opening 9, and a control piece 13 for controlling the mounting frame 10 is arranged outside the filter body 7.

The sealing assembly comprises a partition plate 14 fixedly arranged on the mounting frame 10 and used for separating adjacent filter screens 11 and a plurality of sealing blocks 15 arranged in the filter cavity 8, the sealing areas 12 are formed by matching the sealing blocks 15 and the partition plate 14, the opening and closing assembly comprises a sealing cover 16 arranged on the operation opening 9 and a locking bolt used for locking the sealing cover 16, the number of the filter screens 11 is two, each sealing block 15 is arranged in the filter cavity 8 in a sliding mode, when the sealing blocks 15 are separated from the partition plate 14, the sealing areas 12 are communicated with the flow channel 2, the control assembly used for controlling the movement of the sealing blocks 15 is arranged corresponding to each sealing block 15, each control assembly comprises a screw 17 which is arranged in the filter body 7 and penetrates through the filter cavity 8 and is rotationally connected with the filter body 7 in a sealing mode, each sealing block 15 corresponds to each screw 17 one by one and is in threaded connection with the screw, and one end, located outside the filter body 7, of each screw 17 is connected with a hand wheel 18.

Including setting up in screw rod 17 and thereupon pivoted spacing ring 19 and forming in filtering body 7 and supply spacing ring 19 pivoted spacing groove 20, the one end of spacing groove 20 forms a intercommunication external world and supplies the opening that spacing ring 19 passes through, still rotates the cover on the screw rod 17 and is equipped with the spacing lid 21 that is used for sealed open-ended, and spacing lid 21 restriction spacing ring 19 is along screw rod 17 axial motion.

The mounting bracket 10 is a cylindrical structure, the diameter of the outer peripheral surface of the partition plate 14 is smaller than that of the outer peripheral surface of the mounting bracket 10, and each sealing block 15 is provided with a pressure relief hole 22 penetrating through the sealing block 15 along the movement direction of the sealing block 15.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a novel multifunctional gate valve, includes valve body (1), runner (2) have been seted up in valve body (1), valve pocket (3) of intercommunication runner (2) have been seted up in valve body (1), be equipped with spheroid (4) in valve pocket (3), be equipped with in valve body (1) with spheroid (4) complex disk seat (5), install valve rod (6) of wearing to establish into valve body (1) inside and being connected with spheroid (4) on valve body (1), its characterized in that: valve body (1) one side is equipped with filter body (7), set up in filter body (7) with communicating filter chamber (8) of runner (2), be equipped with mounting bracket (10) in filter chamber (8), install a plurality of filter screen (11) on mounting bracket (10), be equipped with in filter chamber (8) and cooperate mounting bracket (10) to constitute one in filter chamber (8) not with the airtight subassembly of the communicating seal area (12) of runner (2), mounting bracket (10) activity sets up and is used for supplying single filter screen (11) to get into seal area (12) in filter chamber (8), be formed with intercommunication seal area (12) and external operation mouth (9) on filter body (7), be equipped with on operation mouth (9) and open and close the subassembly, filter body (7) are equipped with control (13) that are used for controlling mounting bracket (10) outward.

2. The new utility gate valve of claim 1, wherein: the airtight subassembly is including fixed baffle (14) and the plurality of sealed piece (15) that set up in filter chamber (8) that set up in mounting bracket (10) and be used for separating adjacent filter screen (11), and a plurality of sealed pieces (15) and baffle (14) cooperation constitute sealed district (12), open and close the subassembly for installing sealed lid (16) on operation mouth (9) and be used for locking the locking bolt of sealed lid (16), the quantity of filter screen (11) is two.

3. The new utility gate valve of claim 2, wherein: each sealing block (15) is arranged in the filter cavity (8) in a sliding mode, a sealing area (12) is communicated with the flow channel (2) when the sealing blocks (15) are separated from the partition plates (14), and a control assembly used for controlling the sealing blocks (15) to move is arranged corresponding to each sealing block (15).

4. The new utility gate valve of claim 3, wherein: every group the control assembly all including install in filtering body (7) and wear to establish in filter chamber (8) and with filtering body (7) sealed rotation be connected screw rod (17), every sealed piece (15) all with every screw rod (17) one-to-one and threaded connection between the two, every screw rod (17) are located the outer one end of filtering body (7) and all are connected with hand wheel (18).

5. The new utility gate valve of claim 4, wherein: including setting up in screw rod (17) and pivoted spacing ring (19) thereupon and being formed at filter body (7) in and supply spacing ring (19) pivoted spacing groove (20), the one end of spacing groove (20) forms an opening that a intercommunication is external and supply spacing ring (19) to pass through, still rotate on screw rod (17) and overlap and be equipped with spacing lid (21) that are used for sealed open-ended, screw rod (17) axial motion is followed to spacing lid (21) restriction spacing ring (19).

6. The new utility gate valve of claim 2, wherein: the mounting rack (10) is of a cylindrical structure, and the diameter of the outer peripheral surface of the partition plate (14) is smaller than that of the outer peripheral surface of the mounting rack (10).

7. The new utility gate valve of claim 2, wherein: each sealing block (15) is provided with a pressure relief hole (22) which penetrates through the sealing block (15) along the movement direction of the sealing block (15).