CN208634413U - A kind of no hydrops inner-cavity structure gate valve - Google Patents

A kind of no hydrops inner-cavity structure gate valve Download PDF

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Publication number
CN208634413U
CN208634413U CN201821152566.6U CN201821152566U CN208634413U CN 208634413 U CN208634413 U CN 208634413U CN 201821152566 U CN201821152566 U CN 201821152566U CN 208634413 U CN208634413 U CN 208634413U
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CN
China
Prior art keywords
valve
valve body
fixedly connected
baffle
strainer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821152566.6U
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Chinese (zh)
Inventor
刘春义
张丹
张璐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Jiantang Valve Co Ltd
Original Assignee
Tianjin Jiantang Valve Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201821152566.6U priority Critical patent/CN208634413U/en
Application granted granted Critical
Publication of CN208634413U publication Critical patent/CN208634413U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of no hydrops inner-cavity structure gate valves, including handwheel, the handwheel lower end is connected with valve deck, the valve deck is fixedly connected with valve body middle chamber by fastening bolt, the valve body middle chamber lower end is communicated with valve body, activity, which runs through, in the middle part of the valve body valve plate, the valve plate upper end is fixedly connected with the hand wheel by valve rod, inner cavity is provided with valve seat in the middle part of the valve body, the valve body is fixedly connected with strainer, the body cavity lower end is provided with dirt discharge groove, the dirt discharge groove lower end is communicated with blowdown flange, baffle is fixedly connected with by spring in the middle part of the body cavity, the baffle upper end is fixedly connected with movable block.The utility model passes through setting strainer, dirt discharge groove and blowdown flange, impurity can be intercepted before strainer, achieve the effect that close close increase gate valve safety, by setting valve seat, spring, baffle and movable block, achievees the effect that increase leakproofness between valve plate and valve body.

Description

A kind of no hydrops inner-cavity structure gate valve
Technical field
The utility model relates to a kind of gate valve technical field, specially a kind of no hydrops inner-cavity structure gate valve.
Background technique
Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and Quan Guan cannot make adjustments and throttle.Gate valve is sealed by valve seat and rams contact, and usual sealing surface can deposited metal material To increase wearability, such as built-up welding 1Cr13, STL6, stainless steel, flashboard has rigid flashboard and flexible disc, not according to flashboard Together, gate valve is divided into rigid gate valve and resilient gate valve, and traditional gate valve is often i.e. because of foreign object such as stone, wood after pipe is washed in water flowing The siltation such as block, cement, iron filings, sundries can not be closed close and form drainage in be easy to causeing in the groove of valve bottom, spring support Gate sealing valve bottom uses the flat-bottom design same with water pipe machine, does not easily cause sundries to deposit, keeps fluid unblocked, but for bullet Property gate valve for, when causing erosion and scratch between sealing surface, influence sealing effect, and repair it is relatively difficult, once it is impaired Larger, often gate valve can only be discarded, and cause to waste.For this purpose, it is proposed that a kind of no hydrops inner-cavity structure gate valve.
Utility model content
The purpose of this utility model is to provide a kind of no hydrops inner-cavity structure gate valves, to solve to mention in above-mentioned background technique Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of no hydrops inner-cavity structure gate valve, including Handwheel, the handwheel lower end are connected with valve deck, and the valve deck is fixedly connected with valve body middle chamber, the valve by fastening bolt Body lumen lower end is communicated with valve body, and through there is valve plate, the valve plate upper end is solid by valve rod and handwheel for activity in the middle part of the valve body Fixed connection, valve body middle part inner cavity are provided with valve seat, and the valve body is fixedly connected with strainer, and the body cavity lower end is provided with row Dirty slot, the dirt discharge groove lower end are communicated with blowdown flange, and the body cavity middle part is fixedly connected with baffle by spring, described Baffle upper end is fixedly connected with movable block.
Preferably, the strainer is located on the left of valve seat, and the dirt discharge groove is located on the left of strainer.
Preferably, the blowdown flange is fixedly plugged in valve body lower end.
Preferably, the spring, baffle and movable block are respectively positioned in valve seat, and the section of the valve seat is " convex " font, on Hold width small, lower end width is big, and the barrier width is greater than the notch bore of valve seat upper end, and the width of the movable block is less than valve The notch bore of seat upper end.
Preferably, the valve plate is located at right above valve seat.
Compared with prior art, the utility model has the beneficial effects that this kind passes through setting without hydrops inner-cavity structure gate valve Strainer, dirt discharge groove and blowdown flange, can by strainer by sundries blockings such as stone silts in the outside of valve seat bottom end groove, into And impurity is discharged from blowdown flange, reach device and closes close, the effect of increase gate valve safety;By setting valve seat, Spring, baffle and movable block when moving down valve plate, are inserted in the groove of seat bottom portion, when moving up, valve seat upper end with Body cavity flushes, and reduces a possibility that impurity falls into valve seat groove, has reached and has increased leakproofness between valve plate and valve body Effect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is enlarged drawing at the utility model structure A.
In figure: 1 handwheel, 2 valve decks, 3 valve body middle chambers, 4 valve plates, 41 valve rods, 5 valve bodies, 51 springs, 52 baffles, 53 movable blocks, 6 strainers, 7 blowdown flanges, 71 dirt discharge grooves, 8 valve seats, 9 fastening bolts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of no hydrops inner-cavity structure gate valve, including hand Wheel 1, the handwheel 1 are flexibly connected by valve stem nut with valve rod 41, and the moving up and down with ovable valve stem 41 of handwheel 1 is rotated, thus Moving up and down for valve plate 4 is driven, and then achievees the purpose that switch gate valve, 1 lower end of handwheel is connected with valve deck 2, described Valve deck 2 is fixedly connected with valve body middle chamber 3 by fastening bolt 9, and valve body middle chamber 3 is for storing valve plate 4, when making to open gate valve, valve Plate 4 is moved in valve body middle chamber 3, and 3 lower end of valve body middle chamber is communicated with valve body 5, and the 5 middle part activity of valve body, which runs through, valve plate 4, the valve plate 4 is used to block the flowing of water flow, and 4 upper end of valve plate is fixedly connected by valve rod 41 with handwheel 1, the valve body 5 middle parts inner cavity are provided with valve seat 8, and the valve seat 8 is fixed for valve plate 4, and when gate valve is closed, valve plate 4 is in contact with valve seat 8, valve 4 outer end of plate is plugged in the groove of valve seat 8, and the valve body 5 is fixedly connected with strainer 6, and the strainer 6 is for filtering stone silt Equal impurity, water flow flows from left to right, and when through filter screen 6, impurity is blocked by strainer 6, and water flow is passed through from valve body 5, the valve 5 inner cavity lower end of body is provided with dirt discharge groove 71, and accumulation of the dirt discharge groove 71 for impurity is discharged, and 71 lower end of dirt discharge groove is communicated with Blowdown flange 7, before the impurity under being intercepted by strainer 6 is deposited in strainer 6, due to the effect of gravity, impurity is deposited in the bottom of strainer 6 It in portion's dirt discharge groove 71, is flowed out outside valve body 5 by blowdown flange 7, gear is fixedly connected with by spring 51 in the middle part of 5 inner cavity of valve body Plate 52, the spring 51 are in compressive state always, and surface is equipped with sealing material at the 5 inner cavity central slot of valve body, works as valve When plate 4 is downwardly into 5 inner cavity central slot of valve body, increase leakproofness, the interaction of 8 groove of the baffle 52 and valve seat, energy Enough guarantee that baffle 52 under the elastic force effect of spring 51, will not remove outside valve seat 8,52 upper end of baffle is fixedly connected with movement Block 53, when valve plate 4 moves up, and valve is opened, baffle 52 is moved outward due to the effect of 51 elastic force of spring, thus band Dynamic movable block 53 is displaced outwardly, and when movable block 53 is moved to outermost end, 53 outer end of movable block is flushed with 5 inner cavity of valve body, Prevent valve plate 4 from moving up, valve is opened, and groove occurs in the middle part of valve seat 8, falls into it to make not filter complete impurity In, it causes impurity to deposit, to keep gate valve tight shut-off, causes drainage, the strainer 6 is located at 8 left side of valve seat, institute It states dirt discharge groove 71 to be located on the left of strainer 6, when present apparatus installation, moves water flow from left to right, water flow first passes through the filtering of strainer 6 Afterwards, gate valve is flowed out using valve seat 8, the blowdown flange 7 is fixedly plugged in 5 lower end of valve body, blowdown flange 7 and 5 inner cavity of valve body Connection, when device is when opening work, the switch of closing blowdown flange 7, the impurity for filtering strainer 6 is deposited in dirt discharge groove 71 In, the dirt discharge groove 71 is connected to blowdown flange 7, when gate valve, which is closed, blocks water flow, is opened the valve of blowdown flange 7, is made miscellaneous Matter is under the action of water flow, from dirt discharge groove 71, is discharged outside brake valve body by blowdown flange 7, the spring 51, baffle 52 and shifting Motion block 53 is respectively positioned in valve seat 8, and the section of the valve seat 8 is " convex " font, and upper end width is small, and lower end width is big, and lower end is used for The movement of baffle 52, upper end is used to block moving up for baffle 52, makes movable block 53 when moving up, flush with 5 inner cavity of valve body, described 52 width of baffle is greater than the notch bore of 8 upper end of valve seat, and the width of the movable block 53 is less than the notch bore of 8 upper end of valve seat, The valve plate 4 is located at right above valve seat 8.
Working principle:
Firstly, gate valve is installed, the case where according to required use, to adjust the switch of gate valve, handwheel 1 is rotated, is come The raising and lowering of valve plate 4 is adjusted, at work, rotates handwheel 1, drives valve plate 4 to move up by valve rod 41, valve plate 4 It moves up, has cancelled the pressure to movable block 53, movable block 53 makes valve seat 8 and valve since the elastic force of spring 51 moves up 5 inner cavity of body flushes, and later, water flow has from left to right flowing, flows out from valve body 5 through filter screen 6, when water flow flowing, one A little silt stones etc. are stopped by strainer 6 through filter screen 6, in the dirt discharge groove before being deposited in strainer 6, are flowed from blowdown flange 7 downwards Out, finally, when needing to separate water flow, handwheel 1 is rotated, valve plate 4 is moved down, valve plate 4 is moved down into the valve of 5 bottom of valve body When seat 8, movable block 53 is moved down due to the effect of valve plate 4, is stuck in valve plate 4 in valve seat 8.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of no hydrops inner-cavity structure gate valve, including handwheel (1), it is characterised in that: handwheel (1) lower end is connected with Valve deck (2), the valve deck (2) are fixedly connected with valve body middle chamber (3) by fastening bolt (9), and valve body middle chamber (3) lower end connects It is connected with valve body (5), through having valve plate (4), valve plate (4) upper end passes through valve rod (41) and hand for activity in the middle part of the valve body (5) Wheel (1) is fixedly connected, and inner cavity is provided with valve seat (8) in the middle part of the valve body (5), and the valve body (5) is fixedly connected with strainer (6), institute It states valve body (5) inner cavity lower end to be provided with dirt discharge groove (71), dirt discharge groove (71) lower end is communicated with blowdown flange (7), the valve body (5) it is fixedly connected with baffle (52) in the middle part of inner cavity by spring (51), baffle (52) upper end is fixedly connected with movable block (53)。
2. a kind of no hydrops inner-cavity structure gate valve according to claim 1, it is characterised in that: the strainer (6) is located at valve On the left of seat (8), the dirt discharge groove (71) is located on the left of strainer (6).
3. a kind of no hydrops inner-cavity structure gate valve according to claim 1, it is characterised in that: the blowdown flange (7) is solid Surely it is plugged on valve body (5) lower end.
4. a kind of no hydrops inner-cavity structure gate valve according to claim 1, it is characterised in that: the spring (51), baffle (52) it is respectively positioned in valve seat (8) with movable block (53), the section of the valve seat (8) is " convex " font, and upper end width is small, and lower end is wide Degree is big, and baffle (52) width is greater than the notch bore of valve seat (8) upper end, and the width of the movable block (53) is less than valve seat (8) the notch bore of upper end.
5. a kind of no hydrops inner-cavity structure gate valve according to claim 1, it is characterised in that: the valve plate (4) is located at valve Right above seat (8).
CN201821152566.6U 2018-07-20 2018-07-20 A kind of no hydrops inner-cavity structure gate valve Expired - Fee Related CN208634413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821152566.6U CN208634413U (en) 2018-07-20 2018-07-20 A kind of no hydrops inner-cavity structure gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821152566.6U CN208634413U (en) 2018-07-20 2018-07-20 A kind of no hydrops inner-cavity structure gate valve

Publications (1)

Publication Number Publication Date
CN208634413U true CN208634413U (en) 2019-03-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296269A (en) * 2019-06-10 2019-10-01 浦江县鑫隆自动化设备有限公司 A kind of strainer valve being conveniently replaceable strainer
CN111503297A (en) * 2020-04-25 2020-08-07 浙江富锐实业有限公司 High-performance hard-density bidirectional knife valve
CN113700093A (en) * 2020-08-24 2021-11-26 福建闽山消防有限公司 Anti-embolism and leakage-proof structure and method for ground fire hydrant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296269A (en) * 2019-06-10 2019-10-01 浦江县鑫隆自动化设备有限公司 A kind of strainer valve being conveniently replaceable strainer
CN110296269B (en) * 2019-06-10 2020-07-03 浦江县鑫隆自动化设备有限公司 Filter valve convenient to change filter screen
CN111503297A (en) * 2020-04-25 2020-08-07 浙江富锐实业有限公司 High-performance hard-density bidirectional knife valve
CN113700093A (en) * 2020-08-24 2021-11-26 福建闽山消防有限公司 Anti-embolism and leakage-proof structure and method for ground fire hydrant
CN113700093B (en) * 2020-08-24 2023-02-10 福建闽山消防有限公司 Anti-bolt leakage structure and method for ground upper fire hydrant

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190322

CF01 Termination of patent right due to non-payment of annual fee