CN209245265U

CN209245265U - A kind of low abrasion manipulation device anti-back shut-off valve

Info

Publication number: CN209245265U
Application number: CN201822121886.1U
Authority: CN
Inventors: 田洪卫; 欧丹
Original assignee: SUZHOU KEDI FLUID CONTROL EQUIPMENT CO Ltd
Current assignee: SUZHOU KEDI FLUID CONTROL EQUIPMENT CO Ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2019-08-13
Anticipated expiration: 2028-12-18

Abstract

The utility model discloses a kind of low abrasion manipulation device anti-back shut-off valves, including valve body, water inlet, water outlet, movable chamber, square hole, link block, electric pushrod, fixed block, the first nut, the first screw rod, square bar, pressure ring, rubber seal backing plate, cut-off plug, rubber seal, quarter butt, handwheel, inserted link, gib block, control switch, battery case, battery, box cover, stiffener plate, briquetting, the second screw rod, the second nut and guide groove.The utility model is structurally reasonable, when being ended, water inlet can be closed by cut-off plug and rubber seal, when opening stream, rubber seal backing plate can other side's type hole bottom end carry out compression closing, when rubber seal, cut-off plug and mobile rubber seal backing plate, not with valve body direct friction, so as to effectively reduce abrasion, the service life of rubber seal, cut-off plug and rubber seal backing plate is improved.

Description

A kind of low abrasion manipulation device anti-back shut-off valve

Technical field

The utility model relates to a kind of shut-off valve, specifically a kind of low abrasion manipulation device anti-back shut-off valve belongs to cut-off Valve applied technical field.

Background technique

Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting Or the functions such as overflow pressure relief；Valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal With the flowing of the various types fluid such as radiating medium.

Shut-off valve moved in use, generally rotating handwheel by screw thread at present, realizes opening and closing, when mobile, Friction can be generated between sealing element and valve body, be likely to result in abrasion, reduced service life；And after being shut off, water flow Hydraulic pressure may be larger, general shut-off valve may lack the structure of limit, may wash place of shutting off open, the cut-off plug at the place that makes to shut off It retreats.Therefore, a kind of low abrasion manipulation device anti-back shut-off valve is proposed regarding to the issue above.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of low abrasion manipulation device anti-back section Only valve.

The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of low abrasion manipulation device anti-back cut-off Valve, including valve body, inserted link, the first nut and the link block for being fixed in valve body side, the two sides of the bottom of the valve body are opened respectively There are inlet and outlet, the inside of the valve body is provided with movable chamber, and square hole, the movable chamber are provided at the top of the valve body Bottom end be connected to the side of the side of water inlet and water outlet, the top of the movable chamber is connected to the bottom end in square hole, institute The inside for stating link block, which is fitted into, is equipped with electric pushrod, and the output shaft end of the electric pushrod is connected with fixed block, described solid The side for determining block and the first nut is affixed, and the inner ring of first nut is threaded with the first screw rod, first screw rod Bottom end is rotatably connected to square bar, and the square bar runs through square hole, and square bar surface fixing sleeve is connected to pressure ring, the pressure ring Top be fixedly installed with rubber seal backing plate, the bottom end of the square bar is connected with cut-off plug, and the cut-off plug, which is located at, intakes The end of mouth, and the end of water inlet is equipped with rubber seal；

The top of first screw rod is connected with quarter butt, and the top of the quarter butt is fixedly installed with handwheel, the valve body Top is fixedly mounted there are two gib block, is provided with guide groove on the length direction of the gib block, and the inserted link is through being provided with The through-hole on short tube surface, described inserted link one end are connected with briquetting, one of them side of the gib block far from the first nut with Briquetting contact, the inserted link are connected with the second screw rod far from briquetting one end, and the surface of second screw rod is threaded with second Nut.

Preferably, the number of the electric pushrod is two, and is arranged in parallel between two electric pushrods.

Preferably, the side wall of the valve body is fixedly installed with battery case, and the inside of the battery case is chimeric to be equipped with battery, The top engaging of the battery case is connected with box cover, and the battery and electric pushrod are electrically connected.

Preferably, the pressure ring and rubber seal backing plate are circular ring type structure, and pressure ring and rubber seal backing plate with Gap is formed between movable chamber.

Preferably, the side wall of the valve body is fixedly installed with control switch, and the control switch electrically connects with electric pushrod It connects.

Preferably, the top of the valve body is vertically arranged with gib block, and is fixedly installed with and is added between valve body and gib block Strengthening tendons plate.

Preferably, the bottom at the top Yu square hole of the rubber seal backing plate is in close contact, and square hole and square bar Clearance fit connection.

Preferably, the briquetting is cube structure, and the side length of briquetting is greater than the width of guide groove.

Preferably, the width of the square bar is identical as the diameter of the first screw rod, and the length of the first screw rod is greater than first The thickness of nut.

Preferably, first nut is located at the top of valve body, and is arranged in parallel at the top of the first nut bottom and valve body.

The beneficial effects of the utility model are:

1, this kind of shut-off valve can close water inlet by cut-off plug and rubber seal when being ended, When opening stream, rubber seal backing plate can other side's type hole bottom end carry out compression closing, rubber seal, cut-off plug and rubber seal backing plate When mobile, it is close rubber seal, cut-off plug and rubber are not improved so as to effectively reduce abrasion with valve body direct friction The service life of packing plate；

2, this kind of shut-off valve can be such that the first nut is moved by the setting of electric pushrod, and square bar can be made to be moved Dynamic, so that cut-off plug and rubber seal backing plate be made to be moved, more quick other side's type hole and water inlet end are blocked, Time and number in use, rotation handwheel are reduced, the time for shutting off and opening stream is reduced；

3, this kind of shut-off valve passes through the mating reaction of gib block, inserted link, briquetting, the second screw rod and the second nut, can carry out Anti-back after shutting off avoids water flow hydraulic pressure excessive, moves cut-off plug, has ensured effect of shutting off.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model control switch and battery pack structure schematic diagram；

Fig. 3 is the utility model inserted link and gib block structural schematic diagram；

Fig. 4 is the utility model body top structural schematic diagram；

Fig. 5 is the utility model battery inside structural schematic diagram；

Fig. 6 is the utility model gib block structural schematic diagram.

In figure: 1, valve body, 2, water inlet, 3, water outlet, 4, movable chamber, 5, square hole, 6, link block, 7, electric pushrod, 8, fixed block, the 9, first nut, the 10, first screw rod, 11, square bar, 12, pressure ring, 13, rubber seal backing plate, 14, cut-off plug, 15, rubber seal, 16, quarter butt, 17, handwheel, 18, inserted link, 19, gib block, 20, control switch, 21, battery case, 22, electricity Pond, 23, box cover, 24, stiffener plate, 25, briquetting, the 26, second screw rod, the 27, second nut, 28, guide groove.

Specific embodiment

It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described, Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel Embodiment is fallen within the protection scope of the utility model.

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be understood that term " on ", "lower", "top", "bottom", "inner", "outside" etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure It makes and operates, therefore should not be understood as limiting the present invention.

It please refers to shown in Fig. 1-6, a kind of low abrasion manipulation device anti-back shut-off valve, including valve body 1, inserted link 18, the first spiral shell Mother 9 and the link block 6 for being fixed in 1 side of valve body, the two sides of the bottom of the valve body 1 have water inlet 2 and water outlet 3, The inside of the valve body 1 is provided with movable chamber 4, and the top of the valve body 1 is provided with square hole 5, the bottom end of the movable chamber 4 and water inlet The side of mouth 2 is connected to the side of water outlet 3, and the top of the movable chamber 4 is connected to the bottom end in square hole 5, the link block 6 Inside it is chimeric electric pushrod 7 is installed, the output shaft end of the electric pushrod 7 is connected with fixed block 8, electric pushrod 7 into Row is flexible, can carry out the driving of the first nut 9, and the first nut 9 is driven to be moved, and the one of the fixed block 8 and the first nut 9 Side is affixed, and the inner ring of first nut 9 is threaded with the first screw rod 10, and the bottom end of first screw rod 10 is rotatably connected to Square bar 11, the square bar 11 runs through square hole 5, and 11 surface fixing sleeve of square bar is connected to pressure ring 12, the pressure ring 12 Top is fixedly installed with rubber seal backing plate 13, and the bottom end of the square bar 11 is connected with cut-off plug 14, and the cut-off fills in 14 Rubber seal 15 is installed in the end of the end of water inlet 2, and water inlet 2, cut-off plug 14 can press water inlet 2 Tightly, compound rubber sealing ring 15 is shut off and is ended；

The top of first screw rod 10 is connected with quarter butt 16, and the top of the quarter butt 16 is fixedly installed with handwheel 17, institute The top for stating valve body 1 is fixedly mounted there are two gib block 19, is provided with guide groove 28 on the length direction of the gib block 19, described Inserted link 18 runs through the through-hole for being provided with short tube surface, and described 18 one end of inserted link is connected with briquetting 25, one of them described gib block 19 sides far from the first nut 9 are contacted with briquetting 25, and the inserted link 18 is connected with the second screw rod 26, institute far from 25 one end of briquetting The surface for stating the second screw rod 26 is threaded with the second nut 27, and after unscrewing the second screw rod 26, quarter butt 16 is carried out about valve body 1 When mobile, inserted link 18 can be moved with guide groove 28.

The number of the electric pushrod 7 is two, and is arranged in parallel between two electric pushrods 7, and electric pushrod 7 can drive First nut 9 is moved；The side wall of the valve body 1 is fixedly installed with battery case 21, the chimeric peace in the inside of the battery case 21 Equipped with battery 22, the top engaging of the battery case 21 is connected with box cover 23, and the battery 22 is electrically connected with electric pushrod 7, Battery 22 can power for electric pushrod 7；The pressure ring 12 and rubber seal backing plate 13 are circular ring type structure, and pressure ring 12 and rubber Glue sealed bolster plate 13 forms gap between movable chamber 4, does not rub directly between pressure ring 12 and rubber seal backing plate 13 and valve body 1 It wipes, wears smaller；The side wall of the valve body 1 is fixedly installed with control switch 20, and the control switch 20 and electric pushrod 7 are electrical Connection, control switch 20 can control electric pushrod 7；The top of the valve body 1 is vertically arranged with gib block 19, and valve body Stiffener plate 24 is fixedly installed between 1 and gib block 19, stiffener plate 24 provides reinforcement to the installation of gib block 19；It is described The top of rubber seal backing plate 13 and the bottom in square hole 5 are in close contact, and square hole 5 is connect with 11 clearance fit of square bar, When opening stream, 13 other side's type hole 5 of rubber seal backing plate is compressed, and realizes closing；The briquetting 25 is cube structure, and is pressed The side length of block 25 is greater than the width of guide groove 28, and briquetting 25 is avoided to pass through from guide groove 28；The width of the square bar 11 with The diameter of first screw rod 10 is identical, and the length of the first screw rod 10 is greater than the thickness of the first nut 9, the first screw rod 10 and the first spiral shell When mother 9 is relatively rotated, the first screw rod 10 can carry out the movement of 1 length direction of valve body；First nut 9 is located at valve body 1 Top, and 9 bottom of the first nut and the top of valve body 1 are arranged in parallel, and the first nut 9 can be moved by electric pushrod 7.

When the utility model is used, water inlet 2 is connected to external water inlet pipe, water outlet 3 and external outlet pipe connect Logical, water flow is entered by water inlet 2, flows to movable chamber 4, is then flowed out from water outlet 3, and when opening stream, electric pushrod 7, which is in, to be stretched Long status, rubber seal backing plate 13 are contacted with 5 bottom end of square hole, while having rotated the first threaded rod by handwheel 17, make first Threaded rod is mobile to 9 top-direction of the first nut, to pull square bar 11, makes 13 pressing square type hole of rubber seal backing plate, 5 bottom End provides pressure, then tightens the second nut 27, the second nut 27 and briquetting 25 is made to compress two guiding respectively when to close Item 19 carries out the limit of inserted link 18, and inserted link 18 is that quarter butt 16 provides limit, to carry out the limit of rubber seal backing plate 13；

When being shut off, unscrew the second nut 27, the second nut 27 and briquetting 25 unclamp gib block 19, open by control Closing 20 shrinks electric pushrod 7, covers 14 pairs of 2 ends of water inlet of cut-off plug, then rotates handwheel 17, make first Screw rod 10 is rotated, and the first screw rod 10 pushes 11 downlink of square bar, so that cut-off plug 14 is compressed rubber seal 15, is cut Stream, then tightens the second nut 27, compresses the second nut 27 and briquetting 25 to gib block 19, can limit inserted link 18 Position, inserted link 18 limit quarter butt 16, avoid the first screw rod 10 from moving with the first nut 9, play the role of anti-back.

When carrying out out stream and cut-off, the quick movement of square bar 11 is carried out by electric pushrod 7, in the process rubber Sealed bolster plate 13 and cut-off plug 14 stop providing sealing, and a small amount of water can be flowed out from square hole 5, be operated to entire cut-off, shadow Sound is smaller.

The TGF model electric pushrod and its correlation that electric pushrod 7 is produced using Chancheng District of Foshan City Ju Jin machinery plant Mating power supply and circuit.

The USB type electric pushrod manual control that control switch 20 is produced using Dongguan City Ke Ken Electromechanical Technology Co., Ltd Device and its relevant mating power supply and circuit.

18650 size batteries that battery 22 is produced using Shen electricity Science and Technology Ltd., Shenzhen and its relevant mating Power supply and circuit.

It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely, Without superfluous words, the content of the utility model protection is not related to the improvement for software and method yet.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by fall in claim containing with important document All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims

1. a kind of low abrasion manipulation device anti-back shut-off valve, it is characterised in that: including valve body (1), inserted link (18), the first nut (9) and be fixed in the link block (6) of valve body (1) side, the two sides of the bottom of the valve body (1) have water inlet (2) and The inside of water outlet (3), the valve body (1) is provided with movable chamber (4), is provided with square hole (5) at the top of the valve body (1), described The bottom end of movable chamber (4) is connected to the side of the side of water inlet (2) and water outlet (3), the top and side of the movable chamber (4) The bottom end of type hole (5) is connected to, and the inside of the link block (6) is chimeric to be equipped with electric pushrod (7), the electric pushrod (7) Output shaft end is connected with fixed block (8), and the fixed block (8) and the side of the first nut (9) are affixed, first nut (9) inner ring is threaded with the first screw rod (10), and the bottom end of first screw rod (10) is rotatably connected to square bar (11), institute Square bar (11) are stated through square hole (5), and square bar (11) surface fixing sleeve is connected to pressure ring (12), the top of the pressure ring (12) Portion is fixedly installed with rubber seal backing plate (13), and the bottom end of the square bar (11) is connected with cut-off plug (14), the cut-off plug (14) it is located at the end of water inlet (2), and the end of water inlet (2) is equipped with rubber seal (15)；

The top of first screw rod (10) is connected with quarter butt (16), and the top of the quarter butt (16) is fixedly installed with handwheel (17), it there are two the top fixed installations of the valve body (1) gib block (19), is provided on the length direction of the gib block (19) Guide groove (28), the inserted link (18) run through the through-hole for being provided with short tube surface, and described inserted link (18) one end is connected with briquetting (25), one of them described gib block (19) contacts far from the side of the first nut (9) with briquetting (25), and the inserted link (18) is remote Tripping block (25) one end is connected with the second screw rod (26), and the surface of second screw rod (26) is threaded with the second nut (27)。

2. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the electric pushrod (7) number is two, and is arranged in parallel between two electric pushrods (7).

3. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the valve body (1) Side wall be fixedly installed with battery case (21), the inside of the battery case (21) is chimeric to be equipped with battery (22), the battery case (21) top engaging is connected with box cover (23), and the battery (22) and electric pushrod (7) are electrically connected.

4. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the pressure ring (12) Be circular ring type structure with rubber seal backing plate (13), and pressure ring (12) and rubber seal backing plate (13) with movable chamber (4) it Between form gap.

5. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the valve body (1) Side wall be fixedly installed with control switch (20), the control switch (20) and electric pushrod (7) are electrically connected.

6. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the valve body (1) Top be vertically arranged with gib block (19), and stiffener plate (24) are fixedly installed between valve body (1) and gib block (19).

7. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the rubber seal The top of backing plate (13) and the bottom of square hole (5) are in close contact, and square hole (5) are connect with square bar (11) clearance fit.

8. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the briquetting (25) For cube structure, and the side length of briquetting (25) is greater than the width of guide groove (28).

9. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: the square bar (11) width is identical as the diameter of the first screw rod (10), and the length of the first screw rod (10) is greater than the thickness of the first nut (9).

10. a kind of low abrasion manipulation device anti-back shut-off valve according to claim 1, it is characterised in that: first spiral shell Female (9) are located at the top of valve body (1), and are arranged in parallel at the top of the first nut (9) bottom and valve body (1).