CN219082266U - High-sealing stop valve - Google Patents

Abstract

The application relates to a high seal stop valve relates to valve technical field, it includes the valve body, can dismantle the valve gap of being connected with the valve body, wear to locate the valve rod in the valve gap, the valve body includes inlet channel and outlet conduit, the one end that the valve rod was arranged in the valve gap is connected with the valve clack, be equipped with in the valve body with valve clack matched with disk seat, the one end screw-thread fit that the valve clack was kept away from to the valve rod has the hand wheel, be equipped with in the inlet channel with valve clack linkage seal assembly, seal assembly is including setting up the fixed part in the inlet channel, with inlet channel inner wall sliding connection's sliding part, be connected with the valve clack one end of keeping away from the hand wheel be used for promoting the sliding part towards the pushing part that is close to fixed part one side and remove, set up the reset piece that is used for the sliding part to reset between fixed part and sliding part. The double sealing of stop valve can be realized to this application for the sealed effect of stop valve is better.

Description

High-sealing stop valve

Technical Field

The application relates to the technical field of valves, in particular to a high-sealing stop valve.

Background

The stop valve, also called as a stop valve, belongs to a forced sealing valve, is widely applied to the industries of chemical industry, pharmacy, electric power, metallurgy and the like, and is mainly used for controlling the flow direction of gas or liquid.

The stop valve includes valve body, valve gap and valve rod, and the valve body is connected with the valve gap can be dismantled, and the valve rod wears to locate the valve gap, is equipped with the disk seat in the valve body, and the one end that the valve rod is close to the disk seat is equipped with the valve clack, and one side screw-thread fit that the valve rod kept away from the valve clack has the hand wheel, and user accessible rotates the hand wheel for with the valve clack towards one side that is close to the disk seat removal, make valve clack and disk seat laminating, prevent medium circulation, simultaneously the user still accessible reverse rotation hand wheel for the valve clack is moved towards one side that keeps away from the disk seat, makes medium circulation.

However, when the valve clack is attached to the valve seat, a certain gap still exists between the valve clack and the valve seat, and part of medium flows out through the gap between the valve clack and the valve seat, so that the sealing effect of the stop valve is affected, and the sealing effect of the stop valve needs to be improved.

Disclosure of Invention

In order to solve when valve clack and disk seat subsides, still there is certain clearance between valve clack and the disk seat, and partial medium can flow out through the clearance between valve clack and the disk seat, and influences the problem of the sealed effect of stop valve, the purpose of this application is to provide a high seal stop valve.

The application provides a high seal stop valve adopts following technical scheme: the utility model provides a high seal stop valve, includes the valve body, with the valve gap of valve body detachable connection, wears to locate the valve rod in the valve gap, with the valve rod arrange the valve clack of one end connection in the valve gap in, set up the disk seat that is used for spacing valve clack to remove in the valve body, the valve body includes inlet channel and outlet pipe way, the one end screw-thread fit that the valve clack was kept away from to the valve rod has the hand wheel, is equipped with seal assembly in the inlet channel, seal assembly is including setting up fixed part in the inlet channel, with the inner wall slip complex sliding part of inlet channel, set up the valve clack and keep away from the sliding part that one side of hand wheel is used for promoting the sliding part towards the promotion portion that is close to fixed part one side and removes, be equipped with the piece that resets between fixed part and the sliding part, set up first through-hole on the fixed part, set up the second through-hole with first through-hole dislocation set up on the sliding part.

Through adopting above-mentioned technical scheme, user accessible rotates the hand wheel and rotates with the drive valve rod, make the valve clack move towards one side that is close to the disk seat, make valve clack and disk seat laminating, prevent the medium circulation, user accessible reverse rotation hand wheel simultaneously, make the valve clack move towards one side that keeps away from the disk seat, make the medium circulate, when the valve clack moves towards one side that is close to the disk seat, can drive the pushing part and move towards one side that keeps away from the hand wheel, the pushing part just can push the sliding part, make the sliding part move towards one side that is close to the fixed part and closely laminate with the fixed part, first through-hole has been seted up on the fixed part, set up the second through-hole with first through-hole dislocation set on the sliding part, make the medium blocked by fixed part and sliding part, simultaneously also can laminate with the disk seat, thereby make the sealing effect of stop valve better, when the valve clack moves towards one side that is kept away from the disk seat, the pushing part no longer resets when the valve clack moves, make fixed part and sliding part separate with the sliding part between the sliding part, simultaneously, alright make the medium pass through with the disk seat separation.

Optionally, the fixed part includes solid fixed ring and fixed plate, first through-hole is seted up on the fixed plate, gu fixed ring is fixed on the inner wall of inlet channel, fixed plate and gu fixed ring screw thread fit.

Through adopting above-mentioned technical scheme, offer, can supply the medium to pass through, fixed part includes solid fixed ring and fixed plate, and gu fixed ring fixes on the inner wall of inlet channel, fixed plate and gu fixed ring screw-thread fit's setting for it is more convenient with dismantling to be connected between fixed plate and the fixed ring, and the user only need through screwing or unscrewing the fixed plate, alright realize the installation or the dismantlement of fixed plate, thereby makes the change and the maintenance of fixed plate more convenient.

Optionally, the sliding part includes the sliding plate and the slide bar of being connected with the sliding plate, the second through-hole is seted up on the sliding plate, the slide bar sets up the one side that is close to the valve clack at the sliding plate, be equipped with in the inlet channel with slide bar sliding connection's axle sleeve.

Through adopting above-mentioned technical scheme, the seting of second through-hole can supply the medium to pass through, and the sliding part includes the sliding plate and the slide bar of being connected with the sliding plate, and the slide bar setting is close to one side of valve clack at the sliding plate, is equipped with the setting of the axle sleeve with slide bar sliding connection in the inlet channel for sliding connection of slide bar accessible and axle sleeve drives the sliding plate and stably slides in the inlet channel, thereby makes the better closely laminating of sliding plate and fixed plate, and then makes the sealed effect of stop valve better.

Optionally, the fixed plate is equipped with the turn-ups that are used for spacing the fixed plate on keeping away from the lateral wall of outlet channel.

Through adopting above-mentioned technical scheme, when the fixed plate precesses in the fixed ring, the flanging sets up, can play the effect of spacing fixed plate, prevents that the fixed plate from constantly removing and separating with the fixed ring towards the one side that is close to the fixed ring for be connected between fixed plate and the fixed ring more firm.

Optionally, the pushing part comprises a push rod, one end of the push rod, which is close to the valve clack, is in threaded fit with the valve clack, a first inclined plane is arranged on the push rod, and a second inclined plane matched with the first inclined plane is arranged on one side of the sliding rod, which is close to the push rod.

Through adopting above-mentioned technical scheme, the promotion portion includes the push rod, and the push rod is close to the one end of valve clack and valve clack screw-thread fit's setting for it is all comparatively convenient with dismantling to be connected between push rod and the valve clack, the change and the maintenance of the push rod of being convenient for are equipped with first inclined plane on the push rod, one side that the slide bar is close to the push rod be equipped with first inclined plane matched with second inclined plane's setting, make when the push rod moves towards one side that is close to the slide bar, first inclined plane can push away the second inclined plane, make the slide plate move towards one side that is close to the fixed plate.

Optionally, the middle part of fixed plate sets up first heavy groove, the second heavy groove has been seted up at the middle part of sliding plate, first heavy groove and second heavy groove are corresponding, the one end and the first heavy groove of piece that resets are connected, the other end and the second heavy groove of piece that resets are connected.

Through adopting above-mentioned technical scheme, the setup of first heavy groove and second heavy groove can supply the piece of resetting to place for the fixed plate can closely laminate with the sliding plate, avoids because of the existence of piece of resetting, makes fixed plate and sliding plate can't closely laminate and influence the sealed effect of stop valve.

Optionally, a handle is arranged on one side of the fixing plate far away from the valve clack.

Through adopting above-mentioned technical scheme, one side that the valve clack was kept away from to the fixed plate is equipped with the setting of handle, and convenient to use person installs and dismantles the fixed plate for the installation of fixed plate is more convenient with dismantling.

Optionally, a first sealing pad is arranged on one side, close to the sliding plate, of the fixing plate, and a second sealing pad is arranged on one side, close to the fixing plate, of the sliding plate.

Through adopting above-mentioned technical scheme, one side that the fixed plate is close to the sliding plate is equipped with first sealed pad, and one side that the sliding plate is close to the fixed plate is equipped with the setting of second sealed pad, and when fixed plate and sliding plate laminating, first sealed pad will closely laminate with the second sealed pad, avoids having the gap between fixed plate and the sliding plate for the sealed effect of stop valve is better.

Optionally, a sealing ring is arranged on one side of the valve seat close to the valve clack.

Through adopting above-mentioned technical scheme, the disk seat is close to the setting that one side of valve clack was equipped with the sealing washer, avoids there being the gap between disk seat and the valve clack for the sealing effect of stop valve is better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. be equipped with the seal assembly with the valve clack linkage in the inlet channel, through seal assembly's setting for when valve clack and disk seat subsides, seal assembly also can seal simultaneously, thereby realize dual seal, and then make the sealed effect of stop valve better.

2. The sealing component comprises a fixing part, a sliding part and a pushing part, wherein the fixing part is matched with the sliding part, the pushing part is connected with the valve clack, the pushing part can push the sliding part to move towards one side close to the fixing part, the sliding part is tightly attached to the fixing part, a shaft sleeve which is in sliding connection with the sliding part is arranged in the water inlet pipeline, the sliding of the sliding part in the water inlet pipeline is more stable due to the arrangement of the shaft sleeve, the attachment between the sliding part and the fixing part is more tight, and therefore the sealing effect of the stop valve is better.

3. One side of the valve seat, which is close to the valve clack, is provided with a sealing ring, and the sealing ring is arranged to avoid gaps between the valve seat and the valve clack, so that the sealing effect of the stop valve is better.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application with a slide plate attached to a fixed plate;

FIG. 3 is a schematic structural diagram of a first via embodying an embodiment of the present application;

FIG. 4 is a schematic illustration of a seal assembly embodying an embodiment of the present application;

FIG. 5 is a cross-sectional view of an embodiment of the present application with a slide plate separated from a fixed plate;

FIG. 6 is a schematic view of a first sink tank according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a flange according to an embodiment of the present application.

In the figure, 1, a valve body; 11. a water inlet pipe; 12. a water outlet pipe; 2. a valve cover; 3. a valve stem; 4. a valve flap; 5. a valve seat; 51. a seal ring; 6. a hand wheel; 7. a seal assembly; 71. a fixing part; 711. a fixing ring; 712. a fixing plate; 713. a first through hole; 714. flanging; 715. a first sink; 716. a handle; 717. a first gasket; 72. a sliding part; 721. a sliding plate; 722. a second through hole; 723. a second sink; 724. a second gasket; 725. a slide bar; 726. a second inclined surface; 727. a shaft sleeve; 73. a pushing part; 731. a push rod; 732. a first inclined surface; 74. a reset member; 741. and a return spring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment discloses a high-sealing stop valve. Referring to fig. 1 and 2, a high seal stop valve, including valve body 1, valve gap 2 and valve rod 3, valve body 1 includes inlet channel 11 and outlet conduit 12, and valve body 1 passes through the bolt with valve gap 2 and can dismantle the connection, and valve rod 3 wears to locate valve gap 2, and valve rod 3 arranges the one end in valve gap 2 and is connected with valve clack 4, and valve rod 3 keeps away from the one end screw-thread fit of valve clack 4 has hand wheel 6, is equipped with the disk seat 5 that is used for spacing valve clack 4 in the valve body 1.

Referring to fig. 1 and 2, a user can rotate the valve rod 3 by rotating the hand wheel 6, so that the valve clack 4 connected with the valve rod 3 moves towards one side close to the valve seat 5, the valve clack 4 is attached to the valve seat 5 to prevent medium circulation, and meanwhile, the user can separate the valve clack 4 from the valve seat 5 by reversely rotating the hand wheel 6, so that the medium circulation is realized. The sealing ring 51 is arranged on one side of the valve seat 5, which is close to the valve clack 4, and the sealing ring 51 is arranged, so that gaps between the valve seat 5 and the valve clack 4 can be avoided, and the sealing effect of the stop valve is better.

Referring to fig. 3 and 4, a sealing assembly 7 is disposed in the water inlet pipe 11, the sealing assembly 7 includes a fixing portion 71, a sliding portion 72 and a pushing portion 73, the fixing portion 71 includes a fixing ring 711 and a fixing plate 712 screwed with the fixing ring 711, a first through hole 713 is formed in the fixing plate 712, the sliding portion 72 includes a sliding plate 721 and a sliding rod 725 disposed in the middle of the sliding plate 721, a second through hole 722 staggered with the first through hole 713 is formed in the sliding plate 721, the pushing portion 73 includes a push rod 731 screwed with one side of the valve flap 4 away from the hand wheel 6, the fixing plate 712 is matched with the sliding plate 721, a first inclined surface 732 is disposed on the push rod 731, and a second inclined surface 726 matched with the first inclined surface 732 is disposed on the sliding rod 725. The fixing ring 711 is in threaded fit with the fixing plate 712, and the valve clack 4 is in threaded fit with the push rod 731, so that connection and disassembly between the fixing ring 711 and the fixing plate 712 and between the valve clack 4 and the push rod 731 are convenient, and replacement and maintenance of the fixing plate 712 and the push rod 731 are convenient. The sliding part 72 further comprises a shaft sleeve 727 which is arranged in the water inlet pipeline 11 and is in sliding connection with the sliding rod 725, the shaft sleeve 727 is arranged, sliding of the sliding part 72 in the water inlet pipeline 11 can be more stable, the fitting between the sliding plate 721 and the fixing plate 712 is tighter, the sealing effect of the stop valve is better, the section of the sliding rod 725 is rectangular, the sliding rod 725 can be limited, and relative rotation between the sliding rod 725 and the shaft sleeve 727 is prevented.

Referring to fig. 2 and 3, when the user rotates the hand wheel 6 to drive the valve clack 4 to move towards the side close to the valve seat 5 and to be attached to the valve seat 5, the push rod 731 moves towards the side far away from the hand wheel 6, and the first inclined surface 732 on the push rod 731 pushes the second inclined surface 726 on the sliding rod 725, so that the sliding plate 721 moves towards the side close to the fixed plate 712 and is tightly attached to the fixed plate 712, and the first through hole 713 and the second through hole 722 are arranged in a staggered manner, the sliding plate 721 can shield the first through hole 713, the fixed plate 712 can shield the second through hole 722, and medium circulation can be prevented, and meanwhile, attachment of the valve clack 4 and the valve seat 5 can also prevent medium circulation, so that double sealing is realized, and sealing effect of the stop valve is better.

Referring to fig. 3 and 5, when the valve clack 4 moves toward a side far away from the valve seat 5, the push rod 731 no longer pushes the sliding rod 725, a reset element 74 is disposed between the fixed plate 712 and the sliding plate 721, the reset element 74 is a reset spring 741, and the reset spring 741 resets to separate the fixed plate 712 from the sliding plate 721, and meanwhile, the valve clack 4 is separated from the valve seat 5, so that a medium can pass through.

Referring to fig. 6, a first sinking groove 715 is formed in the middle of the fixed plate 712, a second sinking groove 723 corresponding to the first sinking groove 715 is formed in the middle of the sliding plate 721, one end of a return spring 741 is connected with the first sinking groove 715, the other end of the return spring 741 is connected with the second sinking groove 723, and the first sinking groove 715 and the second sinking groove 723 are formed for the return spring 741 to be placed, so that the fixed plate 712 can be tightly attached to the sliding plate 721, and the problem that the sealing effect of the stop valve is affected because the return spring 741 exists and the fixed plate 712 cannot be tightly attached to the sliding plate 721 is avoided. The side of the fixed plate 712, which is close to the sliding plate 721, is provided with a first sealing pad 717, and the side of the sliding plate 721, which is close to the fixed plate 712, is provided with a second sealing pad 724, when the fixed plate 712 is attached to the sliding plate 721, the first sealing pad 717 is tightly attached to the second sealing pad 724, so that a gap is avoided between the fixed plate 712 and the sliding plate 721, and the sealing effect of the stop valve is better.

Referring to fig. 3, the fixing ring 711 is fixed on the inner wall of the water inlet pipe 11, and the fixing plate 712 is in threaded engagement with the fixing ring 711, so that connection and disassembly between the fixing plate 712 and the fixing ring 711 are more convenient, and a user can install or disassemble the fixing plate 712 only by screwing or unscrewing the fixing plate 712, thereby making replacement and maintenance of the fixing plate 712 more convenient. The flange 714 is arranged on the side wall of the fixing plate 712 far away from the water outlet pipeline 12, when the fixing plate 712 is screwed into the fixing ring 711, the flange 714 can play a role of limiting the fixing plate 712, the fixing plate 712 is prevented from continuously moving towards one side close to the fixing ring 711 and being separated from the fixing ring 711, the fixing plate 712 and the fixing ring 711 are more firmly connected, and the handle 716 is arranged on one side of the fixing plate 712 far away from the water outlet pipeline 12, so that a user can conveniently install and detach the fixing plate 712, and the fixing plate 712 is more convenient to install and detach.

The implementation principle of the embodiment of the application is as follows: through be equipped with the setting of the reset module that links with valve clack 4 in inlet channel 11 for the stop valve can realize dual seal, thereby improve the sealed effect of stop valve, seal module 7 includes setting up fixed part 71 in inlet channel 11, sliding part 72 with inlet channel 11 inner wall sliding connection, be used for pushing away sliding part 72 and being connected with valve clack 4 and move towards the thrust part 73 that is close to fixed part 71 one side, the setting is used for the reset piece 74 that sliding part 72 reset between fixed part 71 and sliding part 72, the first through-hole 713 has been seted up on the fixed part 71, the second through-hole 722 that is the dislocation setting with first through-hole 713 has been seted up on the sliding part 72, when the user rotates hand wheel 6 in order to drive valve rod 3 rotation, make valve clack 4 to be close to one side of disk seat 5 and with disk seat 5 laminating, the thrust part 73 that is connected with valve clack 4 will push away sliding part 72, make sliding part 72 move towards the one side that is close to fixed part 71 and closely laminate with fixed part 71, prevent the medium circulation, can realize dual seal, make the sealed effect of stop valve better, when the user reverse rotation of hand wheel 6 makes valve and disk seat 4, make reset part 73 and reset part 73, and 72 can make the fixed part 72 and the media can not separate through reset piece 72.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a high seal stop valve, includes valve body (1), can dismantle valve gap (2) of being connected with valve body (1), wears to locate valve rod (3) in valve gap (2), arranges valve clack (4) that one end in valve gap (2) is connected with valve rod (3), sets up valve seat (5) that are used for spacing valve clack (4) to remove in valve body (1), valve body (1) include inlet channel (11) and outlet conduit (12), the one end screw-thread fit that valve rod (3) kept away from valve clack (4) has hand wheel (6), its characterized in that: be equipped with seal assembly (7) in inlet channel (11), seal assembly (7) including setting up fixed part (71) in inlet channel (11), with inlet channel (11) inner wall slip complex sliding part (72), set up one side that hand wheel (6) was kept away from to valve clack (4) and be used for promoting sliding part (72) towards pushing part (73) that are close to fixed part (71) one side and remove, be equipped with reset piece (74) between fixed part (71) and sliding part (72), first through-hole (713) have been seted up on fixed part (71), set up second through-hole (722) with first through-hole (713) dislocation set on sliding part (72).

2. A high seal shut-off valve according to claim 1, wherein: the fixing part (71) comprises a fixing ring (711) and a fixing plate (712), the first through hole (713) is formed in the fixing plate (712), the fixing ring (711) is fixed on the inner wall of the water inlet pipeline (11), and the fixing plate (712) is in threaded fit with the fixing ring (711).

3. A high seal shut-off valve according to claim 2, wherein: the sliding part (72) comprises a sliding plate (721) and a sliding rod (725) connected with the sliding plate (721), the second through hole (722) is formed in the sliding plate (721), the sliding rod (725) is arranged on one side, close to the valve clack (4), of the sliding plate (721), and a shaft sleeve (727) in sliding connection with the sliding rod (725) is arranged in the water inlet pipeline (11).

4. A high seal shut-off valve according to claim 2, wherein: the side wall of the fixing plate (712) far away from the water outlet pipeline (12) is provided with a flanging (714) for limiting the fixing plate (712).

5. A high seal shut-off valve according to claim 3, wherein: the pushing part (73) comprises a push rod (731), one end, close to the valve clack (4), of the push rod (731) is in threaded fit with the valve clack (4), a first inclined surface (732) is arranged on the push rod (731), and a second inclined surface (726) matched with the first inclined surface (732) is arranged on one side, close to the push rod (731), of the sliding rod (725).

6. A high seal shut-off valve according to claim 3, wherein: the middle part of fixed plate (712) is seted up first heavy groove (715), second heavy groove (723) has been seted up at the middle part of sliding plate (721), first heavy groove (715) and second heavy groove (723) are corresponding, the one end and the first heavy groove (715) of piece that resets (74) are connected, the other end and the second heavy groove (723) of piece that resets (74) are connected.

7. A high seal shut-off valve according to claim 2, wherein: a handle (716) is arranged on one side of the fixed plate (712) far away from the valve clack (4).

8. A high seal shut-off valve according to claim 3, wherein: a first sealing gasket (717) is arranged on one side, close to the sliding plate (721), of the fixed plate (712), and a second sealing gasket (724) is arranged on one side, close to the fixed plate (712), of the sliding plate (721).

9. A high seal shut-off valve according to claim 1, wherein: one side of the valve seat (5) close to the valve clack (4) is provided with a sealing ring (51).

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