CN218863412U

CN218863412U - Bellows strenghthened type stop valve

Info

Publication number: CN218863412U
Application number: CN202222675373.1U
Authority: CN
Inventors: 胡汉文
Original assignee: Zhejiang Oufeng Valve Technology Co ltd
Current assignee: Zhejiang Oufeng Valve Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-04-14
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a bellows strenghthened type stop valve, which comprises a valve body, the filtering mechanism is installed in the left side of the valve body end of intaking, the top of valve body is inlayed and is had first annular slab, the first valve gap of bolt fixedly connected with is passed through at the top of valve body, the top of first valve gap is inlayed and is had the second annular slab, upper cover mechanism is installed at the top of first valve gap, upper cover mechanism's top is provided with the valve rod, bolt fixedly connected with hand wheel is passed through at the top of valve rod, the bottom of valve rod runs through upper cover mechanism, second annular slab, first valve gap and first annular slab in proper order and extends to the inner chamber of valve body, the bottom fixed connection of valve rod has the valve clack. The utility model discloses have double-deck bellows seal's function, can prevent that one deck bellows seal from becoming invalid, the problem of leaking appears, and has filterable function, can filter the impurity of aquatic, prevents that the phenomenon of jam from appearing in the stop valve to reduce cost of maintenance.

Description

Bellows strenghthened type stop valve

Technical Field

The utility model relates to the technical field of valves, specifically be a bellows strenghthened type stop valve.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and is popular because the friction force between the sealing surfaces is small in the opening and closing process, so that the stop valve is durable, the opening height is small, the manufacture is easy, the maintenance is convenient, and the stop valve is suitable for medium and low pressure and high pressure and can be used in pipeline laying.

Patent application publication No. CN 211259686U's utility model discloses a bellows stop valve, including the stop valve body, the valve pocket has been seted up on the stop valve body, the stop valve body is kept away from ground one side and is kept away from valve pocket both sides fixedly connected with bolt, just be located directly over the stop valve body on the bolt and be connected with the valve gap, the valve gap is close to stop valve body one side and the correspondence of valve pocket position department has seted up the thread groove, the thread groove in-connection has the valve rod, the thread groove is kept away from valve pocket one side and has been seted up the seal groove, the seal inslot is filled with sealing filler, just be located hand sealing filler directly over fixedly connected with clamp plate, on the clamp plate and valve rod position department have seted up the round hole, through setting up the baffle, recess, ring channel, sealing plug, spring, the hand wheel rotates, has solved present bellows stop valve noise valve clack and has got into behind the valve clack groove, if the valve rod continues the downshifting, can cause excessive bellows extension, makes the problem of bellows damage.

But above-mentioned device still has some shortcomings when in actual use, and it is more obvious do not have filterable function, long-time the use, and the phenomenon of jam appears easily in the stop valve inner chamber can leave impurity, causes the stop valve to can't use, increases cost of maintenance, and does not have the sealed function of double-deck bellows, generally only has one deck bellows, and in case the bellows seal became invalid, water then can leak the valve outside, has the problem of leaking.

Therefore, it is necessary to provide a bellows reinforced stop valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bellows strenghthened type stop valve possesses filterable function and double-deck bellows seal's advantage, has solved current stop valve and has not had filterable function, appears the phenomenon of jam easily, causes the stop valve can't use, and does not have double-deck bellows seal's function, in case bellows seal became invalid, has the problem of leaking.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bellows strenghthened type stop valve, includes the valve body, the filtering mechanism is installed in the left side of the valve body end of intaking, the top of valve body is inlayed and is had first annular slab, the first valve gap of bolt fixedly connected with is passed through at the top of valve body, the top of first valve gap is inlayed and is had the second annular slab, upper cover mechanism is installed at the top of first valve gap, the top of upper cover mechanism is provided with the valve rod, bolt fixedly connected with hand wheel is passed through at the top of valve rod, the bottom of valve rod runs through upper cover mechanism, second annular slab, first valve gap and first annular slab in proper order and extends to the inner chamber of valve body, the bottom fixed connection of valve rod has the valve clack, supreme movable sleeve in proper order is equipped with first bellows, closing plate and second bellows down in the bottom of valve rod outer lane.

Preferably, the first bellows is located in an inner cavity of the valve body, the bottom of the first bellows is welded to the top of the valve clack, the top of the first bellows is welded to the bottom of the first annular plate, the second bellows is located in an inner cavity of the first valve cover, the top of the second bellows is welded to the bottom of the second annular plate, and the bottom of the second bellows is welded to the top of the sealing plate.

Preferably, the upper cover mechanism includes the second valve gap, bolt fixed connection is passed through with the top of first valve gap in the bottom of second valve gap, the top welding of second valve gap has the frame, the welding of the inside left and right sides of frame has the slide bar, the inboard sliding connection of slide bar has the stop collar, the top through connection of frame has the rotation cover, the top of valve rod is passed through the screw thread and is established with the rotation cover thread bush and be connected, the top of valve rod outer lane is located through the fixed cover of bolt to the stop collar.

Preferably, the inner cavity of the second valve cover is filled with sealing filler, the top of the second valve cover is fixedly connected with a pressing plate through a bolt, and the bottom of the valve rod sequentially penetrates through the pressing plate, the sealing filler and the second valve cover from top to bottom.

Preferably, filtering mechanism includes the rose box, the left and right sides of rose box all communicates there is the siphunculus, and the left side fixed connection of end is intake through bolt and valve body in the right side siphunculus of right side.

Preferably, the top of rose box is through the sealed lid of bolt fixedly connected with, the bottom of sealed lid and the bottom of rose box inner chamber all weld the card frame, the inboard joint of card frame has the filter.

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

1. the utility model discloses a cooperation of clamp plate, second valve gap, sealing filler, second annular plate, second bellows, first valve gap, first annular plate and first bellows has the sealed function of double-deck bellows, can prevent that one deck bellows seal from becoming invalid, the problem of leaking appears.

2. The utility model discloses a filter, sealed lid, rose box, siphunculus and the cooperation of card frame have filterable function, can filter the impurity of aquatic, prevent that the phenomenon of jam from appearing in the stop valve to reduce cost of maintenance.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the filtering mechanism of the present invention;

fig. 3 is a top view of the structure of the stop collar of the present invention.

In the figure: the device comprises a valve body 1, a filtering mechanism 2, a filtering plate 21, a sealing cover 22, a filtering box 23, a through pipe 24, a clamping frame 25, a cover mechanism 3, a rotating sleeve 31, a sliding rod 32, a frame 33, a pressing plate 34, a second valve cover 35, sealing filler 36, a hand wheel 4, a limiting sleeve 5, a second annular plate 6, a second corrugated pipe 7, a first valve cover 8, a first annular plate 9, a first corrugated pipe 10, a valve rod 11, a valve clack 12 and a sealing plate 13.

Detailed Description

Please refer to fig. 1-3, a bellows enhanced stop valve, which comprises a valve body 1, a filter mechanism 2 is installed on the left side of a water inlet end of the valve body 1, a first annular plate 9 is inlaid on the top of the valve body 1, a first valve cover 8 is fixedly connected on the top of the valve body 1 through bolts, a second annular plate 6 is inlaid on the top of the first valve cover 8, an upper cover mechanism 3 is installed on the top of the first valve cover 8, a valve rod 11 is arranged on the top of the upper cover mechanism 3, a hand wheel 4 is fixedly connected on the top of the valve rod 11 through bolts, the bottom of the valve rod 11 sequentially penetrates through the upper cover mechanism 3, the second annular plate 6, the first valve cover 8 and the first annular plate 9 and extends to an inner cavity of the valve body 1, a valve flap 12 is fixedly connected on the bottom of the valve rod 11, and a first bellows 10, a sealing plate 13 and a second bellows 7 are sequentially movably sleeved on the bottom of an outer ring of the valve rod 11 from bottom to the bottom.

The first bellows 10 is located the inner chamber of valve body 1, the bottom of first bellows 10 and the top welding of valve clack 12, the top of first bellows 10 and the bottom welding of first annular plate 9, the second bellows 7 is located the inner chamber of first valve gap 8, the top of second bellows 7 and the bottom welding of second annular plate 6, the bottom of second bellows 7 and the top welding of closing plate 13, through valve clack 12 structure, have sealed function, can detain the rivers that flow in the valve body 1 intake end.

The upper cover mechanism 3 comprises a second valve cover 35, the bottom of the second valve cover 35 is fixedly connected with the top of the first valve cover 8 through bolts, a frame 33 is welded at the top of the second valve cover 35, slide rods 32 are welded at the left side and the right side of the inside of the frame 33, limiting sleeves 5 are slidably connected to the inner sides of the slide rods 32, a rotating sleeve 31 is connected to the top of the frame 33 in a penetrating mode, the top of the valve rod 11 is connected with the rotating sleeve 31 in a threaded sleeve mode through threads, the top of the outer ring of the valve rod 11 is located by the limiting sleeves 5 through bolt fixing sleeves, the structure of the limiting sleeves 5 can prevent the valve rod 11 from moving downwards too much, and limiting effect is achieved.

The inner chamber of second valve gap 35 is filled with sealed filler 36, and bolt fixedly connected with clamp plate 34 is passed through at the top of second valve gap 35, and the bottom of valve rod 11 is from last to running through clamp plate 34, sealed filler 36 and second valve gap 35 down in proper order, through clamp plate 34 structure, can extrude sealed filler 36, prevents that sealed filler 36 from spilling.

Filter mechanism 2 includes rose box 23, and the left and right sides of rose box 23 all communicates there is siphunculus 24, and the left side fixed connection of end is intake through bolt and valve body 1 in the right side siphunculus 24's right side, through siphunculus 24 structure, and the rose box 23 of being convenient for is connected with valve body 1, plays the effect of connecting.

The top of rose box 23 is passed through the sealed lid 22 of bolt fixedly connected with, and the bottom of sealed lid 22 and the bottom of rose box 23 inner chamber all weld and have card frame 25, and the inboard joint of card frame 25 has filter 21, through the filter 21 structure, can filter the impurity of aquatic, plays filterable effect.

During the use, clockwise rotation hand wheel 4, it rotates to drive valve rod 11 through the rotation of hand wheel 4, make valve rod 11 through the cooperation of valve rod 11 with rotating sleeve 31, stop collar 5, closing plate 13 and valve clack 12 move upwards, make first bellows 10 and the extrusion of second bellows 7, break away from the valve clack groove of valve body 1 inner chamber through valve clack 12, make water flow into the play water end of valve body 1 from the end of intaking of valve body 1, counter-clockwise rotation hand wheel 4 drives valve rod 11, stop collar 5, closing plate 13 and valve clack 12 move down, make first bellows 10 and second bellows 7, make closing plate 13 and first annular plate 9 meet the department, get into the sealed inslot of valve body 1 inner chamber through valve clack 12, the flow of water is stopped, impurity in the filtration aquatic is filtered through filter 21, prevent that impurity from blockking up valve body 1, when will clear up filter 21, open sealed lid 22 through unscrewing the bolt on filter 22, it can to take out filter 21 and clear up.

In summary, the following steps: this bellows strenghthened type stop valve through filtering mechanism 2, clamp plate 34, second valve gap 35, sealing filler 36, second annular plate 6, second bellows 7, first valve gap 8, first annular plate 9 and first bellows 10, has solved current stop valve and has not had filterable function, appears the phenomenon of jam easily, causes the stop valve unable use, and does not have the sealed function of double-deck bellows, in case the bellows seal is invalid, has the problem of leaking.

Claims

1. The utility model provides a bellows strenghthened type stop valve, includes valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), inlet end, first ring plate (9), bolt fixedly connected with first valve gap (8) are passed through at the top of valve body (1), the top of first valve gap (8) is inlayed and is had second ring plate (6), upper cover mechanism (3) are installed at the top of first valve gap (8), the top of upper cover mechanism (3) is provided with valve rod (11), bolt fixedly connected with hand wheel (4) are passed through at the top of valve rod (11), the bottom of valve rod (11) runs through upper cover mechanism (3), second ring plate (6), first valve gap (8) and first ring plate (9) in proper order and extend to the inner chamber of valve body (1), the bottom fixed connection of valve rod (11) has valve clack (12), supreme cover is equipped with first bellows (10), closing plate (13) and second bellows (7) in proper order down in the bottom of valve rod (11) outer lane.

2. The bellows enhanced stop valve of claim 1, wherein: the valve comprises a valve body (1), a first corrugated pipe (10), a valve clack (12), a first annular plate (9), a second corrugated pipe (7), a sealing plate (13), a first corrugated pipe (10), a second corrugated pipe (7), a valve cover (8), a valve body (1), a valve clack (10), a valve cover (7), a valve cover (13), a valve cover (6), a valve cover (7), a valve cover (6), a valve cover and a valve cover.

3. The bellows enhanced stop valve of claim 1, wherein: upper cover mechanism (3) include second valve gap (35), bolt fixed connection is passed through with the top of first valve gap (8) in the bottom of second valve gap (35), the top welding of second valve gap (35) has frame (33), the welding of the inside left and right sides of frame (33) has slide bar (32), the inboard sliding connection of slide bar (32) has stop collar (5), the top through connection of frame (33) has rotation cover (31), the top of valve rod (11) is established with rotation cover (31) thread bush through the screw thread and is connected, the top of valve rod (11) outer lane is located through the fixed cover of bolt in stop collar (5).

4. The bellows enhanced stop valve of claim 3, wherein: the inner cavity of the second valve cover (35) is filled with sealing filler (36), the top of the second valve cover (35) is fixedly connected with a pressing plate (34) through bolts, and the bottom of the valve rod (11) sequentially penetrates through the pressing plate (34), the sealing filler (36) and the second valve cover (35) from top to bottom.

5. The bellows enhanced stop valve of claim 1, wherein: filtering mechanism (2) include rose box (23), the left and right sides of rose box (23) all communicates there is siphunculus (24), and the left side fixed connection of the end is intake through bolt and valve body (1) in the right side siphunculus (24) on right side.

6. The bellows enhanced stop valve of claim 5, wherein: the top of rose box (23) is through bolt fixedly connected with sealed lid (22), card frame (25) have all been welded with the bottom of rose box (23) inner chamber in the bottom of sealed lid (22), the inboard joint of card frame (25) has filter (21).