CN209604555U - A kind of shut-off valve that leakproofness is strong - Google Patents
A kind of shut-off valve that leakproofness is strong Download PDFInfo
- Publication number
- CN209604555U CN209604555U CN201920136846.6U CN201920136846U CN209604555U CN 209604555 U CN209604555 U CN 209604555U CN 201920136846 U CN201920136846 U CN 201920136846U CN 209604555 U CN209604555 U CN 209604555U
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- Prior art keywords
- valve
- runner
- flap
- valve rod
- water storage
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Abstract
The utility model discloses a kind of shut-off valves that leakproofness is strong, including valve body, valve rod and flap are provided in valve body, valve rod actuatable valve valve is moved back and forth along axial realize of valve rod, runner is provided in valve body, the side of valve rod is equipped with limiting slot, valve outer wall is provided with limit component, limit component includes hinged seat, grab and reduction torsion spring, grab includes hook body and gib head, hook body is hingedly arranged with hinged seat, gib head, which can stretch to limiting slot and constitute card therewith, matches, the hinged place of hook body and hinged seat is equipped with reduction torsion spring, gib head is fixedly installed the force-applying piece for making gib head be detached from limiting slot；Water storage cavity is offered in flap, water storage cavity is connected with a water storage channel；The spiral convex rib being spirally distributed is installed in runner, each spiral convex rib is the hollow form structure of both ends open.The utility model has the following advantages that and effect: being matched by the card of limit component and valve rod upper limit position groove, the position of Lai Jiagu valve rod, to make the leakproofness of flap and valve body more preferably.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of shut-off valve that leakproofness is strong.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press
Power is not leaked with forced seal face.When fluid media (medium) is by entering valve below flap, the resistance overcome required for operating force,
The frictional force and the thrust as caused by the pressure of medium for being valve rod and filler, the power of closing valve is bigger than the power of valve opening door, so
The diameter of valve rod is big, and the failure of valve rod bending otherwise can occur.Shut-off valve drives the past of flap by valve rod at work
It is multiple mobile, to realize the connection or partition of runner.
In existing shut-off valve, when flap separates runner, the fluid media (medium) in runner can constantly act on flap, to valve
Valve causes stress.Simultaneously under prolonged use operating condition, valve rod is also easy to produce fatigue, it may appear that flap can not separate runner completely
The case where, so that there are gaps in flap and valve body, so that the fluid media (medium) in runner can be flowed by the gap, thus
Cause the leakproofness between flap and valve body to be deteriorated, is easy to make shut-off valve seal failure and can not work normally.
Utility model content
The purpose of the utility model is to provide a kind of shut-off valves that leakproofness is strong, pass through limit component and valve rod upper limit position groove
Card match, the position of Lai Jiagu valve rod, to make the leakproofness of flap and valve body more preferably.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of leakproofness is strong and cuts
Only valve, including valve body are provided with valve rod and flap in the valve body, and the valve rod is fixedly connected with flap, and described
Valve rod actuatable valve valve is moved back and forth along axial realize of valve rod, be provided in the valve body by the flap connection or
The runner of partition, the runner include influent stream road and runner out, and the side of the valve rod offers a limiting slot, described
Valve outer wall offer limiting slot and the extraneous through-hole being connected, the valve outer wall is provided near the through-hole
Limit component, when the flap separates runner, the limit component, which can protrude into limiting slot and constitute card therewith, matches；It is described
Limit component include hinged seat, grab and reduction torsion spring, the hinged seat is fixedly installed on the outer wall of valve body, the card
Hook includes hook body and the gib head that is wholely set with hook body, and the hook body is hingedly arranged with hinged seat, and under the rotation of hook body
Gib head, which can stretch to limiting slot and constitute card therewith, matches, and the hinged place of the hook body and hinged seat is equipped with the reset and turns round
Spring, the reduction torsion spring make gib head have the trend resetted to limiting slot by the elastic acting force of itself；The gib head
It is fixedly installed the force-applying piece for making gib head be detached from limiting slot；A water storage cavity is offered in the flap, the water storage cavity connects
It is connected to a water storage channel and is connected by the water storage channel with runner out；It the influent stream road and is installed in runner out and is in
The spiral convex rib of spiral distribution, each spiral convex rib are the hollow form structure of both ends open.
By using above-mentioned technical proposal, when valve rod drives flap to move down, and with valve body offset composition sealing when, this
Fluid media (medium) in Shi Liudao is in partition state due to the blocking by flap；When valve rod drives flap to move up, and valve
When valve is separated with valve body, the fluid media (medium) in runner can pass through runner at this time, realize the connection of runner.In making for shut-off valve
In, flap can separate runner, and the fluid media (medium) in influent stream road is made not realize the closing of shut-off valve by going out runner outflow.
During flap separates runner, the fluid media (medium) in influent stream road can constantly be caused stress flap, make the close of flap and valve body
There is the hidden danger of leakage at envelope；Meanwhile shut-off valve, under prolonged use operating condition, fatigue easily occurs for valve rod, it may appear that flap
The case where runner can not be separated completely so that leaked at the sealing of flap and valve body, be easy to make shut-off valve seal failure and
It can not work normally.Therefore the utility model is in view of the above-mentioned problems, the limit for opening up limiting slot on valve rod, while passing through valve outer wall
Position component carries out card with limiting slot and matches, the reinforcing of Lai Shixian valve rod, in the original structure of shut-off valve, passes through limit component and limit
Position slot realizes the secondary fixation of valve rod, more rationally and the leakproofness that is effectively guaranteed between flap and valve body.
Wherein, limit component includes hinged seat, grab and reduction torsion spring, and the hook body of hinged seat and grab is hinged, when hook body
When rotation, the gib head of grab, which can protrude into limiting slot and constitute card therewith, matches, and has the advantages that structure is simple, operates conveniently.Meanwhile
Active force is applied to grab by reduction torsion spring, gib head can be rotated towards the direction of limiting slot always, is matched without manually implemented card,
It is convenient for the user to use.In addition, valve body is additionally provided with a force-applying piece, user by force-applying piece can opposite direction rotate gib head, to complete
The operation that grab is separated with limiting slot.
In addition, flap offers water storage cavity in the utility model, the fluid media (medium) in runner can flow to and be filled in storage out
In water cavity, compensated by the filling of fluid media (medium) in flap for opening up the occupied space of water storage cavity.Due to being opened in flap
Equipped with water storage cavity, the production material of flap can be saved to reduce production cost, while increasing valve using the filling of fluid media (medium)
The total weight of valve, sealing effect is more preferably.In addition, being equipped with spiral convex rib in influent stream road and out runner, divided by spiral convex rib
The fluid media (medium) in runner is flowed, fluid media (medium) is reduced and dynamics is washed away to runner inner wall, to realize noise reduction.
Be further arranged to: the force-applying piece is made of drawstring and pull ring, described drawstring one end and the fixed company of gib head
It connects, the other end is fixedly connected with pull ring.
By using above-mentioned technical proposal, the structure of drawstring and pull ring is simple, easy to operate.Drawstring is acted on for transmitting
Power, pull ring are then conducive to user's force, facilitate user that gib head is pulled to rotate gib head towards the direction far from limiting slot.
Be further arranged to: the position of one end that the water storage channel is connected with runner out is higher than water storage channel and storage
The position of one end that water cavity is connected.
By using above-mentioned technical proposal, under the gravity of fluid media (medium) itself, the fluid media (medium) in runner ensure that out
It can flow in water storage cavity, while can also prevent the fluid media (medium) in water storage cavity from flowing out, fluid media (medium) is enable to stay in water storage cavity.Separately
Outside, the fluid media (medium) in runner out can be continuously applied to pressure in flap, push flap preferably close between increase and valve body
Sealing property.
Be further arranged to: the two sides of the upper stem portion are provided with filler, the top setting of the filler
There is spacer ring, the gland for squeezing filler is provided with above the spacer ring, the gland is provided with and valve body screw thread
The bolt of cooperation, the head of the bolt and gland top offset.
By using above-mentioned technical proposal, the design of filler is effectively sealed in valve body between fluid media (medium) and atmosphere
Connection makes whole valve body not generate leakage phenomenon.The design of gland even more plays different filler materials, depth close
Envelope effect.Setting is bolted between gland and valve body, is set to filler closely by the extruding of gland
Between valve body and valve rod, make to seal it is relatively reliable, prevent because filler loosen due to reveal runner.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1；
Fig. 3 is the enlarged drawing in the portion B in Fig. 1.
In figure: 1, valve body；2, valve rod；20, limiting slot；3, flap；30, water storage cavity；31, water storage channel；41, hinged seat；
42, grab；421, hook body；422, gib head；43, reduction torsion spring；51, influent stream road；52, go out runner；6, force-applying piece；61, drawstring；
62, pull ring；7, spiral convex rib；81, filler；82, spacer ring；83, gland.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1 to Figure 3, a kind of shut-off valve that leakproofness is strong, including valve body 1 are provided with valve rod 2 and valve in valve body 1
Valve 3, valve rod 2 are fixedly connected with flap 3, and 2 actuatable valve valve 3 of valve rod is moved back and forth along axial realize of valve rod 2, in valve body 1
It is provided with the runner by 3 connection of flap or partition, runner includes influent stream road 51 and runner 52 out, passes through the drive of valve rod 2
Flap 3 can be made to move back and forth up and down, by influent stream road 51 and 52 connection of runner or partition out.
The two sides of part are provided with filler 81 on valve rod 2, and the top of filler 81 is provided with spacer ring 82, sets above spacer ring 82
Be equipped with the gland for squeezing filler 81, gland 83 is provided with the bolt being threadedly engaged with valve body 1, the head of the bolt with
It offsets above gland 83.The design of filler 81 effectively seals the connection in valve body 1 between fluid media (medium) and atmosphere, makes
Whole valve body 1 will not generate leakage phenomenon.The design of gland 83 even more plays sealing to different 81 materials of filler, depth
Effect.
Wherein, the side of valve rod 2 offers a limiting slot 20, and 1 outer wall of valve body, which is offered, is connected limiting slot 20 with the external world
Logical through-hole, 1 outer wall of valve body are provided with limit component near the through-hole, and when runner is truncated in flap 3, limit component can be stretched
Enter limiting slot 20 and constitute card therewith to match.
Specifically, limit component includes hinged seat 41, grab 42 and reduction torsion spring 43, and hinged seat 41 is fixedly installed on valve body
1 outer wall, grab 42 are hingedly set including hook body 421 and the gib head 422 being wholely set with hook body 421, hook body 421 with hinged seat 41
It sets, and gib head 422 can stretch to limiting slot 20 under the rotation of hook body 421 and composition card is matched therewith, hook body 421 and hinged seat 41
Hinged place be equipped with the reduction torsion spring 43, reduction torsion spring 43 makes gib head 422 with to limit by the elastic acting force of itself
The trend that position slot 20 resets.When flap 3 does not separate runner, gib head 422 can be against the side wall of valve rod 2；When valve rod 2 moves down
And when flap 3 being driven to separate runner, the limiting slot 20 on valve rod 2 can follow valve rod 2 to move down, until being moved to the logical of valve body 1
At hole, its gib head 422 under the action of reduction torsion spring 43 of grab 42, which can be stretched to just in limiting slot 20 and constitute card therewith, matches.
It realizes the reinforcing of valve rod 2 by grab 42 and limiting slot 20, more rationally and is effectively guaranteed close between flap 3 and valve body 1
Feng Xing.
On the other hand, gib head 422 be fixedly installed make gib head 422 be detached from limiting slot 20 force-applying piece 6, the force-applying piece 6 by
Drawstring 61 and pull ring 62 are constituted, and 61 one end of drawstring is fixedly connected with gib head 422, the other end is fixedly connected with pull ring 62.Drawstring 61
For the wire rod without elasticity, user is rotated by the direction for pulling pull ring 62 that can drive gib head 422 towards separate limiting slot 20, into
And grab 42 and limiting slot 20 are separated, valve rod 2 can normally rise so that runner is open at this time.
In addition, offering a water storage cavity 30 in flap 3, water storage cavity 30 is connected with a water storage channel 31 and is led to by the water storage
Road 31 is connected with runner 52 out；Water storage channel 31 is higher than water storage channel 31 and storage with the position of one end that runner 52 is connected out
The position of one end that water cavity 30 is connected.The production material of flap 3 can be saved by water storage cavity 30, while using in runner 52 out
The pressure of fluid media (medium) improves the sealing performance of flap 3.
In addition, the spiral convex rib 7 being spirally distributed is installed in influent stream road 51 and out runner 52, each spiral convex rib 7
It is the hollow form structure of both ends open.When flow of fluid medium passes through, spiral convex rib 7 can reduce fluid media (medium) to runner inner wall
Wash away dynamics, to realize noise reduction.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (4)
1. a kind of shut-off valve that leakproofness is strong, including valve body (1), the valve body (1) is interior to be provided with valve rod (2) and flap (3),
The valve rod (2) is fixedly connected with flap (3), and valve rod (2) the actuatable valve valve (3) is along the axial real of valve rod (2)
It now moves back and forth, the runner by flap (3) connection or partition, the runner is provided in the valve body (1)
It include influent stream road (51) and runner (52) out, it is characterised in that:
The side of the valve rod (2) offers a limiting slot (20), and the valve body (1) outer wall is offered limiting slot (20)
The through-hole being connected with the external world, the valve body (1) outer wall is provided with limit component near the through-hole, when the flap
(3) when separating runner, the limit component, which can protrude into limiting slot (20) and constitute card therewith, matches；
The limit component includes hinged seat (41), grab (42) and reduction torsion spring (43), and the hinged seat (41) is fixed
It is set to the outer wall of valve body (1), the grab (42) includes hook body (421) and the gib head that is wholely set with hook body (421)
(422), the hook body (421) and hinged seat (41) are hingedly arranged, and gib head (422) can be stretched under the rotation of hook body (421)
Enter to limiting slot (20) and constitute card therewith to match, the hinged place of the hook body (421) and hinged seat (41) is equipped with described answer
Position torsional spring (43), the reduction torsion spring (43) have gib head (422) to limiting slot (20) by the elastic acting force of itself
The trend of reset；The gib head (422) is fixedly installed the force-applying piece (6) for making gib head (422) to be detached from limiting slot (20)；
It is offered a water storage cavity (30) in the flap (3), the water storage cavity (30) is connected with a water storage channel (31) simultaneously
It is connected by the water storage channel (31) with runner out (52)；
It is installed with the spiral convex rib (7) being spirally distributed in the influent stream road (51) and out runner (52), it is each described
Spiral convex rib (7) is the hollow form structure of both ends open.
2. a kind of strong shut-off valve of leakproofness according to claim 1, it is characterised in that: the force-applying piece (6) is by drawing
It restricts (61) and pull ring (62) is constituted, the drawstring (61) one end is fixedly connected with gib head (422), the other end and pull ring (62) are solid
Fixed connection.
3. a kind of strong shut-off valve of leakproofness according to claim 1, it is characterised in that: the water storage channel (31) with
The position of one end that runner (52) is connected out is higher than the position of one end that water storage channel (31) are connected with water storage cavity (30).
4. a kind of strong shut-off valve of leakproofness according to claim 1, it is characterised in that: part on the valve rod (2)
Two sides be provided with filler (81), be provided with above the filler (81) spacer ring (82), above the spacer ring (82)
It is provided with the gland (83) for squeezing filler (81), the gland (83) is provided with to be threadedly engaged with valve body (1)
Bolt, the head of the bolt and gland (83) top offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136846.6U CN209604555U (en) | 2019-01-25 | 2019-01-25 | A kind of shut-off valve that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136846.6U CN209604555U (en) | 2019-01-25 | 2019-01-25 | A kind of shut-off valve that leakproofness is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604555U true CN209604555U (en) | 2019-11-08 |
Family
ID=68402159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920136846.6U Expired - Fee Related CN209604555U (en) | 2019-01-25 | 2019-01-25 | A kind of shut-off valve that leakproofness is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555434A (en) * | 2020-12-04 | 2021-03-26 | 浙江苏正自控阀门有限公司 | Reinforced noise-proof pneumatic regulating valve |
-
2019
- 2019-01-25 CN CN201920136846.6U patent/CN209604555U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555434A (en) * | 2020-12-04 | 2021-03-26 | 浙江苏正自控阀门有限公司 | Reinforced noise-proof pneumatic regulating valve |
| CN112555434B (en) * | 2020-12-04 | 2022-09-27 | 浙江苏正自控阀门有限公司 | Reinforced noise-proof pneumatic regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |