CN208605683U - The check-valves and water system of regulating flow quantity - Google Patents
The check-valves and water system of regulating flow quantity Download PDFInfo
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- CN208605683U CN208605683U CN201821064191.8U CN201821064191U CN208605683U CN 208605683 U CN208605683 U CN 208605683U CN 201821064191 U CN201821064191 U CN 201821064191U CN 208605683 U CN208605683 U CN 208605683U
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Abstract
The utility model relates to valve technology fields, and more particularly, to the check-valves and water system of a kind of regulating flow quantity, the check-valves of regulating flow quantity includes: valve body, valve deck, valve rod, flap and handwheel；Wherein, valve body is the structure of inner hollow；Valve seat is provided in valve body, and valve body is divided into input end and outlet end by valve seat；Valve port is offered on valve seat；Flap and valve seat are rotatablely connected by shaft；Torsional spring is arranged in shaft, one end of torsional spring is connected with flap, and the other end of torsional spring is connected with valve seat；Valve deck be located on valve body, and one end of valve rod passes through valve deck and is slidably connected with flap.The check-valves of this regulating flow quantity passes through handwheel band ovable valve stem, valve rod drives flap to rotate by shaft relative to valve port, to adjust the aperture between flap and valve port, and then adjusting of the realization to valve body flow, and flap can voluntarily be located in valve port under the action of the elastic restoring force of torsional spring, the course of work is safer and more reliable.
Description
Technical field
The utility model relates to valve technology fields, check-valves more particularly, to a kind of regulating flow quantity and for water system
System.
Background technique
It is flowed and automatic open and close flap currently, check-valves refers to by medium itself, for the valve for preventing medium from flowing backwards
Door.Usual such valve is automatic work, and under the Fluid pressure effect flowed in one direction, flap is opened；Fluid negative side
To when flowing, valve seat is acted on by the flap that is overlapped certainly of Fluid pressure and flap, to cut off flowing, but the valve of such check-valves
Aperture between valve and valve port can not adjust, thus be unable to control the flow of check-valves.
Utility model content
The purpose of this utility model is to provide a kind of check-valves of regulating flow quantity and water systems, to solve existing skill
The technical issues of aperture between the flap and valve port of check-valves present in art can not adjust.
The utility model provides a kind of check-valves of regulating flow quantity, comprising: valve body, valve deck, valve rod, flap and hand
Wheel；Wherein, the valve body is the structure of inner hollow；Valve seat is provided in the valve body, and the valve seat divides the valve body
It is divided into input end and outlet end；Valve port is offered on the valve seat, the input end and the outlet end pass through the valve
Mouth is connected；The flap is arranged on the valve seat, and the flap and the valve seat are rotatablely connected by shaft, the valve
Valve can cover the valve port；Torsional spring is arranged in the shaft, one end of the torsional spring is connected with the flap, described
The other end of torsional spring is connected with the valve seat；The valve deck be located on the valve body, and one end of the valve rod passes through described
Valve deck is simultaneously connected with the flap, and the valve rod is able to drive the flap and rotates relative to the valve seat；The handwheel setting
On the valve rod.
In the above-mentioned technical solutions, further, the check-valves of the regulating flow quantity further includes link block and sliding block；
Wherein, the first dovetail groove is offered on the link block, the end of the valve rod is plugged in first dovetail groove, and described
The end of valve rod is adapted with first dovetail groove；The second dovetail groove is offered on the flap, one end of sliding shoe is embedded
In the link block, the other end of the sliding block is plugged in second dovetail groove, and the sliding block is able to drive the company
Block is connect to slide along second dovetail groove.
In any of the above-described technical solution, further, the flap includes interconnecting piece and plug division；Wherein, the company
One end of socket part is connected with the valve seat by shaft, and the torsional spring is connected with the interconnecting piece；The interconnecting piece
The other end is connected with the plug division, and the plug division can be plugged in the valve port.
In any of the above-described technical solution, further, the check-valves of the regulating flow quantity further includes sealing ring, described
Sealing ring is embedded in the outside wall surface of the plug division, and the sealing ring be located at the valve port wall surface and the plug division
Between outside wall surface.
In any of the above-described technical solution, further, the sealing ring includes rigid pad loop and flexible pad loop；
Wherein, the quantity of the rigid pad loop and the flexible pad loop is at least two；And multiple rigid pad loops
And multiple flexible pad loops are alternately distributed.
In any of the above-described technical solution, further, the check-valves of the regulating flow quantity further includes two filter screens,
One of them described filter screen is embedded on the inner wall of the input end, another described filter screen is embedded in the outlet end
On inner wall.
In any of the above-described technical solution, further, the first limit of annular is offered on the inner wall of the input end
Slot, the edge of one of them filter screen are plugged in first limiting slot；Ring is offered on the inner wall of the outlet end
Second limiting slot of shape, the edge of another filter screen are plugged in second limiting slot.
In any of the above-described technical solution, further, the check-valves of the regulating flow quantity further includes gland and leads
Xiang Huan；Wherein, one end of the gland is plugged in the valve deck, and the valve rod passes through the gland；The guide ring is embedding
It is located between the valve deck and the valve body, and the valve rod passes through the guide ring.
In any of the above-described technical solution, further, the check-valves of the regulating flow quantity further include first flange with
And second flange；Wherein, first flange is set in the outside wall surface of the input end；It is described out that the second flange is arranged son
In the outside wall surface at mouth end.
The utility model additionally provides a kind of water system, including regulating flow quantity described in any of the above-described technical solution
Check-valves, thus, whole advantageous effects with the device, here, repeating no more.
Compared with prior art, the utility model has the following beneficial effects:
The check-valves of regulating flow quantity provided by the utility model, including valve body, valve deck, valve rod, flap and handwheel,
In, valve body is the structure of inner hollow, it is provided with valve seat in valve body, and valve body is divided into input end and outlet end by valve seat,
Valve port is offered on valve seat, input end and outlet end are connected by valve port, and flap is arranged on valve seat, and flap and valve seat
It is rotatablely connected by shaft, valve deck be located on valve body, and one end of valve rod passes through valve deck and is slidably connected with flap, when flap seals
When covering valve port, liquid is obstructed by flap, and the liquid of outlet end impacts flap away from the side of valve port from flap, thus is made
It obtains flap to be closely fit with valve port, plays the role of sealing non-return fluid, when valve rod drives flap rotation and generates with valve port
When aperture, liquid successively passes through input end, valve port, is finally flowed out again by outlet end, that is, realizes the circulation of liquid.Wherein, valve
Valve and valve seat are rotatablely connected, and are arranged with torsional spring in shaft, one end of torsional spring is connected with flap, the other end and the valve seat phase of torsional spring
Connection, when this check-valves open work when, flap with respect to shaft rotation, torsional spring produces flexible deformation at this time, when fluid gradually
After the discharge of this check-valves, under the action of the elastic-restoring force of torsional spring, flap is returned to original position again, i.e., is fastened on valve again
At mouthful, so that valve port be covered.Wherein, handwheel is arranged on valve rod, facilitates the aperture of user's manual modulation valve valve and valve port.
The opening process of the check-valves of this regulating flow quantity are as follows: operator holds handwheel and moves up with ovable valve stem, valve
Drive flap with respect to valve port rotation while bar moves up, so that generate aperture between flap and valve port, fluid is from input end
It flows into valve body, then outlet end is flowed by valve port, check-valves is finally flowed out by outlet end again, and flow into the pipe of check-valves side
Road, torsional spring is in the state compressed in the process；The process of the closure of check ring of this regulating flow quantity are as follows: fluid passes through completely
After check-valves, flap is rotated under the action of the elastic-restoring force of torsional spring towards valve port, and is fastened in valve port, to realize
The closing of this valve, wherein the liquid in outlet end impacts flap far from the side of valve port from flap so that flap by
To the pressure towards valve port, so that flap can be fastened in valve port, and then to outlet end and outlet strongerly
The liquid in connected pipeline is held to play the role of non-return.Certainly, the check-valves of this regulating flow quantity can also be according to fluid stream
Enter voluntarily to push after input end flap opposite valve seat to rotate so that generate aperture before flap and valve port, fluid again from valve port from
Row flows into outlet end.
As it can be seen that the check-valves of this regulating flow quantity, by handwheel band ovable valve stem, valve rod drives flap around shaft with respect to valve
Mouth rotation to adjust the aperture between flap and valve port, and then realizes the adjusting to valve body flow, and flap is in the bullet of torsional spring
It can voluntarily be located in valve port under the action of property restoring force, the course of work is safer and more reliable.Certainly, this regulating flow quantity
Check-valves check-valves is not limited only to this control to fluid, it may also be used for gas etc..
Water system provided by the utility model, the check-valves including regulating flow quantity described above, this check-valves energy
The aperture for enough controlling flap and valve port, to adjust the flow of fluid, after adjusting, valve can also automatically reset closing, work
It is safer and more reliable to make process.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the check-valves of regulating flow quantity provided by the embodiment of the utility model；
Fig. 2 is enlarged structure schematic diagram of the Fig. 1 at A；
Fig. 3 is enlarged structure schematic diagram of the Fig. 1 at B；
Fig. 4 is seal ring structure schematic diagram provided by the embodiment of the utility model.
Appended drawing reference:
1- valve body, 101- input end, the outlet end 102-, 103- valve seat, 2- valve deck, 3- valve rod, 4- flap, 401- connection
Portion, the plug division 402-, 5- handwheel, 6- shaft, 7- torsional spring, 8- link block, the first dovetail groove of 801-, the second dovetail groove of 802-, 9-
Sliding block, 10- sealing ring, 1001- rigid pad loop, 1002- flexible pad loop, the first filter screen of 11-, the second filter screen of 12-,
13- gland, 14- guide ring, 15- first flange, 16- second flange.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different
Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings
In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.
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.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to the check-valves of Fig. 1 to Fig. 4 description regulating flow quantity according to some embodiments of the utility model
And water system.
Referring to shown in Fig. 1 to Fig. 3, the embodiments of the present invention provide a kind of check-valves of regulating flow quantity, comprising:
Valve body 1, valve deck 2, valve rod 3, flap 4 and handwheel 5；Wherein, the valve body 1 is the structure of inner hollow；It is set in the valve body 1
It is equipped with valve seat 103, and the valve body 1 is divided into input end 101 and outlet end 102 by the valve seat 103；The valve seat 103
On offer valve port, the input end 101 and the outlet end 102 are connected by the valve port；The setting of flap 4 exists
On the valve seat 103, and the flap 4 is rotatablely connected with the valve seat 103 by shaft 6, and the flap 4 can cover
The valve port；Torsional spring 7 is arranged in the shaft 6, one end of the torsional spring 7 is connected with the flap 4, the torsional spring 7
The other end is connected with the valve seat 103；The valve deck 2 be located on the valve body 1, and one end of the valve rod 3 passes through described
Valve deck 2 is simultaneously connected with the flap 4, and the valve rod 3 is able to drive the flap 4 and rotates relative to the valve seat 103；It is described
Handwheel 5 is arranged on the valve rod 3.
The check-valves for the regulating flow quantity that the embodiments of the present invention provide, including valve body 1, valve deck 2, valve rod 3, flap
4 and handwheel 5, wherein valve body 1 is the structure of inner hollow, is provided with valve seat 103 in valve body 1, and valve seat 103 divides valve body 1
It is divided into input end 101 and outlet end 102, valve port is offered on valve seat 103, input end 101 and outlet end 102 pass through valve
Mouth is connected, and flap 4 is arranged on valve seat 103, and flap 4 is rotatablely connected with valve seat 103 by shaft 6, and valve deck 2 be located in
On valve body 1, one end of valve rod 3 passes through valve deck 2 and is slidably connected with flap 4, and when flap 4 covers valve port, liquid is by flap 4
It is obstructed, and the liquid of outlet end 102 impacts flap 4 away from the side of valve port from flap 4, so that flap 4 and valve port are tight
Thickly cooperate, play the role of seal non-return fluid, when valve rod 3 drive flap 4 rotation and with valve port generate aperture when, liquid according to
It is secondary to pass through input end 101, valve port, it is finally flowed out again by outlet end 102, that is, realizes the circulation of liquid.Wherein, flap 4 and valve
Seat 103 is rotatablely connected, and is arranged with torsional spring 7 in shaft 6, one end of torsional spring 7 is connected with flap 4, the other end and valve seat of torsional spring 7
103 are connected, and when this check-valves opens work, flap 4 is rotated relative to shaft 6, and torsional spring 7 produces flexible deformation at this time, when
Fluid is gradually after the discharge of this check-valves, and under the action of the elastic-restoring force of torsional spring 7, flap 4 is returned to original position again, i.e.,
Again it is fastened at valve port, so that valve port be covered.Wherein, handwheel 5 is arranged on valve rod 3, facilitates user's manual modulation valve
The aperture of valve 4 and valve port.
The opening process of the check-valves of this regulating flow quantity are as follows: operator holds handwheel 5 and moves up with ovable valve stem 3,
Drive flap 4 with respect to valve port rotation while valve rod 3 moves up so that generate aperture between flap 4 and valve port, fluid from into
Mouth end 101 flows into valve body 1, then flows into outlet end 102 by valve port, finally flows out check-valves by outlet end 102 again, and flow into and stop
The pipeline of valve side is returned, torsional spring 7 is in the state compressed in the process；The process of the closure of check ring of this regulating flow quantity,
After fluid passes through check-valves completely, flap 4 is rotated under the action of the elastic-restoring force of torsional spring 7 towards valve port, and is fastened on
In valve port, to realize the closing of this valve, wherein side of the liquid from flap 4 far from valve port in outlet end 102
Flap 4 is impacted, so that flap 4 is by the pressure towards valve port, so that flap 4 can be fastened on valve port strongerly
It is interior, and then the liquid in the pipeline connected to outlet end 102 and outlet end 102 plays the role of non-return.Certainly, originally may be used
The check-valves for adjusting flow can also flow into after input end 101 according to fluid voluntarily pushes 4 opposite valve seat of flap to rotate, so that flap
4 generate aperture before with valve port, and fluid voluntarily flows into outlet end 102 from valve port again.
As it can be seen that the check-valves of this regulating flow quantity passes through handwheel 5 with ovable valve stem 3, valve rod 3 drives flap 4 around 6 phase of shaft
Valve port is rotated, to adjust the aperture between flap 4 and valve port, and then realizes the adjusting to 1 flow of valve body, and flap 4 exists
It can voluntarily be located in valve port under the action of the elastic-restoring force of torsional spring 7, the course of work is safer and more reliable.
Wherein, optionally, handwheel 5 is arranged on one end of separate flap 4 of valve rod 3, holds convenient for operator.
Wherein, optionally, valve rod 3 is slidably connected with flap 4, so that during valve rod 3 moves straight up, flap 4
Valve rod 3 can be followed to move upwards, and opposite valve seat 103 rotates.
In one embodiment of the utility model, it is preferable that as depicted in figs. 1 and 2, the check-valves of regulating flow quantity is also
Including link block 8 and sliding block 9；Wherein, the first dovetail groove 801 is offered on link block 8, the end of valve rod 3 is plugged in first
In dovetail groove 801, and the end of valve rod 3 is adapted with the first dovetail groove 801；The second dovetail groove 802 is offered on flap 4, it is sliding
One end of motion block is embedded in link block 8, and the other end of sliding block 9 is plugged in the second dovetail groove 802,9 company of being able to drive of sliding block
Block 8 is connect to slide along the second dovetail groove 802.
In this embodiment, one end of valve rod 3 is plugged in the first dovetail groove 801 of link block 8, and valve rod 3 and first
801 phase of dovetail groove is connected together, and further prevents valve rod 3 to be detached from out of first dovetail groove 801 during moving up, makes
It obtains the two and connects more stable.Link block 8 is slidably connected with flap 4 by sliding block 9 again so that when handwheel 5 with ovable valve stem 3 to
When upper movement, valve rod 3 is able to drive link block 8 and moves upwards, and link block 8 and then again band movable slider 9 are in the second dovetail groove 802
Sliding, while link block 8 drives flap 4 with respect to valve port rotating opening, in addition, valve rod 3, link block 8 and flap 4 are detachable
Structure, it is convenient to overhaul and replacement etc..
In one embodiment of the utility model, it is preferable that as depicted in figs. 1 and 2, flap 4 includes 401 He of interconnecting piece
Plug division 402；Wherein, one end of interconnecting piece 401 is connected with valve seat 103 by shaft 6, and torsional spring 7 and 401 phase of interconnecting piece
Connection；The other end of interconnecting piece 401 is connected with plug division 402, and plug division 402 can be plugged in valve port.
In this embodiment, interconnecting piece 401 is connected with plug division 402, and interconnecting piece 401 and valve seat 103 are rotatablely connected,
One end of torsional spring 7 is connected with interconnecting piece 401, and plug division 402 is plugged in valve port, plays the role of sealing valve port, wherein
Interconnecting piece 401 is able to drive plug division 402 and rotates relative to valve port.Wherein, optionally, interconnecting piece 401 and plug division 402 are one
Body formula structure, or both by welding etc. modes be connected；Interconnecting piece 401 is bending plate structure；Plug division 402 is tabular
Structure.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, Figure 2 and shown in Fig. 4, regulating flow quantity
Check-valves further includes sealing ring 10, and sealing ring 10 is embedded in the outside wall surface of plug division 402, and sealing ring 10 is located at the wall of valve port
Between face and the outside wall surface of plug division 402.
In this embodiment, sealing ring 10 is embedded in the outside wall surface of plug division 402, and sealing ring 10 is located at the wall of valve port
Between face and the outside wall surface of plug division 402, sealing ring 10 plays the role of sealing to flap 4 and valve port, prevents this adjustable throttling
Flap 4 matches place's leak with valve port when the closure of check ring of amount.Wherein, optionally, sealing ring 10 can be also embedded in valve port
On wall surface.
In one embodiment of the utility model, it is preferable that as shown in Figure 2 and Figure 4, sealing ring 10 includes rigid gasket
Ring 1001 and flexible pad loop 1002；Wherein, the quantity of rigid pad loop 1001 and flexible pad loop 1002 is at least
Two；And multiple rigid pad loops 1001 and multiple flexible pad loops 1002 are alternately distributed.
In this embodiment, sealing ring 10 include rigid pad loop 1001 and flexible pad loop 1002, rigid gasket with
Flexible gasket is alternately distributed, and in the impact force by media such as fluids, flexible pad loop 1002 plays the role of buffering, is reduced
For medium to the impact force of sealing ring 10, rigid pad loop 1001 plays the role of support, when sealing ring 10 is impacted, energy
Guarantee that sealing ring 10 will not deform, so that sealing ring 10 always can be inconsistent with flap 4, in addition, sealing ring 10 makes valve
Sealing effect between valve 4 and valve port is more preferable.
In one embodiment of the utility model, it is preferable that as shown in figures 1 and 3, the check-valves of regulating flow quantity is also
Including two filter screens (i.e. the first filter screen 11 and the second filter screen 12), wherein the first filter screen 11 is embedded in input end 101
Inner wall on, the second filter screen 12 is embedded on the inner wall of outlet end 102.
In this embodiment, the first filter screen embedding 11 is located on the inner wall of input end 101, and the second filter screen embedding 12 is located at out
On the inner wall at mouth end 102, the first filter screen 11 and the second filter screen 12 can filter out the intracorporal impurity of stream, prevent impurity from hindering
Fill in the check-valves of this regulating flow quantity, in addition, two filter screens are located at outlet end 102 and input end 101, be easily installed with
And disassembly.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, being offered on the inner wall of input end 101
First limiting slot of annular, wherein the edge of the first filter screen 11 is plugged in the first limiting slot；It is opened on the inner wall of outlet end 102
The second limiting slot equipped with annular, the edge of the second filter screen 12 is plugged in the second limiting slot.
In this embodiment, wherein the edge of the first filter screen 11 is plugged in the first limiting slot；The inner wall of outlet end 102
On offer annular the second limiting slot, the edge of the second filter screen 12 is plugged in the second limiting slot, so that two filter screens
It is mounted so as to stronger, avoids filter screen and loosened under the percussion of fluid, or even washed away by fluid.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the check-valves of regulating flow quantity further includes
Gland 13 and guide ring 14；Wherein, one end of gland 13 is plugged in valve deck 2, and valve rod 3 passes through gland 13；Guide ring 14
It is embedded between valve deck 2 and valve body 1, and valve rod 3 passes through guide ring 14.
In this embodiment, one end of gland 13 is plugged in valve deck 2, and valve rod 3 passes through gland 13, and valve rod 3 passes through pressure
Lid 13 cooperates closer with valve deck 2, prevents that gap is revealed.Guide ring 14 is embedded between valve deck 2 and valve body 1, guiding
Ring 14 plays the role of being oriented to valve rod 3.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the check-valves of regulating flow quantity further includes
First flange 15 and second flange 16；Wherein, first flange 15 is set in the outside wall surface of input end 101；Second flange 16
It is arranged in the outside wall surface of sub- outlet end 102.
In this embodiment, the check-valves of regulating flow quantity can also pass through first flange 15 and second flange 16 respectively
It is connected with corresponding pipeline or shut-off valve is fixed on other component by first flange 15 and second flange 16.Its
In, optionally, first flange 15 and second flange 16 are split type structure with valve body 1 or are an integral structure.
The embodiments of the present invention also provide a kind of water system, including adjustable throttling described in any of the above-described embodiment
The check-valves of amount, thus, whole advantageous effects with the device, here, repeating no more.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of check-valves of regulating flow quantity characterized by comprising valve body, valve deck, valve rod, flap and handwheel；
Wherein, the valve body is the structure of inner hollow；Valve seat is provided in the valve body, and the valve seat divides the valve body
It is divided into input end and outlet end；Valve port is offered on the valve seat, the input end and the outlet end pass through the valve
Mouth is connected；The flap is arranged on the valve seat, and the flap and the valve seat are rotatablely connected by shaft, the valve
Valve can cover the valve port；Torsional spring is arranged in the shaft, one end of the torsional spring is connected with the flap, described
The other end of torsional spring is connected with the valve seat；The valve deck be located on the valve body, and one end of the valve rod passes through described
Valve deck is simultaneously slidably connected with the flap, and the valve rod is able to drive the flap and rotates relative to the valve seat；The handwheel is set
It sets on the valve rod.
2. the check-valves of regulating flow quantity according to claim 1, which is characterized in that further include link block and sliding block；
Wherein, the first dovetail groove is offered on the link block, the end of the valve rod is plugged in first dovetail groove, and described
The end of valve rod is adapted with first dovetail groove；The second dovetail groove is offered on the flap, one end of sliding shoe is embedded
In the link block, the other end of the sliding block is plugged in second dovetail groove, and the sliding block is able to drive the company
Block is connect to slide along second dovetail groove.
3. the check-valves of regulating flow quantity according to claim 2, which is characterized in that the flap includes interconnecting piece and inserts
Socket part；Wherein, one end of the interconnecting piece is connected with the valve seat by shaft, and the torsional spring is connected with the interconnecting piece
It connects；The other end of the interconnecting piece is connected with the plug division, and the plug division can be plugged in the valve port.
4. the check-valves of regulating flow quantity according to claim 3, which is characterized in that it further include sealing ring, the sealing
Ring is embedded in the outside wall surface of the plug division, and the sealing ring is located at the wall surface of the valve port and the outer wall of the plug division
Between face.
5. the check-valves of regulating flow quantity according to claim 4, which is characterized in that the sealing ring includes rigid gasket
Ring and flexible pad loop；Wherein, the quantity of the rigid pad loop and the flexible pad loop is at least two；And it is more
A rigid pad loop and multiple flexible pad loops are alternately distributed.
6. the check-valves of regulating flow quantity according to any one of claim 1 to 5, which is characterized in that further include two
Filter screen, one of them described filter screen are embedded on the inner wall of the input end, another described filter screen is embedded described
On the inner wall of outlet end.
7. the check-valves of regulating flow quantity according to claim 6, which is characterized in that opened up on the inner wall of the input end
There is the first limiting slot of annular, the edge of one of them filter screen is plugged in first limiting slot；The outlet end
Inner wall on offer annular the second limiting slot, the edge of another filter screen is plugged in second limiting slot.
8. the check-valves of regulating flow quantity according to any one of claim 1 to 5, which is characterized in that further include gland
And guide ring；Wherein, one end of the gland is plugged in the valve deck, and the valve rod passes through the gland；It is described to lead
It is embedded between the valve deck and the valve body to ring, and the valve rod passes through the guide ring.
9. the check-valves of regulating flow quantity according to any one of claim 1 to 5, which is characterized in that further include first
Flange and second flange；Wherein, first flange is set in the outside wall surface of the input end；The second flange is arranged son
In the outside wall surface of the outlet end.
10. a kind of water system, which is characterized in that the non-return including regulating flow quantity described in any one of claims 1 to 9
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064191.8U CN208605683U (en) | 2018-07-05 | 2018-07-05 | The check-valves and water system of regulating flow quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064191.8U CN208605683U (en) | 2018-07-05 | 2018-07-05 | The check-valves and water system of regulating flow quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605683U true CN208605683U (en) | 2019-03-15 |
Family
ID=65669349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821064191.8U Expired - Fee Related CN208605683U (en) | 2018-07-05 | 2018-07-05 | The check-valves and water system of regulating flow quantity |
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| Country | Link |
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| CN (1) | CN208605683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728128A (en) * | 2020-12-24 | 2021-04-30 | 江苏凯奥机械制造有限公司 | Petroleum valve with automatic opening and closing function |
| CN113738925A (en) * | 2021-08-25 | 2021-12-03 | 浙江大学 | Valve rod clamping stagnation preventing assembly, valve rod clamping stagnation preventing valve structure and method |
-
2018
- 2018-07-05 CN CN201821064191.8U patent/CN208605683U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728128A (en) * | 2020-12-24 | 2021-04-30 | 江苏凯奥机械制造有限公司 | Petroleum valve with automatic opening and closing function |
| CN113738925A (en) * | 2021-08-25 | 2021-12-03 | 浙江大学 | Valve rod clamping stagnation preventing assembly, valve rod clamping stagnation preventing valve structure and method |
| CN113738925B (en) * | 2021-08-25 | 2022-05-13 | 浙江大学 | Valve rod clamping stagnation preventing assembly, valve rod clamping stagnation preventing valve structure and method |
| WO2023025163A1 (en) * | 2021-08-25 | 2023-03-02 | 浙江大学 | Assembly for preventing clamping stagnation of valve rod, and valve structure and method for preventing clamping stagnation of valve rod |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |