CN108692048B - Gate valve - Google Patents
Gate valve Download PDFInfo
- Publication number
- CN108692048B CN108692048B CN201810343989.4A CN201810343989A CN108692048B CN 108692048 B CN108692048 B CN 108692048B CN 201810343989 A CN201810343989 A CN 201810343989A CN 108692048 B CN108692048 B CN 108692048B
- Authority
- CN
- China
- Prior art keywords
- plate
- valve
- valve plate
- groove
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/029—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with two or more gates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
- F16K3/188—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of hydraulic forces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of gate valves, including valve body, the valve body is equipped with main valve plate, the valve body is provided with the slideway mobile for main valve plate, the slideway is fixedly connected with sealing ring, the main valve plate is equipped with the driving screw being threadedly coupled with main valve plate, the driving screw is socketed with the bearing being fixedly connected with the valve body, the driving screw is socketed with master gear, the master gear is engaged with from gear, it is described that be fixedly connected with from gear first is equipped with from gear from screw rod, described first from screw rod be arranged with first connect from screw flight first from valve plate, the radius for being less than master gear from the radius of gear, described first is greater than the screw pitch of driving screw from the screw pitch of screw rod.There is prevention water flow to leak out from main valve body for it, and play the role of multilayer protection.
Description
Technical field
The present invention relates to valve technology field, in particular to a kind of gate valve.
Background technique
Gate valve is presently the most important a kind of valve, be widely used in the circulations of the media such as liquid, gas, dust with
Cut-off.In general, gate valve includes valve body, valve body lower portion has inlet port and outlet port, and the right side of the left end of feed inlet and discharge port
End all have sealing surface, between two sealing surfaces dynamic sealing cooperate equipped with the main valve plate that can be moved up and down and will not rotate.
The valve plate top is connected with valve rod simultaneously, which is connected with handle by leading screw and nut mechanism.After rotatable handle, pass through
Leading screw and nut mechanism band ovable valve stem moves up and down, and then the valve plate, which is moved up and down, forms sealing to two sealing inclined-planes or beat
It opens, ultimately forms the perforation or cut-off of inlet port and outlet port.
Because gate valve is chiefly used on jet chimney, due to being worst hot case, easily cause between each part of valve seal mechanism
Part deformation causes valve seal to fail, or chokes flap because of high-temperature expansion and do not open, in addition in the prior art
There is double valve plates gate valve, is contradicted between two valve plates by spring, the sealing between realization flap and valve seat, however the bullet of spring
Property power can passage at any time and gradually eliminate, there is unstable situation in the sealing also resulted between valve plate and valve seat.
Therefore in order to cope with burst accident when, need that one protective device in addition be arranged, cut off pipeline in flow
The effect of body, and there is no this devices at present, have much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of gate valves, and there is prevention water flow to leak out from main valve body, and play multilayer guarantor
The effect of shield.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of gate valve, including valve body, the valve body are equipped with main valve plate, and the valve body is provided with mobile for main valve plate
Slideway, the slideway are fixedly connected with sealing ring, and the main valve plate is equipped with the driving screw being threadedly coupled with main valve plate, the master
Screw rod is socketed with the bearing being fixedly connected with the valve body, and the driving screw is socketed with master gear, the master gear be engaged with first from
Gear, described first is equipped with and first is fixedly connected from gear first is arranged from screw rod, described first from screw rod from gear
Have with first connect from screw flight first from valve plate, described first is less than the radius of master gear from the radius of gear, described
First is greater than the screw pitch of driving screw from the screw pitch of screw rod.
By using above-mentioned technical proposal, the movement of only one valve plate of the tube wall of gate valve at present is single when flow velocity is too fast
The impact force that one valve plate is subject to is larger, larger to the impact of the fixture of valve plate and valve plate, be easy to cause unrepairable
Damage.Therefore rotation the first rotation from gear of drive of master gear is driven by driving driving screw rotation, first from tooth
The rotation of wheel drives first to rotate from screw rod around the axial line of itself and then drive the first movement from valve plate, during this
Main valve plate also will receive the driving of driving screw and move.First moved together from valve plate and main valve plate can reduce main valve plate by
Impact force, extend the service life of main valve plate.The movement speed of other first point of valve plate is greater than the movement speed of main valve plate, energy
It is enough to play the role of being closed valve body prior to main valve plate.
The present invention is further arranged to: the master gear is engaged with second from gear, described second from gear be equipped with
Second be fixedly connected from gear second from screw rod, second from screw rod be socketed with second connect from screw flight second from valve
Plate, described second is less than the radius of master gear from the radius of gear, and described second is greater than the screw pitch of driving screw from the screw pitch of screw rod.
By using above-mentioned technical proposal, after connection defective tightness between main valve plate and valve body, liquid can be from main valve
Gap between plate and valve body is flowed through, and the second servo valve plays the role of second and protects again, this partially liq is avoided to pass through
Second servo valve enhances the Truncation of valve body entirety.
The present invention is further arranged to: it is mobile from valve plate and second from valve plate that the valve body is separately provided for first
Slideway.
By using above-mentioned technical proposal, slideway can play stable effect, avoid first from valve plate and second from valve
The sliding of plate generates offset.
The present invention is further arranged to: the valve body, which is provided with, is respectively used to accommodate first from valve plate and second from valve plate
Holding tank, the slot bottom of the holding tank are connected with guide rod, and described first is respectively arranged with from valve plate and second from valve plate
Accommodate the guide groove of guide rod.
By using above-mentioned technical proposal, the cooperation of guide rod and guide groove can play the role of guidance, meanwhile, guiding
The clamping of bar and guide groove can enhance first from valve plate and second from valve plate stability.
The present invention is further arranged to: fluted, the valve is arranged second in the valve body between valve plate and main valve plate
Body is provided with to be connected to and opening area is greater than the extension slot of groove with groove, and the slot bottom of the extension slot is fixedly connected with around prolonging
The sealing ring of slot slot bottom circumferencial direction is stretched, the slot bottom of the groove is fixedly connected with telescopic cylinder, one end of the telescopic cylinder
It is fixedly connected with the second closed plate, second closed plate is connected with the first closed plate that area is greater than the second closed plate,
The cell wall of groove is provided with the drainage hole being connected to groove.
By using above-mentioned technical proposal, some liquid can be detained between valve plate and main valve plate first, at this point, driving
It is mobile towards the direction far from telescopic cylinder that telescopic cylinder drives the first closed plate and the second closed plate, and then this part water is allowed to flow into
Groove is flowed out in groove and along drainage hole.
The present invention is further arranged to: the telescopic cylinder includes piston rod, the piston rod be connected with relative to
The inclined arc panel of piston rod, the arc panel squeeze the cell wall of groove far from the side of piston rod.
By using above-mentioned technical proposal, the presence of arc panel can play the work for protecting telescopic cylinder from corroded by liquid
With.
The present invention is further arranged to: fluted, the valve is arranged first in the valve body between valve plate and main valve plate
Body is provided with to be connected to and opening area is greater than the extension slot of groove with groove, and the slot bottom of the extension slot is fixedly connected with around prolonging
The sealing ring of slot slot bottom circumferencial direction is stretched, the slot bottom of the groove is fixedly connected with telescopic cylinder, one end of the telescopic cylinder
It is fixedly connected with the second closed plate, second closed plate is connected with the first closed plate that area is greater than the second closed plate,
The cell wall of groove is provided with the drainage hole being connected to groove.
By using above-mentioned technical proposal, some liquid can be detained between valve plate and main valve plate second, at this point, driving
It is mobile towards the direction far from telescopic cylinder that telescopic cylinder drives the first closed plate and the second closed plate, and then this part water is allowed to flow into
Groove is flowed out in groove and along drainage hole.
The present invention is further arranged to: the valve body is provided in second between valve plate and main valve plate and close to main valve
The recessed groove of plate, the slot bottom of the recessed groove are provided with pressure sensor, and the cell wall of the recessed groove is provided with to be connected with recessed groove
Logical drainage channel, the valve body are provided with the closure member of closing drainage channel.
By using above-mentioned technical proposal, after the gap trickle between main valve plate and valve body, liquid can flow to recess
In slot, pressure sensor will experience pressure change, closure member will not close drainage channel and allow this partially liq from
It flows away in drainage channel.
The present invention is further arranged to: the closure member includes the small cylinder being fixedly connected with the valve body, the small-sized gas
Cylinder is connected with the closure plate of closing drainage channel, and the area of the closure plate is greater than the cross section of drainage channel.
By using above-mentioned technical proposal, closed plate can preferably play the role of closing drainage channel.
The present invention is further arranged to: described first includes two connecting plates from valve plate, is connected between the connecting plate
Stripper plate, two connecting plates are connected with mounting plate, and the stripper plate is connected with the extruding cylinder being fixedly connected with mounting plate.
By using above-mentioned technical proposal, when first from the cross section of valve plate closed valve after, stripper plate is squeezed gas
The driving of cylinder and make two connecting plates mobile towards the direction being located remotely from each other and then enhance the bonding strength between connecting plate and valve body.
In conclusion the invention has the following advantages:
The movement of only one valve plate of the tube wall of gate valve at present, when flow velocity is too fast, impact force that single valve plate is subject to compared with
Greatly, larger to the impact of the fixture of valve plate and valve plate, it be easy to cause unrepairable to damage.Therefore by driving main spiral shell
Bar rotation drives the rotation of master gear and then drives the first rotation from gear, and first drives from the rotation of gear first from screw rod
Axial line around itself rotates and then drives the first movement from valve plate, and main valve plate also will receive driving screw during this
It drives and moves.First moves together the impact force that can reduce main valve plate and be subject to from valve plate and main valve plate, extends main valve plate
Service life.The movement speed of other first point of valve plate is greater than the movement speed of main valve plate, and closure can be played prior to main valve plate
The effect of valve body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is that embodiment removes the structural schematic diagram after valve body；
Fig. 3 is the perspective view of embodiment；
Fig. 4 is the partial enlarged view of a-quadrant in Fig. 3；
Fig. 5 is the partial enlarged view of B area in Fig. 3；
Fig. 6 is the structural schematic diagram at another visual angle of Fig. 2.
Appended drawing reference: 1, valve body；2, main valve plate；3, slideway；4, sealing ring；5, driving screw；6, bearing；7, master gear；8,
First from gear；9, first from screw rod；10, second from screw rod；11, second from gear；12, second from valve plate；13, first from valve
Plate；14, holding tank；15, horizontal tube；16, vertical pipe；17, groove；18, extension slot；19, mounting plate；20, telescopic cylinder；21,
First closed plate；22, the second closed plate；23, drainage hole；24, arc panel；25, recessed groove；26, pressure sensor；27, it drains
Channel；28, small cylinder；29, closure plate；30, connecting plate；31, stripper plate；32, cylinder is squeezed；33, piston rod；34, handle.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of gate valve, as shown in Figure 1, Figure 2 and Figure 3, including valve body 1.Valve body 1 includes interconnected horizontal tube 15 and erects
Straight tube 16.Vertical pipe 16 is equipped with driving screw 5 identical with 16 length direction of vertical pipe.Driving screw 5 is in outside vertical pipe 16
One end is fixedly connected with handle 34.Handle 34 is rotated around the axial line of itself, is not moved relative to valve body 1.Main spiral shell
Bar 5 is connected with main valve plate 2 far from the threaded one end of handle 34.Main valve plate 2 is in horizontal tube 15.Setting is useful in horizontal tube 15
In the slideway 3 for accommodating main valve plate 2 and agreeing with main valve plate 2.Slideway 3 can limit the rotation of main valve plate 2, but can allow main valve plate 2
It is moved along the length direction of driving screw 5.Therefore it is mobile to be able to drive main valve plate 2 for the rotation of driving screw 5.Driving screw 5 is socketed with
The bearing 6 being fixedly connected with valve body 1.
As shown in Figure 2 and Figure 6, driving screw 5 is socketed with master gear 7, and master gear 7 is engaged with first from gear 8.First from tooth
The radius of wheel 8 is less than the radius of master gear 7, therefore the angular speed that master gear 7 rotates will be fast from the angle that gear 8 rotates less than first
Degree.First is equipped with first from screw rod 9 from the fixation of gear 8.First is socketed with from screw rod 9 and to be threadedly coupled with first from screw rod 9
First from valve plate 13.First is in horizontal tube 15 from valve plate 13 and is provided in horizontal tube 15 for accommodating first from valve plate
13 slideway 3.By water (flow) direction, first is in the side of main valve plate 2 from valve plate 13, and water flow first passes through first and passes through again from valve plate 13
Cross main valve plate 2.The rotation of master gear 7 will will drive the first rotation from gear 8, and the angular speed that first rotates from gear 8 is big
In the rotational angular velocity of master gear 7, other the first screw pitch for being greater than driving screw 5 from the screw pitch of screw rod 9, therefore first from screw rod 9
It will be greater than the movement speed of driving screw 5 along the movement speed of self-axis line.
As shown in figure 3, the bottom of valve body 1 is provided with the holding tank 14 of recess.First can be caught in holding tank 14 from valve plate 13
It is interior.The slot bottom of holding tank 14 is connected with the guide rod perpendicular to 14 slot bottom of holding tank, and first from valve plate 13 towards guide rod
Side be provided with guide rod clamping guide groove.Guide rod and guide groove be able to cooperate can allow first from valve plate 13 steadily
It is moved in holding tank 14.
As shown in Figure 3 and Figure 6, it first is provided between valve plate 13 and valve body 1 for limiting liquid from first from valve plate
The sealing ring 4 that gap between 13 and valve body 1 is flowed through.First includes two connecting plates 30 relatively disposed in parallel from valve plate 13,
Two connecting plates 30 are connected with mounting plate 19, are connected between two connecting plates 30 and are provided with stripper plate 31.Stripper plate 31 connects
There is the extruding cylinder 32 being fixedly connected with mounting plate 19.After first is in slideway 3 from valve plate 13, squeezes the driving of cylinder 32 and squeeze
Pressing plate 31 is mobile, and stripper plate 31 will squeeze two connecting plates 30 and then reinforce the bonding strength of connecting plate 30 and sealing ring 4.
As shown in Fig. 3, Fig. 4 and Fig. 5, first is arranged fluted 17 between valve plate 13 and main valve plate 2, the slot bottom of groove 17
It is fixedly connected with telescopic cylinder 20, one end of telescopic cylinder 20 is fixedly connected with the second closed plate 22, the setting of the second closed plate 22
To be discoid, the second closed plate 22 is fixedly connected with the first closed plate 21, the first closed plate 21 far from the side of telescopic cylinder 20
Area be greater than the second closed plate 22, valve body 1 be provided be connected to groove 17 and opening area greater than groove 17 extension slot 18,
The slot bottom of extension slot 18 is fixedly connected with the sealing ring 4 around 18 slot bottom circumferencial direction of extension slot, the area of the first closed plate 21
Identical as the opening area of extension slot 18, the area of the second closed plate 22 is identical as the opening area of groove 17.Telescopic cylinder 20
The flexible connection and separation that groove 17 Yu valve body 1 may be implemented.Groove 17 is provided with the drainage hole 23 being connected to groove 17, when
First after 2 closed valve 1 of valve plate 13 and main valve plate, and telescopic cylinder 20 allows groove 17 to be connected to the inside of valve body 1 and then allows water
Divide and flows away from drainage hole 23.In addition telescopic cylinder 20 includes piston rod 33.Piston rod 33 is connected with relative to piston rod
33 inclined arc panels 24, arc panel 24 squeezes the cell wall of groove 17 far from the side of piston rod 33, therefore moisture does not pass through
Gap between arc panel 24 and the cell wall of groove 17, and drainage can be played the role of.
As shown in Fig. 3, Fig. 4 and Fig. 5, master gear 7 is engaged with second and is less than master from the radius of gear 11 from gear 11, second
The radius of gear 7, therefore the angular speed that the angular speed of the rotation of master gear 7 will be rotated less than second from gear 11.Second from gear
11 fixations are equipped with second from screw rod 10.Second from screw rod 10 be socketed with second be threadedly coupled from screw rod 10 second from valve plate
12.Second is in horizontal tube 15 from valve plate 12 and is provided in horizontal tube 15 for accommodating the second slideway 3 from valve plate 12.
By water (flow) direction, second is in the side of main valve plate 2 from valve plate 12, and water flow first passes through second from valve plate 12 using main valve plate 2.
The rotation of master gear 7 will will drive the second rotation from gear 11, and the second angular speed rotated from gear 11 is greater than master gear 7
Rotational angular velocity, in addition second from the screw pitch of screw rod 10 be greater than driving screw 5 screw pitch, therefore second from screw rod 10 along itself axis
The movement speed of heart line will be greater than the movement speed of driving screw 5.
As shown in Fig. 3, Fig. 4 and Fig. 5, the bottom of valve body 1 is provided with the holding tank 14 of recess.Second can be caught in from valve plate 12
In holding tank 14.The slot bottom of holding tank 14 is connected with the guide rod perpendicular to 14 slot bottom of holding tank, and second from 12 court of valve plate
The guide groove being clamped with guide rod is provided with to the side of guide rod.Guide rod and guide groove, which are able to cooperate, can allow second from valve plate
12 are steadily moved in holding tank 14.
As shown in Fig. 3, Fig. 4 and Fig. 5, second be provided between valve plate 12 and valve body 1 for limit liquid from second from
The sealing ring 4 that gap between valve plate 12 and valve body 1 is flowed through.Second includes two connecting plates relatively disposed in parallel from valve plate 12
30, two connecting plates 30 are connected with mounting plate 19, are connected between two connecting plates 30 and are provided with stripper plate 31.Stripper plate 31 connects
It is connected to the extruding cylinder 32 being fixedly connected with mounting plate 19.After second is in slideway 3 from valve plate 12, squeezes cylinder 32 and drive
Stripper plate 31 is mobile, and stripper plate 31 will squeeze two connecting plates 30 and then reinforce the bonding strength of connecting plate 30 and sealing ring 4.
As shown in Fig. 3, Fig. 4 and Fig. 5, second is arranged fluted 17 between valve plate 12 and main valve plate 2, the slot bottom of groove 17
It is fixedly connected with telescopic cylinder 20, one end of telescopic cylinder 20 is fixedly connected with the second closed plate 22, the setting of the second closed plate 22
To be discoid, the second closed plate 22 is fixedly connected with the first closed plate 21, the first closed plate 21 far from the side of telescopic cylinder 20
Area be greater than the second closed plate 22, valve body 1 be provided be connected to groove 17 and opening area greater than groove 17 extension slot 18,
The slot bottom of extension slot 18 is fixedly connected with the sealing ring 4 around 18 slot bottom circumferencial direction of extension slot, the area of the second closed plate 22
Identical as the opening area of extension slot 18, the area of the second closed plate 22 is identical as the opening area of groove 17.Telescopic cylinder 20
The flexible connection and separation that groove 17 Yu valve body 1 may be implemented.Groove 17 is provided with the drainage hole 23 being connected to groove 17, when
Second after 2 closed valve 1 of valve plate 12 and main valve plate, and telescopic cylinder 20 allows groove 17 to be connected to the inside of valve body 1 and then allows water
Divide and flows away from drainage hole 23.In addition telescopic cylinder 20 includes piston rod 33.Piston rod 33 is connected with relative to piston rod
33 inclined arc panels 24, arc panel 24 squeezes the cell wall of groove 17 far from the side of piston rod 33, therefore moisture does not pass through
Gap between arc panel 24 and the cell wall of groove 17, and drainage can be played the role of.
As shown in Fig. 3, Fig. 4 and Fig. 5, valve body 1 is provided in second between valve plate 12 and main valve plate 2 and close to main valve
The recessed groove 25 of plate 2, the slot bottom of recessed groove 25 are provided with pressure sensor 26, and the cell wall of recessed groove 25 is provided with and recessed groove 25
The drainage channel 27 of connection, valve body 1 are provided with the closure member for closing drainage channel 27.
As shown in Fig. 3, Fig. 4 and Fig. 5, closure member includes the small cylinder 28 being fixedly connected with valve body 1, and small cylinder 28 connects
It is connected to the closure plate 29 of closing drainage channel 27, the area of closure plate 29 is greater than the cross section of drainage channel 27.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of gate valve, including valve body (1), the valve body (1) is equipped with main valve plate (2), and the valve body (1) is provided with for leading
The mobile slideway (3) of valve plate (2), the slideway (3) is fixedly connected with sealing ring (4), it is characterized in that: the main valve plate (2) is worn
Equipped with the driving screw (5) being threadedly coupled with main valve plate (2), the driving screw (5) is socketed with the bearing being fixedly connected with valve body (1)
(6), the driving screw (5) is socketed with master gear (7), and the master gear (7) is engaged with first from gear (8), described first from
Gear (8) be equipped with first be fixedly connected from gear (8) first from screw rod (9), described first from screw rod (9) be arranged with
First from the first of screw rod (9) threaded connection is less than master gear (7) from the radius of gear (8) from valve plate (13), described first
Radius, described first is greater than the screw pitch of driving screw (5) from the screw pitch of screw rod (9).
2. gate valve according to claim 1, it is characterized in that: the master gear (7) is engaged with second from gear (11), it is described
Second from gear (11) be equipped with second be fixedly connected from gear (11) second from screw rod (10), second covers from screw rod (10)
Be connected to second be threadedly coupled from screw rod (10) second from valve plate (12), described second is less than main tooth from the radius of gear (11)
The radius of (7) is taken turns, described second is greater than the screw pitch of driving screw (5) from the screw pitch of screw rod (10).
3. gate valve according to claim 2, it is characterized in that: the valve body (1) is separately provided for first from valve plate
(13) and the second slideway (3) mobile from valve plate (12).
4. gate valve according to claim 2, it is characterized in that: the valve body (1), which is provided with, is respectively used to accommodate first from valve
For plate (13) and second from the holding tanks (14) of valve plate (12), the slot bottom of the holding tank (14) is connected with guide rod, described
First is respectively arranged with the guide groove for accommodating guide rod from valve plate (13) and second from valve plate (12).
5. gate valve according to claim 2, it is characterized in that: the valve body (1) is second from valve plate (12) and main valve plate (2)
Between be arranged fluted (17), the valve body (1), which is provided with, to be connected to groove (17) and opening area is greater than groove (17) and prolonging
It stretches slot (18), the slot bottom of the extension slot (18) is fixedly connected with the sealing ring (4) around extension slot (18) slot bottom circumferencial direction,
The slot bottom of the groove (17) is fixedly connected with telescopic cylinder (20), and one end of the telescopic cylinder (20) is fixedly connected with second
Closed plate (22), second closed plate (22) are connected with the first closed plate that area is greater than the second closed plate (22)
(21), the cell wall of groove (17) is provided with the drainage hole (23) being connected to groove (17).
6. gate valve according to claim 5, it is characterized in that: the telescopic cylinder (20) includes piston rod (33), the work
Stopper rod (33) is connected with relative to piston rod (33) inclined arc panel (24), and the arc panel (24) is far from piston rod
(33) side squeezes the cell wall of groove (17).
7. gate valve according to claim 6, it is characterized in that: the valve body (1) is first from valve plate (13) and main valve plate (2)
Between be arranged fluted (17), the valve body (1), which is provided with, to be connected to groove (17) and opening area is greater than groove (17) and prolonging
It stretches slot (18), the slot bottom of the extension slot (18) is fixedly connected with the sealing ring (4) around extension slot (18) slot bottom circumferencial direction,
The slot bottom of the groove (17) is fixedly connected with telescopic cylinder (20), and one end of the telescopic cylinder (20) is fixedly connected with second
Closed plate (22), second closed plate (22) are connected with the first closed plate that area is greater than the second closed plate (22)
(21), the cell wall of groove (17) is provided with the drainage hole (23) being connected to groove (17).
8. gate valve according to claim 2, it is characterized in that: the valve body (1) be provided in second from valve plate (12) and
Recessed groove (25) between main valve plate (2) and close to main valve plate (2), the slot bottom of the recessed groove (25) are provided with pressure sensor
(26), the cell wall of the recessed groove (25) is provided with the drainage channel (27) being connected to recessed groove (25), valve body (1) setting
There is the closure member of closing drainage channel (27).
9. gate valve according to claim 8, it is characterized in that: the closure member include be fixedly connected with valve body (1) it is small-sized
Cylinder (28), the small cylinder (28) are connected with the closure plate (29) of closing drainage channel (27), the closure plate (29)
Area is greater than the cross section of drainage channel (27).
10. gate valve according to claim 1, it is characterized in that: described first includes two connecting plates (30) from valve plate (13),
It is connected with stripper plate (31) between the connecting plate (30), two connecting plates (30) are connected with mounting plate (19), the stripper plate
(31) it is connected with the extruding cylinder (32) being fixedly connected with mounting plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343989.4A CN108692048B (en) | 2018-04-17 | 2018-04-17 | Gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343989.4A CN108692048B (en) | 2018-04-17 | 2018-04-17 | Gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692048A CN108692048A (en) | 2018-10-23 |
| CN108692048B true CN108692048B (en) | 2019-08-20 |
Family
ID=63845597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343989.4A Active CN108692048B (en) | 2018-04-17 | 2018-04-17 | Gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692048B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145728B (en) * | 2020-09-26 | 2022-03-29 | 常州市隆金机械有限公司 | Double-gate airlock wear-resistant valve |
| CN112377630B (en) * | 2020-10-23 | 2022-08-09 | 苏州热工研究院有限公司 | Self-isolating valve device |
| CN112524273A (en) * | 2020-12-27 | 2021-03-19 | 诸暨市昂伯暖通科技有限公司 | Pressure seal structure and have automatic switching function's hot-water heating valve |
| CN113883301A (en) * | 2021-10-26 | 2022-01-04 | 昆山莱恒洁净材料有限公司 | High-pressure gas diaphragm valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB917022A (en) * | 1960-08-03 | 1963-01-30 | Mads Clausen | Improvements in or relating to control devices |
| CN1080324A (en) * | 1992-03-04 | 1994-01-05 | 韦克新产业有限公司 | Guiding valve |
| JP2001254843A (en) * | 2000-03-08 | 2001-09-21 | Kubota Corp | Double valve element type control valve |
| CN2591350Y (en) * | 2002-12-06 | 2003-12-10 | 王金海 | Fast opening & closing sluice valve |
| CN101614291A (en) * | 2009-07-29 | 2009-12-30 | 马鞍山钢铁股份有限公司 | Single-plate liquid seal valve |
| CN202195115U (en) * | 2011-03-18 | 2012-04-18 | 韩先锋 | Orbit plug valve capable of being on-line maintained |
| CN204610919U (en) * | 2015-05-20 | 2015-09-02 | 陕西理工学院 | Pipeline burst self-closing valve |
-
2018
- 2018-04-17 CN CN201810343989.4A patent/CN108692048B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB917022A (en) * | 1960-08-03 | 1963-01-30 | Mads Clausen | Improvements in or relating to control devices |
| CN1080324A (en) * | 1992-03-04 | 1994-01-05 | 韦克新产业有限公司 | Guiding valve |
| JP2001254843A (en) * | 2000-03-08 | 2001-09-21 | Kubota Corp | Double valve element type control valve |
| CN2591350Y (en) * | 2002-12-06 | 2003-12-10 | 王金海 | Fast opening & closing sluice valve |
| CN101614291A (en) * | 2009-07-29 | 2009-12-30 | 马鞍山钢铁股份有限公司 | Single-plate liquid seal valve |
| CN202195115U (en) * | 2011-03-18 | 2012-04-18 | 韩先锋 | Orbit plug valve capable of being on-line maintained |
| CN204610919U (en) * | 2015-05-20 | 2015-09-02 | 陕西理工学院 | Pipeline burst self-closing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108692048A (en) | 2018-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108692048B (en) | Gate valve | |
| CN102269280B (en) | Negative pressure valve | |
| CN113503373B (en) | Quick connection ball valve | |
| CN207970572U (en) | A kind of filter device for pipes | |
| CN206738610U (en) | A kind of valve handwheel of convenient dismounting | |
| CN106969182A (en) | A kind of more preferable valve of using effect | |
| CN208670159U (en) | A kind of three valve of filtering cut-off non-return | |
| CN114576373B (en) | Improved gate valve capable of reducing abrasion of parts | |
| CN207864636U (en) | A kind of hard seal butterfly valve | |
| CN215568007U (en) | Double-valve-plate high-sealing butterfly valve | |
| CN202149245U (en) | Negative pressure valve | |
| CN208503581U (en) | It is a kind of to have the check-valves for adjusting traffic engineering capability | |
| CN108869760A (en) | A kind of taper valve block triangle shut-off valve | |
| CN207486148U (en) | A kind of three-way pressure reducing valve | |
| CN110878844B (en) | Ball valve | |
| CN209622127U (en) | A kind of expansion valve that shunting effect is good | |
| CN208024858U (en) | manual chlorine cast steel stop valve | |
| CN208634562U (en) | A kind of pipe connecting device | |
| CN207364308U (en) | A kind of rotary type tap valve core | |
| CN111059311A (en) | Synchronous drive type fire-fighting valve | |
| CN110056661A (en) | Manual chlorine cast steel stop valve | |
| CN206802326U (en) | A kind of flexible butterfly valve | |
| CN207830670U (en) | Forged steel check valve | |
| CN213451705U (en) | Combined stainless steel valve | |
| CN215950518U (en) | Electromagnetic valve body with good sealing performance for refrigeration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 257000 No. 120, Xierlu, Dongying District, Dongying City, Shandong Province Patentee after: SHENGLI OIL FIELD WUHUA INDUSTRIAL DEVELOPMENT Co.,Ltd. Address before: 325105 Dongou Industrial Zone, Dongou street, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: YONGJIA HENG VALVE CO.,LTD. |