CN208793668U - Flashboard assembly and gate valve - Google Patents
Flashboard assembly and gate valve Download PDFInfo
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- CN208793668U CN208793668U CN201821154158.4U CN201821154158U CN208793668U CN 208793668 U CN208793668 U CN 208793668U CN 201821154158 U CN201821154158 U CN 201821154158U CN 208793668 U CN208793668 U CN 208793668U
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- board
- gate
- rocker arm
- guide plate
- main
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Abstract
The utility model provides a kind of flashboard assembly and gate valve, flashboard assembly includes main gate-board (10), auxiliary gate-board (20) and rocker arm (30), main gate-board (10) and auxiliary gate-board (20) are oppositely arranged; the top of rocker arm (30) is flexibly connected with the side of main gate-board (10) and auxiliary gate-board (20); flashboard assembly further includes the stop part (40) for being arranged on main gate-board (10) or auxiliary gate-board (20) and being located at the lower end outside of rocker arm (30), is limited with the lower end to rocker arm (30).The technical solution of the utility model effective solution in the prior art rocker arm bottom end be easy outward dissociate influence flashboard movement stability the problem of.
Description
Technical field
The utility model relates to valve technology fields, and in particular to a kind of flashboard assembly and gate valve.
Background technique
Patent document CN203926859U discloses a kind of expansion type double disc run-in index lock for preventing valve seat from pushing flashboard to
Valve, the gate valve include valve body, valve seat and flashboard, and valve seat is arranged to the shaft shoulder towards the end of flashboard, are provided on guide plate and the shaft shoulder
Matched through-hole, guide plate are covered on the shaft shoulder by through-hole, and flashboard is made of main gate-board and auxiliary gate-board, main gate-board and auxiliary gate-board
Side is equipped with rocker arm, the top of rocker arm is flexibly connected with the side of main gate-board and auxiliary gate-board, in opening or closing for gate valve
In the process, the bottom end of rocker arm is easy to dissociate outward and be stuck on guide plate, and then influences the stability that flashboard acts.
Utility model content
The main purpose of the utility model is to provide a kind of flashboard assembly and gate valve, to solve rocker arm in the prior art
Bottom end is easy to dissociate outward the problem of influencing the stability that flashboard acts.
To achieve the above object, the utility model provides a kind of flashboard assembly, including main gate-board, auxiliary gate-board and rocker arm,
Main gate-board and auxiliary gate-board are oppositely arranged, and the top of rocker arm is flexibly connected with the side of main gate-board and auxiliary gate-board, and flashboard assembly is also
Stop part including being arranged on main gate-board or auxiliary gate-board and being located at the lower end outside of rocker arm, is limited with the lower end to rocker arm
Position.
Further, the lower end of rocker arm is equipped with groove, and stop part and groove cooperate.
Further, the side towards rocker arm of stop part is equipped with step, and the upper side of step is formed and groove cooperation
Stop surface.
Further, stop part is arranged when on auxiliary gate-board, and a part of stop part is located at the outside of the side of main gate-board.
Further, stop part is fixed on auxiliary gate-board by fastener.
Further, stop part is fan-shaped.
The utility model also provides a kind of gate valve, comprising: valve body, valve seat and flashboard assembly, valve body, which has, to be oppositely arranged
A valve seat is arranged in each bore for two bore, and flashboard assembly is located between two valve seats, and flashboard assembly is above-mentioned flashboard
Component.
Further, gate valve further includes being located at the two sides of flashboard assembly and being fixed on main guide plate and pair on corresponding valve seat
Guide plate, the two sides of rocker arm are contacted with the secondary edge at the main edge of main guide plate and secondary guide plate respectively, and main edge, which has, to be connected
The guiding surface and master connect is vertically directed face, and there is the pair being connected to be vertically directed face and evacuation inclined-plane, guiding surface at secondary edge
Suitable for cooperating with the skew back face of rocker arm, evacuation inclined-plane is suitable for avoiding the lower end of rocker arm.
Further, main guide plate and secondary guide plate are equipped with the installation direction for being used to indicate main guide plate and secondary guide plate
Cue mark.
Further, the upper end of main guide plate is plane, and the upper end of secondary guide plate is equipped with fool proof groove, fool proof groove and pair
Limited boss cooperation on flashboard.
Technical solutions of the utility model have the advantages that the lower end on auxiliary gate-board and being located at rocker arm is arranged in stop part
Outside, stop part carry out backstop limit to the lower end of rocker arm, it is therefore prevented that the lower end of rocker arm carries out breakking away outward free and then abundant
Guarantee the stability of flashboard assembly movement.
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.In the accompanying drawings:
Fig. 1 shows the stereoscopic schematic diagram of the embodiment of flashboard assembly according to the present utility model；
Fig. 2 shows the schematic side views of the flashboard assembly of Fig. 1；
Fig. 3 shows the stereoscopic schematic diagram of the rocker arm of the flashboard assembly of Fig. 1；
Fig. 4 shows the stereoscopic schematic diagram of the stop part of the flashboard assembly of Fig. 1；
Fig. 5 shows the partial section schematic diagram of the embodiment of gate valve according to the present utility model；
Fig. 6 shows the stereoscopic schematic diagram of the main guide plate of the gate valve of Fig. 5；
Fig. 7 shows the stereoscopic schematic diagram of the secondary guide plate of the gate valve of Fig. 5.
Wherein, the appended drawing reference in above-mentioned attached drawing are as follows:
10, main gate-board；20, auxiliary gate-board；21, it is limited boss；30, rocker arm；31, groove；32, skew back face；40, stop part；
41, stop surface；51, fastener；60, valve body；70, valve seat；80, main guide plate；81, main edge；811, guiding surface；812, main
It is vertically directed face；82, cue mark；90, secondary guide plate；91, secondary edge；911, pair is vertically directed face；912, inclined-plane is avoided；
92, fool proof groove.
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.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
As depicted in figs. 1 and 2, the flashboard assembly of the present embodiment includes main gate-board 10, auxiliary gate-board 20 and rocker arm 30, main gate-board
10 and auxiliary gate-board 20 be oppositely arranged, the top of rocker arm 30 is flexibly connected with the side of main gate-board 10 and auxiliary gate-board 20, flashboard group
Part further includes the stop part 40 for being arranged on auxiliary gate-board 20 and being located at the lower end outside of rocker arm 30, is carried out with the lower end to rocker arm 30
Limit.
Using the flashboard assembly of the present embodiment, stop part 40 is arranged on auxiliary gate-board 20 and is located at outside the lower end of rocker arm 30
Side, stop part 40 carry out backstop limit to the lower end of rocker arm 30, it is therefore prevented that the lower end of rocker arm, which carries out breakking away outward, dissociates, Jin Erchong
Code insurance demonstrate,proves the stability of flashboard assembly movement.
In the present embodiment, as shown in figure 3, the lower end of rocker arm 30 is equipped with groove 31, stop part 40 and groove 31 cooperate.This
Sample can interfere to avoid stop part and valve body.
In the present embodiment, as shown in Figure 3 and Figure 4, the side towards rocker arm 30 of stop part 40 is equipped with step, step
Upper side forms the stop surface 41 cooperated with groove 31.Certainly, the side towards rocker arm of stop part can also be not provided with step,
The one side towards rocker arm of stop part forms stop surface at this time.
In the present embodiment, as shown in Fig. 2, a part of stop part 40 is located at the outside of the side of main gate-board 10, that is, stop
A part of block piece 40 pushes down the side of main gate-board, prevents main gate-board laterally offset, so that major-minor flashboard can only carry out work up and down
It is dynamic, guarantee the precision of major-minor flashboard relative displacement.
In the present embodiment, stop part 40 is fixed on auxiliary gate-board 20 by fastener 51.It is fixed easy.Fastener 51 is
Two, can rotate the case where causing limit to fail to avoid stop part.Fastener 51 is screw, easy to use, at low cost
It is honest and clean.
In the present embodiment, stop part 40 is fan-shaped, and the lower end that the size of stop part is small is fixed on auxiliary gate-board, stop part
The big upper end of size cooperate with rocker arm and main gate-board, structure is simple, convenient to be cooperated with rocker arm and main gate-board.
In the present embodiment, the top of major-minor flashboard two sides is provided with pin hole, and when assembly, positioning pin is penetrated on rocker arm
Waist hole, then will positioning pin be inserted into major-minor flashboard two sides on pin hole in, be positioned postpone guarantee rocker arm dexterous actions, will
The tail portion of positioning pin is fixed with major-minor flashboard weld all around respectively.The head of positioning pin has T connector, and the waist hole of rocker arm is stepped hole,
The T connector of stepped hole and positioning pin matches, and rocker arm top is prevented to be detached from outward.
In the present embodiment, the binding face up and down between major-minor flashboard is inclined-plane, realizes and closes and when open state
Strut function.The sealing surface of major-minor flashboard is plane, and two sealing surfaces are parallel to each other.
As interchangeable embodiment, stop part 40 is arranged on main gate-board 10.
The utility model additionally provides a kind of gate valve, as shown in figure 5, gate valve includes: valve body 60, valve seat 70 and flashboard group
Part, valve body 60 have two bore being oppositely arranged, a valve seat 70 are arranged in each bore, flashboard assembly is located at two valve seats
Between 70, flashboard assembly is above-mentioned flashboard assembly.
In the present embodiment, as shown in Figures 5 to 7, gate valve further includes being located at the two sides of flashboard assembly and being fixed on correspondence
Main guide plate 80 and secondary guide plate 90 on valve seat 70, the two sides of rocker arm 30 are led with the main edge 81 of main guide plate 80 and pair respectively
It is contacted to the secondary edge 91 of plate 90, there is the guiding surface 811 being connected and master to be vertically directed face 812, secondary edge at main edge 81
91 there is the pair being connected to be vertically directed face 911 and evacuation inclined-plane 912, and guiding surface 811 is suitable for the skew back face 32 with rocker arm 30
Cooperation, evacuation inclined-plane 912 are suitable for avoiding the lower end of rocker arm 30.During the up and down motion of gate valve component, skew back face 32 and lead
Match to inclined-plane 811, guarantees that flashboard assembly is quickly smooth and enter guiding stroke.Specifically, the lower part of rocker arm is pendulum, pendulum
The left and right sides be equipped with skew back face 32, skew back face 32 makes in flashboard assembly closing process, rocker arm be easier quickly return just, valve
Door is closed more smooth.
In the present embodiment, main guide plate 80 and secondary guide plate 90, which are equipped with, is used to indicate main guide plate 80 and secondary guide plate
The cue mark 82 of 90 installation direction, operator install according to cue mark 82, prevent from pacifying anti-situation.
In the present embodiment, the upper end of main guide plate 80 is plane, and the upper end of secondary guide plate 90 is equipped with fool proof groove 92, prevents
Slow-witted groove 92 cooperates with the limited boss 21 on auxiliary gate-board 20.When the valve is closed, the limited boss 21 on auxiliary gate-board top can sink
Enter the fool proof groove 92, if major-minor guide plate is anti-loaded, limited boss 21 on auxiliary gate-board top ifs can be blocked, and cannot be closed
Position can avoid the mistake dress of major-minor guide plate.
In the present embodiment, major-minor guide plate is welded structure.In the present embodiment, valve seat and valve body can be welding
(hard sealing), it is also possible to floating type (soft seal), two sealing surfaces of valve seat are also parallel to each other, the sealing surface of valve seat and flashboard
Sealing surface collectively constitutes the sealing pair being parallel to each other.
In the present embodiment, the installation of gate valve is not limited by installation site, can be vertical, horizontal or be inclined in any angle
It tiltedly installs and uses, may be equipped with electronic, pneumatic, driving device for gear box etc., be mainly used for the truncation of pipeline medium, circulation is made
With two way seal may be implemented.
The course of work of gate valve is illustrated below:
Using full-gear as the initial position of flashboard assembly, the handwheel of gate valve is rotated clockwise, major-minor flashboard is along valve seat
Sealing surface moves down simultaneously, at this point, auxiliary gate-board is in displacement minimum point, and rocker arm is corresponding due to the effect of auxiliary gate-board weight
Be in clockwise maximum pendulum angle position.When flashboard assembly integrally moves down into the guiding surface of main guide plate, due to
The effect of major-minor flashboard gravity, forces rocker arm to swing counterclockwise along guiding surface.When flashboard assembly moves down into main erect
When straight guide surface, rocker arm swings to positive vertical position under the action of major-minor is vertically directed face.With the progress of closing motion,
Rocker arm remains at vertical state, after the limiting platform in the limited boss and valve chamber on auxiliary gate-board top contacts, auxiliary gate-board
Stopping moves down.Continue barrier gate valve down, at this time under the action of rotation hand wheel, main gate-board starts along upper between major-minor flashboard
Inclined-plane slides and struts down, meanwhile, rocker arm starts to swing in the counterclockwise direction using the positioning pin on auxiliary gate-board as rotation center,
Evacuation inclined-plane can avoid the swing of rocker arm at this time.Due to major-minor flashboard mutually moving along inclined-plane, two sealings of major-minor flashboard
Thickness between face increases, so that the sealing surface of major-minor flashboard is close to the sealing surface of valve seat, medium in block valve is final to realize complete close
The sealing imported and exported when position.
When rotation hand wheel counterclockwise, main gate-board is raised first, and with slowly lifting for main gate-board, rocker arm starts along up time
Needle direction is swung, and just reaches vertical state until rocker arm returns.Handwheel is continued to rotate, valve rod continues to rise, at this point, auxiliary gate-board companion
Positioning pin rides over be elevated together with main gate-board in the waist hole of rocker arm together.When flashboard assembly rises overally leading to main guide plate
When to inclined-plane, due to the gravity of auxiliary gate-board, auxiliary gate-board starts sliding of falling, and rocker arm is rotation with the positioning pin on main gate-board
Turn center to swing along clockwise direction.Due to the support of the sealing surface of valve seat, the whereabouts sliding of auxiliary gate-board is obstructed, and rocker arm pivot angle reaches
To maximum.Up Open valve again, until the limited boss on auxiliary gate-board top contacts valve deck bottom surface, auxiliary gate-board stopping is moved up.This
When, valve is continued starting, main gate-board continues up sliding along the lower inclined plane between major-minor flashboard and is lifted, two sealings of major-minor flashboard
Thickness between face increases, and is adjacent to the sealing surface of valve seat, the final isolating seal for realizing channel and valve lumen, and medium in channel
Smoothly circulation.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of flashboard assembly, including main gate-board (10), auxiliary gate-board (20) and rocker arm (30), the main gate-board (10) and the pair
Flashboard (20) is oppositely arranged, and the top and the main gate-board (10) of the rocker arm (30) and the side of the auxiliary gate-board (20) are living
Dynamic connection,
It is characterized in that, the flashboard assembly further includes being arranged on the main gate-board (10) or the auxiliary gate-board (20) and being located at
The stop part (40) of the lower end outside of the rocker arm (30), is limited with the lower end to the rocker arm (30).
2. flashboard assembly according to claim 1, which is characterized in that the lower end of the rocker arm (30) is equipped with groove (31),
The stop part (40) and the groove (31) cooperate.
3. flashboard assembly according to claim 2, which is characterized in that the stop part (40) towards the rocker arm (30)
Side be equipped with step, the upper side of the step forms the stop surface (41) with the groove (31) cooperation.
4. flashboard assembly according to claim 1, which is characterized in that the stop part (40) is arranged in the auxiliary gate-board
(20) when on, a part of the stop part (40) is located at the outside of the side of the main gate-board (10).
5. flashboard assembly according to claim 4, which is characterized in that the stop part (40) is fixed by fastener (51)
On the auxiliary gate-board (20).
6. flashboard assembly according to claim 1, which is characterized in that the stop part (40) is fan-shaped.
7. a kind of gate valve, comprising: valve body (60), valve seat (70) and flashboard assembly, the valve body (60) have two be oppositely arranged
A valve seat (70) is arranged in each bore for a bore, and the flashboard assembly is located between two valve seats (70),
It is characterized in that, the flashboard assembly is flashboard assembly described in any one of claims 1 to 6.
8. gate valve according to claim 7, which is characterized in that the gate valve further includes positioned at the two sides of the flashboard assembly
And it is fixed on the main guide plate (80) on the corresponding valve seat (70) and secondary guide plate (90), the two sides difference of the rocker arm (30)
It is contacted with the secondary edge (91) at the main edge (81) of the main guide plate (80) and the secondary guide plate (90), the main edge
(81) there is the guiding surface (811) being connected and master to be vertically directed face (812), the pair edge (91) has the pair being connected
It is vertically directed face (911) and evacuation inclined-plane (912), the guiding surface (811) is suitable for the skew back face with the rocker arm (30)
(32) cooperate, evacuation inclined-plane (912) is suitable for avoiding the lower end of the rocker arm (30).
9. gate valve according to claim 8, which is characterized in that on the main guide plate (80) and the secondary guide plate (90)
Cue mark (82) equipped with the installation direction for being used to indicate the main guide plate (80) and the secondary guide plate (90).
10. gate valve according to claim 8, which is characterized in that the upper end of the main guide plate (80) is plane, the pair
The upper end of guide plate (90) is equipped with fool proof groove (92), the limited boss on the fool proof groove (92) and the auxiliary gate-board (20)
(21) cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821154158.4U CN208793668U (en) | 2018-07-20 | 2018-07-20 | Flashboard assembly and gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821154158.4U CN208793668U (en) | 2018-07-20 | 2018-07-20 | Flashboard assembly and gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793668U true CN208793668U (en) | 2019-04-26 |
Family
ID=66202733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821154158.4U Active CN208793668U (en) | 2018-07-20 | 2018-07-20 | Flashboard assembly and gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793668U (en) |
-
2018
- 2018-07-20 CN CN201821154158.4U patent/CN208793668U/en active Active
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