CN207673882U - A kind of valve core structure and its component of gate valve - Google Patents
A kind of valve core structure and its component of gate valve Download PDFInfo
- Publication number
- CN207673882U CN207673882U CN201721727193.6U CN201721727193U CN207673882U CN 207673882 U CN207673882 U CN 207673882U CN 201721727193 U CN201721727193 U CN 201721727193U CN 207673882 U CN207673882 U CN 207673882U
- Authority
- CN
- China
- Prior art keywords
- plate weldment
- weldment
- steel ball
- core structure
- valve core
- 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
Landscapes
- Details Of Valves (AREA)
Abstract
A kind of valve core structure and its component of gate valve, relate generally to valve field.The valve core structure of the gate valve is by being arranged steel ball structure component, and the flexible connector of setting and the work of steel ball structure assembly synergistic between support plate weldment and sealing plate weldment, so that valve core structure not only has advantage simple in structure, and it is made to have higher reliability and accuracy and better seal；In addition, the valve core structure of the gate valve is also equipped with the advantage for debugging that convenient and efficient, production efficiency is high, at low cost, course of work vibrations and noise are small.Therefore, the valve core structure of above-mentioned gate valve and its component show good market application prospect.
Description
Technical field
The utility model is related to valve fields, in particular to the valve core structure and its component of a kind of gate valve.
Background technology
Existing gate valve valve core structure, mainly by connecting plate, connecting seat, steel ball set, steel ball, locating piece, spring leaf,
Tabletting, limited block, idler wheel, roller shaft, bearing press ring, bearing washer, support plate, sealing plate composition, this valve core structure is mostly
Opening and closing and the seal request of medium and small bore gate valve can be met, but the reliability of its action is not readily available guarantee, especially
The vibrations of open and close valve, noise are particularly evident.In addition, for heavy caliber gate valve, because support plate and the size of sealing plate compared with
Greatly, the elastic force of spring leaf has been not enough to bear and tense more bulky valve plate, although many places arrangement spring leaf may be used
Method improves tightening force, but structure will be extremely complex, and the size of occupancy and space are larger, and assembling and setting is time-consuming and laborious.
Utility model content
The purpose of this utility model is to provide a kind of valve core structure of gate valve, applies to execute in gate valve and open
There is higher accuracy and reliability when closing action, and its also have the advantages that it is simple in structure.
The another object of the utility model is to provide a kind of valve core structure component of gate valve have above-mentioned plate
Every advantage of the valve core structure of valve.
What the embodiments of the present invention were realized in：
A kind of valve core structure of gate valve comprising sealing plate weldment, connecting plate weldment, support plate weldment and steel ball knot
Structure component, wherein connecting plate weldment is set between support plate weldment and sealing plate weldment, support plate weldment and sealing plate weldment
Between by be arranged flexible connector connect, flexible connector run through connecting plate weldment, the setting to match with flexible connector
It is in " waist type " hole in the through hole on connecting plate weldment, the length direction of through hole is identical as the moving direction of connecting plate weldment,
So that support plate weldment and sealing plate weldment can be with respect to connecting plate weldment synchronizing movings；
Steel ball structure component includes steel ball and the spherical arc that matches with steel ball, and steel ball is set to the column of connecting plate weldment
In shape through-hole, and under initial assembled state be correspondingly arranged in the globular arc of support plate weldment and sealing plate weldment inner surface
Face leans；
When connecting plate weldment is moved relative to support plate weldment and sealing plate weldment along through hole length direction, steel ball with
Support plate weldment synchronizing moving, and it is detached from or enters spherical arc；When separable spherical cambered surface, steel ball by support plate weldment and
The support of the distance between sealing plate weldment is big；When steel ball enters spherical arc, support plate weldment and sealing plate weldment connect in elasticity
The lower distance of elastic pre-stress effect of fitting becomes smaller, and initial assembled state is in reset.
Further, in the utility model preferred embodiment, above-mentioned connecting plate weldment include pushing block, steel ball set and
Connecting plate, pushing block are set to one end corresponding to connecting plate moving direction, and steel ball set is sheathed in cylindricality through-hole, and and steel ball
Match.
Further, in the utility model preferred embodiment, the quantity of above-mentioned steel ball is two, and along cylindricality through-hole
Axial direction abut and be affixed setting.
Further, in the utility model preferred embodiment, above-mentioned spherical arc matches with steel ball shape
Ball-and-socket, and be respectively oppositely arranged on support plate weldment and the corresponding inner surface of sealing plate weldment.
Further, in the utility model preferred embodiment, the depth of above-mentioned ball-and-socket is the four of corresponding steel ball radius
/ mono- arrives one third.
Further, in the utility model preferred embodiment, above-mentioned flexible connector includes spring guide cylinder, spring
And spring lead, wherein spring guide cylinder is set in the support plate of support plate weldment, and spring lead is set to sealing plate
Position corresponding with spring guide cylinder on the sealing plate of weldment, spring are arranged in spring lead and are located at spring guide cylinder
Interior, spring has pretightning force after being fixed by locking nut, to connect support plate weldment, sealing plate weldment and connecting plate weldment
It connects and tenses as an entirety.
Further, in the utility model preferred embodiment, the valve core structure of above-mentioned gate valve further includes idler wheel
Component, roll wheel assembly are set to opposite sides of the connector weldment along itself moving direction.
Further, in the utility model preferred embodiment, on above-mentioned support plate weldment and sealing plate weldment with ball
The adjacent inner surface area of shape cambered surface is additionally provided with the guide groove for being oriented to for steel ball.
Further, in the utility model preferred embodiment, the section of above-mentioned guide groove is arc-shaped, and guide groove
Depth gradually become shallower as the corresponding spherical arc position of distance is remoter.
A kind of valve core structure component of gate valve comprising the valve core structure of above-mentioned gate valve and with gate valve use
The driving mechanism that matches of valve core structure.
The advantageous effect of the utility model embodiment is：The valve core structure for the gate valve that the utility model embodiment provides
By the way that steel ball structure component, and setting and steel ball structure assembly synergistic work between support plate weldment and sealing plate weldment is arranged
The flexible connector of work, so that valve core structure not only has simple structure, and sealing reliability higher, on-off action
Accuracy higher.Therefore, the utility model embodiment provide gate valve valve core structure and its component show compared with
High marketing application value.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
The planar structure that Fig. 1 is provided for the utility model embodiment under the initial assembled state of valve core structure of gate valve is shown
It is intended to；
Fig. 2 provides planar structure of the valve core structure of gate valve under valve plate softened state for the utility model embodiment
Schematic diagram；
Fig. 3 provides the parts A-A under the initial assembled state of valve core structure of gate valve for the utility model embodiment
Planar structure schematic diagram；
Fig. 4 provides the parts B-B under the initial assembled state of valve core structure of gate valve for the utility model embodiment
Planar structure schematic diagram；
Fig. 5 provides the valve core structure of the gate valve parts C-C under valve plate softened state for the utility model embodiment
Planar structure schematic diagram.
Icon：The valve core structure of 100- gate valves；120- sealing plate weldments；130- flexible connectors；131- through holes；
132- spring guide cylinders；134- springs；136- spring leads；140- connecting plate weldments；142- pushing blocks；144- steel ball sets；
146- connecting plates；160- support plate weldments；180- steel ball structure components；182- steel balls；184- spherical arcs；186- cylindricalitys are logical
Hole；190- roll wheel assemblies；191- roller supporting blocks；192- idler wheels；193- end rings；194- bearings wear axis；195- bearing ends
Lid；196- bearings.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "inner", "outside", "horizontal" or
Position relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the side usually put
Position or position relationship, are merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device
Or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " 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, can also be electrical connection；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, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Incorporated by reference to referring to Fig.1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, present embodiments provide a kind of valve core structure of gate valve
100, relate generally to valve field.It should be noted that the valve core structure 100 of gate valve provided in this embodiment is applied
There is higher accuracy, reliability and convenience, and it also has simple in structure, life when executing on-off action in gate valve
Vibrations and noise small advantage when producing efficient, at low cost and work.
Specifically, the valve core structure 100 of a kind of gate valve provided in this embodiment comprising sealing plate weldment 120 connects
Fishplate bar weldment 140, support plate weldment 160 and steel ball structure component 180, wherein connecting plate weldment 140 is set to support plate weldment
Between 160 and sealing plate weldment 120, by the way that flexible connector 130 is arranged between support plate weldment 160 and sealing plate weldment 120
Connection, flexible connector 130 run through connecting plate weldment 140, connecting plate weldment are set to what flexible connector 130 matched
Through hole 131 on 140 is in " waist type " hole, and the length direction of through hole 131 is identical as the moving direction of connecting plate weldment 140,
So that support plate weldment 160 and sealing plate weldment 120 can be with respect to 140 synchronizing movings of connecting plate weldment.
Further, steel ball structure component 180 includes steel ball 182 and the spherical arc 184 to match with steel ball 182, steel
Ball 182 is set in the cylindricality through-hole 186 of connecting plate weldment 140, and under initial assembled state and is correspondingly arranged in support
The spherical arc 184 of 120 inner surface of plate weldment 160 and sealing plate weldment leans.It should be noted that working as connecting plate weldment
140 relative to support plate weldment 160 and sealing plate weldment 120 along 131 length direction of through hole when moving, and steel ball 182 is with support
160 synchronizing moving of plate weldment, and it is detached from or enters spherical arc 184.It should be noted that being designed with one on connecting plate 146
Above-mentioned " waist type " hole of fixed number amount, should the width in " waist type " hole and the size and number of the flexible connector of quantity 130 determine,
The length in " waist type " hole is determined by the movement travel of steel ball 182.
Specifically, when separable spherical cambered surface 184, steel ball 182 will be between support plate weldment 160 and sealing plate weldment 120
Distance support it is big；When steel ball 182 enters spherical arc 184, support plate weldment 160 and sealing plate weldment 120 are in elastic connection
The lower distance of elastic pre-stress effect of part 130 becomes smaller, and initial assembled state is in reset.
Further, connecting plate weldment 140 provided in this embodiment includes pushing block 142, steel ball set 144 and connecting plate
146, wherein pushing block 142 is set to one end corresponding to 146 moving direction of connecting plate, and steel ball set 144 is sheathed on cylindricality through-hole
In 186, and match with steel ball 182.
It should be noted that specifically, steel ball set 144 is designed to that internal is hollow multi-diameter shaft by the present embodiment, therefore
Under the positioning of the both sides shaft shoulder, very accurately steel ball set 144 can be welded on connecting plate 146, and can accurately ensure to prop up very much
It is required apart from size between fagging weldment 160 and sealing plate weldment 120.Therefore, steel ball 182 is located at connecting plate weldment 140
On steel ball set 144 in, and connecting plate weldment 140 between support plate weldment 160 and sealing plate weldment 120 and passes through bullet
Property the tension of connector 130 be integrated, therefore under the limit of steel ball set 144, the initial position of steel ball 182 be clamped to support plate and
In spherical arc 184 on sealing plate, such support plate weldment 160 and sealing plate weldment 120 also just strut one by steel ball 182
The size of height distance, distance determines that this also allows for entirely connecting by the size of steel ball 182 and 182 quantity of steel ball of overlapping
Plate weldment 140 is always positioned at the middle section of this height distance, and limits steel ball 182 and cannot arbitrarily roll, but steel ball 182 can
As connecting plate weldment 140 does straight line back and forth movement together, the distance of movement is determined by design needs and eventually by " waist
Type " hole limits.
Further, the quantity of steel ball 182 provided in this embodiment is preferably designed to two, and along cylindricality through-hole 186
Axial direction abut and be affixed setting.It should be noted that in other embodiments, it is not limited in provided in this embodiment
The quantity of steel ball 182 can also be the quantity of other numbers, such as 1,3.
Further, spherical arc 184 provided in this embodiment is the ball-and-socket to match with 182 shape of steel ball, and respectively
It is oppositely disposed on 120 corresponding inner surface of support plate weldment 160 and sealing plate weldment.It should be noted that passing through ball
The cooperation of nest and steel ball 182 can make connecting plate weldment 140 have accurately positioning effect in initial assembled state and reset
Fruit, and steel ball 182 is assisted to carry out fixed point support to support plate weldment 160 and sealing plate weldment 120.
Further, the depth of ball-and-socket provided in this embodiment be corresponding 182 radius of steel ball a quarter to three/
One.It should be noted why the present embodiment is defined the depth of ball-and-socket, it is because the depth of ball-and-socket is too deep, no
It is detached from ball-and-socket conducive to steel ball 182；The depth of ball-and-socket is excessively shallow, is unfavorable for steel ball 182 to support plate weldment 160 and sealing plate weldment
120 fixed point support effect reduces the valve core structure 100 of gate valve to which steel ball 182 can be made to be easy to be detached from ball-and-socket
Overall stability and use reliability.
Further, flexible connector 130 provided in this embodiment is led including spring guide cylinder 132, spring 134 and spring
To column 136, wherein spring guide cylinder 132 is set in the support plate of support plate weldment 160, and spring lead 136 is set to close
Position corresponding with spring guide cylinder 132 on the sealing plate of sealing plate weldment 120, in 134 sheathed spring guide post 136 of spring and
In spring guide cylinder 132, spring 134 fixed by locking nut after have pretightning force, to by support plate weldment 160,
Sealing plate weldment 120 and connecting plate weldment 140 are connected and are tensed as an entirety.
Further, the valve core structure 100 of gate valve provided in this embodiment further includes roll wheel assembly 190, roller group
Part 190 is set to opposite sides of the connecting plate weldment 140 along itself moving direction.Specifically, roll wheel assembly 190 is by roller supporting
Block 191, idler wheel 192, end ring 193, bearing wear axis 194, bearing (ball) cover 195, bearing 196, screw and fit together composition.
It should be noted that roll wheel assembly 190 is by being mounted on and being arranged in 146 symmetrical both sides of connecting plate by roller supporting block 191
With realizing connection on a certain number of dormant bolt holes, and be emphasized that can be with by roll wheel assembly 190
Five freedom of motion for limiting the valve core structure 100 of gate valve make it be only capable of carrying out straight reciprocating motion, prior
It is that roll wheel assembly 190 makes the guiding accuracy higher of the valve core structure 100 of gate valve, resistance of motion smaller, and energy well
Ensure the accuracy and reliability of spool on-off action.
The present embodiment also provides a kind of valve core structure component of gate valve comprising the spool knot of above-mentioned gate valve
Structure 100 and the driving mechanism to match with the valve core structure 100 of gate valve.It should be noted that driving mechanism is gate valve
Valve core structure 100 provides driving force, to promote the valve core structure 100 of gate valve normally to work.
The operation principle of the valve core structure 100 of gate valve provided by the embodiment is：Gate valve provided in this embodiment is used
Valve core structure 100 under the driving of exterior power (type of drive can be manually, motor or cylinder driving, driving mechanism can
Think planar linkage mechanism) and the guiding role of roll wheel assembly 190 under make when round-trip linear motion to include closing valve events and valve opening
Action.Wherein, when executing pass valve events, sealing plate weldment 120 moves to terminal at first, and together together with support plate weldment 160
Stop motion, continues to press on connecting plate weldment 140, and flexible connector 130 moves to separately along 131 length direction of through hole from side
Side, steel ball 182 are connected plate weldment 140 and gradually release spherical arc 184, to weld support plate weldment 160 and sealing plate
120 through-thickness of part struts a distance, so that support plate weldment 160 and sealing plate weldment 120 are respectively pressed against therewith
The supporting surface and sealing surface of the shell flange of mating connection are (when " waist type " the hole other side and the spring guide cylinder on connecting plate 146
When 132 contact, steel ball 182 just leaves ball-and-socket and is located on the inner plane of support plate and sealing plate completely, support plate and sealing plate
It is strutted completely, pressing force reaches maximum, and entire spool stop motion, valve is fully closed and seals)；Execute valve opening action
When, connecting plate weldment 140 is reversed pulling, and steel ball 182 is moved under the action of frictional force in spherical arc 184, completes multiple
Position action, and correspondingly, support plate weldment 160 and sealing plate weldment 120 under the elastic pre-stress of flexible connector 130,
It is detached respectively with supporting surface and sealing surface, finally, the valve core structure 100 of entire gate valve moves together, leaves shell flange
Aperture makes valve open completely.
Further, in other embodiments, in order to optimize guidance quality in 182 motion process of steel ball, gate valve
The inner surface section that valve core structure 100 can also be connected on support plate weldment 160 and sealing plate weldment 120 with spherical arc 184
Domain is set as the guide groove of the guiding of steel ball 182, and, it is preferable that the section of guide groove can be set as arc-shaped, and be oriented to
The depth of slot gradually becomes shallower as 184 position of the corresponding spherical arc of distance is remoter.
In conclusion the valve core structure for the gate valve that the utility model embodiment provides is by being arranged steel ball structure group
Part, and the flexible connector that setting works with steel ball structure assembly synergistic between support plate weldment and sealing plate weldment, from
And so that valve core structure not only has advantage simple in structure, and it is made to have higher reliability and accuracy and more preferable
Leakproofness；In addition, the valve core structure of gate valve provided in this embodiment is also equipped with, debugging is convenient and efficient, production efficiency is high,
The advantage that the at low cost, course of work shakes and noise is small.Therefore, the spool knot for the gate valve that the utility model embodiment provides
Structure and its component show good marketing application prospect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of valve core structure of gate valve, which is characterized in that it includes sealing plate weldment, connecting plate weldment, support plate weldering
Part and steel ball structure component, wherein the connecting plate weldment is set between the support plate weldment and the sealing plate weldment,
It is connected between the support plate weldment and the sealing plate weldment by the way that flexible connector is arranged, the flexible connector runs through institute
Connecting plate weldment is stated, is in " waist type " with the through hole being set on the connecting plate weldment that the flexible connector matches
Hole, the length direction of the through hole is identical as the moving direction of connecting plate weldment, so that the support plate weldment
It being capable of the relatively described connecting plate weldment synchronizing moving with the sealing plate weldment；
The steel ball structure component includes steel ball and the spherical arc that matches with the steel ball, and the steel ball is set to the company
In the cylindricality through-hole of fishplate bar weldment, and under initial assembled state and it is correspondingly arranged in the support plate weldment and the sealing
The spherical arc of plate weldment inner surface leans；
When the connecting plate weldment relative to the support plate weldment and the sealing plate weldment along the through hole length direction
When mobile, the steel ball is detached from or enters the spherical arc with the support plate weldment synchronizing moving；Described in disengaging
When spherical arc, the steel ball supports the distance between the support plate weldment and the sealing plate weldment big；When steel ball enters
When the spherical arc, the support plate weldment and the sealing plate weldment are acted in the elastic pre-stress of the flexible connector
Lower distance becomes smaller, and the initial assembled state is in reset.
2. the valve core structure of gate valve according to claim 1, which is characterized in that the connecting plate weldment includes pushing
Block, steel ball set and connecting plate, the pushing block are set to one end corresponding to the connecting plate moving direction, the steel ball set set
Match in the cylindricality through-hole, and with the steel ball.
3. the valve core structure of gate valve according to claim 2, which is characterized in that the quantity of the steel ball is two,
And it is abutted along the axial direction of the cylindricality through-hole and is affixed setting.
4. the valve core structure of gate valve according to claim 1, which is characterized in that the spherical arc be and the steel
The ball-and-socket that spherical shape matches, and be respectively oppositely arranged in the support plate weldment and the sealing plate weldment are corresponding
On surface.
5. the valve core structure of gate valve according to claim 4, which is characterized in that the depth of the ball-and-socket is corresponding institute
The a quarter of steel ball radius is stated to one third.
6. the valve core structure of gate valve according to claim 1, which is characterized in that the flexible connector includes spring
Guide cylinder, spring and spring lead, wherein the spring guide cylinder is set in the support plate of the support plate weldment, institute
It states spring lead and is set to position corresponding with the spring guide cylinder, the bullet on the sealing plate of the sealing plate weldment
Spring is arranged in the spring lead and in the spring guide cylinder, and the spring has pre- after being fixed by locking nut
Clamp force, to connect and tense as an entirety with the connecting plate weldment by the support plate weldment, the sealing plate weldment.
7. the valve core structure of gate valve according to claim 1, which is characterized in that the valve core structure of the gate valve
Further include roll wheel assembly, the roll wheel assembly is set to opposite sides of the connector weldment along itself moving direction.
8. the valve core structure of the gate valve according to claim 1-7 any one, which is characterized in that the support plate weldering
The inner surface area adjacent with the spherical arc is additionally provided with for being oriented to for the steel ball on part and the sealing plate weldment
Guide groove.
9. the valve core structure of gate valve according to claim 8, which is characterized in that the section of the guide groove is circular arc
Shape, and the depth of the guide groove gradually becomes shallower as the corresponding spherical arc position of distance is remoter.
10. a kind of valve core structure component of gate valve, which is characterized in that it includes described in any one of claim 1-9
The valve core structure of gate valve and the driving mechanism to match with the valve core structure of the gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721727193.6U CN207673882U (en) | 2017-12-11 | 2017-12-11 | A kind of valve core structure and its component of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721727193.6U CN207673882U (en) | 2017-12-11 | 2017-12-11 | A kind of valve core structure and its component of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673882U true CN207673882U (en) | 2018-07-31 |
Family
ID=62968294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721727193.6U Active CN207673882U (en) | 2017-12-11 | 2017-12-11 | A kind of valve core structure and its component of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883005A (en) * | 2017-12-11 | 2018-04-06 | 成都中科唯实仪器有限责任公司 | The valve core structure and its operation principle of a kind of push-pull valve |
-
2017
- 2017-12-11 CN CN201721727193.6U patent/CN207673882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883005A (en) * | 2017-12-11 | 2018-04-06 | 成都中科唯实仪器有限责任公司 | The valve core structure and its operation principle of a kind of push-pull valve |
| CN107883005B (en) * | 2017-12-11 | 2024-01-19 | 成都中科唯实仪器有限责任公司 | Valve core structure for gate valve and working principle thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207673882U (en) | A kind of valve core structure and its component of gate valve | |
| CN202123347U (en) | Lining mounting device | |
| CN108581428A (en) | A kind of special tube press machine of stage pipe fitting | |
| CN202411666U (en) | Mechanical structure of wave-resistance board tapping and welding equipment for oil tank | |
| CN201597654U (en) | Crawler type walking machine support oil cylinder and crawler type walking machine | |
| CN107883005A (en) | The valve core structure and its operation principle of a kind of push-pull valve | |
| CN202972132U (en) | Electro-hydraulic proportional valve and proportional electromagnet thereof | |
| CN109607323B (en) | Clamp for rolling filter cloth | |
| CN113451008B (en) | Oil-immersed transformer based on cooling protection device | |
| CN203566070U (en) | X-shaped spot welding pliers with electric cylinder | |
| CN201848688U (en) | Bearing snap spring assembler | |
| CN208697262U (en) | A kind of positioning mechanism for jig | |
| CN106369168A (en) | Bearing seal structure | |
| CN220794507U (en) | Pressure gauge joint with good sealing effect | |
| CN212469490U (en) | Die fixing device for stamping machine tool | |
| AU2017100778A4 (en) | High-efficiency commutator assembly device | |
| CN101709805B (en) | Directly operated type electromagnetic switch valve | |
| CN215634452U (en) | Slewing bearing suitable for many specifications | |
| CN204094686U (en) | A kind of pump housing clamping device of brake pump piston cylinder parts automatic assembling machine | |
| CN220127826U (en) | Stud welding error proofing device | |
| CN210034879U (en) | Hydraulic hoist convenient to installation | |
| CN219749982U (en) | Thrust wheel structural optimization | |
| CN208468149U (en) | A kind of check clamping device with initial clamping force | |
| CN218817321U (en) | Cylinder structure | |
| CN208342666U (en) | Fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |