CN110873197A

CN110873197A - Valve plate sealing structure of valve

Info

Publication number: CN110873197A
Application number: CN201911194419.4A
Authority: CN
Inventors: 刘晓庆
Original assignee: Ningbo Huawang Information Technology Co Ltd
Current assignee: Ningbo Huawang Information Technology Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-03-10

Abstract

The invention discloses a valve plate sealing structure of a valve, which comprises a body, wherein the top of the body is fixedly connected with a fixing plate, the inner cavity of the body is movably connected with a valve rod, the bottom of the valve rod is fixedly connected with a stopping plate, and the top of the valve rod sequentially penetrates through the body and the fixing plate and extends to the top of the body. The valve plate sealing structure of the valve solves the problems that most valve plates of the existing valves are not provided with sealing rings, when media are cut off, the media in a pipeline are easy to leak through a gap between the valve plate and the valve, the personal safety of a user is damaged, and the valve plate sealing structure is inconvenient to use by the user.

Description

Valve plate sealing structure of valve

Technical Field

The invention belongs to the technical field of valves, and particularly relates to a valve plate sealing structure of a valve.

Background

The valves are pipe fittings for opening and closing pipes, controlling flow direction, regulating and controlling temperature, pressure and flow of the parameters of the conveyed medium, and can be classified into shut-off valves, check valves, regulating valves, etc. according to their functions, the valves are control parts in fluid conveying systems, have the functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure relief, etc., are used for valves of fluid control systems, and are quite various in variety and specification from the simplest stop valves to various valves used in extremely complicated automatic control systems.

The gate valve is one of the most commonly used block valves, mainly used for putting through or cutting off the medium in the pipeline, do not apply to adjusting medium flow, and the valve plate is the main part in the gate valve, and the problem that prior art exists is: the valve plate of valve does not establish the sealing washer mostly to the cover, when cutting the medium, the medium in the pipeline is very easily revealed through the gap between valve plate and the valve, has caused harm, the not convenient to use person to user's personal safety.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a valve plate sealing structure of a valve, which has the advantage of improving the sealing property between a valve plate and the valve and solves the problems that most valve plates of the existing valves are not sleeved with sealing rings, and when a medium is cut off, the medium in a pipeline is easy to leak through a gap between the valve plate and the valve, so that the personal safety of a user is damaged, and the valve plate sealing structure is inconvenient for the user to use.

The invention is realized in such a way, the valve plate sealing structure of the valve comprises a body, wherein the top of the body is fixedly connected with a fixed plate, the inner cavity of the body is movably connected with a valve rod, the bottom of the valve rod is fixedly connected with a stop plate, the top of the valve rod sequentially penetrates through the body and the fixed plate and extends to the top of the body, the surface of the valve rod is respectively sleeved with a first fixed sleeve and a second fixed sleeve, the bottoms of the first fixed sleeve and the second fixed sleeve are respectively and fixedly connected with a sliding mechanism, the top and the bottom of the left side of the second fixed sleeve are respectively and fixedly connected with a clamping plate, the top and the bottom of the right side of the first fixed sleeve are respectively provided with a clamping groove matched with the clamping plate for use, the inner cavity of the first fixed sleeve is movably connected with two, and one sides of the two limiting mechanisms which are opposite to each other are fixedly connected with transmission mechanisms.

Preferably, the sliding mechanism comprises a groove body, the groove body is arranged at the top of the fixed plate, a moving block is movably connected in an inner cavity of the groove body, movable rods are fixedly connected to the top of the moving block, and the tops of the two movable rods are respectively and fixedly connected with the first fixed sleeve and the second fixed sleeve.

Preferably, the limiting mechanism comprises a spring, the surface of the spring is movably connected with the inner cavity of the first fixing sleeve, transverse plates are fixedly connected to the top and the bottom of the spring, and a limiting rod is fixedly connected to one side, far away from the spring, of each transverse plate.

Preferably, the transmission mechanism comprises two transmission rods, opposite sides of the front transmission rod and the rear transmission rod are fixedly connected with the transverse plate, through grooves matched with the transmission rods are formed in the front side and the rear side of the first fixing sleeve, and one side, far away from the transverse plate, of each transmission rod penetrates through the corresponding through groove and is fixedly connected with the shifting plate.

Preferably, the inner wall of the clamping groove is provided with a through hole matched with the limiting rod for use, and one side of the limiting rod, which is far away from the transverse plate, penetrates through the through hole and extends to the inner cavity of the limiting groove.

Preferably, the two sides of the transverse plate are fixedly connected with sliding blocks, and the two sides of the inner wall of the first fixing sleeve are provided with sliding grooves matched with the sliding blocks for use.

Preferably, the bottom of the stop plate is sleeved with a sealing ring, and the bottom of the inner wall of the body is provided with a groove matched with the sealing ring for use.

Preferably, the inner walls of the first fixing sleeve and the second fixing sleeve are fixedly connected with a plurality of positioning blocks, and the positioning blocks are meshed with the valve rod.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention uses the matching of the body, the fixed plate, the valve rod, the stop plate, the first fixed sleeve, the second fixed sleeve, the sliding mechanism, the clamping plate, the clamping groove, the limiting mechanism, the limiting groove, the transmission mechanism and the sealing ring, a user can twist the valve rod to drive the stop plate to move downwards until the sealing ring is in close contact with the groove, then the first fixed sleeve and the second fixed sleeve are controlled to move relatively, the upper and the lower poking plates are controlled to move relatively, the upper and the lower transmission rods are driven to move relatively, the upper and the lower transverse plates move relatively along with the transmission rods, the spring is compressed under stress, the upper and the lower limiting rods move relatively along with the transverse plates, when the clamping plate completely enters the clamping groove, the positioning block is engaged with the valve rod, the limiting rod corresponds to the limiting groove, the user loosens the poking plates, the spring applies, the valve plate of having solved current valve does not have the cover to establish the sealing washer mostly, when cutting the medium, and the medium in the pipeline is very easily revealed through the gap between valve plate and the valve, has caused harm to user's personal safety, the problem that the person of not being convenient for used, and the valve plate seal structure of this valve possesses the advantage that has improved the leakproofness between valve plate and the valve.

2. The sliding mechanism is arranged, so that the first fixing sleeve and the second fixing sleeve can be fixed with the fixing plate, and the first fixing sleeve and the second fixing sleeve can slide on the fixing plate conveniently to limit and fix the valve rod.

3. According to the invention, the limiting mechanism is arranged, so that the first fixing sleeve and the second fixing sleeve can be limited and fixed, the first fixing sleeve and the second fixing sleeve can be conveniently matched for use to limit and fix the valve rod, and the large gap between the stop plate and the body and the large leakage of media caused by the fact that the stop plate and the body generate large gaps due to the fact that the valve rod is forced to return in the using process are effectively avoided.

4. According to the invention, the transmission mechanism is arranged, so that a user can conveniently drive the transmission rod to move by stirring the shifting plate and further drive the transverse plate to move, the limiting rod limits and fixes the clamping plate along with the movement of the transverse plate, and the use convenience of the invention is improved.

5. The through hole is arranged, so that the limiting rod can move up and down through the through hole to be in close contact with the limiting groove to limit and fix the clamping plate, and the use stability of the clamping device is improved.

6. According to the invention, through arranging the sliding block and the sliding groove, the up-and-down movement stability of the transverse plate is improved, meanwhile, the friction force between the transverse plate and the first fixing sleeve is effectively reduced, and the service life of the invention is prolonged.

7. According to the invention, the sealing ring and the groove are arranged, so that the sealing ring is conveniently in close contact with the groove, the stop plate is sealed, a gap between the stop plate and the body is avoided, and the practicability of the invention is reduced.

8. The positioning plate is arranged, so that the positioning block is conveniently meshed with the valve rod to limit the valve rod, the valve rod is effectively prevented from being forced to return, and the practicability of the invention is improved.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is an elevational, cross-sectional view of a fixation plate according to an embodiment of the present invention;

fig. 3 is an elevational sectional view of a portion of a first fastener sleeve according to an embodiment of the present invention;

FIG. 4 is an elevational, cross-sectional view of a body portion according to an embodiment of the present invention;

fig. 5 is a perspective view of a first pouch provided in accordance with an embodiment of the present invention;

fig. 6 is an enlarged view of a according to an embodiment of the present invention.

In the figure: 1. a body; 2. a fixing plate; 3. a valve stem; 4. a cut-off plate; 5. a first fixing sleeve; 6. a second fixing sleeve; 7. a sliding mechanism; 701. a trough body; 702. a moving block; 703. a movable rod; 8. clamping a plate; 9. a card slot; 10. a limiting mechanism; 1001. a spring; 1002. a transverse plate; 1003. a limiting rod; 11. a limiting groove; 12. a transmission mechanism; 1201. a transmission rod; 1202. a through groove; 1203. dialing a plate; 13. and (5) sealing rings.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, a valve plate sealing structure of a valve provided by an embodiment of the present invention includes a body 1, a fixed plate 2 is fixedly connected to the top of the body 1, a valve rod 3 is movably connected to an inner cavity of the body 1, a stop plate 4 is fixedly connected to the bottom of the valve rod 3, the top of the valve rod 3 sequentially penetrates through the body 1 and the fixed plate 2 and extends to the top of the body 1, a first fixing sleeve 5 and a second fixing sleeve 6 are respectively sleeved on the surface of the valve rod 3, sliding mechanisms 7 are respectively fixedly connected to the bottoms of the first fixing sleeve 5 and the second fixing sleeve 6, snap plates 8 are respectively fixedly connected to the top and the bottom of the left side of the second fixing sleeve 6, a slot 9 matched with the snap plate 8 is respectively formed at the top and the bottom of the right side of the first fixing sleeve 5, two limiting mechanisms 10 are movably connected to the inner cavity of the first fixing sleeve 5, and one sides of the two limiting mechanisms 10 opposite to each other are fixedly connected with a transmission mechanism 12.

Referring to fig. 2, the sliding mechanism 7 includes a groove body 701, the groove body 701 is disposed at the top of the fixed plate 2, an inner cavity of the groove body 701 is movably connected with a moving block 702, a movable rod 703 is fixedly connected to the top of the moving block 702, and the tops of the two movable rods 703 are respectively fixedly connected with the first fixed sleeve 5 and the second fixed sleeve 6.

Adopt above-mentioned scheme: through setting up slide mechanism 7, can fix first fixed cover 5 and the fixed cover 6 of second and fixed plate 2, the fixed cover 6 of first fixed cover 5 and second of being convenient for simultaneously slides on fixed plate 2 and carries out spacing fixed to valve rod 3.

Referring to fig. 3, the limiting mechanism 10 includes a spring 1001, a surface of the spring 1001 is movably connected to an inner cavity of the first fixing sleeve 5, a transverse plate 1002 is fixedly connected to both the top and the bottom of the spring 1001, and a limiting rod 1003 is fixedly connected to one side of the transverse plate 1002 far away from the spring 1001.

Adopt above-mentioned scheme: through setting up stop gear 10, can carry out spacing fixed with the fixed cover 6 of first fixed cover 5 and second, the fixed cover 6 cooperation of the fixed cover 5 of first of being convenient for and second is used and is carried out spacing fixed to valve rod 3, and the effectual use of having avoided, valve rod 3 atress returns and leads to cutting board 4 and body 1 to produce great gap, leads to the medium to reveal in a large number.

Referring to fig. 5, the transmission mechanism 12 includes two transmission rods 1201, opposite sides of the front and rear transmission rods 1201 are fixedly connected to a transverse plate 1002, through slots 1202 matched with the transmission rods 1201 are formed in front and rear sides of the first fixing sleeve 5, and a side of the transmission rod 1201 away from the transverse plate 1002 penetrates through the through slots 1202 and is fixedly connected to a shifting plate 1203.

Adopt above-mentioned scheme: through the arrangement of the transmission mechanism 12, a user can conveniently drive the transmission rod 1201 to move by pulling the shifting plate 1203 so as to drive the transverse plate 1002 to move, the limiting rod 1003 moves along with the transverse plate 1002 to limit and fix the clamping plate 8, and the use convenience of the invention is improved.

Referring to fig. 3, a through hole used in cooperation with the limiting rod 1003 is formed in the inner wall of the clamping groove 9, and one side of the limiting rod 1003, which is far away from the transverse plate 1002, penetrates through the through hole and extends to the inner cavity of the limiting groove 11.

Adopt above-mentioned scheme: through the arrangement of the through hole, the limiting rod 1003 can move up and down through the through hole to be in close contact with the limiting groove 11 to limit and fix the clamping plate 8, and the use stability of the clamping device is improved.

Referring to fig. 3, both sides of the transverse plate 1002 are fixedly connected with sliding blocks, and both sides of the inner wall of the first fixing sleeve 5 are provided with sliding grooves matched with the sliding blocks.

Adopt above-mentioned scheme: by arranging the sliding block and the sliding groove, the up-and-down movement stability of the transverse plate 1002 is improved, meanwhile, the friction force between the transverse plate 1002 and the first fixing sleeve 5 is effectively reduced, and the service life of the invention is prolonged.

Referring to fig. 4, a sealing ring 13 is sleeved at the bottom of the stop plate 4, and a groove matched with the sealing ring 13 is formed at the bottom of the inner wall of the body 1.

Adopt above-mentioned scheme: by arranging the sealing ring 13 and the groove, the sealing ring 13 is convenient to be in close contact with the groove, the stop plate 4 is sealed, a gap between the stop plate 4 and the body 1 is avoided, and the practicability of the invention is reduced.

Referring to fig. 5, a plurality of positioning blocks are fixedly connected to the inner walls of the first fixing sleeve 5 and the second fixing sleeve 6, and the positioning blocks are engaged with the valve rod 3.

Adopt above-mentioned scheme: through the arrangement of the positioning plate, the positioning block is conveniently meshed with the valve rod 3 to limit the valve rod 3, the valve rod 3 is effectively prevented from being forced to return, and the practicability of the invention is improved.

The working principle of the invention is as follows:

when the valve is used, when a user needs to stop the medium, the valve rod 3 can be screwed to drive the stop plate 4 to move downwards until the sealing ring 13 is tightly contacted with the groove, then the first fixing sleeve 5 and the second fixing sleeve 6 are controlled to move relatively, the upper shifting plate 1203 and the lower shifting plate 1203 are controlled to move relatively at the same time, the upper transmission rod 1201 and the lower transmission rod 1201 are driven to move relatively, the upper transverse plate 1002 and the lower transverse plate 1002 move relatively along with the transmission rod 1201, the spring 1001 is stressed and compressed, meanwhile, the upper and lower limiting rods 1003 move relatively along with the transverse plate 1002, when the clamping plate 8 completely enters the clamping groove 9, the locating piece meshes with valve rod 3, and the gag lever post 1003 corresponds with spacing groove 11, and the user loosens dials board 1203, and the reaction force is applyed to diaphragm 1002 to the spring 1001 of compression, drives two diaphragm 1002 opposite motions about the drive, and gag lever post 1003 moves to and 11 in close contact with spacing groove along with diaphragm 1002, carries out spacing fixed to cardboard 8, and then fixes valve rod 3.

In summary, the following steps: this valve plate seal structure of valve, through setting up body 1, fixed plate 2, valve rod 3, closing plate 4, first fixed cover 5, the fixed cover 6 of second, slide mechanism 7, the cardboard 8, draw-in groove 9, stop gear 10, spacing groove 11, drive mechanism 12 and sealing washer 13's cooperation is used, the valve plate of having solved current valve is mostly that not overlap and establishes the sealing washer, when cuting the medium, medium in the pipeline is very easily revealed through the gap between valve plate and the valve, harm has been caused to user's personal safety, the problem that the person of not convenient to use used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve plate seal structure of valve, includes body (1), its characterized in that: the improved structure of the valve comprises a body (1), wherein a fixed plate (2) is fixedly connected to the top of the body (1), a valve rod (3) is movably connected to the inner cavity of the body (1), a stop plate (4) is fixedly connected to the bottom of the valve rod (3), the top of the valve rod (3) sequentially penetrates through the body (1) and the fixed plate (2) and extends to the top of the body (1), a first fixed sleeve (5) and a second fixed sleeve (6) are respectively sleeved on the surface of the valve rod (3), sliding mechanisms (7) are respectively and fixedly connected to the bottoms of the first fixed sleeve (5) and the second fixed sleeve (6), clamping plates (8) are respectively and fixedly connected to the top and the bottom of the left side of the second fixed sleeve (6), clamping grooves (9) matched with the clamping plates (8) for use are respectively formed in the top and the bottom of the right side of the first fixed sleeve (5), the limiting groove (11) matched with the limiting mechanism (10) for use is formed in one side, opposite to the upper clamping plate (8), of the lower clamping plate, and the transmission mechanism (12) is fixedly connected to one side, opposite to the two limiting mechanisms (10).

2. A valve plate sealing structure of a valve according to claim 1, wherein: the sliding mechanism (7) comprises a groove body (701), the groove body (701) is arranged at the top of the fixing plate (2), a moving block (702) is movably connected to an inner cavity of the groove body (701), movable rods (703) are fixedly connected to the top of the moving block (702), and the tops of the two movable rods (703) are fixedly connected with the first fixing sleeve (5) and the second fixing sleeve (6) respectively.

3. A valve plate sealing structure of a valve according to claim 1, wherein: stop gear (10) include spring (1001), the surface of spring (1001) and the inner chamber swing joint of first fixed cover (5), the equal fixedly connected with diaphragm (1002) in top and the bottom of spring (1001), one side fixedly connected with gag lever post (1003) that spring (1001) were kept away from in diaphragm (1002).

4. A valve plate sealing structure of a valve according to claim 3, wherein: the transmission mechanism (12) comprises two transmission rods (1201), one side, opposite to the front transmission rod and the rear transmission rod (1201), of the front transmission rod and the rear transmission rod is fixedly connected with a transverse plate (1002), through grooves (1202) matched with the transmission rods (1201) are formed in the front side and the rear side of the first fixing sleeve (5), and one side, far away from the transverse plate (1002), of the transmission rod (1201) penetrates through the through grooves (1202) and is fixedly connected with a shifting plate (1203).

5. A valve plate sealing structure of a valve according to claim 3, wherein: the inner wall of the clamping groove (9) is provided with a through hole matched with the limiting rod (1003) for use, and one side, far away from the transverse plate (1002), of the limiting rod (1003) penetrates through the through hole and extends to the inner cavity of the limiting groove (11).

6. A valve plate sealing structure of a valve according to claim 3, wherein: the both sides of diaphragm (1002) all fixedly connected with slider, the spout that uses with the slider cooperation is all seted up to the both sides of first fixed cover (5) inner wall.

7. A valve plate sealing structure of a valve according to claim 1, wherein: the bottom cover of cutting off board (4) is equipped with sealing washer (13), the recess that uses with sealing washer (13) cooperation is seted up to the bottom of body (1) inner wall.

8. A valve plate sealing structure of a valve according to claim 1, wherein: the inner walls of the first fixing sleeve (5) and the second fixing sleeve (6) are fixedly connected with a plurality of positioning blocks, and the positioning blocks are meshed with the valve rod (3).