CN210600345U

CN210600345U - Self-sealing valve capable of preventing sealing element from falling off

Info

Publication number: CN210600345U
Application number: CN201921157025.7U
Authority: CN
Inventors: 尹吉丽
Original assignee: Nanjing Hongfeng Electric Co ltd
Current assignee: Nanjing Hongfeng Electric Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-22
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a valve of proclaiming oneself that sealing member drops is prevented, include from sealing the valve, from the central authorities through connection of valve bottom to have the air inlet, from the top of sealing the valve inner chamber and having seted up first dead slot, from the hollow board of bottom fixedly connected with of sealing the valve inner chamber, from the central authorities of sealing the valve inner chamber and having seted up the second dead slot, from the top of sealing the valve inner chamber and having seted up the third dead slot. The utility model discloses a structural design between movable rod and first sealing member and second sealing member and the third sealing member, can fix first sealing member and second sealing member and third sealing member on the movable rod, and through reset spring and rubber seal plate's structural design, can fix on the movable rod that the sealing member is more firm, the strength that receives when can also reducing sealing member and vent pipe striking simultaneously, the life of extension sealing member and prevent that the sealing member from droing from the movable rod, thereby the valve of proclaiming oneself that makes this prevent that the sealing member drops has reached the purpose that prevents that the sealing member from droing.

Description

Self-sealing valve capable of preventing sealing element from falling off

Technical Field

The utility model relates to a from valve technical field, concretely relates to prevent valve of proclaiming oneself that sealing member drops.

Background

The self-sealing valve is usually used for opening and closing various pipelines of a hydraulic system and a chemical system, has a wide application range, is not only used for the hydraulic system and the chemical system, but also applied to an electrical system, and is a metal valve with a wide action range.

At present, the sealing member in the self-sealing valve generally all sets up in the position department that pipeline and piston are connected of giving vent to anger, make the self-sealing valve can one directly support on the sealing member of pipeline of giving vent to anger under the condition that does not have the gassing, thereby play and prevent the condition that the position department that pipeline and piston are connected of giving vent to anger from appearing leaking gas, but the self-sealing valve is when daily use, the piston can reciprocal striking sealing member, make the sealing member appear damaging the deformation, thereby drop on the pipeline mouth of pipeline of giving vent to anger from, make no longer have the leakproofness from the valve.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a prevent valve of proclaiming oneself that sealing member drops.

The utility model discloses a self-sealing valve for preventing sealing element from falling off, which comprises a self-sealing valve, wherein the central through connection of the bottom of the self-sealing valve is provided with an air inlet, the top of the inner cavity of the self-sealing valve is provided with a first hollow groove, the bottom of the inner cavity of the self-sealing valve is fixedly connected with a hollow plate, the central of the inner cavity of the self-sealing valve is provided with a second hollow groove, the top of the inner cavity of the self-sealing valve is provided with a third hollow groove, the top of the self-sealing valve is provided with an air outlet, the inner cavity of the air outlet is movably inserted with a movable push block, the bottom of the movable push block is fixedly connected with a fixed plate which is positioned in the inner cavity of the self-sealing valve, the top of the fixed plate is fixedly connected with a third sealing element, the central of the bottom of the fixed plate is fixedly connected with a movable rod, the, the bottom of the first sealing element is fixedly connected with a return spring.

The utility model discloses a prevent from sealing valve that sealing member drops, wherein first sealing member is arranged in the inner chamber of second dead slot, and the positive length of first sealing member agrees with mutually with the positive length of second dead slot.

The utility model discloses a prevent valve of proclaiming oneself that sealing member drops wherein the round hole has been seted up to the central authorities of hollow core slab body, and the slab body of hollow core slab has seted up around the cylinder equidistance and has filtered the hole, and the bottom of movable rod body is pegged graft in the inner chamber of round hole.

The utility model discloses a prevent valve of proclaiming oneself that sealing member drops, wherein one side fixed connection that the movable rod was kept away from to small-size fixed block in the top and the bottom of second sealing member, the equal fixedly connected with rubber seal plate in top of second sealing member and third sealing member.

The utility model discloses a prevent from sealing valve that sealing member drops, wherein the positive length of second sealing member agrees with the positive length of third dead slot mutually, and the positive length of fixed plate agrees with mutually with the positive length of first dead slot.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model can lead the air pressure to enter the self-sealing valve through the air inlet, lead the first sealing element to block the pipeline between the second empty groove and the third empty groove through the structural design between the reset spring and the first sealing element and the structural design between the first sealing element and the second empty groove, thereby sealing the interior of the self-sealing valve, lead the first sealing element, the second sealing element and the third sealing element to be fixed on the movable rod through the structural design between the movable rod and the first sealing element as well as between the second sealing element and the third sealing element, lead the sealing element to be more stably fixed on the movable rod through the structural design between the reset spring and the rubber sealing plate, simultaneously reduce the force received when the sealing element collides with the ventilation pipeline, prolong the service life of the sealing element and prevent the sealing element from falling off from the movable rod, therefore, the self-sealing valve for preventing the sealing element from falling off achieves the aim of preventing the sealing element from falling off.

2. The utility model discloses a structural design of activity ejector pad, can make things convenient for the staff to press down the activity ejector pad and make the movable rod move down, make the sealing member no longer plug up the vent pipe in the self-sealing valve, make and can emit internal atmospheric pressure from the valve, the structural design of rethread small type fixed block, can more firmly fix the second sealing member on the movable rod, prevent that the second sealing member from droing from the movable rod, structural design between rethread reset spring and the fixed plate, can make reset spring can promote first sealing member and make the movable rod rebound, thereby make the sealing member plug up the vent pipe of self-sealing valve inside, make this self-sealing valve that prevents that the sealing member from droing reach the sealed purpose of oneself.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the front overall structure of the present invention;

fig. 2 is a schematic view of the top view of the hollow slab of the present invention.

In the figure: 1. an air inlet; 2. a hollow slab; 3. a self-sealing valve; 4. a movable rod; 5. a first empty slot; 6. a return spring; 7. a first seal member; 8. a second empty slot; 9. a second seal member; 10. a rubber sealing plate; 11. a small-sized fixed block; 12. a third empty slot; 13. a fixing plate; 14. a third seal member; 15. an air outlet; 16. a movable push block; 17. a circular hole; 18. and (4) filtering holes.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in the figure 1-2, the self-sealing valve for preventing the sealing element from falling comprises a self-sealing valve 3, wherein the center of the bottom of the self-sealing valve 3 is connected with an air inlet 1 in a through manner, the top of the inner cavity of the self-sealing valve 3 is provided with a first empty slot 5, the bottom of the inner cavity of the self-sealing valve 3 is fixedly connected with a hollow plate 2, the center of the inner cavity of the self-sealing valve 3 is provided with a second empty slot 8, the top of the inner cavity of the self-sealing valve 3 is provided with a third empty slot 12, the top of the self-sealing valve 3 is provided with an air outlet 15, the inner cavity of the air outlet 15 is movably inserted with a movable push block 16, the bottom of the movable push block 16 and the body positioned in the inner cavity of the self-sealing valve 3 are fixedly connected with a fixed plate 13, the top of the fixed plate 13 is fixedly connected with a third sealing element 14, the center of the bottom of the fixed plate 13 is fixedly connected, the bottom of the rod body of the movable rod 4 is fixedly sleeved with a first sealing element 7, and the bottom of the first sealing element 7 is fixedly connected with a return spring 6.

The first sealing element 7 is positioned in the inner cavity of the second hollow groove 8, the length of the front surface of the first sealing element 7 is matched with that of the front surface of the second hollow groove 8, and the design is beneficial to the fact that the first sealing element 7 can block the vent pipeline between the second hollow groove 8 and the air inlet 1.

Round hole 17 has been seted up at the central authorities of 2 board bodies of hollow core slab, and the board body of hollow core slab 2 has seted up around the cylinder equidistance and has filtered hole 18, and the bottom of the 4 pole bodies of movable rod is pegged graft in the inner chamber of round hole 17, and this design is favorable to hollow core slab 2 not blockking gaseous inflow, and hollow core slab 2 can filter gas simultaneously.

One side fixed connection that small-size fixed block 11 kept away from movable rod 4 is in the top and the bottom of second sealing member 9, and the equal fixedly connected with rubber seal board 10 in top of second sealing member 9 and third sealing member 14, and this design is of value to the impact force that receives when can reducing the block between second dead slot 8 and third sealing member 14 and the intercommunication pipeline.

The length of the front surface of the second sealing element 9 is matched with the length of the front surface of the third empty groove 12, and the length of the front surface of the fixing plate 13 is matched with the length of the front surface of the first empty groove 5, so that the second sealing element 9 can block a ventilation pipeline between the third empty groove 12 and the second empty groove 8, and the fixing plate 13 can move up and down in the first empty groove 5 to enable the third sealing element 14 to block the air outlet 15.

When the utility model is used, gas enters the inner cavity of the self-sealing valve 3 from the gas inlet 1, at the moment, the reset spring 6 on the hollow plate 2 can push the first sealing element 7 to move upwards, so that the first sealing element 7 can push the movable rod 4 to move upwards, the first sealing element 7 can block the vent pipeline between the gas inlet 1 and the third empty slot 12, so that the gas is blocked in the inner cavities of the gas inlet 1 and the self-sealing valve 3, once the first sealing element 7 is damaged or has the loss of tightness, the second sealing element 9 is driven by the movable rod 4 to move upwards, so that the second sealing element 9 blocks the vent pipeline between the third empty slot 12 and the first empty slot 5, and meanwhile, the third sealing element 14 can also move upwards to block the gas outlet 15, so that the service life of the self-sealing valve 3 is prolonged, and the pressure received when the sealing element collides with the vent pipeline can be greatly reduced through the rubber sealing plate 10 on the sealing element, and because link together between first sealing member 7 and the reset spring 6, can transmit certain power to reset spring 6 when making first sealing member 7 and vent-pipe striking to reduce the impact force that first sealing member 7 received, thereby prolong the life of first sealing member 7, prevent that first sealing member 7 from coming off in the valve 3 from proclaiming oneself.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a prevent valve of proclaiming oneself that sealing member drops, includes self-sealing valve (3), its characterized in that: the central portion of the bottom of the self-sealing valve (3) is connected with an air inlet (1) in a through mode, a first empty groove (5) is formed in the top of an inner cavity of the self-sealing valve (3), a hollow plate (2) is fixedly connected with the bottom of the inner cavity of the self-sealing valve (3), a second empty groove (8) is formed in the central portion of the inner cavity of the self-sealing valve (3), a third empty groove (12) is formed in the top of the inner cavity of the self-sealing valve (3), an air outlet (15) is formed in the top of the self-sealing valve (3), a movable push block (16) is movably inserted into the inner cavity of the air outlet (15), a fixed plate (13) is fixedly connected to the bottom of the movable push block (16) and a block body positioned in the inner cavity of the self-sealing valve (3), a third sealing element (14) is fixedly connected to the top of the fixed plate (13), a movable rod (4) is fixedly connected to the central portion of, the middle of the rod body of the movable rod (4) is fixedly connected with small fixed blocks (11) at equal intervals around the circumference, the bottom of the rod body of the movable rod (4) is fixedly sleeved with a first sealing element (7), and the bottom of the first sealing element (7) is fixedly connected with a return spring (6).

2. The self-sealing valve for preventing the sealing element from falling off according to claim 1, characterized in that: the first sealing element (7) is positioned in the inner cavity of the second hollow groove (8), and the length of the front surface of the first sealing element (7) is matched with that of the front surface of the second hollow groove (8).

3. The self-sealing valve for preventing the sealing element from falling off according to claim 1, characterized in that: a round hole (17) is formed in the center of the plate body of the hollow plate (2), filter holes (18) are formed in the plate body of the hollow plate (2) at intervals around the cylinder, and the bottom of the rod body of the movable rod (4) is inserted into an inner cavity of the round hole (17).

4. The self-sealing valve for preventing the sealing element from falling off according to claim 1, characterized in that: one side of the small fixing block (11) far away from the movable rod (4) is fixedly connected to the top and the bottom of the second sealing piece (9), and rubber sealing plates (10) are fixedly connected to the tops of the second sealing piece (9) and the third sealing piece (14).

5. The self-sealing valve for preventing the sealing element from falling off according to claim 1, characterized in that: the length of the front surface of the second sealing element (9) is matched with that of the front surface of the third empty groove (12), and the length of the front surface of the fixing plate (13) is matched with that of the front surface of the first empty groove (5).