CN217381708U

CN217381708U - Ball valve ball body with non-return function

Info

Publication number: CN217381708U
Application number: CN202220917845.7U
Authority: CN
Inventors: 肖海兵; 戴伟燕; 朱露根; 金炀莱; 尤利泽
Original assignee: QIUBAO VALVE CO Ltd
Current assignee: QIUBAO VALVE CO Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-06
Anticipated expiration: 2032-04-20

Abstract

The utility model provides a ball valve ball with non-return function, belonging to the technical field of ball valve opening and closing parts, the ball valve ball with non-return function comprises a ball opening and closing part and a communicating hole arranged in the ball opening and closing part, a fixed block is fixedly connected in the communicating hole, a flow inlet is arranged in the fixed block, a communicating plate is fixedly connected in the flow inlet, a flow outlet plate is fixedly connected in the communicating hole, and a plurality of flow through holes are arranged in the flow outlet plate; the lateral wall of the inflow opening is provided with a sealing through hole, when fluid flows in a reverse phase, the one-way sealing assembly is extruded in a reverse direction, so that the one-way sealing assembly blocks the communicated sealing of the sealing through hole and the circulation groove, the communication hole flows inside, the function of stopping the flow is achieved, meanwhile, the one-way sealing assembly is driven to move by the aid of countercurrent fluid pressure, and the larger the fluid pressure is, the stronger the sealing performance is, and higher pressure can be borne.

Description

Ball valve ball body with non-return function

Technical Field

The utility model belongs to the technical field of the ball valve is opened and close, concretely relates to ball valve spheroid with end contrary function.

Background

The ball valve is a valve with a ball body driven by a valve rod and rotating around the axis of the ball valve, and can also be used for adjusting and controlling fluid, and the ball valve is divided into a pneumatic ball valve, an electric ball valve and a manual ball valve according to a driving mode. Ball valves are widely used in petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and other industries.

In the prior art, the middle of a ball opening and closing piece in the ball valve is hollow, so that fluid can pass through the ball opening and closing piece when the ball opening and closing piece is opened, but the fluid is not limited when passing through the ball opening and closing piece after the ball opening and closing piece is opened, and the phenomenon of fluid backflow can occur in a communication pipeline after the output of a fluid output end is stopped, so that the pipeline is easily blocked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve spheroid with end contrary function, it keeps cavity in the middle of the spheroid opening and closing piece to aim at solving among the prior art for supply fluid to pass through when opening, but the spheroid opening and closing piece is opened the back, and then unrestricted when fluid passes through the spheroid opening and closing piece, after fluid output end stops exporting, the phenomenon that the fluid flows against the current can appear in the intercommunication pipeline, causes the problem of pipe blockage easily.

In order to achieve the above object, the utility model provides a following technical scheme:

a ball valve ball body with a non-return function comprises a ball opening and closing part and a communication hole formed in the ball opening and closing part, wherein a fixed block is fixedly connected in the communication hole, a flow inlet is formed in the fixed block, a communication plate is fixedly connected in the flow inlet, a flow outlet plate is fixedly connected in the communication hole, and a plurality of circulation through holes are formed in the flow outlet plate; the side wall of the inflow opening is provided with a sealing through hole, the circumferential inner wall of the communicating hole is provided with a circulating groove, the sealing through hole is intermittently communicated with the circulating groove, a group of one-way sealing assemblies are arranged between the communicating plate and the outflow plate, and the one-way sealing assemblies are used for controlling the communication between the sealing through hole and the circulating groove.

As a preferred scheme, one-way seal assembly includes sliding connection in the intercommunication board and the interior slide bar of outflow board, the circumference fixed surface of slide bar is connected with the push pedal, the side fixedly connected with sealing ring of fixed block, fixedly connected with sealing washer in the sealing ring, fixedly connected with end spring between the push pedal and the tip that the outflow board is close to, the circumference surface of slide bar is located to end spring housing.

As an optimal scheme of the utility model, the equal fixedly connected with limiting plate in both ends of slide bar, the slide bar is the cross form.

As a preferred scheme of the utility model, the push pedal is close to the one end of sealing washer and has been seted up annular intermittent type, fixedly connected with rubber packing pad in the clearance, rubber packing pad and sealing washer contact.

As a preferred scheme of the utility model, the push pedal is close to the one end fixedly connected with sealing plug of sealed through-hole, sealed through-hole and sealing plug phase-match.

As an optimized scheme, one of them the side fixedly connected with seal baffle of limiting plate, seal baffle is close to a plurality of jam plates of one end fixedly connected with that the play flows the board, and is a plurality of jam plate respectively with a plurality of circulation through-hole phase-matchs.

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

1. in the device, the communication between the sealing through hole and the circulation groove can be controlled by the one-way sealing assembly, when fluid in the valve body normally runs, the fluid can extrude the one-way sealing assembly to remove the sealing of the one-way sealing assembly, so that the sealing through hole, the circulation groove and the communication hole can keep the connectivity, the fluid can pass through the one-way sealing assembly, when the fluid reversely flows, the one-way sealing assembly can be extruded in the opposite direction, the one-way sealing assembly can seal the sealing through hole and the circulation groove in a blocking way, the communication hole internally circulates, the check function can be achieved, meanwhile, the one-way sealing assembly is driven to move by the countercurrent fluid pressure, the larger the fluid pressure is, the stronger the sealing performance is, and higher pressure can be borne.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a cross-sectional view of a ball valve body with a non-return function according to the present invention;

fig. 2 is a partial enlarged view of a portion a in fig. 1 of a ball body of a ball valve with a non-return function according to the present invention;

fig. 3 is a first partial cross-sectional view of a ball valve body with a non-return function according to the present invention;

fig. 4 is a second partial cross-sectional view of a ball valve body with a non-return function according to the present invention;

fig. 5 is a partial perspective view of a ball valve body with a non-return function according to the present invention.

In the figure: 1. a ball opening and closing member; 2. a communicating hole; 3. a fixed block; 4. a flow inlet; 5. a communication plate; 6. sealing the through hole; 7. a sealing plug; 8. pushing the plate; 9. a slide bar; 10. a limiting plate; 11. a non-return spring; 12. a flow outlet plate; 13. sealing the baffle; 14. a blocking plate; 15. a circulation tank; 16. a seal ring; 17. a rubber gasket; 18. a seal ring; 19. a flow-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to figures 1-5 of the drawings,

a ball valve ball body with a non-return function comprises a ball opening and closing part 1 and a communicating hole 2 arranged in the ball opening and closing part 1, wherein a fixed block 3 is fixedly connected in the communicating hole 2, a flow inlet 4 is formed in the fixed block 3, a communicating plate 5 is fixedly connected in the flow inlet 4, a flow outlet plate 12 is fixedly connected in the communicating hole 2, and a plurality of flow through holes 19 are formed in the flow outlet plate 12; the lateral wall of the inflow opening 4 is provided with a sealing through hole 6, the circumferential inner wall of the communicating hole 2 is provided with a circulating groove 15, the sealing through hole 6 is intermittently communicated with the circulating groove 15, a group of one-way sealing assemblies are arranged between the communicating plate 5 and the outflow plate 12, and the one-way sealing assemblies are used for controlling the communication between the sealing through hole 6 and the circulating groove 15.

The utility model discloses a in the concrete embodiment, this device can control the intercommunication between sealed through-hole 6 and the circulation groove 15 through one-way seal assembly, when the fluid normal operating in the valve body, fluid can extrude one-way seal assembly and relieve its sealedly, make sealed through-hole 6, circulation groove 15 and intercommunicating pore 2 can keep the connectivity, supply the fluid to pass through, when the fluid circulation that turns over mutually appears, can extrude one-way seal assembly in the opposite direction, thereby make one-way seal assembly block the sealed of intercommunication to sealed through-hole 6 and circulation groove 15, make the inside circulation of intercommunicating pore 2, thereby can play the function of contrary, and simultaneously, utilize the fluid pressure of adverse current to go to drive one-way seal assembly and move, fluid pressure is big more, the leakproofness is just stronger, can bear higher pressure.

Example 2

Specifically, one-way seal assembly includes sliding connection in intercommunication board 5 and the slide bar 9 that flows in the board 12, and the circumference surface fixedly connected with push pedal 8 of slide bar 9, the side fixedly connected with sealing ring 16 of fixed block 3, fixedly connected with sealing washer 18 in the sealing ring 16, fixedly connected with check spring 11 between the push pedal 8 and the tip that the board 12 that flows is close to mutually, and the circumference surface of slide bar 9 is located to check spring 11 cover.

In this embodiment: because push pedal 8 and sealing plug 7 promote through check spring 11's elasticity and seal up through sealed through-hole 6 and circulation groove 15, pressure through the forward circulation can extrude sealing plug 7 and push pedal 8 to the circulation direction and move, thereby extrude check spring 11, push pedal 8 and sealing plug 7 receive the extrusion and drive limiting plate 10 and slide in intercommunication board 5 and outflow board 12, thereby it removes the sealed to a plurality of circulation through-holes 19 to drive a plurality of jam boards 14 through sealed baffle 13, can keep the connectivity in whole intercommunicating pore 2, but when reverse circulation appears in the fluid, push pedal 8 and sealing plug 7 have lost the extrusion force when the circulation cisoid circulation, check spring 11's elasticity promotes push pedal 8 and sealing plug 7 and resets, seal up through-hole 6 and circulation groove 15 and seal up.

Example 3

Specifically, both ends of the sliding rod 9 are fixedly connected with limiting plates 10, and the sliding rod 9 is in a cross shape.

In this embodiment: the slide rod 9 can only slide in the left and right directions in the communication plate 5 and the outflow plate 12, and the rotation which can occur in a cylindrical shape is avoided.

Example 4

Specifically, one end of the push plate 8, which is close to the sealing ring 18, is provided with an annular interval, a rubber sealing gasket 17 is fixedly connected in the gap, and the rubber sealing gasket 17 is in contact with the sealing ring 18.

In this embodiment: the sealing performance of the check is increased.

Example 5

Specifically, one end of the push plate 8, which is close to the sealing through hole 6, is fixedly connected with a sealing plug 7, and the sealing through hole 6 is matched with the sealing plug 7.

In this embodiment: further increasing the reliability of the sealing between the sealing through-hole 6 and the flow-through groove 15.

Example 6

Specifically, a sealing baffle 13 is fixedly connected to a side end of one of the limiting plates 10, a plurality of blocking plates 14 are fixedly connected to one end of the sealing baffle 13 close to the outflow plate 12, and the plurality of blocking plates 14 are respectively matched with the plurality of through holes 19.

In this embodiment: the push plate 8 and the sealing plug 7 are pushed to reset by the elasticity of the non-return spring 11, so that the slide rod 9 is driven to reset, the slide rod 9 drives the plurality of sealing baffles 13 to seal the circulation through hole 19 formed in the outflow plate 12 again, and the non-return strength is ensured.

The working principle is as follows: when fluid flows in the normal direction in the device, the fluid enters the flow inlet 4 through the communicating hole 2 and the communicating plate 5 and then enters the sealing through hole 6, because the push plate 8 and the sealing plug 7 are pushed by the elasticity of the check spring 11 to seal the sealing through hole 6 and the flow groove 15, the sealing plug 7 and the push plate 8 can be extruded to move towards the flow direction by the pressure of forward flow, so as to extrude the check spring 11, the push plate 8 and the sealing plug 7 are extruded to drive the limiting plate 10 to slide in the communicating plate 5 and the flow plate 12, so as to drive the plurality of plugging plates 14 to remove the sealing of the plurality of flow through holes 19 by the sealing baffle 13, so as to maintain the connectivity in the whole communicating hole 2, but when the fluid flows reversely, the push plate 8 and the sealing plug 7 lose the extrusion force when the flow flows forwards, the push plate 8 and the sealing plug 7 are pushed to reset by the elasticity of the check spring 11, the sealing through hole 6 and the circulation groove 15 are sealed, and meanwhile, the push plate 8 and the sealing plug 7 can be extruded by reverse circulation pressure, so that the push plate and the sealing plug are attached to the side end of the fixing block 3 and the inner wall of the sealing through hole 6, and the sealing performance is guaranteed.

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.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a ball valve spheroid with contrary function of ending, includes spheroid opening and closing piece (1) and opens intercommunication hole (2) in spheroid opening and closing piece (1), its characterized in that: a fixed block (3) is fixedly connected in the communicating hole (2), a flow inlet (4) is formed in the fixed block (3), a communicating plate (5) is fixedly connected in the flow inlet (4), a flow outlet plate (12) is fixedly connected in the communicating hole (2), and a plurality of circulation through holes (19) are formed in the flow outlet plate (12);

the side wall of the inflow opening (4) is provided with a sealing through hole (6), the circumferential inner wall of the communicating hole (2) is provided with a circulating groove (15), the sealing through hole (6) is intermittently communicated with the circulating groove (15), a group of one-way sealing assemblies are arranged between the communicating plate (5) and the outflow plate (12), and the one-way sealing assemblies are used for controlling the communication between the sealing through hole (6) and the circulating groove (15).

2. A ball valve body with a non-return function according to claim 1, characterized in that: one-way seal assembly includes sliding connection in communicating plate (5) and the interior slide bar (9) of class board (12) that flows of play, the circumference fixed surface of slide bar (9) is connected with push pedal (8), the side fixedly connected with sealing ring (16) of fixed block (3), fixedly connected with sealing washer (18) in sealing ring (16), fixedly connected with contrary spring (11) between push pedal (8) and the tip that class board (12) of effluenting are close to mutually, the circumference surface of slide bar (9) is located to contrary spring (11) cover.

3. A ball valve body with a non-return function according to claim 2, characterized in that: limiting plates (10) are fixedly connected to two ends of the sliding rod (9), and the sliding rod (9) is in a cross shape.

4. A ball valve body with a non-return function according to claim 3, characterized in that: annular gap has been seted up to push pedal (8) one end near sealing washer (18), fixedly connected with rubber packing pad (17) in the clearance, rubber packing pad (17) and sealing washer (18) contact.

5. The ball valve body with the check function as claimed in claim 4, wherein: one end of the push plate (8) close to the sealing through hole (6) is fixedly connected with a sealing plug (7), and the sealing through hole (6) is matched with the sealing plug (7).

6. The ball valve body with the check function as claimed in claim 5, wherein: one of them the side fixedly connected with seal baffle (13) of limiting plate (10), seal baffle (13) are close to a plurality of jam plates (14) of one end fixedly connected with of play flow board (12), and are a plurality of jam plate (14) respectively with a plurality of circulation through-hole (19) phase-matchs.