CN217130381U

CN217130381U - Hollow valve

Info

Publication number: CN217130381U
Application number: CN202220890806.2U
Authority: CN
Inventors: 马洪庆
Original assignee: Yantai Laide Fluid Technology Co ltd
Current assignee: Yantai Laide Fluid Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-05
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a lead to heart valve relates to valve technical field, including overcoat, seal cover and case cover, the case cover sets up inside the overcoat, and the case cover is rotatable to be set up in the case cover, and the top an organic whole of case cover is provided with the case, is provided with first opening on the overcoat, is provided with the second opening on the case cover, and the case is sheathe in and is provided with the third opening, first opening, second opening and third opening looks adaptation, and the size of third opening is not more than first opening and second open-ended size. The utility model discloses compact structure, the security of guaranteeing to use is become invalid when effective prevention is used, does not have the interface that exposes, has avoided the risk of revealing, and the opening latus rectum is big, and furthest guarantees flow and velocity of flow, and the switch is quick, and is easy and simple to handle, adopts stainless steel, and is anticorrosive, and overall structure intensity is high, long service life, and overall structure is simple, and is with low costs, and application scope is wide.

Description

Hollow valve

Technical Field

The utility model relates to the technical field of valves, specifically a lead to heart valve.

Background

In geothermol power, water supply and warm logical system, for the intercommunication and the closure of control supply line, need install numerous valves on the pipeline, the valve structure who uses at present is various, avoids the long-time oxidation that uses of valve, adopts copper valve more to improve the life of valve, among the prior art, there is following shortcoming in structure and material for copper valve: after long-term use, the copper material is easy to corrode, so that the valve fails, the sealing performance is reduced, and leakage is generated; the copper ball valve has a small structure drift diameter and is easy to block; the copper valve has complex structure and high cost. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a through valve.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a lead to heart valve, includes overcoat, seal cover and case cover, and the seal cover sets up inside the overcoat, and the case cover is rotatable to be set up in the seal cover, and the top an organic whole of case cover is provided with the case, is provided with first opening on the overcoat, is provided with the second opening on the seal cover, and the case is sheathe in and is provided with the third opening, first opening, second opening and third opening looks adaptation, and the size of third opening is not more than first opening and second open-ended size.

Preferably, the valve core is sleeved with a valve core seat, the top surface of the valve core seat is provided with a step, a sealing ring is arranged between the valve core seat and the valve core, the valve core is provided with a mounting hole, a pin shaft is arranged in the mounting hole, and the pin shaft can abut against the step.

Preferably, the valve core sleeve is of a hollow circular truncated cone structure, and a cavity matched with the circular truncated cone structure of the valve core sleeve is arranged in the sealing sleeve.

Preferably, the valve core sleeve is of a hollow cylindrical structure, and a cavity matched with the cylindrical structure of the valve core sleeve is arranged in the sealing sleeve.

Preferably, the inner circumferential surface of the outer sleeve is provided with an internal spline, and the outer circumferential surface of the sealing sleeve is provided with an external spline matched with the internal spline.

Preferably, the top end of the valve core is detachably provided with a handle.

Preferably, the top of the sealing sleeve is provided with an upper cover which is of a circular ring structure.

Preferably, the bottom of the outer sleeve is detachably provided with a joint, and the upper part of the joint abuts against the sealing sleeve.

Preferably, a sealing gasket is arranged between the joint and the sealing sleeve.

Preferably, the outer sleeve, the sealing sleeve, the valve core and the upper cover are all made of stainless steel materials.

Compared with the prior art, the utility model discloses beneficial effect as follows:

the utility model discloses compact structure, the security of guaranteeing to use is become invalid when effective prevention is used, does not have the interface that exposes, has avoided the risk of revealing, and the opening latus rectum is big, and furthest guarantees flow and velocity of flow, and the switch is quick, and is easy and simple to handle, adopts stainless steel, and is anticorrosive, and overall structure intensity is high, long service life, and overall structure is simple, and is with low costs, and application scope is wide.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention (without handle, joint and valve core seat);

FIG. 3 is a schematic view of the three-dimensional structure of the utility model in use;

FIG. 4 is a left side view of the structure of the utility model;

FIG. 5 is a schematic sectional view of the cross-sectional structure A-A of FIG. 4 according to the present invention (embodiment I);

FIG. 6 is a schematic view of the three-dimensional structure of the outer cover of the present invention;

fig. 7 is a schematic view of a three-dimensional structure of a sealing sleeve according to a first embodiment of the present invention;

fig. 8 is a schematic view of a three-dimensional structure of a valve core sleeve according to a first embodiment of the present invention;

fig. 9 is a schematic view of a three-dimensional structure of the valve core seat of the present invention;

FIG. 10 is a schematic sectional view of the structure of FIG. 4A-A (embodiment II);

fig. 11 is a schematic view of a three-dimensional structure of a sealing sleeve according to a second embodiment of the present invention;

fig. 12 is a schematic view of a three-dimensional structure of a valve core sleeve according to a second embodiment of the present invention.

In the figure: 1. a handle; 2. a valve core; 21. mounting holes; 3. a pin shaft; 4. a valve core seat; 41. a step; 5. a square tube; 6. a jacket; 61. a first opening; 7. sealing sleeves; 71. a second opening; 8. a joint; 9. a gasket; 10. an upper cover; 11. a valve core sleeve; 111. a third opening; 12. and (5) sealing rings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.

Example one

Referring to fig. 1-9, a through valve includes an outer sleeve 6, a sealing sleeve 7 and a valve core sleeve 11, an inner circumferential surface of the outer sleeve 6 is processed with an inner spline, an outer spline is processed on an outer circumferential surface of the sealing sleeve 7, the outer spline is matched with the inner spline, the sealing sleeve 7 is installed inside the outer sleeve 6 through the inner spline and the outer spline which are matched with each other, the valve core sleeve 11 is installed inside the sealing sleeve 7 and can rotate inside the sealing sleeve 7, the opening and closing function is achieved through the rotation of the valve core sleeve 11, the valve core sleeve 11 is processed into a hollow circular truncated cone structure, the corresponding sealing sleeve 7 is processed into a conical cavity which is matched with the circular truncated cone structure of the valve core sleeve 11, the position of the valve core sleeve 11 installed inside the sealing sleeve 7 can be limited by the circular truncated cone structure and the corresponding conical cavity, the sealing effect between the valve core sleeve 11 and the sealing sleeve 7 is improved, and leakage is prevented, meanwhile, the circular truncated cone-shaped valve core sleeve 11 can increase the drift diameter of the bottom of the valve core sleeve 11, so that the flow and the flow speed of water flow are ensured during use;

the top end of the valve core sleeve 11 is integrally welded with a valve core 2, the top end of the valve core 2 is connected with a handle 1 in a spline or threaded connection mode, the valve core 2 is driven to rotate by rotating the handle 1, so that the valve core sleeve 11 is driven to rotate, the opening and closing purpose is achieved, the operation is simple and convenient, the switch is rapid, the valve core base 4 is sleeved on the valve core 2, a step 41 is processed on the top surface of the valve core base 4, an installation hole 21 is processed on the valve core 2, a pin shaft 3 is inserted in the installation hole 21, the pin shaft 3 is located above the horizontal plane of the step 41, when the valve core 2 rotates, the pin shaft 3 can abut against the vertical plane of the step 41 to limit the rotating angle of the valve core 2 and the valve core sleeve 11, a sealing ring 12 is installed on the valve core 2, the sealing ring 12 is located between the valve core 2 and the valve core base 4, and the sealing between the valve core 2 and the valve core base 4 is improved through the sealing ring 12 to prevent leakage;

the top of the sealing sleeve 7 is provided with an upper cover 10, the upper cover 10 is of an annular structure and is used for limiting the position of the sealing sleeve 7 arranged in the outer sleeve 6, the bottom of the outer sleeve 6 is provided with a joint 8 in a threaded connection mode, the upper part of the joint 8 can press the sealing sleeve 7 and the valve core sleeve 11 by screwing the joint 8, the sealing sleeve 7 and the valve core sleeve 11 are assembled in the outer sleeve 6 in a pressing mode, the sealing gasket 9 is arranged between the joint 8 and the sealing sleeve 7, the sealing performance between the joint 8 and the sealing sleeve 7 is improved by screwing the joint 8 to press the sealing gasket 9, leakage is prevented, and the outer sleeve 6, the sealing sleeve 7, the valve core sleeve 11, the valve core 2 and the upper cover 10 are all made of stainless steel materials, so that the corrosion resistance is high, the overall structural strength is high, and the service life is long;

the outer sleeve 6 is provided with a first opening 61, the sealing sleeve 7 is provided with a second opening 71, the valve core sleeve 11 is provided with a third opening 111, the first opening 61, the second opening 71 and the third opening 111 are matched with the third opening 111, and the size of the third opening 111 is not larger than that of the first opening 61 and the second opening 71, during installation, an internal spline on the outer sleeve 6 and an external spline on the sealing sleeve 7 are adjusted, so that the positions of the first opening 61 and the second opening 71 are overlapped, when the third opening 111 is overlapped with the first opening 61 and the second opening 71, the pipeline is communicated, water flow is opened, and when the valve core sleeve 11 is rotated 180 degrees, the third opening 111 leaves the positions of the first opening 61 and the second opening 71, the pipeline is closed, and the water flow is cut off.

Example two

Referring to fig. 9-12, the present embodiment is a structural improvement based on the first embodiment, and is different from the first embodiment in that the valve core sleeve 11 of the present embodiment is a hollow cylindrical structure, the top end of the valve core sleeve 11 is integrally welded with the valve core 2, the interior of the sealing sleeve 7 is processed into a cavity matched with the cylindrical structure of the valve core sleeve 11, the valve core sleeve 11 and the sealing sleeve 7 which are cylindrical structures are adopted, the structure is simple, the processing is convenient, the processing cost is low, during assembly, the joint 8 is screwed down, the sealing sleeve 7 and the valve core sleeve 11 are installed in the outer sleeve 6 in a pressing manner, and the assembly position and the pressing force are limited by the upper cover 10 installed on the top of the sealing sleeve 7 and the valve core sleeve 11.

The working principle is as follows: during the use, will the utility model discloses install inside square pipe 5, the outside does not have the interface that exposes, stop the risk of revealing, the lower part of overcoat 6 and square pipe 5 pass through welding mode fixed connection, the upper end of overcoat 6 and the inside roof of square pipe 5 are leaned on neatly, 4 welding of case seat are at the upper surface of square pipe 5, through screwing up joint 8, with seal cover 7, the inside of overcoat 6 is assembled into to case cover 11 and case 2, install handle 1 on case 2, turning handle 1 drives case 2 and case cover 11 and is 180 fan-shaped rotations, realize opening and close of rivers.

It should be noted that, in the embodiment of the present invention, the handle 1, the pin shaft 3, the sealing pad 9, the sealing ring 12, the external spline and the internal spline are all prior art applications.

In the description of this patent, it is to be understood that the terms "upper," "lower," "inner," "outer," "center," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "combined," "disposed," "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, releasably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A through-center valve, characterized in that: including overcoat (6), seal cover (7) and valve core cover (11), seal cover (7) set up inside overcoat (6), valve core cover (11) rotatable setting is in seal cover (7), the top an organic whole of valve core cover (11) is provided with case (2), be provided with first opening (61) on overcoat (6), be provided with second opening (71) on seal cover (7), be provided with third opening (111) on valve core cover (11), first opening (61), second opening (71) and third opening (111) looks adaptation, the size of third opening (111) is not more than the size of first opening (61) and second opening (71).

2. The vent valve of claim 1, wherein: the valve core (2) is sleeved with a valve core seat (4), the top surface of the valve core seat (4) is provided with a step (41), a sealing ring (12) is arranged between the valve core seat (4) and the valve core (2), the valve core (2) is provided with a mounting hole (21), a pin shaft (3) is arranged in the mounting hole (21), and the pin shaft (3) can abut against the step (41).

3. The vent valve of claim 2, wherein: the valve core sleeve (11) is of a hollow circular truncated cone structure, and a cavity matched with the circular truncated cone structure of the valve core sleeve (11) is formed in the sealing sleeve (7).

4. The vent valve of claim 2, wherein: the valve core sleeve (11) is of a hollow cylindrical structure, and a cavity matched with the cylindrical structure of the valve core sleeve (11) is formed in the sealing sleeve (7).

5. The through valve according to claim 3 or 4, characterized in that: the inner circumferential surface of the outer sleeve (6) is provided with an internal spline, and the outer circumferential surface of the sealing sleeve (7) is provided with an external spline matched with the internal spline.

6. The vent valve of claim 5, wherein: the top end of the valve core (2) is detachably provided with a handle (1).

7. The vent valve of claim 6, wherein: an upper cover (10) is arranged at the top of the sealing sleeve (7), and the upper cover (10) is of a circular ring structure.

8. The vent valve of claim 7, wherein: the bottom of the outer sleeve (6) is detachably provided with a joint (8), and the upper part of the joint (8) abuts against the sealing sleeve (7).

9. The vent valve of claim 8, wherein: and a sealing gasket (9) is arranged between the joint (8) and the sealing sleeve (7).

10. The vent valve of claim 9, wherein: the outer sleeve (6), the sealing sleeve (7), the valve core sleeve (11), the valve core (2) and the upper cover (10) are all made of stainless steel materials.