CN216200563U

CN216200563U - Bellows zero leakage valve

Info

Publication number: CN216200563U
Application number: CN202122398606.3U
Authority: CN
Inventors: 于田; 孙志远; 刘学飞
Original assignee: Henan Shangdie Valve Co ltd
Current assignee: Henan Shangdie Valve Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a bellows zero-leakage valve, which comprises a first bellows and a second bellows, wherein the first bellows is connected with the second bellows through a zero-leakage valve, sealing flanges are arranged at two ends of the zero-leakage valve, the ports of the first bellows and the second bellows are connected with the zero-leakage valve at the sealing flanges, a first sealing pipe and a second sealing pipe are arranged in the zero-leakage valve, one end of the first sealing pipe is connected with the first bellows, the other end of the first sealing pipe is communicated with one end of the second sealing pipe, the other end of the second sealing pipe is communicated with the second bellows, the ports of the first sealing pipe and the second sealing pipe are respectively connected with a sealing cavity, a sealing locking device is arranged in the sealing cavity, and the sealing locking device can control the opening and closing of the zero-leakage valve; this novel bellows zero leakage valve can effectually reach sealed, the effect of not revealing, and overall structure is stable, and is easy and simple to handle, and the practicality is strong, and low in production cost, is fit for using widely.

Description

Bellows zero leakage valve

Technical Field

The utility model relates to the technical field of zero-leakage valves, in particular to a bellows zero-leakage valve.

Background

In daily life and production, various pipeline valve bodies are very commonly applied, and the existing pipeline needs to use different types of valve bodies with different sealing performances according to different transported articles and purposes; common valve body can take place to leak in the use inevitable, when the product is corrosive liquid or harmful gas, has certain potential safety hazard, and traditional zero leakage valve cost is higher, and operating procedure is comparatively loaded down with trivial details, and the leakproofness is not good, also can't ensure its zero leakage performance, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides the bellows zero-leakage valve which can effectively achieve the effects of sealing and no leakage, has a stable integral structure, is simple and convenient to operate, has strong practicability and is low in production cost.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a bellows zero leakage valve, includes first bellows and second bellows, be connected through the zero leakage valve between first bellows and the second bellows, the both ends of zero leakage valve are equipped with sealing flange, and the port of first bellows and second bellows is connected with the zero leakage valve in sealing flange department, is equipped with first sealed tube and second sealed tube in the zero leakage valve, and the one end and the first bellows of first sealed tube are connected, and the other end communicates with the one end of second sealed tube, and the other end of second sealed tube communicates the second bellows, the sealed chamber is connected respectively with the port of second sealed tube to first sealed tube, is equipped with sealed locking device in the sealed chamber, the opening and the closure of the steerable zero leakage valve of sealed locking device.

Preferably, the sealing and locking device comprises a threaded rod and a sealing plug, a top plate is arranged at an upper port of the sealing cavity, the threaded rod penetrates through the top plate and extends into the first sealing pipe, the sealing plug is fixed at the bottom of the threaded rod, the threaded rod can move up and down through thread fit, a matching hole is formed in the first sealing pipe, and the sealing plug is matched with the matching hole.

Preferably, the matching hole is formed in the support plate, the support plate is circular and is fixed to the inner wall of the port of the first sealing pipe, and after the threaded rod moves downwards, the sealing plug falls into the matching hole.

Preferably, a sealing plate is arranged above the sealing plug, a sealing ring is arranged on the periphery of the sealing plug on the lower surface of the sealing plate, an annular groove matched with the sealing ring is arranged on the periphery of the matching hole of the support plate, and when the sealing plug falls into the matching hole, the sealing ring is matched with the annular groove.

Preferably, a pressure spring is further arranged in the sealing cavity and is arranged on the periphery of the threaded rod in the sealing cavity.

Preferably, a power-assisted frame is further arranged above the top plate, the top of the threaded rod penetrates through the power-assisted frame to extend upwards, and a twisting handle is arranged at the top of the threaded rod.

Preferably, the sealing plug is in interference fit with the mating hole.

Preferably, the thickness of the sealing plug is greater than the depth of the mating hole.

Preferably, the cross section of the sealing plug is in an inverted trapezoid shape, and elastic rubber layers are arranged around the sealing plug and on the inner wall of the matching hole.

Drawings

FIG. 1 is a schematic view of a bellows zero-leak valve of the present invention.

Fig. 2 is a schematic structural view of the sealing plug and the support plate of the present invention.

Wherein: 1. a first bellows; 2. a second bellows; 3. sealing the flange; 4. a first seal tube; 5. a second sealed tube; 6. sealing the cavity; 7. a threaded rod; 8. a sealing plug; 81. a sealing plate; 82. a seal ring; 9. a support plate; 91. an annular groove; 10. a mating hole; 11. a top plate; 12. a pressure spring; 13. a power-assisted frame; 14. the handle is twisted.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Referring to fig. 1-2, the technical solution of the present invention is: a corrugated pipe zero leakage valve comprises a first corrugated pipe 1 and a second corrugated pipe 2, wherein the first corrugated pipe 1 is connected with the second corrugated pipe 2 through a zero leakage valve, sealing flanges 3 are arranged at two ends of the zero leakage valve, ports of the first corrugated pipe 1 and the second corrugated pipe 2 are connected with the zero leakage valve at the sealing flanges 3, a first sealing pipe 4 and a second sealing pipe 5 are arranged in the zero leakage valve, one end of the first sealing pipe 4 is connected with the first corrugated pipe 1, the other end of the first sealing pipe is communicated with one end of the second sealing pipe 5, the other end of the second sealing pipe 5 is communicated with the second corrugated pipe 2, ports of the first sealing pipe 4 and the second sealing pipe 5 are respectively connected with a sealing cavity 6, a sealing locking device is arranged in the sealing cavity 6, the sealing locking device can control the opening and closing of the zero leakage valve, when the sealing locking device is closed, the first sealing pipe 4 and the second sealing pipe 5 are sealed and closed, when the sealing and locking device is opened, the first corrugated pipe 1, the first sealing pipe 4, the second sealing pipe 5 and the second corrugated pipe 2 are communicated.

In the scheme of the utility model, the sealing and locking device comprises a threaded rod 7 and a sealing plug 8, a top plate 11 is arranged at the upper end of the sealing cavity 6, the threaded rod 7 extends into the first sealing tube 4 through the top plate 11, the sealing plug 8 is fixed at the bottom of the threaded rod 7, the threaded rod 7 can move up and down through thread fit, a fitting hole 10 is formed in the first sealing tube 4, the sealing plug 8 is matched with the fitting hole 10, and after the sealing plug 8 is matched with the fitting hole 10, the first corrugated tube 1 and the second corrugated tube 2 are not communicated.

In the scheme of the utility model, the matching hole 10 is arranged on the support plate 9, the support plate 9 is circular and is fixed on the inner wall of the port of the first sealing tube 4, after the threaded rod 7 moves downwards, the sealing plug 8 falls into the matching hole 10 to play a sealing role, and similarly, when the threaded rod 7 moves upwards, the first corrugated tube 1 is communicated with the second corrugated tube 2.

In the scheme of the utility model, a sealing plate 81 is arranged above the sealing plug 8, a sealing ring 82 is arranged on the lower surface of the sealing plate 81 at the periphery of the sealing plug 8, an annular groove 91 matched with the sealing ring 82 is arranged on the periphery of the matching hole 10 of the support plate 9, when the sealing plug 8 falls into the matching hole 10, the sealing ring 82 is matched with the annular groove 91, and when the sealing ring 82 is matched with the annular groove 91, the sealing plate can also be tightly matched and has a sealing effect, so that objects in the first sealing pipe 4 are prevented from entering the second sealing pipe 5.

Preferably, a pressure spring 12 is further arranged in the sealing cavity 6, the pressure spring 12 is arranged on the periphery of the threaded rod 7 in the sealing cavity 6, and the sealing plug 8 is prevented from touching the top plate 11 when the threaded rod 7 ascends, so that the sealing plug 8 is protected.

Preferably, a power-assisted frame 13 is further arranged above the top plate 11, the top of the threaded rod 7 penetrates through the power-assisted frame 13 and extends upwards, and a twisting handle 14 is arranged at the top of the threaded rod 7, wherein the power-assisted frame 13 can prevent the threaded rod 7 from inclining, and the rotating handle 14 can easily drive the threaded rod 7 to rotate when rotating, so that the zero-leakage valve can be opened or closed conveniently.

Preferably, the sealing plug 8 is in interference fit with the mating hole 10, the thickness of the sealing plug 8 is greater than the depth of the mating hole 10, the end of the sealing plug 8 can extend out of the mating hole 10, the cross section of the sealing plug 8 is in an inverted trapezoid shape, elastic rubber layers are arranged around the sealing plug 8 and on the inner wall of the mating hole 10, when the end of the sealing plug 8 extends out of the mating hole 10, the elastic rubber layers can overflow from the mating hole 10 to fill the gap, and the sealing effect is further improved.

When the novel corrugated pipe zero-leakage valve is used, the opening and closing of the zero-leakage valve are controlled by twisting the rotating handle 14; when the corrugated pipe is opened, the sealing plug 8 at the bottom of the threaded rod 7 is not contacted with the matching hole 10 on the support plate 9, and at the moment, the first corrugated pipe 1, the first sealing pipe 4 and the second sealing pipe 5 are communicated with the second corrugated pipe 2; when the sealing plug is closed, the sealing plug 8 falls into the matching hole 10, the sealing ring 82 falls into the annular groove 91, and the first sealing pipe 4 and the second sealing pipe 5 are sealed and do not leak; the bellows zero-leakage valve is stable in overall structure and convenient to operate, and can effectively achieve sealing and zero-leakage effects.

Finally, it should also be 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A bellows zero leakage valve, includes first bellows and second bellows, connect through zero leakage valve between first bellows and the second bellows, its characterized in that: the two ends of the zero leakage valve are provided with sealing flanges, the ports of the first corrugated pipe and the second corrugated pipe are connected with the zero leakage valve at the sealing flanges, a first sealing pipe and a second sealing pipe are arranged in the zero leakage valve, one end of the first sealing pipe is connected with the first corrugated pipe, the other end of the first sealing pipe is communicated with one end of the second sealing pipe, the other end of the second sealing pipe is communicated with the second corrugated pipe, the ports of the first sealing pipe and the second sealing pipe are respectively connected with a sealing cavity, a sealing locking device is arranged in the sealing cavity, and the sealing locking device can control the opening and closing of the zero leakage valve.

2. A bellows zero-leak valve according to claim 1, wherein: the sealing and locking device comprises a threaded rod and a sealing plug, a top port of the sealing cavity is provided with a top plate, the threaded rod penetrates through the top plate and extends into the first sealing pipe, the sealing plug is fixed at the bottom of the threaded rod, the threaded rod can move up and down through thread fit, a matching hole is formed in the first sealing pipe, and the sealing plug is matched with the matching hole.

3. A bellows zero-leak valve according to claim 2, wherein: the matching hole is formed in the support plate, the support plate is circular and is fixed to the inner wall of the port of the first sealing pipe, and after the threaded rod moves downwards, the sealing plug falls into the matching hole.

4. A bellows zero-leak valve according to claim 3, wherein: the sealing plug is characterized in that a sealing plate is arranged above the sealing plug, a sealing ring is arranged on the periphery of the sealing plug on the lower surface of the sealing plate, an annular groove matched with the sealing ring is formed in the periphery of the matching hole of the support plate, and when the sealing plug falls into the matching hole, the sealing ring is matched with the annular groove.

5. A bellows zero-leak valve according to claim 1, wherein: and a pressure spring is also arranged in the sealing cavity and is arranged on the periphery of the threaded rod in the sealing cavity.

6. A bellows zero-leak valve according to claim 2, wherein: and a power-assisted frame is further arranged above the top plate, the top of the threaded rod penetrates through the power-assisted frame to extend upwards, and a twisting handle is arranged at the top of the threaded rod.

7. A bellows zero-leak valve according to claim 4, wherein: the sealing plug is in interference fit with the matching hole.

8. A bellows zero-leak valve according to claim 7, wherein: the thickness of the sealing plug is greater than the depth of the mating hole.

9. A bellows zero-leak valve according to claim 7 or 8, characterized in that: the section of the sealing plug is in an inverted trapezoid shape, and elastic rubber layers are arranged on the periphery of the sealing plug and the inner wall of the matching hole.