CN212899857U

CN212899857U - Fixed cock structure

Info

Publication number: CN212899857U
Application number: CN202021784371.0U
Authority: CN
Inventors: 黄剑峰
Original assignee: Liaoning Petrochemical Valve Manufacturing Co ltd
Current assignee: Liaoning Petrochemical Valve Manufacturing Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-06
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a fixed cock structure, including the cock main part, the valve pocket has been seted up in the cock main part, and the embolism is installed to the valve pocket internal rotation, and the embolism is cylindrical structure, and the passage hole has been seted up to one side of embolism, has seted up four fixed slots on the inner wall of valve pocket, and equal slidable mounting has a slide in four fixed slots, and outside one side of four slides extended to relative fixed slot respectively, four equal fixed mounting in one side that the slide is located the corresponding fixed slot has sealed the pad, and four sealed pads are kept away from one side of corresponding slide and all are contacted with the surface sliding seal of embolism, and the spout has all been seted up to one side that. The utility model relates to a rationally, the practicality is good, has improved the sealed effect to the fluid, and difficult emergence fluid leaks, has prolonged the life of cock main part, can carry out self-cleaning to the surface of embolism moreover, great reduction the surface of embolism and the inner wall of valve pocket receive the situation of wearing and tearing easily.

Description

Fixed cock structure

Technical Field

The utility model relates to a cock technical field specifically is a fixed cock structure.

Background

The cock is also called cock, commonly known as cock, and belongs to a kind of valve, generally installed on the pipeline with low pressure and small caliber, a hole and a rotatable cock is inserted into the valve cavity of the cock, when the hole of the cock is facing to the inlet and outlet of the valve body, the fluid can pass through the cock, when the cock rotates 90 degrees and the hole is completely blocked by the valve body, the fluid can not pass through the cock, thus the cock can be opened and closed and can also be adjusted, the cock can be made of cast iron, high silicon iron, ceramics, brass, plastics, etc., and can be generally used in the occasions with gauge pressure of 1.01 MPa and temperature of 120 ℃.

However, in the prior art, when a common cock is used in a production period, a sealing effect on fluid is poor, the fluid is easy to leak, impurity particles adhered to the surface of the cock cannot be removed, abrasion between the cock and the inner wall of a valve cavity is aggravated easily, and the service life of the cock is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fixed cock structure has solved current cock when the phase of delivery uses, and is not good to the sealed effect of fluid, and the fluid takes place to leak easily, can not clear away the impurity granule of embolism surface adhesion moreover, causes the inner wall wearing and tearing aggravation of embolism and valve pocket easily, leads to the problem that the life of cock reduces.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fixed type cock structure comprises a cock main body, wherein a valve cavity is formed in the cock main body, a plug is rotatably installed in the valve cavity and is of a cylindrical structure, a channel hole is formed in one side of the plug, four fixing grooves are formed in the inner wall of the valve cavity, sliding seats are slidably installed in the four fixing grooves, one sides of the four sliding seats extend out of the corresponding fixing grooves respectively, sealing gaskets are fixedly installed on one sides of the four sliding seats outside the corresponding fixing grooves, one sides of the four sealing gaskets, far away from the corresponding sliding seats, are in sliding and sealing contact with the outer surface of the plug, sliding grooves are formed in one sides of the four sliding seats, sliding rods are slidably installed in the four sliding grooves, one ends of the four sliding rods extend out of the corresponding sliding grooves respectively, and one ends of the four sliding rods, located outside the, the spring on corresponding slide bar is established to the equal fixedly connected with cover in one side that four slides are located corresponding fixed slot, and the one end that corresponding slide was kept away from to four springs respectively with one side inner wall fixed connection in the corresponding fixed slot, the equal fixed mounting in one side of four slides has the scraper blade, and the scraper blade is the arc structure, and the surface sliding contact of one side that corresponding slide was kept away from to four scraper blades all with the embolism.

Preferably, the sealing strips are fixedly mounted on the inner walls of the two sides of the same fixing groove, and the sliding seat is matched with the inner walls of the fixing groove in a sliding sealing mode through the two sealing strips.

Preferably, first guide way has all been seted up on the both sides inner wall of fixed slot, and the equal fixed mounting in both sides of slide has first guide bar, and first guide bar slidable mounting is in corresponding first guide way.

Preferably, the inner walls of the two sides of the sliding groove are provided with second guide grooves, the two sides of the sliding rod are fixedly provided with second guide rods, and the second guide rods are slidably arranged in the corresponding second guide grooves.

Preferably, the four fixing grooves are symmetrically arranged in pairs.

Preferably, the sealing gasket is made of wear-resistant rubber materials, and the scraper is made of elastic copper sheet materials.

(III) advantageous effects

The utility model provides a fixed cock structure. The method has the following beneficial effects:

(1) the fixed cock structure has the advantages that the plug is rotated by ninety degrees, the channel hole faces the inlet and the outlet of the cock body, fluid can flow through the channel hole in the plug, the plug is rotated by ninety degrees again, the inlet and the outlet of two sides of the cock body are not communicated with the channel hole, the four sealing gaskets are in sliding sealing fit on the outer surface of the plug, the gap between the plug and the valve cavity is sealed, the fluid cannot flow through the gap between the plug and the valve cavity, even if the plug is rusted in the long-term use process, the gap between the plug and the valve cavity is changed, when the four springs act elastically, the four sliding seats slide in corresponding fixing grooves in a micro mode, the four sliding seats drive the corresponding sealing gaskets to move, the four sealing gaskets are always in sliding sealing fit with the outer wall of the plug, and accordingly the flow of the fluid is limited, the sealing effect on the fluid is improved, the fluid is not easy to leak, and the service life of the cock body is prolonged.

(2) This fixed cock structure, through rotating the in-process at the embolism, utilize four scraper blades to scrape the foreign particle of the surface adhesion of embolism, the surface of avoiding the embolism carries foreign particle when the valve pocket internal rotation, causes the surface of embolism and the inner wall wearing and tearing aggravation of valve pocket and leads to sealed effect variation, can carry out self-cleaning to the surface of embolism, great reduction the surface of embolism and the inner wall of valve pocket receive the situation of wearing and tearing easily.

Drawings

Fig. 1 is a schematic sectional view of the top view of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a cock body; 2. a valve cavity; 3. plugging; 4. a passage hole; 5. fixing grooves; 6. a slide base; 7. a gasket; 8. a chute; 9. a slide bar; 10. a spring; 11. a squeegee; 12. a sealing strip; 13. a first guide groove; 14. a first guide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

As shown in fig. 1-2, the utility model provides a technical solution: a fixed type cock structure comprises a cock main body 1, a valve cavity 2 is arranged on the cock main body 1, a cock 3 is rotatably arranged in the valve cavity 2, the cock 3 is of a cylindrical structure, a passage hole 4 is arranged at one side of the cock 3, four fixing grooves 5 are arranged on the inner wall of the valve cavity 2, sliding seats 6 are respectively arranged in the four fixing grooves 5 in a sliding way, one sides of the four sliding seats 6 respectively extend out of the corresponding fixing grooves 5, sealing gaskets 7 are respectively fixedly arranged at one sides of the four sliding seats 6 positioned outside the corresponding fixing grooves 5, one sides of the four sealing gaskets 7 far away from the corresponding sliding seats 6 are respectively in sliding and sealing contact with the outer surface of the cock 3, sliding grooves 8 are respectively arranged at one sides of the four sliding seats 6 positioned in the corresponding fixing grooves 5, sliding rods 9 are respectively arranged in the four sliding grooves 8 in a sliding way, one ends of the four sliding rods 9 positioned outside the corresponding sliding grooves 8 are, the spring 10 on the corresponding slide bar 9 is established to the equal fixedly connected with cover in one side that four slides 6 are located corresponding fixed slot 5, and the one end that corresponding slide 6 was kept away from to four springs 10 respectively with one side inner wall fixed connection in the corresponding fixed slot 5, the equal fixed mounting in one side of four slides 6 has scraper blade 11, and scraper blade 11 is the arc structure, and the surface sliding contact of one side that corresponding slide 6 was kept away from to four scraper blade 11 all with embolism 3.

Equal fixed mounting has sealing strip 12 on the both sides inner wall of same fixed slot 5, slide 6 is through the inner wall sliding seal cooperation of two sealing strips 12 with fixed slot 5, first guide way 13 has all been seted up on the both sides inner wall of fixed slot 5, the equal fixed mounting in both sides of slide 6 has first guide bar 14, first guide bar 14 slidable mounting is in corresponding first guide way 13, the second guide way has all been seted up on the both sides inner wall of spout 8, the equal fixed mounting in both sides of slide bar 9 has the second guide bar, second guide bar slidable mounting is in corresponding second guide way, four fixed slots 5 are two bisymmetry settings, sealed pad 7 is made by wear-resisting rubber material, scraper blade 11 is made for elasticity copper sheet material.

When the plug is used, the plug body 1 is fixedly connected with a conveying pipeline through a flange, the top of the plug 3 is fixedly provided with a valve rod, the top end of the valve rod extends out of the plug body 1 and is fixedly provided with a hand wheel, the hand wheel can be rotated to drive the valve rod and the plug 3 to rotate in the valve cavity 2, the length of the sealing gasket 7 is larger than that of the channel hole 4, the length of the sealing gasket 7 is the same as that of the plug 3, the four springs 10 are all in a semi-compression state, after the plug 3 is rotated ninety degrees, the channel hole 4 faces the inlet and the outlet of the plug body 1, so that the inlet and the outlet on two sides of the plug body 1 are communicated with the channel hole 4, fluid can flow through the channel hole 4 on the plug 3, after the plug 3 is rotated ninety degrees again, the inlet and the outlet on two sides of the plug body are not communicated with the channel hole 4, and, the gap between the plug 3 and the valve cavity 2 is sealed, fluid cannot flow through the gap between the plug 3 and the valve cavity 2, even if the plug 3 is rusted in the long-term use process, the gap between the plug 3 and the valve cavity 2 is changed, when the four springs 10 act under the elastic force, the four sliding seats 6 slightly slide in the corresponding fixing grooves 5, the four sliding seats 6 drive the corresponding sealing gaskets 7 to move, so that the four sealing gaskets 7 are always in sliding sealing fit with the outer wall of the plug 3, the plug 3 can be used for blocking the inlet and the outlet of the plug main body 1, the flow of the fluid is limited, the sealing effect of the fluid is improved, the leakage problem is not easy to occur, the service life of the plug main body 1 is prolonged, the plug 3 is rotated, so that the four scraping plates 11 are in sliding contact with the outer surface of the plug 3, the impurity particles adhered to the outer surface of the plug 3 can be scraped by the four scraping plates 11, so that the outer surface of the plug 3 is prevented from carrying the impurity particles to rotate in the valve cavity 2, the abrasion of the outer surface of the plug 3 and the inner wall of the valve cavity 2 is aggravated, the sealing effect is poor, the outer surface of the plug 3 can be automatically cleaned, the abrasion condition of the outer surface of the plug 3 and the inner wall of the valve cavity 2 is greatly reduced, and meanwhile, the content which is not described in detail in the specification belongs to the known prior art of the technical personnel in the field.

To sum up, the fixed cock structure can be obtained by rotating the cock 3 by ninety degrees, the channel hole 4 faces the inlet and outlet of the cock body 1, fluid can flow through the channel hole 4 on the cock 3, after rotating the cock 3 by ninety degrees again, the inlet and outlet on two sides of the cock body are not communicated with the channel hole 4, the four sealing gaskets 7 are in sliding sealing fit on the outer surface of the cock 3, the gap between the cock 3 and the valve cavity 2 is sealed, the fluid can not flow through the gap between the cock 3 and the valve cavity 2, even if the cock 3 is rusted in the long-term use process, the gap between the cock 3 and the valve cavity 2 is changed, when the four sliding seats 6 are in the corresponding fixing grooves 5 under the elastic action of the four springs 10, the four sliding seats 6 drive the corresponding sealing gaskets 7 to move, so that the four sealing gaskets 7 are always in sliding sealing fit with the outer wall of the cock 3, thereby limiting the flow of fluid, improving the sealing effect of the fluid, avoiding the leakage, prolonging the service life of the cock main body 1, avoiding the deterioration of the sealing effect caused by the aggravation of the abrasion of the outer surface of the cock 3 and the inner wall of the valve cavity 2 when the outer surface of the cock 3 carries the impurity particles to rotate in the valve cavity 2 by utilizing the four scraping plates 11 to scrape the impurity particles adhered to the outer surface of the cock 3 in the rotating process of the cock 3, automatically cleaning the outer surface of the cock 3, greatly reducing the condition that the outer surface of the cock 3 and the inner wall of the valve cavity 2 are easily abraded, having reasonable design and good practicability, improving the sealing effect of the fluid, avoiding the fluid leakage, prolonging the service life of the cock main body 1, and automatically cleaning the outer surface of the cock 3, the outer surface of the plug 3 and the inner wall of the valve cavity 2 are greatly reduced to be easily worn.

Claims

1. A fixed tap structure comprising a tap body (1), characterized in that: the novel plug structure is characterized in that a valve cavity (2) is formed in a plug main body (1), a plug (3) is installed in the valve cavity (2) in a rotating mode, the plug (3) is of a cylindrical structure, a channel hole (4) is formed in one side of the plug (3), four fixing grooves (5) are formed in the inner wall of the valve cavity (2), sliding seats (6) are installed in the four fixing grooves (5) in a sliding mode, one sides of the four sliding seats (6) extend out of the corresponding fixing grooves (5) respectively, sealing gaskets (7) are fixedly installed on one sides of the four sliding seats (6) located outside the corresponding fixing grooves (5), one sides of the four sealing gaskets (7) far away from the corresponding sliding seats (6) are in sliding and sealing contact with the outer surface of the plug (3), sliding grooves (8) are formed in one sides of the four sliding seats (6) located in, one end of four slide bars (9) extends to outside corresponding spout (8) respectively, and four slide bars (9) are located the outer one end of corresponding spout (8) respectively with one side inner wall fixed connection of corresponding fixed slot (5), the equal fixedly connected with cover in one side that four slides (6) are located corresponding fixed slot (5) is established spring (10) on corresponding slide bar (9), the one end that corresponding slide (6) were kept away from in four spring (10) respectively with one side inner wall fixed connection in corresponding fixed slot (5), the equal fixed mounting in one side of four slides (6) has scraper blade (11), scraper blade (11) are the arc structure, one side that corresponding slide (6) were kept away from in four scraper blade (11) all with the surface sliding contact of embolism (3).

2. A fixed tap structure as claimed in claim 1, wherein: sealing strips (12) are fixedly mounted on the inner walls of the two sides of the same fixing groove (5), and the sliding seat (6) is in sliding sealing fit with the inner walls of the fixing groove (5) through the two sealing strips (12).

3. A fixed tap structure as claimed in claim 1, wherein: first guide way (13) have all been seted up on the both sides inner wall of fixed slot (5), the equal fixed mounting in both sides of slide (6) has first guide bar (14), and first guide bar (14) slidable mounting is in corresponding first guide way (13).

4. A fixed tap structure as claimed in claim 1, wherein: second guide grooves are formed in the inner walls of the two sides of the sliding groove (8), second guide rods are fixedly mounted on the two sides of the sliding rod (9), and the second guide rods are slidably mounted in the corresponding second guide grooves.

5. A fixed tap structure as claimed in claim 1, wherein: the four fixing grooves (5) are arranged in pairwise symmetry.

6. A fixed tap structure as claimed in claim 1, wherein: the sealing gasket (7) is made of wear-resistant rubber materials, and the scraper (11) is made of elastic copper sheet materials.