CN217171616U

CN217171616U - Seal structure of lock hydrogen bucket and pressure bucket

Info

Publication number: CN217171616U
Application number: CN202221062918.5U
Authority: CN
Inventors: 陈卫
Original assignee: Shenzhen Tongfuquan Health Technology Co ltd
Current assignee: Shenzhen Tongfuquan Health Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-12
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a lock seal structure of hydrogen bucket and pressure bucket, including barrel and well lid, the top of well lid is provided with the extension limit, installs first sealing washer on the well lid, and the top of first sealing washer is provided with the cantilever limit, and the bottom on cantilever limit is provided with first annular bulge, and the bung hole terminal surface of barrel is provided with the seal groove with first annular bulge complex, and the periphery of first sealing washer is provided with second annular bulge, and the second sealing washer is installed to well lid one end, and barrel bung hole department twists the inherent lid. Consequently, the well lid that is compressed tightly by the upper cover body carries out a lot of sealings through first annular bulge, first annular bulge and second sealing washer structure with the terminal surface and the inner wall of barrel bung hole, so effectively improve sealed reliability between barrel bung hole and the upper cover body, reduce greatly between barrel bung hole and the upper cover body the possibility of leaking water, gas leakage, improve the reliability that the product is sealed, reduce the rate of reprocessing of product, improve product qualification rate and durability.

Description

Seal structure of lock hydrogen bucket and pressure bucket

Technical Field

The utility model belongs to the technical field of the pressure vessel technique and specifically relates to a lock hydrogen bucket and seal structure of pressure vessel.

Background

As is well known, the pressure tank generally refers to a pressure tank of a water purifier or a water storage type pressure tank or a hydrogen lock tank for containing hydrogen-rich water, which are popular in recent years. The material can be divided into a plastic pressure barrel and a carbon steel pressure barrel.

The barrel cover of the existing pressure barrel is generally provided with sealing rings, the sealing rings are generally sealed by common sealing rings, the opening of the pressure barrel is not completely round under a microscopic state, the openings of the pressure barrel can generate large roundness tolerance in the production and manufacturing process, the tolerance exists on the inner wall of the opening of the pressure barrel and on the end surface of the opening of the pressure barrel, however, the existing sealing rings can only seal the inner wall of the opening of the pressure barrel, the pressure is in the pressure barrel, and the end surface of the opening of the pressure barrel is not sealed, so that the internal pressure of the pressure barrel is leaked or leaked when a user uses the pressure barrel, the repair rate of products is too high, and the integral durability and the qualification rate of the products are greatly influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence among the above-mentioned prior art, the utility model aims to provide a lock hydrogen bucket and pressure vessel's seal structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lock seal structure of hydrogen bucket and pressure bucket, includes that barrel and cover establish the well lid of installing in barrel bung hole department, the top of well lid is provided with the extension limit, extend limit overlap joint in barrel bung hole department, the bung hole department cover that just is located the barrel on the well lid establishes and installs first sealing washer, the top of first sealing washer is provided with and extends limit bottom complex cantilever limit, the bottom on cantilever limit is provided with first annular bulge, the bung hole terminal surface of barrel be provided with first annular bulge complex seal groove, the periphery of first sealing washer is provided with at least one with the bung hole inner wall seal complex second annular bulge of barrel, barrel bung hole department and the upper end that is located well lid twist the lid naturally through the screw thread.

Preferably, at least one second sealing ring is sleeved on one end of the middle cover body.

Preferably, one end of the inner ring of the first sealing ring is provided with a third annular protruding part, and the circumferential surface of the middle cover body is provided with an annular positioning groove matched with the third annular protruding part.

Preferably, the upper end of the third annular protrusion is provided with a first fillet, and the positioning groove is provided with a second fillet matched with the first fillet.

Preferably, one end of each of the first annular protrusion and the second annular protrusion is provided with a semicircular surface.

Preferably, a chamfered part is arranged at the edge of one end of the first sealing ring.

Preferably, the second sealing ring is an "O" ring.

By adopting the proposal, the utility model has the advantages that the middle cover body is screwed between the barrel opening and the upper cover body, the middle cover body is sleeved with the first sealing ring, the first annular bulge of the first sealing ring is in sealing fit with the sealing groove of the barrel opening of the barrel, the second annular bulge is in sealing fit with the inner wall of the barrel opening of the barrel, one end of the middle cover body is provided with the second sealing ring in sealing fit with the inner wall of the barrel opening of the barrel, therefore, the middle cover body pressed by the upper cover body seals the end surface and the inner wall of the barrel opening of the barrel for a plurality of times through the first annular bulge and the second sealing ring structure, thereby effectively improving the sealing reliability between the barrel opening and the upper cover body, greatly reducing the possibility of water leakage and air leakage between the barrel opening and the upper cover body, improving the sealing reliability of products, reducing the repair rate of products, improving the qualification rate and the durability of the products, having simple structure and reliable sealing, has strong practicability.

Drawings

Fig. 1 is an isometric view of an embodiment of the invention.

Fig. 2 is a cross-sectional view of an embodiment of the invention.

In the figure:

1. a barrel; 2. a middle cover body; 3. an extension edge; 4. a first seal ring; 5. a cantilever edge; 6. a first annular projection; 7. a second annular protrusion; 8. a second seal ring; 9. a thread; 10. an upper cover body; 11. a third annular projection; 12. positioning a groove; 13. a first rounded corner; 14. a second rounded corner; 15. a semicircular surface; 16. chamfering the corner; 17. sealing the groove.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 2, the sealing structure for locking a hydrogen barrel and a pressure barrel provided in this embodiment includes a barrel 1 and a middle cover 2 installed at a barrel opening of the barrel 1, wherein an extending edge 3 is provided at a top end of the middle cover 2, the extending edge 3 is lapped at the barrel opening of the barrel 1, a first sealing ring 4 is installed on the middle cover 2 and at a barrel opening of the barrel 1 in a sleeved manner, a cantilever edge 5 matched with the extending edge 3 is provided at a top end of the first sealing ring 4, a first annular protrusion 6 is provided at a bottom of the cantilever edge 5, a sealing groove 17 matched with the first annular protrusion 6 is provided at a barrel opening end surface of the barrel 1, at least one second annular protrusion 7 in sealed fit with a barrel opening inner wall of the barrel 1 is provided at a circumferential surface of the first sealing ring 4, and an upper end of the barrel opening of the barrel 1 and located at the middle cover 2 is screwed with a cover 10 through a thread 9.

Further, one end of the middle cover 2 of the present embodiment is sleeved with at least one second sealing ring 8. Therefore, the middle cover body 2 is sealed for multiple times by the first sealing ring 4 and the second sealing ring 8, and the sealing reliability between the barrel opening of the barrel body 1 and the middle cover body 2 is effectively improved.

Further, one end of the inner ring of the first seal ring 4 of the present embodiment is provided with a third annular protrusion 11, and the circumferential surface of the middle cover 2 is provided with an annular positioning groove 12 which is matched with the third annular protrusion 11. Therefore, the inner ring of the first sealing ring 4 can be firmly positioned on the middle cover body 2 by the insertion and matching arrangement of the third annular protruding portion 11 and the positioning groove 12, and meanwhile, the upper end face of the third annular protruding portion 11 is tightly attached to the positioning groove 12 due to the pressure of the upper cover body 10, so that the sealing reliability of the middle cover body 2 and the first sealing ring 4 can be improved.

Further, the upper end of the third annular protrusion 11 of the present embodiment is provided with a first fillet 13, and the positioning groove 12 is provided with a second fillet 14 engaged with the first fillet 13. Utilize the cooperation setting of first fillet 13 and second fillet 14 to make the edge of the upper end of third annular bulge 11 and the edge laminating of constant head tank 12 inseparabler, consequently make third annular bulge 11 and constant head tank 12 insert and establish the complex more sealed, effectively improve the reliability that first sealing washer 4 is sealed.

Further, one end of each of the first annular protrusion 6 and the second annular protrusion 7 of the present embodiment is provided with a semicircular surface 15. The one end of first annular bulge 6 and second annular bulge 7 utilizes setting up of semicircle face 15 can make first annular bulge 6 and second annular bulge 7 warp when the atress warp sealedly more easily, also laminates sealed plane more easily, effectively improves the sealed reliability of first sealing washer 4.

Further, the edge of one end of the first seal ring 4 of the present embodiment is provided with a chamfered portion 16. The edge of one end of the first sealing ring 4 can be guided when being inserted into the barrel opening of the barrel body 1 by the arrangement of the chamfered part 16, so that the middle cover body 2 with the first sealing ring 4 can be inserted into the barrel opening of the barrel body 1 more easily, and the middle cover body 2 is convenient to install.

Further, the second seal ring 8 of the present embodiment is an "O" ring or a "C" ring. The O-shaped ring is low in price, simple to manufacture, reliable in function and simple in installation requirement, and is the most common sealing part. The structure of the second seal ring 8 is not particularly limited in this embodiment.

In practical use of the embodiment, the middle cover body 2 is screwed between the barrel opening of the barrel body 1 and the upper cover body 10, the first sealing ring 4 is sleeved on the middle cover body 2, the first annular bulge 6 of the first sealing ring 4 is in sealing fit with the barrel opening end surface of the barrel body 1, the second annular bulge 7 is in sealing fit with the barrel opening inner wall of the barrel body 1, the second sealing ring 8 is arranged at one end of the middle cover body 2 and is in sealing fit with the barrel opening inner wall of the barrel body 1, therefore, when the upper cover body 10 is screwed and fixed at the barrel opening of the barrel body 1 through the thread 9, the middle cover body 2 is tightly pressed and fixed at the barrel opening of the barrel body 1, meanwhile, under the action of the pressure of the upper cover body 10, the first annular bulge 6 of the second sealing ring 8 is tightly attached to the barrel opening end surface of the barrel body 1, the first annular bulge 6 of the first sealing ring 8 is in sealing fit with the sealing groove 17 of the barrel opening of the barrel body 1, the second sealing ring 8 is tightly attached to the barrel opening of the barrel body 1, so the seal structure of first sealing washer 4 and second sealing washer 8 carries out a lot of sealings with the terminal surface and the inner wall of 1 bung hole of barrel, so effectively improve the reliability sealed between 1 bung hole of barrel and the last lid 10, reduce greatly and leak water, the possibility of gas leakage between 1 bung hole of barrel and the last lid 10, improve the reliability that the product is sealed, reduce the rate of reprocessing of product, improve product qualification rate and durability, its simple structure, it is sealed reliable, has very strong practicality.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a lock seal structure of hydrogen bucket and pressure bucket which characterized in that: establish including barrel and cover and install the well lid in barrel bung hole department, the top of well lid is provided with extends the limit, extend the limit overlap joint in barrel bung hole department, well lid is last and be located the bung hole department cover of barrel and establish and install first sealing washer, the top of first sealing washer is provided with and extends limit bottom complex cantilever limit, the bottom on cantilever limit is provided with first annular bulge, the bung hole terminal surface of barrel be provided with first annular bulge complex seal groove, the periphery of first sealing washer be provided with at least one with the bung hole inner wall seal complex second annular bulge of barrel, the inherent lid of screwing up through the screw thread in the upper end of barrel bung hole department and the lid that is located.

2. The sealing structure for locking a hydrogen barrel and a pressure barrel as claimed in claim 1, wherein: at least one second sealing ring is sleeved at one end of the middle cover body.

3. The sealing structure for locking a hydrogen barrel and a pressure barrel as claimed in claim 1, wherein: one end of the inner ring of the first sealing ring is provided with a third annular protruding part, and the circumferential surface of the middle cover body is provided with an annular positioning groove matched with the third annular protruding part.

4. The sealing structure for locking a hydrogen bucket and a pressure bucket according to claim 3, wherein: the upper end of third annular bulge is provided with first fillet, the constant head tank be provided with first fillet complex second fillet.

5. The sealing structure for locking a hydrogen barrel and a pressure barrel as claimed in claim 1, wherein: one end of each of the first annular bulge and the second annular bulge is provided with a semicircular surface.

6. The sealing structure for locking a hydrogen barrel and a pressure barrel as claimed in claim 1, wherein: and a chamfer part is arranged at the edge of one end of the first sealing ring.

7. The sealing structure for locking a hydrogen bucket and a pressure bucket according to claim 2, wherein: the second sealing ring is an O-shaped ring.