CN212928835U - Anti-backfire ball valve - Google Patents
Anti-backfire ball valve Download PDFInfo
- Publication number
- CN212928835U CN212928835U CN202021607537.1U CN202021607537U CN212928835U CN 212928835 U CN212928835 U CN 212928835U CN 202021607537 U CN202021607537 U CN 202021607537U CN 212928835 U CN212928835 U CN 212928835U
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- CN
- China
- Prior art keywords
- ball valve
- valve
- backfire
- valve body
- bolt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an anti-backfire ball valve, including gland, valve rod, bolt, nut, first valve body, anti-backfire device, first butt joint dish, second valve body and ball valve. The utility model has the advantages that: the anti-backfire device is of a cylindrical structure formed by metal parts with a plurality of micropores, such as steel or copper alloy, high-temperature metal which is not too cool can be penetrated in a short time, the metal cannot be heated, a medium reaching the metal cannot reach the combustion temperature and is automatically extinguished, flame retardance is realized, the anti-backfire device is locked by screwing through a bolt and a nut and is detachably connected with the first valve body, the anti-backfire device can be rapidly replaced after being damaged, an annular fixing ring is arranged on the right side of the second valve body, a penetrating type fixing screw hole is formed in the fixing ring, and the second valve body can be rapidly butted and fixed with an external butting component.
Description
Technical Field
The utility model relates to a ball valve specifically is an anti-backfire ball valve, belongs to ball valve technical field.
Background
The ball valve is appeared in the 50 th century in 20 th century, along with the rapid development of scientific technology and the continuous improvement of production process and product structure, the ball valve is rapidly developed into a main valve class in short 40 years, the use of the ball valve is continuously rising year by year in countries with developed western industries, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like in China, the ball valve plays a very important role in national economy, the ball valve has the action of rotating 90 degrees, a plug body is a sphere, a circular through hole or a channel passes through the axis of the ball valve, the ball valve is mainly used for cutting, distributing and changing the flow direction of a medium in the pipeline, and the ball valve can be closed tightly only by the operation of rotating 90 degrees and a small rotating torque.
Because current ball valve does not possess the function of anti-backfire, consequently, then need an anti-backfire ball valve to satisfy the demand on the market at present, although multiple anti-backfire ball valves have been produced on the market at present, nevertheless, in general, there are still a lot of common faults, firstly, the valve rod top of current anti-backfire ball valve does not set up the hand wheel fixed orifices, lead to utilizing external anchor clamps to press from both sides hand wheel and valve rod and press from both sides tight fixedly, its two, the anti-backfire device and the ball valve of current anti-backfire ball valve adopt integrated structure mostly, lead to can't carrying out quick replacement to it after anti-backfire device damages.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-backfire ball valve for solving the problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an anti-backfire ball valve comprises a gland, a valve rod, a bolt, a nut, a first valve body, an anti-backfire device, a first butt joint disc, a second valve body and a ball valve; the ball valve comprises a ball valve body, a valve rod, a screw bolt, a nut, a bolt, a first butt joint plate, a second butt joint plate, a valve rod, a screw bolt, a valve rod, a screw bolt, a nut, a bolt, a tempering prevention device and a ball valve.
Preferably, the anti-backfire device is made of steel or copper alloy metal parts with a plurality of micropores to form a cylindrical structure, so that the metal cannot be heated in a short time due to high temperature, and the medium cannot reach the combustion temperature and is automatically extinguished to realize flame retardance.
Preferably, in order to ensure that the anti-backfire device can be quickly replaced after being damaged, the anti-backfire device is screwed and locked by a bolt and a nut and is detachably connected with the first valve body.
Preferably, in order to ensure that the second valve body can be in quick butt joint with an external butt joint component, the right side of the second valve body is provided with a circular fixing ring and a through fixing screw hole is formed in the fixing ring.
Preferably, in order to prevent that it is fixed with hand wheel and valve stem clamping to utilize anchor clamps, reduce the operating procedure for work efficiency, the valve rod is the stock bolt to twist soon with the ball valve through the screw thread and be connected, and the top level of valve rod is provided with the hand wheel fixed orifices.
The utility model has the advantages that: the anti-backfire ball valve is reasonable in design, the anti-backfire device is of a cylindrical structure formed by metal parts with a plurality of micropores, such as steel or copper alloy, so that high-temperature metal which is not too cool can penetrate through the anti-backfire device in a short time and can not be heated, a medium reaching the metal cannot reach the combustion temperature and can be automatically extinguished, flame retardance is realized, the anti-backfire device is locked by screwing through a bolt and a nut and is detachably connected with a first valve body, the anti-backfire device can be rapidly replaced after being damaged, an annular fixing ring is arranged on the right side of a second valve body, a penetrating type fixing screw hole is formed in the fixing ring, the second valve body can be rapidly butted and fixed with an external butting component, a valve rod is a long rod bolt and is connected with the ball valve through screwing, a hand wheel fixing hole is horizontally formed in the top of the valve rod, and the hand, the operation steps are reduced, and the working efficiency is accelerated.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
In the figure: 1. gland, 2, valve rod, 3, bolt, 4, nut, 5, first valve body, 6, anti-backfire device, 7, first butt joint dish, 8, second butt joint dish, 9, second valve body and 10, ball valve.
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.
Referring to fig. 1, an anti-backfire ball valve includes a gland 1, a valve stem 2, a bolt 3, a nut 4, a first valve body 5, an anti-backfire device 6, a first docking plate 7, a second docking plate 8, a second valve body 9 and a ball valve 10; the anti-backfire ball valve is characterized in that the gland 1 is connected and arranged at the top end of the ball valve 10, the valve rod 2 is screwed and locked at the top end of the ball valve 10 and is located at the center of the gland 1, the bolt 3 is horizontally screwed and locked on a connecting disc between the first valve body 5 and the ball valve 10, the nut 4 is screwed and locked with the bolt 3, the first valve body 5 is screwed and locked at the right end of the ball valve 10 through the bolt 3, the anti-backfire device 6 is screwed and locked at the right end of the first valve body 5 through the bolt 3, the first butt plate 7 is vertically welded and fixed at the left end of the anti-backfire device 6, the second butt plate 8 is vertically welded and fixed at the right end of the anti-backfire device 6, the second valve body 9 is screwed and locked at the right end.
The anti-backfire device 6 is of a cylindrical structure formed by metal parts with a plurality of micropores, such as steel or copper alloy, so that high temperature can not penetrate through but cool metal can not be heated in a short time, a medium reaching the metal can not reach the combustion temperature and can be automatically extinguished, flame retardance is realized, the anti-backfire device 6 is detachably connected with the first valve body 5 by screwing and locking the bolt 3 and the nut 4, the anti-backfire device 6 can be rapidly replaced after being damaged, the right side of the second valve body 9 is provided with an annular fixing ring, a penetrating type fixing screw hole is formed in the fixing ring, the second valve body 9 can be rapidly butted and fixed with an external butting component, the valve rod 2 is a long rod bolt and is screwed and connected with the ball valve 10 by threads, the top of the valve rod 2 is horizontally provided with a hand wheel fixing hole, and the hand wheel and the valve rod 2 are prevented from being clamped and fixed by a clamp, the operation steps are reduced, and the working efficiency is accelerated.
The working principle is as follows: when the ball valve is used, the valve rod 2 is connected with the ball valve 10 in a screwing mode through threads, the hand wheel is fixed with the valve rod 2 through the hand wheel fixing hole in the top of the valve rod, operation steps are reduced, working efficiency is improved, when flame reaches the anti-backfire device 6 during working, the anti-backfire device 6 cannot be heated rapidly due to the structure of the anti-backfire device, and therefore gas in the anti-backfire device cannot reach an ignition point, and flame is extinguished.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (5)
1. An anti-backfire ball valve which is characterized in that: the anti-backfire valve comprises a gland (1), a valve rod (2), a bolt (3), a nut (4), a first valve body (5), an anti-backfire device (6), a first butt joint disc (7), a second butt joint disc (8), a second valve body (9) and a ball valve (10); the pressing cover (1) is connected and arranged at the top end of the ball valve (10), the valve rod (2) is screwed and locked at the top end of the ball valve (10) and is positioned at the center of the pressing cover (1), the bolt (3) is horizontally screwed and locked on a connecting disc between the first valve body (5) and the ball valve (10), the nut (4) is screwed and locked with the bolt (3), the first valve body (5) is screwed and locked at the right end of the ball valve (10) through the bolt (3), the anti-backfire device (6) is screwed and locked at the right end of the first valve body (5) through the bolt (3), the first butt plate (7) is vertically welded and fixed at the left end of the anti-backfire device (6), the second butt plate (8) is vertically welded and fixed at the right end of the anti-backfire device (6), and the second valve body (9) is locked at the right end of the anti-backfire device (6), the ball valve (10) forms the main structure of the anti-backfire ball valve.
2. The anti-flashback ball valve of claim 1, wherein: the anti-backfire device (6) is a cylindrical structure formed by steel or copper alloy metal pieces with a plurality of micropores.
3. The anti-flashback ball valve of claim 1, wherein: the anti-backfire device (6) is screwed and locked through the bolt (3) and the nut (4) and is detachably connected with the first valve body (5).
4. The anti-flashback ball valve of claim 1, wherein: the right side of the second valve body (9) is provided with a circular fixing ring, and a penetrating fixing screw hole is formed in the fixing ring.
5. The anti-flashback ball valve of claim 1, wherein: the valve rod (2) is a long rod bolt and is connected with the ball valve (10) in a screwing mode through threads, and a hand wheel fixing hole is horizontally formed in the top of the valve rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607537.1U CN212928835U (en) | 2020-08-05 | 2020-08-05 | Anti-backfire ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607537.1U CN212928835U (en) | 2020-08-05 | 2020-08-05 | Anti-backfire ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928835U true CN212928835U (en) | 2021-04-09 |
Family
ID=75335915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021607537.1U Expired - Fee Related CN212928835U (en) | 2020-08-05 | 2020-08-05 | Anti-backfire ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928835U (en) |
-
2020
- 2020-08-05 CN CN202021607537.1U patent/CN212928835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |