CN211117736U - Heat-preservation ball valve - Google Patents
Heat-preservation ball valve Download PDFInfo
- Publication number
- CN211117736U CN211117736U CN201921436902.4U CN201921436902U CN211117736U CN 211117736 U CN211117736 U CN 211117736U CN 201921436902 U CN201921436902 U CN 201921436902U CN 211117736 U CN211117736 U CN 211117736U
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- valve
- heat
- ball
- heat preservation
- valve body
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Abstract
The utility model relates to a valve field discloses a heat preservation ball valve. Comprises a valve body, a valve ball, a valve rod, a heating component and a heat preservation component. A flow passage is provided in the valve body. The valve ball is mounted in the flow passage of the valve body. The valve rod is connected with the top end of the valve ball. The surface of the valve ball is coated with a layer of heat-conducting glue, and the heat-conducting glue is internally wound with an electric heating wire. The heat preservation subassembly wraps up in the surface of valve body, and the heat preservation subassembly includes heat preservation casing and lower heat preservation casing. And polyurethane layers are arranged on the outer walls of the upper heat-insulation shell and the lower heat-insulation shell. And the inner walls of the upper heat-insulating shell and the lower heat-insulating shell are provided with heat-insulating glass surface layers. The utility model discloses a set up heating wire and heat-conducting glue, make the heating more even, effectually prevented that the inside fluid medium of ball valve from being frozen, protected the ball valve. The structure is compact, the manufacture is easy, and the reliability is good. And the ball valve is further subjected to anti-freezing and heat preservation by matching with the arrangement of the heat preservation assembly, and the ball valve is easy to assemble and disassemble and good in flexibility.
Description
Technical Field
The utility model relates to a valve field, in particular to heat preservation ball valve.
Background
The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. The ball valve is internally provided with a ball body, the function of opening or closing a medium passage is realized mainly by rotating the ball body, and the functions of cutting off, distributing and changing the flowing direction of the medium can be realized. The existing ball valve is easy to freeze the medium in the ball valve to block the ball valve in a low-temperature environment. Under the condition of no knowledge, the valve rod of the ball valve is rotated, so that the ball valve is easy to break, and leakage is caused. Meanwhile, in the ball valve, the heat-insulating layers of most of the ball valves are directly adhered to the surfaces of the ball valves through adhesives, so that the ball valves are inconvenient to assemble and disassemble and poor in flexibility.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a heat preservation ball valve. Through setting up heating wire and heat conduction glue, make the heating more even, effectually prevented that the inside fluid medium of ball valve from being frozen, protected the ball valve. The structure is compact, the manufacture is easy, and the reliability is good. And the ball valve is further subjected to anti-freezing and heat preservation by matching with the arrangement of the heat preservation assembly, and the ball valve is easy to assemble and disassemble and good in flexibility.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an insulating ball valve, comprising;
a valve body; a flow channel is arranged in the valve body;
a valve ball; the valve ball is arranged in the flow channel of the valve body; an upper sealing cover and a lower sealing cover are arranged on the valve body, the upper sealing cover is positioned above the valve ball, and the lower sealing cover is positioned below the valve ball; a through groove transversely penetrating through the valve ball is formed in the valve ball;
a valve stem; the valve rod penetrates through the upper sealing cover and is connected with the top end of the valve ball;
a heating assembly; the surface of the valve ball is coated with a layer of heat-conducting glue, an electric heating wire is wound in the heat-conducting glue, and the electric heating wire is connected with an external heating power line;
a heat preservation assembly; the heat preservation assembly is wrapped on the outer surface of the valve body; the heat insulation assembly comprises an upper heat insulation shell and a lower heat insulation shell; polyurethane layers are arranged on the outer walls of the upper heat-insulation shell and the lower heat-insulation shell; the inner walls of the upper heat-insulating shell and the lower heat-insulating shell are provided with heat-insulating glass surface layers; semicircular through holes are formed in the middle position of the lower end of the upper heat-insulation shell and the middle position of the lower end of the lower heat-insulation shell, and rubber layers are installed in the semicircular through holes; the upper heat-insulating shell is hermetically connected with the lower heat-insulating shell through fastening bolts.
As a preferred scheme of the utility model, the positioning shaft is arranged on the lower sealing cover; the positioning shaft is positioned at the lower part of the valve ball, and the positioning shaft and the valve rod are coaxially arranged; one end of the positioning shaft extends into the valve ball.
As an optimal scheme of the utility model install sealed disk seat between valve ball and the valve body.
As an optimal scheme of the utility model, install O type sealing washer on the sealing contact surface of valve body and sealed disk seat.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses a set up heating wire and heat-conducting glue, make the heating more even, effectually prevented that the inside fluid medium of ball valve from being frozen, protected the ball valve. The structure is compact, the manufacture is easy, and the reliability is good. And the ball valve is further subjected to anti-freezing and heat preservation by matching with the arrangement of the heat preservation assembly, and the ball valve is easy to assemble and disassemble and good in flexibility.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection structure of the upper heat-insulating shell and the lower heat-insulating shell of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1-upper sealing cover 2-valve body 3-valve ball 4-O type sealing ring
5-sealing valve seat 6-electric heating wire 7-heat conducting glue 8-heating power line
9-positioning shaft 10-lower sealing cover 11-fastening bolt 12-lower heat-insulating shell
13-rubber layer 14-heat-insulating glass surface layer 15-upper heat-insulating shell 16-polyurethane layer
17-valve stem.
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 efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 2, the utility model relates to a heat preservation ball valve, including valve body 2, valve ball 3, valve rod 17, heating element and heat preservation subassembly.
In particular, a flow channel is provided in the valve body 2 for the passage of the medium fluid. The valve ball 3 is installed in the flow channel of valve body 2, installs closing cap 1 and lower closing cap 10 on valve body 2, goes up closing cap 1 and is located the top of valve ball 3, and lower closing cap 10 is located the below of valve ball 3, is provided with the logical groove that transversely runs through valve ball 3 on valve ball 3, installs sealed disk seat 5 between valve ball 3 and valve body 2, has improved the leakproofness of ball valve. An O-shaped sealing ring 4 is arranged on the sealing contact surface of the valve body 2 and the sealing valve seat 5. Install location axle 9 on lower closing cap 10, location axle 9 is located the lower part of valve ball 3, and location axle 9 sets up with valve rod 17 is coaxial, and in the one end of location axle 9 stretched into valve ball 3, location axle 9 set up with valve rod 17 is coaxial, has guaranteed the uniformity when rotating. The valve rod 17 passes through the upper cover 1 and is connected to the top end of the valve ball 3. The surface cladding at valve ball 3 has one deck heat-conducting glue 7, and the winding has heating wire 6 in heat-conducting glue 7, and heating wire 6 links to each other with outside heating power cord 8, just so makes the heating more even, and the effectual inside fluid medium that has prevented the ball valve is frozen, has protected the ball valve, and the installation is compact, easily makes.
Further, the outer surface of valve body 2 is wrapped up in to the heat preservation subassembly. The heat insulation component comprises an upper heat insulation shell 15 and a lower heat insulation shell 12, and the assembly and disassembly are more convenient through combined installation. The outer walls of the upper heat-insulating shell 15 and the lower heat-insulating shell 12 are provided with polyurethane layers 16, the inner walls of the upper heat-insulating shell 15 and the lower heat-insulating shell 12 are provided with heat-insulating glass surface layers 14, and the heat-insulating glass surface layers 14 are bonded on the lower heat-insulating shell 12 through bonding agents, so that the heat-insulating performance of the ball valve is improved. Semicircular through holes are formed in the middle position of the lower end of the upper heat-insulating shell 15 and the middle position of the lower end of the lower heat-insulating shell 12, and the two semicircular through holes are combined to form a circular through hole for a ball valve pipeline to enter. The rubber layer 13 is arranged in the semicircular through hole, so that the rubber layer can be more attached to a channel of the valve body 2, and the sealing property and the heat preservation property of the rubber layer are improved. The upper heat-insulating shell 15 is hermetically connected with the lower heat-insulating shell 12 through the fastening bolt 11, so that the heat-insulating assembly is convenient to assemble and disassemble, the sealing performance of the ball valve is guaranteed, and the flexibility is better.
The utility model discloses an action principle process: when the low temperature environment, at 2 surface mounting heat preservation subassemblies of valve body, go up heat preservation casing 15 through fastening bolt 11 and heat preservation casing 12 sealing connection down, make and go up heat preservation casing 15 and heat preservation casing 12 down and can link together firmly, at last heat preservation casing 15 and heat preservation casing 12 down and the contact department of valve body 2 pipeline, be provided with rubber layer 13 simultaneously, improved the leakproofness of heat preservation subassembly. The surface of the valve ball 3 is wrapped with a layer of heat-conducting glue 7, the heat-conducting glue 7 is wound with a heating wire 6, the heating wire 6 is connected with an external heating power line 8, when the ambient temperature is lower, the heating power line 8 is switched on to enable the heating wire 6 to generate heat, the heat is transmitted to the valve ball 3 through the heat-conducting glue 7, and the medium fluid in the ball valve is prevented from being frozen.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A heat preservation ball valve is characterized by comprising;
a valve body; a flow channel is arranged in the valve body;
a valve ball; the valve ball is arranged in the flow channel of the valve body; an upper sealing cover and a lower sealing cover are arranged on the valve body, the upper sealing cover is positioned above the valve ball, and the lower sealing cover is positioned below the valve ball; a through groove transversely penetrating through the valve ball is formed in the valve ball;
a valve stem; the valve rod penetrates through the upper sealing cover and is connected with the top end of the valve ball;
a heating assembly; the surface of the valve ball is coated with a layer of heat-conducting glue, an electric heating wire is wound in the heat-conducting glue, and the electric heating wire is connected with an external heating power line;
a heat preservation assembly; the heat preservation assembly is wrapped on the outer surface of the valve body; the heat insulation assembly comprises an upper heat insulation shell and a lower heat insulation shell; polyurethane layers are arranged on the outer walls of the upper heat-insulation shell and the lower heat-insulation shell; the inner walls of the upper heat-insulating shell and the lower heat-insulating shell are provided with heat-insulating glass surface layers; semicircular through holes are formed in the middle position of the lower end of the upper heat-insulation shell and the middle position of the lower end of the lower heat-insulation shell, and rubber layers are installed in the semicircular through holes; the upper heat-insulating shell is hermetically connected with the lower heat-insulating shell through fastening bolts.
2. A thermo ball valve according to claim 1, wherein a positioning shaft is mounted on the lower cover; the positioning shaft is positioned at the lower part of the valve ball, and the positioning shaft and the valve rod are coaxially arranged; one end of the positioning shaft extends into the valve ball.
3. A thermo ball valve according to claim 1, characterised in that a sealing seat is mounted between the valve ball and the valve body.
4. A thermo-insulating ball valve according to claim 1, characterised in that the sealing contact surfaces of the valve body and the sealing valve seat are provided with O-rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436902.4U CN211117736U (en) | 2019-08-30 | 2019-08-30 | Heat-preservation ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436902.4U CN211117736U (en) | 2019-08-30 | 2019-08-30 | Heat-preservation ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117736U true CN211117736U (en) | 2020-07-28 |
Family
ID=71694113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921436902.4U Active CN211117736U (en) | 2019-08-30 | 2019-08-30 | Heat-preservation ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117736U (en) |
-
2019
- 2019-08-30 CN CN201921436902.4U patent/CN211117736U/en active Active
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