CN215410858U - Anti-freezing valve pipe fitting - Google Patents
Anti-freezing valve pipe fitting Download PDFInfo
- Publication number
- CN215410858U CN215410858U CN202121824145.5U CN202121824145U CN215410858U CN 215410858 U CN215410858 U CN 215410858U CN 202121824145 U CN202121824145 U CN 202121824145U CN 215410858 U CN215410858 U CN 215410858U
- Authority
- CN
- China
- Prior art keywords
- valve
- electric heating
- valve body
- protective layer
- silicone rubber
- Prior art date
- 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
Links
- 238000007710 freezing Methods 0.000 title claims abstract description 9
- 238000005485 electric heating Methods 0.000 claims abstract description 27
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 19
- 239000004945 silicone rubber Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 8
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 230000002528 anti-freeze Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 229910018487 Ni—Cr Inorganic materials 0.000 description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an anti-freezing valve pipe fitting, which has the technical scheme that: the valve comprises a valve body and connecting pipes arranged at the left end and the right end of the valve body, wherein a fixed seat is fixedly arranged at the upper end of the valve body, a valve rod is arranged inside the fixed seat, the connecting pipe sequentially consists of an inner protective layer, a middle heat-insulating layer and an outer protective layer from inside to outside, the middle heat-insulating layer is made of methyl vinyl silicone rubber, the outer protective layer is made of phenyl silicone rubber, a steel wire belt is embedded inside the phenyl silicone rubber, an electric heating belt is wound at the outer end of the middle heat-insulating layer, a mounting groove is formed in the position, corresponding to the electric heating belt, of the inner wall of the outer protective layer, and the electric heating belt sequentially consists of an electric heating wire, a flame-retardant layer and a protective layer from inside to outside; the utility model solves the problem of poor anti-freezing effect of the existing pipeline in use.
Description
Technical Field
The utility model relates to the technical field of pipeline protection, in particular to an anti-freezing valve pipe fitting.
Background
Piping refers to a device for transporting a gas, liquid or fluid with solid particles connected by pipes, pipe couplings, valves, etc. Generally, fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, flows from a high-pressure part to a low-pressure part of a pipeline, and can be conveyed by utilizing the pressure or gravity of the fluid, so that the pipeline has wide application range and is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.
The prior Chinese utility model with publication number CN209688295U discloses a valve pipe fitting for machinery convenient to disassemble, which comprises a first pipe fitting, wherein the left side of the first pipe fitting is symmetrically provided with a second pipe fitting, the adjacent port parts of the first pipe fitting and the second pipe fitting are fixedly connected with pipe fitting flanges, the surface of the pipe fitting flanges is provided with flange through holes, the outer side of the first pipe fitting is sleeved with a locking chuck, the surface of the locking chuck is welded with a lead screw, the edge part of the locking chuck is provided with a mounting groove, the inside of the mounting groove is fixedly connected with a positioning block, the surface of the positioning block is provided with an internal thread hole, the outer side of the first pipe fitting is sleeved with a limiting chuck, the limiting chuck is arranged at the right side of the locking chuck, the surface of the limiting chuck is provided with a chuck through hole, the inner wall of the limiting chuck is provided with an arc-shaped block, the outer wall of the limiting chuck is in threaded connection with a first bolt, and the end part of the first bolt is contacted with the outer wall of the arc-shaped block, the lead screw runs through the inside of flange through-hole in proper order, and extends to the left side and the lock nut threaded connection of pipe fitting flange, and the inside of chuck through-hole is provided with the second bolt, the left side tip fixedly connected with valve of second pipe fitting.
According to the valve pipe fitting convenient to disassemble and used for machinery, the locking chuck and the limiting chuck are sequentially additionally arranged on the outer side of the first pipe fitting, the locking chuck is used by matching the screw rod and the locking nut, pipe fitting flanges on two sides are fastened, the effect of fixing the first pipe fitting and the second pipe fitting is realized, only the locking nut needs to be disassembled, and the first pipe fitting and the second pipe fitting are conveniently separated; spacing chuck passes through the second bolted connection with the locking chuck and realizes the effect of reciprocal anchorage, only needs rotatory second bolt, drives the locating piece and removes to one side of spacing chuck, realizes the separation of locking chuck and pipe fitting flange, prevents to be connected the effect that is difficult for dismantling because of the pipe fitting for a long time.
However, the above-mentioned mechanical valve tube which is easy to disassemble still has some problems, such as: in the pipeline use, can receive the influence of weather usually, when the weather is cold, the pipeline can be by the frost crack, perhaps inside liquid fluid freezes, has influenced the transportation, and the frost protection device of general pipeline all adopts the foam of preventing frostbite, and the frost effect of this kind of mode is general, is unfavorable for the use.
SUMMERY OF THE UTILITY MODEL
In view of the problems mentioned in the background art, the utility model aims to provide an antifreezing valve pipe fitting to solve the problem that the existing pipeline mentioned in the background art has poor antifreezing effect in use.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides an anti-freezing type valve pipe fitting, includes the valve body and sets up the connecting pipe at the left and right both ends of valve body, and the upper end of valve body is fixed and is provided with the fixing base, and the inside of fixing base is provided with the valve rod, the connecting pipe comprises interior inoxidizing coating, middle heat preservation and outer inoxidizing coating from inside to outside in proper order, middle heat preservation adopts methyl vinyl silicone rubber material to make, outer inoxidizing coating adopts phenyl silicone rubber material to make, and phenyl silicone rubber's inside is inlayed and is equipped with the steel wire area, the outer end winding of middle heat preservation has the electric heating area, the inner wall of outer inoxidizing coating is corresponding to the mounting groove has been seted up to the position department of electric heating area, the electric heating area is inside to outside comprises heating wire, fire-retardant layer and protective layer in proper order.
Furthermore, one end of the electric heating belt extends out of the connecting pipe and is electrically connected with the power supply unit.
Through adopting above-mentioned technical scheme, after the liquid of pipeline inside is frozen, can supply power to the electric heating area through the power supply unit, the electric heating area can be fast with the liquid of pipeline inside freeze thawing.
Furthermore, the flame-retardant layer is made of heat-conducting rubber, and the protective layer is made of a phenylene silicone rubber material.
By adopting the technical scheme, the heat-conducting rubber has excellent heat conductivity and can be used for heat transfer media, the phenylene silicon rubber has good mechanical property and tensile strength, and meanwhile, the phenylene silicon rubber has excellent high-temperature resistance and radiation resistance, not only has excellent flame retardant property, but also has low smoke generation amount during combustion and has no harmful effect on surrounding personnel and equipment.
Furthermore, the valve body is fixedly connected with the connecting pipe through a connecting piece and a mounting piece, and a plurality of fastening screws are arranged between the connecting piece and the mounting piece and between the valve body and the mounting piece.
Through adopting above-mentioned technical scheme, be convenient for carry out fixed mounting with valve body and connecting pipe.
Furthermore, a flange plate is fixedly arranged at one end, far away from the valve body, of the connecting pipe.
Through adopting above-mentioned technical scheme, the connecting pipe can be connected with other connecting pipes through the ring flange.
Further, the upper end of fixing base is through connecting seat fixedly connected with sheath, the inside of sheath is provided with the valve rod, the fixed handle that is provided with in upper end of valve rod.
Through adopting above-mentioned technical scheme, the user rotates the handle and can control the valve rod and rotate to the case of control valve rod lower extreme rotates, thereby plays the effect of control liquid velocity of flow.
In summary, the utility model mainly has the following beneficial effects:
the utility model discloses a, through the inside at the connecting pipe is provided with middle heat preservation, middle heat preservation adopts methyl vinyl silicone rubber material to make, methyl vinyl silicone rubber has good resistant height, low temperature nature, can improve the cold resistance of connecting pipe effectively, freezing resistance, be provided with the electric heating tape in the inside of connecting pipe simultaneously, after the inside liquid of pipeline is frozen, can supply power to the electric heating tape through the power supply unit, the electric heating tape can be fast with the inside liquid that freezes of pipeline freeze to melt, make the pipeline can be applicable to in the various extreme weather conditions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a connecting tube according to the present invention;
fig. 3 is a schematic view of the internal structure of the electric heating belt of the present invention.
In the figure: 1. a valve body; 2. a connecting pipe; 3. a fixed seat; 4. a valve stem; 5. an inner protective layer; 6. an intermediate insulating layer; 7. an outer protective layer; 701. mounting grooves; 8. an electrical heating belt; 801. an electric heating wire; 802. a flame retardant layer; 803. a protective layer; 9. connecting sheets; 10. mounting a sheet; 11. a flange plate; 12. a connecting seat; 13. A handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-3, an anti-freezing valve pipe fitting comprises a valve body 1 and connecting pipes 2 arranged at the left and right ends of the valve body 1, a fixing seat 3 is fixedly arranged at the upper end of the valve body 1, a valve rod 4 is arranged inside the fixing seat 3, the connecting pipes 2 are sequentially composed of an inner protective layer 5, a middle heat insulation layer 6 and an outer protective layer 7 from inside to outside, the inner protective layer 5 can be a PPR pipe, the middle heat insulation layer 6 is made of methyl vinyl silicone rubber, the methyl vinyl silicone rubber has good high and low temperature resistance and can work at-50 to 250 ℃ for a long time, meanwhile, the methyl vinyl silicone rubber also has good moisture resistance and electrical insulation, and can ensure the normal operation of the pipe under severe environment in the north in winter, the outer protective layer 7 is made of phenyl silicone rubber, a steel wire belt is embedded inside the phenyl silicone rubber, and the phenyl silicone rubber has good low temperature resistance, the protective performance of the pipe can be improved by arranging the steel wire belt in the phenyl silicone rubber, the outer end of the middle heat-insulating layer 6 is wound with the electric heating belt 8, the electric heating belt 8 can be fixed at the outer end of the middle heat-insulating layer 6 by gluing or other modes, one end of the electric heating belt 8 extends out of the connecting pipe 2 and is electrically connected with the power supply unit, the outer end of the power supply unit is connected with the control switch, thus, when an operator needs to open the electric heating belt 8, only the control switch needs to be opened, the inner wall of the outer protective layer 7 is provided with the mounting groove 701 at the position corresponding to the electric heating belt 8, the electric heating belt 8 sequentially comprises an electric heating wire 801, a flame-retardant layer 802 and a protective layer 803 from inside to outside, the electric heating wire 801 is a nickel-chromium heating wire, the nickel-chromium heating wire is not easy to deform under the high-temperature use, the structure of the nickel-chromium heating wire is not easy to change, the plasticity is better, the repair is easy, and the radiation rate is high, the flame-retardant coating is non-magnetic, high in corrosion resistance and long in service life, the flame-retardant layer 802 is made of heat-conducting rubber, the protective layer 803 is made of phenylene silicon rubber, the heat-conducting rubber has excellent heat conductivity and can be used for heat transfer media, the phenylene silicon rubber has good mechanical properties and tensile strength, and a good protection effect can be provided for the internal heating wire 801.
Refer to fig. 1, through connection piece 9 and installation piece 10 fixed connection between valve body 1 and the connecting pipe 2, connection piece 9, be provided with a plurality of fastening screw between installation piece 10 and the valve body 1, the fixed ring flange 11 that is provided with of one end that the valve body 1 was kept away from to connecting pipe 2, connecting seat 12 fixedly connected with sheath is passed through to the upper end of fixing base 3, the inside of sheath is provided with valve rod 4, the lower extreme of valve rod 4 is connected with the case, the case sets up the inside at valve body 1, be used for the inside fluidic velocity of flow of control pipe, the fixed handle 13 that is provided with in upper end of valve rod 4, the user rotates handle 13 and can control valve rod 4 and rotate, thereby the case of control valve rod 4 lower extreme rotates, thereby play the effect of the velocity of flow of control liquid.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an anti-freezing type valve pipe fitting, includes valve body (1) and connecting pipe (2) of setting at the left and right both ends of valve body (1), the fixed fixing base (3) that is provided with in upper end of valve body (1), the inside of fixing base (3) is provided with valve rod (4), its characterized in that: connecting pipe (2) comprises interior inoxidizing coating (5), middle heat preservation (6) and outer inoxidizing coating (7) from inside to outside in proper order, middle heat preservation (6) adopt methyl vinyl silicone rubber material to make, outer inoxidizing coating (7) adopt phenyl silicone rubber material to make, and phenyl silicone rubber's inside is inlayed and is equipped with the steel wire area, the outer end winding of middle heat preservation (6) has electric heating tape (8), the inner wall of outer inoxidizing coating (7) is corresponding to position department of electric heating tape (8) has seted up mounting groove (701), electric heating tape (8) are gone to outer and are constituteed by heating wire (801), fire-retardant layer (802) and protective layer (803) in proper order.
2. The antifreeze valve tubing of claim 1, wherein: one end of the electric heating belt (8) extends out of the connecting pipe (2) and is electrically connected with the power supply unit.
3. The antifreeze valve tubing of claim 1, wherein: the flame-retardant layer (802) is made of heat-conducting rubber, and the protective layer (803) is made of phenylene silicon rubber material.
4. The antifreeze valve tubing of claim 1, wherein: the valve body (1) is fixedly connected with the connecting pipe (2) through a connecting piece (9) and an installation piece (10), and a plurality of fastening screws are arranged between the connecting piece (9), the installation piece (10) and the valve body (1).
5. The antifreeze valve tubing of claim 1, wherein: and a flange plate (11) is fixedly arranged at one end of the connecting pipe (2) far away from the valve body (1).
6. The antifreeze valve tubing of claim 1, wherein: the upper end of fixing base (3) is through connecting seat (12) fixedly connected with sheath, the inside of sheath is provided with valve rod (4), the upper end of valve rod (4) is fixed and is provided with handle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121824145.5U CN215410858U (en) | 2021-08-06 | 2021-08-06 | Anti-freezing valve pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121824145.5U CN215410858U (en) | 2021-08-06 | 2021-08-06 | Anti-freezing valve pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410858U true CN215410858U (en) | 2022-01-04 |
Family
ID=79657939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121824145.5U Expired - Fee Related CN215410858U (en) | 2021-08-06 | 2021-08-06 | Anti-freezing valve pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410858U (en) |
-
2021
- 2021-08-06 CN CN202121824145.5U patent/CN215410858U/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: 20220104 |