CN210070311U - R290 refrigerant flame-retardant pipe mounted on central air conditioner - Google Patents
R290 refrigerant flame-retardant pipe mounted on central air conditioner Download PDFInfo
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- CN210070311U CN210070311U CN201920867513.0U CN201920867513U CN210070311U CN 210070311 U CN210070311 U CN 210070311U CN 201920867513 U CN201920867513 U CN 201920867513U CN 210070311 U CN210070311 U CN 210070311U
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- layer
- retardant
- fixedly connected
- heat
- flame
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 70
- 239000003507 refrigerant Substances 0.000 title claims abstract description 25
- 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 title claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 239000010445 mica Substances 0.000 claims abstract description 6
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 229920003266 Leaf® Polymers 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 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
- 239000007789 gas Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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Abstract
The utility model discloses an install in fire-retardant pipe of R290 refrigerant of central air conditioning, including body, interior steel pipe layer, heat-conducting plate, spliced pole, fire-retardant layer, thermal expansion layer, restrictive coating, fly leaf, fixed frame, screw rod, nut, recess, pivot, fixed block, side channel, elastic block, gasket, space, curb plate, first bolt, connecting plate, second bolt, draw-in groove, fixture block, cardboard and seal ring. The utility model discloses it is rational in infrastructure, through the elasticity piece, gasket and space, for the expend with heat and contract with cold of body provides certain tension, through rotating the nut, make the nut rotate in the inside of recess, first bolt drives the fixed block and shifts up, thereby adjust the mounting height of fire-retardant pipe, heat-conducting layer and the heat-conducting plate through interior steel pipe layer one end, adsorb the heat that fire-retardant pipe produced, conduct the heat through heat-conducting plate and spliced pole, interweave the fire-retardant layer of constituteing through multilayer mica and glass fiber, improve fire-retardant thermal-insulated effect.
Description
Technical Field
The utility model relates to a fire-retardant pipe of refrigerant specifically is an install in fire-retardant pipe of R290 refrigerant of central air conditioning, belongs to R290 refrigerant application technical field.
Background
R290 (propane) is also called as cold coal, is a novel environment-friendly refrigerant, is mainly used for central air conditioners, heat pump air conditioners, household air conditioners and other small refrigeration equipment, and high-purity R290 is used as a temperature sensing working medium; the super grade and first grade R290 can be used as a refrigerant to replace R22 and R502, is compatible with the original system and lubricating oil, is used for central air conditioners, heat pump air conditioners, household air conditioners and other small refrigeration equipment, and can also be used for metal oxygen cutting gas.
The existing R290 refrigerant is mixed with air to form an explosive mixture, and when encountering heat sources and naked flames, the explosive mixture is burnt and exploded, the existing R290 refrigerant flame-retardant pipe is installed in a central air conditioner, is generally fixedly installed, is inconvenient to install and disassemble and is inconvenient to maintain and replace, and the existing flame-retardant pipe has the general flame-retardant capability, and basically all the existing flame-retardant pipe is burnt into ash after being burnt, so that the leakage of the R290 in a circuit is caused, the joint of the general refrigerant flame-retardant pipe is easy to leak, and the safe operation of the central air conditioner is influenced. Therefore, an R290 refrigerant flame retardant tube installed in a central air conditioner is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve the above problems and to provide a R290 refrigerant flame retardant tube installed in a central air conditioner.
The utility model realizes the purpose through the following technical proposal, an R refrigerant flame-retardant pipe installed on a central air conditioner comprises a pipe body, a fixed block, a fixed adjusting device and a flame-retardant leakage-proof device;
the fixed adjusting device comprises a movable plate, a fixed block and a nut, wherein the movable plate is rotatably connected to one end of the fixed block through a rotating shaft, one end of the movable plate is fixedly connected with an elastic block, one end of the elastic block is fixedly connected with the gasket, a side groove is formed in the gasket, one end of the fixed block is fixedly connected with the screw, the screw is in threaded connection with the nut, the nut is rotatably connected to the inside of the groove, one end of the movable plate is fixedly connected with a side plate, and the inside of the side plate is in threaded connection;
the flame-retardant leakage-proof device comprises an inner steel pipe layer fixedly connected inside the pipe body, an outer ring side wall of the inner steel pipe layer is fixedly connected with a heat-conducting layer, an outer ring side wall of the heat-conducting layer is fixedly connected with a flame-retardant layer, an outer ring side wall of the flame-retardant layer is fixedly connected with a thermal expansion layer, an outer ring side wall of the thermal expansion layer is fixedly connected with a sheath layer, one end of the pipe body is fixedly connected with a connecting plate, a clamping groove is formed in the connecting plate, and the clamping block is clamped inside.
Preferably, the sheath layer is an epoxy resin layer, and the outer side surface of the sheath layer is coated with a flame-retardant coating.
Preferably, the fixture block is a T-shaped fixture block, one end of the fixture block is fixedly connected with the clamping plate, and a sealing washer is adhered between the clamping plate and the pipe body.
Preferably, the elastic blocks are equidistantly distributed at one end of the movable plate, and a gap is formed between every two adjacent elastic blocks.
Preferably, the groove is formed in one end of the fixing frame, and the two ends of the fixing frame are slidably connected with the screw.
Preferably, a side groove is formed in one end of the gasket, the inner portion of the side groove is connected with one end of the connecting plate in a clamping mode, and two adjacent connecting plates are connected through second bolt threads.
Preferably, the heat-conducting layer is fixedly connected with the heat-conducting plate, one end of the heat-conducting plate is fixedly connected with the connecting column, and the connecting column penetrates through the heat-conducting layer and the flame-retardant layer.
Preferably, the thermal expansion layer is expandable graphite.
Preferably, the connecting plates are annular, and the clamping groove between the two connecting plates forms a T-shaped groove.
Preferably, the flame-retardant layer is formed by interweaving a plurality of layers of mica and glass fibers.
The utility model has the advantages that:
1. the laminating is cup jointed through the cardboard with seal ring and fixture block one end, then with the one end block of fixture block and one of them connecting plate, draw-in groove and the fixture block that passes through connecting plate one end with adjacent another body, make the inner wall laminating of seal ring and cardboard and body, two connecting plates pass through the second bolt fastening, thereby improve the sealed of fire-retardant coupling department, prevent revealing, with the side slot block of two connecting plates that the body is closed and gasket one end, rotate two fly leafs through the pivot, make two fly leafs rotate certain angle through the pivot, elastic block and gasket and the lateral wall laminating of body, through the curb plate threaded connection of first bolt with two fly leaf one end, thereby conveniently fix the fire-retardant pipe of equidimension not, improve sealed effect simultaneously.
2. Through the elastic block, gasket and space, expend with heat and contract with cold for the body and provide certain tension, through rotating the nut, make the nut rotate in the inside of recess, first bolt drives the fixed block and shifts up, thereby adjust the mounting height of fire-retardant pipe, heat-conducting layer and the heat-conducting plate through interior steel pipe layer one end, adsorb the heat that fire-retardant pipe produced, conduct the heat through heat-conducting plate and spliced pole, interweave the fire-retardant layer of constituteing through multilayer mica and glass fiber, improve fire-retardant thermal-insulated effect, reduce the possibility of the inside burning of fire-retardant pipe, through the thermal expansion layer that expandable graphite constitutes, adapt to the expend with heat and contract with cold of body, the restrictive coating of constituteing through the epoxy layer, reduce the possibility that fire-retardant outside of managing is fired, improve the flame.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the tube body of the present invention;
fig. 4 is a schematic position diagram of the pipe body, the fixing frame, the screw, the nut, the movable plate, the rotating shaft, the fixing block, the gasket, the first bolt and the side plate of the present invention;
fig. 5 is the position schematic diagram of the pipe body, the connecting plate, the second bolt, the clamping groove, the clamping block, the clamping plate and the sealing washer of the present invention.
In the figure: 1. the heat-conducting pipe comprises a pipe body, 101, an inner steel pipe layer, 102, a heat-conducting layer, 103, a heat-conducting plate, 104, a connecting column, 105, a flame-retardant layer, 106, a thermal expansion layer, 107, a sheath layer, 2, a movable plate, 3, a fixed frame, 4, a screw, 5, a nut, 6, a groove, 7, a rotating shaft, 8, a fixed block, 9, a side groove, 10, an elastic block, 11, a gasket, 12, a gap, 13, a side plate, 14, a first bolt, 15, a connecting plate, 16, a second bolt, 17, a clamping groove, 18, a clamping block, 19, a clamping plate, 20 and a sealing.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-5, an R290 refrigerant flame retardant tube installed in a central air conditioner includes a tube body 1, a fixing block 8, a fixing and adjusting device and a flame retardant and leakage proof device;
the fixed adjusting device comprises a movable plate 2, a rotating shaft 7 is rotatably connected to one end of a fixed block 8, one end of the movable plate 2 is fixedly connected with an elastic block 10, one end of the elastic block 10 is fixedly connected with a gasket 11, a side groove 9 is formed in the gasket 11, one end of the fixed block 8 is fixedly connected with a screw rod 4, the screw rod 4 is in threaded connection with a nut 5, the nut 5 is rotatably connected in a groove 6, one end of the movable plate 2 is fixedly connected with a side plate 13, and the inner part of the side plate 13 is in threaded connection with a first bolt 14, so that the installation and the disassembly are convenient;
the flame-retardant leakage-proof device comprises an inner steel pipe layer 101 fixedly connected to the inside of the pipe body 1, an outer ring side wall fixedly connected with a heat conduction layer 102 of the inner steel pipe layer 101, an outer ring side wall fixedly connected with a flame-retardant layer 105 of the heat conduction layer 102, an outer ring side wall fixedly connected with a thermal expansion layer 106 of the flame-retardant layer 105, an outer ring side wall fixedly connected with a sheath layer 107 of the thermal expansion layer 106, one end fixedly connected with a connection plate 15 of the pipe body 1, a clamping groove 17 is formed in the connection plate 15, a clamping block 18 is connected to the clamping groove 17 in an internal clamping mode, sealing of the position of the flame-retardant pipe joint is improved.
The heat-conducting pipe is characterized in that the sheath layer 107 is an epoxy resin layer, flame-retardant paint is coated on the outer side surface of the sheath layer 107, the structure is more reasonable, the flame-retardant effect is better, the fixture blocks 18 are T-shaped fixture blocks, one ends of the fixture blocks 18 are fixedly connected with the fixture plates 19, the sealing gaskets 20 are adhered between the fixture plates 19 and the pipe body 1, the structure is more reasonable and convenient to connect, the elastic blocks 10 are distributed at one end of the movable plate 2 at equal intervals, gaps 12 are formed between every two adjacent elastic blocks 10, the structure is more reasonable and convenient to connect, the grooves 6 are formed in one end of the fixed frame 3, two ends of the fixed frame 3 are connected with the screw rods 4 in a sliding mode, the structure is more reasonable and convenient to connect, the side grooves 9 are formed in one end of the gaskets 11, the insides of the side grooves 9 are clamped and connected with one ends of the connecting, one end of the heat conducting plate 103 is fixedly connected with a connecting column 104, the connecting column 104 penetrates through the heat conducting layer 102 and the flame retardant layer 105, the thermal expansion layer 106 is made of expandable graphite and is more reasonable in structure and convenient to connect, the connecting plates 15 are annular, a T-shaped groove is formed by the clamping grooves 17 between the two connecting plates 15, the structure is more reasonable and convenient to connect, and the flame retardant layer 105 is formed by interweaving multiple layers of mica and glass fibers and is more reasonable in structure and convenient to retard flame.
When the utility model is used, firstly, the top end of the screw rod 4 is fixed, the sealing washer 20 is sleeved and jointed with the clamping plate 19 at one end of the clamping block 18, then the clamping block 18 is clamped with one end of one connecting plate 15, the adjacent other pipe body 1 is clamped with the clamping block 18 through the clamping groove 17 at one end of the connecting plate 15, so that the sealing washer 20 and the clamping plate 19 are jointed with the inner wall of the pipe body 1, the two connecting plates 15 are fixed through the second bolt 16, thereby improving the sealing at the joint of the flame-retardant pipe and preventing leakage, then the connecting plate 15 which is closed by the two pipe bodies 1 is clamped with the side groove 9 at one end of the gasket 11, the two movable plates 2 are rotated through the rotating shaft 7, so that the two movable plates 2 are rotated by a certain angle through the rotating shaft 7, the elastic blocks 10 and the gasket 11 are jointed with the side wall of the pipe body 1, the side plates, meanwhile, the sealing effect is improved, a certain tension is provided for the expansion with heat and the contraction with cold of the pipe body 1 through the elastic block 10, the gasket 11 and the gap 12, by rotating the nut 5, the nut 5 is rotated in the groove 6, the first bolt 14 drives the fixed block 8 to move upwards, thereby adjusting the installation height of the flame retardant pipe, through the heat conduction layer 102 and the heat conduction plate 103 at one end of the inner steel pipe layer 101, absorbs the heat generated by the flame-retardant tube, conducts the heat through the heat-conducting plate 103 and the connecting column 104, the flame-retardant layer 105 formed by interweaving a plurality of layers of mica and glass fiber improves the flame-retardant and heat-insulating effect, reduces the possibility of burning in the flame-retardant pipe, the thermal expansion layer 106 formed by the expandable graphite is adapted to the thermal expansion and cold contraction of the pipe body 1, the sheathing layer 107 formed by the epoxy resin layer reduces the possibility of fire outside the flame-retardant pipe, improves the flame-retardant effect of the flame-retardant pipe, and is convenient to install and lift.
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.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An R290 refrigerant flame-retardant pipe installed in a central air conditioner is characterized in that: comprises a pipe body (1), a fixing block (8), a fixing and adjusting device and a flame-retardant and leak-proof device;
the fixed adjusting device comprises a movable plate (2) which is rotatably connected to one end of a fixed block (8) through a rotating shaft (7), one end of the movable plate (2) is fixedly connected with an elastic block (10), one end of the elastic block (10) is fixedly connected with a gasket (11), a side groove (9) is formed in the gasket (11), one end of the fixed block (8) is fixedly connected with a screw rod (4), the screw rod (4) is in threaded connection with a nut (5), the nut (5) is rotatably connected in a groove (6), one end of the movable plate (2) is fixedly connected with a side plate (13), and the inner part of the side plate (13) is in threaded connection with a first bolt (14);
the flame-retardant leakage-proof device comprises an inner steel pipe layer (101) fixedly connected inside a pipe body (1), an outer ring side wall fixedly connected heat conducting layer (102) of the inner steel pipe layer (101), an outer ring side wall fixedly connected flame-retardant layer (105) of the heat conducting layer (102), an outer ring side wall fixedly connected heat expansion layer (106) of the flame-retardant layer (105), an outer ring side wall fixedly connected sheath layer (107) of the heat expansion layer (106), one end fixedly connected connecting plate (15) of the pipe body (1), a clamping groove (17) is formed in the connecting plate (15), and the clamping block (18) is connected with the inner clamping of the clamping groove (17).
2. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the sheath layer (107) is an epoxy resin layer, and the outer side surface of the sheath layer (107) is coated with flame retardant paint.
3. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the fixture block (18) is a T-shaped fixture block, one end of the fixture block (18) is fixedly connected with a clamping plate (19), and a sealing washer (20) is adhered between the clamping plate (19) and the pipe body (1).
4. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the elastic blocks (10) are distributed at one end of the movable plate (2) at equal intervals, and a gap (12) is formed between every two adjacent elastic blocks (10).
5. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the groove (6) is formed in one end of the fixing frame (3), and two ends of the fixing frame (3) are connected with the screw rods (4) in a sliding mode.
6. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: one end of the gasket (11) is provided with a side groove (9), the inner part of the side groove (9) is clamped and connected with one end of the connecting plate (15), and two adjacent connecting plates (15) are in threaded connection through a second bolt (16).
7. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the heat conduction layer (102) is fixedly connected with the heat conduction plate (103) in the inner part, one end of the heat conduction plate (103) is fixedly connected with the connecting column (104), and the connecting column (104) penetrates through the heat conduction layer (102) and the flame retardant layer (105).
8. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the thermal expansion layer (106) is expandable graphite.
9. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the connecting plates (15) are annular, and a clamping groove (17) between the two connecting plates (15) forms a T-shaped groove.
10. The R290 refrigerant fire retardant pipe installed in a central air conditioner according to claim 1, wherein: the flame-retardant layer (105) is formed by interweaving a plurality of layers of mica and glass fibers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920867513.0U CN210070311U (en) | 2019-06-10 | 2019-06-10 | R290 refrigerant flame-retardant pipe mounted on central air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920867513.0U CN210070311U (en) | 2019-06-10 | 2019-06-10 | R290 refrigerant flame-retardant pipe mounted on central air conditioner |
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Publication Number | Publication Date |
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CN210070311U true CN210070311U (en) | 2020-02-14 |
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Application Number | Title | Priority Date | Filing Date |
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CN201920867513.0U Expired - Fee Related CN210070311U (en) | 2019-06-10 | 2019-06-10 | R290 refrigerant flame-retardant pipe mounted on central air conditioner |
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Country | Link |
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CN (1) | CN210070311U (en) |
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2019
- 2019-06-10 CN CN201920867513.0U patent/CN210070311U/en not_active Expired - Fee Related
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