CN112172467A - Passenger car air duct ceiling and flame-retardant environment-friendly multilayer composite heat-insulating material thereof - Google Patents
Passenger car air duct ceiling and flame-retardant environment-friendly multilayer composite heat-insulating material thereof Download PDFInfo
- Publication number
- CN112172467A CN112172467A CN202011068881.2A CN202011068881A CN112172467A CN 112172467 A CN112172467 A CN 112172467A CN 202011068881 A CN202011068881 A CN 202011068881A CN 112172467 A CN112172467 A CN 112172467A
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- China
- Prior art keywords
- air duct
- ceiling
- passenger car
- pull rod
- duct ceiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/26—Ventilating openings in vehicle exterior; Ducts for conveying ventilating air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0212—Roof or head liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Thermal Sciences (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a passenger car air duct ceiling which comprises a passenger car body, wherein an air duct is arranged on the passenger car body, one side of the air duct is provided with an air duct ceiling, the air duct ceiling is made of flame-retardant environment-friendly multilayer composite heat insulation materials, one side of the passenger car body, which is positioned on the air duct, is rotatably connected with a first connecting ball, one side of the first connecting ball is fixedly provided with a first pull rod, the other end of the first pull rod is provided with a hanging buckle, two ends of the first pull rod are rotatably connected with a second pull rod, the other end of the second pull rod is connected with the passenger car body through a first tension spring, and the hanging buckle is connected with the air duct ceiling through a hook; the air duct ceiling is further pulled through the first pull rod and the second pull rod, a certain elastic buffering effect is achieved, hard collision is reduced, the smoothness of the air duct ceiling of the passenger car is guaranteed due to the adoption of a multilayer composite structure, and the requirements of the flame retardant performance of the whole car can be met due to the adoption of a full-environment-friendly flame retardant material (containing glue).
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a passenger car air duct ceiling and a flame-retardant environment-friendly multilayer composite heat-insulating material thereof.
Background
At present, the ceiling in the air duct of a passenger car product mainly adopts a foaming process and is influenced by expansion of foaming agent materials, the thickness of the roof is uneven after the foaming agent is filled, the thickness of the air duct heat insulation materials which are mainly adopted at present is 3mm, the materials are soft and not formed, the phenomenon that the air duct ceiling is uneven is caused, and the air duct ceiling can form a central control space, so that the structure is easy to cause instability, and the use is influenced due to shaking in the use process.
Disclosure of Invention
The invention mainly aims to provide a passenger car air duct ceiling and a flame-retardant environment-friendly multilayer composite heat-insulating material thereof, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a passenger train wind channel ceiling, includes the passenger train carriage, be provided with the wind channel on the passenger train carriage, one side in wind channel is provided with the wind channel ceiling, the wind channel ceiling is fire-retardant environment-friendly multilayer composite heat insulation material, one side that the passenger train carriage is located the wind channel is rotated and is connected with first connecting ball, one side of first connecting ball is fixed with first pull rod, the other end of first pull rod is provided with to hang and detains, the both ends of first pull rod are rotated and are connected with the second pull rod, the other end of second pull rod is connected with the passenger train carriage through first tension spring, it is connected with the wind channel ceiling through the couple to hang to detain.
Preferably, a second connecting ball is fixed at one end, close to the passenger car compartment, of the second pull rod, the second connecting ball is connected with the first tension spring, and the second connecting ball is rotatably connected with the passenger car compartment.
Preferably, the first pull rod is divided into two sections, the two sections are connected through a second tension spring, and the outer rings of the two sections of the first pull rod are sleeved with the supporting sleeves.
Preferably, two support rods are fixed at the bottom of the hook and connected with the ceiling of the air duct.
Preferably, an auxiliary distribution fan is arranged between the two support rods.
Preferably, the inner sides of the two ends of the air duct ceiling are both provided with a sealing baffle plate, the sealing baffle plate is fixedly connected with a passenger car compartment, and a sealing ring is arranged between the sealing baffle plate and the air duct ceiling.
Preferably, the bottom of the passenger car compartment close to the air duct ceiling is provided with a locking block in an inserted manner, a supporting spring is installed on the inner side of the locking block, and the top of the passenger car compartment close to the air duct ceiling is rotatably connected with a fixed top plate through screws.
Preferably, the material of the air duct ceiling in the air duct ceiling of the passenger car comprises a plastic plate and a non-setting adhesive sound absorption pad, wherein the plastic plate and the non-setting adhesive sound absorption pad are compounded, and polyurethane pressure-sensitive adhesive is arranged on one side of the plastic plate.
Preferably, the thickness of the self-adhesive sound absorption pad is 3-5mm, and the thickness of the plastic plate is 1.5-2 mm.
Table one: technical parameters of adhesive sound absorption pad material
The flame-retardant property of the plastic plate meets the requirements of heat preservation and heat insulation materials in GB 8410A 0 grade and GB 38262-2019 standard, the tensile strength is more than or equal to 2.4Mpa, the plastic plate has certain strength and toughness, and the phenomena of fracture, collapse, damage and the like can be prevented under the condition that the bending angle is not more than 90 degrees. The flat sticking characteristic of the self-adhesive sound absorption pad is met.
The polyurethane pressure-sensitive adhesive has good viscosity, flame retardance and environmental protection, and the specific technical parameters are shown in Table II
Table two: performance index of polyurethane pressure-sensitive adhesive
| Item | Technical index | Correlation criteria |
| Solid content | 54.7 | GB/T 2793-1995 |
| Smell(s) | Has no irritation | HG/T 4065-2008 |
| Appearance of the product | Milky white color | Under natural light, visual observation |
| Viscosity of the oil | 2800mpa.s | GB/T 2793-1995 |
| pH value | 7.0 | GB/T 14518-1993 |
| Initial tack | 25# ball | GB/T 4852-2002 |
| Viscosity retention property | ≥24h | GB/T 4851-84 |
| Peeling force | 11.2 | GB 2792-98 |
The invention has the advantages that:
(1) the material disclosed by the invention adopts a multilayer composite structure, and the smoothness of the air duct ceiling of the passenger car is ensured under the condition of meeting the heat insulation requirement.
(2) The material of the invention adopts a full environment-friendly flame-retardant material (containing glue), and can meet the requirement of the flame-retardant performance of the whole vehicle.
Compared with the prior art, the invention has the following beneficial effects:
1. this passenger train wind channel ceiling and fire-retardant environment-friendly multilayer composite heat insulation material thereof, when installing, is connected with the knot of hanging on the first pull rod through the couple on the wind channel ceiling, plays the effect of pulling wind channel ceiling, plays further fixed action, and is firm to through the further pulling wind channel ceiling of first pull rod and second pull rod, and play certain elastic buffer's effect, reduce rigid collision, reduce the damage.
2. This passenger train wind channel ceiling and fire-retardant environment-friendly multilayer composite heat insulation material thereof drives the wind channel ceiling through first pull rod and hugs closely sealing baffle and plays the seal, and is fixed through fixed roof with the upper end of wind channel baffle to through bottom and locking block lock joint, conveniently install.
3. According to the air duct ceiling of the passenger car and the flame-retardant environment-friendly multilayer composite heat-insulating material, the adhesive sticker sound absorption pad is made of environment-friendly materials, the heat-insulating flame-retardant property is good, the soft temperature resistance is strong, the plastic board is made of environment-friendly materials and has certain strength and toughness, the phenomena of breakage, collapse, damage and the like can be avoided under the condition that the bending angle is not more than 90 degrees, the flat and sticking property of the adhesive sticker sound absorption pad is met, and the polyurethane pressure-sensitive adhesive has good viscosity and flame-retardant environmental protection.
4. This passenger train wind channel ceiling and fire-retardant environment-friendly multilayer composite heat insulation material thereof adopts multilayer composite construction, under the condition that satisfies thermal-insulated demand, has guaranteed the planarization of passenger train wind channel ceiling, adopts full environmental protection flame retardant material (containing glue), can satisfy the fire behaviour demand of whole car.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic material diagram of the air duct ceiling of the present invention.
In the figure: 1. a passenger car compartment; 2. an air duct ceiling; 21. polyurethane pressure sensitive adhesive; 22. plastic board; 23. a self-adhesive sound absorption pad; 3. an air duct; 4. a first connecting ball; 5. a first pull rod; 6. a support sleeve; 7. a second tension spring; 8. a second connecting ball; 9. a first tension spring; 10. a second pull rod; 11. sealing the baffle; 12. A support spring; 13. a locking block; 14. a support bar; 15. hooking; 16. an auxiliary distribution fan; 17. hanging and buckling; 18. and fixing the top plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-2, a passenger car air duct ceiling comprises a passenger car body 1, an air duct 3 is arranged on the passenger car body 1, an air duct ceiling 2 is arranged on one side of the air duct 3, the air duct ceiling 2 is made of flame-retardant environment-friendly multilayer composite heat-insulating material, a first connecting ball 4 is rotatably connected to one side of the passenger car body 1, a first pull rod 5 is fixed to one side of the first connecting ball 4, a hanging buckle 17 is arranged at the other end of the first pull rod 5, a second pull rod 10 is rotatably connected to both ends of the first pull rod 5, the other end of the second pull rod 10 is connected to the passenger car body 1 through a first tension spring 9, the hanging buckle 17 is connected to the air duct ceiling 2 through a hook 15, and when the passenger car is installed, the hanging buckle on the air duct ceiling is connected to the hanging buckle on the first pull rod through the hook on the air duct ceiling to play a, play further fixed action, it is firm to further pulling wind channel ceiling through first pull rod and second pull rod, and play certain elastic buffer's effect, reduce rigid collision, reduce the damage.
In this embodiment, the one end that the second pull rod 10 is close to passenger train carriage 1 is fixed with the second and connects ball 8, the second is connected ball 8 and is connected with first tension spring 9, the second is connected ball 8 and is connected with passenger train carriage 1 rotation, and the elasticity pulling to can carry out certain swing, satisfy different shock attenuation effects.
In this embodiment, the first pull rod 5 is divided into two segments, and the two segments are connected through a second tension spring 7, and a support sleeve 6 is sleeved on an outer ring of each of the two segments of the first pull rod 5 for elastic support.
In this embodiment, two support rods 14 are fixed at the bottom of the hook 15, and the two support rods 14 are connected with the air duct ceiling 2, so that the air duct ceiling is firmer.
In this embodiment, an auxiliary distribution fan 16 is installed between the two support rods 14.
In this embodiment, the inner sides of the two ends of the air duct ceiling 2 are both provided with a sealing baffle 11, the sealing baffle 11 is fixedly connected with the passenger car compartment 1, and a sealing ring is arranged between the sealing baffle 11 and the air duct ceiling 2, so that the sealing performance is improved.
In this embodiment, the bottom grafting that passenger train carriage 1 is close to wind channel ceiling 2 is provided with locking block 13, supporting spring 12 is installed to locking block 13's inboard, passenger train carriage 1 is close to wind channel ceiling 2's top and is connected with fixed roof 18 through the screw rotation, and is fixed through fixed roof with the upper end of wind channel baffle to through bottom and locking block lock joint, conveniently install.
In this embodiment, the material of air duct ceiling 2 in passenger train air duct ceiling includes plastic plate 22 and non-setting adhesive sound absorbing pad 23, plastic plate 22 and non-setting adhesive sound absorbing pad 23 are compound to form, one side of plastic plate 22 is provided with polyurethane pressure-sensitive adhesive 21.
In this embodiment, the thickness of the adhesive sound absorption pad 23 is 3-5mm, and the thickness of the plastic plate 22 is 1.5-2 mm.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. The utility model provides a passenger train wind channel ceiling, includes the passenger train carriage, be provided with the wind channel on the passenger train carriage, its characterized in that: one side in wind channel is provided with the wind channel ceiling, the wind channel ceiling is fire-retardant environment-friendly multilayer composite heat insulation material, one side that the passenger train carriage is located the wind channel rotates and is connected with first connecting ball, one side of first connecting ball is fixed with first pull rod, the other end of first pull rod is provided with hangs and detains, the both ends of first pull rod rotate and are connected with the second pull rod, the other end of second pull rod is connected with the passenger train carriage through first tension spring, it is connected with the wind channel ceiling through the couple to hang the knot.
2. The passenger car air duct ceiling of claim 1, characterized in that: and a second connecting ball is fixed at one end of the second pull rod, which is close to the passenger car carriage, and is connected with the first tension spring, and the second connecting ball is rotatably connected with the passenger car carriage.
3. The passenger car air duct ceiling of claim 1, characterized in that: the first pull rod is divided into two sections which are connected through a second tension spring, and the outer rings of the two sections of the first pull rod are sleeved with supporting sleeves.
4. The passenger car air duct ceiling of claim 1, characterized in that: two support rods are fixed at the bottom of the hook and connected with the air duct ceiling.
5. The passenger car air duct ceiling of claim 4, characterized in that: an auxiliary distribution fan is arranged between the two support rods.
6. The passenger car air duct ceiling of claim 1, characterized in that: the sealing device is characterized in that sealing baffles are arranged on the inner sides of two ends of the air duct ceiling and fixedly connected with the passenger car, and sealing rings are arranged between the sealing baffles and the air duct ceiling.
7. The passenger car air duct ceiling of claim 6, characterized in that: the bottom of the coach compartment close to the air duct ceiling is provided with a locking block in an inserted connection mode, a supporting spring is installed on the inner side of the locking block, and the top of the coach compartment close to the air duct ceiling is rotatably connected with a fixed top plate through screws.
8. The material of the air duct ceiling in the air duct ceiling of the passenger car according to any one of claims 1 to 7, comprising a plastic plate and a self-adhesive sound absorption pad, wherein the plastic plate and the self-adhesive sound absorption pad are compounded, and one side of the plastic plate is provided with polyurethane pressure-sensitive adhesive.
9. The passenger car air duct ceiling of claim 8, wherein: the thickness of the adhesive sticker sound absorption pad is 3-5mm, and the thickness of the plastic plate is 1.5-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068881.2A CN112172467A (en) | 2020-09-30 | 2020-09-30 | Passenger car air duct ceiling and flame-retardant environment-friendly multilayer composite heat-insulating material thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068881.2A CN112172467A (en) | 2020-09-30 | 2020-09-30 | Passenger car air duct ceiling and flame-retardant environment-friendly multilayer composite heat-insulating material thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112172467A true CN112172467A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011068881.2A Pending CN112172467A (en) | 2020-09-30 | 2020-09-30 | Passenger car air duct ceiling and flame-retardant environment-friendly multilayer composite heat-insulating material thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201694008U (en) * | 2010-01-04 | 2011-01-05 | 伊卡露斯(苏州)车辆系统有限公司 | Equiangular mechanism for passenger train articulating shed |
| CN102180079A (en) * | 2011-04-22 | 2011-09-14 | 广州粤齐复合材料有限公司 | Novel passenger car air conditioning air channel |
| CN205706070U (en) * | 2016-04-20 | 2016-11-23 | 广州通达汽车电气股份有限公司 | The passenger vehicle aluminium sheet air channel of advertising lighting integration |
| CN206870797U (en) * | 2017-05-12 | 2018-01-12 | 广州通巴达电气科技有限公司 | Illumination and the inlet vent of bus of intelligent information apparatus integration |
| CN108557668A (en) * | 2018-01-29 | 2018-09-21 | 王艺凝 | A kind of outdoor generator hoist based on electric power orientation conveying |
-
2020
- 2020-09-30 CN CN202011068881.2A patent/CN112172467A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201694008U (en) * | 2010-01-04 | 2011-01-05 | 伊卡露斯(苏州)车辆系统有限公司 | Equiangular mechanism for passenger train articulating shed |
| CN102180079A (en) * | 2011-04-22 | 2011-09-14 | 广州粤齐复合材料有限公司 | Novel passenger car air conditioning air channel |
| CN205706070U (en) * | 2016-04-20 | 2016-11-23 | 广州通达汽车电气股份有限公司 | The passenger vehicle aluminium sheet air channel of advertising lighting integration |
| CN206870797U (en) * | 2017-05-12 | 2018-01-12 | 广州通巴达电气科技有限公司 | Illumination and the inlet vent of bus of intelligent information apparatus integration |
| CN108557668A (en) * | 2018-01-29 | 2018-09-21 | 王艺凝 | A kind of outdoor generator hoist based on electric power orientation conveying |
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Application publication date: 20210105 |