CN203725473U - High-temperature-resistant rubber suction nozzle of car tail gas pumping system - Google Patents
High-temperature-resistant rubber suction nozzle of car tail gas pumping system Download PDFInfo
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- CN203725473U CN203725473U CN201420087959.9U CN201420087959U CN203725473U CN 203725473 U CN203725473 U CN 203725473U CN 201420087959 U CN201420087959 U CN 201420087959U CN 203725473 U CN203725473 U CN 203725473U
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- suction nozzle
- rubber
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- cord fabric
- temperature resistant
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Abstract
The utility model provides a high-temperature-resistant rubber suction nozzle of a car tail gas pumping system. The rubber nozzle comprises a body. The body comprises an inner layer formed by a rubber layer and an outer layer formed by a rubber layer. The outer layer sleeves the inner layer. The end of the outer layer and the corresponding end of the inner layer are sealed to form an annular cavity. The rubber layer is a chloroprene rubber layer using tire fabric as a framework. The high-temperature-resistant rubber suction nozzle has the advantages that the body is made of chloroprene rubber which is good in temperature resistance and forming performance, so that temperature resistance of the body is increased; the rubber layer uses the tire fabric as the framework, so that the rubber layer of the body is provided with a longitudinal framework and a transverse framework, and the structural strength of the rubber suction nozzle is increased greatly; the tire fabric is disposed at two ends of the body in a closed loop manner, so that burst after inflation can be prevented effectively; the rubber suction nozzle is less prone to aging, damage and burst, and low in fault rate.
Description
Technical field
The utility model relates to a kind of high-temperature resistant rubber suction nozzle of vehicle exhaust evacuation system.
Background technology
In automobile making and maintenance process, when automobile is carried out to Function detection and parameter adjustment, can produce a large amount of tail gas, in this tail gas, contain harmful composition, make the environment in workshop severe, damage the healthy of personnel in workshop.
Chinese patent 201220354068.6 discloses a kind of tail gas exhaust device, mainly comprise rubber suction pipe and suction nozzle, rubber suction pipe and suction nozzle one end are connected with sliding machine, this sliding machine is arranged on slide rail, slide rail is made up of aluminum alloy materials, there is lifting groove the upper end of this slide rail, and the two side ends of this slide rail is the track of sliding machine.The lower end of slide rail is provided with rubber strip slot, and sliding machine comprises cast aluminium suction inlet, support and pulley, and the pulley of this sliding machine is fixed by screws on the support of this sliding machine, and cast aluminium suction inlet is fixed by screws on the support of sliding machine.Slide rail is fixed on wall or room body skeleton by the lifting groove of its upper end.
Chinese patent 201220248857.1 discloses a kind of slide rail type vehicle exhaust evacuation system, comprise external suspension bracket, section bar slide rail, end cover, sealing joint strip, sliding machine, rubber suction pipe, suction nozzle, blower fan, blast pipe, section bar slide rail is fixed on external suspension bracket, section bar slide rail seam crossing is provided with the sealing joint strip with section bar slide rail equal length, sliding machine is arranged on section bar slide rail and can moves left and right, below is connected with rubber suction pipe and suction nozzle directly gathers vehicle exhaust, section bar slide rail one end is provided with end cover, the other end is provided with blower fan and blast pipe by outside the vehicle exhaust discharge chamber collecting.
Chinese patent application 201210104671.3 discloses the motor vehicle exhaust emission gathering system in a kind of automobile assembly workshop, comprise circular orbit and slip dolly is in orbit installed, track is divided into workspace and nonclient area, in the workspace of track, be provided with wind pumping channle, wind pumping channle is connected with air exhauster by pipeline, sliding trolley is provided with an exhaust hose, and one end of exhaust hose is connected with wind pumping channle, and the other end is connected with automobile exhaust pipe by suction nozzle.
The defect of technique scheme is: 1, after the high speed detection of 120 kilometers of speed per hours, the temperature of vehicle exhaust reaches more than 220 DEG C, and the rubber suction nozzle using is at present taking natural rubber as material, and heat resistance is poor, easy aging breakage at this temperature, and fault rate is high; 2, in the rubber suction nozzle using at present, rubber layer is using longitudinal nylon rope as skeleton, and it does not have horizontal skeleton, and structural strength is poor; 3, in the rubber suction nozzle using at present, in the end of rubber suction nozzle, nylon rope aperture arrangement (shown in A in Fig. 1), the repeatedly easy spalling of inflation/deflation.
Therefore, how to provide a kind of rubber suction nozzle high temperature resistant, that structural strength is high, end is difficult for spalling to become the problem that industry need to solve.
Summary of the invention
For the shortcoming of prior art, the purpose of this utility model is to provide a kind of rubber suction nozzle of vehicle exhaust evacuation system, and it is high temperature resistant, structural strength is high and end is difficult for spalling.
To achieve these goals, the utility model provides a kind of high-temperature resistant rubber suction nozzle of vehicle exhaust evacuation system, wherein vehicle exhaust evacuation system comprises walking dolly, track, air exhauster, blast pipe, and rubber suction nozzle is arranged at the end of blast pipe, for being connected with automobile tail gas pipe; Rubber suction nozzle comprises suction nozzle body, suction nozzle body comprises the suction nozzle internal layer forming with rubber layer, the suction nozzle skin forming with rubber layer, suction nozzle skin is enclosed within outside suction nozzle internal layer, and the outer field end of the suction nozzle end-enclosed corresponding with suction nozzle internal layer, forms toroidal cavity; Rubber layer comprises cord fabric skeleton and neoprene layer; Neoprene layer parcel cord fabric skeleton, and bond with cord fabric skeleton
In the utility model, rubber suction nozzle has toroidal cavity, this toroidal cavity can be under the control of magnetic valve inflation/deflation.After rubber suction nozzle inflation distortion, suction nozzle internal layer is close to automobile tail gas pipe, and rubber suction nozzle is pull-in on automobile tail gas pipe; After the venting of rubber suction nozzle, automatically depart from from automobile tail gas pipe.
In the utility model, the outer field end of the suction nozzle end-enclosed corresponding with suction nozzle internal layer, refers to the front end sealing of the outer field front end of suction nozzle and suction nozzle internal layer, the back-end closure of the outer field rear end of suction nozzle and suction nozzle internal layer.
In the utility model, the assembly of the blast pipe of vehicle exhaust evacuation system and rubber suction nozzle is arranged on Rail sliding car, and the tail gas of collection, by slide rail cavity, is extracted into high-altitude by air exhauster.
In the utility model, suction nozzle body is taking neoprene as material, 180 DEG C of limit heatproofs; Thereby the heat resistance of suction nozzle body is good, is difficult for aging breakage, failure rate is low.In addition, neoprene has good mouldability, is convenient to the manufacture of the utility model rubber suction nozzle.
In the utility model, the rubber layer of suction nozzle body is using cord fabric as skeleton, because cord fabric has longitudinal fiber and transverse fiber simultaneously, thereby the rubber layer of suction nozzle body has longitudinal framework and horizontal skeleton simultaneously, greatly improved the structural strength of rubber suction nozzle.
According to another detailed description of the invention of the utility model, rubber suction nozzle further comprises removable protective cover, and this protective sleeve is tubular, is enclosed within the inner chamber of suction nozzle body.It should be noted that the inner chamber is here suction nozzle internal layer around space, but not previously described toroidal cavity.By this protective sleeve is set, can protect suction nozzle body, further improve the heat resistance of suction nozzle body.
According to another detailed description of the invention of the utility model, removable protective cover is thermostable fluorine rubber sleeve.280 DEG C of fluorubber limit heatproofs, make rubber suction nozzle have more superior heat resistance.
According to another detailed description of the invention of the utility model, the inwall of removable protective cover is provided with multiple longitudinal flutings for circulation of air.After rubber suction nozzle inflation distortion, suction nozzle internal layer is close to automobile tail gas pipe, and rubber suction nozzle is pull-in on automobile tail gas pipe; Under the effect of air exhauster, the high-temperature tail gas that automobile produces enters the blast pipe of vehicle exhaust evacuation system by offgas duct, and the normal temperature air of automobile external also enters the blast pipe of vehicle exhaust evacuation system by this longitudinal fluting simultaneously; Owing to there being normal temperature air to flow in longitudinal fluting, thereby can lower the temperature to removable protective cover.
According to another detailed description of the invention of the utility model, multiple longitudinal flutings annular on the inwall of removable protective cover is uniform.
According to another detailed description of the invention of the utility model, at the two ends place of suction nozzle body, cord fabric closed loop is arranged.By the two ends place at suction nozzle body, cord fabric closed loop is arranged, can effectively prevent spalling after suction nozzle body inflation/deflation.
According to another detailed description of the invention of the utility model, at the two ends place of suction nozzle body, it is two-layer that one deck cord fabric is turned up formation, and this two-layer cord fabric lays respectively in suction nozzle skin and suction nozzle internal layer.
According to another detailed description of the invention of the utility model, at the two ends place of suction nozzle body, the cord fabric in the cord fabric in suction nozzle skin and suction nozzle internal layer is wound around closure mutually.
Compared with prior art, the utility model possesses following beneficial effect:
In the utility model, suction nozzle body, taking the neoprene of temperature tolerance and good moldability as material, has promoted the heat resistance of suction nozzle body; The rubber layer of suction nozzle body is using cord fabric as skeleton, thereby the rubber layer of suction nozzle body has longitudinal framework and horizontal skeleton simultaneously, greatly improved the structural strength of rubber suction nozzle; At the two ends place of suction nozzle body, cord fabric closed loop is arranged, can effectively prevent spalling after inflation/deflation; Thermostable fluorine rubber sleeve, due to its good heat-resisting quantity, more contributes to protect suction nozzle body, slows down aging; Thereby rubber suction nozzle of the present utility model is difficult for aging breakage and expansion is torn, failure rate is low.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is in prior art, the vertical section structure schematic diagram of rubber suction nozzle;
Fig. 2 is the vertical section structure schematic diagram of the high-temperature resistant rubber suction nozzle of embodiment 1.
Detailed description of the invention
Embodiment 1
The high-temperature resistant rubber suction nozzle of the present embodiment is for vehicle exhaust evacuation system, and wherein vehicle exhaust evacuation system comprises blast pipe, and rubber suction nozzle is arranged at the end of blast pipe, for being connected with automobile tail gas pipe.
As shown in Figure 2, the rubber suction nozzle of the present embodiment comprises suction nozzle body 1 and removable protective cover 2.Wherein, suction nozzle body 1 comprises the suction nozzle internal layer 101 forming with rubber layer, the suction nozzle skin 102 forming with rubber layer, suction nozzle skin 102 is enclosed within outside suction nozzle internal layer 101, and the end of suction nozzle skin 102 end-enclosed corresponding with suction nozzle internal layer 101, forms toroidal cavity 103; Rubber layer comprises cord fabric skeleton 104 and neoprene layer; Neoprene layer parcel cord fabric skeleton 104, and bond with cord fabric skeleton 104.
Removable protective cover 2 is tubular thermostable fluorine rubber sleeve, is enclosed within the inner chamber of suction nozzle body 1.The inwall of removable protective cover 2 is provided with multiple longitudinal flutings for circulation of air, is beneficial to air amount, to a certain degree reduces exhaust temperature, slows down ageing of rubber.Multiple longitudinal flutings annular on the inwall of removable protective cover is uniform.
At the two ends place of suction nozzle body 1, the cord fabric 104 in cord fabric 104 and suction nozzle internal layer 101 in suction nozzle skin 102 is wound around closed mutually, thereby realizes at the two ends place of suction nozzle body 1, and cord fabric 104 closed loops are arranged (shown in B in Fig. 2).
Prepare as follows the suction nozzle body of the utility model rubber suction nozzle:
1, neoprene sizing material banburying pre-profiling;
2, sizing material and cord fabric are bonding;
3, the outer pre-profiling of suction nozzle internal layer pre-profiling, and suction nozzle;
4, the outer field cord fabric of suction nozzle internal layer and suction nozzle is wound around closed;
5, rubber vulcanization moulding in mould;
6, suction nozzle body precisive shaped.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: at the two ends place of suction nozzle body, it is two-layer that one deck cord fabric is turned up formation, and this two-layer cord fabric lays respectively in suction nozzle skin and suction nozzle internal layer.
Although the utility model discloses as above with preferred embodiment, the scope of not implementing in order to limit the utility model.Any those of ordinary skill in the art, not departing from invention scope of the present utility model, when doing a little improvement, every equal improvement of doing according to the utility model, should be scope of the present utility model and contains.
Claims (8)
1. a high-temperature resistant rubber suction nozzle for vehicle exhaust evacuation system, described vehicle exhaust evacuation system comprises blast pipe, described rubber suction nozzle is arranged at the end of described blast pipe, for being connected with automobile tail gas pipe; Described rubber suction nozzle comprises suction nozzle body, described suction nozzle body comprises the suction nozzle internal layer forming with rubber layer, the suction nozzle skin forming with rubber layer, described suction nozzle skin is enclosed within outside described suction nozzle internal layer, and the end-enclosed that the outer field end of described suction nozzle is corresponding with described suction nozzle internal layer, forms toroidal cavity; It is characterized in that, described rubber layer comprises cord fabric skeleton and neoprene layer; Described neoprene layer wraps up described cord fabric skeleton, and bonds with described cord fabric skeleton.
2. high-temperature resistant rubber suction nozzle as claimed in claim 1, is characterized in that, described rubber suction nozzle further comprises removable protective cover, and described protective sleeve is tubular, is enclosed within the inner chamber of described suction nozzle body.
3. high-temperature resistant rubber suction nozzle as claimed in claim 2, is characterized in that, described removable protective cover is thermostable fluorine rubber sleeve.
4. high-temperature resistant rubber suction nozzle as claimed in claim 2, is characterized in that, the inwall of described removable protective cover is provided with multiple longitudinal flutings for circulation of air.
5. high-temperature resistant rubber suction nozzle as claimed in claim 4, is characterized in that, described multiple longitudinal flutings annular on the inwall of described removable protective cover is uniform.
6. high-temperature resistant rubber suction nozzle as claimed in claim 1, is characterized in that, at the two ends place of described suction nozzle body, described cord fabric closed loop is arranged.
7. high-temperature resistant rubber suction nozzle as claimed in claim 6, is characterized in that, at the two ends place of described suction nozzle body, it is two-layer that one deck cord fabric is turned up formation, and this two-layer cord fabric lays respectively in described suction nozzle skin and described suction nozzle internal layer.
8. high-temperature resistant rubber suction nozzle as claimed in claim 6, is characterized in that, at the two ends place of described suction nozzle body, the cord fabric in the cord fabric in described suction nozzle skin and described suction nozzle internal layer is wound around closure mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087959.9U CN203725473U (en) | 2014-02-27 | 2014-02-27 | High-temperature-resistant rubber suction nozzle of car tail gas pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087959.9U CN203725473U (en) | 2014-02-27 | 2014-02-27 | High-temperature-resistant rubber suction nozzle of car tail gas pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203725473U true CN203725473U (en) | 2014-07-23 |
Family
ID=51195576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420087959.9U Expired - Fee Related CN203725473U (en) | 2014-02-27 | 2014-02-27 | High-temperature-resistant rubber suction nozzle of car tail gas pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203725473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297147A (en) * | 2023-05-15 | 2023-06-23 | 深圳大学 | Rubber aging test device and test method based on different environments |
-
2014
- 2014-02-27 CN CN201420087959.9U patent/CN203725473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297147A (en) * | 2023-05-15 | 2023-06-23 | 深圳大学 | Rubber aging test device and test method based on different environments |
| CN116297147B (en) * | 2023-05-15 | 2023-08-01 | 深圳大学 | Rubber aging test device and test method based on different environments |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |