CN113976191B - Environmental chamber and gas vent equipment thereof - Google Patents
Environmental chamber and gas vent equipment thereof Download PDFInfo
- Publication number
- CN113976191B CN113976191B CN202111607264.XA CN202111607264A CN113976191B CN 113976191 B CN113976191 B CN 113976191B CN 202111607264 A CN202111607264 A CN 202111607264A CN 113976191 B CN113976191 B CN 113976191B
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- Prior art keywords
- exhaust pipe
- flange portion
- flange
- bulkhead
- exhaust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
Abstract
The invention discloses an environmental chamber and an air outlet device thereof. In the present invention, the vent apparatus for the environmental chamber comprises: the exhaust pipe and the pair of clamping pieces are detachably connected with two ends of the exhaust pipe respectively; each clamp has a connecting portion connected to the exhaust pipe, and a first flange portion extending radially from a first axial end of the connecting portion. Compared with the prior art, the air can not enter the heat-insulating layer of the bulkhead, the exhaust pipe is convenient to install, the bulkhead can not be damaged, and the strength requirement on the bulkhead is reduced.
Description
Technical Field
The invention relates to the field of tail gas emission testing equipment and pipeline fixing structures, in particular to an environment cabin and an exhaust port device thereof.
Background
Environmental tests (temperature, altitude) of conventional vehicles or internal combustion engines are usually carried out in an environmental chamber. The gas generated in the test in the environment chamber needs to be led out from the environment chamber, an exhaust port is arranged on the existing environment chamber, and the gas is directly exhausted from the exhaust port. Because the environment cabin is used for the environmental simulation, needs the resistance to compression heat preservation, and the bulkhead material in environment cabin is special, has heat preservation such as heat preservation cotton in the general bulkhead, and the gas vent of directly seting up can form the gap on the bulkhead, and gas has the part to ooze during people to the heat preservation when discharging through the gas vent, enters into the bulkhead, causes the influence to the environment cabin.
In other existing structures, an exhaust pipe is inserted into an exhaust port to exhaust tail gas from the exhaust pipe, but the exhaust pipe and a bulkhead are fixed by bolts and the like, so that the bulkhead is damaged, the heat retaining property of the bulkhead is damaged to a certain extent, and the installation of the exhaust pipe is troublesome. In addition, in order to enable the bulkhead to stably support the bolts, certain requirements are also imposed on the strength of the bulkhead, so that the exhaust pipe cannot be fixed in part of the environmental chamber.
Disclosure of Invention
The invention aims to provide an environmental chamber and an exhaust port device thereof, which can prevent gas from entering a heat insulation layer of a chamber wall, facilitate the installation of an exhaust pipe, prevent the chamber wall from being damaged and reduce the strength requirement of the chamber wall.
To solve the above technical problem, an embodiment of the present invention provides an exhaust port apparatus including:
an exhaust pipe, and,
the pair of clamping pieces are detachably connected with two ends of the exhaust pipe respectively; each of the clamping members has a connecting portion connected to the exhaust pipe, and a first flange portion radially extending from a first axial end of the connecting portion.
In one embodiment, a side of the first flange portion facing the other first flange portion is a flat surface.
In an embodiment, the vent apparatus further comprises a seal member abutting a side of the first flange portion facing the first axial end.
In one embodiment, the exhaust pipe has external threads thereon, and the clamping member is threadedly coupled to the exhaust pipe.
In one embodiment, the external thread extends from one end of the exhaust pipe to the other end of the exhaust pipe.
In one embodiment, each of the clamping members further has a second flange portion extending radially from the second axial end of the connecting portion.
In one embodiment, the vent apparatus further comprises:
at least one butt joint pipe, one end of the butt joint pipe is provided with a third flange part extending in the radial direction, and the third flange part is abutted against the second flange part; and the number of the first and second groups,
and a fixing member fixing the second flange portion and the third flange portion.
In one embodiment, the fixing member is a clip that clamps the second flange portion and the third flange portion.
In one embodiment, the vent apparatus further comprises: and the plug blocks any end of the exhaust pipe.
In one embodiment, the plug has a plug body and a positioning flange portion extending radially from the plug body and operatively sandwiched between the second flange portion and the third flange portion.
Embodiments of the present invention also provide an environmental chamber, comprising:
the cabin comprises a cabin body, a first air inlet and a second air inlet, wherein the cabin body is provided with an inner cavity, and an air outlet is formed in the cabin wall of the cabin body; and the number of the first and second groups,
the exhaust port apparatus as claimed in any one of the above claims, wherein the exhaust pipe operatively extends through the exhaust port, and the first flange portions of the pair of the clamp members are respectively abutted against inner and outer sides of the bulkhead.
Compared with the prior art, the exhaust pipe fixing device is provided with the pair of clamping pieces, the clamping pieces are connected with the two ends of the exhaust pipe, after the exhaust pipe penetrates through the bulkhead of the environmental chamber, the first flange parts of the pair of clamping pieces can be matched with and clamp the bulkhead, so that the exhaust pipe is fixed on the environmental chamber, the bulkhead is not damaged, the requirement on the rigidity of the bulkhead is avoided, and the exhaust pipe fixing device is suitable for cabin bodies of more types of environmental chambers. In addition, after the first flange parts of the pair of clamping pieces clamp the bulkhead, the gas in the environmental chamber is limited in the exhaust pipe and is exhausted outwards, and the gas cannot penetrate into the heat insulation layer of the bulkhead to damage the bulkhead.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic view of the structure of an air outlet apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of a vent apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of an arrangement in which the exhaust port apparatus is mounted on the bulkhead without a block head according to an embodiment of the invention;
FIG. 4 is a schematic view of a bulkhead mounted with a bulkhead for the exhaust port arrangement according to one embodiment of the invention;
FIG. 5 is a schematic view of an alternative arrangement of an exhaust port arrangement mounted in a bulkhead without a plug according to an embodiment of the invention;
100, an air outlet device; 1. an exhaust pipe; 10. an external thread; 2. a clamping member; 21. a connecting portion; 22. a first flange portion; 23. a second flange portion; 3. a bulkhead; 4. butt-joint pipes; 40. a third flange portion; 5. a fixing member; 6. a plug; 61. a plug body; 62. positioning the flange portion; 7. and a seal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.
In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.
A first embodiment of the present invention is described below with reference to the drawings. As shown in fig. 1 and 2, the air outlet device 100 includes: an exhaust pipe 1 and a pair of clamping members 2, the clamping members 2 being detachably connected to both ends of the exhaust pipe 1, respectively, each clamping member 2 having a connecting portion 21 connected to the exhaust pipe 1, and a first flange portion 22 radially extending from a first axial end of the connecting portion 21. In use, as shown in fig. 3, the exhaust pipe 1 is inserted through the bulkhead 3 of the cabin body of the environmental chamber, the pair of clamps 2 are connected and fixed to both ends of the exhaust pipe 1, and the first flange portions 22 of the pair of clamps 2 are both abutted against the bulkhead 3, so that the two first flange portions 22 clamp the bulkhead 3 and are fixed to the bulkhead 3. One end of the exhaust pipe 1 in the cabin body can be used for butt joint with test equipment in the cabin body, such as an internal combustion engine, of course, one end of the exhaust pipe 1 in the cabin body can be separated from the test equipment without being connected to the test equipment, so that gas in the cabin body is exhausted.
As described above, it can be seen that, since the pair of clamping members 2 are provided, the clamping members 2 are connected to both ends of the exhaust pipe 1, and after the exhaust pipe 1 penetrates the bulkhead 3, the first flange portions 22 of the pair of clamping members 2 can be engaged with and clamp the bulkhead 3, so that the exhaust pipe 1 can be fixed to the bulkhead 3 without damaging the bulkhead 3, and there is no requirement for the rigidity of the bulkhead 3, and thus, the exhaust pipe can be applied to many types of cabin bodies. After the first flange portions 22 of the pair of clamps 2 clamp the bulkhead 3, the gas in the environmental chamber is limited in the exhaust pipe 1 and is exhausted to the outside, and the gas does not penetrate into the heat insulation layer of the bulkhead 3 and damage the bulkhead 3.
Implementation details of the present embodiment are specifically described below, and the following description is provided only for the sake of understanding and is not necessary for implementing the present embodiment.
Further, the first flange portion 22 is flat on the side facing the other first flange portion 22, that is, on the side abutting against the bulkhead 3. Therefore, when the first flange part 22 abuts against the bulkhead 3, more contact area is provided, the bulkhead 3 is clamped more tightly, and the gas in the environmental chamber can be exhausted from the exhaust pipe 1.
Further, as shown in fig. 5, the exhaust port device further includes a seal member 7 that abuts against a side of the first flange portion 22 toward the first axial end. The sealing member 7 may be a flexible rubber ring or a flexible sponge member, which in use is fitted over the exhaust pipe 1 and clamped between the first flange portion 22 and the bulkhead 3, thereby achieving a seal between the first flange portion 22 and the bulkhead 3 and preventing gas from entering between the bulkhead 3 and the exhaust pipe 1 from between the first flange portion 22 and the bulkhead 3 and permeating into the bulkhead 3. In other embodiments, the seal 7 may also be provided on the first flange portion 22.
In addition, as shown in fig. 1 and 2, the exhaust pipe 1 has external threads 10 thereon, and the holder 2 is screwed with the exhaust pipe 1. It can be understood that, in other embodiments, the clamping member 2 and the exhaust pipe 1 may be fixed by a snap, or the clamping member 2 and the exhaust pipe 1 are locked by a locking member such as a bolt.
Further, as shown in fig. 1 and 2, an external thread 10 extends from one end of the exhaust pipe 1 to the other end of the exhaust pipe 1. Due to the extension of the external threads 10, after the exhaust pipe 1 is installed on the bulkheads 3 with different thicknesses, the clamping piece 2 and the exhaust pipe 1 can be screwed, the pair of first flange parts 22 clamps the bulkheads 3, and the exhaust port device 100 can be used on different cabin bodies, so that the exhaust port device 100 does not need to be used for producing matched exhaust port devices 100 for the corresponding cabin bodies, and the exhaust port device 100 is more universal and convenient to install and use. Meanwhile, the length of the part of the exhaust pipe 1 extending out of the environmental chamber can be adjusted, so that the exhaust port device 100 can be applied to different situations.
In addition, as shown in fig. 1 and 2, each clamp 2 further has a second flange portion 23 extending radially from the second axial end of the connecting portion 21.
Further, as shown in fig. 3 and 5, the air outlet apparatus further includes: at least one butt pipe 4 and a fixing piece 5, one end of the butt pipe 4 is provided with a third flange part 40 extending in the radial direction, and the third flange part 40 is abutted with the second flange part 23. The fixing member 5 fixes the second flange portion 23 and the third flange portion 40. One butt joint pipe 4 can be arranged and is in butt joint with one end of the exhaust pipe 1; the butt joint pipes 4 may be provided in a pair, and are butt-jointed to both ends of the exhaust pipe 1.
Alternatively, as shown in fig. 3 and 5, the fixing member 5 is a clip that clamps the second flange portion 23 and the third flange portion 40. It will be appreciated that the fixing member 5 may be a bolt or other member. The end of the butt joint pipe 4, which is butted with the external equipment, can be in different structures and can be matched with the external equipment needing to be butted.
In addition, as shown in fig. 4, in order to seal the exhaust pipe 1 when the exhaust is not necessary, the exhaust port device further includes: and a plug 6 for plugging any one end of the exhaust pipe 1.
Specifically, as shown in fig. 4, the plug 6 has a plug body 61 and a positioning flange portion 62 extending radially from the plug body 61, and the positioning flange portion 62 is operatively sandwiched between the second flange portion 23 and the third flange portion 40, thereby clamping the plug 6 such that the plug 6 is not easily detached from the exhaust pipe 1. When the plug 6 is used, the plug 6 is inserted into one end of the exhaust pipe 1, the positioning flange 62 faces the second flange 23, the butt pipe 4 is butted against the exhaust pipe 1, the third flange 40 is butted against the positioning flange 62, and the second flange 23 and the third flange 40 are fixed by the fixing tool 5 so that the positioning flange 62 is clamped by the second flange 23 and the third flange 40. When the plug 6 needs to be removed, the abutment pipe 4 is removed, the positioning flange 62 is released, and the plug 6 is removed.
A second embodiment of the invention relates to an environmental chamber. The environmental chamber includes: the exhaust port apparatus of the first embodiment is a cabin body having an inner cavity and an exhaust port opened in a bulkhead 3 of the cabin body, the exhaust pipe 1 operatively penetrates the exhaust port, and the first flange portions 22 of the pair of holding members respectively abut on inner and outer sides of the bulkhead.
It should be understood that the present embodiment is a system embodiment corresponding to the first embodiment, and the present embodiment can be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.
These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (9)
1. An environmental chamber vent apparatus, comprising:
an exhaust pipe, and,
the pair of clamping pieces are detachably connected with two ends of the exhaust pipe respectively; each of the clamping members has a connecting portion connected to the exhaust pipe, and a first flange portion radially extending from a first axial end of the connecting portion;
one side of the first flange part facing the other first flange part is a plane;
the vent apparatus also includes a seal member that abuts a side of the first flange portion facing the first axial end.
2. The exhaust port apparatus of claim 1, wherein the exhaust tube has external threads thereon, and the clamp is threadably coupled to the exhaust tube.
3. The exhaust port apparatus of claim 2, wherein the external threads extend from one end of the exhaust pipe to the other end of the exhaust pipe.
4. The vent apparatus of claim 1, wherein each of the clips further has a second flange portion extending radially from the second axial end of the connecting portion.
5. The vent apparatus of claim 4, further comprising:
at least one butt joint pipe, one end of the butt joint pipe is provided with a third flange part extending in the radial direction, and the third flange part is abutted against the second flange part; and the number of the first and second groups,
and a fixing member fixing the second flange portion and the third flange portion.
6. The exhaust outlet apparatus of claim 5, wherein the securing member is a clip that clips the second flange portion and the third flange portion.
7. The vent apparatus of claim 5, further comprising: and the plug blocks any end of the exhaust pipe.
8. The vent apparatus of claim 7, wherein the plug has a plug body and a positioning flange portion extending radially from the plug body, and wherein the positioning flange portion is operatively clamped between the second flange portion and the third flange portion.
9. An environmental chamber, comprising:
the cabin comprises a cabin body, a first air inlet and a second air inlet, wherein the cabin body is provided with an inner cavity, and an air outlet is formed in the cabin wall of the cabin body; and the number of the first and second groups,
the vent apparatus as recited in any of claims 1-8 wherein the vent tube operatively extends through the vent port and the first flange portions of the pair of clips abut the interior and exterior sides of the bulkhead, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607264.XA CN113976191B (en) | 2021-12-27 | 2021-12-27 | Environmental chamber and gas vent equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607264.XA CN113976191B (en) | 2021-12-27 | 2021-12-27 | Environmental chamber and gas vent equipment thereof |
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| Publication Number | Publication Date |
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| CN113976191A CN113976191A (en) | 2022-01-28 |
| CN113976191B true CN113976191B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111607264.XA Active CN113976191B (en) | 2021-12-27 | 2021-12-27 | Environmental chamber and gas vent equipment thereof |
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| CN (1) | CN113976191B (en) |
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| CN113976191A (en) | 2022-01-28 |
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