CN217211259U - Air chamber of automobile air outlet air quantity leakage test bench - Google Patents
Air chamber of automobile air outlet air quantity leakage test bench Download PDFInfo
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- CN217211259U CN217211259U CN202123197585.5U CN202123197585U CN217211259U CN 217211259 U CN217211259 U CN 217211259U CN 202123197585 U CN202123197585 U CN 202123197585U CN 217211259 U CN217211259 U CN 217211259U
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- air outlet
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Abstract
The utility model belongs to the technical field of car wind channel leak test and specifically relates to a plenum of car air outlet amount of wind leak test bench and specifically relates to a plenum, it includes plenum body subassembly, plenum body subassembly includes plenum one and plenum two, be provided with the hose between plenum one and the plenum two, be provided with the air intake on the plenum one, be provided with the air outlet that is used for connecting the work piece that awaits measuring on the plenum two. This application has the effect that the work piece that is convenient for await measuring is connected with the air outlet.
Description
Technical Field
The invention relates to the field of automobile air duct leakage tests, in particular to an air chamber of an automobile air outlet air quantity leakage test bench.
Background
The automobile air duct is an important component of an automobile, and in the production process of the automobile, a ventilation pipeline used by the automobile needs to be subjected to air leakage test. The air chamber is used for ventilating the air chamber and the air duct of the automobile, a plurality of static pressure collecting points are arranged on the air chamber and connect the air duct with the air outlet, and the leakage condition of the air duct is measured by a static pressure test method.
In the above-mentioned correlation technique, the plenum is generally placed on the workstation, because the car wind channel has multiple shape, when the car wind channel is great, the distance of workstation upper surface apart from the air outlet is less, and it is comparatively troublesome again that the tester adjusts the plenum height, leads to the wind channel to be comparatively troublesome when being connected with the air outlet.
SUMMERY OF THE UTILITY MODEL
When the car wind channel is great, be connected with the air outlet for the wind channel is convenient for, this application provides an automobile air outlet amount of wind leak test bench's plenum.
The application provides an air chamber of automobile air outlet amount of wind leakage test bench adopts following technical scheme:
the air chamber of the automobile air outlet air quantity leakage test bench comprises an air chamber body assembly, wherein the air chamber body assembly comprises a first air chamber and a second air chamber, a hose is arranged between the first air chamber and the second air chamber, an air inlet is formed in the first air chamber, and an air outlet used for being connected with a workpiece to be tested is formed in the second air chamber.
By adopting the technical scheme, the air chamber body assembly is divided into the air chamber I and the air chamber II, the air inlet of the air chamber I can be used for being connected with a fan, the air outlet of the air chamber II is used for being connected with a workpiece to be tested, and when the workpiece to be tested is large in size or special in shape and is not easy to communicate with the air outlet, a tester can move the position of the air chamber II, so that the workpiece to be tested is more convenient to mount.
Optionally, the first air chamber and the second air chamber are both provided with connecting pipes for connecting hoses, the hoses are provided with fixing pieces, and the hoses are detachably mounted on the connecting pipes through the fixing pieces.
By adopting the technical scheme, the hose is detachably arranged between the first air chamber and the second air chamber through the fixing piece, and when the hose body is damaged and the test result is not affected, a tester can replace the hose.
Optionally, a sealing ring is arranged between the connecting pipe and the hose.
Through adopting above-mentioned technical scheme, because the hose cover is established when the connecting pipe, there is certain clearance between hose and the connecting pipe, under the effect of mounting, some parts of hose inside wall closely laminate with the connecting pipe, some parts in addition receive the extrusion and form the fold, and gas leaks from the fold department of hose easily, through setting up the sealing washer, can carry out the shutoff to the space of fold department to play sealed effect between hose and connecting pipe.
Optionally, a plurality of sealing rings are arranged along the length direction of the connecting pipe.
Through adopting above-mentioned technical scheme, because the fold probably has many places, through setting up a plurality of sealing washers, can further increase the leakproofness of hose and connecting pipe junction.
Optionally, the cross section of the connecting pipe near one end of the hose is gradually reduced in a direction near the hose.
Through adopting above-mentioned technical scheme, the lateral surface that the connecting pipe is close to hose one end tip is less, and is more convenient when establishing the hose cover and installing on the connecting pipe.
Optionally, the connecting pipe is provided with a stop ring for limiting the end face of the hose.
Through adopting above-mentioned technical scheme, when establishing the hose cover on the connecting pipe, the fender ring can carry on spacingly to the terminal surface of hose to prevent that the hose from to connecting pipe migration distance too big.
Optionally, a sealing ring for sealing the end of the hose is arranged on one side of the baffle ring close to the hose.
Through adopting above-mentioned technical scheme, carry out the shutoff through setting up the sealing ring in order to the space between hose end and the connecting pipe to reduce the possibility that gas is leaked between by hose and connecting pipe.
Optionally, the sealing ring is slidably sleeved on the connecting pipe, and an elastic member for enabling the sealing ring to slide towards the direction close to the hose is arranged between the sealing ring and the baffle ring.
Through adopting above-mentioned technical scheme, under the elastic component effect, the sealing ring closely butts with hose tip to further improve the leakproofness of sealing ring.
Drawings
Fig. 1 is a schematic overall structure diagram of an air chamber of an automobile air outlet air quantity leakage test bench according to an embodiment of the application.
Fig. 2 is an enlarged schematic view at a in fig. 1.
FIG. 3 is a partial cross-sectional view of the connection of the hose to the connection tube on the second plenum in the embodiment of the present application (where the cross-sectional view is taken through the axis of the connection tube).
Description of the reference numerals: 1. a plenum body assembly; 11. a first air chamber; 111. an air inlet; 12. a second air chamber; 121. an air outlet; 2. a hose; 3. a connecting pipe; 31. mounting a ring groove; 4. a fixing member; 5. a seal ring; 6. a baffle ring; 7. a seal ring; 8. an elastic member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses air chamber of an automobile air outlet air quantity leakage test bench. Referring to fig. 1, an air chamber of an automobile air outlet air quantity leakage test bench comprises an air chamber body assembly 1, the air chamber body assembly 1 comprises an air chamber I11 and an air chamber II 12, the outer contours of the air chamber I11 and the air chamber II 12 are both rectangular, the outer contour size of the air chamber II 12 is smaller than that of the air chamber I11, and a hose 2 is arranged between the air chamber I11 and the air chamber II 12; an air inlet 111 is formed in one side, away from the hose 2, of the first air chamber 11, the air inlet 111 is connected with a fan through a pipeline, an air outlet 121 is formed in one side, away from the hose 2, of the second air chamber 12, and the air outlet 121 is used for connecting a workpiece to be tested; when the workpiece to be tested is connected with the air outlet 121 in a troublesome way, the tester can move the second air chamber 12 to be connected with the workpiece to be tested.
Referring to fig. 1 and 2, the hose 2 in this embodiment is made of a PVC steel wire hose, and in order to facilitate installation of the hose 2, circular connection pipes 3 are uniformly provided on the side walls of the first air chamber 11 and the second air chamber 12 which are close to each other, and both ends of the hose 2 are respectively sleeved on the two connection pipes 3; the outer side line of the end face of the connecting pipe 3 positioned in the hose 2 is provided with a chamfer so that the cross section of the connecting pipe 3 is gradually reduced along the direction close to the inside of the hose 2, and the hose 2 is more conveniently sleeved on the connecting pipe 3; the hose 2 both ends all are provided with mounting 4, and the clamp is chooseed for use to mounting 4 in this embodiment, and the clamp cover is established in hose 2 and the 3 coincidence portion's of connecting pipe outside, can fix hose 2 on connecting pipe 3 through the clamp. The connection structure of the hose 2 to the connection pipe 3 of the second air chamber 12 will be described in detail below, and the connection pipe 3 of the first air chamber 11 is connected to the other end of the hose 2 in the same manner.
Referring to fig. 2 and 3, in order to seal the joint between the hose 2 and the connecting pipe 3, four sealing rings 5 are disposed between the outer side wall of the connecting pipe 3 and the inner side wall of the hose 2, in this embodiment, the sealing rings 5 are O-shaped rubber sealing rings, and the four sealing rings 5 are uniformly arranged at intervals along the axial direction of the connecting pipe 3; the outer side wall of the connecting pipe 3 is provided with four mounting ring grooves 31 at positions close to the hose 2, the mounting ring grooves 31 are arranged in one-to-one correspondence with the sealing rings 5, the cross sections of the mounting ring grooves 31 are semicircular and matched with the cross sections of the sealing rings 5, the sealing rings 5 are embedded and mounted in the mounting ring grooves 31, and the sealing rings 5 protrude out of the outer side wall of the connecting pipe 3; when the hose 2 is sleeved on the connecting pipe 3, the four sealing rings 5 are positioned between the hose 2 and the connecting pipe 3, so that a better sealing effect is achieved.
Referring to fig. 1 and 3, in order to limit the position of the hose 2 on the connecting pipe 3, a baffle ring 6 is sleeved on the connecting pipe 3, the baffle ring 6 is positioned on one side of the hose 2 close to the second air chamber 12, and the baffle ring 6 is integrally arranged with the connecting pipe 3; a sealing ring 7 is arranged between the baffle ring 6 and the hose 2, the sealing ring 7 is made of rubber, and the sealing ring 7 is sleeved on the connecting pipe 3 in a sliding manner; the section of the sealing ring 7 is in a right triangle shape, two right-angle sides of the right triangle are respectively parallel to the axis of the connecting pipe 3 and the side surface of the baffle ring 6 close to the hose 2, and the bevel edge of the right triangle is arranged close to the hose 2; the side of the sealing ring 7 adjacent to the hose 2 can be inserted between the hose 2 and the connecting pipe 3 to seal the end of the inner side wall of the hose 2.
Referring to fig. 3, an elastic member 8 is arranged between the sealing ring 7 and the baffle ring 6, in this embodiment, the elastic member 8 is a spring, the spring is sleeved on the connecting pipe 3, grooves are respectively formed on the end surfaces of the sealing ring 7 and the baffle ring 6 which are close to each other, and two ends of the spring are respectively embedded and fixedly installed in the grooves; the sealing ring 7 is arranged on the retaining ring 6 through the elastic part 8, and when the hose 2 is arranged, the hose 2 pushes the sealing ring 7 to the direction close to the retaining ring 6 so that the elastic part 8 is in a compressed state; treat that hose 2 installation accomplishes the back, sealing ring 7 is all the time to the trend of hose 2 extrusion under the effect of elastic component 8, because the inseparable butt of annular inclined plane of sealing ring 7 and the tip of 2 medial surfaces of hose, the annular inclined plane of sealing ring 7 is extruded and takes place to warp and form the recess that can hold 2 medial surfaces of hose tip, and the tip of 2 medial surfaces of hose inlays to be established on 7 annular inclined planes of sealing ring promptly, and sealed effect is better.
The implementation principle of the air chamber of the automobile air outlet air quantity leakage test bench in the embodiment of the application is as follows: by arranging the first air chamber 11 and the second air chamber 12, and connecting the first air chamber 11 and the second air chamber 12 through the hose 2, a tester can move the position of the second air chamber 12, so that the workpiece to be tested corresponds to the position of the air outlet 121, and the workpiece to be tested is more convenient to mount. In addition, a plurality of sealing rings 5 are arranged between the hose 2 and the connecting pipe 3, so that a better sealing effect can be achieved between the hose 2 and the connecting pipe 3; be provided with sealing ring 7 at the tip of hose 2, and under the effect of elastic component 8, the inseparable butt of annular inclined plane of sealing ring 7 and the tip of hose 2 to carry out better sealed to the tip of hose 2, under the double-seal effect of sealing washer 5 and sealing ring 7, the reduction gas that can to a great extent is by the possibility that hose 2 both ends leaked, and the test accuracy is higher.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The air chamber of the air quantity leakage test bench of the air outlet of the automobile comprises an air chamber body component (1), and is characterized in that: the air chamber body assembly (1) comprises a first air chamber (11) and a second air chamber (12), a hose (2) is arranged between the first air chamber (11) and the second air chamber (12), an air inlet (111) is formed in the first air chamber (11), and an air outlet (121) used for connecting a workpiece to be tested is formed in the second air chamber (12).
2. The air chamber of the automobile air outlet air quantity leakage test bench according to claim 1, characterized in that: the air chamber I (11) and the air chamber II (12) are both provided with connecting pipes (3) used for connecting the hoses (2), the hoses (2) are provided with fixing pieces (4), and the hoses (2) are detachably mounted on the connecting pipes (3) through the fixing pieces (4).
3. The air chamber of the automobile air outlet air quantity leakage test bench according to claim 2, characterized in that: and a sealing ring (5) is arranged between the connecting pipe (3) and the hose (2).
4. The air chamber of the automobile air outlet air quantity leakage test bench according to claim 3, characterized in that: the sealing rings (5) are arranged in a plurality along the length direction of the connecting pipe (3).
5. The air chamber of the automobile air outlet air volume leakage test bench according to any one of claims 2-4, characterized in that: the cross section of one end of the connecting pipe (3) close to the hose (2) is gradually reduced along the direction close to the hose (2).
6. The air chamber of the automobile air outlet air quantity leakage test bench according to claim 2, characterized in that: the connecting pipe (3) is provided with a baffle ring (6) used for limiting the end face of the hose (2).
7. The air chamber of the automobile air outlet air quantity leakage test bench according to claim 6, characterized in that: one side of the baffle ring (6) close to the hose (2) is provided with a sealing ring (7) used for sealing the end part of the hose (2).
8. The air chamber of the automobile air outlet air quantity leakage test bench according to claim 7, characterized in that: sealing ring (7) slip cover is established on connecting pipe (3), be provided with between sealing ring (7) and fender ring (6) and be used for making sealing ring (7) to gliding elastic component (8) of direction that is close to hose (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197585.5U CN217211259U (en) | 2021-12-20 | 2021-12-20 | Air chamber of automobile air outlet air quantity leakage test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197585.5U CN217211259U (en) | 2021-12-20 | 2021-12-20 | Air chamber of automobile air outlet air quantity leakage test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211259U true CN217211259U (en) | 2022-08-16 |
Family
ID=82785183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123197585.5U Active CN217211259U (en) | 2021-12-20 | 2021-12-20 | Air chamber of automobile air outlet air quantity leakage test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211259U (en) |
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2021
- 2021-12-20 CN CN202123197585.5U patent/CN217211259U/en active Active
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