CN212377187U

CN212377187U - Altitude valve

Info

Publication number: CN212377187U
Application number: CN202020938607.5U
Authority: CN
Inventors: 赵志强; 陈建锋; 邵佳洪; 张元成
Original assignee: Cixi Victor Automatic Control Components Co ltd
Current assignee: Cixi Victor Automatic Control Components Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-19
Anticipated expiration: 2030-05-28

Abstract

The utility model is suitable for a valve body technical field provides a altitude valve, including the valve body, the valve body is equipped with first inlet port, venthole and exhaust hole, the exhaust hole is equipped with the exhaust joint, the exhaust joint include with the second inlet port of exhaust hole intercommunication, the second inlet port is equipped with the throttling element, the throttling element is equipped with the air feed stream and follows the exhaust hole gets into the first through-hole that the exhaust connects. The utility model provides a altitude valve, simple structure, the cost is reduced under the condition that reaches noise cancelling effect.

Description

Altitude valve

Technical Field

The utility model belongs to the technical field of the valve body, especially, relate to a altitude valve.

Background

The height valve is used in a vehicle suspension system with an air spring (air bag), and can timely finish air intake or exhaust actions by dynamically sensing the height change of a vehicle so as to adjust the height of the air spring (air bag), improve the comfort of drivers and passengers and prevent the road surface from being damaged due to the impact of wheels. When the conventional height valve is used, in order to discharge the gas of the air spring (air bag) to achieve the purpose of reducing the height of the air spring (air bag), the flow rate of the discharged gas brings great noise. To solve the problem, one of the existing common methods is to directly arrange a silencer on an exhaust hole of the altitude valve, but the noise cannot be reduced to an effect below 60 decibels by only relying on the silencer, and the other method is to connect the exhaust hole of the altitude valve with an exhaust joint, and then connect an air pipe on the exhaust joint to connect the air flow out of the vehicle body to achieve the noise elimination effect, but the method increases the cost and is not beneficial to popularization and use in the market.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of altitude valve aims at solving among the prior art that the noise cancelling effect is poor or the technical problem that the amortization is with high costs.

The utility model discloses a realize like this, a altitude valve, including the valve body, the valve body is equipped with first inlet port, venthole and exhaust hole, the exhaust hole is equipped with the exhaust joint, the exhaust joint include with the second inlet port of exhaust hole intercommunication, the second inlet port is equipped with the throttling element, the throttling element is equipped with the air feed stream and follows the exhaust hole gets into the first through-hole that the exhaust connects.

Further, the diameter of the first through hole is 0.65 mm-0.75 mm.

Further, the diameter of the first through hole is 0.7 mm.

Further, the throttling element is of a cylindrical structure.

Further, the outer surface of the orifice member has a taper.

Further, the end of the throttling element is flush with the second air inlet hole.

Furthermore, a second through hole is further formed in the throttling element, the axis of the second through hole and the axis of the first through hole are arranged in the same straight line, the second through hole is located on one side, close to the exhaust hole, of the first through hole, the second through hole is communicated with the first through hole, and the diameter of the second through hole is larger than that of the first through hole.

Furthermore, an airflow guide part is arranged at one end, far away from the first through hole, of the second through hole.

The beneficial effects of the utility model reside in that, through set up the exhaust joint at first exhaust port, the exhaust joint has reduced the diameter of first exhaust port, thereby the exhaust flow has been reduced, the effect of preliminary noise reduction has been reached, further set up the throttling part at the second inlet port that the exhaust connects, the throttling part is equipped with the first through-hole that the air feed stream got into the exhaust joint from the exhaust hole, under the condition that does not influence the air current exhaust, first through-hole reduces the exhaust flow once more on the basis that the exhaust joint reduces the exhaust flow, thereby can reach and reduce the noise to within the requirement standard, the noise cancelling effect has been improved. In addition, with the adoption of the structure, an exhaust pipe is not required to be connected to the exhaust joint to exhaust gas, so that the noise reduction cost is reduced.

Drawings

Fig. 1 is a perspective view of a height valve provided by the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is an enlarged view at B in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a set up the exhaust joint at first exhaust port, the exhaust joint has reduced the diameter of first exhaust port, thereby the exhaust flow has been reduced, the effect of preliminary noise reduction has been reached, further set up the throttling element at the second inlet port that the exhaust connects, the throttling element is equipped with the first through-hole that the air feed stream got into the exhaust joint from the exhaust port, under the condition that does not influence air current exhaust, first through-hole reduces the exhaust flow once more on the basis that the exhaust joint reduced the exhaust flow, thereby can reach and reduce the noise to within the required standard, the noise cancelling effect is improved.

Example one

Referring to fig. 1-3, the utility model provides a height valve, this height valve includes valve body 1, and valve body 1 is equipped with first inlet port 11, venthole 12 and exhaust hole 13, and exhaust hole 13 is equipped with exhaust joint 2, and exhaust joint 2 includes the second inlet port 21 with exhaust hole 13 intercommunication, and second inlet port 21 is equipped with throttling element 3, and throttling element 3 is equipped with the first through-hole 31 that supplies the air current to get into exhaust joint 2 from exhaust hole 13.

Set up exhaust joint 2 at first exhaust port 13, exhaust joint 2 has reduced the diameter of first exhaust port 13, thereby the exhaust flow has been reduced, the effect of preliminary noise reduction has been reached, further set up throttling element 3 at exhaust joint 2's second inlet port 21, throttling element 3 is equipped with the first through-hole 31 that supplies the air current to get into exhaust joint 2 from exhaust port 13, under the condition that does not influence the air current exhaust, first through-hole 31 reduces the exhaust flow once more on exhaust joint 2 reduces the exhaust flow on the basis of exhaust flow, thereby can reach and reduce the noise to within the requirement standard, the noise cancelling effect has been improved, furthermore, adopt this kind of structure, need not connect the exhaust pipe in order to discharge gas on exhaust joint 2, the cost of making an uproar is reduced.

When the air spring (airbag) is used, the air pump is connected with the first air inlet hole 11, the air spring (airbag) is connected with the air outlet hole 12, and the first exhaust hole 13 is used for exhausting air in the air spring (airbag) so as to achieve the purpose of adjusting the height of equipment (such as an automobile seat) with the air spring (airbag).

In this embodiment, the throttling element 3 may be made of metal or plastic.

The utility model provides a altitude valve, simple structure, the cost is reduced under the condition that reaches the noise cancelling effect, is favorable to the using widely in market.

In the embodiment, the diameter of the first through hole 31 is 0.65 mm-0.75 mm, and the first through hole 31 in the range does not influence the functional use of the height valve and can also enable the sound attenuation effect to be optimal. Further, the diameter of the first through hole 31 may be 0.7 mm.

Example two

On the basis of the first embodiment, the throttling element 3 is further of a cylindrical structure. The cylindrical structure facilitates the processing of the orifice 3, thereby saving processing cost.

Referring to fig. 3, further, the outer surface of the throttling element 3 has a taper, that is, the outer surface of the throttling element 3 with a cylindrical structure forms an included angle with the axis of the throttling element 3, so that a gap can be formed between one end of the throttling element 3 inserted into the second air inlet hole 21 and the inner wall of the second air inlet hole 21, and thus when the throttling element 3 is installed on the second air inlet hole 21, the throttling element 3 can be guided to facilitate the installation of the throttling element 3 on the second air inlet hole 21. When the air conditioner is installed, the end of the throttling element 3 with the smaller diameter is inserted into the second air inlet hole 21 until the throttling element 3 is firmly fixed on the second air inlet hole 21.

Further, the end of the throttle 3 is disposed flush with the second intake holes 21. Therefore, the throttling element 3 can be completely arranged in the second air inlet hole 21, the contact area between the throttling element 3 and the second air inlet hole 21 is increased, the installation stability of the throttling element 3 on the second air inlet hole 21 is improved, and meanwhile, the flatness of the end structure of the exhaust joint 2 can be kept.

EXAMPLE III

Referring to fig. 3, in addition to the first or second embodiment, further, a second through hole 32 is further provided in the throttling element 3, an axis of the second through hole 32 is arranged in the same straight line with an axis of the first through hole 31, the second through hole 32 is located on a side of the first through hole 31 close to the exhaust hole 13, and the second through hole 32 is communicated with the first through hole 31 and has a diameter larger than that of the first through hole 31. By adopting the structure, the throttling element 3 can be made of plastic materials and is formed by injection molding, and compared with the throttling element made of metal materials, the throttling element can greatly save the processing and material cost. The combination of the first through hole 31 and the second through hole 32 can avoid the problem that the injection mold core is too small and easy to break when a structure that the length of the first through hole 31 is consistent with the length of the throttling element 3 is directly adopted in the injection molding process.

With continued reference to fig. 3, further, an end of the second through hole 32 away from the first through hole 31 is provided with an airflow guide 321, so that airflow can enter the throttle 3 more smoothly. Wherein the air flow guide 321 may be rounded or chamfered.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The height valve is characterized by comprising a valve body, wherein the valve body is provided with a first air inlet hole, an air outlet hole and an exhaust hole, the exhaust hole is provided with an exhaust joint, the exhaust joint comprises a second air inlet hole communicated with the exhaust hole, the second air inlet hole is provided with a throttling element, and the throttling element is provided with a first through hole for air flow to enter from the exhaust hole.

2. A altimeter valve as recited in claim 1 wherein said first through hole has a diameter of 0.65mm to 0.75 mm.

3. A altimeter valve as recited in claim 2 wherein said first through hole has a diameter of 0.7 mm.

4. A altimeter valve as claimed in any one of claims 1 to 3 wherein said throttling element is of cylindrical configuration.

5. The altimeter valve of claim 4 wherein the outer surface of the throttling element is tapered.

6. A altimeter valve as recited in claim 4 wherein the end of said orifice member is disposed flush with said second intake aperture.

7. The altitude valve of claim 4, wherein a second through hole is further formed in the throttling element, the axis of the second through hole is arranged in the same line with the axis of the first through hole, the second through hole is positioned on one side of the first through hole, which is close to the exhaust hole, and the second through hole is communicated with the first through hole and has a diameter larger than that of the first through hole.

8. A altimeter valve as recited in claim 7 wherein an end of the second through hole remote from the first through hole is provided with an airflow guide.