CN207374361U - A kind of air brake valve safe to use - Google Patents

Abstract

The utility model discloses a kind of air brake valve safe to use, the lower housing being fixedly connected with including upper shell, with the upper shell and the push rod on the upper shell；The upper shell includes upper chamber and lower chambers, and the upper chamber is equipped with a first piston；The first piston is connected by an elastic component with the push rod；The lower chambers are equipped with a second piston；A valve member is equipped with below the second piston；The valve member is arranged on the lower housing；The valve member bottom is equipped with a gas deflation assembly, and the gas deflation assembly includes spaced multiple exhaust parts；A damper element is equipped with below the gas deflation assembly.The utility model passes through the special manufacture to exhaust part so that exhaust part reduces the noise between air-flow and exhaust part during exhaust, so as to greatly reduce the noise that vehicle is sent in braking process, reduces the noise pollution in environment.

Description

A kind of air brake valve safe to use

Technical field

The utility model belongs to technical field of automobile accessories, more particularly, to a kind of air brake valve safe to use.

Background technology

Brake valve is the primary control among running braking system, the braking process of primary brake system in double loop Sensitive servo antrol is realized with during release；But gas is at a terrific speed during existing brake valve is braked When going out from outlet pipe, great vibrations can be generated, so as to which apparent noise can be caused；The noise of formation is not only Driver's driving experience can be influenced, but also can further increase the noise pollution among environment, other pedestrians etc. are made Into influence.

Utility model content

The utility model is in order to overcome the deficiencies of the prior art and provide a kind of air brake valve safe to use.

To achieve these goals, the utility model uses following technical scheme：A kind of air brake valve safe to use, bag Include upper shell, the lower housing being fixedly connected with the upper shell and the push rod on the upper shell；The upper shell includes upper Chamber and lower chambers, the upper chamber are equipped with a first piston；The first piston passes through an elastic component and the push rod phase Even；The lower chambers are equipped with a second piston；A valve member is equipped with below the second piston；The valve member is arranged on On the lower housing；The valve member bottom is equipped with a gas deflation assembly, and the gas deflation assembly includes spaced multiple rows Gas part；A damper element is equipped with below the gas deflation assembly.The utility model in the bottom air outlet pipe of brake valve by increasing by one Exhaust part can will guide the direction that gas is gone out, avoid when gas is gone out and excessively concentrate, and damage is other Component；Simultaneously by carrying out special design to exhaust part, the vibrations occurred between the gas of discharge can be effectively reduced；From And brake valve generated noise in braking process is reduced, reduce the harm of noise；Add the driving of driver Experience；Simultaneously by the setting of acoustic element, it can further reduce the harm of noise；So as to which entire brake valve is in the process of braking In the noise dispatched a car it is extremely low.

Further, the exhaust part includes inclined first inclined-plane from top to bottom and is symmetrical arranged with first inclined-plane The second inclined-plane；By inclined design, can exhaust part effectively guide gas, so as in gas from exhaust part Between gap when go out, can scatter, avoid gas and concentrate in together, other parts are impacted.

Further, the exhaust part is equipped with a cavity, and the cavity is equipped with an exhaust port；Pass through setting for cavity Meter enables to portion gas by the exhaust port outflow on cavity, and then reduces gas and disposably go out from exhaust pipe It goes, and gas is being vented among cavity into deceleration is crossed, and the speed of gas can be effectively reduced, so as to reduce making an uproar for gas Sound.

Further, first inclined-plane is equipped with multiple air guide portions, and the air guide portion is communicated with the cavity, described to lead Gas portion is equipped with an air guide face parallel with first inclined-plane；Pass through the air guide portion on the first inclined-plane so that into cavity Gas can be flowed out from air guide portion, can be to avoid leading and by the limitation in the air guide face with first plane parallel The gas that gas portion goes out is collided with the gas gone out from exhaust part hole, avoids the generation of noise.

Further, the first piston is equipped at least one concave ring, and the concave ring is equipped with a guide part；It is described to lead It is connected to part with the epicoele chamber interior walls；By the setting of guide part, so as to be guided to the movement of first piston, keep away Exempt from phenomena such as first piston shifts up and down when；Guide part can be to enhancing piston and epicoele chamber interior walls simultaneously Between air-tightness, play the role of multiple protective.

Further, the damper element includes a noise elimination lid and arranged on the silencing net eliminated the noise and covered；The silencing net It is spirally connected with the lower housing；By the setting of damper element, secondary noise elimination can be carried out to the gas that will be discharged among gas deflation assembly, Reduce further the noise of brake valve period of braking；So that brake valve can reach convergence and noiseless during braking State.

In conclusion the utility model has the following advantages：The installation that the utility model passes through exhaust group valency and damper element It uses, noise caused by so as to greatly reduce the gas discharged in braking process, enhances the driving body of driver It tests, and reduces noise pollution caused by automobile.

Description of the drawings

Fig. 1 is the structure diagram of the utility model.

Fig. 2 is the utility model exhaust part structure diagram.

Specific embodiment

It is real below in conjunction with the utility model in order to which those skilled in the art is made to be better understood from the utility model The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.

As shown in Figs. 1-2, a kind of air brake valve safe to use is fixedly connected with including upper shell 1, with the upper shell 1 Lower housing 2 and the push rod 11 on the upper shell 1；The metallic rod that the push rod 11 carries opening for one；It is wherein described Upper shell 1 includes upper chamber 3 and lower chambers 4, and a first piston 31 is mounted in the upper chamber 3；The first piston 31 It is connected by an elastic component 32 with the push rod 11；The elastic component 32 is a spring, and one the is equipped in the lower chambers 4 Two pistons 41；41 lower section of second piston is equipped with a valve member 5 simultaneously；The valve member 5 is mounted on the lower housing 2 On, and in lower chambers 4；5 bottom of valve member is equipped with a gas deflation assembly 6, is equipped at intervals on the gas deflation assembly 6 Multiple exhaust parts 61；6 lower section of gas deflation assembly is equipped with a damper element 7；The damper element 7 is spirally connected with the lower housing 2.

Specifically, the exhaust part 61 is equipped with, inclined first inclined-plane 611, the upper of institute's exhaust part 61 are also set from the top down There is 611 symmetrically arranged second inclined-plane 612 of the first inclined-plane, which is located at the back of the body on first inclined-plane 611 Face；The inside of the exhaust part 61 is a hollow design, so as to form a cavity 610, and in the exhaust part 61 Side wall on opened the exhaust port 609 of a strip, a horizontal stripe 608 is additionally provided in the centre position of the exhaust port 609, should The bottom surface that horizontal stripe 608 is is formed slopely inclined-plane from bottom to top；It is also arranged at intervals on the first inclined-plane 611 of the exhaust part 61 Multiple air guide portions 8, the air guide portion 8 include the opening 801 being arranged on first inclined-plane 611, and the opening 801 is upwards Extension forms one and the 801 perpendicular extensions that are open, and then extension is along 611 inclined direction of the first inclined-plane It is bent, is formd and the 611 parallel air guide face 811 of the first inclined-plane.

Further, a dust cover 111 is equipped in the upper end of the upper shell 1, which is set in described push away It on bar 11, and is fixed on the upper end of the upper shell 1 by a dust cover baffle ring, is also arranged on the push rod 11 There are one spring bases 112, and the upper end of the elastic component 31 is connected with the bottom surface of the spring base 112；The first piston 31 simultaneously Among the upper chamber 3, and equipped with a plunger shaft 301, the elastic component 32 is arranged in the plunger shaft 301, and with The bottom of the plunger shaft 301 is connected；A concave ring is respectively equipped on the end position up and down of the outer wall of the first piston 31 311, it is mounted with a guide part 312 respectively in the concave ring 311, which is a rubber ring, and described is led It is in contact to part 312 with the inner wall；A rubber ring is mounted on the outer wall medium position of the first piston 31, so as to It ensure that the air-tightness of first piston 31；An extension 313, the extension are equipped on the bottom position of the first piston 31 Port expand outwardly.

Further, the valve assembly 9 in the lower chambers 4 is arranged on the upper end of second piston 41, and the valve is total Include a valve skeleton 91 and a resetting spring 92 into 9；The upper end of the valve skeleton 91 and the inner wall of the upper shell 1 It is connected, a circle rubber ring is equipped in junction, so as to enhance sealing effect；A bullet has been arranged in the bottom of valve skeleton 91 Spring pedestal 93, therefore 92 end of the resetting spring is installed on the spring pedestal 93, and it is set in the valve skeleton On 91；Further, the second piston 41 is a cross rubber stopper, and the tubing string of 41 upper end of second piston is worn To among the valve skeleton 91；The left and right sides of the second piston 41 passes through a sealing ring and the upper shell respectively Inner wall is connected.

Specifically, the lower section of the second piston 41 is set there are one valve member 5, which includes a valve Pipe 51 and a spring 52；The upper end of the valved tube 51 is connected with the inner wall of the upper shell 1, and a circle is equipped in junction Rubber ring, so as to enhance sealing effect；A spring base 53, therefore 52 end of the spring have been arranged in the bottom of valve member 5 Portion is installed on the spring base 53, and is set on the valved tube 51；Simultaneously one has been arranged outside the valved tube 51 Layer strainer 55；An outlet passageway 21 is equipped on the center of 2 bottom of lower housing, the outlet passageway 21 is by a metal Tubing string is formed, and is threaded through among the valved tube 51, and the gas deflation assembly 6 is located on the port of the outlet pipe 21.

In order to preferably reduce noise, while the damper element 7 for being located at the gas deflation assembly lower end includes a noise elimination Lid 71 and silencing net 72, the noise elimination lid 71 is for one through lid made of deadener；The silencing net 72 is installed in described On noise elimination lid 71, and the silencing net 72 is one via net made from deadener；The noise elimination lid 71 and the lower housing 2 It is screwed together by screw thread.

Obviously, described embodiment is only the part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained without making creative work Every other embodiment should all belong to the scope of the utility model protection.

Claims (5)

1. a kind of air brake valve safe to use, the lower housing (2) that is fixedly connected with including upper shell (1), with the upper shell (1) and Push rod (11) on the upper shell (1)；It is characterized in that：The upper shell (1) includes upper chamber (3) and lower chambers (4), the upper chamber (3) is equipped with a first piston (31)；The first piston (31) by an elastic component (32) with it is described Push rod (11) is connected；The lower chambers (4) are equipped with a second piston (41)；A valve is equipped with below the second piston (41) Component (5)；The valve member (5) is arranged on the lower housing (2)；Valve member (5) bottom is equipped with a gas deflation assembly (6), the gas deflation assembly (6) includes spaced multiple exhaust parts (61)；One is equipped with below the gas deflation assembly (6) to eliminate the noise Part (7).

2. a kind of air brake valve safe to use according to claim 1, it is characterised in that：The exhaust part (61) includes From top to bottom inclined first inclined-plane (611) and with symmetrically arranged second inclined-plane (612) of first inclined-plane (611)；It is described Exhaust part (61) is equipped with a cavity (610), and the cavity (610) is equipped with an exhaust port (609).

3. a kind of air brake valve safe to use according to claim 2, it is characterised in that：First inclined-plane (611) Be equipped with multiple air guide portions (8), the air guide portion (8) communicates with the cavity (610), the air guide portion (8) be equipped with one and The parallel air guide face (811) of first inclined-plane (611).

4. a kind of air brake valve safe to use according to claim 1, it is characterised in that:On the first piston (31) Equipped at least one concave ring (311), the concave ring (311) is equipped with a guide part (312)；The guide part (312) with it is described Upper chamber (3) inner wall is connected.

5. a kind of air brake valve safe to use according to claim 1, it is characterised in that：The damper element (7) includes One, which eliminates the noise, covers (71) and arranged on the silencing net (72) eliminated the noise on lid (71)；Lid (71) and the lower housing (2) of eliminating the noise It is spirally connected.