CN204020867U - A kind of Novel brake valve gear - Google Patents
A kind of Novel brake valve gear Download PDFInfo
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- CN204020867U CN204020867U CN201420523311.1U CN201420523311U CN204020867U CN 204020867 U CN204020867 U CN 204020867U CN 201420523311 U CN201420523311 U CN 201420523311U CN 204020867 U CN204020867 U CN 204020867U
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Abstract
The utility model discloses a kind of Novel brake valve gear, comprise three joints to connect successively and the epicoele valve body that can mutually dismantle, lumen valve body, cavity of resorption valve body, and fixed by Connection Block, first piston overcoat and the second piston jacket all detachable, the inwall length of first piston overcoat and the second piston jacket is less than peripheral wall length, and form the cambered surface of indent in its lower end and spatial data is equal, the first paragraph top of the second piston be provided with for the pipe link be flexibly connected bottom first piston.The utility model is detouchable structural pattern, be convenient to install, safeguard or maintenance, valve body is installed firm, and the circulation of gas is even, and being stressed in cavity is even, upper and lower brake synchronous is even, solve air-flow right angle on the market impact and produce air-flow resistance, air-flow is chaotic, air-flow is uneven, thus play braking procedure and play light, soft, clever, quick, uniform and stable, the uniform effect of upper and lower double loop brake synchronous, there is very high practical value, be applicable to very much large-scale promotion and use.
Description
Technical field
The utility model relates to a kind of braking valve unit, is specifically related to a kind of Novel brake valve gear, belongs to field of automobile brake.
Background technology
Brake activation valve is the primary control in the middle of running brake system, in the braking procedure and dispose procedure of double loop primary brake system, realize sensitive servo antrol, brake activation valve is primarily of epicoele piston, cavity of resorption piston, push rod, balance spring, pull back spring (upper and lower cavity), epicoele valve, cavity of resorption valve, admission port, air extractor duct, exhausr port, air extractor vent composition.When chaufeur steps on stretcher, make piston press down balance spring by stretching pull bar, piston moves down, first drain tap is closed, open air intake valve, now the pressurized air of air receiver is filled with compressed air brake cylinder through air inlet valve, promotes air chamber diaphragm and makes brake shoe expander rotate thus realize wheel braking.
Existing brake activation valve, epicoele is as a whole non-dismountable, and after valve open, high pressure gas to enter after piston end surface in cavity, due to high pressure gas via cavity face be not smooth facing directly, but have a corner, so existing brake activation valve has following shortcoming:
(1) epicoele is as a whole non-dismountable, will cause maintenance or maintenance difficult;
(2) due to high pressure gas via cavity face be not smooth facing directly, but have a corner, gas will be made to supply uneven, cause braking effect bad, the life-span of product also falls.
Utility model content
The purpose of this utility model is to provide a kind of Novel brake valve gear, solve the maintenance or difficult in maintenance of existing brake activation valve, and to the circulation of gas carry out back-pressure penetrate, expand put, lead, uniform output services process is uneven, to above deposit air valve and under deposit asynchronous, the inconsistent problem of air valve air demand, solve the series of problems in braking procedure.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of Novel brake valve gear, comprise upper valve body, the cavity of resorption valve body that upper end and upper valve body lower end removably connect, be connected to the first piston overcoat in upper valve body upper end, be slidably connected to the first piston in first piston overcoat, be located at the tip-lever support be connected with first piston upper end in upper valve body, air valve is deposited on being flexibly connected with first piston lower end, to be slidably connected in upper valve body and to be positioned at the second piston depositing air valve lower end, be installed under in cavity of resorption valve body and deposit air valve, the lower end of described second piston with under deposit air valve and be flexibly connected, upper valve body and cavity of resorption valve body are equipped with admission port and air extractor duct, to be installed in upper valve body simultaneously with admission port and air extractor duct through on deposit air valve body, to be installed in cavity of resorption valve body simultaneously with admission port and air extractor duct through under deposit air valve body, described upper valve body comprises to be installed and detouchable epicoele valve body and lumen valve body up and down successively, the lower end of lumen valve body and the upper end of cavity of resorption valve body removably connect, described first piston, first piston overcoat, tip-lever support is installed in epicoele valve body, in described lumen valve body, lower end is removably connected with the second piston jacket, and the second piston is slidably connected in this second piston jacket, the second piston jacket, the second piston, on deposit air valve, on deposit air valve body and be installed in lumen valve body, the lower end of described first piston overcoat and the upper end of lumen valve body removably connect and form with the upper end of lumen valve body the cavity that gas flows, and the lower end of described second piston jacket and the upper end of cavity of resorption valve body removably connect and form with the upper end of cavity of resorption valve body the cavity that gas flows.Lumen valve body and cavity of resorption valve body are respectively used to front wheel brake and rear service brake, in the prior art, epicoele valve body and lumen valve body to be fixedly connected with and non-removable, and in the utility model, epicoele valve body, lumen valve body, cavity of resorption valve body are all detachable, to install, safeguard or to keep in repair.
Particularly, described first piston overcoat and the second piston jacket are hollow cylindrical, to be connected in epicoele valve body and lumen valve body and detachable, its inner top side is equipped with spacing retaining groove, first piston outer casing inner wall middle-end is provided with O-ring seal, the inwall length of first piston overcoat and the second piston jacket is less than peripheral wall length, and forms indent and up-small and down-big cambered surface in its lower end.When braking, push rod promotes tip-lever support downwards, the bottom of piston will be deposited air valve and be backed down, high pressure gas enters in the cavity of piston end surface by admission port, now, air-flow can send into air extractor duct along with the special construction of the up-small and down-big cambered surface of indent, in this course, the uniform special construction of the up-small and down-big cambered surface of indent to air-flow carry out back-pressure penetrate, expand, lead, evenly, stably output services process, reduce the impulsive force that air-flow presses down piston.Solve air-flow right angle on the market impact and produce air-flow resistance, air-flow is chaotic, air-flow is uneven, thus plays light, soft, clever, quick, the uniform and stable effect of braking procedure.
Further, described air extractor duct is positioned at immediately below cambered surface, and air extractor duct has two and symmetrically, centered by valve body center, point is poroid in circular arc.Flow out with being so also conducive to gas uniform, in cavity, each face pressurized is even, increases life-span and stability.
Further, described first piston is divided into four sections from top to bottom, first paragraph upper end is connected with tip-lever support, its periphery is provided with postive stop baffle, and outside postive stop baffle, be socketed with O-ring seal, first paragraph, second segment slide in first piston overcoat, and the 3rd section of diameter is less than second segment, the 4th section of bottom with under deposit air valve movable upper end be connected.Described second piston is divided into six sections from top to bottom, first paragraph be for the pipe link be flexibly connected bottom first piston, this pipe link exceeds the upper end of depositing air valve in non-braking mode next top, and first paragraph deposits upper end slip in air valve upper, second segment slides in upper middle-end of depositing air valve, 3rd section, the 4th section is slided in the second piston jacket, 3rd section of periphery, upper end is provided with postive stop baffle, and outside postive stop baffle, be socketed with O-ring seal, 5th section of diameter is less than the 4th section, the 6th section of bottom with under deposit air valve movable upper end be connected.The active path of spacing retaining groove restriction first piston and the second piston, when first piston and the second piston are in upper limit position, the second segment lower end of first piston does not exceed the inwall of first piston overcoat, 4th section with on deposit air valve and be not connected, 4th section of lower end of the second piston does not exceed the inwall of the second piston jacket, the 6th section with under deposit air valve and be not connected; When first piston and the second piston are in lower position, the 4th section of lower end of first piston and the 6th section of lower end of the second piston respectively by deposit air valve and under deposit air valve and back down.Pipe link exceeds the upper end of depositing air valve and is movably connected bottom first piston in non-braking mode next top.This pipe link achieves the brake synchronous of first piston and the second piston, and braking effect is synchronous, and the precise structure of piston, with piston jacket bearing fit.
Again further, circular dust boot is socketed with outside described tip-lever support, the outside upper and lower side of first piston overcoat and the second piston jacket is socketed with O-ring seal respectively, the O-ring seal of upper end be respectively used to epicoele valve body in and connection sealing function in lumen valve body, the cushion rubber of lower end is respectively used to the connection sealing function with lumen valve body and cavity of resorption valve body, circular dust boot is dust-proof, and rubber ring is used for sealing.
Again further, described epicoele valve body, lumen valve body and cavity of resorption valve body periphery are equipped with Connection Block, and Connection Block is provided with screw hole.Fixed by bolts through bolt holes after installing.Connection Block on described lumen valve body is two groups, one is mounted on upper end, periphery, another is mounted on lower end, periphery, often organize and have two or more respectively, and be interspersed between two groups of Connection Blocks, epicoele valve body is consistent with the Connection Block quantity that lumen valve body is often organized with the Connection Block quantity on cavity of resorption valve body, cavity of resorption valve body Connection Block only one group be connected with middle cavity lower end.Be interspersed between four groups of Connection Blocks, be conducive to stationarity and the stability of valve body installation like this.
In addition, described epicoele valve body and lumen valve body, be also provided with coil spring between lumen valve body and cavity of resorption valve body, deposits in air valve body up and down and be equipped with balance spring, described coil spring is conical, and small-caliber end is flexibly connected with bottom second segment and the 4th section of bottom of the second piston respectively.When braking, push rod promotes tip-lever support downwards, the bottom of piston will be deposited air valve and be backed down, admission port high pressure gas enters in the cavity of piston end surface, after air-flow enters air extractor duct, when push rod is return, coil spring produces restoring force and piston is retracted into initial condition to brake next time, bolt spring, piston, deposits air valve and all detachably changes, and also serves the effect being convenient to safeguard.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model comprises three joints and connects successively and the epicoele valve body that can mutually dismantle, lumen valve body, cavity of resorption valve body, compared with prior art, is convenient to maintenance or safeguards;
(2) the utility model realizes valve body fixed effect each other by arranging Connection Block, and when three valve bodies are fixed, the position of Connection Block is interlaced, is conducive to stationarity and the stability of valve body installation like this;
(3) the inwall length of the utility model piston jacket is less than peripheral wall length, and the up-small and down-big cambered surface of indent is formed in its lower end, when braking, push rod promotes tip-lever support downwards, piston will be deposited air valve and back down, high pressure gas enters in the cavity of piston end surface by admission port, now, the up-small and down-big uniform cambered surface of indent is when being subject to the pressure of gas, air-flow can send into air extractor duct along with up-small and down-big uniform cambered surface special construction, in this course, up-small and down-big uniform cambered surface will be carried out back-pressure to gas and be penetrated, expansion is put, guiding, uniform and stable work disposal, also mitigate the impulsive force of air-flow to piston simultaneously, solve air-flow right angle on the market to impact and the air-flow resistance of generation, air-flow is chaotic, air-flow is uneven, thus it is light to play braking procedure, soft, spirit, quick, uniform and stable effect,
(4) first paragraph of the utility model second piston be for the pipe link be flexibly connected bottom first piston, pipe link exceeds the upper end of depositing air valve in non-braking mode next top, the work that this pipe link achieves first piston and the second piston is simultaneously synchronous, upper and lower cavity body brake synchronous, and the precise structure of piston, with piston jacket bearing fit;
(5) the utility model first piston overcoat and the second piston jacket lower end form the cavity that gas flows respectively with lumen valve body and cavity of resorption valve body lower end, and the inner concave arc surface data of two piston jackets are equal, with deposit air valve and constitute the equal cavity in two spaces, thus it is identical to reach upper and lower cavity air demand, and the effect of uniformity;
(6) the utility model air extractor duct is positioned at immediately below the cambered surface of piston jacket, air extractor duct has two and symmetrically, centered by valve body center, point is poroid in circular arc, flows out with being so also conducive to gas uniform, in cavity, each face pressurized is even, increases life-span and stability;
(7) the utility model epicoele valve body and lumen valve body, also coil spring is provided with between lumen valve body and cavity of resorption valve body, coil spring is conical, upper and lower helical spring small-caliber end is flexibly connected with bottom first piston second segment and the 4th section of bottom of the second piston respectively, coil spring, piston, deposit air valve, cushion rubber and all can pull down replacing, also serve the effect being convenient to safeguard;
(8) the utility model is detouchable structural pattern, be convenient to install, safeguard or maintenance, and valve body is installed firm, the circulation of gas is even, being stressed in cavity is even, upper and lower brake synchronous, and the data that upper and lower cavity air inlet is given vent to anger are equal, there is very high practical value, be applicable to very much large-scale promotion and use.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is the structural representation of the utility model epicoele valve body upper surface.
Fig. 4 is the structural representation in the utility model epicoele valve body lower end face.
Fig. 5 is the structural representation of the utility model lumen valve body upper surface.
Fig. 6 is the structural representation in the utility model lumen valve body lower end face.
Fig. 7 is the utility model lumen valve body birds-eye view.
Fig. 8 is the structural representation of the utility model cavity of resorption valve body upper surface.
Fig. 9 is the structural representation in the utility model cavity of resorption valve body lower end face.
Figure 10 is the structural representation of the utility model first piston overcoat or the second piston jacket.
Figure 11 is the structural representation of the utility model first piston.
Figure 12 is the structural representation of the utility model second piston.
Wherein, the parts name that in figure, Reference numeral is corresponding is called:
1-epicoele valve body, 2-lumen valve body, 3-cavity of resorption valve body, 4-first piston overcoat, 5-first piston, 6-second piston jacket, 7-second piston, 8-admission port, 9-air extractor duct, 10-Connection Block, 11-screw hole, the spacing retaining groove of 12-, 13-cambered surface, the circular dust boot of 14-, 15-postive stop baffle, 16-pipe link, 17-tip-lever support, 18-deposits air valve, air valve is deposited, 20-coil spring, 21-balance spring under 19-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figures 1 to 12, a kind of Novel brake valve gear, comprise three joints to connect successively and the epicoele valve body 1 that can mutually dismantle, lumen valve body 2, cavity of resorption valve body 3, be socketed on the first piston overcoat 4 in epicoele valve body lower end, be slidably connected to the first piston 5 in first piston overcoat, the tip-lever support 17 be connected with first piston upper end, be socketed on the second piston jacket 6 in lumen valve body lower end, be slidably connected to the second piston 7 in the second piston jacket, air valve 18 is deposited on being connected with the second piston upper end, be installed under in cavity of resorption valve body and deposit air valve 19, the lower end of described first piston with on deposit air valve and be flexibly connected, the lower end of the second piston with under deposit air valve and be flexibly connected, the lower end of described first piston overcoat and the upper end of lumen valve body removably connect and form with the upper end of lumen valve body the cavity that gas flows, the lower end of described second piston jacket and the upper end of cavity of resorption valve body removably connect and to form the cavity that gas flows with the upper end of cavity of resorption valve body, lumen valve body 2 and cavity of resorption valve body 3 are equipped with admission port 8 and air extractor duct 9, to be installed in upper valve body simultaneously with admission port and air extractor duct through on deposit air valve body, to be installed in cavity of resorption valve body simultaneously with admission port and air extractor duct through under deposit air valve body, admission port and air extractor duct cooperatively interact and act on the process of inflating and exit and belong to prior art with the connection of depositing air valve body, do not repeat at this.
Epicoele valve body 1, lumen valve body 2 and cavity of resorption valve body 3 periphery are equipped with Connection Block 10, Connection Block is provided with screw hole 11, described Connection Block is used for epicoele valve body 1, lumen valve body 2 and cavity of resorption valve body 3 are interconnected to be fixed by bolts through bolt holes afterwards, in the present embodiment, lumen valve body is provided with two groups of Connection Blocks, one is mounted on upper end, periphery, another is mounted on lower end, periphery, two groups are respectively 4, 4 Connection Blocks in each group are in same level and be uniformly distributed on lumen valve body periphery, wherein one group is used for being connected with the Connection Block of epicoele valve body, another group is used for being connected with the Connection Block of cavity of resorption valve body, and be interspersed between two groups of Connection Blocks, be conducive to stationarity and the stability of valve body installation like this, as can be seen from Figure 1, Connection Block quantity on epicoele valve body and cavity of resorption valve body is correspondingly also 4, also to be uniformly distributed on the periphery of epicoele valve body and cavity of resorption valve body in same level respectively.Lumen valve body and cavity of resorption valve body are respectively used to front wheel brake and rear service brake, in the prior art, epicoele valve body 1 and lumen valve body 2 to be fixedly connected with and non-removable, and in the utility model, epicoele valve body 1, lumen valve body 2, cavity of resorption valve body 3 are all detachable, to install, safeguard or to keep in repair.
In order to further illustrate shape of the present utility model, structure and improvement thereof, in the utility model, the shape of piston jacket and piston has had very large improvement, first piston overcoat and the second piston jacket are hollow cylindrical, to be socketed on respectively in epicoele valve body and lumen valve body and detachable, its inner top side is equipped with spacing retaining groove 12, first piston outer casing inner wall middle-end is provided with O-ring seal, the inwall length of first piston overcoat and the second piston jacket is less than peripheral wall length, and forms the up-small and down-big cambered surface 13 of indent in its lower end; Described first piston is divided into four sections from top to bottom, first paragraph upper end is connected with tip-lever support, circular dust boot 14 is socketed with outside tip-lever support, first paragraph periphery is provided with postive stop baffle 15, and outside postive stop baffle, be socketed with O-ring seal, first paragraph, second segment slide in first piston overcoat, the 4th section of bottom with under deposit air valve movable upper end be connected.In the present embodiment, the diameter of first paragraph is greater than second segment, and the diameter of second segment is greater than the 3rd section, and the diameter of the 3rd section is less than the 4th section, and the diameter of the 4th section is less than second segment.
Described second piston is divided into six sections from top to bottom, first paragraph be for the pipe link 16 be flexibly connected bottom first piston, this pipe link exceeds the upper end of depositing air valve in non-braking mode next top, and first paragraph deposits upper end slip in air valve upper, second segment slides in upper middle-end of depositing air valve, 3rd section, the 4th section is slided in the second piston jacket, 3rd section of periphery, upper end is provided with postive stop baffle 15, and outside postive stop baffle, be socketed with O-ring seal, the 6th section of bottom with under deposit air valve movable upper end be connected.In the present embodiment, the diameter of first paragraph is less than second segment, and the diameter of second segment is less than the 3rd section, and the diameter of the 3rd section is greater than the 4th section, and the diameter of the 4th section is greater than the 5th section, and the diameter of the 5th section is less than the 6th section.
In the utility model, the inwall length of piston jacket is less than peripheral wall length, and the up-small and down-big cambered surface of indent is formed in its lower end, compared with prior art, when braking, push rod promotes tip-lever support downwards, valve backs down by the bottom of piston, high pressure gas enters in the cavity of piston end surface by admission port, now, the up-small and down-big cambered surface of indent is when being subject to the pressure of gas, air-flow can send into air extractor duct along with the special construction of cambered surface, in this course, the uniform special construction of the up-small and down-big cambered surface of indent carries out back-pressure to air-flow and penetrates, expansion, guiding, evenly, stably output services process, reduce the impulsive force that air-flow presses down piston.Solve air-flow right angle on the market impact and produce air-flow resistance, air-flow is chaotic, air-flow is uneven, thus play braking procedure and play light, soft, clever, quick, uniform and stable effect.The bottom of first piston and the second piston is flexibly connected with next valve body, and the first paragraph of the second piston be for the pipe link 16 be flexibly connected bottom first piston, pipe link exceeds the upper end of depositing air valve and is movably connected bottom first piston in non-braking mode next top, the work that this pipe link achieves first piston and the second piston is simultaneously synchronous, braking effect upper and lower cavity is synchronous, and the precise structure of piston, with piston jacket bearing fit.The outside upper and lower side of first piston overcoat and the second piston jacket is socketed with O-ring seal respectively, the O-ring seal of upper end be respectively used to epicoele valve body in and connection sealing function in lumen valve body, the cushion rubber of lower end is respectively used to the connection sealing function with lumen valve body and cavity of resorption valve body, circular dust boot is dust-proof, and rubber ring is used for sealing.
At epicoele valve body and lumen valve body, coil spring 20 is also provided with between lumen valve body and cavity of resorption valve body, deposit up and down in air valve body and be equipped with balance spring 21, described coil spring is conical, small-caliber end is flexibly connected with bottom the second segment of first piston and the 4th section of bottom of the second piston respectively, when braking, push rod promotes tip-lever support downwards, the bottom of piston will be deposited air valve and be backed down, admission port high pressure gas enters in the cavity of piston end surface, after air-flow enters air extractor duct, when push rod is return, coil spring produces restoring force and piston is retracted into initial condition to brake next time, bolt spring, piston, deposit air valve all detachably to change, also the effect being convenient to safeguard is served.
In the present embodiment, air extractor duct is positioned at immediately below the cambered surface of piston jacket, and air extractor duct has two and symmetrically, centered by valve body center, point is poroid in circular arc, flow out with being so also conducive to gas uniform, in cavity, each face pressurized is even, increases life-span and stability.In the present embodiment, the periphery of lumen valve body and cavity of resorption valve body is also provided with admission port and air extractor duct, induction opening is communicated with admission port, air gate is connected with air extractor duct, admission port and air extractor duct are respectively 3, each induction opening and air gate are equipped with negative thread and stopper, and stopper is in order to avoid impurity enters, and negative thread is used for being connected with external pipe.
In the utility model, other parts of not setting forth and working process of the present utility model, as all belonged to prior art with the flow process depositing air valve body and gas circulated for gas that admission port is communicated with admission port, do not repeat at this.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical matters; even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection domain of the present utility model.
Claims (9)
1. a Novel brake valve gear, comprise upper valve body, the cavity of resorption valve body (3) that upper end and upper valve body lower end removably connect, be connected to the first piston overcoat (4) in upper valve body upper end, be slidably connected to the first piston (5) in first piston overcoat, be located at the tip-lever support (17) be connected with first piston upper end in upper valve body, air valve (18) is deposited on being flexibly connected with first piston lower end, to be slidably connected in upper valve body and to be positioned at the second piston (7) depositing air valve lower end, be installed under in cavity of resorption valve body and deposit air valve (19), the lower end of described second piston with under deposit air valve and be flexibly connected, upper valve body and cavity of resorption valve body are equipped with admission port (8) and air extractor duct (9), to be installed in upper valve body simultaneously with admission port and air extractor duct through on deposit air valve body, to be installed in cavity of resorption valve body simultaneously with admission port and air extractor duct through under deposit air valve body, it is characterized in that, described upper valve body comprises to be installed and detouchable epicoele valve body (1) and lumen valve body (2) up and down successively, the lower end of lumen valve body and the upper end of cavity of resorption valve body removably connect, described first piston, first piston overcoat, tip-lever support is installed in epicoele valve body, in described lumen valve body, lower end is removably connected with the second piston jacket (6), and the second piston is slidably connected in this second piston jacket, the second piston jacket, the second piston, on deposit air valve, on deposit air valve body and be installed in lumen valve body, the lower end of described first piston overcoat and the upper end of lumen valve body removably connect and form with the upper end of lumen valve body the cavity that gas flows, and the lower end of described second piston jacket and the upper end of cavity of resorption valve body removably connect and form with the upper end of cavity of resorption valve body the cavity that gas flows.
2. a kind of Novel brake valve gear according to claim 1, it is characterized in that, described first piston overcoat and the second piston jacket are hollow cylindrical, to be connected in epicoele valve body and lumen valve body and detachable, its inner top side is equipped with spacing retaining groove (12), the inwall length of first piston overcoat and the second piston jacket is less than peripheral wall length, and forms the cambered surface (13) of indent in its lower end.
3. a kind of Novel brake valve gear according to claim 2, it is characterized in that, described first piston is divided into four sections from top to bottom, first paragraph upper end is connected with tip-lever support, its periphery is provided with postive stop baffle (15), and is socketed with O-ring seal outside postive stop baffle, and first paragraph, second segment slide in first piston overcoat, 3rd section of diameter is less than second segment, the 4th section of bottom with under deposit air valve movable upper end be connected.
4. a kind of Novel brake valve gear according to claim 3, it is characterized in that, described second piston is divided into six sections from top to bottom, first paragraph be for the pipe link be flexibly connected bottom first piston (16), this pipe link exceeds the upper end of depositing air valve in non-braking mode next top, and first paragraph deposits upper end slip in air valve upper, second segment slides in upper middle-end of depositing air valve, 3rd section, 4th section is slided in the second piston jacket, 3rd section of periphery, upper end is provided with postive stop baffle (15), and outside postive stop baffle, be socketed with O-ring seal, 5th section of diameter is less than the 4th section, 6th section of bottom with under deposit air valve movable upper end be connected.
5. a kind of Novel brake valve gear according to claim 4, is characterized in that, is socketed with circular dust boot (14) outside described tip-lever support, and the outside upper and lower side of first piston overcoat and the second piston jacket is socketed with O-ring seal respectively.
6. a kind of Novel brake valve gear according to claim 5, it is characterized in that, described air extractor duct is positioned at immediately below cambered surface, and air extractor duct has two and symmetrically, centered by valve body center, point is poroid in circular arc.
7. a kind of Novel brake valve gear according to claim 1-6 any one, is characterized in that, described epicoele valve body, lumen valve body and cavity of resorption valve body periphery are equipped with Connection Block (10), and Connection Block is provided with screw hole (11).
8. a kind of Novel brake valve gear according to claim 7, it is characterized in that, Connection Block on described lumen valve body is two groups, one is mounted on upper end, periphery, another is mounted on lower end, periphery, often organize and have two or more respectively, and be interspersed between two groups of Connection Blocks, epicoele valve body is consistent with the Connection Block quantity that lumen valve body is often organized with the Connection Block quantity on cavity of resorption valve body.
9. a kind of Novel brake valve gear according to claim 8, it is characterized in that, described epicoele valve body and lumen valve body, coil spring (20) is also provided with between lumen valve body and cavity of resorption valve body, deposit up and down in air valve body and be equipped with balance spring (21), described coil spring is conical, and small-caliber end is flexibly connected with bottom the second segment of first piston and the 4th section of bottom of the second piston respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523311.1U CN204020867U (en) | 2014-09-12 | 2014-09-12 | A kind of Novel brake valve gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523311.1U CN204020867U (en) | 2014-09-12 | 2014-09-12 | A kind of Novel brake valve gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020867U true CN204020867U (en) | 2014-12-17 |
Family
ID=52060768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523311.1U Withdrawn - After Issue CN204020867U (en) | 2014-09-12 | 2014-09-12 | A kind of Novel brake valve gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204020867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176036A (en) * | 2014-09-12 | 2014-12-03 | 谢洪川 | Novel brake valve device |
-
2014
- 2014-09-12 CN CN201420523311.1U patent/CN204020867U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176036A (en) * | 2014-09-12 | 2014-12-03 | 谢洪川 | Novel brake valve device |
| CN104176036B (en) * | 2014-09-12 | 2016-09-14 | 谢洪川 | A kind of braking valve unit |
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Granted publication date: 20141217 Effective date of abandoning: 20160914 |
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