CN217153217U - Combined main piston with limiting structure and pressure-increasing adjustable brake valve - Google Patents
Combined main piston with limiting structure and pressure-increasing adjustable brake valve Download PDFInfo
- Publication number
- CN217153217U CN217153217U CN202122776372.1U CN202122776372U CN217153217U CN 217153217 U CN217153217 U CN 217153217U CN 202122776372 U CN202122776372 U CN 202122776372U CN 217153217 U CN217153217 U CN 217153217U
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- brake valve
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- 238000007789 sealing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a brake valve with adjustable combination formula main piston and pressure boost of limit structure, including the piston main part, the middle part of piston main part upwards extends and is provided with the first cavity cover body, and the inboard bottom of the first cavity cover body is provided with spacing edge, the bottom detachable of piston main part is provided with the second cavity cover body, and the inboard bottom of the second cavity cover body is provided with down spacing edge, go up spacing edge and down form spacing activity region between the spacing edge. The utility model discloses a master piston to current brake valve improves, makes it have with adjusting screw assorted go up spacing and lower limit structure for adjusting screw also can be in reasonable within range no matter how the position changes, avoids appearing the condition that the regulating spring damaged or adjusting screw deviates from, great improvement the reliability of brake valve, improved factor of safety.
Description
Technical Field
The utility model relates to a brake valve technical field especially relates to a brake valve with adjustable combination formula owner piston and pressure boost with limit structure.
Background
Along with the development of economy, the improvement of people's standard of living, the car has become one of the important vehicle that people moved instead of walk, pneumatic brake valve is the central control unit among the gas circuit braking system when the car is gone, it plays the effect to the air pressure adjustment in the braking gas circuit, for the convenience of match different operating habits, most pneumatic brake valve all have regulatory function, in order to realize the regulation of braking effect, but traditional brake valve's regulation structure all is located the outside of whole valve body structure, not only increased the overall dimension of brake valve, and the long-time hourglass of regulation structure is exposed to the air, the surface is stained with dust very easily, impurity such as greasy dirt, influence regulatory function's normal use.
In order to solve the above problem, the utility model discloses an automatic transform proportional brake valve of interior mode is disclosed in utility model patent specification with publication number "CN 212098810U", it has adopted hidden regulation structure with all regulation structural design in the inside of valve body, should adjust the structure mainly including fixed baffle that sets up in the valve body, adjusting screw with baffle threaded connection, pressure regulating dish, pressure regulating spring, pressure boost piston and main piston etc. wherein adjusting screw can seal gliding setting in the sliding sleeve of main piston, its regulation method is: utilize the instrument to revolve to twist adjusting screw, adjusting screw reciprocates and makes the position of pressure regulating dish change, and then makes the pressure regulating spring who is located between pressure boost piston and the pressure regulating dish give the pressure boost piston initial force change, realizes the regulation of pressure boost piston pressure boost effect.
However, in the actual process of use, the above-mentioned regulating structure is found to have certain defects: because whole regulation structure all is located the inside of valve body, so the staff can't audio-visual actual position of seeing inside each part, like this, when the not experienced personnel carry out to adjusting screw revolve wrong regulation, twist the easy condition that the dislocation produced destruction to compression spring or adjusting screw deviates from the main piston that appears revolving, influence normal use, lead to the reliability of whole brake valve use not good enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a brake valve with adjustable combination formula owner piston and pressure boost with limit structure to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a combination formula main piston with limit structure, includes the piston main part, and the middle part of piston main part upwards extends and is provided with the first cavity cover body, and the inboard bottom of the first cavity cover body is provided with upper limit edge, the bottom detachable of piston main part is provided with the second cavity cover body, and the inboard bottom of the second cavity cover body is provided with down spacing edge, upper limit edge and lower limit edge between form spacing movable region.
Further, the second hollow sleeve body is connected with the piston main body through a bolt.
Furthermore, a connecting flange is arranged on the outer side of the top of the second hollow sleeve body and connected with the piston main body through the bolt.
Further, a sealing gasket is arranged between the piston main body and the connecting flange.
Further, the piston main body is provided with an annular mounting groove in a matching mode with the connecting flange.
Further, the bottom of the piston main body is provided with a spring positioning groove.
Furthermore, the top of the first hollow sleeve body is provided with a pressing rod.
Further, the outside of piston main part is provided with ring groove, and ring groove embeds is equipped with the sealing washer.
A pressure-increasing adjustable brake valve comprises the combined main piston with the limiting structure.
The above technical scheme of the utility model following beneficial effect has: the utility model discloses a main piston to current brake valve improves, makes it have with adjusting screw assorted go up spacing and lower limit structure for adjusting screw no matter how the position changes, also can be in reasonable within range, avoids appearing the condition that pressure regulating spring damaged or adjusting screw deviate from, great improvement brake valve's reliability, improved factor of safety.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a combined main piston with a limiting structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a combined main piston with a limiting structure according to an embodiment of the present invention;
FIG. 3 is a sectional view of the combined master piston with a limiting structure according to an embodiment of the present invention;
FIG. 4 is an exploded view of the combined master piston with a limiting structure according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a pressure-increasing adjustable brake valve according to an embodiment of the present invention;
fig. 6 is a partially enlarged view of a portion a in fig. 5.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, the combined main piston with a limiting structure according to this embodiment includes a piston main body 1, a first hollow sleeve 2 is disposed in the middle of the piston main body 1 in an upward extending manner, and an upper limiting edge 3 is disposed at the bottom of the inner side of the first hollow sleeve 2, wherein the piston main body 1, the first hollow sleeve 2, and the upper limiting edge 3 are integrally formed by injection molding, and have the advantages of being easy to manufacture, light in weight, and low in cost.
The detachable bottom of the piston main body 1 is provided with a second hollow sleeve 4, the inboard bottom of the second hollow sleeve 4 is provided with a lower limit edge 5, an upper limit edge 3 and a lower limit edge 5 form a limit movable region 6 therebetween, wherein the middle part of the upper limit edge 3 is provided with a channel for passing an adjusting screw, and the middle part of the lower limit edge 5 is provided with a channel for passing a tool for screwing the adjusting screw.
The second hollow sleeve body 4 is connected with the piston main body 1 through the bolt 7, specifically, the top outer side of the second hollow sleeve body 4 is provided with the connecting flange 8, the connecting flange 8 is connected with the piston main body 1 through the bolt 7, and the connecting flange 8 and the piston main body 1 adopt an integrated injection molding structure, so that the piston hollow sleeve has the advantages of convenience in manufacture, light weight and low cost.
Be provided with sealed pad 9 between piston main part 1 and the flange 8, through setting up sealed pad 9, the leakproofness between increase piston main part 1 that can be very big and the flange 8 avoids the circumstances of gas leakage to appear in the junction of the two, guarantees the gas tightness between each working chamber of brake valve for the whole reliable and stable operating condition that is in of brake valve.
The piston main body 1 is provided with the annular mounting groove 10 matched with the connecting flange 8, the positioning effect can be achieved during assembly, and the stability of the main piston structure can be greatly improved while the assembly efficiency is improved.
The bottom of the piston main body 1 is provided with a spring positioning groove 11 which can play a role in positioning and installing the return spring of the main piston 1.
The top of the first hollow sleeve body 2 is provided with a pressing rod 12, and the pressing rod 12 is used for contacting with the pressurizing piston, so that the pressurizing piston is used as a main piston to apply a pressurizing effect.
An annular clamping groove 13 is formed in the outer side of the piston main body 1, and a sealing ring 14 is embedded in the annular clamping groove.
As shown in fig. 5-6, the pressure-increasing adjustable brake valve described in this embodiment includes the above-mentioned combined main piston with a limiting structure, and further includes a valve body 15, an adjusting screw 16, a pressure-adjusting disk 17, a return spring 18, a pressure-adjusting spring 19 and a pressure-increasing piston 20, wherein the bottom end of the adjusting screw 16 is slidably and sealably disposed in the second hollow sleeve body 4, the upper limiting edge 3 and the lower limiting edge 5 limit the adjusting screw 16, so that the adjusting screw 16 can be always located in a reasonable moving range, when the brake valve works, brake gas is introduced through the brake port 21, the brake gas simultaneously pushes the piston main body 1 and the pressure-increasing piston 20 to move downward, wherein the pressure-increasing piston 20 can boost the main piston through the pressing rod 12, and then the bottom end of the second hollow sleeve body 4 contacts with the brake gas control component 22, make the brake gas control assembly 22 open the passageway, and then exhaust brake gas realizes the braking, when needs are adjusted, take off the sealing plug 23 of downside, utilize the instrument to adjust screw rod 16 revolve twist can, arrange other concrete structures and the theory of operation of this brake valve with adjustable pressure boost in, be prior art, can refer to the utility model patent specification that the publication is "CN 212098810U", no longer describe here.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. The utility model provides a combination formula main piston with limit structure which characterized in that: including the piston main part, the middle part of piston main part upwards extends and is provided with the first cavity cover body, and the inboard bottom of the first cavity cover body is provided with upper limit edge, the bottom detachable of piston main part is provided with the second cavity cover body, and the inboard bottom of the second cavity cover body is provided with down spacing edge, upper limit edge and lower spacing form spacing movable region between following.
2. The combined master piston with a limiting structure of claim 1, wherein: the second hollow sleeve body is connected with the piston main body through a bolt.
3. The combined master piston with a limiting structure of claim 2, wherein: and a connecting flange is arranged on the outer side of the top of the second hollow sleeve body and is connected with the piston main body through the bolt.
4. The unitized primary piston with a limiting structure of claim 3, wherein: and a sealing gasket is arranged between the piston main body and the connecting flange.
5. The composite master piston with a limiting structure as set forth in claim 1, wherein: and the piston main body is provided with an annular mounting groove in a matching manner with the connecting flange.
6. The combined master piston with a limiting structure of claim 1, wherein: and a spring positioning groove is formed in the bottom of the piston main body.
7. The combined master piston with a limiting structure of claim 1, wherein: the top of the first hollow sleeve body is provided with a pressing rod.
8. The combined master piston with a limiting structure of claim 1, wherein: the outside of piston main part is provided with ring groove, and ring groove embeds is equipped with the sealing washer.
9. A brake valve with adjustable pressure boost which characterized in that: the combined main piston with the limiting structure comprises the combined main piston with the limiting structure as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122776372.1U CN217153217U (en) | 2021-11-15 | 2021-11-15 | Combined main piston with limiting structure and pressure-increasing adjustable brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122776372.1U CN217153217U (en) | 2021-11-15 | 2021-11-15 | Combined main piston with limiting structure and pressure-increasing adjustable brake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153217U true CN217153217U (en) | 2022-08-09 |
Family
ID=82683767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122776372.1U Active CN217153217U (en) | 2021-11-15 | 2021-11-15 | Combined main piston with limiting structure and pressure-increasing adjustable brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153217U (en) |
-
2021
- 2021-11-15 CN CN202122776372.1U patent/CN217153217U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240419 Address after: No. 581, Chahe Village, Fangqian Town, Junan County, Linyi City, Shandong Province, 276000 Patentee after: Yang Yun Country or region after: China Patentee after: Yang Yunxia Address before: 061100 Canghai Road and Haihua street intersection, Huanghua City, Cangzhou City, Hebei Province Patentee before: Hebei Juyin Auto Parts Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240506 Address after: Room 1612, Building A, China Resources Center, No. 19 Kaiyang Road, Yinqueshan Street, Lanshan District, Linyi City, Shandong Province, 276000 Patentee after: Shandong Xiangyun Energy saving Technology Co.,Ltd. Country or region after: China Address before: No. 581, Chahe Village, Fangqian Town, Junan County, Linyi City, Shandong Province, 276000 Patentee before: Yang Yun Country or region before: China Patentee before: Yang Yunxia |