CN205190845U - Integrative valve rod of breathing of formula that pushes - Google Patents
Integrative valve rod of breathing of formula that pushes Download PDFInfo
- Publication number
- CN205190845U CN205190845U CN201520666124.3U CN201520666124U CN205190845U CN 205190845 U CN205190845 U CN 205190845U CN 201520666124 U CN201520666124 U CN 201520666124U CN 205190845 U CN205190845 U CN 205190845U
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- China
- Prior art keywords
- valve
- piston rod
- valve core
- seat
- push
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 14
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model provides an integrative valve rod of breathing of formula that pushes, a serial communication port, including the piston rod and be located the breather valve of its inner chamber, the breather valve include valve core case and sliding fit's case with it, be equipped with the intercommunication piston rod external world and piston rod inner cavity's gas passing channel on piston rod and the breather valve, be equipped with a part of blocking of blocking gas passing channel on the breather valve, press between case and the valve core case and be equipped with elastomeric element, be equipped with positioner and stop device between breather valve and the piston rod. Compared with the prior art, the advantage that has simple structure, easily processing.
Description
Technical Field
The utility model relates to an auto-parts-breather valve, especially a push-in integrative breather valve rod.
Background
The brake system is one of the most important systems in various large systems of the automobile, the brake air chamber is an important executive component, and the quality of the brake air chamber is directly related to the life safety of a vehicle driver and the road traffic safety.
Currently, a brake air chamber is divided into an inner breath and an outer breath.
External respiration: the air outside is directly sucked into the parking room through simple filtration, and the service life of the brake air chamber is directly shortened under the condition of poor road conditions.
Internal respiration: the air extruded by the parking chamber is discharged to the service brake chamber through the one-way breather valve, so that the corrosion of external road conditions to internal parts of the brake chamber is avoided, and the service life of the brake chamber is greatly prolonged.
At present, the following methods are available: three-body structure of breather valve cover, piston rod and piston
Breather valve cover and piston rod integrated structure
Piston rod and piston integrated structure
The breather valve cover, the piston rod and the piston are of an integrated structure.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide an integrative valve rod of breathing of push-in, compare with prior art, have advantages such as simple structure, easily processing.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a push-in type integrated breathing valve rod comprises a piston rod, wherein a breathing valve is matched with an inner cavity of the piston rod, and the breathing valve comprises a valve core seat and a valve core matched with the valve core seat; the outer wall of the valve core seat is in matched contact with the inner wall of the piston rod; the middle part of the valve core seat is slidably sleeved with the valve core along the axial direction of the piston rod; the piston rod and the breather valve are provided with air passing channels communicated with the outside of the piston rod and the inner cavity of the piston rod, and the breather valve is provided with a blocking component for blocking the air passing channels; an elastic component is pressed between the valve core and the valve core seat, and a positioning device and a limiting device are arranged between the breather valve and the piston rod.
Furthermore, the air passage comprises a valve seat through hole which is formed in the valve core seat and leads to the matching surface of the valve core and the valve core seat, and a piston hole which is formed in the piston rod and communicated with the inner cavity of the piston rod.
Furthermore, the blocking component is arranged on the end face of the valve core, which is contacted with the valve core seat, and is in a convex sealing ring form, and the outer ring of the sealing ring covers a valve seat through hole; when the valve core is tightly matched with the valve core seat in a sealing way, the through hole of the valve seat is sealed.
Furthermore, the elastic component is a spring, the upper end of the spring is arranged in the inner cavity of the valve core in a propping manner, and the lower end of the spring is arranged in the inner cavity of the valve seat in a propping manner.
Furthermore, the positioning device is a protrusion and a corresponding groove which are arranged on the top end of the valve core and the inner wall of the top end of the piston rod.
Furthermore, the top end of the inner wall of the piston rod is provided with a bulge, and the top end of the valve core is provided with a groove corresponding to the bulge.
Furthermore, the limiting device is an annular groove located at the top end of the inner cavity of the piston rod, and a clamping jaw corresponding to the annular groove and located on the outer wall of the valve core seat.
Furthermore, the lower part of the valve core seat is provided with an annular groove, and a sealing element is arranged in the annular groove.
The utility model discloses a theory of operation and beneficial effect show:
the utility model mainly comprises a piston rod and a breather valve positioned in the inner cavity of the piston rod; the breather valve also comprises a valve core seat and a valve core matched with the valve core seat.
The breather valve and the piston rod are provided with air passing channels, wherein the air passing channels can realize the intercommunication between the outside of the piston rod and the inner cavity of the piston rod.
The air passage is provided with a blocking component which is unidirectional, so that the air is communicated from the inner cavity of the piston rod to the outside of the piston rod, otherwise, the air passage is closed due to the blocking component.
Preferably, the air passage comprises a piston through hole positioned on the outer wall of the piston rod, the outer end of the piston through hole is communicated with the outside of the piston rod, and the inner end of the piston through hole is communicated with the inner cavity of the piston rod; the air passage also comprises a valve core seat through hole arranged on the valve core seat, the upper end of the valve core seat through hole is communicated with the piston through hole after passing through the outer wall of the valve core, and the lower end of the valve core seat through hole is communicated with the inner cavity of the piston rod.
A positioning device and a limiting device are arranged between the breather valve and the piston rod.
Wherein,
a positioning device: the top end of the valve core and the inner wall of the top end of the piston rod are provided with a bulge and a corresponding groove; preferably, the top end of the inner wall of the plug rod is provided with a bulge, and the top end of the valve core is provided with a groove corresponding to the bulge.
A limiting device: the valve core is an annular groove positioned at the top end of an inner cavity of the piston rod and a clamping jaw corresponding to the annular groove and positioned on the outer wall of the valve core seat.
By adopting the structure, the piston rod part can be of a stamping integral structure.
Drawings
FIG. 1 is a schematic structural section of the present invention;
FIG. 2 is a cross-sectional view of the left side view structure of FIG. 1;
FIG. 3 is a perspective view of the valve core structure;
FIG. 4 is a perspective view of the valve core structure;
FIG. 5 is a bottom view of the valve cartridge structure;
FIG. 6 is a front view of the cartridge configuration;
FIG. 7 is a view A-A of FIG. 5;
FIG. 8 is a perspective view of a valve cartridge seat structure;
FIG. 9 is a perspective view of a valve core seat structure;
FIG. 10 is a bottom view of the valve cartridge seat arrangement;
FIG. 11 is a front view of the valve cartridge seat arrangement;
FIG. 12 is a view B-B of FIG. 11;
FIG. 13 is a schematic view of a valve stem configuration;
fig. 14 is a view from C-C of fig. 13.
Detailed Description
The related art not described below can be used or used as a reference for the prior art.
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1-2 show that a push-in type integrated breather valve rod comprises a piston rod 3, wherein the piston rod 3 is of a cylindrical structure, one end of the piston rod is sealed to form a cavity, and a breather valve is matched with an inner cavity of the piston rod.
Wherein, above-mentioned breather valve includes complex case 1 and case seat 2, and the cooperation form is as follows: the middle part of the valve core seat is provided with a cylindrical groove along the axial direction, and a valve core is in sliding fit in the cylindrical groove along the axial direction.
The outer wall of the valve core seat 2 and the outer wall of the piston rod 3 are cylindrical structures which are matched with each other,
and the piston rod 3 and the breather valve are provided with air passing channels communicated with the outside of the piston rod and the inner cavity of the piston rod.
The air passing channel of the embodiment comprises the following settings:
1. the piston through hole 31 is located on the outer wall of the piston rod, the piston through hole 31 is located at the end portion of the piston rod 3 and used for being communicated with the outside of the piston rod and an inner cavity of the piston rod, the preferred piston through hole is a radial hole, and the inner end of the piston through hole is communicated.
2. A valve seat through hole 21 is formed in the valve core seat 2, one end of the valve seat through hole 21 is communicated with the inner cavity of the piston rod 3, and the other end of the valve seat through hole 21 is communicated with the upper end face of the cylindrical groove; the preferred valve seat through bore 21 is also axially disposed.
Thus, the inner cavity of the piston rod enters the cylindrical groove after passing through the valve seat through hole 21, then enters the upper cavities of the breather valve and the piston rod after passing through the cylindrical space where the valve core seat 2 is matched with the valve core 1, and finally is the same as the outside of the piston rod after passing through the piston through hole.
The utility model discloses a breather valve is one-way breathing form, consequently is equipped with a blocking part who blocks gas channel on the breather valve: as shown in the figures 3-14 of the drawings,
the blocking component of this embodiment is a protruding sealing ring 11, and this sealing ring 11 sets up the outer end at the last air vent of disk seat through-hole 21, and the position satisfies when the case slided to the bottom of cylindricality recess, and sealing ring 11 can cover the disk seat through-hole and form sealedly.
The sealing ring 11 can be arranged on the bottom surface of the cylindrical groove, and also can be arranged on the bottom end surface of the valve core, and the embodiment is arranged on the bottom end surface of the valve core.
In the embodiment, an elastic component is pressed between the valve core 1 and the valve core seat 2; the elastic component is arranged as follows: a blind hole 12 is formed upwards at the bottom end of the valve core 1, and a valve seat through hole 21 is formed into a stepped hole; preferably, the sealing ring 11 is located outside the blind hole and outside the upper hole of the stepped hole and concentrically arranged, and the elastic member is pressed in the stepped hole and the blind hole. Preferably, the elastic member of the present embodiment takes the form of a spring 4.
A positioning device and a limiting device are arranged between the breather valve and the piston rod.
The positioning device in this embodiment is located between the valve core 1 and the piston rod 3, and has a convex-concave matching structural form: preferably, the inner wall of the valve core is provided with a bulge 13, and the upper end of the valve core is provided with a groove corresponding to the bulge.
The limiting device of the embodiment is located between the piston rod 3 and the valve core seat 2: an annular groove 32 at the top end of the inner cavity of the piston rod and a claw 22 corresponding to the annular groove 32 and positioned on the outer wall of the valve core seat 2.
When the valve core is used, gas in the piston rod cavity enters the cylindrical groove of the valve core seat through the valve seat through hole, enters the upper cavity of the valve core seat through the matching surface of the valve core seat and the valve core in the cylindrical groove, and finally communicates with the outside of the piston rod through the piston through hole.
If the external gas pressure of piston rod is big, want reverse entering into the piston rod inner chamber, outside air enters into valve core case top cavity through the piston through-hole, then, enter into the annular groove through valve core case and case fitting surface, this moment because the air quantity of passing of fitting surface is little, can not reach the purpose of the uninstallation of ventilating for a while, then, the case is compressed tightly downwards to the high atmospheric pressure, make the sealing ring on the case seal up the disk seat through-hole, thereby reach totally enclosed purpose, the case also is further compressed tightly this moment, thereby reach the purpose of blocking.
The above description is only the preferred embodiment of the present application, so that those skilled in the art can understand or realize the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A push-in type integrated breathing valve rod is characterized by comprising a piston rod, wherein a breathing valve is matched with an inner cavity of the piston rod, and the breathing valve comprises a valve core seat and a valve core matched with the valve core seat; the outer wall of the valve core seat is in matched contact with the inner wall of the piston rod; the middle part of the valve core seat is slidably sleeved with the valve core along the axial direction of the piston rod; the piston rod and the breather valve are provided with air passing channels communicated with the outside of the piston rod and the inner cavity of the piston rod, and the breather valve is provided with a blocking component for blocking the air passing channels; an elastic component is pressed between the valve core and the valve core seat, and a positioning device and a limiting device are arranged between the breather valve and the piston rod.
2. The push-in type integrated breathing valve rod according to claim 1, wherein the air passage comprises a valve seat through hole which is formed in the valve core seat and is communicated with the matching surface of the valve core and the valve core seat, and a piston hole which is formed in the piston rod and is communicated with the inner cavity of the piston rod.
3. The push-in type integrated breathing valve rod according to claim 1 or 2, characterized in that the blocking component is arranged on the end face of the valve core, which is contacted with the valve core seat, and is in the form of a raised sealing ring, and the outer ring of the sealing ring is covered with a valve seat through hole; when the valve core is tightly matched with the valve core seat in a sealing way, the through hole of the valve seat is sealed.
4. The push-in integrated breather valve stem of claim 1, wherein the resilient member is a spring, the upper end of the spring is disposed in the cavity of the valve plug, and the lower end of the spring is disposed in the cavity of the valve seat.
5. The push-in integrated breather valve stem of claim 1, wherein the positioning means is a protrusion and a corresponding groove provided on the top end of the valve plug and the inner wall of the top end of the piston rod.
6. The push-in integrated breathing valve stem of claim 5, wherein the top end of the inner wall of the piston rod is provided with a protrusion, and the top end of the valve core is provided with a groove corresponding to the protrusion.
7. The push-in integrated breathing valve stem according to claim 1, wherein the limiting means is an annular groove at the top end of the inner cavity of the piston rod and a jaw corresponding to the annular groove and located on the outer wall of the valve core seat.
8. The push-in integrated breathing valve stem of any one of claims 1, 2 or 7, wherein the lower part of the valve core seat is provided with an annular groove, and a sealing element is arranged in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666124.3U CN205190845U (en) | 2015-08-31 | 2015-08-31 | Integrative valve rod of breathing of formula that pushes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666124.3U CN205190845U (en) | 2015-08-31 | 2015-08-31 | Integrative valve rod of breathing of formula that pushes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190845U true CN205190845U (en) | 2016-04-27 |
Family
ID=55783835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666124.3U Expired - Fee Related CN205190845U (en) | 2015-08-31 | 2015-08-31 | Integrative valve rod of breathing of formula that pushes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190845U (en) |
-
2015
- 2015-08-31 CN CN201520666124.3U patent/CN205190845U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180411 Address after: 271000 No. 17, Nan Liu Jie, Da Wen Kong gypsum Industrial Park, Tai'an, Shandong. Patentee after: TAIAN TAIJING ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 271000 Shandong city of Tai'an province Dawenkou gypsum Industrial Park Patentee before: TAIAN ZHONGLI AUTO PARTS CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20200831 |