CN107989838A - Commercial car unloading valve - Google Patents
Commercial car unloading valve Download PDFInfo
- Publication number
- CN107989838A CN107989838A CN201711013725.4A CN201711013725A CN107989838A CN 107989838 A CN107989838 A CN 107989838A CN 201711013725 A CN201711013725 A CN 201711013725A CN 107989838 A CN107989838 A CN 107989838A
- Authority
- CN
- China
- Prior art keywords
- valve
- cup
- shaped guiding
- feed pathway
- fluid passage
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/024—Pressure relief valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to automobile-used valve body field, disclose commercial car unloading valve, it includes valve body, valve body is equipped with the first feed pathway, the second feed pathway, fluid passage, drainback passage, fluid passage is connected with the first feed pathway, drainback passage respectively, second feed pathway is connected with the first feed pathway, and control valve is equipped between the second feed pathway and drainback passage；Control valve includes cup-shaped guiding valve and hot-wire coil, and valve interior wall is equipped with cricoid fixed column, and hot-wire coil is wound in fixed column, and the interior bottom of cup-shaped guiding valve is equipped with permanent-magnet block, and fixed column is internally provided with compression spring, and hot-wire coil is connected with pressure regulator and power supply.The present invention coordinates compression spring to provide thrust for cup-shaped guiding valve by pressure regulator, coil and permanent-magnet block, avoids return spring from using its elastic force of deformation effect long afterwards so as to cause low pressure oil to flow directly into drainback passage；Low pressure oil enters the pressure inside and outside cup-shaped guiding valve internal balance cup-shaped guiding valve；Body cap is detachable, facilitates the installation of needle-valve.
Description
Technical field
The present invention relates to automobile-used valve body field, more particularly to commercial car unloading valve.
Background technology
At present, unloading valve is mainly used in automobile or braking system of engineering machinery pressure piping, for automatically adjusting braking
Operating pressure in system, and the impurity such as the oil under filtering, water can be automatically drained out by unloading valve.Existing off-load valve arrangement ratio
Larger, not compact enough, existing feather valve is not provided with urgent liquid inlet in addition, and off-load in an emergency situation can postpone, in addition
Existing automatic relieving valve realizes valve switch using spring mostly, spring when in use between it is long after elastic force just occurs
Decline, influence the effect of off-load, cause low pressure oil to flow directly into drainback passage.
The content of the invention
The present invention is directed to the problems of the prior art, there is provided commercial car unloading valve.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
Commercial car unloading valve, it includes valve body, valve body be equipped with the first feed pathway, the second feed pathway, fluid passage,
Drainback passage, fluid passage are connected with the first feed pathway, drainback passage respectively, are equipped with fluid passage and are blocked fluid passage
With the needle-valve connected, the second feed pathway is connected with the first feed pathway by through hole, and the second feed pathway connects with drainback passage
Lead to and be equipped with connectivity part and be used to connecting both into the control valve with blocking；Control valve includes cup-shaped guiding valve and hot-wire coil, valve
Internal wall is equipped with cricoid fixed column, and the lower end of fixed column extend into the inside of cup-shaped guiding valve, and hot-wire coil is wound in fixed column
On, the interior bottom of cup-shaped guiding valve is equipped with the permanent-magnet block coordinated with hot-wire coil, further includes compression spring, the top of compression spring
End extend into the inside of fixed column and is fixed on inner top surface, and the inner bottom surface of cup-shaped guiding valve is fixed in the bottom of compression spring, is powered
Part of the coil outside valve body is connected with pressure regulator and power supply.Compression spring is coordinated by pressure regulator, coil and permanent-magnet block
Thrust is provided for cup-shaped guiding valve, ensures the closing of valve, avoids return spring from using its elastic force of deformation effect long afterwards so as to lead
Low pressure oil is caused to flow directly into drainback passage.A diameter of 30mm of through hole.The speed that hydraulic oil enters the first feed pathway can be reduced
Degree, ensures susceptibility of the cup-shaped guiding valve to the pressure of hydraulic oil.
Preferably, needle-valve is solenoid valve, it includes return spring and spool, and one end of return spring is fixed on liquid and is led to
On the inner wall in road, the other end of return spring is fixed with spool, and the inner wall of fluid passage is equipped with the first valve seat, the first valve seat
Middle part is equipped with the bellmouth coordinated with spool.Needle-valve can people in order to control, opened when needing.
Preferably, spool includes the valve core head of taper and columnar gland, gland are extend into return spring, return
The end of position spring is resisted against the right flank of valve core head, and the left end of valve core head, which is extend into bellmouth, blocks fluid passage.It is convenient
It is fixed, dismounting and replacement.
Preferably, fluid passage is connected with cup-shaped guiding valve, connected entrance is located on the left of the left end end of needle-valve.Low pressure oil into
Enter the pressure inside and outside cup-shaped guiding valve internal balance cup-shaped guiding valve.
Preferably, further including the second valve seat coordinated with cup-shaped guiding valve outer bottom, the outer bottom of cup-shaped guiding valve is truncated cone-shaped, the
Two valve seats are equipped with the inclined-plane with cup-shaped guiding valve outer bottom fitted seal.Both are close to by inclined-plane to ensure sealing effect.
Preferably, the both sides of fluid passage are equipped with dismountable body cap, right side is fixed in the right end end of needle-valve
Body cap end.The body cap of both sides is easy to disassemble, to take out the needle-valve of inside.
Preferably, the first feed pathway includes two parts, diameter is less and less from top to bottom and is in for a part for downside
70 ° are obliquely installed, and a part for upside is vertically arranged and diameter is constant.
Present invention employs above scheme to have the advantages that：
The present invention coordinates compression spring to provide thrust for cup-shaped guiding valve by pressure regulator, coil and permanent-magnet block, ensures
The closing of valve, avoids return spring from using its elastic force of deformation effect long afterwards and leads to so as to cause low pressure oil to flow directly into oil return
Road；Low pressure oil enters the pressure inside and outside cup-shaped guiding valve internal balance cup-shaped guiding valve；Body cap is detachable, facilitates the installation of needle-valve；
Minor diameter through hole between two feed pathways can reduce the speed that hydraulic oil enters the first feed pathway, ensure cup-shaped guiding valve pair
The susceptibility of the pressure of hydraulic oil；Needle-valve effectively can prevent hydraulic oil from flowing back.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of needle-valve upper valve core.
The toponym that each number designation is referred in attached drawing is as follows：1-the first feed pathway, the 2-the second feed pathway,
3-fluid passage, 4-drainback passage, 5-needle-valve, 51-return spring, 52-valve core head, 53-gland, 6-through hole,
7-cup-shaped guiding valve, 8-hot-wire coil, 9-compression spring, 10-fixed column, the 11-the first valve seat, the 12-the second valve seat, 13-
Body cap, 14-body cap.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Commercial car unloading valve, as Figure 1-Figure 2, commercial car unloading valve, it includes valve body, and valve body is equipped with the first feed liquor
Passage 1, the second feed pathway 2, fluid passage 3, drainback passage 4, the first feed pathway 1 include two parts, a part for downside
Diameter is less and less from top to bottom and is obliquely installed in 70 °, and a part for upside is vertically arranged and diameter is constant, fluid passage 3
Connected respectively with the first feed pathway 1, drainback passage 4, the needle-valve blocked fluid passage 3 with connecting is equipped with fluid passage 3
5, the second feed pathway 2 is connected with the first feed pathway 1 by through hole 6, a diameter of 30mm of through hole 6, the second feed pathway 2 with
Drainback passage 4, which is connected and is equipped with connectivity part, to be used to connecting both into the control valve with blocking；Control valve includes 7 He of cup-shaped guiding valve
Hot-wire coil 8, valve interior wall are equipped with cricoid fixed column 10, and the lower end of fixed column 10 extend into the inside of cup-shaped guiding valve 7, are powered
Coil 8 is wound in fixed column 10, and the interior bottom of cup-shaped guiding valve 7 is equipped with the permanent-magnet block coordinated with hot-wire coil 8, further includes
Compression spring 9, the top of compression spring 9 extend into the inside of fixed column 10 and are fixed on inner top surface, and the bottom of compression spring 9 is consolidated
Due to the inner bottom surface of cup-shaped guiding valve 7, part of the hot-wire coil 8 outside valve body is connected with pressure regulator and power supply.
Needle-valve 5 is solenoid valve, it includes return spring 51 and spool, and fluid passage 3 is fixed in one end of return spring 51
Inner wall on, the other end of return spring 51 is fixed with spool, and the inner wall of fluid passage 3 is equipped with the first valve seat 11, the first valve
The middle part of seat 11 is equipped with the bellmouth coordinated with spool.
Spool includes the valve core head 52 and columnar gland 53 of taper, and gland 53 is extend into return spring 51, returns
The end of position spring 51 is resisted against the right flank of valve core head 52, and the left end of valve core head 52, which is extend into bellmouth, blocks fluid passage
3。
Fluid passage 3 is connected with cup-shaped guiding valve 7, and connected entrance is located on the left of the left end end of needle-valve 5.
Further include the second valve seat 12 coordinated with 7 outer bottom of cup-shaped guiding valve, the outer bottom of cup-shaped guiding valve 7 is truncated cone-shaped, the second valve
Seat 12 is equipped with the inclined-plane with 7 outer bottom fitted seal of cup-shaped guiding valve.
The both sides of fluid passage are equipped with dismountable body cap, and the body cap end on right side is fixed in the right end end of needle-valve 5
Portion.13,14 do left side, the body cap on right side respectively in Fig. 1.
Claims (7)
1. commercial car unloading valve, it includes valve body, and valve body is equipped with the first feed pathway (1), the second feed pathway (2), liquid
Passage (3), drainback passage (4), it is characterised in that：Fluid passage (3) connects with the first feed pathway (1), drainback passage (4) respectively
It is logical, be equipped with fluid passage (3) and fluid passage (3) blocked into needle-valve (5) with connecting, the second feed pathway (2) and first into
Liquid passage (1) is connected by through hole (6), and a diameter of 30mm of through hole (6), the second feed pathway (2) is connected with drainback passage (4)
And it is equipped with connectivity part and is used to connecting both into the control valve with blocking；Control valve includes cup-shaped guiding valve (7) and hot-wire coil
(8), valve interior wall is equipped with cricoid fixed column (10), and the lower end of fixed column (10) extend into the inside of cup-shaped guiding valve (7), is powered
Coil (8) is wound in fixed column (10), and the interior bottom of cup-shaped guiding valve (7) is equipped with the permanent magnet coordinated with hot-wire coil (8)
Block, further includes compression spring (9), and the top of compression spring (9) extend into the inside of fixed column (10) and is fixed on inner top surface, pressure
The inner bottom surface of cup-shaped guiding valve (7) is fixed in the bottom of power spring (9), and part of the hot-wire coil (8) outside valve body is connected with pressure regulation
Device and power supply.
2. commercial car unloading valve according to claim 1, it is characterised in that：Needle-valve (5) is solenoid valve, it includes return bullet
Spring (51) and spool, one end of return spring (51) are fixed on the inner wall of fluid passage (3), the other end of return spring (51)
Spool is fixed with, the inner wall of fluid passage (3) is equipped with the first valve seat (11), and the middle part of the first valve seat (11) is equipped with matches somebody with somebody with spool
The bellmouth of conjunction.
3. commercial car unloading valve according to claim 2, it is characterised in that：Spool includes the valve core head (52) and column of taper
The gland (53) of shape, gland (53) are extend into return spring (51), and the end of return spring (51) is resisted against valve core head
(52) right flank, the left end of valve core head (52), which is extend into bellmouth, blocks fluid passage (3).
4. commercial car unloading valve according to claim 1, it is characterised in that：Fluid passage (3) connects with cup-shaped guiding valve (7)
Logical, connected entrance is located on the left of the left end end of needle-valve (5).
5. commercial car unloading valve according to claim 1, it is characterised in that：Further include and coordinate with cup-shaped guiding valve (7) outer bottom
The second valve seat (12), the outer bottom of cup-shaped guiding valve (7) is truncated cone-shaped, and the second valve seat (12) is equipped with and cup-shaped guiding valve (7) outer bottom
The inclined-plane of fitted seal.
6. commercial car unloading valve according to claim 1, it is characterised in that：The both sides of fluid passage are equipped with dismountable valve
The body cap end on right side is fixed in body lid, the right end end of needle-valve (5).
7. commercial car unloading valve according to claim 1, it is characterised in that：First feed pathway (1) includes two parts, under
Diameter is less and less from top to bottom and is obliquely installed in 70 ° for a part for side, and a part for upside is vertically arranged and diameter is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013725.4A CN107989838A (en) | 2017-10-26 | 2017-10-26 | Commercial car unloading valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013725.4A CN107989838A (en) | 2017-10-26 | 2017-10-26 | Commercial car unloading valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107989838A true CN107989838A (en) | 2018-05-04 |
Family
ID=62030116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013725.4A Pending CN107989838A (en) | 2017-10-26 | 2017-10-26 | Commercial car unloading valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107989838A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895908Y (en) * | 2006-04-07 | 2007-05-02 | 青岛金宁塑料模具有限公司 | Energy-saving type automatic water valve |
| CN203614485U (en) * | 2013-10-23 | 2014-05-28 | 宁波明启液压机械有限公司 | Overflow valve |
| CN204004629U (en) * | 2014-09-05 | 2014-12-10 | 河谷（佛山）汽车润滑***制造有限公司 | A kind of pressure-relief valve |
| CN107176154A (en) * | 2017-06-07 | 2017-09-19 | 浙江科力车辆控制***有限公司 | Commercial car combined type feather valve |
-
2017
- 2017-10-26 CN CN201711013725.4A patent/CN107989838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895908Y (en) * | 2006-04-07 | 2007-05-02 | 青岛金宁塑料模具有限公司 | Energy-saving type automatic water valve |
| CN203614485U (en) * | 2013-10-23 | 2014-05-28 | 宁波明启液压机械有限公司 | Overflow valve |
| CN204004629U (en) * | 2014-09-05 | 2014-12-10 | 河谷（佛山）汽车润滑***制造有限公司 | A kind of pressure-relief valve |
| CN107176154A (en) * | 2017-06-07 | 2017-09-19 | 浙江科力车辆控制***有限公司 | Commercial car combined type feather valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |