CN104653820B - A kind of Miniature digging machine multi-way valve - Google Patents
A kind of Miniature digging machine multi-way valve Download PDFInfo
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- CN104653820B CN104653820B CN201510114465.4A CN201510114465A CN104653820B CN 104653820 B CN104653820 B CN 104653820B CN 201510114465 A CN201510114465 A CN 201510114465A CN 104653820 B CN104653820 B CN 104653820B
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- China
- Prior art keywords
- valve body
- automatic
- manual
- opening
- automatic reverse
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
Abstract
The invention discloses a kind of Miniature digging machine multi-way valves, including passing through the two oil inlet valve bodies of bolt assembled in series together, seven automatic reverse valve bodies, two manual reverse of direction valve bodies and an oil return valve body, first oil inlet valve body, first automatic reverse valve body, second automatic reverse valve body, third automatic reverse valve body and first manual commutation valve body are sequentially connected to the side of oil return valve body, second oil inlet valve body, 4th automatic reverse valve body, 5th automatic reverse valve body, 6th automatic reverse valve body, 7th automatic reverse valve body and the second manual reverse of direction valve body are sequentially connected to the other side of oil return valve body.The present invention is by integrating multiple commutation valve bodies, the demand of various motion function needed for realizing a multi-way valve Miniature digging machine can be completed, reduce original part, it reduces costs, easy to carry, installation and application, and the control oil circuit of each commutation valve body on oil return valve body both sides is respectively independent, is independent of each other and interferes, fully meets host requirement.
Description
Technical field
The present invention relates to a kind of multi-way valves, more particularly to a kind of Miniature digging machine multi-way valve compact-sized, integrated level is high.
Background technique
Multi-way valve is the combination valve being composed of multiple single valve bodies, for carrying out the control of oil circuit on-off to multiple control objects
System.The oil circuit that the depth development of industry causes every profession and trade to need to control is more and more, changes also increasing, existing multi-way valve production
Product are difficult to realize new application demand.
For example, a kind of 1.5T mini-excavator occurred currently on the market, needs multiple oil circuits to realize the control of multiple functions
System, concrete function is as follows: swing arm, shoveling, dipper, left lateral walk, swing arm, scraper bowl, revolution, spare, right lateral are walked, and required left and right
Travelling control mode be it is manual, remaining action control mode be hydraulic control.It currently on the market can be together without corresponding multi-way valve
Realize these functions, so the control of independent on-off can only be realized respectively with multiple single valve bodies, so not only occupied space it is big, at
This height is difficult to operate, and it is not ideal enough to control precision.In addition, traditional commutation valve body, internal control slide valve each
Hatch frame is an annular opening, without other supplementary structures, so its precision for controlling flow is not high enough, fretting performance
Deficiency will appear control error in the application.
Summary of the invention
The object of the invention is that solve the above-mentioned problems and provide it is a kind of it is compact-sized, integrated level is high, control is smart
True Miniature digging machine multi-way valve.
The present invention through the following technical solutions to achieve the above objectives:
A kind of Miniature digging machine multi-way valve, including by bolt assembled in series two oil inlet valve bodies together, seven from
Move to valve body, two manual reverse of direction valve bodies and an oil return valve body, wherein the pressure oil port of the first oil inlet valve body is successively with
The pressure oil port of one automatic reverse valve body, the pressure oil port of the second automatic reverse valve body, third automatic reverse valve body pressure oil
Mouthful and first manual commutation valve body pressure oil port be correspondingly connected with, the oil return opening of the first automatic reverse valve body successively with it is described
The oil return opening of second automatic reverse valve body, the oil return opening of the third automatic reverse valve body and first manual commutation valve body
Oil return opening is correspondingly connected with；The pressure oil port of second oil inlet valve body successively with the pressure oil port of the 4th automatic reverse valve body, the 5th from
Move the pressure oil port to valve body, the pressure oil port of the 6th automatic reverse valve body, the pressure oil port of the 7th automatic reverse valve body and
The pressure oil port of second manual reverse of direction valve body is correspondingly connected with, and the oil return opening of the 4th automatic reverse valve body is successively with the described 5th
The oil return opening of automatic reverse valve body, the 6th automatic reverse valve body oil return opening, the 7th automatic reverse valve body oil return
The oil return opening of mouth and the second manual reverse of direction valve body is correspondingly connected with；The oil return opening of first manual commutation valve body and described the
Oil return opening of the oil return opening of two manual reverse of direction valve bodies with the oil return valve body is correspondingly connected with.
In above structure, automatic reverse valve body and manual reverse of direction valve body are liquid controlled reversing valve body, the former is using automatic control
Mode processed, the latter use manual control mode；By multiple automatic reverse valve bodies, multiple manual reverse of direction valve bodies, oil inlet valve body and return
Oil valve body integrates, and is able to satisfy the multiple functions demand of Miniature digging machine, specifically, the first automatic reverse valve body, second
Automatic reverse valve body, third automatic reverse valve body, first manual commutation valve body, the second manual reverse of direction valve body, the 4th automatic reverse
Valve body, the 5th automatic reverse valve body, the 6th automatic reverse valve body, the 7th automatic reverse valve body respectively correspond the pendulum of Miniature digging machine
Arm, shoveling, dipper, left lateral is walked, right lateral is walked, swing arm, scraper bowl, revolution, standby functions.
In order to propose high control precision, the circumferential wall of three opening two sides of the automatic control slide valve of the automatic reverse valve body
On be equipped with self-choke slot, the self-choke slot is communicated with the corresponding opening；The valve body of the automatic reverse valve body
The interior eight automatic runners for being equipped with main oil gallery corresponding and with this valve body with automatic control three openings of slide valve and communicating
Slot, wherein the automatic flow path groove of intermediate two and the opening automatically controlled among slide valve communicate, and each three of both sides
The automatic flow path groove is communicated with the opening for automatically controlling slide valve both sides respectively.
Preferably, it is uniformly provided with four self-choke slots respectively in the circumferential wall of each opening two sides.
Further, in three openings for manually controlling slide valve of the manual reverse of direction valve body, the circle for the two sides that are open among it
Manual throttle slot is equipped on peripheral wall and in the circumferential wall of both sides opening inner side, the manual throttle slot and the corresponding opening
It communicates；Be equipped in the valve body of the manual reverse of direction valve body it is corresponding with three openings for manually controlling slide valve and with this valve body
Eight manual flow path grooves communicating of main oil gallery, wherein the manual flow path groove of intermediate two and described manually control slide valve
Intermediate opening communicates, each three manual flow path grooves on both sides respectively with the opening phase for manually controlling slide valve both sides
It is logical.
Preferably, in the circumferential wall of the middle opening two sides for manually controlling slide valve and the circumferential wall of both sides opening inner side
It is upper to be uniformly provided with four manual throttle slots respectively.
Illustrate: above-mentioned self-choke slot and manual throttle slot are the throttling channel that structure is consistent but size may be different, preceding
Face using names is to distinguish automatic reverse valve body and the intracorporal component names of hand-operated direction valve automatically and manually；Accordingly
Ground automatically controls slide valve and manually controls slide valve, and automatic flow path groove and manual flow path groove are also identical reason.
The beneficial effects of the present invention are:
The present invention by integrating multiple commutation valve bodies, realize a multi-way valve can be completed it is a variety of needed for Miniature digging machine
The demand of holding function, reduces original part, reduces costs, easy to carry, installation and application, and uses two oil inlet valve bodies
With the structure of an oil return valve body, the control oil circuit of each commutation valve body on oil return valve body both sides is respectively independent, is independent of each other and does
It disturbs, fully meets host requirement；By the way that throttling channel is arranged on the spool control valve of commutation valve body, and setting and control in this valve body
The corresponding multiple flow path grooves of the opening of slide valve processed, so that the accurate control of each commutation i.e. each holding function of valve body is realized, it is both sharp
In the accurate control of equipment operation, and the utilization rate of main engine power is improved, realizes energy-efficient purpose.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of Miniature digging machine multi-way valve of the present invention；
Fig. 2 is the left view structural representation of Miniature digging machine multi-way valve of the present invention；
Fig. 3 is that structural schematic diagram cuts open in the office of the automatic control slide valve of automatic reverse valve body of the present invention；
Fig. 4 is that structural schematic diagram cuts open in the office of the automatic control slide valve of manual reverse of direction valve body of the present invention；
Fig. 5 is the schematic cross-sectional view of automatic reverse valve body and manual reverse of direction valve body of the present invention, is not shown in the figure
Spool control valve；
Fig. 6 is that the slide valve of the present invention that manually controls is placed in the intracorporal schematic cross-sectional view of the hand-operated direction valve.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As depicted in figs. 1 and 2, Miniature digging machine of the present invention includes passing through 13 bolt assembled in series together with multi-way valve
The first oil inlet valve body 1, the second oil inlet valve body 12, the first automatic reverse valve body 2, the second automatic reverse valve body 3, third is from moving
To valve body 4, the 4th automatic reverse valve body 11, the 5th automatic reverse valve body 10, the 6th automatic reverse valve body 9, the 7th automatic reverse
Valve body 8, first manual commutation valve body 5, the second manual reverse of direction valve body 7 and an oil return valve body 6, wherein the first oil inlet valve body 1
Pressure oil port successively with the pressure oil port of the first automatic reverse valve body 2, the pressure oil port of the second automatic reverse valve body 3, third from
Move and is correspondingly connected with to the pressure oil port of the pressure oil port 4 and first manual of valve body commutation valve body 5, the first automatic reverse valve body 2
Oil return opening successively with the oil return opening of the second automatic reverse valve body 3, third automatic reverse valve body 4 oil return opening and first-hand move
It is correspondingly connected with to the oil return opening of valve body 5；The pressure oil port of the second oil inlet valve body 12 successively pressure with the 4th automatic reverse valve body 11
Power hydraulic fluid port, the pressure oil port of the 5th automatic reverse valve body 10, the pressure oil port of the 6th automatic reverse valve body 9, the 7th automatic reverse
The pressure oil port of valve body 8 and the pressure oil port of the second manual reverse of direction valve body 7 are correspondingly connected with, the oil return of the 4th automatic reverse valve body 11
Mouth successively oil return opening, the 7th automatic reverse valve body with the oil return opening of the 5th automatic reverse valve body 10, the 6th automatic reverse valve body 9
The oil return opening of 8 oil return opening and the second manual reverse of direction valve body 7 is correspondingly connected with；The oil return opening and second of first manual commutation valve body 5
Oil return opening of the oil return opening of manual reverse of direction valve body 7 with oil return valve body 6 is correspondingly connected with.
As shown in figure 3, the circumference of three 15 two sides of opening of the automatic control slide valve 14 of above-mentioned all automatic reverse valve bodies
Four self-choke slots 16 are uniformly provided on wall respectively, the size of different self-choke slots 16 can be identical or different, specifically
Depending on as needed, self-choke slot 16 is communicated with corresponding opening 15；As shown in Figure 3 and Figure 5, the valve body of automatic reverse valve body
Eight automatic streams that are corresponding with three openings 15 of slide valve are automatically controlled and communicating with the main oil gallery of this valve body 20 are equipped in 20
Road slot 21, wherein the automatic flow path groove 21 of intermediate two is communicated with the opening 15 automatically controlled among slide valve 14, and each the three of both sides
A automatic flow path groove 21 is communicated with the opening 15 for automatically controlling 14 both sides of slide valve respectively.This structure is similar to hand shown in fig. 6
Dynamic structure of the spool control valve 17 in this valve body 22, since the two structure is consistent, so automatic control slide valve is not shown in figure
14 structure in this valve body 20.
As shown in Figure 4, Figure 5 and Figure 6, three openings 18 for manually controlling slide valve 17 of above-mentioned two manual reverse of direction valve body
In, it is open in the circumferential wall in the circumferential wall of 18 two sides and on the inside of both sides opening 18 among it and is uniformly provided with four sections manually respectively
Chute 19, manual throttle slot 19 are communicated with corresponding opening 18；It is equipped in the valve body 22 of manual reverse of direction valve body and manually controls cunning
Three of valve 17 openings 18 are corresponding and eight manual flow path grooves 23 communicating with the main oil gallery of this valve body 22, wherein intermediate
Two manual flow path grooves 23 are communicated with the opening 18 manually controlled among slide valve 17, and the manual flow path groove 23 of each three of both sides is distinguished
It is communicated with the opening 18 for manually controlling 17 both sides of slide valve.
Illustrate: the structure of the valve body 22 of the valve body 20 and manual reverse of direction valve body of above-mentioned automatic reverse valve body, in addition to inside
It is different with the structure for manually controlling slide valve 17 outer to automatically control slide valve 14, other structures are identical.
As shown in Figure 1, in use, the P1 mouth of the oil outlet of first pressure oil pump (not shown) and the first oil inlet valve body 1
Connection, the oil outlet of second pressure oil pump (not shown) are connect with the P2 mouth of the second oil inlet valve body 12, the T mouth of oil return valve body 6
It is connect with oil return fuel tank (not shown), the first automatic reverse valve body 2, the second automatic reverse valve body 3, third automatic reverse valve body
4, first manual commutation valve body 5, the second manual reverse of direction valve body 7, the 7th automatic reverse valve body 8, the 6th automatic reverse valve body 9, the
Five automatic reverse valve bodies 10, A1~A9 of the 4th automatic reverse valve body 11, B1~B9 interface respectively with each movement of Miniature digging machine
Function oil duct interface is correspondingly connected with, and manually controls function by the automatic control of each automatic reverse valve body and each manual reverse of direction valve body
Can, realize the swing arm of Miniature digging machine, shoveling, dipper, left lateral are walked, right lateral is walked, swing arm, scraper bowl, revolution, standby functions correspondence
Control, completes the various actions function of Miniature digging machine.
Above-described embodiment is presently preferred embodiments of the present invention, is not a limitation on the technical scheme of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into the invention patent
Rights protection scope in.
Claims (4)
1. a kind of Miniature digging machine multi-way valve, including by bolt assembled in series two oil inlet valve bodies together, seven it is automatic
Commutate valve body, two manual reverse of direction valve bodies and an oil return valve body, wherein the pressure oil port of the first oil inlet valve body is successively with first
The pressure oil port of automatic reverse valve body, the pressure oil port of the second automatic reverse valve body, the pressure oil port of third automatic reverse valve body
It is correspondingly connected with the pressure oil port of first manual commutation valve body, the oil return opening of the first automatic reverse valve body is successively with described the
Time of the oil return opening of two automatic reverse valve bodies, the oil return opening of the third automatic reverse valve body and first manual commutation valve body
Hydraulic fluid port is correspondingly connected with；The pressure oil port of second oil inlet valve body successively with the pressure oil port of the 4th automatic reverse valve body, the 5th automatic
Commutate the pressure oil port of valve body, the pressure oil port of the 6th automatic reverse valve body, the pressure oil port of the 7th automatic reverse valve body and the
The pressure oil port of two manual reverse of direction valve bodies is correspondingly connected with, the oil return opening of the 4th automatic reverse valve body successively with the described 5th from
Move the oil return opening of the oil return opening to valve body, the oil return opening of the 6th automatic reverse valve body, the 7th automatic reverse valve body
It is correspondingly connected with the oil return opening of the second manual reverse of direction valve body；The oil return opening and described second of the first manual commutation valve body
Oil return opening of the oil return opening of manual reverse of direction valve body with the oil return valve body is correspondingly connected with；
It is characterized by: being equipped with certainly in the circumferential wall of three opening two sides of the automatic control slide valve of the automatic reverse valve body
Dynamic throttling channel, the self-choke slot are communicated with the corresponding opening；It is equipped with and institute in the valve body of the automatic reverse valve body
It states and automatically controls eight automatic flow path grooves that three corresponding and with this valve body main oil gallerys of opening of slide valve communicate, wherein in
Between two automatic flow path grooves and it is described automatically control slide valve among opening communicate, each three automatic streams on both sides
Road slot is communicated with the opening for automatically controlling slide valve both sides respectively.
2. Miniature digging machine multi-way valve according to claim 1, it is characterised in that: the circumference of each opening two sides
Four self-choke slots are uniformly provided on wall respectively.
3. Miniature digging machine multi-way valve according to claim 1 or 2, it is characterised in that: the hand of the manual reverse of direction valve body
In three openings of dynamic spool control valve, it is open in the circumferential wall of two sides and is equipped in the circumferential wall of both sides opening inner side among it
Manual throttle slot, the manual throttle slot are communicated with the corresponding opening；Be equipped in the valve body of the manual reverse of direction valve body with
Eight manual flow path grooves that three corresponding and with this valve body main oil gallerys of opening for manually controlling slide valve communicate, wherein
Intermediate two manual flow path grooves and the opening manually controlled among slide valve communicate, and each three of both sides are described manually
Flow path groove is communicated with the opening for manually controlling slide valve both sides respectively.
4. Miniature digging machine multi-way valve according to claim 3, it is characterised in that: open the centre for manually controlling slide valve
It is uniformly provided with four manual throttle slots respectively in the circumferential wall of mouth two sides and in the circumferential wall of both sides opening inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114465.4A CN104653820B (en) | 2015-03-17 | 2015-03-17 | A kind of Miniature digging machine multi-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114465.4A CN104653820B (en) | 2015-03-17 | 2015-03-17 | A kind of Miniature digging machine multi-way valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653820A CN104653820A (en) | 2015-05-27 |
| CN104653820B true CN104653820B (en) | 2019-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510114465.4A Active CN104653820B (en) | 2015-03-17 | 2015-03-17 | A kind of Miniature digging machine multi-way valve |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890448Y (en) * | 2005-12-08 | 2007-04-18 | 常德信诚液压有限公司 | Hydraulic combined control valve |
| CN200952148Y (en) * | 2006-09-27 | 2007-09-26 | 张思学 | Double-dividing interflowing multipath valve |
| CN202152768U (en) * | 2011-08-04 | 2012-02-29 | 上海强田流体技术有限公司 | Internally-controlled automatic converging multiway valve |
| CN102506030B (en) * | 2011-09-26 | 2014-11-19 | 三一重型装备有限公司 | Multi-way valve and tunnel boring machine |
| US9810244B2 (en) * | 2012-07-19 | 2017-11-07 | Volvo Construction Equipment Ab | Flow control valve for construction machinery |
| CN203202304U (en) * | 2013-03-27 | 2013-09-18 | 浙江海宏液压科技股份有限公司 | Multifunctional forklift multi-way valve |
| CN203258106U (en) * | 2013-05-06 | 2013-10-30 | 北京华德液压工业集团有限责任公司 | Direct-acting proportional reversing valve |
| CN204512531U (en) * | 2015-03-17 | 2015-07-29 | 泸州精通流体液压机械有限公司 | A kind of Miniature digging machine multi-way valve |
-
2015
- 2015-03-17 CN CN201510114465.4A patent/CN104653820B/en active Active
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| CN104653820A (en) | 2015-05-27 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190819 Address after: 646000 Centralized Development Zone of Machinery Industry in Jiangyang District, Luzhou City, Sichuan Province Applicant after: Luzhou Zhuoyuan Hydraulic Co., Ltd. Address before: 646000 Luzhou Machinery Industry Centralized Development Zone, Luzhou City, Sichuan Province Applicant before: Fluid press mechanical pressing Co., Ltd is proficient in Luzhou |
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