CN102011760A - Novel integrated in-series multitandem valve assembly - Google Patents
Novel integrated in-series multitandem valve assembly Download PDFInfo
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- CN102011760A CN102011760A CN2010105782844A CN201010578284A CN102011760A CN 102011760 A CN102011760 A CN 102011760A CN 2010105782844 A CN2010105782844 A CN 2010105782844A CN 201010578284 A CN201010578284 A CN 201010578284A CN 102011760 A CN102011760 A CN 102011760A
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Abstract
The invention discloses a novel integrated in-series multitandem valve assembly, belonging to the field of hydraulic elements, comprising a shell, an overflow valve and a conversion valve; the shell is integral; the overflow valve is a direct-acting valve; the conversion valve is a rotary valve; the oil path system of the multitandem valve assembly is in-series type; and the multitandem valve assembly is further provided with a pressure meter. The multitandem valve shell is designed to be integral and other components are all assembled on the shell so that the sealing performance of the multitandem valve assembly is better and the oil is not easy to leak; a rotary valve structure comprising a three position four-way valve core, a three position three-way valve core and an operating rod is adopted to connect the oil paths in series, and simultaneously, the oil path conversion is easier and more convenient; a direct-acting overflow valve is adopted, thus the structure is simple, the sensitivity is better, the safety performance is more reliable, and the performance is more eminent; the multitandem valve can not stop working due to some fine dusts; and a pressure meter is installed on the multitandem valve shell so that the information of the oil path such as oil pressure can be easily obtained.
Description
Technical field
The present invention relates to a kind of hydraulic element device, relate in particular to a kind of multi-way valve assembly.
Background technique
The hydraulic circuit part of present tractor generally is provided with a multi-way valve assembly, and the multi-way valve operating handle is arranged on the multi-way valve assembly, the conversion of the control oil channel of using, thus realize the lifting of trailer and the switch of rear-guard.Present common multi-way valve assembly, its structure is: the switching valve etc. that comprises housing and be used for the control oil channel oil pressure and guarantee the relief valve of oil circuit safety and be used to adjust oil circuit has an adjusting screw rod that is used to regulate multi-way valve assembly oil pressure on relief valve.
Present multi-way valve assembly, there are following shortcomings: the one, because the housing of present multi-way valve assembly generally is formed by connecting by four parts, the oil circuit of the inside is parallel, two oil-feed interfaces are arranged, oil is to be divided into two oil circuits, so be easy to oil leakage phenomenon occur in each part joint; The 2nd, relief valve is a pilot operated compound relief valve, and this relief valve sensitivity and corresponding speed are lower, usually causes multi-way valve to quit work because of some thin slags, influences multi-way valve work, causes potential safety hazard; The 3rd, switching valve is generally sleeve valve, and this switching valve can not be realized the oil circuit series connection on the one hand, on the other hand when operation owing to be to endwisely slip, so require great effort very much operating difficulties during the conversion oil circuit; The 4th, because present multi-way valve assembly do not have pressure gauge, thus be difficult to check the oil pressure of multi-way valve assembly, or be in time to find fault when oil circuit goes wrong.
Summary of the invention
Goal of the invention of the present invention is: at the problem of above-mentioned existence, provide a kind of novel multi-way valve assembly safe and convenient to use.
The technical solution used in the present invention is such: a kind of novel overall formula series connection multi-way valve assembly, comprise housing, relief valve and switching valve, and described housing is an integral body.
As preferably: described relief valve is a direct-acting overflow valve.
As preferably: described switching valve is a rotary valve.
As further preferred: described rotary valve is two groups, and one group is connected to form by multi-way valve operating handle a and 3-position 4-way spool, and another group is connected to form by multi-way valve operating handle b and 3-position-3-way spool.
Further: on the described housing, the both sides of multi-way valve operating handle a are provided with position-limited lever, on the housing, the both sides of multi-way valve operating handle b also are provided with position-limited lever.
As preferably: the oil-way system of described multi-way valve assembly is a tandem.
As preferably: also be provided with pressure gauge, described pressure gauge is positioned on the housing, and is connected with oil-way system in the housing.
Its working principle is: come out in the gear pump oil, after the filler opening oil-feed, a controls the 3-position 4-way spool by the multi-way valve operating handle, thereby realize stopping of rear-guard, conversion between moving forward and backward, b controls the 3-position-3-way spool by the multi-way valve operating handle, thereby realizes the lifting of trailer and stopping of arbitrary position, position-limited lever is used for controlling the pivotal position of multi-way valve operating handle, and pressure gauge can easily detect information such as oil circuit oil pressure.
Whole oil-way system is: oil is entered by filler opening, by 3-position 4-way spool (3-position 4-way spool place control rear-guard switch), again by 3-position-3-way spool (lifting of 3-position-3-way spool place control trailer), then from the return opening oil return, be that whole multi-way valve assembly only is provided with a filler opening and an oil outlet, realize the series connection of oil circuit.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows: the one, be an integral body because the multi-way valve case design is become, other parts all install at this on the whole, make like this and multi-way valve assembly better tightness be not prone to oil leakage phenomenon; The 2nd, the rotary valve structure that adopts logical spool of 3-position 4-way spool and 3-position-3-way and operating stem to form, make oil circuit realize series connection, lighter more convenient when changing oil circuit simultaneously, the 3rd, adopt direct-acting overflow valve, simple in structure, sensitivity is higher, and Safety performance is more reliable, performance is more superior, can not cause multi-way valve to quit work because of some thin slags; The 4th, setting pressure table on the multi-way valve housing can easily detect information such as oil circuit oil pressure.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an oil-way system schematic representation of the present invention.
Mark among the figure: 1 is housing, and 2 is multi-way valve operating handle a, and 3 is the 3-position 4-way spool, 4 is position-limited lever, 5 is multi-way valve operating handle b, and 6 is the 3-position-3-way spool, and 7 is pressure gauge, A is a rear-guard oil circuit interface, B is the relief valve interface, and C is a trailer oil circuit interface, and D is the oil-feed interface, E is a rear-guard oil circuit interface, and F is the oil return interface.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
A kind of novel overall formula series connection multi-way valve assembly, comprise housing 1, direct-acting overflow valve and switching valve, wherein, housing 1 is an integral body, rotary valve is two groups, one group is connected to form by multi-way valve operating handle a2 and 3-position 4-way spool 3, another group is connected to form by multi-way valve operating handle b5 and 3-position-3-way spool 6, multi-way valve operating handle a2 and multi-way valve operating handle b5 are set up in parallel in housing 1 the same side, on the housing 1, the both sides of multi-way valve operating handle a2 are provided with position-limited lever 4, on the housing 1, the both sides of multi-way valve operating handle b5 also are provided with position-limited lever 4, also are provided with pressure gauge 7 above housing 1, and the oil-way system in pressure gauge 7 and the housing 1 is connected; Direct-acting overflow valve is provided with a multi-way valve oil pressure adjusting nut that is used to regulate multi-way valve assembly oil pressure, promptly can regulate the multi-way valve oil pressure by regulating the oil pressure adjusting nut;
In addition, as shown in Figure 2, also be provided with rear-guard oil circuit interface A, relief valve interface B, trailer oil circuit interface C, oil-feed interface D, rear-guard oil circuit interface E and oil return interface F on the housing 1, be used for connecting successively rear-guard oil circuit, direct-acting overflow valve, trailer oil circuit, oil inlet pipe, rear-guard oil circuit and return tube.
During operation, come out, after the filler opening oil-feed, control the rear-guard oil circuit by multi-way valve operating handle a2 rotation 3-position 4-way spool 3 in the gear pump oil, thus realize rear-guard stop the conversion between moving forward and backward; Control the trailer oil circuit by multi-way valve operating handle b5 rotation 3-position-3-way spool, thereby realize the lifting of trailer, position-limited lever is used for controlling the pivotal position of multi-way valve operating handle a2 and multi-way valve operating handle b5, and pressure gauge 7 can easily detect information such as oil circuit oil pressure; The oil pressure of the relief valve can regulate multi-way valve assembly at relief valve interface B place and assurance multi-way valve oil pressure are stable.
Claims (7)
1. a novel overall formula series connection multi-way valve assembly comprises housing, relief valve, switching valve, and it is characterized in that: described housing is an integral body.
2. a kind of novel overall formula series connection multi-way valve assembly according to claim 1, it is characterized in that: described relief valve is a direct-acting overflow valve.
3. a kind of novel overall formula series connection multi-way valve assembly according to claim 1, it is characterized in that: described switching valve is a rotary valve.
4. a kind of novel overall formula series connection multi-way valve assembly according to claim 3, it is characterized in that: described rotary valve is two groups, one group is connected to form by multi-way valve operating handle a and 3-position 4-way spool, and another group is connected to form by multi-way valve operating handle b and 3-position-3-way spool.
5. a kind of novel overall formula series connection multi-way valve assembly according to claim 4 is characterized in that: on the described housing, multi-way valve operating handle a both sides are provided with position-limited lever; On the housing, multi-way valve operating handle b both sides also are provided with position-limited lever.
6. a kind of novel overall formula series connection multi-way valve assembly according to claim 1, it is characterized in that: the oil-way system of described multi-way valve assembly is a tandem.
7. a kind of novel overall formula series connection multi-way valve assembly according to claim 1, it is characterized in that: also be provided with pressure gauge, described pressure gauge is positioned on the housing, and is connected with oil-way system in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105782844A CN102011760A (en) | 2010-12-08 | 2010-12-08 | Novel integrated in-series multitandem valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105782844A CN102011760A (en) | 2010-12-08 | 2010-12-08 | Novel integrated in-series multitandem valve assembly |
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| Publication Number | Publication Date |
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| CN102011760A true CN102011760A (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105782844A Pending CN102011760A (en) | 2010-12-08 | 2010-12-08 | Novel integrated in-series multitandem valve assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572800A (en) * | 2018-12-24 | 2019-04-05 | 内蒙古北方重型汽车股份有限公司 | Quarry tipper limiting steering mechanism |
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|---|---|---|---|---|
| CN2049642U (en) * | 1989-01-21 | 1989-12-20 | 机械电子部北京起重运输机械研究所 | Hydraulic system for scraper |
| CN2198432Y (en) * | 1994-05-28 | 1995-05-24 | 兖州市圣达液压机械制造厂 | Support leg multi-way valve |
| CN1560480A (en) * | 2004-03-08 | 2005-01-05 | 尚继良 | Integrated manual multiple directional control valve for lader |
| CN2849268Y (en) * | 2005-08-19 | 2006-12-20 | 许自进 | Monoblock multiple way reversing valve of loading machine |
| CN200958502Y (en) * | 2006-09-09 | 2007-10-10 | 许自进 | Integrated multi-path change valve of loader |
| CN101100200A (en) * | 2007-08-02 | 2008-01-09 | 王树革 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
| CN101104506A (en) * | 2007-08-01 | 2008-01-16 | 宝鸡石油机械有限责任公司 | Drilling machine module straight and curve passage mobile method and mobile device |
| CN101403222A (en) * | 2008-10-28 | 2009-04-08 | 常州科研试制中心有限公司 | Scraper |
| CN101428640A (en) * | 2008-12-18 | 2009-05-13 | 浙江杭叉工程机械集团股份有限公司 | Integrated diesel fork lift truck dynamic state signal load sensing hydraulic steering system |
| CN201916265U (en) * | 2010-12-08 | 2011-08-03 | 成都金海液压机具制造有限责任公司 | Novel integrated type series-connected multi-way valve assembly |
-
2010
- 2010-12-08 CN CN2010105782844A patent/CN102011760A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049642U (en) * | 1989-01-21 | 1989-12-20 | 机械电子部北京起重运输机械研究所 | Hydraulic system for scraper |
| CN2198432Y (en) * | 1994-05-28 | 1995-05-24 | 兖州市圣达液压机械制造厂 | Support leg multi-way valve |
| CN1560480A (en) * | 2004-03-08 | 2005-01-05 | 尚继良 | Integrated manual multiple directional control valve for lader |
| CN2849268Y (en) * | 2005-08-19 | 2006-12-20 | 许自进 | Monoblock multiple way reversing valve of loading machine |
| CN200958502Y (en) * | 2006-09-09 | 2007-10-10 | 许自进 | Integrated multi-path change valve of loader |
| CN101104506A (en) * | 2007-08-01 | 2008-01-16 | 宝鸡石油机械有限责任公司 | Drilling machine module straight and curve passage mobile method and mobile device |
| CN101100200A (en) * | 2007-08-02 | 2008-01-09 | 王树革 | Entirety type electric and manual hydraulic lifter for overturning driving cab |
| CN101403222A (en) * | 2008-10-28 | 2009-04-08 | 常州科研试制中心有限公司 | Scraper |
| CN101428640A (en) * | 2008-12-18 | 2009-05-13 | 浙江杭叉工程机械集团股份有限公司 | Integrated diesel fork lift truck dynamic state signal load sensing hydraulic steering system |
| CN201916265U (en) * | 2010-12-08 | 2011-08-03 | 成都金海液压机具制造有限责任公司 | Novel integrated type series-connected multi-way valve assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572800A (en) * | 2018-12-24 | 2019-04-05 | 内蒙古北方重型汽车股份有限公司 | Quarry tipper limiting steering mechanism |
| CN109572800B (en) * | 2018-12-24 | 2021-07-30 | 内蒙古北方重型汽车股份有限公司 | Steering limiting mechanism of mining dump truck |
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Application publication date: 20110413 |