CN203421223U - Multi-way plate valve - Google Patents
Multi-way plate valve Download PDFInfo
- Publication number
- CN203421223U CN203421223U CN201320538558.6U CN201320538558U CN203421223U CN 203421223 U CN203421223 U CN 203421223U CN 201320538558 U CN201320538558 U CN 201320538558U CN 203421223 U CN203421223 U CN 203421223U
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- Prior art keywords
- valve
- locking
- plug
- lock
- cover
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- Expired - Fee Related
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Abstract
The utility model discloses a multi-way plate valve. The multi-way plate valve is characterized in that a multi-way valve cavity is arranged in a valve body of the multi-way plate valve, and a valve stem, a double-lock hydraulic-control push rod, a rear plug and a plug-in lock valve are arranged in the multi-way valve cavity; the plug-in lock valve, the double-lock hydraulic-control push rod and the rear plug are sequentially arranged from the left to the right; the plug-in lock valve comprises a steel lock valve seat, a lock valve element, a lock valve sleeve and a return spring; a stepped inner cavity is arranged at the right end of the steel lock valve seat, the left end of the lock valve sleeve is inserted into the stepped inner cavity of the steel lock valve seat, a lock valve sleeve cavity is arranged inside the lock valve sleeve and is positioned at the left end of the lock valve sleeve, the lock valve element is arranged in the lock valve sleeve cavity, the left end of the return spring is abutted to the left end surface of the stepped inner cavity of the steel lock valve seat, and the right end of the return spring is abutted to the lock valve element. The multi-way plate valve has the advantages of good anti-pollution performance, good sealing performance, difficulty in internal leakage, convenience and speediness in repair and maintenance, and the like.
Description
Technical field
The utility model relates to a kind of multi-way valve, especially a kind of chip multi-way valve that is applicable to hydraulic system.
Background technique
DLS series chip multi-way valve is widely used on farm machinery, is mainly used for meeting the unidirectional locking of actuator.This multi-way valve is integrated in Pilot operated check valve in working body, compact structure, and operating life is high, has reduced the layout of hydraulic system pipeline simultaneously.Early stage Pilot operated check valve adopts nylon split-type structural.As shown in Figure 7, Pilot operated check valve comprises plug 16, position-limited lever 17, steel ball 18, nylon seat 19 and pad 20, and plug 16, position-limited lever 17, steel ball 18, nylon seat 19 and pad 20 set gradually from left to right.Nylon seat is to adopt nylon material to be made, and the ball conical surface in nylon seat matches with the sphere of steel ball.Because nylon material is partially soft, using the later stage to there will be conical surface card impurity phenomenon, make the cooperation between steel ball and nylon seat have gap, the tightness of cooperation is poor, thereby causes Pilot operated check valve to leak.And, on the left surface due to the plug of Pilot operated check valve, adopt straight groove 21, and be split type, cause maintenance difficult, therefore valve assembly also damages and is replaced.
Model utility content
The utility model is the deficiency existing in above-mentioned prior art for avoiding, and the chip that a kind of convenient mounting and clamping is quick, machining accuracy is high multi-way valve is provided, to avoid Pilot operated check valve to leak and for ease of maintenaince.
The utility model be technical solution problem by the following technical solutions.
Chip multi-way valve, its structural feature is to comprise valve body, valve rod, twin-lock hydraulic control push rod, rear plug and plug-in type locking-valve; In described valve body, be provided with multichannel valve pocket, within described valve rod, twin-lock hydraulic control push rod, rear plug and plug-in type locking-valve are all located at described multichannel valve pocket; Wherein, described plug-in type locking-valve, twin-lock hydraulic control push rod and rear plug set gradually from left to right;
Described plug-in type locking-valve comprises steel locking-valve seat, locking-valve core, locking-valve cover and Returnning spring; The right-hand member of described steel locking-valve seat is provided with stepped shaft inner chamber, the left part of described locking-valve cover is inserted in the stepped shaft inner chamber of described steel locking-valve seat, the inside of described locking-valve cover is provided with locking-valve cover valve pocket, described locking-valve cover valve pocket is positioned at the left end of described locking-valve cover, described locking-valve core is arranged in described locking-valve cover valve pocket, the left side of the stepped shaft inner chamber of the left end of described Returnning spring and described steel locking-valve seat connects, and the right-hand member of described Returnning spring and described locking-valve core connect.
The structural feature of chip multi-way valve of the present utility model is also:
The left end of described locking-valve core is provided with blind hole, within described blind hole is inserted from the left end of described locking-valve core in the right part of described Returnning spring and connect with the right side of described blind hole.
The outer circumferential face of the right part of described locking-valve core is taper.
On the left side of described steel locking-valve seat, be provided with interior hexagonal hole.
On the outer circumferential face of described steel locking-valve seat and on the described outer circumferential face that locking-valve is overlapped, be equipped with annular groove, in described annular groove, be provided with seal ring.
Described seal ring all adopts rubber seal.
Split hydraulic lock before integral plugged formula hydraulic lock replaces.Integral plugged formula hydraulic lock is combined in the working body of chip multi-way valve, is not only convenient to assembling, maintenance, more meaningful sealing and the life-span that is to improve the block of valve.
Compared with the prior art, the utility model beneficial effect is embodied in:
Chip multi-way valve of the present utility model, comprises valve body, valve rod, twin-lock hydraulic control push rod, rear plug and plug-in type locking-valve; Described plug-in type locking-valve comprises steel locking-valve seat, locking-valve core, locking-valve cover and Returnning spring.Plug-in type locking-valve is monolithic construction, and locking-valve seat adopts steel matter, and locking-valve core adopts cone valve structure, makes multi-way valve have very strong stain resistance, and hexagonal hole structure in the employing of plug-in type locking-valve rear end, installs and keep in repair very convenient.
Chip multi-way valve of the present utility model, has the sealing making between locking-valve core and locking-valve cover and is not subject to the advantages such as impact, the antifouling property of the impurity in hydraulic oil is good, good seal performance is difficult for internal leakage, maintenance maintenance is convenient and swift.
Accompanying drawing explanation
Fig. 1 is the structural drawing of chip multi-way valve of the present utility model.
Fig. 2 is the structural drawing when open mode of the plug-in type locking-valve of chip multi-way valve of the present utility model.
Fig. 3 is the plug-in type locking-valve of chip multi-way valve of the present utility model structural drawing when reverse anchor state (normal state).
Fig. 4 be chip multi-way valve of the present utility model when oil cylinder promotes state structural drawing of (plug-in type locking-valve is in open mode).
Fig. 5 is the valve rod of the chip multi-way valve of the present utility model structural drawing of (plug-in type locking-valve is in reverse anchor state) when oil cylinder meta state.
Fig. 6 is the valve rod (plug-in type locking-valve open mode) when oil cylinder decline state of chip multi-way valve of the present utility model) structural drawing.
Fig. 7 is the structural drawing of the multi-way valve of prior art.
Label in accompanying drawing 1～accompanying drawing 6: 1 valve body, 2 valve rods, 3 twin-lock hydraulic control push rods, 4 rear plugs, 5 plug-in type locking-valves, 6 steel locking-valve seats, 7 locking-valve cores, 8 locking-valve covers, 9 Returnning springs, 10 interior hexagonal holes, 11 seal rings, 12 first oilholes, 13 second oilholes, 14 actuator ports, 15 multichannel valve pockets, 16 plugs, 17 position-limited levers, 18 steel balls, 19 nylon seats, 20 pads, 21 straight groovees.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment
Referring to accompanying drawing 1～accompanying drawing 6, chip multi-way valve, it comprises valve body 1, valve rod 2, twin-lock hydraulic control push rod 3, rear plug 4 and plug-in type locking-valve 5; In described valve body 1, be provided with multichannel valve pocket 15, within described valve rod 2, twin-lock hydraulic control push rod 3, rear plug 4 and plug-in type locking-valve 5 are all located at described multichannel valve pocket 15; Wherein, described plug-in type locking-valve 5, twin-lock hydraulic control push rod 3 and rear plug 4 set gradually from left to right;
Described plug-in type locking-valve 5 comprises steel locking-valve seat 6, locking-valve core 7, locking-valve cover 8 and Returnning spring 9; The right-hand member of described steel locking-valve seat 6 is provided with stepped shaft inner chamber, the left part of described locking-valve cover 8 is inserted in the stepped shaft inner chamber of described steel locking-valve seat 6, the inside of described locking-valve cover 8 is provided with locking-valve cover valve pocket, described locking-valve cover valve pocket is positioned at the left end of described locking-valve cover 8, described locking-valve core 7 is arranged in described locking-valve cover valve pocket, the left side of the stepped shaft inner chamber of the left end of described Returnning spring 9 and described steel locking-valve seat 6 connects, and the right-hand member of described Returnning spring 9 and described locking-valve core 7 connect.
If Fig. 1 is the structural drawing of chip multi-way valve work valve block, the steel locking-valve seat of plug-in type locking-valve, locking-valve core, locking-valve cover and Returnning spring are the locking-valves of monolithic construction, between plug-in type locking-valve actuator port and multichannel valve pocket, owing to adopting plug-in type locking-valve to substitute Pilot operated check valve, the valve seat of plug-in type locking-valve adopts steel matter, locking-valve core adopts cone valve structure, and for making locking-valve, linear sealing can not affect because of the impurity in hydraulic oil the seal of locking-valve, thereby make multi-way valve there is good stain resistance, avoided multi-way valve to occur internal leakage phenomenon.
The left end of described locking-valve core 7 is provided with blind hole, within described blind hole is inserted from the left end of described locking-valve core 7 in the right part of described Returnning spring 9 and connect with the right side of described blind hole.
The outer circumferential face of the right part of described locking-valve core 7 is taper.Because locking-valve core is cylindrical surface with the face that described locking-valve cover matches, locking-valve core can be moved neatly in locking-valve cover, the flexibility that has improved multi-way valve.
On the left side of described steel locking-valve seat 6, be provided with interior hexagonal hole 10.The right-hand member of described steel locking-valve seat outer circumferential face is thread section, within locking-valve can being screwed in to the valve body of multi-way valve by thread section.Need repairing or during dismounting plug-in type locking-valve, outer hexagonal spanner is inserted can turn plug-in type locking-valve, locking-valve is screwed out to the valve body of multi-way valve, then plug-in type locking-valve overall pulling down can be carried out to maintenance maintenance, makes the dismounting of locking-valve easy to maintenance quick.
On the outer circumferential face of described steel locking-valve seat 6 and described to being equipped with annular groove on the outer circumferential face of locking-valve cover 8, in described annular groove, be provided with seal ring 11.
Described seal ring 11 all adopts rubber seal.Between plug-in type locking-valve and the inner chamber of valve body, by seal ring, seal, improved the sealability of multi-way valve.
As Fig. 1, in chip multi-way valve of the present utility model, plug-in type locking-valve is between actuator port 14 and multichannel valve pocket 15, by the break-make of plug-in type locking-valve, realize connection or disconnection between actuator port 14 and multichannel valve pocket 15, thereby realize the control of oil-feed, meta and the oil return state of oil cylinder.The rodless cavity of oil cylinder is connected with the actuator port 14 of chip multi-way valve by oil circuit, makes the rodless cavity fuel feeding that oil pump can be oil cylinder by chip multi-way valve, or the hydraulic oil in oil cylinder rodless cavity can pass through the oil return of chip multi-way valve.In Fig. 1～Fig. 5, identify alphabetical P part and represent that this place exists oil pressure.
In locking-valve cover periphery, be provided with the first oilhole 12 of locking-valve cover described in radial penetration, be provided with the second oilhole 13 of locking-valve core described in radial penetration in described locking-valve core periphery, the diameter of described the first oilhole 12 is larger than the diameter of the second oilhole 13.When locking-valve core moves right when the inner peripheral surface of locking-valve core right-hand member outer circumferential face (being described conical surface) and locking-valve cover is connected, plug-in type locking-valve, when reverse anchor state, is interconnected between described the first oilhole 12 and the second oilhole 13.The first oilhole 12 of locking-valve cover is to be connected all the time with actuator port 14.
As shown in Figure 2, plug-in type locking-valve, in open mode, is connected between actuator port 14 and multichannel valve pocket 15.On the right side of locking-valve cover, there is hydraulic oil to exist.Under the pressure of high pressure liquid force feed, the locking-valve core of plug-in type locking-valve is moved to the left, and Returnning spring is compressed, and the left end of locking-valve core withstands on the left side of stepped shaft inner chamber of steel locking-valve seat tightly.Now, between the inner chamber inner peripheral surface of the right-hand member outer circumferential face of locking-valve core and described locking-valve cover, be separated, between the actuator port 14 of multi-way valve and multichannel valve pocket 15, be now the locking-valve cover valve pocket by plug-in type locking-valve is connected.Multi-way valve is oil cylinder fuel feeding by actuator port 14.As shown in Figure 4, the valve rod of multi-way valve is in lifting state, and by multi-way valve, to oil cylinder fuel feeding, oil cylinder is in lifting state, now the open mode of plug-in type locking-valve in Fig. 2.The hydraulic oil of oil inlet P enters in the multichannel valve pocket 15 at plug-in type locking-valve place by the oil input channel of multi-way valve, now locking-valve core is opened under the effect of the hydraulic oil on its right side, locking-valve cover valve pocket by plug-in type locking-valve between multichannel valve pocket 15 and actuator port 14 is connected, the hydraulic oil successively cover valve pocket of the locking-valve by multichannel valve pocket 15, plug-in type locking-valve and actuator port 14 enters the rodless cavity of oil cylinder, the piston that oil cylinder rodless cavity oil-feed promotes oil cylinder rises, thereby promotes actuator.
As shown in Figure 3, plug-in type locking-valve is in reverse anchor state, and the reset condition of plug-in type locking-valve, is disconnected between actuator port 14 and multichannel valve pocket 15, between actuator port 14 and multichannel valve pocket 15, is off state.Now, under the effect of Returnning spring, the conical surface of locking-valve core right-hand member withstands on the inner peripheral surface of locking-valve cover tightly, between conical surface and the inner peripheral surface of described locking-valve cover, is the mode of linear sealing.Now, plug-in type locking-valve will not be communicated with between actuator port 14 and multichannel valve pocket 15 mutually.As shown in Figure 5, the valve rod of multi-way valve is in meta state, and now the reverse anchor state of plug-in type locking-valve in Fig. 3, is not communicated with between actuator port 14 and multichannel valve pocket 15.Now, the rodless cavity of oil cylinder, actuator port 14, the first oilhole 12 of locking-valve cover and the second oilhole 13 of locking-valve core communicate, pressure oil in the rodless cavity of oil cylinder is under the pressure-acting of load, the backpressure producing acts on by the second oilhole 13 on the inner peripheral surface of blind hole of locking-valve in-core, form the cavity of a sealing, now the pressure oil in the rodless cavity of oil cylinder is static, and the piston of oil cylinder also remains static, thereby makes actuator remain on the state of rest of certain altitude.
As Fig. 6, the valve rod of multi-way valve is in decline state, now in the B chamber on the twin-lock hydraulic control push rod right side of multi-way valve, form high pressure oil, high pressure oil promotes twin-lock hydraulic control push rod and is moved to the left, the left part of twin-lock hydraulic control push rod is backed down the locking-valve core of plug-in type locking-valve left, and the locking-valve core of plug-in type locking-valve is moved to the left, and Returnning spring is compressed, the conical surface of locking-valve core right-hand member is away from the inner peripheral surface of locking-valve cover, and plug-in type locking-valve is in open mode.Now, between the actuator port 14 of multi-way valve and multichannel valve pocket 15, be that locking-valve cover valve pocket by plug-in type locking-valve is connected, make the hydraulic oil in the rodless cavity of oil cylinder by locking-valve cover valve pocket and the multichannel valve pocket of actuator port 14, plug-in type locking-valve, enter fuel tank 15 times successively, oil cylinder is in oil return state, now the piston of oil cylinder declines, and makes actuator utilize deadweight to decline together with piston.
When the valve rod of multi-way valve is when promoting state, plug-in type locking-valve is opened under the effect of input pressure P, and oil pump is oil cylinder fuel feeding by multi-way valve, and oil cylinder rises.When the valve rod of multi-way valve is during in meta state, because the backpressure of the hydraulic oil in oil cylinder rodless cavity acts on plug-in type locking-valve spool, plug-in type locking-valve is in reverse anchor state, and oil cylinder is static.When the valve rod of multi-way valve is during in decline state, the twin-lock hydraulic control push rod of multi-way valve is opened by force plug-in type locking-valve under the effect of high pressure oil, makes the hydraulic oil oil return in oil cylinder rodless cavity, and the piston of oil cylinder declines.
In chip multi-way valve of the present utility model, steel locking-valve seat and locking-valve cover are connected together, and form an all-in-one-piece plug-in type locking-valve, by the positioning control actuator port 14 of the spool of plug-in type locking-valve and the connected sum between multichannel valve pocket 15, are disconnected.Because plug-in type locking-valve is monolithic construction, can, by the interior hexagonal hole dismounting plug-in type locking-valve from multi-way valve on the left side of steel locking-valve seat, make the maintenance maintenance of chip multi-way valve more convenient.The valve seat of plug-in type locking-valve adopts steel matter simultaneously, locking-valve core adopts cone valve structure, makes sealing between locking-valve core and locking-valve cover not be subject to the impact of the impurity in hydraulic oil, has very strong antifouling property, good seal performance, has solved the problem that in prior art, multi-way valve easily leaks.
Claims (6)
1. chip multi-way valve, is characterized in that, comprises valve body (1), valve rod (2), twin-lock hydraulic control push rod (3), rear plug (4) and plug-in type locking-valve (5); In described valve body (1), be provided with multichannel valve pocket (15), within described valve rod (2), twin-lock hydraulic control push rod (3), rear plug (4) and plug-in type locking-valve (5) are all located at described multichannel valve pocket (15); Wherein, described plug-in type locking-valve (5), twin-lock hydraulic control push rod (3) and rear plug (4) set gradually from left to right;
Described plug-in type locking-valve (5) comprises steel locking-valve seat (6), locking-valve core (7), locking-valve cover (8) and Returnning spring (9); The right-hand member of described steel locking-valve seat (6) is provided with stepped shaft inner chamber, the left part of described locking-valve cover (8) is inserted in the stepped shaft inner chamber of described steel locking-valve seat (6), the inside of described locking-valve cover (8) is provided with locking-valve cover valve pocket, described locking-valve cover valve pocket is positioned at the left end of described locking-valve cover (8), described locking-valve core (7) is arranged in described locking-valve cover valve pocket, the left side of the stepped shaft inner chamber of the left end of described Returnning spring (9) and described steel locking-valve seat (6) connects, and the right-hand member of described Returnning spring (9) and described locking-valve core (7) connect.
2. chip multi-way valve according to claim 1, it is characterized in that, the left end of described locking-valve core (7) is provided with blind hole, within described blind hole is inserted from the left end of described locking-valve core (7) in the right part of described Returnning spring (9) and connect with the right side of described blind hole.
3. chip multi-way valve according to claim 1, is characterized in that, the outer circumferential face of the right part of described locking-valve core (7) is taper.
4. chip multi-way valve according to claim 1, is characterized in that, is provided with interior hexagonal hole (10) on the left side of described steel locking-valve seat (6).
5. chip multi-way valve according to claim 1, is characterized in that, on the outer circumferential face of described steel locking-valve seat (6) and on the outer circumferential face of described locking-valve cover (8), is equipped with annular groove, is provided with seal ring (11) in described annular groove.
6. chip multi-way valve according to claim 5, is characterized in that, described seal ring (11) all adopts rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538558.6U CN203421223U (en) | 2013-08-30 | 2013-08-30 | Multi-way plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538558.6U CN203421223U (en) | 2013-08-30 | 2013-08-30 | Multi-way plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421223U true CN203421223U (en) | 2014-02-05 |
Family
ID=50020322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538558.6U Expired - Fee Related CN203421223U (en) | 2013-08-30 | 2013-08-30 | Multi-way plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421223U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438248A (en) * | 2013-08-30 | 2013-12-11 | 合肥长源液压股份有限公司 | Sheet-type multi-way valve |
| CN104514764A (en) * | 2014-08-19 | 2015-04-15 | 合肥长源液压股份有限公司 | Integral multi-way valve with zero-leakage pollution-resistant integral hydraulic locks |
| CN114017409A (en) * | 2021-11-02 | 2022-02-08 | 太重集团榆次液压工业有限公司 | Low-torque two-way cartridge flow control valve |
-
2013
- 2013-08-30 CN CN201320538558.6U patent/CN203421223U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438248A (en) * | 2013-08-30 | 2013-12-11 | 合肥长源液压股份有限公司 | Sheet-type multi-way valve |
| CN104514764A (en) * | 2014-08-19 | 2015-04-15 | 合肥长源液压股份有限公司 | Integral multi-way valve with zero-leakage pollution-resistant integral hydraulic locks |
| CN114017409A (en) * | 2021-11-02 | 2022-02-08 | 太重集团榆次液压工业有限公司 | Low-torque two-way cartridge flow control valve |
| CN114017409B (en) * | 2021-11-02 | 2023-07-28 | 太重集团榆次液压工业有限公司 | Low-torque two-way plug-in type flow control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20200830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |