CN204493320U - Multi-way valve and fork truck - Google Patents
Multi-way valve and fork truck Download PDFInfo
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- CN204493320U CN204493320U CN201520023742.6U CN201520023742U CN204493320U CN 204493320 U CN204493320 U CN 204493320U CN 201520023742 U CN201520023742 U CN 201520023742U CN 204493320 U CN204493320 U CN 204493320U
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Abstract
The utility model discloses a kind of multi-way valve and fork truck, multi-way valve comprises: oil-feed valve block and oil return valve block, and oil-feed valve block is provided with filler opening, and oil return valve block is provided with return opening; Hoist valve block and inclination valve block, and the valve block that hoists is provided with the hydraulic fluid port that hoists, and inclination valve block is provided with inclination hydraulic fluid port; Hoist valve rod and inclination valve rod, and the valve rod that hoists is provided with the locating slot that hoists, and inclination valve block is provided with sloped position groove; And hoist electromagnetic locking device and/or inclination electromagnetic locking device, the electromagnetic locking device that hoists stretches into when hoisting lock position and hoists locating slot and depart from when hoisting release position the locating slot that hoists, and inclination electromagnetic locking device stretches into sloped position groove when oblique locking position and departs from sloped position groove when tilt release position.According to multi-way valve of the present utility model, the auto-lock function of can realize hoisting valve rod and inclination valve rod, and parts are few, oil circuit simple, moreover, avoid the impact that latch functions is subject to fluid.
Description
The divisional application that this case is application number is 201420490980.3, the applying date is on 08 28th, 2014, invention and created name is " control valve, multi-way valve and fork truck ".
Technical field
The utility model relates to Vehicle Engineering technical field, in particular to a kind of multi-way valve and the fork truck with described multi-way valve.
Background technique
Multi-way valve on fork truck, has hoist valve rod and the inclination valve rod that control forklift lifting and tilting action respectively.After ensureing that driver leaves, the goods forked automatically can not decline and cause security incident, adds decline auto-lock function.
There is in correlation technique the multi-way valve of decline auto-lock function, by arranging solenoid valve and logic one-way valve in the oil circuit of valve block that hoists, utilizing the working state of the coordinated signals oil circuit of solenoid valve and logic one-way valve.The parts that this multi-way valve needs are more, oil duct is complicated, causes complex manufacturing, adds cost of production, and fluid flows through solenoid valve and logic one-way valve, and solenoid valve and logic one-way valve are easily blocked by the impurity in fluid, cause auto-lock function to lose efficacy.
Model utility content
The utility model is intended to solve one of above-mentioned technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of multi-way valve, this multi-way valve has can realize mechanical self-latching function, has the advantages such as Structure and energy is simple, cost is low, Locking property is reliable.
The utility model also proposes a kind of fork truck with described multi-way valve.
First aspect of the present utility model proposes a kind of multi-way valve, and described multi-way valve comprises: oil-feed valve block and oil return valve block, and described oil-feed valve block is provided with filler opening, and described oil return valve block is provided with return opening, hoist valve block and inclination valve block, described in hoist valve block and described inclination valve block be arranged between described oil-feed valve block and described oil return valve block, described in the valve block that hoists be provided with the hydraulic fluid port that hoists, described inclination valve block is provided with inclination hydraulic fluid port, hoist valve rod and inclination valve rod, described in hoist valve rod be located at movably described in hoist on valve block and described in the valve rod that hoists be provided with the locating slot that hoists, described inclination valve rod is located on described inclination valve block movably and described inclination valve block is provided with sloped position groove, and hoist electromagnetic locking device and/or inclination electromagnetic locking device, hoist on valve block described in the described electromagnetic locking device that hoists to be located between release position movably in the lock position and hoisting of hoisting, described hoist electromagnetic locking device described hoist lock position time stretch into described in hoist locating slot and described hoist release position time depart from described in hoist locating slot, described inclination electromagnetic locking device is located on described inclination valve block movably between oblique locking position and tilt release position, described inclination electromagnetic locking device stretches into described sloped position groove when described oblique locking position and departs from described sloped position groove when described tilt release position.
According to multi-way valve of the present utility model, the auto-lock function of can realize hoisting valve rod and inclination valve rod, and parts are few, oil circuit simple, reduce casting and difficulty of processing, thus reduce cost of production.In addition, hoist electromagnetic locking device and inclination electromagnetic locking device, without oil circuit, avoid the impact that latch functions is subject to fluid.
Described oil-feed valve block is provided with flow-off, and described flow-off place is provided with relief valve.
Second aspect of the present utility model proposes a kind of fork truck, and described fork truck comprises the multi-way valve according to first aspect of the present utility model.
According to fork truck of the present utility model, by utilizing multi-way valve according to first aspect of the present utility model, have that Security is high, structure simple, low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is the sectional view of the control valve according to the utility model embodiment.
Fig. 2 is the close-up schematic view of Fig. 1.
Fig. 3 is the structural representation of the multi-way valve according to the utility model embodiment.
Fig. 4 is the hydraulic principle schematic diagram of the multi-way valve according to the utility model embodiment.
Reference character: control valve 10, valve body 100, first seed oil road 111, second seed oil road 112, 3rd seed oil road 113, control port 140, end cap 150, valve rod 200, valve rod screw 210, locating slot 220, electromagnetic locking device 300, electromagnetism part 310, disassembling operations portion 311, locking rod 320, multi-way valve 20, oil-feed valve block 400, filler opening 410, oil return valve block 500, return opening 510, hoist valve block 600, hoist hydraulic fluid port 610, hoist end cap 620, inclination valve block 700, inclination hydraulic fluid port 710, inclination end cap 720, hoist valve rod 800, inclination valve rod 900, hoist electromagnetic locking device 1000, inclination electromagnetic locking device 1100, relief valve 1200.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings control valve 10 according to the utility model embodiment is described.
As depicted in figs. 1 and 2, valve body 100, valve rod 200 and electromagnetic locking device 300 is comprised according to the control valve 10 of the utility model embodiment.
Be provided with oil duct in valve body 100, valve body 100 be provided be communicated with described oil duct filler opening (not shown), return opening (not shown) and control port 14.Valve rod 200 is located at oil duct described in break-make on valve body 100 movably, and valve rod 200 is provided with locating slot 220.Electromagnetic locking device 300 is located at movably on valve body 100 between lock position and release position.Electromagnetic locking device 300 stretches into locating slot 220 when described lock position, to position valve rod 200, prevents valve rod 200 from moving.Electromagnetic locking device 300 departs from locating slot 220 when described release position, moves to allow valve rod 200.
According to the control valve 10 of the utility model embodiment, by arranging locating slot 220 on valve rod 200, and moveable electromagnetic locking device 300 being set on valve body 100, the mechanical locking that electromagnetic locking device 300 realizes valve rod 200 can be utilized.
Compare in correlation technique the multi-way valve adopting solenoid valve and the self-locking of logic one-way valve, control valve 10 not only can save solenoid valve and logic one-way valve, and self-locking structure is without the need to arranging in conjunction with oil duct, significantly can simplify the structure of oil duct thus, thus casting and difficulty of processing can be reduced, simplify production technology to reduce cost of production.
For example, as shown in Figure 1, the lift control valve being fork truck for control valve 10 describes the locking process of control valve 10.Be provided with the first seed oil road 112, seed oil road 111, second and the 3rd seed oil road 111, seed oil road 113, first in valve body 100 to be communicated with fuel tank and the 3rd seed oil road 113 is communicated with oil cylinder by control port 140.
When driver starts shooting on seat, now electromagnetic locking device 300 obtains electric, produces electromagnetic force, the locating slot 220 that electromagnetic locking device 300 moves to described release position and departs from valve rod 200 under the effect of electromagnetic force.Now can handle valve rod 200 to move to right (left and right directions is as the criterion with the left and right directions of Fig. 1), the first seed oil road 111 is communicated with the second seed oil road 112.Fluid in oil cylinder gets back to fuel tank by control port 140, the 3rd seed oil road, seed oil road 113, second 112 and the first seed oil road 111, and goods is declined.
When driver is not or not seat or shutdown, electromagnetic locking device 300 dead electricity, valve rod 200 is under meta state, the locating slot 220 that electromagnetic locking device 300 moves to described lock position and inserts on valve rod 200, is locked at bit positions (bit positions refers to the position hoisted between position and lowering position) by valve rod 200.Now the first seed oil road 111 and the second seed oil road 112 are cut off by valve rod 200, and fluid can not communicate, and the fluid in oil cylinder cannot oil sump tank, and goods can not decline, and can prevent misoperation thus, protection personal security.
According to the control valve 10 of the utility model embodiment, compare in correlation technique the multi-way valve adopting solenoid valve and logic one-way valve, at least can reduce by 3 oil ducts.
In addition, control valve 10 inner fluid through electromagnetic locking device 300, can not can avoid the impurity effect electromagnetic locking device 300 in fluid thus, ensures the reliability of the latch functions of electromagnetic locking device 300 pairs of valve rods 200.
Therefore, the control valve 10 according to the utility model embodiment can realize mechanical self-latching function, has the advantages such as Structure and energy is simple, cost is low, Locking property is reliable.
Below with reference to the accompanying drawings control valve 10 according to the utility model specific embodiment is described.
In specific embodiments more of the present utility model, as depicted in figs. 1 and 2, valve body 100, valve rod 200 and electromagnetic locking device 300 is comprised according to the control valve 10 of the utility model embodiment.
Electromagnetic locking device 300 comprises electromagnetism part 310, locking rod 320 and elastic component (not shown).
Electromagnetism part 310 is located on valve body 100.Locking rod 320 stretch into locating slot 220 lock position and depart from locating slot 220 release position between be located at movably on electromagnetism part 310.Described elastic component is connected with electromagnetism part 310 with locking rod 320 respectively, and described elastic component often pushes locking rod 320 to described lock position.
When electromagnetism part 310 obtains electric, electromagnetism part 310 produces electromagnetic force, and the elastic force that locking rod 320 overcomes described elastic component under the attraction of electromagnetism part 310 moves to described release position, and valve rod 200 unlocks.During electromagnetism part 310 dead electricity, electromagnetic force disappears, and locking rod 320 moves to described lock position under the effect of described elastic component, and locking rod 320 stretches into locating slot 220 and valve rod 200 is locked at bit positions.Can realize the automatic locking function of electromagnetic locking device 300 pairs of valve rods 200 thus, and structure is simple, reliable performance.
Wherein, electromagnetism part 310 comprises iron core and is located at the electromagnetic coil on described iron core.During electromagnetic coil energising, iron core is magnetized to attract locking rod 320 to move to described release position, and after electromagnetic coil power-off, iron core demagnetization, locking rod 320 moves to described lock position under the effect of described elastic component.
Specifically, described elastic component is spring, and electromagnetism part 310 is provided with the first limit dais (not shown) and locking rod 320 is provided with the second limit dais (not shown).Described elastic component is set on locking rod 320, and the two ends of described elastic component are against on described first limit dais and described second limit dais respectively.The installation location of described elastic component can be realized thus, ensure the promotion stability of described elastic component to locking rod 320.
In concrete examples more of the present utility model, as shown in Figure 2, the end face of valve rod 200 is provided with tapped hole, is combined with valve rod screw 210 in this tapped hole, and valve rod screw 210 stretches out valve body 100.The outer wall of valve body 100 is provided with end cap 150, and end cap 150 cover establishes valve rod screw 210 to stretch out the part of valve body 100.Locating slot 220 is located on the outer circumferential face of valve rod screw 210, and electromagnetic locking device 300 is located on the periphery wall of end cap 150, and locking rod 320 is stretched in the locating slot 220 of valve rod 200 by the through hole on end cap 150 when described lock position.
Advantageously, as shown in Figure 2, locating slot 220 is the annular groove extended along the circumference of the outer circumferential face of valve rod screw 210, so no matter how valve rod 200 and valve rod screw 210 rotate, locking rod 320 all can stretch into locating slot 220 with locking valve rod 200 when described lock position, further increase the reliability of Locking property.
Alternatively, electromagnetism part 310 is threaded on end cap 150.Such as, end cap 150 is provided with tapped hole, and electromagnetism part 310 is provided with the outside thread be engaged in this tapped hole.It is polygonal disassembling operations portion 311 that electromagnetism part 310 is provided with cross section, can utilize the tool operation disassembling operations portions 311 such as spanner during dismounting electromagnetism part 310, to rotate electromagnetism part 310, and the dismounting of convenient electromagnetic part 310.
Below with reference to the accompanying drawings multi-way valve 20 according to the utility model embodiment is described.
As shown in Figure 3 and Figure 4, comprise oil-feed valve block 400, oil return valve block 500 according to the multi-way valve 20 of the utility model embodiment, the valve block 600 that hoists, inclination valve block 700, the valve rod 800 that hoists, inclination valve rod 900, hoist electromagnetic locking device 1000 and/or inclination electromagnetic locking device 1100.
Oil-feed valve block 400 is provided with filler opening 410.Oil return valve block 500 is provided with return opening 510.Hoist valve block 600 and inclination valve block 700 is arranged between oil-feed valve block 400 and oil return valve block 500.The valve block 600 that hoists is provided with the hydraulic fluid port 610 that hoists, and inclination valve block 700 is provided with two inclination hydraulic fluid ports 710.The valve rod 800 that hoists is located at movably and hoists on valve block 600, and control the action that hoists of fork truck, the valve rod 800 that hoists is provided with the locating slot that hoists.Inclination valve rod 900 is located on inclination valve block 700 movably, and control the tilting action of fork truck, inclination valve block 700 is provided with sloped position groove.
Hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1,100 two devices can arrange wherein any one, also can two all arrange.To hoist electromagnetic locking device 1000 as adopted, then hoist the hoisting release position between be movably located at hoist valve block 600 on of hoist lock position and depart from described in hoist locating slot of electromagnetic locking device 1000 at the locating slot that hoists described in stretching into.As adopted inclination electromagnetic locking device 1100, then inclination electromagnetic locking device 1100 is located on inclination valve block 700 movably stretching between the oblique locking position of described sloped position groove and the tilt release position departing from described sloped position groove.
All be adopted as example with hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1100 below, describe the locking process of the multi-way valve 20 according to the utility model embodiment.
When driver starts shooting on seat, hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1100 electric, produce electromagnetic force respectively, hoist described in the electromagnetic locking device 1000 that hoists moves to release position and depart from the locating slot that hoists, inclination electromagnetic locking device 1100 moves to described tilt release position and has departed from inclination position groove, now hoist valve rod 800 and inclination valve rod 900 unlocks, and controls hoist action and the tilting action of fork truck by hoist valve rod 800 and inclination valve rod 900 respectively.
When driver is not or not seat or shutdown; hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1100 dead electricity; electromagnetic force disappears; hoist described in the electromagnetic locking device 1000 that hoists moves to lock position and stretch into the locating slot that hoists; inclination electromagnetic locking device 1100 moves to described oblique locking position and has stretched into inclination position groove; now hoist valve rod 800 and inclination valve rod 900 locking; hoist action and the tilting action of fork truck cannot be controlled respectively by hoist valve rod 800 and inclination valve rod 900; to prevent misoperation, protection personal security.
Fig. 4 shows the hydraulic schematic diagram of the multi-way valve 20 according to the utility model embodiment.Wherein, two inclination hydraulic fluid ports 710 in Fig. 4, what be relatively positioned at right side is the hydraulic fluid port that leans forward, and what be relatively positioned at left side is hypsokinesis hydraulic fluid port.
According to the multi-way valve 20 of the utility model embodiment, the auto-lock function of can realize hoisting valve rod 800 and inclination valve rod 900, and parts are few, oil circuit simple, reduce casting and difficulty of processing, thus reduce cost of production.In addition, hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1100, without oil circuit, avoid the impact that latch functions is subject to fluid.
Alternatively, hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1100 comprises electromagnetism part, lock post and elastic component respectively.The hoist end of valve rod 800 and inclination valve rod 900 has been threaded outwardly directed valve rod screw respectively, and hoist locating slot and sloped position groove are located on two valve rod screws respectively.Hoist valve block 600 and inclination valve block 700 is provided with cover respectively and establishes the end cap of two valve rod screws, and hoist electromagnetic locking device 1000 and inclination electromagnetic locking device 1100 are located on two end caps respectively.
Wherein, oil-feed valve block 400 is provided with flow-off, and described flow-off place is provided with relief valve 1200.
According to the multi-way valve 20 of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
Fork truck according to the utility model embodiment is described below.The multi-way valve 20 according to the utility model above-described embodiment is comprised according to the fork truck of the utility model embodiment.
According to the fork truck of the utility model embodiment, by utilizing according to the multi-way valve 20 of the utility model above-described embodiment, have that Security is high, structure simple, low cost and other advantages.
According to the fork truck of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (3)
1. a multi-way valve, is characterized in that, comprising:
Oil-feed valve block and oil return valve block, described oil-feed valve block is provided with filler opening, and described oil return valve block is provided with return opening;
Hoist valve block and inclination valve block, described in hoist valve block and described inclination valve block be arranged between described oil-feed valve block and described oil return valve block, described in the valve block that hoists be provided with the hydraulic fluid port that hoists, described inclination valve block is provided with inclination hydraulic fluid port;
Hoist valve rod and inclination valve rod, described in hoist valve rod be located at movably described in hoist on valve block and described in the valve rod that hoists be provided with the locating slot that hoists, described inclination valve rod is located on described inclination valve block movably and described inclination valve block is provided with sloped position groove; And
Hoist electromagnetic locking device and/or inclination electromagnetic locking device, hoist on valve block described in the described electromagnetic locking device that hoists to be located between release position movably in the lock position and hoisting of hoisting, described hoist electromagnetic locking device described hoist lock position time stretch into described in hoist locating slot and described hoist release position time depart from described in hoist locating slot, described inclination electromagnetic locking device is located on described inclination valve block movably between oblique locking position and tilt release position, described inclination electromagnetic locking device stretches into described sloped position groove when described oblique locking position and departs from described sloped position groove when described tilt release position.
2. multi-way valve according to claim 1, is characterized in that, described oil-feed valve block is provided with flow-off, and described flow-off place is provided with relief valve.
3. a fork truck, is characterized in that, comprises multi-way valve according to claim 1 and 2.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490980.3U CN204284523U (en) | 2014-08-28 | 2014-08-28 | Control valve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490980.3U Division CN204284523U (en) | 2014-08-28 | 2014-08-28 | Control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493320U true CN204493320U (en) | 2015-07-22 |
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ID=52867684
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023742.6U Active CN204493320U (en) | 2014-08-28 | 2014-08-28 | Multi-way valve and fork truck |
| CN201420490980.3U Active CN204284523U (en) | 2014-08-28 | 2014-08-28 | Control valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490980.3U Active CN204284523U (en) | 2014-08-28 | 2014-08-28 | Control valve |
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| Country | Link |
|---|---|
| CN (2) | CN204493320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139596A (en) * | 2017-06-27 | 2019-01-04 | 比亚迪股份有限公司 | Fork truck tilts valve arrangement, multi-way valve and fork truck |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001173A (en) * | 2021-10-26 | 2022-02-01 | 杭叉集团股份有限公司 | Automatically controlled safe locking mechanism of industrial vehicle |
-
2014
- 2014-08-28 CN CN201520023742.6U patent/CN204493320U/en active Active
- 2014-08-28 CN CN201420490980.3U patent/CN204284523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139596A (en) * | 2017-06-27 | 2019-01-04 | 比亚迪股份有限公司 | Fork truck tilts valve arrangement, multi-way valve and fork truck |
| CN109139596B (en) * | 2017-06-27 | 2020-03-31 | 比亚迪股份有限公司 | Forklift tilt valve structure, multi-way valve and forklift |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204284523U (en) | 2015-04-22 |
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