CN204200772U - Motor return flushing valve - Google Patents

Motor return flushing valve Download PDF

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Publication number
CN204200772U
CN204200772U CN201420650117.XU CN201420650117U CN204200772U CN 204200772 U CN204200772 U CN 204200772U CN 201420650117 U CN201420650117 U CN 201420650117U CN 204200772 U CN204200772 U CN 204200772U
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CN
China
Prior art keywords
valve
oil duct
flushing
valve body
commutation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420650117.XU
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Chinese (zh)
Inventor
张祝
张同虎
陈力航
童成前
张苏
沈陆明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Sabo Industrial Design Research Institute Co Ltd
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Nanjing Sabo Industrial Design Research Institute Co Ltd
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Priority to CN201420650117.XU priority Critical patent/CN204200772U/en
Application granted granted Critical
Publication of CN204200772U publication Critical patent/CN204200772U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Motor return flushing valve, comprises valve component, rinses valve seat, wherein, valve component is arranged on and rinses on valve seat, and valve component comprises valve block, is provided with and rinses spool mounting hole in valve block, rinse spool to be installed in flushing spool mounting hole, flushing valve in-core is provided with flushing damping fin; Rinse on spool and be provided with spool damping hole, spool damping hole is communicated with to oil duct with poppet shaft, and poppet shaft is communicated with to oil duct with spool radial direction oil; Valve block top is provided with valve body and rinses oil duct and four road valve body commutation control oil ducts; Left valve seat commutation control oil duct is connected with the left oil duct of valve component, right valve seat commutation control oil duct is connected with the right oil duct of valve component, rinse and valve seat be also provided with the upper valve base be interconnected and rinse oil duct and rinses oil duct with lower valve base, while lower valve base flushing oil duct rinse oil duct with valve body and dock.The utility model is applied to oil hydraulic motor and not only reduces hand labor intensity, and cooling realizes Dynamic Matching with motor operating conditions, effectively the operation stability of raising motor.

Description

Motor return flushing valve
Technical field
The utility model relates to hydraulic system and performs components and parts technical field, particularly relates to a kind of motor return flushing valve.
Background technique
Hydraulic energy transfer is being hydraulic oil shuttling movement in mechanical energy process by oil hydraulic motor, create huge heat, if heat sheds not in time, oil hydraulic motor temperature rise will be caused too high, affect its working life and working characteristics, serious even directly causes parts damages; And flushing valve is selectable unit in the oil hydraulic motor used at present, to oil hydraulic motor cooling backwashing manner be operator control external cleaning hose to oil hydraulic motor carry out cooling flushing, not only hand labor intensity is large, and cooling can not the dynamic needs of adaptation condition, can not become real-time Dynamic Matching with the operating conditions of motor.
Model utility content
The technical problem that the utility model solves is to provide a kind of motor return flushing valve, to solve the shortcoming in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
Motor return flushing valve, comprise valve component, rinse valve seat, wherein, valve component is arranged on and rinses on valve seat, valve component comprises valve block, be provided with in valve block and rinse spool mounting hole, rinsing spool is installed in flushing spool mounting hole by spool assembling cylindrical, and by spool assembling and positioning end face and valve block positioned internal shoulder contact spacing, flushing valve in-core is provided with flushing damping fin, rinse on damping fin and be provided with flushing damping hole, for flushing flow rate restriction during motor high speed operation, by changing the flushing damping hole of different size, different high speed flushing flow rate can be obtained, rinse on spool and be provided with spool damping hole, for flushing flow rate restriction during motor low cruise, spool damping hole is communicated with to oil duct with poppet shaft, poppet shaft is communicated with to oil duct with spool radial direction oil, spool radial direction oil is used for supercharging overcurrent during motor high speed operation, valve block is also provided with flushing spiro pluging hole, left commutation spiro pluging hole and right commutation spiro pluging hole, and rinse in spiro pluging hole valve body upper end plug screw is installed, valve body left end plug screw is installed in left commutation spiro pluging hole, valve body right-hand member plug screw is installed in right commutation spiro pluging hole, and be provided with flushing pressure adjusting spring in the plug screw of valve body upper end, rinsing pressure adjusting spring one end withstands on flushing spool, the other end withstands on the inwall of valve body upper end plug screw by pressure adjusting pad, the precompression rinsing pressure adjusting spring can be regulated by the thickness of adjustment pressure adjusting pad, the changeover valve core mounting hole for installing changeover valve core is provided with in valve block, and commutation damping cylindrical is respectively arranged with at the two ends of changeover valve core, and equal milling has damping plane on commutation damping cylindrical, when changeover valve core loads the changeover valve core mounting hole of valve block, the damping plane interior round-formed gap with it of institute's milling, commutating by controlling changeover valve core for high pressure oil in this gap, and is fitted with commutation spring seat respectively bottom changeover valve core two ends, valve block top is provided with valve body and rinses oil duct, valve body commutation control oil duct one, valve body commutation control oil duct two, valve body commutation control oil duct three and valve body commutation control oil duct four, and the oil circuit control that valve body commutation control oil duct one, valve body commutation control oil duct two, valve body commutation control oil duct three and valve body commutation control oil duct four are changeover valve core is also flushing oil circuit simultaneously, it is independent flushing oil circuit that valve body rinses oil duct, rinse the left valve seat commutation control oil duct that valve seat is arranged to be connected with the left oil duct of valve component, oil for the left oil duct of valve component transfers to valve component by left valve seat commutation control oil duct, rinse the right valve seat commutation control oil duct that valve seat is arranged to be connected with the right oil duct of valve component, oil for the right oil duct of valve component is transferred to valve component by right valve seat commutation control oil duct, rinse and valve seat is also provided with the upper valve base be interconnected and rinses oil duct and lower valve base rinses oil duct, the oil duct of lower valve base flushing simultaneously rinses oil duct with valve body and docks, valve body commutation control oil duct three docks with left valve seat commutation control oil duct, valve body commutation control oil duct one docks with right valve seat commutation control oil duct, the oil that valve body rinses oil duct output is delivered to upper valve base flushing oil duct through lower valve base flushing oil duct, and flow to follow-up related components with flush motor, in addition, rinse on valve seat and be provided with the left kidney-shaped hydraulic fluid port corresponding with the kidney-shaped hydraulic fluid port on oil distribution casing and right kidney-shaped hydraulic fluid port, for the hydraulic oil of system circuit being supplied to oil distribution casing and the oil return of oil distribution casing being transmitted back to system.
In the utility model, valve component is arranged on by valve body fastening screw trip bolt and rinses on valve seat.
In the utility model, flushing valve in-core is provided with for being fixed spacing hole split washer to flushing damping fin.
In the utility model, in valve body left end plug screw, be provided with the left commutation Returnning spring resetted for changeover valve core.
In the utility model, in valve body right-hand member plug screw, be provided with the right commutation Returnning spring resetted for changeover valve core.
In the utility model, valve body upper end plug screw is set with seal ring, and seal ring is installed in flushing spiro pluging hole.
In the utility model, valve body left end plug screw is set with seal ring, and seal ring is installed in left commutation spiro pluging hole.
In the utility model, valve body left end plug screw is set with seal ring, and seal ring is installed in right commutation spiro pluging hole.
In the utility model, valve body commutation control oil duct three outlet port is provided with seal groove, and is provided with the O type circle for Butt sealing.
In the utility model, valve body commutation control oil duct one outlet port is provided with seal groove, and is provided with the O type circle for Butt sealing.
In the utility model, valve body rinses oil passage outlet place and is provided with seal groove, and is provided with the O type circle for Butt sealing.
In the utility model, rinse on valve seat and be provided with flushing valve seat mounting screw holes, fastening for the connection of rinsing valve seat and motor casing.
In the utility model, rinse valve seat side and be provided with four valve seat interior threaded holes, for being fastenedly connected valve component.
In the utility model, be provided with left technique spiro pluging hole and right technique spiro pluging hole bottom valve block, and left sealing plug is installed in left technique spiro pluging hole, right sealing plug is installed in right technique spiro pluging hole.
In the utility model, rinse on valve seat and be provided with oil distribution casing positioning pin hole, be fixedly mounted on for spacing the oil distribution casing rinsed on valve seat.
The controlling method of motor return flushing valve, valve component pressure oil that right oil duct an enters part is delivered to oil distribution casing drive cylinder scapus plug through rinsing valve seat internal galleries, another part flows to valve component through right valve seat commutation control oil duct, and promote changeover valve core left lateral at valve body left end plug screw end after valve body commutation control oil duct one, valve body commutation control oil duct two and damping clearance, thus open valve body commutation control oil duct four and the asphalt channel rinsing spool mounting hole; Valve component pressure oil that right oil duct enters returns oil-way system after oil distribution casing drive cylinder scapus plug, the left oil duct of valve component is flowed back to through the oil circuit rinsed on valve seat, be delivered to valve component through left valve seat commutation control oil duct simultaneously, and be delivered to flushing spool through valve body commutation control oil duct three, valve body commutation control oil duct four and flushing spool mounting hole, export finally by after the flushing damping hole damping of rinsing on damping fin, and be delivered to upper valve base flushing oil duct, to realize the flushing of motor pressure oil through the output of valve body flushing oil duct through lower valve base flushing oil duct; The turbidity test of hydraulic oil in performance loop can be guaranteed by application backflow flushing valve in oil hydraulic motor or Hydrostatic drive, significantly improve the quality of circuit system hydraulic oil, and then extend the life-span of associated components in transmission system; Not only reduce hand labor intensity, and cooling realizes Dynamic Matching with motor operating conditions, effectively the operation stability of raising motor.
Beneficial effect: the utility model can guarantee the turbidity test of hydraulic oil in performance loop by application backflow flushing valve in oil hydraulic motor or Hydrostatic drive, significantly improves the quality of circuit system hydraulic oil, and then extends the life-span of associated components in transmission system; Not only reduce hand labor intensity, and cooling realizes Dynamic Matching with motor operating conditions, effectively the operation stability of raising motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Fig. 2 is the valve component plan view in preferred embodiment of the present utility model.
Fig. 3 is the valve block plan view in preferred embodiment of the present utility model.
Fig. 4 is C-C place sectional view in Fig. 3.
Fig. 5 is H place sectional view in Fig. 3.
Fig. 6 is the valve block plan view in preferred embodiment of the present utility model.
Fig. 7 is the valve component plan view in preferred embodiment of the present utility model.
Fig. 8 is C-C place sectional view in Fig. 7.
Fig. 9 is the changeover valve core plan view in preferred embodiment of the present utility model.
Figure 10 is E-E place sectional view in Fig. 9.
Figure 11 is the flushing valve cored structure schematic diagram in preferred embodiment of the present utility model.
Figure 12 is the flushing damping fin structural representation in preferred embodiment of the present utility model.
Figure 13 is the flushing valve seat plan view in preferred embodiment of the present utility model.
Figure 14 is the flushing valve seat rear view in preferred embodiment of the present utility model.
Figure 15 is valve component in preferred embodiment of the present utility model and rinse valve seat scheme of installation.
Figure 16 is D-D place sectional view in Figure 15.
Figure 17 is preferred embodiment schematic diagram of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See the motor return flushing valve of Fig. 1 ~ Figure 17, comprise valve component 1, valve body fastening screw trip bolt 1-1, valve body upper end plug screw 1-2, valve body left end plug screw 1-3, valve body right-hand member plug screw 1-4, left sealing plug 1-5, right sealing plug 1-6, valve block 1-7, valve block mounting screw holes 1-7-1, rinse spiro pluging hole 1-7-2, left commutation spiro pluging hole 1-7-3, right commutation spiro pluging hole 1-7-4, rinse spool mounting hole 1-7-5, valve body commutation control oil duct one 1-7-6, valve body commutation control oil duct two 1-7-7, valve body commutation control oil duct three 1-7-8, valve body commutation control oil duct four 1-7-9, left technique spiro pluging hole 1-7-10, right technique spiro pluging hole 1-7-11, valve body rinses oil duct 1-7-12, seal groove one 1-7-13, seal groove two 1-7-14, seal groove three 1-7-15, changeover valve core mounting hole 1-7-16, rinse damping fin 1-8, rinse damping hole 1-8-1, rinse spool 1-9, spool damping hole 1-9-1, spool radial direction oil 1-9-2, spool assembling cylindrical 1-9-3, poppet shaft is to oil duct 1-9-4, spool assembling and positioning end face 1-9-5, changeover valve core 1-10, commutation damping cylindrical one 1-10-1, commutation damping cylindrical two 1-10-2, damping plane 1-10-3, O type circle one 1-11, O type circle two 1-12, O type circle three 1-13, pressure adjusting pad 1-14, seal ring one 1-15, rinse pressure adjusting spring 1-16, seal ring two 1-17, left commutation Returnning spring 1-18, commutation spring seat one 1-19, right commutation Returnning spring 1-20, seal ring three 1-21, commutation spring seat two 1-22, hole split washer 1-23, rinse valve seat 2, rinse valve seat mounting screw holes 2-1, valve seat interior threaded hole 2-2, lower valve base rinses oil duct 2-3, left valve seat commutation control oil duct 2-4, right valve seat commutation control oil duct 2-5, oil distribution casing positioning pin hole 2-6, upper valve base rinses oil duct 2-7, valve component right oil duct external oil pipe fastening screw pit 2-8, valve component left oil duct external oil pipe fastening screw pit 2-9, left kidney-shaped hydraulic fluid port 2-10, right kidney-shaped hydraulic fluid port 2-11, valve seat mounting screw 3, valve component right oil duct A and the left oil duct B of valve component.
In the present embodiment, the main carrier of valve component 1 part is valve block 1-7, remaining part is all installed on valve block 1-7, rinse on damping fin 1-8 and be provided with flushing damping hole 1-8-1, for flushing flow rate restriction during motor high speed operation, by changing the flushing damping hole 1-8-1 of different size, different high speed flushing flow rate can be obtained, rinse on spool 1-9 and be provided with spool damping hole 1-9-1, for flushing flow rate restriction during motor low cruise, rinse the spool radial direction oil 1-9-2 of setting on spool 1-9 for supercharging overcurrent during motor high speed operation, rinsing damping fin 1-8 is installed in flushing spool 1-9, and passing hole split washer 1-23 fixes spacing, rinsing spool 1-9 is installed in the flushing spool mounting hole 1-7-5 of valve block 1-7 by spool assembling cylindrical 1-9-3, and pass through the positioned internal shoulder contact spacing flushing spool 1-9 of spool assembling and positioning end face 1-9-5 and valve block 1-7, valve body upper end plug screw 1-2 being set with seal ring one 1-15 and being installed on rinses in spiro pluging hole 1-7-2, be provided with in the plug screw 1-2 of valve body upper end and rinse pressure adjusting spring 1-16, rinsing pressure adjusting spring 1-16 one end withstands on flushing spool 1-9, the other end withstands on the inwall of valve body upper end plug screw 1-2 by pressure adjusting pad 1-14, the precompression rinsing pressure adjusting spring 1-16 can be regulated by the thickness of adjustment pressure adjusting pad 1-14, and commutation damping cylindrical one 1-10-1 and commutation damping cylindrical two 1-10-2 is respectively arranged with at the two ends of changeover valve core 1-10, and equal milling has damping plane 1-10-3 on two place's cylindricals, when changeover valve core 1-10 loads the changeover valve core mounting hole 1-7-16 of valve block 1-7, the damping plane 1-10-3 of institute's milling can with it in round-formed gap, commutate by controlling changeover valve core 1-10 for high pressure oil in this gap, after changeover valve core 1-10 loads changeover valve core mounting hole 1-7-16, two ends are fitted with commutation spring seat one 1-19 and commutation spring seat two 1-22 respectively, valve body left end plug screw 1-3 is set with seal ring two 1-17 and is installed in left commutation spiro pluging hole 1-7-3, and be provided with left commutation Returnning spring 1-18 in valve body left end plug screw 1-3 and reset for changeover valve core 1-10, valve body right-hand member plug screw 1-4 is set with seal ring three 1-21 and is installed in right commutation spiro pluging hole 1-7-4, and be provided with right commutation Returnning spring 1-20 in valve body right-hand member plug screw 1-4 and reset for changeover valve core 1-10, left sealing plug 1-5 is installed in left technique spiro pluging hole 1-7-10, right sealing plug 1-6 is installed in right technique spiro pluging hole 1-7-11, on valve block 1-7, valve body commutation control oil duct three 1-7-8 outlet port is provided with seal groove one 1-7-13, and O type circle three 1-13 is installed for Butt sealing, valve body commutation control oil duct one 1-7-6 outlet port is provided with seal groove two 1-7-14, and O type circle one 1-11 is installed for Butt sealing, valve body rinses oil duct 1-7-12 outlet port and is provided with seal groove three 1-7-15, and is provided with O type circle two 1-12 for Butt sealing, the installation that the valve block mounting screw holes 1-7-1 that valve block 1-7 is arranged is used for valve body fastening screw trip bolt 1-1 is fixed, valve body commutation control oil duct one 1-7-6 that valve block 1-7 is arranged, valve body commutation control oil duct two 1-7-7, valve body commutation control oil duct three 1-7-8 and valve body commutation control oil duct four 1-7-9 are the oil circuit control of changeover valve core 1-10 is also flushing oil circuit simultaneously, and it is independent flushing oil circuit that valve body rinses oil duct 1-7-12, after valve component 1 and flushing valve seat 2 are installed by valve body fastening screw trip bolt 1-1, valve body flushing oil duct 1-7-12 rinses oil duct 2-3 with lower valve base and docks, valve body commutation control oil duct three 1-7-8 docks with left valve seat commutation control oil duct 2-4, and valve body commutation control oil duct one 1-7-6 docks with right valve seat commutation control oil duct 2-5.
In the present embodiment, rinse on valve seat 2 and be provided with flushing valve seat mounting screw holes 2-1, connection for rinsing valve seat 2 and motor casing is fastening, the side rinsing valve seat 2 is provided with four valve seat interior threaded hole 2-2, for being fastenedly connected valve component 1, rinse the left valve seat commutation control oil duct 2-4 that valve seat 2 is arranged to be connected with the left oil duct B of valve component, oil for valve component left oil duct B is transferred to valve component 1 by left valve seat commutation control oil duct 2-4, equally, rinse the right valve seat commutation control oil duct 2-5 that valve seat 2 is arranged to be connected with the right oil duct A of valve component, oil for valve component right oil duct A is transferred to valve component 1 by right valve seat commutation control oil duct 2-5, rinse the lower valve base flushing oil duct 2-3 that valve seat 2 is arranged and the oil through valve component 1 can be transferred to upper valve base flushing oil duct 2-7, and flow to follow-up related components with flush motor, rinse the oil distribution casing positioning pin hole 2-6 that valve seat 2 is arranged and be used for the spacing oil distribution casing be fixedly mounted on flushing valve seat 2, and it is corresponding with the kidney-shaped hydraulic fluid port on oil distribution casing to rinse left kidney-shaped hydraulic fluid port 2-10 set on valve seat 2 and right kidney-shaped hydraulic fluid port 2-11, the hydraulic oil of system circuit is supplied to oil distribution casing and the oil return of oil distribution casing is transmitted back to system.
In the present embodiment, the controlling method of motor return flushing valve, with valve component right oil duct A oil-feed, valve component left oil duct B oil return is example, valve component pressure oil that right oil duct an enters part is delivered to oil distribution casing drive cylinder scapus plug through rinsing valve seat 2 internal galleries, another part flows to valve component 1 through right valve seat commutation control oil duct 2-5, and through valve body commutation control oil duct one 1-7-6, promotion changeover valve core 1-10 left lateral is held at valve body left end plug screw 1-3 after valve body commutation control oil duct two 1-7-7 and damping clearance, thus open valve body commutation control oil duct four 1-7-9 and the asphalt channel rinsing spool mounting hole 1-7-5, valve component pressure oil that right oil duct enters is oil return system after oil distribution casing drive cylinder scapus plug, and flow back to the left oil duct of valve component through the oil circuit rinsed on valve seat 2, be delivered to valve component 1 through left valve seat commutation control oil duct 2-4 simultaneously, and through valve body commutation control oil duct three 1-7-8, valve body commutation control oil duct four 1-7-9 and flushing spool mounting hole 1-7-5 is delivered to and rinses spool 1-9, export after being installed on the flushing damping hole 1-8-1 damping on the flushing damping fin 1-8 rinsed in spool 1-9, and be delivered to upper valve base flushing oil duct 2-7 through valve body flushing oil duct 1-7-12 output through lower valve base flushing oil duct 2-3, to realize the flushing of motor pressure oil, valve component left oil duct B oil-feed, A is fuel-displaced for valve component right oil duct, and circuit is contrary.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (9)

1. motor return flushing valve, comprise valve component, rinse valve seat, it is characterized in that, valve component is arranged on and rinses on valve seat, and valve component comprises valve block, is provided with and rinses spool mounting hole in valve block, rinsing spool is installed in flushing spool mounting hole by spool assembling cylindrical, and spacing by spool assembling and positioning end face and valve block positioned internal shoulder contact, flushing valve in-core is provided with flushing damping fin, and flushing damping fin is provided with flushing damping hole, rinse on spool and be provided with spool damping hole, spool damping hole is communicated with to oil duct with poppet shaft, poppet shaft is communicated with to oil duct with spool radial direction oil, valve block is also provided with flushing spiro pluging hole, left commutation spiro pluging hole and right commutation spiro pluging hole, and rinse in spiro pluging hole valve body upper end plug screw is installed, valve body left end plug screw is installed in left commutation spiro pluging hole, valve body right-hand member plug screw is installed in right commutation spiro pluging hole, and be provided with flushing pressure adjusting spring in the plug screw of valve body upper end, rinsing pressure adjusting spring one end withstands on flushing spool, the other end withstands on the inwall of valve body upper end plug screw by pressure adjusting pad, be provided with the changeover valve core mounting hole for installing changeover valve core in valve block, and be respectively arranged with commutation damping cylindrical at the two ends of changeover valve core, and on commutation damping cylindrical, equal milling there is damping plane, is fitted with commutation spring seat respectively bottom changeover valve core two ends, valve block top is provided with valve body and rinses oil duct, valve body commutation control oil duct one, valve body commutation control oil duct two, valve body commutation control oil duct three and valve body commutation control oil duct four, rinse the left valve seat commutation control oil duct that valve seat is arranged to be connected with the left oil duct of valve component, rinse the right valve seat commutation control oil duct that valve seat is arranged to be connected with the right oil duct of valve component, rinse and valve seat is also provided with the upper valve base be interconnected and rinses oil duct and lower valve base rinses oil duct, the oil duct of lower valve base flushing simultaneously rinses oil duct with valve body and docks, valve body commutation control oil duct three docks with left valve seat commutation control oil duct, and valve body commutation control oil duct one docks with right valve seat commutation control oil duct, in addition, rinse on valve seat and be provided with the left kidney-shaped hydraulic fluid port corresponding with the kidney-shaped hydraulic fluid port on oil distribution casing and right kidney-shaped hydraulic fluid port.
2. motor return flushing valve according to claim 1, is characterized in that, flushing valve in-core is provided with for being fixed spacing hole split washer to flushing damping fin.
3. motor return flushing valve according to claim 1, is characterized in that, is provided with the left commutation Returnning spring resetted for changeover valve core in valve body left end plug screw.
4. motor return flushing valve according to claim 1, is characterized in that, is provided with the right commutation Returnning spring resetted for changeover valve core in valve body right-hand member plug screw.
5. motor return flushing valve according to claim 1, is characterized in that, valve body upper end plug screw is set with seal ring, and seal ring is installed in flushing spiro pluging hole.
6. motor return flushing valve according to claim 1, is characterized in that, valve body left end plug screw is set with seal ring, and seal ring is installed in left commutation spiro pluging hole.
7. motor return flushing valve according to claim 1, is characterized in that, valve body left end plug screw is set with seal ring, and seal ring is installed in right commutation spiro pluging hole.
8. motor return flushing valve according to claim 1, is characterized in that, is provided with left technique spiro pluging hole and right technique spiro pluging hole bottom valve block, and left sealing plug is installed in left technique spiro pluging hole, and right sealing plug is installed in right technique spiro pluging hole.
9. motor return flushing valve according to claim 1, is characterized in that, rinses on valve seat and is provided with oil distribution casing positioning pin hole.
CN201420650117.XU 2014-11-03 2014-11-03 Motor return flushing valve Withdrawn - After Issue CN204200772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420650117.XU CN204200772U (en) 2014-11-03 2014-11-03 Motor return flushing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420650117.XU CN204200772U (en) 2014-11-03 2014-11-03 Motor return flushing valve

Publications (1)

Publication Number Publication Date
CN204200772U true CN204200772U (en) 2015-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420650117.XU Withdrawn - After Issue CN204200772U (en) 2014-11-03 2014-11-03 Motor return flushing valve

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CN (1) CN204200772U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358748A (en) * 2014-11-03 2015-02-18 南京萨伯工业设计研究院有限公司 Backflow flush valve for motor and control method of backflow flush valve
CN104389836A (en) * 2014-11-29 2015-03-04 南京萨伯工业设计研究院有限公司 Motor flushing valve seat and machining method thereof
CN104930022A (en) * 2015-06-24 2015-09-23 海特克液压有限公司 Hydraulic transmission device with flush valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104358748A (en) * 2014-11-03 2015-02-18 南京萨伯工业设计研究院有限公司 Backflow flush valve for motor and control method of backflow flush valve
CN104358748B (en) * 2014-11-03 2017-03-01 南京萨伯工业设计研究院有限公司 Motor return flushing valve and its control method
CN104389836A (en) * 2014-11-29 2015-03-04 南京萨伯工业设计研究院有限公司 Motor flushing valve seat and machining method thereof
CN104930022A (en) * 2015-06-24 2015-09-23 海特克液压有限公司 Hydraulic transmission device with flush valve

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