CN101793344B - Oil separating valve, oil separating valve combining unit and lubricating system thereof - Google Patents
Oil separating valve, oil separating valve combining unit and lubricating system thereof Download PDFInfo
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- CN101793344B CN101793344B CN2010101276769A CN201010127676A CN101793344B CN 101793344 B CN101793344 B CN 101793344B CN 2010101276769 A CN2010101276769 A CN 2010101276769A CN 201010127676 A CN201010127676 A CN 201010127676A CN 101793344 B CN101793344 B CN 101793344B
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Abstract
The invention discloses an oil separating valve which comprises a valve body. The interior of the valve body is separated into a valve core cavity and a piston cavity. A piston is arranged in the piston cavity. The piston cavity is separated into a lower piston cavity and an upper piston cavity by the piston. A valve core is arranged in the valve core cavity, and comprises an upper plug, a lower plug and a valve rod, wherein the valve rod is used for connecting the upper plug and the lower plug. The upper piston cavity and the lower piston cavity are respectively communicated with the valve core cavity by oil holes of the upper piston cavity and the lower piston cavity which are arranged in the valve body. The wall of the valve core is provided with an oil inlet hole and an oil outlet hole. The wall of the valve core cavity is provided with an oil inlet circular groove, an oil outlet circular groove and a circular groove of an oil hole of the lower piston cavity. The oil outlet hole of the valve core and an oil hole of the upper piston are communicated by the oil outlet circular groove. The valve core cavity is divided into a communicating space by the valve rod, the upper plug and the lower plug. When the valve core is at the oil outlet position, the communicating space is used for communicating the oil inlet hole and the oil hole of the lower piston cavity. When the valve core is at the reset position, the oil hole of the lower piston cavity and the oil hole of the upper piston cavity are communicated. The oil inlet and the oil outlet are arranged on one side of the valve core cavity of the valve body, thereby simplifying the structure of the oil separating valve and enhancing the mounting efficiency.
Description
Technical field
The present invention relates to lubricant oil (fat) separating valve and used the separating valve combining unit of this separating valve and used the lubrication system of this separating valve.
Background technique
At present, all can use various device in commercial production and the life, during equipment operation the wearing and tearing of its moving element bigger, the working life of having reduced equipment.Lubrication system can alleviate the wearing and tearing of moving element in the various device, prolongs the working life of equipment, has therefore obtained using widely.Chinese patent ZL200710106051.2 has provided a kind of valve-type oil feeder; This valve-type oil feeder structurally comprises valve body, separates in the valve body to be provided with spool chamber and piston cavity, is provided with piston in the piston cavity; Piston is divided into lower piston chamber and upper piston chamber with piston cavity; Moving direction roof pressure between the chamber wall in piston and upper piston chamber along piston is provided with resetting means, is provided with spool in the spool chamber, and spool includes upper plug head, lower end cap and is connected the valve rod of upper and lower plug; Upper and lower plug is used for the spool chamber sealed separation is become different portions; Upper and lower piston cavity is connected with spool chamber through lower piston chamber oilhole and the upper piston chamber oilhole that is located in the valve body respectively, and spool chamber is provided with an oil inlet hole, and the upper piston chamber is provided with an oil outlet.Spool has two movement positions during use, is respectively fuel-displaced position and reset position.When spool was positioned at fuel-displaced position, piston moved upward, and external source of lubrication is passed through the downward piston cavity fuel feeding of oil inlet hole, simultaneously the external fuel feeding of oil outlet; When spool was positioned at reset position, upper and lower piston cavity was connected, and piston moves downward under the effect of spring, and the lubricant oil in the lower piston chamber is forced out, and flow to upper piston chamber oilhole through spool chamber.Comparatively complicated on this apparatus structure, and its filler opening and oil outlet be positioned at the not homonymy of valve body, brought inconvenience to installing and using.In addition, this patent does not provide the mode that its described valve-type oil feeder combination is used yet, and can only install singly when in lubrication system, using in a large number, can not modularization connect a plurality of filling valves (device), and working efficiency is lower.
Summary of the invention
The present invention also aims to provide the separating valve that a kind of structure is more simple, be more convenient for installing.
For realizing the foregoing invention purpose, separating valve of the present invention comprises valve body, separates in the valve body to be provided with spool chamber and piston cavity; Be provided with piston in the piston cavity; Piston is divided into lower piston chamber and upper piston chamber with piston cavity, is provided with spool in the spool chamber, and spool includes upper plug head, lower end cap and is connected the valve rod of upper and lower plug; The external diameter of valve rod is less than the external diameter of upper and lower plug; The outer surface of said upper and lower plug and spool chamber internal surface are sealed and matched, and said upper and lower piston cavity is connected with spool chamber through lower piston chamber oilhole and the upper piston chamber oilhole that is located in the valve body respectively, and spool chamber is provided with oil inlet hole, goes up oil outlet and following oil outlet; Be provided with oil through in the valve rod; Spool has three positions; Spool is oil outlet and lower piston chamber oilhole on this oil through is communicated with when last position; Spool when the neutral position this oil through and oil inlet hole, on oil outlet, oil outlet, lower piston chamber oilhole and upper piston chamber oilhole are all isolated down, spool is oil outlet and upper piston chamber oilhole under this oil through is communicated with when upper/lower positions; Valve rod and upper and lower plug are partitioned into communicating space with spool chamber; Spool this communicating space when last position is communicated with oil inlet hole and upper piston chamber oilhole; Spool this communicating space when upper/lower positions is communicated with oil inlet hole and lower piston chamber oilhole, and spool this communicating space when the neutral position only is communicated with oil inlet hole.
Compared with prior art; Separating valve of the present invention all be positioned at spool chamber one side (promptly a filler opening, two oil outlets all are located on the spool) of valve body into and out of hydraulic fluid port (being the collar extension of spool chamber) into and out of oilhole; Piston cavity one side of valve body need not set out hydraulic fluid port separately simultaneously; Operator carry out attended operation in spool chamber one side of valve body and can accomplish installment work of the present invention like this, have improved installation efficiency.When the piston cavity and the spool chamber split of separating valve are set up; And when adopting board-like connection; Can change the piston cavity part very easily; And being connected to the fuel discharge port of lubricating point without dismounting, the oil outlet that dismounting simultaneously is connected to lubricating point during with separating valve of the prior art (device) dismounting is compared removing and installing the piston cavity part when very being convenient to keep in repair.Simultaneously, the setting of two oil outlets also makes separating valve of the present invention under the situation of not readjusting the mounting point, can send oil to two place's lubricating points.
The present invention also aims to provide that another kind is convenient to install, separating valve simple in structure.
For realizing the foregoing invention purpose, separating valve of the present invention comprises valve body, separates in the valve body to be provided with spool chamber and piston cavity; Be provided with piston in the piston cavity; Piston is divided into lower piston chamber and upper piston chamber with piston cavity, is provided with spool in the spool chamber, and spool includes upper plug head, lower end cap and is connected the valve rod of upper and lower plug; The external diameter of valve rod is less than the external diameter of upper and lower plug; The plug outer surface and the spool chamber internal surface of spool are sealed and matched, and said upper and lower piston cavity is connected with spool chamber through lower piston chamber oilhole and the upper piston chamber oilhole that is located in the valve body respectively, and spool chamber is provided with oil inlet hole, goes up oil outlet and following oil outlet; Be provided with oil through in the spool; Spool has two positions; Spool is oil outlet and lower piston chamber oilhole on this oil through is communicated with when last position, spool oil outlet and upper piston chamber oilhole under this oil through connection when upper/lower positions, and valve rod and upper and lower plug are partitioned into communicating space with spool chamber; Spool this communicating space when last position is communicated with oil inlet hole and upper piston chamber oilhole, and spool this communicating space when upper/lower positions is communicated with oil inlet hole and lower piston chamber oilhole.
The present invention also aims to provide a kind of separating valve combining unit that adopts above-mentioned separating valve.
For realizing purpose; Separating valve combining unit of the present invention comprises at least two separating valve; Each separating valve is superimposed successively; The spool chamber oil inlet hole of each separating valve formation oil supply gallery that is interconnected, oil supply gallery are provided with and are used for the separating valve combining unit filler opening that is connected with external lubricant oil (fat) source, and the outer end opening of the oil outlet of each separating valve is all as the oil outlet of separating valve combining unit.
This separating valve combination unit structure is simple; Can select the separating valve of different numbers to interconnect according to the actual demand of lubrication system and form the separating valve combining unit; When separating valve is connected to lubrication system, only need separating valve combining unit filler opening be connected with external lubricant oil (fat) source like this, need not each separating valve be connected with external lubricant oil (fat) source respectively; Also need not carry out fixing respectively to each separating valve simultaneously, these have all improved working efficiency.
The present invention also aims to provide the another kind of separating valve combining unit that adopts said separating valve.
For realizing above-mentioned purpose; Separating valve combining unit of the present invention comprises at least two separating valve; Each separating valve is all board-like to be connected on the base plate; Base plate is provided with the base plate filler opening, and the base plate filler opening is as the filler opening of separating valve combining unit and be communicated with the oil-feed attachment hole that the number with separating valve is complementary, and each oil-feed attachment hole is with the corresponding connection with the base plate filler opening of spool chamber oil inlet hole of each separating valve; Also be provided with the same number of fuel-displaced attachment hole of summation on the base plate with the oil outlet of each separating valve; One end of each fuel-displaced attachment hole is connected with the oil outlet of a separating valve and its other end is communicated with the base plate oil outlet, and the base plate oil outlet is as the oil outlet of separating valve combining unit.
Because each separating valve is all board-like to be connected on the base plate; And separating valve combining unit filler opening and oil outlet all concentrate on the base plate, therefore when the separating valve combining unit is installed, only need on base plate, carry out attended operation, install very convenient; Simultaneously owing to adopted board-like connection; The dismounting on base plate of each separating valve is simple and easy, when a certain separating valve breaks down, can give independent dismounting and change very easily.
The present invention also aims to provide a kind of separating valve combining unit of another kind of structure.
For realizing above-mentioned purpose; Separating valve combining unit of the present invention comprises at least two separating valve; Each separating valve is superimposed successively; The spool chamber oil inlet hole of each separating valve formation oil supply gallery that is interconnected, oil supply gallery are provided with and are used for the separating valve combining unit filler opening that is connected with external lubricant oil (fat) source, are provided with in the valve body of each separating valve to be communicated with the valve body attachment hole of going up oil outlet and following oil outlet; Last oil outlet or time oil outlet are in the closure of openings of valve body surface, and following oil outlet or last oil outlet are as the oil outlet of separating valve combining unit.
Adopt above-mentioned structure, make the separating valve combining unit externally have only a unified filler opening, be convenient to install and use.
The present invention also aims to provide the separating valve combining unit of another kind of structure.
For realizing above-mentioned purpose; Separating valve combining unit of the present invention comprises at least two separating valve; Each separating valve is all board-like to be connected on the base plate; Base plate is provided with the base plate filler opening, and the base plate filler opening is as the filler opening of separating valve combining unit and be communicated with the oil-feed attachment hole that the number with separating valve is complementary, and each oil-feed attachment hole is with the corresponding connection with the base plate filler opening of spool chamber oil inlet hole of each separating valve; Be provided with the same number of connecting passage in the base plate with separating valve; Every connecting passage is provided with fuel-displaced attachment hole, following fuel-displaced attachment hole and connecting passage oil outlet; The connecting passage oil outlet is as separating valve combining unit oil outlet; Described fuel-displaced attachment hole is connected with the last oil outlet of a separating valve, and described fuel-displaced attachment hole down is connected with the following oil outlet of a separating valve.
Adopt above-mentioned structure, make the separating valve combining unit externally have only a unified filler opening, be convenient to install and use.
The present invention also aims to provide a kind of lubrication system of using above-mentioned separating valve.
For realizing the foregoing invention purpose, lubrication system of the present invention comprises oil supply system, field control system and branch oil system, field control system and oil supply system control connection; Divide oil system to comprise separating valve; Oil supply system comprises main oil pipe; Main oil pipe is connected with the oil inlet hole of each separating valve; The oil outlet of each separating valve or the different system's lubricating point of direct connection perhaps are connected with the separating valve of inferior one-level, and the oil outlet of each final stage separating valve is communicated with different system's lubricating points.
Lubrication system architecture of the present invention is simple, has made things convenient for to install and use and later maintenance work.
Description of drawings
Fig. 1 is the sectional structure schematic representation that embodiment one send separating valve under the oil condition;
Fig. 2 is the sectional structure schematic representation of separating valve under embodiment's one reset mode;
Fig. 3 is the right TV structure schematic representation of separating valve combining unit among the embodiment one;
Fig. 4 is the structural representation of lubrication system among the embodiment one to four;
Fig. 5 is the sectional structure schematic representation of separating valve combining unit among the embodiment two;
Fig. 6 is the perspective view of separating valve combining unit among the embodiment two;
Fig. 7 is the sectional structure schematic representation that embodiment three send separating valve under the oil condition;
Fig. 8 is the sectional structure schematic representation of separating valve under embodiment's three reset modes.
Fig. 9 is the structural representation of the separating valve when spool is positioned at the working position among the embodiment four;
Figure 10 is the structural representation of separating valve when spool is arranged in the working position among the embodiment four;
Figure 11 is the structural representation of separating valve when spool is positioned at the working position among the embodiment four;
Figure 12 is the structural representation of separating valve among the embodiment six;
Figure 13 is the A-A sectional view of Figure 12;
Figure 14 is the sectional structure schematic representation of separating valve combining unit among the embodiment seven.
Embodiment
Embodiment one
As depicted in figs. 1 and 2; Separating valve of the present invention comprises valve body 1, separates in the valve body 1 to be provided with spool chamber and piston cavity, is provided with piston 2 in the piston cavity; Piston 2 is divided into lower piston chamber 3 and upper piston chamber 4 with piston cavity; Moving direction roof pressure between the epicoele wall in piston 2 tops and upper piston chamber 4 along piston 2 is provided with resetting means 5, is provided with spool in the spool chamber, and spool includes upper plug head 6, lower end cap 7 and is connected the valve rod 8 of upper and lower plug 6,7; The external diameter of valve rod 8 is less than the external diameter of upper and lower plug 6,7, and the appearance and the spool chamber internal surface of upper and lower plug 6,7 are sealed and matched.Upper and lower piston cavity 3,4 is connected with spool chamber through lower piston chamber oilhole 11 and the upper piston chamber oilhole 12 that is located in the valve body 1 respectively; Spool chamber is provided with a spool chamber oil inlet hole 13 and a spool chamber oil outlet 14; The spool chamber wall is provided with oil-feed circular groove 15, fuel-displaced circular groove 16 and lower piston chamber oilhole circular groove 15A; Spool chamber oil outlet 14 is communicated with by fuel-displaced circular groove 16 with upper piston chamber oilhole 12; Valve rod 8 and upper and lower plug 6,7 are partitioned into communicating space 10 with spool chamber; Spool this communicating space 10 when fuel-displaced position shown in Figure 1 is communicated with oil inlet hole 13 and lower piston chamber oilhole 11, and spool is communicated with lower piston chamber oilhole 11 and upper piston chamber oilhole 12 when reset position shown in Figure 2.Wherein, the drive unit of spool adopts electric control driving device; Resetting means 5 is preferably Returnning spring, also can be the reposition element of other kinds; The chamber wall of the piston cavity of separating valve and the chamber wall of spool chamber can be wholely set; Preferably adopt the split setting; The two adopted the board-like connection that hydrovalve adopts usually when split was provided with; When piston cavity is partly dismantled or installed, just need not as dismounting separating valve of the prior art (device), need dismounting simultaneously to be connected to the external fuel discharge port of lubricating point like this, make things convenient for the maintenance work of piston cavity part.
The working procedure of above-mentioned separating valve is following: spool has two movement positions; Be respectively fuel-displaced position and reset position; When spool is positioned at shown in Figure 1 fuel-displaced position; The lower piston chamber oilhole 11 of spool chamber one side is connected with spool chamber oil inlet hole 13, and fuel-displaced circular groove 16 is blocked by upper plug head 6 and made piston cavity isolated into and out of oilhole 11,12; This moment is under the effect of oil pressure; Lubricant oil (fat) gets into spool chamber from spool chamber oil inlet hole 13; And through lower piston chamber oilhole 11 entering lower piston chambeies 3; Thereby the lubricant oil (fat) that piston 2 is produced thrust upwards and makes piston 2 move upward, in the pressed home spring, push in the upper piston chamber 4 makes it to discharge through upper piston chamber oilhole 12, fuel-displaced circular groove 16 and spool chamber oil outlet 14 backs successively, supplies with the use of oily position.
After sending oil to finish; Under the drive of electric control driving device; Valve core movement is to reset position shown in Figure 2, and this moment, piston cavity was connected through upper and lower plug 6, spool chamber between 7 in spool chamber one side into and out of oilhole 11,12, and lower piston chamber 3 and pressure in the upper piston chamber 4 are balanced each other; This moment, the roof pressure power lower piston 2 at Returnning spring moved downward, and the lubricant oil (fat) in the spool chamber is inhaled into upper piston chamber 4 through upper piston chamber oilhole 12.When piston 2 move downward put in place after, external drive unit drives spool and moves to fuel-displaced position shown in Figure 1, thereby makes separating valve of the present invention begin the oily process of sending of next cycle.
Extremely shown in Figure 3 like Fig. 1; The separating valve combining unit of present embodiment comprises at least two separating valve; Each separating valve is superimposed successively; The spool chamber oil inlet hole 13 of each separating valve is interconnected and forms oil supply gallery 41, and oil supply gallery 41 is provided with and is used for the separating valve combining unit filler opening 30 that is connected with external lubricant oil (fat) source, and the outer end opening of the oil outlet 14 of each separating valve is all as the oil outlet of separating valve combining unit.Filler opening 30 is used for being connected with external lubricant oil (fat) source during use.The flow direction along lubricant oil (fat); The oil supply gallery 41 of the spool chamber oil inlet hole 13 of the last separating valve can only be connected (the oil supply gallery sections that is communicated with next separating valve promptly need not be set) with the spool chamber oil inlet hole 13 of a last separating valve; After also can being set, this sections of oil supply gallery 41 is blocked the oil supply gallery sections that is communicated with next separating valve, in order to avoid should locate leakage of oil when using with plug 20.Wherein, the number of separating valve also can be arranged to more than two or four and four as required.
As shown in Figure 4, the lubrication system of present embodiment comprises oil supply system 50, field control system 55 and divides oil system that field control system is through circuit 54 and oil supply system 50 control connections; Divide oil system to comprise separating valve; Oil supply system 50 comprises main oil pipe 59; Main oil pipe 59 is connected with the spool chamber oil inlet hole 13 of each separating valve; The oil outlet 14 of each separating valve can directly be communicated with different system's lubricating points 8; Also can be connected, can also be communicated with different system's lubricating points 8 through single line separating valve 53 with the oil inlet hole 13 of the separating valve of inferior one-level.Along the flow direction of lubricant oil (fat), the oil outlet 14 of each final stage separating valve can directly be communicated with different system's lubricating points 8, also can be communicated with different system's lubricating points 8 through single line separating valve 53.Certainly, as shown in Figure 4, field control system also can be through remote bus 57 by tele-control system 56 telecontrol.
Embodiment two
Like Fig. 5 and shown in Figure 6; Present embodiment and embodiment's one difference is: each separating valve is all board-like to be connected on the base plate 17; Base plate 17 is provided with base plate filler opening 18; Base plate filler opening 18 is communicated with the oil-feed attachment hole 19 that the number with separating valve is complementary, and each oil-feed attachment hole 19 is the spool chamber oil inlet hole 13 and the 18 corresponding connections of base plate filler opening of each separating valve, and base plate filler opening 18 is simultaneously as the filler opening of separating valve combining unit.On the base plate 17 be provided with and the same number of fuel-displaced attachment hole of separating valve 22 and base plate oil outlet 21; One end of each fuel-displaced attachment hole 22 is connected with the oil outlet 14 of a separating valve and its other end is communicated with a base plate oil outlet 21, and promptly each fuel-displaced attachment hole 22 is interconnected the spool chamber oil outlet 14 of each separating valve with each base plate oil outlet 21 correspondingly.Wherein, 21 whiles of base plate oil outlet are as the oil outlet of separating valve combining unit.The spool chamber oil inlet hole 13 of each separating valve only need be connected with the oil-feed attachment hole 19 on the base plate 17, and needn't connect valve body in front and back.In addition; Present embodiment and embodiment's one difference also is: by the filler opening of base plate filler opening 18 as the separating valve combining unit, so the filler opening label (label of the filler opening of separating valve combining unit is 30 among the embodiment one) no longer separately of separating valve combining unit in the present embodiment; Simultaneously, the oil outlet of separating valve combining unit is a base plate oil outlet 21 in the present embodiment, is different among the embodiment one outer end opening of the oil outlet 14 of the separating valve oil outlet as the separating valve combining unit.
During use, only need base plate 17 is connected in the lubrication system with oil outlet 21 through its filler opening 18, need not each separating valve is connected respectively.Owing to adopted board-like connection, the dismounting on base plate 17 of each separating valve is simple and easy, when a certain separating valve breaks down, can give independent dismounting and change very easily.
Embodiment three
Like Fig. 7 and shown in Figure 8; Present embodiment and embodiment's two difference is: the upper and lower of valve rod 8 is respectively equipped with at a distance from dish 31 and lower partitioning disk 32; Go up at a distance from forming the oil pocket 33 that resets between dish 31 and the upper plug head 6; Form the oil pocket 34 that resets down between lower partitioning disk 32 and the lower end cap 7, upper and lower at a distance from dish 31, oil pocket 35 in the formation between 32.Be provided with oil through 36 in the valve rod 8, the two ends of oil through 36 opening respectively are respectively upper shed 37 and under shed 38 on the valve rod 8 at upper and lower oil pocket 33,34 places that reset.
The working procedure of present embodiment is following: spool has two movement positions; Be respectively fuel-displaced position and reset position; When spool is positioned at shown in Figure 7 fuel-displaced position; The lower piston chamber oilhole 11 of spool chamber one side is connected with spool chamber oil inlet hole 13, and fuel-displaced circular groove 16 is blocked by upper plug head 6 and made piston cavity isolated into and out of oilhole 11,12; This moment is under the effect of oil pressure; Lubricant oil (fat) gets into spool chamber from spool chamber oil inlet hole 13; And through lower piston chamber oilhole 11 entering lower piston chambeies 3; Thereby the lubricant oil (fat) that piston 2 is produced thrust upwards and makes piston 2 move upward, in the pressed home spring, push in the upper piston chamber 4 makes it to discharge through upper piston chamber oilhole 12, fuel-displaced circular groove 16 and spool chamber oil outlet 14 backs successively, supplies with the use of oily position.
When spool is positioned at reset position shown in Figure 8; Lower piston chamber oilhole 11 with under the oil pocket 34 that resets be connected; Upper piston chamber oilhole 12 with on the oil pocket 33 that resets be connected; The upper and lower oil pocket 33,34 of resetting is connected through the oil through on the valve rod 8, and piston cavity just is interconnected into and out of oilhole 11,12 like this, and lower piston chamber 3 and pressure in the upper piston chamber 4 are balanced each other; Move downward at the roof pressure power lower piston 2 of Returnning spring this moment, make in the lower piston chamber 3 lubricant oil (fat) successively through lower piston chamber oilhole 11, down reset oil pocket 34, oil through, on reset oil pocket 33 and upper piston chamber oilhole 12 be inhaled into upper piston chamber 4.When piston 2 move downward put in place after, external drive unit drives spool and moves to fuel-displaced position shown in Figure 7, thereby makes separating valve of the present invention begin the oily process of sending of next cycle.
Embodiment three compares with embodiment one; Spool chamber oil inlet hole 13 is at upper and lower piston cavity oilhole 11, between 12 (spool chamber oil inlet hole 13 is positioned at the position below the opening of lower piston chamber oilhole 11 at spool chamber among the embodiment one); Make the spool chamber part can directly use the valve body of the 3-position 4-way guiding valve in (in the existing technology) hydrovalve; Can the valve body of existing 3-position 4-way guiding valve be transform as the spool chamber part in the present embodiment and only on valve core of the spool valve, increase the logical hydraulic fluid port of spool, need not make the spool chamber part separately.
Embodiment four
Extremely shown in Figure 11 like Fig. 9; Present embodiment is that with embodiment one difference the structure of separating valve is different, and the separating valve of present embodiment comprises valve body 1, separates in the valve body 1 to be provided with spool chamber and piston cavity; Be provided with piston 2 in the piston cavity; Piston 2 is divided into lower piston chamber 3 and upper piston chamber 4 with piston cavity, is provided with spool in the spool chamber, and spool includes upper plug head 6, lower end cap 7 and is connected the valve rod 8 of upper and lower plug 6,7; The external diameter of valve rod is less than the external diameter of upper and lower plug; The outer surface and the spool chamber internal surface of said upper and lower plug 6,7 are sealed and matched, and said upper and lower piston cavity 3,4 is connected with spool chamber through lower piston chamber oilhole 11 and the upper piston chamber oilhole 12 that is located in the valve body 1 respectively, and spool chamber is provided with oil inlet hole 13, goes up oil outlet 14A and following oil outlet 14B; Be provided with oil through 36 in the valve rod 8, spool has three positions, and is shown in figure 11, and spool this oil through 36 when last position is communicated with oil outlet 14A and lower piston chamber oilhole 11; Shown in figure 10, spool when the neutral position this oil through 36 and oil inlet hole 13, on oil outlet 14A, oil outlet 14B, lower piston chamber oilhole 11 and upper piston chamber oilhole 12 are all isolated down; As shown in Figure 9, spool is oil outlet 14B and upper piston chamber oilhole 12 under this oil through 36 is communicated with when upper/lower positions.Extremely shown in Figure 11 like Fig. 9; Valve rod 8 and upper and lower plug 6,7 are partitioned into communicating space 10 with spool chamber; Spool this communicating space 10 when last position is communicated with oil inlet hole 13 and upper piston chamber oilhole 12; Spool this communicating space 10 when upper/lower positions is communicated with oil inlet hole 13 and lower piston chamber oilhole 11, and spool this communicating space when the neutral position only is communicated with oil inlet hole 13.
The working procedure of separating valve in the present embodiment is detailed below:
Spool has three working positions, upper, middle and lower, and three working positions of spool are three kinds of working staties of corresponding separating valve respectively.As shown in Figure 9; When spool is positioned at the working position; Oil through 36 is communicated with oil outlet 14B and upper piston chamber oilhole 12 down, and oil inlet hole 13 is connected with lower piston chamber oilhole 11 through communicating space 10, and lubricant oil (fat) is from the upper and lower plug of spool chamber oil inlet hole 13 entering 6, spool chamber between 7 at this moment; Get into lower piston chamber 3 through lower piston chamber oilhole 11 then; Effect lower piston 2 at oil pressure moves up, thereby the lubricant oil (fat) in the upper piston chamber 4 is pressed into upper piston chamber oilhole 12, and this parts of lubricating oil (fat) gets into down through oil through 36 and discharges behind the oil outlet 14B.Shown in figure 10; When spool was positioned at middle working position, 10 of communicating spaces were communicated with oil inlet hole 13, and upper piston chamber oilhole 12 is all sealed by upper plug head 6 with the opening of last oil outlet 14A in spool chamber; Lower piston chamber oilhole 11 is all sealed by lower end cap 7 with the opening of following oil outlet 14B in spool chamber; This moment, upper and lower oil outlet 14A, 14B were neither fuel-displaced, all not oil-feeds in the upper and lower piston cavity 4,3, and the piston 2 in the piston cavity is transfixion also; The present invention is in idle state, does not just place intermediate position shown in Figure 10 to spool when not needing fuel feeding at ordinary times.Shown in figure 11; When spool is positioned at the working position; Oil through 36 is communicated with goes up oil outlet 14A and lower piston chamber oilhole 11, and oil inlet hole 13 is connected with upper piston chamber oilhole 12 through communicating space 10, and lubricant oil (fat) is from the upper and lower plug of spool chamber oil inlet hole 13 entering 6, communicating space 10 between 7 at this moment; Get into upper piston chamber 4 through upper piston chamber oilhole 12 then; Effect lower piston at oil pressure moves down, thereby the lubricant oil (fat) in the lower piston chamber 3 is pressed into lower piston chamber oilhole 11, and this parts of lubricating oil (fat) gets into upward through oil through 36 and discharges behind the oil outlet 14A.
Compare with embodiment one, adopt the structure of present embodiment, resetting means need not be set in piston cavity, also need not adjust the mounting point of separating valve and can send oil to two place's lubricating points in the cycle at a stroke of piston.
Embodiment five
Like Fig. 9 and shown in Figure 11, present embodiment and embodiment's four difference is: said spool only has upper and lower two working positions, and device for driving valve body has been simplified in the working position in the middle of not having.
Embodiment six
Like Figure 12 and shown in Figure 13, present embodiment and embodiment's four difference is:
Be provided with in the valve body of each separating valve in the separating valve combining unit of the separating valve of present embodiment and be communicated with the valve body attachment hole 62 of going up oil outlet 14A and following oil outlet 14B; Last oil outlet 14A or down oil outlet 14B at the closure of openings of valve body surface (shown in Figure 12 for oil outlet 14B in the closure of openings of valve body surface) down, following oil outlet 14B or go up oil outlet 14A at the opening of valve body surface oil outlet 63 (going up the oil outlet of oil outlet shown in Figure 12) as the separating valve combining unit as the separating valve combining unit.
Embodiment seven
Shown in figure 14, present embodiment and embodiment's four difference is that the structure of separating valve combining unit is different:
Be provided with the same number of connecting passage 61 in the base plate 17 of the separating valve combining unit of present embodiment with separating valve; Every connecting passage is provided with fuel-displaced attachment hole 61B, following fuel-displaced attachment hole 61C and connecting passage oil outlet 61A; The oil outlet 61A of connecting passage 61 is as separating valve combining unit oil outlet; Described fuel-displaced attachment hole 61B is connected with the last oil outlet 14A of a separating valve, and described fuel-displaced attachment hole 61C down is connected with the following oil outlet 14B of a separating valve.
Claims (7)
1. separating valve comprises valve body, separates in the valve body to be provided with spool chamber and piston cavity; Be provided with piston in the piston cavity; Piston is divided into lower piston chamber and upper piston chamber with piston cavity, is provided with spool in the spool chamber, and spool includes upper plug head, lower end cap and is connected the valve rod of upper and lower plug; The external diameter of valve rod is less than the external diameter of upper and lower plug; The outer surface of said upper and lower plug and spool chamber internal surface are sealed and matched, and it is characterized in that: said upper and lower piston cavity is connected with spool chamber through lower piston chamber oilhole and the upper piston chamber oilhole that is located in the valve body respectively, and spool chamber is provided with oil inlet hole, goes up oil outlet and following oil outlet; Be provided with oil through in the valve rod; Spool has three positions; Spool is oil outlet and lower piston chamber oilhole on this oil through is communicated with when last position; Spool when the neutral position this oil through and oil inlet hole, on oil outlet, oil outlet, lower piston chamber oilhole and upper piston chamber oilhole are all isolated down, spool is oil outlet and upper piston chamber oilhole under this oil through is communicated with when upper/lower positions; Valve rod and upper and lower plug are partitioned into communicating space with spool chamber; Spool this communicating space when last position is communicated with oil inlet hole and upper piston chamber oilhole; Spool this communicating space when upper/lower positions is communicated with oil inlet hole and lower piston chamber oilhole, and spool this communicating space when the neutral position only is communicated with oil inlet hole.
2. separating valve comprises valve body, separates in the valve body to be provided with spool chamber and piston cavity; Be provided with piston in the piston cavity; Piston is divided into lower piston chamber and upper piston chamber with piston cavity, is provided with spool in the spool chamber, and spool includes upper plug head, lower end cap and is connected the valve rod of upper and lower plug; The external diameter of valve rod is less than the external diameter of upper and lower plug; The plug outer surface and the spool chamber internal surface of spool are sealed and matched, and it is characterized in that: said upper and lower piston cavity is connected with spool chamber through lower piston chamber oilhole and the upper piston chamber oilhole that is located in the valve body respectively, and spool chamber is provided with oil inlet hole, goes up oil outlet and following oil outlet; Be provided with oil through in the spool; Spool has two positions; Spool is oil outlet and lower piston chamber oilhole on this oil through is communicated with when last position, spool oil outlet and upper piston chamber oilhole under this oil through connection when upper/lower positions, and valve rod and upper and lower plug are partitioned into communicating space with spool chamber; Spool this communicating space when last position is communicated with oil inlet hole and upper piston chamber oilhole, and spool this communicating space when upper/lower positions is communicated with oil inlet hole and lower piston chamber oilhole.
3. adopt the separating valve combining unit of claim 1 or 2 said separating valves; It is characterized in that: comprise at least two separating valve; Each separating valve is superimposed successively; The spool chamber oil inlet hole of each separating valve formation oil supply gallery that is interconnected, oil supply gallery are provided with and are used for the separating valve combining unit filler opening that is connected with external lubricant oil or lubricating grease source, and the outer end opening of the oil outlet of each separating valve is all as the oil outlet of separating valve combining unit.
4. adopt the separating valve combining unit of claim 1 or 2 said separating valves; It is characterized in that: comprise at least two separating valve; Each separating valve is all board-like to be connected on the base plate; Base plate is provided with the base plate filler opening, and the base plate filler opening is as the filler opening of separating valve combining unit and be communicated with the oil-feed attachment hole that the number with separating valve is complementary, and each oil-feed attachment hole is with the corresponding connection with the base plate filler opening of spool chamber oil inlet hole of each separating valve; Also be provided with the same number of fuel-displaced attachment hole of summation on the base plate with the oil outlet of each separating valve; One end of each fuel-displaced attachment hole is connected with the oil outlet of a separating valve and its other end is communicated with the base plate oil outlet, and the base plate oil outlet is as the oil outlet of separating valve combining unit.
5. adopt the separating valve combining unit of claim 1 or 2 said separating valves; It is characterized in that: comprise at least two separating valve; Each separating valve is superimposed successively; The spool chamber oil inlet hole of each separating valve formation oil supply gallery that is interconnected, oil supply gallery are provided with and are used for the separating valve combining unit filler opening that is connected with external source of lubrication or lubricating grease source, are provided with in the valve body of each separating valve to be communicated with the valve body attachment hole of going up oil outlet and following oil outlet; Last oil outlet or time oil outlet are in the closure of openings of valve body surface, and following oil outlet or last oil outlet are as the oil outlet of separating valve combining unit.
6. adopt the separating valve combining unit of claim 1 or 2 said separating valves; It is characterized in that: comprise at least two separating valve; Each separating valve is all board-like to be connected on the base plate; Base plate is provided with the base plate filler opening, and the base plate filler opening is as the filler opening of separating valve combining unit and be communicated with the oil-feed attachment hole that the number with separating valve is complementary, and each oil-feed attachment hole is with the corresponding connection with the base plate filler opening of spool chamber oil inlet hole of each separating valve; Be provided with the same number of connecting passage in the base plate with separating valve; Every connecting passage is provided with fuel-displaced attachment hole, following fuel-displaced attachment hole and connecting passage oil outlet; The connecting passage oil outlet is as separating valve combining unit oil outlet; Described fuel-displaced attachment hole is connected with the last oil outlet of a separating valve, and described fuel-displaced attachment hole down is connected with the following oil outlet of a separating valve.
7. adopt the lubrication system of claim 1 or 2 said separating valves, it is characterized in that: comprise oil supply system, field control system and branch oil system, field control system and oil supply system control connection; Divide oil system to comprise separating valve; Oil supply system comprises main oil pipe; Main oil pipe is connected with the oil inlet hole of each separating valve; The oil outlet of each separating valve or the different system's lubricating point of direct connection perhaps are connected with the separating valve of inferior one-level, and the oil outlet of each final stage separating valve is communicated with different system's lubricating points.
Priority Applications (1)
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CN2010101276769A CN101793344B (en) | 2010-02-22 | 2010-02-22 | Oil separating valve, oil separating valve combining unit and lubricating system thereof |
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CN2010101276769A CN101793344B (en) | 2010-02-22 | 2010-02-22 | Oil separating valve, oil separating valve combining unit and lubricating system thereof |
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CN101793344A CN101793344A (en) | 2010-08-04 |
CN101793344B true CN101793344B (en) | 2012-05-23 |
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CN2010101276769A Expired - Fee Related CN101793344B (en) | 2010-02-22 | 2010-02-22 | Oil separating valve, oil separating valve combining unit and lubricating system thereof |
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CN111412814A (en) * | 2020-01-16 | 2020-07-14 | 浙江华钜汽车零部件股份有限公司 | Ball cage cup height is examined utensil |
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CN101553685A (en) * | 2006-10-20 | 2009-10-07 | 林肯有限公司 | Lubricant distributor |
CN101561076A (en) * | 2009-03-09 | 2009-10-21 | 职子竖 | Method for monitoring lubricant distribution system and lubricant distribution system using same |
CN201610999U (en) * | 2010-02-22 | 2010-10-20 | 启东润滑设备有限公司 | Oil distribution valve and oil distribution valve combination unit and its lubrication system |
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2010
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Patent Citations (9)
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DE3836594A1 (en) * | 1988-10-27 | 1990-05-03 | Bielomatik Leuze & Co | Lubrication device |
US5480004A (en) * | 1994-11-09 | 1996-01-02 | Lubriquip, Inc. | Crossport and singling manifold for a series progressive divider valve |
CN1862072A (en) * | 2006-06-15 | 2006-11-15 | 王东升 | Valve type oil feeder |
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