CN203068105U - Oil distributor, grease injection mechanism and engineering machinery - Google Patents

Oil distributor, grease injection mechanism and engineering machinery Download PDF

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Publication number
CN203068105U
CN203068105U CN 201220710865 CN201220710865U CN203068105U CN 203068105 U CN203068105 U CN 203068105U CN 201220710865 CN201220710865 CN 201220710865 CN 201220710865 U CN201220710865 U CN 201220710865U CN 203068105 U CN203068105 U CN 203068105U
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CN
China
Prior art keywords
outlet
oil circuit
cavity volume
spool
valve body
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.)
Expired - Fee Related
Application number
CN 201220710865
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Chinese (zh)
Inventor
罗福胜
王勇刚
钟琦
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Sany Automobile Manufacturing Co Ltd
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Sany Automobile Manufacturing Co Ltd
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Priority to CN 201220710865 priority Critical patent/CN203068105U/en
Application granted granted Critical
Publication of CN203068105U publication Critical patent/CN203068105U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an oil distributor, a grease injection mechanism and engineering machinery. The oil distributor comprises a valve, wherein a first valve core and a second valve core are arranged inside the valve, a first inlet, a second inlet, a first outlet and a second outlet are arranged on the valve, two ends of the first valve core and the valve form a first containing cavity and a second containing cavity, an oil line of the first outlet and/or an oil line of the second outlet are provided with throttling devices, and the oil line of the first outlet and the oil line of the second outlet are also communicated with each other through a connection oil line. The oil distributor, the grease injection mechanism and the engineering machinery have the advantages of being adjustable in grease outlet quantity, simple in structure, easy to implement, and the like.

Description

A kind of oil separator, fat injecting mechanism and engineering machinery
Technical field
The utility model relates generally to lubricated field, specifically, relates to a kind of oil separator, and the fat injecting mechanism and the engineering machinery that comprise this oil separator.
Background technique
Engineering machinery need to play lubrication, be avoided the wearing and tearing of mechanical part to a plurality of lubricating point supply lubricating grease in operation process.Oil separator is a kind of for the lubricating grease assigned unit, and pump is to oil separator from the fat pump for high-pressure grease, and oil separator is dispensed to each lubricating point with lubricating grease.
Fig. 1 is a kind of oil separator of prior art, it comprises valve body 1', in this valve body 1', be provided with the first spool 21' and the second spool 22', and offer the first import P1', the second import P2', the first outlet A1' and the second outlet A2' at valve body 1', the first spool 21' two ends and valve body 1' are formed with the first cavity volume 31' and the second cavity volume 32' respectively, when the first import P1' advances fat, promoting the second spool 22' moves with first direction, the described second spool 22' stops the first outlet A1', goes out fat from the second cavity volume 32' to the second outlet A2'; When the second import P2' advances fat, promote the second spool 22' and move with second direction, the described second spool 22' stops the second outlet A2', goes out fat from the first cavity volume 31' to the first outlet A1'.The aforementioned first import P1' and the second import P2' connect the fat pump as the driving mouth that drives second spool 22' action; The aforementioned first outlet A1' is connected each lubricating point with the second outlet A2'.
For technique scheme, mainly there is following narrow limitation:
When 1) going out fat, the film output amount of the first outlet A1' and the second outlet A2' determines that by stroke and the sectional area of the first spool 21' because structure and the volume of the first spool 21' are non-adjustable, then the every work of fat pump film output amount once is non-adjustable at every turn;
2) film output amount of the first outlet A1' and the second outlet A2' equates, and is fixing nonadjustable.
In actual applications, the needed lubricating grease amount of different lubricating points difference might appear.If the film output amount of each each outlet is all identical, part lubricating point lubricating grease then can occur and lack, and the too much phenomenon of part lubricating point lubricating grease, existing chip oil separator is difficult to satisfy the diversified demand in the practical application.
The model utility content
In view of this, the purpose of this utility model is to provide a kind of oil separator, and this oil separator can be regulated the distribution of lubricating grease between first outlet and second outlet in first cavity volume and second cavity volume, satisfies different applications.
Oil separator of the present utility model, comprise valve body, in this valve body, be provided with first spool and second spool, and offer first import, second import, first outlet and second outlet at valve body, the first spool two ends and valve body are formed with first cavity volume and second cavity volume respectively, the oil circuit of the oil circuit of described first outlet and/or described second outlet is provided with throttling arrangement, and the oil circuit of the oil circuit of described first outlet and described second outlet is communicated with by being connected oil circuit.
The oil separator of said structure, when described first cavity volume exported out fat to first, lubricating grease branched to described second outlet through described connection oil circuit, and when described second cavity volume exported out fat to second, lubricating grease branched to described first outlet through described connection oil circuit.
Further, described throttling arrangement is variable orifice, and described variable orifice is adjusted the overflow section of lubricating grease by manual components.
Further, the tie point of described connection oil circuit and the first outlet oil circuit is between described first cavity volume and described throttling arrangement, and the tie point of described connection oil circuit and the second outlet oil circuit is between described second cavity volume and described throttling arrangement.
Further, described throttling arrangement is arranged on the described valve body.
Further, described connection oil circuit is opened on the described valve body.
Further, described connection oil circuit is set side by side with many.
Further, described connection oil circuit is arranged at described first outlet with described throttling arrangement and exports on the exterior line that is connected with second.
Further, described first spool comprises first shaft shoulder, and first axle journal and second axle journal that are positioned at first shaft shoulder two ends, and described first shaft shoulder can slide in valve body vertically, and the cross section size of described first axle journal and second axle journal is identical;
Described second spool comprises the 3rd axle journal, and second shaft shoulder and the 3rd shaft shoulder that are positioned at the 3rd axle journal two ends, and when described first cavity volume went out fat, described the 3rd shaft shoulder stopped described second outlet; When described second cavity volume went out fat, described second shaft shoulder stopped described first outlet.
Another purpose of the present utility model, a kind of fat injecting mechanism also is provided, comprise the fat pump, and be provided with aforementioned each oil separator, described fat pump connects described first import and second import, and alternately to described first import and second import supply lubricating grease, described first outlet is used for being connected lubricating point with second outlet.
Another purpose of the present utility model also provides a kind of engineering machinery, and described engineering machinery is provided with aforesaid fat injecting mechanism.
The first outlet oil circuit of the present utility model is communicated with by being connected oil circuit with the second outlet oil circuit, and the oil circuit of the oil circuit of first outlet and/or second outlet is provided with throttling arrangement.Going out fat with first cavity volume is example, if the overflow section of throttling arrangement is transferred greatly, then the film output amount increase of first outlet, the film output amount of second outlet reduce; If the overflow section of throttling arrangement is turned down, then the film output amount of first outlet reduces, the film output amount of second outlet increases.
The utility model can correspondingly be adjusted film output amount according to the demand of each lubricating point to lubricating grease, thereby satisfies the diversified demand in the practical application; In addition, the utility model namely can be realized the technique effect that film output amount is adjustable in that existing structure is changed under the less situation, has advantage simple in structure, easy to implement.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the oil separator of prior art;
Fig. 2 is the utility model one embodiment's oil separator goes out fat at second cavity volume phase diagram;
Fig. 3 is oil separator embodiment illustrated in fig. 2 goes out fat at first cavity volume phase diagram;
Fig. 4 is the structural representation of the utility model one embodiment's first spool;
Fig. 5 is the structural representation of the utility model one embodiment's second spool.
Description of reference numerals:
Valve body-1 first spool-21 second spool-22 first import-P1 second import-P2 first outlet-the A1 second outlet-A2 first cavity volume-31 second cavity volume-32 throttling arrangement-4 connects oil circuit-5 first shaft shoulder-1a second shaft shoulder-2a the 3rd shaft shoulder-3a first axle journal-1b second axle journal-2b the 3rd axle journal-3b
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment in the utility model can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 2 and Fig. 3 are that the utility model one embodiment's oil separator goes out the phase diagram that fat and first cavity volume 31 go out fat at second cavity volume 32 respectively.This embodiment's oil separator comprises valve body 1, in this valve body 1, be provided with first spool 21 and second spool 22, and offer the first import P1, the second import P2, the first outlet A1 and the second outlet A2 at valve body 1, first spool, 21 two ends and valve body 1 are formed with first cavity volume 31 and second cavity volume 32 respectively.
This valve body 1 constitutes the shell of oil separator, and this valve body 1 inside is provided with the inner chamber that supplies first spool 21 and second spool 22 to move.The structure of first spool 21 can be with reference to figure 5 with reference to the structure of figure 4, the second spools 22.Alternately store lubricating grease in first cavity volume 31 and second cavity volume 32.
Fig. 4 is the structural representation of the utility model one embodiment's first spool 21, comprise first shaft shoulder 1a, and the first axle journal 1b and the second axle journal 2b that are positioned at first shaft shoulder 1a two ends, first shaft shoulder 1a can slide in valve body 1 vertically, and the first axle journal 1b is identical with the cross section size of the second axle journal 2b.On the basis of technique scheme, identical with the lubricating grease amount of storage in second cavity volume 32 at first cavity volume 31.
Fig. 5 is the structural representation of the utility model one embodiment's second spool 22, comprises the 3rd axle journal 3b, and second shaft shoulder 2a and the 3rd shaft shoulder 3a that are positioned at the 3rd axle journal 3b two ends, and when first cavity volume 31 went out fat, the 3rd shaft shoulder 3a stopped the second outlet A2; When second cavity volume 32 went out fat, second shaft shoulder 2a stopped the first outlet A1.In addition, can also in the middle of the 3rd axle journal 3b another the 4th shaft shoulder be set, second spool 22 endwisely slips in valve body 1, and the 4th shaft shoulder can play the guiding role.
At state shown in Figure 2, the first import P1 advances fat, promotes second spool 22 and moves (be descending in orientation shown in Figure 2) with first direction, and second spool 22 stops the first outlet A1; Meanwhile, the high-pressure grease that enters from the first import P1 promotes first spool 21 and moves (descending) with first direction, and lubricating grease enters in first cavity volume 31 and stores; 21 extruding of first spool are positioned at the lubricating grease of second cavity volume, 32 storages of its lower end, go out fat from second cavity volume 32.
At state shown in Figure 3, the second import P2 advances fat, promotes second spool 22 and moves (be up in orientation shown in Figure 3) with second direction, and second spool 22 stops the second outlet A2; Meanwhile, the high-pressure grease that enters from the second import P2 promotes first spool 21 and moves (up) with second direction, and lubricating grease enters in second cavity volume 32 and stores; 21 extruding of first spool are located thereon the lubricating grease that stores in first cavity volume 31 of end, go out fat from first cavity volume 31.
Further, in Fig. 2 and embodiment shown in Figure 3, oil separator also comprises throttling arrangement 4, and this throttling arrangement 4 is arranged on the oil circuit of the oil circuit of the first outlet A1 and/or the second outlet A2.Area of passage or the length flow that can control outlet port lubricating grease of this throttling arrangement 4 by changing each oil circuit.Preferably on the oil circuit of the first outlet A1 and the second outlet A2, respectively be provided with 1 throttling arrangement 4.
The oil circuit of this first outlet A1 and oil circuit of the second outlet A2 can be the oil ducts that is opened on the valve body 1, also can be with the first outlet A1 and the second outlet A2 external go out the fatty oil road, all can realize technique effect of the present utility model.
This throttling arrangement 4 can be parts such as throttle valve, and its overflow section can be constant, also can adjust.Throttling arrangement 4 is preferably variable orifice, and this variable orifice is adjusted the overflow section of lubricating grease by manual components.This manual components can be adjusting handle.
In addition, the oil circuit of the oil circuit of the first outlet A1 and the described second outlet A2 is communicated with by being connected oil circuit 5.When first cavity volume 31 went out fat to the first outlet A1, lubricating grease branched to the second outlet A2 through connecting oil circuit 5, and when second cavity volume 32 went out fat to the second outlet A2, lubricating grease branched to the first outlet A1 through connecting oil circuit 5.
Further, connect the tie point of oil circuit 5 and the first outlet A1 oil circuit between first cavity volume 31 and throttling arrangement 4, connect the tie point of oil circuit 5 and the second outlet A2 oil circuit between second cavity volume 32 and throttling arrangement 4.Thereby by after connecting oil circuit 5 shuntings, carry out the throttling control of throttling arrangement 4 more earlier.
On the basis of technique scheme, can export A1 and second distribution that exports between the A2 first by the lubricating grease that throttling arrangement 4 is regulated in first cavity volume 31 and second cavity volume 32.As previously mentioned, when the cross section of the first axle journal 1b and second axle journal 2b size is identical, identical with the lubricating grease amount of storage in second cavity volume 32 at first cavity volume 31.In going out the fat process each time, the lubricating grease total amount that exports the A2 outflow from the first outlet A1 and second is constant.
Therefore, for the throttling arrangement 4 on the oil circuit that is installed on the first outlet A1, if its overflow section is transferred greatly, then the film output amount of the film output amount increase of the first outlet A1, the second outlet A2 reduces; If its overflow section is turned down, then the film output amount of the first outlet A1 reduces, the film output amount of the second outlet A2 increases.
Similarly, for the throttling arrangement 4 on the oil circuit that is installed on the second outlet A2, if its flow section is transferred big, then the film output amount of the first outlet A1 reduces, the film output amount of the second outlet A2 increases; If its overflow section is turned down, then the film output amount of the film output amount increase of the first outlet A1, the second outlet A2 reduces.
By above-mentioned adjustment to throttling arrangement 4, namely can correspondingly adjust film output amount, thereby satisfy the diversified demand in the practical application according to the demand of each lubricating point to lubricating grease, very convenient to use.
Need to prove that this throttling arrangement 4 both can be connected on the oil circuit that is connected with the first outlet A1 and/or the second outlet A2, also can be arranged on the valve body 1 outward, the utility model is not limited to this.
As a kind of mode of execution, connection oil circuit 5 is arranged on the exterior line that is connected with the first outlet A1 and the second outlet A2 with throttling arrangement 4, correspondingly reequip by the oil separator to existing structure, namely can realize the technique effect that the utility model film output amount is adjustable, make and should use very convenient.
In addition, in Fig. 2 and embodiment shown in Figure 3, connect oil circuit 5 and be opened on the valve body 1, this connections oil circuit 5 is arranged at the first outlet A1 and second and exports between the A2.This first outlet A1 and the second outlet A2 be arranged in parallel, connect oil circuit 5 perpendicular to the first outlet A1 and the second outlet A2.This connection oil circuit 5 can arrange one, also can be set side by side with many, thereby is convenient to the shunting of lubricating grease on the first outlet A1 and the second outlet A2.
Except aforementioned oil separator, the utility model also provides a kind of fat injecting mechanism that is provided with aforementioned oil separator.This fat injecting mechanism also comprises the fat pump, and this fat pump connects the first import P1 and the second import P2, and alternately to the first import P1 and second import P2 supply lubricating grease, the first outlet A1 is used for being connected lubricating point with the second outlet A2.
Further, the utility model also provides a kind of engineering machinery that is provided with aforementioned fat injecting mechanism.This project machinery can be as concrete works machinery, Hoisting Machinery, pavement construction machinery, harbour machinery, Coal Mechanical, excavation machinery etc.
In sum, the oil circuit of the first outlet A1 of the present utility model, the second outlet A2 is communicated with by connecting oil circuit 5, and the oil circuit of the oil circuit of the first outlet A1 and/or the second outlet A2 is provided with throttling arrangement 4.Compared with prior art, the utlity model has following advantage:
1) film output amount is adjustable
Going out fat with first cavity volume 31 is example, if the overflow section of throttling arrangement 4 is transferred greatly, then the film output amount of the film output amount increase of the first outlet A1, the second outlet A2 reduces; If the overflow section of throttling arrangement 4 is turned down, then the film output amount of the first outlet A1 reduces, the film output amount of the second outlet A2 increases.Thereby can correspondingly adjust film output amount according to the demand of each lubricating point to lubricating grease, thereby satisfy the diversified demand in the practical application.
2) simple in structure, easy to implement
The utility model namely can be realized the technique effect that film output amount is adjustable in that existing structure is changed under the less situation, has advantage simple in structure, easy to implement.
Therefore, the beneficial effects of the utility model are significant.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. oil separator, comprise valve body (1), in this valve body (1), be provided with first spool (21) and second spool (22), and offer first import (P1) at valve body (1), second import (P2), first outlet (A1) and second outlet (A2), first spool (21) two ends and valve body (1) are formed with first cavity volume (31) and second cavity volume (32) respectively, it is characterized in that, the oil circuit of the oil circuit of described first outlet (A1) and/or described second outlet (A2) is provided with throttling arrangement (4), and the oil circuit of the oil circuit of described first outlet (A1) and described second outlet (A2) also is communicated with by being connected oil circuit (5).
2. oil separator according to claim 1 is characterized in that, described throttling arrangement (4) is variable orifice, and described variable orifice is adjusted the overflow section of lubricating grease by manual components.
3. oil separator according to claim 1, it is characterized in that, the tie point of described connection oil circuit (5) and first outlet (A1) oil circuit is positioned between described first cavity volume (31) and the described throttling arrangement (4), and the tie point of described connection oil circuit (5) and second outlet (A2) oil circuit is positioned between described second cavity volume (32) and the described throttling arrangement (4).
4. oil separator according to claim 1 is characterized in that, described throttling arrangement (4) is arranged on the described valve body (1).
5. oil separator according to claim 1 is characterized in that, described connection oil circuit (5) is opened on the described valve body (1).
6. oil separator according to claim 5 is characterized in that, described connection oil circuit (5) is set side by side with many.
7. oil separator according to claim 1 is characterized in that, described connection oil circuit (5) and described throttling arrangement (4) are arranged at described first outlet (A1) and second and export on the exterior line that (A2) be connected.
8. according to each described oil separator of claim 1-6, it is characterized in that:
Described first spool (21) comprises first shaft shoulder (1a), and first axle journal (1b) and second axle journal (2b) that are positioned at first shaft shoulder (1a) two ends, described first shaft shoulder (1a) can slide in valve body (1) vertically, and described first axle journal (1b) is identical with the cross section size of second axle journal (2b);
Described second spool (22) comprises the 3rd axle journal (3b), and second shaft shoulder (2a) and the 3rd shaft shoulder (3a) that are positioned at the 3rd axle journal (3b) two ends, described first cavity volume (31) is when going out fat, and described the 3rd shaft shoulder (3a) stops described second outlet (A2); Described second cavity volume (32) is when going out fat, and described second shaft shoulder (2a) stops described first outlet (A1).
9. fat injecting mechanism, comprise the fat pump, it is characterized in that, also be provided with each described oil separator of claim 1-8, described fat pump connects described first import (P1) and second import (P2), and alternately to described first import (P1) and second import (P2) supply lubricating grease, described first outlet (A1) is used for being connected lubricating point with second outlet (A2).
10. an engineering machinery is characterized in that, described engineering machinery is provided with the described fat injecting mechanism of claim 9.
CN 201220710865 2012-12-20 2012-12-20 Oil distributor, grease injection mechanism and engineering machinery Expired - Fee Related CN203068105U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220710865 CN203068105U (en) 2012-12-20 2012-12-20 Oil distributor, grease injection mechanism and engineering machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220710865 CN203068105U (en) 2012-12-20 2012-12-20 Oil distributor, grease injection mechanism and engineering machinery

Publications (1)

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CN203068105U true CN203068105U (en) 2013-07-17

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CN 201220710865 Expired - Fee Related CN203068105U (en) 2012-12-20 2012-12-20 Oil distributor, grease injection mechanism and engineering machinery

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672356A (en) * 2013-12-09 2014-03-26 南通市喜利得润滑设备有限公司 Intelligent lubrication oil feeder
CN104295487A (en) * 2014-09-28 2015-01-21 山推楚天工程机械有限公司 Internal lubricating system for concrete pump hydraulic control type concrete piston
CN104896289A (en) * 2015-06-09 2015-09-09 安徽省辉煌机械制造有限公司 Oil separator
CN110067928A (en) * 2018-01-24 2019-07-30 浙江胜祥机械有限公司 A kind of Pneumatic adjustable proportional valve, quantitatively valve group and control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672356A (en) * 2013-12-09 2014-03-26 南通市喜利得润滑设备有限公司 Intelligent lubrication oil feeder
CN104295487A (en) * 2014-09-28 2015-01-21 山推楚天工程机械有限公司 Internal lubricating system for concrete pump hydraulic control type concrete piston
CN104896289A (en) * 2015-06-09 2015-09-09 安徽省辉煌机械制造有限公司 Oil separator
CN110067928A (en) * 2018-01-24 2019-07-30 浙江胜祥机械有限公司 A kind of Pneumatic adjustable proportional valve, quantitatively valve group and control method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20151220

EXPY Termination of patent right or utility model