CN208670560U - Pneumatic stroke shunt multi-point grease lubrication pump - Google Patents

Pneumatic stroke shunt multi-point grease lubrication pump Download PDF

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Publication number
CN208670560U
CN208670560U CN201821069683.6U CN201821069683U CN208670560U CN 208670560 U CN208670560 U CN 208670560U CN 201821069683 U CN201821069683 U CN 201821069683U CN 208670560 U CN208670560 U CN 208670560U
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China
Prior art keywords
oil
plunger
cylinder chamber
stroke
cylinder
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Withdrawn - After Issue
Application number
CN201821069683.6U
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Chinese (zh)
Inventor
金杨军
吕浩军
陈益敬
林杰
郑利书
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ZHEJIANG LIUBIAN MACHINERY LUBRICATION CO Ltd
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ZHEJIANG LIUBIAN MACHINERY LUBRICATION CO Ltd
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Priority to CN201821069683.6U priority Critical patent/CN208670560U/en
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Publication of CN208670560U publication Critical patent/CN208670560U/en
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Abstract

A kind of pneumatic stroke shunt multi-point grease lubrication pump, the pump housing including having cylinder chamber, plunger that is mating with cylinder chamber and coupling driving by external cylinder part piston rod, the inner cavity of the plunger is provided with internal galleries, the automatic oil draining valve member and annular oil scupper being connected on internal galleries both ends, by automatic oil draining valve member, internal galleries, annular oil scupper switchs controllable oil drain passage in plunger cavity composition, the side of the cylinder chamber is equally spaced the oil outlets of several same apertures, the other side of the cylinder chamber successively offers the oil return opening of external oil drum inwardly, exhaust outlet, inlet port, several described oil outlets are on the stroke of plunger between oil return opening and inlet port, plunger moves back and forth in pump housing cylinder chamber under the driving of cylinder piston rod, to realize oil extraction process and oil suction process Circulation carries out.It uses and section metering shunting is carried out with single plunger stroke, it is fuel-displaced to reach multiple spot, reasonable utilization cylinder stroke, and structure is simple.

Description

Pneumatic stroke shunt multi-point grease lubrication pump
Technical field
The present invention relates to lubrication pump technical fields, and in particular to a kind of pneumatic multi-point grease lubrication pump.
Background technique
In centralized lubricating system, metering distribution pressure injection must be carried out to the finish of lubricating pump force feed and enter each oil site.In list In line or two-wire centralized lubricating system, the finish of lubricating pump institute force feed is that by quantitative finish, pressure injection enters respectively respectively by distributor Oil site, and in multi-thread centralized lubricating system, then using the multi-point lubricating pump with multiple oil outlets, without configuration distributor, Each oil outlet of lubricating pump is directly quantified into finish force feed to each oil site, system element configures simply, reliably, therefore Multiple occasions are used widely.But it is had the following problems in existing well-known technique, first is that multi-point lubricating pump must be configured with Multiple groups plunger pump links, and respective complete independently oil suction and pressure oil movement, so that structure is complicated, overall volume is big;Second is that It drives multiple groups piston reciprocation to move simultaneously by power source, to keep transmission chain succinct, is all made of electrodynamic type, usually with decelerating motor By eccentric wheel (disk) along each plunger action of pump housing circumferential surface radial drive, as electrodynamic type multi-point lubricating pump, also there is not yet adopting The pneumatic type multiple spot of the air motor for using expensive shape bigger than normal as power source pumps.But it is such as inflammable and explosive in certain occasions Environment uses, and is extremely suitable for the pneumatic multiple spot pump used with compressed air-driven.Therefore, existing well-known technique product is deposited in use In certain limitation.
Summary of the invention
It is simple it is an object of the invention to aiming at the defects existing in the prior art, provide a kind of structure, the gas of reliable operation Dynamic stroke shunt multi-point grease lubrication pump.
In order to achieve the above objectives, the present invention adopts the following technical solutions: a kind of pneumatic stroke shunt multi-point grease lubrication Pump, it is described including the pump housing, plunger mating with cylinder chamber and coupling driving by external cylinder part piston rod with cylinder chamber Plunger inner cavity be provided with internal galleries, the automatic oil draining valve member that is connected on internal galleries both ends and annular oil extraction Slot is made of in plunger cavity automatic oil draining valve member, internal galleries, annular oil scupper and switchs controllable oil drain passage, described The side of cylinder chamber is equally spaced the oil outlets of several same apertures, and the other side of the cylinder chamber successively offers outer inwardly The oil return opening, exhaust outlet, inlet port of oil drum are connect, several described oil outlets are located at oil return opening and are inhaled on the stroke of plunger Between hydraulic fluid port, plunger moves back and forth in pump housing cylinder chamber under the driving of cylinder piston rod, to realize oil extraction process and suction The circulation of oily process carries out.
Oil extraction process: plunger acts to the right by left dead-centre position under the action of cylinder piston rod, by plunger front Grease in cylinder chamber is had been filled with to squeeze out from inlet port, when plunger advancement is to after closing inlet port, pressure of grease liter in cylinder chamber Height opens the automatic oil draining valve member in plunger cavity, and grease enters oil return opening through annular oil scupper by internal galleries, simultaneously Also the residual air in cylinder chamber or/and plunger cavity is made to be discharged into oil drum through oil return opening, when plunger advancement to annular oil scupper Oil return opening is closed, when connecting i.e. first oil outlet of opening, the effective oil extraction stroke for measuring shunting starts, band pressure oil in cylinder chamber Rouge is discharged through automatic oil draining valve member internal galleries, the annular oil scupper in plunger from first oil outlet, and plunger moves on, First oil outlet is closed by plunger, and first oil outlet metering oil extraction terminates, and annular oil scupper is next to next oil outlet A oil outlet starts metering and shunts, and so on, the metering oil extraction of all oil outlets is completed one by one, and plunger moves on, annular It when oil scupper passes through inlet port, will be connected in inlet port and cylinder chamber, prevent pocketed oil, plunger moves on until plunger reaches the right side Dead-centre position, automatic oil draining valve member are closed, and entire oil extraction process terminates.
Oil suction process: cylinder part commutation, piston rod driving plunger move downward until left dead-centre position, inlet port are beaten It opens, due to the negative pressure formed in cylinder chamber, the grease in oil drum enters in cylinder chamber from inlet port, until it is full of cylinder chamber, Oil suction process is completed, the oil extraction process of subsequent cycle is started.
As an improvement: position that is ipsilateral with inlet port in the cylinder chamber and corresponding to the last one oil outlet is set The manual exhaust valve for having gas vent and being connected to gas vent, gas vent and manual exhaust valve drive column in oil extraction process piston rod Plug drains cylindricality chamber air in moving right.
As an improvement: it is coupled between piston rod and plunger by elastic cylindrical pin floating.
As an improvement: nearly right dead-centre position is equipped with regulator, the regulator packet in the cylinder chamber Pressure regulator valve, the overflow port with pressure regulator valve coordinating operation are included, when superpressure in cylinder chamber, under the action of pressure regulator valve, grease with pressure Oil drum is returned through overflow port.
As an improvement: the automatic oil draining valve member is located in plunger by being connected to the valve seat of plunger front end It is intracavitary.
As an improvement: the cylinder chamber right part is equipped with hollow nut, the hollow nut inner hole and plunger it Between there are the wide arc gaps as oil flow channel.
Technical solution of the present invention carries out section metering shunting due to using with single plunger stroke, and it is fuel-displaced to reach multiple spot, closes Reason uses cylinder stroke, and structure is simple, small in size, reliable and stable work, and effectively prevents multi-plunger transmission problem.
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into The detailed description of one step.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the pneumatic stroke shunt multi-point grease lubrication pump of the present invention.
Fig. 2 is pneumatic stroke shunt multi-point grease lubrication pump original state schematic diagram in Fig. 1.
Fig. 3 is that effective oil extraction stroke that the metering of pneumatic stroke shunt multi-point grease lubrication pump shunts starts state signal Figure.
Fig. 4 is effective oil extraction stroke midway schematic diagram that the metering of pneumatic stroke shunt multi-point grease lubrication pump shunts.
Fig. 5 is effective oil extraction stroke completion status signal that the metering of pneumatic stroke shunt multi-point grease lubrication pump shunts Figure.
Specific embodiment
A kind of embodiment of the pneumatic stroke shunt multi-point grease lubrication pump of the present invention as shown in Figure 1, including have cylindricality The pump housing 2 of chamber, plunger 1 mating with cylinder chamber and coupling driving by the piston rod of external cylinder part 7, to connect convenient for assembly It connects, improves power transmitting, to improve overall work stability, pass through elastic cylindrical pin 8 between the piston rod and plunger 1 It floats and is coupled, cylinder part 7 couples installation with 2 seam allowance of the pump housing.The inner cavity of the plunger 1 is provided with internal galleries, connects respectively Automatic oil draining valve member 3 and annular oil scupper 11 on internal galleries both ends are connect, by automatic oil draining valve member 3, interior oil Road, annular oil scupper 11 switch controllable oil drain passage in 1 inner cavity of plunger composition.The automatic oil draining valve member 3 passes through company Connect the valve seat 9 in 1 front end of plunger be located in it is intracavitary in plunger 1.The side of the cylinder chamber is equally spaced several same apertures Oil outlet 21, the other side of the cylinder chamber successively offers the oil return opening 29 of external oil drum 6 inwardly, gas vent 28, inhales Hydraulic fluid port 27, several described oil outlets 21 between oil return opening 29 and inlet port 27, are lived on the stroke of plunger 1 in cylinder Plunger 1 moves back and forth in pump housing cylinder chamber under the driving of stopper rod, to realize that the circulation of oil extraction process and oil suction process carries out.
Oil extraction process: plunger 1 acts to the right by left dead-centre position under the action of cylinder piston rod, before plunger 1 Portion has been filled with the grease in cylinder chamber and squeezes out from inlet port 27, as shown in Figure 2.After plunger 1 proceeds to closing inlet port 27, column The intracavitary pressure of grease of shape increases, and opens automatic oil draining valve member 3 intracavitary in plunger 1, grease is by internal galleries through ring row Oil groove 11 enters oil return opening 29, while residual air intracavitary in cylinder chamber or/and plunger 1 also being made to be discharged into oil storage through oil return opening 29 Cylinder 6, as shown in Figure 3.Oil return opening 29 is closed when plunger 1 advances to annular oil scupper 11, connects and opens first oil outlet 21 When, the effective oil extraction stroke for measuring shunting starts, as shown in figure 4, grease with pressure is through the automatic oil draining valve in plunger 1 in cylinder chamber Component 3, internal galleries, annular 11 first oil outlets 21 of oil scupper are discharged.Plunger 1 moves on, first 21 quilt of oil outlet Plunger 1 is closed, and first oil outlet 21, which measures oil extraction, to be terminated, and annular oil scupper 11 is next fuel-displaced to next oil outlet 21 Mouth 21 starts metering and shunts, and so on, the metering oil extraction of all oil outlets is completed one by one, and grease branches to each oil outlet through each Flowline connection to subsea (not indicated in figure) discharge.Plunger 1 moves on, when annular oil scupper 11 is by inlet port 27, by inlet port 27 be connected in cylinder chamber, prevent pocketed oil, plunger 1 is moved on up to plunger 1 reaches right dead-centre position, automatic oil draining valve member 3 close, and entire oil extraction process terminates.
Oil suction process: as shown in figure 5, cylinder part commutates, piston rod driving plunger 1 moves downward until left dead point position It sets, inlet port 27 is opened, and due to the negative pressure formed in cylinder chamber, the grease in oil drum 6 enters in cylinder chamber from inlet port 27, Until being full of cylinder chamber, oil suction process is completed, the oil extraction process of subsequent cycle is started.
Ipsilateral with inlet port 27 in the cylinder chamber and position corresponding to the last one oil outlet 21 of the present embodiment is set There are gas vent 28 and the manual exhaust valve being connected to gas vent 28 5, gas vent 28 and manual exhaust valve 5 are living in oil extraction process Stopper rod driving plunger 1 drains cylindricality chamber air in moving right, to suck enough oil masses.
In the cylinder chamber of the present embodiment nearly right dead-centre position be equipped with regulator, the regulator include pressure regulator valve 4, With the overflow port 26 of 4 coordinating operation of pressure regulator valve, when superpressure in cylinder chamber, under the action of pressure regulator valve 4, grease with pressure is through overflow Mouthfuls 26 return to oil drums 6, reasonable in design, and pressure, which is adjusted, to be stablized, securely and reliably, easy to use, practicability is good.
The cylinder chamber right part of the present embodiment is equipped with hollow nut, the hollow nut inner hole and plunger 1, and there are between larger Gap is using as oil flow channel, to ensure that plunger 1 connects the oil inlet of grease and pressure regulator valve 4 in cylinder chamber in any operating position It is logical, the processing technology of 2 cylinder chamber of the pump housing can be effectively improved.
Although the present invention is disclosed as above with specific embodiment, it is not intended to limit the invention, any this field Technical staff, without departing from the spirit and scope of the present invention, can still do some it is fraction of change and retouch, therefore this The protection scope of invention should regard subject to the range institute defender of appended claims.

Claims (10)

1. a kind of pneumatic stroke shunt multi-point grease lubrication pump, it is characterised in that: including with cylinder chamber the pump housing (2), with Cylinder chamber is mating and couples the plunger (1) of driving by external cylinder part piston rod, and the inner cavity of the plunger (1) is provided with interior Portion's oil duct, the automatic oil draining valve member (3) being connected on internal galleries both ends and annular oil scupper (11), by automatic oil draining Valve member (3), internal galleries, annular oil scupper (11) switch controllable oil drain passage, the cylindricality in plunger (1) inner cavity composition The side of chamber is equally spaced the oil outlets (21) of several same apertures, and the other side of the cylinder chamber successively offers outer inwardly The oil return opening (29), gas vent (28), inlet port (27) of oil drum (6) are connect, several described oil outlets (21) are in plunger (1) Stroke between oil return opening (29) and inlet port (27), plunger (1) is in pump housing cylindricality under the driving of cylinder piston rod Intracavitary reciprocating motion, to realize that the circulation of oil extraction process and oil suction process carries out;
Oil extraction process: plunger (1) acts to the right by left dead-centre position under the action of cylinder piston rod, before plunger (1) Portion has been filled with the grease in cylinder chamber and squeezes out from inlet port (27), after plunger (1) proceeds to closing inlet port (27), cylinder chamber Interior pressure of grease increases, and opens automatic oil draining valve member (3) intracavitary in plunger (1), grease is by internal galleries through ring row Oil groove (11) enters oil return opening (29), while arranges the residual air in cylinder chamber or/and plunger cavity through oil return opening (29) Enter oil drum (6), when plunger (1) advance to annular oil scupper (11) close oil return opening (29), connect i.e. opening first it is fuel-displaced When mouthful (21), the effective oil extraction stroke for measuring shunting starts, and grease with pressure is through the automatic oil draining valve portion in plunger (1) in cylinder chamber Part (3), internal galleries, annular oil scupper (11) are discharged from first oil outlet (21), and plunger (1) moves on, and first goes out Hydraulic fluid port (21) is closed by plunger (1), and first oil outlet (21) metering oil extraction terminates, and annular oil scupper (11) is extremely next fuel-displaced Mouth (21), next oil outlet (21) start metering and shunt, and so on, the metering row of all oil outlets (21) is completed one by one Oil, plunger (1) move on, and when annular oil scupper (11) passes through inlet port (27), will be connected in inlet port (27) and cylinder chamber, Pocketed oil is prevented, plunger (1) moves on until plunger (1) reaches right dead-centre position, and automatic oil draining valve member (3) is closed, entirely Oil extraction process terminates;
Oil suction process: cylinder part (7) commutation, piston rod driving plunger (1) moves downward until left dead-centre position, inlet port (27) it opens, due to the negative pressure formed in cylinder chamber, the grease in oil drum (6) enters in cylinder chamber from inlet port (27), directly To cylinder chamber is full of, oil suction process is completed, the oil extraction process of subsequent cycle is started.
2. pneumatic stroke shunt multi-point grease lubrication pump according to claim 1, it is characterised in that: in the cylinder chamber Upper and inlet port (27) is ipsilateral and corresponds to the position of the last one oil outlet (21) equipped with gas vent (28) and and gas vent (28) manual exhaust valve (5) being connected to, gas vent (28) and manual exhaust valve (5) drive plunger (1) in oil extraction process piston rod Cylindricality chamber air is drained in moving right.
3. pneumatic stroke shunt multi-point grease lubrication pump according to claim 1 or 2, it is characterised in that: piston rod with It is floated and is coupled by elastic cylindrical pin (8) between plunger (1).
4. pneumatic stroke shunt multi-point grease lubrication pump according to claim 1 or 2, it is characterised in that: the column Nearly right dead-centre position is equipped with regulator on shape chamber, and the regulator includes pressure regulator valve (4), matches with pressure regulator valve (4) and cooperate The overflow port (26) of industry, when superpressure in cylinder chamber, under the action of pressure regulator valve (4), grease with pressure is returned through overflow port (26) Oil drum (6).
5. pneumatic stroke shunt multi-point grease lubrication pump according to claim 3, it is characterised in that: the cylinder chamber Upper nearly right dead-centre position is equipped with regulator, and the regulator includes pressure regulator valve (4) and pressure regulator valve (4) coordinating operation Overflow port (26), in cylinder chamber when superpressure, under the action of pressure regulator valve (4), grease with pressure returns to oil storage through overflow port (26) Cylinder (6).
6. pneumatic stroke shunt multi-point grease lubrication pump according to claim 1 or 2, it is characterised in that: it is described from Dynamic oil extraction valve member (3) by be connected to the valve seat (9) of plunger (1) front end be located in it is intracavitary in plunger (1).
7. pneumatic stroke shunt multi-point grease lubrication pump according to claim 3, it is characterised in that: the automatic row Oil valve component (3) by be connected to the valve seat (9) of plunger (1) front end be located in it is intracavitary in plunger (1).
8. pneumatic stroke shunt multi-point grease lubrication pump according to claim 4, it is characterised in that: the automatic row Oil valve component (3) by be connected to the valve seat (9) of plunger (1) front end be located in it is intracavitary in plunger (1).
9. pneumatic stroke shunt multi-point grease lubrication pump according to claim 5, it is characterised in that: the automatic row Oil valve component (3) by be connected to the valve seat (9) of plunger (1) front end be located in it is intracavitary in plunger (1).
10. pneumatic stroke shunt multi-point grease lubrication pump according to claim 1 or 2, it is characterised in that: the column Shape chamber right part is equipped with hollow nut, and there are the wide arc gaps as oil flow channel between the hollow nut inner hole and plunger (1).
CN201821069683.6U 2018-07-06 2018-07-06 Pneumatic stroke shunt multi-point grease lubrication pump Withdrawn - After Issue CN208670560U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821069683.6U CN208670560U (en) 2018-07-06 2018-07-06 Pneumatic stroke shunt multi-point grease lubrication pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821069683.6U CN208670560U (en) 2018-07-06 2018-07-06 Pneumatic stroke shunt multi-point grease lubrication pump

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692172A (en) * 2018-07-06 2018-10-23 浙江流遍机械润滑有限公司 Pneumatic stroke shunting multi-point grease lubrication pump
CN114060702A (en) * 2022-01-14 2022-02-18 南通市华东润滑设备有限公司 Accurate lubricating mechanism
CN115143096A (en) * 2022-09-06 2022-10-04 万向钱潮股份公司 Plunger pump for automotive electronics stable control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692172A (en) * 2018-07-06 2018-10-23 浙江流遍机械润滑有限公司 Pneumatic stroke shunting multi-point grease lubrication pump
CN108692172B (en) * 2018-07-06 2023-08-15 浙江流遍机械润滑有限公司 Pneumatic travel split-flow type multi-point grease lubrication pump
CN114060702A (en) * 2022-01-14 2022-02-18 南通市华东润滑设备有限公司 Accurate lubricating mechanism
CN115143096A (en) * 2022-09-06 2022-10-04 万向钱潮股份公司 Plunger pump for automotive electronics stable control system

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