CN217816134U

CN217816134U - Multi-path pressurized electromagnetic oil feeder

Info

Publication number: CN217816134U
Application number: CN202220459871.XU
Authority: CN
Inventors: 姚哲; 申建立; 杨卫华
Original assignee: Carsen Technology Co ltd
Current assignee: Carsen Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-11-15
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to an oil feeder technical field's multichannel pressurization formula electromagnetism oil feeder, including valve block, piston, two-position two-way normally open solenoid valve, check valve, the valve block is equipped with vertical piston chamber, and piston chamber lower extreme is equipped with import A, export an, and it is uncovered that the one end that should export an deviates from the piston chamber, and piston chamber upper segment is equipped with import B, and the cavity that the piston chamber is located between import A and the import B has the piston along its axial seal sliding fit, and the cavity that the piston chamber is located the piston below is equipped with the reset spring who makes the piston reset. The utility model discloses utilize a two-position two-way normally open solenoid valve and through first interface channel, second interface channel's setting, when realizing with the same function of traditional electromagnetism oil feeder, simplify fuel feeding structure, save the cost, convenient control.

Description

Multi-way pressure electromagnetic oil feeder

Technical Field

The utility model relates to an oil feeder technical field especially relates to multichannel pressurization formula electromagnetism oil feeder.

Background

The electromagnetic oil feeder is used as an execution mechanism of the intelligent lubricating system and is mainly used for controlling and opening an oil way, signals detected by the flow sensor are transmitted to the main control system through the information recognizer, the information processing module executes instructions sent by the main control system, and the opening and closing of an oil valve of the electromagnetic oil feeder are controlled, so that oil supply of a lubricating point is controlled.

The solenoid valves in the prior multi-channel electromagnetic oil feeder all use three-position three-way valves, so that the oil supply structure is complex, the cost is high, and the control is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a multi-path pressurized electromagnetic oil feeder to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the multi-path pressurized electromagnetic oil feeder comprises a valve block, a piston, a two-position two-way normally open electromagnetic valve and a one-way valve, wherein the valve block is provided with a vertical piston cavity, the lower end of the piston cavity is provided with an inlet A and an outlet a, one end of the outlet a, which is far away from the piston cavity, is open, the upper section of the piston cavity is provided with an inlet B, a cavity of the piston cavity, which is positioned between the inlet A and the inlet B, is in sliding fit with the piston along the axial direction in a sealing manner, and a cavity of the piston cavity, which is positioned below the piston, is provided with a return spring for returning the piston; the valve block is provided with a first connecting channel and a second connecting channel which penetrate through the valve block from top to bottom at intervals, the first connecting channel is correspondingly communicated with the inlet B, and the second connecting channel is correspondingly communicated with the inlet A through a one-way valve;

the valve block is provided with at least two valve blocks, the front and the back of the valve blocks are sealed and attached, the first connecting channels in the valve blocks are correspondingly communicated, the second connecting channels in the valve blocks are correspondingly communicated, and the outer ends of the first connecting channels and the second connecting channels in the two valve blocks on the outer side are detachably and hermetically connected with first sealing elements;

it is arbitrary the valve piece up end is equipped with vertical valve pocket, valve pocket lower extreme and second connecting channel intercommunication, the valve pocket middle part is equipped with the export B that corresponds the intercommunication with import B, import C, this import C deviates from the one end of valve pocket uncovered, sealing connection has rather than coaxial two-position two-way normally open solenoid valve in the valve pocket, the valve body that two-position two-way normally open solenoid valve corresponds first connecting channel is equipped with the horizontal through-hole coaxial with first connecting channel, two-position two-way normally open solenoid valve is equipped with the ring channel that is used for guaranteeing export B and import C to communicate all the time along its footpath corresponding valve body that should horizontal through-hole, two-position two-way normally open solenoid valve lower extreme is equipped with vertical hole, be equipped with the case in this vertical hole, and vertical hole upper end and horizontal through-hole intercommunication.

Preferably, the upper end of the return spring is correspondingly connected with the center of the bottom of the piston, and the lower end of the return spring is correspondingly connected with the piston cavity.

Preferably, the valve block is further provided with a detection piece for detecting the motion state of the piston.

Preferably, the detection member is a proximity switch, the proximity switch is coaxially arranged with the piston, and a detection end of the proximity switch faces the piston.

Preferably, the lower end of the valve block is provided with a hollow plug screw coaxial with the piston, the detection end of the detection piece extends into the hollow plug screw, and the detection piece is correspondingly connected with the hollow plug screw.

Preferably, the valve block is provided with an adjusting member for adjusting the return position of the piston.

Preferably, the adjusting piece is an adjusting screw coaxial with the piston, the adjusting screw is in threaded fit with the valve block, and the end of the screw rod of the adjusting screw extends into the piston cavity and abuts against the middle of the upper end face of the piston.

Preferably, the upper end face of the valve block is provided with a blind hole coaxial with the piston, the middle of the bottom of the blind hole is provided with a threaded hole, the lower end of the threaded hole is communicated with the piston cavity, the adjusting screw is in threaded fit with the threaded hole, and the open end of the blind hole is detachably and hermetically connected with a second sealing element.

Preferably, the check valve is including solid fixed ring, the one end that imported A deviates from the piston chamber is equipped with the toper chamber, and toper chamber microcephaly end and the second interface channel intercommunication that corresponds, and import A is inside to be equipped with rather than coaxial solid fixed ring, and solid fixed ring corresponds the one end in toper chamber and is equipped with rather than matching and coaxial spring, and the one end that the spring deviates from solid fixed ring is equipped with can with the sealed complex spheroid in toper chamber.

Preferably, the valve block is provided with mounting holes penetrating through the front and the back, and the mounting holes in all the valve blocks are coaxially arranged.

Has the advantages that:

1. the two-position two-way normally open electromagnetic valve is used, and the arrangement of the first connecting channel and the second connecting channel realizes the same functions as the traditional electromagnetic oil feeder, simplifies the oil supply structure, saves the cost and is convenient to control;

2. the valve blocks with proper number can be selected for superposition according to the actual oil demand of the equipment, so that the function of controlling multi-path oil outlet by one path of oil inlet is realized, the using number of the electromagnetic valves is saved, and the integration of oil supply is facilitated;

3. all the valve blocks are connected in parallel by a common oil way to form a centralized oil supply system, the oil supply amount of different valve blocks is adjusted, and more parameter settings can be realized.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of a first valve block of the present invention;

FIG. 3 is a cross-sectional view of a second valve block of the present invention;

FIG. 4 is a schematic diagram of the oil supply when the oil pump is powered on;

fig. 5 is a schematic diagram of the oil feeding when the utility model is in power failure.

The reference numerals are illustrated below:

1. a valve block; 11. a piston cavity; 111. an inlet A; 112. an outlet a; 113. an inlet B; 12. a first connecting passage; 13. a second connecting channel; 14. a valve cavity; 141. an outlet b; 142. an inlet C; 2. a piston; 3. a two-position two-way normally open electromagnetic valve; 4. a return spring; 5. an adjustment member; 6. a first seal member; 7. a detection member; 8. a hollow plug screw; 9. a one-way valve; 91. a fixing ring; 92. a spring; 93. a sphere; 10. a second seal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In a first embodiment, as shown in fig. 1 to 5, the multi-path pressurized electromagnetic oil feeder includes a valve block 1, a piston 2, a two-position two-way normally open electromagnetic valve 3, and a check valve 9, where the valve block 1 is provided with a vertical piston cavity 11, the lower end of the piston cavity 11 is provided with an inlet a111 and an outlet a112, one end of the outlet a112, which is away from the piston cavity 11, is open, the upper section of the piston cavity 11 is provided with an inlet B113, a cavity of the piston cavity 11, which is located between the inlet a111 and the inlet B113, is in sliding fit with the piston 2 along the axial direction thereof in a sealed manner, and a cavity of the piston cavity 11, which is located below the piston 2, is provided with a return spring 4 for returning the piston 2; the valve block 1 is provided with a first connecting channel 12 and a second connecting channel 13 which penetrate through from top to bottom at intervals, the first connecting channel 12 is correspondingly communicated with an inlet B113, and the second connecting channel 13 is correspondingly communicated with an inlet A111 through a one-way valve 9;

at least two valve blocks 1 are arranged, the front and the back of the valve blocks 1 are in sealing fit, first connecting channels 12 in the valve blocks 1 are correspondingly communicated, second connecting channels 13 in the valve blocks 1 are correspondingly communicated, and the outer ends of the first connecting channels 12 and the second connecting channels 13 in the two valve blocks 1 on the outer side are detachably and hermetically connected with first sealing elements 6;

the upper end face of any valve block 1 is provided with a vertical valve cavity 14, the lower end of the valve cavity 14 is communicated with a second connecting channel 13, the middle part of the valve cavity 14 is provided with an outlet B141 and an inlet C142 which are correspondingly communicated with an inlet B113, one end of the inlet C142, which is far away from the valve cavity 14, is opened, the valve cavity 14 is internally and hermetically connected with a two-position two-way normally-open electromagnetic valve 3 which is coaxial with the two-position two-way normally-open electromagnetic valve 3, the valve body, which corresponds to the first connecting channel 12, of the two-position two-way normally-open electromagnetic valve 3 is provided with a horizontal through hole which is coaxial with the first connecting channel 12, the valve body, which corresponds to the horizontal through hole, of the two-position two-way normally-open electromagnetic valve 3 is provided with an annular groove along the radial direction for ensuring that the outlet B141 is always communicated with the inlet C142, the lower end face of the two-position two-way normally-open electromagnetic valve 3 is provided with a vertical hole, a valve core is arranged in the vertical hole, and the upper end of the vertical hole is communicated with the horizontal through hole;

in the structure, when the electromagnetic valve is installed, the open end of the inlet C142 is connected with an oil source, the open end of the outlet a112 is connected with an oil inlet pipeline of equipment, when the electromagnetic valve is electrified, the oil enters the first channel 12 and further enters all piston cavities 11 in the valve block 1 to be positioned in the cavity above the piston 2, then the piston 2 moves downwards to compress the return spring 4, and at the moment, the oil in the cavity below the piston 2 in the piston cavity 11 is discharged through the outlet a112 when the electromagnetic valve is used and the electromagnetic valve is combined with the graph of FIGS. 4 and 5; when the electromagnetic valve is powered off, the reset spring 4 resets to further reset the piston 2, the inlet C142 stops oil feeding, and due to the reset of the piston 2, oil liquid in the piston cavity 11 above the piston 2 enters the second connecting channel 13 through the two-position two-way normally open electromagnetic valve 3 and then enters the inlet A111 through the one-way valve 9 to achieve the oil supplementing function, and then the actions are repeated to complete the oil feeding function;

the advantage of this arrangement is that: the two-position two-way normally open electromagnetic valve 3 is utilized, and the first connecting channel 12 and the second connecting channel 13 are arranged, so that the same functions as those of a traditional electromagnetic oil feeder are realized, an oil supply structure is simplified, the cost is saved, and the control is convenient; the valve blocks 1 with proper number can be selected for superposition according to the actual oil demand of the equipment, so that the function of controlling multi-path oil outlet by one path of oil inlet is realized, the using number of the electromagnetic valves is saved, and the integration of oil supply is convenient;

during specific implementation, the oil supply amount of different valve plates is adjusted, so that more parameter settings can be realized, for example, 10 valve blocks are formed in the integrated system, for example, the fixed flow of the valve block 1 is set to be 100 units, the fixed flow of the valve block 2 is set to be 10 units, the fixed flow of the valve block 3 is set to be 1 unit, the fixed flow of the valve block 4 is set to be 0.1 unit, the fixed flow of the valve block 5 is set to be 0.01 unit. For another example, if the single oil supply is 123.156 units, only 18 valve blocks and 1 control valve plate need to be integrated, and the oil output amounts of the valve blocks and the control valve plate are respectively 100, two 10, three 1, one 0.1, five 0.01 and six 0.001.

In the second embodiment, on the basis of the first embodiment, the upper end of the return spring 4 is correspondingly connected with the center of the bottom of the piston 2, and the lower end of the return spring 4 is correspondingly connected with the piston cavity 11; this arrangement enables the piston 2 to be reset by the restoring force of the return spring 4.

In the third embodiment, on the basis of the first embodiment, the valve block 1 is further provided with a detection piece 7 for detecting the motion state of the piston 2;

the detection piece 7 is a proximity switch, the proximity switch is coaxially arranged with the piston 2, and the detection end of the proximity switch faces the piston 2;

the lower end of the valve block 1 is provided with a hollow plug screw 8 which is coaxial with the piston 2, the detection end of the detection piece 7 extends into the hollow plug screw 8, and the detection piece 7 is correspondingly connected with the hollow plug screw 8;

the lower end of the piston cavity 11 is open, the hollow screw plug 8 is hermetically connected with the open end of the piston cavity 11, and the upper end of the hollow screw plug 8 is closed at the moment;

the arrangement can be used for fault detection through the proximity switch, and can also be used as a trigger switch to realize automatic power on-off control of the electromagnetic valve so as to form system feedback; the detection piece 7 can also be a sensor to acquire working state signals and feed back whether the valve plate works normally or not.

In the fourth embodiment, on the basis of the first embodiment, the valve block 1 is provided with an adjusting piece 5 for adjusting the reset position of the piston 2;

the adjusting part 5 is an adjusting screw coaxial with the piston 2, the adjusting screw is in threaded fit with the valve block 1, the end part of the screw rod of the adjusting screw extends into the piston cavity 11 and abuts against the middle part of the upper end face of the piston 2, so that the oil outlet quantity can be controlled by adjusting the position of the adjusting part 5 and further adjusting the vertical movement amplitude of the piston 2, namely, the adjusting screw limits the upward stroke of the piston 2, the more the adjusting screw rotates downwards, the smaller the reciprocating stroke of the piston 2 each time, the smaller the oil outlet quantity, and conversely, the more the adjusting screw adjusts upwards, the larger the reciprocating stroke of the piston 2 each time, the larger the oil outlet quantity is;

the upper end face of the valve block 1 is provided with a blind hole coaxial with the piston 2, the middle of the bottom of the blind hole is provided with a threaded hole, the lower end of the threaded hole is communicated with the piston cavity 11, the adjusting screw is in threaded fit with the threaded hole, the open end of the blind hole is detachably and hermetically connected with a second sealing element 10, and the valve block oil leakage can be prevented by the arrangement, so that sealing is ensured.

Fifth embodiment, on the basis of first embodiment, check valve 9 includes solid fixed ring 91, the one end that import A111 deviates from piston cavity 11 is equipped with the toper chamber, and toper chamber osculum end and the second interface channel 13 intercommunication that corresponds, import A111 is inside to be equipped with rather than coaxial solid fixed ring 91, gu fixed ring 91 corresponds the one end in toper chamber and is equipped with rather than matcing and coaxial spring 92, the one end that spring 92 deviates from solid fixed ring 91 is equipped with can be with the sealed complex spheroid 93 in toper chamber, it can extrude spheroid 93 through spring elasticity like this to set up, spheroid 93 and toper chamber seal cooperation, make fluid in the second interface channel 13 can enter into piston cavity 11, and fluid in the piston cavity 11 can't enter into in the second interface channel 13.

Sixth embodiment, on the basis of first embodiment, valve block 1 is equipped with the mounting hole that runs through from beginning to end, and the mounting hole coaxial arrangement in all valve blocks 1, specifically, every valve block 1 is equipped with a plurality of mounting holes, can guarantee the stable cooperation between the valve block 1 like this, and the setting can be fixed all valve blocks 1 together through bolt or other connecting piece.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Multichannel pressurization formula electromagnetism oil feeder, its characterized in that: the valve comprises a valve block (1), a piston (2), a two-position two-way normally open electromagnetic valve (3) and a one-way valve (9), wherein the valve block (1) is provided with a vertical piston cavity (11), the lower end of the piston cavity (11) is provided with an inlet A (111) and an outlet a (112), one end of the outlet a (112) departing from the piston cavity (11) is open, the upper section of the piston cavity (11) is provided with an inlet B (113), a cavity of the piston cavity (11) between the inlet A (111) and the inlet B (113) is matched with the piston (2) in a sliding manner along the axial sealing direction, and a cavity of the piston cavity (11) below the piston (2) is provided with a reset spring (4) for resetting the piston (2); the valve block (1) is provided with a first connecting channel (12) and a second connecting channel (13) which penetrate through the valve block from top to bottom at intervals, the first connecting channel (12) is correspondingly communicated with the inlet B (113), and the second connecting channel (13) is correspondingly communicated with the inlet A (111) through a one-way valve (9);

the valve block (1) is at least provided with two valve blocks, the valve blocks (1) are in front-back sealing fit, first connecting channels (12) in the valve blocks (1) are correspondingly communicated, second connecting channels (13) in the valve blocks (1) are correspondingly communicated, and the outer ends of the first connecting channels (12) and the second connecting channels (13) in the two valve blocks (1) at the outer sides are detachably and hermetically connected with first sealing elements (6);

any valve block (1) up end is equipped with vertical valve pocket (14), valve pocket (14) lower extreme and second interface channel (13) intercommunication, valve pocket (14) middle part is equipped with export B (141) that correspond the intercommunication with import B (113), import C (142), the one end that this import C (142) deviates from valve pocket (14) is uncovered, valve pocket (14) internal seal is connected with rather than coaxial two-position two-way normally open solenoid valve (3), the valve body that two-position two-way normally open solenoid valve (3) correspond first interface channel (12) is equipped with the horizontal through-hole coaxial with first interface channel (12), the valve body that two-position two-way normally open solenoid valve (3) correspond this horizontal through-hole is equipped with the ring channel that is used for guaranteeing export B (141) and import C (142) to communicate all the time along its radial, the terminal surface is equipped with vertical hole under two-position two-way solenoid valve (3), be equipped with the case in this vertical hole, and vertical hole upper end and horizontal through-hole intercommunication.

2. The multi-way pressurized electromagnetic oil feeder according to claim 1, characterized in that: the upper end of the return spring (4) is correspondingly connected with the center of the bottom of the piston (2), and the lower end of the return spring (4) is correspondingly connected with the piston cavity (11).

3. The multi-path pressurized electromagnetic oil feeder according to claim 1, characterized in that: the valve block (1) is also provided with a detection piece (7) for detecting the motion state of the piston (2).

4. The multi-path pressurized electromagnetic oil feeder according to claim 3, characterized in that: the detection piece (7) is a proximity switch, the proximity switch and the piston (2) are coaxially arranged, and the detection end of the proximity switch faces the piston (2).

5. The multi-path pressurized electromagnetic oil feeder according to claim 3 or 4, characterized in that: the lower end of the valve block (1) is provided with a hollow plug screw (8) coaxial with the piston (2), the detection end of the detection piece (7) extends into the hollow plug screw (8), and the detection piece (7) is correspondingly connected with the hollow plug screw (8).

6. The multi-way pressurized electromagnetic oil feeder according to claim 1, characterized in that: the valve block (1) is provided with an adjusting piece (5) for adjusting the reset position of the piston (2).

7. The multi-way pressurized electromagnetic oil feeder according to claim 6, wherein: the adjusting piece (5) is an adjusting screw coaxial with the piston (2), the adjusting screw is in threaded fit with the valve block (1), and the end part of the screw rod of the adjusting screw extends into the piston cavity (11) and abuts against the middle part of the upper end face of the piston (2).

8. The multi-path pressurized electromagnetic oil feeder according to claim 7, characterized in that: the upper end face of the valve block (1) is provided with a blind hole coaxial with the piston (2), the middle of the bottom of the blind hole is provided with a threaded hole, the lower end of the threaded hole is communicated with the piston cavity (11), the adjusting screw is in threaded fit with the threaded hole, and the open end of the blind hole is detachably and hermetically connected with a second sealing element (10).

9. The multi-path pressurized electromagnetic oil feeder according to claim 1, characterized in that: check valve (9) are including solid fixed ring (91), the one end that imported A (111) deviates from piston chamber (11) is equipped with the toper chamber, and toper chamber microcephaly end and second connecting channel (13) intercommunication that corresponds, import A (111) inside be equipped with rather than coaxial solid fixed ring (91), gu fixed ring (91) correspond the one end in toper chamber be equipped with rather than match and coaxial spring (92), spring (92) deviate from the one end of solid fixed ring (91) and be equipped with can with sealed complex spheroid (93) in toper chamber.

10. The multi-path pressurized electromagnetic oil feeder according to claim 1, characterized in that: the valve block (1) is provided with mounting holes which penetrate through the valve block from front to back, and the mounting holes in all the valve blocks (1) are coaxially arranged.