CN214332275U - Multi-outlet lubricating pump - Google Patents

Abstract

The utility model discloses a multi-outlet lubricating pump, belonging to the technical field of lubricating pumps; the oil storage tank comprises an oil storage tank, wherein a plurality of pump cores communicated with the oil storage tank are uniformly distributed on the outer circumference of the bottom of the oil storage tank; an eccentric shaft driving mechanism for driving the pump core to work is rotationally connected in the oil storage tank; the bottom of the oil storage tank is provided with a driving element for driving the eccentric shaft driving mechanism to rotate; the top of the eccentric shaft driving mechanism is provided with a stirring component capable of stirring the medium in the oil storage tank and a guide component capable of guiding the medium in the oil storage tank towards the pump core direction; when the driving element drives the eccentric shaft driving mechanism to rotate, the eccentric shaft driving mechanism sequentially drives different pump cores to work, and the stirring assembly and the guide assembly stir and guide media in the oil storage tank along with the rotation of the eccentric shaft driving mechanism; the utility model aims to provide a multi-outlet lubricating pump; for continuously supplying oil to a plurality of parts requiring lubrication.

Description

Multi-outlet lubricating pump

Technical Field

The utility model belongs to the technical field of the lubricating pump, concretely relates to many export lubricating pump.

Background

The lubrication pump is a device which can continuously supply oil to parts needing lubrication. At present, after a pump core in a lubricating pump executes an action once, due to the reason that the fluidity of lubricating grease is poor, a gap is formed between the pump core and the lubricating grease, so that the pump core cannot supplement the lubricating grease in time when feeding next time, and the problem of reduction or empty discharge of the actual discharge capacity of the pump core is caused. And the current lubricating pump can have the problem of insufficient mounting position when the number of pump cores is large due to the structure of the eccentric shaft driving mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned prior art not enough, provide a many export lubricant pump suitable for many lubrication points of minidose, its cooperation through stirring subassembly and guide assembly can be for lubricating grease continuously exerts a pressure towards pump core direction, makes lubricating grease in time fill the vacancy, has guaranteed the normal function of lubricant pump.

The technical scheme of the utility model is realized like this: a multi-outlet lubricating pump comprises an oil storage tank, wherein a plurality of pump cores communicated with the oil storage tank are uniformly distributed on the outer circumference of the bottom of the oil storage tank; an eccentric shaft driving mechanism for driving the pump core to work is rotationally connected in the oil storage tank; the bottom of the oil storage tank is provided with a driving element for driving the eccentric shaft driving mechanism to rotate; the top of the eccentric shaft driving mechanism is provided with a stirring component capable of stirring the medium in the oil storage tank and a guide component capable of guiding the medium in the oil storage tank towards the pump core direction; when the driving element drives the eccentric shaft driving mechanism to rotate, the eccentric shaft driving mechanism drives different pump cores to work in sequence, and the stirring assembly and the guide assembly stir and guide media in the oil storage tank along with the rotation of the eccentric shaft driving mechanism.

Preferably, the stirring assembly comprises a stirring plate matched with the shape of the inner side wall of the oil storage tank and a baffle fixed on the oil storage tank; the bottom of the stirring plate is fixedly connected with the eccentric shaft driving mechanism; the baffle is provided with a gap for the medium in the oil storage tank to flow; when the eccentric shaft driving mechanism rotates, the stirring plate stirs the medium in the oil storage tank along with the rotation of the eccentric shaft driving mechanism.

As a preferred scheme, the oil storage tank consists of a cover plate, an upper tank body and a lower tank body; the lower tank body is provided with a plurality of fixing holes matched with the pump core, and the pump core is hermetically connected in the fixing holes; the upper tank body is arranged above the lower tank body, a middle retainer is arranged in the upper tank body, the upper tank body is fixedly connected to the lower tank body through the middle retainer, and the upper tank body is hermetically connected with the lower tank body; the cover plate is detachably covered above the upper tank body; the lower end of the eccentric shaft driving mechanism is rotatably connected with the bottom of the lower tank body, the lower end of the eccentric shaft driving mechanism is hermetically connected with the bottom of the lower tank body, and the upper end of the eccentric shaft driving mechanism is rotatably connected with the middle retainer. Furthermore, the guide assembly comprises a plurality of liquid inlet grooves uniformly distributed on the middle retainer and a pressure plate which can cover at least one liquid inlet groove; the pressing plate is positioned above the middle retainer, and one end of the pressing plate is fixedly connected with the eccentric shaft driving mechanism; and one side of the pressure plate, which is close to the moving direction of the pressure plate, is provided with a guide inclined plate which is tilted upwards.

Preferably, a detection sensor for detecting the liquid level of the medium in the oil storage tank is arranged at the upper part of the oil storage tank. Further, the detection sensor is a capacitive sensor and/or an ultrasonic sensor.

Preferably, the eccentric shaft driving mechanism comprises an eccentric shaft, and a first bearing, a second bearing, a third bearing and a fourth bearing are sequentially sleeved on the eccentric shaft from bottom to top; a first pull-back ring is sleeved on the first bearing, a first clamping ring protruding upwards is arranged at the top of the first pull-back ring, and a first clamping groove capable of clamping a power end of a pump core is formed among the inner ring wall of the first clamping ring, the top surface of the first pull-back ring and the outer ring wall of the second bearing; and a second pull-back ring is sleeved on the fourth bearing, a second clamping ring protruding downwards is arranged at the bottom of the second pull-back ring, and a second clamping groove capable of clamping the power end of another pump core is formed among the inner ring wall of the second clamping ring, the top surface of the second pull-back ring and the outer ring wall of the third bearing. Further, the pump core comprises a pump body, a liquid inlet channel is arranged in the pump body, a liquid outlet communicated with the liquid inlet channel is arranged at one end of the pump body, and a liquid inlet communicated with the liquid inlet channel is arranged on the side wall of the other end of the pump body; the pump body is arranged on the oil storage tank, and a liquid inlet on the pump body is positioned in the oil storage tank; a check valve component is arranged between the liquid outlet and the liquid inlet channel; one end of the liquid inlet channel, which is far away from the liquid outlet, is connected with a plunger in a sliding manner; one end of the plunger, which is far away from the liquid inlet channel, is clamped on the first clamping groove or the second clamping groove. Furthermore, the pump core is provided with an upper row and a lower row, wherein the plunger of the lower row of pump core is clamped in the first clamping groove, and the plunger of the upper row of pump core is clamped in the second clamping groove. Furthermore, the check valve component comprises a placing groove arranged at one end of the liquid outlet close to the liquid inlet channel, a check valve rod and a spring, wherein the check valve rod and the spring are arranged in the placing groove; one end of the placing groove close to the liquid inlet channel is provided with a first conical surface inclining towards the liquid outlet, and one end of the one-way valve rod close to the liquid inlet channel is provided with a second conical surface matched with the first conical surface; the spring is sleeved at one end, far away from the liquid inlet channel, of the one-way valve rod, provides a force towards the direction of the liquid inlet channel for the one-way valve rod, and enables the first conical surface and the second conical surface to be attached in a sealing mode. Furthermore, one end of the spring is provided with a spring nut used for limiting the spring in the placing groove, the other end of the spring is provided with a spring seat used for limiting the spring in the radial direction, and two ends of the spring are respectively abutted against the spring nut and the spring seat; the spring seat is sleeved on the one-way valve rod; the outer surface of the spring nut is in threaded connection with the liquid outlet, and an adjusting groove is formed in one end, far away from the spring, of the spring nut.

The utility model adopts the beneficial effect behind the above structure to do: the stirring assembly and the guide assembly can stir lubricating grease to move and press the lubricating grease down to the pump core, so that the lubricating grease can fill the gap between the lubricating grease and the pump core in time, and the normal operation of the lubricating pump is ensured; by improving the structure of the eccentric shaft driving mechanism, the problem of insufficient installation positions caused by a large number of pump cores is solved; the first bearing, the second bearing, the first pull-back ring and the second pull-back ring are matched for use, so that the friction coefficient between the plunger and the eccentric shaft can be effectively reduced, the movement of the plunger is more smooth, the outer ring of the second bearing and the outer ring of the third bearing are used as a stress surface, the requirement on the abrasion hardness of the stress surface of the plunger can be effectively met, and the production difficulty is reduced. And the first pull-back ring and the second pull-back ring are arranged up and down, so that the pump core can be conveniently arranged, and the installation space of the pump core is effectively reduced.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a partial schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a partial cross-sectional structural view of an embodiment of the present invention;

fig. 4 is a structural sectional view of the eccentric shaft driving mechanism in the embodiment of the present invention;

FIG. 5 is a structural diagram of the pump cartridge of the embodiment of the present invention when feeding liquid;

FIG. 6 is a structural diagram of the pump core in the embodiment of the present invention;

fig. 7 is a structural sectional view of a pump core in an embodiment of the present invention.

In the figure: 2-pump core, 3-eccentric shaft driving mechanism, 4-driving element, 7-pressure relief valve; 11-cover plate, 12-upper tank body, 13-lower tank body, 14-middle retainer; 21-pump body, 22-liquid inlet channel, 23-liquid outlet, 24-liquid inlet, 25-plunger, 26-one-way valve rod, 27-spring, 28-spring nut, 29-spring seat and 30-adjusting groove; 31-eccentric shaft, 32-first bearing, 33-second bearing, 34-third bearing, 35-fourth bearing, 36-first pull-back ring, 37-second pull-back ring, 38-first slot, 39-second slot; 51-stirring plate, 52-baffle; 61-a liquid inlet tank, 62-a pressure plate and 63-a guide inclined plate; 71-capacitive sensor, 72-ultrasonic sensor.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

the multi-outlet lubricating pump shown in figures 1-7 comprises an oil storage tank, wherein a plurality of pump cores 2 communicated with the oil storage tank are uniformly distributed on the outer circumference of the bottom of the oil storage tank; an eccentric shaft 31 driving mechanism 3 for driving the pump core 2 to work is rotationally connected in the oil storage tank; the bottom of the oil storage tank is provided with a driving element 4 for driving the eccentric shaft 31 driving mechanism 3 to rotate; the top of the driving mechanism 3 of the eccentric shaft 31 is provided with a stirring component which can stir the medium in the oil storage tank and a guiding component which can guide the medium in the oil storage tank towards the direction of the pump core 2; when the driving element 4 drives the eccentric shaft 31 driving mechanism 3 to rotate, the eccentric shaft 31 driving mechanism 3 sequentially drives different pump cores 2 to work, and the stirring assembly and the guiding assembly stir and guide media in the oil storage tank along with the rotation of the eccentric shaft 31 driving mechanism 3; the function of stirring the activity of lubricating grease and pushing down lubricating grease to pump core 2 department can be realized through the cooperation of stirring subassembly and guide assembly, makes lubricating grease in time fill its and pump core 2 between the vacancy, has guaranteed the normal operating of lubricant pump.

Preferably, the stirring component comprises a stirring plate 51 which is matched with the shape of the inner side wall of the oil storage tank, and a baffle plate 52 fixed on the oil storage tank; the bottom of the stirring plate 51 is fixedly connected with the driving mechanism 3 of the eccentric shaft 31; the baffle 52 is provided with a gap for the medium in the oil storage tank to flow; when the eccentric shaft 31 driving mechanism 3 rotates, the stirring plate 51 stirs the medium in the oil storage tank along with the rotation of the eccentric shaft 31 driving mechanism 3; through the matching of the stirring plate 51 and the baffle plate 52, the upper layer of lubricating grease can be stirred, so that the lubricating grease can be separated from the inner side wall of the oil storage tank, and the lubricating grease can conveniently flow downwards; and the power of the eccentric shaft 31 driving mechanism 3 is utilized to drive the stirring plate 51 to stir, no additional power source is needed, and the stirring device has the characteristics of simple structure, low production cost and the like.

Preferably, the oil storage tank consists of a cover plate 11, an upper tank body 12 and a lower tank body 13; the lower tank body 13 is provided with a plurality of fixing holes matched with the pump core 2, and the pump core 2 is hermetically connected in the fixing holes; the upper tank body 12 is arranged above the lower tank body 13, the middle retainer 14 is arranged in the upper tank body 12, the upper tank body 12 is fixedly connected to the lower tank body 13 through the middle retainer 14, and the upper tank body 12 is hermetically connected with the lower tank body 13; the cover plate 11 is detachably covered above the upper tank body 12; the lower end of the eccentric shaft 31 driving mechanism 3 is rotatably connected with the bottom of the lower tank body 13, the lower end of the eccentric shaft 31 driving mechanism 3 is hermetically connected with the bottom of the lower tank body 13, and the upper end of the eccentric shaft 31 driving mechanism 3 is rotatably connected with the middle retainer 14; this structural design can be convenient for the oil storage tank and the dismouting of eccentric shaft 31 actuating mechanism 3, is favorable to improving installation and maintenance efficiency. Further, the guiding assembly comprises a plurality of liquid inlet grooves 61 uniformly distributed on the middle retainer 14 and a pressing plate 62 capable of covering at least one liquid inlet groove 61; the pressure plate 62 is positioned above the middle retainer 14, and one end of the pressure plate 62 is fixedly connected with the driving mechanism 3 of the eccentric shaft 31; a guide inclined plate 63 which is tilted upwards is arranged on one side of the pressure plate 62 close to the moving direction of the pressure plate; when the eccentric shaft 31 drives the pressing plate 62 to rotate, the guiding inclined plate 63 can gradually guide the grease into the corresponding liquid inlet groove 61, and then the pressing plate 62 can gradually cover the liquid inlet groove 61, so that the grease in the liquid inlet groove 61 cannot overflow, and the function of extruding the grease towards the pump core 2 is realized.

As the preferred scheme, the upper part of the oil storage tank is provided with a detection sensor for detecting the liquid level of the medium in the oil storage tank, so that maintenance personnel can know the lubricating grease allowance in the oil storage tank in time. Further, the detection sensor is a capacitive sensor 71 and/or an ultrasonic sensor 72 or other sensors capable of detecting the remaining amount of grease in the oil storage tank.

Preferably, the driving mechanism 3 of the eccentric shaft 31 comprises an eccentric shaft 31, and a first bearing 32, a second bearing 33, a third bearing 34 and a fourth bearing 35 are sequentially sleeved on the eccentric shaft 31 from bottom to top; a first pull-back ring 36 is sleeved on the first bearing 32, a first clamping ring protruding upwards is arranged at the top of the first pull-back ring 36, and a first clamping groove 38 capable of clamping a power end of the pump core 2 is formed among the inner annular wall of the first clamping ring, the top surface of the first pull-back ring 36 and the outer annular wall of the second bearing 33; a second pull-back ring 37 is sleeved on the fourth bearing 35, a second clamping ring protruding downwards is arranged at the bottom of the second pull-back ring 37, and a second clamping groove 39 capable of clamping the power end of another pump core 2 is formed among the inner ring wall of the second clamping ring, the top surface of the second pull-back ring 37 and the outer ring wall of the third bearing 34; the first bearing 32 and the second bearing 33 are matched with the first pull-back ring 36 and the second pull-back ring 37, so that the friction coefficient between the plunger 25 and the eccentric shaft 31 can be effectively reduced, the movement of the plunger 25 is smoother, and meanwhile, the requirement on the abrasion hardness of the stress surface of the plunger 25 can be effectively met and the production difficulty is reduced by using the outer rings of the second bearing 33 and the third bearing 34 as stress surfaces; and the first pull-back ring 36 and the second pull-back ring 37 are mounted up and down, so that the pump core 2 can be mounted conveniently. Further, the pump core 2 comprises a pump body 21, a liquid inlet channel 22 is arranged in the pump body 21, a liquid outlet 23 communicated with the liquid inlet channel 22 is arranged at one end of the pump body 21, and a liquid inlet 24 communicated with the liquid inlet channel 22 is arranged on the side wall of the other end of the pump body 21; the pump body 21 is arranged on the oil storage tank, and the liquid inlet 24 on the pump body 21 is positioned in the oil storage tank; a one-way valve component is arranged between the liquid outlet 23 and the liquid inlet channel 22; one end of the liquid inlet channel 22 far away from the liquid outlet 23 is connected with a plunger 25 in a sliding manner; one end of the plunger 25 far away from the liquid inlet channel 22 is clamped on the first clamping groove 38 or the second clamping groove 39; when the eccentric shaft 31 rotates for one circle, the first clamping groove 38 and the second clamping groove 39 drive the corresponding plunger 25 in the pump core 2 to realize one reciprocating motion; when the plunger 25 in the pump core 2 is pulled out of the liquid inlet channel 22, the check valve assembly is closed, the liquid outlet 23 is not communicated with the liquid inlet channel 22 at the moment, negative pressure is generated in the liquid inlet channel 22, and lubricating grease in the oil storage tank is sucked into the liquid inlet channel 22 from the liquid inlet 24; when the plunger 25 in the pump core 2 is pressed into the liquid inlet channel 22, the check valve assembly is opened, the liquid outlet 23 is not communicated with the liquid inlet channel 22 at the moment, and the plunger 25 presses the lubricating grease in the liquid inlet channel 22 to the liquid outlet 23 from the check valve to flow out; the liquid outlet 23 is communicated with the pressure release valve 7 and a corresponding output pipeline, so that the lubricating grease is conveyed to the part needing to be lubricated. Furthermore, the pump core 2 is provided with an upper row and a lower row, wherein the plunger 25 of the lower row of the pump core 2 is clamped in the first clamping groove 38, and the plunger 25 of the upper row of the pump core 2 is clamped in the second clamping groove 39, so that the problem of insufficient installation positions caused by a large number of the pump cores 2 is solved, and the installation space of the pump core 2 is effectively reduced. Furthermore, the check valve assembly comprises a placing groove arranged at one end of the liquid outlet 23 close to the liquid inlet channel 22, a check valve rod 26 arranged in the placing groove and a spring 27; a first conical surface which inclines towards the liquid outlet 23 is arranged at one end of the placing groove close to the liquid inlet channel 22, and a second conical surface which is matched with the first conical surface is arranged at one end of the one-way valve rod 26 close to the liquid inlet channel 22; the spring 27 is sleeved at one end of the one-way valve rod 26 far away from the liquid inlet channel 22 and provides a force towards the liquid inlet channel 22 for the one-way valve rod 26, so that the first conical surface is closely attached to the second conical surface; the first conical surface and the second conical surface can increase the fitting area between the one-way valve rod 26 and the liquid inlet channel 22, so that the sealing performance is improved, and the lubricating grease can flow from the liquid inlet channel 22 to the liquid outlet 23 conveniently. Furthermore, one end of the spring 27 is provided with a spring nut 28 for limiting the spring 27 in the placing groove, the other end is provided with a spring seat 29 for radially limiting the spring 27, and two ends of the spring 27 are respectively abutted against the spring nut 28 and the spring seat 29; the spring seat 29 is sleeved on the one-way valve rod 26; the outer surface of the spring nut 28 is in threaded connection with the liquid outlet 23, and one end of the spring nut 28, which is far away from the spring 27, is provided with an adjusting groove 30; the spring seat 29 is arranged to prevent the spring 27 from radial displacement, so that the oil output quantity can be prevented from changing, and the oil output precision is improved; the adjusting groove 30 is arranged to facilitate the installation of the spring nut 28, and when the elastic force of the spring 27 is too large, the spring nut 28 can be properly screwed towards the liquid outlet 23 through the adjusting groove 30, so that the elastic force of the spring 27 can be adjusted; the liquid inlet 24 is provided with a flared opening which diffuses towards the direction far away from the liquid inlet channel 22, and the flared opening can enable the oil suction to be smoother.

The fixed connection is a conventional fixed connection mode such as welding or bolt fixing; the rotary connection is a bearing connection; the sealing connection can be sealed by adopting a sealing rubber ring or an oil seal in the prior art; the driving element can be a common driving element in the prior art such as a three-phase motor, a stepping motor, a servo motor and the like, and can be matched with a speed reducer for use.

The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims (10)

1. The utility model provides a many export lubrication pump, includes the oil storage tank, its characterized in that: a plurality of pump cores (2) communicated with the oil storage tank are uniformly distributed on the outer circumference of the bottom of the oil storage tank; an eccentric shaft driving mechanism (3) for driving the pump core (2) to work is rotationally connected in the oil storage tank; the bottom of the oil storage tank is provided with a driving element (4) for driving the eccentric shaft driving mechanism (3) to rotate; the top of the eccentric shaft driving mechanism (3) is provided with a stirring component which can stir the medium in the oil storage tank and a guiding component which can guide the medium in the oil storage tank towards the pump core (2); when the driving element (4) drives the eccentric shaft driving mechanism (3) to rotate, the eccentric shaft driving mechanism (3) drives different pump cores (2) to work in sequence, and the stirring assembly and the guide assembly stir and guide media in the oil storage tank along with the rotation of the eccentric shaft driving mechanism (3).

2. The multi-outlet lubrication pump of claim 1, wherein: the stirring assembly comprises a stirring plate (51) matched with the shape of the inner side wall of the oil storage tank and a baffle plate (52) fixed on the oil storage tank; the bottom of the stirring plate (51) is fixedly connected with the eccentric shaft driving mechanism (3); the baffle (52) is provided with a notch for the medium in the oil storage tank to flow; when the eccentric shaft driving mechanism (3) rotates, the stirring plate (51) stirs the medium in the oil storage tank along with the rotation of the eccentric shaft driving mechanism (3).

3. The multi-outlet lubrication pump of claim 1, wherein: the oil storage tank consists of a cover plate (11), an upper tank body (12) and a lower tank body (13); the lower tank body (13) is provided with a plurality of fixing holes matched with the pump core (2), and the pump core (2) is hermetically connected in the fixing holes; the upper tank body (12) is arranged above the lower tank body (13), a middle retainer (14) is arranged in the upper tank body (12), the upper tank body (12) is fixedly connected to the lower tank body (13) through the middle retainer (14), and the upper tank body (12) is hermetically connected with the lower tank body (13); the cover plate (11) is detachably covered above the upper tank body (12); the lower end of the eccentric shaft driving mechanism (3) is rotatably connected with the bottom of the lower tank body (13), the lower end of the eccentric shaft driving mechanism (3) is hermetically connected with the bottom of the lower tank body (13), and the upper end of the eccentric shaft driving mechanism (3) is rotatably connected with the middle retainer (14).

4. The multi-outlet lubrication pump of claim 2, wherein: the guide assembly comprises a plurality of liquid inlet grooves (61) which are uniformly distributed on the middle retainer (14) and a pressure plate (62) which can cover at least one liquid inlet groove (61); the pressing plate (62) is positioned above the middle retainer (14), and one end of the pressing plate (62) is fixedly connected with the eccentric shaft driving mechanism (3); and a guide inclined plate (63) which is tilted upwards is arranged on one side of the pressure plate (62) close to the moving direction of the pressure plate.

5. The multi-outlet lubrication pump of claim 1, wherein: and the upper part of the oil storage tank is provided with a detection sensor for detecting the height of the liquid level of the medium in the oil storage tank.

6. The multi-outlet lubrication pump of claim 5, wherein: the detection sensor is a capacitive sensor (71) and/or an ultrasonic sensor (72).

7. The multi-outlet lubrication pump of claim 1, wherein: the eccentric shaft driving mechanism (3) comprises an eccentric shaft (31), and a first bearing (32), a second bearing (33), a third bearing (34) and a fourth bearing (35) are sequentially sleeved on the eccentric shaft (31) from bottom to top; a first pull-back ring (36) is sleeved on the first bearing (32), a first clamping ring protruding upwards is arranged at the top of the first pull-back ring (36), and a first clamping groove (38) capable of clamping a power end of a pump core (2) is formed among the inner ring wall of the first clamping ring, the top surface of the first pull-back ring (36) and the outer ring wall of the second bearing (33); a second pull-back ring (37) is sleeved on the fourth bearing (35), a second clamping ring protruding downwards is arranged at the bottom of the second pull-back ring (37), and a second clamping groove (39) capable of clamping the power end of the other pump core (2) is formed among the inner ring wall of the second clamping ring, the top surface of the second pull-back ring (37) and the outer ring wall of the third bearing (34).

8. The multi-outlet lubrication pump of claim 7, wherein: the pump core (2) comprises a pump body (21), a liquid inlet channel (22) is arranged in the pump body (21), a liquid outlet (23) communicated with the liquid inlet channel (22) is arranged at one end of the pump body (21), and a liquid inlet (24) communicated with the liquid inlet channel (22) is arranged on the side wall of the other end of the pump body (21); the pump body (21) is arranged on the oil storage tank, and a liquid inlet (24) on the pump body (21) is positioned in the oil storage tank; a one-way valve component is arranged between the liquid outlet (23) and the liquid inlet channel (22); one end of the liquid inlet channel (22) far away from the liquid outlet (23) is connected with a plunger (25) in a sliding manner; one end of the plunger (25) far away from the liquid inlet channel (22) is clamped on the first clamping groove (38) or the second clamping groove (39).

9. The multi-outlet lubrication pump of claim 8, wherein: the check valve component comprises a placing groove arranged at one end of the liquid outlet (23) close to the liquid inlet channel (22), a check valve rod (26) and a spring (27) which are arranged in the placing groove; one end of the placing groove close to the liquid inlet channel (22) is provided with a first conical surface inclined towards the liquid outlet (23), and one end of the one-way valve rod (26) close to the liquid inlet channel (22) is provided with a second conical surface matched with the first conical surface; spring (27) cup joints the one end of keeping away from inlet channel (22) at one-way valve rod (26), provides a power towards inlet channel (22) direction for one-way valve rod (26), makes first conical surface and the airtight laminating of second conical surface.

10. The multi-outlet lubrication pump of claim 9, wherein: one end of the spring (27) is provided with a spring nut (28) used for limiting the spring (27) in the placing groove, the other end of the spring (27) is provided with a spring seat (29) used for limiting the spring (27) in the radial direction, and two ends of the spring (27) are respectively abutted against the spring nut (28) and the spring seat (29); the spring seat (29) is sleeved on the one-way valve rod (26); the outer surface of the spring nut (28) is in threaded connection with the liquid outlet (23), and one end, far away from the spring (27), of the spring nut (28) is provided with an adjusting groove (30).

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