Electric multi-wire plunger lubricating pump

Abstract

The utility model relates to an electric multi-wire plunger lubricating pump which comprises a pump base of the lubricating pump, an oil tank is fixedly connected to the upper portion of the pump base, a control box is fixedly connected to the lower portion of the pump base, a vertical motor is fixedly installed in the control box, an oil supply cavity communicated with the oil tank is formed in the upper portion of the pump base, and a cam assembly is inserted in the oil supply cavity. An upper set of plunger pump cores and a lower set of plunger pump cores which are annularly distributed abut against the outer wall of the cam, and a rotating shaft of the motor penetrates through the pump base to be fixedly connected to the cam assembly in an inserted mode. The upper end of a motor rotating shaft extends out of the cam assembly to be fixedly connected with a paddle in an inserted mode, the two ends of the paddle are bent to form connecting plates, the connecting plates are fixedly connected with inclined elastic scraping pieces through screws, and the outer side edges of the elastic scraping pieces abut against the inner wall of the lower portion of the oil tank. According to the multi-line plunger lubricating pump, the structure of the lower motor, the middle pump base and the upper oil tank is adopted, assembly is convenient, meanwhile, the requirement for the motor can be reduced, the manufacturing cost can be saved, the problem that oil is hung on the inner wall of the oil tank can be effectively solved, and the market competitiveness can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical fields of lubricating pump, more particularly to a kind of electric multi-line plunger lubricating pump. BACKGROUND

[0002] Current vehicles and engineering equipment have generally adopted centralized lubricating device, which can supply oil to each lubricating point in a timed and quantitative manner. The centralized lubricating device is composed of a lubricating pump and a distributor. The oil supply period and frequency are controlled by the lubricating pump, and the oil supply amount is controlled by the quantitative distributor. The above-mentioned lubricating pump can only realize single-line output, and the subsequent lubricating distribution needs to be completed by the distributor. Therefore, it is proposed whether the lubricating pump can realize multi-line output, so that the distributor does not need to be installed again, thereby a plunger lubricating pump capable of multi-line output is generated. The plunger pump core is driven one by one based on cam rotation to realize the output of lubricating oil one by one. However, the existing multi-line plunger lubricating pump has the structure of lower pump base and upper oil tank. The motor driving the cam rotation is installed in the oil tank. First, it is inconvenient to install. Second, the performance requirements of the motor are relatively high, requiring good sealing performance, corrosion resistance and other properties. The cost of the motor is high. In addition, the lubricating oil is easily attached to the inner wall of the oil tank, and the utilization rate of the lubricating oil is not good. Therefore, the structure needs to be improved. SUMMARY

[0003] The utility model discloses a kind of electric multi-line plunger lubricating pumps, it adopts the structure of lower motor, middle pump base and upper oil tank, it is convenient to assemble while can reduce the requirement to motor, can save manufacturing cost, and effectively solve the problem of oil tank inner wall hanging oil, can greatly improve market competitiveness.

[0004] A kind of electric multi-line plunger lubricating pump, including the pump base of lubricating pump, the upper portion of pump base is fixedly connected with oil tank, the lower portion is fixedly connected with control box, vertical motor is installed and fixed in control box, the upper portion of pump base is formed with oil supply cavity being communicated with oil tank, cam assembly is inserted in oil supply cavity, cam assembly is composed of two upper and lower cams, the outer wall of cam is respectively abutted with the plunger pump core of the annular distribution of two groups of upper and lower, plunger pump core is fixed on pump base, the outer end of plunger pump core is fixed with quick coupling and extends pump base;The rotating shaft of motor is inserted and fixed on cam assembly;The upper end of motor rotating shaft extends and is inserted and fixed with horizontal and presents the paddle of '' character '' shape in cam assembly, the both ends of paddle are bent and formed with vertical connecting plate, obliquely arranged elastic scraper is fixedly connected on connecting plate by screw, the outer side of elastic scraper is abutted on the inner wall of the lower portion of oil tank;

[0005] The front side of paddle left side and the rear side of paddle right side are respectively formed with downward inclined guide vane, the lower side of guide vane is formed with horizontal oil pressing vane;

[0006] The oil tank is provided with a breathing valve on the top.

[0007] Preferably, the two side walls of the rear part of the pump base are respectively formed with an ear seat, and a plurality of mounting holes are formed in the ear seat.

[0008] Preferably, the impeller is inserted into the bottom of the oil tank, and a "cross" shaped stable support is connected between the motor shaft and the cam assembly through a bearing, and the end of the stable support is fixed on the pump base through a bolt.

[0009] Preferably, the outer walls of the two cams of the cam assembly are not in the same cam surface, and the upper and lower groups of plunger pump cores on the pump base are distributed in a staggered manner.

[0010] Preferably, the breathing valve is provided with an air inlet cavity, a one-way valve plate is arranged in the air inlet cavity, and a plurality of air inlet holes are formed in the side wall of the breathing valve on the upper side of the one-way valve plate and communicated with the air inlet cavity.

[0011] Preferably, the end of the sealing cap is formed with a T-shaped lifting handle, the lifting handle is formed with an anti-lost rope, the end of the anti-lost rope is formed with a circular connecting ring, and the connecting ring is inserted into the oil inlet.

[0012] Preferably, the front side of the control box is inserted and fixed with a control display screen, a control board is arranged in the control box, the control display screen and the motor are electrically connected with the control board through lines, the control board is electrically connected with a power supply terminal, and the end of the power supply terminal extends out of the control box.

[0013] The beneficial effects of the utility model lie in:

[0014] The multi-line plunger lubricating pump adopts the structure of lower motor, middle pump base and upper oil tank, can reduce the requirement for the motor, can save the manufacturing cost, can effectively solve the problem of oil hanging on the inner wall of the oil tank, and can greatly improve the market competitiveness. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0016] Fig. 2 It is a three-dimensional structural schematic diagram of the oil tank part of the utility model;

[0017] Fig. 3 It is a top view structural schematic diagram of the oil tank part of the utility model.

[0018] In the figure: 1, pump base; 11, ear seat; 12, mounting hole; 2, motor; 3, umbrella control box; 4, stable support; 5, cam assembly; 6, plunger pump core; 7, oil tank; 8, paddle; 81, connecting plate; 82, guide vane; 83, oil pressing vane; 9, elastic scraper; 10, oil filler; 20, sealing cap; 201, pull handle; 202, anti-lost rope; 30, power supply terminal; 40, breather valve. DETAILED DESCRIPTION

[0019] Embodiment: see Figs. 1 to 3 As shown in the figure, an electric multi-line plunger lubricating pump comprises a pump base 1 of the lubricating pump, an oil tank 7 is fixed to the upper part of the pump base 1, and a control box 3 is fixed to the lower part of the pump base 1. A vertical motor 2 is installed and fixed in the control box 3. The upper part of the pump base 1 is formed with an oil supply cavity in communication with the oil tank 7. A cam assembly 5 is inserted in the oil supply cavity. The cam assembly 5 is composed of two cams which are an integral structure. The outer wall of the cam abuts against two sets of annularly distributed plunger pump cores 6. The plunger pump cores 6 are fixed on the pump base 1. The outer end of the plunger pump core 6 extends out of the pump base 1 and is fixed with a quick connector. The rotating shaft of the motor 2 penetrates through the pump base 1 and is inserted and fixed on the cam assembly 5. The upper end of the rotating shaft of the motor 2 extends out of the cam assembly 5 and is inserted and fixed with a horizontal and "I" shaped paddle 8. The two ends of the paddle 8 are bent and formed with vertical connecting plates 81. The connecting plates 81 are fixed with obliquely arranged elastic scrapers 9 through screws. The outer side of the elastic scraper 9 abuts against the inner wall of the lower part of the oil tank 7.

[0020] The front side of the left side of the paddle 8 and the rear side of the right side are respectively formed with downward inclined guide vanes 82. The lower side of the guide vane 82 is formed with a horizontal oil pressing vane 83.

[0021] The pump base 1 between the plunger pump cores 6 is fixed with an oil filler 10 in communication with the oil supply cavity. The oil filler 10 is sleeved with a sealing cap 20. The top of the oil tank 7 is screwed with a breather valve 40.

[0022] The outer walls of the two sides of the rear part of the pump base 1 are respectively formed with ear seats 11. The ear seats 11 are formed with a plurality of mounting holes 12. Screws are arranged in the mounting holes 12. The lubricating pump is installed and fixed by using the screws.

[0023] The paddle 8 is inserted at the bottom of the oil tank 7. The rotating shaft of the motor 2 between the paddle 8 and the cam assembly 5 is connected with a "cross" shaped stable support 4 through a bearing. The end of the stable support 4 is fixed on the pump base 1 through a bolt. Because of the rotating shaft of the motor 2, the stability of the rotation of the rotating shaft can be improved by adding the stable support 4, and the rotation jump of the rotation can be reduced.

[0024] The outer walls of the two cams on the cam assembly 5 are not in the same cam surface, the upper and lower groups of plunger pump cores 6 on the pump base 1 are distributed in a staggered manner, and only one plunger pump core 6 discharges oil at the same time during the rotation of the cam assembly 5.

[0025] The air inlet cavity is provided with a one-way valve plate, and a plurality of air inlet holes are formed in the side wall of the breathing valve 40 on the upper side of the one-way valve plate and are connected with the air inlet cavity.

[0026] Preferably, the end of the sealing cap 20 is formed with a T-shaped lifting handle 201, the lifting handle 201 is formed with an anti-loss rope 202, and the end of the anti-loss rope 202 is formed with a circular connecting ring which is inserted on the oil filler hole 10.

[0027] The front side of the control box 3 is inserted and fixed with a control display screen, a control board is installed in the control box 3, the control display screen and the motor 2 are electrically connected with the control board through lines, and the control board is electrically connected with 30.

[0028] Working principle: the structure is an electric multi-line plunger lubricating pump, and the lubricating pump technology has two aspects, one is the layout structure of the lubricating pump, which is provided with a motor 2 at the bottom, a pump base 1 in the middle and an oil tank 7 at the upper part, compact structure, easy to assemble, and compared with the motor provided in the oil tank 7, the performance requirement of the motor can be greatly reduced, and the cost is saved.

[0029] The other is the structure of the paddle 8 of the oil tank 7, the both ends of the paddle 8 are provided with elastic scrapers 9, the elastic scrapers 9 abut against the inner wall of the oil tank 7, and the lubricating oil adhered to the paddle 8 can be scraped and transported to the upper part of the paddle 8 by rotating the paddle 8; and the paddle 8 is provided with a guide blade 82 and a pressure oil blade 83, so that the lubricating oil in the upper part of the paddle 8 can be transported to the oil supply cavity of the pump base 1, and the flow and output of the lubricating oil are utilized.

[0030] The embodiments are used to illustrate the utility model, and are not used to limit the utility model. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the utility model, and therefore the protection scope of the utility model should be as listed in the claims of the utility model.

Claims

1. An electric multi-line plunger lubrication pump, comprising a pump base (1) for the lubrication pump, an oil tank (7) fixedly connected to the upper part of the pump base (1) and a control box (3) fixedly connected to the lower part, a vertical motor (2) installed and fixed inside the control box (3), an oil supply chamber communicating with the oil tank (7) formed on the upper part of the pump base (1), a cam assembly (5) inserted in the oil supply chamber, the cam assembly (5) consisting of upper and lower cams, upper and lower sets of annularly distributed plunger pump cores (6) respectively abutting against the outer wall of the cams, the plunger pump cores (6) fixed on the pump base (1), the outer end of the plunger pump cores (6) extending out of the pump base (1) and fixedly connected to a quick connector; the rotating shaft of the motor (2) passes through the pump base (1) and is inserted and fixed on the cam assembly (5); characterized in that: The upper end of the motor (2) shaft extends out of the cam assembly (5) and is fixed with a horizontal blade (8) in the shape of an "I". The two ends of the blade (8) are bent into vertical connecting plates (81). An inclined elastic scraper (9) is fixedly connected to the connecting plate (81) by screws. The outer edge of the elastic scraper (9) abuts against the inner wall of the lower part of the oil tank (7). The left front side and right rear side of the blade (8) are respectively formed with downward inclined guide blades (82), and the lower side of the guide blades (82) is formed with horizontal oil pressure blades (83). A filler port (10) communicating with the oil supply chamber is fixedly connected to the pump seat (1) between the plunger pump cores (6), and a sealing cap (20) is fitted on the filler port (10); a breather valve (40) is screwed to the top of the oil tank (7).

2. The electric multi-line plunger lubrication pump according to claim 1, characterized in that: The pump base (1) has ear seats (11) formed on both sides of the rear outer wall, and a number of mounting holes (12) are formed on the ear seats (11).

3. The electric multi-line plunger lubrication pump according to claim 1, characterized in that: The blade (8) is inserted at the bottom of the oil tank (7). A cross-shaped stabilizing bracket (4) is connected to the motor (2) shaft between the blade (8) and the cam assembly (5) via a bearing. The end of the stabilizing bracket (4) is fixed to the pump base (1) by bolts.

4. The electric multi-line plunger lubrication pump according to claim 3, characterized in that: The outer walls of the two cams on the cam assembly (5) are not in the same cam surface, and the upper and lower sets of plunger pump cores (6) on the pump seat (1) are misaligned.

5. An electric multi-line plunger lubrication pump according to claim 1, characterized in that: The breathing valve (40) is provided with an air inlet chamber, and a one-way valve plate is provided in the air inlet chamber. Several air inlet holes connected to the air inlet chamber are formed on the side wall of the breathing valve (40) above the one-way valve plate.

6. The electric multi-line plunger lubrication pump according to claim 1, characterized in that: The sealing cap (20) has a T-shaped handle (201) at its end, and an anti-loss rope (202) is formed on the handle (201). The end of the anti-loss rope (202) has a circular connecting ring, which is inserted into the oil filler (10).

7. An electric multi-line plunger lubrication pump according to claim 1, characterized in that: The control box (3) is fixedly connected to the front side of the control display screen. The control box (3) is equipped with a control board. The control display screen and the motor (2) are electrically connected to the control board through a line. The control board is electrically connected to a power terminal (30). The end of the power terminal (30) extends out of the control box (3).

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