Lubricating pump provided with handheld electric grease adding gun and lubricating system

Abstract

The utility model relates to a lubricating pump provided with a handheld electric grease adding gun and a lubricating system, and solves the problems of inconvenience in manual lubricating operation and low lubricating efficiency at an operation mechanism of engineering machinery. Comprising a lubricating pump and a handheld electric greasing gun, an upper cover of an oil tank of the lubricating pump is of a detachable structure, a positioning and locking assembly for placing, positioning and fixing the handheld electric greasing gun is arranged on the oil tank, the handheld electric greasing gun comprises a battery, a grease storage barrel, a grease injection module and a grease supplementing module, and the grease injection module comprises a grease injection motor, a grease injection pump and a grease injection gun head. An inlet of the grease injection pump is communicated with an outlet of the grease storage barrel, and an outlet of the grease injection pump is communicated with the grease injection gun head; the grease supplementing module comprises a grease supplementing motor, a grease supplementing pump and a grease supplementing pipe, an inlet of the grease supplementing pump is communicated with the grease supplementing pipe, and an outlet of the grease supplementing pump is communicated with an inlet of the grease storage barrel; the grease injection motor is an adjustable-speed motor, so that the rotating speed of the grease injection motor is adjusted according to the grease injection requirement, and different grease injection speeds are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of lubricating pump and lubricating system of configuration handheld electric fat gun. BACKGROUND

[0002] In the field of construction machinery, generally adopt centralized lubrication system to each friction pair is lubricated, for example, a set of centralized lubrication system is generally configured to excavator, system mainly includes lubricating pump, multiple distributors, pipeline and joint accessories etc., lubricating grease is pumped to each distributor by lubricating pump, after each distributor is quantitatively distributed, respectively, lubricating grease after distribution is supplied to each friction pair by pipeline.

[0003] But in actual use, the working part of excavator-digging bucket is directly contacted with material, and the lubricating pipeline and distributor arranged at connecting rod, rocker etc. are often easily damaged by material knock and impact, affect the overall operation of lubrication system;But other parts of friction pair installed at lubricating pipeline and distributor are not prone to damage.

[0004] Therefore, user hopes that connecting rod, rocker etc. are damaged by impact, and the rest of equipment continues to adopt centralized lubrication, but current handheld fat gun has the following problems: one is too small, to lubricate the friction pair at connecting rod, rocker etc., often needs to supplement multiple lubricating grease to handheld fat gun, and more times of fat supplement may be needed for medium and large excavator;Two is that the speed of handheld fat gun to lubricating grease is too slow;Three is that standard lubricating grease barrel needs to be carried additionally, so that handheld fat gun can be supplied with grease, and excavator is generally worked in poor conditions, and it is inconvenient to carry standard lubricating grease barrel, and lubricating grease is easily contaminated by dirt entering lubricating grease barrel. Above these problems make the efficiency of user's manual operation for lubrication extremely low and inconvenient, and delay the valuable working time of equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lubricating pump of configuration handheld electric fat gun, to solve the technical problems of inconvenient manual lubrication operation and low lubrication efficiency at the working mechanism of construction machinery;The utility model also aims at providing a kind of lubricating system with the above-mentioned lubricating pump of configuration handheld electric fat gun.

[0006] The technical scheme of the lubricating pump of configuration handheld electric fat gun of the utility model is as follows: the lubricating pump of configuration handheld electric fat gun includes:

[0007] Pump head assembly, including stirrer assembly;

[0008] The handheld electric greasing gun comprises a battery, a grease storage cylinder, a grease injection module and a grease supplementing module. The grease injection module comprises a grease injection motor, a grease injection pump and a grease injection gun head. The inlet of the grease injection pump is communicated with the outlet of the grease storage cylinder, and the outlet of the grease injection pump is communicated with the grease injection gun head. The grease supplementing module comprises a grease supplementing motor, a grease supplementing pump and a grease supplementing pipe. The inlet of the grease supplementing pump is communicated with the grease supplementing pipe, and the outlet of the grease supplementing pump is communicated with the inlet of the grease storage cylinder. The grease injection motor is a speed-regulating motor, so as to adjust the rotating speed of the grease injection motor according to the grease injection requirement, and realize different grease injection speeds.

[0009] The oil tank comprises a metal barrel. The upper cover of the metal barrel is a detachable upper cover. The metal barrel is provided with a positioning and locking assembly for placing and positioning and fixing the handheld electric greasing gun.

[0010] The switch controls the start and stop of the grease injection motor and the grease supplementing motor, and controls the speed of the grease injection motor.

[0011] The handheld electric greasing gun is configured to the lubricating pump. During normal work, the handheld electric greasing gun is placed at the side of the oil tank of the lubricating pump. The lubricating pump is used for centralized lubrication of the conventional lubrication points of the engineering machinery. When the lubrication points at the working mechanism of the engineering machinery need to be lubricated, the handheld electric greasing gun is taken down, the upper cover of the oil tank of the lubricating pump is opened, the grease supplementing pipe of the handheld electric greasing gun is inserted into the lubricating grease from the upper part of the oil tank, the grease supplementing motor is turned on through the switch, the grease supplementing pump is driven to operate, the lubricating grease in the oil tank is sucked into the grease storage cylinder through the grease supplementing pipe, the switch is turned off after the grease supplementing is completed, the upper cover of the oil tank is covered, and then the handheld electric greasing gun is used to inject the lubricating grease into the lubrication points near the working mechanism of the engineering machinery which need to be manually lubricated. The grease injection motor is turned on through the switch during the injection of the lubricating grease, and then the lubricating grease in the grease storage cylinder is sucked out and enters the lubrication points through the grease injection gun head. When the injection speed needs to be adjusted, the rotating speed of the grease injection motor is controlled through the switch, so that different injection speeds can be realized. It should be noted that the rotating speed of the motor is inversely proportional to the service life of the motor. The purpose of speed regulation is to use slow injection as much as possible in non-emergency situations, and to appropriately increase the injection speed in emergency situations. When the lubricating grease in the grease storage cylinder is insufficient, it can be supplemented from the oil tank. From the above process, it can be seen that the scheme of the present application can effectively solve the problem of slow manual grease supplementing of the existing handheld greasing gun, and solve the problem of slow injection of the existing handheld greasing gun, so as to improve the efficiency of manual lubricating grease injection as a whole.

[0012] Further, the grease supplementing pipe and / or the grease injection gun head are multi-section telescopic pipe structures. The grease supplementing pipe adopts a telescopic pipe structure, which can adapt to different liquid levels of the oil tank, so that the lubricating grease can be easily sucked, and the user can be easily operated. The grease injection gun head adopts a telescopic pipe structure, so that the grease injection gun head can reach the lubrication points at different positions, such as the lubrication points in narrow areas.

[0013] Further, the lower part of the metal barrel is funnel-shaped with the upper part larger than the lower part. This structure makes the metal barrel not only compatible with the original pump head assembly, but also increases the volume of the metal barrel to store enough lubricating grease for the centralized lubrication system and the handheld electric grease gun.

[0014] Further, the grease injection motor is a speed reducer motor, the grease injection pump comprises an eccentric wheel mechanism driven by the grease injection motor and a plunger pair driven by the eccentric wheel mechanism.

[0015] Further, the grease injection motor is a speed reducer motor, the grease injection pump comprises an eccentric wheel mechanism driven by the grease injection motor and a plunger pair driven by the eccentric wheel mechanism.

[0016] Further, the upper cover of the metal barrel is hingedly connected to one side of the metal barrel and buckle-connected to the other side.

[0017] Further, the positioning and locking assembly comprises a metal hook for positioning and suspending the handheld electric grease gun and a clamp assembly for fixing the handheld electric grease gun.

[0018] Further, the grease injection module and / or the grease supplement module of the handheld electric grease gun are provided with an oil pressure sensor. The oil pressure sensor provided in the grease supplement module can know in time that the grease injection is full when the grease is filled into the grease storage cylinder, so as to stop in time to avoid damage to the components and overflow of the lubricating grease. The oil pressure sensor provided in the grease injection module can know in time that the grease injection is full or that the point is blocked when the lubricating grease is injected into the lubricating point, so as to ensure the safety of the grease gun and the lubricating point.

[0019] Further, the switch comprises three working positions, namely, a closed working position, a grease supplement working position for making the grease supplement module work, and a grease injection working position for making the grease injection module work.

[0020] The technical scheme of the lubrication system is as follows: the lubrication system comprises:

[0021] a distributor;

[0022] a pump head assembly comprising a stirring rod assembly;

[0023] a handheld electric grease gun comprising a battery, a grease storage cylinder, a grease injection module and a grease supplement module, the grease injection module comprising a grease injection motor, a grease injection pump and a grease injection gun head, the inlet of the grease injection pump being in communication with the outlet of the grease storage cylinder, and the outlet of the grease injection pump being in communication with the grease injection gun head; the grease supplement module comprising a grease supplement motor, a grease supplement pump and a grease supplement pipe, the inlet of the grease supplement pump being in communication with the grease supplement pipe, and the outlet of the grease supplement pump being in communication with the inlet of the grease storage cylinder; the grease injection motor is a speed regulation motor, so as to adjust the speed of the grease injection motor according to the grease injection requirement, and realize different grease injection speeds.

[0024] The oil tank comprises a metal barrel, an upper cover of the metal barrel is a detachable upper cover, and a positioning and locking assembly for placing and positioning and fixing the handheld electric lubricating gun is arranged on the metal barrel.

[0025] A switch is arranged to control the start and stop of the lubricating and supplementing electric machines and the speed of the lubricating electric machine.

[0026] The beneficial effects of the scheme are as follows: the lubricating pump is provided with the handheld electric lubricating gun, the handheld electric lubricating gun is placed at the side of the oil tank of the lubricating pump during normal work, the lubricating pump is used for centralized lubrication of the conventional lubrication points of the engineering machinery, when the lubrication points at the working mechanism of the engineering machinery need to be lubricated, the handheld electric lubricating gun is taken down, the upper cover of the oil tank of the lubricating pump is opened, the supplementing pipe of the handheld electric lubricating gun is inserted into the lubricating grease from the upper part of the oil tank, the switch is opened to drive the supplementing pump to operate, the lubricating grease in the oil tank is sucked into the grease storage cylinder through the supplementing pipe, the switch is closed after the supplementing is completed, the upper cover of the oil tank is closed, and then the handheld electric lubricating gun is used to lubricate the lubrication points near the working mechanism of the engineering machinery which need to be manually lubricated, the lubricating electric machine is directly opened through the switch during lubrication, and then the lubricating pump can suck out the lubricating grease in the grease storage cylinder and enter the lubrication points through the lubricating gun head; when the lubricating speed needs to be adjusted, the rotating speed of the lubricating electric machine is controlled through the switch to achieve different lubricating speeds, and it is necessary to note that the rotating speed of the electric machine is inversely proportional to the service life of the electric machine, and the purpose of speed regulation is mainly to use slow lubricating as much as possible in non-emergency situations, and the lubricating speed can be appropriately increased in emergency situations; when the lubricating grease in the grease storage cylinder is insufficient, it can be supplemented from the oil tank again. It can be seen from the above process that the scheme can effectively solve the problem that the existing handheld lubricating gun is slow in manual supplementing and the problem that the existing handheld lubricating gun is slow in lubricating, so that the efficiency of manual lubricating grease is improved as a whole.

[0027] Further, the supplementing pipe and / or the lubricating gun head are in a multi-section telescopic pipe structure. The supplementing pipe adopts a telescopic pipe structure, which can adapt to different liquid levels of the oil tank, so that the lubricating grease can be easily sucked and the user can be easily operated; the lubricating gun head adopts a telescopic pipe structure, so that the lubricating gun head can reach the lubrication points at different positions, such as the lubrication points in narrow areas.

[0028] Further, the lower part of the metal barrel is in a funnel structure with a large upper part and a small lower part. This structure makes the metal barrel not only adapt to the original pump head assembly, but also increase the volume of the metal barrel to store enough lubricating grease for the centralized lubrication system and the handheld electric lubricating gun.

[0029] Further, the lubricating electric machine is a speed-reducing electric machine, the lubricating pump comprises an eccentric mechanism driven by the lubricating electric machine and a plunger pair driven by the eccentric mechanism.

[0030] Furthermore, the grease filling motor is a geared motor, and the grease filling pump includes an eccentric wheel mechanism driven by the grease filling motor and a plunger pair driven by the eccentric wheel mechanism.

[0031] Furthermore, the top cover of the metal bucket is hinged to one side of the metal bucket and snapped together on the other side.

[0032] Furthermore, the positioning and locking assembly includes a metal hook for positioning and suspending the handheld electric grease gun and a clamp assembly for securing the handheld electric grease gun.

[0033] Furthermore, the handheld electric grease gun's grease replenishment module and / or grease injection module are equipped with corresponding oil pressure sensors. The oil pressure sensor in the grease replenishment module allows for timely detection of when the grease reservoir is full, enabling prompt stopping to prevent damage to components and grease overflow. Similarly, the oil pressure sensor in the grease injection module allows for timely detection of when the lubrication point is full or blocked, ensuring the safety of the grease gun and lubrication points.

[0034] Furthermore, the switch includes three working positions: a shutdown position, a grease filling position for operating the grease filling module, and a grease injection position for operating the grease injection module. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of a structure of an embodiment of the lubrication pump equipped with a handheld electric grease gun according to the present invention;

[0036] Figure 2 for Figure 1 Schematic diagram of the structure of the medium-speed lubrication pump;

[0037] Figure 3 for Figure 1 A schematic diagram of the structure of the handheld electric grease gun;

[0038] Figure 4 for Figure 2 The corresponding working principle block diagram of the handheld grease gun;

[0039] Figure 5 This is a schematic diagram showing the working state of a handheld electric fat-dispensing gun during fat replenishment.

[0040] In the diagram: 1-Lubrication pump, 11-Pump head assembly, 12-Oil tank, 121-Top cover, 122-Metal hook, 2-Handheld electric grease gun, 21-Battery, 22-Grease reservoir, 23-Grease injection motor, 24-Grease injection pump, 25-Grease injection nozzle, 26-Grease replenishment motor, 27-Grease replenishment pump, 28-Grease replenishment hose, 29-Switch, 30-Oil pressure sensor. Detailed Implementation

[0041] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described examples are only a part of the examples of the utility model, but not all the examples. The components of the utility model examples generally described and shown in the drawings can be arranged and designed in various different configurations.

[0042] Therefore, the detailed description of the embodiments of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0043] It should be noted that the relational terms such as "first" and "second" and the like are used only to distinguish one entity or action from another entity or action, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0044] The features and performance of the utility model will be further described in detail below in combination with examples.

[0045] A specific embodiment of the lubricating pump configured with the handheld electric fatting gun of the utility model is as follows: Figures 1-4As shown, the lubricating pump configured with the handheld electric lubricating gun mainly comprises a lubricating pump 1 and a handheld electric lubricating gun 2, wherein the lubricating pump 1 comprises an oil tank 12 and a pump head assembly 11, the structure of the pump head assembly 11 is the prior art, and will not be described here again, and it is only necessary to know that the pump head assembly 11 comprises a controller, a lubricating motor and a related transmission mechanism, a plunger pair and a stirring rod assembly. The oil tank 12 is a metal oil tank 12, comprising a metal barrel, the upper cover 121 of the metal barrel is a detachable upper cover 121, a positioning and locking assembly for placing and positioning and fixing the handheld electric lubricating gun 2 is arranged on the metal barrel, the positioning and locking assembly in the embodiment comprises a metal hook 122 for positioning and suspending the handheld electric lubricating gun 2 and a clamp assembly for fixing the handheld electric lubricating gun 2. The metal hook 122 is at least two, and the handheld electric lubricating gun 2 is positioned at two points. The clamp assembly adopts a quick plug structure to facilitate quick disassembly and fixing of the handheld electric lubricating gun 2. The lower part of the metal barrel is a funnel-shaped structure with a large upper part and a small lower part. This structure makes the metal barrel not only compatible with the original pump head assembly 11, but also increases the volume of the metal barrel to reserve enough lubricating grease for the centralized lubricating system and the handheld electric lubricating gun 2. The upper cover 121 of the metal barrel is hinged to one side of the metal barrel and is buckled to the other side.

[0046] As Figures 3-4As shown, the handheld electric greasing gun 2 comprises a battery 21, a grease storage cylinder 22, a greasing module, a grease supplementing module, a handheld handle, etc. The battery 21 is a detachable rechargeable battery 21. The greasing module comprises a greasing motor 23, a greasing pump 24 and a greasing gun head 25. The inlet of the greasing pump 24 is communicated with the outlet of the grease storage cylinder 22, and the outlet of the greasing pump 24 is communicated with the greasing gun head 25. The grease supplementing module comprises a grease supplementing motor 26, a grease supplementing pump 28 and a grease supplementing pipe. The inlet of the grease supplementing pump 28 is communicated with the grease supplementing pipe, and the outlet of the grease supplementing pump 28 is communicated with the inlet of the grease storage cylinder 22. The greasing motor 23 is a speed-regulating motor, so as to adjust the rotating speed of the greasing motor 23 according to the greasing requirement, and realize different greasing speeds. A switch 29 is arranged on the handheld handle, for controlling the start and stop of the greasing motor 23 and the grease supplementing motor 26, and controlling the speed of the greasing motor 23. The grease supplementing pipe and / or the greasing gun head 25 is in a multi-section telescopic pipe structure. The grease supplementing pipe is in a telescopic pipe structure, so as to adapt to different liquid level heights of the oil tank 12, and make it convenient to draw the lubricating grease and convenient for user operation. The greasing gun head 25 is in a telescopic pipe structure, so as to reach the lubricating points at different positions, such as the lubricating points in narrow areas. The greasing motor 23 is a speed-reducing motor, and the greasing pump 24 comprises an eccentric wheel mechanism driven by the greasing motor 23 and a plunger pair driven by the eccentric wheel mechanism. The grease supplementing motor 26 is a speed-reducing motor, and the grease supplementing pump 28 comprises an eccentric wheel mechanism driven by the grease supplementing motor 26 and a plunger pair driven by the eccentric wheel mechanism. The grease supplementing module and / or the greasing module of the handheld electric greasing gun 2 is correspondingly provided with an oil pressure sensor 30. The oil pressure sensor 30 arranged on the grease supplementing module can know in time that the grease storage cylinder 22 is filled up when the grease storage cylinder 22 is filled, so as to stop in time, and avoid damaging components and lubricating grease overflow. The oil pressure sensor 30 arranged on the greasing module can know in time that the lubricating point is filled up or blocked when the lubricating grease is added to the lubricating point, so as to ensure the safety of the greasing gun and the lubricating point.

[0047] The lubricating pump of the present application is configured with a handheld electric lubricating gun 2. During normal operation, the handheld electric lubricating gun 2 is placed at the side of the oil tank 12 of the lubricating pump 1, and the lubricating pump 1 is used for centralized lubrication of the conventional lubrication points of the engineering machinery. When the lubrication points at the working mechanism of the engineering machinery need to be lubricated, the handheld electric lubricating gun 2 is removed, the upper cover 121 of the oil tank 12 of the lubricating pump 1 is opened, the replenishing pipe of the handheld electric lubricating gun 2 is inserted into the lubricating grease from the upper part of the oil tank 12, the replenishing motor 26 is turned on through the switch 29, the replenishing pump 28 is driven to operate, the lubricating grease in the oil tank 12 is sucked into the grease storage cylinder 22 through the replenishing pipe, the switch 29 is closed after the replenishing is completed, the upper cover 121 of the oil tank 12 is closed, and then the handheld electric lubricating gun 2 can be used to lubricate the lubrication points near the working mechanism of the engineering machinery which need to be manually lubricated. When lubricating, the lubricating motor 23 is turned on through the switch 29, and the lubricating grease in the grease storage cylinder 22 can be sucked out through the lubricating gun head 25 and then injected into the lubrication points. When the lubricating speed needs to be adjusted, the rotating speed of the lubricating motor 23 is controlled through the switch 29 to achieve different lubricating speeds. It should be noted that the rotating speed of the motor is inversely proportional to the service life of the motor, and the purpose of speed regulation is mainly to use slow lubricating as much as possible under non-emergency conditions, and to appropriately increase the lubricating speed under emergency conditions. When the lubricating grease in the grease storage cylinder 22 is insufficient, it can be replenished from the oil tank 12 again. From the above process, it can be seen that the scheme of the present application can effectively solve the problems of slow manual replenishment and slow lubricating speed of the existing handheld lubricating gun, thereby improving the efficiency of manual lubricating grease injection as a whole.

[0048] The lubricating system of the present application mainly comprises a lubricating pump 1, a distributor, a pipe joint and other accessories. The structure of the lubricating pump 1 is the same as that of the lubricating pump configured with the handheld electric lubricating gun described above, and will not be described again.

[0049] The above is only a preferred embodiment of the present application, and does not limit the present application. The patent protection scope of the present application is subject to the claims, and any equivalent structural changes made according to the content of the specification and drawings of the present application should also be included in the protection scope of the present application.

Claims

1. A lubricating pump configured for a handheld electric lubricating gun, comprising: a pump head assembly comprising a stirrer assembly; characterized in that it further comprises: a handheld electric lubricating gun comprising a battery, a grease reservoir, a lubricating module and a replenishing module, the lubricating module comprising a lubricating motor, a lubricating pump and a lubricating gun head, the inlet of the lubricating pump being in communication with the outlet of the grease reservoir, and the outlet of the lubricating pump being in communication with the lubricating gun head; the replenishing module comprising a replenishing motor, a replenishing pump and a replenishing pipe, the inlet of the replenishing pump being in communication with the replenishing pipe, and the outlet of the replenishing pump being in communication with the inlet of the grease reservoir; the lubricating motor being a variable speed motor, so as to adjust the speed of the lubricating motor according to the lubricating needs, and to achieve different lubricating speeds; a tank comprising a metal barrel, the upper cover of the metal barrel being a detachable upper cover, and the metal barrel being provided with a positioning and locking assembly for placing and positioning the handheld electric lubricating gun; a switch for controlling the start and stop of the lubricating motor and the replenishing motor, and for controlling the speed of the lubricating motor.

2. The lubrication pump of a hand-held electric fat-impregnating gun according to claim 1, characterized in that The replenishing pipe and / or the lubricating gun head are of a multi-section telescopic pipe structure.

3. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, characterized in that, The lower part of the metal barrel is of a funnel-shaped structure with a large upper part and a small lower part.

4. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, characterized in that, The lubricating motor is a speed-reducing motor, and the lubricating pump comprises an eccentric mechanism driven by the lubricating motor and a plunger pair driven by the eccentric mechanism.

5. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, characterized in that, The replenishing motor is a speed-reducing motor, and the replenishing pump comprises an eccentric mechanism driven by the replenishing motor and a plunger pair driven by the eccentric mechanism.

6. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, wherein, The upper cover of the metal barrel is hinged to one side of the metal barrel and is buckled to the other side.

7. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, wherein, The positioning and locking assembly comprises a metal hook for positioning and suspending the handheld electric lubricating gun and a clamp assembly for fixing the handheld electric lubricating gun.

8. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, wherein, The replenishing module and / or the lubricating module of the handheld electric lubricating gun are provided with an oil pressure sensor.

9. The lubrication pump of a configuration hand-held electric fatting gun according to claim 1, wherein, The switch comprises three working positions, namely a closed position, a replenishing position for operating the replenishing module and a lubricating position for operating the lubricating module.

10. A lubricating system, comprising: a dispenser; a pump head assembly comprising a stirrer assembly; characterized in that it further comprises: a handheld electric lubricating gun comprising a battery, a grease reservoir, a lubricating module and a replenishing module, the lubricating module comprising a lubricating motor, a lubricating pump and a lubricating gun head, the inlet of the lubricating pump being in communication with the outlet of the grease reservoir, and the outlet of the lubricating pump being in communication with the lubricating gun head; the replenishing module comprising a replenishing motor, a replenishing pump and a replenishing pipe, the inlet of the replenishing pump being in communication with the replenishing pipe, and the outlet of the replenishing pump being in communication with the inlet of the grease reservoir; the lubricating motor being a variable speed motor, so as to adjust the speed of the lubricating motor according to the lubricating needs, and to achieve different lubricating speeds; a tank comprising a metal barrel, the upper cover of the metal barrel being a detachable upper cover, and the metal barrel being provided with a positioning and locking assembly for placing and positioning the handheld electric lubricating gun; a switch for controlling the start and stop of the lubricating motor and the replenishing motor, and for controlling the speed of the lubricating motor.

11. The lubrication system of claim 10, wherein, The replenishing pipe and / or the lubricating gun head are of a multi-section telescopic pipe structure.

12. The lubrication system of claim 10, wherein, The lower part of the metal barrel is of a funnel-shaped structure with a large upper part and a small lower part.

13. The lubrication system of claim 10, wherein, The lubricating motor is a speed-reducing motor, and the lubricating pump comprises an eccentric mechanism driven by the lubricating motor and a plunger pair driven by the eccentric mechanism.

14. The lubrication system of claim 10, wherein, The replenishing motor is a speed-reducing motor, and the replenishing pump comprises an eccentric mechanism driven by the replenishing motor and a plunger pair driven by the eccentric mechanism.

15. The lubrication system of claim 10, wherein, The upper cover of the metal barrel is hinged to one side of the metal barrel and is buckled to the other side.

16. The lubrication system of claim 10, wherein, The positioning and locking assembly comprises a metal hook for positioning a hanging handheld electric greasing gun and a clamping assembly for fixing the handheld electric greasing gun.

17. The lubrication system of claim 10, wherein, The oil pressure sensor is arranged in the greasing module and / or the injecting module of the handheld electric greasing gun.

18. The lubrication system of claim 10, wherein, The switch comprises three working positions, namely a closing position, a greasing position for enabling the greasing module to work and an injecting position for enabling the injecting module to work.

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