Portable lubricating grease injector

Abstract

The utility model discloses a portable lubricating grease injector, which relates to the technical field of oil injectors and comprises an oil injector body, an oil injection cylinder is arranged on the upper side of the oil injector body, a connecting seat and an oil injection pipe are arranged on the right side of the oil injector body, an inner cavity is arranged in the connecting seat, and the oil injection cylinder and the oil injection pipe are both communicated with the inner cavity. The oil injection mechanism comprises a motor, a driving arm, a driven arm, a piston rod and a worm and gear assembly box, the motor operates to drive the driving arm to rotate, the piston rod can be driven to reciprocate in the oil injection pipe through the driven arm and a knuckle bearing, negative pressure is generated, and lubricating grease stored in an oil injection cylinder enters the oil injection pipe through an inner cavity and is discharged from an oil injection pipe opening; the oiling cylinder is detachably connected with the connecting seat through threads, so that the oiling cylinder can be conveniently replaced at any time; the driving arm, the driven arm and the piston rod are connected through bearings and pin shafts, so that the transmission efficiency is improved, and the use efficiency of the motor is improved; the oil injector is reasonable in structure, small in size, convenient to carry and high in oil injection efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine equipment technical field, concretely relates to a portable lubricating grease oil injector. BACKGROUND

[0002] The mine equipment will produce friction, wear and tear and heat due to the relative movement between the pairs of movement when working, which influences the normal work of the machine. Therefore, the lubricating oil or grease must be added between the friction surfaces of the pairs of movement. The lubricating grease can be used for the occasions with low relative movement speed and load, and the lubricating grease is added periodically. Even so, it is still troublesome to add the lubricating grease for the complex structure and the adding point in the machine, and the machine must be stopped and disassembled, which influences the work efficiency and even causes the damage of the machine parts. If the oil is not added in time, the machine parts will be damaged.

[0003] The oil injector is mainly divided into three types, the handheld oil injector, the mechanical oil injector and the pneumatic oil injector. The handheld oil injector has low oil injection efficiency, small adding pressure and small adding amount. The mechanical oil injector and the pneumatic oil injector have large volume and complex structure, and are not convenient to carry. Therefore, a portable lubricating grease oil injector is needed, which is convenient to carry, can be used to inject oil and replace the oil storage component at any time, has high oil injection efficiency, simple and reliable structure and high work efficiency. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a portable lubricating grease oil injector.

[0005] In order to achieve the above object, the utility model provides a portable lubricating grease oil injector, including the oil injector body, the oil injector body upside is equipped with the oil injection cylinder, the oil injector body right side is equipped with the connecting seat and the oil injection pipe, the oil injection pipe is located the connecting seat downside, the connecting seat inside is equipped with the inner chamber, the oil injection cylinder and the oil injection pipe all are linked with the inner chamber, the oil injection cylinder's discharge gate and the inner chamber's feed gate are connected through the screw thread, be equipped with the exhaust valve that communicates the inner chamber on the connecting seat, the oil injector body inside is divided into power chamber and power supply chamber through the baffle, the oil injection pipe communicates the power chamber inside, be equipped with the oil injection mechanism in the power chamber, and the oil injection mechanism includes motor, driving arm, driven arm, piston rod, worm and gear assembly box, worm and gear assembly box is fixedly connected power chamber bottom through motor base, and the motor is fixedly installed on the worm and gear assembly box, the inside of worm and gear assembly box includes the worm and the worm that mutually meshes, the output shaft of motor is fixedly connected the worm, and the both ends of driven arm are equipped with bearing no.

[0006] Preferably, the driven arm is located on the upper side of the driving arm and the piston rod, and the driving arm and the piston rod are in the same horizontal plane.

[0007] Preferably, the oil injector body right side is equipped with the clamp, and the number of the clamp is four.

[0008] Preferably, the shell material of the oil injector body is stainless steel.

[0009] Preferably, the front and rear sides of the oil injector body are equipped with pull handles.

[0010] Preferably, the oil injection pipe is equipped with a check valve.

[0011] The utility model has the advantages that the motor operation drives the driving arm to rotate, through driven arm and joint bearing, can drive the piston rod reciprocating operation in the oil injection pipe, generates negative pressure, makes the lubricating grease stored in the oil injection cylinder inside pass through the inner chamber and enter the oil injection pipe and discharge in the oil injection pipe spout, can use the external catheter to connect the oil injection pipe spout, realizes the accurate injection of lubricating grease, and the clamp can be convenient for the fixation of catheter, the oil injection cylinder is detachably connected with the connecting seat through the screw thread, and the oil injection cylinder can be replaced at any time, the driving arm, driven arm and piston rod are connected through the bearing and pin shaft, improve transmission efficiency, increase the use efficiency of motor, the oil injector has reasonable structure, small size, convenient to carry, and high oil injection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0013] Fig. 1 is a structural schematic diagram of the present application;

[0014] Fig. 2 is a structural schematic diagram of the present application;

[0015] Fig. 3 is a structural schematic diagram of the oil injection mechanism.

[0016] In the figure, 1. oil injector body, 2. oil injection cylinder, 3. connecting seat, 4. oil injection pipe, 5. inner cavity, 6. exhaust valve, 7. partition plate, 8. power cavity, 9. power supply cavity, 10. motor, 11. driving arm, 12. driven arm, 13. piston rod, 14. motor base, 15. worm and gear assembly box, 16. worm wheel, 17. worm, 18. bearing one, 19. bearing two, 20. bearing three, 21. pin shaft one, 22. joint bearing, 23. pin shaft two, 24. rubber-sealed battery, 25. clamp, 26. pull handle, 27. one-way valve, 28. connecting shaft. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0018] Referring to Figs. 1-3The embodiment provides a portable lubricating grease injector, which comprises an injector body 1, an injection cylinder 2 arranged on the upper side of the injector body 1, a connecting seat 3 and an injection pipe 4 arranged on the right side of the injector body 1, the injection pipe 4 being arranged on the lower side of the connecting seat 3, an inner cavity 5 being arranged in the connecting seat 3, the injection cylinder 2 and the injection pipe 4 being communicated with the inner cavity 5, and the discharge port of the injection cylinder 4 being connected with the feeding port of the inner cavity 5 through threads; an exhaust valve 6 for communicating with the inner cavity 5 is arranged on the connecting seat 3; the inner part of the injector body 1 is divided into a power cavity 8 and a power supply cavity 9 through a partition plate 7, the injection pipe 4 is communicated with the inner part of the power cavity 8; an injection mechanism is arranged in the power cavity 8, the injection mechanism comprises a motor 10, a driving arm 11, a driven arm 12, a piston rod 13, a worm and gear assembly box 15, the worm and gear assembly box 15 is fixedly connected with the bottom of the power cavity 8 through a motor base 14, and the motor 10 is fixedly installed on the worm and gear assembly box 15; the worm and gear assembly box 15 comprises a worm wheel 16 and a worm 17 which are mutually engaged; the output shaft of the motor 10 is fixedly connected with the worm 17, both ends of the driven arm 12 are respectively provided with bearing one 18 and bearing two 19, one end of the driving arm 11 is provided with a connecting shaft 28, the other end of the driving arm 11 is provided with bearing three 20, the connecting shaft 28 is connected with the inner wall of the worm and gear assembly box 15 through a supporting bearing; the worm wheel 16 is located on the connecting shaft 28, and the bearing one 18 and the bearing three 20 are connected through a pin shaft one 21; the worm and gear assembly box 15 is used for realizing the steering of the output shaft of the motor, and driving the driving arm 11 to rotate around the connecting shaft 28; the piston rod 13 can reciprocate in the injection pipe 4, one end of the piston rod 13 in the power cavity 8 is provided with a joint bearing 22, the joint bearing 22 is connected with the bearing two 19 through a pin shaft two 23, a rubber-sealed battery 24 is arranged in the power supply cavity 9, and the rubber-sealed battery 24 is used for power supply of the motor 10.

[0019] The driven arm 12 is located on the upper side of the driving arm 11 and the piston rod 13, the driving arm 11 and the piston rod 13 are in the same horizontal plane, the driving arm 11 rotates, and the piston rod 13 is driven to reciprocate in the injection pipe 4 through the driven arm 12.

[0020] The right side of the injector body 1 is provided with clamps 25, the number of the clamps 25 is four, and the clamps 25 are convenient for placing external catheters.

[0021] The shell material of the injector body 1 is stainless steel.

[0022] The front and back sides of the injector body 1 are provided with pull handles 26, and the pull handles 26 are convenient for carrying the injector body 1.

[0023] The injection pipe 4 is provided with a one-way valve 27, and the one-way valve 27 ensures that the lubricating grease moves in one direction.

[0024] The utility model discloses when using, motor 10 operation drives the rotation of driving arm 11, through the driven arm 12 and joint bearing 22, can drive piston rod 13 reciprocating operation in oil injection pipe 4, produces the negative pressure, makes the lubricating grease stored in the inside of oil injection cylinder 2 enter into oil injection pipe 4 through inner chamber 5 and discharge in oil injection pipe 4 pipe orifice, can use the external catheter connection oil injection pipe 4 pipe orifice, realizes the accurate injection of lubricating grease, clamp 25 can be convenient for the fixation of catheter, oil injection cylinder 2 can be dismantled and connected through screw connection seat 3, and the oil injection cylinder 2 of anytime replacement is convenient, driving arm 11, driven arm 12, piston rod 13 are connected through bearing and pin shaft between, improve the transmission efficiency, increase the use efficiency of motor, the oiler structure is reasonable, and the volume is small, and it is convenient to carry, and the oil injection efficiency is high.

[0025] Of course, the above description is not limited to the above examples, the technical features not described in the utility model can be realized by or using prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not limited to the utility model, the preferred embodiments are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A portable grease gun comprising a gun body (1), characterised in that, The oil injector body (1) is provided with an oil injection cylinder (2) on the upper side, an connecting seat (3) and an oil injection pipe (4) on the right side, the oil injection pipe (4) is located on the lower side of the connecting seat (3), the connecting seat (3) is provided with an inner cavity (5) in the inside, the oil injection cylinder (2) and the oil injection pipe (4) are communicated with the inner cavity (5), the discharge port of the oil injection cylinder (2) and the inlet of the inner cavity (5) are connected through threads; the connecting seat (3) is provided with an exhaust valve (6) communicated with the inner cavity (5); the oil injector body (1) is divided into a power cavity (8) and a power supply cavity (9) by a partition (7) in the inside, the oil injection pipe (4) is communicated with the inside of the power cavity (8); the power cavity (8) is provided with an oil injection mechanism, the oil injection mechanism comprises a motor (10), a driving arm (11), a driven arm (12), a piston rod (13), a worm and gear assembly box (15), the worm and gear assembly box (15) is fixedly connected with the bottom of the power cavity (8) through a motor base (14), and the motor (10) is fixedly installed on the worm and gear assembly box (15); the worm and gear assembly box (15) comprises a worm (16) and a worm (17) which are meshed with each other in the inside; the output shaft of the motor (10) is fixedly connected with the worm (17), the two ends of the driven arm (12) are respectively provided with bearing one (18) and bearing two (19), one end of the driving arm (11) is provided with a connecting shaft (28), the other end of the driving arm (11) is provided with bearing three (20), and the connecting shaft (28) is connected with the inner wall of the worm and gear assembly box (15) through a supporting bearing; the worm (16) is located on the connecting shaft (28), and the bearing one (18) and the bearing three (20) are connected through a pin shaft one (21); the piston rod (13) can reciprocate in the oil injection pipe (4), one end of the piston rod (13) located in the power cavity (8) is provided with a joint bearing (22), the joint bearing (22) is connected with the bearing two (19) through a pin shaft two (23), and the power supply cavity (9) is provided with a rubber-sealed battery (24), and the rubber-sealed battery (24) is used for power supply of the motor (10).

2. The portable grease injector of claim 1, wherein, The driven arm (12) is located on the upper side of the driving arm (11) and the piston rod (13), and the driving arm (11) and the piston rod (13) are located in the same horizontal plane.

3. The portable grease injector of claim 1, wherein, The oil injector body (1) is provided with four clamps (25) on the right side.

4. The portable grease injector of claim 1, wherein, The shell material of the oil injector body (1) is stainless steel.

5. The portable grease injector of claim 1, wherein, The oil injector body (1) is provided with a pull handle (26) on the front and rear sides.

6. The portable grease injector of claim 1, wherein, The oil injection pipe (4) is provided with a one-way valve (27).

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