CN216431198U

CN216431198U - Lithium battery grease gun

Info

Publication number: CN216431198U
Application number: CN202122723119.XU
Authority: CN
Inventors: 施凌斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-03
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to a grease gun technical field specifically is lithium electricity grease gun, including grease gun shell, butter reserve tube is located the top of grease gun shell, the inside left side of grease gun shell is provided with the butter pump body, and the butter pump body communicates with butter reserve tube, including the cylinder liner that high carbon alloy steel made and the plunger that high carbon alloy steel made in the butter pump body, the cylinder liner inlays and locates the upper portion passageway of the butter pump body, the plunger head penetrates the cylinder liner and the lower part penetrates the lower part passageway of the butter pump body; the top of the cylinder sleeve is provided with a blocking sleeve, and the top of the blocking sleeve is provided with a plug. The lithium battery grease gun solves the problems of low hardness, quick abrasion and short service life of aluminum alloy by adopting a method of embedding the cylinder sleeve, and simultaneously, the cylinder sleeve and the plunger are made of high-carbon alloy steel, so that the service life is further prolonged.

Description

Lithium battery grease gun

Technical Field

The utility model relates to a grease gun technical field specifically is lithium electricity grease gun.

Background

The grease gun is a manual tool for filling lubricating grease into mechanical equipment, an iron gun rod or a hose oil filling nozzle can be selected and installed, the iron gun rod can be used in a place where the oil filling position is convenient to be located in a spacious space, the oil filling position is hidden, and the place where a corner is wiped needs to be filled with oil by using a hose;

in current grease gun production technology, because the inside protection setting to the pump body that lacks of grease gun for pump body life is not high, and builds wearing and tearing great with inside, leads to extremely easy damage, and traditional grease gun adopts mostly to have the brush motor to make, and the carbon brush damages the unable use of grease gun after long-time the use, awaits improving.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above insufficiency, the utility model provides a lithium electricity grease gun.

The technical scheme of the utility model is that:

the lithium battery grease gun comprises a grease gun shell and a grease storage cylinder, wherein the grease storage cylinder is positioned at the top of the grease gun shell, a grease pump body is arranged on the left side inside the grease gun shell and is communicated with the grease storage cylinder, a cylinder sleeve made of high-carbon alloy steel and a plunger made of high-carbon alloy steel are arranged in the grease pump body, the cylinder sleeve is embedded in an upper passage of the grease pump body, and the head of the plunger penetrates through the cylinder sleeve and the lower part of the plunger penetrates through a lower passage of the grease pump body; the top of the cylinder sleeve is provided with a baffle sleeve, and the top of the baffle sleeve is provided with a plug.

As a preferred technical scheme, a brushless motor is installed at the bottom side of the interior of the grease gun shell, the brushless motor is located at the right side of the interior of the grease gun shell, the brushless motor is installed at the bottom side of the interior of the grease gun shell, and the brushless motor is located at the right side of the interior of the grease gun shell; a rotating body is embedded in a cavity on the left side below the butter pump body, the rotating body drives an eccentric block to rotate along the axis of the rotating body, and the eccentric block is used for driving a plunger to move up and down; the brushless motor drives the rotating body to rotate through the transmission mechanism.

As the preferred technical scheme, the left side of the butter pump body is provided with the clamp plate, the left side position at the rotor is established to the clamp plate, the clamp plate is used for avoiding eccentric block, plunger to break away from the butter pump body.

Preferably, a control switch is arranged on the outer surface of the grease gun shell.

As a preferred technical scheme, a soft rubber cushion is arranged at the joint of the butter storage cylinder and the butter pump body, a piston capable of sliding in the butter storage cylinder is arranged in the butter storage cylinder, and a sealing ring is arranged between the piston and the inner wall of the butter storage cylinder; the grease storage cylinder is internally provided with a pressure spring, and the pressure spring is used for applying force towards the grease pump body to the piston.

As preferred technical scheme, the inside of butter storage cylinder is equipped with the chain, and the left side of chain passes through the rivet and is connected with the piston, and the right side of chain is connected with the handle.

As a preferred technical scheme, a rotating body is embedded in a cavity on the left side below a grease pump body, the rotating body drives an eccentric block to rotate along the axis of the rotating body, and the eccentric block is used for driving a plunger to move up and down; wear-resisting steel sheets used for reducing the abrasion of the inner wall of the cavity are placed on the wall body of the cavity.

As a preferred technical scheme, an oil pipe joint is arranged on the left side of the top of the grease gun shell, a spring is arranged inside the oil pipe joint, and a steel ball is arranged on the right side inside the oil pipe joint; the spring pushes the steel ball to abut against the side opening; the gear sleeve is provided with a plurality of oil discharge ports, and the oil discharge ports are communicated with the oil pipe joints through side ports.

As the preferred technical scheme, an O-shaped sealing ring is arranged between the cylinder sleeve and an upper channel of the butter pump body; and an exhaust valve positioning groove is arranged in the middle of the cylinder sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the lithium battery grease gun solves the problems of low hardness, quick abrasion and short service life of aluminum alloy by adopting a method of embedding the cylinder sleeve through the grease pump body arranged in the gun body, and the cylinder sleeve and the plunger are made of high-carbon alloy steel, so that the service life is further prolonged. Meanwhile, the grease gun is driven by a brushless motor without a brush motor, the service life and the endurance time of the motor are greatly prolonged, and the problem that the service life of a pump body is short due to the fact that the grease gun is lack of protection setting for the pump body in the existing grease gun production technology is solved, and the grease gun is easy to damage due to the fact that the grease gun is abraded greatly by internal components.

Drawings

FIG. 1 is a schematic structural view of the internal components of the grease gun of the present invention;

FIG. 2 is a schematic view of the structure at the position A of the present invention;

FIG. 3 is a schematic structural view of the internal component of the casing of the grease gun of the present invention;

fig. 4 is a schematic structural diagram of the cylinder liner assembly of the present invention.

Fig. 5 is a schematic structural view of the oil cylinder assembly of the present invention.

Fig. 6 is a sectional view of the grease pump body of the present invention.

Fig. 7 and 8 are cross-sectional views of the grease pump body according to other embodiments of the present invention along the section B-B in fig. 6.

Fig. 9 is a cross-sectional view of a piston and a grease reservoir according to another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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

Referring to fig. 1-5, the present invention provides a technical solution:

lithium electricity grease gun, including grease gun casing 1, butter storage cylinder 4 is located the top of grease gun casing 1, and the inside left side of grease gun casing 1 is provided with the grease pump body 2. The butter pump body 2 is communicated with the butter storage cylinder 4. The grease pump body 2 includes a cylinder sleeve 20 made of high carbon alloy steel and a plunger 200 made of high carbon alloy steel. The cylinder sleeve 20 is embedded in an upper channel of the butter pump body 2, and the cylinder sleeve 20 is also communicated with the butter storage cylinder 4. While the plunger 200 penetrates the cylinder liner 20 at the head and penetrates the lower passage of the grease pump body 2 at the lower part. The top of the cylinder sleeve 20 is provided with a baffle sleeve 21, and the top of the baffle sleeve 21 is provided with a plug 22. When the plunger 200 in the grease pump body 2 does piston motion in the grease pump body 2, the embedded cylinder sleeve 20 bears abrasion, thereby effectively reducing the abrasion to the inner wall of the grease pump body 2 and prolonging the whole service life of the grease gun.

It should be noted that the grease storage cylinder 4 should be made of transparent plastic material, which is convenient for the operator to observe the remaining condition of the grease inside.

It is worth to say that the grease pump body 2 is protected by embedding the cylinder sleeve 20, and the service life of the grease gun is prolonged.

It is worth noting that the cylinder sleeve 20 and the plunger 200 are both made of high-quality high-carbon alloy steel, the hardness of the high-carbon alloy steel is HRC58-63 degrees, compared with the traditional aluminum alloy material, the high-carbon alloy steel is high in hardness and relatively wear-resistant, and the service life of the grease gun is greatly prolonged. An O-shaped sealing ring 34 is arranged between the cylinder sleeve 20 and the upper channel of the butter pump body 2. And an exhaust valve positioning groove 25 is provided in the middle of the cylinder liner 20.

It should be added that the inner bottom side of the grease gun housing 1 is installed with the brushless motor 5, and the brushless motor 5 is located at the inner right side of the grease gun housing 1. A rotor 24 is embedded in a cavity 26 on the left side below the butter pump body 2, the rotor 24 drives an eccentric block 23 to rotate along the axis of the rotor 24, and the eccentric block 23 is used for driving the plunger 200 to move up and down. The brushless motor 5 rotates the rotor 24 through the transmission mechanism 50. The transmission structure 50 for driving the rotor 24 to rotate by the brushless motor 5 is conventional (other prior art can be referred to specifically), and is not an innovation of the present invention, and will not be described herein again.

It is worth to say that the grease gun is driven by the brushless motor 5, so that the service life and the endurance time of the motor are greatly prolonged. And the brush motor is provided with a carbon brush, so that the whole grease gun cannot be used after the carbon brush is damaged.

Preferably, in the present embodiment, a pressing plate 6 is provided on the left side of the grease pump body 2, the pressing plate 6 is provided at the left side position of the rotating body 24, and the pressing plate 6 is used to prevent the eccentric mass 23 and the plunger 200 from being detached from the grease pump body 2.

Preferably, the grease gun housing 1 is provided with a control switch 7 on the outer surface thereof, and the grease gun can be driven by an operator by actuating the control switch 7.

In the present embodiment, a soft rubber pad 40 is preferably provided at the joint between the butter storage cylinder 4 and the butter pump body 2. A piston 401 capable of sliding in the grease storage cylinder 4 is arranged in the grease storage cylinder 4, and a sealing ring is arranged between the piston 401 and the inner wall of the grease storage cylinder 4. A compression spring 44 is also arranged inside the grease reservoir 4, and the compression spring 44 is used for applying a force to the piston 401 towards the grease pump body 2. When grease is stored in the grease reservoir 4, the piston 401 presses the grease against the cylinder liner 20 and the stopper sleeve 21 in the grease pump body 2 under the force of the compression spring 44.

Preferably, in this embodiment, a chain 43 is provided inside the grease reservoir 4, the left side of the chain 43 is connected to the piston 401 by a rivet 42, and the right side of the chain 43 is connected to the handle 41.

Preferably, the handle 41 is fixedly connected to an inner hexagonal head 412, and the inner hexagonal head 412 fixes the magnetic steel 411 and the protective cover 410 to the left side of the handle 41. The socket 412 is connected to the chain 43 by a resilient pin 413. The magnetic steel 411 is used to fix the handle 41 to the rear cover 414 through magnetic attraction, and the rear cover 414 needs to be made of iron.

It is worth to be noted that the oil pipe joint 3 is arranged on the left side of the top of the grease pump body 2. The inside of the oil pipe joint 3 is provided with a spring 30, the right side of the inside of the oil pipe joint 3 is provided with a steel ball 31, and the spring 30 is used for pushing the steel ball 31 to abut against a side opening 33. The retainer 21 is provided with a plurality of oil discharge ports 211, and the oil discharge ports 211 communicate with the oil pipe joints 3 through the side ports 33.

Preferably, in the present embodiment, a plunger 200 is disposed at the bottom side of the grease pump body 2, the brushless motor 5 drives the rotating body 24 and the eccentric block 23 to rotate through the transmission mechanism 50 by driving the grease pump body 2 by the brushless motor 5, and finally the plunger 200 is driven by the eccentric block 23 to move up and down inside the grease pump body 2, so that the grease stored inside the grease storage cylinder 4 is discharged through the oil pipe joint 3.

The utility model discloses a lithium electricity grease gun is when using, and operating personnel starts brushless motor 5 that the inside was equipped with of grease gun through control switch 7 and uses, and the grease pump body 2 drives plunger 200 at the inside up-and-down motion of grease pump body 2 through drive mechanism 50, rotor 24, eccentric block 23 through brushless motor 5's drive, promotes the lubricating grease in the cylinder liner 20 and discharges from shelves cover 21, oil pipe joint 3. Before this, an operator needs to connect an oil transportation device such as an oil injection pipe with the oil pipe joint 3, so that the grease can be driven by a grease gun to be discharged through the oil pipe joint 3, and the grease stored in the grease storage cylinder 4 can be discharged through an opening of the oil pipe joint 3. Brushless motor 5 that is equipped with simultaneously need not operating personnel at the during operation and frequently changes the carbon brush for the duration of internal battery is longer, when carrying out the work of producing oil, the butter is carried to oil pipe joint 3's inside through the butter pump body 1, the cylinder liner 20 that is equipped with inlays in the outside of the butter pump body 2, when piston motion is done in the inside of the butter pump body 2 at the inside of the butter pump body 2 to the inside plunger 200 of the butter pump body 2, inlay the cylinder liner 20 that sets up and can effectively reduce the butter pump body 2 and produce wearing and tearing in the inside of butter gun casing 1, the life of butter gun has been prolonged. And the cylinder sleeve 20 and the plunger 200 arranged in the pump body 2 are both made of high-quality high-carbon alloy steel, so that the hardness is high, the wear resistance is high, and the service life is long.

In the above embodiment, as shown in fig. 1, 3 and 6, a rotor 24 is embedded in a cavity 26 on the left side below the grease pump body 2, the rotor 24 drives an eccentric block 23, and when the rotor 24 rotates, the eccentric block 23 is used for driving the plunger 200 to move up and down. The transmission structure for driving the rotor 24 to rotate by the brushless motor 5 is conventional (other prior art can be specifically referred to), and is not an innovation of the present invention, and is not described herein again. In other embodiments, the lower part of the grease pump body 2 can be modified to improve the service life. In other embodiments, as shown in the cross-sectional view of fig. 7, two wear-resistant steel sheets 27 may be placed on the wall of the cavity 26 for placing the rotating body below the grease pump body 2 to reduce the wear on the inner wall of the cavity 26 of the grease pump body 2. Or as shown in the cross-sectional state of fig. 8, an annular integrated wear-resistant steel sheet 28 may be placed on the wall body of the cavity 26 at the lower part of the grease pump body 2 to reduce the wear on the inner wall of the cavity 26 of the grease pump body 2, thereby prolonging the service life.

In other embodiments, the piston 401 may be modified. The outer wall of the piston 401 in the above-described embodiment is straight (except for the ring on which the seal ring is placed), and relatively large resistance is generated when the piston 401 moves to the right, especially when the piston 401 is pulled to the right by the pull handle 41. Thus, in other embodiments, a piston 401 structure as shown in fig. 9 may be adopted, such that the piston 401 fixes a collar 402 towards one end of the grease pump body 2, the outer diameter of the collar 402 is larger than that of the piston 401, and the outer wall of the collar 402 is attached to the grease storage cylinder 4, so that the resistance can be reduced when the piston 401 is pulled rightwards by the pull handle 41, and the use is facilitated.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Lithium electricity grease gun, including grease gun shell (1), butter storage cylinder (4), its characterized in that: the grease storage cylinder (4) is located at the top of the grease gun shell (1), a grease pump body (2) is arranged on the left side inside the grease gun shell (1), the grease pump body (2) is communicated with the grease storage cylinder (4), a cylinder sleeve (20) made of high-carbon alloy steel and a plunger (200) made of high-carbon alloy steel are arranged in the grease pump body (2), the cylinder sleeve (20) is embedded in an upper channel of the grease pump body (2), the head of the plunger (200) penetrates through the cylinder sleeve (20) and the lower part of the plunger penetrates through a lower channel of the grease pump body (2); the top of the cylinder sleeve (20) is provided with a baffle sleeve (21), and the top of the baffle sleeve (21) is provided with a plug (22).

2. The lithium grease gun of claim 1, wherein: a brushless motor (5) is mounted on the bottom side of the interior of the grease gun shell (1), and the brushless motor (5) is located on the right side of the interior of the grease gun shell (1); a rotating body (24) is embedded in a cavity (26) on the left side below the butter pump body (2), the rotating body (24) drives an eccentric block (23) to rotate along the axis of the rotating body (24), and the eccentric block (23) is used for driving a plunger (200) to move up and down; the brushless motor (5) drives the rotating body (24) to rotate through the transmission mechanism (50).

3. The lithium grease gun of claim 2, wherein: wear-resistant steel sheets (27, 28) for reducing the abrasion of the inner wall of the cavity (26) are placed on the wall body of the cavity (26).

4. The lithium grease gun of claim 2, wherein: the left side of the butter pump body (2) is provided with a pressing plate (6), the left side position at rotor (24) is established in pressing plate (6), pressing plate (6) are used for avoiding eccentric block (23), plunger (200) to break away from the butter pump body (2).

5. The lithium grease gun of claim 1, wherein: the external surface of the grease gun shell (1) is provided with a control switch (7).

6. The lithium grease gun of claim 1, wherein: a soft rubber cushion (40) is arranged at the joint of the butter storage cylinder (4) and the butter pump body (2), a piston (401) capable of sliding in the butter storage cylinder (4) is arranged in the butter storage cylinder (4), a sealing ring is arranged between the piston (401) and the inner wall of the butter storage cylinder (4), a chain (43) is arranged in the butter storage cylinder (4), and a rivet (42) is arranged at the joint of the left side of the chain (43) and the piston (401); the grease storage cylinder (4) is internally provided with a pressure spring (44), and the pressure spring (44) is used for applying a force towards the grease pump body (2) to the piston (401).

7. The lithium grease gun of claim 6, wherein: the interior of the butter storage cylinder (4) is provided with a chain (43), the left side of the chain (43) is connected with the piston (401) through a rivet (42), and the right side of the chain (43) is connected with a handle (41).

8. The lithium grease gun of claim 6, wherein: the piston (401) is towards a fixed lantern ring (402) of butter pump body (2) one end, lantern ring (402) external diameter is greater than piston (401) external diameter, lantern ring (402) outer wall and butter storage cylinder (4) laminating.

9. A lithium grease gun according to claim 1, characterized in that: an oil pipe joint (3) is arranged on the left side of the top of the grease gun shell (1), a spring (30) is arranged inside the oil pipe joint (3), and a steel ball (31) is arranged on the right side inside the oil pipe joint (3); the spring (30) pushes the steel ball (31) to abut against the side opening (33); the gear sleeve (21) is provided with a plurality of oil discharge ports (211), and the oil discharge ports (211) are communicated with the oil pipe joint (3) through side ports (33).

10. A lithium grease gun according to claim 1, characterized in that: an O-shaped sealing ring (34) is arranged between the cylinder sleeve (20) and an upper channel of the grease pump body (2); and an exhaust valve positioning groove (25) is arranged in the middle of the cylinder sleeve (20).