Portable electric grease gun

Abstract

The utility model relates to the technical field of auxiliary articles of mechanical equipment, in particular to a portable electric grease gun which comprises a handle, one side of the handle is fixedly connected with an outer wrapping shell, one side of the outer wrapping shell is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear, the gear is meshed with a rack, and the rack is fixedly connected with the handle. A rack is fixedly connected to one side of the outer wrapping shell, a plunger is fixedly connected to one side of the rack, a supporting sleeve frame is fixedly connected to one side of the outer wrapping shell, a gun barrel is fixedly connected to one side of the outer wrapping shell, a grease barrel is fixedly connected to one side of the gun barrel, a magnetic block is fixedly connected to one side of the gun barrel, and a telescopic barrel is fixedly connected to one side of the gun barrel. The grease filling device has the advantages that during filling, the telescopic cylinder is retracted into the gun cylinder and exposed out of the grease cylinder to suck materials, the telescopic cylinder is protected, the scraper moves at the front end of the telescopic cylinder to scrape grease adhered to the outer side of the grease cylinder after filling is finished, grease adhesion to the telescopic cylinder is avoided, and connection between the gun head and the telescopic cylinder is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment auxiliary products, in particular to a portable electric grease gun. Background Art

[0002] A grease gun is a manual tool for adding grease to mechanical equipment. It is widely used in lubrication occasions in the automotive, port, construction, machinery, electric power, chemical industry, engineering machinery, mining, automobile repair workshops, oil change centers, metallurgy, shipyards, bearings, power tools, papermaking and other industries. It has stable performance, fast grease injection, high oil output pressure and a wide range of applications. Due to the limited capacity of the grease bullet, it is necessary to frequently manually disassemble and assemble the grease bullet during lubrication operations. In addition, when assembling the grease bullet, grease remains on the barrel of the grease gun, and the surface is relatively smooth, which makes it inconvenient to install and disassemble the gun head, causing inconvenience to the actual operation.

[0003] In this regard, the utility model provides a portable electric grease gun to solve the problem. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the utility model is to provide a portable electric grease gun to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a portable electric grease gun, comprising a handle, one side of the handle is fixedly connected to an outer shell, one side of the outer shell is fixedly connected to a motor, the output end of the motor is fixedly connected to a gear, the gear is meshed with a rack, one side of the rack is fixedly connected to a plug, one side of the outer shell is fixedly connected to a support sleeve, one side of the outer shell is fixedly connected to a gun barrel, one side of the gun barrel is fixedly connected to a grease barrel, one side of the gun barrel is fixedly connected to a magnetic block, one side of the gun barrel is fixedly connected to a telescopic barrel, one side of the telescopic barrel is threadedly connected to a gun head, one side of the telescopic barrel is overlapped with a scraper, one side of the scraper is fixedly connected to a magnetic sheet, and one side of the handle is fixedly connected to a switch button.

[0007] Preferably, any of the above schemes is that a first through hole is opened on one side of the support sleeve, the inner surface of the first through hole is matched with the outer surface of the rack, and the rack is slidably connected to the inside of the first through hole.

[0008] Preferably, any of the above schemes is that a second through hole is opened on one side of the outer shell, the inner surface of the second through hole is matched with the outer surface of the rack, and the rack is slidably connected to the inside of the second through hole.

[0009] The technical effect achieved by adopting the above solution is: the rack is supported by the supporting sleeve.

[0010] Preferably, any of the above schemes is that a first groove is formed on one side of the support sleeve, the inner diameter of the first groove is larger than the outer diameter of the gear, and one side of the gear is rotatably connected to the inside of the first groove.

[0011] Preferably, any of the above schemes is that a second groove is formed on one side of the outer shell, an inner surface of the second groove is matched with an outer surface of one side of the support sleeve, and one side of the support sleeve is fixedly connected to the inside of the second groove.

[0012] Preferably, in any of the above schemes, the outer diameter of the plug is matched with the inner diameter of the grease cylinder, and the plug is slidably connected to the inner side of the grease cylinder.

[0013] The technical effect achieved by adopting the above scheme is that the rack is driven to move by the rotation of the gear, so that the plug pushes the butter to move in the grease cylinder.

[0014] Preferably, in any of the above schemes, the outer surface of one side of the gun head is matched with the inner surface of the telescopic tube, and one side of the gun head is threadedly connected to the inner side of the telescopic tube.

[0015] Preferably, any of the above schemes is that a third groove is opened on one side of the gun barrel, the inner surface of the third groove is matched with the outer surface of the telescopic tube, and the telescopic tube is slidably connected to the inside of the third groove.

[0016] The technical effect achieved by adopting the above scheme is: by receiving the telescopic tube into the gun barrel, the telescopic tube is protected and butter is prevented from being adhered to the telescopic tube.

[0017] Preferably, any of the above schemes is that a fourth groove is formed on one side of the scraper, the inner surface of the fourth groove is matched with the outer surface of one side of the magnetic sheet, and the magnetic sheet is fixedly connected to the inside of the fourth groove.

[0018] Preferably, in any of the above schemes, the inner diameter of the scraper is matched with the outer diameter of the grease cylinder, and one side of the scraper is slidably connected to the outer side of the grease cylinder.

[0019] The technical effect achieved by adopting the above scheme is: the butter adhering to the outer side of the grease cylinder is scraped off by the scraper, thereby protecting the telescopic cylinder from being adhered to the butter during the forward movement.

[0020] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0021] During filling, the telescopic tube is retracted into the gun barrel to expose the grease tube for suction, thereby protecting the telescopic tube. After filling, the scraper moves at the front end of the telescopic tube to scrape off the butter adhered to the outside of the grease tube, thereby avoiding the telescopic tube from adhering to the butter and facilitating the connection between the gun head and the telescopic tube.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 It is a schematic diagram of the overall structure according to an embodiment of the utility model;

[0025] Figure 2 It is a schematic cross-sectional view of a gun barrel structure according to an embodiment of the utility model;

[0026] Figure 3 It is a schematic diagram of the scraper connection structure according to an embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the internal structure of the outer shell according to an embodiment of the utility model;

[0028] Figure 5 Schematic diagram of the gear connection structure according to an embodiment of the utility model.

[0029] In the figure: 1-handle, 2-outer shell, 3-motor, 4-gear, 5-rack, 6-plug, 7-support sleeve, 8-gun barrel, 9-grease cylinder, 10-magnetic block, 11-telescopic cylinder, 12-gun head, 13-scraper, 14-magnetic sheet, 15-button switch. DETAILED DESCRIPTION

[0030] like Figures 1 to 5As shown, a portable electric grease gun comprises a handle 1, one side of the handle 1 is fixedly connected to an outer shell 2, a power source is arranged inside the handle 1 to supply power to a motor 3, one side of the outer shell 2 is fixedly connected to the motor 3, an output end of the motor 3 is fixedly connected to a gear 4, a rack 5 is meshed with the gear 4, a plug 6 is fixedly connected to one side of the rack 5, a support sleeve 7 is fixedly connected to one side of the outer shell 2, a gun barrel 8 is fixedly connected to one side of the outer shell 2, a grease barrel 9 is fixedly connected to one side of the gun barrel 8, and the gun barrel 8 is fixedly connected to one side of the grease barrel 9. A magnetic block 10 is fixedly connected to one side of 7, a telescopic tube 11 is fixedly connected to one side of the gun barrel 8, the telescopic tube 11 is made of iron as a whole or an iron ring is provided at the front end to attract the magnetic sheet 14, a gun head 12 is threadedly connected to one side of the telescopic tube 11, a scraper 13 is overlapped on one side of the telescopic tube 11, and a magnetic sheet 14 is fixedly connected to one side of the scraper 13, a switch button 15 is fixedly connected to one side of the handle 1, the switch button 15 is electrically connected to the motor 3, and the upper and lower ends of the switch button 15 respectively control the forward and reverse rotation of the motor 3.

[0031] A first through hole is formed on one side of the support sleeve 7 , the inner surface of the first through hole is matched with the outer surface of the rack 5 , and the rack 5 is slidably connected to the inside of the first through hole.

[0032] A second through hole is opened on one side of the outer shell 2, the inner surface of the second through hole is matched with the outer surface of the rack 5, and the rack 5 is slidably connected to the inside of the second through hole.

[0033] A first groove is provided on one side of the support sleeve 7, the inner diameter of the first groove is larger than the outer diameter of the gear 4, and one side of the gear 4 is rotatably connected to the inside of the first groove. When in use, the handle 1 is held tightly and the switch button 15 is pressed to cause the motor 3 to drive the gear 4 to rotate.

[0034] A second groove is formed on one side of the outer shell 2 , and the inner surface of the second groove matches the outer surface of one side of the support sleeve 7 , and one side of the support sleeve 7 is fixedly connected to the inside of the second groove.

[0035] The outer diameter of the plug 6 is matched with the inner diameter of the grease cylinder 9. The plug 6 is slidably connected to the inner side of the grease cylinder 9. The gear 4 is meshed with the rack 5 so that the rack 5 pushes the plug 6 forward, thereby squeezing the butter in the grease cylinder 9 out of the gun head 12.

[0036] The outer surface of one side of the gun head 12 is matched with the inner surface of the telescopic tube 11 , and one side of the gun head 12 is threadedly connected to the inner side of the telescopic tube 11 .

[0037] A third groove is provided on one side of the gun barrel 8, and the inner surface of the third groove is matched with the outer surface of the telescopic tube 11. The telescopic tube 11 is slidably connected inside the third groove. After the butter in the grease tube 9 is used up, the gun head 12 is removed and the scraper 13 and the telescopic tube 11 are attracted and fixed by the magnetic sheet 14. The magnetic sheet 14 and the magnetic block 10 are attracted to each other, so that the telescopic tube 11 is in the gun barrel 8 and the front end of the grease tube 9 is exposed.

[0038] A fourth groove is provided on one side of the scraper 13, and the inner surface of the fourth groove is matched with the outer surface of one side of the magnetic sheet 14. The magnetic sheet 14 is fixedly connected to the inside of the fourth groove. The front end of the grease cylinder 9 is immersed in the butter barrel, and a sealed space is formed in the grease cylinder 9. The switch button 15 is pressed to control the motor 3 to reverse, so that the gear 4 drives the rack 5 and the plug 6 to move backward, so that negative pressure is generated in the grease cylinder 9, and the butter in the butter barrel is sucked into the grease cylinder 9 to realize the filling operation.

[0039] The inner diameter of the scraper 13 is matched with the outer diameter of the grease cylinder 9. One side of the scraper 13 is slidably connected to the outer side of the grease cylinder 9. The scraper 13 is then rotated to disconnect the connection between the scraper 13 and the gun barrel 8, pushing the scraper 13 forward to drive the telescopic cylinder 11 forward. During the forward movement of the scraper 13, the butter adhered to the outer side of the grease cylinder 9 is scraped off, thereby ensuring that the front end of the telescopic cylinder 11 is clean and facilitating the connection between the telescopic cylinder 11 and the gun head 12.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] During filling, the telescopic cylinder 11 is retracted into the gun barrel 8 to expose the grease cylinder 9 for suction, thereby protecting the telescopic cylinder 11. After the filling is completed, the scraper 13 moves at the front end of the telescopic cylinder 11 to scrape off the butter adhered to the outside of the grease cylinder 9, thereby avoiding the telescopic cylinder 11 from adhering to the butter, and facilitating the connection between the gun head 12 and the telescopic cylinder 11.

Claims

1. A portable electric grease gun, characterized by: The invention comprises a handle (1), one side of the handle (1) is fixedly connected to an outer shell (2), one side of the outer shell (2) is fixedly connected to a motor (3), an output end of the motor (3) is fixedly connected to a gear (4), the gear (4) is meshed with a rack (5), one side of the rack (5) is fixedly connected to a plunger (6), one side of the outer shell (2) is fixedly connected to a support sleeve (7), one side of the outer shell (2) is fixedly connected to a gun barrel (8), and the A grease cylinder (9) is fixedly connected to one side of the gun barrel (8), a magnetic block (10) is fixedly connected to one side of the gun barrel (8), a telescopic cylinder (11) is fixedly connected to one side of the gun barrel (8), a gun head (12) is threadedly connected to one side of the telescopic cylinder (11), a scraper (13) is overlapped on one side of the telescopic cylinder (11), a magnetic sheet (14) is fixedly connected to one side of the scraper (13), and a switch button (15) is fixedly connected to one side of the handle (1).

2. A portable electric grease gun according to claim 1, characterized in that: A first through hole is provided on one side of the support sleeve (7), the inner surface of the first through hole is matched with the outer surface of the rack (5), and the rack (5) is slidably connected to the inside of the first through hole.

3. A portable electric grease gun according to claim 2, characterized in that: A second through hole is provided on one side of the outer shell (2), the inner surface of the second through hole is matched with the outer surface of the rack (5), and the rack (5) is slidably connected to the inside of the second through hole.

4. A portable electric grease gun according to claim 3, characterized in that: A first groove is provided on one side of the support sleeve (7), the inner diameter of the first groove is larger than the outer diameter of the gear (4), and one side of the gear (4) is rotatably connected to the inside of the first groove.

5. A portable electric grease gun according to claim 4, characterized in that: A second groove is provided on one side of the outer shell (2), the inner surface of the second groove is matched with the outer surface of one side of the support sleeve (7), and one side of the support sleeve (7) is fixedly connected to the inside of the second groove.

6. A portable electric grease gun according to claim 5, characterized in that: The outer diameter of the plug (6) is matched with the inner diameter of the grease cylinder (9), and the plug (6) is slidably connected to the inner side of the grease cylinder (9).

7. A portable electric grease gun according to claim 6, characterized in that: The outer surface of one side of the gun head (12) is matched with the inner surface of the telescopic tube (11), and one side of the gun head (12) is threadedly connected to the inner side of the telescopic tube (11).

8. The portable electric grease gun according to claim 7, characterized in that: A third groove is formed on one side of the gun barrel (8), the inner surface of the third groove is matched with the outer surface of the telescopic cylinder (11), and the telescopic cylinder (11) is slidably connected to the inside of the third groove.

9. A portable electric grease gun according to claim 8, characterized in that: A fourth groove is provided on one side of the scraper (13), the inner surface of the fourth groove is matched with the outer surface of one side of the magnetic sheet (14), and the magnetic sheet (14) is fixedly connected inside the fourth groove.

10. A portable electric grease gun according to claim 9, characterized in that: The inner diameter of the scraper (13) is matched with the outer diameter of the grease barrel (9), and one side of the scraper (13) is slidably connected to the outer side of the grease barrel (9).

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