Safety chain saw for oil pump

Abstract

The utility model relates to the technical field of chain saws, and discloses a safety type chain saw for an oil pump, which comprises a shell, a mounting groove is arranged on the outer side of the shell, two cavities are arranged in the shell, a lock rod is slidably connected to a through hole on the inner wall of each cavity, a fixing ring is fixedly connected to the outer side of each lock rod, and a locking ring is arranged on the outer side of each fixing ring. A pull ring is fixedly connected to one end of the lock rod, the lock rod is sleeved with a spring, a mounting plate is slidably connected to the inner side of the mounting groove, clamping grooves are formed in the two sides of the outer portion of the mounting plate, and two limiting blocks are fixedly connected to the outer side of the shell. The two pull rings are pulled at the same time to drive the lock rod to move, when one end of the lock rod is pulled out of the interior of the clamping groove, the clamping state is relieved, the installation plate is not limited, and therefore the installation plate can be easily pulled out of the interior of the installation groove, and compared with traditional bolt fixing, dismounting is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of chain saws, in particular to a safety chain saw for an oil pump. Background Art

[0002] An oil pump chainsaw is a chainsaw with an automatic oil pumping function to oil the guide bar and saw chain. Automatic oil pumping can ensure sufficient lubrication to improve cutting efficiency, extend service life and is easy to operate. An oil pump chainsaw is equipped with an oil pump that can automatically and continuously deliver oil to the guide bar and saw chain to achieve good lubrication effect, reduce friction and wear, make the sawing process smoother, and also help extend the service life of the saw chain and guide bar. Ordinary chainsaws generally do not have such an automatic oil pump, and may be relatively dependent on manual oil addition or the lubrication method is not perfect in terms of lubrication. Insufficient lubrication may occur during long-term use, affecting the use effect and component life.

[0003] When using an oil pump chain saw, it is necessary to follow safe operating procedures and wear protective equipment. It is also necessary to check the engine oil, perform maintenance and operate safely. However, the outer shell of the oil pump chain saw in the prior art is usually fastened with bolts. When it needs to be disassembled and repaired, other tools are needed to assist, which is rather troublesome. Therefore, the technology in the field proposes a safety chain saw for an oil pump to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a safety chain saw for an oil pump, aiming to improve the problem that the shell of the oil pump chain saw in the prior art is usually fastened with bolts, and other tools are needed to assist when disassembling and repairing, which is quite troublesome.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety chain saw for an oil pump, comprising a shell, an outer side of the shell is provided with a mounting groove, the inner side of the shell is provided with two cavities, a locking rod is slidably connected to the inner wall through hole of the cavity, a fixing ring is fixedly connected to the outer side of the locking rod, a pull ring is fixedly connected to one end of the locking rod, a spring is sleeved on the outer side of the locking rod, a mounting plate is slidably connected to the inner side of the mounting groove, both sides of the outer side of the mounting plate are provided with card slots, two limit blocks are fixedly connected to the outer side of the shell, and a protective component is provided at the bottom of the shell.

[0006] Furthermore, the protection assembly includes a fixing block, the top of which is fixedly connected to the bottom of the housing.

[0007] Furthermore, a protective plate is rotatably connected to the outer side of the fixed block, and a magnetic block is fixedly connected to the bottom of the shell.

[0008] Furthermore, the bottom of the magnetic block is attracted to the top of the protective plate.

[0009] Furthermore, one end of the spring is fixedly connected to the inner wall of the cavity, and the other end of the spring is fixedly connected to the outer side of the fixing ring.

[0010] Furthermore, the other end of the locking rod is engaged with the inside of the mounting plate, and the outer side of the mounting plate is slidably connected to the outer side of the limiting block.

[0011] Furthermore, a handle 1 is fixedly connected to the top of the shell, and a handle 2 is fixedly connected to the outer side of the shell.

[0012] Furthermore, a chain saw is installed on the outer side of the shell.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by pulling two pull rings at the same time, the lock rod is driven to move. When one end of the lock rod is pulled out from the inside of the card slot, the engagement state is released and the mounting plate is no longer restricted. In this way, the mounting plate can be easily pulled out from the inside of the mounting slot. Compared with traditional bolt fixing, it is more convenient to disassemble.

[0015] 2. In the utility model, by rotating the protective plate, the protective plate is separated from the magnetic block under the action of force, and then the protective plate is released. Under the action of gravity, the protective plate will fall vertically downward to block the chain saw and protect the user's legs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a safety chain saw for an oil pump proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a mounting plate of a safety chain saw for an oil pump proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a protective plate for a safety chain saw for an oil pump proposed by the utility model;

[0019] Figure 4 The utility model is a cross-sectional view of the outer shell of a safety chain saw for an oil pump.

[0020] Legend:

[0021] 1. Housing; 2. Mounting slot; 3. Cavity; 4. Locking rod; 5. Fixing ring; 6. Spring; 7. Pull ring; 8. Mounting plate; 9. Slot; 10. Limit block; 11. Fixing block; 12. Protective plate; 13. Magnetic block; 14. Handle one; 15. Handle two; 16. Chain saw. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 3 The utility model provides an embodiment of a safety chain saw for an oil pump, comprising a shell 1, a mounting groove 2 is provided on the outer side of the shell 1, two cavities 3 are provided inside the shell 1, a locking rod 4 is slidably connected to the inner wall through hole of the cavity 3, a fixing ring 5 is fixedly connected to the outer side of the locking rod 4, a pull ring 7 is fixedly connected to one end of the locking rod 4, a spring 6 is sleeved on the outer side of the locking rod 4, a mounting plate 8 is slidably connected to the inner side of the mounting groove 2, and a card slot 9 is provided on both sides of the outer side of the mounting plate 8, two limit blocks 10 are fixedly connected to the outer side of the shell 1, and a protective component is provided at the bottom of the shell 1, and the two pull rings 7 can be pulled at the same time to make the locking rod 4 move, and the elastic force of the spring 6 can make the locking rod 4 quickly reset, and when one end of the locking rod 4 is pulled out from the inside of the card slot 9, the fixing of the mounting plate 8 is released, so that the mounting plate 8 can be easily drawn out from the inside of the mounting groove 2, which is more convenient when disassembling than the traditional bolt fixing.

[0024] Reference Figure 2-Figure 4 The protective component includes a fixed block 11, the top of the fixed block 11 is fixedly connected to the bottom of the shell 1, the outer side of the fixed block 11 is rotatably connected to a protective plate 12, the bottom of the shell 1 is fixedly connected to a magnetic block 13, the bottom of the magnetic block 13 is attracted to the top of the protective plate 12, and the end of the protective plate 12 is made of iron material, which is convenient for being sucked by the magnetic block 13. Under normal conditions, the protective plate 12 can be easily stored. When in use, the protective plate 12 can be rotated to separate the protective plate 12 from the magnetic block 13. Under the action of gravity, the protective plate 12 will be vertically downward, which can protect the user's legs.

[0025] Reference Figure 1-Figure 3 One end of the spring 6 is fixedly connected to the inner wall of the cavity 3, the other end of the spring 6 is fixedly connected to the outer side of the fixing ring 5, the other end of the locking rod 4 is engaged in the inside of the mounting plate 8, the outer side of the mounting plate 8 is slidably connected to the outer side of the limit block 10, a handle 14 is fixedly connected to the top of the shell 1, a handle 2 15 is fixedly connected to the outer side of the shell 1, and a chain saw 16 is installed on the outer side of the shell 1. The handle 14 and the handle 2 15 are convenient for the user to hold, and the chain saw 16 is an important and necessary part.

[0026] Working principle: When disassembly and maintenance are required, the user can pull the two pull rings 7 at the same time to move the locking rod 4. When one end of the locking rod 4 is pulled out from the inside of the card slot 9, the fixation of the mounting plate 8 is released, so that the mounting plate 8 can be easily pulled out from the inside of the mounting slot 2. Compared with traditional bolt fixation, it is more convenient to disassemble. In addition, when in use, the protective plate 12 can be rotated to separate the protective plate 12 from the magnetic block 13. Under the action of gravity, the protective plate 12 will move vertically downward, which can protect the user's legs.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety chain saw for an oil pump, comprising a housing (1), characterized in that: The outer side of the shell (1) is provided with a mounting groove (2), the inner side of the shell (1) is provided with two cavities (3), a locking rod (4) is slidably connected to the inner wall through hole of the cavity (3), a fixing ring (5) is fixedly connected to the outer side of the locking rod (4), one end of the locking rod (4) is fixedly connected to a pull ring (7), a spring (6) is sleeved on the outer side of the locking rod (4), a mounting plate (8) is slidably connected to the inner side of the mounting groove (2), both sides of the outer side of the mounting plate (8) are provided with card slots (9), two limit blocks (10) are fixedly connected to the outer side of the shell (1), and a protective component is arranged at the bottom of the shell (1).

2. The safety chain saw for an oil pump according to claim 1, characterized in that: The protection component comprises a fixing block (11), the top of which is fixedly connected to the bottom of the housing (1).

3. The safety chain saw for an oil pump according to claim 2, characterized in that: The outer side of the fixed block (11) is rotatably connected to a protective plate (12), and the bottom of the housing (1) is fixedly connected to a magnetic block (13).

4. The safety chain saw for an oil pump according to claim 3, characterized in that: The bottom of the magnetic block (13) is attracted to the top of the protective plate (12).

5. The safety chain saw for an oil pump according to claim 1, characterized in that: One end of the spring (6) is fixedly connected to the inner wall of the cavity (3), and the other end of the spring (6) is fixedly connected to the outer side of the fixing ring (5).

6. The safety chain saw for an oil pump according to claim 1, characterized in that: The other end of the locking rod (4) is engaged with the inside of the mounting plate (8), and the outside of the mounting plate (8) is slidably connected to the outside of the limiting block (10).

7. The safety chain saw for an oil pump according to claim 1, characterized in that: A handle 1 (14) is fixedly connected to the top of the shell (1), and a handle 2 (15) is fixedly connected to the outside of the shell (1).

8. The safety chain saw for an oil pump according to claim 1, characterized in that: A chain saw (16) is installed on the outer side of the housing (1).

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