Oil pumping mechanism for electric saw or chain saw

Abstract

The utility model provides an oil pumping mechanism for an electric saw or a chain saw, which comprises a shell of the electric saw or the chain saw, an oil pumping mechanism body and a lubricating oil way connected with the oil pumping mechanism body. The oil pumping mechanism body comprises a first pipeline, a second pipeline and an elastic compression pipe arranged between the first pipeline and the second pipeline, and a compression structure capable of compressing the elastic compression pipe to pump oil and a driving structure used for driving the compression structure to rotate are arranged at the matching position of the outer wall of the elastic compression pipe. And the compression structure is provided with at least one compression wheel which is matched with the elastic compression pipe and can extrude the elastic compression pipe, and a rotating frame or a rotating wheel for mounting the compression wheel. The device is simple in structure and small in occupied space.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric saw or oil saw, especially a pump oil mechanism for electric saw or oil saw. BACKGROUND

[0002] The existing electric saw or oil saw usually adopts the oil pump pump body of the standard part, the engine drives the pump body to pump oil through the crankshaft, including pump body, pump cover, pump shaft and pump sheet and various parts, the structure is complex, the volume is big, can increase the volume in the oil saw shell, thereby affecting the volume of electric saw or oil saw whole. The volume of the oil pump pump body is big, can occupy the position of the electric saw or oil saw shell or engine, can affect the layout of other parts. SUMMARY

[0003] In order to solve the problem of the prior art, the utility model provides a pump oil mechanism for electric saw or oil saw, simple structure, small space occupation, convenient for reasonable layout.

[0004] The technical scheme adopted is as follows:

[0005] A pump oil mechanism for electric saw or oil saw, including the shell of electric saw or oil saw, pump oil mechanism body, the lubricating oil circuit connected with pump oil mechanism body, the cavity of installing pump oil mechanism body is equipped on the shell, the pump oil mechanism body includes first pipeline, second pipeline, the elastic compression pipe between first pipeline and second pipeline, the compression structure of the elastic compression pipe outer wall cooperation place is equipped with compressible elastic compression pipe to pump oil and the driving structure for driving the rotation of compression structure, the compression structure is equipped with the compression wheel at least one with the elastic compression pipe cooperation, can extrude the elastic compression pipe, and the rotating frame or rotating wheel of installing compression wheel.

[0006] Further, the first pipeline is the oil inlet pipe connected with the oil tank, and the second pipeline is the oil outlet pipe connected with the lubricating oil circuit.

[0007] Further, the rotating frame or rotating wheel is arranged on the driving shaft of the driving structure.

[0008] Further, the compression wheel is provided with four, is uniformly distributed in the outer periphery of rotating frame or rotating wheel, and the outer periphery of rotating frame or rotating wheel is equipped with the mounting frame of installing compression wheel.

[0009] Further, the compression wheel is equipped with the recess matched with the elastic compression pipe.

[0010] Further, the elastic compression pipe is annularly arranged on the outer periphery of the rotating frame or rotating wheel and matched with the compression wheel.

[0011] Further, the pump oil mechanism body can be used for the electric saw, the cavity of the electric saw is arranged on the shell near the outer side, the elastic compression pipe is directly arranged in the cavity of the electric saw shell, the shell near the outer side one end is equipped with the cover plate arranged on the cavity, and the driving structure is installed on the shell near the inner side one end.

[0012] Further, the pump oil mechanism body can be used for the electric saw, the cavity of the electric saw is arranged on the shell near the outer side, the elastic compression pipe is directly arranged in the cavity of the electric saw shell, the shell near the outer side one end is equipped with the cover plate arranged on the cavity, and the driving structure is installed on the shell near the inner side one end.

[0013] Compared with the prior art, the pump oil mechanism has the advantages that:

[0014] The utility model provides a kind of pump oil mechanism for electric saw or oil saw, pump oil mechanism includes the first pipeline connected with oil circuit, second pipeline.It is as oil inlet pipe or oil outlet pipe according to need respectively corresponding connection oil tank connection or lubricating oil circuit by first, second pipeline, elastic compression pipe is connected between first pipeline and second pipeline, and compression structure is arranged in the middle of elastic compression pipe, and compression structure includes rotating frame or rotating wheel driven to rotate by driving structure, rotating frame or rotating wheel outer wall is equipped with compression wheel, and elastic compression pipe is arranged in the outer periphery of rotating frame or rotating wheel, rotating frame or rotating wheel is extruded elastic compression pipe by compression wheel rotation, and it is combined that elastic compression pipe is repeatedly compressed, and elastic reset peristalsis, so that continuous negative pressure is generated in compression pipe, and lubricating oil is absorbed and transmitted to lubricating oil circuit, the utility model has the advantages of simple structure, small space occupation, and will not affect the layout of other parts in oil saw or electric saw, and can be arranged at the place needing lubrication, the structure of overall oil saw or electric saw is optimized, the entire oil saw or electric saw can be redesigned, and the volume is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the schematic view that pump oil mechanism is installed in oil saw;

[0016] Figure 2 It is the disassembly view that pump oil mechanism is installed in oil saw;

[0017] Figure 3 It is the schematic view that pump oil mechanism is installed in electric saw;

[0018] Figure 4 It is the schematic view of pump oil mechanism in electric saw;

[0019] Among them, shell 1, pump oil mechanism body 2, oil inlet pipe 201, oil outlet pipe 202, elastic compression pipe 203, compression structure 4, compression wheel 401, rotating frame or rotating wheel 402, mounting bracket 403, oil tank 5, cavity 6, driving shaft 7, cover plate 8, mounting shell 9, needle bearing 10, chain wheel 11, passive disc 12, clutch 13. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with specific embodiments.

[0021] Reference Figures 1-4 A pump oil mechanism for electric saw or chain saw, comprising a housing 1 of electric saw or chain saw, a pump oil mechanism body 2, and a lubricating oil path connected with the pump oil mechanism body, the housing 1 is provided with a cavity 6 for installing the pump oil mechanism body 2, the pump oil mechanism body 2 comprises a first pipeline, a second pipeline, and an elastic compression tube 203 arranged between the first pipeline and the second pipeline, a compression structure 4 for compressing the elastic compression tube 203 to pump oil and a driving structure for driving the compression structure 4 to rotate are arranged at the matching position of the outer wall of the elastic compression tube 203, the compression structure 4 is provided with at least one compression wheel 401 matched with the elastic compression tube 203 and capable of extruding the elastic compression tube 203, and a rotating frame or rotating wheel 402 for installing the compression wheel 401.

[0022] The first pipeline and the second pipeline can be connected with an oil tank 5 or a lubricating oil path according to needs. In the embodiment, the first pipeline is an oil inlet pipe 201 connected with the oil tank 5 for sucking lubricating oil in the oil tank, and the second pipeline is an oil outlet pipe 202 connected with the lubricating oil path, the lubricating oil can flow into the lubricating oil path through an oil outlet nozzle, and the positions needing lubrication of the electric saw or chain saw are lubricated. The lubricating oil path can be arranged at the positions needing lubrication, such as the inside of an engine and a chain.

[0023] The rotating frame or rotating wheel 402 is connected with a driving shaft 7 of the driving structure. The compression wheel 401 is arranged at the outer periphery of the rotating frame or rotating wheel 402, and the outer periphery of the rotating frame or rotating wheel 402 is provided with a mounting frame 403 for installing the compression wheel 401. The driving structure can drive the rotating frame or rotating wheel 402 to rotate, and the compression wheel 401 rotates with the rotating frame or rotating wheel 402, and the compression wheel 401 is matched with the outer wall of the elastic compression tube 203 and can extrude the elastic compression tube 203. The elastic compression tube 203 is a flexible tube, which is convenient for extrusion by the compression wheel 401 and elastic return, so as to form a peristaltic action and continuously generate negative pressure to suck oil from the oil tank, and the compression wheel 401 rotating with the rotating frame or rotating wheel 402 intermittently compresses the elastic compression tube 203, so that the elastic compression tube 203 is pumped out from the oil outlet 202. When the elastic compression tube is intermittently separated from the compression wheel 401, the elastic return generates negative pressure, and the oil tank is sucked through the oil inlet pipe 201.

[0024] Lubricating oil from the oil tank 5 through the inlet pipe 201 into the elastic compression pipe 203, compression wheel 401 with rotating frame or rotating wheel 402 rotation, continuous rotation extrusion elastic compression pipe 203. Elastic compression pipe 203 is arranged in the outer periphery of the rotating frame or rotating wheel 402, rotating frame or rotating wheel 402 rotation can extrude elastic compression pipe 203 a week, through extrusion, make the lubricating oil in the elastic compression pipe 203 from the second pipeline 202 pump out.

[0025] As preferred, the compression wheel 401 is provided with four, the more the compression wheel 401, the better the extrusion effect, the higher the pump oil efficiency.

[0026] The compression wheel 401 is provided with a groove matched with the elastic compression pipe. The groove is arranged to be in close contact with the elastic compression pipe 203, so that the compression wheel 401 rotates more smoothly.

[0027] The elastic compression pipe is annularly arranged on the outer periphery of the rotating frame or rotating wheel 402 and matched with the compression wheel 401. This is a main structure of the utility model, the compression wheel and the elastic compression pipe, the annular elastic compression pipe occupies a smaller space, only needs to ensure that the compression wheel can rotate to extrude the elastic compression pipe, so that the elastic compression pipe can peristalsis, and the rotating frame or rotating wheel can be as small as possible according to actual conditions. Therefore, the utility model has the advantages of simple structure, small occupied volume and no influence on the layout of other parts in the chainsaw or electric saw.

[0028] As shown in Figure 3 , 4 , the oil pumping mechanism body 2 can be used for an electric saw, the cavity 6 of the electric saw is arranged on the housing 1 close to the outer side, the elastic compression pipe 203 is directly arranged in the cavity 6 of the electric saw housing, the elastic compression pipe 203 is arranged in close contact with the inner wall of the cavity, the housing 1 close to the outer side one end is provided with a cover plate 8 arranged on the cover, and the rotating driving structure is installed at the housing 1 close to the inner side one end.

[0029] As shown in Figure 1 , 2 , the oil pumping mechanism body 2 can be used for an oil saw, the cavity 6 of the oil saw is provided with a mounting shell 9 for mounting the elastic compression pipe 203, and the housing close to the outer side one end is sequentially provided with an oil pump cover plate 3, a needle bearing 10, a chain wheel 11, a passive disc 12 and a clutch 13.

[0030] The above-mentioned is only optional embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made according to the utility model specification and the drawings contents, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A pumping mechanism for an electric saw or chainsaw, comprising a housing (1) of the electric saw or chainsaw, a pumping mechanism body (2), and a lubricating oil passage connected to the pumping mechanism body, wherein the housing (1) is provided with a cavity (6) for mounting the pumping mechanism body (2), characterized in that: The pumping mechanism body (2) includes a first pipeline, a second pipeline, and an elastic compression tube (203) disposed between the first pipeline and the second pipeline. The outer wall of the elastic compression tube (203) is provided with a compression structure (4) that can compress the elastic compression tube (203) to pump oil and a drive structure for driving the compression structure (4) to rotate. The compression structure (4) is provided with at least one compression wheel (401) that cooperates with the elastic compression tube (203) and can squeeze the elastic compression tube (203), and a rotating frame or rotating wheel (402) for mounting the compression wheel (401).

2. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1, characterized in that: The first pipeline is an oil inlet pipe (201) connected to the oil tank (5), and the second pipeline is an oil outlet pipe (202) connected to the lubricating oil circuit.

3. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1, characterized in that: The rotating frame or rotating wheel (402) is connected to the drive shaft (7) of the drive structure.

4. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1 or 3, characterized in that: The compression wheels (401) are provided in four parts, which are evenly distributed on the outer periphery of the rotating frame or rotating wheel (402). The outer periphery of the rotating frame or rotating wheel (402) is provided with a mounting bracket (403) for mounting the compression wheels.

5. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1, characterized in that: The compression wheel (401) is provided with a groove that cooperates with the elastic compression tube.

6. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1, characterized in that: The elastic compression tube is arranged in a ring around the outer periphery of the rotating frame or rotating wheel (402) and cooperates with the compression wheel (401).

7. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1, characterized in that: The pump mechanism body (2) can be used for electric saws. The cavity (6) of the electric saw is located near the outer side of the housing (1). The elastic compression tube (203) is located inside the cavity (6) of the electric saw housing. The housing (1) near the outer side is provided with a cover plate (8) covering the cavity. The drive structure is installed at the end of the housing (1) near the inner side.

8. The oil pumping mechanism for a chainsaw or electric saw as described in claim 1, characterized in that: The oil pump mechanism body (2) can be used in a chainsaw. The cavity (6) of the chainsaw is provided with a mounting shell (9) for installing an elastic compression tube (203). The outer end of the shell is provided with an oil pump cover plate (3), a needle roller bearing (10), a sprocket (11), a driven disc (12), and a clutch (13).

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