Chain saw capable of rapidly oiling

Abstract

The utility model relates to the technical field of chain saws, in particular to a fast oiling chain saw which comprises a main body and a chain saw body installed on the main body, an oil tank, a carburetor connected with the oil tank, an air cylinder connected with the carburetor, a piston matched with the air cylinder and an ignition assembly connected with the air cylinder are arranged in the main body, and the ignition assembly is connected with the oil tank. The piston is in transmission connection with the chain saw through a piston connecting rod, and an electronic pump for pumping oil in the oil tank into the carburetor is connected between the carburetor and the oil tank. The technical problem that in the prior art, oiling of a chain saw is slow is effectively solved.

Description

Technical Field

[0001] This application relates to the field of chainsaw technology, and in particular to a chainsaw that can be quickly oiled. Background Technology

[0002] Existing chainsaws require fuel from the tank to be injected into the cylinder via a carburetor. The carburetor mixes the fuel with air, and the combustion occurs through piston compression in the cylinder, generating power to drive the chainsaw. However, current chainsaws connect the carburetor and fuel tank via a fuel line, resulting in slow fuel delivery and low efficiency. Utility Model Content

[0003] This application provides a chainsaw that can be quickly oiled, so as to at least solve the technical problem of slow oiling of chainsaws in the related art.

[0004] To achieve the above objectives, this application provides a fast-oiling chainsaw, comprising a main body and a chainsaw mounted on the main body. The main body contains an oil tank and a carburetor connected to the oil tank, a cylinder connected to the carburetor and a piston cooperating with the cylinder, and an ignition assembly connected to the cylinder. The piston is connected to the chainsaw via a piston rod. An electronic pump is connected between the carburetor and the oil tank to pump oil from the oil tank into the carburetor.

[0005] In some embodiments, the carburetor is disposed on the side of the cylinder and communicates with the cylinder via a vacuum tube.

[0006] In some embodiments, an expansion exhaust chamber is provided on the side of the cylinder away from the carburetor, and the cylinder is in communication with the expansion exhaust chamber.

[0007] In some embodiments, the side of the carburetor away from the cylinder is connected to an air filter.

[0008] In some embodiments, the carburetor, the electric pump, and the fuel tank are connected by a fuel delivery pipe, and a filter screen is provided at the end of the fuel delivery pipe inside the fuel tank.

[0009] In some embodiments, a handle is formed at the rear end of the main body, and a throttle trigger is provided at the handle. The throttle trigger is connected to the carburetor via a throttle linkage.

[0010] In some embodiments, the handle is provided with a safety lock that can be exposed from the upper end of the handle, and the safety lock abuts against the throttle trigger by an elastic element.

[0011] In some embodiments, a removable battery pack is provided at the rear end of the handle, the electronic pump is electrically connected to the battery pack via a circuit, a wiring groove for the circuit is formed inside the handle, and / or, a slot with the plug facing upward is provided at the rear end of the handle, and the battery pack is inserted into the slot and snapped into the slot.

[0012] In some embodiments, one end of the piston connecting rod is connected to the piston, and the other end is connected to a crankshaft, the crankshaft being drivenly connected to the chainsaw and the ignition assembly.

[0013] In some embodiments, the ignition assembly includes a rotor driven to the crankshaft, a rotor housing disposed outside the rotor, a high-voltage coil disposed outside the rotor housing, an ignition switch connected to the high-voltage coil, and a spark plug connected to the high-voltage coil, the spark plug being inserted into the cylinder.

[0014] Based on the above, the beneficial effect of the technical solution of this application is that an electronic pump is installed between the fuel tank and the carburetor to achieve rapid fuel supply and improve fuel supply efficiency. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0017] Figure 2 This is a schematic diagram of the handle structure according to an embodiment of this application;

[0018] Figure 3 This is a schematic diagram of the internal structure of an embodiment of this application;

[0019] Figure 4 This is a schematic diagram of the internal structure of an embodiment of this application;

[0020] Figure 5 This is a schematic diagram of the piston connecting rod and crankshaft assembly in an embodiment of this application.

[0021] Explanation of reference numerals in the attached drawings: 1. Main body; 2. Chainsaw; 3. Handle; 3.1. Throttle trigger; 3.2. Safety lock; 3.3. Slot; 4. Fuel tank; 5. Carburetor; 5.1. Air filter; 5.2. Filter screen; 6. Electric pump; 7. Cylinder; 7.1. Piston connecting rod; 7.2. Crankshaft; 8. Expansion exhaust chamber; 9.1. Rotor; 9.2. Rotor housing; 9.3. High voltage coil; 9.4. Ignition switch; 9.5. Spark plug. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this application clearer, the application is described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the application. All other embodiments obtained by those skilled in the art based on the embodiments provided in this application without inventive effort are within the scope of protection of this application. Furthermore, it is understood that although the efforts made in such a development process may be complex and lengthy, for those skilled in the art related to the content disclosed in this application, modifications to design, manufacturing, or production based on the technical content disclosed in this application are merely conventional technical means and should not be construed as insufficient disclosure of the content of this application.

[0023] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0024] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms “a,” “an,” “an,” “the,” and similar words used in this application do not indicate quantity limitation and may indicate singular or plural. The terms “comprising,” “including,” “having,” and any variations thereof used in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that includes a series of steps or modules (units) is not limited to the listed steps or units, but may also include steps or units not listed, or may include other steps or units inherent to these processes, methods, products, or devices. The terms “connected,” “linked,” “coupled,” and similar words used in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. “Multiple” used in this application means two or more. “And / or” describes the relationship between related objects, indicating that three relationships may exist; for example, “A and / or B” can represent: A alone, A and B simultaneously, and B alone. The terms “first,” “second,” “third,” etc., used in this application are merely to distinguish similar objects and do not represent a specific ordering of the objects.

[0025] This application provides a fast-oiling chainsaw, including a main body and a chainsaw mounted on the main body. The main body is equipped with a fuel tank and a carburetor connected to the fuel tank, a cylinder connected to the carburetor and a piston cooperating with the cylinder, and an ignition assembly connected to the cylinder. The piston is connected to the chainsaw via a piston rod. An electronic pump is connected between the carburetor and the fuel tank to pump fuel from the fuel tank into the carburetor.

[0026] Implementation, for example Figures 1-5 As shown, a fast-oiling chainsaw includes a main body 1 and a chainsaw 2 mounted at the front end of the main body 1. A handle 3 is located at the rear end of the main body 1. Inside the main body 1, there is a fuel tank 4, a carburetor 5, an electric pump 6, and a cylinder 7. The carburetor 5 is located on the side of the cylinder 7 near the handle 3, with one end connected to the cylinder 7 via a vacuum tube and the other end connected to the electric pump 6, which in turn connects to the fuel tank 4. The carburetor 5, the electric pump 6, and the fuel tank 4 are connected via a fuel delivery pipe, allowing the electric pump 6 to pump fuel from the fuel tank 4 into the carburetor 5. An expansion exhaust chamber 8 is located on the side of the cylinder 7 away from the carburetor 5, and the expansion exhaust chamber 8 is connected to the cylinder 7. Inside the cylinder 7, there is a mating piston and a piston connecting rod 7.1. One end of the piston connecting rod 7.1 is connected to the piston, and the other end is connected to a crankshaft 7.2. The crankshaft 7.2 is connected to the chainsaw 2 and the ignition assembly.

[0027] Furthermore, an air filter 5.1 is connected to the side of the carburetor 5 away from the cylinder 7.

[0028] Furthermore, a filter screen 5.2 is installed at the end of the oil delivery pipe inside the oil tank 4.

[0029] Furthermore, a throttle trigger 3.1 is provided at handle 3. The throttle trigger 3.1 is connected to the carburetor 5 via a throttle linkage. The fuel injection efficiency of the carburetor 5 is controlled by pulling the throttle trigger 3.1.

[0030] Furthermore, a safety lock 3.2 is provided inside the handle 3, which can be exposed from the upper end of the handle 3. The safety lock 3.2 and the throttle trigger 3.1 are abutted by an elastic element, so that the throttle trigger 3.1 can only be pulled when the safety lock 3.2 is pressed into the handle 3.

[0031] Furthermore, a removable battery pack (not shown in the figure) is provided at the rear of the handle 3. The electronic pump 6 is electrically connected to the battery pack via wiring. The battery pack and the electronic pump 6 work together to enable the electric start of the device. A wiring groove is formed inside the handle 3 for wiring. A slot 3.3 with the plug facing upward is provided at the rear of the handle 3. The battery pack is inserted into the slot 3.3 and then snapped into the slot 3.3.

[0032] Furthermore, the ignition assembly includes a rotor 9.1 that is drivenly connected to the crankshaft 7.2, a rotor housing 9.2 disposed outside the rotor 9.1, a high-voltage coil 9.3 disposed outside the rotor housing 9.2, an ignition switch 9.4 connected to the high-voltage coil 9.3, and a spark plug 9.5 connected to the high-voltage coil 9.3. The spark plug 9.5 is inserted into the cylinder 7 to achieve ignition.

[0033] Those skilled in the art should understand that the technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments have been described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A chainsaw that can be quickly oiled, characterized in that: The device includes a main body and a chainsaw mounted on the main body. Inside the main body, there is a fuel tank and a carburetor connected to the fuel tank, a cylinder connected to the carburetor and a piston that cooperates with the cylinder, and an ignition assembly connected to the cylinder. The piston is connected to the chainsaw via a piston rod. An electric pump is connected between the carburetor and the fuel tank to pump fuel from the fuel tank into the carburetor.

2. The chainsaw with rapid oiling according to claim 1, characterized in that: The carburetor is located on the side of the cylinder and is connected to the cylinder via a vacuum tube.

3. A chainsaw with rapid oiling according to claim 2, characterized in that: An expansion exhaust chamber is provided on the side of the cylinder away from the carburetor, and the cylinder is connected to the expansion exhaust chamber.

4. A chainsaw with rapid oiling according to claim 2, characterized in that: An air filter is connected to the side of the carburetor away from the cylinder.

5. A chainsaw for rapid oiling according to claim 1, characterized in that: The carburetor, the electric pump, and the fuel tank are connected by a fuel delivery pipe, and a filter screen is installed at the end of the fuel delivery pipe inside the fuel tank.

6. A chainsaw for rapid oiling according to claim 1, characterized in that: A handle is formed at the rear end of the main body, and a throttle trigger is provided at the handle. The throttle trigger is connected to the carburetor via a throttle linkage.

7. A chainsaw for rapid oiling according to claim 6, characterized in that: The handle is equipped with a safety lock that can be exposed from the upper end of the handle, and the safety lock is in contact with the throttle trigger by an elastic element.

8. A chainsaw for rapid oiling according to claim 6, characterized in that: A detachable battery pack is provided at the rear end of the handle. The electronic pump is electrically connected to the battery pack via a circuit. A wiring groove for the circuit is formed inside the handle. And / or, a slot with the plug facing upward is provided at the rear end of the handle. The battery pack is inserted into the slot and then snapped into the slot.

9. A chainsaw for rapid oiling according to claim 1, characterized in that: One end of the piston connecting rod is connected to the piston, and the other end is connected to a crankshaft. The crankshaft is connected to the chainsaw and the ignition assembly in a driving connection.

10. A chainsaw for rapid oiling according to claim 9, characterized in that: The ignition assembly includes a rotor that is driven to the crankshaft, a rotor housing disposed outside the rotor, a high-voltage coil disposed outside the rotor housing, an ignition switch connected to the high-voltage coil, and a spark plug connected to the high-voltage coil, wherein the spark plug is inserted into the cylinder.

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