CN220235453U - Mower cutter - Google Patents

Abstract

The utility model relates to a mower cutter, which comprises a cutter body, wherein a driving bin is fixed on the bottom surface of the cutter body, two sliding holes are formed in the right side of the driving bin, connecting cylinders are connected to the sliding holes in a sliding mode, long rods are inserted into the connecting cylinders, a plurality of long blades are fixed on the opposite surfaces of the two long rods, a driving assembly is arranged on the driving bin, and a mounting assembly is arranged at the bottom of the cutter body. This mower cutter, when using, drive two stock left and right reciprocating motion through drive assembly, and then make rectangular blade on the stock left and right movement, cooperation between the rectangular blade on two stock cuts weeds, can avoid high-speed rotation to throw away weeds and cobble etc. and cause inconvenience like this, use safelyr, when rectangular blade needs maintenance of polishing, can dismantle the stock fast through installation component, and then conveniently take off the stock and maintain rectangular blade, it is more practical.

Description

A lawn mower knife

Technical field

The utility model relates to the technical field of lawn mower cutters, specifically a lawn mower cutter.

Background technique

A lawnmower is also called a lawnmower, a lawnmower, a lawn trimmer, etc. A lawnmower is a mechanical tool used for trimming lawns, vegetation, etc. It consists of a cutterhead, engine, running wheels, traveling mechanism, blades, It consists of handrails and control parts.

Most of the cutting tools used in traditional lawn mowers are round, and then there is a driving mechanism to drive the cutting tool to rotate to cut the grass. For example, a Chinese patent (Announcement No.: CN 205794091 U) discloses a high-efficiency garden lawn mower cutting tool. This patent The disclosed cutting machine tool is a circular cutterhead. When in use, the drive mechanism drives the cutterhead to rotate at high speed to cut grass.

This round knife has high mowing efficiency and is easy to use. However, it also has some shortcomings. When cutting, the cutterhead needs to rotate at high speed. Under the action of inertia, when the weeds are cut, they will be thrown out by the cutterhead, causing the weeds to be cut. The cut weeds will splash everywhere. If the splashed weeds enter the body of the lawn mower, they may also affect the use of the lawn mower and increase the failure rate of the lawn mower. At the same time, if there are stones on the grass, etc., they will be thrown out by the cutter. It will also cause harm to the surroundings and pose certain safety risks. Therefore, a lawn mower cutter is proposed to solve the above problems.

Utility model content

In view of the shortcomings of the existing technology, the present utility model provides a lawn mower cutter, which has the advantage of preventing inconvenience caused by weeds splashing when mowing, and solves the problem that traditional round cutters easily cause weeds to splash.

In order to achieve the above purpose, the present utility model provides the following technical solution: a lawn mower cutter, including a body, a driving chamber is fixed on the bottom surface of the body and close to the left side, and there are two openings on the right side of the driving chamber. Sliding holes are distributed up and down. There are connecting tubes slidingly connected in the two sliding holes. Long rods are inserted into the two connecting tubes. A plurality of left and right distribution holes are fixed on the opposite sides of the two long rods. A long blade, the driving chamber is provided with a driving assembly for driving the long blade for cutting, and the bottom of the body is provided with an installation assembly for installing a long rod.

The drive assembly includes two discs fixed on the top wall and the inner bottom wall of the drive chamber respectively. The top surface of the drive chamber is fixed with a motor with an output shaft fixed on the top surface of the top disc. The top disc is A first rotating shaft is fixed on the bottom surface and close to the left side, a second rotating shaft is fixed on the top surface of the bottom disk and close to the right side, and a cross bar is fixed between the first rotating shaft and the second rotating shaft. The outer peripheral wall of the first rotating shaft is rotatably connected to a first connecting rod with one end hinged to the left end of the connecting barrel at the top, and the outer peripheral wall of the second rotating shaft is rotatably connected to a second connecting rod with one end hinged to the left end of the connecting barrel at the bottom. Rod.

Further, the bottom surface of the body is provided with a placement slot for placing the power supply machine, the sliding hole is in clearance fit with the connecting tube, and the connecting tube is in clearance fit with the long rod.

Further, the left and right sides of the long blade are blades, and a plurality of the long blades are arranged at intervals on the two long rods. The bottom surface of the top long blade and the top of the bottom long blade are Face to face.

Further, the left and right sides of the body are provided with crawler-type traveling mechanisms, and a controller is fixed on the front of the body.

Further, the installation assembly includes a support plate fixed on the bottom surface of the machine body. Two sliding rods distributed up and down are fixed on the left side of the support plate. A sliding plate is slidably connected between the two sliding rods. There are two guide holes on the left side for two long rods to pass through and be slidably connected with them. A first spring is set on the outer peripheral wall of the slide rod and is located on the right side of the slide plate. The front of the long rod is located on the connecting side. A slot is provided in the barrel. The front side of the connecting barrel is slidably connected to a latch whose rear end penetrates the front side of the connecting barrel and extends into the slot. The outer peripheral wall of the latch has one end fixed to the latch and the other end fixed to the latch. Connect the second spring on the barrel.

Furthermore, the guide hole has a clearance fit with the long rod, the sliding rod and the latch are both T-shaped rods, the latch has a clearance fit with the slot, and a plug is provided on the front of the connecting tube for the latch to penetrate and be slidably connected with it. hole.

Compared with the existing technology, the technical solution of this application has the following beneficial effects:

When the lawn mower cutter is used, the driving assembly drives the two long rods to move back and forth left and right, thereby causing the long blades on the long rods to move left and right, and the combination of the long blades on the two long rods cuts the debris This can avoid the inconvenience caused by high-speed rotation of weeds and stones, making it safer to use. When the long blade needs to be polished and maintained, the long pole can be quickly disassembled by installing the assembly, making it easier to remove the long pole. It is more practical to maintain long blades.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic front view of the driving assembly of the present utility model;

Figure 3 is an enlarged schematic diagram of position A in Figure 1 of the present invention;

Figure 4 is a schematic top view of the latch of the present utility model.

In the picture: 1 body, 2 drive compartment, 3 sliding hole, 4 connecting tube, 5 long rod, 6 long blade, 7 drive assembly, 701 disk, 702 motor, 703 first rotating shaft, 704 second rotating shaft, 705 horizontal Rod, 706 first connecting rod, 707 second connecting rod, 8 mounting components, 801 support plate, 802 sliding rod, 803 slide plate, 804 guide hole, 805 first spring, 806 slot, 807 latch, 808 second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figure 1-2. A lawn mower cutter in this embodiment includes a body 1. A driving chamber 2 is fixed on the bottom surface of the body 1 and near the left side. There are two upper and lower openings on the right side of the driving chamber 2. Distributed sliding holes 3, the two sliding holes 3 are slidingly connected with connecting tubes 4, the two connecting tubes 4 are both inserted with long rods 5, and the opposite sides of the two long rods 5 are fixed with a plurality of left and right distributions. The long blade 6 is provided with a driving assembly 7 on the driving chamber 2 for driving the long blade 6 for cutting. When in use, the driving assembly 7 drives the two long rods 5 to move left and right, thereby causing the long rods 5 to move back and forth. The long blade 6 moves left and right, and the weeds are cut through the cooperation between the long blades 6 on the two long poles 5. This can avoid the inconvenience caused by high-speed rotation of the weeds and stones, and is safer to use. The machine body The bottom of 1 is provided with a mounting assembly 8 for installing the long rod 5. When the long blade 6 needs to be polished and maintained, the long rod 5 can be quickly disassembled through the mounting assembly 8, thereby making it easy to remove the long rod 5 and the pair of long blades 6. Maintenance is more practical.

The driving assembly 7 includes two discs 701 respectively fixed on the inner top wall and the inner bottom wall of the driving chamber 2. A motor 702 with an output shaft fixed on the top surface of the top disc 701 is fixed on the top surface of the driving chamber 2. The top disc A first rotating shaft 703 is fixed on the bottom surface of 701 and close to the left side, a second rotating shaft 704 is fixed on the top surface of the bottom disk 701 and close to the right side, and a cross bar 705 is fixed between the first rotating shaft 703 and the second rotating shaft 704 , the outer peripheral wall of the first rotating shaft 703 is rotatably connected to a first connecting rod 706 with one end hinged to the left end of the top connecting barrel 4, and the outer peripheral wall of the second rotating shaft 704 is rotatably connected to a second connection with one end hinged to the left end of the bottom connecting barrel 4 Rod 707, when in use, start the motor 702, the motor 702 drives the top disc 701 to rotate, the top disc 701 drives the first connecting rod 706 through the first rotating shaft 703, so that the first connecting rod 706 pushes the top connecting tube 4 to move to the right , at the same time, the first rotating shaft 703 drives the second rotating shaft 704 through the cross bar 705, causing the second rotating shaft 704 and the bottom disc 701 to rotate, and drives the second connecting rod 707 through the second rotating shaft 704, and then the second connecting rod 707 drives the bottom The connecting tube 4 moves to the left, so that the motor 702 can drive the two long rods 5 to move in opposite directions and reciprocate, so that the long blades 6 on the two long rods 5 can cut weeds like scissors, avoiding high speed Rotation throws away weeds and stones, making it safer to use.

Among them, the bottom surface of the body 1 is provided with a slot for placing the power supply 702. The sliding hole 3 has a clearance fit with the connecting tube 4, the connecting tube 4 has a clearance fit with the long rod 5, and the left and right sides of the long blade 6 are blades. Two A plurality of long blades 6 are arranged at intervals on the long pole 5. The bottom surface of the top long blade 6 is in contact with the top surface of the bottom long blade 6. This structure facilitates better cooperation between the long blades 6. Weed cutting.

There are crawler-type traveling mechanisms on the left and right sides of the body 1, and a controller is fixed on the front of the body 1. It should be noted that the crawler-type traveling mechanism is a mature and public technology in the existing technology. Therefore, it is described in this article. No need to go into details. In addition, the motor 702 and the crawler traveling mechanism mentioned in the article are controlled by the controller. The control circuit of the controller can be realized through simple programming by those skilled in the art. The provision of power supply is also well-known in the art. Common sense, and this utility model is mainly used to protect mechanical devices, so this utility model will not explain the control method and circuit connection in detail.

Please refer to Figures 3-4. In this embodiment, the installation assembly 8 includes a support plate 801 fixed on the bottom surface of the body 1. Two sliding rods 802 distributed up and down are fixed on the left side of the supporting plate 801. The two sliding rods 802 A slide plate 803 is slidably connected between them. The left side of the slide plate 803 is provided with two guide holes 804 for the two long rods 5 to pass through and are slidably connected with them. There is a guide hole 804 on the outer peripheral wall of the slide rod 802 and located on the right side of the slide plate 803. The first spring 805, when the long blade 6 needs to be maintained and polished, move the sliding plate 803 to the right, so that the sliding plate 803 moves to the right on the sliding rod 802 and squeezes the first spring 805 until the long rod 5 is separated from the guide hole 804. 5 is provided with a slot 806 on the front and is located in the connecting tube 4. The front of the connecting tube 4 is slidably connected with a latch 807 whose rear end penetrates the front of the connecting tube 4 and extends into the slot 806. The outer peripheral wall of the latch 807 has an end. The second spring 808 is fixed on the latch 807 and the other end is fixed on the connecting barrel 4, and then the latch 807 is pulled forward to separate the latch 807 from the slot 806 and stretch the second spring 808. At this time, the long Remove the rod 5. When installing, just reverse the above operation.

Among them, the guide hole 804 has a clearance fit with the long rod 5, the sliding rod 802 and the latch 807 are both T-shaped rods, the latch 807 has a clearance fit with the slot 806, and a plug is provided on the front of the connecting tube 4 for the latch 807 to penetrate and be slidably connected with it. hole.

The working principle of the above embodiment is:

When in use, start the motor 702, and the motor 702 drives the top disc 701 to rotate. The top disc 701 drives the first connecting rod 706 through the first rotating shaft 703, so that the first connecting rod 706 pushes the top connecting tube 4 to move to the right. At the same time, The first rotating shaft 703 drives the second rotating shaft 704 through the cross bar 705, causing the second rotating shaft 704 and the bottom disc 701 to rotate. The second rotating shaft 704 drives the second connecting rod 707, and then the second connecting rod 707 drives the bottom connecting tube 4 Move to the left, so that the motor 702 can drive the two long poles 5 to move in opposite directions and reciprocate, so that the long blades 6 on the two long poles 5 can cut weeds like scissors.

When the long blade 6 needs to be maintained and polished, move the sliding plate 803 to the right, so that the sliding plate 803 moves to the right on the sliding rod 802 and squeezes the first spring 805 until the long rod 5 is separated from the guide hole 804, and then pulls out the latch 807 forward. , disengage the latch 807 from the slot 806 and stretch the second spring 808. At this time, the long rod 5 can be removed. When installing, just reverse the above operation.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A lawn mower cutter, including a body (1), characterized in that: a driving chamber (2) is fixed on the bottom surface of the body (1) and close to the left side, and the right side of the driving chamber (2) There are two sliding holes (3) distributed up and down. There are connecting tubes (4) slidingly connected in the two sliding holes (3), and long rods are inserted in the two connecting tubes (4). (5), the opposite sides of the two long rods (5) are fixed with a plurality of long blades (6) distributed left and right, and the driving chamber (2) is provided with a device for driving the long blades (6) for cutting. The driving assembly (7), the bottom of the body (1) is provided with an installation assembly (8) for installing the long rod (5); The driving assembly (7) includes two discs (701) respectively fixed on the inner top wall and the inner bottom wall of the driving chamber (2). An output shaft is fixed on the top surface of the driving chamber (2). The motor (702) on the top surface of the disk (701), the first rotating shaft (703) is fixed on the bottom surface of the top disk (701) and close to the left side, and the top surface of the bottom disk (701) is close to A second rotating shaft (704) is fixed on the right side, a cross bar (705) is fixed between the first rotating shaft (703) and the second rotating shaft (704), and the outer peripheral wall of the first rotating shaft (703) rotates A first connecting rod (706) with one end hinged at the left end of the connecting tube (4) at the top is connected to the outer peripheral wall of the second rotating shaft (704) with an end hinged at the left end of the connecting tube (4) at the bottom. The second connecting rod (707). 2. A lawn mower cutter according to claim 1, characterized in that: the bottom surface of the body (1) is provided with a placement slot for placing the power supply unit (702), and the sliding hole (3) is connected to the connecting tube. (4) Clearance fit. The connecting tube (4) and the long rod (5) have a clearance fit. 3. A lawn mower cutter according to claim 1, characterized in that: the left and right sides of the long blade (6) are blades, and a plurality of the two long rods (5) are The long blades (6) are arranged at intervals in sequence, and the bottom surface of the long blade (6) at the top is in contact with the top surface of the long blade (6) at the bottom. 4. A lawn mower cutter according to claim 1, characterized in that: both left and right sides of the body (1) are provided with crawler-type traveling mechanisms, and a controller is fixed on the front of the body (1). . 5. A lawn mower cutter according to claim 1, characterized in that: the installation assembly (8) includes a support plate (801) fixed on the bottom surface of the body (1), and the support plate (801) Two sliding rods (802) distributed up and down are fixed on the left side. A sliding plate (803) is slidingly connected between the two sliding rods (802). There are two separate sliding rods (803) on the left side of the sliding rod (803). Two long rods (5) pass through and are slidingly connected to the guide holes (804). A first spring (805) is installed on the outer peripheral wall of the sliding rod (802) and is located on the right side of the slide plate (803). A slot (806) is provided on the front of the long rod (5) and located in the connecting tube (4). The front of the connecting tube (4) is slidably connected with a rear end that penetrates the front of the connecting tube (4) and extends to the slot (806). The latch (807) in the latch (806) has a second spring (808) with one end fixed on the latch (807) and the other end fixed on the connecting barrel (4) mounted on the outer peripheral wall of the latch (807). 6. A lawn mower cutter according to claim 5, characterized in that: the guide hole (804) and the long rod (5) have a clearance fit, and the sliding rod (802) and the latch (807) are both T-shaped rod, the latch (807) has a clearance fit with the slot (806), and the front side of the connecting tube (4) is provided with a socket for the latch (807) to penetrate and be slidably connected with it.