CN219165145U - Wear-resisting grass-mowing head and garden instrument of manual line-up - Google Patents

Abstract

The utility model discloses a wear-resistant grass cutting head capable of manually feeding wires and a garden tool, wherein the wear-resistant grass cutting head comprises a cutting head seat, a cutting head sleeve, a spring, a winding wheel and a knocking block, wherein the cutting head seat and the cutting head sleeve enclose a containing cavity, the winding wheel is rotatably arranged in the containing cavity and is in sliding connection with the cutting head seat in the axial direction, the spring is arranged in the containing cavity, two ends of the spring respectively support against the winding wheel and the cutting head seat, so that one end of the winding wheel supports against the inner end surface of the cutting head sleeve to limit the rotation of the winding wheel relative to the cutting head sleeve. The wear-resistant grass mowing head in the technical scheme has the advantage of convenience in threading.

Description

Wear-resisting grass-mowing head and garden instrument of manual line-up

Technical Field

The utility model belongs to the technical field of garden machinery, and particularly relates to a wear-resistant grass cutting head capable of manually feeding wires and a garden tool.

Background

The grass cutting head is a common mechanism of a common garden tool, the traditional structure is that the grass cutting head and the knocking block are fixed through screws, and when the grass cutting head is used, the knocking block is used for pushing the grass cutting head to move together to achieve a paying-off function, but the knocking block and the ground have larger relative speed when knocking, friction is severe, and abrasion of the knocking block is larger. Moreover, the existing wear-resistant grass mowing head has the problems of inconvenient online and poor user experience.

Disclosure of Invention

The utility model provides the wear-resistant grass cutting head for manually feeding, which aims to overcome the defect of inconvenient feeding of the wear-resistant grass cutting head in the prior art and has the advantage of convenient feeding.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a wear-resisting grass head of manual line of working up, includes header seat, header cover, spring, reel and beats the piece, header seat encloses into a holding chamber with the header cover, the rotatable setting of reel is holding the intracavity and in axial and header seat sliding connection, the spring sets up in holding the intracavity and both ends support tightly reel and header seat respectively to make the one end of reel support the inner terminal surface of tight header cover of reel in order to restrict the rotation of the relative header cover of reel, beat the one end of piece and rotate with the reel and be connected and fix in the axial, beat the other end of piece and stretch out the header cover, be equipped with on the reel with the fixed rotating member of reel circumference, the one end of rotating member is equipped with the rotating architecture with the operating member adaptation and this end stretches into to beat in the piece, beat and be equipped with the through hole that makes things convenient for the operating member to pass and be connected with rotating architecture.

In the technical scheme, the cutter head seat is fixed with the cutter head sleeve, two through holes for penetrating the grass beating ropes are formed in the side wall of the cutter head seat, the spring supports the winding wheel to be tightly arranged on the cutter head sleeve when the grass beating head is used for mowing, the cutter head seat, the cutter head sleeve, the winding wheel and the beating block rotate together to drive the grass beating ropes to rotate for mowing, when the grass beating ropes need to be paid off, the beating block is used for beating the ground or the wall surface, the beating block drives the end face of the winding wheel to be far away from the inner end face of the cutter head sleeve, the winding wheel can rotate relative to the cutter head sleeve, a part of the grass beating ropes wound on the winding wheel can be thrown out of the accommodating cavity by virtue of the centrifugal force of the grass beating head, the purpose of paying off is achieved, and because the beating block is connected with the winding wheel in a rotating mode, when the beating block is used for beating the ground, the winding wheel is not used for driving the beating block to rotate, the friction force between the ground and the beating block is used for enabling the speed of the beating block to be rapidly reduced, so that friction between the beating block and the ground is greatly reduced, and abrasion of the beating block is effectively reduced. When the manual wire feeding is needed, the operating piece is inserted into the through hole and connected with the rotating structure, the operating piece is rotated to drive the knocking block to rotate, when the mark on the knocking block is overlapped with the mark on the cutting head seat, the grass-cutting rope is penetrated from the through hole on the side wall of the cutting head seat and is penetrated from the other through hole, and when the two ends of the grass-cutting rope are identical in length, the operating piece is rotated to take up the wire. The operating member may be various operating members commonly used in the art. The grass mowing head in the technical scheme is simple in structure, convenient to operate, more wear-resistant in knocking block, and simpler and more convenient in manual line feeding.

Preferably, the rotating structure is a through hole arranged on the side wall of the rotating member, and the through hole is a through hole arranged on the side wall of the knocking block.

According to the technical scheme, when the wire is required to be manually fed, the long end of the operating piece is inserted into the through hole, if the operating piece can smoothly pass through the other end of the through hole, the operating piece is rotated to drive the knocking block to rotate, when the mark on the knocking block is overlapped with the mark on the cutting head seat, the grass-cutting rope is fed through the through hole on the side wall of the cutting head seat and passes through the other through hole, and when the two ends of the grass-cutting rope are identical in length, the operating piece is rotated to take up the wire. If the operating piece can not pass through the other end, the knocking block is slowly rotated, meanwhile, the operating piece is pushed inwards, the knocking block rotates by not more than 180 degrees, the operating piece can pass through the other end, and the follow-up operation is the same as the follow-up operation. According to the scheme, dirt in the passing hole can be thrown out by centrifugal force in the use process of the grass mowing head, the passing hole is prevented from being blocked, and even if the passing hole is blocked, the dirt in the passing hole can be poked out from the other end by penetrating the operating piece into the passing hole from one end. In addition, in the knocking process, the knocking block can protect the rotating member, so that the rotating member is prevented from being knocked, and dirt can be prevented from entering the through hole from the end part. When the operation piece is matched for use in manual online, the force arm during online can be increased through the lever principle, the force required during use is reduced, and the user experience is improved. The technical scheme can realize the structure that the knocking block can push the reel to pay off and simultaneously has different rotation states relative to the reel; the structure that the winding wheel and the knocking block can be combined into a whole winding with the help of a tool when the winding is needed can be realized; the structure that the force arm during winding can be changed with the help of the tool and the force required by a user is reduced is realized.

Preferably, the through hole is arranged on the end face of the knocking block, and the rotating structure is arranged at the end part of the rotating piece. According to the technical scheme, when manual wire feeding is needed, the long end of the operating piece is inserted into the through hole and connected with the rotating structure, the rotating operating piece drives the rotating piece to rotate, when the mark on the rotating piece is overlapped with the mark on the header, the grass-cutting rope penetrates through the through hole on the side wall of the header and penetrates out of the other through hole, and when the two ends of the grass-cutting rope are identical in length, the operating piece is rotated to take up the wire.

Preferably, the tight end of the reel abutting the cutting head sleeve is provided with a first limiting piece, the inner end face of the cutting head sleeve is provided with a second limiting piece matched with the first limiting piece, and the first limiting piece abuts against the second limiting piece to limit the rotation of the reel relative to the cutting head sleeve. The proposal can fix the reel and the cutting head sleeve in the circumferential direction when one end of the reel abuts against the inner end surface of the cutting head sleeve.

Preferably, a guiding inclined plane is arranged on the end surface, close to the second limiting piece, of the first limiting piece, so that the winding wheel can rotate unidirectionally relative to the cutter sleeve when the first limiting piece abuts against the second limiting piece.

The scheme can enable the winding wheel to rotate in one direction relative to the cutting head sleeve, and when the winding wheel is in winding, the winding wheel can rotate in one direction relative to the cutting head sleeve, the knocking block does not need to be pressed, and the winding is more convenient. In the mowing process, the reel and the cutter sleeve are circumferentially fixed, so that the grass rope is prevented from being thrown out.

Preferably, the knocking block is rotationally connected with the reel through a rotating member, and a rotating bearing is arranged between the rotating member and the knocking block.

Preferably, the rotating member and the reel are integrally formed; or, the reel is provided with a positioning groove, the rotating piece is provided with a positioning piece matched with the positioning groove, and the positioning piece is arranged in the positioning groove so that the rotating piece drives the reel to synchronously rotate.

The utility model provides a garden instrument, includes handle subassembly, connects the connecting pipe subassembly on the handle subassembly and locates the anterior power drive device of connecting pipe, power drive device include the motor that provides power and with receive motor drive's output part, characterized by still includes foretell wear-resisting grass head, wear-resisting grass head install in output part.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a cross-sectional view of the utility model;

FIG. 3 is a second cross-sectional view of the present utility model;

FIG. 4 is a schematic diagram of the structure of the present utility model;

fig. 5 is a schematic diagram of a second embodiment of the present utility model.

In the figure: the cutter head seat 1, the cutter head sleeve 2, the spring 3, the reel 4, the positioning groove 4.1, the knocking block 5, the through hole 5.1, the rotating piece 6, the rotating structure 6.1, the positioning piece 6.2, the first limiting piece 7, the second limiting piece 8, the guide inclined plane 9, the rotating bearing 10, the accommodating cavity 11 and the through hole 12.

Detailed Description

The utility model is further described below with reference to the drawings and specific embodiments.

Example 1:

as shown in fig. 1 and 2, a wear-resistant grass cutting head for manual winding comprises a cutting head seat 1, a cutting head sleeve 2, a spring 3, a winding wheel 4 and a knocking block 5, wherein the cutting head seat 1 and the cutting head sleeve 2 are surrounded to form a containing cavity 11, the winding wheel 4 is rotatably arranged in the containing cavity 11 and is axially and slidably connected with the cutting head seat 1, the spring 3 is arranged in the containing cavity 11, two ends of the spring 3 are respectively abutted against the winding wheel 4 and the cutting head seat 1, so that one end of the winding wheel 4 is abutted against the inner end surface of the cutting head sleeve 2 to limit the rotation of the winding wheel 4 relative to the cutting head sleeve 2, one end of the knocking block 5 is rotatably connected with the winding wheel 4 and is axially fixed, the other end of the knocking block 5 extends out of the cutting head sleeve 2, a rotating member 6 circumferentially fixed with the winding wheel 4 is arranged on the winding wheel 4, one end of the rotating member 6 is provided with a rotating structure 6.1 matched with an operating member, the end extends into the knocking block 5, and a penetrating hole 5.1 convenient to penetrate through the operating member and is connected with the rotating structure 6.1.

In the above technical scheme, the header 1 is fixed with the header cover 2, be equipped with two through-holes 12 that are used for passing the rope of beating on the lateral wall of header 1, the head of beating grass is when beating grass, and spring 3 supports reel 4 tightly on header cover 2, header 1, header cover 2, reel 4 and beat piece 5 and rotate together, drive the rope of beating and rotate and mow, when needing to pay off, beat ground or wall with beating piece 5, beat the terminal surface that the piece 5 drove reel 4 and keep away from the inner terminal surface of header cover 2, reel 4 can rotate relative header cover 2, and the centrifugal force of beating grass head high-speed rotation can make a part of rope of beating of coiling on reel 4 be thrown away and hold chamber 11, realizes the purpose of paying off, because beat piece 5 and reel 4 rotate with beating piece 5 and be connected, when beating the ground, the reel 4 does not drive and beat piece 5 and the frictional force of ground and beating piece 5 makes the speed of beating piece 5 reduce rapidly to reduce the friction of beating piece 5 and ground, effectively reduced the wearing and tearing of beating piece 5. When manual wire feeding is needed, an operating element is inserted into the through hole 5.1 and is connected with the rotating structure 6.1, the operating element is rotated to drive the knocking block 5 to rotate, when the mark on the knocking block 5 is overlapped with the mark on the header 1, a grass-cutting rope is penetrated from the through hole 12 on the side wall of the header 1 and is penetrated from the other through hole 12, and when the two ends of the grass-cutting rope are identical in length, the operating element is rotated to take up the wire. The operating member may be various operating members commonly used in the art. The operating member may be a wrench or other tool that is convenient to operate, such as a screwdriver.

In this embodiment, a first limiting member 7 is disposed at one end of the reel 4 abutting against the cutter head cover 2, a second limiting member 8 adapted to the first limiting member 7 is disposed on the inner end surface of the cutter head cover 2, and the first limiting member 7 abuts against the second limiting member 8 to limit rotation of the reel 4 relative to the cutter head cover 2. The proposal can fix the reel 4 and the cutting head sleeve 2 in the circumferential direction when one end of the reel 4 abuts against the inner end surface of the cutting head sleeve 2.

In this embodiment, a guiding inclined plane 9 is disposed on the end surface of the first limiting member 7 near the second limiting member 8, so that the reel 4 can rotate unidirectionally relative to the cutter head cover 2 when the first limiting member 7 abuts against the second limiting member 8.

The scheme can make the reel 4 can rotate in one direction relative to the cutter sleeve 2, and when the winding is performed, the reel 4 can rotate in one direction relative to the cutter sleeve 2, the knocking block 5 is not required to be pressed, and the winding is more convenient. In the mowing process, the reel 4 and the cutter sleeve 2 are circumferentially fixed, so that the grass ropes are prevented from being thrown out.

In this embodiment, the knocking block 5 is rotatably connected to the reel 4 through a rotating member 6, and a rotating bearing 10 is disposed between the rotating member 6 and the knocking block 5. The rolling bearing 10 is a radial bearing capable of bearing radial load.

In this embodiment, the reel 4 is provided with a positioning slot 4.1, the rotating member 6 is provided with a positioning member 6.2 adapted to the positioning slot 4.1, and the positioning member 6.2 is disposed in the positioning slot 4.1 so that the rotating member 6 drives the reel 4 to rotate synchronously.

It will be appreciated that the rotor 6 may be of integral construction with the reel 4.

It will be appreciated that the rolling bearing 10 may also be other bearings which can withstand radial loads.

Example 2:

as shown in fig. 2, on the basis of embodiment 1, the rotating structure 6.1 is a through hole provided on a side wall of the rotating member 6, and the through hole 5.1 is a through hole provided on a side wall of the knocking block 5.

In the above technical scheme, when the wire needs to be manually wound, the long end of the operating piece is inserted into the through hole 5.1, if the operating piece can smoothly pass through the other end of the through hole 5.1, the operating piece is rotated to drive the knocking block 5 to rotate, when the mark on the knocking block 5 is overlapped with the mark on the header base 1, the grass cutting rope is penetrated from the through hole 12 on the side wall of the header base 1 and passes out from the other through hole 12, and when the two ends of the grass cutting rope are identical in length, the operating piece is rotated to take up the wire. If the operating piece can not pass through the other end, the knocking block 5 is slowly rotated, meanwhile, the operating piece is pushed inwards, the knocking block 5 can pass through the other end of the operating piece without rotating by more than 180 degrees, and the follow-up operation is the same as the follow-up operation. According to the scheme, dirt in the passing hole 5.1 can be thrown out by centrifugal force in the use process of the grass cutting head, the passing hole 5.1 is prevented from being blocked, and even if the passing hole 5.1 is blocked, the dirt in the passing hole 5.1 can be poked out from the other end by penetrating the operating piece into the passing hole 5.1 from one end. In addition, in the knocking process, the knocking block 5 can protect the rotating piece 6, prevent the rotating piece 6 from being knocked, and also prevent dirt from entering the through hole 5.1 from the end part.

Preferably, as shown in fig. 4 and 5, the operating member is L-shaped with a longer end for rotation to increase the moment arm and a shorter end for use as a rotating handle.

Example 3:

as shown in fig. 3, on the basis of embodiment 1, the through hole 5.1 is provided on the end face of the striking block 5, and the rotating structure 6.1 is provided at the end of the rotating member 6. In the above technical scheme, when manual wire feeding is needed, the long end of the operating member is inserted through the hole 5.1 and connected with the rotating structure 6.1, the rotating operating member drives the rotating member 6 to rotate, when the mark on the rotating member 6 is overlapped with the mark on the header 1, the operating member is rotated to take up the wire after the grass cutting rope is penetrated from the through hole 12 on the side wall of the header 1 and is penetrated from the other through hole 12, and when the two ends of the grass cutting rope are identical in length.

Example 4:

the utility model provides a garden instrument, includes the handle subassembly that is used for being connected and control battery package break-make with the battery package, connects the connecting pipe subassembly on the handle subassembly and locates the anterior power drive unit of connecting pipe, power drive unit include provide the motor of power and with receive motor driven output part, still include the wear-resisting grass head of embodiment 1 to 3, wear-resisting grass head install in output part.

The wear-resistant grass cutting head can be arranged on the existing respective garden tools to cut grass, each part is firstly arranged before cutting grass, the operating part is inserted into the through hole and connected with the rotating structure, the rotating operating part drives the knocking block to rotate, when the mark on the knocking block is overlapped with the mark on the head seat, the grass cutting rope is penetrated from the through hole on the side wall of the head seat and penetrates out from the other through hole, when the two ends of the grass cutting rope are identical in length, the operating part is rotated to take up the grass, after the wire is wound, the handle assembly is held by hands, the power driving device is started to drive the wear-resistant grass cutting head to rotate to cut grass, and in the grass cutting process, if the grass beating rope is too short, the beating block can be used for beating the ground or the wall surface, the beating block drives the end surface of the winding wheel to be far away from the inner end surface of the cutting head sleeve, the winding wheel can rotate relative to the cutting head sleeve, a part of the grass beating rope wound on the winding wheel can be thrown out of the accommodating cavity by centrifugal force of high-speed rotation of the grass beating head, the paying-off purpose is achieved, the beating block is connected with the winding wheel in a rotating manner, when the beating block is used for beating the ground, the winding wheel does not drive the beating block to rotate, the friction force between the ground and the beating block enables the speed of the beating block to be rapidly reduced, so that friction between the beating block and the ground is greatly reduced, and abrasion of the beating block is effectively reduced.

Claims (8)

1. The utility model provides a wear-resisting grass head of manual line of working, includes header seat, header cover, spring, reel and beats the piece, header seat and header cover enclose into one and hold the chamber, the rotatable setting of reel is holding the intracavity and in axial and header seat sliding connection, the spring sets up in holding the intracavity and both ends are supported tightly reel and header seat respectively to make the one end of reel support the inner terminal surface of tight header cover in order to restrict the relative header cover rotation of reel, characterized by, beat the one end and rotate with the reel and be connected and fix in the axial of piece, beat the other end of piece and stretch out the header cover, be equipped with on the reel with the fixed rotating member of reel circumference, the one end of rotating member is equipped with the rotating structure of operating piece adaptation and this end stretches into in the piece, beat and be equipped with the through hole that makes things convenient for the operating piece pass and be connected with rotating structure on the piece.

2. The wear-resistant grass cutting head for manual feeding as claimed in claim 1, wherein the rotating structure is a through hole formed in a side wall of the rotating member, and the through hole is a through hole formed in a side wall of the striking block.

3. The wear-resistant grass cutting head for manual feeding as claimed in claim 1, wherein said through hole is provided in an end face of the striking block, and said rotary structure is provided in an end portion of the rotary member.

4. A manually fed wear-resistant grass cutting head as claimed in claim 1, 2 or 3, wherein the tight end of the reel against the cutter head sleeve is provided with a first limit member, the inner end surface of the cutter head sleeve is provided with a second limit member which is matched with the first limit member, and the first limit member abuts against the second limit member to limit the rotation of the reel relative to the cutter head sleeve.

5. The wear-resistant grass cutting head for manual feeding as claimed in claim 4, wherein a guiding inclined surface is provided on the end surface of the first limiting member adjacent to the second limiting member, so that the reel can rotate unidirectionally relative to the cutter head cover when the first limiting member abuts against the second limiting member.

6. A manually fed wear-resistant grass cutting head as claimed in claim 1, 2 or 3, wherein the striking block is rotatably connected to the reel by a rotatable member, and a rotatable bearing is provided between the rotatable member and the striking block.

7. A manually fed wear-resistant grass-cutting head as claimed in claim 1, 2 or 3, wherein said rotatable member is integrally formed with the reel; or, the reel is provided with a positioning groove, the rotating piece is provided with a positioning piece matched with the positioning groove, and the positioning piece is arranged in the positioning groove so that the rotating piece drives the reel to synchronously rotate.

8. A garden tool comprising a handle assembly, a connecting pipe assembly connected to the handle assembly and a power driving device arranged at the front part of the connecting pipe, wherein the power driving device comprises a motor for providing power and an output part driven by the motor, and the garden tool is characterized by further comprising the wear-resistant grass cutting head as claimed in any one of claims 1-7, and the wear-resistant grass cutting head is arranged on the output part.

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