CN214592905U - Handle fixing structure of grass trimmer - Google Patents

Abstract

The utility model discloses a quick-witted handle fixed knot of beating grass relates to garden instrument technical field, including handle, casing and base, the casing is fixed with the extension rod of machine of beating grass, the base with the casing is fixed, still includes the last hold assembly of reciprocal anchorage and hold assembly down, the handle is pressed from both sides tightly and is in go up the hold assembly and hold the spacing inslot that forms down between the part, down the hold assembly with base integrated into one piece. The utility model discloses a grass cutter handle fixed knot constructs changes this power of bearing the handle by the casing and goes up the conduction into to be undertaken by hold assembly and base down, has avoided leading to the defect of damage and wearing and tearing by the relatively fragile casing atress of intensity.

Description

Handle fixing structure of grass trimmer

Technical Field

The utility model belongs to the technical field of garden instrument technique and specifically relates to a quick-witted handle fixed knot of beating grass constructs.

Background

A grass trimmer is a garden tool and is used for trimming lawns. The grass trimmer comprises an extension rod extending longitudinally, and a grass trimming head and an operating part for controlling the grass trimming head are respectively fixed at two ends of the extension rod.

In order to facilitate holding of the grass trimmer, a handle is fixed on the extension rod. The handles are often configured to resemble bicycle handlebars or other shapes that are convenient to hold.

Currently, the handle is fixed by fixing a housing on an extension rod, fixing a base in the housing, clamping and fixing the handle by an upper clamping component and a lower clamping component, and then fixing the lower clamping component to the base by a fastener.

In the above structure, the following technical drawbacks exist: 1. the structure is more complex; 2. the base for fixing the upper clamping part and the lower clamping part is generally directly formed on the shell, so that the shell directly bears the force transmitted at the handle fixed on the upper clamping part and the lower clamping part, the shell is a plastic piece, the strength is weak, and the injection molding process of the plastic piece is complex; 3. the force of the handle during operation is transmitted to the casing through the ribs on the casing, and the casing is seriously abraded for a long time.

Based on the above problems, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

First, technical problem to be solved

The utility model discloses an above-mentioned defect to prior art exists, specially provide a machine handle fixed knot constructs of beating grass, solve current machine handle fixed knot of beating grass and construct comparatively serious technical defect to casing wearing and tearing.

Second, technical scheme

In order to solve the technical problem, the utility model provides a mower handle fixed knot constructs, including handle, casing and base, the casing is fixed with the extension rod of mower, and base and casing are fixed, still include the last hold assembly of reciprocal anchorage and hold assembly down, and the handle is pressed from both sides tightly at last hold assembly and down the spacing inslot that forms between the hold assembly, hold assembly and base integrated into one piece down.

The side wall of the part of the handle clamped in the limit groove is provided with anti-skid grains, and the groove wall of the limit groove is provided with patterns matched with the anti-skid grains.

Wherein, the base and the lower clamping component are made of aluminum.

Wherein, the front end of the upper clamping part is provided with a buckling foot, the corresponding lower clamping part is provided with a buckling seat, and the buckling foot is buckled in the buckling seat.

The upper clamping part and the lower clamping part are provided with through holes for alignment, the through holes are positioned behind the upper clamping part, a bolt penetrates through the through holes of the upper clamping part and then is screwed into the through holes of the lower clamping part for locking, and the bolt is provided with an operating end extending outwards from the upper end surface of the upper clamping part.

Wherein, be provided with the spring that compresses between last clamping component and the lower clamping component, the bolt passes the spring.

Wherein, at the fixed multiunit extension rod mounting that sets up of casing inside, extension rod mounting is fixed with the extension rod, and wherein a set of extension rod mounting, it has following structure: the fixing device comprises a first fixing part and a second fixing part, wherein the first fixing part is integrally formed with a mounting seat, and the base is fixed with the mounting seat.

The clamping device comprises an upper clamping component, a lower clamping component, a pressing cover, a bolt, a biasing part and a pressing part, wherein a through hole for alignment is formed between the upper clamping component and the lower clamping component, the pressing cover is fixedly arranged on the end face of the upper clamping component, the bolt is fixed at the lower end of the pressing cover, the bolt penetrates through the through hole of the upper clamping component and extends into the through hole of the lower clamping component, a threaded part matched with the end part of the bolt is arranged in the through hole of the lower clamping component, the pressing part is rotatably arranged on the pressing cover, and the biasing end of the biasing part is abutted against the end face of the pressing cover.

Wherein, the casing includes left casing and right casing fixed each other.

Third, beneficial effect

Compared with the prior art, the utility model discloses a machine of beating grass can transmit the effort of handle to centre gripping part and base down through handle fixed knot constructs in actual operation, is about to should be changed into by centre gripping part and base and undertake by the power that the casing bore by the casing to avoid bearing this handle effort and lead to the defect that the casing damaged and wearing and tearing by structural strength relatively fragile casing.

Drawings

Fig. 1 is a schematic diagram of the mechanism of the present invention.

Fig. 2 is an exploded view of the housing and its mating components of the present invention.

Fig. 3 is a schematic structural diagram of another embodiment of the present invention.

Fig. 4 is a schematic diagram of a part of the structure in fig. 3.

Fig. 5 is an exploded view of fig. 4.

Fig. 6 is a schematic perspective view of the first fixing portion.

Fig. 7 is a schematic view of a fixing structure of an upper clamping member and a lower clamping member according to another embodiment of the present invention.

In the figure, 1 is a handle; 2 is a shell; 3 is a base; 4 is an upper clamping part; 5 is a lower clamping part; 6 is a bolt; 7 is an extension rod fixing piece; 20 is a left shell; 21 is a right casing; 40 is a fastening pin; 41 is a gland; 42 is a biasing member; 50 is a buckle seat; 60 is an operation end; 71 is a first fixed part; 72 is a second fixed part; 100 is a limit groove; 101 is a spring; 102 is an extension rod; 103 is a mounting seat; 200 is a perforation.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

referring to fig. 1 to 3, the utility model discloses a handle fixing structure of grass trimmer, which comprises a handle 1, a casing 2 and a base 3, wherein the casing 2 is fixed with an extension rod 102 of the grass trimmer, the base 3 is fixed with the casing 2, and the handle is clamped in a limiting groove 100 formed between an upper clamping part 4 and a lower clamping part 5 which are clamped with each other. And the lower clip member 5 and the base 3 are integrally formed.

In the structure, the lower clamping part 5 and the base 3 are integrally formed, so that the structure is simplified, and the base 3 is integrated on the lower clamping part 5, so that the force transmitted on the handle 1 originally borne by the casing is changed into the force borne by the lower clamping part and the base, and the defects of damage and abrasion caused by the stress of the casing with weaker strength are overcome.

In order to avoid the handle 1 from slipping caused by being clamped in the limiting groove 100, anti-slip patterns are arranged on the side wall of the part of the handle 1 clamped in the limiting groove, and patterns matched with the anti-slip patterns are arranged on the groove wall of the limiting groove. Through the cooperation between the anti-skidding lines and the patterns, the biting force of the limiting groove 100 on the handle 1 is increased.

The base 3 and the lower clamp member 5 are made of aluminum, but the material is not limited in the present application, and other materials having high strength and wear resistance may be used.

The upper clamping component 4 and the lower clamping component 5 are fixed by the following method: the front end of the upper clamping part 4 is provided with a buckling foot 40, the corresponding lower clamping part 5 is provided with a buckling seat 50, and the buckling foot 40 is buckled in the buckling seat 50. An aligned through hole 200 is arranged between the upper clamping component 4 and the lower clamping component 5, the through hole 200 is positioned behind the upper clamping component 4, a bolt 6 passes through the through hole of the upper clamping component 4, then is screwed into the through hole of the lower clamping component 5 and is locked by a nut or directly by screw thread fit, and the bolt 6 is provided with an operating end 60 extending outwards from the upper end surface of the upper clamping component 4.

In the structure, one end of the upper clamping part 4 and one end of the lower clamping part 5 are fixed in a way of matching the buckling feet 40 and the buckling seats 50, and the other ends are fixed through the bolts 5; in this structure, it is all very convenient when installation and dismantlement to go up clamping part 4 and clamping part 5 down, only need screw up a bolt can, and because the one end of bolt is operation end 60, consequently when screwing the bolt, also very convenient, can directly operate through bare-handed.

Further, a compressed spring 101 is provided between the upper clamp member 4 and the lower clamp member 5, and the bolt 6 passes through the spring 101. The spring 101 is provided to prevent looseness between the upper and lower clamp members 4 and 5.

Wherein the housing 2 comprises a left housing 20 and a right housing 21 fixed to each other.

Example 2:

referring to fig. 4 to 7, compared with the embodiment 1, the handle fixing structure of the lawn mower of the embodiment includes a plurality of sets of extension rod fixing members 7 fixedly disposed inside the housing 2, and the extension rod fixing members 7 are fixed to the extension rod 102.

One group of extension rod fixing pieces have the following structures: the fixing device comprises a first fixing part 71 and a second fixing part 72, wherein the first fixing part 71 is integrally formed with a mounting seat 103, and the base 3 and the mounting seat 103 can be fixed by a fastener or directly integrally formed.

An aligned through hole is arranged between the upper clamping component 4 and the lower clamping component 5, a gland 41 is fixedly arranged on the end surface of the upper clamping component 4, a bolt 6 is fixed at the lower end of the gland 41, the bolt 6 penetrates through the through hole of the upper clamping component 4 and extends into the through hole of the lower clamping component 5, a threaded part matched with the end part of the bolt is arranged in the through hole of the lower clamping component 5, a biasing part 42 is rotatably arranged on the gland 41, and the biasing end of the biasing part 42 is pressed against the end surface of the gland 41. When the biasing member 42 is in the initial position, the bolt 6 is separated from the threaded portion of the lower clamping member 5, the end surface of the pressing cover 41 is biased by rotating the biasing member 42, so that the bolt 6 is driven to extend downward by the plastic deformation, and the bolt 6 enters the threaded portion of the lower clamping member 5, at this time, the rotating bolt 6 can be driven by rotating the pressing cover, so that the bolt 6 locks the upper clamping member 4 and the lower clamping member 5.

Embodiment 2, which is similar to embodiment 1, and embodiment 2 is compared with embodiment 1, and further the mounting seat 103 and the fixing member of the extension rod are integrally formed, so that the transmission of the force applied at the handle to the surface of the housing can be further reduced, and the possibility of damage to the housing can be further reduced.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a grass cutter handle fixed knot constructs, includes handle (1), casing (2) and base (3), casing (2) and grass cutter's extension rod (102) are fixed, base (3) with casing (2) are fixed, its characterized in that: the handle is characterized by further comprising an upper clamping part (4) and a lower clamping part (5) which are fixed with each other, the handle (1) is clamped in a limiting groove (100) formed between the upper clamping part (4) and the lower clamping part (5), and the lower clamping part (5) and the base (3) are integrally formed.

2. The handle fixing structure of a grass cutter as claimed in claim 1, wherein: the side wall of the part of the handle (1) clamped in the limiting groove (100) is provided with anti-skid grains, and the groove wall of the limiting groove (100) is provided with patterns matched with the anti-skid grains.

3. The handle fixing structure of a grass cutter as claimed in claim 1, wherein: the base (3) and the lower clamping part (5) are made of aluminum.

4. The handle fixing structure of a grass cutter as claimed in claim 1, wherein: the front end of the upper clamping part (4) is provided with a buckling foot (40), the lower clamping part (5) is correspondingly provided with a buckling seat (50), and the buckling foot (40) is buckled in the buckling seat (50).

5. The handle attachment structure of a lawnmower according to claim 4, wherein: a through hole (200) is formed between the upper clamping component (4) and the lower clamping component (5) in a contraposition mode, the through hole (200) is located behind the upper clamping component (4), a bolt (6) penetrates through the through hole of the upper clamping component (4) and then is screwed into the through hole of the lower clamping component (5) for locking, and the bolt (6) is provided with an operating end (60) extending outwards from the upper end face of the upper clamping component.

6. The handle attachment structure of a lawnmower according to claim 5, wherein: a compressed spring (101) is arranged between the upper clamping part (4) and the lower clamping part (5), and the bolt (6) penetrates through the spring (101).

7. The handle fixing structure of a grass cutter as claimed in claim 1, wherein: a plurality of sets of extension rod fixing members (7) fixedly arranged in the casing (2), wherein the extension rod fixing members (7) are fixed with the extension rod (102), and one set of the extension rod fixing members has the following structure: the fixing device comprises a first fixing part (71) and a second fixing part (72), wherein an installation seat (103) is integrally formed on the first fixing part (71), and the base (3) is fixed with the installation seat (103).

8. The handle attachment structure of a lawnmower according to claim 7, wherein: the clamping device is characterized in that a through hole which is aligned is formed between the upper clamping component (4) and the lower clamping component (5), a gland (41) is fixedly arranged on the end face of the upper clamping component (4), a bolt (6) is fixed at the lower end of the gland (41), the bolt (6) penetrates through the through hole of the upper clamping component (4) and extends into the through hole of the lower clamping component (5), a threaded part which is matched with the end part of the bolt is arranged in the through hole of the lower clamping component (5), a biasing part (42) is rotatably arranged on the gland (41), and the biasing end of the biasing part (42) is abutted against the end face of the gland (41).

9. A handle attachment for a lawnmower according to any one of claims 1 or 8, wherein: the machine shell (2) comprises a left machine shell (20) and a right machine shell (21) which are fixed with each other.

Images