CN211745361U

CN211745361U - Double-adjustment limiting mechanism of grass trimmer

Info

Publication number: CN211745361U
Application number: CN201922488659.7U
Authority: CN
Inventors: 赵飞; 陈振强; 刘桂阳; 代恩磊; 王帅华
Original assignee: Shandong Yongjia Power Co ltd
Current assignee: Shandong Yongjia Power Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-27
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a two stop gear that adjust of grass mower, it belongs to hand propelled grass mower field. The novel adjustable positioning device mainly comprises a support, wherein a connecting frame fixedly connected with the support is arranged on the support, a limiting plate and an adjusting plate fixedly connected with the connecting frame are arranged on the connecting frame, a rotatable positioning plate is arranged between the limiting plate and the adjusting plate, a limiting table and adjusting teeth are arranged on two sides of the positioning plate respectively, the limiting table is matched with the limiting plate, and the adjusting teeth are matched with the adjusting plate. The utility model discloses simple structure, compactness, flexible operation, convenient and fast can realize the regulation of angle and control rack height around the machine of beating grass. The utility model is mainly used for a hand-push type grass trimmer.

Description

Double-adjustment limiting mechanism of grass trimmer

Technical Field

The utility model belongs to hand propelled grass trimmer field, specifically speaking especially relates to a grass trimmer double regulation stop gear.

Background

The portable mower has wide application in the market and has great market demand. The existing side-hung and backpack mower is easy to cause fatigue of operators and reduces the working efficiency. In order to change the current situation, people invent a hand-push type grass trimmer, so that the labor intensity of an operator is greatly reduced, and the working efficiency is improved.

The push type grass trimmer in the current market is roughly divided into two types: one type is a single-handle type, namely only one operating handle is needed to be operated by a single hand, the wheels and the handle cannot be adjusted, the grass trimmer of the type is inconvenient to operate, and the power head, the working rod, the handle and the like need to be disassembled and packaged during transportation, so that the assembly of a user is inconvenient; the other type is a double-handle type, the grass trimmer is convenient to operate, but the use angles of the wheels and the handle cannot be adjusted, a user cannot flexibly adjust according to the terrain condition, and the problem that the grass trimmer is inconvenient to assemble by the user also exists.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the double-regulation limiting mechanism of the grass trimmer is simple and compact in structure, flexible to operate, convenient and fast, and capable of realizing regulation of the front and rear angles of the grass trimmer and the height of the operating frame.

The double-regulation limiting mechanism of the grass trimmer comprises a support, wherein a connecting frame fixedly connected with the support is arranged on the support, a limiting plate and a regulating plate fixedly connected with the connecting frame are arranged on the connecting frame, a rotatable positioning plate is arranged between the limiting plate and the regulating plate, a limiting table and regulating teeth are arranged on two sides of the positioning plate respectively, the limiting table is matched with the limiting plate, and the regulating teeth are matched with the regulating plate.

Preferably, a clamping plate is arranged at the top of the positioning plate, a clamping groove is formed between the positioning plate and the clamping plate, an operating frame is arranged in the clamping groove, an adjusting handle is arranged on the clamping plate, and the adjusting handle is connected with the positioning plate through threads.

Preferably, the positioning plate is provided with a fixing plate matched with the positioning plate, the positioning plate and the fixing plate are respectively provided with a matched arc groove, transmission shafts are arranged in the two arc grooves, and the transmission shafts are fixedly connected with the positioning plate through fasteners and the fixing plate.

Preferably, the limiting plate and the adjusting plate are fixed on the bracket through fixing screws, and the positioning plate is fixed through adjusting bolts and adjusting knobs.

Preferably, wheels are respectively arranged on two sides of the bracket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an adjusting tooth on the locating plate cooperatees with the regulating plate, constitutes adjustment mechanism, and spacing platform on the locating plate cooperatees with the limiting plate simultaneously, constitutes stop gear, realizes that the locating plate is adjustable for regulating plate and limiting plate and rotates to play the effect of adjusting the angle around the grass mower, make it be applicable to different topography;

2. an adjustable operating frame is additionally arranged above the positioning plate, and the angle of the operating frame is adjusted to enable the operating frame to be suitable for people with different heights;

3. the utility model discloses an adjust knob and regulation handle are adjusted, easy operation, convenient and fast.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a positioning plate;

FIG. 3 is a schematic structural diagram of a limiting plate;

FIG. 4 is a schematic view of the adjusting plate;

FIG. 5 is a schematic view of the structure of the clamping plate;

fig. 6 is a reference diagram of the usage status of the present invention.

In the figure, 1, a wheel; 2. adjusting a knob; 3. a support; 4. a set screw; 5. adjusting the bolt; 6. a limiting plate; 7. a fixing plate; 8. a fastener; 9. an adjusting plate; 10. positioning a plate; 11. a console; 12. a drive shaft; 13. a clamping plate; 14. adjusting the handle; 15. a connecting frame; 16. a limiting table; 17. adjusting teeth; 18. an arc groove; 19. a clamping groove; 20. a card slot; 21. and (7) clamping blocks.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, two regulation stop gear of grass mower, which comprises a

bracket

3, 3 both sides of support are equipped with wheel 1 respectively, be equipped with two link 15 of fixed connection on the support 3, be equipped with fixed connection's limiting plate 6 and regulating plate 9 on two link 15 respectively, limiting plate 6 and regulating plate 9 are fixed on link 15 on support 3 through set screw 4 respectively, be equipped with rotatable locating plate 10 between limiting plate 6 and the regulating plate 9, locating plate 10 is fixed through adjusting bolt 5 and adjust knob 2, adjusting bolt 5 passes link 15 in proper order, limiting plate 6, locating plate 10 and regulating plate 9, and it is fixed through festival knob 2. As shown in fig. 2 to 4, two sides of the positioning plate 10 are respectively provided with a limiting table 16 and an adjusting tooth 17, the limiting table 16 is matched with the limiting plate 6, and the adjusting tooth 17 is matched with the adjusting plate 9.

As shown in fig. 5, a clamping plate 13 is arranged at the top of the positioning plate 10, a clamping groove 20 is arranged on the positioning plate 10, a clamping block 21 is arranged at the bottom of the clamping plate 13, the clamping block 21 is matched with the clamping groove 20, a clamping groove 19 is arranged between the positioning plate 10 and the clamping plate 13, an operation frame 11 is arranged in the clamping groove 19, an adjusting handle 14 is arranged on the clamping plate 13, and the adjusting handle 14 is connected with the positioning plate 10 through a thread.

The positioning plate 10 is provided with a fixing plate 7 matched with the positioning plate, the positioning plate 10 and the fixing plate 7 are respectively provided with a matched arc groove 18, transmission shafts 12 are arranged in the two arc grooves 18, the transmission shafts 12 are fixedly connected with the positioning plate 10 through fasteners 8 and the fixing plate 7, and the fasteners 8 are fixing screws 2.

As shown in fig. 6, when the utility model is used, the power device is arranged at the upper end of the transmission shaft 12, and the grass mowing device is arranged at the bottom of the transmission shaft 12. A limiting table 16 is arranged on the positioning plate 10, a movable groove matched with the limiting table 16 is arranged on the limiting plate 6, and the positioning plate 10 and the limiting plate 6 are matched to form a limiting mechanism which can ensure that the wheels 1 cannot rotate backwards; the adjusting plate 9 and the positioning plate 10 are respectively provided with adjusting teeth 17 to form a rotation angle adjusting mechanism, during adjustment, the adjusting knob 2 is loosened, the operating bracket 11 is pushed, the rotation angle of the positioning plate 10 is changed, and the adjusting knob 2 is fastened again after the adjustment is finished.

The clamping plate 13, the positioning plate 10 and the adjusting handle 14 form a height adjusting mechanism. When adjusting, the adjusting handle 14 is loosened to adjust the up-and-down angle of the operating frame 11, thereby being suitable for users with various heights.

Claims

1. The utility model provides a two regulation stop gear of machine of beating grass, includes support (3), its characterized in that: be equipped with fixed connection's link (15) on support (3), be equipped with fixed connection's limiting plate (6) and regulating plate (9) on link (15), be equipped with rotatable locating plate (10) between limiting plate (6) and regulating plate (9), locating plate (10) both sides are equipped with spacing platform (16) and regulation tooth (17) respectively, and spacing platform (16) cooperate with limiting plate (6), and regulation tooth (17) cooperate with regulating plate (9).

2. The double-adjustment limiting mechanism of the grass trimmer according to claim 1, characterized in that: the top of the positioning plate (10) is provided with a clamping plate (13), a clamping groove (19) is formed between the positioning plate (10) and the clamping plate (13), an operation frame (11) is arranged in the clamping groove (19), the clamping plate (13) is provided with an adjusting handle (14), and the adjusting handle (14) is connected with the positioning plate (10) through threads.

3. The double-adjustment limiting mechanism of the grass trimmer according to claim 1 or 2, characterized in that: the positioning plate (10) is provided with a fixing plate (7) matched with the positioning plate, the positioning plate (10) and the fixing plate (7) are respectively provided with a circular arc groove (18) matched with the positioning plate, transmission shafts (12) are arranged in the two circular arc grooves (18), and the transmission shafts (12) are fixedly connected with the positioning plate (10) through fasteners (8) and the fixing plate (7).

4. The double-adjustment limiting mechanism of the grass trimmer according to claim 1, characterized in that: the limiting plate (6) and the adjusting plate (9) are fixed on the support (3) through fixing screws (4), and the positioning plate (10) is fixed through adjusting bolts (5) and adjusting knobs (2).

5. The double-adjustment limiting mechanism of the grass trimmer according to claim 1, characterized in that: wheels (1) are respectively arranged on two sides of the support (3).