CN201097500Y

CN201097500Y - Lawn trimming tool

Info

Publication number: CN201097500Y
Application number: CNU2007200454048U
Authority: CN
Inventors: 桑树华; 田进
Original assignee: SUZHOU LEVAC ELECTRIC APPLIANCE CO Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2007-08-23
Filing date: 2007-08-23
Publication date: 2008-08-13
Anticipated expiration: 2017-08-23

Abstract

The utility model discloses a lawn trimming tool which comprises at least two open-ended handles, an adjusting rod provided with a plurality of locating slots and a telescopic rotation adjustment device, wherein the telescopic rotation adjustment device comprises a locating sleeve provided with a groove and a gap, a press button provided with a locking part and a sunken part as well as a locating pin; the locking part, which has two statuses, is contained inside a space formed by the gap and an opening which are communicated in a first status, and is separated from the space in a second status; moreover, the locating pin, which also has two statuses, is contained inside a space formed by one of the locating slots and the groove which are communicated and is pressed by the bottom surface of the press button in a first status, and is contained inside a space formed by the sunken part and the groove which are communicated. The utility model realizes the functions of extension and rotation through arranging the telescopic rotation adjustment device; therefore, the entire tool is simpler along with more convenient operation.

Description

A kind of lawn care instrument

Affiliated technical field

The utility model relates to a kind of lawn care instrument, relates in particular to a kind of lawn care instrument with flexible rotation adjustment device.

Background technology

Some lawn care instruments such as mower, have the bar that can elongate or shorten at present, adapt to the user of different heights with the length of adjustment means.Also have some known mowers, can be with respect to handle Rotate 180 degree or more, so that the head of beating the grass is suitable for level or different operating angle such as vertical.Also also have some mowers, have rotation and flexible two kinds of functions, but these two kinds of functions are to realize by two different structures respectively, and these two different structures often are distributed in the different parts of instrument, so the user needs two actions that can not link up together to reach rotation and flexible purpose respectively when operation.Obviously such operation meeting is made troubles to use and difficulty.In addition, from the angle of assembly technology, also can make assembly technology more loaded down with trivial details relatively.

Summary of the invention

For overcoming above-mentioned defective, the utility model provides a kind of lawn care instrument of using, and it stretches and rotate two functions by unified realization of an adjusting device is set, and simple, convenient.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of lawn care instrument, comprise handle, adjusting rod and flexible rotation adjustment device, described handle is provided with at least two openings, described adjusting rod is provided with a plurality of locating slots, described flexible rotation adjustment device, it comprises:

Positioning sleeve, it is sheathed on the described adjusting rod, and this positioning sleeve is provided with chute, be positioned at the stopper section of chute front end and be positioned at the breach of runner rear end, further offers groove on described chute;

Button, it is provided with base portion, this base portion is housed in the described chute, its front end cooperates with described stopper section by flexible member, the rear end is provided with the sticking department that cooperates with described breach, and its bottom surface is provided with depressed part, and wherein said sticking department has two states, be contained in that described breach and opening communicate and in the space that forms, be separated from described breach and the common space that forms of opening at the described sticking department of first state at the described sticking department of second state; And

Alignment pin, have two states, be contained in that one of them locating slot and described groove communicate and in the space that forms at the described alignment pin of first state, and pushed down, be contained in that described depressed part and groove communicate and in the space that forms at the described alignment pin of second state by the bottom surface of button.

The beneficial effects of the utility model are, flexible rotation adjustment device is unified to be realized flexible and rotate two functions by being provided with, and make complete machine seem more succinct, operation is simple more, convenient.

Description of drawings

Fig. 1 is the stereogram of a kind of lawn care instrument of the utility model.

Fig. 2 is the three-dimensional exploded view of Fig. 1.

Fig. 3 is the stereo amplification figure of flexible rotation adjustment device shown in Fig. 2.

Fig. 4 is the structural representation of the utility model before promoting button.

Fig. 5 is the structural representation of the utility model after promoting button.

Fig. 6 is the cutaway view of Fig. 1 along the A-A line.

Fig. 7 is the cutaway view of Fig. 1 along the B-B line.

Among the figure: 26. breach, 27. grooves, 28. limiting sections, 29. holding parts, 3. buttons, 31. operating portions, 32. base portions, 33. connecting portions, 34. sticking departments, 35. main parts, 36. depressed parts, 4. blocks, 5. flexible members, 6. alignment pins of 23. guiding ribs, 24. chutes, 25. stopper sections, 12. work heads, 13. adjusting rods, 130. locating slots, 131. gathering sills, 2. positioning sleeves, 21. positioning sleeve front ends, 22. positioning sleeve rear ends, 11. handle 110. openings, 111. blocking parts

Embodiment

Describe best embodiment of the present utility model in detail below in conjunction with accompanying drawing.

See also Fig. 1 to Fig. 3, general lawn care instrument comprises handle 11, work head 12, adjusting rod 13 and flexible rotation adjustment device, wherein the front end of adjusting rod 13 is connected with work head 12, the rear end is connected with handle 11, flexible rotation adjustment device by be sheathed on positioning sleeve 2 on the adjusting rod 13, be installed on the button 3 on the positioning sleeve 2, block 4, flexible member 5 and the alignment pin 6 that is sheathed on the positioning sleeve 2 formed.Described handle 11 offers three openings 110 on its end face, described adjusting rod 13 is provided with some locating slots 130.

To shown in Figure 7, described positioning sleeve 2 is installed on the rear end of adjusting rod 13 in conjunction with Fig. 4, and this positioning sleeve 2 is provided with guiding rib 23, and it is contained in the gathering sill 131 that is arranged on the adjusting rod 13, thereby positioning sleeve 2 can not be rotated with respect to adjusting rod 13.Described positioning sleeve 2 is made up of the positioning sleeve rear end 22 that is contained in the positioning sleeve front end 21 in the block 4 and be contained in the handle 11, described positioning sleeve front end 21 is provided with stopper section 25, chute 24 and breach 26 from front to back successively, wherein on chute 24, further offer groove 27, described breach 26 and opening 110 corresponding matching; Described positioning sleeve rear end 22 is provided with two limiting sections 28.Described button 3 is by forming for the operating portion 31 of operator's application of force and the base portion 32 that is contained in the described chute 24, described base portion 32 comprise connecting portion 33, the sticking department 34 that is arranged at its rear end that is arranged at its front end and be arranged at connecting portion 33 and sticking department 34 between main part 35, and form a depressed part 36 in the bottom surface of this main part 35.One end of described flexible member 5 is installed on the connecting portion 33, and the other end is resisted against stopper section 25.The inwall of described block 4 is provided with holding slot (among the figure indicate), and it is used to accommodate and is arranged on the holding parts 29 that 21 weeks of positioning sleeve front end make progress, and 4 is fixedly installed on the positioning sleeve 2 so that block a shot.

During assembling, earlier positioning sleeve 2 is sheathed on the rear end of adjusting rod 13, assemble handle 11 then, positioning sleeve rear end 22 and part adjusting rod 13 are contained in the handle 11, and one of them opening 110 axially communicates with breach 26, positioning sleeve 2, after adjusting rod 13 and handle 11 are assembled into one, then flexible member 5 is installed on the connecting portion 33 of button 3, again button 3 is installed in the chute 24 of positioning sleeve 2, make the free end of flexible member 5 be resisted against stopper section 25, and sticking department 34 is contained in that described breach 26 and opening 110 communicate in the space that forms, at last, under the cooperation of holding slot and holding parts 29 guiding, block 4 passes between the operating portion 31 of button 3 and the base portion 32 and is sheathed on positioning sleeve front end 21.

As shown in Figure 4, when the lawn care instrument in normal operation, adjusting rod 13 cannot stretch and also cannot rotate, at this moment, described groove 27 is positioned on the locating slot 130, and both communicate on the direction perpendicular to adjusting rod 13, and described alignment pin 6 is contained in that locating slot 130 and groove 27 communicate and in the space that forms, and the bottom surface that is positioned at depressed part 36 the place aheads by main part 35 is pushed down, and this is first state of alignment pin 6; Simultaneously, described breach 26 axially communicates with opening 110, and sticking department 34 is contained in that described breach 26 and opening 110 communicate and in the space that forms, this is first state of sticking department 34.Because alignment pin 6 firmly is pressed in locating slot 130 and the groove 27 by main part 35, so adjusting rod 13 not flexibles.Because sticking department 34 locks together positioning sleeve 2 and handle 11, adjusting rod 13 also can not be with respect to handle 11 rotations again.

As shown in Figure 5, in the present embodiment, when promoting the top 31 of button 3 forward, on the one hand, flexible member 5 is compressed under the restriction of stopper section 25, and sticking department 34 is separated from that described breach 26 and opening 110 communicate and the space that forms, promptly from its first state to the second state, locking between positioning sleeve 2 and the handle 11 is disengaged, so the operator can rotate adjusting rod 13.The flexible rotation adjustment device that present embodiment disclosed is provided with three position of rotation, particularly, and three openings, 110 corresponding three position of rotation on the handle 11.Also be provided with the blocking part 111 that cooperates with the limiting section 28 of positioning sleeve 2 on the described handle 11, the angle that the effect of this fit structure is to limit the rotation adjusting rod prevents that power line from twining in 180 degree.When needs are adjusted the angle of work on hand head 12, the operator promotes the operating portion 31 of button forward, the adjusting rod 13 that turns clockwise then can forward second position to, be rotated counterclockwise adjusting rod 13 and can forward the 3rd position to, when no matter to forward second position to still be the 3rd position, limiting section 28 will touch blocking part 111, stopping of blocking part 111 makes adjusting rod 13 can not continue to rotate again, and this moment, breach 26 just axially communicated with second opening or the 3rd opening 110, under flexible member 5 effects, sticking department 34 gets back to that breach 26 communicates with opening 110 and in the space that forms, and is locked again between positioning sleeve 2 and the handle 11.

On the other hand, the depressed part 36 of button 3 moves on the alignment pin 6, alignment pin 6 is no longer pushed down by the bottom surface of main part 35, but be positioned at that described depressed part 36, groove 27 and locating slot 130 threes communicate and the free space that forms, because the volume of this free space is greater than the volume of alignment pin 6, so the operator also can stretch or shorten adjusting rod 13 in rotation adjusting rod 13.And when stretching or shortening adjusting rod 13, the locating slot 130 of accommodating described alignment pin 6 leaves the origin-location and no longer communicates with groove 27, the receiving space that alignment pin 6 loses original below will be moved upwards up to that groove 27 and depressed part 36 communicate and in the space that forms, promptly from its first state to the second state, be adjusted to the position that needs when adjusting rod 13, another locating slot 130 moves to the position that communicates with groove 27, alignment pin 6 falls back that groove 27 and locating slot 130 communicate and in the space that forms, unclamp knob 3 this moment, under flexible member 5 effects, main part 35 is positioned at the bottom surface in depressed part 36 the place aheads and pushes down alignment pin 6 again, and adjusting rod 13 is axially locked again.The front end of the depressed part 36 that present embodiment disclosed is provided with the inclined-plane, the front end of corresponding therewith locating slot 130 also is arranged to the inclined-plane, and the cooperation on two inclined-planes makes that when stretching or shorten adjusting rod 13 alignment pin 6 is easier and gets back to that groove 27 and locating slot 130 communicate and in the space that forms.

Of the present utility modelly focus on that a flexible rotation adjustment device is unified to be realized flexible and rotate two functions by being provided with on adjusting rod 13, stretch and rotate two functions and be not limited to finish simultaneously with an independent action.Particularly, when the sticking department 34 of button 3 during at second state, alignment pin 6 is not limited at second state.Such as, as long as distance is enough big between sticking department 34 and the alignment pin 6, promote button 3 forward, sticking department 34 is separated from that described breach 26 and opening 110 communicate and the space that forms, but alignment pin 6 is contained in still that locating slot 130 and groove 27 communicate in the space that forms, and pushed down, continue to promote forward button 3 by the bottom surface that main part 35 is positioned at depressed part 36 the place aheads, the depressed part 36 of button 3 just moves on the alignment pin 6, and alignment pin 6 just moves to second state.

Claims

1. lawn care instrument, comprise handle (11), adjusting rod (13) and flexible rotation adjustment device, it is characterized in that: described handle (11) is provided with at least two openings (110), and described adjusting rod (13) is provided with a plurality of locating slots (130), described flexible rotation adjustment device, it comprises:

Positioning sleeve (2), it is sheathed on the described adjusting rod (13), this positioning sleeve (2) is provided with chute (24), be positioned at the stopper section (25) of chute (24) front end and be positioned at the breach (26) of chute (24) rear end, further offers groove (27) on described chute (24);

Button (3), it is provided with base portion (32), this base portion (32) is housed in the described chute (24), its front end cooperates with described stopper section (25) by flexible member (5), the rear end is provided with the sticking department (34) that cooperates with described breach (26), its bottom surface is provided with depressed part (36), wherein said sticking department (34) has two states, be contained in that described breach (26) and opening (110) communicate and in the space that forms, be separated from described breach (26) and the common space that forms of opening (110) at the described sticking department of first state (34) at the described sticking department of second state (34); And

Alignment pin (6), have two states, be contained in that one of them locating slot (130) and described groove (27) communicate and in the space that forms at the described alignment pin of first state (6), and the bottom surface by button (3) is pushed down, and is contained in that described depressed part (36) and groove (27) communicate and in the space that forms at the described alignment pin of second state (6).

2. a kind of lawn care instrument as claimed in claim 1 is characterized in that: described sticking department (34) when first state described alignment pin (6) simultaneously also at first state.

3. a kind of lawn care instrument as claimed in claim 2 is characterized in that: described sticking department (34) when second state described alignment pin (6) simultaneously also at second state.

4. a kind of lawn care instrument as claimed in claim 1 is characterized in that: the front end of the front end of described depressed part (36) and described locating slot (130) is equipped with the inclined-plane, and two inclined-planes cooperatively interact.

5. a kind of lawn care instrument as claimed in claim 1 is characterized in that: described flexible rotation adjustment device also comprises block (4), and it is sheathed on the described positioning sleeve (2), and described flexible member (5) is covered.

6. a kind of lawn care instrument as claimed in claim 5, it is characterized in that: described positioning sleeve (2) is made up of positioning sleeve front end (21) and positioning sleeve rear end (22), this positioning sleeve front end (21) is contained in the described block (4), and this positioning sleeve rear end (22) is contained in the described handle (11).

7. a kind of lawn care instrument as claimed in claim 6 is characterized in that: described block (4) is provided with holding slot, and described positioning sleeve front end (21) is provided with holding parts (29), and this holding parts (29) is contained in the described holding slot.

8. a kind of lawn care instrument as claimed in claim 6 is characterized in that: described positioning sleeve rear end (22) also is provided with limiting section (28), and described handle (11) is provided with the blocking part (111) that cooperates with this limiting section (28).

9. a kind of lawn care instrument as claimed in claim 1 is characterized in that: described button (3) is provided with connecting portion (33) at the front end of its base portion (32), and described flexible member (5) is installed on this connecting portion (33).

10. a kind of lawn care instrument as claimed in claim 1 is characterized in that: described positioning sleeve (2) also is provided with guiding rib (23), and described adjusting rod (13) offers gathering sill (131), and described guiding rib (23) is contained in this gathering sill (131).