CN201243489Y - Mechanism for quickly changing working head of garden tool - Google Patents
Mechanism for quickly changing working head of garden tool Download PDFInfo
- Publication number
- CN201243489Y CN201243489Y CNU2008201627867U CN200820162786U CN201243489Y CN 201243489 Y CN201243489 Y CN 201243489Y CN U2008201627867 U CNU2008201627867 U CN U2008201627867U CN 200820162786 U CN200820162786 U CN 200820162786U CN 201243489 Y CN201243489 Y CN 201243489Y
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- Prior art keywords
- rotating shaft
- sliding sleeve
- working head
- heart
- dop
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Abstract
A work head quick changing mechanism of garden tools comprises a stand (7) and a rotating shaft (1) which is used for fixing a work head (2) on the stand (7), wherein the rotating shaft (1) is rotatably arranged on the stand (7). The mechanism is characterized in that two rotary concentric spindles (6) are arranged on the stand (7) that is arranged at two sides of the rotating shaft (1); and two ends of the rotating shaft (1) are arranged on respective concentric spindle (6) in a detachable way. The utility model has the advantages that the rotary concentric spindles (6) are arranged on the stand (7) that is arranged at two sides of the rotating shaft (1), and two ends of the rotating shaft (1) are arranged on respective concentric spindle (6) in a detachable way, so when the work head needs to replace, the rotating shaft (1) can directly escape from the concentric spindles (6) and the rotating shaft (1) with the changed work head can be directly clamped in grooves of the concentric spindles (6) by drawing gears. The utility model is very convenient for work head changing, has skillful and reasonable structure and is very practical.
Description
Technical field
The utility model relates to the Working head quick-changing mechanism technical field of garden instruments such as loosenning tiller, mower and grass rake mechine.
Background technology
Existing a kind of patent No. has proposed a kind of structure for the Chinese utility model patent that the CN200720112871.8 name is called " loosenning tiller ", its structure includes frame, road wheel, push rod and the cutter head that loosens the soil, described push rod is fixed on the frame, and the cutter head that loosens the soil is arranged under the frame rotationally, described road wheel is arranged in the rotating shaft rotationally, it is characterized in that described road wheel can be arranged at the push rod bottom with rotating shaft with spinning upside down.Compared with prior art, but the advantage of this utility model is the free adjustment bearing height, play the free adjustment of operation and walking, easy and convenient, reliable and stable, and after road wheel flips an angle, can play the effect of restraint of labour speed, make work more steady, avoid human error and cause the accident.But its shortcoming is, change trouble of loosenning tiller cutter head, the dismounting that is its two end supports portion is pretty troublesome, in the time will changing cutter head, need rotating shaft be unclamped from the attaching parts of frame by instrument and pull down, then with the rotating shaft after changing, again use instrument again and be fixed on the attaching parts of frame, so operation is wasted time and energy, and is very inconvenient, so its structure awaits to improve.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of to design ingenious, rational in infrastructure and change the working head Working head quick-changing mechanism of garden instrument very easily at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the Working head quick-changing mechanism of this garden instrument, the rotating shaft that includes mechanism rack and working head is fixed thereon, described rotating shaft is arranged on the mechanism rack rotationally, it is characterized in that: be respectively arranged with the rotating axle that connects with one heart on the mechanism rack that is positioned at the rotating shaft both sides, its two ends of described rotating shaft are that dismountable type is arranged at connecing on the axle with one heart separately.
As improvement, described dismountable type structure is: on an end that connects axle with one heart radially and end opening ground be provided with draw-in groove, and, between dop and draw-in groove, be provided with the device that dop can be locked in the draw-in groove at the setting of the end of rotating shaft and the draw-in groove dop of clamping mutually.
Improve again, the structure optimization of described device during dop is locked in is: axially be equipped with sliding sleeve slidably in the rotating shaft outer rim that is positioned at the dop place, and this sliding sleeve also can be placed on the end outer rim that connects axle with one heart axially slidably, when dop and draw-in groove were fastened togather, described sliding sleeve can automatically be placed on the outer rim that connects axle with one heart.
Improve again, the structure choice that described sliding sleeve can automatically be placed on the outer rim that connects axle with one heart is: be equipped with spring in the rotating shaft that is arranged in the sliding sleeve inner chamber, one end of this spring and the diapire of sliding sleeve be apical grafting mutually, and the other end of this spring contacts mutually with the block that is fixed in roller end.
Improve, described block is established the annular cover piece of vestibule in being again, an end of described spring promptly contacts on the bottom surface in annular cover piece vestibule, and described sliding sleeve can endwisely slip and is placed on the outer edge surface of annular cover piece.
Improve again, convex with on its outer rim of described sliding sleeve and can conveniently pull the convex annular edge that sliding sleeve is in axial sliding.
Compared with prior art, advantage of the present utility model is to adopt and is respectively arranged with the rotating axle that connects with one heart on the mechanism rack that is positioned at the rotating shaft both sides, and being dismountable type, the two ends of rotating shaft are arranged at connecing with one heart on the axle separately, when needs are changed the working head of different working heads or transposing damage, do not need by instrument, promptly just rotating shaft directly can be taken off from connecing the axle with one heart with hand, and the rotating shaft behind the replacing good berth head, pulling sliding sleeve with hand can retighten on concentric joint, change very convenient, this structural design is ingenious reasonable again, and a maintenance and a maintenance work quick-changing mechanism are extremely convenient, and work ratio power can be increased to more than 50 times.
Description of drawings
Fig. 1 is the structural upright exploded view of the utility model embodiment;
Fig. 2 is that Fig. 1 assembles the back and sliding sleeve is locked in structural representation in the draw-in groove with the rotating shaft dop;
Fig. 3 is the structural representation that Fig. 1 assembles back sliding sleeve non-locking rotating shaft dop;
Fig. 4 is the enlarged drawing of I portion among Fig. 1;
Fig. 5 is along the cutaway view of E-E line among Fig. 2;
Fig. 6 is along the cutaway view of F-F line among Fig. 3.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Extremely shown in Figure 6 as Fig. 1, present embodiment is the Working head quick-changing mechanism in the grass rake mechine in the garden instrument, the drive mechanism of the concrete walking structure of this grass rake mechine and drive road wheel 8 is a prior art, here no longer is described in detail, and particular content can be with reference to prior art.And its Working head quick-changing mechanism, the rotating shaft 1 that includes mechanism rack 7 and working head 2 is fixed thereon, described rotating shaft 1 is arranged on the mechanism rack 7 rotationally.On the mechanism rack 7 that is positioned at rotating shaft 1 both sides, be respectively arranged with the rotating axle 6 that connects with one heart, the two ends of rotating shaft 1 be dismountable type be arranged at separately connect with one heart the axle 6 on, this dismountable type structure is: connect with one heart on axle 6 the end radially and an end opening be provided with draw-in groove 61, and be provided with in the end of rotating shaft 1 and draw-in groove 61 dop 11 of clamping mutually, between dop 11 and draw-in groove 61, be provided with the device that dop 11 can be locked in the draw-in groove 61.The structure of this device is: axially be equipped with sliding sleeve 5 slidably in rotating shaft 1 outer rim that is positioned at dop 11 places, and this sliding sleeve 5 also can be placed on the end outer rim that connects axle 6 with one heart axially slidably, when dop 11 and draw-in groove 61 were fastened togather, described sliding sleeve 5 can automatically be placed on the outer rim that connects axle 6 with one heart.The structure that this sliding sleeve 5 can automatically be placed on the outer rim that connects axle 6 with one heart is: be equipped with spring 4 in the rotating shaft 1 that is arranged in sliding sleeve 5 inner chambers, one end of this spring 4 and the diapire 52 of sliding sleeve 5 be apical grafting mutually, and the other end of this spring 4 contacts mutually with the block that is fixed in rotating shaft 1 end, this block is established the annular cover piece 3 of vestibule in being, and an end of spring 4 promptly contacts on the bottom surface 31 in annular cover piece 3 vestibules, and sliding sleeve 5 can endwisely slip and be placed on the outer edge surface of annular cover piece 3, can conveniently pull convex annular that sliding sleeve 5 is in axial sliding along 51 and also convex with on the outer rim of sliding sleeve 5.
The operation of Working head quick-changing mechanism of the present utility model is as follows:
At first, with hand sliding sleeve 5 is slided vertically to annular cover piece 3, sliding sleeve 5 is skidded off from the outer rim that connects axle with one heart, meanwhile, another connects axle operation too with one heart, at this moment, exert oneself again the dop of rotating shaft is spurred to the peristome that connects a draw-in groove with one heart, the dop of rotating shaft is extracted from the draw-in groove that connects axle with one heart, it is replaceable working head, and after working head is changed, incite somebody to action again sliding sleeve with hand to move axially to the outer edge surface of annular cover piece 3, make the both sides dop of rotating shaft insert in the draw-in groove respectively, then sliding sleeve is decontroled, sliding sleeve makes things convenient for so operate ten usefulness because the effect of spring is placed on the outer rim that connects axle with one heart automatically and dop is locked in the draw-in groove that connects axle with one heart, flexibly, be a kind of very practical structure.
Rotating shaft of the present utility model is meant a kind of assembly axle, promptly can install and fix multiple working head, as after installing the working head of the cutter that loosens the soil, working machine promptly becomes loosenning tiller, and after installing the working head of rake toothed burclover, just become grass rake mechine, and after the mowing cutter head is installed in rotating shaft, can become mower.As long as two of rotating shaft can be inserted in the draw-in groove that connects axle with one heart, so, be a kind of multi-functional rotating shaft, made things convenient for use effectively.
Claims (6)
1, a kind of Working head quick-changing mechanism of garden instrument, the rotating shaft (1) that includes mechanism rack (7) and working head (2) is fixed thereon, described rotating shaft (1) is arranged on the mechanism rack (7) rotationally, it is characterized in that: on the mechanism rack (7) that is positioned at rotating shaft (1) both sides, be respectively arranged with rotating connect with one heart the axle (6), its two ends of described rotating shaft (1) be dismountable type be arranged at separately connect with one heart the axle (6) on.
2, the Working head quick-changing mechanism of garden instrument according to claim 1, it is characterized in that: described dismountable type structure is: on an end that connects axle (6) with one heart radially and an end opening be provided with draw-in groove (61), and be provided with in the end of rotating shaft (1) and draw-in groove (61) dop of clamping (11) mutually, between dop (11) and draw-in groove (61), be provided with the device that dop (11) can be locked in the draw-in groove (61).
3, the Working head quick-changing mechanism of garden instrument according to claim 2, the described structure that dop (11) is locked in the device in (61) is: axially be equipped with sliding sleeve (5) slidably being positioned at rotating shaft (1) outer rim that dop (11) locates, and this sliding sleeve (5) also can be placed on the end outer rim that connects axle (6) with one heart axially slidably, when dop (11) and draw-in groove (61) when being fastened togather, described sliding sleeve (5) can automatically be placed on the outer rim that connects axle (6) with one heart.
4, the Working head quick-changing mechanism of garden instrument according to claim 3, it is characterized in that: the structure that described sliding sleeve (5) can automatically be placed on the outer rim that connects axle (6) with one heart is: be equipped with spring (4) in the rotating shaft (1) that is arranged in sliding sleeve (5) inner chamber, the diapire (52) of one end of this spring (4) and sliding sleeve (5) is apical grafting mutually, and the other end of this spring (4) contacts mutually with the block that is fixed in rotating shaft (1) end.
5, the Working head quick-changing mechanism of garden instrument according to claim 4, it is characterized in that: described block is established the annular cover piece (3) of vestibule in being, one end of described spring (4) promptly contacts on the bottom surface (31) in annular cover piece (3) vestibule, and described sliding sleeve (5) can endwisely slip and is placed on annular and overlaps on the outer edge surface of piece (3).
6, according to the Working head quick-changing mechanism of claim 3 or 4 or 5 described garden instruments, it is characterized in that: convex with on its outer rim of described sliding sleeve (5) and can conveniently pull the convex annular edge (51) that sliding sleeve (5) is in axial sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201627867U CN201243489Y (en) | 2008-08-14 | 2008-08-14 | Mechanism for quickly changing working head of garden tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201627867U CN201243489Y (en) | 2008-08-14 | 2008-08-14 | Mechanism for quickly changing working head of garden tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201243489Y true CN201243489Y (en) | 2009-05-27 |
Family
ID=40727303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201627867U Expired - Lifetime CN201243489Y (en) | 2008-08-14 | 2008-08-14 | Mechanism for quickly changing working head of garden tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201243489Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947316A (en) * | 2014-04-29 | 2014-07-30 | 江苏苏美达五金工具有限公司 | Quick work head replacement mechanism of machine tool |
| DE202013010073U1 (en) | 2013-11-06 | 2014-09-08 | Andrew Manson Lau | drive system |
| CN114938726A (en) * | 2022-06-14 | 2022-08-26 | 宁波爱乐吉电动工具股份有限公司 | Quick-release mechanism for working head of garden tool |
-
2008
- 2008-08-14 CN CNU2008201627867U patent/CN201243489Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202013010073U1 (en) | 2013-11-06 | 2014-09-08 | Andrew Manson Lau | drive system |
| WO2015067365A3 (en) * | 2013-11-06 | 2015-07-23 | Andrew Manson Lau | Drive system |
| CN103947316A (en) * | 2014-04-29 | 2014-07-30 | 江苏苏美达五金工具有限公司 | Quick work head replacement mechanism of machine tool |
| CN114938726A (en) * | 2022-06-14 | 2022-08-26 | 宁波爱乐吉电动工具股份有限公司 | Quick-release mechanism for working head of garden tool |
| CN114938726B (en) * | 2022-06-14 | 2024-04-05 | 宁波爱乐吉电动工具股份有限公司 | Working head quick-dismantling mechanism of garden tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090527 Effective date of abandoning: 20080814 |