CN208638995U - Lawnmower blade rapid installation device - Google Patents
Lawnmower blade rapid installation device Download PDFInfo
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- CN208638995U CN208638995U CN201820849373.XU CN201820849373U CN208638995U CN 208638995 U CN208638995 U CN 208638995U CN 201820849373 U CN201820849373 U CN 201820849373U CN 208638995 U CN208638995 U CN 208638995U
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- head
- retention bead
- key
- installation device
- blade assembly
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Abstract
The utility model discloses a kind of lawnmower blade rapid installation devices, including head and the blade assembly for being connected to head lower part, blade assembly includes lower case, limit sliding chutes are provided in lower case, head includes upper housing, the two sides of head are respectively arranged with the elastic button across upper housing, retention bead is provided on elastic button, retention bead passes outwards through upper housing and is clamped with limit sliding chutes, compared with prior art, the utility model connects head and blade assembly by retention bead, retention bead is connected on elastic button and moves jointly with elastic button, elastic button need to only be pressed, the i.e. controllable retention bead being connected on elastic button is flexible on head, and then control whether retention bead connects head and blade assembly, realize Fast Installation and fast quick-detach of the blade assembly on head, convenient for knife Replacement and maintenance time are saved in the replacement and maintenance of piece component.
Description
Technical field
The utility model belongs to grass trimmer field, and in particular to lawnmower blade rapid installation device.
Background technique
Currently, grass mower is that careless tool is cut in the common afforestation of one kind, structure is by a grass mower head mostly
It is mounted on the composition such as blade assembly of grass mower head bottom, with detachable in order to facilitate between blade assembly and grass mower head
Connection installation and guarantee that the mainshaft gear in grass mower head can be transferred to power is satisfactory on blade assembly, usually also
The accessories such as blade cover board, cam gear ring and blade fixed plate can be added to carry out the installation of blade assembly.However, when above-mentioned
After accessory increases, often will lead to the interconnection between several accessories cannot achieve Fast Installation and quickly tears open
It unloads, so that the replacement and maintenance to blade assembly bring very big inconvenience.
Utility model content
It is fast that technical problem to be solved in the utility model is just to provide a kind of convenient lawnmower blade of assembly or disassembly
Fast mounting device.
In order to solve the above technical problems, the utility model adopts the following technical solution: lawnmower blade rapid installation device,
Including head and the blade assembly for being connected to head lower part, blade assembly includes lower case, is provided with limit sliding chutes in lower case,
Head includes upper housing, and the two sides of head are respectively arranged with the elastic button across upper housing, limit is provided on elastic button
Protrusion, retention bead pass outwards through upper housing and are clamped with limit sliding chutes.
Further, upper housing includes outer cover and is connected to outer cover lower part to protrude into the intracorporal positioning plate of lower casing, positioning plate
The step for being formed between outer cover and being offseted at the top of lower case.
Further, it is provided with the guide protrusions for surrounding limit sliding chutes in lower case, is provided on positioning plate convex for being oriented to
Play the guide groove of sliding.
Further, the through-hole passed through for retention bead is provided on positioning plate, through-hole is located in guide groove.
Further, support plate is provided in head, the two sides of support plate are provided with guiding fixed column, elastic button packet
Include the elastic element being socketed in guiding fixed column and the key for being slidably connected at guiding fixed column end.
Further, the side of key towards guiding fixed column is provided with anti-rotation protrusion, is oriented to the end setting of fixed column
There are the anti-rotation groove for preventing key from rotating in guiding fixed column, anti-rotation protrusion and anti-rotation groove cooperation.
Further, positioning protrusion is provided on key, being provided in support plate prevents key to be detached from guiding fixed column
Limit hook, limit hook and positioning protrusion cooperate.
Further, the positioning runner for positioning protrusion sliding is provided on limit hook.
Further, blade assembly includes bottom plate, be arranged on bottom plate it is fluted, the bottom of head be provided with and groove cooperate
Convex ribs.
Further, there are two retention bead, two retention beads are located at the two sides of key for the lower part setting of key,
The free end of retention bead is provided with guiding surface, and the angle between guiding surface and the top surface of retention bead is less than 90 degree.
Compared with prior art, the utility model has the beneficial effects that
1, when head and blade assembly are installed, elastic button need to be only pressed, elastic button drives retention bead contracting
Into inside positioning plate, then pushes down on head or push up blade assembly, so that the lower part of upper housing is protruded into lower case,
Then the hand for pressing head two-side elastic button is unclamped, housing direction is mobile upwards under the elastic force effect of spring for elastic button,
With key, upward housing direction movement, retention bead pass through upper housing and protrude into the retention bead being connected on elastic button jointly
In limit sliding chutes, head and upper housing are installed.When needing to dismantle head and upper housing, the key of head two sides is pressed,
So that retention bead is retracted inside positioning plate with key, head can be pulled up or pull downward on blade assembly.By head and
Blade assembly separation.Head is connected by retention bead and blade assembly, retention bead are connected on elastic button and with elasticity
Button moves jointly, need to only press elastic button, i.e., controllable retention bead the stretching on head being connected on elastic button
Contracting, and then control whether retention bead connects head and blade assembly, realize Fast Installation of the blade assembly on head
Replacement and maintenance time are saved with fast quick-detach convenient for the replacement and maintenance of blade assembly.
2, when assembling head and blade assembly, if the top of lower case offsets with step, upper housing and lower case dress are indicated
With finishing, plays the role of assembly positioning and prevent head and blade assembly from relatively moving.
3, when head and blade assembly are installed, by the guiding on the guide groove alignment lower case inner wall on positioning plate
Then protrusion pushes down on head or pushes up blade assembly, so that guide protrusions are convex to being oriented to along guide groove upward sliding
Rise top and guide groove at the top of offset, indicate upper housing and lower case assembly finish, the cooperation of guide groove and guide protrusions
So that head and blade assembly when being assembled, realize rapid alignment, convenient for the quick assembling of head and blade assembly, assembly
Afterwards, the side wall of guide protrusions and guide groove offsets, and prevents head and blade assembly from the displacement in horizontal direction occurs, guarantees assembly
Precision.
4, guiding fixed column provides the track of sliding to the key of elastic button, so that elastic button remains at one
The track of a fixation is moved, and when preventing from pressing elastic button, elastic button is because unbalance stress shifts, so that elastic
Button is directed at the fixation position of upper housing always, guarantees the stability of elastic button.
5, anti-rotation protrusion is connected in anti-rotation groove, prevents elastic button from rotating in guiding fixed column, guarantee is connected to bullet
Retention bead on property button is directed at limit sliding chutes always.
6, under the elastic force effect of spring, the both ends of the positioning protrusion on key and the end of limit hook offset, limit
Grab prevents key to be detached from guiding fixed column under the effect of elasticity.
7, when head and blade assembly are in assembled state, convex ribs are clamped in a groove, pass through the card of convex ribs and groove
It connects, the displacement dislocation occurred on circumferencial direction when reducing gear cooperation improves assembly precision.
8, the angle between guiding surface and the top surface of retention bead is less than 90 degree, guiding surface downward so that limit convex
When rising across through-hole, without being directed at through-hole completely in the vertical direction, there is a certain error for permission, passes through convenient for retention bead
Through-hole on upper housing.
Compared with prior art, the utility model connects head and blade assembly, retention bead connection by retention bead
It is moved jointly on elastic button and with elastic button, only need to press elastic button, i.e., it is controllable to be connected on elastic button
Retention bead is flexible on head, and then controls whether retention bead connects head and blade assembly, realizes set of blades
Fast Installation and fast quick-detach of the part on head save replacement and maintenance time convenient for the replacement and maintenance of blade assembly.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and detailed description:
Fig. 1 is the schematic diagram of head and blade assembly；
Fig. 2 is the explosive view of the utility model lawnmower blade rapid installation device；
Fig. 3 is the schematic diagram of head；
Fig. 4 is the schematic diagram of blade assembly；
Fig. 5 is the assembling schematic diagram of elastic button and support plate；
Fig. 6 is the schematic diagram of support plate；
Fig. 7 is the schematic diagram of key.
Wherein: 1, blade assembly；11, blade；12, bottom plate；121, groove；13, lower case；131, guide protrusions；132,
Limit sliding chutes；14, spline tooth wheel rim；2, head；21, upper housing；211, outer cover；212, positioning plate；213, limit plate；2131,
Convex ribs；22, drive motor；23, spline gear；24, output shaft；3, support plate；31, it is oriented to fixed column；311, anti-rotation groove；32,
Limit hook；33, positioning runner；4, elastic button；41, key；411, positioning protrusion；412, retention bead；42, elasticity member
Part；5, guide groove；6, through-hole；7, button hole.
Specific embodiment
The embodiment of the utility model lawnmower blade rapid installation device is described further referring to Figure 1 to Figure 7.
Lawnmower blade rapid installation device, including head 2 and the blade assembly 1 for being connected to 2 lower part of head, 2 He of head
1 grafting of blade assembly.Blade assembly 1 includes blade 11, bottom plate 12, lower case 13 and the spline tooth wheel rim 14 for driving blade 11,
Blade 11 is connected on bottom plate 12, and there are four the limit sliding chutes surrounded by guide protrusions 131 for setting on the inner sidewall of lower case 13
132.Head 2 includes upper housing 21, the spline tooth that upper housing 21 is internally provided with drive motor 22, cooperates with spline tooth wheel rim 14
Wheel 23, the output shaft 24 for driving spline tooth wheel rim 14 to rotate and support plate 3, drive motor 22 and spline gear 23 are located at
The two sides up and down of support plate 3, drive motor 22 drive output shaft 24 to rotate by transmission mechanism, and output shaft 24 drives spline gear
23 rotations, spline gear 23 drive spline tooth wheel rim 14 to rotate, and spline tooth wheel rim 14 drives blade 11 to mow.
Upper housing 21 is wrapped in the outer cover 211 on 3 top of drive motor 22, spline gear 23 and support plate, further includes
It is wrapped in the positioning plate 212 and limit plate 213 of 3 lower part of drive motor 22, spline gear 23 and support plate, positioning plate 212 connects
In the lower section of outer cover 211, limit plate 213 is connected to the lower section of positioning plate 212,213 shape of outer cover 211, positioning plate 212 and limit plate
At holding drive 22, the cavity of spline gear 23 and support plate 3, between the outer wall of positioning plate 212 and the outer wall of outer cover 211
The step towards lower case 13 is formed, positioning plate 212 protrudes into lower case 13, and top and the step of lower case 13 offset, assembly
When upper housing 21 and lower case 13, when top and the step of lower case 13 offset, expression upper housing 21 and lower case 13 have been assembled
Finish, plays the role of assembly positioning.
The two sides of support plate 3 are horizontally disposed guiding fixed column 31, is oriented in fixed column 31 and is socketed with elastic button 4,
Elastic button 4 include be socketed in guiding fixed column 31 on elastic element 42 and be slidably connected at guiding 31 end of fixed column by
Key 41, elastic element 42 are spring, and the side of guiding fixed column 31 is provided with anti-rotation groove 311 and makes the section for being oriented to fixed column 31
In " ten " font, the side of key 41 and the guiding socket of fixed column 31 is provided with anti-rotation protrusion, and anti-rotation protrusion and anti-rotation groove 311 are matched
It closes, prevents key 41 from rotating in guiding fixed column, the two sides of two guiding fixed columns 31 are provided with limit hook 32, limit
Limiting slot is provided on grab 32.
The section of key 41 is rounded, and there are two retention bead 412, two retention beads 412 for the lower part setting of key 41
The two sides of key 41 are located at, one end that retention bead 412 is connected with key 41 is fixing end, retention bead 412 and freedom
Holding the opposite other end is free end, and the free end of retention bead 412 is provided with guiding surface, guiding surface and retention bead
Less than 90 degree, guiding surface downward, when so that retention bead 412 passing through through-hole 6, is not necessarily to perpendicular angle between 412 top surface
Histogram is directed at through-hole 6 fully up, and there is a certain error for permission, passes through through-hole 6 convenient for retention bead 412.On key 41 also
It is provided with positioning protrusion 411, positioning protrusion 411 is located on the curved surface of key 41, and the both ends of positioning protrusion 411 are located at limit
In slot.It is provided with the button hole 7 passed through for key 41 on upper housing 21, is provided on positioning plate 212 and is slided for guide protrusions 131
Guide groove 5, be provided with the through-hole 6 passed through for retention bead 412 on positioning plate 212, through-hole 6 is located in guide groove 5.
Convex when head 2 and blade assembly 1 are in assembled state, under the elastic force effect of spring, on key 41
It plays 411 both ends and the end of limit hook 32 offsets, limit hook 32 prevents key 41 to be detached from fixed guide under the effect of elasticity
Fixed column 31, retention bead 412 passes through guide groove 5 and protrudes into limit sliding chutes 132, the top surface of retention bead 412 and limit at this time
The bottom surface of the guide protrusions 131 on 132 top of sliding slot offsets, and head 2 and blade assembly 1 are connected to one by retention bead 412 at this time
It rises, guarantees the firmness that head 2 and blade assembly 1 connect.
When head 2 and blade assembly 1 are installed, only finger need to be passed through the depresses button into head 2 of button hole 7
41, key 41 is mobile to 3 direction of support plate, and 41 push the spring of key is shunk, and retention bead 412 is retracted positioning plate by through-hole 6
Inside 212, the guide groove 5 on positioning plate 212 is then directed at the guide protrusions 131 on 13 inner wall of lower case, is then pushed down on
Motivation head 2 pushes up blade assembly 1, so that guide protrusions 131 are along 5 upward sliding of guide groove to the top of guide protrusions 131
Portion and the top of guide groove 5 offset, and the top of lower case 13 offsets with step at this time, then unclamp and press 2 two sides key of head
41 hand, key 41 are slided in the elastic force effect lower edge guiding fixed column 31 of spring, the retention bead 412 being connected on key 41
Jointly mobile to 21 direction of upper housing with key 41, retention bead 412 passes through through-hole 6 and protrudes into limit sliding chutes 132, presses at this time
Positioning protrusion 411 on key 41 is slided along positioning runner 33, and when positioning protrusion 411 offsets with limit hook 32, key 41 stops
It only moves, head 2 and upper housing 21 install.
When needing to dismantle head 2 and upper housing 21, the key 41 of 2 two sides of head is pressed, so that retention bead 412 is with pressing
Key 41 is retracted inside positioning plate 212, can be pulled up head 2 or be pulled downward on blade assembly 1.By head 2 and blade assembly 1
Separation.
Connect head 2 and blade assembly 1 by retention bead 412, retention bead 412 be connected on elastic button 4 and with
Elastic button 4 is jointly mobile, need to only press elastic button 4, i.e., the controllable retention bead 412 being connected on elastic button 4 exists
It is flexible on head 2, and then control whether retention bead 412 connects head 2 and blade assembly 1, realize that blade assembly 1 exists
Fast Installation and fast quick-detach on head 2 save replacement and maintenance time convenient for the replacement and maintenance of blade assembly 1.
Blade assembly 1 further includes bottom plate 12, and there are two grooves 121, two grooves 121 to be located at bottom for setting on bottom plate 12
Plate 12 is not towards the two sides of limit sliding chutes 132, and there are two convex with the cooperation of groove 121 for the bottom setting of the limit plate 213 of head 2
Muscle 2131, when head 2 and blade assembly 1 are in assembled state, convex ribs 2131 are connected in groove 121, pass through convex ribs
2131 and groove 121 clamping, reduce gear cooperation when circumferencial direction on occur displacement dislocation, improve assembly precision.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. lawnmower blade rapid installation device, including head and the blade assembly for being connected to head lower part, it is characterised in that: institute
Stating blade assembly includes lower case, and limit sliding chutes are provided in lower case, and the head includes upper housing, the two sides of the head
It is respectively arranged with the elastic button across upper housing, retention bead is provided on elastic button, retention bead passes outwards through upper casing
Body is simultaneously clamped with limit sliding chutes.
2. lawnmower blade rapid installation device according to claim 1, it is characterised in that: the upper housing includes outer cover
The top with lower case is formed with outer cover lower part is connected to protrude into the intracorporal positioning plate of lower casing, between the positioning plate and outer cover
The step to offset.
3. lawnmower blade rapid installation device according to claim 2, it is characterised in that: be provided in the lower case
The guide protrusions of limit sliding chutes are surrounded, the guide groove for guide protrusions sliding is provided on the positioning plate.
4. lawnmower blade rapid installation device according to claim 3, it is characterised in that: be provided on the positioning plate
For the through-hole that retention bead passes through, the through-hole is located in guide groove.
5. lawnmower blade rapid installation device according to any one of claims 1 to 4, it is characterised in that: the machine
Support plate is provided in head, the two sides of support plate are provided with guiding fixed column, and the elastic button includes being socketed in fixed guide
Elastic element on fixed column and the key for being slidably connected at guiding fixed column end.
6. lawnmower blade rapid installation device according to claim 5, it is characterised in that: the key is towards fixed guide
The side of fixed column is provided with anti-rotation protrusion, and the end of the guiding fixed column, which is provided with, prevents key from rotating in guiding fixed column
Anti-rotation groove, the anti-rotation protrusion and anti-rotation groove cooperation.
7. lawnmower blade rapid installation device according to claim 5, it is characterised in that: it is fixed to be provided on the key
Position is raised, and the limit hook for preventing key to be detached from guiding fixed column, limit hook and positioning protrusion are provided in the support plate
Cooperation.
8. lawnmower blade rapid installation device according to claim 7, it is characterised in that: be arranged on the limit hook
There is the positioning runner for positioning protrusion sliding.
9. lawnmower blade rapid installation device according to claim 1, it is characterised in that: the blade assembly includes bottom
Plate, is arranged on bottom plate fluted, and the bottom of the head is provided with the convex ribs with groove cooperation.
10. lawnmower blade rapid installation device according to claim 5, it is characterised in that: the lower part of the key is set
It sets there are two retention bead, two retention beads are located at the two sides of key, and the free end of the retention bead, which is provided with, leads
To inclined-plane, the angle between guiding surface and the top surface of retention bead is less than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849373.XU CN208638995U (en) | 2018-06-01 | 2018-06-01 | Lawnmower blade rapid installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849373.XU CN208638995U (en) | 2018-06-01 | 2018-06-01 | Lawnmower blade rapid installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638995U true CN208638995U (en) | 2019-03-26 |
Family
ID=65779558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849373.XU Active CN208638995U (en) | 2018-06-01 | 2018-06-01 | Lawnmower blade rapid installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108702916A (en) * | 2018-06-01 | 2018-10-26 | 浙江亚特电器有限公司 | Lawnmower blade rapid installation device |
-
2018
- 2018-06-01 CN CN201820849373.XU patent/CN208638995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108702916A (en) * | 2018-06-01 | 2018-10-26 | 浙江亚特电器有限公司 | Lawnmower blade rapid installation device |
| CN108702916B (en) * | 2018-06-01 | 2023-09-05 | 浙江亚特电器股份有限公司 | Quick mounting device for blade of lawnmower |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |