CN210120765U - Grass raker convenient for quick-change of working head - Google Patents
Grass raker convenient for quick-change of working head Download PDFInfo
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- CN210120765U CN210120765U CN201822067125.2U CN201822067125U CN210120765U CN 210120765 U CN210120765 U CN 210120765U CN 201822067125 U CN201822067125 U CN 201822067125U CN 210120765 U CN210120765 U CN 210120765U
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- working head
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Abstract
The utility model relates to a grass raking machine convenient to quick change working head belongs to the garden instrument field, including the body, the body includes casing subassembly and handle subassembly, and casing subassembly includes the chassis, sets up the working head in the chassis, sets up the drive assembly who is used for driving the working head work in chassis one side, the transmission assembly who is connected with drive assembly to and set up the quick change device that is used for the quick change working head at the chassis opposite side. When the working head is disassembled, the working head can be directly taken out from the transmission assembly by rotating the quick-change device; when the working head is installed, the working head is installed on the transmission assembly, and then the quick-change device is installed, so that the installation of the working head is completed; the working heads such as a grass raking cutter, a soil loosening cutter and the like can be conveniently replaced; the broken branches and grass scraps on the ground are wound on the working head, the working head is quickly disassembled through the quick change device, the sundries on the working head can be conveniently removed, the use is safe, and the time and labor are saved in operation.
Description
Technical Field
The utility model relates to a garden instrument, concretely relates to grass raking machine convenient to quick change working head.
Background
The grass raker is a commonly used garden tool, and generally has two working heads of a grass raking cutter and a soil loosening cutter, and a user changes the working heads to rake grass or loosen soil according to working requirements.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is exactly to provide a grass raking machine of the quick change working head of being convenient for, solve among the prior art problem that the working head is inconvenient to change.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the grass raking machine convenient for quickly changing the working head comprises a body, wherein the body comprises a machine shell assembly and a handle assembly, the machine shell assembly comprises a base plate, the working head is arranged in the base plate, a driving assembly is arranged on one side of the base plate and used for driving the working head to work, a transmission assembly is connected with the driving assembly, and a quick-change device is arranged on the other side of the base plate and used for quickly changing the working head.
By adopting the technical scheme, when the working head is disassembled, the quick-change device is rotated, and the working head can be directly taken out of the transmission assembly; when the working head is installed, the working head is installed on the transmission assembly, and then the quick-change device is installed, so that the installation of the working head is completed; the two working heads of the grass raking cutter and the soil loosening cutter are convenient to replace, so that grass raking or soil loosening is realized; the broken branches and grass scraps on the ground are wound on the working head, the working head is quickly disassembled through the quick change device, the sundries on the working head can be conveniently cleared, the sundries are conveniently cleaned, and the device is convenient to install, time-saving and labor-saving.
Preferably, the quick-change device comprises a quick-change mounting plate detachably arranged on the chassis, a mounting groove formed in the quick-change mounting plate, a quick-change knob movably arranged in the mounting groove, and a self-locking assembly arranged between the mounting groove and the quick-change knob.
By adopting the technical scheme, when the working head is disassembled, the quick-change knob is rotated to rotate the pointing direction from the CLOSE position to the OPEN position, and the working head can be directly taken out of the transmission assembly after the quick-change knob is taken out; when the working head is installed, the working head is installed in the transmission assembly, the quick-change knob is taken and placed in the installation groove, the quick-change knob is rotated to rotate the pointing direction from the OPEN position to the CLOSE position, and then the installation of the working head is completed.
Preferably, the self-locking assembly comprises two arc-shaped guide blocks which are symmetrically arranged in the mounting groove and two locking blocks which are symmetrically arranged on the side wall of the quick-change knob, and the arc-shaped guide blocks are arranged end to end in a discontinuous mode through two disengaging openings.
Through adopting above-mentioned technical scheme, the quick change knob inserts and deviates from the mounting groove through taking off the mouth, and the bottom surface and the locking piece top surface butt of arc guide block make the quick change knob rotate along the arc guide block, and the arc guide block has direction and limiting displacement to the locking piece, and during the installation, the locking piece correspondence with the quick change knob takes off the mouth and inserts the mounting groove, and during the dismantlement, the contrarotation quick change knob makes the locking piece deviate from in taking off the mouth, accomplishes the dismantlement, operation labour saving and time saving.
Preferably, one end of the arc-shaped guide block is provided with a stop block, the stop block is perpendicular to the arc-shaped guide block and extends along the bottom of the mounting groove, one end of the arc-shaped guide block, which is close to the stop block, is provided with an arc-shaped convex block, and the arc-shaped convex block is arranged towards the bottom of the mounting groove; and the locking block is provided with an arc-shaped groove matched with the arc-shaped convex block.
By adopting the technical scheme, the quick-change knob is installed and disassembled through the notch, during installation, the locking piece of the quick-change knob is inserted into the installation groove corresponding to the notch, the quick-change knob is rotated, the bottom surface of the arc-shaped guide block is abutted against the top surface of the locking piece, so that the quick-change knob is rotated along the arc-shaped guide block, the blocking block plays a role in blocking and connecting the locking piece, and the arc-shaped convex block is matched with the arc-shaped groove to realize locking, so that the quick-change knob is firmly installed in the installation groove; during the dismantlement, the quick change knob of reverse rotation makes the arc lug rotate out from the arc recess, realizes the unblock to continue to rotate the quick change knob, make the locking piece rotate to taking off the mouth and deviate from in taking off the mouth, accomplish the dismantlement, operation labour saving and time saving.
Preferably, the bottom of the quick-change knob is concentrically provided with a first lantern ring and a second lantern ring, the heights of the first lantern ring and the second lantern ring are distributed in a step mode, and a space between the first lantern ring and the second lantern ring forms a limiting groove.
Through adopting above-mentioned technical scheme, the spacing groove plays limiting displacement to the third bearing, and the second lantern ring plays limiting displacement to the installation axle of working head.
Preferably, the transmission assembly is provided with a clamping assembly for movably clamping the working head.
Through adopting above-mentioned technical scheme, be connected the drive through joint subassembly and drive assembly, to the harm of drive assembly when reducing the installation and dismantling, improve drive assembly's life.
Preferably, the clamping assembly comprises a clamping piece, a first bearing and a second bearing which are arranged on the clamping piece, and an elastic piece which elastically clamps the clamping piece on the transmission assembly.
By adopting the technical scheme, when the quick-change knob is arranged in the mounting groove, the mounting shaft on the working head is inserted on the clamping piece, the elastic piece is extruded and compressed, so that the clamping piece is connected with the working head and the transmission assembly; when the quick-change knob is disassembled, the elastic piece is pushed out under the action of restoring force, the quick-change knob can be pulled out and plugged forcibly without manpower, and the disassembly is time-saving and labor-saving in operation.
Preferably, the clamping piece comprises a first clamping portion and a second clamping portion, an inserting port is formed in the end portion of the first clamping portion, and a key groove is formed in the outer side wall of the second clamping portion.
By adopting the technical scheme, the interface is connected with the mounting shaft of the working head, and the interface adopts a non-circular structure to position the mounting shaft of the working head; the fixing pin is inserted into the key groove and used for connecting and fixing the transmission assembly, so that the occupied space is small, the connection is stable, and the transmission effect is good.
To sum up, the utility model has the advantages that:
when the working head is disassembled, the quick-change knob is rotated to rotate the pointing direction from the CLOSE position to the OPEN position, and the working head can be directly taken out of the transmission assembly after the quick-change knob is taken out; when the working head is installed, the working head is installed into the transmission assembly, the quick-change knob is taken and placed into the installation groove, the quick-change knob is rotated to rotate the pointing direction from the OPEN position to the CLOSE position, the installation of the working head is completed, the working head is convenient to detach and change quickly, the grass raking or soil loosening is realized, and the operation is convenient and convenient; when broken branches, grass scraps and the like are wound on the working head, the working head is quickly disassembled through the quick change device, the sundries on the working head can be conveniently removed, the sundries are conveniently cleaned, and the device is convenient to install, time-saving and labor-saving.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a chassis assembly in the present invention;
fig. 3 is an exploded view of the housing assembly of the present invention;
fig. 4 is a schematic structural view of the quick-change assembly of the present invention;
FIG. 5 is a schematic structural view of the arc-shaped guide block of the present invention;
fig. 6 is a schematic structural view of a quick-change knob according to the present invention;
FIG. 7 is a schematic view of the connection between the quick-change knob and the working head of the present invention;
fig. 8 is a schematic structural view of the clamping assembly of the present invention;
fig. 9 is a schematic structural view of the fastening member of the present invention.
Reference numerals:
1. a housing assembly; 2. a handle assembly; 3. a chassis; 4. a working head; 5. a drive assembly; 6. a transmission assembly; 7. a quick-change device; 71. mounting plates are quickly replaced; 72. mounting grooves; 73. quickly replacing a knob; 731. a first collar; 732. a second collar; 733. a limiting groove; 74. a self-locking assembly; 741. an arc-shaped guide block; 742. a locking block; 743. removing the opening; 744. a blocking block; 745. an arc-shaped bump; 746. an arc-shaped groove; 8. a clamping assembly; 81. a clamping piece; 811. a first clamping part; 812. a second clamping part; 813. an interface; 814. a keyway; 82. a first bearing; 83. a second bearing; 84. an elastic member; 9. and a third bearing.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and explained below with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9 of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments.
Example (b):
a grass raking machine convenient for quickly changing working heads comprises a body, wherein the body comprises a machine shell assembly 1 and a handle assembly 2, the machine shell assembly 1 comprises a base plate 3, the working heads 4 arranged in the base plate 3, a driving assembly 5 arranged on one side of the base plate 3 and used for driving the working heads 4 to work, a transmission assembly 6 connected with the driving assembly 5, and a quick-change device 7 arranged on the other side of the base plate 3 and used for quickly changing the working heads 4.
As shown in fig. 4, the quick-change device 7 includes a quick-change mounting plate 71 detachably disposed on the chassis 3, a mounting groove 72 opened on the quick-change mounting plate 71, a quick-change knob 73 movably disposed in the mounting groove 72, and a self-locking assembly 74 disposed between the mounting groove 72 and the quick-change knob 73, and two marks "CLOSE" and "OPEN" are respectively disposed on the quick-change mounting plate 71 and on the periphery side of the mounting groove 72.
Specifically, when the working head 4 is disassembled, the quick-change knob 73 is rotated to rotate from "CLOSE" to "OPEN" in the pointing direction, and after the quick-change knob 73 is taken out, the working head 4 can be directly taken out of the transmission assembly 6; when the working head 4 is installed, the working head 4 is installed into the transmission assembly 6, the quick-change knob 73 is taken and placed into the installation groove 72, the quick-change knob 73 is rotated to rotate the pointing direction from the OPEN position to the CLOSE position, and then the installation of the working head 4 is completed.
As shown in fig. 5 and 6, the self-locking assembly 74 includes two arc-shaped guide blocks 741 symmetrically disposed in the mounting groove 72, and two locking blocks 742 symmetrically disposed on the side wall of the quick-change knob 73, wherein the two arc-shaped guide blocks 741 are disposed end to end intermittently through two release openings 743.
The quick-change knob 73 is inserted into or pulled out of the mounting groove 72 through the release 743, the bottom surface of the arc-shaped guide block 741 is abutted against the top surface of the lock block 742, so that the quick-change knob 73 rotates along the arc-shaped guide block 741, the arc-shaped guide block 741 has guiding and limiting effects on the lock block 742, and during mounting, the lock block 742 of the quick-change knob 73 is inserted into the mounting groove 72 corresponding to the release 743; during disassembly, the quick-change knob 73 is rotated in the reverse direction to disengage the lock 742 from the release 743.
One end of the arc-shaped guide block 741 is provided with a stop block 744, the stop block 744 is perpendicular to the arc-shaped guide block 741 and extends along the bottom of the installation groove 72, one end of the arc-shaped guide block 741 close to the stop block 744 is provided with an arc-shaped projection 745, and the arc-shaped projection 745 is arranged towards the bottom of the installation groove 72; an arc-shaped groove 746 matched with the arc-shaped projection 745 is arranged on the locking block 742; the blocking block 744 plays a role in blocking and connecting the locking block 742, and the arc-shaped projection 745 is matched with the arc-shaped groove 746 to realize locking, so that the quick-change knob 73 is firmly installed in the installation groove 72; during disassembly, the quick-change knob 73 is rotated reversely to enable the arc-shaped projection 745 to rotate out of the arc-shaped groove 746, so that unlocking is achieved, the quick-change knob 73 is continuously rotated to enable the lock block 742 to rotate to the position of the disengaging port 743 and disengage from the disengaging port 743, disassembly is completed, and time and labor are saved during operation.
As shown in fig. 7, a first collar 731 and a second collar 732 are concentrically arranged at the bottom of the quick-change knob 73, the heights of the first collar 731 and the second collar 732 are distributed in a step shape, and a space between the first collar 731 and the second collar 732 forms a limiting groove 733; the limiting groove 733 limits the third bearing 9, and the second collar 732 limits the mounting shaft of the working head 4.
As shown in fig. 8, the transmission assembly 6 is provided with a clamping assembly 8 for movably clamping the working head 4; be connected the drive through joint subassembly 8 and drive assembly 6, reduce the harm to drive assembly 6 when installation and dismantlement, improve drive assembly 6's life.
The clamping assembly 8 comprises a clamping member 81, a first bearing 82 and a second bearing 83 which are arranged on the clamping member 81, and an elastic member 84 which elastically clamps the clamping member 81 on the transmission assembly 6.
When the quick-change knob 73 is installed in the installation groove 72, the installation shaft on the working head 4 is inserted into the clamping piece 81, the elastic piece 84 is extruded, and the elastic piece 84 is compressed, so that the clamping piece 81 is connected with the working head 4 and the transmission assembly 6; during disassembly, the elastic piece 84 pushes the quick-change knob 73 outwards under the action of restoring force, the quick-change knob 73 can be detached without being plugged and pulled forcefully manually, and the operation is time-saving and labor-saving.
As shown in fig. 9, the locking member 81 includes a first locking portion 811 and a second locking portion 812, the end of the first locking portion 811 is provided with a plug-in hole 813, the outer sidewall of the second locking portion 812 is provided with a key groove 814, and a plurality of limiting protrusions 815 are arranged at equal intervals in the circumferential direction of the first locking portion 811.
The socket 813 is connected with the mounting shaft of the working head 4, and the socket 813 adopts a non-circular structure to position the mounting shaft of the working head 4; the fixing pin is inserted into the key groove 814 and used for connecting and fixing the transmission assembly 6, so that the occupied space is small, the connection is stable, and the transmission effect is good.
It is above only the utility model discloses an optimal implementation mode, the utility model discloses a scope of protection is not only limited to here, the utility model discloses other implementation modes in addition, the all belongs to the utility model discloses technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be pointed out that any modification that does not depart from the functional and structural principles of the invention shall fall within the scope of the invention as defined by the appended claims.
Claims (6)
1. Grass raker convenient to quick change working head, including the body, the body includes casing subassembly and handle subassembly, its characterized in that: the shell component comprises a chassis, a working head arranged in the chassis, a driving component arranged on one side of the chassis and used for driving the working head to work, a transmission component connected with the driving component, and a quick-change device arranged on the other side of the chassis and used for quickly changing the working head;
the quick-change device comprises a quick-change mounting plate detachably arranged on the chassis, a mounting groove formed in the quick-change mounting plate, a quick-change knob movably arranged in the mounting groove, and a self-locking assembly arranged between the mounting groove and the quick-change knob;
the auto-lock subassembly is including two arc guide blocks of symmetry setting in the mounting groove to and two locking pieces of symmetry setting on quick change lock button lateral wall, two arc guide block is the head and the tail is interrupted the setting through two breaks off the mouthful respectively.
2. A grass raking machine facilitating quick change of a working head as claimed in claim 1, wherein: a blocking block is arranged at one end of the arc-shaped guide block, the blocking block is perpendicular to the arc-shaped guide block and extends along the bottom of the mounting groove, an arc-shaped convex block is arranged at one end, close to the blocking block, of the arc-shaped guide block, and the arc-shaped convex block is arranged towards the bottom of the mounting groove; and the locking block is provided with an arc-shaped groove matched with the arc-shaped convex block.
3. A grass raking machine facilitating quick change of a working head as claimed in claim 1, wherein: the quick-change lock button is characterized in that a first sleeve ring and a second sleeve ring are concentrically arranged at the bottom of the quick-change lock button, the heights of the first sleeve ring and the second sleeve ring are distributed in a stepped mode, and a space between the first sleeve ring and the second sleeve ring forms a limiting groove.
4. A grass raking machine facilitating quick change of a working head as claimed in claim 1, wherein: the transmission assembly is provided with a clamping assembly for movably clamping the working head.
5. A grass raker facilitating quick change of a working head as claimed in claim 4, wherein: the clamping assembly comprises a clamping piece, a first bearing and a second bearing which are arranged on the clamping piece, and an elastic piece which elastically clamps the clamping piece on the transmission assembly.
6. A grass raker facilitating quick change of a working head as claimed in claim 5, wherein: the joint spare includes first joint portion and second joint portion, first joint portion tip is equipped with the interface, it has the keyway to open on the lateral wall of second joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067125.2U CN210120765U (en) | 2018-12-10 | 2018-12-10 | Grass raker convenient for quick-change of working head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067125.2U CN210120765U (en) | 2018-12-10 | 2018-12-10 | Grass raker convenient for quick-change of working head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210120765U true CN210120765U (en) | 2020-03-03 |
Family
ID=69631828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822067125.2U Active CN210120765U (en) | 2018-12-10 | 2018-12-10 | Grass raker convenient for quick-change of working head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210120765U (en) |
-
2018
- 2018-12-10 CN CN201822067125.2U patent/CN210120765U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
|
| CP03 | Change of name, title or address |