CN212184038U - Tool head quick-change structure and rake loosening machine - Google Patents
Tool head quick-change structure and rake loosening machine Download PDFInfo
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- CN212184038U CN212184038U CN202020138099.2U CN202020138099U CN212184038U CN 212184038 U CN212184038 U CN 212184038U CN 202020138099 U CN202020138099 U CN 202020138099U CN 212184038 U CN212184038 U CN 212184038U
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- change structure
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- limiting
- rotating shaft
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Abstract
The utility model discloses a quick change structure of a tool head and a rake loosening machine, relating to the technical field of rake loosening machines, which comprises a base, wherein a limiting seat used for limiting the end part of the tool head is arranged on the base, and the limiting seat is provided with an opening; the baffle piece is movably arranged on one side of the base with the opening and is locked and unlocked through a locking structure so that the baffle piece can close or open the opening. The utility model discloses a quick change structure of tool head, which can conveniently disassemble and replace the tool head and has simple structure; the utility model discloses provide a loose harrow machine that possesses above-mentioned instrument head quick change structure simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the quick-witted technique of pine harrow and specifically relates to a tool head quick change structure and quick-witted of pine harrow.
Background
The loosening and harrowing machine is a commonly used garden tool machine, is mainly used for loosening soil and harrowing grass, generally can dispose the working head of special loosening soil cutter and harrowing cutter etc. according to the working needs, optionally install loosening soil cutter or harrowing cutter, when the installation is changed the cutter, generally need install the cutter on the main engine body with the help of the instrument, for example instrument such as spanner, screwdriver, change, installation cutter is comparatively troublesome.
Based on the above problems, the existing device needs to integrate the chuck, the bump, and the integrated detachable structure of the locking pin, the connecting pin and the spring at the two ends of the tool head, and the tool head is still inconvenient to install and detach and has the technical defect of complicated structure.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model discloses an above-mentioned defect to prior art existence especially provides a tool head quick change structure and pine harrow machine, solves current tool head and can not change in a flexible way, and the defect that the structure is complicated, the utility model discloses the pine harrow machine that has aforementioned tool head quick change structure has been proposed simultaneously.
Second, technical scheme
In order to solve the above technical problem, a tool bit quick change structure includes:
the tool comprises a base, a tool head and a tool body, wherein a limiting seat used for limiting the end part of the tool head is arranged on the base and provided with an opening;
the baffle piece is movably arranged on one side of the base with the opening and is locked and unlocked through a locking structure so that the baffle piece can close or open the opening.
Wherein, the locking structure includes:
the rotating shaft is arranged at the bottom of the baffle piece, a shaft hole matched with the rotating shaft is correspondingly arranged on the base, the rotating shaft is rotatably arranged in the shaft hole and is provided with a part extending out of the shaft hole, and the rotating shaft can be displaced from a first position to a second position along the shaft hole in the vertical direction;
the spring is sleeved on the outer periphery of the part of the rotating shaft extending out of the shaft hole, one end of the spring abuts against the bottom wall of the base, and the other end of the spring abuts against the rotating shaft;
the baffle piece is provided with a lock catch piece, and the corresponding base is provided with a lock opening matched with the lock catch piece;
when the rotating shaft is located at the first position, the locking fastener is located in the locking opening, and when the rotating shaft is located at the second position, the locking fastener is separated from the locking opening.
The lock catch piece comprises a first limiting protrusion arranged at the bottom of the baffle piece, and a first limiting groove matched with the first limiting protrusion is correspondingly arranged on the base.
The first limiting bulges are provided with two groups, and the two groups of first limiting bulges are respectively arranged at the two end parts of the bottom of the baffle piece.
Wherein the first limit projection and the baffle member are integrally formed.
The lock catch piece comprises a second limiting protrusion protruding towards one side at the top of the baffle piece, and a second limiting groove matched with the second limiting protrusion is correspondingly arranged on the base.
Wherein the second limit projection and the baffle member are integrally formed.
The rotating shaft comprises a check ring fixedly arranged at one end of the rotating shaft, and the other end of the spring abuts against the check ring.
The utility model discloses provide a pine harrow machine simultaneously, include:
a rake loosening machine main body;
according to the tool head quick-change structure, the tool head quick-change structure is arranged at the bottom of the harrow loosening machine body at intervals and coaxially;
the tool head comprises mounting seats arranged at two ends of the tool head, and the mounting seats are limited in the limiting seats of the tool head quick-change structures by baffle pieces of the tool head quick-change structures.
Wherein, the mount pad has the tip that is the arc.
Third, beneficial effect
Compared with the prior art, the quick change structure of the tool head of the utility model has the advantages that the tool head can be quickly disassembled and assembled through the arrangement of the baffle piece and the locking structure, and the quick change structure has the characteristic of simple structure; the utility model discloses provide a loose harrow machine that possesses above-mentioned instrument head quick change structure simultaneously for instrument head on the loose harrow machine can quick assembly disassembly, and the operator of being convenient for uses.
Drawings
Fig. 1 is a perspective view of a quick-change structure of a tool bit of the present invention;
fig. 2 is an exploded view of a quick-change structure of a tool bit according to the present invention;
fig. 3 is a perspective view of the raking and loosening machine of the utility model;
FIG. 4 is a schematic view of a quick-change tool bit structure and a tool bit;
FIG. 5 is an exploded view of a tool bit quick-change structure and a tool bit;
fig. 6 is a side view of the mount.
In the figure: 1 is a base; 2 is a baffle piece; 3 is a spring; 4 is a locking fastener; 6 is a retainer ring; 7 is a main body of the loosening and harrowing machine; 8 is a mounting seat; 10 is a limiting seat; 11 is a first limit groove; 12 is a second limit groove; 20 is a rotating shaft; 40 is a first limit bulge; 41 is a second limit bulge; and 70 is a tool head.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1:
referring to fig. 1 to 2, in the present embodiment, a quick-change structure for a tool bit is disclosed, which includes:
the tool comprises a base 1, wherein a limiting seat 10 for limiting the end part of a tool head is arranged on the base 1, and the limiting seat 10 is provided with an opening; a barrier member 2 is movably provided at one side of the base 1 having the opening, and the barrier member 2 is locked and unlocked by a locking structure so that it can close or open the opening.
In the structure, the opening of the limiting seat can be opened by unlocking the locking mechanism of the baffle piece, the end part of the tool head can slide in along the opening at the moment, then the baffle piece is closed, and then the locking mechanism is locked, and at the moment, the end part of the tool head can be firmly limited in the opening of the limiting seat by the baffle piece, so that the tool head is installed. Otherwise, the locking mechanism of the baffle piece is unlocked, the opening of the limiting seat is opened, and the end part of the tool head slides out along the opening to finish the disassembly of the tool head. Therefore, the installation and the disassembly are very convenient.
The locking structure includes: the rotating shaft 20 is arranged at the bottom of the baffle piece 2, a shaft hole matched with the rotating shaft 20 is correspondingly arranged on the base 1, the rotating shaft 20 is rotatably arranged in the shaft hole and is provided with a part extending out of the shaft hole, and the rotating shaft 20 can be displaced from a first position to a second position along the shaft hole in the vertical direction;
the spring 3 is sleeved on the periphery of the part of the rotating shaft 20 extending out of the shaft hole, one end of the spring 3 abuts against the bottom wall of the base 1, and the other end of the spring 3 abuts against the rotating shaft 20;
the baffle piece 2 is provided with a locking fastener 4, and the base 1 is correspondingly provided with a locking notch matched with the locking fastener 4;
when the rotating shaft 20 is located at the first position, the locking element 4 is located in the locking opening, and when the rotating shaft 20 is located at the second position, the locking element 4 is separated from the locking opening.
In the structure, when the end part of the tool head is limited in the limiting seat 10 on the base 1, the rotating shaft 20 of the baffle piece 2 is located at the first position, the locking piece 4 is located in the locking opening at the moment, and the end part of the tool head cannot be separated from the limiting seat 10 under the blocking of the baffle piece 2; when the tool head needs to be disassembled, the baffle piece is operated until the rotating shaft fixed below the baffle piece is located at the second position, meanwhile, the spring 3 is stressed and compressed, the locking piece 4 is separated from the locking opening, then the baffle piece 2 is rotated for a certain angle, the opening of the limiting seat 10 can be opened, and at the moment, the end part of the tool head can slide out along the opening of the limiting seat 10; when a new tool head is installed after the finished tool head is disassembled, the end part of the new tool head only needs to slide into the limiting seat along the opening of the limiting seat 10, then the baffle piece 2 rotates reversely for the same angle, at the moment, under the action force of the spring 3, the baffle piece resets from the second position to the first position, the locking piece 4 is kept to enter the locking opening, and at the moment, the opening of the limiting seat 10 is sealed by the baffle piece 2. In the structure, the whole tool head quick-change structure can be integrated on the whole machine, the structure does not need to be integrated at the two ends of the tool head, the convenience for assembling and disassembling the tool head is greatly improved, and the structure is simple.
The locking fastener 4 comprises a first limiting bulge 40 arranged at the bottom of the baffle piece 2, and a first limiting groove 11 matched with the first limiting bulge 40 is correspondingly arranged on the base 1. The locking fastener 4 further comprises a second limiting bulge 41 which is protruded towards one side at the top of the baffle piece 2, and a second limiting groove 12 which is matched with the second limiting bulge 41 is correspondingly arranged on the base. In this embodiment, since the first and second limit projections are provided on the upper and lower sides of the barrier member 2, when the barrier member 2 is located at the lock position to close the opening, it can be ensured that it is firmly limited at the lock position.
More preferably, two sets of the first limiting protrusions 40 are provided, and the two sets of the first limiting protrusions 40 are respectively provided at two end positions of the bottom of the baffle member 2. To facilitate better bottom retention of the barrier members. The first and second stop projections 40, 41 are each integrally formed with the barrier member to facilitate the manufacture and manufacture of the entire barrier member.
The rotating shaft 20 includes a retainer ring 6 fixedly disposed at one end thereof, and the other end of the spring 3 abuts against the retainer ring 6.
Example 2:
referring to fig. 3 to 6, the present embodiment discloses a raker comprising a raker body 7; a tool head quick-change structure as described in the foregoing is arranged at the bottom of the harrow body 7, the tool head quick-change structure is arranged at intervals and coaxially, the harrow body 7 further comprises a tool head 70, the tool head 70 comprises mounting seats 8 arranged at two ends of the tool head, and the mounting seats 8 are limited in limiting seats 10 of the tool head quick-change structure.
In the present embodiment, the mounting seat 8 has an arc-shaped end portion, and the arc-shaped end portion can easily slide into the limiting seat along the opening of the limiting seat 10 without interference; and after the limiting seat is matched, the arc-shaped end part and the side wall of the limiting seat have larger contact area, so that the limiting seat and the arc-shaped end part are more tightly matched.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A tool bit quick-change structure, characterized in that, tool bit quick-change structure includes:
the tool comprises a base (1), wherein a limiting seat (10) used for limiting the end part of a tool head is arranged on the base (1), and the limiting seat (10) is provided with an opening;
the base (1) is provided with a baffle piece (2) movably arranged on one side with an opening, and the baffle piece (2) is locked and unlocked through a locking structure so that the baffle piece can close or open the opening.
2. A quick-change structure for tool bits as claimed in claim 1, wherein: the locking structure includes:
a rotating shaft (20) arranged at the bottom of the baffle piece (2), a corresponding shaft hole matched with the rotating shaft (20) is arranged on the base (1), the rotating shaft (20) is rotatably arranged in the shaft hole and is provided with a part extending out of the shaft hole, and the rotating shaft (20) can be displaced from a first position to a second position along the shaft hole in the vertical direction;
the spring (3) is sleeved on the outer periphery of the part, extending out of the shaft hole, of the rotating shaft (20), one end of the spring (3) abuts against the bottom wall of the base (1), and the other end of the spring (3) abuts against the rotating shaft (20);
the baffle plate piece (2) is provided with a locking piece (4), and the base (1) is correspondingly provided with a locking notch matched with the locking piece (4);
when the rotating shaft (20) is located at the first position, the locking part (4) is located in the locking opening, and when the rotating shaft (20) is located at the second position, the locking part (4) is separated from the locking opening.
3. A quick-change structure for tool bits as claimed in claim 2, wherein: the locking fastener (4) comprises a first limiting bulge (40) arranged at the bottom of the baffle piece (2), and a first limiting groove (11) matched with the first limiting bulge (40) is correspondingly arranged on the base (1).
4. A quick-change structure for tool bits as claimed in claim 3, wherein: the first limiting bulges (40) are arranged in two groups, and the two groups of the first limiting bulges (40) are respectively arranged at the two end parts of the bottom of the baffle piece (2).
5. The quick-change structure of the tool head as claimed in claim 4, wherein: the first limiting bulge (40) and the baffle piece (2) are integrally formed.
6. A quick-change structure for tool bits as claimed in claim 2, wherein: the lock catch piece (4) comprises a second limiting bulge (41) which protrudes to one side at the top of the baffle piece (2), and a second limiting groove (12) which is matched with the second limiting bulge (41) is correspondingly arranged on the base (1).
7. A tool bit quick-change structure as claimed in claim 6, wherein: the second limiting bulge (41) and the baffle piece (2) are integrally formed.
8. A quick-change structure for tool bits as claimed in claim 2, wherein: the rotating shaft (20) comprises a check ring (6) fixedly arranged at one end of the rotating shaft, and the other end of the spring (3) is abutted against the check ring (6).
9. A raker, comprising:
a harrow loosening machine main body (7);
a tool head quick-change structure as claimed in any one of claims 1 to 8, spaced and coaxially arranged at the bottom of the raker body (7);
the tool head (70) comprises mounting seats (8) arranged at two ends of the tool head (70), and the mounting seats (8) are limited in limiting seats (10) of the tool head quick-change structure by baffle pieces of the tool head quick-change structure.
10. A raker as claimed in claim 9, wherein: the mounting seat (8) is provided with an arc-shaped end part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020138099.2U CN212184038U (en) | 2020-01-21 | 2020-01-21 | Tool head quick-change structure and rake loosening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020138099.2U CN212184038U (en) | 2020-01-21 | 2020-01-21 | Tool head quick-change structure and rake loosening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212184038U true CN212184038U (en) | 2020-12-22 |
Family
ID=73811060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020138099.2U Active CN212184038U (en) | 2020-01-21 | 2020-01-21 | Tool head quick-change structure and rake loosening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212184038U (en) |
-
2020
- 2020-01-21 CN CN202020138099.2U patent/CN212184038U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 315000 No. 255, Kesheng Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. Address before: 398 Longtan Road, Fenghua District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |