CN210694956U - Trigger self-locking structure of electric grass trimmer - Google Patents
Trigger self-locking structure of electric grass trimmer Download PDFInfo
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- CN210694956U CN210694956U CN201921823829.6U CN201921823829U CN210694956U CN 210694956 U CN210694956 U CN 210694956U CN 201921823829 U CN201921823829 U CN 201921823829U CN 210694956 U CN210694956 U CN 210694956U
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- pushing block
- operating rod
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Abstract
The utility model discloses a trigger self-locking structure of an electric grass mower, which comprises a shell, an operating rod, a trigger and a main circuit switch, wherein a lock catch is arranged in a holding part of the shell, the lock catch comprises a sliding ring, a pushing block and a limiting block, the sliding ring is sleeved on the operating rod, the pushing block is fixedly connected with the upper side of the sliding ring, a rectangular hole is arranged on the upper side of the shell, and the upper end of the pushing block extends out of the shell after passing through the rectangular hole; a spring seat is further arranged in the shell, a pressure spring is arranged between the spring seat and the pushing block, the limiting block is fixedly connected with the lower side of the sliding ring, a abdicating groove is formed in the upper side of the trigger, and when the pushing block is attached to the rear side of the rectangular hole, the limiting block is attached to the trigger; when the pushing block moves to be attached to the front side of the rectangular hole, the pushing block can be opposite to the abdicating groove. The utility model discloses can prevent effectively that trigger maloperation or mistake from pressing to guarantee the security of machine of beating grass at the transport or remove the in-process.
Description
Technical Field
The utility model relates to a grass trimmer technical field especially relates to an electronic grass trimmer trigger auto-lock structure.
Background
The grass trimmer is used as a portable garden tool, and is more and more widely and frequently applied along with the continuous enhancement of consciousness and requirements of people on vegetation ecology and urban gardens. The existing grass trimmer mainly comprises a shell, an operating rod, a grass trimming head, a trigger, a storage battery and a main circuit switch arranged in the shell, wherein the storage battery, the trigger and the main circuit switch are all arranged in the shell; the main circuit switch is closed by pressing the trigger, so that the grass cutting head is started to cut grass. However, since the trigger is usually located in the actual use process, especially in the process of carrying or moving the grass trimmer, the trigger is easy to be misoperated or pressed by mistake, so as to open the grass cutting head, and thus, the safety hazard is easy to be caused in the carrying or moving process.
SUMMERY OF THE UTILITY MODEL
The aforesaid that exists to prior art is not enough, the utility model aims to solve the problem that the quick-witted trigger of beating grass easily caused maloperation or mistake and pressed, provide an electronic quick-witted trigger auto-lock structure of beating grass, can prevent effectively that trigger maloperation or mistake from pressing to guarantee the security of beating grass machine at transport or removal in-process.
In order to solve the technical problem, the utility model discloses a technical scheme is like this: a trigger self-locking structure of an electric grass trimmer comprises a shell, an operating rod, a trigger and a main circuit switch, wherein a battery cavity is formed at the rear part of the shell, and a holding part is formed at the front part of the shell; one end of the operating rod extends into the holding part from the front end of the shell and is fixedly connected with the shell; the trigger is positioned in the holding part and below the operating rod, and the middle part of the trigger is rotationally connected with the shell through a rotating shaft; the main circuit switch adopts a button switch and comprises a pressing arm and a return spring, the pressing arm is arranged upwards, the main circuit switch is positioned below the front end of the trigger, the upper end of the pressing arm is attached to the front end of the trigger under the action of the return spring, the front end of the trigger is inclined upwards, and the rear end of the trigger is inclined downwards and extends out of the shell; the method is characterized in that:
a lock catch is also arranged in the holding part of the shell and comprises a sliding ring, a pushing block and a limiting block, and the sliding ring is sleeved on the operating rod and is positioned above the rear part of the trigger; the pushing block is fixedly connected with the upper side of the sliding ring, a rectangular hole is formed in the upper side of the shell, the length direction of the rectangular hole is consistent with the axial direction of the operating rod, and the upper end of the pushing block penetrates through the rectangular hole and then extends out of the shell; a spring seat is further arranged in the shell, the spring seat is positioned above the operating rod, is positioned on the front side of the rectangular hole and is opposite to the pushing block, a pressure spring is arranged between the spring seat and the pushing block, and the rear side of the pushing block is attached to the rear side of the rectangular hole under the action of the pressure spring; the limiting block is fixedly connected with the lower side of the sliding ring, the upper side of the trigger is provided with a abdicating groove, and the abdicating groove is positioned on one side of the rotating shaft, which is deviated from the main circuit switch; when the pushing block is attached to the rear side of the rectangular hole, the limiting block is staggered with the abdicating groove and is attached to the trigger; when the pushing block moves to be attached to the front side of the rectangular hole, the pushing block can be opposite to the abdicating groove, and the trigger can rotate around the rotating shaft.
Further, the operating rod is of a tubular structure.
Furthermore, one side of the part of the pushing block extending out of the shell and departing from the pressure spring is inwards sunken to form an arc shape.
Furthermore, at least two positioning columns are respectively arranged on the two opposite side walls of the shell and corresponding to the positions of the operating rod, positioning holes are formed in the parts, extending into the holding part, of the operating rod and corresponding to the positioning columns, and the positioning columns extend into the positioning holes and form tight fit with the positioning holes.
Furthermore, the depth of the abdicating groove is larger than the height of the limiting block.
Further, an upper portion of a rear side of the receding groove is inclined rearward.
Compared with the prior art, the utility model has the advantages of as follows: simple structure, processing is convenient, can effectively prevent trigger maloperation or mistake and press to guarantee the security of machine of beating grass at transport or removal in-process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along a-a of fig. 1.
FIG. 3 is a schematic view of the initial state of the lock and trigger.
FIG. 4 is a schematic view of the latch and trigger in use.
In the figure: the device comprises a shell, an operating rod, a trigger, a main circuit switch, a sliding ring, a pushing block, a limiting block, a spring seat, a pressure spring and a abdicating groove, wherein the shell is 1, the operating rod is 2, the trigger is 3, the main circuit switch is 4, the sliding ring is 5, the pushing block is 6, the limiting block is 7, the spring seat is 8.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b): referring to fig. 1-4, the trigger self-locking structure of the electric grass trimmer comprises a shell 1, an operating rod 2, a trigger 3 and a main circuit switch 4, wherein a battery cavity is formed at the rear part of the shell 1, and a holding part is formed at the front part of the shell. One end of the operating rod 2 extends into the holding part from the front end of the shell 1 and is fixedly connected with the shell 1; wherein, the operating rod 2 is a tubular structure so as to facilitate the passing of a lead and the installation of the grass cutting head. In the assembling process, at least two positioning columns are respectively arranged on the two opposite side walls of the shell 1 corresponding to the positions of the operating rod 2, positioning holes are formed in the parts, extending into the holding part, of the operating rod 2 corresponding to the positioning columns, and the positioning columns extend into the positioning holes and are in tight fit with the positioning holes; like this, can carry out axial and circumferential location to action bars 2 fast, effectively, make the overall stability of machine of beating grass better. The trigger 3 is positioned in the holding part and below the operating rod 2, and the middle part (close to the front end) of the trigger is rotationally connected with the shell 1 through a rotating shaft; for guaranteeing that trigger 3 can reset fast, still the cover is equipped with a torsional spring in this pivot, the one end and the 1 fixed connection of casing of torsional spring, the other end and trigger 3 fixed connection, under the effect of torsional spring, the front end tilt up rear end downward sloping of trigger 3. The main circuit switch 4 adopts a button switch, and comprises a pressing arm and a return spring, wherein the pressing arm is arranged upwards, the main circuit switch 4 is positioned below the front end of the trigger 3, the upper end of the pressing arm is attached to the front end of the trigger 3 under the action of the return spring, the front end of the trigger 3 is inclined upwards, and the rear end of the trigger is inclined downwards and extends out of the shell 1.
A lock catch is further arranged in the holding part of the shell 1, and the lock catch comprises a sliding ring 5, a pushing block 6 and a limiting block 7. The sliding ring 5 is sleeved on the operating rod 2, is positioned above the rear part of the trigger 3 and can freely slide along the operating rod 2. The pushing block 6 is fixedly connected with the upper side of the sliding ring 5, a rectangular hole is formed in the upper side of the shell 1, the length direction of the rectangular hole is consistent with the axial direction of the operating rod 2, and the upper end of the pushing block 6 penetrates through the rectangular hole and then extends out of the shell 1; one side of the part of the pushing block 6 extending out of the shell 1 and departing from the pressure spring 9 is inwards sunken to form an arc shape; like this, can effectively reduce the length of rectangular hole and guarantee sliding ring 5's displacement to be the arc design, also be more favorable to promoting the operation. A spring seat 8 is further arranged in the shell 1, the spring seat 8 is positioned above the operating rod 2, is positioned on the front side of the rectangular hole and is opposite to the pushing block 6, a pressure spring 9 is arranged between the spring seat 8 and the pushing block 6, and two ends of the pressure spring 9 are fixedly connected with the spring seat 8 and the pushing block 6 respectively; under the action of the pressure spring 9, the rear side of the pushing block is attached to the rear side of the rectangular hole. The limiting block 7 is fixedly connected with the lower side of the sliding ring 5, the upper side of the trigger 3 is provided with a abdicating groove 10, and the abdicating groove 10 is positioned on one side of the rotating shaft departing from the main circuit switch 4; in an initial state, when the pushing block 6 is attached to the rear side of the rectangular hole, the limiting block 7 and the abdicating groove 10 are staggered, and the lower side of the limiting block is attached to the trigger 3; when the pushing block 6 moves to be attached to the front side of the rectangular hole, the pushing block can be opposite to the abdicating groove 10, so that the trigger 3 can rotate around the rotating shaft. During specific implementation, the depth of the abdicating groove 10 is larger than the height of the limiting block 7, so that the trigger 3 is ensured to have enough rotational freedom. In order to facilitate quick reset of the trigger 3, the upper portion of the rear side of the abdicating groove 10 is inclined rearward, so that the stopper 7 is moved rearward under the action of the return spring, and the upper portion of the rear side of the abdicating groove 10 is inclined rearward, thereby enabling quick reset of the trigger 3.
This scheme is in the use, and initial condition because stopper 7's downside and the laminating of trigger 3, consequently can't press trigger 3 to guarantee that the machine of beating grass can not start because of maloperation or mistake are pressed, thereby improved the security of the machine of beating grass in use, removal or handling greatly. When grass is cut, the pushing block 6 needs to be pushed firstly, so that the pushing block 6 is attached to the front side of the rectangular hole, and the trigger 3 can be pressed only when the limiting block 7 is opposite to the abdicating groove 10; because the trigger 3 is always in a stressed and pressed state in the grass mowing process, the pushing block 6 does not need to be pushed continuously; when the grass mowing operation is finished, the trigger 3 is loosened, and the trigger 3 slowly rotates under the action of a return spring of the main circuit switch 4; meanwhile, the pressure spring 9 pushes the pushing block 6 to reset, and after the limiting block 7 is connected with the rear side of the abdicating groove 10, the resetting of the trigger 3 can be further accelerated until the limiting block 7 and the trigger 3 return to the initial state.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (6)
1. A trigger self-locking structure of an electric grass trimmer comprises a shell, an operating rod, a trigger and a main circuit switch, wherein a battery cavity is formed at the rear part of the shell, and a holding part is formed at the front part of the shell; one end of the operating rod extends into the holding part from the front end of the shell and is fixedly connected with the shell; the trigger is positioned in the holding part and below the operating rod, and the middle part of the trigger is rotationally connected with the shell through a rotating shaft; the main circuit switch adopts a button switch and comprises a pressing arm and a return spring, the pressing arm is arranged upwards, the main circuit switch is positioned below the front end of the trigger, the upper end of the pressing arm is attached to the front end of the trigger under the action of the return spring, the front end of the trigger is inclined upwards, and the rear end of the trigger is inclined downwards and extends out of the shell; the method is characterized in that:
a lock catch is also arranged in the holding part of the shell and comprises a sliding ring, a pushing block and a limiting block, and the sliding ring is sleeved on the operating rod and is positioned above the rear part of the trigger; the pushing block is fixedly connected with the upper side of the sliding ring, a rectangular hole is formed in the upper side of the shell, the length direction of the rectangular hole is consistent with the axial direction of the operating rod, and the upper end of the pushing block penetrates through the rectangular hole and then extends out of the shell; a spring seat is further arranged in the shell, the spring seat is positioned above the operating rod, is positioned on the front side of the rectangular hole and is opposite to the pushing block, a pressure spring is arranged between the spring seat and the pushing block, and the rear side of the pushing block is attached to the rear side of the rectangular hole under the action of the pressure spring; the limiting block is fixedly connected with the lower side of the sliding ring, the upper side of the trigger is provided with a abdicating groove, and the abdicating groove is positioned on one side of the rotating shaft, which is deviated from the main circuit switch; when the pushing block is attached to the rear side of the rectangular hole, the limiting block is staggered with the abdicating groove and is attached to the trigger; when the pushing block moves to be attached to the front side of the rectangular hole, the pushing block can be opposite to the abdicating groove, and the trigger can rotate around the rotating shaft.
2. The trigger self-locking structure of the electric grass trimmer according to claim 1, characterized in that: the operating rod is of a tubular structure.
3. The trigger self-locking structure of the electric grass trimmer according to claim 1, characterized in that: one side of the part of the pushing block extending out of the shell and departing from the pressure spring is inwards sunken to form an arc shape.
4. The trigger self-locking structure of the electric grass trimmer according to claim 1, characterized in that: at least two positioning columns are respectively arranged on the two opposite side walls of the shell and corresponding to the positions of the operating rod, positioning holes are formed in the parts, extending into the holding part, of the operating rod and corresponding to the positioning columns, and the positioning columns extend into the positioning holes and are in tight fit with the positioning holes.
5. The trigger self-locking structure of the electric grass trimmer according to claim 1, characterized in that: the depth of the abdicating groove is larger than the height of the limiting block.
6. The trigger self-locking structure of the electric grass trimmer according to claim 1, characterized in that: the upper part of the rear side of the abdicating groove is inclined backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823829.6U CN210694956U (en) | 2019-10-28 | 2019-10-28 | Trigger self-locking structure of electric grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823829.6U CN210694956U (en) | 2019-10-28 | 2019-10-28 | Trigger self-locking structure of electric grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210694956U true CN210694956U (en) | 2020-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921823829.6U Active CN210694956U (en) | 2019-10-28 | 2019-10-28 | Trigger self-locking structure of electric grass trimmer |
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| Country | Link |
|---|---|
| CN (1) | CN210694956U (en) |
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2019
- 2019-10-28 CN CN201921823829.6U patent/CN210694956U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 402283 B District, Luo Huang industrial park, Jiangjin District, Chongqing. Patentee after: Chongqing Weima New Energy Technology Co.,Ltd. Address before: 402283 B District, Luo Huang industrial park, Jiangjin District, Chongqing. Patentee before: CHONGQING WEIMA NEW ENERGY POWER EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230509 Address after: 402283 B District, Luo Huang industrial park, Jiangjin District, Chongqing. Patentee after: WEIMA AGRICULTURAL MACHINERY CO.,LTD. Address before: 402283 B District, Luo Huang industrial park, Jiangjin District, Chongqing. Patentee before: Chongqing Weima New Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |