CN216253985U - Scram subassembly and lawn mower of lawn mower - Google Patents
Scram subassembly and lawn mower of lawn mower Download PDFInfo
- Publication number
- CN216253985U CN216253985U CN202122976931.3U CN202122976931U CN216253985U CN 216253985 U CN216253985 U CN 216253985U CN 202122976931 U CN202122976931 U CN 202122976931U CN 216253985 U CN216253985 U CN 216253985U
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- emergency stop
- scram
- button
- switch
- pcb
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The utility model discloses an emergency stop component of a mower, which comprises: the emergency stop component is arranged on the mower, the mower comprises a shell, a PCB, a base and an upper cover, the PCB is arranged in the shell, the upper cover is arranged at an opening of the shell, the base is arranged between the PCB and the upper cover, and a through groove is formed in the base; the scram subassembly includes: the emergency stop button is arranged on the upper cover; the key rod penetrates through the through groove and can move along the axial direction of the through groove; the emergency stop switch is arranged on the PCB and is electrically connected with the PCB; the trigger comprises a fixed end and a movable end, the fixed end is connected with the emergency stop switch, and the movable end can be in contact with the key rod and the emergency stop switch. By adopting the utility model, the adverse risk of manual welding of the lead and the condition of terminal plugging failure can be avoided, and the utility model has the advantages of simple assembly and convenient operation, and can improve the production efficiency.
Description
Technical Field
The utility model relates to the field of mowers, in particular to an emergency stop component of a mower and the mower.
Background
The mower is a mechanical tool for trimming lawns and vegetations, wherein the blade cuts weeds by utilizing the high-speed rotation of the engine, so that the operation time of weeders is saved, a large amount of human resources are reduced, but the mower often has emergencies in the use process, causes machine damage and serious casualties.
The emergency stop switch of the mower is particularly important, when an emergency occurs, people can take protective measures by quickly pressing the button, but the emergency stop switch of the existing mower is often conducted through a sensor and then connected to a controller on a PCB through a wire to work, the wire is connected with the controller on the PCB, and when the emergency stop switch of the mower is connected, people and property loss is caused because manual welding is poor or a terminal end is used for a long time to insert and pull out and lose efficacy in the production process, and emergency stop cannot be performed under the emergency.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is to provide an emergency stop component of a mower and the mower, which can avoid the adverse risk of manual welding of a lead and the situation of terminal plugging and unplugging failure, and have the advantages of simple assembly and convenient operation, and can improve the production efficiency.
The utility model provides an emergency stop component of a mower, which is arranged on the mower, wherein the mower comprises a shell, a PCB (printed circuit board), a base and an upper cover, the PCB is arranged in the shell, the upper cover is arranged at an opening of the shell, the base is arranged between the PCB and the upper cover, and a through groove is formed in the base; the scram assembly includes:
the emergency stop button is arranged on the upper cover;
the key rod penetrates through the through groove and can move along the axial direction of the through groove;
the emergency stop switch is arranged on the PCB and is electrically connected with the PCB;
the trigger, the trigger includes stiff end and expansion end, the stiff end with emergency stop switch connects, the expansion end can with press the key pole with the contact of emergency stop switch.
In a feasible implementation, the key rod includes a main rod and an elastic part, the elastic part is connected with the main rod, the lower end of the main rod passes through the through groove on the base, and the upper end of the main rod is abutted to the emergency stop button.
In a feasible implementation manner, a mounting groove is further formed on the base around the periphery of the through groove;
the elastic component includes deformation portion and supporting part, the one end of deformation portion is connected mobile jib, the other end stretch into the mounting groove, the supporting part is connected the outside of deformation portion is connected to the support is in the groove of mounting groove is followed last.
In a possible implementation manner, a first gap is formed between the lower end of the deformation part and the bottom of the installation groove.
In one possible implementation, the elastic member is a rubber member.
In a possible implementation manner, the fixed end of the trigger is welded with the emergency stop switch, and the movable end of the trigger is located between the emergency stop switch and the key rod.
In one possible implementation, the emergency stop switch has a switch button, the movable end of the trigger is located between the switch button and the key lever, and a second gap is formed between the movable end and the switch button;
when the emergency stop button is pressed, the key rod transmits the pressing force from the emergency stop button to the movable end so that the movable end presses the switch button;
and under the condition that the scram button is not pressed, the movable end of the trigger is not contacted with the switch button.
In a possible implementation manner, the movement stroke of the key rod in the through groove is not less than the second clearance; the emergency stop button is provided with a bulge which is in contact with the key rod, and the emergency stop button is made of elastic materials.
In one possible implementation, the active end of the trigger forms a shape that arches toward the key lever.
A second aspect of the utility model provides a lawnmower comprising the scram assembly of the lawnmower of the first aspect.
The implementation of the utility model has the following beneficial effects:
according to the scram assembly of the mower and the mower, the scram switch is directly arranged on the PCB, and force acting on the scram button is transmitted to the scram switch through the key rod, so that the switch control is realized. According to the scheme, the emergency stop switch is directly connected with the PCB, so that the phenomenon that the PCB is connected by using a lead is avoided, the adverse risk of manually welding the lead and the condition that the terminal is plugged and pulled out to be invalid are avoided, and meanwhile, the emergency stop switch has the advantages of being simple in assembly and convenient to operate, and the production efficiency can be improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application and are not to be construed as limiting the application.
FIG. 1 is a partial cross-sectional view of an emergency stop assembly shown in accordance with an exemplary embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a scram assembly configuration according to an exemplary embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a PCB board structure according to an exemplary embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a boom configuration according to an exemplary embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a scram button configuration according to an exemplary embodiment of the present invention;
fig. 6 is a sectional view illustrating an elastic member according to an exemplary embodiment of the present invention.
Reference numerals in the drawings:
1-a shell; 11-upper cover; 12-a base;
2-emergency stop button;
3-a key lever; 31-main rod; 32-an elastic member; 321-a deformation part; 322-a support portion;
41-through groove; 42-mounting grooves;
5-a trigger; 51-a fixed end; 52-a movable end;
61-a first gap; 62-a second gap;
7-emergency stop switch; 71-a switch button;
8-PCB board.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The solution of the utility model is described in detail below with reference to the accompanying figures 1-6 of the specification. Wherein: FIG. 1 is a partial cross-sectional view of an emergency stop assembly shown in accordance with an exemplary embodiment of the present invention; FIG. 2 is a schematic diagram illustrating a scram assembly configuration according to an exemplary embodiment of the present invention; FIG. 3 is a schematic diagram illustrating a PCB board structure according to an exemplary embodiment of the present invention; FIG. 4 is a schematic diagram illustrating a boom configuration according to an exemplary embodiment of the present invention; FIG. 5 is a schematic diagram illustrating a scram button configuration according to an exemplary embodiment of the present invention; fig. 6 is a schematic view illustrating a structure of an elastic member according to an exemplary embodiment of the present invention.
As shown in fig. 1, the embodiment provides an emergency stop component of a lawn mower, the emergency stop component is installed on the lawn mower, the lawn mower includes a housing 1, a PCB 8, a base 12 and an upper cover 11, the PCB 8 is disposed in the housing 1, the upper cover 11 is disposed at an opening of the housing 1, the base 12 is disposed between the PCB 8 and the upper cover 11, and a through slot 41 is disposed on the base 12.
In one possible implementation, the scram assembly includes a scram button 2, a key lever 3, a scram switch 7, and a trigger 5. Wherein:
the key rod 3 comprises a main rod 31 and an elastic piece 32, the key rod 3 penetrates through the through groove 41, the upper end of the main rod 31 is abutted to the emergency stop button 2, when the mower needs to stop working in an emergency, the emergency stop button 2 is pressed down, and the part, abutted to the emergency stop button 2, of the upper end of the main rod 31 is subjected to acting force from the emergency stop button 2, so that the main rod 31 moves along the axial direction of the through groove 41.
The elastic element 32 comprises a deformation part 321 and a support part 322, one end of the deformation part 321 is connected with the main rod 31, when the part of the upper end of the main rod 31, which is abutted to the emergency stop button 2, is acted by the action force from the emergency stop button 2, the main rod 31 moves along the axial direction of the through groove 41, the deformation part 321 can deform along with the main rod 31, and the other end extending into the mounting groove 42 is supported on the inner groove wall of the mounting groove 42; the support portion 322 is connected to the outside of the deformation portion 321 and supported on the groove edge of the mounting groove 42, and when the portion of the upper end of the main rod 31 abutting against the emergency stop button 2 receives the acting force from the emergency stop button 2 to move the main rod 31 along the axial direction of the through groove 41, the support portion 322 plays a role of stabilizing the positional relationship of the elastic member 32.
A first gap 61 is formed between the lower end of the deformation portion 321 and the bottom of the mounting groove 42, when the portion of the upper end of the main rod 31 abutting against the emergency stop button 2 is acted by the action force from the emergency stop button 2 to move the main rod 31 along the axial direction of the through groove 41, the deformation portion 321 can deform along with the main rod 31, and the first gap 61 can enable the deformation portion 321 to have enough movement space.
The elastic member 32 may be a rubber member or other elastic material, and it should be noted that when the portion of the upper end of the main rod 31 abutting against the emergency stop button 2 receives the acting force from the emergency stop button 2, and the main rod 31 moves along the axial direction of the through groove 41, the elastic member 32 can freely deform and move, and is not easily damaged.
The fixed end 51 of the trigger 5 is welded with the emergency stop switch 7, the movable end 52 of the trigger 5 is located between the emergency stop switch 7 and the key rod 3, wherein the movable end 52 of the trigger 5 forms a shape arched towards the key rod 3, the distance between the key rod 3 and the movable end 52 is shortened, and meanwhile, the contact area is also increased, so that the key rod 3 and the movable end 52 can quickly contact a feedback signal.
The scram switch 7 has a switch button 71, the movable end 52 of the trigger 5 is located between the switch button 71 and the key lever 3, and the second gap 62 is provided between the movable end 52 and the switch button 71. When the emergency stop button 2 is pressed down, the part of the upper end of the main rod 31, which is abutted to the emergency stop button 2, receives acting force from the emergency stop button 2, so that the main rod 31 moves along the axial direction of the through groove 41, the key rod 3 transmits the pressing force from the emergency stop button 2 to the movable end 52, the movable end 52 extrudes the switch button 71, and finally the emergency stop switch 7 is triggered, so that the mower stops working, and meanwhile, when the emergency stop switch 7 is not pressed down, the second gap 62 is a safe distance, so that the situation that the switch button 71 is triggered by mistake when the mower works, and the emergency stop switch 7 is further triggered, so that the mower is in emergency stop and the working efficiency is influenced is avoided.
In the implementation process, when the emergency stop button 2 is not pressed, the main rod 31 will be kept at the original position under the support of the elastic member 32 when the main rod 31 is not applied with the force from the emergency stop button 2, and at the moment, the movable end of the trigger 5 is kept at the original position, and the second gap 62 exists with the switch button 71, namely, the movable end 52 of the trigger 5 is not contacted with the main rod 31, so that the reset state is realized.
In the implementation process, the moving stroke of the key rod in the through groove is not smaller than the second gap, when the emergency stop button 2 is pressed down, the part, abutted to the emergency stop button 2, of the upper end of the main rod 31 is subjected to the acting force from the emergency stop button 2, so that the main rod 31 moves along the axial direction of the through groove 41, the key rod 3 transmits the pressing force from the emergency stop button 2 to the movable end 52, the movable end 52 presses the switch button 71, the movable end 52 is forced to move towards the switch button 71 to form the second gap 62, and the moving stroke of the key rod 3 in the through groove 41 is not smaller than the second gap 62 when the emergency stop button 2 is pressed to the maximum stroke, so that the trigger 5 triggers the switch button 71, and finally triggers the emergency stop switch 7 to stop the mower.
The emergency stop button is provided with a bulge contacted with the key rod, when the emergency stop button 2 is pressed down, the force on the emergency stop button 2 is concentrated on the bulge part contacted with the emergency stop button 2 and the key rod 3, further, the acting force is acted on the key rod 3, the key rod 3 (not shown in the figure) transmits the pressing force from the emergency stop button 2 to the movable end 52, so that the movable end 52 extrudes the switch button 71, and finally, the emergency stop switch 7 is triggered, and the mower stops working. In addition, the emergency stop button is made of elastic materials, so that the emergency stop button 2 can be conveniently pressed and reset by the key rod 3, and in a preferred scheme, the emergency stop button and the key rod 3 can be integrally formed.
In a practical embodiment, when the part of the upper end of the main rod 31, which is abutted to the emergency stop button 2, is acted by the force from the emergency stop button 2, the main rod 31 moves downwards along the axial direction of the through groove 41, the deformation part 321 deforms along with the main rod 31, meanwhile, the other end, which penetrates into the installation groove 42, deforms along with the main rod, the supporting part 322 is connected to the outer side of the deformation part 321 and supported on the inner groove wall of the installation groove 42, when the part of the upper end of the main rod 31, which is abutted to the emergency stop button 2, is pressed by the emergency stop button 2 and is transmitted to the movable end 52, the movable end 52 presses the switch button 71, and finally the emergency stop switch 7 is triggered, so that the mower stops working.
In another possible embodiment, when the emergency stop button 2 is pressed again, the main rod 31 moves upwards along the axial direction of the through slot 41, the deformation part 321 restores the resting shape of the elastic element 32 along with the movement of the main rod 31, the other end extending into the mounting slot 42 also restores the resting shape of the elastic element 32 along with the restoration of the resting shape of the elastic element 32, and the first gap 61 is formed between the lower end of the restoration deformation part 321 and the slot bottom of the mounting slot 42 and the second gap 62 is formed between the movable end 52 and the switch button 71, so that the mower can work normally.
According to the emergency stop component of the mower, the emergency stop switch is directly arranged on the PCB, and the force acting on the emergency stop button is transmitted to the emergency stop switch through the key rod, so that the switch control is realized. According to the scheme, the emergency stop switch is directly connected with the PCB, so that the phenomenon that the PCB is connected by using a lead is avoided, the adverse risk of manually welding the lead and the condition that the terminal is plugged and pulled out to be invalid are avoided, and meanwhile, the emergency stop switch has the advantages of being simple in assembly and convenient to operate, and the production efficiency can be improved.
The utility model also provides a mower which comprises the emergency stop component provided by the embodiment, and further comprises a shell 1, a PCB 8, a base 12 and an upper cover 11, wherein the PCB 8 is arranged in the shell 1, the upper cover 11 is arranged at the opening of the shell 1, the base 12 is arranged between the PCB 8 and the upper cover 11, and the base 12 is provided with a through groove 41.
According to the scram assembly of the mower and the mower, the scram switch is directly arranged on the PCB, and force acting on the scram button is transmitted to the scram switch through the key rod, so that the switch control is realized. According to the scheme, the emergency stop switch is directly connected with the PCB, so that the phenomenon that the PCB is connected by using a lead is avoided, the adverse risk of manually welding the lead and the condition that the terminal is plugged and pulled out to be invalid are avoided, and meanwhile, the emergency stop switch has the advantages of being simple in assembly and convenient to operate, and the production efficiency can be improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The scram assembly of the mower is characterized in that the scram assembly is installed on the mower, the mower comprises a shell, a PCB, a base and an upper cover, the PCB is arranged in the shell, the upper cover is arranged at an opening of the shell, the base is arranged between the PCB and the upper cover, and a through groove is formed in the base; the scram assembly includes:
the emergency stop button is arranged on the upper cover;
the key rod penetrates through the through groove and can move along the axial direction of the through groove;
the emergency stop switch is arranged on the PCB and is electrically connected with the PCB;
the trigger, the trigger includes stiff end and expansion end, the stiff end with emergency stop switch connects, the expansion end can with press the key pole with the contact of emergency stop switch.
2. The scram assembly of claim 1, wherein the button lever comprises a main lever and an elastic member, the elastic member is connected with the main lever, a lower end of the main lever passes through the through groove of the base, and an upper end of the main lever abuts against the scram button.
3. The scram assembly of claim 2, wherein the base further comprises a mounting groove around the periphery of the through slot;
the elastic component includes deformation portion and supporting part, the one end of deformation portion is connected mobile jib, the other end stretch into the mounting groove, the supporting part is connected the outside of deformation portion is connected to the support is in the groove of mounting groove is followed last.
4. The scram assembly of claim 3, wherein a first gap is provided between a lower end of the deformation portion and a groove bottom of the mounting groove.
5. The scram assembly of a lawn mower according to any one of claims 2-4, wherein said elastic member is a rubber member.
6. The scram assembly of a lawn mower of claim 1, wherein a fixed end of the trigger is welded to the scram switch and a movable end of the trigger is located between the scram switch and the key lever.
7. The scram assembly of a lawn mower of claim 6, wherein the scram switch has a switch button, the movable end of the trigger is located between the switch button and the key lever, and the movable end and the switch button have a second gap therebetween;
when the emergency stop button is pressed, the key rod transmits the pressing force from the emergency stop button to the movable end so that the movable end presses the switch button;
and under the condition that the scram button is not pressed, the movable end of the trigger is not contacted with the switch button.
8. The scram assembly of a lawn mower of claim 7, wherein a travel of the key lever within the channel is no less than the second gap; the emergency stop button is provided with a bulge which is in contact with the key rod, and the emergency stop button is made of elastic materials.
9. The scram assembly of a lawn mower of claim 6, wherein the movable end of the trigger forms a shape that arches toward the key lever.
10. A lawnmower comprising the scram assembly of any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976931.3U CN216253985U (en) | 2021-11-30 | 2021-11-30 | Scram subassembly and lawn mower of lawn mower |
| PCT/CN2021/143735 WO2023097861A1 (en) | 2021-11-30 | 2021-12-31 | Mower emergency stop assembly, and mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976931.3U CN216253985U (en) | 2021-11-30 | 2021-11-30 | Scram subassembly and lawn mower of lawn mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216253985U true CN216253985U (en) | 2022-04-12 |
Family
ID=81040685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122976931.3U Active CN216253985U (en) | 2021-11-30 | 2021-11-30 | Scram subassembly and lawn mower of lawn mower |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216253985U (en) |
| WO (1) | WO2023097861A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097863A1 (en) * | 2021-12-02 | 2023-06-08 | 苏州科瓴精密机械科技有限公司 | Key structure of lawn mower, and lawn mower |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2783561B1 (en) * | 2013-03-27 | 2016-03-23 | Viking GmbH | Self-propelled work device |
| CN104106547B (en) * | 2013-04-18 | 2017-09-22 | 苏州宝时得电动工具有限公司 | Hay mover |
| CN207836214U (en) * | 2017-11-15 | 2018-09-11 | 苏州科瓴精密机械科技有限公司 | Robot grass trimmer and emergency stop switch |
| CN207966763U (en) * | 2018-02-12 | 2018-10-12 | 中山明思电子科技有限公司 | A kind of danger button |
| CN211088129U (en) * | 2020-02-19 | 2020-07-24 | 河南全一科技有限公司 | Emergency button device |
| CN212146514U (en) * | 2020-05-15 | 2020-12-15 | 火凤(福建)创新设计有限公司 | Robot base capable of achieving front emergency stop |
| CN112599371A (en) * | 2020-12-24 | 2021-04-02 | 南京苏美达智能技术有限公司 | Emergency stop button structure and robot of mowing |
-
2021
- 2021-11-30 CN CN202122976931.3U patent/CN216253985U/en active Active
- 2021-12-31 WO PCT/CN2021/143735 patent/WO2023097861A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097863A1 (en) * | 2021-12-02 | 2023-06-08 | 苏州科瓴精密机械科技有限公司 | Key structure of lawn mower, and lawn mower |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023097861A1 (en) | 2023-06-08 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230710 Address after: 215000 Huahong street, Suzhou Industrial Park, Jiangsu 18 Patentee after: Suzhou Cleva Precision Machinery & Technology Co.,Ltd. Patentee after: SKYBEST ELECTRIC APPLIANCE (SUZHOU) Co.,Ltd. Address before: 215000 Huahong street, Suzhou Industrial Park, Jiangsu 18 Patentee before: Suzhou Cleva Precision Machinery & Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |