阅读说明：本技术 一种开关盒 (Switch box ) 是由 王伟君 刘大军 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种开关盒,包括主盒体和转动连接在主盒体上的扳机,主盒体包括相互拼合的上盒体和下盒体,扳机扳动时由下盒体所在一侧向上盒体所在一侧转动,主盒体内设有自复位开关、安全按钮、连接有第一复位弹簧的第一传动组件和连接有第二复位弹簧的第二传动组件,扳机包括第一扳机和第二扳机,第一扳机和/或第二扳机转动带动第一传动组件转动,安全按钮移动带动第二传动组件移动,第一传动组件与第二传动组件联动用于使自复位开关导通。应用本发明提供的该开关盒,能够避免发生现有技术中扳机转向扶手段时容易夹伤手掌的情况发生,并且使得扳动扳机的操作更加便利。(The invention discloses a switch box, which comprises a main box body and a trigger rotatably connected to the main box body, wherein the main box body comprises an upper box body and a lower box body which are mutually spliced, when the trigger is pulled, the side of the lower box body rotates to the side of the upper box body, a self-reset switch, a safety button, a first transmission assembly connected with a first reset spring and a second transmission assembly connected with a second reset spring are arranged in the main box body, the trigger comprises a first trigger and a second trigger, the first trigger and/or the second trigger rotates to drive the first transmission assembly to rotate, the safety button moves to drive the second transmission assembly to move, and the first transmission assembly and the second transmission assembly are linked to conduct the self-reset switch. The switch box provided by the invention can avoid the condition that the palm is easy to be injured when the trigger turns to the supporting means in the prior art, and the operation of pulling the trigger is more convenient.)

1. The utility model provides a switch box, includes main box body (1) and rotates trigger (2) of connection on main box body (1), main box body (1) is including last box body (11) and lower box body (12) of mutual amalgamation, its characterized in that: the utility model discloses a safety switch, including trigger (2), main box body (1), safety button (2), first trigger (21) and/or second trigger (22) rotate and drive first transmission assembly (3) and rotate, safety button (5) are connected with first reset spring (30) and second transmission assembly (4) are connected with second reset spring (40), first trigger (21) and/or second trigger (22) rotate and drive first transmission assembly (3) and rotate, safety button (5) are connected with second transmission assembly (4), first transmission assembly (3) and second transmission assembly (4) linkage are used for making to switch on from reset switch (6) when pulling by lower box body (12) place one side.

2. A switch box as claimed in claim 1, characterized in that: the first transmission assembly (3) comprises a rotating shaft (31) and a first rotating piece (32) fixedly connected to the middle of the rotating shaft (31), the rotating shafts (31) on two sides of the first rotating piece (32) are respectively sleeved with a first return spring (30), the trigger (2) is connected with the first rotating piece (32) through the rotating shaft (31), and a first gap is formed between the first rotating piece (32) and the self-reset switch (6);

the second transmission assembly (4) comprises a second rotating piece (41), the second rotating piece (41) is rotatably connected to the safety button (5), the second return spring (40) is sleeved on the second rotating piece (41), and the safety button (5) overcomes the elastic force of the second return spring (40) to push the second rotating piece (41) to partially extend into the first gap.

3. A switch box as claimed in claim 2, characterized in that: the both ends of pivot (31) all are equipped with first connecting portion (310), joint groove (311) have been seted up in first connecting portion (310), be equipped with second connecting portion (23) on trigger (2), be equipped with on second connecting portion (23) with joint groove (311) complex joint piece (230), be equipped with arc wall (14) on the main box body (1), first connecting portion (310) and second connecting portion (23) all rotate the setting and are in arc wall (14).

4. A switch box as claimed in claim 2, characterized in that: be equipped with logical groove (13) that are used for holding first reset spring (30) in main box body (1), the one end of first reset spring (30) is connected on leading to groove (13) inner wall, the other end of first reset spring (30) is connected on first rotating member (32).

5. A switch box as claimed in claim 2, characterized in that: the safety button is characterized in that side plates (50) are arranged on two sides of the safety button (5), a fixed shaft (51) is arranged between the side plates (50), and the second rotating piece (41) is connected to the safety button (5) in a rotating mode by taking the fixed shaft (51) as a pivot.

6. A switch box as claimed in claim 2, characterized in that: and the second rotating piece (41) is provided with a bulge (410) which is used for being matched and clamped with the first rotating piece (32).

7. A switch box as claimed in claim 1, characterized in that: the first transmission assembly (3) comprises a gear transmission assembly (33), a pressing block (34) and a pressing plate support (35), the trigger (2) is connected with the pressing block (34) through the gear transmission assembly (33), the pressing plate support (35) comprises a pressing plate (350), an L-shaped support plate (351), an elastic plate (352) and a cushion block (353) which are sequentially connected, the pressing plate (350) is tightly attached to the self-resetting switch (6), the pressing plate (350), the L-shaped support plate (351) and the elastic plate (352) form an accommodating cavity, the pressing block (34) is partially located in the accommodating cavity, a second gap is formed between the pressing block (34) and the pressing plate (350), and the first resetting spring (30) is arranged between the pressing block (34) and the pressing plate support (35) and the self-resetting switch (6);

the second transmission assembly (4) comprises a jack post (42) fixedly connected to the safety button (5), the second reset spring (40) is sleeved outside the jack post (42), a sliding groove (420) is formed in the jack post (42) along the radial direction, and one end of the elastic plate (352) is slidably arranged in the sliding groove (420).

8. A switch box according to claim 7, characterized in that: the gear transmission assembly (33) comprises a connecting shaft (330), a helical gear (331), a helical rack (332) and a connecting column (333), one end of the connecting shaft (330) is fixedly connected with the trigger (2), the other end of the connecting shaft (330) is fixedly connected with the helical gear (331), the helical gear (331) is in meshing transmission with the helical rack (332), the connecting column (333) is fixedly connected onto the helical rack (332), and the pressing block (34) is fixedly connected with the connecting column (333).

9. A switch box according to claim 7, characterized in that: the pressing block (34) located on the side where the first trigger (21) is located is a first pressing block (341), the pressing block (34) connected to the second trigger (22) is a second pressing block (342), the lower end of the first pressing block (341) and/or the lower end of the second pressing block (342) extend downwards to form a pressing end (340) acting with the cushion block (353), a first clamping block (3411) and a second clamping block (3412) are arranged on the first pressing block (341), and a third clamping block (3421) matched with the first clamping block (3411) and a fourth clamping block (3422) matched with the second clamping block (3412) are arranged on the second pressing block (342).

10. A switch box according to claim 7, characterized in that: the inner surface of the main box body (1) is provided with a groove, and the pressing plate support (35) is arranged in the groove in a sliding mode.

Technical Field

The invention belongs to the field of garden equipment, and particularly relates to a switch box.

Background

Maintenance operation that garden instrument generally is used for afforestation plant, the last switch box that generally is equipped with of garden instrument is used for opening of control means stops, for guaranteeing safety, generally be equipped with safety button and trigger on the switch box, safety button and trigger all are connected with drive assembly, it just can start the instrument to need safety button and trigger to drive the linkage of drive assembly respectively, can prevent like this that the mistake from touching the condition that the trigger caused the instrument to start suddenly, avoid causing the injury to operating personnel. As shown in fig. 1, the switch box of the current garden tool generally includes the following structure: the switch box comprises a main box body 1, the main box body 1 is arranged on a handle 7, the handle 7 generally comprises a supporting section 70 and handrail sections 71 connected with two sides of the supporting section 70, thus, the operator can respectively grasp the handrail sections 71 at the corresponding sides by two hands during operation, the operation is convenient, since the garden tool is activated by the operations of grasping the holding means 71 on the one hand, and pressing the safety button 5 and pulling the trigger 2 on the other hand, therefore, the supporting section 70 and the handrail sections 71 at both sides form a containing frame body in the prior art, the main box body 1 is connected to the supporting section 70 and is positioned in the containing frame body, the safety button 5 is arranged on the upper surface of the main box body 1, the trigger 2 is rotatably connected at both sides of the main box body 1, set up like this and make operating personnel's both hands all be nearer apart from safety button 5 and trigger 2, have certain convenience, trigger 2 is rotated to handrail section 71 that corresponds the side by main box body 1 when pulling trigger 2.

The existing switch box has the following problems: firstly, when an operator pulls the trigger 2, the trigger 2 rotates from the main box body 1 to the handrail section 71 on the corresponding side, the trigger 2 inevitably touches the palm after rotating to a certain position, and the situation that the trigger 2 and the holding means 71 clamp the tiger mouth of the palm easily occurs in actual work, so that the palm can be clamped, and on the other hand, the trigger 2 cannot be triggered to work due to the fact that the trigger is blocked by the clamped palm, so that the operating smoothness is influenced; secondly, when an operator pulls the trigger 2 by using the conventional switch box and holds the holding means 71 downwards in palm in order to facilitate the holding means 71, the operator can only pull the trigger 2 by using the thumb, so that the operation of pulling the trigger 2 is inconvenient, and when the operator holds the holding means 71 upwards in palm in order to facilitate the pulling of the trigger 2, although the operator can pull the trigger 2 by using four fingers out of the thumb so that the pulling operation is convenient, only the thumb has the main holding force due to the fact that the palm holds the holding means 71 upwards, so that the operation of holding the holding means 71 is very laborious, therefore, the operation of pulling the trigger 2 by using the conventional switch box is very inconvenient, the operator can easily cause the phenomenon that the trigger 2 is automatically reset due to the slippage of the operating palm, the equipment is suddenly stopped, and the operation smoothness is influenced; thirdly, in order to press the safety button 5 and pull the trigger 2 while the palm grips the holding means 71, the distance between the main box body 1 and the holding means 71 on the two sides cannot be too long, so that the rotation stroke of the trigger 2 is limited when the trigger 2 acts, and the transmission assembly in the main box body 1 is required to be driven by the trigger 2 to act in a small rotation stroke of the trigger 2 to trigger the self-reset switch to conduct the self-reset switch, so that the structural design of the transmission assembly is difficult, the precision requirement is high, and the overall production cost of the switch box is high; four, current switch box all has two triggers 2 generally, owing to there is the short problem of the 2 action strokes of above-mentioned triggers, must pull two triggers 2 simultaneously when consequently its uses and just can drive the transmission assembly action, can't only drive the transmission assembly action through the trigger 2 of independent one side, and the operation is convenient inadequately.

Disclosure of Invention

The invention aims to provide a switch box, which can effectively solve the problems that the palm of an operator is easily extruded and the operation of pulling a trigger is inconvenient when the trigger of the switch box rotates towards an armrest section of a handle in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a switch box, connect the trigger on main box body including main box body and rotation, main box body is including the last box body and the lower box body of mutual amalgamation, box body place one side is gone up by box body place one side down when the trigger is pulled and is rotated, be equipped with in the main box body from reset switch, safety button, be connected with first transmission assembly of first reset spring and the second transmission assembly who is connected with second reset spring, the trigger includes first trigger and second trigger, first trigger and/or second trigger rotate and drive first transmission assembly and rotate, safety button is connected with second transmission assembly, first transmission assembly is used for making to switch on from reset switch with the linkage of second transmission assembly.

Preferably, the first transmission assembly comprises a rotating shaft and a first rotating piece fixedly connected to the middle of the rotating shaft, the rotating shafts on two sides of the first rotating piece are sleeved with first return springs, the trigger is connected with the first rotating piece through the rotating shaft, and a first gap is formed between the first rotating piece and the self-reset switch; the second transmission assembly comprises a second rotating piece, the second rotating piece is rotatably connected to the safety button, the second return spring is sleeved on the second rotating piece, and the safety button overcomes the elastic force of the second return spring to push the second rotating piece to partially extend into the first gap. The trigger is connected with first rotating member through the pivot, pulls the trigger like this, and the trigger drives pivot and first rotating member rotation after rotating, nevertheless because first rotating member and have first clearance from restoring to the throne between the switch, only pull the trigger and can't make from restoring to the throne switch and switch on, guarantee to accord with the safety regulation, prevent accidental injury operating personnel. And only after the safety button is pressed down and the second rotating piece is pushed by the safety button to enter the first gap, the trigger is pulled, the first rotating piece rotates and acts on the second rotating piece, so that the second rotating piece rotates and acts on the self-reset switch to conduct the self-reset switch, and the purpose that the first transmission assembly and the second transmission assembly are linked to conduct the self-reset switch is achieved.

Preferably, the both ends of pivot all are equipped with first connecting portion, and the joint groove has been seted up to first connecting portion, are equipped with the second connecting portion on the trigger, be equipped with on the second connecting portion with joint groove complex joint piece, be equipped with the arc wall on the main box body, first connecting portion and second connecting portion all rotate the setting in the arc wall. The trigger and the rotating shaft are convenient to mount and dismount in a clamping mode, and meanwhile, the arc-shaped groove is formed in the main box body, so that the trigger can only rotate relative to the main box body due to the limitation of the arc-shaped groove after being pulled.

Preferably, be equipped with the logical groove that is used for holding first reset spring in the main box body, first reset spring's one end is connected on leading to the inslot wall, and first reset spring's the other end is connected on first rotating member. Like this first rotating member has the drive effect to first reset spring's the other end when rotating, and first reset spring's one end is connected on first logical inslot wall, and consequently first reset spring can't rotate along with pivot or first rotating member, can only take place to wrench movement and form elastic deformation, like this after loosening the trigger, under the effect of first reset spring's elastic force, first rotating member, pivot and trigger all rotate the answer normal position.

Preferably, the safety button is provided with side plates at both sides thereof, a fixed shaft is disposed between the side plates, and the second rotating member is pivotally connected to the safety button by using the fixed shaft as a pivot. The rotary connection of the second rotating piece relative to the safety button is realized.

Preferably, the second rotating member is provided with a protrusion for being clamped with the first rotating member in a matching manner. When first rotating member drives the second rotating member and rotates towards from reset switch like this, because the tip and the protruding joint of first rotating member, first rotating member just can not follow the slippage on the second rotating member, avoids first rotating member and the unexpected separation of second rotating member, leads to taking place from the unable condition that switches on of reset switch.

Preferably, the first transmission assembly comprises a gear transmission assembly, a pressing block and a pressing plate support, the trigger is connected with the pressing block through the gear transmission assembly, the pressing plate support comprises a pressing plate, an L-shaped support plate, an elastic plate and a cushion block which are sequentially connected, the pressing plate is tightly attached to the self-resetting switch, the pressing plate, the L-shaped support plate and the elastic plate form an accommodating cavity, the pressing block is partially located in the accommodating cavity, a second gap is formed between the pressing block and the pressing plate, and first resetting springs are arranged between the pressing block and the self-resetting switch as well as between the pressing plate support and the self-resetting switch; the second transmission assembly comprises a top post fixedly connected to the safety button, the second reset spring is sleeved outside the top post, the top post is provided with a sliding groove along the radial direction, and one end of the elastic plate is arranged in the sliding groove in a sliding mode. The trigger passes through gear drive assembly and is connected with the briquetting, pulls the trigger like this, and the trigger drives gear drive assembly and briquetting rotation after rotating, nevertheless because the briquetting with support to have the second clearance between the clamp plate, only pull the trigger and can't make and switch on from reset switch, guarantee to accord with the safety regulation, prevent accidental injury operating personnel. And only after the safety button is pressed down firstly, the ejection column is pushed to move by the safety button, the ejection column pushes the elastic plate to move, the elastic plate moves to drive the cushion block to partially enter the second gap, then the trigger is pulled, the pressing block rotates and acts on the cushion block, so that the pressing plate support moves to act on the self-reset switch to conduct the self-reset switch, and the purpose that the first transmission assembly and the second transmission assembly are linked to conduct the self-reset switch is achieved.

Preferably, the gear transmission assembly comprises a connecting shaft, a helical gear, a helical rack and a connecting column, one end of the connecting shaft is fixedly connected with the trigger, the other end of the connecting shaft is fixedly connected with the helical gear, the helical gear is in meshing transmission with the helical rack, the connecting column is fixedly connected to the helical rack, and the pressing block is fixedly connected with the connecting column. The trigger drives the pressing block to rotate through the gear transmission assembly, and the gear transmission has the advantages of high transmission precision and stable transmission.

Preferably, the pressing block located on the side where the first trigger is located is a first pressing block, the pressing block connected to the second trigger is a second pressing block, the lower end of the first pressing block and/or the lower end of the second pressing block extend downwards to form a pressing end acting with the cushion block, the first pressing block is provided with a first clamping block and a second clamping block, and the second pressing block is provided with a third clamping block matched with the first clamping block and a fourth clamping block matched with the second clamping block. Through setting up first fixture block and the third fixture block of mutually supporting to and second fixture block and the fourth fixture block of mutually supporting, when pulling first trigger like this through the interact of first fixture block and third fixture block, make first trigger and second trigger realize the linkage, and when pulling the second trigger through the interact of second fixture block and fourth fixture block, make first trigger and second trigger realize the linkage, also can drive first transmission assembly action through pulling the trigger of one of them side.

Preferably, the inner surface of the main box body is provided with a groove, and the pressing plate bracket is arranged in the groove in a sliding manner. The pressing plate support is convenient to move through the groove, and meanwhile the pressing plate support can be limited to shake.

Compared with the prior art, the invention has the following beneficial effects:

1. the trigger is arranged at a position which is changed by changing the setting position of the trigger and correspondingly designing different transmission assembly structures in the prior art, so that the trigger action is changed into the rotation from one side of the lower box body to one side of the upper box body, the palm grips the holding means downwards, the trigger can be pulled by using four fingers except thumb or only index finger, and the palm is positioned at the other side of the holding means relative to the trigger, so that the palm is not touched during the trigger action, the palm is prevented from being injured by clamping, meanwhile, the problem that the trigger action is not in place due to the fact that the palm blocks the trigger is avoided, and the trigger switch is operated smoothly;

2. the switch box is simple and convenient to pull the trigger, the holding means is easy to hold while the trigger is pulled, the condition that the equipment is suddenly stopped due to automatic resetting of the trigger caused by palm slipping is not easy to occur, and the operation is smooth;

3. the trigger is driven to rotate from one side where the lower box body is located to one side where the upper box body is located, so that the action stroke of the trigger is irrelevant to the distance between the main box body and the supporting means at the two sides, the distance between the main box body and the supporting means at the two sides can be shorter than that designed in the prior art, a palm can be operated conveniently to press a safety button, meanwhile, the action stroke of the trigger only needs to be considered to be in accordance with the length of a finger during design, and can be longer than that designed in the prior art, so that the requirement on the structural design precision of a transmission assembly is lower, the design is facilitated, and the production cost;

4. the first trigger and the second trigger can be used for simultaneously controlling the first transmission assembly to move, and the first transmission assembly can be independently controlled to move through the first trigger or the second trigger, so that a left-handed or right-handed operator can operate according to personal habits, and a hand can be conveniently left to operate the safety button when the self-reset switch is started, so that the operation of the switch box is smoother, and more accords with ergonomics;

5. through set up from reset switch in the switch box, press the safety button and pull the trigger after, first transmission assembly makes and switches on from reset switch with the linkage of second transmission assembly, after loosening the trigger, because first reset spring and second reset spring's effect, make first transmission assembly, the second transmission assembly, trigger and safety button all reply the normal position, can automatic re-setting close after losing the effort that receives from reset switch, the reaction is sensitive, can easily quick switch between on-state and off-state, make the switch box open to opening of electronic garden instrument more nimble, rapidly.

Drawings

FIG. 1 is a schematic diagram of a prior art switch box;

fig. 2 is a schematic structural diagram of a switch box provided in the first embodiment;

FIG. 3 is a schematic view of the linkage of the first transmission assembly and the second transmission assembly in the first embodiment;

FIG. 4 is a schematic view of the safety button and the second actuator assembly in a first embodiment;

FIG. 5 is a schematic view showing the connection between the trigger and the rotating shaft in the first embodiment;

FIG. 6 is a schematic view illustrating a connection between a trigger and a shaft and a main case in a first embodiment;

FIG. 7 is a schematic view of an internal structure of a main case in the first embodiment;

fig. 8 is a schematic structural diagram of a switch box provided in the second embodiment;

FIG. 9 is a schematic view of the internal structure of the main case in the second embodiment;

FIG. 10 is a schematic view of the linkage of the first transmission assembly and the second transmission assembly in the second embodiment;

FIG. 11 is a schematic view of a platen bracket according to the second embodiment;

FIG. 12 is a schematic view of the connection of the first pressing block and the second pressing block in the second embodiment;

FIG. 13 is a second embodiment illustrating the connection of the first pressing block and the second pressing block.

Wherein, 1, the main box body, 11, the upper box body, 12, the lower box body, 13, the through groove, 14, the arc groove, 2, the trigger, 21, the first trigger, 22, the second trigger, 23, the second connecting part, 230, the clamping block, 3, the first transmission component, 30, the first return spring, 31, the rotating shaft, 310, the first connecting part, 311, the clamping groove, 32, the first rotating part, 33, the gear transmission component, 330, the connecting shaft, 331, the helical gear, 332, the helical rack, 333, the connecting post, 34, the pressing block, 340, the pressing end, 341, the first pressing block, 3411, the first clamping block 341, 3422, the second clamping block, the second pressing block, 3421, the third clamping block, 3422, the fourth clamping block, 35, the pressing plate bracket, 350, the pressing plate, 351, the L-shaped supporting plate, 352, the elastic plate, 353, the cushion block, 4, the second transmission component, 40, the second return spring, 41, the second rotating part, 410, the protrusion, 42. the safety device comprises a top column, 420 sliding grooves, 5 safety buttons, 50 side plates, 51 fixed shafts, 6 self-reset switches, 60 self-reset switch keys, 7 handles, 70 supporting sections and 71 supporting means. The direction indicated by the arrow in fig. 1 is the direction of rotation of the trigger when the trigger is pulled.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows: as shown in fig. 2, a switch box comprises a main box body 1 and a trigger 2 rotatably connected to the main box body 1, wherein the main box body 1 comprises an upper box body 11 and a lower box body 12 which are spliced with each other, the main box body 1 is installed on a supporting section 70 of a handle 7, and the main box body 1 is positioned in an accommodating frame body formed by the supporting section 70 and handrail sections 71 on two sides, namely the main box body 1, the supporting section 70 and the handrail sections 71 are approximately positioned on the same plane. In this embodiment, when the trigger 2 is pulled, the trigger 2 rotates from the side of the lower case 12 to the side of the upper case 11. In this embodiment, "up" and "down" in the upper box body 11 and the lower box body 12 indicate the position to when operating personnel faces the main box body and both hands grip the handle, the box body close to the side where the operating personnel is located is the upper box body, and the box body far away from the operating personnel or close to the ground is the lower box body. According to the switch box provided by the embodiment, the setting position of the trigger 2 in the prior art is changed, so that the action of the trigger 2 is changed to rotate from one side of the lower box body 12 to one side of the upper box body 11, the palm grips the holding means 71 downwards, the trigger 2 can be pulled by using four fingers except thumb or only index finger, and the palm center is located at the other side of the holding means 71 relative to the trigger 2, so that the trigger 2 does not touch the palm center during action, the palm is prevented from being pinched, meanwhile, the problem that the trigger 2 cannot be in place due to the fact that the palm blocks the trigger 2 does not exist, and the operation of the trigger switch is smooth; the operation of pulling the trigger 2 by the switch box is simple and convenient, the holding means 71 is easy to hold while pulling the trigger 2, the condition that the equipment is suddenly stopped due to automatic resetting of the trigger 2 caused by palm slipping is not easy to occur, and the operation is smooth; because the trigger 2 moves to rotate from one side of the lower box body 12 to one side of the upper box body 11, the action stroke of the trigger 2 is irrelevant to the distance between the main box body 1 and the two side supporting means 71, so that the distance between the main box body 1 and the two side supporting means 71 can be shorter than that designed by the prior art, the palm can be operated conveniently to press the safety button 5, meanwhile, the action stroke of the trigger 2 only needs to be considered to be in accordance with the length of a finger when in design, the length can be longer than that designed by the prior art, the requirement on the structural design precision of a transmission assembly is lower, and the design is convenient and the production cost is low.

As shown in fig. 3 and 4, the transmission assembly in this embodiment is designed as follows: be equipped with in the main box body 1 from reset switch 6, safety button 5, be connected with first transmission assembly 3 of first reset spring 30, be connected with second transmission assembly 4 of second reset spring 40, trigger 2 includes first trigger 21 and second trigger 22, first trigger 21 or second trigger 22 all can drive first transmission assembly 3 and overcome the elasticity of first reset spring 30 and move, safety button 5 is connected with second transmission assembly 4, safety button 5 is used for driving second transmission assembly 4 and overcomes the elasticity of second reset spring 40 and move, first transmission assembly 3 and the linkage of second transmission assembly 4 are used for making to switch on from reset switch 6. That is, the first trigger 21 and the second trigger 22 can be used for simultaneously controlling the first transmission component 3 to move, or the first trigger 21 or the second trigger 22 can be used for independently controlling the first transmission component 3 to move, so that a left-handed or right-handed operator can operate according to personal habits, and a hand can be conveniently and completely free to operate the safety button 5 when the self-reset switch 6 is started, so that the operation of the switch box is smoother, and the switch box is more in accordance with ergonomics. In the present embodiment, two triggers 2 are provided, namely the first trigger 21 and the second trigger 22, and it is understood that only one trigger may be provided, such as only the first trigger 21 or only the second trigger 22. In addition, the self-reset switch 6 arranged in the switch box in the embodiment is in a normally closed state, the self-reset switch 6 is switched on only by pressing the self-reset switch key 60 on the self-reset switch 6 under the action of external acting force, and the self-reset switch can be automatically reset and switched off after losing the acting force, is sensitive in response, can be easily and quickly switched between a switching-on state and a switching-off state, and enables the switch box to flexibly and quickly start and stop the electric garden tool.

In this embodiment, the first transmission assembly 3 includes a rotating shaft 31 and a first rotating member 32, the first rotating member 32 is connected to the rotating shaft 31, the rotating shaft 31 is connected to the trigger 2, the rotating shafts 31 on both sides of the first rotating member 32 are both sleeved with a first return spring 30, the trigger 2 is pulled to drive the first rotating member 32 to rotate towards the self-reset switch 6 by the rotating shaft 31 overcoming the elastic force of the first return spring 30, and a first gap is formed between the first rotating member 32 and the self-reset switch 6. In this embodiment, the second transmission assembly 4 includes a second rotating member 41, side plates 50 are disposed on two sides of the safety button 5, a fixed shaft 51 is disposed between the side plates 50, the second rotating member 41 is pivotally connected to the safety button 5 by using the fixed shaft 51 as a pivot, a second return spring 40 is sleeved on the side plates 50 on two sides, and the safety button 5 is used for pushing the second rotating member 41 to overcome the elastic force of the second return spring 40 to make a portion of the second rotating member 41 extend into the first gap. In order to prevent the first rotating member 32 from driving the second rotating member 41 to rotate, the first rotating member 32 and the second rotating member 41 are separated by slipping, in this embodiment, a protrusion 410 is further disposed on the second rotating member 41 for engaging with the first rotating member 32.

Wherein, combine fig. 5 and fig. 6 to show, the tip of pivot 31 is equipped with first connecting portion 310 in this embodiment, joint groove 311 has been seted up to first connecting portion 310, the tip of trigger 2 is equipped with second connecting portion 23, second connecting portion 23 be equipped with joint groove 311 complex joint piece 230, pivot 31 and trigger 2 cooperate the joint through joint groove 311 in the first connecting portion 310 and the joint piece 230 in the second connecting portion 23, realize that trigger 2 drives pivot 31 and rotates.

The first return spring 30 in this embodiment is mounted in the manner shown in fig. 7: the main box body 1 is internally provided with a first through groove 13 for accommodating a first return spring 30 and a rotating shaft 31, one end of the first return spring 30 is connected to the inner wall of the first through groove 13, and the other end of the first return spring 30 is connected to a first rotating member 32. Like this first rotating member 32 has the drive effect to first reset spring 30's the other end when rotating, and first reset spring 30's one end is connected on first logical groove 13 inner wall, and consequently first reset spring 30 can't rotate along with pivot 31 or first rotating member 32, can only take place to twist and form elastic deformation, like this unclamp trigger 2 back, under the effect of first reset spring 30's elastic force, first rotating member 32, pivot 31 and trigger 2 all rotate the answer position.

The working principle of the switch box provided by the embodiment is explained as follows: pressing the safety button 5, the safety button 5 pushes the second rotating member 41 to partially extend into the first gap, and then pulling the trigger 2. it should be noted that, in this embodiment, because the first trigger 21 and the second trigger 22 are respectively connected to two ends of the rotating shaft 31, only pulling the first trigger 21 or only pulling the second trigger 22 can drive the rotating shaft 31 to rotate. Then, the rotating shaft 31 drives the first rotating member 32 to rotate, the first rotating member 32 rotates and then contacts with the second rotating member 41 extending into the first gap to drive the second rotating member 41 to rotate, the second rotating member 41 rotates towards the self-reset switch 6 and presses down the self-reset switch button 60, so that the self-reset switch 6 is turned on, and the above process is a process of controlling the electric garden equipment to be turned on through the switch box. When the electronic garden equipment needs to be shut down, only the trigger 2 which is tightly held needs to be loosened, after the trigger 2 is loosened, the elastic force of the first return spring 30 drives the first rotating member 32 to rotate, and the first rotating member 32 drives the trigger 2 to rotate to the original position through the rotating shaft 31. And the second rotating member 41 is turned back to the home position by the second return spring 40 after losing the force of the first rotating member 32, and the safety button 5 is returned to the home position by the second return spring 40. The self-reset switch 60 can automatically reset after losing the acting force of the second rotating member 41, and the electric garden tool stops working when the on state is changed into the off state.

Example two: as shown in fig. 8 to 11, the present embodiment also provides a switch box, and the present embodiment is different from the above embodiments in that the first transmission assembly 3 and the second transmission assembly 4 adopt different structures from those of the above embodiments. Specifically, the method comprises the following steps: in the embodiment, the first transmission assembly 3 comprises a gear transmission assembly 33, a pressing block 34 and a pressing plate support 35, the trigger 2 is connected with the pressing block 34 through the gear transmission assembly 33, the pressing plate support 35 comprises a pressing plate 350, an L-shaped support plate 351, an elastic plate 352 and a cushion block 353 which are sequentially connected, the pressing plate 350 is tightly attached to the self-resetting switch 6, the pressing plate 350, the L-shaped support plate 351 and the elastic plate 352 form an accommodating cavity, part of the pressing block 34 is located in the accommodating cavity, and a first reset spring 30 is arranged between the pressing block 34 and the pressing plate support 35 as well as between the self-resetting switch 6; the trigger 2 drives the pressing block 34 to rotate towards the pressing plate 350 by overcoming the elastic force of the first return spring 30 through the gear transmission assembly 33, and a second gap is formed between the pressing block 34 and the pressing plate 350; the second transmission assembly 4 includes a top post 42 fixedly connected to the safety button 5, the second return spring 40 is sleeved outside the top post 42, the safety button 5 overcomes the elastic force of the second return spring 40 to push the top post 42 to move, and then the top post 42 pushes the elastic plate 352 to move, so that the cushion block 353 partially extends into the second gap.

In order to facilitate the movement of the elastic plate 352, a sliding groove 420 is radially formed in the top pillar 42, and one end of the elastic plate 352 is slidably disposed in the sliding groove 420. The top post 42 moves along the axial direction of the top post 42 under the pushing of the safety button 5, and then pushes the elastic plate 352 to move, the elastic plate 352 moves to push the cushion block 353 to extend into the second gap on one hand, and on the other hand, the elastic plate 352 moves along the radial direction of the top post 42, and the sliding groove 420 is arranged to facilitate the movement of the elastic plate 352.

The gear transmission assembly 33 in this embodiment includes a connecting shaft 330, a helical gear 331, a helical rack 332, and a connecting column 333, one end of the connecting shaft 330 is fixedly connected to the trigger 2, the other end of the connecting shaft 330 is fixedly connected to the helical gear 331, the helical gear 331 is in meshing transmission with the helical rack 332, the connecting column 333 is fixedly connected to the helical rack 332, and the press block 34 is fixedly connected to the connecting column 333.

In this embodiment, a groove for sliding the pressing plate support 35 is formed in the inner surface of the main box body 1, so that the pressing plate support 35 can slide conveniently, and the pressing plate support 35 can be limited to shake.

Still be equipped with the diaphragm at the internal surface of main box body 1 in this embodiment, be convenient for set up first reset spring 30, the bottom of first reset spring 30 is connected on a side surface of diaphragm, and the top of first reset spring 30 is connected on briquetting 34, supports the opposite side that the clamp plate 350 is located the diaphragm, is equipped with the through-hole on the diaphragm, is equipped with the riser in the through-hole, riser top and L shape extension board 351 fixed connection, riser bottom and support clamp plate 350 fixed connection.

Referring to fig. 12 and 13, the pressing piece 34 on the side of the first trigger 21 is a first pressing piece 341, the pressing piece 34 connected to the second trigger 22 is a second pressing piece 342, and the lower end of the second pressing piece 342 extends downward to form a pressing end 340 acting with the spacer 353, it can be understood that the pressing end may be disposed at the lower end of the first pressing piece 31. The first pressing block 341 is provided with a first fixture block 3411 and a second fixture block 3412, and the second pressing block 342 is provided with a third fixture block 3421 matched with the first fixture block 3411 and a fourth fixture block 3422 matched with the second fixture block 3412. Through the arrangement of the first fixture block 3421 and the third fixture block 3421 which are matched with each other, and the second fixture block 3412 and the fourth fixture block 3422 which are matched with each other, when the first trigger 21 is pulled, the first trigger 21 and the second trigger 22 are linked through the interaction of the first fixture block 3411 and the third fixture block 3421, and when the second trigger 22 is pulled, the first trigger 21 and the second trigger 22 are linked through the interaction of the second fixture block 3412 and the fourth fixture block 3422, that is, the first transmission assembly 3 can be driven to move by pulling the trigger 2 on one side.

The working principle of the switch box provided by the embodiment is explained as follows: when the safety button 5 is pressed, the safety button 5 pushes the top pillar 42 to move axially along the top pillar 42, the top pillar 42 pushes the elastic plate 352 to act, and the elastic plate 352 drives the cushion block 353 to extend into the second gap. Then, the trigger 2 is pulled to drive the helical gear 331 to rotate through the connecting shaft 330, the helical gear 331 drives the helical rack 332 to rotate through meshing transmission, the helical rack 332 drives the pressing block 34 to rotate, and the pressing end 340 below the pressing block 34 rotates to apply acting force to the cushion block 353. It should be noted that, in the present embodiment, since the first fixture block 3411 and the third fixture block 3421, which are matched with each other, and the second fixture block 3412 and the fourth fixture block 3422, which are matched with each other, are provided, the first transmission assembly 3 can be driven to operate only by pulling the first trigger 21 or only by pulling the second trigger 22. After the cushion block 353 is acted by the pressing end 340, the whole pressing plate bracket 35 is stressed to slide along the groove, and the pressing plate 350 acts on the self-reset switch key 60, so that the self-reset switch 6 is switched on. The process is the process of controlling the electric garden equipment to be opened through the switch box. When the electric garden equipment needs to be shut down, only the trigger 2 which is tightly held needs to be loosened, after the trigger 2 is loosened, the elastic force of the first return spring 30 pushes the press plate bracket 35 to integrally move to return to the original position, and then the press block 34 and the gear transmission assembly 33 drive the trigger 2 to rotate to return to the original position. After the cushion block 353 loses the acting force of the pressing block 34, the elastic plate 352 returns to the original position under the action of the elastic force of the cushion block, at this time, the safety button 5 rebounds to the original position under the action of the second return spring 40, and the safety button 5 drives the ejection column 42 to return to the original position. The self-reset switch button 60 can automatically reset after losing the acting force of the pressing plate 350, the on state is changed into the off state, and the electric gardening tool stops working.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.