CN209993523U

CN209993523U - Safety switch trigger mechanism of garden tool

Info

Publication number: CN209993523U
Application number: CN201921184854.4U
Authority: CN
Inventors: 郇飞; 米颖
Original assignee: Taizhou Oute Tools Manufacturing Co Ltd
Current assignee: Taizhou Oute Tools Manufacturing Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-01-24
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a garden instrument's safety switch trigger mechanism belongs to garden instrument technical field, including safety switch, safety switch include the frame and with the lower frame of frame looks adaptation of operating the computer, it has high spacing track C to go up the inside design of frame, frame inside is provided with fulcrum A and horizontal track B down, be provided with the switch trigger on the fulcrum A, a switch trigger pot head is established on the fulcrum A. The utility model discloses under the break-make stroke prerequisite that does not change switch self inside, through mechanical transmission structure principle, the switch is pressed perpendicularly and is triggered, and the design triggers for horizontal migration, increase switch disconnection stroke, avoids receiving the change of external vibration and the dynamics of gripping, and the frequent break-make of switch only has the handle that the user released operating switch completely, and the switch just can break off, reduces the frequency that the inside closed contact of switch burns out, promotes machine life.

Description

Safety switch trigger mechanism of garden tool

Technical Field

The utility model relates to a trigger mechanism especially relates to a garden instrument's safety switch trigger mechanism, belongs to garden instrument technical field.

Background

The switch of the existing grass pusher and scarifier is placed at the position of an operating handle by adopting the method that the switch is held by one hand, the operating handle of the switch is held by the other hand, and meanwhile, a machine operating rod is held by the other hand, an internal motor is electrified and rotated to drive an external blade to work. The on-off stroke of the interior of the switch is small, the switch can be frequently turned off and instantly turned on due to the change of external vibration and holding force, sparks are generated, closed contacts in the switch are burnt, the service life of a machine is shortened, or a household power supply of a user is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a garden instrument's safety switch trigger mechanism, increase switch disconnection stroke avoids receiving the change of external vibration and the dynamics of gripping, reduces the frequency that the inside closed contact of switch burns out, promotes machine life.

The purpose of the utility model can be achieved by adopting the following technical scheme:

a safety switch trigger mechanism of a garden tool comprises a safety switch, wherein the safety switch comprises an upper machine base and a lower machine base matched with the upper machine base, a height limiting track C is designed inside the upper machine base, a fulcrum A and a horizontal track B are arranged inside the lower machine base, a switch trigger is arranged on the fulcrum A, one end of the switch trigger is sleeved on the fulcrum A, the other end of the switch trigger is arranged outside the safety switch, a second elastic piece is sleeved on the fulcrum A, two ends of the second elastic piece are respectively clamped with the switch trigger or the lower machine base, a push rod is connected on the horizontal track B in a clamping and sliding mode, one end of the switch trigger is clamped with the push rod, one end of the push rod is connected with a third elastic piece, one end of the third elastic piece is fixedly connected with the push rod, and the other end of the third elastic piece is fixedly connected with the lower machine base, the push rod other end is in fixed being provided with on the frame down with the switch that the push rod parallel placed, the frame outside of going up is provided with safety button, the inboard one end of safety button runs through go up the frame, safety button outside one end through first elastic component with go up the surface connection of frame, the inboard one end fixedly connected with auto-lock boss E of push rod, safety button with auto-lock boss E parallel arrangement, the inboard one end of auto-lock boss E fixedly be provided with auto-lock boss E matched with height limit track C.

Preferably, the push rod and the self-locking boss E are made of a plastic material with toughness

Preferably, one end of the push rod, which is close to the switch, is provided with a slope slideway D.

Preferably, the safety switch is disposed at an upper portion of the tool armrest.

Preferably, one end of the upper machine base is provided with an installation groove block matched with the tool handrail.

Preferably, concave-convex holding grooves matched with fingers are formed in the inner side of the switch trigger.

The utility model has the advantages of:

the utility model provides a garden instrument's safety switch trigger mechanism under the break-make stroke prerequisite that does not change switch self inside, through mechanical transmission structure principle, the switch is pressed perpendicularly and is triggered, the design triggers for horizontal migration, increase switch disconnection stroke avoids receiving the change of external vibration and the dynamics of gripping, the frequent break-make of switch, only the handle of user's release operating switch completely, the switch just can break off, reduce the frequency that the inside closed contact of switch burns out, promote machine life.

Drawings

FIG. 1 is an exploded view of a preferred embodiment of a safety switch triggering mechanism of a garden tool according to the present invention;

FIG. 2 is a bottom cross-sectional view of state 1 of a preferred embodiment of a safety switch triggering mechanism of the garden tool according to the present invention;

FIG. 3 is a bottom cross-sectional view of state 2 of a preferred embodiment of a safety switch triggering mechanism of the garden tool according to the present invention;

FIG. 4 is a bottom cross-sectional view of state 3 of a preferred embodiment of a safety switch triggering mechanism of the garden tool, according to the present invention;

FIG. 5 is an internal block diagram of the lower housing of state 4 of a preferred embodiment of a safety switch triggering mechanism of the garden tool according to the present invention;

FIG. 6 is an internal block diagram of the lower housing of state 5 of a preferred embodiment of a safety switch triggering mechanism of the garden tool according to the present invention;

fig. 7 is an overall perspective view of a preferred embodiment of a safety switch triggering mechanism of a garden tool according to the present invention.

In the figure: 1-safety button, 2-first elastic piece, 3-upper machine base, 4-concave-convex holding groove, 5-trigger switch, 6-second elastic piece, 7-switch, 8-push rod, 9-third elastic piece, 10-lower machine base and 11-mounting groove block.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to 7, the present embodiment provides a safety switch triggering mechanism of a garden tool: the safety switch comprises a safety switch, the safety switch comprises an upper machine base 3 and a lower machine base 10 matched with the upper machine base 3, a height limiting track C is designed inside the upper machine base 3, a fulcrum A and a horizontal track B are arranged inside the lower machine base 10, a switch trigger 5 is arranged on the fulcrum A, one end of the switch trigger 5 is sleeved on the fulcrum A, the other end of the switch trigger 5 is arranged outside the safety switch, a second elastic piece 6 is sleeved on the fulcrum A, two ends of the second elastic piece 6 are respectively clamped with the switch trigger 5 or the lower machine base 10, a push rod 8 is connected on the horizontal track B in a clamping and sliding manner, one end of the switch trigger 5 is clamped with the push rod 8, one end of the push rod 8 is connected with a third elastic piece 9, one end of the third elastic piece 9 is fixedly connected with the push rod 8, the other end of the third elastic piece 9 is fixedly connected with the lower machine base 10, and a switch, go up the frame 3 outside and be provided with safety button 1, the inboard one end of safety button 1 runs through frame 3, safety button 1 outside one end through first elastic component 2 with last frame 3 surface connection, the inboard one end fixedly connected with auto-lock boss E of push rod 8, safety button 1 and auto-lock boss E parallel arrangement, the inboard one end of auto-lock boss E is fixed be provided with auto-lock boss E matched with high spacing track C.

In this embodiment, the push rod 8 and the self-locking boss E are made of a plastic material having toughness.

In the present embodiment, as shown in fig. 5, a ramp D is provided at one end of the push rod 8 near the switch 7.

In this embodiment, the safety switch is provided at the upper portion of the tool armrest, as shown in fig. 7.

In this embodiment, as shown in fig. 7, the upper housing 3 is provided with a mounting groove 11 at one end for engaging with a tool handrail.

In the present embodiment, as shown in fig. 1, the trigger 5 is provided with a concave-convex grip groove 4 inside to fit the finger.

In this embodiment, as shown in fig. 1 to 6, the safety switch triggering mechanism of the garden tool provided in this embodiment works as follows:

when the safety button 1 is pressed downwards, the push rod 8 is elastically deformed in the process that the safety button 1 moves downwards, and the self-locking boss E is meshed with the trigger 5, and the state is shown in figure 4.

The push rod 8 is pushed by the rotating trigger 5 to move forwards horizontally to the inside of the height limiting track C of the upper machine base 3, the safety button 1 is released, and the safety button 1 returns to the initial position under the action of the elastic element 2, and the state is shown in figure 5.

The push rod 8 moves forwards horizontally under the pushing force of the trigger 5, the slope slideway D triggers the switch, the switch is conducted, and the motor is electrified to work, and the state is shown in figure 6.

When the motor stops working, the trigger 5 is released to reversely rotate under the action of the elastic part 6 to return to the initial position, the push rod 8 reversely moves under the action of the elastic part 9 to slide out of the height limiting track C of the upper base 3, the self-locking boss E is separated from the trigger, the switch is powered off, and the motor stops running.

To sum up, in this embodiment, the safety switch trigger mechanism of garden instrument that this embodiment provided has rationally and effectually solved foretell problem, under the inside break-make stroke prerequisite of not changing switch self, through mechanical transmission structure principle, the switch is pressed perpendicularly and is triggered, designs for the horizontal migration triggers, increase switch disconnection stroke, avoid receiving the change of outside vibration and the dynamics of gripping, the frequent break-make of switch, only user's release operating switch's handle completely, the switch just can break off, reduce the frequency that the inside closed contact of switch burns out, promote machine life.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides a garden instrument's safety switch trigger mechanism which characterized in that: comprises a safety switch, the safety switch comprises an upper machine base (3) and a lower machine base (10) matched with the upper machine base (3), a height limiting track C is designed inside the upper machine base (3), a fulcrum A and a horizontal track B are arranged inside the lower machine base (10), a switch trigger (5) is arranged on the fulcrum A, one end of the switch trigger (5) is sleeved on the fulcrum A, the other end of the switch trigger (5) is arranged outside the safety switch, a second elastic piece (6) is sleeved on the fulcrum A, two ends of the second elastic piece (6) are respectively connected with the switch trigger (5) or the lower machine base (10) in a clamping manner, a push rod (8) is connected on the horizontal track B in a clamping and sliding manner, one end of the switch trigger (5) is connected with the push rod (8) in a clamping manner, one end of the push rod (8) is connected with a third elastic piece (9), one end of the third elastic piece (9) is fixedly connected with the push rod (8), the other end of the third elastic piece (9) is fixedly connected with the lower machine base (10), a switch (7) which is arranged in parallel with the push rod (8) is fixedly arranged at the other end of the push rod (8) on the lower machine base (10), a safety button (1) is arranged on the outer side of the upper base (3), one end of the inner side of the safety button (1) penetrates through the upper base (3), one end of the outer side of the safety button (1) is connected with the outer surface of the upper machine base (3) through a first elastic piece (2), a self-locking boss E is fixedly connected at one end of the inner side of the push rod (8), the safety button (1) is arranged in parallel with the self-locking boss E, and one end of the inner side of the self-locking boss E is fixedly provided with a height limiting track C matched with the self-locking boss E.

2. A safety switch triggering mechanism of a garden tool, according to claim 1, wherein: the push rod (8) and the self-locking boss E are made of tough plastic materials.

3. A safety switch triggering mechanism of a garden tool, according to claim 1, wherein: and one end of the push rod (8) close to the switch (7) is provided with a slope slideway D.

4. A safety switch triggering mechanism of a garden tool, according to claim 1, wherein: the safety switch is arranged on the upper part of the tool handrail.

5. A safety switch triggering mechanism of a garden tool, according to claim 1, wherein: and one end of the upper machine base (3) is provided with an installation groove block (11) matched with the tool handrail.

6. A safety switch triggering mechanism of a garden tool, according to claim 1, wherein: the inner side of the switch trigger (5) is provided with a concave-convex holding groove (4) matched with fingers.