CN214482350U - Handle switch assembly of pruning shears - Google Patents

Abstract

The utility model provides a handle switch assembly of pruning scissors belongs to garden machine technical field. It has solved the inconvenient problem of operation of current handle switch subassembly of pruning scissors. The utility model provides a handle switch subassembly of pruning scissors, including the preceding handle shell that is C shape, the inboard of preceding handle shell is equipped with operating handle, be equipped with the spring between operating handle and the preceding handle shell, operating handle sets up along the border of preceding handle shell, operating handle can remove and reciprocate relatively preceding handle shell, be equipped with micro-gap switch and switch couple in the preceding handle shell, switch couple's upper end links to each other with operating handle, switch couple's lower extreme offsets with micro-gap switch's contact and leans on, and when operating handle removes or up moves and switch couple can touch micro-gap switch's contact. The handle switch assembly of the pruning shears has the advantages of capability of operating at any angle and convenience in operation.

Description

Handle switch assembly of pruning shears

Technical Field

The utility model belongs to the technical field of garden machine, a pruning scissors, especially a handle switch module of pruning scissors is related to.

Background

Pruning shears in the garden tool are used for pruning fences and branches to form a certain shape, and in normal use, the pruning shears need to carry out cutting operation in a horizontal plane and a vertical plane.

The pruning shears (application number: 201520931314.3) disclosed in the Chinese patent comprises a pruning shear shell, wherein a handle and a shear head are arranged on the pruning shear shell, the handle is provided with a switch, two ends of the handle are respectively provided with an annular mounting groove, the end part of the mounting groove is provided with a limiting end, an annular mounting bulge corresponding to the mounting groove is arranged in the pruning shear shell, and one mounting bulge is provided with a plurality of limiting grooves; the handle is also provided with a handle rotating button, the handle rotating button comprises a pressing part and a positioning part, the positioning part is positioned in the limiting groove, and a handle rotating button reset spring is arranged in the handle; when the handle rotating button is pressed, the positioning part is separated from the limiting groove, and the handle can rotate on the mounting protrusion of the pruning shear shell through the mounting groove, so that the handle is rotated, and the position of the handle is adjusted. However, when the pruning shears are used, the switch on the handle needs to be held to realize pruning, and when branches at different azimuth angles are pruned, the handle cannot be held at a comfortable angle, so that the operation is inconvenient.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a handle switch component of pruning shears, which can be operated at any angle and is convenient to operate.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a handle switch subassembly of pruning scissors, is including the preceding handle shell that is C shape, the inboard of preceding handle shell be equipped with operating handle, be equipped with the spring between operating handle and the preceding handle shell, its characterized in that, operating handle along the border setting of preceding handle shell just operating handle's outer end border all stretch out in the inboard border of preceding handle shell, operating handle can be relative preceding handle shell remove and reciprocate, preceding handle shell in be equipped with micro-gap switch and switch couple, the upper end of switch couple with operating handle link to each other, the lower extreme of switch couple and micro-gap switch's contact offset and lean on, and work as operating handle remove when removing or up and the switch couple can touch micro-gap switch's contact.

Because preceding handle shell is C shape, operating handle sets up along the border of preceding handle shell, during the operation, hold preceding handle shell and turn left, turn right or when upwards pulling operating handle, all can drive the switch couple through operating handle and touch micro-gap switch's contact, open micro-gap switch, realize the work of pruning scissors, when loosening the handle, the spring promotes operating handle and drives the switch couple and reset, make the micro-gap switch disconnection, make the pruning scissors stop work, can carry out arbitrary angle operation and convenient operation's advantage.

In the above handle switch assembly of pruning shears, the front handle shell comprises two connecting parts and a holding part, two ends of the holding part are connected with the connecting parts, and the operating handle is arranged along the edge of the holding part. By adopting the arrangement, the device has the advantages of compact structure and convenience in operation.

In foretell pruning scissors's handle switch module, operating handle's one end downside convex promotion post has, the upper end of switch couple be the atress portion, the inboard of atress portion set up and continuous stress surface for two bilateral symmetry, stress surface set up by outer end toward middle part tilt up, the promotion post can support and lean on in the atress portion, the downside of switch couple the guide part that has vertical setting, preceding handle shell in be equipped with the guide way of vertical setting just the guide part inlay in the guide way. When the operating handle moves upwards, the pushing column pushes the stressed surface to enable the switch hook to move upwards along the guide groove and the guide part, so that the lower end of the switch hook touches the contact of the micro switch.

In the above handle switch assembly of the pruning shears, the stress surface is an arc surface which is obliquely arranged. The stress surface is the arc surface that the slope set up, can make the promotion post remove and promote the switch couple along the stress surface smoothly, has reliable operation and simple structure's advantage.

In the above handle switch assembly of pruning shears, the force bearing surface is a plane which is obliquely arranged.

In the above handle switch assembly of pruning shears, the lower side of the switch hook is a trigger part arranged perpendicular to the guide part, the inner end of the trigger part is connected with the guide part, and the outer end of the trigger part can contact the contact of the microswitch.

In the handle switch assembly of the pruning shears, horizontally arranged springs I are arranged between two sides of the operating handle and the corresponding side parts of the front handle shell, horizontally arranged guide posts I are arranged on the side parts of the operating handle, horizontally arranged guide cylinders I are arranged on the corresponding side parts of the front handle shell, and the guide posts I are inserted in the guide cylinders I. The first guide post is inserted into the first guide cylinder, so that the operating handle has a good guiding effect relative to the horizontal movement of the front handle shell, the operating handle is prevented from deviating, and the novel handle has the advantage of convenience in use.

In the handle switch component of the pruning shears, the middle part of the first guide column is provided with the first protruded positioning column, one end of the first spring is sleeved on the first positioning column, and the other end of the first spring abuts against the inner end face of the first guide cylinder. The first spring is arranged on the first positioning column and the first guide cylinder, and the first spring has the advantage of good positioning effect.

In the handle switch component of the pruning shears, a vertically arranged spring II is arranged between the upper end of the operating handle and the inner side of the upper end of the front handle shell, a vertically arranged guide post II is arranged at the upper end of the operating handle, a vertically arranged guide cylinder II is arranged at the upper end of the front handle shell, and the guide post II is inserted into the guide cylinder II. The first guide post is inserted into the first guide cylinder, so that the operation handle has a better guiding effect relative to the vertical movement of the front handle shell, the operation handle is prevented from deviating, and the novel handle has the advantage of convenience in use.

In the handle switch component of the pruning shears, the middle part of the second guide column is provided with the second protruded positioning column, one end of the second spring is sleeved on the second positioning column, and the other end of the second spring abuts against the inner end face of the second guide cylinder. And the second spring is arranged on the second positioning column and the second guide cylinder, so that the second spring has a better positioning effect.

In the handle switch component of the pruning shears, one side of the front handle shell is provided with the front handle gland, the inner side walls of the front handle shell and the front handle gland are respectively provided with the limiting convex bodies with corresponding positions and structures, and the front end surface and the rear end surface of the trigger part can respectively abut against the limiting convex bodies. The front end face and the rear end face of the trigger part can respectively abut against the limiting convex body, so that the front end face and the rear end face of the trigger part are prevented from swinging back and forth when the trigger part goes up and down, and the work can be smoothly carried out.

Compared with the prior art, the handle switch component of the pruning shears has the following advantages:

1. when the front handle shell is held by hand and the operating handle is pulled leftwards, rightwards or upwards, the operating handle can drive the switch hook to touch the contact of the microswitch, the microswitch is switched on, the work of the pruning shears is realized, when the handle is loosened, the spring pushes the operating handle and drives the switch hook to reset, the microswitch is switched off, the pruning shears stop working, the operation at any angle can be carried out, and the operation is convenient;

2. when the operating handle drives the operating handle to move leftwards or rightwards, the pushing column moves along the corresponding stress surface, the switch hook is pulled to move upwards along the guide of the guide groove and the guide part, and the lower end of the switch hook touches the contact of the micro switch;

3. the stress surface is an arc surface which is obliquely arranged, so that the pushing column can smoothly move along the stress surface and push the switch hook, and the switch hook has the advantages of reliable work and simple structure;

4. the first guide post is inserted into the first guide cylinder, so that the operating handle has a good guiding effect relative to the horizontal movement of the front handle shell, the operating handle is prevented from deviating, and the novel handle has the advantage of convenience in use.

Drawings

FIG. 1 is a schematic front view of a grip switch assembly of the pruning shears.

Fig. 2 is a schematic sectional view a-a of fig. 1.

In the drawings, 1, a front handle housing; 1a, a connecting part; 1b, a holding part; 1c, a guide groove; 1d, a first guide cylinder; 1e, a second guide cylinder; 1f, a limit convex body; 1g, pressing a cover of a front handle; 2. an operating handle; 2a, a pushing column; 2b, a guide post I; 2c, a first positioning column; 2d, a second guide post; 2e, a second positioning column; 3. a microswitch; 4. a switch hook; 4a, a stress surface; 4b, a guide part; 4c, a trigger part; 5. a first spring; 6. and a second spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, a handle switch assembly of pruning shears, including the preceding handle shell 1 that is the C-shaped, the inboard of preceding handle shell 1 is equipped with operating handle 2, be equipped with the spring between operating handle 2 and the preceding handle shell 1, operating handle 2 sets up and operating handle 2's outer end border all stretches out in the inboard border of preceding handle shell 1 along the border of preceding handle shell 1, operating handle 2 can move about and reciprocate relative to preceding handle shell 1, be equipped with micro-gap switch 3 and switch couple 4 in the preceding handle shell 1, the upper end of switch couple 4 links to each other with operating handle 2, the lower extreme of switch couple 4 supports with micro-gap switch 3's contact and leans on, and when operating handle 2 moves about or up moves and switch couple 4 can touch micro-gap switch 3's contact. The front handle housing 1 includes two connecting portions 1a and a holding portion 1b, both ends of the holding portion 1b are connected to the connecting portions 1a, and the operating handle 2 is disposed along an edge of the holding portion 1 b.

Operating handle 2's one end downside has convex promotion post 2a, switch couple 4's upper end is the atress portion, the inboard of atress portion is two bilateral symmetry settings and continuous atress face 4a, the arcwall face that atress face 4a set up for the slope, atress face 4a sets up by outer end toward middle part tilt up, promote post 2a and can support and lean on in the atress portion, switch couple 4's downside has the guide part 4b of vertical setting, be equipped with guide way 1c and the guide part 4b of vertical setting in the preceding handle shell 1 and inlay in guide way 1c, switch couple 4's downside is the trigger part 4c that perpendicular to guide part 4b set up, the inner of trigger part 4c links to each other with guide part 4b, the outer end of trigger part 4c can contact micro-gap switch 3's contact. Stress surface 4a is the arcwall face of slope setting, can make to promote post 2a and remove and promote switch couple 4 along stress surface 4a smoothly, has reliable operation and simple structure's advantage. Alternatively, the force-receiving surface 4a is a plane that is obliquely disposed.

The two sides of the operating handle 2 and the corresponding side portion of the front handle shell 1 are respectively provided with a first spring 5 which is horizontally arranged, the side portion of the operating handle 2 is provided with a first guide column 2b which is horizontally arranged, the corresponding side portion of the front handle shell 1 is provided with a first guide cylinder 1d which is horizontally arranged, the first guide column 2b is inserted into the first guide cylinder 1d, the middle of the first guide column 2b is provided with a first convex positioning column 2c, one end of the first spring 5 is sleeved on the first positioning column 2c, the other end of the first spring 5 abuts against the inner end face of the first guide cylinder 1d, and the first spring 5 has the advantage of good positioning effect.

A second spring 6 which is vertically arranged is arranged between the upper end of the operating handle 2 and the inner side of the upper end of the front handle shell 1, a second guide column 2d which is vertically arranged is arranged at the upper end of the operating handle 2, a second guide cylinder 1e which is vertically arranged is arranged at the upper end of the front handle shell 1, the second guide column 2d is inserted into the second guide cylinder 1e, a second convex positioning column 2e is arranged in the middle of the second guide column 2d, a sleeve of the second spring 6 is arranged on the second positioning column 2e, the other end of the second spring 6 abuts against the inner end face of the second guide cylinder 1e, and the positioning effect of the second spring 6 is better.

Preceding handle shell 1's one side is equipped with preceding handle gland 1g, and preceding handle shell 1 all is equipped with the corresponding spacing convex body 1f in position and structure with the inside wall of preceding handle gland 1g, and both ends face can support respectively and lean on spacing convex body 1f around the trigger part 4c, has avoided the lift of trigger part 4c to produce the fore-and-aft movement, makes work can smoothly go on.

When the operating handle 2 moves upwards, the pushing column 2a pushes the stress surface 4a to enable the switch hook 4 to move upwards along the guide of the guide groove 1c and the guide part 4b, the lower end of the switch hook 4 touches the contact of the micro switch 3, when the operating handle 2 drives the operating handle 2 to move leftwards or rightwards, the pushing column 2a moves along the corresponding stress surface 4a, the pulling switch hook 4 moves upwards along the guide of the guide groove 1c and the guide part 4b, the lower end of the switch hook 4 touches the contact of the micro switch 3, when the front handle shell 1 is held leftwards, rightwards or upwards to pull the operating handle 2, the operating handle 2 can drive the switch hook 4 to touch the contact of the micro switch 3, the micro switch 3 is opened, the work of the pruning shears is realized, when the handle is loosened, the corresponding spring pushes the operating handle 2 and drives the switch hook 4 to reset, make micro-gap switch 3 disconnection, make pruning scissors stop work, can carry out arbitrary angle operation and convenient operation's advantage, have simple structure and reliable operation's advantage.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the front handle housing 1, the connecting portion 1a, the holding portion 1b, the guide groove 1c, the first guide cylinder 1d, the second guide cylinder 1e, the limiting protrusion 1f, the front handle pressing cover 1g, the operating handle 2, the pushing column 2a, the first guide column 2b, the first positioning column 2c, the second guide column 2d, the second positioning column 2e, the micro-switch 3, the switch hook 4, the force-bearing surface 4a, the guide portion 4b, the triggering portion 4c, the first spring 5, the second spring 6, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a pruning scissors's handle switch subassembly, is including being C shape preceding handle shell (1), the inboard of preceding handle shell (1) be equipped with operating handle (2), be equipped with the spring between operating handle (2) and preceding handle shell (1), its characterized in that, operating handle (2) along the border setting of preceding handle shell (1) just the outer end border of operating handle (2) all stretch out in the inboard border of preceding handle shell (1), operating handle (2) can be relative preceding handle shell (1) remove about and reciprocate, preceding handle shell (1) in be equipped with micro-gap switch (3) and switch couple (4), the upper end of switch couple (4) with operating handle (2) link to each other, the lower extreme of switch couple (4) and the contact counterbalance of micro-gap switch (3), and when the operating handle (2) moves left and right or upwards, the switch hook (4) can trigger the contact of the micro switch (3).

2. The handle switch assembly of pruning shears according to claim 1, wherein said front handle housing (1) comprises two connecting portions (1a) and a holding portion (1b), both ends of the holding portion (1b) are connected to the connecting portions (1a), and said operating handle (2) is disposed along the edge of said holding portion (1 b).

3. The handle switch assembly of pruning shears as claimed in claim 1, wherein a protruding pushing post (2a) is arranged at the lower side of one end of the operating handle (2), the upper end of the switch hook (4) is a stressed portion, two stressed surfaces (4a) which are arranged in bilateral symmetry and connected are arranged at the inner side of the stressed portion, the stressed surfaces (4a) are arranged by inclining the outer end upwards towards the middle, the pushing post (2a) can abut against the stressed portion, a vertically arranged guide portion (4b) is arranged at the lower side of the switch hook (4), a vertically arranged guide groove (1c) is arranged in the front handle housing (1), and the guide portion (4b) is embedded in the guide groove (1 c).

4. The handle switch assembly of pruning shears as claimed in claim 3, wherein said force bearing surface (4a) is an arc surface arranged obliquely.

5. The handle switch assembly of pruning shears as claimed in claim 3, wherein said switch hook (4) has a trigger portion (4c) disposed perpendicular to said guide portion (4b) at the lower side thereof, said trigger portion (4c) having an inner end connected to said guide portion (4b), and an outer end of said trigger portion (4c) capable of contacting a contact of said microswitch (3).

6. The handle switch assembly of pruning shears according to claim 1, 2, 3, 4 or 5, wherein a horizontally arranged spring I (5) is arranged between two sides of the operating handle (2) and the corresponding side portion of the front handle shell (1), a horizontally arranged guide post I (2b) is arranged on the side portion of the operating handle (2), a horizontally arranged guide cylinder I (1d) is arranged on the corresponding side portion of the front handle shell (1), and the guide post I (2b) is inserted into the guide cylinder I (1 d).

7. The handle switch assembly of pruning shears as claimed in claim 6, wherein said first guiding column (2b) has a protruding positioning column (2c) in the middle, one end of said first spring (5) is sleeved on said positioning column (2c), and the other end of said first spring (5) abuts against the inner end surface of said first guiding cylinder (1 d).

8. The handle switch assembly of pruning shears as claimed in claim 1 or 2 or 3 or 4 or 5, wherein a vertically arranged second spring (6) is arranged between the upper end of the operating handle (2) and the inner side of the upper end of the front handle casing (1), a vertically arranged second guide post (2d) is arranged at the upper end of the operating handle (2), a vertically arranged second guide cylinder (1e) is arranged at the upper end of the front handle casing (1), and the second guide post (2d) is inserted into the second guide cylinder (1 e).

9. The handle switch assembly of pruning shears as claimed in claim 8, wherein the middle of the second guiding column (2d) is provided with a second protruding positioning column (2e), one end of the second spring (6) is sleeved on the second positioning column (2e), and the other end of the second spring (6) abuts against the inner end surface of the second guiding cylinder (1 e).

10. The handle switch assembly of pruning shears as claimed in claim 5, wherein a front handle cover (1g) is provided at one side of said front handle housing (1), and the inner side walls of said front handle housing (1) and said front handle cover (1g) are provided with position-limiting protrusions (1f) corresponding in position and structure, and the front and rear end faces of said trigger portion (4c) can be respectively abutted against said position-limiting protrusions (1 f).

Images