CN109322883B

CN109322883B - Lifting connecting piece of handle

Info

Publication number: CN109322883B
Application number: CN201811315879.3A
Authority: CN
Inventors: 倪祖根
Original assignee: Suzhou Kingclean Precision Machinery Co Ltd
Current assignee: Suzhou Kingclean Precision Machinery Co Ltd
Priority date: 2018-11-07
Filing date: 2018-11-07
Publication date: 2024-03-22
Anticipated expiration: 2038-11-07
Also published as: CN109322883A

Abstract

The invention discloses a lifting connecting piece of a lifting handle, which comprises a transmission rod and a connecting piece which are sequentially arranged from top to bottom, wherein the transmission rod comprises a top extending section, a middle extending section and a bottom extending section which are integrally combined from top to bottom, and the connecting piece is fixedly connected with the bottom extending section. According to the invention, the occupied space is reduced, the transmission accuracy is greatly improved, and the use experience of a user is improved.

Description

Lifting connecting piece of handle

Technical Field

The invention relates to the field of electric garden tools, in particular to a lifting connecting piece of a lifting handle.

Background

On electric garden tools such as hand propelled weeder or hand propelled machine of sweeping floor, often need to adjust the height from the ground of organism to adapt to different processing demands, this just needs to use the lift connecting piece that adjusts the organism height, and current lift connecting piece has following several problems: the occupied space is large, so that the body volume and the occupied area of the electric gardening tool are large, and an operator cannot use the electric gardening tool conveniently; the transmission has hysteresis, so that the transmission is insensitive and the lifting height is inaccurate. In view of the foregoing, there is a need for a lifting connector for lifting handles, which solves the above problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide the lifting connecting piece of the lifting handle, which reduces the occupied space, simultaneously greatly improves the transmission accuracy and improves the use experience of users.

To achieve the above objects and other advantages and in accordance with the purpose of the invention, there is provided a lifting connecting piece of a handle, comprising a driving rod and a connecting piece sequentially arranged from top to bottom, wherein the driving rod comprises a top extension section, a middle extension section and a bottom extension section which are integrally combined from top to bottom, and the connecting piece is fixedly connected with the bottom extension section.

Preferably, the width dimension of the connecting piece is 3-5 times of the width dimension of the transmission rod.

Preferably, the connecting piece is provided with a connecting slot, and the upper edge of the connecting slot is provided with at least two locking slots communicated with the connecting slot.

Preferably, the connecting through groove is in a circular arc shape and bulges upwards, and the locking through groove extends vertically upwards.

Preferably, the top extension, the middle extension and the bottom extension are all located on the same vertical plane.

Preferably, the connecting piece is provided with an upper positioning groove and a lower positioning groove, and a connecting line between the upper positioning groove and the lower positioning groove extends along the vertical direction.

Preferably, the top extension section and the bottom extension section are parallel and spaced, and the middle extension section is obliquely connected between the top extension section and the bottom extension section, so that the upper end and the lower end of the middle extension section are fixedly connected with the top extension section and the bottom extension section respectively.

Preferably, the top extension and the bottom extension extend in a vertical direction, and the upper end of the middle extension is integrally connected with the lower end of the top extension, and the lower end of the middle extension is integrally connected with the upper end of the bottom extension, so that the middle extension forms an included angle ω with the top extension or the bottom extension.

Preferably, the included angle ω is 101 ° to 135 °.

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

1. because the top extension section and the bottom extension section are parallel and are arranged at intervals, the middle extension section is obliquely connected between the top extension section and the bottom extension section, so that the height space is saved, the height dimension of the whole machine is further reduced, the gravity center of the whole machine is reduced, and the operation stability of the whole machine is improved;

2. because the connecting piece is provided with the upper positioning groove and the lower positioning groove, the connecting line between the upper positioning groove and the lower positioning groove extends along the vertical direction, so that the lifting connecting piece can only selectively lift in the vertical direction, the lifting connecting piece is prevented from reciprocating and moving on the horizontal plane, and the transmission stability is improved;

3. the connecting through groove is in an arc-shaped upward bulge, and the locking through groove extends vertically and upward, so that the lifting connecting piece can selectively and stably lift under the guidance of the connecting through groove in the vertical direction.

Drawings

FIG. 1 is a front view of a lifting attachment for a handle according to the present invention;

fig. 2 is a left side view of a lifting attachment for a handle according to the present invention.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

Referring to fig. 1 and 2, the lifting connector of the handle comprises a transmission rod 254 and a connecting piece 255 sequentially arranged from top to bottom, wherein the transmission rod 254 comprises a top extension section 2541, a middle extension section 2542 and a bottom extension section 2543 which are integrally combined from top to bottom, and the connecting piece 255 is fixedly connected with the bottom extension section 2543.

Referring to fig. 1, the width dimension of the connection piece 255 is 3 to 5 times the width dimension of the transmission rod 254. In the preferred embodiment the width dimension of the tab 255 is 3.2 times the width dimension of the drive rod 254.

Further, the connecting piece 255 is provided with a connecting slot 2553, and the upper edge of the connecting slot 2553 is provided with at least two locking slots 2554 communicated with the connecting slot. In a preferred embodiment, the locking through-grooves 2554 are arranged along the extending direction of the connecting through-grooves 2553.

Further, the connection through groove 2553 is convex upward, and the locking through groove 2554 extends vertically upward. In a preferred embodiment, the locking through grooves 2554 are arranged 6 at equal intervals in the extending direction of the connecting through groove 2553, and the locking through grooves 2554 at the head and tail positions are located at the front and rear ends of the connecting through groove 2553, respectively.

Further, the top extension 2541, the middle extension 2542, and the bottom extension 2543 are all located on the same vertical plane.

Referring again to fig. 1, the connecting piece 255 is provided with an upper positioning groove 2551 and a lower positioning groove 2552, and a connecting line between the upper positioning groove 2551 and the lower positioning groove 2552 extends along a vertical direction.

Referring to fig. 2, the top extension 2541 is parallel to the bottom extension 2543 and spaced apart from each other, and the middle extension 2542 is obliquely connected between the top extension 2541 and the bottom extension 2543, so that the upper and lower ends of the middle extension 2542 are fixedly connected with the top extension 2541 and the bottom extension 2543, respectively.

Further, the top and bottom extension segments 2541 and 2543 each extend in a vertical direction, an upper end of the middle extension segment 2542 is integrally connected with a lower end of the top extension segment 2541, and a lower end of the middle extension segment 2542 is integrally connected with an upper end of the bottom extension segment 2543, such that the middle extension segment 2542 forms an angle ω with the top extension segment 2541 or the bottom extension segment 2543.

Further, the included angle omega is 101-135 degrees. In one embodiment, the included angle ω is 101 °; in another embodiment, the included angle ω has a magnitude of 135 °; in a preferred embodiment, the included angle ω is 126 °.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.

Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. The lifting connecting piece of the handle is characterized by comprising a transmission rod (254) and a connecting piece (255) which are sequentially arranged from top to bottom, wherein the transmission rod (254) comprises a top extending section (2541), a middle extending section (2542) and a bottom extending section (2543) which are integrally combined from top to bottom, and the connecting piece (255) is fixedly connected with the bottom extending section (2543);

the connecting piece (255) is provided with a connecting slot (2553), and the upper edge of the connecting slot (2553) is provided with at least two locking slots (2554) communicated with the connecting slot;

the connecting through groove (2553) is in an arc-shaped upward bulge, and the locking through groove (2554) extends vertically upward;

the top extension section (2541), the middle extension section (2542) and the bottom extension section (2543) are all positioned on the same vertical plane;

the top extension section (2541) and the bottom extension section (2543) are parallel and are arranged at intervals, and the middle extension section (2542) is obliquely connected between the top extension section (2541) and the bottom extension section (2543) so that the upper end and the lower end of the middle extension section (2542) are fixedly connected with the top extension section (2541) and the bottom extension section (2543) respectively;

the top extension section (2541) and the bottom extension section (2543) extend in the vertical direction, the upper end of the middle extension section (2542) is integrally connected with the lower end of the top extension section (2541), and the lower end of the middle extension section (2542) is integrally connected with the upper end of the bottom extension section (2543), so that an included angle omega is formed between the middle extension section (2542) and the top extension section (2541) or the bottom extension section (2543).

2. The lifting connection of claim 1, wherein the width of the connecting piece (255) is 3-5 times the width of the driving rod (254).

3. The lifting connection of claim 1, wherein the connecting piece (255) is provided with an upper positioning groove (2551) and a lower positioning groove (2552), and a connecting line between the upper positioning groove (2551) and the lower positioning groove (2552) extends in a vertical direction.

4. The lifting attachment of claim 1, wherein the included angle ω is 101 ° to 135 °.