CN213991769U

CN213991769U - Connecting mechanism and electric pruning shears with same

Info

Publication number: CN213991769U
Application number: CN202022914320.1U
Authority: CN
Inventors: 吴保龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-20
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a connecting mechanism and an electric pruning shear with the connecting mechanism, wherein the connecting mechanism comprises a shell, the front end of the shell is provided with a socket, a first transmission piece is arranged in the shell, the first transmission piece can rotate relative to the inner side wall of the shell, and the first transmission piece is also provided with a first connecting end and a second connecting end; the electric pruning shears comprise a handle with a motor and an elongated tube with a fixed blade and a movable blade, wherein the handle is connected with the tail end of the connecting mechanism, the elongated tube is inserted into the socket, the first connecting end is connected with a second transmission piece of the handle, and the second connecting end is connected with a transmission line in the elongated tube. During the use, the motor in the handle can drive the first link of second driving medium transmission and rotate to make the second link of first driving medium can promote the transmission line forward and the transmission rotates in the relative fixed blade of movable blade, thereby can prune the branch of eminence, and the light in weight of extension pipe upper end, the simple operation, physical demands hangs down, and work efficiency is high.

Description

Connecting mechanism and electric pruning shears with same

Technical Field

The utility model relates to a gardens clipper technical field especially relates to a coupling mechanism and have this coupling mechanism's electronic pruning scissors.

Background

The structure of the existing electric pruning shears comprises a fixed blade, a movable blade and a handle with a motor, wherein the fixed blade and the movable blade can be sheared and separated mutually, the fixed blade is fixed on the handle, the movable blade is connected with a second transmission part of the motor positioned in the handle, and when the electric pruning shears are used, a switch can be pressed to drive the motor so as to drive the second transmission part to rotate on the movable blade, so that the movable blade and the fixed blade can be controlled to be sheared and separated mutually.

However, when the existing electric pruning shears are used for pruning branches at high positions, a user needs to add the lengthening pipe to the electric pruning shears, and the branches at the high positions can be pruned. And the mode of extension pipe is add to electronic pruning scissors now is directly to connect whole electronic pruning scissors in the upper end position of extension pipe, because be provided with the motor in electronic pruning scissors's the handle, weight is great, will lead to the weight of extension pipe upper end big like this for the user is difficult to control the equilibrium of extension pipe upper end when the operation, and the operation is very inconvenient, and physical demands is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coupling mechanism uses this coupling mechanism can realize being connected the handle and the extension pipe of electronic pruning scissors for current electronic pruning scissors becomes electronic averruncator and uses, thereby can relax prune the branch of eminence.

In order to achieve the above purpose, the utility model provides a technical scheme does: a connecting mechanism comprises a shell used for being connected with a handle and an extension pipe, wherein a socket used for being matched with the extension pipe is arranged at the front end of the shell, an opening used for being matched with a second transmission piece in the handle is arranged at the rear end of the shell, a first transmission piece is arranged in the shell and can rotate relative to the inner side wall of the shell, the first transmission piece is further provided with a first connecting end and a second connecting end, the first connecting end is used for being connected with the second transmission piece in the handle, and the second connecting end is used for being connected with a transmission line in the extension pipe.

In the above scheme, when the connecting mechanism is installed, the casing can be connected to the handle of the electric pruning shears firstly, then the lower end of the lengthened pipe is inserted into the socket at the front end of the casing, wherein the upper end of the lengthened pipe is provided with the fixed blade and the movable blade, the first connecting end of the first transmission piece is connected with the second transmission piece of the motor in the handle, and the second connecting end is connected with the transmission line of the movable shear piece, so that the installation of the connecting mechanism can be completed. When the motor is turned off, the transmission line can automatically reset to enable the movable blade and the fixed blade to be mutually sheared. Use the utility model discloses a coupling mechanism can be connected the handle of electronic pruning scissors with the extension pipe is firm to make electronic pruning scissors can prune the branch of eminence, and the handle is connected in the lower extreme position of extension pipe, and extension pipe upper end only is equipped with fixed blade and movable blade, has alleviateed the weight of extension pipe upper end by a wide margin, reaches the weight and goes up the laborsaving principle of light lever down, the simple operation, and greatly reduced user's physical demands, improved work efficiency.

In order to improve the rotation stability of the first transmission member, the rear end of the casing is provided with a first connecting hole, the first transmission member is provided with a second connecting hole, the second connecting hole is opposite to the first connecting hole, and a rotating shaft penetrates through the first connecting hole of the casing and is connected with the second connecting hole of the first transmission member.

Furthermore, the first transmission piece is a transmission block, the second connection hole is formed in the upper left end of the transmission block, the first connection end is located at the upper right end of the transmission block, the first connection end is provided with a third connection hole, the second connection end is located at the lower end of the transmission block, and the second connection end is provided with a fourth connection hole. Therefore, the first transmission piece can be conveniently connected with all parts.

Furthermore, the shell comprises a left shell and a right shell which can be buckled with each other, and the first transmission piece is positioned between the left shell and the right shell, so that the shells can be conveniently disassembled and assembled.

Further, foretell left casing includes the shell and locates the inboard fixed block of shell, and outside the opening was stretched out to the rear end of fixed block, first connecting hole seted up on the fixed block and corresponded opening outside position.

Furthermore, the upper parts of the inner sides of the shell and the right shell are provided with grooves, so that the weight of the shell can be reduced.

Furthermore, the edge of the upper part of the shell is provided with a reinforcing rib to strengthen the strength of the edge of the upper part of the left shell.

Another object of the utility model is to provide an electric pruning shear that the crop weight is light, the simple operation, physical demands is low and work efficiency is high.

In order to achieve the above purpose, the utility model provides a technical scheme does: the electric pruning shears also comprise a connecting mechanism, the handle is arranged at the rear end of the shell, the front end of the second transmission piece is connected with the first connecting end of the first transmission piece, the rear end of the lengthened pipe is inserted into a socket at the front end of the shell, and the rear end of the transmission line is connected with the second connecting end of the first transmission piece. During the use, but the starter motor, the motor can drive and rotate in the second driving medium, simultaneously the front end of second driving medium can drive and rotate in the first link end of first driving medium, so that the second link of first driving medium can promote the transmission line forward and the transmission rotates in movable blade, thereby make movable blade rotate to with fixed blade looks disjunctor state, and when closing the motor, the transmission line can automatic re-setting and make movable blade rotate to with fixed blade looks shearing state each other, just so can easily prune the branch of eminence, and the upper end light in weight of extension pipe, and the simple operation, physical demands is low, and the work efficiency is improved.

The utility model discloses a coupling mechanism can realize being connected the handle and the extension pipe of current electronic pruning scissors, make electronic pruning scissors can easily prune the branch of eminence, and the installation accomplish the back, the handle of electronic pruning scissors is located the lower extreme position of extension pipe, and the upper end of extension pipe only has two blade parts, thereby can alleviate the weight of extension pipe upper end by a wide margin, reach the weight of underweight and go up the laborsaving principle of light lever, can easily control the equilibrium of extension pipe upper end, the simple operation, and greatly reduced user's physical demands, and the work efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a connection mechanism according to a first embodiment of the present invention.

Fig. 2 is an exploded schematic view of a connection mechanism according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view of an electric pruning shear according to the second embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.

In order to explain the embodiment more simply, some parts which are known to those skilled in the art in the drawings or description but are not relevant to the main content of the present invention will be omitted. In addition, some components in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the entire structure of an actual product.

Example one

As shown in fig. 1 and 2, the present embodiment provides a connection mechanism, which includes a housing 1, the housing 1 includes a left housing 14 and a right housing 15 that are fastened to each other, the left housing 14 includes a casing 141 and a fixing block 142 fixed on an inner side wall of the casing 141, and the casing 141 and the right housing 15 are fastened to each other and then fixed by a plurality of screws. The front end between the shell 141 and the right shell 15 is formed with a circular socket 11, the tail end between the shell 141 and the right shell 15 is formed with an opening 110, the tail end of the fixing block 142 extends out of the opening 110, the fixing block 142 is provided with a first connecting hole 10, and the first connecting hole 10 is located outside the opening 110. A first transmission part is further arranged between the outer shell 141 and the right shell 15, the first transmission part is a transmission block 12 with a 7-shaped structure, the transmission block 12 is located between the fixed block 142 and the right shell 15, the upper left end of the transmission block 12 is provided with a second connection hole 121, the second connection hole 121 is aligned with the first connection hole 10 of the fixed block 142, and a rotating shaft 2 (the structure of the rotating shaft 2 is not shown in fig. 1 and 2) penetrates through the first connection hole 10 of the fixed block 142 and is connected with the second connection hole 121 of the transmission block 12, so that the transmission block 12 can rotate around the rotating shaft 2. The transmission block 12 is further provided with a first connection end and a second connection end, the first connection end is located at the upper right end of the transmission block 12, the first connection end is provided with a third connection hole 122, the second connection end is located at the lower end of the transmission block 12, and the second connection end is provided with a fourth connection hole 123.

As a modification of this embodiment, the inner upper portions of the outer shell 141 and the right shell 15 are provided with a groove 16, so that the weight of the shell 1 can be reduced. The upper edge of the outer casing 141 is provided with a reinforcing rib 17, so that the strength of the upper edge of the left housing 14 can be enhanced.

As shown in fig. 3, when the connecting mechanism of the present invention is installed, the connecting convex ring of the handle 3 of the electric pruning shears can be sleeved on the above-mentioned rotating shaft 2 corresponding to the outer side position of the housing 141, and at the same time, the connecting hole of the second transmission member 32 (the rear end surface of the second transmission member 32 is the arc tooth surface 321, the arc tooth surface 321 is connected with the transmission gear 31 of the motor in the handle 3) in the handle 3 is sleeved on the rotating shaft 2 corresponding to the position between the fixed block 142 and the right casing 15, and the front end of the second transmission member 32 is connected with the third connecting hole 122 of the transmission block 12 through a screw, then the extension pipe 4 (the front end of the extension pipe 4 is provided with the fixed cutting head 51 and the movable cutting head 52, and the transmission line 41 connected with the movable cutting head 52 is arranged in the extension pipe 4) is inserted into the insertion hole 11 between the left casing 14 and the right casing 15, and at the same time, the end of the transmission line 41 in the extension pipe 4 is connected with the fourth connecting hole 123 of the transmission block 12 through a screw, thereby completing the installation of the connection mechanism.

The coupling mechanism of this embodiment can realize the handle that the electronic pruning scissors who will have now and extension pipe are firm to be connected to make current electronic pruning scissors become electronic averruncator, thereby can easily prune the branch of eminence, and the handle is the lower extreme position of connecting at the extension pipe, has alleviateed the weight of extension pipe upper end by a wide margin, reaches the weight and goes up the laborsaving principle of light lever, the simple operation, and greatly reduced user's physical demands, improve work efficiency.

Example two

As shown in fig. 3, the present embodiment provides an electric pruning shear, which comprises a handle 3 with a built-in motor, a second transmission member 32 disposed in the handle 3, an extension tube 4, a transmission wire 41 disposed in the extension tube 4, a fixed blade 51 and a movable blade 52 capable of cutting and separating mutually, and the connecting mechanism as described in the first embodiment, wherein the handle 3 is further provided with a switch 33, the switch 33 is electrically connected to the motor, the rear end of the fixed blade 51 is fixed at the front end of the extension tube 4, the front end of the transmission wire 41 is connected to the rear end of the movable blade 52, the front end of the handle 3 is sleeved on the rotating shaft 2 through a connecting convex ring, the connecting convex ring is located outside the housing 141, the rear end surface of the second transmission member 32 is an arc tooth surface 321, the motor disposed in the handle 3 is provided with a transmission gear 31, the arc tooth surface 321 is in transmission connection with the transmission gear 31, second driving medium 32 has still seted up the commentaries on classics hole near the middle part position, and second driving medium 32 passes through its commentaries on classics hole suit and corresponds the position between transmission piece 12 and the right casing 15 on pivot 2 to make second driving medium 32 can revolve pivot 2 and rotate, the front end of second driving medium 32 passes through screwed connection with the third connecting hole 122 of transmission piece 12. The rear end of the extension tube 4 is inserted into the socket 11 at the front end of the housing 1, and the rear end of the transmission line 41 is screwed into the fourth connection hole 123 of the transmission block 12.

The utility model discloses an when electronic pruning scissors used, switch 33 that can press handle 3 starts the motor, drive gear 31 transmission by the motor is in the arc tooth flank 321 of second driving medium 32 rear end, so that the front end of second driving medium 32 upwards rotates, drive block 12 also can follow second driving medium 32 and upwards rotate simultaneously, so that the lower extreme of drive block 12 can promote driving wire 41 forward and the transmission rotates to and fixed blade alternate segregation state in activity cutting blade 52, and close the motor promptly when loosening switch 33, the driving wire can automatic re-setting this moment and make activity cutting blade 52 rotate to and fixed cutting blade alternate shear state, just so can operate the shearing and the separation of fixed cutting blade 51 and activity cutting blade 52, thereby can prune the branch of eminence. In addition, because the handle 3 is connected in the rear end of the shell 1, and the front end of the lengthened pipe 4 is only provided with two blade components, the weight of the front end of the lengthened pipe 4 can be greatly reduced, so that the electric pruning shears can achieve the labor-saving principle of a lower weight and an upper light lever when pruning branches at high positions, and thus the balance control of the front end of the lengthened pipe 4 can be very easy and convenient, the physical consumption is greatly reduced, and the working efficiency is improved.

The above-described embodiments of the present invention do not limit the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A coupling mechanism, characterized by: the handle comprises a shell (1) connected with a handle and an extension pipe, wherein a socket (11) matched with the extension pipe is arranged at the front end of the shell (1), an opening (110) matched with a second transmission piece in the handle is arranged at the rear end of the shell (1), a first transmission piece is arranged in the shell (1), the first transmission piece can rotate relative to the inner side wall of the shell (1), the first transmission piece is further provided with a first connecting end and a second connecting end, the first connecting end is used for being connected with the second transmission piece in the handle, and the second connecting end is used for being connected with a transmission line in the extension pipe.

2. The coupling mechanism of claim 1, wherein: the rear end of the shell (1) is provided with a first connecting hole (10), the first transmission piece is provided with a second connecting hole (121), the second connecting hole (121) is aligned with the first connecting hole (10), and a rotating shaft penetrates through the first connecting hole (10) of the shell (1) and is connected with the second connecting hole (121) of the first transmission piece.

3. The coupling mechanism of claim 2, wherein: the first transmission piece is a transmission block (12), the second connecting hole (121) is formed in the upper left end of the transmission block (12), the first connecting end is located at the upper right end of the transmission block (12), the first connecting end is provided with a third connecting hole (122), the second connecting end is located at the lower end of the transmission block (12), and the second connecting end is provided with a fourth connecting hole (123).

4. The coupling mechanism of claim 3, wherein: the shell (1) comprises a left shell (14) and a right shell (15) which can be buckled with each other, and the first transmission piece is positioned between the left shell (14) and the right shell (15).

5. The coupling mechanism of claim 4, wherein: left casing (14) include shell (141) and locate fixed block (142) of shell (141) inboard, outside the rear end of fixed block (142) stretches out opening (110), first connecting hole (10) are seted up and are corresponded opening (110) outside position on fixed block (142).

6. The coupling mechanism of claim 5, wherein: the upper parts of the inner sides of the shell (141) and the right shell (15) are provided with grooves (16).

7. The coupling mechanism of claim 5, wherein: and a reinforcing rib (17) is arranged at the edge position of the upper part of the shell (141).

8. The utility model provides an electronic pruning scissors, includes handle (3) that is equipped with the motor, second driving medium (32) of locating in handle (3), extension pipe (4), locate drive line (41) in extension pipe (4), can cut each other and fixed blade (51) and movable blade (52) of separation, the rear end of fixed blade (51) fixed in the front end of extension pipe (4), the front end of drive line (41) is connected with the rear end of movable blade (52), the rear end and the motor drive of second driving medium (32) be connected its characterized in that: the connecting mechanism further comprises a connecting mechanism as claimed in claims 1 to 7, wherein the handle (3) is mounted at the rear end of the housing (1), the front end of the second transmission member (32) is connected with the first connecting end of the first transmission member, the rear end of the elongated tube (4) is inserted into the socket (11) at the front end of the housing (1), the rear end of the transmission line (41) is connected with the second connecting end of the first transmission member, and when the motor is started, the front end of the second transmission member (32) drives the first connecting end of the first transmission member to rotate, so that the second connecting end of the first transmission member pushes the transmission line forward to drive the movable blade (52) to rotate and separate.