CN216820810U - Hedge trimmer - Google Patents
Hedge trimmer Download PDFInfo
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- CN216820810U CN216820810U CN202122981279.4U CN202122981279U CN216820810U CN 216820810 U CN216820810 U CN 216820810U CN 202122981279 U CN202122981279 U CN 202122981279U CN 216820810 U CN216820810 U CN 216820810U
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- trigger
- hedge trimmer
- unlocking trigger
- power supply
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Abstract
The utility model relates to a hedge trimmer.A rear trimmer body can rotate relative to a front trimmer body, the rear trimmer body comprises a rotary unlocking trigger and a microswitch arranged on one side of the rotary unlocking trigger, and the microswitch is a normally closed switch and is electrically connected to a power supply circuit; the rotary unlocking trigger is provided with a first position and a second position which are opposite to the front machine body, when the rotary unlocking trigger is positioned at the first position, the rear machine body is fixed relative to the front machine body, and the power supply circuit is conducted; when the rotary unlocking trigger is positioned at the second position, the rear machine body rotates relative to the front machine body, and the power supply circuit is disconnected. The rotation of preceding organism and back organism is controlled promptly to rotatory unblock trigger, controls supply circuit's break-make switching again, and rotatory unblock trigger is in the unlocking state's period, even start trigger is triggered, because supply circuit disconnection, the motor still can not be started, ensures safe in utilizationly. The gravity center of the whole hedge trimmer is shifted, the using posture of the hedge trimmer is more stable, the force distribution and the gravity center control of an operator are facilitated, and the hedge trimmer is not easy to fatigue.
Description
[ technical field ] A
The utility model relates to a garden electric tool, in particular to a hedge trimmer.
[ background ] A method for producing a semiconductor device
The hedge trimmer is used as a commonly used garden electric tool, can be used for trimming or trimming shrubs and hedges, and has the advantages of convenience in operation, high cutting efficiency and the like. The main components of the hedge trimmer comprise a blade assembly, a front machine body and a rear machine body, the use state of the traditional hedge trimmer cannot be changed due to the fact that the front machine body and the rear machine body are fixed in structure, an operator needs to frequently adjust the posture of a human body or an arm to rotate the hedge trimmer to change the use state when trimming working faces at different angles, such as inclined cutting or vertical cutting, operation is inconvenient, the hedge trimmer can only adapt to cutting of a simple horizontal plane, and trimming requirements are difficult to meet.
With the development of the technology, some companies develop models with rotatable rear bodies, but the models still have the following disadvantages: in the process of trimming the blade of the hedge trimmer in a high-speed reciprocating motion, the rear machine body can still operate and rotate, so that accidents are easy to happen, and personal injury is caused to operators.
Accordingly, there is a need for an improved hedge trimmer that overcomes the drawbacks of the prior art.
[ Utility model ] A method for manufacturing a semiconductor device
In view of the disadvantages of the prior art, the utility model aims to provide a hedge trimmer which is high in lifting safety and easy to operate.
The utility model can adopt the following technical scheme to solve the problems in the prior art: a hedge trimmer comprises a front trimmer body, a blade assembly connected to the axial front end of the front trimmer body and a rear trimmer body connected to the axial rear end of the front trimmer body, wherein the front trimmer body comprises a motor for driving the blade assembly to move, the motor is used for driving the blade assembly to reciprocate, the rear trimmer body comprises a power supply circuit electrically connected with the motor and a power supply connected to the rear trimmer body, and the power supply supplies power to the motor through the power supply circuit; the rear machine body can rotate relative to the front machine body, the rear machine body comprises a rotary unlocking trigger and a microswitch arranged on one side of the rotary unlocking trigger, and the microswitch is a normally closed switch and is electrically connected to the power supply circuit; the rotary unlocking trigger is provided with a first position and a second position which are opposite to the front machine body, when the rotary unlocking trigger is positioned at the first position, the rotary unlocking trigger locks the front machine body and is far away from the microswitch, at the moment, the rear machine body is fixed relative to the front machine body, and the power supply circuit is conducted; when the rotary unlocking trigger is located at the second position, the rotary unlocking trigger is tripped with the front machine body and triggers the microswitch, the rear machine body rotates relative to the front machine body, and the power supply circuit is disconnected.
The further improvement scheme is as follows: the front machine body is provided with a cylindrical rotating shaft part positioned at the rear end part, the rotating shaft part is provided with a plurality of locking holes distributed on the peripheral surface, the rotating unlocking trigger is provided with a locking pin positioned at the front end and matched with the locking holes, when the rotating unlocking trigger is positioned at a first position, the locking pin is inserted into the locking holes, and the rear machine body is fixed relative to the front machine body; when the rotary unlocking trigger is located at the second position, the lock pin is separated from the lock hole, and the rear machine body rotates relative to the front machine body.
The further improvement scheme is as follows: the rotary unlocking trigger and the rear machine body form sliding connection or rotating connection, and the rear end of the rotary unlocking trigger is exposed out of the rear machine body and used for operation of a user.
The further improvement scheme is as follows: the rotary unlocking trigger is provided with a hook-shaped part which is positioned at the rear end and exposed out of the rear machine body, and the free tail end of the hook-shaped part bends towards the lower side of the rear machine body.
The further improvement scheme is as follows: the rear machine body is provided with an elastic piece positioned between the lock pin and the inner wall of the rear machine body, and the elastic piece and the microswitch are positioned on the same side of the rotary unlocking trigger.
The further improvement scheme is as follows: the plurality of lock holes are arranged at the same interval along the circumferential direction of the rotating shaft.
The further improvement scheme is as follows: the plurality of lock holes are formed with the gear of preceding organism relative rear body rotatable angle, and the angle difference of adjacent gear is 45.
The further improvement scheme is as follows: the front machine body is provided with a first handle which extends along the transverse direction perpendicular to the axial direction, the first handle is provided with a transversely arranged holding part and a connecting part which is connected to the front machine body from the transverse two ends of the holding part, an elastic component is arranged between the connecting part and the front machine body, and the elastic component is rubber or a spring.
The further improvement scheme is as follows: the rear machine body is provided with a second handle extending along the axial direction and a starting trigger controlling the motor to start, and the starting trigger and the rotary unlocking trigger are respectively positioned on the upper side and the lower side of the inner ring of the second handle.
The further improvement scheme is as follows: the rear machine body is provided with a battery pack, a straight line which passes through the gravity center of the blade assembly and is parallel to the axial direction of the rear machine body is a center dividing line, and the gravity center of the hedge trimmer after the battery pack is assembled is positioned on one side of the center dividing line.
Compared with the prior art, the utility model has the following beneficial effects: the front machine body can rotate relative to the rear machine body, so that the use requirements of users can be conveniently met; the rotation of preceding organism and back organism is controlled promptly to rotatory unblock trigger, controls supply circuit's break-make switching again, and rotatory unblock trigger is in the unlocking state's period, even start trigger is triggered, because supply circuit disconnection, the motor still can not be started, ensures safe in utilizationly. The rotary unlocking trigger is arranged in a hook shape, so that the operation is convenient, the space is reasonably utilized, and the structure is compact. The gravity center of the whole hedge trimmer is shifted, the using posture of the hedge trimmer is more stable, the force distribution and the gravity center control of an operator are facilitated, and the hedge trimmer is not easy to fatigue.
[ description of the drawings ]
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:
FIG. 1 is a schematic view of a hedge trimmer according to the present invention;
FIG. 2 is an exploded view of the front and rear body of the hedge trimmer of FIG. 1;
FIG. 3 is a sectional view of a connecting portion between a front body and a rear body of the hedge trimmer shown in FIG. 1;
fig. 4 is a top view of fig. 1.
The meaning of the reference symbols in the figures:
10. front body 101, first handle 102, and rotation shaft
1021. Lock hole 20, rear body 201, second handle
11. Rotary unlocking trigger 111, lock pin 12, microswitch
13. Elastic member 14, battery pack 15 and blade assembly
16. Starting trigger 17, midsplit line
[ detailed description ] embodiments
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the hedge trimmer defined by the body axis direction as the front-back direction at least comprises a blade assembly 15, a protective cover for preventing splashes, a front body 10 with a first handle 101 and a rear body 20 with a second handle 201, the blade assembly 15 is mounted at the axial front end of the front body 10, the front body 10 comprises a motor connected to the blade assembly 15, the motor is used for driving the blade assembly 15 to reciprocate, the rear body 20 comprises a power supply circuit electrically connected to the motor and a power supply connected to the rear body 20, and the power supply supplies power to the motor through the power supply circuit. The blade assembly 15 has an upper cutting blade and a lower cutting blade, both of which extend forward from the front body 10 and have blades. The motor drives the transmission element to carry out eccentric operation through the output shaft, thereby realizing that two shearing blades of the blade assembly 15 carry out reciprocating motion relatively, and when the blade assembly 15 moves along the vegetation surface, the cutting function can be realized.
When different scenes such as the horizontal plane of vegetation and the side of vegetation are trimmed, an operator needs to switch between the flat cutting operation and the side cutting operation. When front body 10 is rotated relative to rear body 20, the blade assembly can be oriented horizontally, obliquely or vertically. Referring to fig. 2 and 3, in the preferred embodiment of the present invention, the front body 10 has a cylindrical rotation shaft 102 located at the rear end, the rotation shaft 102 has a plurality of locking holes 1021 located on the outer peripheral surface and uniformly distributed, the rear body 20 is connected with a rotation unlocking trigger 11 for unlocking the rotation state of the front body 10 and the rear body 20, and the rotation unlocking trigger 11 and the rear body 20 form a sliding connection or a rotating connection. The front end of the rotary unlocking trigger 11 forms a lock pin 111 engaged with the lock hole 1021, and the rear end of the rotary unlocking trigger 11 is exposed out of the rear body 20 for being pushed by an operator to move the trigger relative to the rear body 20. When the rotary unlocking trigger 11 is at the initial first position, the lock pin 111 is inserted into the lock hole 1021, and is kept at the lock position as long as no external force is applied, and at this time, the front body 10 is fixed relative to the rear body 20; when the rotary unlocking trigger 11 is pushed by the operator to be in the second position sliding a predetermined distance or rotating a predetermined angle relative to the first position, the lock pin 111 is disengaged from the lock hole 1021, and the front body 10 is rotatable relative to the rear body 20.
A plurality of gears are disposed at an angle at which the front body 10 can rotate relative to the rear body 20, a plurality of locking holes 1021 are arranged at the same interval along the circumferential direction of the rotating shaft 102, each locking hole 1021 corresponds to a gear at which the front body 10 can rotate relative to the rear body 20, and the angle difference between adjacent gears is 45 °. For example, four gear positions may be provided, and the front body 10 may be rotated counterclockwise by 45 degrees, 90 degrees, or clockwise by 45 degrees, 90 degrees with respect to the rear housing 20. The angle of 90 degrees is used for horizontal and vertical line trimming, and the angle of 45 degrees is used for inclination angle and smooth transition, so that the requirements of general rough trimming and fine trimming can be met.
In the preferred embodiment of the present invention, the second handle 201 is a longitudinal ring-shaped handle extending in the axial direction of the body. A starting trigger 16 for starting the motor and a rotation unlocking trigger 11 for unlocking the rotation state of the front body 10 and the rear body 20 are respectively positioned at the upper side and the lower side of the inner ring of the second handle 201 to reasonably utilize the space and realize a compact structure. Further, a portion of the rear end of the rotary unlocking trigger 11 exposed to the rear body 20 is provided in a hook shape, and a free distal end of the hook is bent toward the lower side of the rear body 20. When the operator grips the second handle 201, the rotary unlocking trigger 11 can be pulled upward by the index finger and the middle finger, which is convenient for operation and meets the ergonomics. An elastic member 13 is provided between the latch pin 111 and the rear body 20 so that the rotary unlocking trigger 11 can be returned to an initial position when not used by an operator.
Different from the blade assembly 15 of the hedge trimmer in the prior art, the rear machine body 20 can still operate and rotate in the operation process, so that accidents are easy to happen, and personal injuries are caused to operators. In the preferred embodiment of the present invention, the hedge trimmer further comprises a micro switch 12 disposed at one side of the rotary unlocking trigger 11, wherein the micro switch 12 is a normally closed switch and is electrically connected to a power supply circuit of the motor. When the rotary unlocking trigger 11 is at the initial first position, the front machine body 10 is fixed relative to the rear machine body 20, at the moment, the rotary unlocking trigger 11 is far away from the microswitch 12, a power supply circuit of the motor is conducted, and the motor can be started after the starting trigger 16 is pressed; when the rotary unlocking trigger 11 is pushed by an operator and is located at a second position which slides for a preset distance or rotates for a preset angle relative to the first position, the front body 10 can rotate relative to the rear body 20, and at the moment, the rotary unlocking trigger 11 triggers the microswitch 12, so that the power supply circuit is disconnected. Even if the start trigger 16 is pressed by the operator, the motor cannot be started because the power supply circuit is in the off state, ensuring safe use.
In the preferred embodiment of the present invention, the hedge trimmer comprises a first handle 101 disposed on the front body 10 and a second handle 201 disposed on the rear body 20 for being held by both hands of the operator. In order to prevent personal injury caused by the false start of an operator to the machine, the first handle 101 and the second handle 201 are both provided with the starting trigger 16, and the machine can be started only when the screwing unlocking trigger 11 is in a non-unlocking state and the starting triggers 16 on the two handles are pressed down by the operator at the same time, so that the safety is improved. The first handle 101 is a ring-shaped handle extending in a transverse direction perpendicular to the axial direction of the front body 10. The first handle 101 includes a grip portion and connecting portions connected to left and right sides of the front body 10 from both lateral ends of the grip portion, and a U-shaped starting trigger 16 extends along an inner contour of the grip portion, and the operator can trigger the U-shaped starting trigger 16 by pressing in either direction of the first handle 101.
Since the hedge trimmer generates large vibration during use and the vibration is directly transmitted to the operator holding the handle through the handle, in the preferred embodiment of the present invention, an elastic member, preferably rubber or spring, is disposed between the connecting portion of the first handle 101 and the front body 10, and absorbs part of the vibration through the elastic member to enhance the user experience.
Power supply unit is connected to back organism 20 and supplies power for the motor through supply circuit, and power supply unit can pass through external power sources such as power cord connection commercial power socket, battery package or directly peg graft the battery package on the organism in order to provide the electric energy, and the battery package is the storage electric energy that charges after can independent dismouting. In the preferred embodiment of the present invention, the battery pack 14 is inserted into the rear body 20 from the side or the rear of the rear body 20, taking the case that the body is directly inserted into the battery pack 14 as an example. The weight of the battery pack 14 and the weight of the blade assembly 15 protruding forward are balanced with each other, and the center of gravity of the hedge trimmer can be prevented from shifting in one of the front-rear directions.
With the development of the technology, the capacity of the battery pack is continuously increased, and the weight of the battery pack accounts for a large proportion of the total weight of the electric tool. Therefore, the position of the center of gravity of the electric power tool is affected by the battery pack and changes. Referring to fig. 4, in the preferred embodiment of the present invention, a straight line passing through the center of gravity of the blade assembly 15 and parallel to the axial direction of the body is taken as a median line 17, and the body portion when the battery pack 14 is not mounted is symmetrical to the median line 17, i.e., the center of gravity of the body portion is also located on the median line 17; after the battery pack 14 is installed on the machine body, the battery pack 14 is not symmetrical left and right relative to the middle dividing line 17, and the part of the battery pack 14 on the left side of the middle dividing line 17 is larger than the part of the battery pack on the right side of the middle dividing line 17, so that the center of gravity of the hedge trimmer after the battery pack 14 is installed is located on the left side of the middle dividing line 17. On statistical grounds, there are far more right-handed operators than left-handed operators, and in use, the operator will hold the second handle 201 with the right hand and the first handle 101 with the left hand, i.e. the hedge trimmer is usually located on the right side of the operator's body. According to the utility model, the gravity center of the hedge trimmer is arranged to be deviated to the left side where the operator is located, so that the use posture of the hedge trimmer is more stable, the force distribution and the gravity center control of the operator are facilitated, the hedge trimmer is not easy to fatigue and is convenient to operate easily.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122981279.4U CN216820810U (en) | 2021-11-30 | 2021-11-30 | Hedge trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122981279.4U CN216820810U (en) | 2021-11-30 | 2021-11-30 | Hedge trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216820810U true CN216820810U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122981279.4U Active CN216820810U (en) | 2021-11-30 | 2021-11-30 | Hedge trimmer |
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| CN (1) | CN216820810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114223419A (en) * | 2021-11-30 | 2022-03-25 | 江苏东成工具科技有限公司 | Hedge trimmer |
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2021
- 2021-11-30 CN CN202122981279.4U patent/CN216820810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114223419A (en) * | 2021-11-30 | 2022-03-25 | 江苏东成工具科技有限公司 | Hedge trimmer |
| WO2023098495A1 (en) * | 2021-11-30 | 2023-06-08 | 江苏东成工具科技有限公司 | Hedge trimmer |
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