CN210580040U

CN210580040U - Electric grass trimmer

Info

Publication number: CN210580040U
Application number: CN201920983148.XU
Authority: CN
Inventors: 沈焕军
Original assignee: Ningbo Aosheng Machine Co ltd
Current assignee: Ningbo Aosheng Machine Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-22
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an electric grass mower, which comprises an operating rod, a battery and a grass mowing head, wherein the grass mowing head is arranged at one end of the operating rod, the operating rod comprises an inner telescopic rod and an outer telescopic rod which is sleeved on the inner telescopic rod in a sliding manner, a locking control device is arranged on the outer telescopic rod, the locking control device comprises a plurality of first moving rods which are positioned outside the circumference of the inner telescopic rod and a plurality of second moving rods which are respectively corresponding to the first moving rods, one end of each first moving rod is provided with a friction plate and is contacted with the outer annular surface of the inner telescopic rod, and the other end of each first moving rod is provided with a first guide inclined surface; one end of the second moving rod is provided with a second guide inclined plane matched with the first guide inclined plane, and the locking control device further comprises a nut which is connected to the outer telescopic rod in a threaded mode and used for pushing the second moving rod to move. The utility model discloses in, the length of operating lever can effectively be adjusted, just so can be applicable to the operator of different heights, has effectively improved the comfort level that the operator used.

Description

Electric grass trimmer

Technical Field

The utility model relates to a garden machine technical field, in particular to electronic machine of beating grass.

Background

An electric grass trimmer is a commonly used garden machine. At present electronic machine of beating grass commonly used includes the action bars usually, beat the grass head, battery and handle, beats the grass head and sets up the front end at the action bars, and the battery provides electric power for beating the grass head, and the handle setting is on the action bars, and the user operates through holding the handle. However, the length of the operating rod of the existing electric grass trimmer is fixed and cannot be adjusted, and different operators have different heights, so that the existing electric grass trimmer cannot be well matched with the heights of the operators, and the comfort level of the existing electric grass trimmer is poor.

For example, chinese patent publication No.: CN 105493755A, the invention name is a multifunctional landscaping management machine, which comprises a machine body, a motor with a cutter and a battery box, wherein the machine body is provided with a gear switch, one end of the machine body is provided with an intelligent control device which is electrically connected with the motor and the battery box respectively, the other end of the machine body is provided with a mounting seat for mounting the motor, and the mounting seat is hinged with the machine body. The invention has the following disadvantages: its length of organism (being equivalent to the action bars) is fixed, and length is unable to be adjusted, and different operators because there is the difference in height, consequently this utility model can not be well with operator's height phase-match, leads to using the comfort level relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current electronic grass trimmer because the length of operating rod can't be adjusted, and there is great difference in different operators ' height, electronic grass trimmer can not well with operator's height phase-match, lead to using the relatively poor problem of comfort level, provide an electronic grass trimmer, can adjust the length of operating rod to can adapt to the operator of different heights, improve the comfort level that the operator used.

The utility model aims at realizing through the following technical scheme: an electric grass trimmer comprises an operating rod, a battery and a grass trimming head, wherein the grass trimming head is arranged at one end of the operating rod, the operating rod comprises an inner telescopic rod and an outer telescopic rod which is sleeved on the inner telescopic rod in a sliding manner, a locking control device is arranged on the outer telescopic rod and comprises a plurality of first moving rods which are positioned on the outer side of the circumference of the inner telescopic rod and second moving rods which correspond to the first moving rods respectively, the first moving rods move along the radial direction of the inner telescopic rod, one end of each first moving rod is provided with a friction plate and is in contact with the outer annular surface of the inner telescopic rod, and the other end of each first moving rod is provided with a first guide inclined surface; the second movable rod moves along the axial direction of the inner telescopic rod, one end of the second movable rod is provided with a second guide inclined plane matched with the first guide inclined plane, and the locking control device further comprises a nut which is connected with the outer telescopic rod through threads and used for pushing the second movable rod.

The utility model discloses in, the head of beating the grass is used for carrying out the gardens pruning, and the battery is for the head power supply of beating the grass. The operating rod comprises outer telescopic link and interior telescopic link, and interior telescopic link can outwards or inwards slide by relative outer telescopic link to make the length of operating rod can adjust. The locking control device controls the locking or the unlocking between the inner telescopic rod and the outer telescopic rod. When the locking device is used for locking, the nut is rotated to push the second movable rod to move forwards, and due to the fact that the first movable rod and the second movable rod are matched through the guide inclined plane, the second movable rod can generate pressing force along the radial direction of the inner telescopic rod on the first movable rod, the first movable rod is pushed to move towards the inner telescopic rod until the inner telescopic rod is pressed tightly, and therefore the inner telescopic rod and the outer telescopic rod are locked; when the nut is loosened, the nut rotates reversely, the first movable rod and the second movable rod are loosened, the pressing force between the first movable rod and the inner telescopic rod disappears, and the inner telescopic rod and the outer telescopic rod can move relatively. The friction disc can increase the frictional force when second carriage release lever contacts with interior telescopic link, improves the locking effect. The utility model discloses in, the length of operating lever can effectively be adjusted, just so can be applicable to the operator of different heights, has effectively improved the comfort level that the operator used.

Preferably, the battery is fixed at one end of the operating rod far away from the grass cutting head. With the battery setting at the other end of beating the grass head, can balance the weight that the whole action bars was gone up and is born, avoid appearing the too heavy phenomenon of action bars one end and influence operator's use.

Preferably, the grass cutting head comprises a motor cover, a motor, a protective cover and a grass cutting rope, the motor cover is connected to the end of the operating rod, the motor is arranged in the motor cover, and the grass cutting rope is arranged on an output shaft of the motor. The motor is electrically connected with the battery, and the rotation of the motor drives the grass beating rope to rotate at a high speed, so that the grass or shrubs are cut. The guard shield can effectively shelter from the grass or the bush that are cut off, plays the guard action to the operator.

Preferably, the operating rod is further provided with a handle, the handle is U-shaped, and one end of the handle is provided with a controller. The battery and the motor are respectively electrically connected with the controller, a control circuit is arranged in the controller, a plurality of control switches are further arranged on the controller, and the switches and the rotating speed of the motor are controlled through the controller. The handle is "U" shape, and the operator both hands of being convenient for are held. The controller is arranged at one end of the handle, so that an operator can operate the controller conveniently.

Preferably, the two ends of the handle are both provided with a holding sleeve. The comfort level when the operator holds can be improved to the grip.

Preferably, the locking control device comprises an annular boss arranged on the outer annular surface of the outer telescopic rod, the annular boss is provided with a first guide hole corresponding to the first movable rod and a second guide hole corresponding to the second movable rod, the first guide hole is arranged along the radial direction of the inner telescopic rod, the second guide hole is arranged along the axial direction of the inner telescopic rod, the first movable rod is slidably connected in the first guide hole, and the second movable rod is slidably connected in the second guide hole. The first guide hole plays a role in guiding the first moving rod, and the first moving rod moves in the first guide hole along the axial direction of the first guide hole. The second guide hole guides the second moving rod, and the second guide rod moves in the second guide hole along the axial direction of the second guide hole.

Preferably, a sliding ring is arranged on one side, away from the first moving rod, of the second moving rod, the sliding ring is connected to the outer telescopic rod in a sliding mode, and the second moving rods are fixed to one ends of the sliding ring; the nut is arranged at one end of the sliding ring far away from the second moving rod in an abutting mode. When the nut rotates, the sliding ring can be pushed to move along the axial direction of the inner telescopic rods, and the second moving rods are fixed at one end of the sliding ring, so that all the second moving rods can be driven to move synchronously through the sliding ring, all the first moving rods can further move synchronously, and all the first moving rods can be locked synchronously with the inner telescopic rods.

The utility model has the advantages that: the utility model discloses in, the length of operating lever can effectively be adjusted, just so can be applicable to the operator of different heights, has effectively improved the comfort level that the operator used. The friction disc can increase the frictional force when second carriage release lever contacts with interior telescopic link, improves the locking effect. When the nut rotates, the balls can reduce the friction force between the end face of the nut and the end face of the sliding sleeve.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a cross-sectional view of the locking control device.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is a schematic structural view of the second movable rod connected with the slide ring.

In the figure: 1. the straw cutting machine comprises an inner telescopic rod, 2, an inner telescopic rod, 3, a battery, 4, a motor cover, 5, a protective cover, 6, a straw cutting rope, 7, a handle support, 8, a handle, 9, a locking screw, 10, a holding sleeve, 11, a controller, 12, an annular boss, 13, a first moving rod, 14, a sliding ring, 15, a nut, 16, a second moving rod, 17, a friction plate, 18 and a ball.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example (b):

as shown in fig. 1 to 5, an electric grass trimmer comprises an operating rod, a battery 3, a grass cutting head, a handle bracket 7 and a handle 8. The operating rod comprises an outer telescopic rod 1 and an inner telescopic rod 2. The outer telescopic rod 1 and the inner telescopic rod 2 are both of circular tube structures. The outer telescopic rod 1 is sleeved on the inner telescopic rod 1 in a sliding manner. The inner telescopic rod 2 and the outer telescopic rod 1 are coaxially arranged. The outer telescopic rod 1 is provided with a locking control device. The locking control device is arranged on the outer telescopic rod 1 and close to one end connected with the inner telescopic rod 2. The locking control device comprises an annular boss 12, a first moving rod 13, a second moving rod 16, a nut 15 and a sliding ring 14. The annular boss 12 is provided on the outer circumferential surface of the outer telescopic rod 1. The annular boss 12 is annular and is disposed coaxially with the outer telescopic rod 1. The annular boss 12 is provided with a plurality of first guide holes and second guide holes corresponding to the first guide holes respectively. In this embodiment, the number of the first guide holes is six. The first guide hole is provided along the radial direction of the inner telescopic rod 2. The first guiding holes are distributed on the outer side of the circumference of the inner telescopic rod 2 in a circular array. One end of the first guide hole close to the inner telescopic rod penetrates through the outer telescopic rod 1. The cross section of the first guide hole is rectangular. The number of the second guide holes is the same as the number of the first guide holes. The second guide hole is provided along the axial direction of the inner telescopic rod 2. One end of the first guide hole far away from the inner telescopic rod is communicated with the second guide hole. The number of the first moving bars 13 is the same as the number of the first guide holes. The first moving bars 13 are slidably coupled in the first guide holes, respectively. One end of the first moving rod 13 near the inner telescopic rod 2 is provided with a friction plate 17 and contacts with the outer circumferential surface of the inner telescopic rod 2. The other end of the first moving bar 13 is provided with a first guide slope. The number of the second moving bars 16 is the same as the number of the second guide holes. One ends of the second moving rods 16 are slidably coupled in the second guide holes, respectively. One end of the second moving bar 16 close to the first moving bar 13 is provided with a second guide slope cooperating with the first guide slope. The inclined plane angle of the first guide inclined plane and the inclined plane angle of the second guide inclined plane are both 45 degrees. The other end of the second moving bar 16 extends out of the second guide hole. The slip ring 14 is annular. The slip ring 14 is slidably connected to the outer telescopic rod 1. The slip ring 14 is provided on the side of the second moving bar 16 remote from the first moving bar 13. The ends of the second movable rods 16 remote from the first movable rod 13 are fixedly connected to one end of the slip ring 14. The nut 15 is connected on the outer telescopic rod 1 in a threaded manner. A nut 15 is provided immediately at the end of the slide ring 14 remote from the second travel bar 16. The sliding ring 14 is provided with a plurality of ball grooves at one end near the nut 15. The ball grooves are embedded with balls 18. The balls 18 are in rolling contact with the end surface of the nut 15.

The grass cutting head is arranged at one end of the operating rod. The grass cutting head comprises a motor cover 4, a motor, a protective cover 5 and a grass cutting rope 6. The motor cover 4 is connected to the end of the operating rod. The motor is arranged in the motor cover. The grass beating rope 6 is arranged on an output shaft of the motor. The rotation of the motor drives the grass beating rope to rotate at high speed, so that the grass or shrub is cut. The shield 5 can effectively shield the cut grass or shrub, and protect the operator. The battery 3 is arranged at one end of the operating rod far away from the grass cutting head.

The handle bracket 7 is arranged on the outer telescopic rod 1. The handle bracket 7 is provided with a mounting hole. The handle 8 passes through the mounting hole. One side of the mounting hole is in threaded connection with a locking screw. The front end of the locking screw is abutted against the handle 8. The handle 8 is U-shaped. Both ends of the handle 8 are provided with a grip sleeve 10. One end of the handle 8 is provided with a controller 11. The controller 11 is internally provided with a control circuit. The controller 11 is also provided with a plurality of control switches. The motor and the battery 3 are both electrically connected to the controller store. The operator controls the on-off and the rotating speed of the motor through the controller.

The utility model discloses in, the head of beating the grass is used for carrying out the gardens pruning, and the battery is for the head power supply of beating the grass. The operating rod comprises outer telescopic link and interior telescopic link, and interior telescopic link can outwards or inwards slide by relative outer telescopic link to make the length of operating rod can adjust. The locking control device controls the locking or the unlocking between the inner telescopic rod and the outer telescopic rod. When the locking device is used for locking, the nut is rotated to push the second movable rod to move forwards, and due to the fact that the first movable rod and the second movable rod are matched through the guide inclined plane, the second movable rod can generate pressing force along the radial direction of the inner telescopic rod on the first movable rod, the first movable rod is pushed to move towards the inner telescopic rod until the inner telescopic rod is pressed tightly, and therefore the inner telescopic rod and the outer telescopic rod are locked; when the nut is loosened, the nut rotates reversely, the first movable rod and the second movable rod are loosened, the pressing force between the first movable rod and the inner telescopic rod disappears, and the inner telescopic rod and the outer telescopic rod can move relatively. The utility model discloses in, the length of operating lever can effectively be adjusted, just so can be applicable to the operator of different heights, has effectively improved the comfort level that the operator used.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides an electronic machine of beating grass, includes action bars, battery, the head of beating the grass sets up the one end at the action bars, its characterized in that: the operating rod comprises an inner telescopic rod and an outer telescopic rod which is sleeved on the inner telescopic rod in a sliding mode, a locking control device is arranged on the outer telescopic rod and comprises a plurality of first moving rods which are located on the outer side of the circumference of the inner telescopic rod and second moving rods which correspond to the first moving rods respectively, the first moving rods move along the radial direction of the inner telescopic rod, one end of each first moving rod is provided with a friction plate and is in contact with the outer annular surface of the inner telescopic rod, and the other end of each first moving rod is provided with a first guide inclined surface; the second movable rod moves along the axial direction of the inner telescopic rod, one end of the second movable rod is provided with a second guide inclined plane matched with the first guide inclined plane, and the locking control device further comprises a nut which is connected with the outer telescopic rod through threads and used for pushing the second movable rod.

2. An electric lawnmower according to claim 1, wherein the battery is secured to the end of the operating lever remote from the grass cutting head.

3. An electric lawnmower according to claim 1, wherein the grass cutting head comprises a motor cover connected to the end of the operating lever, a motor disposed in the motor cover, a shroud, and a grass cutting cord disposed on the output shaft of the motor.

4. The electric grass trimmer according to claim 1, wherein the operating rod is further provided with a handle, the handle is U-shaped, and one end of the handle is provided with a controller.

5. An electric lawnmower according to claim 4, wherein the handle is provided with grip sleeves at both ends.

6. The electric lawn mower of claim 1, wherein the locking control device comprises an annular boss disposed on an outer circumferential surface of the outer telescopic rod, the annular boss being provided with a first guide hole corresponding to the first movable rod and a second guide hole corresponding to the second movable rod, the first guide hole being disposed along a radial direction of the inner telescopic rod, the second guide hole being disposed along an axial direction of the inner telescopic rod, the first movable rod being slidably coupled in the first guide hole, and the second movable rod being slidably coupled in the second guide hole.

7. The electric mower according to claim 1, wherein a side of the second movable bar remote from the first movable bar is provided with a slip ring, the slip ring is slidably connected to the outer telescopic bar, and the second movable bars are fixed at one end of the slip ring; the nut is arranged at one end of the sliding ring far away from the second moving rod in an abutting mode.