CN220441336U - Knapsack type adjustable weeding machine - Google Patents

Abstract

The utility model belongs to the technical field of mower tools, and discloses a knapsack type adjustable weeding machine, wherein a telescopic handle is connected to a knapsack box through a universal connecting piece, a connecting arm is slidably arranged at the end part of the telescopic handle, a bearing disc is connected with the connecting arm through a plug-in arm, a motor seat of a built-in motor is arranged on the bearing disc through a bolt, and a cutting blade is arranged on an output shaft of the motor; in addition, a height adjusting auxiliary mechanism consisting of a telescopic tube and a belt pulley telescopic rod is arranged at the bottom of the inserting arm. According to the weeding machine, the motor drives the cutting blade to rotate for cutting and weeding through the power supply of the storage battery, the cutting angle and the distance can be adjusted by pulling and stretching by matching with the telescopic handle under the action of the universal connecting piece, and the requirements of different weeding angles of a weed harvesting area and the weeding positions of the weed harvesting area are met; the belt pulley telescopic rod can be adjusted according to the scale marks and the height is locked through the locking knob, so that the requirement of consistent height of the mowing lands is met.

Description

Knapsack type adjustable weeding machine

Technical Field

The utility model belongs to the technical field of mower tools, and particularly relates to a backpack type adjustable weeding machine.

Background

In the season of plant overgrowth, in order to solve the overgrowth of grasslands in public places such as greening parks and road isolation belts, the beautiful appearance of the grasslands is not affected, and at present, mowers need to trim the grass cutting tools approximately every ten days, so that the whole beautiful appearance of the grasslands is ensured. Mowing tools on the existing market are divided into two types from the carrying mode: one is a inclined herbicide taking as an example a multifunctional herbicide disclosed in the authorized bulletin number CN 213523085U; another is a knapsack type weeder, taking a portable weeder disclosed by an authorized bulletin number of CN 207284227U, an artificial knapsack type weeder disclosed by an authorized bulletin number of CN 214178080U, a knapsack type weeder for gardens disclosed by an authorized bulletin number of CN 216752771U, and other weeders as examples.

In the existing two types of weeding machines, the inclined carrying type weeding machine is common, the weeding machine adopts an integrated design, but the use and the operation are relatively heavy and laborious, and meanwhile, the spine of a mowing worker is easy to be subjected to side bending damage due to long-term inclined carrying; the knapsack type weeding machine is characterized in that the mowing cutter part and the back hanging driving part are designed in a separated mode, so that the mowing cutter part is labor-saving and light when used for mowing alone, but the cutter head and the handle are fixedly connected in the above-mentioned published patent document, and the handle is not restrained, so that when the mowing machine is used for mowing a special area angle, the mowing angle is adjusted by a mowing worker through grasping the handle through both hands according to experience, and the mowing operation intensity is high; in addition, mowing is realized by lifting or lowering the cutter by mowing workers, and the mowing height is consistent because the mowing operation time of the mowing cutter part is long and the mowing cutters are lifted by both hands in a matched manner, so that the mowing height is not ensured, the trimmed grasslands are uneven, the attractiveness is influenced, and the weed harvesting efficiency is lower. Meanwhile, the inclined-carrying type weeding machine also has the problem of adjusting the mowing angle and the mowing height.

Therefore, based on the advantage of labor saving in use of the knapsack type weeding machine, the mowing cutter part of the knapsack type weeding machine is redesigned, and the mowing machine is suitable for trimming plant walls and plants with complex shapes under the conditions of different heights and mowing angles, so that mowing working efficiency and trimming quality are guaranteed.

Disclosure of Invention

In order to overcome the defects in the prior art, namely, the problems of mowing angles and mowing heights of the two existing herbicides, the utility model adopts the operation arm which is connected with the telescopic handle through the universal connecting piece, thereby realizing the random adjustment of the mowing angles; in addition, be provided with telescopic tube and band pulley telescopic link on the bottom of grafting arm, realize mowing high adjustment through adjusting the band pulley telescopic link. Based on the structure, the utility model provides a knapsack type adjustable weeding machine.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a knapsack formula weeder with adjustable, includes knapsack case, it is by the case body to and the top cap that closes at its top and two braces that set up above that be provided with the handle on the top cap, be provided with the battery in the case body, correspond on one of them lateral wall of case body the power socket of battery is provided with the spliced eye, is connected with flexible handle through universal connector on one of them lateral wall of case body, is provided with the linking arm on the tip of flexible handle be provided with the joint dish through the joint arm be provided with telescopic tube on the bottom of joint arm, be provided with the band pulley telescopic link in the telescopic tube is movable, and be provided with locking knob and scale mark on telescopic tube respectively, install the motor cabinet through the bolt on the joint dish, be provided with the motor in the motor cabinet, be provided with the cutting blade on the output shaft of motor, the plug on the power cord of motor passes the spliced eye with the power socket of battery is connected, for the motor provides the power.

As a further explanation and limitation of the above technical solution, the universal connector comprises a connection base installed on the box body and a cross connector hinged on the connection base, the telescopic handle comprises a hollow handle hinged on the cross connector and a telescopic handle movably arranged on the telescopic handle, a spring pin is arranged on the telescopic handle, a plurality of adjusting holes corresponding to the spring pin are equidistantly arranged on the hollow handle, and the connecting arm is slidably arranged on the telescopic handle.

As further explanation and limitation of the above technical scheme, the connecting arm comprises a connecting rod, a sliding block and a plug connector, wherein the two ends of the sliding block are fixedly connected with each other, a fastening bolt is arranged on the sliding block, a sliding groove corresponding to the sliding block is arranged on the telescopic handle, and the connecting arm is in plug connection with the plug arm through the plug connector and is fixedly connected with the plug arm through the bolt.

As a further explanation and limitation of the above technical solution, the motor base includes a base housing mounted on the receiving plate by bolts, and a protective cover covering the base housing, and the motor is mounted in the base housing.

As a further supplementary illustration of the above-mentioned solution, a cutter disc is provided on the base housing, which cutter disc serves to protect the cutting blade from damage.

As a further supplementary illustration of the above technical solution, the cutter disc comprises a protection disc, and a connecting tube with a center communicated with the protection disc, the connecting tube is inserted into the base shell, and a locking nut is arranged on the base shell.

As a further supplementary explanation of the above technical scheme, a notch is arranged on the protection disc, and the notch is used for taking up the cut vegetation support rod, so that the cutting blade can cut off under the condition of rapid rotation.

As a further supplementary explanation of the above technical scheme, the bottom of the tank body is provided with a clamping block, the clamping block is provided with a water tank, the water tank is provided with a clamping groove corresponding to the clamping block, the water tank is also provided with a water filling port, the water filling port is provided with a water filling plug, one side of the water tank is provided with a water pump, a water inlet of the water pump is communicated with the water tank, a water outlet of the water pump is connected with a spray head through a water pipe, and the water pump is powered by the storage battery.

As a further supplementary illustration of the above technical solution, an observation window is provided on the other side of the water tank, and a water line is provided on the side of the observation window.

As a further supplementary illustration of the above technical solution, a back cushion is provided on the case body, the back cushion being located between the two back straps.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the telescopic handle is arranged on the knapsack box through the universal connecting piece, meanwhile, the telescopic handle is connected with the plug-in arm through the sliding connecting arm to realize connection of the universal socket tray, movable connection of the installation motor is formed, the cutting blade is arranged on the output shaft of the motor, and the whole cutting tool bit is connected with the universal connecting piece through sliding fine adjustment of the connecting arm and the telescopic distance adjustment of the telescopic handle in a pulling manner, so that multi-angle adjustment of a weed harvesting area and cutting angle adaptation of a special position of the weed harvesting area are realized.

2. According to the utility model, the telescopic sleeve is arranged at the bottom of the inserting arm, the belt pulley telescopic rod is movably arranged in the telescopic sleeve, the belt pulley telescopic rod is adjusted according to the scale marks and locked through the locking knob, and the adjustment of the trimming height is realized by adjusting the height difference between the belt pulley telescopic rod and the cutting blade.

3. According to the utility model, the water in the water tank is sprayed out through the water pipe by the spray head by the water pump, so that dust fall treatment is realized when weeds are harvested, and the dust generated in the mowing process is prevented from being diffused into the air to cause environmental pollution.

4. The protective disc is provided with the notch, when the protective disc needs to be sheared, the cutter disc stretches out to enable the protective disc to be in contact with the cutting blade, and a sheared object is arranged at the notch; before the starting motor drives the cutting blade to shear, the distance that the cutter disc extends out of the motor seat is adjusted through the lock nut, so that a gap is reserved between the cutting blade and the cutter disc, and the cutter cannot be blocked when weeds are harvested.

5. The utility model adopts the storage battery as a power source, and can generate very low sound to drive the cutting blade to work when pruning is carried out, thereby reducing the influence of noise on surrounding residents or pedestrians.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the sprinkler of the present utility model;

fig. 4 is a schematic view of the structure of the backpack case and the built-in battery according to the present utility model.

In the figure: the knapsack case is 1, universal connector is 2 telescopic handle 3, the linking arm is 4, the grafting arm is 5, the holding pan is 6, the motor cabinet is 7, the cutter disc is 8, the breach is 9, lock nut is 10, the motor is 11, the cutting blade is 12, telescopic tube is 13, the band pulley telescopic link is 14, locking knob is 15, the water tank is 16, the draw-in groove is 17, the observation window is 18, the water filling port is 19, the water filling plug is 20, the water pump is 21, the water pipe is 22, the sprinkler head is 23, the back cushion is 24, the battery is 25.

Wherein knapsack case includes: the box body is 101, the top cap is 102, the braces are 103, the handles are 104, the plug holes are 105, and the clamping blocks are 106.

The universal connector includes: the connecting base is 201, and the cross connector is 202.

The telescopic handle includes: the hollow hand grab handle is 301, the telescopic handle is 302, the spring pin is 303, the chute is 304, and the adjusting hole is 305.

The connecting arm includes: the connecting rod is 401, the slider is 402, the bayonet is 403, and fastening bolt is 404.

The motor cabinet includes: the base shell is 701, and the protective cover is 702.

The cutter disc includes: the protection disk is 801, and the connecting pipe is 802.

Detailed Description

In order to further illustrate the technical solution of the present utility model, the present utility model will be further described by three embodiments with reference to fig. 1 to 4.

Example 1

As shown in fig. 1 and 4, a backpack type adjustable weeding machine comprises a backpack case 1, which consists of a case body 101, a top cover 102 covered on the top of the case body and two braces 103 arranged on the top cover 102, wherein a handle 104 is arranged on the top cover 102, a back pad 24 is arranged on the case body 101, the back pad 24 is positioned between the two braces 103, and the comfort level of carrying by mowing personnel is improved, so that the purpose of carrying and carrying by the mowing personnel is achieved conveniently. The electric power box comprises a box body 101, a storage battery 25, a plug hole 105, a telescopic handle 3, a connecting arm 4, a supporting disc 6, a telescopic sleeve 13, a pulley telescopic rod 14, a locking knob 15 and scale marks, a motor seat 7, a base shell 701 and a protective cover 702, wherein the plug hole 105 corresponds to the power socket of the storage battery 25, the telescopic handle 3 is connected to one side wall of the box body 101 through a universal connector 2, the connecting arm 4 is arranged at the end part of the telescopic handle 3, the connecting arm 4 is provided with the supporting disc 6 through the plug arm 5, the telescopic sleeve 13 is arranged at the bottom of the plugging arm 5, the telescopic sleeve 13 is movably provided with the pulley telescopic rod 14, the telescopic sleeve 13 is respectively provided with the locking knob 15 and the scale marks, the motor seat 7 is mounted on the supporting disc 6 through bolts, the motor seat 7 comprises the base shell 701 and the protective cover 702 covered on the base shell 701, the motor 11 is mounted in the base shell 701, a cutting blade 12 is arranged on an output shaft of the motor 11, and a plug on a power wire of the motor 11 passes through the plug hole 105 and is connected with the power socket of the storage battery 25 to provide power for the motor 11.

As further explained and limited by the above embodiment, as shown in fig. 2, the universal connector 2 includes a connection base 201 mounted on the box body 101 and a cross connector 202 hinged on the connection base, the telescopic handle 3 includes a hollow hand grip 301 hinged on the cross connector 202, and a telescopic handle 302 movably disposed on the hollow hand grip 301, a spring pin 303 is disposed on the telescopic handle 302, and a plurality of adjusting holes 305 corresponding to the spring pins 303 are equidistantly disposed on the hollow hand grip 301. The connecting arm 4 comprises a connecting rod 401, a sliding block 402 and a plug-in connector 403 which are fixedly connected with the two ends of the connecting arm, a fastening bolt 404 is arranged on the sliding block 402, a sliding groove 304 corresponding to the sliding block 402 is arranged on the telescopic handle 302, and the connecting arm 4 is in plug-in connection with the plug-in connector 5 through the plug-in connector 403 and is fixedly connected through a bolt.

Example two

As shown in fig. 2, in order to facilitate the cutting according to the conditions of branches, weeds and the like needing pruning, the situation that the cutter is blocked during the pruning is prevented. We provide a cutter disc 8 on the base housing 701, the cutter disc 8 includes a protection disc 801, and a connecting tube 802 with the center thereof communicating, a notch 9 is provided on the protection disc 801, the notch 9 is used for taking up the cut vegetation support, so that the cutting blade 12 cuts off under the rapid rotation. The connecting pipe 802 is inserted into the base housing 701, and the base housing 701 is provided with a lock nut 10. The cutter disc 8 serves to protect the cutting blade 12 from damage.

Example III

When mowing, certain dust can be generated, and the dust can be diffused into the air to cause certain environmental pollution, so that dust fall treatment is inconvenient when weeds are harvested. Therefore, in order to perform dust fall treatment on dust generated when weeds are harvested, the dust is prevented from diffusing into the air to cause environmental pollution. As shown in fig. 3, we are provided with a clamping block 106 at the bottom of the tank body 101, a water tank 16 is provided on the clamping block 106, a clamping groove 17 corresponding to the clamping block 106 is provided on the water tank 16, a water filling port 19 is further provided on the water tank 16, a water filling plug 20 is provided on the water filling port 19, a water pump 21 is provided on one side of the water tank 16, an observation window 18 is provided on the other side of the water tank 16, and a water level line is provided on the side of the observation window 18. The water inlet of the water pump 21 is communicated with the water tank 16, the water outlet of the water pump is connected with a spray head 23 through a water pipe 22, and the water pump 21 is powered by a storage battery 25.

The weeding machine protected by the three embodiments has the advantages that the cutting tool is matched with the structural connection design of the telescopic handle through the universal connecting piece, and the height auxiliary adjustment design formed by the telescopic sleeve and the belt wheel telescopic rod can be used for trimming lawns, and the weeding machine can also be used for trimming plant walls and special corners of plants with complex shapes through one-hand labor-saving operation. Therefore, the problem of uneven trimming is effectively solved, and meanwhile, the working efficiency and the trimming quality are greatly improved.

While the principal features and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the detailed description of the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the utility model, and the inventive concept and design concept of the utility model shall be equally included in the scope of the utility model disclosed in the appended claims. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a knapsack formula weeder with adjustable, includes knapsack case (1), and it comprises case body (101), and lid closes top cap (102) at its top and two braces (103) that set up above that top cap (102) are provided with handle (104), its characterized in that: be provided with battery (25) in case body (101), correspond on one of them lateral wall of case body (101) power socket of battery (25) is provided with spliced eye (105), is connected with telescopic handle (3) through universal joint spare (2) on one of them lateral wall of case body (101), is provided with linking arm (4) on the tip of telescopic handle (3) be provided with socket dish (6) through grafting arm (5) on linking arm (4) be provided with telescopic tube (13) on the bottom of grafting arm (5), telescopic tube (13) internal activity is provided with band pulley telescopic link (14), and be provided with locking knob (15) and scale mark on telescopic tube (13) respectively, install motor cabinet (7) through the bolt on accepting dish (6), be provided with motor (11) in motor cabinet (7), be provided with cutting blade (12) on the output shaft of motor (11), the plug on the power cord of motor (11) passes spliced eye (105) with battery (25) is connected for power supply (11).

2. A backpack type adjustable weeder according to claim 1, wherein: the universal connecting piece (2) is installed including installing connect base (201) on case body (101) and articulated cross connector (202) above that, flexible handle (3) are including articulated cavity hand handle (301) on cross connector (202) and activity are provided with flexible handle (302) on it, are provided with spring pin (303) on flexible handle (302) on hollow hand handle (301) equidistance be provided with a plurality of with corresponding regulation hole (305) of spring pin (303), linking arm (4) slip setting is in on flexible handle (302).

3. A backpack type adjustable weeder according to claim 2, wherein: the connecting arm (4) comprises a connecting rod (401), a sliding block (402) and a plug connector (403) which are fixedly connected with the two ends of the connecting rod, a fastening bolt (404) is arranged on the sliding block (402), a sliding groove (304) corresponding to the sliding block (402) is arranged on the telescopic handle (302), and the connecting arm (4) is in plug connection with the plug arm (5) through the plug connector (403) and is fixedly connected through the bolt.

4. A backpack type adjustable weeder according to any one of claims 1 to 3, wherein: the motor base (7) comprises a base shell (701) which is mounted on the bearing disc (6) through bolts and a protective cover (702) which covers the base shell, and the motor (11) is mounted in the base shell (701).

5. The backpack type adjustable weeder according to claim 4, wherein: a cutter disc (8) is provided on the base housing (701), the cutter disc (8) being adapted to protect the cutting blade (12) from damage.

6. The backpack type adjustable weeder of claim 5 wherein: the cutter disc (8) comprises a protection disc (801) and a connecting pipe (802) with the center communicated with the protection disc, the connecting pipe (802) is inserted into the base shell (701), and a locking nut (10) is arranged on the base shell (701).

7. The backpack type adjustable weeder of claim 6 wherein: the protection disc (801) is provided with a notch (9), and the notch (9) is used for taking up and cutting the vegetation support rod, so that the cutting blade (12) can cut off under the condition of rapid rotation.

8. A backpack type adjustable weeder according to any one of claims 1 to 3 or 5 to 7, characterized in that: the water tank is characterized in that a clamping block (106) is arranged at the bottom of the tank body (101), a water tank (16) is arranged on the clamping block (106), a clamping groove (17) corresponding to the clamping block (106) is arranged on the water tank (16), a water injection port (19) is further arranged on the water tank (16), a water injection plug (20) is arranged on the water injection port (19), a water pump (21) is arranged on one side of the water tank (16), a water inlet of the water pump (21) is communicated with the water tank (16), a water outlet of the water pump is connected with a spray head (23) through a water pipe (22), and the water pump (21) is powered by a storage battery (25).

9. The backpack type adjustable weeder of claim 8 wherein: an observation window (18) is arranged on the other side of the water tank (16), and a water level line is arranged on the side edge of the observation window (18).

10. A backpack type adjustable weeder according to any one of claims 1 to 3 or 5 to 7 or 9, characterized in that: a back cushion (24) is arranged on the box body (101), and the back cushion (24) is positioned between the two braces (103).