Folding high-branch hedge trimmer

Abstract

The utility model discloses a folding type high-branch hedge trimmer which comprises a trimmer body, a blade assembly, a handle portion and a battery pack and further comprises an extension bar, one end of the extension bar is connected with the trimmer body, the other end of the extension bar is connected with the handle portion, a U-shaped connecting seat is arranged on the lower side of the trimmer body, and a fixing shaft is arranged in the connecting seat. A shaft sleeve arranged on the fixed shaft in a sleeving mode is arranged at the end of the lengthening rod, a plurality of tooth-shaped grooves are formed in the peripheral side of the middle of the fixed shaft, a square hole with one end communicated with the interior of the shaft sleeve and the other end extending towards the interior of the lengthening rod is formed in the end, close to the shaft sleeve, of the lengthening rod, and a sliding rod is arranged in the square hole. A locking tip used for being embedded into any tooth-shaped groove is arranged at the end of the sliding rod, and a driving piece used for driving the sliding rod to move back and forth is arranged on the lengthening rod. The length between the handle part and the blade assembly is increased through the lengthening rod, and finally the blade assembly can conveniently trim the green plants at high positions.

Description

Technical Field

[0001] The utility model belongs to the technical field of hedge trimmers, and particularly relates to a folding high-branch hedge trimmer. Background Art

[0002] A hedge trimmer, also known as a hedge shear, is suitable for professional trimming in aspects such as tea leaf trimming, parks, gardens, roadside hedges and other landscaping.

[0003] At present, a Chinese patent with the publication number CN218244605U and the publication date of January 10, 2023 discloses a hedge trimmer, which includes a machine body and a blade assembly arranged at the front end of the machine body. A motor for driving the blade assembly to operate and a battery pack for supplying power to the motor are arranged on the machine body. A handle and a control switch are also arranged on the machine body. Left and right mounting seats are formed on the left and right sides of the front end of the handle. An auxiliary armrest is detachably arranged on the left mounting seat and / or the right mounting seat.

[0004] The design of the auxiliary armrest of this hedge trimmer enables the user to use it more stably, and the user can choose the left and right positions of the auxiliary armrest according to personal circumstances.

[0005] When trimming green plants at higher positions, a ladder is often needed to reach them, so it is very time-consuming and laborious to trim green plants at higher positions with a hedge trimmer. Content of the Utility Model

[0006] The purpose of the utility model is to provide a folding high-branch hedge trimmer, which can facilitate the blade assembly to trim green plants at higher positions.

[0007] The above technical purpose of the utility model is achieved through the following technical solutions: A folding high-branch hedge trimmer includes a machine body with a driving motor内置, a blade assembly arranged on the machine body and used for trimming green plants, a handle part arranged on the side of the machine body away from the blade assembly, a battery pack arranged on the handle part, and also includes an extension rod with one end connected to the machine body and the other end connected to the handle part. A "U"-shaped connecting seat is arranged on the lower side of the machine body. A fixed shaft is arranged inside the connecting seat. A shaft sleeve sleeved on the fixed shaft is arranged at the end of the extension rod. A plurality of tooth-shaped grooves are formed on the circumferential side of the middle part of the fixed shaft. A square hole with one end communicating with the inside of the shaft sleeve and the other end extending towards the inside of the extension rod is formed in the extension rod near the shaft sleeve. A sliding rod is arranged inside the square hole. A locking pointed head for embedding in any one of the tooth-shaped grooves is arranged at the end of the sliding rod. A driving member for driving the sliding rod to move back and forth is arranged on the extension rod.

[0008] The utility model is further configured as follows: the driving member includes pushing blocks arranged at positions on both sides of the sliding rod away from one end of the locking tip, a long strip hole opened on the side wall of the extension rod for the pushing block to pass through, a connecting groove opened in the extension rod and communicated with the square hole, a return spring connected to the bottom wall of the connecting groove at one end and to the end of the sliding rod at the other end, an external threaded surface opened on the outer wall of the extension rod, and an internal threaded sleeve threadedly connected to the external threaded surface and with its end pressed against the pushing block.

[0009] The utility model is further configured as follows: an anti-slip convex strip is arranged on the outer wall of the internal threaded sleeve.

[0010] The utility model is further configured as follows: a rubber sleeve for a person to hold is sleeved on the extension rod.

[0011] The utility model is further configured as follows: anti-slip convex points are arranged on the outer wall of the rubber sleeve.

[0012] The utility model is further configured as follows: a shoulder strap is arranged on the extension rod, and a mounting sleeve which is sleeved on the extension rod is arranged at the end of the shoulder strap.

[0013] In summary, the utility model has the following beneficial effects:

[0014] 1. When it is necessary to trim the green plants at a high place, the driving member is used to drive the sliding rod to move toward the side away from the connecting seat, and then the locking tip of the sliding rod can be disengaged from the toothed groove, and then the shaft sleeve on the connecting seat can be rotated, so that the extension rod can be rotated relative to the machine body until the extension rod is rotated to a position parallel to the blade assembly, and then the driving member is used to drive the sliding rod to move toward the side close to the connecting seat, so that the locking tip is embedded in the toothed groove, and the position of the extension rod relative to the blade assembly can be locked by the clamping between the locking tip and the toothed groove. At this time, the length between the handle and the blade assembly can be increased by the extension rod, and finally the blade assembly can be conveniently used to trim the green plants at a high place;

[0015] When the foldable high-branch hedge trimmer needs to be stored, the extension rod is rotated and stacked on the blade assembly, thereby completing the folding and storage between the extension rod and the blade assembly, which is ultimately beneficial to saving storage space;

[0016] 2. The internal thread sleeve is threadedly connected to the external thread surface of the extension rod, and the internal thread sleeve is rotated to drive the push block to move toward the side close to the connecting seat. At this time, the locking tip of the sliding rod can be embedded in the toothed groove, and the reset spring is stretched at the same time; when the internal thread sleeve is rotated in the opposite direction to move the internal thread sleeve toward the side away from the connecting seat, the reset spring is elastically restored, and the elastic restoring force can drive the locking tip of the sliding rod to disengage from the toothed groove;

[0017] 3. The anti-slip convex strips on the outer wall of the internal thread sleeve can increase the friction force, which is conducive to the operator to rotate the internal thread sleeve stably;

[0018] 4. The rubber sleeve on the extension rod can be used by the operator to hold the foldable high-branch hedge trimmer. Since the rubber sleeve is relatively soft, it is conducive to comfortable holding by the operator.

[0019] 5. The anti-skid convex points arranged on the outer wall of the rubber sleeve can increase the friction force, which is conducive to the operator to hold the rubber sleeve stably;

[0020] 6. When the operator uses the foldable high-branch hedge trimmer, the operator can use the shoulder strap to carry it on his shoulders, which helps to reduce the weight on the operator's hands, and ultimately helps the operator to operate the foldable high-branch hedge trimmer more easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a cross-sectional view of the structure inside the connecting seat of the utility model;

[0024] Figure 3 It is a partial cross-sectional view of the connection relationship between the extension rod, the connecting seat and the driving member in the utility model.

[0025] In the figure, 1. body; 2. blade assembly; 3. handle; 31. battery pack; 4. extension rod; 41. bushing; 42. square hole; 43. sliding rod; 431. locking tip; 5. connecting seat; 51. fixed shaft; 511. toothed groove; 6. driving member; 61. pushing block; 62. long hole; 63. connecting groove; 64. reset spring; 65. external threaded surface; 66. internal threaded sleeve; 661. anti-slip convex strip; 7. rubber sleeve; 8. shoulder strap; 81. installation sleeve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0027] A folding high-branch hedge trimmer, referring to Figure 1 , this folding high-branch hedge trimmer includes a machine body 1, a blade assembly 2, a handle part 3, a battery pack 31 and an extension rod 4. The machine body 1 is internally provided with a motor, and the blade assembly 2 is installed on the machine body 1, and the blade assembly 2 can be driven by the motor. At the same time, the handle part 3 is located on the side of the machine body 1 away from the blade assembly 2, and the battery pack 31 is installed on the handle part 3, and the motor in the machine body 1 can be powered by the battery pack 31.

[0028] Referring to Figure 1 , Figure 2 , Figure 3 , one end of the extension rod 4 is hinged to the machine body 1 and the other end is fixedly connected to the handle part 3 by bolts. A "U"-shaped connecting seat 5 is fixedly installed on the lower side of the machine body 1 by bolts, and a fixed shaft 51 is fixedly installed in the connecting seat 5 by bolts. At the same time, a shaft sleeve 41 sleeved on the fixed shaft 51 is integrally provided at the end of the extension rod 4. A plurality of tooth-shaped grooves 511 are formed on the circumferential side of the middle part of the fixed shaft 51. A square hole 42 is formed in one end of the extension rod 4 close to the shaft sleeve 41. One end of the square hole 42 communicates with the inside of the shaft sleeve 41 and the other end extends towards the inside of the extension rod 4. A sliding rod 43 is arranged in the square hole 42, and a locking pointed head 431 for being embedded in any one of the tooth-shaped grooves 511 is integrally provided at the end of the sliding rod 43.

[0029] Referring to Figure 1 , Figure 2 , Figure 3 , a driving member 6 for driving the sliding rod 43 to move back and forth is further arranged on the extension rod 4. This driving member 6 includes a pushing block 61, a long hole 62, a connecting groove 63, a return spring 64, an external thread surface 65 and an internal thread sleeve 66. The pushing block 61 is integrally arranged at both sides of the end of the sliding rod 43 away from the locking pointed head 431. The long hole 62 is formed in the side wall of the extension rod 4 for the pushing block 61 to pass through, and the extending direction of the long hole 62 is parallel to the extending direction of the sliding rod 43. At the same time, the connecting groove 63 is formed in the extension rod 4 and communicates with the square hole 42. One end of the return spring 64 is bonded to the bottom wall of the connecting groove 63 and the other end is bonded to the end of the sliding rod 43. The external thread surface 65 is formed on the outer wall of the extension rod 4, and the internal thread sleeve 66 is threadedly connected to the external thread surface 65 and the end abuts against the pushing block 61, and an anti-slip rib 661 is integrally arranged on the outer wall of the internal thread sleeve 66.

[0030] Reference Figure 1 The extension rod 4 is also provided with a rubber sleeve 7 for human hand holding, and the outer wall of the rubber sleeve 7 is integrally provided with a plurality of anti-skid protrusions, and the plurality of anti-skid protrusions are evenly spaced on the outer wall of the rubber sleeve 7; the extension rod 4 is also provided with a shoulder strap 8 for carrying on the shoulders of a human body, and the end of the shoulder strap 8 is fixed with a mounting sleeve 81 sleeved on the extension rod 4 by bolts.

[0031] Principle: When it is necessary to trim the green plants at a high place, the internal threaded sleeve 66 is rotated in the opposite direction to make the internal threaded sleeve 66 move toward the side away from the connecting seat 5. At this time, the reset spring 64 is elastically restored, and the elastic restoring force can drive the locking tip 431 of the sliding rod 43 to disengage from the toothed groove 511, and then the shaft sleeve 41 on the connecting seat 5 can be rotated, so that the extension rod 4 can be rotated relative to the machine body 1 until the extension rod 4 rotates to a position parallel to the blade assembly 2, and then the internal threaded sleeve 66 is rotated to make the internal threaded sleeve 66 drive the pushing block 61 to move toward the side close to the connecting seat 5, at this time, the locking tip 431 of the sliding rod 43 can be embedded in the toothed groove 511, and the position of the extension rod 4 relative to the blade assembly 2 can be locked by the clamping connection between the locking tip 431 and the toothed groove 511. At this time, the length between the handle portion 3 and the blade assembly 2 can be increased by the extension rod 4, and finally the blade assembly 2 can be conveniently used to trim the green plants at a high place;

[0032] When the foldable high-branch hedge trimmer needs to be stored, the extension rod 4 is rotated and stacked on the blade assembly 2, thereby completing the folding and storage between the extension rod 4 and the blade assembly 2, which is ultimately beneficial to saving storage space.

Claims

1. A foldable high-branch hedge trimmer, comprising a body (1) with a built-in drive motor, a blade assembly (2) arranged on the body (1) and used for trimming green plants, a handle (3) arranged on a side of the body (1) away from the blade assembly (2), and a battery pack (31) arranged on the handle (3), characterized in that: It further includes an extension rod (4) with one end connected to the body (1) and the other end connected to the handle part (3). A connecting seat (5) in a "U" shape is provided on the lower side of the body (1). A fixed shaft (51) is arranged inside the connecting seat (5). A bush (41) sleeved on the fixed shaft (51) is arranged at the end of the extension rod (4). A plurality of toothed grooves (511) are formed on the circumferential side of the middle part of the fixed shaft (51). A square hole (42) with one end communicating with the inside of the bush (41) and the other end extending towards the inside of the extension rod (4) is formed inside the extension rod (4) near the bush (41). A sliding rod (43) is arranged inside the square hole (42). A locking pointed head (431) for embedding in any one of the toothed grooves (511) is arranged at the end of the sliding rod (43). A driving member (6) for driving the sliding rod (43) to move back and forth is arranged on the extension rod (4).

2. A foldable high branch hedge trimmer according to claim 1, characterized in that: The driving member (6) includes pushing blocks (61) arranged at both sides of the end of the sliding rod (43) far from the locking pointed head (431), long strip holes (62) formed on the side wall of the extension rod (4) for the pushing blocks (61) to pass through, a connecting groove (63) formed inside the extension rod (4) and communicating with the square hole (42), a return spring (64) with one end connected to the bottom wall of the connecting groove (63) and the other end connected to the end of the sliding rod (43), an external thread surface (65) formed on the outer wall of the extension rod (4), and an internal thread sleeve (66) threadedly connected to the external thread surface (65) and with its end abutting against the pushing block (61).

3. A foldable high branch hedge trimmer according to claim 2, characterized in that: Anti-slip ridges (661) are arranged on the outer wall of the internal thread sleeve (66).

4. A foldable high-branch hedge trimmer according to claim 1, characterized in that: A rubber sleeve (7) for human hands to hold is sleeved on the extension rod (4).

5. A foldable high branch hedge trimmer according to claim 4, characterized in that: Anti-slip bumps are arranged on the outer wall of the rubber sleeve (7).

6. A foldable high branch hedge trimmer according to claim 1, characterized in that: A shoulder strap (8) is arranged on the extension rod (4). Mounting sleeves (81) sleeved on the extension rod (4) are arranged at the ends of the shoulder strap (8).

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