Auxiliary handle assembly and gardening tool
By designing a detachable auxiliary handle assembly, the problem that the secondary handle and protective rod cannot be suitable for left and right hand levers in the prior art is solved, and the convenient installation, disassembly and stable fixation of the protective rod is achieved. It is suitable for left and right hand levers, and has improved the Convenience and comfort of operation.
Patent Information
- Application Number
- CN202420685058.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-03
AI Technical Summary
The secondary handle and protective rod of existing grass and brush cutting machines are integrated and cannot be used for left and right hand, which limits the user's operating convenience.
An auxiliary handle assembly is designed, including a removable secondary handle and a protective rod. The protective rod can be installed in two positions of the secondary handle, fixed by fasteners, and equipped with a snap-on block and slot structure to ensure that the protective rod is on the left and right. It can be installed firmly on both sides and is suitable for left and right handed.
It realizes convenient installation and disassembly of the protective rod, suitable for left and right hand, ensuring the stable fixation of the protective rod on the left and right sides, and improving the convenience and comfort of operation.
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Figure CN222263656U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of garden tools, in particular to an auxiliary handle component and a garden tool. Background Art
[0002] Garden tools, such as lawn mowers and brush cutters, are good helpers for gardening. They are small in size, light in weight, and powerful. They are mainly used to cut weeds on the sides of roads, orchards, hillsides, or shrubs and weeds on uneven ground.
[0003] Currently, the auxiliary handle and the protection rod of the grass cutter and brush cutter are integrally formed, and the protection rod can only be moved in one fixed direction and cannot be suitable for both left-handed and right-handed people. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an auxiliary handle assembly and a garden tool, which can facilitate users to install and disassemble the protection rod, and can be installed on both sides, and is suitable for left-handed and right-handed people.
[0005] The utility model is realized by the following technical solutions:
[0006] An auxiliary handle assembly comprises a secondary handle and a protection rod, wherein the protection rod is detachably connected to the secondary handle and can be installed at a first position or a second position of the secondary handle;
[0007] When the operator is left-handed, he holds the sub-handle with his right hand. At this time, the protection rod is installed at the first position of the sub-handle to prevent the right side of the user's body from passing over the sub-handle;
[0008] When the operator is right-handed, he holds the sub-handle with his left hand. At this time, the protection rod is installed at the second position of the sub-handle to prevent the left side of the user's body from passing over the sub-handle.
[0009] Furthermore, the hand-holding portion of the auxiliary handle is symmetrically arranged about the central axis, the end of the protection rod is fixed to the auxiliary handle by a fastener, and the fastener is not symmetrical about the central axis.
[0010] Furthermore, the auxiliary handle also includes a mounting portion integrally formed with the hand-held portion, and the end of the protection rod is fixed to the mounting portion of the auxiliary handle by a fastener.
[0011] Furthermore, the auxiliary handle assembly further comprises a first clamping block and a second clamping block, the first clamping block is arranged at a first position of the auxiliary handle, the second clamping block is arranged at a second position of the auxiliary handle, and a matching groove is provided on the protection rod;
[0012] When the protection rod is installed at the first position of the auxiliary handle, the first clamping block is matched with the matching groove of the protection rod;
[0013] When the protection rod is installed at the second position of the auxiliary handle, the second clamping block is matched with the matching groove of the protection rod.
[0014] Furthermore, the first clamping block and the second clamping block are T-shaped rib structures symmetrically arranged with each other, and the first clamping block includes a connecting portion and a matching portion that are connected to each other, the connecting portion is fixedly connected to the auxiliary handle, and the matching portion is matched with the matching groove on the protection rod.
[0015] Furthermore, the first length of the matching portion: the second length of the connecting portion = 1.5-3.
[0016] Furthermore, the mating groove includes a docking hole and a locking groove that are interconnected; during mating, the mating part can enter the locking groove from the docking hole to complete the mating.
[0017] Furthermore, the first width of the docking hole is greater than the first length of the matching portion, and the second width of the connecting portion is less than the third width of the locking groove and less than the first length of the matching portion.
[0018] Further, the protection rod is installed symmetrically at a first position and a second position about the central axis.
[0019] Furthermore, the handheld portion has a first mounting surface and a second mounting surface, the first mounting surface, the second mounting surface and the third mounting surface of the mounting portion are all planes and parallel to each other, and the first mounting surface, the second mounting surface and the third mounting surface all face the protection rod;
[0020] The protection rod has a first plane and a second plane, the first plane is in contact with the third mounting surface, and the second plane is in contact with the first mounting surface or the second mounting surface.
[0021] Furthermore, a fixing hole for the fastener to pass through is provided on the first plane of the protection rod;
[0022] The maximum horizontal distance between the fixing hole and the matching groove is greater than the first horizontal center distance between the first clamping block and the fastener;
[0023] The minimum horizontal distance between the fixing hole and the matching groove is less than the second horizontal center distance between the second clamping block and the fastener.
[0024] Furthermore, the hand-held portion of the auxiliary handle is bent inward to form a groove, the mounting portion is located in the groove, and the distance between the third mounting surface of the mounting portion and the first mounting surface of the hand-held portion along the X-axis direction of the central axis is greater than 40 mm.
[0025] Furthermore, the sub-handle also includes a connecting portion, a locking bolt and a knob, the threaded end of the locking bolt passes through the mounting portion, the connecting portion and the hand-held portion in sequence, and the knob is threadedly connected to the threaded end of the locking bolt.
[0026] Furthermore, the angle between the axis of the locking bolt and the central axis is 0 to 20 degrees.
[0027] A garden tool comprises a main handle, a drive motor, a mowing head and the above-mentioned auxiliary handle assembly, wherein the mowing head is fixed to the lower end of the main handle, the drive motor is fixed to the upper end of the main handle to drive the mowing head to work, and the auxiliary handle assembly is detachably fixed to the main handle.
[0028] Compared with the prior art, the advantages of the present invention are:
[0029] 1. By designing the protection rod and the auxiliary handle to be detachable, and the protection rod can be installed at the first position or the second position of the auxiliary handle, this design can facilitate the user to install and remove the protection rod, and it can be installed on both sides, and is suitable for both left-handed and right-handed people.
[0030] 2. The first mounting surface, the second mounting surface on the handheld part and the third mounting surface of the mounting part are designed to be planes and parallel to each other, the first mounting surface, the second mounting surface and the third mounting surface are all facing the protection rod, and the maximum horizontal distance L1 between the fixing hole and the matching groove is greater than the first horizontal center distance H1 between the first clamping block and the fastener, and the minimum horizontal distance L2 between the fixing hole and the matching groove is less than the second horizontal center distance H2 between the second clamping block and the fastener. When the protection rod is installed on the left and right, the fasteners are not symmetrical about the central axis X, and it can still be ensured that the same protection rod can achieve a good fixing effect whether it is placed on the left or right.
[0031] 3. By designing the mounting portion of the auxiliary handle to be located in the groove, and the distance h between the third mounting surface of the mounting portion and the first mounting surface of the hand-held portion along the X-axis direction of the central axis is greater than 40 mm, the beautiful structure is ensured while preventing the fasteners from protruding outward and easily hurting people.
[0032] 4. The angle g of the assembly between the axis Y of the locking bolt and the central axis X is 0 to 20 degrees to prevent the locking bolt from being installed at an excessive angle, which may cause the hand to be unable to hold the side of the sub-handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] Figure 1 It is a schematic diagram of the structure of the auxiliary handle assembly when the protection rod is installed in the first position;
[0034] Figure 2 It is a schematic diagram of the structure of the auxiliary handle assembly when the protection rod is installed in the second position;
[0035] Figure 3 A schematic diagram of the partial structure of the secondary handle Figure 1 ;
[0036] Figure 4 is a schematic diagram of the structure of the secondary handle;
[0037] Figure 5 A schematic diagram of the partial structure of the secondary handle Figure 2 ;
[0038] Figure 6 A schematic diagram of the partial structure of the secondary handle Figure 3 ;
[0039] Figure 7 It is a structural schematic diagram of the card connection block;
[0040] Figure 8 It is a schematic diagram of the structure of the protection rod;
[0041] Fig. 9 This is the front view of the protection rod.
[0042] 1. Auxiliary handle; 10. First position; 11. Second position; 12. Hand-held part; 120. Groove; h. Vertical distance; X. Center axis; 13. Mounting part; 130. Third mounting surface; 14. Connecting part; 15. Locking bolt; 150. Threaded end; Y. Axis; g. Angle; 16. Knob; 17. Mounting hole; 18. Side; 2. Protective rod; 20. End; 21. Matching groove; 210. Docking hole; d. First width; 211 , locking groove; e, third width; 22, first plane; 24, fixing hole; 23, second plane; 3, fastener; 4, first clamping block; 40, connecting part; b, second length; c, second width; 41, matching part; a, first length; 400, first mounting surface; 5, second clamping block; 500, second mounting surface; L1, maximum horizontal distance; H1, first horizontal center distance; L2, minimum horizontal distance; H2, second horizontal center distance. DETAILED DESCRIPTION
[0043] The following is a further non-restrictive detailed description of the utility model technical solution in conjunction with the preferred embodiment and its accompanying drawings. In the description of the utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings. In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limitations on the utility model.
[0044] like Figure 1 and Figure 2 As shown, an auxiliary handle assembly of an embodiment of the utility model comprises a secondary handle 1 and a protection rod 2, wherein the protection rod 2 is detachably connected to the secondary handle 1, and the protection rod 2 can be installed at a first position 10 or a second position 11 of the secondary handle 1; Figure 1 When the operator is left-handed, he holds the sub-handle 1 with his right hand. At this time, the protection rod 2 is installed at the first position 10 of the sub-handle 1 to prevent the right side of the user's body from passing over the sub-handle 1; Figure 2 When the operator is right-handed, he holds the sub-handle 1 with his left hand. At this time, the protection rod 2 is installed at the second position 11 of the sub-handle 1 to prevent the left side of the user's body from passing over the sub-handle 1. This design can facilitate the user to install and disassemble the protection rod, and it can be installed on both sides, and is suitable for both left-handed and right-handed people.
[0045] like Figure 3-Figure 6As shown, the auxiliary handle 1 includes a hand-held portion 12, a mounting portion 13, a connecting portion 14, a locking bolt 15 and a knob 16. The hand-held portion 12 and the mounting portion 13 are integrally formed, the connecting portion 14 is located between the hand-held portion 12 and the mounting portion 13, and a mounting hole 17 is formed between the hand-held portion 12, the mounting portion 13 and the connecting portion 14. The mounting hole 17 is used to mount a long pole of a garden tool, for example, it can be mounted on an aluminum tube of a lawn mower or a brush cutter. When in use, the user holds the main handle of the lawn mower or the brush cutter with one hand and holds the auxiliary handle 1 with the other hand to operate. The threaded end 150 of the locking bolt 15 passes through the mounting portion 13, the connecting portion 14 and the hand-held portion 12 in sequence, and the knob 16 is threadedly connected to the threaded end 150 of the locking bolt 15. The release and locking of the adjustable mounting hole 17 can be achieved by rotating the knob 16. When the mounting hole 17 is adjusted and released by rotating the knob 16, the sub-handle 1 can move on the aluminum tube. When the mounting hole 17 is locked by the knob 16, the sub-handle 1 cannot move on the aluminum tube.
[0046] like Figure 1 and Figure 2 As shown, the hand-held portion 12 of the sub-handle 1 is symmetrically arranged about the central axis X, and the end 20 of the protection rod 2 is fixed to the sub-handle 1 by a fastener 3, and the fastener 3 is not symmetrical about the central axis X. Specifically, the end 20 of the protection rod 2 is fixed to the mounting portion 13 of the sub-handle 1 by the fastener 3. The fastener 3 can limit the up and down displacement of the protection rod 2, limit the displacement of one end of the protection rod 2 in the front and rear direction of the operator, and can strengthen the connection between the protection rod 2 and the sub-handle 1. The fastener 3 can be a screw, a bolt, etc.
[0047] like Figure 3 and Figure 8 As shown, the auxiliary handle assembly further includes a first clamping block 4 and a second clamping block 5, the first clamping block 4 is arranged at the first position 10 of the auxiliary handle 1, the second clamping block 5 is arranged at the second position 11 of the auxiliary handle 1, and a matching groove 21 is provided on the protection rod 2. When the protection rod 2 is installed at the first position 10 of the auxiliary handle 1, the first clamping block 4 is matched with the matching groove 21 of the protection rod 2, and when the protection rod 2 is installed at the second position 11 of the auxiliary handle 1, the second clamping block 5 is matched with the matching groove 21 of the protection rod 2. The first clamping block 4 and the second clamping block 5 are used to limit the displacement of the other end of the protection rod 2 in the front and rear direction of the operator.
[0048] like Figure 7As shown, in this embodiment, the first clamping block 4 and the second clamping block 5 are T-shaped rib structures of the same size and are symmetrical about the central axis X. The first clamping block 41 includes a connecting portion 40 and a matching portion 41 connected to each other, the connecting portion 40 is fixedly connected to the auxiliary handle 1, the matching portion 41 is matched with the matching groove 21 on the protection rod 2, and the first length a of the matching portion 41: the second length b of the connecting portion 40 = 1.5 to 3. Preferably, the first length a of the matching portion 41: the second length b of the connecting portion 40 = 2.
[0049] like Figure 7-Figure 9 As shown, the matching groove 21 includes a docking hole 210 and a locking groove 211 that are interconnected. When matching, the matching portion 41 can enter the locking groove 211 from the docking hole 210 to complete the matching, and the first width d of the docking hole 210> the first length a of the matching portion 41, the second width c of the connecting portion 40< the third width e of the locking groove 211< the first length a of the matching portion 41, and such a design can ensure that the first clamping block 41 can be limited in the locking groove 211. When installing, first align the docking hole 210 of the protection rod 2 with the matching portion 41, and after the matching portion 41 enters the docking hole 210, slide the protection rod 2 so that the matching portion 41 enters the locking groove 211 while ensuring that the end 20 of the protection rod 2 reaches the corresponding installation position, and then complete the locking through the fastener 3. It is worth noting that the first clamping block 4 and the second clamping block 5 can also be other shapes or the matching groove 21 can also be other forms of grooves, which can meet the installation and locking of the auxiliary handle 1 and the protection rod 2.
[0050] refer to Figure 1 and Figure 2 The protection rod 2 is symmetrically installed at the first position 10 or the second position 11 about the central axis X.
[0051] like Figure 3 and Figure 8 As shown, in this embodiment, the handheld portion 12 has a first mounting surface 400 and a second mounting surface 500, and the first mounting surface 400, the second mounting surface 500 and the third mounting surface 130 of the mounting portion 13 are all planes and parallel to each other, and the first mounting surface 400, the second mounting surface 500 and the third mounting surface 130 all face the protection rod 2; the protection rod 2 has a first plane 22 and a second plane 23, and when installed, the first plane 22 fits with the third mounting surface 130, and the second plane 23 fits with the first mounting surface 400 or the second mounting surface 500. Such a design can ensure that the protection rod 2 is placed horizontally in front of the user's chest when in use, and remains perpendicular to the forward direction, thereby improving the comfort of use. Reference Figure 4 and Fig. 9A fixing hole 24 for the fastener 3 to pass through is provided on the first plane 22 of the protective rod 2, and the maximum horizontal distance L1 between the fixing hole 24 and the matching groove 21 is greater than the first horizontal center distance H1 between the first clamping block 4 and the fastener 3. The maximum horizontal distance L1 between the fixing hole 24 and the matching groove 21 specifically refers to the distance between the fixing hole 24 and the end of the matching groove 21 away from the fixing hole 24; the minimum horizontal distance L2 between the fixing hole 24 and the matching groove 21 is less than the second horizontal center distance H2 between the second clamping block 5 and the fastener 3. The minimum horizontal distance L2 between the fixing hole 24 and the matching groove 21 refers to the distance between the fixing hole 24 and the end of the matching groove 21 close to the fixing hole 24. With this design, no matter whether the protection rod 2 is installed on the left or right side, it can be ensured that the first clamping block 4 or the second clamping block 5 can enter the locking groove 211 through the docking hole 210, and after the protection rod 2 is installed, the first clamping block 4 or the second clamping block 5 can be kept in the locking groove 211, thereby ensuring that when the protection rod 2 is installed on the left and right sides, under the premise that the fastener 3 is not symmetrical about the central axis X, it can still be ensured that the same protection rod 2 can achieve a good fixing effect whether it is placed on the left or right side.
[0052] like Figure 3 and Figure 5 As shown, the hand-held portion 12 of the secondary handle 1 is bent inward to form a groove 120, the mounting portion 13 is located in the groove 120, and the distance h between the third mounting surface 130 of the mounting portion 13 and the first mounting surface 400 of the hand-held portion 12 along the central axis X-axis direction is greater than 40 mm. While ensuring the beautiful structure, it prevents the fastener 3 from protruding outward and easily hurting people.
[0053] like Figure 6 As shown, the angle g of the assembly between the axis Y of the locking bolt 15 and the central axis X is 0-20°, so as to avoid the locking bolt 15 being installed at an excessive angle and causing the hand to be unable to hold the side portion 18 of the secondary handle 1.
[0054] The utility model also provides a garden tool, including a main handle, a drive motor, a grass trimmer head and the above-mentioned auxiliary handle assembly, the grass trimmer head is fixed to the lower end of the main handle, the drive motor is fixed to the upper end of the main handle to drive the grass trimmer head to work, and the auxiliary handle assembly is detachably fixed to the main handle.
[0055] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. An auxiliary handle assembly, characterized in that: It comprises a secondary handle (1) and a protection rod (2), wherein the protection rod (2) is detachably connected to the secondary handle (1), and the protection rod (2) can be installed at a first position (10) or a second position (11) of the secondary handle (1); When the operator is left-handed, he holds the sub-handle (1) with his right hand. At this time, the protection rod (2) is installed at the first position (10) of the sub-handle (1) to prevent the right side of the user's body from passing over the sub-handle (1); When the operator is right-handed, his left hand holds the sub-handle (1). At this time, the protection rod (2) is installed at the second position (11) of the sub-handle (1) to prevent the left side of the user's body from passing over the sub-handle (1).
2. The auxiliary handle assembly according to claim 1, characterized in that: The hand-held portion (12) of the auxiliary handle (1) is symmetrically arranged about a central axis (X), and the end portion (20) of the protection rod (2) is fixed to the auxiliary handle (1) by a fastener (3), and the fastener (3) is not symmetrical about the central axis (X).
3. The auxiliary handle assembly according to claim 2, characterized in that: The auxiliary handle (1) further comprises a mounting portion (13) integrally formed with the hand-held portion (12), and an end portion (20) of the protection rod (2) is fixed to the mounting portion (13) of the auxiliary handle (1) via a fastener (3).
4. The auxiliary handle assembly according to claim 3, characterized in that: The auxiliary handle assembly further comprises a first clamping block (4) and a second clamping block (5), wherein the first clamping block (4) is arranged at a first position (10) of the auxiliary handle (1), and the second clamping block (5) is arranged at a second position (11) of the auxiliary handle (1), and a matching groove (21) is provided on the protection rod (2); When the protection rod (2) is installed in the first position (10) of the auxiliary handle (1), the first clamping block (4) is coupled with the coupling groove (21) of the protection rod (2); When the protection rod (2) is installed at the second position (11) of the auxiliary handle (1), the second clamping block (5) is coupled with the coupling groove (21) of the protection rod (2).
5. The auxiliary handle assembly according to claim 4, characterized in that: The first clamping block (4) and the second clamping block (5) are T-shaped rib structures symmetrically arranged with respect to each other. The first clamping block (4) comprises a connecting portion (40) and a matching portion (41) connected to each other. The connecting portion (40) is fixedly connected to the auxiliary handle (1), and the matching portion (41) is matched with a matching groove (21) on the protection rod (2).
6. The auxiliary handle assembly according to claim 5, characterized in that: The first length (a) of the matching portion (41) : the second length (b) of the connecting portion (40) = 1.5-3.
7. The auxiliary handle assembly according to claim 5, characterized in that: The matching groove (21) comprises a docking hole (210) and a locking groove (211) which are interconnected; during matching, the matching portion (41) can enter the locking groove (211) from the docking hole (210) to complete the matching.
8. The auxiliary handle assembly according to claim 7, characterized in that: The first width (d) of the docking hole (210)>the first length (a) of the matching portion (41), and the second width (c) of the connecting portion (40)<the third width (e) of the locking groove (211)<the first length (a) of the matching portion (41).
9. The auxiliary handle assembly according to claim 2, characterized in that: The protection rod (2) is symmetrically installed at a first position (10) or a second position (11) about the central axis (X).
10. The auxiliary handle assembly according to claim 4, characterized in that: The handheld portion (12) has a first mounting surface (400) and a second mounting surface (500); the first mounting surface (400), the second mounting surface (500) and the third mounting surface (130) of the mounting portion (13) are all planes and parallel to each other; the first mounting surface (400), the second mounting surface (500) and the third mounting surface (130) all face the protective rod (2); The protection rod (2) has a first plane (22) and a second plane (23), the first plane (22) is in contact with the third mounting surface (130), and the second plane (23) is in contact with the first mounting surface (400) or the second mounting surface (500).
11. The auxiliary handle assembly according to claim 10, characterized in that: A fixing hole (24) for the fastener (3) to pass through is provided on the first plane (22) of the protection rod (2); The maximum horizontal distance (L1) between the fixing hole (24) and the matching groove (21) is greater than the first horizontal center distance (H1) between the first clamping block (4) and the fastener (3); The minimum horizontal distance (L2) between the fixing hole (24) and the matching groove (21) is less than the second horizontal center distance (H2) between the second clamping block (5) and the fastener (3).
12. The auxiliary handle assembly according to claim 10, characterized in that: The hand-held portion (12) of the secondary handle (1) is bent inwardly to form a groove (120), the mounting portion (13) is located in the groove (120), and the distance (h) between the third mounting surface (130) of the mounting portion (13) and the first mounting surface (400) of the hand-held portion (12) along the X-axis direction of the central axis is greater than 40 mm.
13. The auxiliary handle assembly according to claim 3, characterized in that: The secondary handle (1) further comprises a connecting portion (14), a locking bolt (15) and a knob (16); a threaded end (150) of the locking bolt (15) passes through the mounting portion (13), the connecting portion (14) and the hand-held portion (12) in sequence; and the knob (16) is threadedly connected to the threaded end (150) of the locking bolt (15).
14. The auxiliary handle assembly according to claim 13, characterized in that: The included angle (g) of the assembly between the axis (Y) of the locking bolt (15) and the central axis (X) is 0 to 20 degrees.
15. A garden tool, characterized in that: It comprises a main handle, a driving motor, a mowing head and an auxiliary handle assembly as described in any one of claims 1 to 14, wherein the mowing head is fixed to the lower end of the main handle, the driving motor is fixed to the upper end of the main handle to drive the mowing head to work, and the auxiliary handle assembly is detachably fixed to the main handle.
