90-degree rotating mechanism for grass trimmer and grass trimmer

Abstract

The 90-degree rotating mechanism comprises a rotating rod and a rotating seat arranged on the rotating rod, the rotating seat comprises a base, a fixing seat is arranged on the base, the fixing seat is located on one end face of the rotating rod, a button piece is arranged on the fixing seat, and the button piece is connected with the rotating rod. A first clamping groove and a second clamping groove which are used for being matched with the button piece are formed in the rotating rod, a sliding rail used for allowing the button piece to slide is arranged in the position, between the first clamping groove and the second clamping groove, of the rotating rod, and the first clamping groove and the second clamping groove are arranged in the rotating rod in a 90-degree mode. And a reset piece is arranged between the button piece and the rotating seat. Different from the structure in the prior art, on the basis that rotation can be kept, the structure is better optimized, production and manufacturing difficulty is further reduced, production and manufacturing are facilitated, meanwhile, operation is easier and easier, and large-scale application and popularization are better facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural equipment technical field especially, a kind of 90 degree rotating mechanism and grass trimmer for grass trimmer. BACKGROUND

[0002] It is known that grass trimmer is used for trimming grass in agricultural equipment, to prevent grass from growing too high, a kind of equipment that is used more and more widely, the traditional grass trimmer includes grass trimmer head and main body for holding grass trimmer head, such as grass trimmer disclosed in authorized announcement No.CN111108897B, wherein grass trimmer also appears rotating structure, this kind of grass trimmer can also realize 90 degrees back and forth rotation, to control the correct switching of unfolding and folding mode, but only for this kind of structure is relatively single, cannot meet the needs of production and manufacturing enterprises, at the same time, for the bolt, due to being inside rotating mechanism, length is similar to the diameter of rotating mechanism, and button is fixed with the bolt, button extends out of rotating mechanism and forms buckle assembly with bolt, which needs to use larger force when using, user is also more inconvenient to operate, it is necessary to improve for this kind of situation. SUMMARY

[0003] (I) technical problem to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of 90 degree rotating mechanism and grass trimmer for grass trimmer, which is different from the structure of prior art in design structure, structure is more optimized, and user is more easy and simple when operating and using, more conducive to large-scale promotion and use.

[0005] (II) technical scheme to be taken

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A kind of 90 degree rotating mechanism for grass trimmer, including rotating lever and the rotating seat of setting on the rotating lever, the rotating seat includes the base that enters the inside of the rotating lever, fixed seat is arranged on the base, the fixed seat is located on the one end surface of the rotating lever, and button piece is arranged on the fixed seat, the first clamping groove and the second clamping groove for cooperating with the button piece are arranged in the inside of the rotating lever, sliding track for the button piece sliding is arranged in the inside of the rotating lever between the first clamping groove and the second clamping groove, the first clamping groove and the second clamping groove are arranged at 90 degrees in the inside of the rotating lever, reset piece is arranged between the button piece and the rotating seat.

[0008] Preferably, the knob includes press portion arranged on the fixed seat and buckle portion on the side wall of the press portion, the end surface of the press portion is provided with positioning column for installing the reset piece.

[0009] Preferably, the buckle part is in the shape of a strip-shaped plate, and the buckle part and the pressing part of the strip-shaped plate are integrally formed.

[0010] Preferably, a protruding part is arranged on the pressing part side wall corresponding to the buckle part, and the protruding part is located inside the fixing seat.

[0011] Preferably, the base and the fixing seat are integrally formed, and the rotating rod is provided with a mounting groove, and the mounting groove is in clearance fit with the base.

[0012] Preferably, the rotating rod comprises two half rotating bodies which are symmetrically distributed, and the two half rotating bodies are fixedly connected together through fasteners, and the two half rotating bodies enclose the rotating rod through the fasteners, one end of the rotating rod is provided for inserting the base, and the base can rotate back and forth in the rotating rod.

[0013] In addition, the utility model also provides a grass trimmer which comprises the 90-degree rotating mechanism for the grass trimmer.

[0014] (Three) technical effects to be achieved

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] Firstly, the utility model comprises a rotating rod and a rotating seat arranged on the rotating rod, the rotating seat comprises a base which extends into the interior of the rotating rod, the base is provided with a fixing seat, the fixing seat is located on one end surface of the rotating rod, the base rotates back and forth by 90 degrees in the interior of the rotating rod, the fixing seat is provided with a button piece, the interior of the rotating rod is provided with a first clamping groove and a second clamping groove which are used for cooperating with the button piece, the interior of the rotating rod between the first clamping groove and the second clamping groove is provided with a sliding track which is used for sliding the button piece, the first clamping groove and the second clamping groove are arranged at 90 degrees in the interior of the rotating rod, and the button piece and the rotating seat are provided with a reset piece, which is different from the prior art in structure, is more optimized in structure on the basis of being able to rotate, thereby reducing the difficulty of production and manufacturing, facilitating production and manufacturing, being more easy and simple in operation, and being more conducive to large-scale promotion and use.

[0017] Secondly, the utility model comprises the 90-degree rotating mechanism for the grass trimmer, which only needs to press the button piece when operating, then makes the rotating seat relatively rotate with the rotating rod, and the rotating range is 90 degrees, so that the correct switching of the unfolding and folding modes is controlled, the rotating angle is fixed after the pressing force is released, the operation is extremely simple and convenient, and the utility model is convenient for large-scale promotion and use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the 90-degree rotating mechanism for the grass trimmer.

[0019] Figure 2 For Figure 1 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0020] Figure 3 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0021] Figure 4 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0022] Figure 5 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0023] Figure 6 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0024] Figure 7 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0025] Figure 8 Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0026] Figure 1 is a schematic view of the 90-degree rotating mechanism for the grass trimmer in the A-A section direction.

[0027] 10, grass trimmer; 20, 90-degree rotating mechanism for the grass trimmer. DETAILED DESCRIPTION

[0028] In the description of the present application, it should be noted that when an element is referred to as being "fixedly connected" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, or is the orientation or positional relation commonly placed when the utility model product is used, and is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are merely used for distinguishing description, and cannot be understood as indicating or implying relative importance. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited. The meaning of "several" is one or more than one, unless otherwise explicitly specified and limited.

[0030] In the description of the utility model, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below through the drawings and examples. However, it should be understood that the specific examples described herein are merely used to explain the utility model, and are not used to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0032] Example one: refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 And Figure 7The utility model provides a 90 degree rotating mechanism for grass trimmer, including the rotation bar 1 and the rotation seat 2 of setting on the rotation bar 1, the rotation seat 2 center has the through -hole for installing grass trimmer, and the through -hole is convenient for the combination of later period with grass trimmer, and the rotation seat 2 includes the base 21 of entering the inside of rotation bar 1, and the base 21 is provided with fixed seat 22, and fixed seat 22 is located on the one end surface of rotation bar 1, and the base 21 is back and forth 90 degrees rotation in the inside of rotation bar 1, and fixed seat 22 is provided with button piece 3, and the inside of rotation bar 1 is provided with the first clamping groove 4 and the second clamping groove 5 for cooperating with button piece 3, and the inside of rotation bar 1 between the first clamping groove 4 and the second clamping groove 5 is provided with the sliding track 6 for button piece 3 sliding, and the first clamping groove 4 and the second clamping groove 5 are arranged 90 degrees in the inside of rotation bar 1, and button piece 3 is provided with reset piece 7 between button piece 3 and rotation seat 2, and after button piece 3 is pressed and separates from the first clamping groove 4 or the second clamping groove 5, reset piece 7 will be compressed simultaneously, at this moment, can make rotation bar 1 and rotation seat 2 rotate each other, and the rotation range is through the 90 degree range of being back and forth rotated between the first clamping groove 4 and the second clamping groove 5 by button piece 3, until button piece 3 moves to the second clamping groove 5 or the first clamping groove 4 and is engaged, so that finally realize the position fixing of rotation bar 1 and rotation seat 2 after rotating.

[0033] Embodiment two: can be based on the embodiment one, as Figure 2 、 Figure 3 and Figure 7 Show, button piece 3 includes the pressing part 31 of setting on fixed seat 22 and the buckle part 32 on the side wall of pressing part 31, and buckle part 32 can fall into the first clamping groove 4 or the second clamping groove 5 to realize the fixing of button piece 3 after the rotation of rotation bar 1 and rotation seat 2, and buckle part 32 can slide back and forth on sliding track 6, and the end face of pressing part 31 is provided with the positioning column 33 for installing reset piece 7, which is conducive to the quick positioning installation of reset piece 7. Specific description, buckle part 32 adopts strip-shaped plate, and the buckle part 32 of strip-shaped plate and pressing part 31 are integrally formed, which greatly improves the structural firmness. Further explanation, the side wall of pressing part 31 is provided with protruding part 34 corresponding to buckle part 32, and protruding part 34 is located in the inside of fixed seat 22, and this setting is conducive to preventing button piece 3 from separating from fixed seat 22. It is explained that reset piece 7 adopts spring, which is conducive to automatically returning when the external force of pressing part 31 is removed by the rebound force of spring.

[0034] Embodiment three: can be based on the embodiment one or embodiment two, as Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 and Figure 7As shown, the base 21 and the fixed seat 22 are integrally formed, which improves the structural firmness, and the rotating rod 1 is provided with a mounting groove, which is gap-fitted with the base 21, which is conducive to the relative rotation of the rotating rod 1 and the rotating seat 2. Further, the rotating seat 2 is provided with a device groove for mounting the button piece 3, so that the button piece 3 can be pressed, and after the pressing force of the button piece 3 is removed, the reset piece 7 can be reset. Specifically, the outer surface of the base 21 is provided with at least one limiting ring, and the inside of the rotating rod 1 is provided with a limiting groove for the limiting ring, and in this embodiment, the limiting ring and the limiting groove are two, which is conducive to the relative rotation of the rotating rod 1 and the rotating seat 2. In the embodiment, the base 21 and the fixed seat 22 are symmetrically clamped together, and are fixed and locked by screws or bolts.

[0035] Embodiment four: can be based on embodiment one or embodiment two or embodiment three, as shown in Figure 3 , Figure 6 and Figure 7 , the rotating rod 1 includes two half bodies 11 which are symmetrically distributed, the two half bodies 11 are fixedly connected together by the fastener 12, and the two half bodies 11 are surrounded by the fastener 12 to form the rotating rod 1, one end of the rotating rod 1 is provided for the base 21 to be inserted, and the base 21 can rotate back and forth in the rotating rod 1, which is reasonable and convenient to implement. Specifically, the fastener 12 is a bolt or a screw, which is convenient to disassemble and install.

[0036] Embodiment five: can be based on embodiment one or embodiment two or embodiment three or embodiment four, as shown in Figure 8 , the utility model also provides a grass beater, because the grass beater 10 adopts the above 90 degree rotating mechanism 20 for grass beater, the grass beater 10 has rotation function, unlike prior art structure, the structure is more optimized, simultaneously reduces the complexity of assembly during production, improves the convenience of operation during use, also reduces the production cost of grass beater whole, and the user is more relaxed and simple during operation and use, it is more favorable to large -scale popularization and use. The grass beater 10 in the utility model is only an embodiment. It is explained that the 90 degree rotating mechanism 20 is provided with a limiting groove on the inner side wall, and the shaft of the grass beater 10 is provided with a limiting protrusion, so that when the limiting protrusion is located in the limiting groove, the shaft of the grass beater 10 can be better adjusted relative to the 90 degree rotating mechanism 20 within the 90 degree range, which is more conducive to meeting the user's use demand.

[0037] The standard parts used in the application file can be purchased from the market, the specific connection mode of each part adopts the conventional means such as bolt and rivet in the prior art, the internal components of the grass trimmer adopt the conventional type in the prior art, and the internal structure belongs to the prior art structure, workers can complete normal operation according to the existing technical manual, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0038] It should be noted that although the above embodiments have been described in this paper, the patent protection scope of the utility model is not limited thereby. Therefore, based on the innovative concept of the utility model, the changes and modifications of the embodiments described in this paper, or the equivalent structure or equivalent process transformation made by using the contents of the utility model specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, which are all included in the protection scope of the utility model patent.

Claims

1. A 90-degree rotating mechanism for a grass trimmer, comprising a rotating rod (1) and a rotating seat (2) arranged on the rotating rod (1), characterized in that: The rotating seat (2) comprises a base (21) extending into the rotating rod (1), the base (21) is provided with a fixing seat (22), the fixing seat (22) is located on one end surface of the rotating rod (1), and the fixing seat (22) is provided with a button piece (3), the rotating rod (1) is provided with a first clamping groove (4) and a second clamping groove (5) for cooperating with the button piece (3), the rotating rod (1) between the first clamping groove (4) and the second clamping groove (5) is provided with a sliding track (6) for sliding of the button piece (3), the first clamping groove (4) and the second clamping groove (5) are arranged at 90 degrees in the rotating rod (1), and the button piece (3) and the rotating seat (2) are provided with a reset piece (7).

2. A 90 degree rotation mechanism for a string trimmer as defined in claim 1, wherein: The button piece (3) comprises a pressing part (31) provided on the fixing seat (22) and a buckle part (32) on the side wall of the pressing part (31), and the end surface of the pressing part (31) is provided with a positioning column (33) for mounting the reset piece (7).

3. A 90 degree rotation mechanism for a string trimmer as defined in claim 2, wherein: The buckle part (32) is a strip-shaped plate, and the buckle part (32) of the strip-shaped plate is integrally formed with the pressing part (31).

4. The 90 degree rotation mechanism for a string trimmer of claim 2, wherein: A protruding part (34) is arranged on the side wall of the pressing part (31) corresponding to the buckle part (32), and the protruding part (34) is located in the fixing seat (22).

5. A 90 degree rotation mechanism for a string trimmer as defined in claim 1 or 2 or 3 or 4 wherein: The base (21) and the fixing seat (22) are integrally formed, the rotating rod (1) is provided with a mounting groove, and the mounting groove is gap-fitted with the base (21).

6. A 90 degree rotation mechanism for a string trimmer as defined in claim 1 or 2 or 3 or 4 wherein: The rotating rod (1) comprises two half rotating bodies (11) symmetrically distributed, the two half rotating bodies (11) are fixedly connected together through fasteners (12), the two half rotating bodies (11) are surrounded by the fasteners (12) to form the rotating rod (1), one end of the rotating rod (1) is provided for inserting the base (21), and the base (21) can rotate back and forth in the rotating rod (1).

7. A grass trimmer (10) characterized by: The 90-degree rotating mechanism (20) for the grass trimmer comprises the rotating mechanism (20) for the grass trimmer according to any one of claims 1 to 6.

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