Mower with adjustable mowing height

Abstract

The utility model relates to the technical field of mowing machines, in particular to a mowing height adjustable mowing machine which comprises a device body, the device body comprises an armrest frame, a hinge frame is arranged at the bottom end of the armrest frame, and a mowing device is connected to the bottom end of the hinge frame; an adjusting mechanism is inserted into the bottom end of the armrest frame, the adjusting mechanism comprises a movable rod, and limiting sliding plates are connected to the two sides of the movable rod. The threaded rod is rotated to move in the threaded groove formed in the armrest frame, when the threaded rod moves, the angle of the movable rod is not affected by rotation of the threaded rod through the bearing, the threaded rod drives the movable rod to move at the same time, and buffering is conducted between the armrest frame and the hinged frame through the rubber gasket ring; the length of the armrest frame can be adjusted through the flexible contact between the armrest frame and the armrest frame, and the problem that fatigue is increased due to the fact that the bending angle is too large due to the length is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the lawn mower technical field, concretely is a height -adjustable lawn mower of mowing. BACKGROUND

[0002] The main role of the lawn mower is to trim the lawn and vegetation, which cuts the lawn and vegetation through the high-speed rotation of the blade, has the characteristics of high efficiency and time saving, can significantly reduce the working time of the weeding worker, and reduces the consumption of human resources, and the use scene of the lawn mower is very wide, including garden decoration trimming, urban street, highway green belt, green scenic spot, rural trimming, field weeding and the like, especially in the lawn and grassland in the park, football field and other grassland, the lawn mower plays an important role.

[0003] When the existing lawn mower is used, the role of the lawn mower is to trim the lawn and vegetation, and reduce the weeding operation time, the length of the handrail frame is fixed, when workers of different heights use it, the length causes the bending angle to be too large, and the fatigue is increased. UTILITY MODEL CONTENT

[0004] The utility model discloses a height -adjustable lawn mower of mowing to solve the problem of the fatigue increase caused by the bending angle being too large when workers of different heights use it.

[0005] To achieve the above object, the utility model provides the following technical scheme, a height -adjustable lawn mower of mowing, comprising:

[0006] The device body includes a handrail frame, the bottom end of the handrail frame is provided with a hinged frame, and the bottom end of the hinged frame is connected with a lawn mower;

[0007] The bottom end of the handrail frame is provided with an adjusting mechanism, the adjusting mechanism includes a movable rod, the movable rod is connected with a limiting slide plate on both sides, the bottom end of the movable rod is connected with a bearing, the bottom end of the bearing is connected with a threaded rod, and the outer wall of the threaded rod is sleeved with a rubber pad ring.

[0008] Preferably, a threaded groove is formed in the surface of the bottom end of the handrail frame, a movable groove is formed in one side of the inner wall of the threaded groove of the handrail frame, and the threaded rod is rotatably connected in the threaded groove of the handrail frame.

[0009] Preferably, a through groove is formed in the inner wall of the movable groove of the handrail frame, and the limiting slide plate is slidably connected in the through groove of the handrail frame.

[0010] Preferably, the movable rod and the threaded rod are movably connected by a bearing, the threaded rod is arranged on the top surface of the hinged frame, and the rubber pad ring is filled between the handrail frame and the hinged frame for buffering.

[0011] Preferably, assembly structures are connected to the two sides of the bottom end of the threaded rod, the assembly structure comprises a positioning block, a fixing sleeve is sleeved on the outer wall of the positioning block, a supporting spring is connected to one side of the inner surface of the fixing sleeve, and a limiting bolt is inserted into the fixing sleeve on one side.

[0012] Preferably, the fixing sleeve is connected to the top end surface of the mower, a groove is formed in the bottom end surface of the threaded rod, the top end of the supporting spring is inserted into the groove formed in the threaded rod, and the threaded rod and the supporting spring are not directly connected.

[0013] Preferably, positioning grooves are formed in the inner surface of the fixing sleeve, the positioning block is inserted into the positioning groove formed in the fixing sleeve, a through hole is formed in one side of the inner wall of the fixing sleeve, a threaded hole is formed in one side of the threaded rod, and one end of the limiting bolt is rotatably connected to the threaded hole formed in the threaded rod through the through hole formed in the fixing sleeve.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The threaded rod is moved in the threaded groove of the handrail frame by rotating the threaded rod, the rotation of the threaded rod does not affect the angle of the movable rod by the bearing when the threaded rod moves, the threaded rod drives the movable rod to move at the same time, the limiting slide plate is slid in the through groove of the handrail frame, the movable rod is limited and moved, the movable rod is always located in the movable groove of the handrail frame, the handrail frame and the hinged frame are buffered by the rubber pad ring, the two are flexibly contacted, the length adjustment of the handrail frame is realized, the problem that the bending angle is too large and fatigue is increased due to the length is avoided.

[0016] 2. The threaded rod is inserted into the fixing sleeve at the bottom end, the positioning block is inserted into the positioning groove of the fixing sleeve at the same time, the angle of the threaded rod is limited, the supporting spring is inserted into the groove formed in the bottom end of the threaded rod, the threaded rod and the fixing sleeve are elastically buffered, one end of the limiting bolt is rotatably connected to the threaded hole of the threaded rod through the through hole of the fixing sleeve, and the threaded rod is limited, so that the assembly effect between the handrail frame and the hinged frame is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure front view of the utility model;

[0018] Figure 2 It is a structure front view of the utility model;

[0019] Figure 3 It is a structure side view cross-sectional perspective view of the utility model;

[0020] Figure 4 It is a structure top view partial cross-sectional perspective view of the utility model;

[0021] Figure 5 It is a structure side view partial cross-sectional perspective view of the utility model.

[0022] In the figure: 1, device body; 11, handrail frame; 12, hinged frame; 13, mower; 2, adjusting mechanism; 21, movable rod; 22, limit slide plate; 23, bearing; 24, threaded rod; 25, rubber pad ring; 3, assembly structure; 31, positioning block; 32, fixed sleeve; 33, supporting spring; 34, limit bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0025] A mower with adjustable mowing height, comprising:

[0026] The device body 1 comprises a handrail frame 11, the bottom end of the handrail frame 11 is provided with a hinged frame 12, the bottom end of the hinged frame 12 is connected with a mower 13, the internal material of the handrail frame 11 is prior art, which can be purchased on the market, and is not the technical protection point of the present application, therefore, it is not stated too much.

[0027] The bottom end of the handrail frame 11 is internally provided with an adjusting mechanism 2, the adjusting mechanism 2 comprises a movable rod 21, the movable rod 21 is connected with a limit slide plate 22 on both sides, the bottom end of the movable rod 21 is connected with a bearing 23, the bottom end of the bearing 23 is connected with a threaded rod 24, and the threaded rod 24 is sleeved with a rubber pad ring 25 on the outer wall.

[0028] Further, a threaded groove is formed in the bottom end surface of the handrail frame 11, a movable groove is formed in one side of the inner wall of the threaded groove of the handrail frame 11, the threaded rod 24 is rotationally connected in the threaded groove of the handrail frame 11, so that the threaded rod 24 is limited through the threaded groove of the handrail frame 11.

[0029] Further, the inner wall of the movable slot of the handrail frame 11 is provided with a through slot, the limiting slide plate 22 is inserted into the through slot of the handrail frame 11 and is in sliding connection with the handrail frame 11, so that the limiting slide plate 22 is moved and limited through the through slot of the handrail frame 11.

[0030] Further, the movable rod 21 and the threaded rod 24 are movably connected through the bearing 23, the threaded rod 24 is arranged at the top end surface of the hinged frame 12, and the rubber pad ring 25 is filled between the handrail frame 11 and the hinged frame 12 to buffer, so that the handrail frame 11 and the hinged frame 12 are in flexible contact through the rubber pad ring 25.

[0031] Further, the threaded rod 24 is connected with the assembly structure 3 at both sides of the bottom end, the assembly structure 3 comprises a positioning block 31, the outer wall of the positioning block 31 is sleeved with a fixing sleeve 32, one side of the inner surface of the fixing sleeve 32 is connected with a supporting spring 33, and a limiting bolt 34 is inserted into the inside of one side of the fixing sleeve 32, so as to realize the assembly effect between the handrail frame 11 and the hinged frame 12.

[0032] Further, the fixing sleeve 32 is connected to the top end surface of the mower 13, the bottom end surface of the threaded rod 24 is provided with a groove, the top end of the supporting spring 33 is inserted into the groove of the threaded rod 24, and the threaded rod 24 and the supporting spring 33 are not directly connected, so as to realize the elastic buffering effect between the threaded rod 24 and the fixing sleeve 32 through the supporting spring 33.

[0033] Further, the inner surface of the fixing sleeve 32 is provided with a positioning slot at both sides, the positioning block 31 is inserted into the positioning slot of the fixing sleeve 32, the inner wall of the fixing sleeve 32 is provided with a through hole at one side, the threaded rod 24 is provided with a threaded hole at one side, and one end of the limiting bolt 34 is rotatably connected to the threaded hole of the threaded rod 24 through the through hole of the fixing sleeve 32, so as to realize the limiting effect of the threaded rod 24 through the limiting bolt 34.

[0034] Working principle: when the mower is adjusted, the threaded rod 24 is moved in the threaded slot of the handrail frame 11 by rotating, and when the threaded rod 24 moves, the rotation of the threaded rod 24 does not affect the angle of the movable rod 21 through the bearing 23, and the threaded rod 24 drives the movable rod 21 to move at the same time, so that the limiting slide plate 22 slides in the through slot of the handrail frame 11, the movable rod 21 is moved and limited, the movable rod 21 is always located in the movable slot of the handrail frame 11, the handrail frame 11 and the hinged frame 12 are buffered through the rubber pad ring 25, and the two are in flexible contact, so as to realize the length adjustment effect of the handrail frame 11.

[0035] When the adjustable mowing height mower is assembled, the positioning block 31 is inserted into the positioning groove of the fixing sleeve 32 by inserting the bottom end of the threaded rod 24 into the fixing sleeve 32, the angle of the threaded rod 24 is limited, the supporting spring 33 is inserted into the groove at the bottom end of the threaded rod 24, the threaded rod 24 and the fixing sleeve 32 are elastically buffered, then the limiting bolt 34 is screwed into the threaded hole of the threaded rod 24 through the through hole of the fixing sleeve 32, the threaded rod 24 is limited, thereby realizing the assembly of the handrail frame 11 and the hinged frame 12.

[0036] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A lawnmower with an adjustable cutting height, characterized in that Include: The device body (1) includes a handrail frame (11), the bottom end of the handrail frame (11) is provided with a hinged frame (12), and the bottom end of the hinged frame (12) is connected with a mower (13); The bottom end of the handrail frame (11) is provided with an adjusting mechanism (2), the adjusting mechanism (2) includes a movable rod (21), the movable rod (21) is connected with a limiting sliding plate (22) on both sides, the bottom end of the movable rod (21) is connected with a bearing (23), the bottom end of the bearing (23) is connected with a threaded rod (24), and the outer wall of the threaded rod (24) is sleeved with a rubber pad ring (25).

2. A height adjustable lawnmower according to claim 1, characterised in that: The bottom surface of the handrail frame (11) is provided with a threaded groove, the inner wall of the threaded groove of the handrail frame (11) is provided with a movable slot on one side, and the threaded rod (24) is rotatably connected in the threaded groove of the handrail frame (11).

3. A height adjustable lawnmower according to claim 1, characterised in that: The inner wall of the movable slot of the handrail frame (11) is provided with a through groove on both sides, and the limiting sliding plate (22) is inserted into the through groove of the handrail frame (11) and is connected with the handrail frame (11) in a sliding manner.

4. A height adjustable lawnmower according to claim 1, characterised in that: The movable rod (21) and the threaded rod (24) are movably connected through the bearing (23), the threaded rod (24) is arranged on the top surface of the hinged frame (12), and the rubber pad ring (25) is filled between the handrail frame (11) and the hinged frame (12) to buffer.

5. A height adjustable lawnmower according to claim 1, characterised in that: The bottom end of the threaded rod (24) is connected with an assembly structure (3), the assembly structure (3) includes a positioning block (31), the outer wall of the positioning block (31) is sleeved with a fixed sleeve (32), the inner surface of the fixed sleeve (32) is connected with a supporting spring (33) on one side, and the fixed sleeve (32) is internally provided with a limiting bolt (34) on one side.

6. A height adjustable lawnmower according to claim 5, characterised in that: The fixed sleeve (32) is connected to the top surface of the mower (13), the bottom surface of the threaded rod (24) is provided with a groove, the top end of the supporting spring (33) is inserted into the groove of the threaded rod (24), and the threaded rod (24) and the supporting spring (33) are not directly connected.

7. A height adjustable lawnmower according to claim 5, wherein: The inner surface of the fixed sleeve (32) is provided with a positioning groove on both sides, the positioning block (31) is inserted into the positioning groove of the fixed sleeve (32), the inner wall of the fixed sleeve (32) is provided with a through hole on one side, the threaded rod (24) is provided with a threaded hole on one side, and one end of the limiting bolt (34) passes through the through hole of the fixed sleeve (32) and is rotatably connected to the threaded hole of the threaded rod (24).

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