Hand-operated lifting rod

Abstract

The utility model relates to a hand-operated lifting rod which comprises a first bending plate and a second bending plate. The second bending plate is arranged far away from the first bending plate; the connecting lifting piece is used for connecting the first bending plate and the second bending plate and comprises a first connecting piece and a second connecting piece which are connected with the first bending plate and the second bending plate respectively, and a driving rod assembly arranged on the first connecting piece and the second connecting piece; the first reinforcing pipe and the second reinforcing pipe are fixedly arranged on the first bending plate and the second bending plate respectively. And through the arrangement of the connecting lifting piece, the distance of the second connecting piece in the vertical direction is adjusted, the stability of position adjustment of the lifting rod is improved, and a better movement effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting rods, and in particular relates to a hand-cranked lifting rod. Background Art

[0002] As a kind of agricultural machinery accessory, the hand-cranked lifting rod plays an important role in agricultural production. The existing hand-cranked lifting rod has a simple structure. When adjusting the vertical distance, the adjustment range is too large, which is easy to shake and affects the stability of use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a hand-cranked lifting rod, which has the advantage of stable adjustment.

[0004] In order to achieve the above object, the technical solution of the utility model is as follows:

[0005] A hand-cranked lifting rod comprises: a first bending plate; a second bending plate arranged away from the first bending plate; a connecting lifting member for connecting the first bending plate and the second bending plate, the connecting lifting member comprising: a first connecting piece and a second connecting piece respectively connected to the first bending plate and the second bending plate, and a driving rod assembly arranged on the first connecting piece and the second connecting piece; and a first reinforcing tube and a second reinforcing tube respectively fixed on the first bending plate and the second bending plate.

[0006] As a preferred solution of the utility model, the first bending plate is provided with seven groups of first mounting holes, and the second bending plate is provided with two groups of second mounting holes.

[0007] As a preferred solution of the present invention, the first connecting piece and the second connecting piece are movably connected to the first bending plate and the second bending plate through screws, and the screws are fixed to both sides of the first bending plate and the second bending plate through nuts.

[0008] To implement the above technical solution, the screw rod is connected by a first connecting piece, a second connecting piece, a first bending plate, and a second bending plate.

[0009] As a preferred solution of the utility model, the driving rod assembly includes: a bearing and an internally threaded shaft, an adjusting rod connected to the bearing and the internally threaded shaft, and a driving handle connected to the adjusting rod, the bearing is mounted on the first connecting plate, and the internally threaded shaft is mounted on the second connecting plate.

[0010] To implement the above technical solution, the arrangement of the bearing and the internal threaded shaft causes the first connecting piece and the second connecting piece to move, thereby achieving lifting operations.

[0011] As a preferred solution of the utility model, the end of the adjusting rod is fixedly connected to the bearing, and the threaded end of the adjusting rod is rotatably connected to the internal threaded shaft.

[0012] As a preferred solution of the utility model, a support assembly is horizontally provided on the second reinforcement tube, and the support assembly includes: a fixed sleeve fixed to the second reinforcement tube, and a support tube movably arranged in the fixed sleeve, and the fixed sleeve and the support tube are both provided with two groups of adjustment holes, and the fixed sleeve and the support tube are locked by a fixing pin.

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

[0014] By setting the connecting lifting member, the distance of the second connecting piece in the vertical direction is adjusted, thereby improving the stability of the lifting rod position adjustment and achieving a better movement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] The numbers and letters in the figure represent the corresponding component names:

[0018] 1. First bending plate; 2. Second bending plate; 3. First connecting plate; 4. Second connecting plate; 5. First reinforcing tube; 6. Second reinforcing tube; 7. First mounting hole; 8. Second mounting hole; 9. Screw; 10. Bearing; 11. Internally threaded shaft; 12. Adjusting rod; 13. Driving handle; 14. Fixing sleeve; 15. Support tube; 16. Adjusting hole; 17. Fixing pin. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] A hand-cranked lifting rod, such as Figure 1As shown, it includes: a first bending plate 1; a second bending plate 2 arranged away from the first bending plate 1; a connecting lifting member for connecting the first bending plate 1 and the second bending plate 2, the connecting lifting member includes: a first connecting piece 3 and a second connecting piece 4 respectively connected to the first bending plate 1 and the second bending plate 2, and a driving rod assembly arranged on the first connecting piece 3 and the second connecting piece 4; and a first reinforcing tube 5 and a second reinforcing tube respectively fixed on the first bending plate 1 and the second bending plate 2.

[0022] The first bending plate 1 is provided with seven groups of first mounting holes 7 , and the second bending plate 2 is provided with two groups of second mounting holes 8 .

[0023] There are seven groups of first mounting holes 7, which can be freely combined to cooperate with different first mounting holes 7 according to usage requirements.

[0024] Furthermore, the first connecting piece 3 and the second connecting piece 4 are movably connected to the first bending plate 1 and the second bending plate 2 via the screw rod 9, and the screw rod 9 is fixed to both sides of the first bending plate 1 and the second bending plate 2 via nuts.

[0025] The screw rod 9 is installed between the two groups of first connecting pieces 3, and connects the first bending plate 1 and the second bending plate 2 through the first connecting piece 3 and the second connecting piece 4, so that the second connecting piece 4 changes its position in the vertical direction.

[0026] Specifically, the driving rod assembly includes: a bearing 10 and an internally threaded shaft 11, an adjusting rod 12 connected to the bearing 10 and the internally threaded shaft 11, and a driving handle 13 connected to the adjusting rod 12. The bearing 10 is installed on the first connecting plate 3, and the internally threaded shaft 11 is installed on the second connecting plate 4.

[0027] The end of the adjusting rod 12 is fixedly connected to the bearing 10 , and the threaded end of the adjusting rod 12 is rotatably connected to the internal threaded shaft 11 .

[0028] The driving handle 13 is adjusted. Since the adjusting rod 12 has threads, the adjusting rod 12 causes the second connecting piece 4 to move during rotation, thereby changing the height of the second connecting piece 4 in the vertical direction.

[0029] Finally, a support assembly is horizontally provided on the second reinforcement tube, and the support assembly includes: a fixing sleeve 14 fixed to the second reinforcement tube, and a support tube 15 movably arranged in the fixing sleeve 14 , and the fixing sleeve 14 and the support tube 15 are both provided with two groups of adjustment holes 16 , and the fixing sleeve 14 and the support tube 15 are locked by a fixing pin 17 .

[0030] By setting the connecting lifting member, the distance of the second connecting piece 4 in the vertical direction is adjusted, thereby improving the stability of the position adjustment of the lifting rod and achieving a better movement effect.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hand-cranked lifting rod, characterized in that: include: A first bent plate (1); a second bending plate (2) arranged away from the first bending plate (1); a connecting lifting member for connecting the first bending plate (1) and the second bending plate (2), the connecting lifting member comprising: a first connecting piece (3) and a second connecting piece (4) respectively connected to the first bending plate (1) and the second bending plate (2), and a driving rod assembly provided on the first connecting piece (3) and the second connecting piece (4); and A first reinforcing tube (5) and a second reinforcing tube (6) are respectively fixed on the first bending plate (1) and the second bending plate (2).

2. A hand-cranked lifting rod according to claim 1, characterized in that: The first bending plate (1) is provided with seven groups of first mounting holes (7), and the second bending plate (2) is provided with two groups of second mounting holes (8).

3. A hand-cranked lifting rod according to claim 2, characterized in that: The first connecting piece (3) and the second connecting piece (4) are movably connected to the first bending plate (1) and the second bending plate (2) via a screw rod (9), and the screw rod (9) is fixed to both sides of the first bending plate (1) and the second bending plate (2) via a nut.

4. A hand-cranked lifting rod according to claim 1, characterized in that: The driving rod assembly comprises: a bearing (10) and an internally threaded shaft (11), an adjusting rod (12) connected to the bearing (10) and the internally threaded shaft (11), and a driving handle (13) connected to the adjusting rod (12), wherein the bearing (10) is mounted on the first connecting piece (3), and the internally threaded shaft (11) is mounted on the second connecting piece (4).

5. A hand-cranked lifting rod according to claim 4, characterized in that: The end of the adjusting rod (12) is fixedly connected to the bearing (10), and the threaded end of the adjusting rod (12) is rotatably connected to the internal threaded shaft (11).

6. A hand-cranked lifting rod according to claim 1, characterized in that: A support assembly is horizontally arranged on the second reinforcement tube, and the support assembly comprises: a fixing sleeve (14) fixed to the second reinforcement tube, and a support tube (15) movably arranged in the fixing sleeve (14), the fixing sleeve (14) and the support tube (15) are both provided with two groups of adjustment holes (16), and the fixing sleeve (14) and the support tube (15) are locked by a fixing pin (17).

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