Rotary sleeve device of lithium battery wrench
The gear transmission system of the lithium battery wrench rotating sleeve device solves the problem of bolt assemblies being difficult to loosen or tighten in the narrow space of railway track turnouts, and achieves effective tightening operation.
Patent Information
- Application Number
- CN202520159159.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In railway track turnouts, the narrow spaces at the toe rail joint before the frog and the heel rail joint after the frog make it difficult for electric wrenches to reach in and effectively loosen or tighten bolt assemblies.
A rotating socket device for a lithium-ion wrench was designed. The rotational motion at the input end is transmitted to the output end through a gear transmission system, enabling the tightening or loosening of nuts and adapting to operation in narrow spaces.
It enables the effective loosening or tightening of bolt assemblies in confined spaces, solving the problem of power tools being difficult to access and meeting the tightening requirements of railway track bolt assemblies.
Smart Images
Figure CN223719389U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rail bolt fastening technical field especially relates to a lithium electric wrench rotating sleeve device. BACKGROUND
[0002] At present, most electric wrenches need to make the rotating shaft of the electric wrench coaxial with the screwed nut to work. In the railway track, the frog toe rail joint before the frog and the frog heel rail joint after the frog are located at the intersection position of the two rails, and the space is very narrow. Moreover, the bolt assembly at the rail joint position is installed vertically to the rail and horizontally to the ground, and the distance between the bolt assembly and the ground is also very close. Therefore, it is difficult to insert the electric wrench, and it is not convenient to use the electric tool to loosen or tighten the bolt assembly. In addition, the installation and fastening of the rail bolt assembly require high precision, and it is difficult for manual operation to tighten or loosen the bolt assembly. SUMMARY
[0003] The utility model discloses a lithium electric wrench rotating sleeve device, which solves the problem of the narrow space of the frog toe rail joint before the frog and the frog heel rail joint after the frog, and the inconvenience of using the electric tool to loosen or tighten the bolt assembly of the joint.
[0004] The utility model discloses a lithium electric wrench rotating sleeve device, which solves the problem of the narrow space of the frog toe rail joint before the frog and the frog heel rail joint after the frog, and the inconvenience of using the electric tool to loosen or tighten the bolt assembly of the joint.
[0005] The utility model discloses a lithium electric wrench rotating sleeve device, which solves the problem of the narrow space of the frog toe rail joint before the frog and the frog heel rail joint after the frog, and the inconvenience of using the electric tool to loosen or tighten the bolt assembly of the joint.
[0006] Further, the transmission gear set includes a second gear, the second gear is connected with the output gear in mesh, the second gear is connected with the first gear in mesh, and the first gear is connected with the input gear set in mesh.
[0007] The second gear and the first gear are rotatably connected between the upper shell and the lower shell.
[0008] Further, the second gear is provided with two, and the two second gears are arranged at an angle of 40 degrees with respect to the center line connecting the output gear and the first gear.
[0009] Further, the input gear set comprises a reduction gear, which is rotationally connected to the lower shell, and the reduction gear is in meshing connection with the first gear;
[0010] One end of the reduction gear is fixedly connected with a bevel gear, which is in meshing connection with a small bevel gear, the small bevel gear is rotationally connected to the upper shell, and a gear shaft of the small bevel gear is provided with the input end, which is a hexagonal column structure.
[0011] Further, the upper shell comprises a main shell, which is provided with an end cover, and the gear shaft of the small bevel gear is rotationally arranged between the main shell and the end cover.
[0012] Further, the gear shaft of the reduction gear is provided with a bevel gear seat, a first pin hole and a first threaded hole, the bevel gear is clamped in the bevel gear seat, the bevel gear is provided with a second pin hole and a second threaded hole, the first pin hole and the second pin hole are fixedly connected through a fixed pin, and the first threaded hole and the second threaded hole are fixedly connected through a screw.
[0013] Further, the lower shell is provided with a reduction gear seat, the reduction gear seat is provided with a reduction gear seat shaft, the gear shaft of the reduction gear is provided with a reduction gear seat shaft hole, the reduction gear is clamped in the reduction gear seat, and the reduction gear seat shaft hole is rotationally connected to the reduction gear seat shaft.
[0014] The lower shell is provided with a first gear seat, the first gear seat is provided with a first gear seat shaft, the gear shaft of the first gear is provided with a first gear shaft hole, the first gear is clamped in the first gear seat, and the first gear shaft hole is rotationally connected to the first gear seat shaft.
[0015] The lower shell is provided with a second gear seat, the second gear seat is provided with a second gear seat shaft, the gear shaft of the second gear is provided with a second gear shaft hole, the second gear is clamped in the second gear seat, and the second gear shaft hole is rotationally connected to the second gear seat shaft.
[0016] Further, the first gear and the first gear seat, the second gear and the second gear seat, and the reduction gear and the reduction gear seat are rotationally connected through a shaft sleeve.
[0017] Further, the output end is a through hole structure with internal teeth.
[0018] The opening comprises a first slot and an output gear base, the first slot is communicated with the output gear base, a second slot is arranged on the output gear, the second slot is communicated with the output end, the output end is arranged on the inner wall of the gear shaft of the output gear, and the gear shaft of the output gear is rotationally connected to the output gear base of the upper shell and the lower shell through an opening shaft sleeve.
[0019] Further, the lower shell is provided with a handle.
[0020] Compared with the prior art, the beneficial technical effects of the utility model are:
[0021] The utility model discloses when working, the output end is sleeved on the nut, and the input end of input gear set is screwed through the transmission between the gears, so as to drive the output gear to rotate, and the problem that the bolt assembly at the rail joint before the frog toe and the rail joint after the frog heel cannot be loosened or fastened by using the electric tool due to the limited space is solved. BRIEF DESCRIPTION OF DRAWINGS
[0022] The utility model will be further described below in combination with the drawings.
[0023] Figure 1 It is structure schematic diagram of lithium electric wrench rotating sleeve device of the utility model;
[0024] Figure 2 It is internal structure schematic diagram of lithium electric wrench rotating sleeve device of the utility model;
[0025] Figure 3 It is internal structure plan view of lithium electric wrench rotating sleeve device of the utility model;
[0026] Figure 4 It is structure schematic diagram of lithium electric wrench rotating sleeve device of the utility model after removing upper shell and lower shell;
[0027] Figure 5 It is output gear structure schematic diagram in lithium electric wrench rotating sleeve device of the utility model;
[0028] Figure 6 It is second gear structure schematic diagram in lithium electric wrench rotating sleeve device of the utility model;
[0029] Figure 7 It is first gear structure schematic diagram in lithium electric wrench rotating sleeve device of the utility model;
[0030] Figure 8 It is small bevel gear structure schematic diagram in lithium electric wrench rotating sleeve device of the utility model;
[0031] Figure 9The utility model discloses a lithium battery wrench rotating sleeve device's upper shell structure schematic diagram.
[0032] Figure 10 The utility model discloses a lithium battery wrench rotating sleeve device's reduction gear and conical gear structure schematic diagram.
[0033] Figure 11 The utility model discloses a lithium battery wrench rotating sleeve device's reduction gear sectional view.
[0034] Figure 12 The utility model discloses a lithium battery wrench rotating sleeve device's lower shell structure schematic diagram.
[0035] Figure 13 The utility model discloses a lithium battery wrench rotating sleeve device's handle installation schematic diagram.
[0036] Figure 14 It is bolt position schematic diagram of rail joint at the rail joint of the frog toe in the background art.
[0037] Mark 1, upper shell; 1-1, main shell; 1-2, end cover; 2, lower shell; 2-1, reduction gear base; 2-1-1, reduction gear base axle; 2-2, first gear base; 2-2-1, first gear base axle; 2-3, second gear base; 2-3-1, second gear base axle; 3, opening; 3-1, first slot; 3-2, output gear base; 4, output gear; 4-1, second slot; 4-2, opening axle sleeve; 5, transmission gear group; 5-1, first gear; 5-1-1, first gear axle hole; 5-2, second gear; 5-2-1, second gear axle hole; 6, input gear group; 6-1, reduction gear; 6-1-1, conical gear base; 6-1-2, first pin hole; 6-1-3, first threaded hole; 6-1-4, reduction gear base axle hole; 6-2, conical gear; 6-2-1, second pin hole; 6-2-2, second threaded hole; 6-3, small bevel gear; 6-4, fixed pin; 7, handle; 8, axle sleeve; 9, input end; 10, output end. DETAILED DESCRIPTION
[0038] In order to make the technical problem, technical scheme and beneficial effect that the utility model wants to solve more clearly clear, the following is combined with the drawing and example, and the utility model is further explained in detail.
[0039] As Figure 1 And Figure 2As shown in the figure, the embodiment discloses a lithium electric wrench rotating sleeve device, which comprises an upper shell 1, the upper shell 1 and a lower shell 2 are connected through bolts, one end of the upper shell 1 and the lower shell 2 is provided with an opening 3, the lower shell 2 is provided with an output gear 4 at the position of the opening 3, the output gear 4 is connected with a transmission gear set 5 in meshing connection, the transmission gear set 5 is connected with an input gear set 6 in meshing connection. The input gear set 6 is provided with an input end 9, the input end 9 is rotatably connected to the upper shell 1 and extends to the outside of the upper shell 1; the output gear 4 is provided with an output end 10, and the output gear 4 is rotatably connected to the opening 3.
[0040] As shown in the figure, Figure 3 The transmission gear set 5 comprises a second gear 5-2, the second gear 5-2 is connected with the output gear 4 in meshing connection, the second gear 5-2 is connected with a first gear 5-1 in meshing connection, and the first gear 5-1 is connected with the input gear set 6 in meshing connection; the second gear 5-2 and the first gear 5-1 are rotatably connected between the upper shell 1 and the lower shell 2.
[0041] In the embodiment, two second gears 5-2 are arranged, and the two second gears 5-2 are arranged at an angle of 40 degrees with respect to the center line connecting the output gear 4 and the first gear 5-1.
[0042] As shown in the figure, Figure 4 and Figure 9 The input gear set 6 comprises a speed reduction gear 6-1, the speed reduction gear 6-1 is rotatably connected to the lower shell 2, and the speed reduction gear 6-1 is connected with the first gear 5-1 in meshing connection; one end of the speed reduction gear 6-1 is fixedly connected with a bevel gear 6-2 on the shaft end face, the bevel gear 6-2 is connected with a small bevel gear 6-3 in meshing connection, the small bevel gear 6-3 is rotatably connected to the upper shell 1, and the small bevel gear 6-3 is provided with the input end 9 on the gear shaft, in the embodiment, the input end 9 is a hexagonal column structure, so as to facilitate the use of the electric wrench sleeve to be screwed on it.
[0043] In the embodiment, the upper shell 1 comprises a main shell 1-1, the main shell 1-1 is provided with an end cover 1-2, and the gear shaft of the small bevel gear 6-3 is rotatably arranged between the main shell 1-1 and the end cover 1-2.
[0044] As shown in the figure, Figures 10 to 12 The gear shaft of the speed reduction gear 6-1 is provided with a bevel gear seat 6-1-1, a first pin hole 6-1-2 and a first threaded hole 6-1-3, the bevel gear 6-2 is clamped in the bevel gear seat 6-1-1, the bevel gear 6-2 is provided with a second pin hole 6-2-1 and a second threaded hole 6-2-2, the first pin hole 6-1-2 and the second pin hole 6-2-1 are fixedly connected through a fixed pin 6-4, and the first threaded hole 6-1-3 and the second threaded hole 6-2-2 are fixedly connected through a screw.
[0045] The lower shell 2 is provided with a reduction gear seat 2-1, the reduction gear seat 2-1 is provided with a reduction gear seat shaft 2-1-1, the gear shaft of the reduction gear 6-1 is provided with a reduction gear seat shaft hole 6-1-4, the reduction gear 6-1 is clamped in the reduction gear seat 2-1, and the reduction gear seat shaft hole 6-1-4 is rotationally connected to the reduction gear seat shaft 2-1-1.
[0046] As shown in Figure 7 and Figure 12 , the lower shell 2 is provided with a first gear seat 2-2, the first gear seat 2-2 is provided with a first gear seat shaft 2-2-1, the gear shaft of the first gear 5-1 is provided with a first gear shaft hole 5-1-1, the first gear 5-1 is clamped in the first gear seat 2-2, and the first gear shaft hole 5-1-1 is rotationally connected to the first gear seat shaft 2-2-1.
[0047] As shown in Figure 6 and Figure 12 , the lower shell 2 is provided with a second gear seat 2-3, the second gear seat 2-3 is provided with a second gear seat shaft 2-3-1, the gear shaft of the second gear 5-2 is provided with a second gear shaft hole 5-2-1, the second gear 5-2 is clamped in the second gear seat 2-3, and the second gear shaft hole 5-2-1 is rotationally connected to the second gear seat shaft 2-3-1.
[0048] In this embodiment, the first gear 5-1 and the first gear seat 2-2, the second gear 5-2 and the second gear seat 2-3, and the reduction gear 6-1 and the reduction gear seat 2-1 are all rotationally connected through the shaft sleeve 8.
[0049] As shown in Figure 4 , Figure 5 , and Figure 12 , in this embodiment, the output end 10 is a through hole structure with internal teeth, and the output end 10 is sleeved on the nut for limiting during use. The opening 3 includes a first slot 3-1 and an output gear seat 3-2, the first slot 3-1 communicates with the output gear seat 3-2, the output gear 4 is provided with a second slot 4-1, the second slot 4-1 communicates with the output end 10, the output end 10 is arranged on the inner wall of the gear shaft of the output gear 4, and the gear shaft of the output gear 4 is rotationally connected to the output gear seat 3-2 of the upper shell 1 and the lower shell 2 through the opening shaft sleeve 4-2. In this embodiment, the first slot 3-1 and the second slot 4-1 have the same width and are smaller than the inner diameter of the output end 10, when the output end 10 cannot be directly sleeved on the nut, the first slot 3-1 and the second slot 4-1 can be inserted from the screw rod of the bolt, and then moved along the screw rod direction to make the output end 10 sleeved on the nut.
[0050] As shown in Figure 13 , in this embodiment, the lower shell 2 is connected with the handle 7 through the bolt.
[0051] As Figures 1 to 14 shown, the working process of the utility model is as follows:
[0052] First, the handheld handle 7, the device is placed vertically, the output end 10 of the output gear 4 is sleeved on the nut to be screwed, at this time the input end 9 is vertically upward, the electric wrench sleeve can be sleeved on the input end 9 and screwed, the bevel gear 6-3 starts to rotate, and the conical gear 6-2 and the reduction gear 6-1 are driven to rotate, the reduction gear 6-1 drives the first gear 5-1, and the first gear 5-1 transmits the rotary motion to the output gear 4 by means of two second gears 5-2, and then drives the nut in the output end 10 to rotate to achieve the purpose of fastening or unscrewing.
[0053] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope defined by the claims of the utility model.
Claims
1. A lithium electric wrench rotating sleeve device, comprising an upper shell (1), the upper shell (1) and the lower shell (2) are connected by bolts, characterized in that: One end of the upper shell (1) and the lower shell (2) is provided with an opening (3), the lower shell (2) is provided with an output gear (4) at the position of the opening (3), the output gear (4) is meshed and connected with a transmission gear set (5), the transmission gear set (5) is meshed and connected with an input gear set (6); The input gear set (6) is provided with an input end (9), which is rotatably connected to the upper shell (1) and extends to the outside of the upper shell (1); The output gear (4) is provided with an output end (10), and the output gear (4) is rotatably connected to the opening (3).
2. The lithium electric wrench rotating sleeve device of claim 1, wherein: The transmission gear set (5) comprises a second gear (5-2), which is meshed and connected with the output gear (4), the second gear (5-2) is meshed and connected with a first gear (5-1), and the first gear (5-1) is meshed and connected with the input gear set (6); The second gear (5-2) and the first gear (5-1) are rotatably connected between the upper shell (1) and the lower shell (2).
3. The lithium electric wrench rotating sleeve device of claim 2, wherein: The second gear (5-2) is provided with two, and the two second gears (5-2) are arranged at an angle of 40 degrees with respect to the center line of the output gear (4) and the first gear (5-1).
4. The lithium electric wrench rotating sleeve device of claim 2, wherein: The input gear set (6) comprises a reduction gear (6-1), which is rotatably connected to the lower shell (2), and the reduction gear (6-1) is meshed and connected with the first gear (5-1); One end of the reduction gear (6-1) is fixedly connected with a bevel gear (6-2) on the shaft end face, the bevel gear (6-2) is meshed and connected with a small bevel gear (6-3), the small bevel gear (6-3) is rotatably connected to the upper shell (1), the input end (9) is provided on the gear shaft of the small bevel gear (6-3), and the input end (9) is a hexagonal column structure.
5. The lithium electric wrench rotating sleeve device of claim 4, wherein: The upper shell (1) comprises a main shell (1-1), the main shell (1-1) is provided with an end cover (1-2), and the gear shaft of the small bevel gear (6-3) is rotatably arranged between the main shell (1-1) and the end cover (1-2).
6. The lithium electric wrench rotating sleeve device of claim 4, wherein: The gear shaft of the reduction gear (6-1) is provided with a bevel gear seat (6-1-1), a first pin hole (6-1-2) and a first threaded hole (6-1-3), the bevel gear (6-2) is clamped in the bevel gear seat (6-1-1), the bevel gear (6-2) is provided with a second pin hole (6-2-1) and a second threaded hole (6-2-2), the first pin hole (6-1-2) and the second pin hole (6-2-1) are fixedly connected through a fixed pin (6-4), and the first threaded hole (6-1-3) and the second threaded hole (6-2-2) are fixedly connected through a screw.
7. The lithium electric wrench rotary sleeve device of claim 6, wherein: The lower shell (2) is provided with a reduction gear seat (2-1), the reduction gear seat (2-1) is provided with a reduction gear seat shaft (2-1-1), the gear shaft of the reduction gear (6-1) is provided with a reduction gear seat shaft hole (6-1-4), the reduction gear (6-1) is clamped in the reduction gear seat (2-1), and the reduction gear seat shaft hole (6-1-4) is rotatably connected to the reduction gear seat shaft (2-1-1). The lower shell (2) is provided with a first gear seat (2-2), the first gear seat (2-2) is provided with a first gear seat shaft (2-2-1), the gear shaft of the first gear (5-1) is provided with a first gear shaft hole (5-1-1), the first gear (5-1) is clamped in the first gear seat (2-2), and the first gear shaft hole (5-1-1) is rotatably connected to the first gear seat shaft (2-2-1). The lower shell (2) is provided with a second gear seat (2-3), the second gear seat (2-3) is provided with a second gear seat shaft (2-3-1), the gear shaft of the second gear (5-2) is provided with a second gear shaft hole (5-2-1), the second gear (5-2) is clamped in the second gear seat (2-3), and the second gear shaft hole (5-2-1) is rotatably connected to the second gear seat shaft (2-3-1).
8. The lithium electric wrench rotating sleeve device of claim 7, wherein: The first gear (5-1) and the first gear seat (2-2), the second gear (5-2) and the second gear seat (2-3), and the reduction gear (6-1) and the reduction gear seat (2-1) are rotatably connected through the shaft sleeve (8).
9. The lithium electric wrench rotating sleeve device of claim 1, wherein: The output end (10) is a through hole structure with internal teeth. The opening (3) comprises a first slot (3-1) and an output gear seat (3-2), the first slot (3-1) communicates with the output gear seat (3-2), the output gear (4) is provided with a second slot (4-1), the second slot (4-1) communicates with the output end (10), the output end (10) is arranged on the inner wall of the gear shaft of the output gear (4), and the gear shaft of the output gear (4) is rotatably connected to the output gear seat (3-2) of the upper shell (1) and the lower shell (2) through the opening shaft sleeve (4-2).
10. The lithium electric wrench rotating sleeve device of claim 1, wherein: The lower shell (2) is provided with a handle (7).