Differential bolt based on assembly structure optimization

Abstract

The utility model discloses a differential bolt based on assembly structure optimization, and belongs to the technical field of differential bolts, a differential bolt body comprises a screw rod, one end of the screw rod is in threaded connection with a locking screw, the other end of the screw rod is fixedly connected with a nut, and the surface of the nut is slidably sleeved with a limiting assembly. The differential mechanism bolt based on assembly structure optimization has the advantages that through the arrangement of the limiting assembly, the outer rod, the locking screw and the locking hole, the outer diameter of the differential mechanism bolt can be conveniently changed, the outer diameter of the differential mechanism bolt can be conveniently adjusted, and the outer diameter of the differential mechanism bolt can be conveniently adjusted; meanwhile, the connecting strength of the outer rod can be guaranteed, the use safety of the differential mechanism bolt is improved, the rotating position of the differential mechanism bolt can be manually limited when the differential mechanism bolt is used through the anti-sliding block and the stress application rod, a wrench does not need to be used for positioning, and use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to differential bolt technical field more specifically, it relates to differential bolt based on assembly structure optimization. BACKGROUND

[0002] The differential is an important component in the automobile transmission system, and is mainly used for coordinating the speed difference of left and right (or front and rear) drive wheels, and ensuring that the vehicle can run smoothly and efficiently when turning or driving on uneven road surfaces.

[0003] At present, differential bolts are needed when assembling the differential, and although the commonly used differential bolts can change their outer diameters, their connection strength is insufficient, which reduces the use safety of the differential bolts, and when the differential bolt and the nut are fastened, a wrench is needed to limit one end of the bolt, for example, the differential fastening bolt and its preparation process disclosed in publication No. CN118407964B, which comprises a bolt body for fixing the differential housing, the bottom end of the bolt body is located in the thread groove of the differential housing, the bolt body comprises a screw rod and a nut, the screw rod is externally provided with a screw rod adjusting assembly for adapting to different diameter thread grooves on the differential housing, and the screw rod adjusting assembly comprises a plurality of hollow screw rods with different diameters.

[0004] As known from the above-mentioned disclosure, when the screw rod and the hollow screw rod are positioned by the limiting strip and the slot assembly, the axial connection strength is insufficient, which may cause separation of the two during use, reducing the use safety of the bolt, and when the screw rod and the nut are fastened, one wrench is needed to rotate the nut and the other wrench is needed to limit the nut cap, so as to assemble and disassemble the bolt, making the differential fastening bolt inconvenient to use. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a differential bolt based on assembly structure optimization, which comprises a limiting assembly, an outer rod, a locking screw and a locking hole, which can not only change the outer diameter of the differential bolt, but also ensure the connection strength of the outer rod, improve the use safety of the differential bolt, and through the setting of the anti-skid block and the force rod, the rotation position of the differential bolt can be manually limited during use, without the need for a wrench to position, improving the use convenience.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] The differential bolt based on assembly structure optimization, including differential bolt body, the differential bolt body includes screw rod, one end of the screw rod is threadedly connected with locking screw, the other end of the screw rod is fixedly connected with nut, the surface of the nut is slidably connected with limiting assembly, the side surface of the limiting assembly is slidably connected with force bar, one end of the force bar is fixedly connected with anti-skid block, the other end of the force bar is threadedly connected with anti-coming-off sleeve, the bottom of the limiting assembly is threadedly connected with outer rod, the surface of the outer rod is threadedly connected with nut, the differential bolt based on assembly structure optimization, through the limiting assembly, the outer rod, the locking screw and the locking hole, not only the outer diameter of the differential bolt can be changed, but also the connecting strength of the outer rod can be ensured, the use safety of the differential bolt is improved, and through the anti-skid block and the force bar, the rotation position of the differential bolt can be manually limited when the differential bolt is used, without using wrench positioning, the use convenience is improved.

[0008] Further, the limiting assembly includes a limiting cap, one end of the limiting cap is provided with a limiting slot, the inner wall of the limiting slot is slidably connected with the surface of the nut, the nut and the limiting slot are polygonal, one end of the nut is provided with a polygonal groove, the polygonal groove, the limiting cap and the nut facilitate the rotation of one end of the differential bolt by three types of wrenches.

[0009] Further, the bottom of the limiting cap is fixedly connected with a limiting plate, the bottom of the limiting plate is provided with a connecting slot, the inner wall of the connecting slot is threadedly connected with one end of the outer rod, one end of the outer rod is provided with a receiving slot, the bottom of the receiving slot is fixedly connected with an anti-skid hole in communication, and the limiting plate and one end of the outer rod are threadedly connected, so that the outer rod can be replaced with a limiting plate of different outer diameter for use.

[0010] Further, the side inner wall of the limiting slot is fixedly connected with symmetrical side holes in communication, the side surface of the nut is provided with through holes in communication with the side holes, and the inner walls of the through holes and the side holes are slidably connected with the surface of the force bar, so that the force bar can slide, and the user's hand can be used to hold the anti-skid block to prevent the bolt end from being selected.

[0011] Further, the bottom of the anti-skid block is in the same plane as the bottom of the limiting plate, the bottom of the anti-skid block is fixedly connected with an elastic block, and the bottom of the limiting plate is fixedly connected with an elastic pad, so that the anti-skid block is pressed against the surface of the differential housing synchronously after the limiting plate and the differential housing are pressed tightly, and the locking of the bolt is not affected.

[0012] Further, the thickness of the elastic pad and the elastic block is the same, and the elastic pad and the elastic block are both elastic washers, which have the functions of buffering and damping, and prevent the bolt from loosening.

[0013] Further, one end of the screw rod is provided with a locking hole, and an inner wall of the locking hole is provided with an internal thread, so that the screw rod is fixed to the outer rod through a locking screw, and the connection strength is increased.

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

[0015] (1) The limiting assembly, the outer rod, the locking screw and the locking hole are arranged, so that the outer diameter of the differential bolt can be changed conveniently, the connection strength of the outer rod can be ensured, and the use safety of the differential bolt is improved.

[0016] (2) The anti-skid block and the force rod are arranged, so that the rotation position of the differential bolt can be manually limited during use, and the use convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a schematic view of the differential bolt body structure of the utility model;

[0019] Figure 3 It is a sectional view of the outer rod structure of the utility model;

[0020] Figure 4 It is a schematic view of the limiting assembly structure of the utility model;

[0021] Figure 5 It is a sectional view of the screw rod and the nut structure. Figure 2

[0022] Explanation of reference numerals in the drawing:

[0023] 1, differential bolt body; 11, screw rod; 12, locking hole; 13, nut; 14, groove; 15, through hole; 2, limiting assembly; 21, limiting cap; 22, limiting groove; 23, side hole; 24, connecting groove; 25, limiting plate; 26, elastic pad; 3, outer rod; 31, accommodating groove; 32, anti-skid hole; 4, anti-skid block; 41, elastic block; 42, force rod; 43, anti-dropping sleeve; 5, nut; 6, locking screw. DETAILED DESCRIPTION

[0024] 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, rather than 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. ​

[0025] Embodiment 1: Please refer to Figures 1-5 , based on the differential bolt structure optimization, including differential bolt body 1, differential bolt body 1 includes screw rod 11, one end of screw rod 11 is connected with locking screw 6, one end of screw rod 11 is provided with locking hole 12, the inner wall of locking hole 12 is provided with internal thread, the one end of screw rod 11 is fixed with outer rod 3 through locking screw 6, the connection strength is increased, one end of locking screw 6 is in contact with one end of outer rod 3, the cross-sectional area of locking screw 6 is less than the cross-sectional area of outer rod 3, when the bolt is not used nut 5, but directly connected with differential screw hole, locking screw 6 will not affect the bolt into the screw hole, the other end of screw rod 11 is fixedly connected with nut 13, the surface of nut 13 is slidably connected with limiting assembly 2, limiting assembly 2 includes limiting cap 21, one end of limiting cap 21 is provided with limiting groove 22, the inner wall of limiting groove 22 is slidably connected with the surface of nut 13, nut 13 and limiting groove 22 are polygonal, one end of nut 13 is provided with polygonal groove 14, polygonal groove 14, limiting cap 21 and nut 13, the one end of differential bolt can be rotated and disassembled by three types of wrench, the side surface of limiting assembly 2 is slidably connected with force rod 42, force rod 42 can reduce the labor intensity of user's hand, the user can easily fix the rotating position of one end of bolt, one end of force rod 42 is fixedly connected with anti-skid block 4, the other end of force rod 42 is threadedly connected with anti-dropping sleeve 43, anti-dropping sleeve 43 is a manual knob, which is convenient for manual assembly and disassembly, the bottom of limiting assembly 2 is threadedly connected with outer rod 3, the surface of outer rod 3 is threadedly connected with nut 5.

[0026] The bottom of limiting cap 21 is fixedly connected with limiting plate 25, the bottom of limiting plate 25 is provided with connecting groove 24, the inner wall of connecting groove 24 is threadedly connected with one end of outer rod 3, one end of outer rod 3 is provided with receiving groove 31, anti-skid hole 32 is fixedly communicated at the bottom of receiving groove 31, anti-skid hole 32 is polygonal, which is convenient for rotating one end of outer rod 3 by using internal hexagonal wrench, limiting plate 25 and one end of outer rod 3 are threadedly connected, which is convenient for replacing limiting plate 25 of different outer diameter to use, the side wall of limiting groove 22 is fixedly communicated with symmetrical side hole 23, the side of nut 13 is provided with through hole 15 communicated with side hole 23, the inner wall of through hole 15 and side hole 23 is slidably connected with the surface of force rod 42, force rod 42 can slide, and the user's hand can be easily grabbed to prevent the one end of bolt from being selected.

[0027] The bottom of the anti-skid block 4 is in the same plane with the bottom of the limiting plate 25, the bottom of the anti-skid block 4 is fixedly connected with the elastic block 41, the bottom of the limiting plate 25 is fixedly connected with the elastic pad 26, the anti-skid block 4 is pressed against the surface of the differential housing synchronously after being pressed against the limiting plate 25 and the differential housing, and the locking of the bolt is not affected, the thickness of the elastic pad 26 is the same as that of the elastic block 41, the elastic pad 26 and the elastic block 41 are both elastic washers, have the buffering and damping effect, and prevent the bolt from loosening.

[0028] The differential bolt based on the assembly structure optimization is used, whether the outer rod 3 is additionally installed is determined according to the size of the actual bolt hole, when the outer rod 3 is additionally installed, the outer rod 3 is screwed clockwise at one end and the connecting groove 24, the outer rod 3 is inserted at one end and the screw rod 11, the nut 13 is sleeved into the limiting groove 22, the locking screw 6 is screwed clockwise and the locking hole 12, the connecting position of the outer rod 3 and the screw rod 11 is fixed, the other end of the force rod 42 is inserted through the side hole 23 and the through hole 15, the anti-escape sleeve 43 is manually installed, the assembly is completed, one end of the differential bolt is inserted into the differential bolt hole, the nut 5 is screwed clockwise by the wrench, when the nut 5 is screwed clockwise, the other hand holds the force rod 42 to prevent the bolt from rotating with the nut 5, the limiting assembly 2, the outer rod 3, the locking screw 6 and the locking hole 12 are arranged, the outer diameter of the differential bolt can be changed, the connecting strength of the outer rod 3 is guaranteed, the use safety of the differential bolt is improved, the anti-skid block 4 and the force rod 42 are arranged, the rotation position of the differential bolt can be manually limited when the differential bolt is used, the wrench is not needed for positioning, and the use convenience is improved.

[0029] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A differential bolt based on optimized assembly structure, comprising a differential bolt body (1), characterized in that: The differential bolt body (1) includes a screw (11), one end of which is threaded with a locking screw (6), and the other end of which is fixedly connected with a nut (13). A limit assembly (2) is slidably sleeved on the surface of the nut (13). A force-adding rod (42) is slidably connected to the side of the limit assembly (2). An anti-slip block (4) is fixedly connected to one end of the force-adding rod (42), and an anti-disengagement sleeve (43) is threaded to the other end of the force-adding rod (42). An outer rod (3) is threaded to the bottom of the limit assembly (2), and a nut (5) is threaded to the surface of the outer rod (3).

2. The differential bolt based on assembly structure optimization according to claim 1, characterized in that: The limiting component (2) includes a limiting cap (21), one end of which has a limiting groove (22), the inner wall of which is slidably connected to the surface of the nut (13), both the nut (13) and the limiting groove (22) are polygonal, and one end of the nut (13) has a polygonal groove (14).

3. The differential bolt based on assembly structure optimization according to claim 2, characterized in that: The bottom of the limiting cap (21) is fixedly connected to a limiting plate (25). The bottom of the limiting plate (25) has a connecting groove (24). The inner wall of the connecting groove (24) is threadedly connected to one end of the outer rod (3). One end of the outer rod (3) has a storage groove (31). The bottom of the storage groove (31) is fixedly connected to an anti-slip hole (32).

4. The differential bolt based on assembly structure optimization according to claim 2, characterized in that: The inner wall of the limiting groove (22) is fixedly connected with symmetrical side holes (23), and the side of the nut (13) is opened with a through hole (15) connected to the side hole (23). The inner walls of the through hole (15) and the side hole (23) are slidably connected to the surface of the force rod (42).

5. The differential bolt based on assembly structure optimization according to claim 3, characterized in that: The bottom of the anti-slip block (4) is on the same plane as the bottom of the limiting plate (25). An elastic block (41) is fixedly connected to the bottom of the anti-slip block (4), and an elastic pad (26) is fixedly connected to the bottom of the limiting plate (25).

6. The differential bolt based on assembly structure optimization according to claim 5, characterized in that: The elastic pad (26) and the elastic block (41) have the same thickness, and both the elastic pad (26) and the elastic block (41) are elastic gaskets.

7. The differential bolt based on assembly structure optimization according to claim 1, characterized in that: One end of the screw (11) has a locking hole (12), and the inner wall of the locking hole (12) has an internal thread.

Images