阅读说明：本技术 一种带有快速拆卸结构的新能源汽车差速器壳体 (New energy automobile differential mechanism casing with dismantle structure fast ) 是由 唐建新 许栩 林建华 吴金龙 李猛 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种带有快速拆卸结构的新能源汽车差速器壳体,包括外壳与封盖,外壳靠近封盖的一端固定连接有连接法兰,封盖靠近外壳的一侧外环等距固定连接有若干插条,连接法兰相对封盖的位置开凿设有若干一号插孔,本差速器的两半壳体之间通过将封盖的插条插入外壳的一号插孔中,再利用螺纹杆将梯形挤压块插入梯形限位槽中,利用插条的连接将螺纹杆设置在外壳的侧边,在拆卸差速器外壳时,扳手没有差速器输出端的限制,能够直接三百六十度转动,提高螺纹杆转动速度,提高差速器壳体的拆卸效率；本差速器外壳用于限位的梯形挤压块的斜面设有转动杆,通过转动杆的转动,能够在梯形挤压块插入梯形挤压槽时减小摩擦力,提高外壳拆卸安装的效率。(The invention discloses a new energy automobile differential case with a quick disassembly structure, which comprises a case and a seal cover, wherein one end of the case close to the seal cover is fixedly connected with a connecting flange, the outer ring of one side of the seal cover close to the case is fixedly connected with a plurality of inserting strips at equal intervals, the position of the connecting flange relative to the seal cover is provided with a plurality of first inserting holes, the two half cases of the differential case are inserted into the first inserting holes of the case through the inserting strips of the seal cover, then a trapezoidal extrusion block is inserted into a trapezoidal limiting groove through a threaded rod, the threaded rod is arranged on the side edge of the case through the connection of the inserting strips, when the differential case is disassembled, a wrench is not limited by the output end of the differential case, can directly rotate by three hundred and sixty degrees, the rotation speed of the threaded rod is improved, and the disassembly efficiency of the differential case is improved; the inclined plane that this differential mechanism shell is used for spacing trapezoidal extrusion piece is equipped with the dwang, through the rotation of dwang, can reduce frictional force when trapezoidal extrusion piece inserts trapezoidal extrusion groove, improves the efficiency that the installation was dismantled to the shell.)

1. The utility model provides a new energy automobile differential mechanism casing with dismantle structure fast, a serial communication port, including shell (1) and closing cap (2), one end fixedly connected with flange (4) that closing cap (2) are close to in shell (1), a plurality of cuttings (5) of one side outer ring equidistance fixedly connected with that closing cap (2) are close to shell (1), the position excavation of flange (4) relative closing cap (2) is equipped with a plurality of jacks (10).

2. The differential case with the quick-dismantling structure for the new energy automobile is characterized in that: one side that flange (4) are close to closing cap (2) is dug and is equipped with draw-in groove (12), the inside joint of draw-in groove (12) has sealing washer (13), closing cap (2) are close to one side of shell (1) and relative position fixedly connected with extrusion ring (3) of draw-in groove (12), extrusion ring (3) are to sealing washer (13) extrusion and insert the inside of draw-in groove (12).

3. The differential case with the quick-dismantling structure for the new energy automobile is characterized in that: cutting (5) are pegged graft with jack (10) No. one, the inside excavation of one end that closing cap (2) were kept away from in cutting (5) is equipped with hidden groove (7), the inside sliding connection who hides groove (7) has trapezoidal extrusion piece (8), the position excavation of the outer wall of shell (1) hidden groove (7) relatively is equipped with trapezoidal spacing groove (9), the inclined plane of trapezoidal spacing groove (9) and the inclined plane contact of trapezoidal extrusion piece (8).

4. The differential case with the quick-dismantling structure for the new energy automobile is characterized in that: the position of the middle part of a jack (10) relative to the threaded rod (6) is provided with a slot (11), and when the slip (5) is inserted into the jack (10), the part of the threaded rod (6) exposed out of the slip (5) can pass through the slot (11).

5. The differential case with the quick-dismantling structure for the new energy automobile is characterized in that: the position equidistance of shell (1) relative draw-in groove (12) is dug and is equipped with a plurality of flexible grooves (14), flexible groove (14) and draw-in groove (12) intercommunication, the inside sliding connection of flexible groove (14) has transmission frame (15), the top of transmission frame (15) and the bottom contact of sealing washer (13), the bottom fixedly connected with spring (19) of transmission frame (15), the bottom of spring (19) and the bottom fixed connection in flexible groove (14).

6. The differential case with the quick-dismantling structure for the new energy automobile is characterized in that: the outer wall of shell (1) is equipped with convex jack (16) relative to the inside position of transmission frame (15) excavation, the inside grafting of convex jack (16) has transmission inserted bar (17), transmission inserted bar (17) are located the inside one end lateral wall fixedly connected with of transmission frame (15) and dial board (18), rotate transmission inserted bar (17), dial board (18) and can be with transmission frame (15) jack-up.

7. The differential case with the quick-dismantling structure for the new energy automobile is characterized in that: the inclined plane equidistance of trapezoidal extrusion piece (8) is equipped with a plurality of dwang (81), dwang (81) are rotated with trapezoidal extrusion piece (8) and are connected, when trapezoidal extrusion piece (8) inserted trapezoidal spacing groove (9), the rotation through dwang (81) reduces the frictional force between the inclined plane of trapezoidal extrusion piece (8) and the inclined plane of trapezoidal spacing groove (9).

The technical field is as follows:

the invention belongs to the technical field of differential connection structures, and particularly relates to a new energy automobile differential shell with a quick disassembly structure.

Background art:

in the process of driving and steering of the automobile, the front and rear or left and right driving wheels have different rotating speeds, if the rotating speeds are not assimilated, the automobile cannot rotate at the same speed when the automobile runs in a curve, the normal running of the automobile is influenced, and in order to enable the curve running rotating speeds of the automobile to be basically consistent, an intermediate differential is required to be added to adjust the rotating speed difference of the front and rear wheels.

Among the prior art, differential mechanism inside has a plurality of gears, in order to make the life of these gears increase, avoid wearing and tearing, need add lubricating oil in the differential mechanism shell, therefore good sealing, it is fixed to need set up the multiunit bolt between two halves shell to connect, and differential mechanism's both ends have the output shaft, if directly utilize the mode of traditional bolt to connect, when dismantling, the spanner receives the restriction of output shaft easily, need relapse and bolted connection dismantlement, it is comparatively difficult when leading to differential mechanism to dismantle, the difficult degree of differential mechanism casing dismantlement has been increased.

The invention content is as follows:

the invention aims to solve the problems that output shafts are arranged at two ends of a differential mechanism, if the output shafts are directly connected by using a traditional bolt mode, a wrench is easily limited by the output shafts during disassembly, the wrench needs to be repeatedly connected with the bolt for disassembly, the differential mechanism is difficult to disassemble, and the difficulty degree of disassembling the differential mechanism shell is increased.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides a new energy automobile differential mechanism casing with dismantle structure fast, includes shell and closing cap, the shell is close to the one end fixedly connected with flange of closing cap, the closing cap is close to a plurality of cuttings of one side outer loop equidistance fixedly connected with of shell, the position excavation of the relative closing cap of flange is equipped with a plurality of jacks, and the bolt that accesss to with the differential mechanism output changes the orientation through the transmission of cuttings for do not receive spacingly, convenient dismantlement when dismantling shell and closing cap through the spanner.

As a preferred technical scheme of the invention, a clamping groove is dug on one side of the connecting flange close to the sealing cover, a sealing ring is clamped in the clamping groove, an extrusion ring is fixedly connected to one side of the sealing cover close to the shell and opposite to the clamping groove, and the extrusion ring extrudes the sealing ring and is inserted into the clamping groove, so that the sealing effect between the shell and the sealing cover is improved.

According to a preferable technical scheme, the cutting is inserted into the first jack, a hidden groove is formed in one end, away from the sealing cover, of the cutting, a trapezoidal extrusion block is connected to the interior of the hidden groove in a sliding mode, a trapezoidal limiting groove is formed in the position, opposite to the hidden groove, of the outer wall of the shell in a chiseled mode, the inclined surface of the trapezoidal limiting groove is in contact with the inclined surface of the trapezoidal extrusion block, and friction force between the inclined surface of the trapezoidal extrusion block and the inclined surface of the trapezoidal limiting groove is reduced through rotation of the rotating rod.

According to a preferable technical scheme of the invention, a slot is formed in the middle of the first jack and opposite to the position of the threaded rod, when the slip is inserted into the first jack, the part of the threaded rod, which is exposed out of the slip, can pass through the slot, and when the slip is prevented from being inserted into the first jack, the end face of the threaded rod is prevented from being blocked by the connecting flange, so that the part of the threaded rod, which is exposed out of the slip, can pass through the slot.

As a preferred technical scheme of the invention, the casing is provided with a plurality of telescopic grooves at equal intervals at positions opposite to the clamping grooves, the telescopic grooves are communicated with the clamping grooves, the inside of each telescopic groove is connected with a transmission frame in a sliding manner, the top of each transmission frame is in contact with the bottom of the corresponding sealing ring, the bottom of each transmission frame is fixedly connected with a spring, the bottom of each spring is fixedly connected with the bottom of each telescopic groove, and the transmission frames are pulled into the telescopic grooves through the springs, so that the transmission frames are prevented from repeatedly impacting in the telescopic grooves when the differential jolts along with the running of a vehicle.

According to a preferable technical scheme of the invention, the outer wall of the shell is provided with a convex jack corresponding to the inner part of the transmission frame, a transmission inserted rod is inserted into the convex jack, the side wall of one end of the transmission inserted rod, which is positioned in the transmission frame, is fixedly connected with a shifting plate, the transmission inserted rod is rotated, the shifting plate can jack up the transmission frame, and the sealing ring is tilted from the bottom, so that the old sealing ring is convenient to disassemble.

As a preferred technical scheme of the present invention, the inclined surface of the trapezoidal extrusion block is equidistantly provided with a plurality of rotating rods, the rotating rods are rotatably connected with the trapezoidal extrusion block, when the trapezoidal extrusion block is inserted into the trapezoidal limiting groove, the friction force between the inclined surface of the trapezoidal extrusion block and the inclined surface of the trapezoidal limiting groove is reduced by the rotation of the rotating rods, and the friction force between the inclined surface of the trapezoidal extrusion block and the inclined surface of the trapezoidal limiting groove is reduced by the rotation of the rotating rods.

The invention has the beneficial effects that: the cutting of the sealing cover is inserted into the first jack of the shell between the two half shells of the differential mechanism, the trapezoidal extrusion block is inserted into the trapezoidal limiting groove by using the threaded rod, the threaded rod is arranged on the side edge of the shell by using the connection of the cutting, and when the differential mechanism shell is disassembled, the wrench is not limited by the output end of the differential mechanism, so that the differential mechanism shell can be directly rotated by three hundred sixty degrees, the rotating speed of the threaded rod is improved, and the disassembling efficiency of the differential mechanism shell is improved; the inclined surface of the trapezoidal extrusion block for limiting of the differential housing is provided with the rotating rod, and through rotation of the rotating rod, friction force can be reduced when the trapezoidal extrusion block is inserted into the trapezoidal extrusion groove, so that the efficiency of dismounting and mounting the housing is improved; the sealing washer of shell is sealed by the extrusion of extrusion ring down by firmly the extrusion in the draw-in groove, and is very difficult when dismantling the change sealing washer, and through dialling the board with the transmission frame perk, with the sealing washer from the bottom perk, makes things convenient for differential mechanism's dismantlement.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic perspective exploded view of the present invention;

FIG. 2 is a sectional view of the housing of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

FIG. 4 is a schematic view of the connection structure of the cutting of the present invention;

FIG. 5 is a schematic view of a connection structure of the transmission frame according to the present invention;

fig. 6 is a schematic perspective view of the trapezoidal extrusion block of the present invention.

In the figure: 1. a housing; 2. sealing the cover; 3. an extrusion ring; 4. a connecting flange; 5. cutting; 6. a threaded rod; 7. hiding the groove; 8. a trapezoidal extrusion block; 81. rotating the rod; 9. a trapezoidal limiting groove; 10. a first jack; 11. a slot; 12. a card slot; 13. a seal ring; 14. a telescopic groove; 15. a transmission frame; 16. a male receptacle; 17. a transmission inserted link; 18. dialing a plate; 19. a spring.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment: the utility model provides a new energy automobile differential mechanism casing with dismantle structure fast, includes shell 1 and closing cap 2, shell 1 is close to one end fixedly connected with flange 4 of closing cap 2, closing cap 2 is close to a plurality of cuttings 5 of one side outer loop equidistance fixedly connected with of shell 1, the position excavation of the relative closing cap 2 of flange 4 is equipped with a plurality of jacks 10, changes the orientation through the transmission of cuttings 5 with the bolt that differential mechanism output accesss to for do not receive spacingly when dismantling shell 1 and closing cap 2 through the spanner, convenient dismantlement.

In order to improve the sealed effect between the flange 4 of closing cap 2 and shell 1, one side that flange 4 is close to closing cap 2 is dug and is equipped with draw-in groove 12, the inside joint of draw-in groove 12 has sealing washer 13, closing cap 2 is close to one side of shell 1 and relative draw-in groove 12's position fixedly connected with extrusion ring 3, extrusion ring 3 extrudees sealing washer 13 and inserts the inside of draw-in groove 12, extrudees sealing washer 13 into draw-in groove 12 through extrusion ring 3, improves the sealed effect between shell 1 and the closing cap 2.

Frictional force when being connected between for reducing shell 1 and closing cap 2, cutting 5 pegs graft with jack 10 No. one, cutting 5 keeps away from the inside excavation of one end of closing cap 2 and is equipped with hidden groove 7, the inside sliding connection who hides groove 7 has trapezoidal extrusion piece 8, the position excavation that the groove 7 was hidden relatively to the outer wall of shell 1 is equipped with trapezoidal spacing groove 9, the inclined plane of trapezoidal spacing groove 9 and the inclined plane contact of trapezoidal extrusion piece 8, the inclined plane equidistance of trapezoidal extrusion piece 8 is equipped with a plurality of dwangs 81, dwang 81 rotates with trapezoidal extrusion piece 8 to be connected, when trapezoidal extrusion piece 8 inserts trapezoidal spacing inslot 9, reduce the frictional force between the inclined plane of trapezoidal extrusion piece 8 and the inclined plane of trapezoidal spacing groove 9 through the rotation of dwang 81.

In order to prevent the end face of the threaded rod 6 from being blocked by the connecting flange 4 when the slip 5 is inserted into the first insertion hole 10, a slot 11 is cut in the middle of the first insertion hole 10 relative to the threaded rod 6, and when the slip 5 is inserted into the first insertion hole 10, the part of the threaded rod 6 exposed out of the slip 5 can pass through the slot 11.

In order to prevent the transmission frame 15 from shaking back and forth in the telescopic groove 14 when the shifting plate 18 is not limited, a plurality of telescopic grooves 14 are equidistantly cut in the position, opposite to the clamping groove 12, of the shell 1, the telescopic grooves 14 are communicated with the clamping groove 12, the transmission frame 15 is slidably connected to the inside of the telescopic grooves 14, the top of the transmission frame 15 is in contact with the bottom of the sealing ring 13, the spring 19 is fixedly connected to the bottom of the transmission frame 15, the bottom of the spring 19 is fixedly connected with the bottom of the telescopic groove 14, the transmission frame 15 is pulled into the telescopic groove 14 through the spring 19, and when the differential mechanism jolts along with the running of a vehicle, the transmission frame 15 repeatedly collides in the telescopic groove 14.

In order to conveniently detach the sealing ring 13 from the clamping groove 12, a convex insertion hole 16 is formed in the outer wall of the shell 1 in a position corresponding to the inside of the transmission frame 15, a transmission insertion rod 17 is inserted into the convex insertion hole 16, the transmission insertion rod 17 is fixedly connected with a shifting plate 18 on the side wall of one end, located inside the transmission frame 15, of the transmission insertion rod 17, the transmission frame 15 can be jacked up by the shifting plate 18 through rotation of the transmission insertion rod 17, and the old sealing ring 13 is conveniently detached by tilting the sealing ring 13 from the bottom.

Specifically, the method comprises the following steps: when the differential mechanism is disassembled, the threaded rod 6 is rotated by a wrench, the trapezoidal extrusion block 8 is moved out of the trapezoidal limiting groove 9 along with the rotation of the threaded rod 6, when the trapezoidal extrusion block 8 is moved out, the inclined plane of the trapezoidal extrusion block 8 reduces the friction force between the inclined plane of the trapezoidal limiting groove 9 and the inclined plane of the trapezoidal limiting groove 9 through the rotation of the rotating rod 81, the limiting of the trapezoidal extrusion block 8 is lost, the cutting 5 can be taken down from the first jack 10, the disassembly between the sealing cover 2 and the shell 1 is completed, during the disassembly, the limiting bolt between the sealing cover 2 and the connecting flange 4 is positioned on the side surface of the shell 1 to replace the traditional longitudinal limiting of the bolt, the limiting of the output end of the differential mechanism without the wrench can be rotated by three hundred and sixty degrees during the disassembly, the disassembly efficiency is improved, after the shell 1 is taken down, the transmission inserted rod 17 and the shifting plate 18 are inserted into the convex jack 16, the transmission inserted rod 17 is rotated, the transmission frame 15 is jacked up through the rotation of the shifting plate 18, the sealing ring 13 is jacked up from the bottom through the transmission frame 15, so that the sealing ring 13 is convenient to disassemble, and the disassembling efficiency of the differential shell is improved.

When the differential housing 1 is installed, the transmission inserted rod 17 is loosened and taken down, the transmission frame 15 without limit is drawn by the spring 19 to be taken into the telescopic groove 14, the new sealing ring 13 is placed into the clamping groove 12, the cutting strip 5 of the sealing cover 2 is inserted into the first jack 10, when the cutting strip 5 is inserted into the first jack 10, the threaded rod 6 passes through the connecting flange 4 through the slot 11, the sealing ring 13 is extruded into the clamping groove 12 by the extrusion ring 3 of the sealing cover 2, the sealing effect of the sealing ring 13 is improved through the extrusion of the extrusion ring 3, after the sealing cover 2 is contacted with the connecting flange 4, the hidden groove 7 is opposite to the trapezoidal limit groove 9, the threaded rod 6 is rotated, along with the rotation of the threaded rod 6, the trapezoidal extrusion block 8 is inserted into the trapezoidal limit groove 9, the inclined plane of the trapezoidal extrusion block 8 is more tightly accumulated with the inclined plane of the trapezoidal limit groove 9, the sealing cover 2 is more tightly connected with the connecting flange 4, and the trapezoidal extrusion block 8 is put into and taken out of the trapezoidal limit groove 9, the inclined surface reduces the friction force by the rotation of the rotating lever 81, reducing the difficulty of screwing the threaded rod 6.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.