CN214221955U

CN214221955U - Electric motor car gearbox convenient to later stage maintenance

Info

Publication number: CN214221955U
Application number: CN202023272204.0U
Authority: CN
Inventors: 罗刚; 周飞
Original assignee: Chongqing Nanbian Electromechanical Co ltd
Current assignee: Chongqing Nanbian Electromechanical Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-17
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of gearboxes, in particular to an electric vehicle gearbox convenient for later maintenance, which comprises a gearbox shell, wherein a second supporting rod is fixedly connected to the lower surface of a second fixing rod, and a second handle is fixedly connected to the lower surface of the second supporting rod, when a first handle and a second handle are pressed and moved towards the inside of a fixing hole, a first spring plays a supporting role, a movable plate and a buckle are driven to be embedded into a corresponding clamping groove, the first fixing rod and the second fixing rod are fixed, a mandril is driven to move into a second groove at the same time, then the second spring plays a supporting role, the movable rod is driven to rotate by taking the fixing column as the center, the second fixing blocks with two sides of the movable rod stretching into the second groove are fixed, when the first fixing rod and the second fixing rod are fixed, the buckle can be disassembled if the first handle and the second handle are pulled open due to damage, the gearbox shell is convenient to disassemble and maintain.

Description

Electric motor car gearbox convenient to later stage maintenance

Technical Field

The utility model relates to a gearbox technical field particularly, relates to an electric motor car gearbox convenient to later stage maintenance.

Background

A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission speed change mechanism generally uses a sliding gear, a synchronizer and the like, when the gearbox is damaged, the mounting and the fixing are carried out through screws and the like, so that the disassembly is very troublesome, the working efficiency is reduced, and the working process is delayed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an electric motor car gearbox convenient to later stage maintenance can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric motor car gearbox convenient to later stage maintenance, includes the gearbox shell, the gearbox shell comprises two half shells, gearbox shell edge is provided with a plurality of evenly distributed's fixed orifices, the inside movable mounting in fixed orifices upper end of gearbox shell has first dead lever, the inside movable mounting of fixed orifices lower extreme of gearbox shell has the second dead lever, fixed surface is connected with first bracing piece on the first dead lever, fixed surface is connected with the first in command on the first bracing piece, fixed surface is connected with the second bracing piece under the second dead lever, fixed surface is connected with the second in command under the second bracing piece.

Preferably, the first supporting rod movably penetrates through the first fixing rod and is fixedly connected to the left side of a third fixing rod, and the third fixing rod is arranged inside the first fixing rod.

Preferably, the second support rod movably penetrates through the second fixing rod and is fixedly connected to the right side of the fourth fixing rod, and the fourth fixing rod is arranged inside the second fixing rod.

Preferably, an ejector rod is fixedly connected to the inner side of the fourth fixing rod, second grooves are formed in two sides of the ejector rod, fixing columns are fixedly connected between the upper surface and the lower surface of each second groove, movable rods are movably sleeved on the fixing columns, and second springs are fixedly connected between the movable rods and the surfaces of the second grooves.

Preferably, a first groove is formed in the right side of the third fixing rod and is connected with the ejector rod in a matched mode, and a second fixing block is fixedly connected into the first groove.

Preferably, the surfaces of the two sides of the first fixing rod and the second fixing rod are provided with grooves, a first fixing block fixedly connected in the grooves is movably mounted on the movable plate, a first spring is fixedly connected between each groove and the corresponding movable plate, a buckle is fixedly connected to the upper surface of the corresponding movable plate and is connected with a clamping groove in a matched mode, and each clamping groove is correspondingly arranged on the inner side of the fixing hole of the gearbox shell in a buckled mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

when removing through pressing the first in command and the second in command to the fixed orifices is inside, make first spring play the effect of support, drive in the draw-in groove that fly leaf and buckle embedding correspond, fix first dead lever and second dead lever, drive the ejector pin simultaneously and remove to the second recess, play the effect of support through the second spring afterwards, it is rotatory as the center to drive the movable rod, make the both sides movable rod open the second fixed block in the second recess fixed, when fixed to first dead lever and second dead lever, if take place to damage and pull open the first in command and the second in command just can unpack the buckle apart, convenient to detach maintains in to the gearbox housing.

Drawings

FIG. 1 is a schematic view of the overall structure of an electric vehicle transmission case convenient for later maintenance;

FIG. 2 is a schematic view of the overall structure of the electric vehicle transmission case convenient for later maintenance;

FIG. 3 is a schematic view of a partial structure of a transmission case of an electric vehicle convenient for later maintenance;

FIG. 4 is a schematic side view of a fixing block of the electric vehicle transmission case convenient for later maintenance according to the present invention;

fig. 5 is an enlarged schematic structural view of a position a in fig. 4 of the electric vehicle transmission convenient for later maintenance according to the present invention;

fig. 6 is the utility model relates to an enlarged structure schematic diagram of b department in fig. 4 of electric motor car gearbox convenient to later stage maintenance.

In the figure: 1. a gearbox housing; 2. a fixing hole; 3. a first handle; 4. a first support bar; 5. a first fixing lever; 6. a second fixing bar; 7. a second support bar; 8. a second handle; 9. a third fixing bar; 10. a fourth fixing bar; 11. a card slot; 12. buckling; 13. a first fixed block; 14. a movable plate; 15. a first spring; 16. a second fixed block; 17. a first groove; 18. a top rod; 19. a movable rod; 20. a second groove; 21. fixing a column; 22. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-6, an electric motor car gearbox convenient to later stage maintenance, including gearbox housing 1, gearbox housing 1 comprises two half shells, 1 edge of gearbox housing is provided with a plurality of evenly distributed's fixed orifices 2, the inside movable mounting in 2 upper ends of fixed orifices of gearbox housing 1 has first dead lever 5, the inside movable mounting in 2 lower extremes of fixed orifices of gearbox housing 1 has second dead lever 6, fixed surface is connected with first bracing piece 4 on first dead lever 5, fixed surface is connected with the first in command 3 on the first bracing piece 4, fixed surface is connected with second bracing piece 7 under the second dead lever 6, fixed surface is connected with second in command 8 under second bracing piece 7.

Through the technical scheme, be provided with two through gearbox housing 1, the inside structure of gearbox housing 1 is lived to the parcel that can be firm, fixes two gearbox housing 1 through fixed orifices 2 afterwards, has improved the security of this gearbox, and easy to assemble and dismantlement are convenient for maintain gearbox housing 1 inside.

In this embodiment, the first supporting rod 4 movably penetrates the first fixing rod 5 and is fixedly connected to the left side of the third fixing rod 9, the third fixing rod 9 is disposed inside the first fixing rod 5, the second supporting rod 7 movably penetrates the second fixing rod 6 and is fixedly connected to the right side of the fourth fixing rod 10, the fourth fixing rod 10 is disposed inside the second fixing rod 6, the third fixing rod 9 and the fourth fixing rod 10 can be driven and fixed to be pushed in the first fixing block 13 by pressing the first handle 3 and the second handle 8, and then the two transmission cases 1 are fixed.

In this embodiment, the inboard fixedly connected with ejector pin 18 of fourth dead lever 10, ejector pin 18 both sides are provided with second recess 20, fixedly connected with fixed column 21 between the upper and lower surface of second recess 20, fixed column 21 activity cover is equipped with movable rod 19, fixedly connected with second spring 22 between movable rod 19 and the second recess 20 surface, third dead lever 9 right side is provided with first recess 17, first recess 17 is connected with ejector pin 18 cooperation, fixedly connected with second fixed block 16 in first recess 17, when pressing first handle 3 and second handle 8 to fixed orifices 2 inside and moving, drive ejector pin 18 and remove to second recess 20, play the effect of support through second spring 22 afterwards, it uses fixed column 21 to rotate as the center to drive movable rod 19, make both sides movable rod 19 open the second fixed block 16 in second recess 20 fixed.

In this embodiment, the surfaces of both sides of the first fixing rod 5 and the second fixing rod 6 are provided with grooves, the first fixing block 13 fixedly connected in the grooves is movably provided with a movable plate 14, the first spring 15 fixedly connected between each groove and the movable plate 14, the buckle 12 fixedly connected to the upper surface of each movable plate 14 is connected with the buckle 12, each buckle 12 is connected with the corresponding buckle slot 11, each buckle slot 11 corresponds to the buckle 12 and is arranged inside the fixing hole 2 of the transmission housing 1, when the first handle 3 and the second handle 8 are pressed towards the inside of the fixing hole 2 to move, the first spring 15 plays a supporting role, the movable plate 14 and the buckle 12 are driven to be embedded into the corresponding buckle slot 11, and the first fixing rod 5 and the second fixing rod 6 are fixed.

This electric motor car gearbox's theory of operation convenient to later stage maintenance:

when the fixing device is used, firstly, the first handle 3 and the second handle 8 are held to drive the first fixing rod 5 and the second fixing rod 6 to be inserted into the first fixing block 13 of the gearbox shell 1, then, when the first handle 3 and the second handle 8 are pressed towards the inside of the fixing hole 2 to move, the first spring 15 plays a role of supporting, the movable plate 14 and the buckle 12 are driven to be embedded into the corresponding clamping groove 11, the first fixing rod 5 and the second fixing rod 6 are fixed, the ejector rod 18 is driven to move into the second groove 20, then, the second spring 22 plays a role of supporting, the movable rod 19 is driven to rotate by taking the fixed column 21 as the center, the movable rods 19 at two sides are opened into the second fixing block 16 in the second groove 20 to be fixed, when the first fixing rod 5 and the second fixing rod 6 are fixed, the buckle can be disassembled if the first handle 3 and the second handle 8 are pulled open due to damage, the gearbox housing 1 is convenient to disassemble and maintain.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electric motor car gearbox convenient to later stage maintenance, includes gearbox shell (1), its characterized in that: gearbox shell (1) comprises two half shells, gearbox shell (1) edge is provided with fixed orifices (2) that have a plurality of evenly distributed, the inside movable mounting in fixed orifices (2) upper end of gearbox shell (1) has first dead lever (5), the inside movable mounting in fixed orifices (2) lower extreme of gearbox shell (1) has second dead lever (6), fixed surface is connected with first bracing piece (4) on first dead lever (5), fixed surface is connected with the first in command (3) on first bracing piece (4), fixed surface is connected with second bracing piece (7) under second dead lever (6), fixed surface is connected with second in command (8) under second bracing piece (7).

2. The electric vehicle gearbox convenient for later maintenance of claim 1, wherein: the first supporting rod (4) movably penetrates through the first fixing rod (5) and is fixedly connected to the left side of the third fixing rod (9), and the third fixing rod (9) is arranged inside the first fixing rod (5).

3. The electric vehicle gearbox convenient for later maintenance of claim 1, wherein: the second supporting rod (7) movably penetrates through the second fixing rod (6) and is fixedly connected to the right side of the fourth fixing rod (10), and the fourth fixing rod (10) is arranged inside the second fixing rod (6).

4. The electric vehicle gearbox convenient for later maintenance of claim 3, wherein: the novel fixing device is characterized in that an ejector rod (18) is fixedly connected to the inner side of the fourth fixing rod (10), second grooves (20) are formed in two sides of the ejector rod (18), fixing columns (21) are fixedly connected between the upper surface and the lower surface of each second groove (20), movable rods (19) are movably sleeved on the fixing columns (21), and second springs (22) are fixedly connected between the surfaces of the movable rods (19) and the surfaces of the second grooves (20).

5. The electric vehicle gearbox convenient for later maintenance of claim 2, wherein: the right side of the third fixing rod (9) is provided with a first groove (17), the first groove (17) is connected with the ejector rod (18) in a matched mode, and a second fixing block (16) is fixedly connected in the first groove (17).

6. The electric vehicle gearbox convenient for later maintenance of claim 1, wherein: first dead lever (5) and second dead lever (6) both sides surface are provided with the recess, and there are fly leaf (14), every fixedly connected with first fixed block (13) and movable mounting in the recess between recess and the fly leaf (14) first spring of fixedly connected with (15), every fly leaf (14) upper surface fixedly connected with buckle (12), every buckle (12) are connected with draw-in groove (11) cooperation, every draw-in groove (11) correspond buckle (12) and set up in fixed orifices (2) of gearbox housing (1) inboardly.