CN213521609U

CN213521609U - Motor cover dismounting tool for electric vehicle

Info

Publication number: CN213521609U
Application number: CN202022979124.2U
Authority: CN
Inventors: 姚学军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-06-22
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a maintenance frock technical field provides an electric motor car motor cover extracting tool, including sleeve and screw rod, the screw rod pass through the screw hole with muffjoint, the sleeve includes barrel and bobbin chamber, the screw hole sets up on the barrel and with the coaxial intercommunication in bobbin chamber, be provided with external screw thread portion on the outer wall of barrel and cross the line hole, cross the line hole with bobbin chamber intercommunication, external screw thread portion sets up the one end of barrel is a whole with telescopic screw thread portion and motor end cover swivelling joint, then with screw rod precession threaded hole, when the bottom end face contact of screw rod reaches the motor shaft, the barrel is held, continues rotatory screw rod, because the screw rod can't continue to move down, so the sleeve drives motor end cover and moves up along the relative screw rod of screw rod, makes the steady motor end cover break away from the motor main part, has solved among the prior art and has strikeed or extruded motor end cover atress the deformation with bobby or crow rod to the motor end cover And (5) problems are solved.

Description

Motor cover dismounting tool for electric vehicle

Technical Field

The utility model relates to a maintenance frock technical field especially relates to an electric motor car motor cover extracting tool.

Background

The driving motor of the electric vehicle generally requires frequent starting/stopping, acceleration/deceleration, high torque at low speed or on a hill, low torque at high speed, and a wide range of speed change. Before the motor is disassembled, the leads of the motor and the controller are firstly pulled out, the one-to-one correspondence relationship between the colors of the leads of the motor and the colors of the leads of the controller is recorded, an operation field is firstly cleaned before an end cover of the motor is opened so as to prevent impurities from being absorbed on magnetic steel in the motor, and the relative positions of the end cover and the hub are marked. However, since there is no special tool for detaching motor end covers of different specifications and sizes in the current market, in actual operation, the motor end covers are usually detached by means of a small hammer or a crowbar. By adopting the mode, the motor end cover is deformed due to uneven stress to a great extent, the chamber sweeping phenomenon can occur during secondary installation, the maintenance is needed again, and the human resources are wasted.

Therefore, at present, technicians in the field need to design a motor cover dismounting tool for an electric vehicle, so that a motor end cover of the electric vehicle can be dismounted stably, and the deformation of the motor end cover can be avoided.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric motor car motor cover extracting tool has solved the problem that motor end cover atress warp during dismouting motor end cover among the prior art.

The technical scheme of the utility model as follows:

the utility model provides an electric motor car motor lid extracting tool, includes sleeve and screw rod, the screw rod pass through the screw hole with muffjoint, the sleeve includes barrel and bobbin cavity, the screw hole sets up on the barrel and with the coaxial intercommunication in bobbin cavity, be provided with external screw thread portion on the outer wall of barrel and cross the line hole, cross the line hole with bobbin cavity intercommunication, external screw thread portion sets up the one end of barrel.

The thread passing hole is formed between the outer thread part and the threaded hole, and the length of the screw rod is greater than the height of the barrel cavity.

Be provided with on the outer wall of barrel by the clamping part, by the clamping part including the symmetry set up first by clamping face and second by clamping face on the sleeve outer wall, it is used for the spanner to carry out the centre gripping by the clamping part to the sleeve.

The barrel is provided with a notch, and the notch is communicated with the wire passing hole and the threaded hole.

The diameter of the barrel cavity is larger than that of the threaded hole.

The top of the screw rod is provided with a nut, and the nut and the screw rod are fixedly arranged into a whole.

Still including placing the piece, it is provided with on the piece to place with the internal thread hole that external screw thread portion matches.

The utility model discloses a theory of operation and beneficial effect do:

the utility model relates to a motor cover dismounting tool for an electric vehicle, which comprises a sleeve and a screw rod, wherein the screw rod is connected with the sleeve through a threaded hole, the sleeve comprises a cylinder body and a cylinder cavity, the threaded hole is arranged on the cylinder body and is coaxially communicated with the cylinder cavity, an external thread part and a wire passing hole are arranged on the outer wall of the cylinder body, the wire passing hole is communicated with the cylinder cavity, the external thread part is arranged at one end of the cylinder body, a lead wire of a motor of the electric vehicle passes through the wire passing hole, the lead wire is prevented from being accumulated in the sleeve and extruded and damaged, the lead wire is prevented from influencing the subsequent operation, a thread part of the sleeve and a motor end cover are rotationally connected into a whole, then the screw rod is screwed into the thread hole, when the bottom end surface of the screw rod is contacted with a motor rotating shaft, the cylinder body is clamped, the screw rod is prevented from driving the sleeve, therefore, the sleeve drives the motor end cover to move upwards along the screw rod relative to the screw rod, so that the motor end cover is stably separated from the motor main body, and the problem that the motor end cover is stressed and deformed by knocking or extruding the motor end cover by a small hammer or a crowbar in the prior art is solved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic view of the sleeve structure of the present invention;

FIG. 3 is a cross-sectional view of the sleeve structure of the present invention;

FIG. 4 is a schematic view of the structure of the present invention in a non-operating state;

in the figure: 1. the device comprises a sleeve, 2, a screw rod, 3, a threaded hole, 4, a barrel body, 5, a barrel cavity, 6, an external threaded part, 7, a wire passing hole, 8, a clamped part, 9, a notch, 10, a nut, 11 and a placing block.

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. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1 to 3, an electric vehicle motor cover dismounting tool comprises a sleeve 1 and a screw rod 2, wherein the screw rod 2 is connected with the sleeve 1 through a threaded hole 3, the sleeve 1 comprises a barrel 4 and a barrel cavity 5, the threaded hole 3 is arranged on the barrel 4 and is coaxially communicated with the barrel cavity 5, an external thread part 6 and a wire passing hole 7 are arranged on the outer wall of the barrel 4, the wire passing hole 7 is communicated with the barrel cavity 5, and the external thread part 6 is arranged at one end of the barrel 4.

In the embodiment, firstly, a lead wire of a motor passes through a cylinder cavity 5 and a threaded hole 3, the diameter of the cylinder cavity 5 is larger than or equal to that of a motor rotating shaft of an electric vehicle, an external threaded part 6 is in threaded connection with a motor end cover, a sleeve 1 and the motor end cover are connected into a whole, the threaded hole 3 is coaxially communicated with the cylinder cavity 5, the lead wire of the motor is prevented from being twisted in the process of screwing the sleeve 1 and the motor end cover, the lead wire is prevented from being damaged to influence subsequent use, then the lead wire is led out from a wire passing hole 7, a screw rod 2 is screwed into the sleeve 1, when the bottom end face of the screw rod 2 is contacted with the motor rotating shaft, the sleeve 1 is clamped, the screw rod 2 is continuously rotated, and the screw rod 2 cannot continuously move downwards, so the sleeve 1 drives the motor end cover to relatively move upwards along the screw rod 2, the motor end cover is stably separated from a motor main body, the process of driving the motor end cover to rotate and move upwards is avoided, the motor end cover collides with other parts, and the sleeve 1 and the screw rod 2 are simple in structure, convenient to manufacture and beneficial to popularization and use.

As shown in fig. 1 to 4, the thread through hole 7 is provided between the external thread portion 6 and the threaded hole 3, and the length of the screw 2 is greater than the height of the barrel cavity 5.

In this embodiment, the height of screw rod 2 is greater than the height of section of thick bamboo chamber 5, has guaranteed that screw rod 2 compresses tightly the pivot, and sleeve 1 has the space that drives the motor end cover and shift up relatively.

As shown in fig. 1 to 4, the outer wall of the cylindrical body 4 is provided with a clamped portion 8, the clamped portion 8 includes a first clamped surface and a second clamped surface which are symmetrically provided on the outer wall of the sleeve 1, and the clamped portion 8 is used for clamping the sleeve 1 with a wrench.

In this embodiment, by two clamping surfaces of clamping part 8 for setting up the plane on barrel 4 outer wall, it is firm to make things convenient for use tools to carry out the centre gripping to sleeve 1.

As shown in fig. 1 to 3, the cylindrical body 4 is provided with a notch 9, and the notch 9 is communicated with the thread passing hole 7 and the threaded hole 3.

In this embodiment, breach 9 makes the lead wire can directly deflect into wire hole 7 from screw hole 3, has practiced thrift operating time, has promoted the efficiency of disassembling of motor end cover.

As shown in fig. 1 to 4, the diameter of the cylinder chamber 5 is larger than the diameter of the threaded hole 3.

In this embodiment, the diameter that the diameter of section of thick bamboo chamber 5 is greater than screw hole 3 is greater than the diameter of screw rod 2 promptly for there is the space between barrel 4 and the screw rod 2, and the lead wire of being convenient for passes through, avoids the lead wire to receive the extrusion of screw rod 2 and damages.

As shown in FIG. 1, a nut 10 is disposed on the top of the screw 2, and the nut 10 is fixed to the screw 2.

In this embodiment, the nut 10 may be configured as an inner hexagonal nut, an outer hexagonal nut, a cross nut, a straight nut, or the like, as needed, so that the screw 2 is conveniently screwed.

As shown in fig. 4, the device further comprises a placing block 11, and the placing block 11 is provided with an internal thread hole matched with the external thread part 6.

In this embodiment, when sleeve 1 and screw rod 2 do not work, with screw rod 2 precession in sleeve 1, then sleeve 1 precession places piece 11, avoids sleeve 1 or screw rod 2 to damage or lose.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric motor car motor lid extracting tool, its characterized in that, includes sleeve (1) and screw rod (2), screw rod (2) through screw hole (3) with sleeve (1) is connected, sleeve (1) includes barrel (4) and bobbin chamber (5), screw hole (3) set up on barrel (4) and with bobbin chamber (5) coaxial intercommunication, be provided with external screw thread portion (6) on the outer wall of barrel (4) and cross line hole (7), cross line hole (7) with bobbin chamber (5) intercommunication, external screw thread portion (6) set up the one end of barrel (4).

2. The motor cover dismounting tool of the electric vehicle as claimed in claim 1, wherein the wire through hole (7) is arranged between the external thread part (6) and the threaded hole (3), and the length of the screw rod (2) is greater than the height of the barrel cavity (5).

3. The electric vehicle motor cover disassembling tool according to claim 1, characterized in that a clamped portion (8) is arranged on an outer wall of the cylinder (4), the clamped portion (8) comprises a first clamped surface and a second clamped surface which are symmetrically arranged on the outer wall of the sleeve (1), and the clamped portion (8) is used for clamping the sleeve (1) by a wrench.

4. The electric vehicle motor cover disassembling tool according to claim 2, characterized in that a notch (9) is provided on the cylinder (4), and the notch (9) is communicated with the wire passing hole (7) and the threaded hole (3).

5. The motor cover removing tool for the electric vehicle as claimed in claim 1, wherein the diameter of the barrel cavity (5) is larger than the diameter of the threaded hole (3).

6. The motor cover disassembling tool for the electric vehicle as claimed in claim 1, wherein a nut (10) is disposed on the top of the screw (2), and the nut (10) and the screw (2) are fixedly disposed as a whole.

7. The electric motor car motor cover extracting tool of claim 4, characterized by further comprising a placing block (11), wherein the placing block (11) is provided with an internal threaded hole matched with the external threaded part (6).