CN209930074U

CN209930074U - Sealing structure of motor lead outlet

Info

Publication number: CN209930074U
Application number: CN201921207992.XU
Authority: CN
Inventors: 阮送良
Original assignee: Taizhou City Transit Electric Drive Technology Co Ltd
Current assignee: Taizhou City Transit Electric Drive Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-01-10
Anticipated expiration: 2029-07-29

Abstract

The utility model provides a seal structure of motor lead wire export belongs to electric motor car technical field. The motor lead wire outlet sealing device solves the problems that an existing motor lead wire outlet is sealed by a sealing washer, the installation difficulty is high, and the sealing performance is reduced. This seal structure of motor lead wire export, including the lead wire sheath, the lead wire sheath is including left sheath and the right sheath that can lock each other, the motor includes the shell, the bayonet socket has been seted up to the one end of shell, left sheath includes left backplate, the left bottom plate two of being connected with the up end of left backplate and being connected with the lower terminal surface of left backplate, left backplate embedding bayonet socket and the up end of left bottom plate one's lower terminal surface and left bottom plate two all laminate mutually with the shell, all have a plurality of wire grooves of crossing on left bottom plate one and the left bottom plate two. The sealing structure of the motor lead outlet improves the sealing performance of the sealing structure and simultaneously improves the assembly efficiency of the sealing structure.

Description

Sealing structure of motor lead outlet

Technical Field

The utility model belongs to the technical field of the electric motor car, a seal structure of motor lead wire export is related to.

Background

With the continuous development of science and technology, people are more and more energy-saving and environment-friendly when going out, so that most of fuel motorcycles are replaced by electric vehicles. Because the motor is inside to need waterproof dirt-proof, and the lead wire on the motor needs to be connected with the battery, need seal it at the motor lead wire export, has avoided other debris to enter into the motor inside, influences the use of motor, if: inside water entered the motor, can cause the inside short circuit of motor to damage the motor, make the motor can not continue to use.

The existing motor lead outlet sealing structure adopts the design of a sealing washer, but the mould needs to be opened again when the sealing washer is manufactured, so that the production process of the sealing structure is complex and the cost is high. Seal ring is ageing in the long-time use of seal ring after the installation to appear loosening between seal ring and the lead wire, influenced seal ring's sealed effect, and in the use, the motor can produce the vibration, and the sealed effect that leads to the export of motor lead wire is not good. Because seal ring is less, and the gear of lead wire is less to make seal ring's the installation degree of difficulty higher, higher to installer's requirement, further improvement seal structure's cost, when seal ring installation is not good, also can influence seal ring's use simultaneously, thereby make and get into debris in the motor, damage the motor, influence the life of motor.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a seal structure of motor lead wire export, the utility model aims to solve the technical problem that: how to improve the sealing performance of the sealing structure and improve the assembly efficiency of the sealing structure at the same time.

The purpose of the utility model can be realized by the following technical proposal:

a sealing structure of a motor lead outlet comprises a lead sheath, wherein the lead sheath comprises a left sheath and a right sheath which can be mutually buckled, and a motor comprises a shell; the right side sheath includes right backplate, the right bottom plate one of being connected with the up end of right backplate and the right bottom plate two of being connected with the lower terminal surface of right backplate, in right backplate embedding left backplate, and left bottom plate one is connected with right bottom plate joint, and left bottom plate two is connected with the equal joint of right bottom plate, all have on right bottom plate one and the right bottom plate two with cross the sealed tooth of wire casing one-to-one, sealed tooth inserts to crossing the wire casing and forms the line hole of crossing that supplies the lead wire to wear to establish.

The working principle is as follows: a bayonet is formed in one end of a shell of the motor, a left sheath and a right sheath are buckled with each other, a left guard plate on the left sheath is embedded into the bayonet, the lower end face of a left base plate I of the left sheath and the upper end face of a left base plate II of the left sheath are attached to the shell, the left sheath is quickly installed in a mode of being clamped with the shell, the left sheath is vertically positioned on the shell through the left base plate I and the left base plate II in the installation process, and the left guard plate is clamped and limited to the left sheath; the right backplate on the sheath of the right side is embedded into the left backplate, a left bottom plate and a right bottom plate joint this moment, a left bottom plate two and a right bottom plate two joints, consequently, the right sheath only need with the right backplate embedding left backplate in, and with left sheath joint can, through upper and lower spacing mode, the sealing tooth embedding on the right bottom plate one goes up corresponding crossing the wire casing on the left bottom plate one, the sealing tooth embedding on the right bottom plate two goes up corresponding crossing the wire casing on the left bottom plate two in, sealing tooth inserts to crossing the wire casing and can form the line hole of crossing that supplies the lead wire to wear to establish this moment, the mechanical seal to the lead wire has been realized, and sealing tooth and the setting of crossing the wire casing, the sealing performance of lead wire sheath to the lead wire has been improved, simultaneously also can simplify seal structure's installation, the packaging efficiency of.

In the sealing structure of the motor lead outlet, an annular groove is formed in the outer side surface of the left guard plate, and the annular groove is formed along the outer contour of the bayonet.

The sealing ring is arranged in the annular groove, the sealing effect between the left protective plate and the shell is enhanced by the arrangement of the sealing ring, the sealing ring has the pressure for pressing the left sheath to the right sheath, so that the connection between the left sheath and the right sheath is more tight, the annular groove enables the sealing ring to be more convenient to install, and the installation efficiency of the sealing structure is improved.

In the sealing structure of the motor lead outlet, the motor further comprises an end cover which is fixed at one end of the shell and tightly presses and positions the left sheath and the right sheath.

The arrangement of the end cover enables pressure to be applied to the left sheath and the right sheath towards the shell, so that the left sheath and the right sheath are connected more tightly, and the sealing performance of the sealing structure is further improved.

In the above sealing structure for the motor lead outlet, the motor further includes a protective cover, the protective cover is fixed on the housing and covers the left sheath and the right sheath, and one end of the protective cover is provided with an opening for the lead to pass through.

The setting of protection casing can carry out further sealed to the lead wire that passes through seal structure, has improved the sealed effect to the lead wire.

In the sealing structure of the motor lead outlet, a glue injection cavity is formed between the left sheath and the right sheath, and a glue injection through hole communicated with the glue injection cavity is formed in the upper part of the left sheath or the upper part of the right sheath.

The glue injection through hole is formed in the left sheath or the right sheath, and after the left sheath and the right sheath are clamped, sealant can be injected into the glue injection cavity through the glue injection through hole, so that the lead is further sealed, and the sealing effect of the sealing structure is improved.

Compared with the prior art, this seal structure of motor lead wire export has the advantage: through being provided with left bottom plate one and left bottom plate two and right bottom plate one and right bottom plate two, the quick installation of lead wire sheath has been realized, and through having seted up the ring channel on the lateral surface of left sheath, be equipped with the end cover on the motor, be provided with the sealing washer in the ring channel, the sealing washer has the pressure that presses left sheath to right sheath this moment, the end cover has the pressure that presses right sheath to left sheath, thereby under the combined action of end cover and sealing washer, make the connection between left sheath and the right sheath more stable, and then improved seal structure's sealed effect.

Drawings

Fig. 1 is a structural schematic diagram of the sealing structure of the motor lead outlet after assembly.

Fig. 2 is a partial structure schematic diagram of the sealing structure of the motor lead outlet after assembly.

Fig. 3 is a structural schematic view of the sealing structure of the motor lead outlet assembled on the motor shell.

Fig. 4 is an exploded view of the lead sheath in the sealing structure of the lead outlet of the present motor.

In the figure, 1, lead sheath; 11. a left sheath; 111. a left guard plate; 112. a first left bottom plate; 113. a second left bottom plate; 114. an annular groove; 115. a wire passing groove; 12. a right sheath; 121. a right guard plate; 122. a first right bottom plate; 123. a second right bottom plate; 124. a seal tooth; 13. a wire passing hole; 14. a glue injection cavity; 15. injecting glue through holes; 2. a motor; 21. a housing; 22. a bayonet; 23. an end cap; 3. a protective cover; 31. an opening; 4. and (7) leading wires.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the sealing structure for the motor lead outlet includes a lead sheath 1, the lead sheath 1 includes a left sheath 11 and a right sheath 12 that can be fastened to each other, and the motor 2 includes a housing 21.

Specifically, as shown in fig. 1 to 4, one end of the housing 21 is provided with a bayonet 22, the left sheath 11 includes a left guard plate 111, a first left base plate 112 connected to an upper end surface of the left guard plate 111, and a second left base plate 113 connected to a lower end surface of the left guard plate 111, the left guard plate 111 is embedded in the bayonet 22, and a lower end surface of the first left base plate 112 and an upper end surface of the second left base plate 113 are both attached to the housing 21; the right sheath 12 comprises a right guard plate 121, a first right bottom plate 122 connected with the upper end face of the right guard plate 121, and a second right bottom plate 123 connected with the lower end face of the right guard plate 121, the right guard plate 121 is embedded in the left guard plate 111, the first left bottom plate 112 is connected with the first right bottom plate 122 in a clamping mode, and the second left bottom plate 113 is connected with the second right bottom plate 123 in a clamping mode.

The working principle is as follows: a bayonet 22 is formed in one end of a shell 21 of the motor 2, the left sheath 11 and the right sheath 12 are buckled with each other, a left guard plate 111 on the left sheath 11 is embedded into the bayonet 22, the lower end face of a left base plate I112 of the left sheath 11 and the upper end face of a left base plate II 113 are attached to the shell 21, the left sheath 11 is rapidly installed in a mode that the left sheath 11 is buckled with the shell 21, the left sheath 11 is vertically positioned on the shell 21 through the left base plate I112 and the left base plate II 113 in the installation process, and the left guard plate 111 is clamped and limited to the left sheath 11; the right backplate 121 on the right sheath 12 is embedded into the left backplate 111, a first left bottom plate 112 and a first right bottom plate 122 are clamped, and a second left bottom plate 113 and a second right bottom plate 123 are clamped, so that the right sheath 12 only needs to embed the right backplate 121 into the left backplate 111 and is clamped with the left sheath 11, the installation of the sealing structure can be simplified through the up-down limiting mode, and the assembly efficiency of the sealing structure is improved.

As shown in fig. 4, an annular groove 114 is formed on an outer side surface of the left guard plate 111, and the annular groove 114 is disposed along an outer contour of the bayonet 22.

As shown in fig. 2, the motor 2 further includes an end cap 23, and the end cap 23 is fixed to one end of the housing 21 and presses the left sheath 11 and the right sheath 12 into position.

As shown in fig. 1, the motor 2 further includes a protective cover 3, the protective cover 3 is fixed on the housing 21 and covers the left sheath 11 and the right sheath 12, and one end of the protective cover 3 has an opening 31 through which the lead wire 4 passes.

As shown in fig. 1-4, the first left bottom plate 112 and the second left bottom plate 113 both have a plurality of wire passing grooves 115, the first right bottom plate 122 and the second right bottom plate 123 both have sealing teeth 124 corresponding to the wire passing grooves 115 one to one, the sealing teeth 124 are inserted into the wire passing grooves 115 and form wire passing holes 13 for the lead wires 4 to pass through, a glue injection cavity 14 is formed between the left sheath 11 and the right sheath 12, and a glue injection through hole 15 communicated with the glue injection cavity 14 is formed at the upper part of the left sheath 11 or the upper part of the right sheath 12.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A sealing structure of a motor lead outlet comprises a lead sheath (1), wherein the lead sheath (1) comprises a left sheath (11) and a right sheath (12) which can be buckled with each other, a motor (2) comprises a shell (21), and is characterized in that one end of the shell (21) is provided with a bayonet (22), the left sheath (11) comprises a left protective plate (111), a first left bottom plate (112) connected with the upper end face of the left protective plate (111) and a second left bottom plate (113) connected with the lower end face of the left protective plate (111), the left protective plate (111) is embedded into the bayonet (22), the lower end face of the first left bottom plate (112) and the upper end face of the second left bottom plate (113) are both attached to the shell (21), and a plurality of wire passing grooves (115) are formed in the first left bottom plate (112) and the second left bottom plate (113); right side sheath (12) include right backplate (121), right bottom plate (122) of being connected with the up end of right backplate (121) and right bottom plate two (123) of being connected with the lower terminal surface of right backplate (121), right backplate (121) embedding left backplate (111) in, and left bottom plate (112) and right bottom plate (122) joint are connected, and left bottom plate two (113) and right bottom plate two (123) joint are connected, all have on right bottom plate one (122) and right bottom plate two (123) with cross sealing tooth (124) of wire casing (115) one-to-one, sealing tooth (124) insert to cross in wire casing (115) and form and supply wire passing hole (13) of (4) wearing to establish.

2. The sealing structure of the motor lead outlet according to claim 1, wherein an annular groove (114) is formed on the outer side surface of the left protective plate (111), and the annular groove (114) is arranged along the outer contour of the bayonet (22).

3. The sealing structure of the motor lead outlet according to claim 1, wherein the motor (2) further comprises an end cover (23), the end cover (23) is fixed at one end of the casing (21) and tightly presses and positions the left sheath (11) and the right sheath (12).

4. A sealing structure of motor lead outlet according to claim 1, 2 or 3, characterized in that the motor (2) further comprises a protective cover (3), the protective cover (3) is fixed on the housing (21) and covers the left sheath (11) and the right sheath (12), and one end of the protective cover (3) is provided with an opening (31) for the lead (4) to pass through.

5. The sealing structure of the motor lead outlet according to claim 1, 2 or 3, wherein a glue injection cavity (14) is formed between the left sheath (11) and the right sheath (12), and a glue injection through hole (15) communicated with the glue injection cavity (14) is formed in the upper portion of the left sheath (11) or the upper portion of the right sheath (12).