CN210517962U

CN210517962U - Sealing assembly structure of motor cover and motor shell

Info

Publication number: CN210517962U
Application number: CN201921877998.8U
Authority: CN
Inventors: 瞿超
Original assignee: Yangzhou Wanda Aluminum Co Ltd
Current assignee: Yangzhou Wanda Aluminum Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-05-12
Anticipated expiration: 2029-11-04

Abstract

The utility model belongs to the technical field of motor assembly structure, especially, be a motor lid and motor casing's sealed assembly structure, include motor casing and connect in the motor lid of this motor casing tip, be equipped with first connection pad on motor casing's the link outer wall, be equipped with the second connecting seat that corresponds the setting with first connection pad on the link outer wall of motor lid, pass through bolt-up between first connection pad and the second connecting seat. The utility model discloses an outer loop fixture block uses with the cooperation of outer lane draw-in groove and inner ring fixture block and inner circle draw-in groove, can realize the quick location installation of motor lid, improve assembly efficiency, establish first sealing washer and second sealing washer through inlaying in outer lane draw-in groove and inner circle draw-in groove, the conflict pressure of producing to the binding face of first sealing washer and second sealing washer during the utilization assembly, provide good sealing performance for motor lid and motor casing's link, in effectively preventing dust and water entering motor, guarantee the stability of motor, the safe operation.

Description

Sealing assembly structure of motor cover and motor shell

Technical Field

The utility model relates to a motor assembly structure technical field specifically is a motor cover and motor casing's sealed assembly structure.

Background

The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. The electric motor converts electric energy into mechanical energy (commonly called as a motor), and the generator converts mechanical energy into electric energy. The motor is mainly used for generating driving torque and is used as a power source of electric appliances or various machines.

An electric motor such as an electromagnetic dc motor is composed of a casing, and a stator magnetic pole, a rotor (armature), a commutator (commonly called a commutator), a brush, and a bearing, which are assembled in the casing. The connected mode between motor casing and the motor lid among the prior art is that directly fastens through the bolt, and although this kind of connected mode can realize the fastening between motor casing and the motor lid, nevertheless there is the not enough defect of leakproofness between the link of motor casing and motor lid, easily makes the dust get into the inside or the emergence of the interior phenomenon of intaking of motor, leads to the motor short circuit, causes the incident.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a motor lid and motor casing's sealed assembly structure, it is direct to fasten through the bolt to have solved the connected mode between motor casing and the motor lid among the prior art, fastening between motor casing and the motor lid can be realized to this kind of connected mode, nevertheless there is the not enough defect of leakproofness between the link of motor casing and motor lid, easily make the dust get into the inside or the emergence of the interior phenomenon of intaking of motor, lead to the motor short circuit, cause the problem of incident.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motor cover and motor casing's sealed assembly structure, includes motor casing and connects in the motor cover of this motor casing tip, be equipped with first connecting seat on motor casing's the link outer wall, be equipped with the second connecting seat that corresponds the setting with first connecting seat on motor cover's the link outer wall, pass through the bolt-up between first connecting seat and the second connecting seat.

The motor cover is characterized in that an outer ring clamping groove is formed in a connecting end wall of the motor shell, an inner ring clamping groove is formed in the connecting end wall of the motor shell, the inner periphery of the connecting end wall of the motor shell, corresponding to the outer ring clamping groove, is provided with an outer ring clamping block matched with the outer ring clamping groove, an inner ring clamping block is arranged on the connecting end wall of the motor cover, corresponding to the outer ring clamping block, and is matched with the inner ring clamping groove, a first sealing ring which is abutted to the connecting end portion of the outer ring clamping block is embedded in the outer ring clamping groove, and a second sealing ring which is abutted to the end portion.

As an optimal technical scheme of the utility model, be equipped with respectively on first connecting seat and the second connecting seat with the first mounting hole and the second mounting hole of bolt looks adaptation.

As an optimal technical scheme of the utility model, be connected through the packing ring between the terminal surface of bolt and second connecting seat.

As an optimized technical scheme of the utility model, the axial length of outer lane draw-in groove is greater than the axial length of inner circle draw-in groove.

As an optimized technical scheme of the utility model, first sealing washer is rectangular sealing washer.

As an optimal technical scheme of the utility model, the second sealing washer is O type sealing washer, correspond respectively on inner circle draw-in groove and the inner ring fixture block and be equipped with first circular arc groove and the second circular arc groove with second sealing washer surface looks adaptation.

(III) advantageous effects

Compared with the prior art, the utility model provides a motor cover and motor casing's sealed assembly structure possesses following beneficial effect:

this motor lid and motor casing's sealed assembly structure, use through the cooperation of outer loop fixture block and outer lane draw-in groove and inner ring fixture block with the inner circle draw-in groove, can realize the quick location installation of motor lid, improve assembly efficiency, establish first sealing washer and second sealing washer through inlaying in outer lane draw-in groove and inner circle draw-in groove, the conflict pressure of the binding face production to first sealing washer and second sealing washer during the utilization assembly, provide good sealing performance for the motor lid with motor casing's link, effectively prevent in dust and the water entering motor, guarantee the stability of motor, the safe operation.

Drawings

Fig. 1 is an exploded view of a connection structure of a motor cover and a motor housing according to the present invention;

fig. 2 is a schematic structural view of a motor housing according to the present invention;

fig. 3 is a schematic structural view of the middle motor cover of the present invention.

In the figure: 1. a motor housing; 101. an outer ring clamping groove; 102. an inner ring clamping groove; 1021. a first arc groove; 2. a motor cover; 201. an outer ring fixture block; 202. an inner ring fixture block; 2021. a second arc groove; 3. a first connecting seat; 301. a first mounting hole; 4. a second connecting seat; 401. a second mounting hole; 5. a bolt; 6. a first seal ring; 7. a second seal ring; 8. a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a motor lid and motor casing's sealed assembly structure, includes motor casing 1 and connects in the motor lid 2 of 1 tip of this motor casing, is equipped with first connecting seat 3 on motor casing 1's the link outer wall, is equipped with the second connecting seat 4 that corresponds the setting with first connecting seat 3 on the link outer wall of motor lid 2, fastens through bolt 5 between first connecting seat 3 and the second connecting seat 4.

The motor casing is characterized in that an outer ring clamping groove 101 is formed in a connecting end wall of the motor casing 1, an inner ring clamping groove 102 is formed in the connecting end wall of the motor casing 1 corresponding to the inner periphery of the outer ring clamping groove 101, an outer ring clamping block 201 matched with the outer ring clamping groove 101 is arranged on the connecting end wall of the motor cover 2, an inner ring clamping block 202 is arranged on the connecting end wall of the motor cover 2 corresponding to the inner periphery of the outer ring clamping block 201, the inner ring clamping block 202 is matched with the inner ring clamping groove 102, a first sealing ring 6 abutted to the connecting end portion of the outer ring clamping block 201 is embedded in the outer ring clamping groove 101, and a second sealing ring 7.

Specifically, the first connecting seat 3 and the second connecting seat 4 are respectively provided with a first mounting hole 301 and a second mounting hole 401 which are matched with the bolt 5.

In this embodiment, the bolt 5 is screwed into the first mounting hole 301 and the second mounting hole 401, so that the bolt 5 can be rotated to fasten the first connecting seat 3 and the second connecting seat 4 during mounting, thereby facilitating mounting.

Specifically, the bolt 5 is connected with the connecting end surface of the second connecting seat 4 through a washer 8.

In this embodiment, the setting of packing ring 8 can play the guard action to bolt 5 second connecting seat 4 promptly, prevents to damage the connection terminal surface of second connecting seat 4, plays the effect that reduces pressure and prevent that bolt 5 is not hard up simultaneously.

Specifically, the axial length of the outer ring snap groove 101 is greater than the axial length of the inner ring snap groove 102.

In this embodiment, rational in infrastructure, inner circle draw-in groove 102 sets up in the inner wall of outer lane draw-in groove 101, and cooperation outer loop fixture block 201 and inner ring fixture block 202 carry out the joint to motor casing 1 and motor cover 2, can realize quick location, utilize the equipment.

Specifically, the first seal ring 6 is a rectangular seal ring.

In this embodiment, the first sealing ring 6 is a rectangular sealing ring, and the fitting surface of the rectangular sealing ring generates initial sealing performance in the radial and axial directions due to the pre-contact pressure applied during installation.

Specifically, the second seal ring 7 is an O-shaped seal ring, and the inner ring clamping groove 102 and the inner ring clamping block 202 are respectively and correspondingly provided with a first arc groove 1021 and a second arc groove 2021 which are matched with the outer surface of the second seal ring 7.

In this embodiment, through inlaying the O type sealing washer and locating between first arc groove 1021 and second arc groove 2021, through behind bolt 5 fastening motor casing 1 and the motor lid 2, the laminating is more inseparable between the binding face of O type sealing washer and the binding face of first arc groove 1021 and second arc groove 2021, makes sealed effect better.

The utility model discloses a theory of operation and use flow: during installation, first, arrange first sealing washer 6 and second sealing washer 7 in outer lane draw-in groove 101 and inner circle draw-in groove 102 respectively, correspond before and after through first connecting seat 3 and second connecting seat 4, and compress tightly motor cover 2 and motor casing 1's link, outer loop fixture block 201 and outer lane draw-in groove 101 and inner ring fixture block 202 and inner circle draw-in groove 102 play limiting displacement's time, make outer loop fixture block 201 joint in outer lane draw-in groove 101 and produce conflict pressure to the binding face of rectangular sealing washer, make inner ring fixture block 202 joint in inner circle draw-in groove 102 and produce conflict pressure to the binding face of O type sealing washer simultaneously, for providing good sealing performance between the link of motor cover 2 and motor casing 1, fasten between first connecting seat 3 and second connecting seat 4 through bolt 5 and packing ring 8 at last, accomplish the seal assembly to motor casing 1 and motor cover 2 promptly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 a motor lid and motor casing's sealed assembly structure, includes motor casing (1) and connects in motor lid (2) of this motor casing (1) tip, its characterized in that: a first connecting seat (3) is arranged on the outer wall of the connecting end of the motor shell (1), a second connecting seat (4) arranged corresponding to the first connecting seat (3) is arranged on the outer wall of the connecting end of the motor cover (2), and the first connecting seat (3) and the second connecting seat (4) are fastened through bolts (5);

the motor is characterized in that an outer ring clamping groove (101) is formed in a connecting end wall of the motor shell (1), an inner ring clamping groove (102) is formed in the connecting end wall of the motor shell (1) corresponding to the inner periphery of the outer ring clamping groove (101), an outer ring clamping block (201) matched with the outer ring clamping groove (101) is arranged on the connecting end wall of the motor cover (2), an inner ring clamping block (202) is arranged on the connecting end wall of the motor cover (2) corresponding to the inner periphery of the outer ring clamping block (201), the inner ring clamping block (202) is matched with the inner ring clamping groove (102), a first sealing ring (6) abutted to the connecting end portion of the outer ring clamping block (201) is embedded in the outer ring clamping groove (101), and a second sealing ring (7) abutted to the end portion of the inner ring clamping block.

2. The seal-fitting structure of a motor cover and a motor housing according to claim 1, wherein: and a first mounting hole (301) and a second mounting hole (401) which are matched with the bolt (5) are respectively formed in the first connecting seat (3) and the second connecting seat (4).

3. The seal-fitting structure of a motor cover and a motor housing according to claim 1, wherein: the bolt (5) is connected with the connecting end face of the second connecting seat (4) through a gasket (8).

4. The seal-fitting structure of a motor cover and a motor housing according to claim 1, wherein: the axial length of the outer ring clamping groove (101) is larger than that of the inner ring clamping groove (102).

5. The seal-fitting structure of a motor cover and a motor housing according to claim 1, wherein: the first sealing ring (6) is a rectangular sealing ring.

6. The seal-fitting structure of a motor cover and a motor housing according to claim 1, wherein: the second sealing ring (7) is an O-shaped sealing ring, and a first arc groove (1021) and a second arc groove (2021) which are matched with the outer surface of the second sealing ring (7) are correspondingly arranged on the inner ring clamping groove (102) and the inner ring clamping block (202) respectively.