CN218183144U - DC motor casing - Google Patents

Abstract

The utility model belongs to the technical field of the motor technique and specifically relates to a direct current motor casing is related to, including the casing, still including setting up the rubber spare that is used for being qualified for the next round of competitions on the casing, be equipped with on the rubber spare and be used for the exhaust hole with the high-temperature high-pressure gas exhaust in the casing, the utility model discloses direct current motor casing is when using, through set up the exhaust hole on the rubber spare, the exhaust hole can reduce the inside temperature and the pressure of casing with the inside high-temperature high-pressure discharge of inside, guarantees that the inside spare part job stabilization of casing is reliable, has prolonged the life of motor, has avoided the casing to block up, makes the inside unable discharge of high-temperature high pressure that produces of casing, can influence the normal work of motor internals for a long time, reduces the life's of motor problem.

Description

DC motor casing

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a direct current motor casing is related to.

Background

Current motor includes the casing and sets up the magnetic pole in the casing to around being equipped with the coil on the magnetic pole, stator module is when the operation, and the motor is to coil circular telegram and make the magnetic pole change magnetic field, thereby the control rotor rotates, and the outlet of coil is generally plugged up with the rubber spare on the casing, makes the inside unable discharge of high temperature high pressure that produces of casing, can influence the normal work of motor internals for a long time, reduces the life of motor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that the inside of the shell is blocked, high temperature and high pressure are generated inside the shell and cannot be discharged, the normal work of internal parts of the motor can be influenced for a long time, and the service life of the motor is shortened, a direct current motor shell is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a direct current motor casing, includes the casing, still is used for the rubber spare that the coil was qualified for the next round of competitions including setting up on the casing, be equipped with on the rubber spare and be used for the exhaust hole of the high-temperature high-pressure gas exhaust in the casing. Compared with the prior art, the exhaust hole is formed in the rubber part, the exhaust hole can discharge the high-temperature and high-pressure inside the casing, the temperature and pressure inside the casing are reduced, the work stability and reliability of parts inside the casing are guaranteed, and the service life of the motor is prolonged.

Preferably, the exhaust hole is provided with an input section and an output section which are connected in sequence, the input section is positioned at one end of the exhaust hole close to the shell, the input section is used for communicating the output section with the interior of the shell, and the output section is communicated with the exterior of the shell.

In some preferred embodiments, a blocking part is arranged on the rubber piece, the blocking part is positioned on one side of the exhaust hole far away from the input section and blocks the output section, and when the pressure value inside the shell reaches a value, the pressure inside the shell forces the blocking part to open and exhaust.

Preferably, the output section is arranged on the contact surface of the rubber piece and the side wall of the shell, and the contact surface of the output section and the contact surface of the shell are communicated with each other.

Preferably, in some embodiments, a bayonet is provided on the housing, the rubber is matched with the bayonet, and the rubber is clamped in the bayonet.

Preferably, in some embodiments, the rubber member is provided with a limiting portion, the limiting portion is located on one side of the exhaust hole close to the input section, a limiting area matched with the wall thickness of the housing is formed between the limiting portion and the blocking portion, and the side wall of the housing is arranged between the limiting portion and the blocking portion.

The utility model has the advantages that: the utility model discloses direct current motor casing is when using, through set up the exhaust hole on the rubber spare, the exhaust hole can discharge inside high temperature high pressure, reduces the inside temperature and the pressure of casing, guarantees that the inside spare part job stabilization of casing is reliable, has prolonged the life of motor, has avoided the casing plug up, makes the inside unable discharge of high temperature high pressure that produces of casing, can influence the normal work of motor internals for a long time, reduces the life's of motor problem.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a half-section structure of the present invention;

FIG. 3 is a partial enlarged view of A in FIG. 2;

FIG. 4 is a schematic three-dimensional structure of the rubber member of the present invention;

fig. 5 is a schematic three-dimensional structure diagram of the middle shell of the present invention.

In the figure: 1. the device comprises a shell, 2, a rubber piece, 3, a wire outlet hole, 4, an exhaust hole, 5, an input section, 6, an output section, 7, a blocking part, 8, a bayonet, 9 and a limiting part.

Detailed Description

The utility model discloses the following embodiment of combining does further detailing:

the utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1-5, a direct current motor casing, including casing 1 and rubber spare 2, be provided with bayonet socket 8 on the casing 1, rubber spare 2 and bayonet socket 8 phase-match, rubber spare 2 card is established in bayonet socket 8, wire hole 3 and exhaust hole 4 have been seted up on rubber spare 2, wire hole 3 communicates one side outside casing 1 and one side in the casing 1 each other, the realization is qualified for the next round of competitions through wire hole 3 with the coil, after 3 wire holes are qualified for the next round of competitions, exhaust hole 4 has input section 5 and the output section 6 that connects gradually, input section 5 is located the one end that exhaust hole 4 is close to casing 1, input section 5 is used for communicating output section 6 and casing 1 inside, output section 6 and casing 1 outside intercommunication, exhaust hole 4 realizes discharging the high temperature high pressure gas in casing 1.

Because the motor is located operational environment is different, often can use in dust or the occasion that the rainwater is more, in order to prevent that outside rainwater or dust from entering into the motor, be provided with blocking part 7 on the rubber spare 2, blocking part 7 is located the one side that input section 5 was kept away from to exhaust hole 4 and with output section 6 shutoff, when casing 1 inside reached the pressure value, casing 1 internal pressure forces blocking part 7 displacement and opens exhaust hole 4. The blocking part 7 is in a state of blocking the exhaust hole 4 when the internal pressure of the shell 1 does not reach a set value, only when the internal pressure of the shell 1 exceeds the set value, the blocking part 7 is pushed away under the action of pressure, and the blocking part 7 bends and opens the exhaust hole 4.

In order to better discharge the pressure in the housing 1, the output section 6 is arranged on the contact surface of the rubber member 2 and the side wall of the housing 1, and the output section 6 is communicated with the contact surface of the housing 1. The high-temperature and high-pressure gas inside the casing 1 is discharged through the gap between the output section 6 and the side wall.

In order to prevent the rubber part 2 from displacing on the shell 1, the rubber part 2 is provided with a limiting part 9, the limiting part 9 is positioned on one side of the exhaust hole 4 close to the input section 5, a limiting area matched with the wall thickness of the shell 1 is formed between the limiting part 9 and the blocking part 7, and the side wall of the shell 1 is arranged between the limiting part 9 and the blocking part 7.

Above-mentioned direct current motor casing is when using, because rotor rotation and coil circular telegram etc, casing 1 is inside to produce high temperature high pressure, be in when lower state at 1 inside pressure value of casing, exhaust hole 4 is in the shutoff state, just break through the setting value when 1 inside pressure value of casing, 1 inside high temperature high pressure of casing enters into to output section 6 through the input section 5 of exhaust hole 4, and discharge by the clearance of contact surface between rubber spare 2 and the casing 1, 1 inside pressure value of casing greatly surpasss the setting value, force blocking part 7 to open the one end of exhaust hole 4 under the effort of high temperature high-pressure gas, discharge 1 inside high temperature high pressure gas of casing, guarantee 1 inside pressure value of casing.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims (6)

1. A direct current motor casing, includes casing (1), its characterized in that: still including setting up rubber spare (2) that are used for the coil to be qualified for the next round of competitions on casing (1), be equipped with on rubber spare (2) and be used for exhaust hole (4) with the high-temperature high-pressure gas in casing (1).

2. The direct current motor case of claim 1, wherein: exhaust hole (4) have input section (5) and output section (6) that connect gradually, input section (5) are located exhaust hole (4) and are close to the one end in casing (1), input section (5) are used for with output section (6) and casing (1) inside intercommunication, output section (6) and casing (1) outside intercommunication.

3. The direct current motor case of claim 2, wherein: be provided with stopper (7) on rubber spare (2), stopper (7) are located exhaust hole (4) and keep away from one side of input section (5) and with output section (6) shutoff, work as when casing (1) is inside when reaching the pressure value, casing (1) internal pressure forces stopper (7) to open and the exhaust.

4. The direct current motor case of claim 3, wherein: the output section (6) is arranged on the contact surface of the rubber part (2) and the side wall of the shell (1), and the contact surfaces of the output section (6) and the shell (1) are communicated with each other.

5. The direct current motor case according to claim 3 or 4, wherein: be provided with bayonet socket (8) on casing (1), rubber spare (2) and bayonet socket (8) phase-match, rubber spare (2) card is established in bayonet socket (8).

6. The direct current motor case of claim 5, wherein: be provided with spacing portion (9) on rubber spare (2), spacing portion (9) are located exhaust hole (4) and are close to one side of input section (5), form between spacing portion (9) and stop part (7) and shell (1) wall thickness assorted restriction district, the lateral wall setting of shell (1) is between spacing portion (9) and stop part (7).

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