CN219760758U

CN219760758U - Miniature motor with dustproof construction

Info

Publication number: CN219760758U
Application number: CN202320419120.XU
Authority: CN
Inventors: 柳卓; 惠贤东; 王恬; 李超光
Original assignee: Hunan Aigema Electromechanical Technology Co ltd
Current assignee: Hunan Aigema Electromechanical Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-09-26
Anticipated expiration: 2033-03-08

Abstract

The utility model provides a miniature motor with a dustproof structure, which comprises a miniature motor shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the miniature motor shell, a rotating shaft is connected to the front end cover, a plurality of air inlets are annularly and equidistantly arranged on the surface of the rear end cover, and the rear end cover, a closed cover, an exhaust hole, the air inlets, a dustproof net cover and an adsorption net cover are arranged to be matched for use.

Description

Miniature motor with dustproof construction

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to a miniature motor with a dustproof structure.

Background

The miniature motor has small volume and capacity, the output power is generally lower than hundreds of watts, and the special requirements on the motor, the performance and the environmental conditions are met, and the miniature motor is commonly used in a control system to realize the functions of detecting, resolving, amplifying, executing or converting electromechanical signals or energy and the like, so that the miniature motor is developed.

The prior Chinese patent publication No. CN208924029U discloses a dustproof heat dissipation miniature motor, including motor housing and install in motor housing inside stator, rotor and output shaft, the baffle is installed with stator one side to motor housing inside, output shaft one end is installed on the baffle, the fan is installed to output shaft wear out baffle one end, motor housing inside and stator outside are equipped with first installation cavity, first connecting rod is worn to be equipped with in the first installation cavity, first connecting rod passes the baffle and installs the closed loop in fan one end, closed loop and motor housing clearance fit, motor housing has seted up the inlet port in the closed loop corresponding position, first baffle is installed in first installation cavity to first connecting rod, first memory spring is installed in first baffle one side to first installation cavity, motor housing has seted up the exhaust hole in fan one end, and its heat dispersion is better, and dustproof effect is better simultaneously. Above-mentioned micro motor is when in actual use, when inlet port and the inside intercommunication of motor housing, through the inside cold air that inhales of inlet port to motor housing, the dust can get into inside the micro motor along the inlet port and influence motor normal work, and the dust is more in the inside of motor, and the radiating effect of motor is finally influenced to the dust, leads to micro motor high temperature, the problem of performance decline, does not satisfy the user demand.

Accordingly, in view of the above, research and improvement are made to the existing structure and the defects, and a miniature motor with a dustproof structure is provided to achieve the purpose of more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a miniature motor with a dustproof structure, which solves the problems that when an air inlet is communicated with the interior of a motor shell in actual use, cold air is sucked into the interior of the motor shell through the air inlet, dust enters the interior of the miniature motor along the air inlet to influence the normal operation of the motor, the dust is accumulated more in the interior of the motor, the heat dissipation effect of the motor is finally influenced, the miniature motor is high in temperature and the performance is reduced, and the use requirement is not met.

The utility model discloses a miniature motor with a dustproof structure, which is realized by the following specific technical means:

the utility model provides a micro motor with dustproof construction, includes micro motor housing, micro motor housing's both ends are provided with front end housing and rear end cap respectively, be connected with the rotation axis on the front end housing, a plurality of inlet ports have been seted up to the surface annular equidistance of rear end housing, the inside detachable of one end of rear end housing is connected with the closure lid, a plurality of exhaust holes have been seted up to the annular equidistance on the closure lid, the inside laminating of rear end housing is provided with the dust screen panel, the inside of dust screen panel is provided with the absorption screen panel, micro motor housing's outside is provided with cooling module.

Further, the outer wall of the rear end cover is sleeved with a first annular plate, the outer wall of the closing cover is sleeved with a second annular plate, and the first annular plate and the second annular plate are arranged in a fit mode.

Further, a plurality of bolts are annularly distributed at equal intervals on one side of the first annular plate, one ends of the bolts penetrate through the first annular plate and the second annular plate, and nuts are sleeved on the bolts.

Further, one side of the first annular plate is connected with a rubber ring, one side of the second annular plate is provided with an annular groove, and the rubber ring is clamped in the annular groove in an extrusion mode.

Further, the heat dissipation assembly comprises a heat dissipation sleeve sleeved on the outer side of the miniature motor shell, a plurality of heat dissipation grooves are formed in the heat dissipation sleeve at annular intervals in an equidistant mode, and a plurality of heat dissipation fins are distributed on the surface of the heat dissipation sleeve at annular intervals in an equidistant mode.

Furthermore, a plurality of storage tanks are formed in the heat dissipation sleeve at equal intervals in an annular mode, and heat dissipation paste is filled in each storage tank.

Further, the adsorption net cover is made of active carbon materials.

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

1. according to the utility model, the rear end cover, the closed cover, the exhaust hole, the air inlet, the dustproof mesh cover and the adsorption mesh cover are arranged to be used in a matched manner, cold air is sucked into the miniature motor shell through the air inlet, the dustproof mesh cover is utilized to preliminarily block dust, so that the dust entering the miniature motor is reduced, and a large amount of dust accumulation is prevented;

2. the first annular plate, the second annular plate, the bolts and the nuts are arranged to fix the closed cover, and the rubber ring enables the edge of the closed cover to be tightly and firmly connected with the rear end cover, so that dust cannot enter the miniature motor from the edge of the closed cover, the closed cover can be detached, the regular disassembly, the cleaning and the replacement of the dustproof mesh enclosure and the adsorption mesh enclosure are facilitated, and the use is convenient;

3. through setting up radiator unit and micro motor housing cooperation and use, micro motor gives the heat transfer and gives the heat dissipation cover, realizes the heat dissipation through a plurality of radiating pastes and a plurality of fin on the heat dissipation cover itself, and then can improve micro motor's heat dispersion, the effectual radiating effect that has promoted.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a heat dissipating assembly according to the present utility model.

Fig. 4 is a schematic side sectional structure of the rear end cap of the present utility model.

Fig. 5 is an enlarged schematic view of a of fig. 4 in accordance with the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a miniature motor housing; 101. a front end cover; 102. a rear end cover; 2. a rotation shaft; 3. an air inlet hole; 4. closing the cover; 5. an exhaust hole; 6. a dust-proof net cover; 7. adsorbing the net cover; 8. a first annular plate; 9. a second annular plate; 10. a rubber ring; 11. an annular groove; 12. a bolt; 13. a nut; 14. a heat dissipation assembly; 141. a heat dissipation sleeve; 142. a heat sink; 143. a heat radiation fin; 144. a heat dissipating paste; 145. a storage tank.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 5:

the utility model provides a miniature motor with a dustproof structure, which comprises a miniature motor shell 1, wherein a front end cover 101 and a rear end cover 102 are respectively arranged at two ends of the miniature motor shell 1, a rotating shaft 2 is connected to the front end cover 101, a plurality of air inlets 3 are annularly and equidistantly arranged on the surface of the rear end cover 102, a closing cover 4 is detachably connected to the inside of one end of the rear end cover 102, a plurality of air outlets 5 are annularly and equidistantly arranged on the closing cover 4, a dustproof net cover 6 is attached to the inside of the rear end cover 102, an adsorption net cover 7 is arranged in the dustproof net cover 6, and a heat radiating component 14 is arranged on the outer side of the miniature motor shell 1.

In other embodiments, the outer wall of the rear end cover 102 is sleeved with the first annular plate 8, the outer wall of the closing cover 4 is sleeved with the second annular plate 9, the first annular plate 8 and the second annular plate 9 are attached to each other, and the rear end cover 102 and the closing cover 4 are connected by the first annular plate 8 and the second annular plate 9.

In other embodiments, a plurality of bolts 12 are annularly and equidistantly distributed on one side of the first annular plate 8, one ends of the bolts 12 penetrate through the first annular plate 8 and the second annular plate 9 and are sleeved with nuts 13 in a threaded manner, and the first annular plate 8 and the second annular plate 9 are fixedly connected through the cooperation of the bolts 12 and the nuts 13.

In other embodiments, a rubber ring 10 is connected to one side of the first annular plate 8, an annular groove 11 is formed in one side of the second annular plate 9, the rubber ring 10 is clamped inside the annular groove 11 in an extrusion mode, and the rubber ring 10 enables the edge of the closing cover 4 to be tightly and firmly connected with the rear end cover 102, so that dust cannot enter the micro motor from the edge of the closing cover 4.

In other embodiments, the heat dissipation assembly 14 includes a heat dissipation sleeve 141 sleeved outside the micro motor housing 1, a plurality of heat dissipation grooves 142 are formed in the heat dissipation sleeve 141 at annular intervals, a plurality of heat dissipation fins 143 are distributed on the surface of the heat dissipation sleeve 141 at annular intervals, heat generated by the operation of the micro motor housing 1 is transferred to the heat dissipation sleeve 141, and heat dissipation is achieved by utilizing the plurality of heat dissipation grooves 142 and the plurality of heat dissipation fins 143 on the heat dissipation sleeve 141, so that the heat dissipation capability of the micro motor can be improved, and the heat dissipation effect is effectively improved.

In other embodiments, a plurality of storage grooves 145 are formed in the heat dissipation sleeve 141 at equal intervals in an annular manner, and each storage groove 145 is filled with a heat dissipation paste 144, wherein the heat dissipation paste 144 is also called a heat conduction paste, is a paste-like material with good heat conductivity but mostly non-conductive, and has the main function of removing air at an interface part or poor heat conductivity of gap air so as to maximize heat conduction, and the heat dissipation is maximized by further dissipating heat by using the heat dissipation paste 144.

In other embodiments, the adsorption net cover 7 is made of an activated carbon material, so that the adsorption net cover 7 can adsorb dust, and further block smaller dust, so that the dust can be prevented from entering the micro motor along the air inlet hole 3 to affect the normal operation of the motor.

Specific use and action of the embodiment:

in the utility model, when the miniature motor works, the cooling fan in the miniature motor works simultaneously, cold air is sucked into the miniature motor shell 1 through the air inlet hole 3, when the cold air enters, the dust is firstly blocked by the dustproof net cover 6, so that the dust entering into the miniature motor is reduced, and a large amount of dust is prevented from accumulating, meanwhile, the adsorption net cover 7 is made of activated carbon, so that the adsorption net cover 7 can adsorb the dust, the smaller dust is further blocked, the dust can be prevented from entering the miniature motor along the air inlet hole 3 to influence the normal work of the motor, the more the dust accumulates in the motor, and finally the heat dissipation effect of the motor is influenced, and simultaneously, the heat generated by the work of the miniature motor shell 1 is transferred to the heat dissipation sleeve 141, and the heat dissipation capacity of the miniature motor is improved by utilizing the plurality of heat dissipation grooves 142 and the plurality of heat dissipation fins 143 on the heat dissipation sleeve 141, and the heat dissipation effect is effectively improved; when the closing cover 4, the dust screen 6 and the adsorption screen 7 need to be cleaned and replaced, the bolts 12 and the nuts 13 are separated, so that the first annular plate 8 and the second annular plate 9 are separated, the closing cover 4 is taken down from the rear end cover 102, so that the closing cover 4, the dust screen 6 and the adsorption screen 7 are cleaned and replaced, and the use is convenient.

It should be noted that, the micro-motor is a device or apparatus existing in the prior art, or a device or apparatus that can be implemented in the prior art, and the power supply, the specific composition and the principle thereof are clear to those skilled in the art, and are common general knowledge in the art, so they will not be described in detail.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A miniature motor with dustproof construction, its characterized in that: including miniature motor housing (1), the both ends of miniature motor housing (1) are provided with front end housing (101) and rear end cap (102) respectively, be connected with rotation axis (2) on front end housing (101), a plurality of inlet ports (3) have been seted up to the annular equidistance in surface of rear end cap (102), the inside detachable of one end of rear end cap (102) is connected with closure lid (4), a plurality of exhaust holes (5) have been seted up to annular equidistance on closure lid (4), the inside laminating of rear end cap (102) is provided with dust screen (6), the inside of dust screen (6) is provided with adsorption screen (7), the outside of miniature motor housing (1) is provided with radiator unit (14).

2. The miniature motor with dust-proof structure as set forth in claim 1, wherein: the outer wall of the rear end cover (102) is sleeved with a first annular plate (8), the outer wall of the closing cover (4) is sleeved with a second annular plate (9), and the first annular plate (8) and the second annular plate (9) are arranged in a fit mode.

3. The miniature motor with dust-proof structure as set forth in claim 2, wherein: one side annular equidistance of first annular board (8) distributes has a plurality of bolts (12), and a plurality of the one end of bolt (12) all runs through in first annular board (8) and second annular board (9) and thread bush is equipped with nut (13).

4. A miniature motor having a dust-proof structure as set forth in claim 3, wherein: one side of the first annular plate (8) is connected with a rubber ring (10), one side of the second annular plate (9) is provided with an annular groove (11), and the rubber ring (10) is clamped inside the annular groove (11) in an extrusion mode.

5. The miniature motor with dust-proof structure as set forth in claim 1, wherein: the heat dissipation assembly (14) comprises a heat dissipation sleeve (141) sleeved on the outer side of the miniature motor shell (1), a plurality of heat dissipation grooves (142) are formed in the heat dissipation sleeve (141) at annular intervals in an equidistant mode, and a plurality of heat dissipation fins (143) are distributed on the surface of the heat dissipation sleeve (141) at annular intervals in an equidistant mode.

6. The miniature motor with dust-proof structure as set forth in claim 5, wherein: a plurality of storage grooves (145) are formed in the heat dissipation sleeve (141) at equal intervals in an annular mode, and heat dissipation paste (144) is filled in each storage groove (145).

7. The miniature motor with dust-proof structure as set forth in claim 1, wherein: the adsorption net cover (7) is made of an active carbon material.