CN212412919U

CN212412919U - Waterproof step motor

Info

Publication number: CN212412919U
Application number: CN202021472413.7U
Authority: CN
Inventors: 余水良
Original assignee: Dongguan Kaifull Electronic Technology Co ltd
Current assignee: Dongguan Kaifull Electronic Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-01-26
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a waterproof step motor, the protective housing comprises a protective housing, there is bi-pass formula step motor bottom of protective housing inner chamber through support fixed mounting, and the left output of bi-pass formula step motor passes through bearing swing joint in the left middle-end of protective housing, the output fixed mounting on bi-pass formula step motor right side has the heat dissipation flabellum, equal fixedly connected with heat conduction fin all around on bi-pass formula step motor surface, the left middle-end fixedly connected with seal shell of protective housing inner chamber. The utility model discloses a under the effect of mutually supporting between protective housing, seal shell, manger plate oil blanket, bi-pass formula step motor, heat dissipation flabellum, filter shell, inlet port, heat conduction fin and first active carbon filter screen and the second active carbon filter screen, realized carrying out effectual isolated to external steam, reach and carry out radiating effect to bi-pass formula step motor, the effectual life who improves bi-pass formula step motor.

Description

Waterproof step motor

Technical Field

The utility model relates to the technical field of motors, specifically be a waterproof step motor.

Background

The step motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive component in a modern digital program control system, is widely applied, and under the condition of non-overload, the rotating speed and the stopping position of the motor only depend on the frequency and the pulse number of the pulse signal and are not influenced by load change; can control motor pivoted speed and acceleration simultaneously through control pulse frequency to reach the purpose of speed governing, however current step motor water-proof effects is relatively poor, works for a long time under the great environment of humidity, and the moisture gets into step motor inside influence its normal work very easily, and step motor self radiating effect is relatively poor, can produce higher temperature at the during operation, seriously influences step motor's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof step motor possesses waterproof and the good advantage of radiating effect, and it is relatively poor to have solved current step motor water-proof effects, works as long-time work under the great environment of humidity, and the moisture gets into step motor inside influence its normal work very easily, and step motor self's radiating effect is relatively poor, can produce higher temperature at the during operation, seriously influences step motor life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof stepping motor comprises a protective shell, wherein a two-way stepping motor is fixedly arranged at the bottom of an inner cavity of the protective shell through a support, the left output end of the two-way stepping motor is movably connected to the left middle end of the protective shell through a bearing, a radiating fan blade is fixedly arranged at the right side of the two-way stepping motor, heat conducting fins are fixedly connected to the periphery of the surface of the two-way stepping motor, a sealing shell is fixedly connected to the left middle end of the inner cavity of the protective shell, a water retaining oil seal is fixedly connected to the inner cavity of the sealing shell, the inner surface of the water retaining oil seal is movably connected to the surface of the left output end of the two-way stepping motor, an air inlet hole is formed in the right side of the protective shell, a filter shell is fixedly connected to the right side of the outer surface of the protective shell, a second active carbon, the gas vent has all been seted up at the left both ends of protective housing.

Preferably, the middle end of the surface of the inner cavity of the protective shell is fixedly connected with a drying agent, and the drying agent is made of active alumina.

Preferably, an air guide pipe is fixedly connected between the left sides of the two exhaust ports, and a dust filter bag is fixedly connected to the top of the air guide pipe.

Preferably, the equal fixedly connected with horizontal pole in both sides of protective housing surface, the equal fixedly connected with telescopic link in both ends of horizontal pole bottom, the surface cover of telescopic link is equipped with the spring.

Preferably, the bottom fixedly connected with mounting panel of telescopic link, the pilot hole has all been seted up at the both ends of mounting panel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model can form good sealing effect at the left output end of the two-way stepping motor through the arrangement of the left sealing shell and the water-retaining oil seal of the inner cavity of the protective shell, can effectively isolate the water vapor in the outside air, can drive the right output end to rapidly rotate when the two-way stepping motor works, can drive the heat radiation fan blade to rapidly rotate when the output end rotates, the heat radiation fan blade rotates to drive the outside air flow to rapidly flow into the protective shell through the filter shell and the air inlet hole, the rapid gas flow can rapidly dissipate the heat of the two-way stepping motor and the heat conduction fin, the temperature of the two-way stepping motor can be rapidly cooled, and the moisture and the dust in the air flow conveyed by the heat radiation fan blade can be effectively adsorbed and filtered through the arrangement of the first active carbon filter screen and the second active carbon filter screen inside the filter shell, effectual prevent that moisture and dust from getting into the inside of protective housing, under holistic mating reaction, realized when carrying out effectual completely cut off to external steam, reach and carry out radiating effect to bi-pass step motor, the effectual life who improves bi-pass step motor, it is relatively poor to have solved current step motor water-proof effects, work for a long time under the great environment of humidity, the moisture gets into step motor inside its normal work of influence very easily, and step motor self's radiating effect is relatively poor, can produce higher temperature at the during operation, seriously influence step motor life's problem.

2. The utility model discloses a setting of drier, can carry out effectual absorption to the inside steam of protective housing, great reduction the inside humidity content of protective housing, through the horizontal pole, the telescopic link, the setting of spring and mounting panel, when the effect of external force produces vibrations around the mounting panel, the spring can produce elastic deformation under the effect of the impact force that vibrations brought, when spring elastic deformation produced, can carry out effectual alleviating to the dynamics of strikeing, great reduction the impact force to bi-pass step motor's influence, the effectual bi-pass step motor that prevents damages at the in-process of collision.

Drawings

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

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

fig. 3 is a schematic view of the sectional structure of the sealing shell of the present invention.

In the figure: 1. a heat conductive fin; 2. a two-way stepper motor; 3. a dust filter pack; 4. an exhaust port; 5. an air duct; 6. sealing the shell; 7. a protective shell; 8. a telescopic rod; 9. mounting a plate; 10. a desiccant; 11. a spring; 12. a heat dissipation fan blade; 13. a filter shell; 14. a second activated carbon filter screen; 15. a first activated carbon filter screen; 16. a cross bar; 17. water-retaining oil seal; 18. an assembly hole; 19. and (4) air inlet holes.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a waterproof stepping motor comprises a protective shell 7, a desiccant 10 is fixedly connected to the middle end of the surface of an inner cavity of the protective shell 7, the desiccant 10 is made of activated alumina, and can effectively adsorb water vapor inside the protective shell 7 through the arrangement of the desiccant 10, thereby greatly reducing the humidity content inside the protective shell 7, a two-way stepping motor 2 is fixedly installed at the bottom of the inner cavity of the protective shell 7 through a bracket, the left output end of the two-way stepping motor 2 is movably connected to the middle end of the left side of the protective shell 7 through a bearing, a heat radiation fan blade 12 is fixedly installed at the output end of the right side of the two-way stepping motor 2, heat conduction fins 1 are fixedly connected around the surface of the two-way stepping motor 2, a sealing shell 6 is fixedly connected to the left middle end of the inner cavity of the protective shell 7, and, and the internal surface swing joint of manger plate oil blanket 17 is in the surface of the left side output of the two-way step motor 2, the right side of the protective housing 7 has been seted up inlet port 19, the right side fixedly connected with of protective housing 7 surface filters shell 13, the surface of filtering the shell 13 inner chamber is fixedly connected with second active carbon filter screen 14 and first active carbon filter screen 15 from a left side to the right side in proper order, gas vent 4 has all been seted up at the left both ends of protective housing 7, fixedly connected with air duct 5 between the left sides of two gas vent 4, the top fixedly connected with dust of air duct 5 filters package 3, the both sides of protective housing 7 surface all fixedly connected with horizontal pole 16, the both ends of horizontal pole 16 bottom all fixedly connected with telescopic link 8, the surface cover of telescopic link 8 is equipped with spring 11, the bottom fixedly connected with mounting panel 9, The telescopic rod 8, the spring 11 and the mounting plate 9 are arranged, when the periphery of the mounting plate 9 generates vibration under the action of external force, the spring 11 can generate elastic deformation under the action of impact force caused by the vibration, when the elastic deformation of the spring 11 is generated, the impact force can be effectively relieved, the influence of the impact force on the two-way stepping motor 2 is greatly reduced, the two-way stepping motor 2 is effectively prevented from being damaged in the collision process, through the arrangement of the left sealing shell 6 and the water blocking oil seal 17 in the inner cavity of the protective shell 7, a good sealing effect can be formed at the output end on the left side of the two-way stepping motor 2, water vapor in the external air can be effectively isolated, when the two-way stepping motor 2 works, the output end on the right side of the two-way stepping motor can be driven to rotate rapidly, and the output end of the two-way stepping motor can drive the radiating fan blades 12 to, the heat dissipation fan blades 12 rotate to drive external air flow to rapidly flow into the protective shell 7 through the filter shell 13 and the air inlet 19, the rapid flow of the air can rapidly dissipate heat of the two-way stepping motor 2 and the heat conduction fins 1, so that the temperature of the two-way stepping motor 2 can be rapidly cooled, meanwhile, through the arrangement of the first activated carbon filter screen 15 and the second activated carbon filter screen 14 in the filter shell 13, moisture and dust in the air flow conveyed by the heat dissipation fan blades 12 can be effectively adsorbed and filtered, the moisture and dust are effectively prevented from entering the protective shell 7, under the integral cooperation effect, the external water vapor is effectively isolated, the heat dissipation effect of the two-way stepping motor 2 is achieved, the service life of the two-way stepping motor 2 is effectively prolonged, and the problem that the existing stepping motor is poor in waterproof effect is solved, when long-time work under the great environment of humidity, the moisture gets into step motor inside very easily and influences its normal work, and step motor self radiating effect is relatively poor, can produce higher temperature at the during operation, seriously influences step motor life's problem.

All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description will be made herein.

When the double-pass stepping motor is used, a good sealing effect can be formed at the output end on the left side of the double-pass stepping motor 2 by arranging the left sealing shell 6 and the water-retaining oil seal 17 in the inner cavity of the protective shell 7, water vapor in the outside air can be effectively isolated, the output end on the right side of the double-pass stepping motor 2 can be driven to rotate rapidly when the double-pass stepping motor 2 works, the output end of the double-pass stepping motor can drive the radiating fan blades 12 to rotate rapidly when the output end of the double-pass stepping motor rotates, the radiating fan blades 12 rotate to drive outside air flow to flow rapidly into the protective shell 7 through the filter shell 13 and the air inlet 19, the rapid air flow can rapidly dissipate heat of the double-pass stepping motor 2 and the heat conducting fins 1, the temperature of the double-pass stepping motor 2 can be cooled rapidly, and meanwhile, the first active carbon filter screen 15 and the second active carbon, can carry out effective absorption and filtration to moisture and dust in the air current conveyed by the radiating fan blades 12, effectively prevent the moisture and the dust from entering the interior of the protective shell 7, under the integral coordination effect, the effective isolation to the outside vapor is realized, simultaneously, the effect of radiating the bi-pass stepping motor 2 is achieved, the service life of the bi-pass stepping motor 2 is effectively prolonged, through the arrangement of the drying agent 10, the vapor in the protective shell 7 can be effectively absorbed, the humidity content in the protective shell 7 is greatly reduced, through the arrangement of the cross rod 16, the telescopic rod 8, the spring 11 and the mounting plate 9, when the periphery of the mounting plate 9 generates vibration under the action of external force, the spring 11 can generate elastic deformation under the action of impact force caused by the vibration, when the elastic deformation of the spring 11 is generated, the impact force can be effectively relieved, great reduction impact force to bi-pass step motor 2's influence, effectual bi-pass step motor 2 that prevents damages at the in-process of collision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof step motor, includes protective housing (7), its characterized in that: the bottom of the inner cavity of the protective shell (7) is fixedly provided with a two-way stepping motor (2) through a support, the left output end of the two-way stepping motor (2) is movably connected to the left middle end of the protective shell (7) through a bearing, the right output end of the two-way stepping motor (2) is fixedly provided with a heat radiation fan blade (12), the periphery of the surface of the two-way stepping motor (2) is fixedly connected with heat conduction fins (1), the left middle end of the inner cavity of the protective shell (7) is fixedly connected with a sealing shell (6), the inner cavity of the sealing shell (6) is fixedly connected with a water blocking oil seal (17), the inner surface of the water blocking oil seal (17) is movably connected to the surface of the left output end of the two-way stepping motor (2), the right side of the protective shell (7) is provided with an air inlet (19), and the right side of the outer, the surface of the inner cavity of the filter shell (13) is sequentially fixedly connected with a second activated carbon filter screen (14) and a first activated carbon filter screen (15) from left to right, and exhaust ports (4) are formed in the two left ends of the protective shell (7).

2. The waterproof stepping motor of claim 1, wherein: the middle end of the inner cavity surface of the protective shell (7) is fixedly connected with a drying agent (10), and the drying agent (10) comprises active alumina.

3. The waterproof stepping motor of claim 1, wherein: and an air duct (5) is fixedly connected between the left sides of the two exhaust ports (4), and a dust filter bag (3) is fixedly connected to the top of the air duct (5).

4. The waterproof stepping motor of claim 1, wherein: the protective housing is characterized in that two sides of the outer surface of the protective housing (7) are fixedly connected with cross rods (16), two ends of the bottom of each cross rod (16) are fixedly connected with telescopic rods (8), and springs (11) are sleeved on the outer surfaces of the telescopic rods (8).

5. The waterproof stepping motor of claim 4, wherein: the bottom fixedly connected with mounting panel (9) of telescopic link (8), pilot hole (18) have all been seted up at the both ends of mounting panel (9).