CN219834808U - Electric actuator easy to radiate heat - Google Patents

Abstract

The utility model discloses an electric actuator easy to radiate, which belongs to the technical field of electric actuators and comprises an electric actuator body, wherein a radiating cavity is formed in one side of the electric actuator body, a grid plate is arranged at the opening of the radiating cavity, a radiating component is arranged in the radiating cavity, and the miniature stepping motor and an adjusting component can be used for matching operation, so that an exhaust fan can move in a circulating and reciprocating mode and continuously circulate air inside and outside the electric actuator body, the heat air exchange in the electric actuator body is accelerated, the radiating effect of the electric actuator body is improved, and meanwhile, the grid plate can be outwards opened by an electric push rod, so that an annular extension plate extends out from the radiating cavity, ventilation holes are prevented from being formed, the air flow can be increased, the radiating effect of the electric actuator is further improved, and the normal use of internal parts is further ensured.

Description

Electric actuator easy to radiate heat

Technical Field

The utility model relates to the technical field of electric actuators, in particular to an electric actuator easy to dissipate heat.

Background

An electric actuator is a driving device that can provide linear or rotational motion, and that uses some driving energy and operates under some control signal. The actuator uses a liquid, gas, electric or other energy source and converts it into a driving action by means of an electric motor, cylinder or other device. The main advantage is a high stability and constant thrust applicable by the user, with a maximum actuator thrust of up to 225000kgf.

Based on the above, the present inventors found that: in the process of using the existing electric actuator, the structure is single, the heat dissipation is carried out by mostly depending on a shell or a heat dissipation fan fixedly installed in the shell, the heat dissipation effect is relatively poor, high temperature is easy to generate in equipment after long-time use, the actuator works in a high-temperature state for a long time, high-temperature fault damage and even explosion possibility exist when the aging of internal parts are accelerated, and potential safety hazards exist.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide an electric actuator easy to dissipate heat, which can utilize the cooperation operation of a miniature stepping motor and an adjusting component to enable an exhaust fan to move circularly and reciprocally and continuously circulate air inside and outside an electric actuator body so as to accelerate the heat air exchange in the electric actuator body and improve the heat dissipation effect of the electric actuator body, and meanwhile, an electric push rod is utilized to open a grating plate outwards so that an annular extension plate extends out from a heat dissipation cavity, and a plurality of ventilation holes are formed in the surface of the annular extension plate, so that the circulation of air can be increased, the heat dissipation effect of the annular extension plate is further improved, and the normal use of internal parts is further ensured.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

An electric actuator easy to radiate comprises an electric actuator body, wherein a radiating cavity is formed in one side of the electric actuator body, a grid plate is arranged at the opening of the radiating cavity, and a radiating assembly is arranged in the radiating cavity;

the heat dissipation assembly comprises a miniature stepping motor fixedly installed inside the electric actuator body and an adjusting assembly arranged between inner walls at two ends of the heat dissipation cavity, an output shaft of the miniature stepping motor is connected with the adjusting assembly, and two exhaust fans are arranged on the adjusting assembly.

Further, the adjusting component comprises a screw rod which rotates between the inner walls of the two ends of the heat dissipation cavity, a movable frame is sleeved on the periphery thread of the screw rod, and two exhaust fans are fixedly arranged on one side of the movable frame.

Further, one end of the movable frame is provided with a threaded hole matched with the screw rod, and the movable frame is in threaded connection with the periphery of the screw rod through the threaded hole.

Further, two guide rods are fixedly connected between the inner walls of the two ends of the heat dissipation cavity, and the bottoms and the tops of the movable frames are slidably sleeved on the peripheries of the corresponding guide rods.

Further, the inside fixedly connected with filter in heat dissipation chamber, the equal fixed mounting in four corners position of filter has electric putter, electric putter's output and one side fixed connection of grid board.

Further, one side of the grating plate, which is close to the electric actuator body, is fixedly connected with an annular extension plate, a plurality of heat dissipation holes are formed in the periphery of the annular extension plate, and the periphery of the annular extension plate is in sliding connection with the inner wall of the heat dissipation cavity.

Further, one end of the electric actuator body is provided with an air hole, and the air hole is communicated with the inside of the heat dissipation cavity.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the miniature stepping motor is utilized to drive the screw rod to rotate and enable the movable frame to drive the exhaust fans of two works to move in a circulating and reciprocating mode, so that continuous air circulation at each position in the electric actuator can be achieved, hot air exchange in the electric actuator is facilitated, the heat dissipation effect of the electric actuator is greatly improved, the phenomenon that internal parts are aged or damaged due to the fact that accumulated heat cannot be discharged quickly in the electric actuator is avoided, and the safety and durability of integral use are improved.

(2) According to the scheme, the grid plate can be outwards opened by the electric push rod, the annular extension plate extends out from the radiating cavity, the plurality of radiating holes are formed in the surface of the annular extension plate, the flow of air inside the electric actuator body can be increased, the radiating effect of the electric actuator body is further improved, and the normal use of internal parts is further ensured.

Drawings

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

FIG. 2 is a schematic view of the structure of the utility model in its unfolded configuration;

FIG. 3 is a schematic view of a split structure of the present utility model;

fig. 4 is a schematic structural diagram of a heat dissipating assembly according to the present utility model.

The reference numerals in the figures illustrate:

1. an electric actuator body;

2. a heat dissipation cavity;

3. a grating plate;

4. a heat dissipation assembly; 41. a micro stepping motor; 42. an adjustment assembly; 421. a screw rod; 422. a moving rack; 43. an exhaust fan;

5. a guide rod;

6. a filter plate;

7. an electric push rod;

8. an annular extension plate;

9. a heat radiation hole;

10. and (5) ventilation holes.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, an electric actuator with easy heat dissipation includes an electric actuator body 1, a heat dissipation cavity 2 is provided on one side of the electric actuator body 1, a grid plate 3 is provided at an opening of the heat dissipation cavity 2, and a heat dissipation component 4 is provided inside the heat dissipation cavity 2;

the radiating component 4 comprises a micro stepping motor 41 fixedly installed inside the electric actuator body 1 and an adjusting component 42 arranged between the inner walls of two ends of the radiating cavity 2, an output shaft of the micro stepping motor 41 is connected with the adjusting component 42, two exhaust fans 43 are arranged on the adjusting component 4, and when the radiating component is used, the radiating component 42 can drive the exhaust fans 43 to carry out position adjustment through the arrangement of the micro stepping motor 41 so that the exhaust fans 43 can carry out effective heat removal operation on each position inside the radiating cavity 2, the circulation speed of air is accelerated, and heat generated inside is quickly taken away, so that the radiating effect is greatly improved.

Referring to fig. 4, the adjusting component 42 includes a screw rod 421 rotating between inner walls at two ends of the heat dissipation cavity 2, a moving frame 422 is sleeved on an outer periphery thread of the screw rod 421, and two exhaust fans 43 are fixedly installed on one side of the moving frame 422, when in use, the exhaust fans 43 on the moving frame 422 can be driven to move by controlling the screw rod 421 to rotate forward or backward, so that the exhaust fans 43 can accurately dissipate heat at various positions inside the heat dissipation cavity 2.

Referring to fig. 4, one end of the movable frame 422 is provided with a threaded hole matched with the screw rod 421, and is in threaded connection with the outer periphery of the screw rod 421 through the threaded hole, and when the movable frame is used, the screw rod 421 can be rotated through the matched threaded hole, so that the position of the movable frame 422 can be quickly adjusted.

Referring to fig. 3 and 4, two guide rods 5 are fixedly connected between inner walls at two ends of the heat dissipation cavity 2, the bottoms and the tops of the movable frames 422 are slidably sleeved on the peripheries of the corresponding guide rods 5, and when the electric actuator is used, the movable frames 422 can be guided through the arrangement of the guide rods 5, so that the phenomenon of position deviation can be effectively avoided, and the service life of the electric actuator body 1 pair is prolonged.

Referring to fig. 3, the inside fixedly connected with filter 6 in heat dissipation chamber 2, the equal fixed mounting in four corners position of filter 6 has electric putter 7, electric putter 7's output and one side fixed connection of grid board 3, when using, can outwards open grid board 3 through electric putter 7 for annular extension board 8 extends away from heat dissipation chamber 2, and a plurality of louvre 9 of its surface seting up then can increase the circulation of the inside air of electric actuator body 1, further improves its radiating effect, and then has guaranteed that interior part can normal use.

Referring to fig. 2 and 3, an annular extension plate 8 is fixedly connected to one side of the grid plate 3, which is close to the electric actuator body 1, a plurality of heat dissipation holes 9 are formed in the periphery of the annular extension plate 8, and the periphery of the annular extension plate 8 is slidably connected with the inner wall of the heat dissipation cavity 2, when in use, the circulation of air in the electric actuator body 1 can be increased through the plurality of heat dissipation holes 9 formed in the surface of the annular extension plate 8, the heat dissipation effect of the electric actuator body is further improved, and normal use of internal parts is guaranteed.

Referring to fig. 1, 2 and 3, a vent hole 10 is formed at one end of the electric actuator body 1, the vent hole 10 is communicated with the inside of the heat dissipation cavity 2, and when in use, the air hole 10 is communicated with the inside of the heat dissipation cavity 2, so that ventilation and exchange of air inside and outside can be facilitated.

When in use: the miniature stepping motor 41 is started, the control screw rod 421 rotates forwards or reversely, the exhaust fan 43 on the movable frame 422 can be driven to move in a circulating way, so that the exhaust fan 43 can perform effective heat removal operation on each position inside the heat dissipation cavity 2, the circulation speed of air is accelerated, the heat generated inside is quickly taken away, the heat dissipation effect of the electric actuator is greatly improved, when the heat inside the electric actuator body 1 is further accumulated, the electric push rod 7 can be started, the grid plate 3 is outwards opened, the annular extension plate 8 extends out from the heat dissipation cavity 2, the heat dissipation holes 9 formed in the surface of the annular extension plate can increase the circulation quantity of the air inside the electric actuator body 1, the heat dissipation effect of the electric actuator body is further improved, and the normal use of internal parts is ensured.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. The utility model provides an electric actuator of easy heat dissipation, includes electric actuator body (1), its characterized in that: a heat dissipation cavity (2) is formed in one side of the electric actuator body (1), a grid plate (3) is arranged at the opening of the heat dissipation cavity (2), and a heat dissipation assembly (4) is arranged in the heat dissipation cavity (2);

the heat dissipation assembly (4) comprises a miniature stepping motor (41) fixedly installed inside the electric actuator body (1) and an adjusting assembly (42) arranged between inner walls at two ends of the heat dissipation cavity (2), an output shaft of the miniature stepping motor (41) is connected with the adjusting assembly (42), and two exhaust fans (43) are arranged on the adjusting assembly (42).

2. The electric actuator with easy heat dissipation according to claim 1, wherein: the adjusting component (42) comprises a screw rod (421) rotating between inner walls at two ends of the radiating cavity (2), a movable frame (422) is sleeved on the periphery of the screw rod (421), and two exhaust fans (43) are fixedly arranged on one side of the movable frame (422).

3. The electric actuator with easy heat dissipation according to claim 2, wherein: one end of the movable frame (422) is provided with a threaded hole matched with the screw rod (421), and the movable frame is in threaded connection with the periphery of the screw rod (421) through the threaded hole.

4. The electric actuator with easy heat dissipation according to claim 1, wherein: two guide rods (5) are fixedly connected between the inner walls of the two ends of the heat dissipation cavity (2), and the bottoms and the tops of the movable frames (422) are slidably sleeved on the peripheries of the corresponding guide rods (5).

5. The electric actuator with easy heat dissipation according to claim 1, wherein: the heat dissipation cavity is characterized in that a filter plate (6) is fixedly connected to the inside of the heat dissipation cavity (2), electric push rods (7) are fixedly installed at four corners of the filter plate (6), and the output ends of the electric push rods (7) are fixedly connected with one side of the grating plates (3).

6. The electric actuator with easy heat dissipation according to claim 1, wherein: one side of the grating plate (3) close to the electric actuator body (1) is fixedly connected with an annular extension plate (8), a plurality of heat dissipation holes (9) are formed in the periphery of the annular extension plate (8), and the periphery of the annular extension plate (8) is in sliding connection with the inner wall of the heat dissipation cavity (2).

7. The electric actuator with easy heat dissipation according to claim 1, wherein: one end of the electric actuator body (1) is provided with an air vent (10), and the air vent (10) is communicated with the inside of the heat dissipation cavity (2).