CN213871327U

CN213871327U - Electric actuator convenient to heat dissipation

Info

Publication number: CN213871327U
Application number: CN202023011603.1U
Authority: CN
Inventors: 殷允杰; 郭刚; 陈铜静; 罗兵
Original assignee: Jiangsu Aode Intelligent Control Technology Co ltd
Current assignee: Jiangsu Aode Intelligent Control Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-03
Anticipated expiration: 2030-12-15

Abstract

The utility model belongs to the technical field of electric actuators, and discloses an electric actuator convenient for heat dissipation, which comprises an electric actuator main body, wherein the outer side wall of the electric actuator main body is fixedly connected with a motor chamber, the inner side wall of the motor chamber far away from the electric actuator main body is fixedly provided with a motor, the output end of the motor is rotatably connected with a first connecting shaft, the outer circumferential wall of the first connecting shaft is sleeved with a sleeve, on one hand, the utility model can accelerate the flow velocity of the air flow in the electric actuator by the first blade, the second blade and the third blade when the motor drives the first connecting shaft, the second connecting shaft and a lead screw to rotate by the arrangement of the motor, the first blade, the second blade and the third blade, thereby leading the air flow to take away the temperature in the electric actuator, the heat dissipation effect of the electric actuator is increased.

Description

Electric actuator convenient to heat dissipation

Technical Field

The utility model belongs to the technical field of electric actuator, concretely relates to electric actuator convenient to heat dissipation.

Background

The actuator is an essential important component of an automatic control system. It is used to receive the control signal from the controller and change the size of the controlled medium to maintain the controlled variable at the required value or in certain range. The actuators can be classified into pneumatic, hydraulic and electric according to their energy forms.

The existing electric actuator is lack of heat dissipation equipment, so that heat is accumulated after the electric actuator is used for a long time, and the use of the electric actuator is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric actuator convenient to heat dissipation to solve current electric actuator and because lack the radiator, lead to electric actuator heat accumulation after the live time overlength, thereby influence electric actuator's the problem of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric actuator convenient to heat dissipation, includes the electric actuator main part, the lateral wall fixedly connected with motor room of electric actuator main part, the inside wall fixed mounting that the electric actuator main part was kept away from to the motor room has the motor, the output of motor rotates and is connected with first connecting axle, the outer circumferential wall cover of first connecting axle is equipped with the sleeve, and is three the outer circumferential wall that first connecting axle was kept away from to the sleeve is fixed mounting respectively has first blade, second blade and third blade.

Preferably, the below of electric actuator main part is equipped with the fixed chamber, the inside of fixed chamber is equipped with splint, the both sides of electric actuator main part all are equipped with the handle, two the screw rod has all been welded to the one side that the handle is relative, the through-hole has been seted up to the lateral wall of electric actuator main part, two the through-hole and splint fixed connection are all passed to the one side that the screw rod is relative.

Preferably, a transmission chamber is fixedly mounted on one side, away from the motor chamber, of the electric actuator main body, a valve connecting device is fixedly mounted on both the outer bottom walls of the electric actuator main body and the transmission chamber, and the outer bottom wall of the valve connecting device is fixedly connected with the fixed chamber.

Preferably, the inside of electric actuator main part is equipped with the lead screw, the lateral wall fixed mounting that the electric actuator main part was kept away from to the transmission room has the connection room, the one end fixedly connected with second connecting axle that first connecting axle was kept away from to the lead screw, the outer periphery wall cover of second connecting axle is equipped with the sleeve, the one end fixed mounting that the lead screw was kept away from to the second connecting axle has manually-operated mechanism.

Preferably, a screw transmission pair is arranged in the transmission chamber and matched with the screw.

Preferably, splines are welded on the outer circumferential walls of the first connecting shaft and the second connecting shaft, spline grooves are formed in the sleeve, and the splines are matched with the spline grooves.

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

(1) the utility model discloses an aspect is through the setting of motor and first connecting axle and second connecting axle, and on the other hand passes through the setting of sleeve and first blade, second blade and third blade, can make the motor when driving first connecting axle, second connecting axle and lead screw and rotate, accelerates the velocity of flow of the inside air current of electric actuator through first blade, second blade and third blade to make the air current take away the inside temperature of electric actuator, increased electric actuator's radiating effect.

(2) The utility model discloses an aspect has increased the connection area of valve connecting device and valve through the setting of stationary chamber to solved valve connecting device and valve connection area undersize and leaded to the problem of junction rupture, simultaneously, through the relative distance between two adjustable splint of handle, thereby the centre gripping operation of the valve of compatible multiple different size and size has promoted the connection compatibility of valve connector.

Drawings

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

fig. 2 is a bottom view of the fixing chamber of the present invention;

fig. 3 is a side view of the spline of the present invention;

in the figure: 1. a first blade; 2. a second blade; 3. a third blade; 4. a motor; 5. a motor chamber; 6. a sleeve; 7. a first connecting shaft; 8. a support leg; 9. an electric actuator body; 10. a transmission chamber; 11. a connection chamber; 12. a manual mechanism; 13. a second connecting shaft; 14. a lead screw; 15. a valve connecting device; 16. a fixed chamber; 17. a lead screw transmission pair; 18. a spline; 19. a spline groove; 20. a splint; 21. a screw; 22. a through hole; 23. a handle.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an electric actuator convenient to heat dissipation, including electric actuator main part 9, electric actuator main part 9's lateral wall fixedly connected with motor room 5, the inside wall fixed mounting that electric actuator main part 9 was kept away from to motor room 5 has motor 4, motor 4 adopts the three-phase asynchronous machine that the model is Y90S-2, motor power is 1.2kW, motor speed is 2840 rpm, motor 4 and controller electric connection, motor 4's output rotates and is connected with first connecting axle 7, the outer circumferential wall cover of first connecting axle 7 is equipped with sleeve 6, three sleeve 6 keeps away from the outer circumferential wall of first connecting axle 7 and is fixed mounting respectively first blade 1, second blade 2 and third blade 3.

Further, the below of electric actuator main part 9 is equipped with stationary chamber 16, and the inside of stationary chamber 16 is equipped with splint 20, and the both sides of electric actuator main part 9 all are equipped with handle 23, and screw rod 21 has all been welded to two 23 relative one sides of handle, and through-hole 22 has been seted up to the lateral wall of electric actuator main part 9, and through-hole 22 and splint 20 fixed connection are all passed to two 21 relative one sides of screw rod, and the fastening operation of valve can be realized to splint 20.

Further, one side fixed mounting that electric actuator main part 9 kept away from motor room 5 has transmission chamber 10, and the equal fixed mounting of the outer diapire of electric actuator main part 9 and transmission chamber 10 has valve connecting device 15, and valve connecting device 15's outer diapire and fixed room 16 fixed connection can carry out the fixed of valve through fixed room 16 to strengthen the connection effect of valve connecting device 15 and valve.

Furthermore, a lead screw 14 is arranged inside the electric actuator body 9, a connecting chamber 11 is fixedly mounted on the outer side wall of the transmission chamber 10 far away from the electric actuator body 9, a second connecting shaft 13 is fixedly connected to one end, far away from the first connecting shaft 7, of the lead screw 14, a sleeve 6 is sleeved on the outer circumferential wall of the second connecting shaft 13, a manual mechanism 12 is fixedly mounted on one end, far away from the lead screw 14, of the second connecting shaft 13, and the manual mechanism 12 can manually drive the second connecting shaft 13 and the lead screw 14 to rotate.

Specifically, a screw transmission pair 17 is arranged in the transmission chamber 10, the screw transmission pair 17 is matched with the screw 14, and the electric actuator can operate through the matching connection of the screw transmission pair 17 and the screw 14.

It is worth to say that splines 18 are welded on the outer circumferential walls of the first connecting shaft 7 and the second connecting shaft 13, spline grooves 19 are formed in the sleeve 6, the splines 18 are matched with the spline grooves 19, and the connection strength between the sleeve 6 and the first connecting shaft 7 and the connection strength between the sleeve 6 and the second connecting shaft 13 can be enhanced through the matching relationship between the splines 18 and the spline grooves 19.

The utility model discloses a theory of operation and use flow: before the electric actuator is used, the first drive controller drives the motor 4 to rotate, the motor 4 drives the first connecting shaft 7 to rotate, and then one end of the first connecting shaft 7, which is far away from the motor 4, is fixedly connected with the lead screw 14, and one end of the lead screw 14, which is far away from the first connecting shaft 7, is fixedly connected with the second connecting shaft 13, so that when the motor 4 rotates, the first blade 1, the second blade 2 and the third blade 3 which are connected with the first connecting shaft 7 can synchronously rotate, and the first blade 1, the second blade 2 and the third blade 3 which are connected with the second connecting shaft 13 can synchronously rotate, and at the moment, the flow velocity of airflow in the electric actuator is accelerated, and the heat dissipation effect of the electric actuator is realized;

in the process of heat dissipation operation of the electric actuator, due to the arrangement of the fixing chamber 16, in the process of connecting operation of the valve connecting device 15 and the valve, the connecting area of the valve connecting device 15 and the valve can be increased, so that the problem of breakage of a connecting part caused by over-small connecting area of the valve connecting device 15 and the valve is solved, meanwhile, the relative distance between the two clamping plates 20 can be adjusted through the handle 23, the clamping operation of valves with different sizes and sizes can be compatible, and the connection compatibility of the valve connector is improved.

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. An electric actuator convenient for heat dissipation, comprising an electric actuator body (9), characterized in that: lateral wall fixedly connected with motor room (5) of electric actuator main part (9), the inside wall fixed mounting that electric actuator main part (9) were kept away from in motor room (5) has motor (4), the output of motor (4) rotates and is connected with first connecting axle (7), the outer circumferential wall cover of first connecting axle (7) is equipped with sleeve (6), and is three the outer circumferential wall that first connecting axle (7) were kept away from in sleeve (6) is fixed mounting respectively has first blade (1), second blade (2) and third blade (3).

2. An electric actuator for facilitating heat dissipation as set forth in claim 1, wherein: the utility model discloses a motor vehicle electric actuator, including electric actuator main part (9), the below of electric actuator main part (9) is equipped with stationary chamber (16), the inside of stationary chamber (16) is equipped with splint (20), the both sides of electric actuator main part (9) all are equipped with handle (23), two screw rod (21) have all been welded to one side that handle (23) are relative, through-hole (22), two have been seted up to the lateral wall of electric actuator main part (9) one side that screw rod (21) are relative all passes through-hole (22) and splint (20) fixed connection.

3. An electric actuator for facilitating heat dissipation as set forth in claim 2, wherein: one side, far away from motor room (5), of electric actuator main part (9) is fixedly provided with transmission chamber (10), the outer bottom wall of electric actuator main part (9) and transmission chamber (10) is fixedly provided with valve connecting device (15), and the outer bottom wall of valve connecting device (15) is fixedly connected with fixed chamber (16).

4. An electric actuator for facilitating heat dissipation as set forth in claim 3, wherein: the inside of electric actuator main part (9) is equipped with lead screw (14), the lateral wall fixed mounting that electric actuator main part (9) were kept away from in transmission room (10) has connection room (11), the one end fixedly connected with second connecting axle (13) of first connecting axle (7) are kept away from in lead screw (14), the outer circumferential wall cover of second connecting axle (13) is equipped with sleeve (6), the one end fixed mounting that lead screw (14) were kept away from in second connecting axle (13) has manually-operated mechanism (12).

5. An electric actuator for facilitating heat dissipation as set forth in claim 4, wherein: the inside of transmission room (10) is equipped with screw drive pair (17), screw drive pair (17) and lead screw (14) phase-match.

6. An electric actuator for facilitating heat dissipation as set forth in claim 5, wherein: spline (18) have all been welded to the outer periphery wall of first connecting axle (7) and second connecting axle (13), spline groove (19) have been seted up to the inside of sleeve (6), spline (18) and spline groove (19) phase-match.