CN217388442U

CN217388442U - Linear actuator

Info

Publication number: CN217388442U
Application number: CN202221162462.XU
Authority: CN
Inventors: 孙杰; 朱卫东
Original assignee: Jiangsu Gian Technology Co Ltd
Current assignee: Jiangsu Gian Technology Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-06
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to a linear actuator, which is provided with a box body, a slider base which can clamp a pull wire and drive the pull wire to slide is arranged in the box body, a driving device which drives the sliding base to slide is arranged in the box body, a touch switch is also arranged in the box body, a touch block is arranged on the slider base and is connected with the touch switch in an induction way, the driving device comprises a motor, a reduction gear set and a lead screw, the output end of the motor is connected with the driving wheel of the reduction gear set in a transmission way, the driven wheel of the reduction gear set is fixedly connected with one end of the lead screw, a lead screw passageway and a nut slider are arranged on the slider base, one end of the lead screw passageway is connected and communicated with the nut slider, and the other end of the lead screw passageway is fixedly connected with the slider base; a sliding guide groove is also formed in the sliding block base, and a guide strip in sliding fit with the sliding guide groove is arranged in the box body; the utility model discloses can carry out the auto-lock of acting as go-between, the easy change of acting as go-between, the execution speed is fast, and is high-efficient convenient, and the internals can be dismantled, conveniently changes the maintenance.

Description

Linear actuator

Technical Field

The utility model relates to a linear actuator.

Background

After the linear actuator and other devices work together, the linear actuator has important functions in many fields, the linear actuator is suitable for many types of applications, including mechanical linkage control and other applications such as picking and placing, pressing, stamping graduator, conveyor steering, numerical control milling, laser cutting, welding, measuring, moving door and the like, each application has unique requirements, the specific type of actuator can well meet the requirements, the unique requirements are based on basic linear reciprocating motion, the conventional linear reciprocating motion is generally characterized in that the output end of a motor is connected with a screw rod through a pair of couplings or bearing seats, the rotation of the motor is converted into the linear motion of the screw rod through the screw rod, the screw rod drives a pull wire to carry out the linear motion, the mechanism has larger space, the mechanical structure is not closed enough and only can carry out single linear reciprocating motion, the motion can not be stopped automatically when needed, and the stopping of the motion needs to be controlled manually, which can cause great loss when the stopping is not timely.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a linear actuator, it is easy to change to act as go-between, and the execution speed is fast, maintains simply, can act as go-between the auto-lock.

Realize the utility model discloses the technical scheme of purpose is: the utility model discloses have the box, be equipped with in the box and clamp the acting as go-between and drive the gliding slider base of acting as go-between, be equipped with the gliding drive arrangement of drive slider base in the box, still be equipped with touch switch in the box, the slider base on be equipped with touch block, touch block and touch switch response cooperation.

Furthermore, the driving device comprises a motor, a reduction gear box and a screw rod, the output end of the motor is in transmission connection with the input end of the reduction gear set, and the output end of the reduction gear set is in rotation connection with the screw rod.

Furthermore, the motor is arranged in parallel with the screw rod.

Furthermore, a screw rod passageway and a nut sliding block are arranged on the sliding block base, one end of the screw rod passageway is connected and communicated with the nut sliding block, the other end of the screw rod passageway is fixedly connected with the sliding block base, and the nut sliding block is in transmission connection with the screw rod; the sliding guide groove is further formed in the sliding block base, and a guide strip in sliding fit with the sliding guide groove is arranged in the box body.

Furthermore, a clamping groove is formed in the slider base, a clamping block is arranged in the clamping groove, a guide passageway is formed in the box body, the guide passageway and the clamping groove are coaxially arranged, one end of the pull wire is fixedly connected with the clamping block, and the other end of the pull wire penetrates through the guide passageway.

Furthermore, the nut sliding block is provided with a sliding block, and the box body is provided with a sliding chute which is in sliding fit with the sliding block.

Furthermore, a fixing rod is further arranged on the box body, one end of the guide strip is connected with the fixing rod, and the other end of the guide strip is fixedly connected with the box body.

Furthermore, the box body is provided with an end cover for supporting the motor.

The utility model discloses has positive effect: (1) the utility model discloses a box is equipped with the slider base in, drive arrangement, touch switch, and drive arrangement drive slider base is flexible, makes the acting as go-between carry out linear motion; be equipped with touch block on the slider base, touch block and touch switch response cooperation, touch switch control motor's switch makes the utility model discloses receive touch switch's control can accomplish the auto-lock of acting as go-between.

(2) The utility model discloses drive arrangement contains motor, reduction gear group and lead screw, and the output drive reduction gear group of motor rotates, degrades the transmission lead screw for the velocity of motion of acting as go-between can not be too fast or too slow, relatively at the uniform velocity.

(3) The utility model discloses be equipped with lead screw passageway and nut slider on the slider base, the nut slider is connected with the lead screw transmission, and the lead screw passageway can guarantee that during operation, the lead screw has sufficient working space, and the nut slider can act with the lead screw transmission, makes the nut slider slide on the lead screw; still be equipped with the slip guide way on the slider base, be equipped with in the box with slip guide way sliding fit's gib block the utility model discloses during operation, the slider base can lead spacingly on its slip way, prevents simultaneously that the lead screw from rotating and drives the synchronous rotation of slider base.

(4) The utility model discloses a nut slider fixed connection lead screw passageway, lead screw passageway and box sliding connection, when the nut slider slides on the lead screw, drive the slider base and move together.

(5) The utility model discloses a be equipped with on the slider base and clamp the groove, clamp the inslot and be equipped with and clamp the piece, be equipped with the direction passageway on the box, the direction passageway with clamp the coaxial setting in groove, the one end of acting as go-between clamps the inslot, the other end of acting as go-between passes the direction passageway, the material in direction passageway is rubber, can make and act as go-between and reduce the friction in the direction passageway, the direction passageway can lead for acting as go-between, makes its direction can not take place the skew.

(6) The utility model discloses a be equipped with the sliding block on the nut slider, be equipped with on the box and carry out sliding fit's spout with the sliding block, sliding block and spout sliding fit further ensure that the slider base can not take place to rotate when the lead screw rotates.

(7) The utility model discloses a still be equipped with the dead lever on the box, the one end and the dead lever of gib block are connected, and the other end and the box of gib block are connected, and the gib block can cooperate with the sliding guide way of slider base for the slider base can slide at the extending direction of gib block, and because the length of gib block is injectd, the slider base also can be injectd the distance on the way sliding.

(8) The utility model discloses a be equipped with the end cover between motor and the box, the end cover is in the utility model discloses the during operation can stabilize the position of motor, makes it can not rock.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is an external structure diagram of the present invention;

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

FIG. 3 is a cross-sectional view of the slider base of the present invention;

FIG. 4 is a cross-sectional view of the motor of the present invention;

fig. 5 is a schematic structural diagram of the slider base of the present invention.

Detailed Description

See fig. 1, the utility model discloses having box 1, being equipped with in the box 1 and clamping the slide slider base 2 of acting as go-between and drive, being equipped with the gliding drive arrangement 3 of drive slider base 2 in the box 1, still being equipped with touch switch 4 in the box 1, slider base 2 on be equipped with and touch piece 21, touch piece 21 and touch switch 4 response cooperation.

Further, the driving device 3 comprises a motor 31, a reduction gear box and a screw rod 34, an output end 33 of the motor 31 is in transmission connection with an input end 32 of the reduction gear set, and an output end 33 of the reduction gear set is in rotation connection with the screw rod 34.

Further, the motor 31 is arranged in parallel with the screw rod 34.

Further, a lead screw passageway 22 is formed in the slider base 2, a nut slider 23 is arranged in the lead screw passageway 22, one end of the lead screw passageway 22 is connected and communicated with the nut slider 23, the other end of the lead screw passageway 22 is fixedly connected with the slider base 2, a sliding guide groove 24 is further formed in the slider base 2, and a guide strip 11 in sliding fit with the sliding guide groove 24 is arranged in the box body 1.

Further, a clamping groove 25 is formed in the slider base 2, a clamping block 27 is arranged in the clamping groove 25, a guide passageway 26 is formed in the box body 1, the guide passageway 26 and the clamping groove 25 are coaxially arranged, one end of a pull wire is fixedly connected with the clamping block 27, and the other end of the pull wire penetrates through the guide passageway 26.

Furthermore, a sliding block 28 is arranged on the nut sliding block 23, and a sliding groove 12 which is in sliding fit with the sliding block 28 is arranged on the box body 1.

Furthermore, a fixing rod is further arranged on the box body 1, one end of the guide strip 11 is connected with the fixing rod, and the other end of the guide strip 11 is fixedly connected with the box body 1.

Further, the box 1 is provided with an end cover 13 for supporting the motor 31.

The utility model discloses a theory of operation: use the utility model discloses the time, rotation through motor 31, input 32 in the output drive reduction gear group of motor 31 rotates, input 32 transmission output 33 rotates, output 33's rotation drives lead screw 34 and rotates, nut slider 23 transmission is connected on lead screw 34, when lead screw 34 rotates, nut slider 23 takes place to remove,

nut slider

23 and 2 fixed connection of slider base, nut slider 23 drives 2 synchronous motion of slider base, the acting wire clamps in slider base 2, the acting wire removes along with slider base 2, the last contact block 21 of slider base is along with 2 synchronous motion of slider base, the rotation and the stopping of motor 31 are decided to the position relation through contact block 21 and touch switch 4.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A linear actuator is provided with a box body (1); the method is characterized in that: the pull wire box is characterized in that a sliding block base (2) capable of clamping a pull wire and driving the pull wire to slide is arranged in the box body (1), a driving device (3) for driving the sliding block base (2) to slide is arranged in the box body (1), a touch switch (4) is further arranged in the box body (1), a touch block (21) is arranged on the sliding block base (2), and the touch block (21) is in induction fit with the touch switch (4).

2. A linear actuator as claimed in claim 1, wherein: the driving device (3) comprises a motor (31), a reduction gear box and a screw rod (34), the output end of the motor (31) is in transmission connection with the input end (32) of the reduction gear set, and the output end (33) of the reduction gear set is in rotation connection with the screw rod (34).

3. A linear actuator as claimed in claim 2, wherein: the motor (31) is arranged in parallel with the screw rod (34).

4. A linear actuator as claimed in claim 2, wherein: the sliding block base (2) is provided with a screw rod passageway (22) and a nut sliding block (23), one end of the screw rod passageway (22) is connected and communicated with the nut sliding block (23), the other end of the screw rod passageway (22) is fixedly connected with the sliding block base (2), and the nut sliding block (23) is in transmission connection with a screw rod (34); the sliding block base (2) is also provided with a sliding guide groove (24), and a guide strip (11) which is in sliding fit with the sliding guide groove (24) is arranged in the box body (1).

5. A linear actuator as claimed in claim 1, wherein: the slide block base (2) is provided with a clamping groove (25), a clamping block (27) is arranged in the clamping groove (25), the box body (1) is provided with a guide passageway (26), the guide passageway (26) and the clamping groove (25) are coaxially arranged, one end of a pull wire is fixedly connected with the clamping block (27), and the other end of the pull wire penetrates through the guide passageway (26).

6. A linear actuator according to claim 4, wherein: nut slider (23) on be equipped with sliding block (28), be equipped with on box (1) and carry out sliding fit's spout (12) with sliding block (28).

7. A linear actuator according to claim 4, wherein: the box body (1) is further provided with a fixed rod, one end of the guide strip (11) is connected with the fixed rod, and the other end of the guide strip (11) is fixedly connected with the box body (1).

8. A linear actuator as claimed in claim 2, wherein: the box body (1) is provided with an end cover (13) for supporting the motor (31).