CN214756128U

CN214756128U - Step driver

Info

Publication number: CN214756128U
Application number: CN202120522467.8U
Authority: CN
Inventors: 李富鹏
Original assignee: Jinan Qingsheng Automation Technology Co ltd
Current assignee: Jinan Qingsheng Automation Technology Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-16
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a step driver, which comprises an outer shell, the right-hand member all is provided with the thermovent about the shell, the shell inlayer is provided with the dust screen, the shell bottom is provided with the fin, fin top rear side fixedly connected with supporting seat, the fin top left and right sides all is provided with the slide rail, sliding connection has the protection casing on the slide rail, supporting seat left and right sides top all is provided with the cavity, equal fixedly connected with spring on the inner wall of cavity top. The utility model discloses in, through the dust screen between shell and the installation layer, prevent that the dust from entering on the circuit board in the shell, be provided with the thermovent on the shell simultaneously, the supporting layer adopts network structure cooperation fin to make the holistic heat dispersion of step driver improve greatly, prevents through the detachable protection casing that step driver from receiving external force and damaging to promote step motor's life, be worth wideling popularize.

Description

Step driver

Technical Field

The utility model relates to a and driver technical field especially relate to a step driver.

Background

The step driver is an actuating mechanism for converting electric pulse into angular displacement, when the step driver receives a pulse signal, it drives the step motor to rotate a fixed angle (called "step angle") according to the set direction, and its rotation is operated step by step at the fixed angle, and can control the angular displacement by controlling the number of pulses so as to attain the goal of accurate positioning, and at the same time can control the rotating speed and acceleration of the motor by controlling pulse frequency so as to attain the goal of speed regulation and positioning.

The traditional stepping driver is not enough in aspects of dust prevention, heat dissipation and protection, so that the service life of the stepping driver is greatly shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a stepping driver.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a step driver, includes the shell, the shell left and right ends all is provided with the thermovent, the shell inlayer is provided with the dust screen, the dust screen inlayer is provided with the supporting layer, the equal fixedly connected with installation ear in shell left and right ends bottom, the shell bottom is provided with the fin, fin top rear side fixedly connected with supporting seat, the fin top left and right sides all is provided with the slide rail, sliding connection has the protection casing on the slide rail, protection casing rear end fixedly connected with mounting, supporting seat left and right sides top all is provided with the cavity, equal fixedly connected with spring on the inner wall of cavity top, the equal fixed connection slider in spring bottom, the equal fixedly connected with connecting rod of slider top center department.

As a further description of the above technical solution:

and screw holes are formed in the same positions of the mounting lugs and the radiating fins.

As a further description of the above technical solution:

the supporting layer is of a net structure.

As a further description of the above technical solution:

the supporting seat left and right sides all is provided with the mounting hole.

As a further description of the above technical solution:

the sliding block is connected with the cavity in a sliding mode.

As a further description of the above technical solution:

a handle is arranged above the supporting seat, and the handle is fixedly connected with the connecting rod.

As a further description of the above technical solution:

and input and output ports are arranged on the left side and the right side of the front end of the shell.

The utility model discloses following beneficial effect has:

the utility model discloses in, through the dust screen between shell and the supporting layer, prevent that the dust from entering on the circuit board in the shell, be provided with the thermovent on the shell simultaneously, the supporting layer adopts network structure cooperation fin to make the holistic heat dispersion of step driver improve greatly, prevents through the detachable protection casing that step driver from receiving external force and damaging to promote step motor's life, be worth wideling popularize.

Drawings

Fig. 1 is a perspective view of a step driver according to the present invention;

fig. 2 is a cross-sectional view of the housing of the step driver according to the present invention;

fig. 3 is a cross-sectional view of a support seat in a step driver according to the present invention;

fig. 4 is a perspective view of the stepping driver in another direction according to the present invention.

Illustration of the drawings:

1. a housing; 2. a dust screen; 3. a support layer; 4. a heat dissipation port; 5. mounting lugs; 6. a screw hole; 7. a heat sink; 8. a supporting seat; 9. a protective cover; 10. a slide rail; 11. a fixing member; 12. mounting holes; 13. A handle; 14. a cavity; 15. a spring; 16. a slider; 17. an input-output port; 18. a connecting rod.

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 of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a stepping driver comprises a shell 1, wherein heat dissipation ports 4 are arranged at the left end and the right end of the shell 1, a dustproof net 2 is arranged at the inner layer of the shell 1, a supporting layer 3 is arranged at the inner layer of the dustproof net 2, mounting lugs 5 are fixedly connected at the bottom of the left end and the right end of the shell 1, a heat dissipation sheet 7 is arranged at the bottom end of the shell 1, a supporting seat 8 is fixedly connected at the rear side of the top end of the heat dissipation sheet 7, slide rails 10 are arranged at the left side and the right side of the top end of the heat dissipation sheet 7, a protective cover 9 is slidably connected on the slide rails 10, a fixing part 11 is fixedly connected at the rear end of the protective cover 9, cavities 14 are arranged at the top parts of the left side and the right side of the supporting seat 8, springs 15 are fixedly connected on the inner walls at the top ends of the cavities 14, sliders 16 are fixedly connected at the bottom ends of the springs 15, connecting rods 18 are fixedly connected at the centers of the tops of the sliders 16, when the stepping driver needs to be used, a handle 13 is pulled upwards, the handle 13 drives the sliders 16 fixedly connected with the connecting rods 18 to move upwards and extrude the springs 15, after pulling a certain position, protection casing 9 can be at the last motion of slide rail 10, after taking off protection casing 9, connect the motor line after, when installing protection casing 9, stimulate handle 13 again and promote slider 16 and make it leave mounting hole 12 after, promote protection casing 9 slide rail 10 and go up the motion, after mounting 11 moves to mounting hole 12, loosen handle 13, spring 15 resets, slider 16 gets back to mounting hole 12 department again, protection casing 9 is fixed thereupon, the while dust screen 2 of shell 1 inlayer can completely cut off the harm of outside dust to the circuit board.

Screw holes 6 are arranged at the same position on the mounting lugs 5 and the radiating fins 7, the supporting layer 3 is of a reticular structure, mounting holes 12 are arranged on the left side and the right side of the supporting seat 8, a sliding connection is formed between the sliding block 16 and the cavity 14, a handle 13 is arranged above the supporting seat 8, the handle 13 is fixedly connected with the connecting rod 18, input and output ports 17 are arranged on the left side and the right side of the front end of the shell 1, dust is prevented from entering a circuit board in the shell through the dustproof net 2 between the shell 1 and the supporting layer 3, meanwhile, the radiating holes 4 are arranged on the shell 1, the supporting layer 3 adopts the reticular structure to be matched with the radiating fins 7 to greatly improve the overall radiating performance of the stepping driver, the position of the sliding block 16 is controlled through the spring 15, the dismounting and mounting of the protective cover 8 are conveniently and simply realized, the protective cover 8 can protect the stepping driver from being damaged by external force, thereby prolonging the service life of the stepping motor, is worthy of being widely popularized.

The working principle is as follows: when the stepping driver needs to be used, firstly, the handle 13 is pulled upwards, the handle 13 drives the sliding block 16 fixedly connected with the connecting rod 18 to move upwards and extrude the spring 15, after the stepping driver is pulled to a certain position, the protective cover 9 can move on the sliding rail 10, after the protective cover 9 is taken down, the electric wire is connected as required, when the protective cover 9 is installed, the handle 13 is pulled again to lift the sliding block 16 to enable the sliding block 16 to leave the installation hole 12 and extrude the spring 15, the sliding rail 10 of the protective cover 9 is pushed to move upwards, after the fixing piece 11 moves to the installation hole 12, the handle 13 is loosened, the spring 15 resets and pushes the sliding block 16 to return to the installation hole 12 again, the protective cover 9 is fixed therewith, the protective cover 9 can prevent the stepping driver from being damaged by external force when the stepping driver is used, meanwhile, the dustproof net 2 on the inner layer of the shell 1 can isolate the circuit board from being damaged by external dust, the radiating holes 4 arranged on the left end and the right end of the shell 1 and the radiating fins 7 on the bottom of the shell greatly improve the radiating capability of the stepping driver Therefore, the stepping motor can work for a long time, and the service life of the stepping motor is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A stepper driver comprising a housing (1), characterized in that: the heat dissipation device is characterized in that the left end and the right end of the shell (1) are respectively provided with a heat dissipation port (4), the inner layer of the shell (1) is provided with a dust screen (2), the inner layer of the dust screen (2) is provided with a supporting layer (3), the bottoms of the left end and the right end of the shell (1) are respectively and fixedly connected with an installation lug (5), the bottom of the shell (1) is provided with a heat dissipation fin (7), the rear side of the top end of the heat dissipation fin (7) is fixedly connected with a supporting seat (8), the left side and the right side of the top end of the heat dissipation fin (7) are respectively provided with a sliding rail (10), the sliding rail (10) is slidably connected with a protective cover (9), the rear end of the protective cover (9) is fixedly connected with a fixing part (11), the tops of the left side and the right side of the supporting seat (8) are respectively provided with a cavity (14), the inner wall of the top end of the cavity (14) is respectively and fixedly connected with a spring (15), the bottom end of the spring (15) is respectively and fixedly connected with a sliding block (16), the center of the top end of the sliding block (16) is fixedly connected with a connecting rod (18).

2. A stepper driver as defined in claim 1, wherein: and screw holes (6) are formed in the same positions of the mounting lugs (5) and the radiating fins (7).

3. A stepper driver as defined in claim 1, wherein: the supporting layer (3) is of a net structure.

4. A stepper driver as defined in claim 1, wherein: the left side and the right side of the supporting seat (8) are provided with mounting holes (12).

5. A stepper driver as defined in claim 1, wherein: the sliding block (16) is in sliding connection with the cavity (14).

6. A stepper driver as defined in claim 1, wherein: a handle (13) is arranged above the supporting seat (8), and the handle (13) is fixedly connected with the connecting rod (18).

7. A stepper driver as defined in claim 1, wherein: and input and output ports (17) are arranged on the left side and the right side of the front end of the shell (1).