Motor six-column switch upper shell structure

Abstract

The utility model relates to the technical field of switch upper shells, in particular to a motor six-column switch upper shell structure which comprises an upper shell, a mounting groove is formed in the bottom of the upper shell, a plurality of positioning plates are fixedly connected to the inner wall of the mounting groove, each positioning plate comprises a limiting part, a connecting part, an extruding part and a guiding part, the limiting parts are perpendicular to the connecting parts, and the extruding parts are arranged on the connecting parts. According to the device, the four sides of the top of the circuit board are extruded through the plurality of positioning plates, at the moment, the guide part can slide along the side wall of the circuit board, the extruded extrusion part is bent along the bending seam, when the circuit board is in contact with the rubber block at the bottom of the limiting part, the circuit board is prevented from falling off, and the circuit board is prevented from falling off. And under the elastic action of the elastic sheet, the extrusion part extrudes the side wall of the circuit board towards the inner side to fix the circuit board again, so that circuit board shaking caused by long-time vibration of the motor can be effectively reduced, and electronic components on the circuit board are protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch upper shell technical field more specifically, relate to a motor six -column switch upper shell structure. BACKGROUND

[0002] Motor six -column switch is a kind of switch equipment specially designed for controlling motor start, stop and steering. Motor six -column switch is usually equipped with six binding posts for connecting the power line, start line, stop line and steering control line of motor. These binding posts usually adopt standard threaded interface, which is convenient for firm connection with wire.

[0003] Motor six -column switch shell is composed of upper cover and box body, circuit board is installed in the box body by clamping, the box body is sealed by upper cover, and then circuit board is protected, however, the way of fixing circuit board by the clamping structure in the box body alone will cause circuit board to shake due to long vibration of motor, causing electronic component failure, therefore a motor six -column switch upper shell structure. UTILITY MODEL CONTENTS

[0004] Based on the above-mentioned technical problem that motor six -column switch shell is composed of upper cover and box body, circuit board is installed in the box body by clamping, the box body is sealed by upper cover, and then circuit board is protected, however, the way of fixing circuit board by the clamping structure in the box body alone will cause circuit board to shake due to long vibration of motor, causing electronic component failure, the utility model provides a motor six -column switch upper shell structure.

[0005] The utility model provides a motor six -column switch upper shell structure, including upper shell, the upper shell bottom is equipped with the installation groove, the installation groove inner wall is fixedly connected with a plurality of positioning plate;

[0006] The positioning plate includes limiting portion, connecting portion, extrusion part and guide portion, the limiting portion and connecting portion are perpendicular to each other, the limiting portion and connecting portion bottom are connected with extrusion part respectively, the extrusion part bottom is connected with guide portion, the guide portion is connected in inclined shape, the limiting portion, connecting portion, extrusion part and guide portion are integrally formed structure.

[0007] Preferably, the limiting portion bottom is fixedly connected with rubber block, the rubber block is semicircular structure, the rubber block arc wall bottom is plane structure.

[0008] Preferably, the connecting portion outer wall is fixedly connected with elastic sheet, the other end of the elastic sheet is fixedly connected with extrusion part, and the elastic sheet is arc structure.

[0009] Preferably, a curved slot is arranged at the joint of the limiting part, the connecting part and the extruding part, the curved slot is a semicircular structure, and a curved slot is arranged on the inner wall of the curved slot.

[0010] Preferably, a guiding surface is arranged on one side of the extruding part close to the rubber block, and a connecting curved surface is arranged at the joint of the guiding surface and the guiding part.

[0011] Preferably, an arc end is arranged at the end of the guiding part.

[0012] Preferably, a plurality of wire holes are arranged on the top of the upper shell, two center holes are arranged on the top of the upper shell, and arc corners are arranged at the four corners of the upper shell.

[0013] Preferably, a limiting convex part is arranged on the outer wall of the bottom of the upper shell.

[0014] Preferably, a plurality of positioning convex parts are arranged on the inner wall of the upper shell, and a positioning hole is arranged at the bottom of each positioning convex part.

[0015] By the above technical scheme, the utility model has the advantages of:

[0016] 1. In the utility model, after the circuit board is fixed in the box body by the clamping mode, the upper shell is buckled on the top of the box body, the circuit board is extruded by the plurality of positioning plates on the four sides of the top of the circuit board, the guiding part can slide along the side wall of the circuit board, and the circuit board can slide along the guiding part to the extruding part, the extruding part is bent along the curved slot, the circuit board is extruded by the extruding part to the inside when the circuit board contacts the rubber block at the bottom of the limiting part under the elastic force of the elastic sheet, the circuit board is fixed again by the positioning plate, the design can effectively reduce the shaking of the circuit board caused by the long vibration of the motor, and the electronic components on the circuit board are protected.

[0017] 2. In the utility model, the guiding surface on the extruding part can limit the circuit board, the circuit board is prevented from sliding out of the inside of the extruding part, the elastic sheet can increase the elastic force of the extruding part, and the fixing effect of the circuit board is improved. ACCURATE DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a local structure schematic view of the upper shell in the utility model;

[0020] Figure 3 It is a local enlarged schematic view of A in the utility model; Figure 2

[0021] ​Figure 4 It is the structural schematic view of the positioning plate in the utility model.

[0022] In the figure: 1, upper shell; 2, wiring hole; 3, center hole; 4, arc angle; 5, mounting groove; 6, positioning plate; 601, limiting part; 602, connecting part; 603, extrusion part; 604, guide part; 605, rubber block; 606, bending groove; 607, bending seam; 608, arc end; 609, elastic sheet; 610, guide surface; 611, connecting curved surface; 7, positioning convex part; 8, positioning hole; 9, limiting convex part; 10, chamfer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] As shown in Figure 1 , Figure 2 and Figure 4 , an upper shell structure of a motor six-column switch includes an upper shell 1, the length of the upper shell 1 is 44mm, the width of the upper shell 1 is 22mm, the height of the upper shell 1 is 9mm, a mounting groove 5 is formed in the bottom of the upper shell 1, and a plurality of positioning plates 6 are fixedly connected to the inner wall of the mounting groove 5.

[0025] The positioning plate 6 includes a limiting part 601, a connecting part 602, an extrusion part 603 and a guide part 604, the limiting part 601 and the connecting part 602 are perpendicular to each other, the limiting part 601 and the connecting part 602 are respectively connected to the extrusion part 603 at the bottom, the extrusion part 603 is connected to the guide part 604 at the bottom, the guide part 604 is connected in an inclined manner, and the limiting part 601, the connecting part 602, the extrusion part 603 and the guide part 604 are integrally formed.

[0026] As shown in Figure 4 , the limiting part 601 is fixedly connected to a rubber block 605 at the bottom, the rubber block 605 is a semicircular structure, and the bottom of the circular arc wall of the rubber block 605 is a planar structure.

[0027] As shown in Figure 4 , the connecting part 602 is fixedly connected to an elastic sheet 609 at the outer wall, the other end of the elastic sheet 609 is fixedly connected to the extrusion part 603, the elastic sheet 609 is an arc-shaped structure, under the elastic force of the elastic sheet 609, the extrusion part 603 produces extrusion to the side wall of the circuit board to the inside, so that the positioning plate 6 can fix the circuit board again; the elastic sheet 609 can increase the elastic force of the extrusion part 603, thereby improving the fixing effect on the circuit board.

[0028] As shown in Figure 4 , the connecting part 602 and the extrusion part 603 are connected with the limiting part 601, and a curved groove 606 is arranged at the connecting position of the limiting part 601, the connecting part 602 and the extrusion part 603. The curved groove 606 is a semicircular structure, and a curved slot 607 is arranged on the inner wall of the curved groove 606.

[0029] As shown in Figure 4 , the extrusion part 603 is arranged with a guide surface 610 on the side close to the rubber block 605, and a connecting curved surface 611 is arranged at the connecting position of the guide surface 610 and the guide part 604. The guide surface 610 on the extrusion part 603 can limit the circuit board, so as to avoid the circuit board from sliding out of the inner side of the extrusion part 603.

[0030] As shown in Figure 4 , the guide part 604 is arranged with an arc end 608 at the end. The arrangement of the arc end 608 can avoid the circuit board from generating violent friction with the guide part 604 when the upper shell 1 is installed on the top of the box body, so as to avoid scratches on the surface of the circuit board.

[0031] As shown in Figure 1 , the upper shell 1 is arranged with a plurality of wiring holes 2 on the top. The wiring holes 2 are six in number, and three of the six wiring holes are arranged in a group. Two groups of wiring holes 2 are symmetrically arranged on the two sides of the top of the upper shell 1. The wiring holes 2 are fixedly inserted with wiring posts. The upper shell 1 is arranged with two center holes 3 on the top. The spacing between the two center holes 3 is 16 mm. The center holes 3 are used for mounting bolts. The bolts are inserted into the center holes 3, and the bolts are connected with the box body. The upper shell 1 is arranged with arc corners 4 at the four corners.

[0032] As shown in Figure 1 and Figure 3 , the upper shell 1 is arranged with a limiting convex part 9 on the bottom. The outer wall of the limiting convex part 9 is arranged with a chamfer 10. The top of the box body is arranged with a groove matched with the limiting convex part 9, which is used for quickly connecting the upper shell 1 with the box body.

[0033] As shown in Figure 1 and Figure 3 , the inner wall of the upper shell 1 is arranged with a plurality of positioning convex parts 7. The positioning convex parts 7 are arranged with positioning holes 8 at the bottom. The positioning holes 8 are used for connecting with the positioning posts on the top of the box body, so as to realize the positioning and installation of the upper shell 1.

[0034] Working principle: after the circuit board is fixed in the box body by clamping, the upper shell 1 is buckled on the top of the box body, the four sides of the top of the circuit board are extruded by the plurality of positioning plates 6, the guide part 604 can slide along the side wall of the circuit board, and the circuit board can slide along the guide part 604 to the extrusion part 603, the extrusion part 603 subjected to extrusion is bent at the curved seam 607, when the circuit board contacts the rubber block 605 at the bottom of the limiting part 601, the extrusion part 603 is extruded to the side wall of the circuit board under the elastic force of the elastic sheet 609, so that the circuit board can be fixed again by the positioning plate 6, and the circuit board can be pressed in the box body, the guide surface 610 on the extrusion part 603 can limit the circuit board, so that the circuit board does not slide out from the inside of the extrusion part 603, and the elastic sheet 609 can increase the elastic force of the extrusion part 603, thereby improving the fixing effect of the circuit board.

[0035] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus that includes a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A motor six-post switch upper shell structure, comprising an upper shell (1), characterized in that: The upper shell (1) is provided with a mounting groove (5) in the bottom, and a plurality of positioning plates (6) are fixedly connected to the inner wall of the mounting groove (5). The positioning plate (6) comprises a limiting portion (601), a connecting portion (602), an extrusion portion (603) and a guide portion (604), the limiting portion (601) and the connecting portion (602) are perpendicular to each other, the limiting portion (601) and the connecting portion (602) are respectively connected with the extrusion portion (603) at the bottom, the extrusion portion (603) is connected with the guide portion (604) at the bottom, the guide portion (604) is connected in an inclined manner, and the limiting portion (601), the connecting portion (602), the extrusion portion (603) and the guide portion (604) are integrally formed.

2. The upper housing structure of a motor six-post switch according to claim 1, characterized in that: The limiting portion (601) is fixedly connected with a rubber block (605) at the bottom, the rubber block (605) is a semicircular structure, and the bottom of the arc wall of the rubber block (605) is a plane structure.

3. The upper housing structure of a motor six-post switch according to claim 2, characterized in that: The connecting portion (602) is fixedly connected with an elastic sheet (609) at the outer wall, the other end of the elastic sheet (609) is fixedly connected with the extrusion portion (603), and the elastic sheet (609) is an arc-shaped structure.

4. The upper housing structure of a motor six-post switch according to claim 3, characterized in that: A curved groove (606) is formed at the connecting position of the limiting portion (601), the connecting portion (602) and the extrusion portion (603), the curved groove (606) is a semicircular structure, and a curved slot (607) is formed in the inner wall of the curved groove (606).

5. The upper housing structure of a motor six-post switch according to claim 4, characterized in that: A guide surface (610) is formed on one side of the extrusion portion (603) close to the rubber block (605), and a connecting curved surface (611) is formed at the connecting position of the guide surface (610) and the guide portion (604).

6. The upper housing structure of a motor six-post switch according to claim 5, characterized in that: An arc end (608) is formed at the end of the guide portion (604).

7. The upper housing structure of a motor six-post switch according to claim 6, characterized in that: A plurality of wire holes (2) are formed in the top of the upper shell (1), two center holes (3) are formed in the top of the upper shell (1), and arc corners (4) are formed at the four corners of the upper shell (1).

8. The upper housing structure of a motor six-post switch according to claim 7, characterized in that: A limiting protrusion (9) is formed on the outer wall of the bottom of the upper shell (1), and a chamfer (10) is formed on the outer wall of the limiting protrusion (9).

9. The upper housing structure of a motor six-post switch according to claim 8, characterized in that: A plurality of positioning protrusions (7) are formed on the inner wall of the upper shell (1), and a positioning hole (8) is formed in the bottom of each positioning protrusion (7).

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