Shell structure of six-column switch

Abstract

The utility model relates to the technical field of switch shells, in particular to a six-column switch shell structure which comprises a glue pouring box and a top cover, a pouring groove is formed in the top of the glue pouring box, a clamping groove is formed in the top of the glue pouring box, a guide inclined plane is arranged on the inner side wall of the clamping groove, and a protruding part is arranged at the bottom of the top cover. The outer side wall of the protruding part and the guiding inclined face are the same in gradient, an arc face is formed in the edge of the bottom of the protruding part, a sealing ring is fixedly connected to the connecting position of the clamping groove and the guiding inclined face, an arc groove used in the mode of being attached to the arc face is formed in the top of the sealing ring, a plurality of limiting sleeves are fixedly connected to the inner wall of the top cover, and inserting holes are formed in the inner walls of the limiting sleeves. According to the device disclosed by the utility model, the convex part at the bottom of the top cover is pressed in the clamping groove at the top of the glue filling box, the top cover is quickly limited through the guide inclined surface in the clamping groove and is prevented from sideslip, and the positioning rod on the fixed column can be quickly inserted into the corresponding limiting sleeve at the moment, so that the complexity and difficulty of operation are reduced.

Description

TECHNICAL FIELD

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

[0002] Six -column switch is a kind of special motor starting equipment, its remarkable feature is equipped with six binding posts. These binding posts provide necessary electrical connection points for the start and operation of motor, so that current can flow in the predetermined manner, to drive motor normal operation. The design of six -column switch not only guarantees the reliability and stability of motor starting, but also improves the flexibility and adaptability of equipment, so that it can be applied to different scale and type of motor. By reasonably selecting and configuring the connection mode of binding post, six -column switch can meet various complex motor starting needs, and provide strong support for industrial production and mechanical operation.

[0003] The existing six -column switch shell structure is mainly composed of upper cover and glue pouring cover two components. The inside of glue pouring cover is used to install circuit board, and the top of upper cover is designed to install binding post. After the glue pouring process of glue pouring cover is completed, upper cover and glue pouring cover need to be fixed by pressing. It is worth noting that the top of glue pouring cover is usually equipped with positioning column, and the bottom of upper cover is provided with positioning hole matched with positioning column. However, since these positioning structures are respectively located on the end faces of glue pouring cover and upper cover, when the end faces of glue pouring cover and upper cover contact, side slip occurs, which makes it difficult for positioning column to be accurately and correctly inserted into corresponding positioning hole, increasing the complexity and difficulty of operation. Therefore, we propose a six -column switch shell structure. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a six -column switch shell structure, which solves the technical problems that the top of glue pouring cover is usually equipped with positioning column, and the bottom of upper cover is provided with positioning hole matched with positioning column, however, since these positioning structures are respectively located on the end faces of glue pouring cover and upper cover, when the end faces of glue pouring cover and upper cover contact, side slip occurs, which makes it difficult for positioning column to be accurately and correctly inserted into corresponding positioning hole, increasing the complexity and difficulty of operation.

[0005] The six -column switch shell structure provided by the utility model comprises a glue pouring box and a top cover, a pouring groove is formed in the top of the glue pouring box, a clamping groove is formed in the top of the glue pouring box, a guide slope is formed in the inner side wall of the clamping groove, a convex part is formed in the bottom of the top cover, and the inclination of the outer side wall of the convex part is the same as that of the guide slope.

[0006] Preferably, an arc surface is formed at the bottom edge of the convex part, a sealing ring is fixedly connected at the connection between the clamping groove and the guide slope, and an arc groove for the arc surface is formed in the top of the sealing ring.

[0007] Preferably, the inner wall of the top cover is fixedly connected with a plurality of limiting sleeves, the inner wall of the limiting sleeve is provided with a bushing, the inner wall of the pouring groove is fixedly connected with a plurality of fixed columns, the inner wall of the fixed column is fixedly connected with a positioning rod, and the positioning rod is inserted into the inner wall of the bushing.

[0008] Preferably, the inner wall of the bushing is provided with a tapered groove, and the diameter of the tapered groove increases from top to bottom.

[0009] Preferably, the top of the top cover is provided with two connecting holes, the inner wall of the two connecting holes is inserted with a bolt, the inner wall of the pouring groove is fixedly connected with two screw sleeves, and the inner wall of the two screw sleeves is threadedly connected with the bolt.

[0010] Preferably, the inner wall of the top cover is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with a wiring post.

[0011] Preferably, the inner wall of the pouring groove is fixedly connected with a plurality of positioning plates, the positioning plate comprises a connecting portion, a limiting portion, an inclined portion and a curved portion, and the connecting portion, the limiting portion, the inclined portion and the curved portion are integrally formed.

[0012] Preferably, a curved groove is formed between the connecting portion and the limiting portion, a supporting groove is formed between the limiting portion and the inclined portion, and the top of the inclined portion is curved to form a curved portion.

[0013] Preferably, the inner wall of the glue pouring box is provided with a glue sealing layer.

[0014] By the above technical scheme, the beneficial effects of the present application are as follows:

[0015] 1. The convex part at the bottom of the top cover is pressed in the clamping groove at the top of the glue pouring box, the top cover is quickly limited by the guide inclined surface in the clamping groove, and side sliding of the top cover is avoided. At this time, the positioning rod on the fixed column can be quickly inserted into the corresponding limiting sleeve, and the complexity and difficulty of operation are reduced.

[0016] 2. The circuit board is placed in the glue pouring box, the circuit board side wall is supported by the plurality of positioning plates, the circuit board is pressed downward, the circuit board side wall slides downward along the curved portion and the inclined portion, the inclined portion is elastically bent, and when the circuit board side wall moves to the supporting groove position, the inclined portion is elastically bent to press the circuit board side wall, so that the circuit board is fixed in the supporting groove and is limited and installed, thereby facilitating the penetration of the pouring glue to the lower part of the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the local structure of the top cover of the present application;

[0019] Figure 3 It is the internal structure schematic view of the glue filling box of the utility model;

[0020] Figure 4 It is the structure schematic view of the limiting sleeve of the utility model;

[0021] Figure 5 It is the whole structure schematic view of the positioning plate of the utility model.

[0022] In the drawing: 1, glue filling box; 2, top cover; 3, connecting hole; 4, convex part; 5, camber surface; 6, limiting sleeve; 7, insertion hole; 8, conical groove; 9, bolt; 10, wiring post; 11, mounting hole; 12, glue filling groove; 13, screw sleeve; 14, fixed column; 15, positioning rod; 16, clamping groove; 17, guide inclined surface; 18, sealing ring; 19, positioning plate; 191, connecting part; 192, limiting part; 193, curved groove; 194, inclined part; 195, curved part; 196, supporting groove; 20, glue sealing layer. 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 3 , a six-column switch shell structure includes a glue filling box 1 and a top cover 2, the top of the glue filling box 1 is provided with a glue filling groove 12, the top of the glue filling box 1 is provided with a clamping groove 16, the inner side wall of the clamping groove 16 is provided with a guide inclined surface 17, the bottom of the top cover 2 is provided with a convex part 4, and the outer side wall of the convex part 4 has the same inclination as the guide inclined surface 17; the clamping groove 16 at the top of the glue filling box 1 and the convex part 4 at the bottom of the top cover 2 are designed, and the guide of the guide inclined surface 17 is matched, so that the top cover 2 can be more easily and accurately inserted into the clamping groove 16 during installation, realizing quick and stable assembly, and the positioning rod 15 can be quickly inserted into the insertion hole 7, realizing accurate and quick positioning.

[0025] As shown in Figure 2 and Figure 3 , the bottom edge of the convex part 4 is provided with a camber surface 5, the clamping groove 16 and the guide inclined surface 17 are fixedly connected with a sealing ring 18 at the connection, and the top of the sealing ring 18 is provided with an arc groove used in conjunction with the camber surface 5; the sealing ring 18 at the connection of the clamping groove 16 and the guide inclined surface 17 is designed, which effectively prevents dust and moisture from invading the inside of the switch, improving the waterproof and dustproof performance of the switch.

[0026] As shown in Figure 3 and Figure 4 , the inner wall of the top cover 2 is fixedly connected with a plurality of limiting sleeves 6, the inner wall of the limiting sleeve 6 is provided with a insertion hole 7, the inner wall of the pouring groove 12 is fixedly connected with a plurality of fixed columns 14, the inner wall of the fixed column 14 is fixedly connected with a positioning rod 15, and the positioning rod 15 is inserted and matched with the inner wall of the insertion hole 7; the insertion and matching of the positioning rod 15 and the insertion hole 7 further enhances the stability and accuracy of the structure.

[0027] As shown in Figure 4 , the inner wall of the insertion hole 7 is provided with a tapered slot 8, and the caliber of the tapered slot 8 increases from top to bottom; the design of the tapered slot 8 on the inner wall of the insertion hole 7 makes the positioning rod 15 more easily enter the insertion hole 7 when inserted, and gradually fits closely with the inner wall of the insertion hole 7 as the insertion depth increases, further enhancing the stability and accuracy of the structure.

[0028] As shown in Figure 1 , Figure 2 and Figure 3 , the top of the top cover 2 is provided with two connecting holes 3, the inner wall of the two connecting holes 3 is inserted with a bolt 9, the inner wall of the pouring groove 12 is fixedly connected with two screw sleeves 13, and the inner wall of the two screw sleeves 13 is respectively screwed with the bolt 9. The threaded connection provides a reliable fixing method, ensuring the tight connection between the top cover 2 and the glue pouring box 1, preventing loosening and falling off.

[0029] As shown in Figure 1 and Figure 2 , the inner wall of the top cover 2 is provided with a mounting hole 11, and the inner wall of the mounting hole 11 is fixedly connected with a wiring column 10.

[0030] As shown in Figure 5 , the inner wall of the pouring groove 12 is fixedly connected with a plurality of positioning plates 19, the positioning plate 19 includes a connecting part 191, a limiting part 192, an inclined part 194 and a curved part 195, the connecting part 191, the limiting part 192, the inclined part 194 and the curved part 195 are integrally formed, a curved groove 193 is formed between the connecting part 191 and the limiting part 192, a supporting groove 196 is formed between the limiting part 192 and the inclined part 194, and the curved part 195 is formed at the top of the inclined part 194.

[0031] As shown in Figure 3 , the inner wall of the glue pouring box 1 is provided with a glue sealing layer 20, which can enhance the sealing and waterproof performance of the inner wall of the glue pouring box 1. In the six-column switch shell structure, the glue pouring box 1 serves as the main containing and protecting component, and the glue sealing layer 20 on its inner wall can effectively prevent external factors such as moisture and dust from entering the switch interior, thereby protecting the electrical components inside the switch from damage. At the same time, the glue sealing layer 20 can also provide additional mechanical strength, increase the overall stability of the glue pouring box 1, and ensure the reliability and safety of the switch during long-term use.

[0032] Working principle: Place the circuit board in the glue filling box 1, support the side wall of the circuit board through a plurality of positioning plates 19, press the circuit board downward, make the side wall of the circuit board slide downward along the bending part 195 and the inclined part 194, and the inclined part 194 is elastically bent, when the side wall of the circuit board moves to the position of the groove 196, the inclined part 194 is pressed under the action of the elastic force, so that the circuit board is fixed in the groove 196, and the circuit board is limited and installed;

[0033] The potting glue is injected into the glue filling box 1, the circuit board is sealed in the glue filling box 1 by the potting glue, the convex part 4 at the bottom of the top cover 2 is pressed in the clamping groove 16 at the top of the glue filling box 1, the top cover 2 is quickly limited by the guide inclined surface 17 in the clamping groove 16, and side sliding of the top cover 2 is avoided, and the positioning rod 15 on the fixing column 14 can be quickly inserted into the corresponding limiting sleeve 6;

[0034] The bolt 9 is inserted into the connecting hole 3, and the bottom of the bolt 9 is screwed into the screw sleeve 13, so that the top cover 2 and the glue filling box 1 can be quickly fixed together.

[0035] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A six-pole switch housing structure comprising a potting box (1) and a top cover (2), characterized in that: The glue filling box (1) is provided with a glue filling groove (12) on the top, and is provided with a clamping groove (16) on the top, and the inner side wall of the clamping groove (16) is provided with a guide slope (17), and the bottom of the top cover (2) is provided with a convex part (4), and the outer side wall of the convex part (4) has the same inclination as the guide slope (17).

2. The six-post switch enclosure structure of claim 1, wherein: The convex part (4) is provided with an arc surface (5) at the edge of the bottom, and the clamping groove (16) and the guide slope (17) are fixedly connected with a sealing ring (18), and the top of the sealing ring (18) is provided with an arc groove (5) which is used in conjunction with the arc surface (5).

3. The six-post switch enclosure structure of claim 2, wherein: The inner wall of the top cover (2) is fixedly connected with a plurality of limiting sleeves (6), the inner wall of the limiting sleeve (6) is provided with a bushing (7), the inner wall of the glue filling groove (12) is fixedly connected with a plurality of fixed columns (14), the inner wall of the fixed column (14) is fixedly connected with a positioning rod (15), and the positioning rod (15) is inserted into the inner wall of the bushing (7).

4. The six-post switch enclosure structure of claim 3, wherein: The inner wall of the bushing (7) is provided with a tapered groove (8), and the caliber of the tapered groove (8) increases from top to bottom.

5. The six-post switch enclosure structure of claim 4, wherein: The top of the top cover (2) is provided with two connecting holes (3), and the inner wall of the two connecting holes (3) is inserted with a bolt (9), and the inner wall of the glue filling groove (12) is fixedly connected with two screw sleeves (13), and the inner wall of the two screw sleeves (13) is respectively screwed with the bolt (9).

6. The six-post switch enclosure structure of claim 5, wherein: The inner wall of the top cover (2) is provided with a mounting hole (11), and the inner wall of the mounting hole (11) is fixedly connected with a wiring column (10).

7. The six-post switch enclosure structure of claim 6, wherein: The inner wall of the glue filling groove (12) is fixedly connected with a plurality of positioning plates (19), and the positioning plate (19) comprises a connecting part (191), a limiting part (192), an inclined part (194) and a curved part (195), and the connecting part (191), the limiting part (192), the inclined part (194) and the curved part (195) are integrally formed.

8. The six-post switch enclosure structure of claim 7, wherein: The connecting part (191) and the limiting part (192) are provided with a curved groove (193), the limiting part (192) and the inclined part (194) are formed with a supporting groove (196), and the top of the inclined part (194) is curved to form a curved part (195).

9. The six-post switch enclosure structure of claim 1, wherein: The inner wall of the glue filling box (1) is provided with a glue sealing layer (20).

Images