Special intelligent soft starter for heavy-load motor equipment

Abstract

The utility model relates to a special intelligent soft starter for heavy-load motor equipment, and belongs to the technical field of soft starters. The soft starter mainly aims at solving the problems that some existing soft starters are provided with wire pressing mechanisms used for clamping wires, wire pressing plates in the wire pressing mechanisms can only press the wires from the side faces through the elasticity of springs, the wires are prone to disengaging from the upper portion, and the wire pressing effect is poor. According to the technical scheme, the starter comprises a starter body, an auxiliary box installed on the front side of the starter body and a lug plate installed on the top side of the starter body, a transverse screw hole is formed in the bottom side of the front surface of the lug plate, the transverse screw hole is spirally connected with a transverse screw shaft, and the end, away from the lug plate, of the transverse screw shaft is connected with an end block; the transverse screw shaft is movably sleeved with a wire pressing block. According to the utility model, a wire can be pressed on the side surface through the wire pressing block, and can also be pressed in the vertical direction through the pressing rod connected to the wire pressing block, so that the wire pressing effect is improved, and the wire can be effectively prevented from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of soft starters, in particular to an intelligent soft starter dedicated to heavy-load motor equipment. Background Art

[0002] A soft starter is a motor control device that integrates motor soft start, soft stop, light load energy saving and multiple protection functions. For example, the intelligent motor soft starter disclosed in the authorization announcement number CN203968016U has a starter body and a wire pressing mechanism installed on the body for clamping the wire. The wire pressing plate in the wire pressing mechanism can only press the wire from the side through the elasticity of the spring, and the wire is still easy to fall out from the top, and the wire pressing effect is not good. Utility Model Content

[0003] The purpose of the utility model is to propose an intelligent soft starter dedicated to heavy-load motor equipment in view of the problem that some existing soft starters mentioned in the background technology are equipped with a wire pressing mechanism for clamping electric wires, the wire pressing plate in the wire pressing mechanism can only press the electric wires from the side by the elasticity of the spring, the electric wires are still easy to fall out from the top, and the wire pressing effect is not good.

[0004] The technical solution of the utility model is as follows: an intelligent soft starter dedicated to heavy-load motor equipment comprises a starter body, a sub-box installed on the front side of the starter body, and a wiring piece installed on the top side of the starter body, a transverse screw hole is opened on the bottom side of the front surface of the wiring piece, a transverse screw hole is spirally connected with a transverse screw shaft, an end of the transverse screw shaft away from the wiring piece is connected with an end block, the transverse screw shaft is movably sleeved with a wire pressing block, and the transverse screw shaft sleeve located between the wire pressing block and the end block is provided with a spring.

[0005] Preferably, one end of the spring abuts against the end block, and the other end of the spring abuts against the wire pressing block.

[0006] Preferably, the outer circumferential surface of the wire pressing block is integrally connected with an ear block, the outer surface of the ear block is connected with a pressure rod, and the front surface of the wiring piece is annularly provided with a plurality of pressure rod through holes that can be snap-connected with the ends of the pressure rod.

[0007] Preferably, a socket is provided on the top of the wiring piece, and the socket is plug-connected with a plug connected to the end of the wire.

[0008] Preferably, a vertical screw hole is provided at the top of the wiring piece and on one side of the socket, the vertical screw hole is spirally connected with a vertical screw shaft, and the top end of the vertical screw shaft is rotatably connected with a pressure plate for pressing the plug downward.

[0009] Preferably, a circular groove matching the top of the plug is formed on the lower surface of the pressing plate.

[0010] Compared with the existing technology, the beneficial effects of the utility model are:

[0011] (1): The present application can press the wires on the side by means of a wire pressing block, or can press the wires vertically by means of a pressing rod connected to the wire pressing block, thereby improving the wire pressing effect and effectively preventing the wires from falling out;

[0012] (2): The present application can compress the connection between the wire and the terminal piece through the design of the vertical screw shaft and the pressure plate to prevent the wire and the terminal piece from loosening or separating;

[0013] (3): The structures such as the wire pressing block and the pressure plate in this application can be detached from the wiring piece, making it more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The structural diagram of the intelligent soft starter dedicated to heavy-duty motor equipment;

[0015] Figure 2 for Figure 1 Schematic diagram of the structure of the wiring lug.

[0016] Figure numerals: 1. starter body; 2. sub-box; 3. terminal lug; 4. horizontal screw hole; 5. horizontal screw shaft; 6. end block; 7. spring; 8. wire pressing block; 9. ear block; 10. pressure rod; 11. pressure rod through hole; 12. socket; 13. plug; 14. electric wire; 15. vertical screw hole; 16. vertical screw shaft; 17. pressure plate. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] Embodiment 1

[0019] like Figure 1-2 As shown, the utility model proposes an intelligent soft starter dedicated to heavy-duty motor equipment, comprising a starter body 1, a sub-box 2 fixedly mounted on the front side of the starter body 1, and a terminal lug 3 fixedly mounted on the top side of the starter body 1. A transverse screw hole 4 is provided on the bottom side of the front surface of the terminal lug 3, a transverse screw shaft 5 is spirally connected to the transverse screw hole 4, an end of the transverse screw shaft 5 away from the terminal lug 3 is fixedly connected to an end block 6, a wire pressing block 8 is movably sleeved on the transverse screw shaft 5, and a spring 7 is sleeved on the transverse screw shaft 5 between the wire pressing block 8 and the end block 6, one end of the spring 7 abuts against the end block 6, and the other end of the spring 7 abuts against the wire pressing block 8.

[0020] In this embodiment, the wire body connected to the terminal piece 3 is placed between the wire pressing block 8 and the terminal piece 3. The spring 7 pushes the wire pressing block 8 through elastic thrust to press the wire between the wire pressing block 8 and the terminal piece 3 for regular positioning to prevent the wire from deviating.

[0021] Embodiment 2

[0022] like Figure 1-2 As shown, the utility model proposes an intelligent soft starter dedicated to heavy-duty motor equipment, comprising a starter body 1, a sub-box 2 fixedly mounted on the front side of the starter body 1, and a terminal lug 3 fixedly mounted on the top side of the starter body 1. A transverse screw hole 4 is provided on the bottom side of the front surface of the terminal lug 3, a transverse screw shaft 5 is spirally connected to the transverse screw hole 4, an end of the transverse screw shaft 5 away from the terminal lug 3 is fixedly connected to an end block 6, a wire pressing block 8 is movably sleeved on the transverse screw shaft 5, and a spring 7 is sleeved on the transverse screw shaft 5 between the wire pressing block 8 and the end block 6, one end of the spring 7 abuts against the end block 6, and the other end of the spring 7 abuts against the wire pressing block 8.

[0023] Compared with the first embodiment, the present embodiment further includes: an ear block 9 is integrally connected to the outer circumference of the wire pressing block 8, a pressure rod 10 is fixedly connected to the outer surface of the ear block 9, and a plurality of pressure rod through holes 11 which can be snap-connected with the end of the pressure rod 10 are arranged in a ring on the front surface of the terminal block 3.

[0024] In this embodiment, the wire can be pressed between the pressure rod 10 and the horizontal screw shaft 5 in the vertical direction by the pressure rod 10. Combined with the first embodiment, the pressure effect on the wire can be improved, and the wire can be further effectively prevented from deviating and escaping.

[0025] Embodiment 3

[0026] like Figure 1-2 As shown, the utility model proposes an intelligent soft starter dedicated to heavy-duty motor equipment, comprising a starter body 1, a sub-box 2 fixedly mounted on the front side of the starter body 1, and a terminal lug 3 fixedly mounted on the top side of the starter body 1. A transverse screw hole 4 is provided on the bottom side of the front surface of the terminal lug 3, and a transverse screw shaft 5 is spirally connected to the transverse screw hole 4. An end of the transverse screw shaft 5 away from the terminal lug 3 is fixedly connected to an end block 6, and a wire pressing block 8 is movably sleeved on the transverse screw shaft 5. The transverse screw shaft 5 between the wire pressing block 8 and the end block 6 is sleeved with a spring 7, one end of the spring 7 abuts against the end block 6, and the other end of the spring 7 abuts against the wire pressing block 8. An ear block 9 is integrally connected to the outer circumference of the wire pressing block 8, and a pressure rod 10 is fixedly connected to the outer surface of the ear block 9. A plurality of pressure rod through holes 11 that can be snap-connected with the end of the pressure rod 10 are arranged in an annular manner on the front surface of the terminal lug 3.

[0027] Compared with the first or second embodiment, the present embodiment further includes: a socket 12 is provided at the top of the terminal piece 3, a plug 13 is connected to the end of the wire, and the plug 13 can be plugged and connected with the socket 12, a vertical screw hole 15 is provided at the top of the terminal piece 3 and on one side of the socket 12, the vertical screw hole 15 is spirally connected with a vertical screw shaft 16, the top of the vertical screw shaft 16 is rotatably connected with a pressure plate 17 for pressing the plug 13 downward, and a circular groove slightly larger than the top of the plug 13 is provided on the lower surface of the pressure plate 17, which can increase the pressing effect of the spring 7 on the plug 13.

[0028] In this embodiment, the pressing plate 17 is first placed above the plug 13, and then the vertical screw shaft 16 is rotated while the pressing plate 17 is stabilized, so that the vertical screw shaft 16 drives the pressing plate 17 to move downward through the spiral connection with the vertical screw hole 15 to press the plug 13, and the circular groove on the lower surface of the plug 13 is just stuck to the top of the plug 13.

[0029] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An intelligent soft starter for heavy-duty motor equipment, comprising a starter body (1), a sub-box (2) mounted on the front side of the starter body (1), and a wiring piece (3) mounted on the top side of the starter body (1), characterized in that: A transverse screw hole (4) is provided on the bottom side of the front surface of the wiring piece (3); a transverse screw shaft (5) is spirally connected to the transverse screw hole (4); an end of the transverse screw shaft (5) away from the wiring piece (3) is connected to an end block (6); the transverse screw shaft (5) is movably sleeved with a wire pressing block (8); and a spring (7) is sleeved on the transverse screw shaft (5) located between the wire pressing block (8) and the end block (6).

2. The intelligent soft starter for heavy-load motor equipment according to claim 1 is characterized in that: One end of the spring (7) abuts against the end block (6), and the other end of the spring (7) abuts against the wire pressing block (8).

3. The intelligent soft starter for heavy-load motor equipment according to claim 1 is characterized in that: The outer circumferential surface of the wire pressing block (8) is integrally connected with an ear block (9), the outer surface of the ear block (9) is connected with a pressure rod (10), and the front surface of the wiring piece (3) is annularly provided with a plurality of pressure rod through holes (11) that can be snap-connected with the end of the pressure rod (10).

4. The intelligent soft starter for heavy-load motor equipment according to claim 1 is characterized in that: The top of the wiring piece (3) is provided with a socket (12), and the socket (12) is plugged into and connected with a plug (13) connected to the end of the electric wire.

5. The intelligent soft starter for heavy-load motor equipment according to claim 4 is characterized in that: A vertical screw hole (15) is provided at the top of the wiring piece (3) and on one side of the socket (12); a vertical screw shaft (16) is screwed to the vertical screw hole (15); and a pressure plate (17) for pressing the plug (13) downward is rotatably connected to the top of the vertical screw shaft (16).

6. The intelligent soft starter for heavy-load motor equipment according to claim 5 is characterized in that: The lower surface of the pressing plate (17) is provided with a circular slot matching the top of the plug (13).

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