Auxiliary device for starting frequency converter

Abstract

The utility model discloses a frequency converter starting auxiliary device, which belongs to the technical field of frequency converters and comprises a control switch, a fixing seat is mounted at the bottom end of the control switch, wire grooves are formed in two ends in the fixing seat, wire coils are rotatably mounted in the wire grooves, and connecting wires are wound on the wire coils. One end of each connecting wire slidably extends to the outer side of the fixing seat, the other end of each connecting wire penetrates out of the center of the wire coil to the interior of the wire groove, and a conductive slip ring is installed between the end, located in the wire groove, of each connecting wire and a pin at the bottom end of the control switch. The fixing seat is arranged at the bottom of the control switch, the wire grooves are formed in the two ends of the interior of the fixing seat respectively, the connecting wire in the wire grooves is wound on the wire coil, the adjusting mechanism is used for controlling rotation release of the wire coil, the using length of the connecting wire can be rapidly adjusted according to using requirements in the using process, and the using efficiency of the connecting wire is improved. And the connecting line does not need to be cut, so that the installation is more convenient and the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary device especially involves frequency converter starting auxiliary device belongs to frequency converter technical field. BACKGROUND

[0002] By controlling circuit changes inverter power switch device's on and off time, adjust the frequency, voltage and phase of output ac, thereby realizing the speed regulation and other control functions to motor, is widely used in various production equipment, such as machine tool, printing machine, textile machine, plastics processing machinery etc., realize the accurate speed regulation and control to motor, improve production efficiency and product quality;

[0003] At present, in order to facilitate the auxiliary starting of frequency converter, by external control switch on frequency converter, then the control switch is assembled to other support or mounting plate and used, in the process of assembling, according to the distance between control switch and frequency converter, the length of connecting line is cut on site, not only affect the rate of assembly, and the length of connecting line is not easy to control, use more inconvenient, in addition, when using, installation is also more inconvenient;

[0004] Therefore, the frequency converter starting auxiliary device is designed to optimize the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a frequency converter starting auxiliary device, which can solve the problems in the background art.

[0006] The utility model discloses a frequency converter starting auxiliary device, which can solve the problems in the background art.

[0007] The utility model discloses a frequency converter starting auxiliary device, which can solve the problems in the background art.

[0008] Preferably, the adjusting mechanism includes an adjusting groove, a rotating disc, a sliding groove, an insertion block and a spring. The adjusting groove is arranged at the end of the fixed seat. The rotating disc is rotatably arranged in the adjusting groove. The end of the rotating rod is fixedly connected with the rotating disc. The sliding groove is arranged on the outer side of the rotating disc. The insertion block is slidably arranged in the sliding groove. The anti-skid tooth groove is arranged between the insertion block and the end of the spring.

[0009] Preferably, the outer circumferential surface of the adjusting groove is uniformly provided with anti-skid tooth grooves, and the end of the insertion block is conical, and the end of the insertion block is inserted into the interior of the anti-skid tooth groove.

[0010] Preferably, the outer side of the rotating disc is fixed with a strip-shaped block, and the strip-shaped block protrudes from the end surface of the fixing seat.

[0011] Preferably, the fixing mechanism comprises a hidden groove, a magnet block and a lifting assembly, the hidden groove is arranged at the bottom of the fixing seat, the interior of the hidden groove is provided with the magnet block, and the interior of the fixing seat is provided with the lifting assembly for controlling the lifting of the magnet block.

[0012] Preferably, the lifting assembly comprises a mounting groove, a bidirectional screw rod, an internal screw pipe and a connecting rod, the mounting groove is arranged at the middle position in the interior of the fixing seat and above the hidden groove, the bidirectional screw rod is rotatably arranged between the two ends of the mounting groove, one end of the bidirectional screw rod extends to the outside of the fixing seat, the two ends of the bidirectional screw rod are both screw-connected with the internal screw pipe, and the connecting rod is hingedly arranged between the bottom end of the two internal screw pipes and the two sides of the magnet block.

[0013] Preferably, one end of the bidirectional screw rod arranged outside the fixing seat is fixed with an adjusting knob, and the outside of the adjusting knob is provided with anti-skid lines.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a fixing seat is arranged at the bottom of the control switch, and wire grooves are arranged at the two ends in the interior of the fixing seat, the connecting wire in the wire groove is wound on the wire reel, and the rotation release of the wire reel is controlled by the adjusting mechanism, so that the use length of the connecting wire can be quickly adjusted according to the use demand in the use process, the connecting wire does not need to be cut, the installation is more convenient, and the practicality is higher.

[0016] 2. The utility model discloses a fixing mechanism comprising a hidden groove, a magnet block, a mounting groove, a bidirectional screw rod, an internal screw pipe, a connecting rod and an adjusting knob arranged at the bottom of the fixing seat, which can be quickly fixed by magnetic attraction during installation, and the magnet block can be retracted and hidden by rotating the bidirectional screw rod during disassembly, so that the device can be taken down, and use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is the adjusting mechanism sectional view of the utility model;

[0020] Figure 4The fixed mechanism sectional view of the utility model.

[0021] In the drawing: 1, control switch; 2, fixed seat; 3, wire slot; 4, wire roll; 5, connecting wire; 6, conductive slip ring; 7, rotating rod;

[0022] 8, adjusting mechanism; 801, adjusting groove; 802, rotating disc; 803, sliding groove; 804, plug block; 805, spring; 806, anti-skid tooth groove;

[0023] 9, fixed mechanism; 901, hidden groove; 902, magnet block; 903, mounting groove; 904, bidirectional screw rod; 905, inner screw pipe; 906, connecting rod; 907, adjusting knob. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments.

[0025] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0026] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0027] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0028] In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product is used, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0029] Embodiment 1

[0030] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the embodiment proposes a frequency converter starting auxiliary device, including a control switch 1, a fixed seat 2 is installed at the bottom end of the control switch 1, wire grooves 3 are opened at both ends inside the fixed seat 2, wire rolls 4 are rotatably installed inside the wire grooves 3, connecting wires 5 are wound and installed on the wire rolls 4, one end of the connecting wires 5 slidably extends to the outside of the fixed seat 2, the other end of the connecting wires 5 is slidably extended from the center of the wire rolls 4 to the inside of the wire grooves 3, the connecting wires 5 are rotatably connected between the wire grooves 3 and the pins at the bottom end of the control switch 1, the wire rolls 4 are rotatably connected between the wire grooves 3 and the fixed seat 2, adjusting mechanisms 8 are installed at the outer ends of the rotating rods 7, and fixed mechanisms 9 are arranged at the bottom of the fixed seat 2.

[0031] When the control switch 1 is used in connection with the frequency converter, the fixed seat 2 can be positioned at the desired position by using the fixed mechanism 9, and then the wire rolls 4 are controlled to rotate by the adjusting mechanism 8 to release the connecting wires 5. Due to the existence of the conductive slip ring 6, the connecting wires 5 will not be wound during the rotation of the wire rolls 4. During the release process, the connecting wires 5 are manually pulled out, and after reaching the required length, the rotation of the adjusting mechanism 8 is stopped, and then the end of the connecting wires 5 is connected with the frequency converter. After the connection is completed, in order to avoid the connecting wires 5 being too long, the wire rolls 4 can be controlled to rotate in the opposite direction by the adjusting mechanism 8 to wind the connecting wires 5 by a certain length.

[0032] Example 2

[0033] The scheme in Example 1 will be further introduced in combination with the specific working mode, which is described in detail below:

[0034] As Figure 3 shown, as a preferred embodiment, on the basis of the above-mentioned mode, further, the adjusting mechanism 8 includes an adjusting groove 801, a rotating disc 802, a sliding groove 803, an insertion block 804 and a spring 805, the adjusting groove 801 is opened at the end of the fixed seat 2, the rotating disc 802 is rotatably installed inside the adjusting groove 801, the end of the rotating rod 7 is fixedly connected with the rotating disc 802, the sliding groove 803 is opened at the outside of the rotating disc 802, the insertion block 804 is slidably arranged inside the sliding groove 803, and the anti-slip tooth groove 806 is arranged between the insertion block 804 and the end of the spring 805.

[0035] In the initial state, the spring 805 inside the rotating disc 802 exerts a pushing force on the plug 804, and the plug 804 is always combined with the outer side of the adjusting groove 801 and has a certain frictional resistance, so as to limit the position of the rotating disc 802. When the wire coil 4 is controlled to rotate, the frictional resistance on the rotating disc 802 is overcome, the rotating disc 802 drives the wire coil 4 to rotate, and the connecting wire 5 is released or tightened.

[0036] As shown in Figure 3 the preferred embodiment, on the basis of the above-mentioned mode, further, the outer circumferential surface of the adjusting groove 801 is uniformly provided with an anti-skid tooth groove 806, the end of the plug 804 is tapered, and the end of the plug 804 is inserted into the inside of the anti-skid tooth groove 806. Through the opening of the anti-skid tooth groove 806, the stability of the rotating disc 802 during use can be increased, and the wire coil 4 is prevented from rotating.

[0037] As shown in Figure 1 the preferred embodiment, on the basis of the above-mentioned mode, further, the outer side of the rotating disc 802 is fixed with a strip-shaped block, and the strip-shaped block protrudes from the end surface of the fixed seat 2. The strip-shaped block is arranged to facilitate the fingers to pinch, so as to facilitate the rotation adjustment of the rotating disc 802.

[0038] As shown in Figure 4 the preferred embodiment, on the basis of the above-mentioned mode, further, the fixing mechanism 9 comprises a hidden groove 901, a magnet block 902 and a lifting assembly. The hidden groove 901 is arranged at the bottom of the fixed seat 2, the magnet block 902 is arranged in the inside of the hidden groove 901, the inside of the fixed seat 2 is provided with the lifting assembly for controlling the lifting of the magnet block 902. When the position of the fixed seat 2 is fixed, the magnet block 902 is first extended from the inside of the hidden groove 901 by using the lifting assembly, and then the magnet block 902 is magnetically attracted to the metal part to fix the position of the fixed seat 2.

[0039] As shown in Figure 4 the preferred embodiment, on the basis of the above-mentioned mode, further, the lifting assembly comprises a mounting groove 903, a bidirectional screw rod 904, an internal screw pipe 905 and a connecting rod 906. The mounting groove 903 is arranged at the middle position in the inside of the fixed seat 2 and above the hidden groove 901. The bidirectional screw rod 904 is rotatably arranged between the two ends of the mounting groove 903, and one end of the bidirectional screw rod 904 extends to the outside of the fixed seat 2. The two ends of the bidirectional screw rod 904 are both screwedly provided with the internal screw pipe 905, and the bottom ends of the two groups of internal screw pipes 905 are both hingedly provided with the connecting rod 906 between the two sides of the magnet block 902.

[0040] When the control magnet block 902 is lifted, the rotating bidirectional screw rod 904 simultaneously drives the two groups of inner screw pipes 905 to move towards each other or in opposite directions, when the inner screw pipes 905 move towards each other, the magnet block 902 can be pulled upwards by the connecting rod 906 to hide in the inside of the hidden groove 901, and the fixed state is released, if the two groups of inner screw pipes 905 move in opposite directions, the magnet block 902 can be pushed downwards by the connecting rod 906 to be magnetically attracted and fixed.

[0041] As shown in Figure 1 the preferred embodiment, on the basis of the above mode, further, the rotating bidirectional screw rod 904 is fixed with an adjusting knob 907 at one end outside the fixed seat 2, and the outside of the adjusting knob 907 is provided with anti-skid lines, the setting of the anti-skid lines can facilitate the manual control of the rotation of the adjusting knob 907, and the use is more convenient.

[0042] Embodiment 3

[0043] The schemes in Embodiment 1 and Embodiment 2 are further introduced in combination with specific working modes, and details are described below:

[0044] When the control switch 1 is connected with the frequency converter, the rotating bidirectional screw rod 904 is controlled by the adjusting knob 907, the two groups of inner screw pipes 905 are controlled to move in opposite directions, the magnet block 902 can be pushed downwards by the connecting rod 906, then the fixed seat 2 is limited at the position to be used by the magnetic attraction fixing mode, then the rotation of the rotating disc 802 is controlled by pinching the strip-shaped block with fingers, the rotating disc 802 controls the rotation of the wire coil 4 to release the connecting wire 5, since the conductive slip ring 6 exists, the connecting wire 5 will not be wound in the process of the rotation of the wire coil 4, in the releasing process, the connecting wire 5 is manually pulled out, and after reaching the required length, the rotation of the rotating disc 802 is stopped, the spring 805 inside the rotating disc 802 exerts a pushing force on the plug block 804, the plug block 804 is inserted into the inside of the anti-skid tooth groove 806 to stabilize the position of the rotating disc 802, then the end of the connecting wire 5 is connected with the frequency converter, after the connection is completed, in order to avoid that the connecting wire 5 is too long, the wire coil 4 is controlled to rotate in the opposite direction by the rotating disc 802 to tighten the connecting wire 5, so as to avoid that the connecting wire 5 is too long to use.

[0045] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A frequency converter starting aid comprising a control switch (1), characterized in that: The bottom end of the control switch (1) is provided with a fixing seat (2), both ends of the fixing seat (2) are provided with wire grooves (3), both ends of the wire grooves (3) are rotatably provided with wire rolls (4), the wire rolls (4) are provided with connecting wires (5), one end of the connecting wires (5) extends to the outside of the fixing seat (2), the other end of the connecting wires (5) extends to the inside of the wire grooves (3) from the center of the wire rolls (4), both ends of the connecting wires (5) are provided with conductive slip rings (6) between the wire grooves (3) and the pins of the control switch (1), both sides of the wire rolls (4) close to the end of the fixing seat (2) are provided with rotating rods (7), the rotating rods (7) are rotatably connected with the fixing seat (2), the outer ends of the rotating rods (7) are provided with adjusting mechanisms (8), and the bottom of the fixing seat (2) is provided with a fixing mechanism (9).

2. The frequency inverter starting assist device of claim 1, wherein: The adjusting mechanism (8) comprises an adjusting groove (801), a rotating disc (802), a sliding groove (803), an insertion block (804) and a spring (805), the adjusting groove (801) is arranged at the end of the fixing seat (2), the rotating disc (802) is rotatably arranged in the adjusting groove (801), the end of the rotating rod (7) is fixedly connected with the rotating disc (802), the sliding groove (803) is arranged on the outer side of the rotating disc (802), the insertion block (804) is slidably arranged in the sliding groove (803), and the end of the insertion block (804) is provided with an anti-skid tooth groove (806) and the end of the spring (805).

3. The frequency inverter starting assist device of claim 2, wherein: The outer circumferential surface of the adjusting groove (801) is uniformly provided with the anti-skid tooth groove (806), the end of the insertion block (804) is tapered, and the end of the insertion block (804) is inserted into the anti-skid tooth groove (806).

4. The frequency inverter starting assist device of claim 3, wherein: The outer side of the rotating disc (802) is fixedly provided with a strip-shaped block, and the strip-shaped block protrudes from the end face of the fixing seat (2).

5. The frequency inverter starting aid of any of claims 1-4, wherein: The fixing mechanism (9) comprises a hidden groove (901), a magnet block (902) and a lifting assembly, the hidden groove (901) is arranged at the bottom of the fixing seat (2), the magnet block (902) is arranged in the hidden groove (901), and the lifting assembly is arranged in the fixing seat (2) and used for controlling the lifting of the magnet block (902).

6. The frequency inverter starting assist device of claim 5, wherein: The lifting assembly comprises a mounting groove (903), a bidirectional screw rod (904), an inner screw pipe (905) and a connecting rod (906), the mounting groove (903) is arranged at the middle position in the fixing seat (2) and above the hidden groove (901), the bidirectional screw rod (904) is rotatably arranged between the two ends of the mounting groove (903) and extends to the outside of the fixing seat (2), the two ends of the bidirectional screw rod (904) are threadedly provided with the inner screw pipes (905), and the connecting rod (906) is hingedly arranged between the bottom ends of the two groups of inner screw pipes (905) and the two sides of the magnet block (902).

7. The frequency inverter starting assist device of claim 6, wherein: One end of the bidirectional screw rod (904) located outside the fixing seat (2) is fixedly provided with an adjusting knob (907), and the outer side of the adjusting knob (907) is provided with anti-skid lines.

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