Induction heating coil quick-connecting and quick-detaching structure

Abstract

The utility model provides an induction heating coil quick-connection quick-release structure, which relates to the technical field of electromagnetic heating, and comprises a connecting device and an induction heating coil, the connecting device is mounted on the connecting end of the induction heating coil, the connecting device is cylindrical, one end of the connecting device is mounted on the contact surface of the connecting end of the induction heating coil, and the other end of the connecting device is connected with the induction heating coil. One end of the connecting device is connected with a contact surface of the equipment end, the other end of the connecting device is connected with a contact surface of the equipment end, a groove is formed in the connecting device, a spring conducting strip is mounted in the groove, four guide grooves which are symmetrically distributed are formed in the outer edge of the connecting device, and guide convex blocks corresponding to the guide grooves are arranged on the equipment end. The pre-tightening force of the spring ensures stable contact and effectively reduces contact resistance, and meanwhile, the cylindrical spring contact is made of nickel alloy materials and has good conductivity and wear resistance, and long-term use performance is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic heating, especially to a quick connection and quick disassembly structure of an induction heating coil. BACKGROUND

[0002] Induction heating technology is a heating method that converts electrical energy into heat energy efficiently through electromagnetic induction principles, and is widely used in metal processing, heat treatment, plastic molding, medical equipment and other fields. One of the core components of an induction heating device is an induction heating coil, and its working efficiency and stability directly affect the heating effect and device performance.

[0003] Traditional induction heating coils are usually installed and connected in the device through bolts, welding or fixed connecting pieces. This method is complex to install and inconvenient to maintain. Coil installation usually requires tools, and disassembly is time-consuming and laborious. In particular, in scenarios where coils need to be frequently replaced, the efficiency is low. Therefore, we propose a quick connection and quick disassembly structure of an induction heating coil. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of quick connection and quick disassembly structure of induction heating coil, to solve the problems of the prior art, traditional induction heating coil is usually installed and connected in the device through bolt, welding or fixed connecting piece, this method is complex to install and inconvenient to maintain, coil installation usually requires tool, disassembly is time-consuming and laborious, in particular, in scenarios where coils need to be frequently replaced, efficiency is low.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of quick connection and quick disassembly structure of induction heating coil, including connecting device and induction heating coil, the connecting device is installed on induction heating coil connection end, the connecting device is cylindrical, one end of the connecting device is installed on the contact surface of induction heating coil connection end, the other end is connected with the contact surface of equipment end, recess is set in the connecting device, spring contact piece is installed in the recess, 4 symmetrically distributed guide grooves are provided on the outer edge of the connecting device, and guide protruding block is provided on equipment end corresponding to the guide groove.

[0007] Further, the bottom end inner wall of the recess is provided with threads, and the threads fix the spring contact piece.

[0008] Further, the guide groove is trapezoidal, and the wide mouth gradually narrows upwards.

[0009] Further, the spring contact piece is in the shape of a cylindrical spring contact, and the material of the spring contact piece is nickel alloy.

[0010] Further, the material of the guide groove is high-temperature-resistant insulating material.

[0011] Further, the size tolerance of the guide groove and the guide protruding block is controlled between 0.1-0.2mm.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. By setting the guide groove and the guide protruding block, the position is automatically corrected during insertion, the operation is simple, the installation and disassembly can be completed without additional tools, the work efficiency is improved, it is especially suitable for the scene that the coil needs to be frequently replaced, meanwhile, the size tolerance of the guide groove and the guide protruding block is controlled between 0.1-0.2mm, the position is accurate when the coil is connected with the equipment, the assembly problem caused by deviation is reduced, on the other hand, the guide groove is made of high-temperature-resistant insulating material, the high-temperature environment in the induction heating device can be effectively coped with, the stable operation of the device is ensured, and the material aging or short circuit risk caused by high temperature is avoided.

[0014] 2. The spring contact piece is used as the connecting contact point, the spring pre-tightening force ensures stable contact, effectively reduces the contact resistance, the nickel alloy material is used for the cylindrical spring contact point, has good conductivity and wear resistance, ensures long-term use performance, the spring contact piece in the groove is fixed through the screw thread, avoids loosening in the vibration or high-frequency working environment, and the cylindrical spring contact point provides greater contact area, and the conductivity is more stable, and various complex working conditions are adapted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is an overall structure schematic view of the induction heating coil quick connection and quick disassembly structure provided by the utility model;

[0016] Fig. 2 It is a connecting device structure schematic view of the induction heating coil quick connection and quick disassembly structure provided by the utility model;

[0017] Fig. 3 It is a partial structure schematic view of A of the induction heating coil quick connection and quick disassembly structure provided by the utility model.

[0018] Legend: 1, connecting device; 2, induction heating coil; 101, groove; 102, spring contact piece; 103, guide groove; 104, guide protruding block. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model, obviously, the described embodiments are only a 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In order to facilitate the understanding of the present application, the following will be described with reference to the related application, and a number of embodiments of the present application are given, but the present application can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs, the terms used herein in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application, the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] Embodiment 1

[0024] As Figs. 1-3 The present application provides a technical scheme: a quick connection and quick disconnection structure of an induction heating coil, comprising a connecting device 1 and an induction heating coil 2, the connecting device 1 is installed on the connecting end of the induction heating coil 2, the connecting device 1 is cylindrical, one end of the connecting device 1 is installed on the contact surface of the connecting end of the induction heating coil 2, and the other end is connected to the contact surface of the equipment end, a groove 101 is formed in the connecting device 1, a spring contact piece 102 is installed in the groove 101, one end of the spring is embedded in the groove 101, and the other end is popped out to form a contact point, four symmetrical guide grooves 103 are provided on the outer edge of the connecting device 1, a guide protruding block 104 is provided on the equipment end corresponding to the guide grooves 103, when the coil connector approaches the equipment end, the guide protrusion enters the wide mouth part of the guide groove 103, and with the increase of the insertion depth, the gradually narrowing shape of the guide groove 103 forces the angle of the coil to be corrected.

[0025] Embodiment 2

[0026] As Figs. 1-3As shown, the inner wall of the bottom end of the groove 101 is provided with a thread, and the spring conductive sheet 102 is fixed by the thread, the spring conductive sheet 102 is in the shape of a cylindrical spring contact, the material of the spring conductive sheet 102 is nickel alloy, the design of the cylindrical spring contact increases the contact area, ensures stable current transmission, and reduces the contact resistance, at the same time, the conductive sheet made of nickel alloy is wear-resistant and has excellent conductivity, can adapt to the passing of high-frequency current, ensures the reliability of long-term operation, the free travel range of the spring conductive sheet (102) is 1-3mm, and it is suitable for various insertion depth changes.

[0027] The guide groove 103 is trapezoidal, and the wide mouth gradually narrows upwards, and the gradually narrowing structure of the trapezoidal guide groove 103 can guide the automatic alignment of the device, ensure accurate connection, and the material of the guide groove 103 is a high-temperature-resistant insulating material, which can avoid short circuit or material aging caused by high temperature in inductive heating work, and ensure stable operation of the device, and the size tolerance between the guide groove 103 and the guide protruding block 104 is controlled to be between 0.1-0.2mm, so that the insertion is smooth and not loose.

[0028] The working process of the utility model is as follows: when using the quick connection and quick disconnection structure of the inductive heating coil, first, ensure that the connecting device 1 of the inductive heating coil 2 is aligned with the equipment end, the guide protruding block 104 of the equipment end is in a state of being inserted, then the connecting device 1 of the inductive heating coil 2 is moved towards the equipment end, the guide groove 103 at the outer edge of the connecting device 1 is aligned with the guide protruding block 104 of the equipment end, the trapezoidal design of the guide groove 103 and the cooperation of the protruding block are used to realize automatic correction in the insertion process, the gradually narrowing structure of the trapezoidal guide groove 103 can guide the automatic alignment of the device, ensure accurate connection, continue to push the connecting device 1, so that the contact surface of the equipment end is in close contact with the contact surface of the connecting end of the inductive heating coil 2, the spring conductive sheet 102 in the groove 101 starts to contact the metal contact of the equipment end, the spring conductive sheet 102 is compressed under stress, and a pre-tightening force is generated to ensure close contact with the contact of the equipment end, after being inserted in place, the cooperation of the guide groove 103 and the guide protruding block 104 ensures the fixation of the structure and avoids loosening. The compression of the spring conductive sheet 102 and the threaded fixing structure can absorb the vibration or impact that may occur during work, and the current is conducted from the equipment end to the inductive heating coil 2 through the spring conductive sheet 102;

[0029] When the inductive heating coil 2 needs to be disassembled, the connecting device 1 only needs to be pulled out in the opposite direction. The cooperation of the guide groove 103 and the guide protruding block 104 makes the operation smooth, quickly completes the disassembly, and is convenient for coil replacement and maintenance.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick connection and quick disconnection structure of an induction heating coil, comprising a connecting device (1) and an induction heating coil (2), the connecting device (1) is installed on the connecting end of the induction heating coil (2), characterized in that: The connecting device (1) is cylindrical, one end of the connecting device (1) is installed on the contact surface of the induction heating coil (2) connecting end, the other end is connected with the contact surface of the equipment end, a recess (101) is arranged in the connecting device (1), a spring contact (102) is installed in the recess (101), four symmetrical guide grooves (103) are arranged on the outer edge of the connecting device (1), and a guide convex block (104) is arranged on the equipment end correspondingly.

2. The quick-attach and quick-detach structure of an induction heating coil according to claim 1, characterized in that: The inner wall of the bottom end of the recess (101) is provided with threads, and the spring contact (102) is fixed by the threads.

3. The quick-attach and quick-detach structure of an induction heating coil according to claim 1, characterized in that: The guide groove (103) is trapezoidal, and the wide opening is gradually narrowed upwards.

4. The quick-attach and quick-detach structure of an induction heating coil according to claim 1, characterized in that: The spring contact (102) is a cylindrical spring contact, and the material of the spring contact (102) is nickel alloy.

5. The induction heating coil quick connection and quick disconnection structure according to claim 1, characterized in that: The material of the guide groove (103) is high-temperature-resistant insulating material.

6. The induction heating coil quick connection and quick disconnection structure according to claim 1, characterized in that: The size tolerance of the guide groove (103) and the guide convex block (104) is controlled to be between 0.1-0.2mm.

7. The induction heating coil quick attach quick detach structure of claim 1, wherein: The free travel range of the spring contact (102) is 1-3mm.

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