Spring compression type wiring terminal

The design of the tongue-spring type snap-fit ​​assembly solves the problems of cumbersome operation and spring fatigue of spring-pressed terminals, enabling quick wiring and disconnection, improving work efficiency and enhancing the stability and reliability of electrical connections.

CN223858469UActive Publication Date: 2026-01-30SICHUAN XINLIAN NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520892349.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-01-30
Estimated Expiration
2035-05-08

AI Technical Summary

Technical Problem

Existing spring-loaded terminal blocks require considerable force to connect and disconnect wires, making the operation cumbersome. This is especially time-consuming and labor-intensive when connecting and disconnecting wires frequently. Furthermore, the springs may fatigue and deform over long-term use, leading to a decrease in elasticity and affecting the stability and reliability of the electrical connection.

Method used

The device employs a reed-type snap-fit ​​assembly, which enables the connection and disconnection of wires through a simple pressing action. This eliminates the need to overcome the spring force and utilizes the elastic deformation of the reed and the snap-fit ​​design to provide a secure lock, ensuring the stability and reliability of the electrical connection.

Benefits of technology

It improves the efficiency of wiring and disconnection, reduces the possibility of wires loosening due to vibration or external pulling, and ensures the stability and reliability of electrical connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a spring compression type wiring terminal, which relates to the field of connectors and comprises a reed type buckle assembly and a shell, and the reed type buckle assembly is arranged in the shell. The reed type buckle assembly comprises a conductive strip, the bottom of the conductive strip is elastically connected with two first springs, the outer surface wall of the conductive strip is fixedly connected with two metal reeds, and the reed type buckle assembly is arranged, so that the reed type buckle structure can generally realize connection and separation of wires through simple pressing actions; compared with a spring compression type wiring terminal, the reed type wiring terminal does not need to overcome the elastic force of a spring for operation, wiring and wire removing work can be completed more quickly, so that the working efficiency is improved, the reed type buckle structure can provide firm locking after wire connection through a specific buckle design, and the reliability of the wiring terminal is improved. Therefore, the possibility of lead loosening caused by vibration, shaking or external force pulling is reduced, and the stability and reliability of electrical connection are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field especially relates to a spring compression type wiring terminal. BACKGROUND

[0002] Wiring terminal is a kind of accessory product for realizing electrical connection, and is divided into the category of connector in industry, with the increasing degree of industrial automation and the increasingly strict and accurate industrial control, the consumption of wiring terminal gradually rises, with the development of electronic industry, the use range of wiring terminal is more and more, and the variety is also more and more, the most widely used except PCB terminal, there are hardware terminal, nut terminal, spring terminal etc.

[0003] Spring compression type wiring terminal makes the continuous pressure of spring keep the close contact between wire and conductor, and the contact resistance is small, can effectively reduce the occurrence of heating and electrical fault, so as to ensure the stability and reliability of electrical connection, without using tool to tighten or loosen screw operation, just wire insertion or pullout can complete wiring and disconnection, successfully improve work efficiency, especially suitable for frequently wiring and disconnection occasions.

[0004] The existing spring compression type wiring terminal has the following shortcomings:

[0005] 1) The existing spring compression type wiring terminal usually needs great strength to compress spring to insert or pull out wire when wiring and disconnection, and the operation is relatively cumbersome, especially in the case of frequent wiring and disconnection, it will consume more time and energy, for some small strength operators or in narrow space operation, it is difficult to overcome the spring force, which may cause inconvenience, even unable to complete wiring work successfully, and the spring compression type wiring terminal relies on the spring force to keep the contact between wire and conductor, and the spring may be deformed in long-term use, so that the spring force decreases. UTILITY MODEL CONTENTS

[0006] The utility model provides a tongue spring type buckle assembly, by setting up a tongue spring type buckle wiring terminal assembly, tongue spring type buckle structure can usually realize the connection and separation of wire through simple pressing action, compared with spring compression type wiring terminal, without overcoming the spring force operation, can more quickly complete wiring and disconnection work, so as to effectively solve the problems in the above background technology.

[0007] In order to realize the above object, the utility model adopts the following technical scheme: a spring compression type wiring terminal, two tongue spring type buckle assemblies, shell, two tongue spring type buckle assemblies are arranged in the shell interior;

[0008] The two tongue spring type buckle assemblies comprise a conductive strip, the bottom of the conductive strip is elastically connected with two first springs, the outer wall of the conductive strip is fixedly connected with two metal tongue springs, the bottom of each of the two metal tongue springs is movably connected with a first sheath, the bottom of each of the two first sheaths is elastically connected with a top spring, one side of the outer wall of each of the two metal tongue springs is provided with a second sheath, the bottom of each of the two second sheaths is elastically connected with a second spring, and the top of each of the two metal tongue springs is movably connected with a pull rod.

[0009] Preferably, the inner walls of the shell are elastically connected with two third springs.

[0010] Preferably, the interiors of the two metal tongue springs are inserted with a fixing rod.

[0011] Preferably, the outer walls of the third springs are elastically connected with buckles.

[0012] Preferably, the inner walls of the shell are elastically connected with the two first springs, the two top springs and the two second springs respectively.

[0013] Preferably, the inner wall of the shell is connected with the outer wall of the fixing rod.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that,

[0015] 1. In the utility model, the tongue spring type buckle assembly is provided, the tongue spring type buckle structure can realize the connection and separation of the wires through simple pressing action, compared with the spring compression type terminal, the spring force is not needed to be overcome to operate, the wiring and disconnection work can be more quickly completed, thereby improving the work efficiency, the tongue spring type buckle structure can provide firm locking after the wires are connected through specific buckle design, thereby reducing the possibility that the wires are loosened due to vibration, shaking or external force pulling, thereby guaranteeing the stability and reliability of the electrical connection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural perspective drawing of the spring compression type terminal;

[0017] Figure 2 It is a sectional view structural perspective drawing of the spring compression type terminal;

[0018] Figure 3 It is an enlarged view of the tongue spring type buckle assembly in the spring compression type terminal;

[0019] Figure 4 It is a partial enlarged view of the tongue spring type buckle assembly in the spring compression type terminal.

[0020] Figure legend: 1, shell; 2, tongue spring buckle assembly; 201, conductive strip; 202, first spring; 203, metal tongue spring; 204, first sheath; 205, top spring; 206, second sheath; 207, second spring; 208, third spring; 209, buckle; 210, pull rod; 211, fixed rod. DETAILED DESCRIPTION

[0021] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0023] Embodiment 1, according to Figures 1-4 As shown in the figure, the utility model provides a technical scheme: a spring compression type terminal, two tongue spring buckle assemblies 2, shell 1, two tongue spring buckle assemblies 2 are installed in the inside of shell 1;Two tongue spring buckle assemblies 2 include conductive strip 201, the bottom of conductive strip 201 is elastically connected with two first springs 202, the outer wall of conductive strip 201 is fixedly connected with two metal tongue springs 203, the bottom of two metal tongue springs 203 is movably connected with first sheath 204, the bottom of two first sheaths 204 is elastically connected with top spring 205, the outer wall of two metal tongue springs 203 one side is equipped with second sheath 206, the bottom of two second sheaths 206 is elastically connected with second spring 207, the top of two metal tongue springs 203 is movably connected with pull rod 210.

[0024] The effect achieved by the whole embodiment 1 is that: by presetting the above components, two complete tongue spring buckle assemblies 2 are composed, first, the two first springs 202 are elastically connected at the bottom of the conductive strip 201, and the two metal tongue springs 203 are fixedly connected on the outer wall of the conductive strip 201, the bottom of the two metal tongue springs 203 is movably connected with the first sheath 204, the bottom of the two first sheaths 204 is elastically connected with the top spring 205, the second sheath 206 is arranged on the outer wall of the two metal tongue springs 203, the bottom of the two second sheaths 206 is elastically connected with the second spring 207, the top of the two metal tongue springs 203 is movably connected with the pull rod 210, when the wire is inserted into the terminal, the wire will push the tongue spring assembly to elastically deform, the metal tongue spring 203 is usually designed to have a certain elasticity and shape, so that the metal tongue spring 203 can gradually open during the wire insertion process, allowing the wire to smoothly enter, at the same time, the tongue spring is in close contact with the conductor, which can ensure that the current can be conducted to the wire through the metal tongue spring 203, when the wire is inserted into the appropriate position, the tongue spring assembly will restore part of the deformation under the action of its own elastic force, tightly clamping the wire, the metal tongue spring 203 cooperates with the wire pressing frame to firmly press the wire on the conductor, forming a reliable electrical connection, this buckle locking mechanism can prevent the wire from loosening or falling off due to external force pulling or vibration during normal use, when the wire needs to be pulled out, by applying a certain external force to press the pull rod 210, the tongue spring will be elastically deformed again, and the locking of the wire is released, at this time, the wire can be smoothly pulled out of the terminal.

[0025] Embodiment 2, according to Figures 1-4 As shown in the figure, the inner wall of the shell 1 is elastically connected with two third springs 208, the inside of the two metal tongue springs 203 is inserted with a fixed rod 211, the outer wall of the third spring 208 is elastically connected with a buckle 209, the inner wall of the shell 1 is elastically connected with the two first springs 202, the two top springs 205 and the two second springs 207 respectively, and the inner wall of the shell 1 is connected with the outer wall of the fixed rod 211.

[0026] The effect achieved by the whole embodiment 2 is that: by presetting the above components, first, the inner wall of the shell 1 is elastically connected with two third springs 208, the outer wall of the third spring 208 is elastically connected with a buckle 209, the two third springs 208 and the buckle 209 can provide additional clamping force for the locking of the wire.

[0027] The working principle of the whole device is: the installation stage is: the components to be assembled are placed in a safe area, the purpose is to provide a safe assembly environment for subsequent assembly, first, the shell 1 is fully fixed, and the inner surface of the shell 1 is elastically connected with two first springs 202, two top springs 205, and two second springs 207 respectively, and the bottom of the conductive strip 201 is elastically connected with two first springs 202, and the outer wall of the conductive strip 201 is fixedly connected with two metal tongue springs 203, the bottom of the two metal tongue springs 203 is movably connected with the first sheath 204, the bottom of the two first sheaths 204 is elastically connected with the top spring 205, the outer wall of the two metal tongue springs 203 is provided with a second sheath 206, the bottom of the two second sheaths 206 is elastically connected with the second spring 207, the top of the two metal tongue springs 203 is movably connected with the pull rod 210, and the inner wall of the shell 1 is elastically connected with two third springs 208, the inside of the two metal tongue springs 203 is provided with a fixed rod 211, and the outer wall of the third spring 208 is elastically connected with a buckle 209, after the above components are installed, two complete tongue spring buckle assemblies 2 are formed;

[0028] The working stage of the device is: after all components are assembled, check whether each component is installed and fixed, and ensure that it is not loose, after confirming the completion, first, the assembled device is installed in the specified area, and then when the wire is inserted into the terminal, the wire will push the tongue spring assembly to deform elastically, the metal tongue spring 203 is usually designed to have a certain elasticity and shape, so that during the wire insertion process, the metal tongue spring 203 can gradually open to allow the wire to smoothly enter, at the same time, the metal tongue spring 203 is in close contact with the conductor, which can ensure that the current can be conducted to the wire through the metal tongue spring 203, when the wire is inserted into the appropriate position, the tongue spring assembly will restore part of the deformation under the action of its own elastic force, tightly clamping the wire, the metal tongue spring 203 cooperates with the wire pressing frame to firmly press the wire on the conductor, forming a reliable electrical connection, this buckle locking mechanism can prevent the wire from loosening or falling off due to external force pulling or vibration during normal use, when the wire needs to be pulled out, a certain external force is applied to press the pull rod 210, so that the tongue spring deforms elastically again and releases the locking of the wire, at this time, the wire can be smoothly pulled out of the terminal, the setting of the tongue spring buckle assembly 2, the tongue spring buckle structure can usually realize the connection and separation of the wire through a simple pressing action, compared with the spring pressing type terminal, it does not need to overcome the spring force to operate, and can more quickly complete the wiring and disconnection work, thereby improving the work efficiency, the tongue spring buckle assembly 2 structure can provide firm locking after the wire is connected through specific buckle design, thereby reducing the possibility of wire loosening caused by vibration, shaking or external force pulling, thereby ensuring the stability and reliability of the electrical connection.

[0029] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A spring crimp terminal, two tongue spring buckle assemblies (2), a shell (1), characterized in that: Two tongue spring buckle assemblies (2) are arranged in the shell (1); The two tongue spring buckle assemblies (2) comprise a conductive strip (201), the bottom of the conductive strip (201) is elastically connected with two first springs (202), the outer wall of the conductive strip (201) is fixedly connected with two metal tongue springs (203), the bottom of each of the two metal tongue springs (203) is movably connected with a first sheath (204), the bottom of each of the two first sheaths (204) is elastically connected with a top spring (205), one side of the outer wall of each of the two metal tongue springs (203) is provided with a second sheath (206), the bottom of each of the two second sheaths (206) is elastically connected with a second spring (207), and the top of each of the two metal tongue springs (203) is movably connected with a pull rod (210).

2. A spring-crimp terminal according to claim 1, characterized in that: The inner wall of the shell (1) is elastically connected with two third springs (208).

3. A spring-crimp terminal according to claim 1, wherein: The inside of each of the two metal tongue springs (203) is inserted with a fixing rod (211).

4. A spring-crimp terminal according to claim 2, wherein: The outer wall of each of the third springs (208) is elastically connected with a buckle (209).

5. A spring-crimp terminal according to claim 1, wherein: The inner wall of the shell (1) is elastically connected with the two first springs (202), the two top springs (205) and the two second springs (207) respectively.

6. A spring-crimp terminal according to claim 1, wherein: The inner wall of the shell (1) is connected with the outer wall of the fixing rod (211).