Dustproof terminal connector
By designing a dustproof terminal connector, and utilizing an insulating carrier and dustproof components, the problem of dust easily adhering to the traditional crimp terminal connection is solved, achieving the effects of rapid dust prevention and stable wiring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional crimp terminals have exposed connectors that are prone to dust accumulation, posing a safety hazard.
A dustproof terminal connector was designed, which adopts an insulating carrier and dustproof components, including a fixing ring, a rotating rod, a protective shell, a brush and other structures. By rotating the rotating rod, the protective shell is flipped to cover the pressure plate terminal and bolt. With the help of a spring and a clock spring, it can be opened and closed quickly, ensuring connection stability and dustproof effect.
It enables the quick opening and closing of the protective housing without affecting normal wiring operations, preventing dust accumulation and ensuring the stability and safety of electrical connections.
Smart Images

Figure CN224036731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a terminal field especially relates to a dustproof terminal connector. BACKGROUND
[0002] The terminal connector is an electronic component for electrical connection, mainly functions are connected with the electrical system inside the device of wire or cable, ensure the transmission of current and signal, it is widely used in various electronic equipment, car, household appliance, communication equipment and industrial control system, the terminal connector is composed of metal terminal, insulating shell and locking device, the metal terminal adopts copper or copper alloy material to ensure good conductivity and corrosion resistance, and the external insulating shell plays the role of isolating current and preventing short circuit.
[0003] The terminal connector has multiple types, including plug-in terminal, crimp terminal, welding terminal etc., is suitable for different electrical connection demand, the plug-in terminal is often used in the occasion needing frequent disassembly, facilitates quick connection and disconnection, the crimp terminal utilizes the mechanical pressure fixed wire, provides more stable connection, the welding terminal is connected with the wire through high temperature fusion technology, is suitable for long-term use and high stability requirement occasion.
[0004] When selecting the terminal connector, needs to select according to current load, use environment and connection mode etc., and the suitable terminal connector can guarantee the stability, reliability and safety of electrical connection, reduces equipment failure and maintenance cost, but in the traditional crimp terminal, the connecting port of the terminal is directly exposed outside, is easy to attach dust, when attaching a large amount of dust will produce safety hazard, for this, a dustproof terminal connector is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above insufficient, the utility model provides a dustproof terminal connector, aims at improving the traditional crimp terminal, the connecting port of the terminal is directly exposed outside, is easy to attach dust, when attaching a large amount of dust will produce safety hazard problem.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a dustproof terminal connector, including insulating carrier, the insulating carrier is internally provided with a plurality of press tablets, the press tablet is internally screw-threaded with bolt, the insulating carrier top is equipped with two dustproof components, the insulating carrier front and rear sides are all equipped with fixed components;
[0007] The dustproof assembly comprises a first fixed ring, the bottom of the first fixed ring is fixedly connected to the top of the insulating carrier, a rotating rod is rotatably connected to the inside of the first fixed ring, two second fixed rings are fixedly connected to the outside of the rotating rod, a protective shell is fixedly connected between the outside of the two second fixed rings, a plurality of brushes are fixedly connected to the inside of the protective shell, a clockwork is fixedly connected to the outside of the rotating rod, and a sleeve shell is fixedly connected to the outside of the clockwork.
[0008] As a further description of the above technical solution:
[0009] The fixing assembly comprises an outer shell, the outer shell is fixedly connected to the outside of the insulating carrier, a spring is fixedly connected to the inner wall of the outer shell, a sliding plate is fixedly connected to the left end of the spring, a push piece is fixedly connected to the outside of the sliding plate, a plug rod is fixedly connected to the left side of the sliding plate, a stop block is slidably connected to the inside of the outer shell, and a pull rod is fixedly connected to the outside of the stop block.
[0010] As a further description of the above technical solution:
[0011] The protective shell is abutted to the outside of the insulating carrier, and the rotating rod is rotatably connected to the inside of the sleeve shell.
[0012] As a further description of the above technical solution:
[0013] The sleeve shell is fixedly connected to the top of the insulating carrier, and the inside of the second fixed ring is rotatably connected to the outside of the first fixed ring.
[0014] As a further description of the above technical solution:
[0015] The outside of the sliding plate is slidably connected to the inner wall of the outer shell, and the outside of the push piece is slidably connected to the inside of the outer shell.
[0016] As a further description of the above technical solution:
[0017] The outside of the plug rod is slidably connected to the inside of the outer shell, and the outside of the plug rod is inserted into the inside of the protective shell.
[0018] As a further description of the above technical solution:
[0019] The outside of the stop block is abutted to the left end of the plug rod.
[0020] As a further description of the above technical solution:
[0021] The outside of the pull rod is slidably connected to the inside of the outer shell.
[0022] The utility model has the advantages of the following:
[0023] 1. The utility model discloses a protective shell cover is outside the insulating carrier, and under the action of the brush, does not influence the wire, simultaneously cooperation spring drive rotary rod rotation, makes fixed ring two drive protective shell unfold, realized the tablet terminal and bolt are wrapped, to realize dustproof, and the protective shell can be opened fast, will not influence normal wiring operation.
[0024] 2. The utility model discloses a protective shell cover is outside the insulating carrier, and under the action of the brush, does not influence the wire, simultaneously cooperation spring drive rotary rod rotation, makes fixed ring two drive protective shell unfold, realized the tablet terminal and bolt are wrapped, to realize dustproof, and the protective shell can be opened fast, will not influence normal wiring operation. DRAWINGS
[0025] Figure 1 It is a three-dimensional schematic view of dustproof terminal connector that the utility model proposes;
[0026] Figure 2 It is the structure schematic view of protective shell of dustproof terminal connector that the utility model proposes;
[0027] Figure 3 It is the structure schematic view of dustproof terminal connector that the utility model proposes;
[0028] Figure 4 It is the structure schematic view of dustproof terminal connector that the utility model proposes;
[0029] Legend:
[0030] 1, insulating carrier, 2, tablet terminal, 3, bolt, 4, fixed ring one, 5, rotary rod, 6, fixed ring two, 7, protective shell, 8, brush, 9, spring, 10, casing, 11, shell, 12, spring, 13, slide plate, 14, dial piece, 15, plug rod, 16, block, 17, pull rod. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 belong to the protection scope of the utility model.
[0032] Refer to Figure 1 - Figure 4The present invention provides an embodiment of a dustproof terminal connector, comprising an insulating carrier 1, wherein a plurality of pressure plate terminals 2 are disposed inside the insulating carrier 1, and bolts 3 are threadedly connected inside the pressure plate terminals 2. The insulating carrier 1 is used to connect the pressure plate terminals 2 and the bolts 3 and can provide insulation. The pressure plate terminals 2 are used to connect to wires, and the bolts 3 are used to fix the wires. Two dustproof components are installed on the top of the insulating carrier 1, and fixing components are installed on both the front and rear sides of the insulating carrier 1.
[0033] The dustproof assembly includes a first fixing ring 4, the bottom of which is fixedly connected to the top of the insulating carrier 1. A rotating rod 5 is rotatably connected inside the first fixing ring 4. Two second fixing rings 6 are fixedly connected to the outside of the rotating rod 5. A protective shell 7 is fixedly connected between the two second fixing rings 6. Multiple brushes 8 are fixedly connected inside the protective shell 7. A spring 9 is fixedly connected to the outside of the rotating rod 5. A sleeve 10 is fixedly connected to the outside of the spring 9. The first fixing ring 4 is used to form the rotating rod 5, which drives the second fixing rings 6 to rotate. The second fixing rings 6 drive the protective shell 7 to rotate synchronously. The protective shell 7 covers the pressure plate terminal. 2 and bolt 3, thus achieving dust prevention. Brush 8 is used to prevent dust from affecting normal wiring and also has the function of straightening the wires to prevent them from getting tangled. Spring 9 is used to drive the rotating rod 5 to rotate. Housing 10 is used to connect and protect spring 9. The inner side of protective housing 7 and the outer side of insulating carrier 1 abut against each other to achieve dust prevention. The outer side of rotating rod 5 is rotatably connected to the inside of housing 10 to keep rotating rod 5 stable. The outer side of housing 10 is fixedly connected to the top of insulating carrier 1 to keep housing 10 stable. The inner side of fixing ring 2 6 is rotatably connected to the outside of fixing ring 1 4 to keep fixing ring 2 6 stable.
[0034] Reference Figure 1 - Figure 4The fixed assembly comprises a shell 11 fixedly connected outside the insulating carrier 1, a spring 12 fixedly connected to the inner wall of the shell 11, a sliding plate 13 fixedly connected to the left end of the spring 12, a push piece 14 fixedly connected to the outer portion of the sliding plate 13, a plug rod 15 fixedly connected to the left side of the sliding plate 13, a stopper 16 slidingly connected to the inner portion of the shell 11, and a pull rod 17 fixedly connected to the outer portion of the stopper 16, wherein the shell 11 is used for connecting and protecting the internal parts, the spring 12 is used for pushing the sliding plate 13 to reset, the sliding plate 13 is used for driving the plug rod 15 to move synchronously, the push piece 14 is used for conveniently pushing the sliding plate 13, the plug rod 15 is used for being inserted into the protective shell 7 to fix the protective shell 7 on the insulating carrier 1, the stopper 16 is used for blocking the plug rod 15 to avoid resetting, and the pull rod 17 is used for manually driving the stopper 16 to move.
[0035] Working principle: when the device is used, the push piece 14 is pushed to drive the sliding plate 13 to compress the spring 12 and make the plug rod 15 retract into the shell 11, and at the same time, the stopper 16 automatically falls down to block the outlet of the plug rod 15 to unlock the protective shell 7, so that the spring 9 drives the rotating rod 5 to rotate, the fixed ring two 6 drives the protective shell 7 to deflect under the support of the fixed ring one 4, the pressing piece terminal 2 and the bolt 3 are exposed, and wiring is facilitated without affecting normal operation, so that the wire terminal can be put into the pressing piece terminal 2, and the bolt 3 is tightened to connect the wire with the pressing piece terminal 2, when the wire is connected, the protective shell 7 is closed, the fixed ring two 6 drives the rotating rod 5 to reverse, the spring 9 is charged, the connected wire is sequentially threaded through the brush 8, the wire is straightened to avoid mutual entanglement, and finally the pull rod 17 is pulled upward to drive the stopper 16 to separate from the plug rod 15, so that the spring 12 pushes the sliding plate 13 to reset, drives the plug rod 15 to pop up and insert into the protective shell 7 to fix the protective shell 7, thereby facilitating the quick disassembly and assembly of the protective shell 7, and after the protective shell 7 is fixed, the pressing piece terminal 2 and the bolt 3 can be dustproof to avoid dust adhesion to affect safety.
[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A dust-proof terminal connector comprising an insulating carrier (1), characterized by: The insulating carrier (1) is internally provided with a plurality of tablet terminals (2), the bolt (3) is internally screwed with the tablet terminal (2), the insulating carrier (1) is provided with two dustproof components on the top, and the insulating carrier (1) is provided with a fixing component on the front and rear sides. The dustproof component comprises a fixed ring one (4), the fixed ring one (4) is fixedly connected to the top of the insulating carrier (1), the rotating rod (5) is rotatably connected to the inside of the fixed ring one (4), the two fixed ring two (6) are fixedly connected to the outside of the rotating rod (5), the protective shell (7) is fixedly connected between the two fixed ring two (6) on the outside, a plurality of brushes (8) are fixedly connected in the protective shell (7), the spring (9) is fixedly connected to the outside of the rotating rod (5), and the sleeve shell (10) is fixedly connected to the outside of the spring (9).
2. The dust-proof terminal connector according to claim 1, characterized by: The fixing component comprises an outer shell (11), the outer shell (11) is fixedly connected to the outside of the insulating carrier (1), the spring (12) is fixedly connected to the inner wall of the outer shell (11), the sliding plate (13) is fixedly connected to the left end of the spring (12), the push piece (14) is fixedly connected to the outside of the sliding plate (13), the plug rod (15) is fixedly connected to the left side of the sliding plate (13), the stop block (16) is slidably connected in the outer shell (11), and the pull rod (17) is fixedly connected to the outside of the stop block (16).
3. The dust-proof terminal connector according to claim 1, wherein: The protective shell (7) is abutted between the inside of the insulating carrier (1) and the outside of the insulating carrier (1), and the rotating rod (5) is rotatably connected to the inside of the sleeve shell (10).
4. The dust-resistant terminal connector according to claim 1, characterized by: The sleeve shell (10) is fixedly connected to the top of the insulating carrier (1), and the fixed ring two (6) is rotatably connected to the outside of the fixed ring one (4).
5. The dust-resistant terminal connector according to claim 2, characterized by: The sliding plate (13) is slidably connected to the inner wall of the outer shell (11), and the push piece (14) is slidably connected to the inside of the outer shell (11).
6. The dust-resistant terminal connector according to claim 2, characterized by: The plug rod (15) is slidably connected to the inside of the outer shell (11), and the plug rod (15) is inserted into the inside of the protective shell (7).
7. The dust-resistant terminal connector according to claim 2, characterized by: The stop block (16) is abutted between the outside of the stop block (16) and the left end of the plug rod (15).
8. The dust-resistant terminal connector according to claim 2, characterized by: The pull rod (17) is slidably connected to the inside of the outer shell (11).