CN219626912U - Binding post fixing device - Google Patents

Abstract

The utility model relates to the technical field of connection terminals, in particular to a connection terminal fixing device, a flame-retardant shell, which is the line protection part of the connection terminal, and both ends of which are provided with connection grooves and wire grooves, which are symmetrically distributed. The utility model overcomes the deficiencies of the prior art. By setting the connecting buckle, the fixing groove and the limit rod, when the two terminals need to be fixed together, the limit rod is pulled up by the pull rod, and the other terminal is connected with the limit rod. Make the connecting buckle of the other terminal above the fixed slot of the current terminal, align the through hole in the middle of the connecting buckle with the movable rod at the fixed groove, push the first terminal, and the movable rod will align with the through hole. When the inner sides are fitted together, press down the other terminal so that the connecting buckle can be smoothly installed inside the fixed groove, put down the limit rod, and the limit rod will connect the connecting buckle to the inside of the fixed groove, and the limit rod will pass through the outside of the movable rod. The torsion spring on the surface continuously exerts downward force on the connecting buckle.

Description

A terminal fixing device

technical field

The utility model relates to the technical field of connection terminals, in particular to a connection terminal fixing device.

Background technique

The terminal block is used to facilitate the connection of wires. It is actually a piece of metal sealed in insulating plastic. There are holes at both ends for inserting wires, and there are screws for fastening or loosening. For example, two wires, sometimes Need to be connected, sometimes need to be disconnected, then you can use the terminal to connect them, and can be disconnected at any time, without having to weld them or twist them together, it is very convenient and quick, providing a convenient and safe Electrical Safety.

According to the publication number: CN211351006U, an installation and fixing device for connecting terminals; by engaging the second connecting block in the inside of the connecting groove, under the action of the second torsion spring, the slider will move along the chute with the clamping post. , until the end of the clamping column is engaged with the inside of the card slot, so as to fix the two adjacent terminal bodies. Scattering of adjacent terminal blocks; At the same time, most of the previous terminal blocks did not consider the issue of follow-up maintenance, and did not reserve a certain length for the line. If the aging and worn joints need to be cut off during maintenance, the original line length may not be enough , resulting in the need to replace a new line.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a connection terminal fixing device, aiming at solving the problems in the prior art of avoiding the connection terminal falling off and insufficient length after cutting the circuit.

In order to solve the above technical problems, the utility model provides the following technical solutions:

A terminal fixing device, comprising:

The flame-retardant shell is the line protection part of the terminal, and its two ends are provided with wiring grooves and wire grooves, which are symmetrically distributed;

A connecting buckle, which is arranged on the top side of the flame-retardant shell;

a through hole, which is arranged inside the connecting buckle;

a fixing groove, which is opened on the other side above the inside of the flame-retardant casing;

The limiting rod is installed above the inside of the fixing groove.

Preferably, the limit rod also includes:

a pull rod, which is arranged above the inside of the limit rod;

a movable rod, which is arranged on the bottom side of the limit rod;

A limit block, which is arranged at the bottom end of the movable rod;

A torsion spring is sleeved on the outer surface of the movable rod.

Preferably, the movable rod also includes:

The limiting block and the torsion spring are arranged below the fixing groove;

The connecting buckle is adapted to the fixing groove and the limit rod.

Preferably, the flame retardant shell also includes:

The wire grooves are all set as "concave" type;

Conductive wires, which are installed in the middle of the flame-retardant casing;

The half cylinder and the cylinder are both arranged at the entrance of the wiring groove.

Preferably, the cylinder also includes:

The semi-cylinders are left-right symmetrical with the cylinder as the center;

A screw is mounted on the back of the half cylinder.

Preferably, the screw also includes:

a pressing plate, which is sleeved on the outer surface of the screw;

The bottom of the pressing plate is provided with radians, and its cross section is square.

The embodiment of the utility model provides a terminal fixing device, which has the following beneficial effects: by providing a connecting buckle, a fixing groove and a limit rod, the connecting buckle is snapped into the fixing groove, and the limit rod passes through the torsion force on the outer surface of the movable rod. The spring exerts a downward force on the connecting buckle. If it is necessary to remove the obstruction of the limit rod, it needs to have a continuous upward and sideways offset force, so as to prevent the terminal from falling off under the influence of external force and further strengthen the stability between the terminals. Reliability; by setting the wire groove, cylinder and half cylinder, the line can be wound around the cylinder for a certain length, so that the line can be cut short in the later maintenance of the line, and the normal connection can still be ensured after a certain length is cut, which improves the practicality of the terminal block. sex.

1. By setting the connecting buckle, the fixing groove and the limit rod, when it is necessary to fix the two terminals together, the user pulls the limit rod upward through the pull rod, and fits the other terminal to it, so that the other terminal The connecting buckle of the connecting terminal is located above the fixing slot of the current connecting terminal. Align the through hole in the middle of the connecting buckle with the movable rod at the fixing groove, push the first connecting terminal, and when the movable rod fits inside the through hole, push the other A connecting terminal is pressed down so that the connecting buckle is smoothly installed inside the fixed groove, and the limit rod is lowered, and the connecting buckle is snapped into the inside of the fixed groove through the limit rod. The limit rod passes through the torsion spring on the outer surface of the movable rod, and continues Apply a downward force to the connection buckle. When it is necessary to separate two adjacent terminals, it is necessary to pull the limit lever upward for a certain distance, and push up a power connection terminal and the connection buckle, and then separate from one side. Thereby, the stability of the connection terminal is improved, and it is difficult to restore the connection terminal after being messed up.

2. By setting the wire groove, cylinder and half cylinder, when the user connects a new line, the line can be wound around the cylinder twice, and a part of the line is reserved at the cylinder. The user turns the screw with a screwdriver to drive the pressure plate to press. Hold the line, and the lines at both ends are connected by conductive wires. If the joint of the line is cut short during maintenance, the user can directly place the line in the wire groove from the side of the half cylinder and the cylinder, fix it with the pressure plate, and connect it with the conductive wire. The situation of replacing a new circuit due to no reserved circuit is avoided, and the practicability of the terminal fixing device is improved.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a structural schematic diagram of the utility model limit rod;

Fig. 3 is a schematic diagram of a top-down section of the flame-retardant housing of the present invention.

In the figure: 1, flame retardant shell; 101, fixing groove; 102, wiring groove; 103, wire groove; 104, conductive wire; 2, connecting buckle; 201, through hole; 3, limit rod; 301, pull rod; 302 , movable rod; 303, limit block; 304, torsion spring; 4, pressing plate; 401, screw; 5, half cylinder; 6, cylinder.

Detailed ways

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

Embodiment: As shown in Figure 1, a terminal fixing device includes a flame-retardant shell 1, which is the circuit protection part of the terminal, and a terminal groove 102 is opened at both ends of the terminal, which is convenient for connecting two lines and prevents leakage. , to ensure the safety of electricity use, the screw 401 is installed on the back of the semi-cylinder 5, the pressure plate 4 is sleeved on the outer surface of the screw 401, the user turns the screw 401 through a screwdriver, drives the pressure plate 4 to press the line, and connects the buckle 2 , which is set on the top side of the flame retardant shell 1, a through hole 201, which is set inside the connecting buckle 2, a fixing groove 101, which is opened on the other side above the inside of the flame retardant shell 1, and a limit rod 3, which Installed above the interior of the fixing groove 101, the connecting buckle 2 is compatible with the fixing groove 101 and the limit rod 3, and the user can clamp the connecting buckle 2 of another terminal to the inside of the fixing groove 101 of this terminal, The connecting buckle 2 is limited by the limit rod 3 to prevent the connecting buckle 2 from detaching from the inside of the fixing groove 101. The pull rod 301 is arranged above the inside of the limit rod 3, so that the user can drive the limit rod 3 through the pull rod 301. Move up and down.

As shown in Figure 2, it includes a movable rod 302, which is arranged on the bottom side of the limit rod 3, a limit block 303, which is arranged on the bottom end of the movable rod 302, and a torsion spring 304, which is sleeved on the bottom of the movable rod 302. The outer surface is arranged below the fixed groove 101, and the force generated by the torsion spring 304 on the outer surface of the movable rod 302 is used by the limit rod 3 to snap into the upper interior of the fixed groove 101, thereby connecting the connecting buckle 2 through the limit rod 3 play a limiting role.

As shown in Figure 3, the wire grooves 103 are all set in a "concave" type, and the conductive wires 104 are installed in the middle of the flame-retardant casing 1, which is convenient for placing the wires inside the wire grooves 103 and avoiding the wires from being pressed. It will still roll when it is pressed, and the circuits at both ends are connected by conductive wires 104. The half cylinder 5 and the cylinder 6 are all arranged at the entrance of the junction groove 102. Reserve a part of the line for subsequent maintenance, avoiding the need to replace the new line due to insufficient length after the line is cut short.

Working principle: When it is necessary to fix the two terminals together, the user pulls the limit lever 3 upwards through the pull rod 301, and fits the other terminal to it, so that the connection buckle 2 of the other terminal is located at the current connection position. Above the fixed groove 101 of the terminal, align the through hole 201 in the middle of the connecting buckle 2 with the movable rod 302 at the fixed groove 101, push the first terminal, and when the movable rod 302 fits the inner side of the through hole 201, the other The connecting terminal is pressed down so that the connecting buckle 2 is smoothly installed inside the fixing groove 101, the limit rod 3 is lowered, and the connecting buckle 2 is snapped into the inside of the fixing groove 101 through the limit rod 3, and the limit rod 3 passes through the movable rod 302 The torsion spring 304 on the outer surface continuously exerts a downward force on the connecting buckle 2. When it is necessary to separate two adjacent terminals, it is necessary to pull the limit lever 3 upward for a certain distance, and connect one electric terminal and the connecting terminal. Buckle 2 is pushed up and then separated from one side, thereby improving the stability of the terminal and avoiding the difficulty of restoring the terminal after it is messed up. When the user connects a new circuit, the circuit can be wound around the cylinder 6 twice. Leave a part of the line on the cylinder 6, and the user turns the screw 401 with a screwdriver to drive the pressure plate 4 to press the line, and the lines at both ends are connected through the conductive wire 104. If the joint of the line is cut short during maintenance, the user can directly connect the line from the The sides of the semi-cylinder 5 and the cylinder 6 are placed in the wire groove 103, fixed by the pressure plate 4, and communicated with the conductive wire 104, so as to avoid the situation of replacing a new line because there is no reserved line, and improve the practicability of the terminal fixing device .

Claims (6)

1. A terminal fixing device, characterized in that it comprises: The flame-retardant casing (1) is the circuit protection part of the terminal, and both ends thereof are provided with wiring grooves (102) and wire grooves (103), which are symmetrically distributed; A connecting buckle (2), which is arranged on the top side of the flame-retardant casing (1); a through hole (201), which is arranged inside the connecting button (2); A fixing groove (101), which is opened on the other side above the inside of the flame-retardant casing (1); The limit rod (3) is installed above the inside of the fixing groove (101). 2. The terminal fixing device according to claim 1, characterized in that, the limit rod (3) further comprises: A pull rod (301), which is arranged above the interior of the limit rod (3); A movable rod (302), which is arranged on the bottom side of the limit rod (3); A limit block (303), which is arranged at the bottom end of the movable rod (302); A torsion spring (304) is sleeved on the outer surface of the movable rod (302). 3. The terminal fixing device according to claim 2, characterized in that, the movable rod (302) further comprises: The limiting block (303) and the torsion spring (304) are arranged below the fixing groove (101); The connecting buckle (2) is adapted to the fixing groove (101) and the limit rod (3). 4. The terminal fixing device according to claim 1, characterized in that, the flame retardant casing (1) further comprises: The wire grooves (103) are all configured as "concave" type; Conductive wire (104), which is installed in the middle position inside the flame-retardant casing (1); The half cylinder (5) and the cylinder (6) are both arranged at the entrance of the wiring groove (102). 5. The terminal fixing device according to claim 4, characterized in that, the cylinder (6) further comprises: The semi-cylinders (5) are left-right symmetrical with the cylinder (6) as the center; A screw (401) is mounted on the back of the semi-cylinder (5). 6. The terminal fixing device according to claim 5, characterized in that, the screw (401) further comprises: a pressing plate (4), which is sleeved on the outer surface of the screw (401); The bottom of the pressing plate (4) is provided with radians, and its cross section is square.