CN213584200U

CN213584200U - Wiring terminal

Info

Publication number: CN213584200U
Application number: CN202023000438.XU
Authority: CN
Inventors: 武素贞
Original assignee: Zhejiang Jinda Electronics Co ltd
Current assignee: Zhejiang Jinda Electronics Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-06-29
Anticipated expiration: 2030-12-12

Abstract

The application relates to a wiring terminal, which comprises a metal bottom sheet and a positioning sheet, wherein the positioning sheet is fixed on one side of the bottom sheet and is bent to form an arc-shaped groove, at least one group of pressing pieces are connected to the positioning sheet along the length direction of the positioning sheet, each pressing piece comprises a moving rod penetrating through the positioning sheet, a pressing spring sleeved on the outer side of the moving rod and a pressing sheet fixed on one side of the moving rod close to the bottom sheet, one end of the moving rod penetrates through the positioning sheet and can move towards one side close to or far away from the bottom sheet, one end of the pressing spring is abutted to the positioning sheet, and the other end of the pressing spring is abutted to the pressing; when the pressing spring is in a natural state, the pressing sheet is abutted with the bottom sheet. This application has the effect that application wire scope is big.

Description

Wiring terminal

Technical Field

The application relates to the field of connectors, in particular to a wiring terminal.

Background

The terminal is an accessory product for realizing electrical connection, and is industrially classified into the category of connectors. With the continuous development of the electronic industry, the use amount of the wiring terminal is more and more, and the use range is wider and wider.

In the related art, as shown in fig. 1, a connection terminal is disclosed, which includes a bottom plate 1 made of a metal material and a positioning plate 2, wherein the positioning plate 2 is fixed on one side of the bottom plate 1 and is bent to form an arc-shaped groove 3, and the arc-shaped groove 3 is adapted to the shape of a lead. When connecting the wire, wear to establish in arc recess 3 with the wire earlier, press the spacer 2 again so that its local deformation compresses tightly the wire to realize the fixed of wire.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the inner diameter of the arc-shaped groove formed by bending the positioning sheet in the wiring terminal is certain, so that the wiring terminal can only be applied to a wire with a diameter slightly smaller than the inner diameter of the arc-shaped groove. If the diameter of the wire to be connected is far smaller than the inner diameter of the arc-shaped groove, a gap still exists between the bent positioning sheet and the wire, so that the positioning sheet cannot compress the wire tightly, and the wire applicable to the wiring terminal is small in range and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to enlarge the applicable wire range, the application provides a connecting terminal.

The application provides a binding post adopts following technical scheme:

a wiring terminal comprises a metal bottom plate and a positioning plate, wherein the positioning plate is fixed on one side of the bottom plate and is bent to form an arc-shaped groove, at least one group of pressing pieces are connected to the positioning plate along the length direction of the positioning plate, each pressing piece comprises a moving rod penetrating through the positioning plate, a pressing spring sleeved on the outer side of the moving rod and a pressing piece fixed on one side of the moving rod close to the bottom plate, one end of the moving rod penetrates through the positioning plate and can move towards one side close to or far away from the bottom plate, one end of the pressing spring abuts against the positioning plate, and the other end of the pressing spring abuts against the pressing piece; when the pressing spring is in a natural state, the pressing sheet is abutted with the bottom sheet.

By adopting the technical scheme, when the conducting wire is connected, the moving rod is pulled to one side far away from the bottom plate, the pressing sheet moves along with the moving rod, and the distance between the pressing sheet and the bottom plate is increased until the distance between the pressing sheet and the bottom plate is larger than the diameter of the conducting wire. After the wire penetrates into the arc-shaped groove, the moving rod is loosened, the pressing sheet can automatically move towards the wire under the action of the pressing spring, and the pressing spring has acting force towards the film direction on the pressing sheet, so that the pressing sheet compresses the wire, the operation is simple and convenient, and the positioning effect is good.

For the conducting wire with the diameter slightly smaller than the arc-shaped groove, in order to further improve the stability of the conducting wire, the positioning piece can be extruded towards the conducting wire far away from the connecting end of the positioning piece and the bottom piece, and therefore the conducting wire is further limited to move. For the wire of which the diameter is far smaller than that of the arc-shaped groove, the pressing sheet can tightly press the wire under the action of the elastic force of the abutting spring, and the wire connecting terminal is large in applicable wire range and high in practicability.

Optionally, a moving hole is formed in the positioning piece, the moving rod penetrates through the moving hole, and the cross sections of the moving rod and the moving hole are square.

Through adopting above-mentioned technical scheme, both can not rotate relatively after the carriage release lever wears to locate the removal hole, and the stability of preforming is high, good to the location effect of wire.

Optionally, the end surface of the pressing sheet close to the bottom sheet is a concave arc surface.

Through adopting above-mentioned technical scheme, area of contact between them is big when the preforming compresses tightly the wire, and stability when the wire pressurized is high.

Optionally, the concave arc surface is provided with an anti-slip groove.

Through adopting above-mentioned technical scheme, the frictional force when the non-slip groove has increased preforming and wire contact for the difficult binding post that relatively removes after the wire is connected in place.

Optionally, a stop block is fixed on the end surface of the pressing sheet far away from the bottom sheet, a stop groove is formed in the end surface of the positioning sheet close to the pressing sheet, and the stop block is in interference fit with the stop groove; when the stop block is abutted against the side wall of the stop groove far away from the bottom plate, the abutting spring is in a maximum compression state.

By adopting the technical scheme, before the wire is connected to the wiring terminal, the movable rod is lifted up firstly, so that the stop block is embedded into the stop groove until the abutting spring is in the maximum compression state. The stop block and the stop groove are in interference fit to play a role in positioning the pressing sheet, so that the pressing sheet cannot move towards the bottom sheet under the action of the elastic force of the abutting spring, an operator does not need to synchronously control the moving rod before the lead extends into the arc-shaped groove, the operation is simple and convenient, and the lead installation efficiency is high.

Optionally, one end of the stop block, which is far away from the pressing sheet, is provided with a chamfer.

By adopting the technical scheme, the chamfer plays a guiding role when the stop block is embedded into the stop groove, and the stop block is favorably matched with the stop groove in an inserting manner.

Optionally, the number of the pressing pieces is two, and one ends, far away from the bottom plate, of the connecting rods of the two groups of pressing pieces are connected with the connecting rods together.

Through adopting above-mentioned technical scheme, the quantity that compresses tightly the piece is provided with the multiunit for the pressure point of wire is many, stability is higher. Each pressing piece controls the synchronous movement of the pressing pieces through the same connecting rod, and the operation is more convenient and faster.

Optionally, a notch is formed in the middle of the positioning sheet, and the two groups of pressing pieces are located on two sides of the notch respectively.

By adopting the technical scheme, the notch not only reduces the production materials of the positioning sheet, but also saves resources; the heat dissipation of the wire during operation is facilitated, and the stable transmission of current is guaranteed. Two groups of pressing pieces are respectively arranged on two sides of the notch, and compared with a centralized distribution mode, the wire pressing range is large, and the positioning effect is good.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the conducting wire is connected, the moving rod is pulled to increase the distance between the pressing sheet and the bottom sheet, after the conducting wire penetrates into the arc-shaped groove, the moving rod is loosened, the pressing sheet can move towards the bottom sheet under the elastic force action of the pressing spring, and therefore the conducting wire is pressed, and compared with a mode of pressing the conducting wire through the extrusion positioning sheet, the positioning mode is simple and convenient to operate and has the effect of large applicable conducting wire range;

2. when the pressing sheet is contacted with the lead, the contact surface of the pressing sheet and the lead is a concave arc surface, the contact area of the pressing sheet and the lead is large, and the positioning effect of the pressing sheet on the lead is good; the anti-slip groove increases the friction force between the pressing sheet and the lead, so that the lead is not easy to move relative to the pressing sheet after being installed in place;

3. the stop block and the stop groove are in interference fit to play a role in positioning the pressing sheet, the position of the moving rod does not need to be synchronously controlled when a conductor is penetrated by a hand, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a connection terminal in the related art.

Fig. 2 is a schematic structural diagram of an embodiment of the present application.

Fig. 3 is a schematic partial cross-sectional view of an embodiment of the present application.

Description of reference numerals: 1. a negative film; 2. positioning plates; 21. a notch; 22. moving the hole; 23. a stopper groove; 3. an arc-shaped groove; 4. a compression member; 41. a travel bar; 42. pressing the spring; 43. tabletting; 431. a concave arc surface; 432. an anti-slip groove; 433. a stopper block; 434. chamfering; 5. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 2-3.

The embodiment of the application discloses a wiring terminal. Referring to fig. 2 and 3, the connecting terminal comprises a bottom plate 1 and two positioning pieces 2 which are integrally formed, the bottom plate 1 and the positioning pieces 2 are both made of conductive metal materials, the two positioning pieces 2 are located on the same side of the bottom plate 1 and are respectively bent to form arc-shaped grooves 3, and the arc-shaped grooves 3 can be penetrated by wires to be connected.

Referring to fig. 2 and 3, the middle part of the positioning plate 2 is provided with a notch 21, and the notch 21 saves production materials of the positioning plate 2 on one hand and also contributes to heat dissipation of the lead on the other hand.

Referring to fig. 2 and 3, each positioning plate 2 is connected with two groups of pressing pieces 4, and the two groups of pressing pieces 4 are respectively located on two sides of the notch 21. Each group of pressing pieces 4 comprises a square moving rod 41, a pressing spring 42 arranged outside the moving rod 41 in a sleeved mode and a pressing sheet 43 fixed on the moving rod 41, two square moving holes 22 are formed in the positioning sheet 2, the two moving rods 41 of each group of pressing pieces 4 are respectively arranged in the two moving holes 22 in a penetrating mode, one end of each moving rod 41 exceeds the positioning sheet 2, a connecting rod 5 is jointly fixed on the two moving rods 41 connected to the same positioning sheet 2, the connecting rod 5 is located on one side, away from the film 1, of the moving rod 41 of each group of pressing pieces 4, and an operator can drive the two groups of moving rods 41 in the pressing pieces 4 to synchronously move through the connecting.

Referring to fig. 2 and 3, the pressing sheet 43 is located on one side of the moving rod 41 close to the base sheet 1, the end surface of the pressing sheet 43 close to the base sheet 1 is a concave arc 431, a plurality of anti-slip grooves 432 are continuously distributed on the concave arc 431, and the anti-slip grooves 432 are used for increasing the friction resistance between the wires and the pressing sheet 43, so that the wires are not easy to move relative to the pressing sheet 43. One end of the pressing spring 42 abuts against the positioning plate 2, and the other end of the pressing spring 42 abuts against the pressing plate 43. When the pressing spring 42 is in a natural state, the pressing sheet 43 is abutted with the bottom sheet 1. When connecting the wires, the connecting rod 5 is firstly utilized to drive the two moving rods 41 connected with the connecting rod to move towards one side far away from the bottom plate 1, so that the distance between the pressing sheet 43 and the bottom plate 1 is increased, when the distance between the pressing sheet 43 and the bottom plate 1 is larger than the wires to be connected, the wires penetrate into the arc-shaped groove 3, then the connecting rod 5 is loosened, the pressing sheet 43 can move towards the bottom plate 1 under the action of the pressing spring 42, and therefore the wires are pressed, and the operation is simple and convenient.

Referring to fig. 2 and 3, two stoppers 433 are fixed on the end surface of the pressing sheet 43 away from the base sheet 1, the stoppers 433 are made of elastic material and can deform slightly, and a chamfer 434 is arranged at one end of each stopper 433 away from the pressing sheet 43. The end face of the positioning piece 2 close to the pressing piece 43 is provided with four stop grooves 23, the four stop grooves 23 are respectively arranged at positions close to the two moving holes 22 in pairs, the four stop grooves 23 are respectively positioned right above the four stop blocks 433, and the stop blocks 433 are respectively in interference fit with the stop grooves 23. When the stop block 433 is embedded into the stop groove 23 and abuts against the side wall of the stop groove 23 far away from the bottom plate 1, the pressing spring 42 is in the maximum compression state, the distance between the pressing sheet 43 and the bottom plate 1 is maximum, at this time, the pressing sheet 43 cannot move towards the bottom plate 1 under the action of the pressing spring 42, an operator does not need to synchronously control the moving rod 41 when threading a lead, and the operation is simple and convenient.

The implementation principle of the wiring terminal in the embodiment of the application is as follows: when connecting the lead, firstly, the connecting rod 5 is pulled to one side far away from the bottom sheet 1, so that the stop block 433 is in interference fit with the stop groove 23 close to the stop block, and then the lead is inserted into the arc-shaped groove 3; then, the link 5 is pressed downward to separate the stopper 433 from the stopper groove 23, and the pressing piece 43 presses the wire by the pressing spring 42, thereby fixing the wire. Above-mentioned locate mode is easy and simple to handle not only, still makes binding post be more than applicable to the diameter slightly less than the wire of 3 internal diameters of arc recess, has enlarged the wire scope that binding post was suitable for, and the practicality is strong.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wiring terminal, includes film (1) and spacer (2) of metal material, spacer (2) are fixed in one side of film (1) and are buckled and are formed with arc recess (3), its characterized in that: the positioning piece (2) is connected with at least one group of pressing pieces (4) along the length direction of the positioning piece, each pressing piece (4) comprises a moving rod (41) penetrating through the positioning piece (2), a pressing spring (42) sleeved on the outer side of the moving rod (41) and a pressing piece (43) fixed on one side, close to the bottom piece (1), of the moving rod (41), one end of the moving rod (41) penetrates through the positioning piece (2) and can move towards one side close to or far away from the bottom piece (1), one end of the pressing spring (42) abuts against the positioning piece (2), and the other end of the pressing spring (42) abuts against the pressing piece (43); when the pressing spring (42) is in a natural state, the pressing sheet (43) is abutted with the bottom sheet (1).

2. A terminal according to claim 1, wherein: the positioning plate (2) is provided with a moving hole (22), the moving rod (41) penetrates through the moving hole (22), and the cross sections of the moving rod (41) and the moving hole (22) are square.

3. A terminal according to claim 1, wherein: the end surface of the pressing sheet (43) close to the bottom sheet (1) is a concave cambered surface (431).

4. A terminal according to claim 3, wherein: and an anti-skid groove (432) is arranged on the concave cambered surface (431).

5. A terminal according to claim 1, wherein: a stop block (433) is fixed on the end face, far away from the bottom plate (1), of the pressing plate (43), a stop groove (23) is formed in the end face, close to the pressing plate (43), of the positioning plate (2), and the stop block (433) is in interference fit with the stop groove (23); when the stop block (433) is abutted against the side wall of the stop groove (23) far away from the bottom plate (1), the abutting spring (42) is in a maximum compression state.

6. A terminal according to claim 5, wherein: and a chamfer (434) is arranged at one end of the stop block (433) far away from the pressing sheet (43).

7. A terminal according to claim 1, wherein: the number of the pressing pieces (4) is two, and one ends, far away from the bottom plate (1), of the connecting rods (5) of the two groups of the pressing pieces (4) are connected with the connecting rods (5) together.

8. A terminal according to claim 7, wherein: the middle part of the positioning piece (2) is provided with a notch (21), and the two groups of pressing pieces (4) are respectively positioned at two sides of the notch (21).