CN217361953U

CN217361953U - Spliced type welding PCB wiring end free of screws

Info

Publication number: CN217361953U
Application number: CN202221397291.9U
Authority: CN
Inventors: 丁万才
Original assignee: Shanghai Jisimi Electric Technology Co ltd
Current assignee: Shanghai Jisimi Electric Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-02
Anticipated expiration: 2032-06-07

Abstract

The utility model belongs to the technical field of PCB board binding post, especially, for a concatenation formula welds PCB board and exempts from screw wiring end, including assembling casing, contact piece, spring leaf, guide clamp plate and pressing plate, the contact piece lies in assembling inside the casing, the spring leaf is connected on the contact piece, guide clamp plate and contact piece left and right sides sliding fit, guide clamp plate's bottom and spring leaf contact, guide clamp plate installs between spring leaf and pressing plate. The utility model discloses need not to remain throughout and press the contact state of clamp plate at the wiring in-process, promoted binding post's convenience for use, with the spring leaf with treat between the connecting conductor point and face contact mode and connecting conductor and contact piece between face and the face contact mode, unified the stable contact mode who turns into multiple spot and face, increased conductor and spring leaf in the very big degree and pressed the frictional force between the clamp plate, make the connecting conductor connect more firmly, reliably, be difficult for causing the conductor to drop.

Description

Spliced type welding PCB wiring end free of screws

Technical Field

The utility model relates to a PCB board binding post technical field specifically is a screw wiring end is exempted from to concatenation formula welding PCB board.

Background

The PCB terminal is an accessory product used in a wiring terminal industry for electrical connection of a printed circuit board, which is called a PCB terminal or a PCB connector, for realizing electrical connection.

The existing spliced PCB welding screw-free wiring end mostly adopts a screw type wiring structure and a pressing type wiring structure. The screw type wiring structure is poor in convenience because the connecting lead is required to be fixed through a screw; and current push type wiring structure need remain the state of pressing to the button all the time when the wiring, just can insert connecting conductor, has the inconvenience in the operation equally, and the contact mode is point face contact between its inside spring leaf and the wire, and the frictional force of this kind of contact structure is less, and the wiring fastness and the stability that lead to connecting wire are relatively poor, easily takes place to drop, has the unreliable defect of connection

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a concatenation formula is welded PCB board and is exempted from screw wiring end has solved current concatenation formula and has welded PCB board and exempt from screw wiring end and have operated inconveniently, and connecting wire male fastness is not high, and connection stability is relatively poor, easily takes place the problem that drops.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a spliced PCB (printed Circuit Board) screw-free wiring terminal comprises an assembled shell, a contact piece, a spring piece, a guide pressing plate and a pressing plate, wherein the contact piece is arranged inside the assembled shell, the spring piece is connected on the contact piece, the guide pressing plate is in sliding fit with the left side and the right side of the contact piece, the bottom end of the guide pressing plate is in contact with the spring piece, the guide pressing plate is installed between the spring piece and the pressing plate, the pressing plate is installed at the top end of the assembled shell through a rotating shaft, a conductor contact end is arranged at the top end of the spring piece, a first contact tooth is arranged on the upper surface of the conductor contact end, a second contact tooth is arranged above the lower surface of the contact piece, which corresponds to the conductor contact end, the pressing plate is in a vertical contact state and a horizontal pressing state, when the pressing plate is in the vertical contact state, the spring piece is in a gravity state only by the guide pressing plate, and when the pressing plate is in the horizontal pressing state, the spring piece is pressed by the pressing force of the pressing plate to enable the conductor contact end and the contact piece to be separated by a gap into which a conductor to be connected can be inserted.

Furthermore, the inside of assembling the casing is equipped with the spacing portion that is used for the guide pressure plate to be spacing, the guide pressure plate can only reciprocate under the restriction of spacing portion, the top of assembling the casing is equipped with the pressing groove with pressing board looks adaptation.

Further, all be equipped with the guide way on the left and right sides wall of contact piece, guide pressure plate's bottom is equipped with two holding pieces, and two holding pieces correspond the setting with two guide ways respectively, and holding piece and guide way sliding fit.

Furthermore, the spring piece is provided with a pressing contact part, and the pressing contact part is in contact with the bottom end of the guide pressure plate.

Further, the pressing plate is composed of a pressing plate and a connecting end, the pressing plate is integrally connected to the connecting end, the connecting end is installed at the top end of the assembled shell through a rotating shaft, a first pressing face and a second pressing face are arranged on the outer side wall of the connecting end, an included angle between the first pressing face and the second pressing face is 90 degrees, a line face distance between the first pressing face and the rotating shaft is smaller than a line face distance between the second pressing face and the rotating shaft, when the first pressing face is attached to the top face of the guide pressing plate, the pressing shifting piece is in a vertical contact state, and when the second pressing face is attached to the top face of the guide pressing plate, the pressing shifting piece is in a horizontal pressing state.

(III) advantageous effects

Compared with the prior art, the utility model provides a screw wiring end is exempted from to concatenation formula welding PCB board possesses following beneficial effect:

1. the utility model discloses, through assembling casing, contact piece, spring leaf, guide plate and the combination setting of pressing the clamp plate, binding post wholly adopts the push type structure, and it is more convenient than the screw fixation mode operation, and the design has the press plate of state is pressed down to vertical contact state and level in addition, need not to remain throughout with the contact state of press plate at the wiring in-process, has further promoted binding post's convenience in use.

2. The utility model discloses, through set up the conductor contact jaw on the spring plate, and set up first contact tooth at conductor contact end upper surface, set up second contact tooth at the lower surface of contact piece, with the spring leaf with treat between the connecting conductor and with the face contact mode and between connecting conductor and the contact piece face and the face contact mode, the unified stable contact mode that turns into multiple spot and face, increased conductor and spring leaf in the very big degree and pressed the frictional force between the clamp plate, make the connecting conductor connect more firmly, reliably, be difficult for causing the conductor to drop.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the middle contact piece, the spring piece, the guide pressing plate and the pressing plate of the present invention;

FIG. 3 is a schematic structural view of a contact sheet according to the present invention;

FIG. 4 is a schematic structural view of the spring plate of the present invention;

fig. 5 is a schematic structural view of the middle pressing plate of the present invention.

In the figure: 1. assembling the shell; 2. a contact piece; 201. a second contact tooth; 3. a spring plate; 301. a conductor contact end; 302. a first contact tooth; 303. a pressing contact portion; 4. a guide pressure plate; 5. a pressing plate; 501. pressing the shifting sheet; 502. a connecting end; 5021. a first pressing surface; 5022. a second pressing surface; 6. a guide groove; 7. a limiting part; 8. and pressing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-5, a spliced PCB terminal without screws according to an embodiment of the present invention includes a splicing casing 1, a contact piece 2, a spring piece 3, a guiding pressing plate 4 and a pressing plate 5, the contact piece 2 is located inside the splicing casing 1, the spring piece 3 is connected to the contact piece 2, the guiding pressing plate 4 is in sliding fit with the left and right sides of the contact piece 2, the bottom end of the guiding pressing plate 4 contacts with the spring piece 3, the guiding pressing plate 4 is installed between the spring piece 3 and the pressing plate 5, the pressing plate 5 is installed at the top end of the splicing casing 1 through a rotating shaft, the top end of the spring piece 3 is provided with a conductor contact end 301, the upper surface of the conductor contact end 301 is provided with a first contact tooth 302, the lower surface of the contact piece 2 is provided with a second contact tooth 201 above the conductor contact end 301, the pressing plate 5 has a vertical contact state and a horizontal pressing state, when the pressing plate 5 is in the vertical contact state, the spring plate 3 is in a state of being only subjected to the gravity of the guide pressing plate 4, and when the pressing plate 5 is in a horizontal pressing state, the spring plate 3 is subjected to the extrusion force of the pressing plate 5 to enable the conductor contact end 301 and the contact piece 2 to be separated by a gap into which a conductor to be connected can be inserted.

In the above embodiment, when the screw-free terminal connection of the spliced soldering PCB of the present invention is adopted, the pressing plate 5 is firstly pressed into a horizontal state, the pressing plate 5 applies a downward pressure to the guide pressing plate 4 during the pressing process, so that the guide pressing plate 4 presses the conductor contact end 301 of the spring plate 3 downward, thereby leaving a gap between the conductor contact end 301 and the lower surface of the contact plate 2 for the insertion of the conductor to be connected, at this time, the conductor end to be connected can be inserted from the insertion hole on the splicing casing 1, after the conductor end to be connected passes through the gap, the connection conductor is kept still, then the pressing plate 5 is pulled up, the guide pressing plate 4 moves upward under the elastic action of the spring plate 3, so that the pressing plate 5 and the guide pressing plate 4 are in a vertical contact state, at this time, the connection conductor is located between the first contact tooth 302 on the conductor contact end 301 and the second contact tooth 201 on the lower surface of the contact plate 2, the traditional contact plane is set as a tooth surface, so that the friction force between the connecting conductor and the spring piece 3 and between the connecting conductor and the contact piece 2 can be effectively increased, the connecting conductor is not easy to fall off, and the stability and reliability of wiring of the wiring terminal are effectively improved; when the conductor to be connected is required to be pulled out, the pressing plate 5 is only required to be pressed downwards, the wiring end does not need a screw to fix the conductor, quick wiring can be realized, and the wire connecting device has the characteristics of convenience in operation.

As shown in fig. 2, in some embodiments, a limiting portion 7 for limiting the guiding pressing plate 4 is provided inside the assembling housing 1, the guiding pressing plate 4 can only move up and down under the limitation of the limiting portion 7, and a pressing groove 8 adapted to the pressing plate 5 is provided at the top end of the assembling housing 1; through setting up spacing portion 7 in the inside of assembling casing 1, make guide pressure plate 4 only can reciprocate, can guarantee perpendicularly to push down the stability of process, press setting up of groove 8 and can be hidden to pressing the inslot 8 under pressing the clamp plate 5 to be in the horizontality, make overall structure more compact and pleasing to the eye.

As shown in fig. 2 and 3, in some embodiments, the left and right side walls of the contact piece 2 are provided with guide grooves 6, the bottom end of the guide pressing plate 4 is provided with two clamping pieces, the two clamping pieces are respectively arranged corresponding to the two guide grooves 6, and the clamping pieces are in sliding fit with the guide grooves 6; through setting up the clamp plate structure for having two supporting pieces with guide plate 4, convenient and contact piece 2 cooperation, the setting of guide way 6 still plays the guide effect simultaneously, makes the wiring more stable.

As shown in fig. 2 and 4, in some embodiments, the spring plate 3 is provided with a pressing contact portion 303, and the pressing contact portion 303 contacts with the bottom end of the guide pressure plate 4; the pressing contact part 303 is arranged at the side part of the spring piece 3, the pressing contact part 303 is in contact with the clamping piece of the guide pressure plate 4, when the clamping piece of the guide pressure plate 4 is pressed downwards, pressure is applied to the pressing contact part 303, so that the whole spring piece 3 is deformed to a certain extent, and a gap for inserting a conductor to be connected is separated between the conductor contact end 301 of the spring piece 3 and the contact piece 2.

As shown in fig. 2 and 5, in some embodiments, the pressing plate 5 includes a pressing paddle 501 and a connecting end 502, the pressing paddle 501 is integrally connected to the connecting end 502, the connecting end 502 is mounted on the top end of the assembled housing 1 through a rotating shaft, a first pressing surface 5021 and a second pressing surface 5022 are arranged on the outer side wall of the connecting end 502, an included angle between the first pressing surface 5021 and the second pressing surface 5022 is 90 °, a line-to-line distance between the first pressing surface 5021 and the rotating shaft is smaller than a line-to-line distance between the second pressing surface 5022 and the rotating shaft, when the first pressing surface 5021 is attached to the top surface of the guide pressure plate 4, the pressing paddle 501 is in a vertical contact state, and when the second pressing surface 5022 is attached to the top surface of the guide pressure plate 4, the pressing paddle 501 is in a horizontal pressing state; during operation, the pressing poking sheet 501 is pressed downwards to be in a horizontal state, at the moment, the second pressing surface 5022 is in surface contact with the upper surface of the guide pressing plate 4, downward pressure is applied to the guide pressing plate 4, the guide pressing plate 4 is enabled to press the conductor contact end 301 of the spring sheet 3 downwards, a gap for a conductor to be connected to be inserted is formed between the conductor contact end 301 and the lower surface of the contact sheet 2, the connection conductor is directly inserted into the gap, and finally the pressing poking sheet 501 is poked up, at the moment, the pressing poking sheet 501 is in a vertical state, the spring sheet 3 is in an original state recovery process, due to the obstruction of the connection conductor, the connection conductor is enabled to be always subjected to pressure from the spring sheet 3, the pressure from the spring sheet 3 is converted into friction force of the connection conductor, and the connection conductor is enabled to be in stable contact with the contact sheet 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a screw wiring end is exempted from to PCB board is welded to concatenation formula, includes assembles casing (1), contact piece (2), spring leaf (3), guide clamp plate (4) and pressing plate (5), its characterized in that: the contact piece (2) is arranged in the assembly shell (1), the spring piece (3) is connected to the contact piece (2), the guide pressing plate (4) is in sliding fit with the left side and the right side of the contact piece (2), the bottom end of the guide pressing plate (4) is in contact with the spring piece (3), the guide pressing plate (4) is installed between the spring piece (3) and the pressing plate (5), the pressing plate (5) is installed at the top end of the assembly shell (1) through a rotating shaft, the top end of the spring piece (3) is provided with a conductor contact end (301), the upper surface of the conductor contact end (301) is provided with a first contact tooth (302), the lower surface of the contact piece (2) is provided with a second contact tooth (201) above the conductor contact end (301), the pressing plate (5) has a vertical contact state and a horizontal pressing state, and when the pressing plate (5) is in the vertical contact state, the spring piece (3) is in a state of being only subjected to the gravity of the guide pressing plate (4), and when the pressing plate (5) is in a horizontal pressing state, the spring piece (3) is subjected to the extrusion force of the pressing plate (5) to enable a gap for inserting a conductor to be connected to be separated between the conductor contact end (301) and the contact piece (2).

2. The spliced type soldered PCB screwless terminal of claim 1, wherein: the assembling type shell is characterized in that a limiting portion (7) used for limiting the guide pressing plate (4) is arranged inside the assembling type shell (1), the guide pressing plate (4) can only move up and down under the limitation of the limiting portion (7), and a pressing groove (8) matched with the pressing plate (5) is formed in the top end of the assembling type shell (1).

3. The spliced type soldered PCB screwless terminal of claim 1, wherein: all be equipped with guide way (6) on the left and right sides wall of contact piece (2), the bottom of guide clamp plate (4) is equipped with two holding pieces, and two holding pieces correspond the setting with two guide way (6) respectively, and holding piece and guide way (6) sliding fit.

4. The spliced type soldered PCB screwless terminal of claim 1, wherein: the spring piece (3) is provided with a pressing contact part (303), and the pressing contact part (303) is in contact with the bottom end of the guide pressure plate (4).

5. The spliced type soldered PCB screwless terminal of claim 1, wherein: the pressing plate (5) consists of a pressing plectrum (501) and a connecting end (502), the pressing poking sheet (501) is integrally connected to the connecting end (502), the connecting end (502) is arranged at the top end of the assembling shell (1) through a rotating shaft, a first pressing surface (5021) and a second pressing surface (5022) are arranged on the outer side wall of the connecting end (502), the included angle between the first pressing surface (5021) and the second pressing surface (5022) is 90 degrees, the linear-surface distance between the first pressing surface (5021) and the rotating shaft is smaller than the linear-surface distance between the second pressing surface (5022) and the rotating shaft, when the first pressing surface (5021) is attached to the top surface of the guide pressure plate (4), the pressing poking sheet (501) is in a vertical contact state, when the second pressing surface (5022) is attached to the top surface of the guide pressing plate (4), the pressing poking piece (501) is in a horizontal pressing state.