CN218216874U

CN218216874U - PCB board connection structure

Info

Publication number: CN218216874U
Application number: CN202221804015.XU
Authority: CN
Inventors: 张罗欢
Original assignee: Ningbo Dechang Electric Co ltd
Current assignee: Ningbo Dechang Electric Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-01-03
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a PCB board connection structure aims at providing one kind and can make things convenient for arrange in order the contact pin fast, make PCB board and the PCB board connection structure that stator connection efficiency improves. It includes the skeleton, the wraparound has the lead wire on the skeleton, be equipped with a plurality of contact pin holes on the skeleton, be equipped with the connecting piece on the contact pin hole, the connecting piece includes the contact pin, contact pin and contact pin hole grafting, contact pin and lead wire end wraparound are equipped with slide bar and stabilizing ring on the contact pin, slide bar and stabilizing ring all cup joint with the contact pin, stabilizing ring and skeleton swing joint, slide bar and contact pin sliding connection are equipped with the PCB board on the skeleton, be equipped with the connecting hole on the PCB board, the contact pin is pegged graft with the connecting hole. The utility model has the advantages that: can make things convenient for quick regular contact pin, prevent that the contact pin from warping, keep vertical state and PCB board to be connected, make things convenient for the later stage to overhaul to maintain when having stability, reach and improve to connect into power, the PCB board has the effect of high-efficient being connected with the stator.

Description

PCB board connection structure

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to indicate a PCB board connection structure.

Background

In the production process of the motor, the PCB is usually required to be fixed on the stator core composed of a plurality of circle-splicing welded stator core units, so as to realize circuit connection of the stator coils in each stator core unit, and further realize the motor function when being electrified. In the process of mounting the PCB, the PCB is generally fixed by directly welding or by using a pin as a connector to be inserted into a lead pin of the stator core.

Chinese patent grant publication no: CN 208539682U, the 22 days of 2019 year 02 month of authorized announcement day, the utility model discloses a motor stator and motor, this motor stator includes stator core (1) and PCB board (2), and stator core includes a plurality of stator coils (11) and coil insulation frame (12) of arranging along circumference, and the top of coil insulation frame is equipped with lead wire contact pin (13), is equipped with corresponding contact pin mounting hole (21) on the PCB board, and the top of coil insulation frame still is equipped with prevents slow-witted location structure for lead wire contact pin location suit is in corresponding contact pin mounting hole on the PCB board. The technical scheme has the defects that the contact pins are prone to being skewed before and during installation of the PCB, rapid arrangement cannot be achieved, the contact pins are difficult to reset, the PCB cannot be positioned and installed, even the skewed contact pins are further pressed, connection of the PCB and the contact pins fails, and accordingly installation efficiency of the PCB on the stator is reduced.

In conclusion, the oblique pins cannot be quickly arranged, and the connection efficiency of the PCB and the stator is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome that contact pin slope can't arrange in order fast among the prior art, reduce the not enough of the efficiency of being connected of PCB board and stator, provide one kind can make things convenient for arrange in order the contact pin fast, make PCB board and stator connection efficiency improve PCB board connection structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PCB board connection structure, includes the skeleton, the wraparound has the lead wire on the skeleton, be equipped with a plurality of contact pin holes on the skeleton, be equipped with the connecting piece on the contact pin hole, the connecting piece includes the contact pin, contact pin and contact pin hole grafting, contact pin and lead wire end wraparound are equipped with slide bar and stable ring on the contact pin, slide bar and stable ring all cup joint with the contact pin, stable ring and skeleton swing joint, slide bar and contact pin sliding connection are equipped with the PCB board on the skeleton, be equipped with the connecting hole on the PCB board, the contact pin is pegged graft with the connecting hole.

The lead is in winding connection with the framework, a plurality of pin holes are formed in the end face of the framework, pins are connected into the pin holes, two ends of the end of the lead are connected to the pins in winding connection, and the pins are made to be conducted with the lead. The contact pin is sleeved with the sliding rod and the stabilizing ring, the stabilizing ring is connected with the framework and is arranged at the lower end of the contact pin and the connection port of the contact pin, a wrapping lead and the connection port of the contact pin are arranged, the sliding rod is arranged above the stabilizing ring and slides up and down along the contact pin, the contact pin can quickly restore to a vertical state through the up-and-down sliding of the sliding rod when the contact pin deforms in a mistaken contact mode, and then the PCB board can pass through the connecting hole to pass through the upper end of the vertical contact pin, the PCB board and the contact pin can achieve the effect of quick connection, the PCB board is quickly connected to the stator, and the contact pin can conveniently and regularly deform and simultaneously achieve the effect of quickly installing the PCB board.

Preferably, the stabilizing ring is provided with a yielding hole, the lead penetrates through the yielding hole, the stabilizing ring is provided with a screw, one end of the screw is in threaded connection with the stabilizing ring, and the other end of the screw is in threaded connection with the framework. The lower extreme department of stabilizing the ring is equipped with the hole of stepping down, makes things convenient for the lead wire to pass from stabilizing the ring and gets into and then be connected with the contact pin winding, prevents that stabilizing the ring and producing the crooked roughness that influences the slide bar, and the surface of stabilizing the ring is passed through the screw rod and is connected with the skeleton, and then makes things convenient for later stage maintenance motor when guaranteeing stability.

Preferably, the slide rod is provided with a through hole, the contact pin penetrates through the through hole, a guide surface is arranged on the hole wall of the through hole, the guide surface is an inclined surface, and the structural shape of the guide surface is a horn shape which is opened towards the stabilizing ring. The slide bar cup joints through-hole and contact pin, and the upper portion of pore wall pastes with the surface of contact pin mutually in the through-hole, and the lower part of through-hole pore wall is established to the spigot surface, and the surface of spigot surface is the inclined plane, and the spigot surface is loudspeaker form towards the stationary ring opening, makes the lower extreme bore crescent of through-hole, and then makes things convenient for being connected of slide bar and contact pin, reaches the effect of quick installation slide bar and removal slide bar, improves the installation effectiveness of PCB board.

Preferably, the hole wall of the connecting hole is an inclined surface, and the connecting hole is in a trumpet shape which is opened towards the sliding rod. The structural shape of the connecting hole on the PCB is a horn-shaped inclined hole wall, and the opening direction of the connecting hole faces towards the sliding rod, so that the installation efficiency of the PCB and the contact pin is improved.

Preferably, the slide bars are provided with connecting rods, and two ends of each connecting rod are respectively connected with the adjacent slide bars. Set up the connecting rod on the slide bar, adjacent slide bar surface is connected at the both ends of connecting rod, makes all slide bars connect into whole, and then can once only arrange all contact pins fast when arranging the contact pin for the contact pin obtains high-efficient arrangement, ensures that all contact pins keep the connecting hole butt joint of vertical form and PCB board, reaches the effect that the improvement connects into power and connection efficiency.

Preferably, the framework is provided with a limiting groove, a limiting rod is arranged in the limiting groove, one end of the limiting rod is inserted into the limiting groove, and the other end of the limiting rod is connected with the connecting rod. The skeleton has been pegged graft the gag lever post through the spacing groove, and the one end scarf joint of gag lever post is at the spacing inslot, and the other end of gag lever post is connected with the lower terminal surface of connecting rod, and then makes the connecting rod drive the slide bar and can keep vertical removal when reciprocating, increases the verticality that the slide bar removed, prevents that the contact pin from producing under the effort is uneven crooked, and then further strengthens the stability of contact pin arrangement to improve the effect of connecting success rate and connection efficiency.

The beneficial effects of the utility model are that: can make things convenient for quick regular contact pin, prevent that the contact pin from warping, keep vertical state and PCB board to be connected, make things convenient for the later stage to overhaul to maintain when having stability, reach and improve to connect into power, the PCB board has the effect of high-efficient being connected with the stator.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the connection of the frame and the pins;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a sectional view showing a state where the PCB board is connected to the pins.

In the figure: 1. the lead frame comprises a framework, 2 leads, 3 pin holes, 4 pins, 5 slide bars, 6 stabilizing rings, 7 PCB boards, 8 connecting holes, 9 abdicating holes, 10 screws, 11 through holes, 12 guide surfaces, 13 connecting rods, 14 limiting grooves and 15 limiting rods.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1:

as shown in figures 1 and 2, a PCB board connection structure, including skeleton 1, the wire winding is connected with lead wire 2 on the skeleton 1, is equipped with a plurality of contact pin holes 3 on the skeleton 1, is equipped with the connecting piece on the contact pin hole 3, and the connecting piece includes contact pin 4, and contact pin 4 pegs graft with contact pin hole 3,

contact pin

4 and 2 end wire windings of lead wire. The framework 1 is provided with a PCB 7.

As shown in FIG. 3, a sliding rod 5 and a stabilizing ring 6 are arranged on the contact pin 4, the sliding rod 5 and the stabilizing ring 6 are both sleeved with the contact pin 4, the stabilizing ring 6 is movably connected with the framework 1, and the sliding rod 5 is slidably connected with the contact pin 4. The slide bars 5 are provided with connecting rods 13, and two ends of each connecting rod 13 are respectively connected with the adjacent slide bars 5. The framework 1 is provided with a limiting groove 14, a limiting rod 15 is arranged in the limiting groove 14, one end of the limiting rod 15 is connected with the limiting groove 14 in an inserting mode, and the other end of the limiting rod 15 is connected with the connecting rod 13.

As shown in fig. 4, the PCB 7 is provided with a connection hole 8, and the pin 4 is inserted into the connection hole 8. The stable ring 6 is provided with a yielding hole 9, the lead 2 penetrates through the yielding hole 9, the stable ring 6 is provided with a screw rod 10, one end of the screw rod 10 is in threaded connection with the stable ring 6, and the other end of the screw rod 10 is in threaded connection with the framework 1. The slide rod 5 is provided with a through hole 11, the pin 4 penetrates through the through hole 11, a guide surface 12 is arranged on the hole wall of the through hole 11, the guide surface 12 is an inclined surface, and the structural shape of the guide surface 12 is a horn shape which is opened towards the stabilizing ring 6. The hole wall of the connecting hole 8 is an inclined plane, and the connecting hole 8 is in a horn shape which is opened towards the sliding rod.

As shown in fig. 1-4: lead wire 2 (stator coil) is on skeleton 1 in the wraparound, and the end of a thread both ends of lead wire 2 are connected on contact pin 4 in the wraparound, handle the junction through dip soldering in the operation, make contact pin 4 and lead wire 2 switch on.

The contact pin 4 is sleeved with the sliding rod 5 and the stabilizing ring 6, the outer surface of the sliding rod 5 is in a conical shape, which end of the sliding rod 5 is arranged with the guide surface 12 is convenient to judge from the outer surface, and the end with the large diameter is arranged to be the position with the guide surface 12 in the through hole 11, so that the contact pin can be quickly inserted and connected with the contact pin during installation.

The stabilizing ring 6 is connected with the framework 1 through the screw rod 10, so that the stabilizing ring 6 is fixed on the framework 1, the height of the stabilizing ring 6 is higher than the winding height of the lead 2 and the contact pin 4, the joint of the lead 2 and the contact pin 4 is wrapped, and the sliding of the sliding rod 5 is prevented from influencing the connection of the lead 2 and the contact pin 4.

Installing a connecting piece: the pin 4 is inserted into the pin hole 3, the stabilizing ring 6 is fixed on the framework 1 through the screw 10, all the slide rods 5 are inserted into the pin 4 through the guide surface 12 and the connecting rod 3, and the limiting rod 15 is inserted into the limiting groove 14. And (4) adjusting the contact pin: the connecting rod 13 is moved to slide the limiting rod 15 along the limiting groove 14, and the connecting rod 13 drives each sliding rod 5 to move up and down, so that the inserting needle 4 in the through hole 11 is repeatedly straightened, and the inserting needle 4 is kept in an optimal vertical state. Installing a PCB (printed Circuit Board): the PCB and the contact pin 4 are inserted through the connecting hole 8, the contact pin 4 penetrates through the connecting hole 8, the PCB is connected to the stator along the vertical contact pin 4, the PCB and the contact pin 4 are fixed through dip soldering, and the connection of the PCB and the stator is completed.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a PCB board connection structure, characterized by, includes skeleton (1), the solderless wrapped connection has lead wire (2) on skeleton (1), be equipped with a plurality of contact pin holes (3) on skeleton (1), be equipped with the connecting piece on contact pin hole (3), the connecting piece includes contact pin (4), contact pin (4) are pegged graft with contact pin hole (3), contact pin (4) and lead wire (2) end solderless wrapped connection, be equipped with slide bar (5) and stabilizing ring (6) on contact pin (4), slide bar (5) and stabilizing ring (6) all cup joint with contact pin (4), stabilizing ring (6) and skeleton (1) swing joint, slide bar (5) and contact pin (4) sliding connection, be equipped with PCB board (7) on skeleton (1), be equipped with connecting hole (8) on PCB board (7), contact pin (4) are pegged graft with connecting hole (8).

2. The PCB connecting structure according to claim 1, wherein a abdicating hole (9) is formed in the stabilizing ring (6), the lead (2) penetrates through the abdicating hole (9), a screw (10) is formed in the stabilizing ring (6), one end of the screw (10) is in threaded connection with the stabilizing ring (6), and the other end of the screw (10) is in threaded connection with the framework (1).

3. A PCB board connecting structure according to claim 1, wherein the sliding rod (5) is provided with a through hole (11), the pin (4) penetrates through the through hole (11), a guiding surface (12) is provided on the wall of the through hole (11), the guiding surface (12) is an inclined surface, and the guiding surface (12) is in a horn shape opening toward the stabilizing ring (6).

4. The PCB board connecting structure according to claim 1, wherein the wall of the connecting hole (8) is a slope, and the connecting hole (8) is formed in a trumpet shape that is opened toward the sliding bar.

5. The PCB connecting structure of claim 1, wherein the sliding rods (5) are provided with connecting rods (13), and two ends of each connecting rod (13) are respectively connected with the adjacent sliding rods (5).

6. The PCB connecting structure according to claim 5, wherein a limiting groove (14) is formed on the frame (1), a limiting rod (15) is arranged in the limiting groove (14), one end of the limiting rod (15) is inserted into the limiting groove (14), and the other end of the limiting rod (15) is connected with the connecting rod (13).