CN213816471U - Circuit board connecting device and electronic device - Google Patents

Abstract

The utility model belongs to the technical field of electronic equipment, and discloses a circuit board connecting device and an electronic device, when a first circuit board is connected with a second circuit board, a fixed row of nuts are inserted and connected in a guide jack, the first ends of contact pins are connected with a first row of needle seats of the first circuit board, then a guide piece is connected with the first circuit board to fix the position of the guide piece, because the fixed row of nuts are positioned in the guide jack, the hole wall of the guide jack can limit the fixed row of nuts to shake relative to the circuit board, thereby limiting the contact pins connected with the fixed row of nuts to shake, when the contact pins are welded on the first circuit board, the contact pins can keep straight and not skew, so that the second ends of the contact pins can be smoothly inserted into the jacks of the second needle seats on the second circuit board, the guide piece can prevent the row of needle assemblies from shaking, reduce the deformation of the contact pins, and ensure that the two circuit boards are well contacted with the contact pins, the contact pin is located semi-closed cavity, avoids impurity and contact of contact pin to cause the short circuit, improves the electronic equipment security.

Description

Circuit board connecting device and electronic device

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a circuit board connecting device and electron device.

Background

Various electronic components such as resistors, capacitors, diodes, and the like are provided in the electronic device. The number of electronic components is large, various electronic components must be interconnected according to a correct circuit schematic diagram to realize a predetermined function, and if all the electronic components are connected by adopting a lead, the circuits in the electronic equipment are disordered, and the operation is complex during connection, so that errors are easy to occur. Therefore, each electronic element is arranged on the welding plate of the circuit board according to the circuit principle diagram and is welded and fixed by using soldering tin, so that the connection of each electronic element is realized, the operation is simple, and the connection error is avoided.

However, a plurality of circuit boards are disposed in a complicated electronic device, and the circuit boards need to be connected to realize a preset function of the electronic device. The two circuit boards are usually connected by using a conductive pin header, the pin header comprises a plurality of pins, one end of each pin is connected to a pad of one circuit board in a penetrating manner, and the other end of each pin is inserted into a jack on the other circuit board, so that the two circuit boards are electrically connected and/or signal transmission is realized.

A plurality of contact pins and circuit board welding time operation difficulty, it is askew to weld the contact pin easily, lead to the contact pin can't insert the jack of another circuit board smoothly, because the contact pin is thinner, the contact pin is out of shape easily after two circuit boards are connected moreover, causes contact failure between two circuit boards, the unable normal use of electronic equipment. In addition, impurities are easily attached to the contact pins, short circuit is caused, and the operation safety of the electronic equipment is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board connecting device keeps holding just not crooked when making the contact pin with first circuit board welding to in making the contact pin insert the jack of second circuit board smoothly, contact pin non-deformable guarantees that two circuit board contacts are good, and difficult attached impurity is avoided the short circuit moreover on the contact pin, improves the security and the reliability of electronic equipment operation.

Another object of the present invention is to provide an electronic device, wherein the connection between the circuit boards in the electronic device is stable and reliable, the contact is good, the contact pin is not easy to deform, and the safety and reliability of the electronic device are effectively improved.

To achieve the purpose, the utility model adopts the following technical proposal:

in a first aspect, there is provided a circuit board connection device for connecting a first circuit board and a second circuit board, the circuit board connection device comprising:

the guide piece is configured to be connected to the first circuit board, and a guide jack is formed in the guide piece;

arrange the needle subassembly, including fixed row mother and through connection in a plurality of contact pins on the fixed row mother, fixed row mother insert establish connect in the direction jack, the first end of contact pin be configured to connect in on the first row needle file of first circuit board, the second end of contact pin be configured to connect in on the second row needle file of second circuit board.

As the utility model provides a circuit board connecting device's preferred scheme, the guide includes the elasticity joint arm, it is female to arrange female first row and the second that sets up including the interval female fixed row, first row female with form the joint chamber between the second row is female, the elasticity joint arm with the cooperation of joint chamber.

As the utility model provides a circuit board connecting device's preferred scheme, elasticity joint arm is including the cantilever and the pothook that link to each other, the pothook card is gone into the joint intracavity.

As the utility model provides a circuit board connecting device's preferred scheme, be provided with the mounting hole on the guide, the mounting hole with direction jack intercommunication, elasticity joint arm set up in the pore wall of mounting hole.

As the utility model provides a circuit board connecting device's preferred scheme, elasticity joint arm is provided with two, two elasticity joint arm branch is located first row female relative both sides to follow the first direction centre gripping first row is female.

As the utility model provides a circuit board connecting device's preferred scheme, the guide still includes the location arch, the location arch is configured to insert in the location jack on the first row of needle file.

As the utility model provides a circuit board connecting device's preferred scheme, the direction jack is including the guiding hole and the spacing jack that are linked together, fixed row mother insert establish in the spacing jack, the guiding hole is used for right fixed row mother inserts the motion direction of spacing jack.

As the utility model provides a circuit board connecting device's preferred scheme, the guide still includes first spacing portion, first spacing portion is protruding to be located the pore wall of direction jack, first spacing portion with female butt is arranged in the fixed, in order to restrict the fixed female removal of following the second direction of arranging, the second direction with the first direction is perpendicular.

As the utility model provides a circuit board connecting device's preferred scheme, spacing jack is kept away from the pore wall epirelief of the one end of guiding hole is equipped with the spacing portion of second, the spacing portion of second with the female butt of fixed row, in order to restrict fixed row is female to be followed the direction removal is established in inserting of the first end of contact pin.

In a second aspect, an electronic device is provided, which comprises the circuit board connecting device as described above.

The utility model has the advantages that:

the utility model provides an among circuit board connecting device and contain its electronic device, arrange the needle subassembly including the fixed female and through connection arrange female a plurality of contact pins that can electrically conduct in the fixed, the both ends of contact pin are connected with first circuit board and second circuit board respectively to realize the electricity between two circuit boards and/or signal transmission, the fixed female a plurality of contact pins that are used for fixing of arranging. The guide piece is provided with a guide jack, when the first circuit board is connected with the second circuit board, the fixed row bus is inserted and connected in the guide jack, a plurality of contact pins connected with the fixed row bus are also positioned in the guide jack, the first ends of the contact pins are connected with the first row needle base of the first circuit board, then the guide piece is connected with the first circuit board to fix the position of the guide piece on the first circuit board, so that the guide piece is stably and firmly arranged on the first circuit board, because the fixed row bus is positioned in the guide jack, the hole wall of the guide jack can limit the fixed row bus to shake relative to the circuit board, thereby limiting the contact pins connected with the fixed row bus, when the contact pins are welded on the first circuit board, the contact pins can keep the ends not skew, so that the second ends of the contact pins can be smoothly inserted into the jacks of the second needle base on the second circuit board, so as to realize the connection of the first circuit board and the second circuit board, ensure that electronic equipment can realize predetermined function, two circuit boards are connected the back, the guide is located between two circuit boards, can prevent to arrange the needle subassembly and rock, reduce the deformation of contact pin, guarantee that two circuit boards and contact pin contact are good, moreover, the guide can provide the protection for the contact pin, makes the contact pin be located relative confined cavity, the pore wall of direction jack can block outside impurity and contact pin contact, avoids the short circuit, prevents that the circuit board from burning out, improves the security of electronic equipment operation.

Drawings

Fig. 1 is an isometric view of an electronic device provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of a connection between a circuit board connection device and a first circuit board and a second circuit board according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a guide member of a circuit board connecting device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a guide and a pin header assembly of the circuit board connection device according to an embodiment of the present invention.

In the figure:

1-a guide; 2-a pin header assembly;

11-a guide jack; 12-an elastic snap arm; 13-mounting holes; 14-positioning protrusions; 15-a first limiting part; 16-a second limiting part;

21-fixing the row of nuts; 22-pin insertion; 23-a clamping cavity;

111-a pilot hole; 112-a limit jack; 1111-a first hole; 1112-a second aperture;

121-cantilever; 122-hook;

211-first row of mother; 212-second row of mother;

100-a first circuit board; 200-a second circuit board; 101-a first row of needle seats; 201-second row of needle seats.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 4, the present embodiment provides a circuit board connection device for connecting a first circuit board 100 and a second circuit board 200. The circuit board connection device comprises a guide member 1 and a pin header assembly 2.

The pin header assembly 2 includes a fixed header 21 and a plurality of electrically conductive pins 22 connected through the fixed header 21. The two ends of the contact pin 22 are connected to the first circuit board 100 and the second circuit board 200, respectively, to realize the connection between the two circuit boards. The fixed row of female pins 21 is used to fix a plurality of pins 22.

The first circuit board 100 includes a first row of sockets 101, and a first receptacle is formed on the first row of sockets 101. The second circuit board 200 includes a second pin header 201, and a second insertion hole is formed on the second pin header 201. Two ends of the pin 22 are respectively inserted into the first jack and the second jack to realize the electrical connection and/or signal transmission between the two circuit boards.

The guide member 1 is provided with a guide jack 11, when the first circuit board 100 and the second circuit board 200 are connected, firstly, the fixed row bus 21 is inserted and connected in the guide jack 11, the plurality of pins 22 connected with the fixed row bus 21 are also positioned in the guide jack 11, then, the first ends of the pins 22 are inserted and arranged in the first jack of the first circuit board 100, then, the guide member 1 is connected with the first circuit board 100 to fix the position of the guide member 1 on the first circuit board 100, so that the guide member 1 is stably and firmly arranged on the first circuit board 100, because the fixed row bus 21 is positioned in the guide jack 11, the hole wall of the guide jack 11 can limit the fixed row bus 21 to swing relative to the circuit board, thereby limiting the pins 22 connected with the fixed row bus 21 to swing, therefore, when the pins 22 are welded on the first circuit board 100, the pins 22 can keep the ends straight and not inclined, so that the second ends of the pins 22 can be smoothly inserted into the second jack on the second circuit board 200, in order to realize being connected of first circuit board 100 and second circuit board 200, ensure that electronic equipment can realize predetermined function, two circuit board connection backs, guide 1 is located between two circuit boards, can prevent row needle subassembly 2 from rocking, reduce the deformation of contact pin 22, guarantee that two circuit boards and contact pin 22 contact well, and, guide 1 can provide the protection for contact pin 22, make contact pin 22 be located relative confined cavity, the pore wall of direction jack 11 can block outside impurity and contact pin 22 contact, avoid the short circuit, prevent that the circuit board from burning out, improve the security of electronic equipment operation.

As shown in fig. 2 and 3, guide 1 is optionally provided with resilient snap arms 12 for connecting guide 1 to header assembly 2. The fixed row of female keys 21 includes a first row of female keys 211 and a second row of female keys 212 arranged at intervals. A clamping cavity 23 is formed between the first row of female members 211 and the second row of female members 212, the elastic clamping arm 12 is matched with the clamping cavity 23 to fix the positions of the first row of female members 211 and the second row of female members 212 in the guide insertion hole 11, and the first row of female members 211 and the second row of female members 212 are pressed on the hole wall of the guide insertion hole 11 under the elastic force action of the elastic clamping arm 12 to limit the first row of female members 211 and the second row of female members 212 to swing in the guide insertion hole 11. Because the pins 22 are sequentially connected to the first row of female terminals 211 and the second row of female terminals 212 in a penetrating manner, the pins 22 can be kept stable and do not shake in the guide insertion holes 11, and the operation is convenient when the pins 22 are soldered to the first circuit board 100.

In other embodiments, an elastic protrusion may be disposed on the first row of nuts 211 and/or the second row of nuts 212, a slot is formed on a hole wall of the guiding insertion hole 11, and the elastic protrusion is inserted into the slot to fix positions of the first row of nuts 211 and the second row of nuts 212 in the guiding insertion hole 11.

In the present embodiment, the guide 1 is preferably made of plastic. The plastic has both elasticity and strength, so that the elastic clamping arm 12 has good elastic deformation capability. Moreover, the plastic has good insulation property, so that the first circuit board 100 and the second circuit board 200 can transmit current or electrical signals through the pins 22, and short circuit is avoided. In addition, usually two circuit boards need to use multiunit row needle subassembly 2 when connecting, and multiunit row needle subassembly 2 all is connected with guide 1, and plastics low in cost easily obtains, can practice thrift the cost. Likewise, the fixed row of nuts 21 is also made of plastic.

As shown in fig. 3, the resilient snap-in arm 12 optionally includes a cantilever arm 121 and a catch 122 connected thereto. When the pin header assembly 2 is inserted into the guiding insertion hole 11, the second row of female pins 212 located below moves along the inclined surface of the hook 122, thereby pushing the hook 122 and the cantilever 121 to move outward, and elastically deforming adaptively, so as to ensure that the second row of female pins 212 has enough moving space. With the first row of nuts 211 and the second row of nuts 212 continuing to extend into the guide insertion hole 11, the clamping cavity 23 is opposite to the hook 122, the hook 122 is clamped into the clamping cavity 23 under the elastic force of the cantilever 121, and the cantilever 121 is restored to the original state. Since the hooks 122 are caught between the first row of the female connectors 211 and the second row of the female connectors 212, the hooks 122 can limit the axial displacement of the first row of the female connectors 211 and the second row of the female connectors 212 along the guide insertion hole 11.

In this embodiment, the cantilever 121 can be pressed on the first row of female connectors 211 to increase the contact area between the elastic clamping arm 12 and the fixed row of female connectors 21, thereby improving the stable firmness of the fixed row of female connectors 21 in the guiding insertion holes 11.

As shown in fig. 3, the guide 1 is preferably further provided with a mounting hole 13. The mounting hole 13 communicates with the guide insertion hole 11. The cantilever 121 of the elastic clamping arm 12 is arranged on the wall of the mounting hole 13. Through setting up mounting hole 13, can guarantee that elasticity joint arm 12 has sufficient deformation space for elasticity joint arm 12 is not blockked when outwards moving, thereby makes fixed female 21 of arranging insert in the direction jack 11 smoothly.

As shown in fig. 3, in the present embodiment, the guide 1 has mounting holes 13 formed on opposite sides thereof. The hole walls of the two mounting holes 13 are provided with an elastic clamping arm 12. Two elastic clamping arms 12 are respectively arranged at two opposite sides of the first row of nuts 211. When the fixed row of nuts 21 is inserted into the guide insertion hole 11, the hooks 122 at both sides are clipped into the clipping cavity 23 formed by the first row of nuts 211 and the second row of nuts 212 under the elastic force action of the elastic clipping arm 12. Simultaneously, two cantilevers 121 voltage-sharing are tight on female 211 of first row to along female 211 of first direction centre gripping, increase guide 1 and the fixed area of contact who arranges female 21, make fixed female 21 of arranging firmly connect in direction jack 11, thereby improve contact pin 22's stability, contact pin 22's when reducing the welding rocks. In other embodiments, one mounting hole 13 may be formed in the guide 1, or more than three mounting holes 13 may be formed in the guide 1, and accordingly, one or more elastic clamping arms 12 may be disposed on the wall of the mounting hole 13, which may be specifically defined according to actual requirements.

As shown in fig. 3 and 4, the guide insertion hole 11 may alternatively include a guide hole 111 and a limit insertion hole 112 communicating with each other. The fixed row of nuts 21 is inserted into the limit insertion holes 112. The guide hole 111 is used for guiding the movement of the fixed row of nuts 21 inserted into the limit insertion holes 112, so that the fixed row of nuts 21 can be quickly aligned and inserted into the limit insertion holes 112, the operation is convenient and easy, and the working efficiency is improved.

In this embodiment, the second row of pins 201 is protruded on the board body of the second circuit board 200. The second pin header 201 is inserted into the limiting jack 112, and the second end of the contact pin 22 is inserted into the second jack on the second pin header 201, so that the first circuit board 100 and the second circuit board 200 are connected. The guiding hole 111 can guide the movement of inserting the second row needle base 201 into the limiting insertion hole 112, so that the second row needle base 201 is smoothly inserted into the limiting insertion hole 112, and the working efficiency is improved.

As shown in fig. 3 and 4, the guide hole 111 may alternatively include a first hole 1111 and a second hole 1112 communicating with each other. The aperture of the guide hole 111 is larger than that of the limiting insertion hole 112, so that the fixed row nut 21 or the second row needle seat 201 can conveniently enter the guide hole 111. The cross section of the second hole 1112 is gradually reduced along the insertion direction of the fixed row female 21, so that the hole wall of the second hole 1112 forms a guide slope. The first hole 1111 and the limit insertion hole 112 are transited by a guide slope of the second hole 1112. After the fixed row of female 21 or the second row of needle file 201 got into first hole 1111, followed the direction inclined plane and aimed at fast and insert in spacing jack 112, convenient operation, work efficiency is high.

Preferably, the size of second row of needle file 201 and the aperture adaptability cooperation of spacing jack 112 for second row of needle file 201 can the butt on the pore wall of spacing jack 112, reduces rocking of second row of needle file 201 in spacing jack 112, thereby makes the second end of contact pin 22 peg graft in the second jack on second row of needle file 201 steadily, avoids appearing contact failure, guarantees electronic equipment's normal use.

As shown in fig. 4, optionally, the guide 1 further includes a first stopper 15. The first limiting portion 15 is protruded on the hole wall of the limiting insertion hole 112. The first limiting portion 15 abuts against the first row of nuts 211 and the second row of nuts 212 to limit the first row of nuts 211 and the second row of nuts 212 to move along a second direction, wherein the second direction is perpendicular to the first direction. The first limiting portion 15 and the elastic clamping arm 12 cooperate to limit the first row of female pins 211 and the second row of female pins 212 to move along the radial direction of the guide insertion hole 11, and the shaking of the fixed row of female pins 21 and the contact pins 22 in the guide insertion hole 11 is reduced.

As shown in fig. 4, optionally, a second limiting portion 16 is convexly disposed on a hole wall of one end of the limiting insertion hole 112 away from the guide hole 111. The second limiting portion 16 abuts against the fixed row nut 21 to limit the fixed row nut 21 from moving along the insertion direction of the first end of the pin 22. In the embodiment, since the elastic latching arm 12 has a function of stopping the movement, after the fixed row of female connectors 21 are inserted into the position-limiting insertion holes 112, the first row of female connectors 211 is hooked by the hooks 122, so that the fixed row of female connectors 21 cannot be pulled out reversely. By providing the second stopper portion 16, the fixed row bus 21 can be prevented from continuing to move in the insertion direction thereof (the insertion direction of the first end of the pin 22). The hook 122 and the second limiting portion 16 cooperate to block the fixed bar 21 and the pin 22 from moving axially along the guiding hole 11, so that the pin 22 is convenient to operate and not easy to be welded askew when being welded with the first circuit board 100.

As shown in fig. 3 and 4, the guide 1 is optionally provided with a positioning projection 14. The first row of the header 101 of the first circuit board 100 is correspondingly provided with positioning insertion holes. The positioning projections 14 are inserted into the positioning insertion holes on the first row of the header 101 to position the mounting position of the guide 1 on the first circuit board 100. Preferably, the positioning protrusion 14 and the positioning insertion hole are adaptively matched, so that the guide member 1 is stably connected to the first circuit board 100, the shaking of the guide member 1 is reduced, the shaking of the fixed row of the female connector 21 and the contact pin 22 in the guiding insertion hole 11 is reduced, when the first end of the contact pin 22 is welded to the first circuit board 100, the contact pin 22 can keep straight and straight, the skew is not easy to occur, and the second end of the contact pin 22 can be conveniently inserted into the second insertion hole of the second circuit board 200. In other embodiments, the guide 1 and the first circuit board 100 may be connected by screws, and the guide 1 is provided with threaded holes, and the screws penetrate through the first row of the needle seats 101 of the first circuit board 100 and are in threaded connection with the guide 1.

The present embodiment further provides an electronic device, which includes the circuit board connection device, the first circuit board 100 and the second circuit board 200. The connection between the circuit boards in the electronic device is stable and firm, the contact between the circuit boards is good due to the fact that the contact pins 22 are not prone to deformation, normal operation of the electronic device is guaranteed, protective measures can be provided for the contact pins 22, external impurities are prevented from being in contact with the contact pins 22 to cause short circuit, and safety and reliability of the electronic device are effectively improved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A circuit board connection device for connecting a first circuit board (100) and a second circuit board (200), comprising:

the guide piece (1) is connected to the first circuit board (100), and a guide jack (11) is formed in the guide piece (1);

arrange needle subassembly (2), including fixed row mother (21) and through connection in a plurality of contact pins (22) on fixed row mother (21), fixed row mother (21) insert establish connect in direction jack (11), the first end of contact pin (22) is configured to connect in on first row needle file (101) of first circuit board (100), the second end of contact pin (22) is configured to connect in on second row needle file (201) of second circuit board (200).

2. The circuit board connecting device according to claim 1, wherein the guide member (1) comprises an elastic clamping arm (12), the fixed row of female members (21) comprises a first row of female members (211) and a second row of female members (212) which are arranged at intervals, a clamping cavity (23) is formed between the first row of female members (211) and the second row of female members (212), and the elastic clamping arm (12) is matched with the clamping cavity (23).

3. The circuit board connection device according to claim 2, wherein the resilient snap-in arm (12) comprises a cantilever arm (121) and a hook (122) connected, the hook (122) being snapped into the snap-in cavity (23).

4. The circuit board connecting device according to claim 2, wherein the guide member (1) is provided with a mounting hole (13), the mounting hole (13) is communicated with the guide insertion hole (11), and the elastic clamping arm (12) is arranged on a hole wall of the mounting hole (13).

5. The circuit board connecting device according to claim 2, wherein the two elastic snap-in arms (12) are provided, and the two elastic snap-in arms (12) are respectively provided at two opposite sides of the first row of female connectors (211) to clamp the first row of female connectors (211) in a first direction.

6. The circuit board connection device according to claim 1, wherein the guide (1) further comprises a positioning projection (14), the positioning projection (14) being configured to be inserted into a positioning receptacle on the first row of needle holders (101).

7. The circuit board connecting device according to claim 1, wherein the guiding insertion hole (11) comprises a guiding hole (111) and a limiting insertion hole (112) which are communicated with each other, the fixed row of female connectors (21) is inserted and connected into the limiting insertion hole (112), and the guiding hole (111) is used for guiding the movement of the fixed row of female connectors (21) inserted into the limiting insertion hole (112).

8. The circuit board connecting device according to claim 5, wherein the guide member (1) further comprises a first limiting portion (15), the first limiting portion (15) is protruded from a hole wall of the guide insertion hole (11), the first limiting portion (15) abuts against the fixed row of nuts (21) to limit the fixed row of nuts (21) from moving in a second direction, and the second direction is perpendicular to the first direction.

9. The circuit board connecting device according to claim 7, wherein a second limiting portion (16) is protruded from a hole wall of one end of the limiting insertion hole (112) far away from the guide hole (111), and the second limiting portion (16) abuts against the fixed row of female pins (21) to limit the fixed row of female pins (21) from moving along the inserting direction of the first end of the inserting pin (22).

10. An electronic device, characterized by comprising the circuit board connection device according to any one of claims 1 to 9.

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