CN108599793B - Deck component and electronic device - Google Patents

Abstract

The application discloses a card holder assembly, which is applied to an electronic device, comprising: a casing, the casing has a sliding groove and a through hole, and the through hole is arranged on the bottom wall of the sliding groove; a card tray, the card tray has a tray and a connection The baffle on the tray, the tray passes through the through hole of the shell, the baffle is slidably connected to the tray along the radial direction of the through hole, and the baffle is located in the sliding groove; the elastic component, the elastic component provides reverse for the card tray Elastic force; magnetic assembly, the magnetic assembly includes a first magnetic piece and a second magnetic piece that are magnetically attracted to each other, the first magnetic piece and the second magnetic piece are respectively arranged on the bottom wall of the baffle and the sliding groove, when the baffle is opposite to the tray When in the first stop position, the first magnetic piece and the second magnetic piece are staggered, so that the card tray is pushed out of the sliding groove under the action of the reverse elastic force of the elastic component; when the baffle plate is in the second stop position relative to the tray, the first A magnetic member and a second magnetic member are magnetically attracted. The card holder assembly is convenient to take out the card. The present application also discloses an electronic device.

Description

Card Holder Assembly and Electronic Device

technical field

The present application relates to the field of terminal equipment, and in particular, to a card holder assembly and an electronic device.

Background technique

The existing mobile phone includes a card tray for carrying an information card, and the tray in the card tray is usually snapped with the inside of the casing to realize that the card tray is locked on the casing. When the information card needs to be taken out, a thimble is required to separate the tray from the inner structure of the casing to push the card tray out of the casing, so that the information card in the card tray can be taken out, which is inconvenient to operate.

SUMMARY OF THE INVENTION

The present application provides a card holder assembly and an electronic device that are convenient for taking a card.

Embodiments of the present application provide a card holder assembly, which is applied to an electronic device, including:

a casing, the casing has a sliding groove and a through hole, and the through hole is provided on the bottom wall of the sliding groove;

A card tray, the card tray has a tray and a baffle plate connected to the tray, the tray is penetrated through a through hole of the casing, and the baffle plate is slidably connected to the through hole along the radial direction of the through hole. on the tray, and the baffle is located in the sliding groove;

an elastic component, the elastic component provides a reverse elastic force for the card tray;

A magnetic assembly, the magnetic assembly includes a first magnetic part and a second magnetic part that are magnetically attracted to each other, the first magnetic part and the second magnetic part are respectively arranged on the bottom wall of the baffle plate and the sliding groove On the other hand, when the baffle plate is in the first stop position relative to the tray, the first magnetic member and the second magnetic member are staggered, so that the reverse elastic force of the card holder acts on the elastic component. The sliding groove is pushed out downward; when the baffle plate is in the second stop position relative to the tray, the first magnetic member and the second magnetic member magnetically attract each other.

On the other hand, an embodiment of the present application also provides an electronic device, including a card holder assembly.

The card holder assembly and the electronic device provided by the embodiments of the present application can lock the card tray and the housing through the magnetic assembly by turning the baffle plate, which can prevent the card tray from coming off when the electronic device is dropped or hit, thereby improving the reliability of the electronic device ; By turning the baffle, the card tray and the shell are unlocked by the dislocation of the magnetic assembly, which is used to realize semi-automatic card removal without the aid of auxiliary tools (such as thimbles). The operation is simple and convenient, so the card holder assembly is removed The card is convenient, and the electronic device using the card holder assembly is convenient to take the card.

Description of drawings

In order to illustrate the technical solutions of the present application more clearly, the following briefly introduces the accompanying drawings used in the implementation manner. Obviously, the accompanying drawings in the following description are only some implementations of the present application, which are common in the art. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without the need for creative labor.

FIG. 1 is a schematic diagram of an electronic device provided by an embodiment of the present application;

FIG. 2 is a schematic view of the card holder assembly shown in FIG. 1 in a retracted state;

Fig. 3 is the schematic diagram of the card seat assembly shown in Fig. 1 in the second stop position;

Fig. 4 is a schematic diagram of the card holder assembly shown in Fig. 1 being in an ejected state;

Fig. 5 is the exploded schematic diagram of the elastic component of the card seat assembly shown in Fig. 2;

6 is an exploded schematic view of the card tray of the card holder assembly shown in FIG. 5;

FIG. 7 is a schematic diagram of adding a non-slip portion to the card seat assembly shown in FIG. 2 .

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

In order to more clearly understand the above objects, features and advantages of the present application, the present application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features of the embodiments may be combined with each other unless there is conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present application, and the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

Furthermore, the following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present application may be practiced. The directional terms mentioned in this application, such as "length", "width", "X-direction", "Y-direction", etc., only refer to the directions of the attached drawings, therefore, the directional terms used are for better , to more clearly describe and understand the application, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection ; It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

Referring to FIG. 1 , an embodiment of the present application provides an electronic device 100 . The electronic device 100 may be a tablet computer, a mobile phone, a wearable device, or the like. The electronic device 100 includes a main board 20 and a card holder assembly 10. The main board 20 is electrically connected to the card holder assembly 10 to perform data transmission with the card holder assembly 10, such as reading the information card 30 loaded in the card holder assembly 10 or storing data. card information.

It can be understood that the information card 30 carried by the card holder assembly 10 includes but is not limited to but not limited to a Subscriber Identification Module (SIM) and a Secure Digital Memory Card (SD).

Referring to FIG. 2 , an embodiment of the present application provides a card holder assembly 10 . The card holder assembly 10 includes a casing 1, the casing 1 has a sliding groove 11 and a through hole 12, the through hole 12 is provided on the bottom wall 11a of the sliding groove 11; a card tray 2, the card tray 2. It has a tray 22 and a baffle 21 connected to the tray 22. The tray 22 passes through the through hole 12 of the casing 1, and the baffle 21 slides along the radial direction of the through hole 12. Connected to the tray 22, and the baffle 21 is located in the sliding slot 11; elastic component 3, the elastic component 3 provides a reverse elastic force for the card tray 2; magnetic component 4, the magnetic component 4. It includes a first magnetic member 41 and a second magnetic member 42 that are magnetically attracted to each other. The first magnetic member 41 and the second magnetic member 42 are respectively arranged on the bottom wall of the baffle 21 and the sliding slot 11 On 11a, when the baffle plate 21 is in the first stop position P1 relative to the tray 22, the first magnetic member 41 and the second magnetic member 42 are staggered, so that the card tray 2 is at the elastic The sliding slot 11 is pushed out under the action of the reverse elastic force of the assembly 3; when the baffle 21 is in the second stop position P2 relative to the tray 22, the first magnetic member 41 and the second magnetic member 42 Magnetic attraction.

Referring to FIG. 2 , when the card holder assembly 10 is in the locked state: the baffle plate 21 of the card tray 2 is in the second stop position P2 relative to the tray 22 , and the baffle plate 21 is connected by the first magnetic member 41 and the second stop position P2 . The magnetic member 42 is magnetically attracted and locked on the casing 1 , so as to perform data transmission with the card holder assembly 10 , such as reading the information of the information card 30 or the memory card loaded in the card holder assembly 10 .

Referring to FIGS. 3 and 4 , when the card holder assembly 10 is in the unlocked state: after the baffle 21 is moved by an external force, the baffle 21 overcomes the magnetic force between the first magnetic member 41 and the second magnetic member 42 . Forced to slide in the sliding groove 11, so that the baffle 21 is at the first stop position P1 relative to the tray 22. At this time, the tray 2 can be pushed out of the sliding groove 11 under the action of the reverse elastic force of the elastic component Card.

The card retrieval operation does not require auxiliary tools (such as thimbles) to realize semi-automatic card retrieval, and the operation is simple and convenient. Therefore, the card holder assembly 10 is convenient to take out the card, and the electronic device using the card holder assembly 10 is convenient to take out the card.

Referring to FIG. 2 , the casing 1 may be a middle frame of the electronic device 100 . The casing 1 has two long sides E1 and two short sides E2 connected between the two long sides E1. The through holes 12 are strip-shaped and extend along the lengthwise extending direction of the long side E1 of the casing 1 . Of course, in other embodiments, the housing 1 may include a middle frame and a back cover integrally connected with the middle frame.

It can be understood that, referring to FIG. 2 , the bottom wall 11 a of the sliding groove 11 of the casing 1 defines a through hole 12 . When the baffle 21 is locked on the casing 1 , the baffle 21 is located in the sliding groove 11 .

Specifically, please refer to FIG. 2 , the sliding groove 11 is coaxial with the through hole 12 . The shape of the sliding slot 11 is approximately the same as that of the baffle 21 , the difference is that the length of the sliding slot 11 along its own radial direction is greater than the length of the baffle 21 in this direction, so that the baffle 21 can fit in the sliding slot 11 . Sliding, in other words, the shutter 21 can be switched between the first stop position P1 and the second stop position P2. It can be understood that the first stop position P1 and the second stop position P2 are respectively close to the edge of the sliding groove 11 .

Referring to FIG. 2 , the sliding slot 11 has a slot wall 11 b surrounding its own central axis and a bottom wall 11 a connected to the slot wall 11 b . The bottom wall 11 a is opposite to the opening of the sliding slot 11 . Further, a through hole 12 is formed on the bottom wall 11a, so that when the card holder 2 is in a retracted state, the holder can extend into the interior of the casing 1 through the through hole 12, and the baffle plate 21 can be accommodated in the sliding groove 11. .

Referring to FIG. 2 , the card tray 2 includes a fixedly connected baffle 21 and a tray 22 , the tray 22 is used for carrying the information card 30 , and the tray 22 extends into the interior of the casing 1 through the through hole 12 . The baffle 21 is used as a part for the user to take and install the card tray 2 . When the card tray 2 is in a retracted state, the baffle 21 is accommodated in the sliding groove 11 .

It can be understood that, referring to FIG. 2 and FIG. 4 , the elastic component 3 includes a carrier plate 31 and an elastic device 32 , the tray 22 is carried on the carrier plate 31 , and the elastic device 32 includes an elastic member 321 and a lever 322, the elastic member 321 is elastically arranged on the carrier plate 31 along the direction in which the tray 22 passes through the through hole 12, the lever 322 is rotatably connected to the carrier plate 31, and the lever The first end 322a of the lever 322 abuts on the elastic member 321, and the second end 322b of the lever 322 can abut on the tray 22; the baffle 21 of the card tray 2 is locked to the shell The second end 322b of the lever 322 provides a reverse elastic force for the tray 2 when it is placed on the body 1; when the baffle 21 is in the first stop position P1 relative to the tray 22, the first magnetic The member 41 and the second magnetic member 42 are staggered, and the baffle plate 21 is pushed out of the sliding slot 11 under the action of the second end 322b of the lever 322 .

Specifically, please refer to FIG. 4 , the carrier board 31 may be a circuit board, and a plurality of elastic pieces 31 a are provided on the carrier board 31 to be electrically connected to the information card 30 to read the data on the information card 30 and transmit it to the motherboard 20 . Wherein, the carrying plate 31 is fixed inside the casing 1 . The carrier plate 31 has a substantially rectangular shape.

Referring to FIG. 2 , the elastic device 32 is disposed between the tray 22 and the carrier plate 31 , and the reverse elastic force of the elastic device 32 is along the direction in which the tray 22 slides into the through hole 12 , in other words, the reverse elastic force of the elastic device 32 is equal to The direction is along the lengthwise extension direction of the short side E2 of the casing 1 .

Referring to FIG. 5 , the elastic member 321 of the elastic member 32 is elastically connected to the carrier board 31 . The elastic member 321 has a first elastic end 321a and a second elastic end 321b disposed opposite to each other along the elastic expansion and contraction direction. When the elastic member 321 is elastically connected to the carrier plate 312 , the elastic expansion and contraction direction of the elastic member 321 is substantially parallel to the X direction. The first elastic end 321 a is pressed against the carrier plate 31 , and the second elastic end 321 b is pressed against the first end 322 a of the lever 322 . In this embodiment, please refer to FIG. 2 , the elastic member 321 is a spring. Of course, in other embodiments, the elastic member 321 may also be silicone, foam, or rubber.

Referring to FIG. 5 , the lever 322 in the elastic device 32 is rotatably connected to the bearing plate 31 through the pin assembly 33 .

It can be understood that, referring to FIG. 5 , the pin assembly 33 includes a first fixing pin 331 and a second fixing pin 332 , the first fixing pin 331 is fixed on the carrier plate 31 , and the lever 322 passes through the first fixing pin 331 . The second fixing pin 332 passes through the lever 322 and is fixed with the first fixing pin 331 , so that the lever 322 is rotatably connected to the carrier plate 31 .

In this embodiment, please refer to FIGS. 2 and 5 , the lever 322 is roughly V-shaped. After the lever 322 is rotated and connected to the carrier plate 31 , the first end 322 a of the lever 322 abuts against the second elastic end of the elastic member 321 321b, and the first end 322a of the lever 322 faces the tray 2. The first end 322a of the lever 322 can be in contact with the tray 2 and rotate as the tray 2 slides, so that the second end 322b connected with the first end 322a continuously compresses the elastic member 321, so that the elastic member 321 is in compression Correspondingly, in the state where the tray 2 and the casing 1 are unlocked, the elastic member 321 will push the second end 322b in order to restore its own deformation, and the second end 322b will rotate under the push of the elastic member 321, so that the The first end 322a connected with the two ends 322b exerts a force on the abutting card trays 2 to push the card trays 2 out of the casing 1. After the card trays 2 are pushed out of the casing 1, the user can take out the card trays 2. Realize the card removal of the card holder assembly 10 .

Referring to FIG. 2 , the magnetic assembly 4 includes a first magnetic member 41 and a second magnetic member 42 that are magnetically attracted to each other. The first magnetic member 41 and the second magnetic member 42 are respectively disposed on the baffle 21 and the second magnetic member 42 . On the bottom wall 11a of the sliding slot 11, when the baffle 21 is in the first stop position P1 relative to the tray 22, the first magnetic member 41 and the second magnetic member 42 are staggered, so that the The tray 2 pushes out the sliding slot 11 under the action of the reverse elastic force of the elastic component 3; when the baffle 21 is in the second stop position P2 relative to the tray 22, the first magnetic member 41 Magnetically attracts with the second magnetic member 42 .

Specifically, please refer to FIG. 2 , the first magnetic element 41 and the second magnetic element 42 are both magnets. When the first magnetic member 41 and the second magnetic member 42 are respectively disposed on the baffle 21 and the bottom wall 11a of the sliding groove 11, the magnetic poles of the two are different, so that the baffle 21 slides from the first stop position P1 to the second stop position. At the position P2, the first magnetic member 41 and the second magnetic member 42 are magnetically attracted and attached together, thereby locking the baffle 21 on the casing 1 . It can be understood that the magnetic force between the first magnetic member 41 and the second magnetic member 42 is greater than the reverse elastic force of the elastic member 321 acting on the tray 22, so as to ensure that the card tray 2 is better locked to the casing 1 on.

It can be understood that, referring to FIG. 2 , the bottom wall 11a of the sliding groove 11 is recessed with a first embedding portion 11c, and the first embedding portion 11c is close to the groove wall 11b of the sliding groove 11. The two magnetic elements 42 are embedded in the first embedding portion 11c.

Specifically, the second magnetic member 42 is accommodated in the first embedding portion 11c.

By arranging the first embedding portion 11c to accommodate the second magnetic member 42 , it is ensured that the second magnetic member 42 will not affect the smoothness of the bottom wall 11a of the sliding slot 11 , so that the baffle 21 will protrude from the casing 1 .

6, the sliding connection structure of the baffle 21 and the tray 22 includes but is not limited to the following embodiments:

Please refer to FIG. 2 and FIG. 6 , the tray 22 includes a tray body 221 and a first sliding plate 222 fixed to the tray body 221 . The tray body 221 is used for carrying the information card 30 , and the baffle 21 includes The baffle body 211 and the second sliding plate 212 and the third sliding plate 213 fixed to the baffle body 211 , the second sliding plate 212 and the third sliding plate 213 are respectively slidably connected to the opposite sides of the first sliding plate 222 two sides, so that the baffle plate 21 is slidably connected to the tray 22 along the radial direction of the through hole 12 .

Referring to FIG. 6 , the card seat assembly 10 further includes a pin 5 , and the first sliding plate 222 is provided with a strip-shaped groove, and the extending direction of the strip-shaped groove extends along the radial direction of the through hole 12 , so The second sliding plate 212 is provided with a first through hole 212a, the pin 5 includes a first part 51 and a second part 52 fixed to the first part 51, the first part 51 is located in the first through hole 12 To be fixed relative to the second sliding plate 212 , the second portion 52 is located in the strip-shaped groove to be slidably connected to the first sliding plate 222 .

Please refer to FIG. 6 , the third sliding plate 213 is provided with a second through hole 213 a , the second through hole 12 is coaxial with the first through hole 12 , and the pin 5 further includes a third portion 53 , The third portion 53 is connected to a side of the second portion 52 away from the first portion 51 , and the third portion 53 is located in the second through hole 12 .

Referring to FIG. 2 , when the above-mentioned card holder assembly 10 needs to be locked, the baffle 21 is toggled so that the baffle 21 slides along the Y direction and slides toward the second magnetic member 42 . The member 41 can finally be magnetically attracted together with the second magnetic member 42 , thereby locking the baffle 21 on the housing 1 .

Referring to FIGS. 3 and 4 , when the above-mentioned card holder assembly 10 needs to be unlocked, the baffle 21 is toggled, so that the baffle 21 slides away from the second magnetic member 42 and slides along the Y direction, so that the baffle 21 is unlocked at the on the housing 1, and since the second end 322b of the lever 322 always has a reverse elastic force against the tray 22, once the shutter 21 is unlocked, the tray 22 will be subjected to the reverse elastic force of the second end 322b of the lever 322 By pushing out the casing 1, the card can be taken out.

The locking structure of the baffle 21 of the card tray 2 and the casing 1 is achieved by sliding the baffle 21 along the Y direction to magnetically attract or disengage the baffle 21 and the casing 1 to realize the locking and separation of the card tray 2. Unlock, no additional tools are required, and card retrieval is convenient.

In the card holder assembly 10 and the electronic device 100 provided in the embodiment of the present application, the card holder 2 and the housing 1 are locked by the magnetic assembly 4 by turning the baffle plate 21, which can prevent the card holder 2 from coming out when the electronic device is dropped or hit. Thereby, the reliability of the electronic device is improved; the card tray 2 and the housing 1 are unlocked by the dislocation of the magnetic assembly 4 by turning the baffle 21, so as to realize semi-automatic card removal without the aid of auxiliary tools (such as thimbles). , the operation is simple and convenient, so the card holder assembly 10 is convenient to take the card, and the electronic device applying the card holder assembly 10 is convenient to take the card.

Further, please refer to FIG. 2 , the magnetic component 4 further includes a third magnetic member 43 and a fourth magnetic member 44 that are magnetically repulsive, and the third magnetic member 43 and the fourth magnetic member 44 are respectively disposed on the The baffle 21 and the bottom wall 11a of the sliding slot 11, and the fourth magnetic member 44 and the second magnetic member 42 are respectively located on both sides of the through hole 12, when the baffle 21 is opposite to When the tray 22 is in the first stop position P1, the first magnetic member 41 and the second magnetic member 42 are staggered, and the third magnetic member 43 and the fourth magnetic member 44 are magnetically repelled.

Specifically, both the third magnetic member 43 and the fourth magnetic member 44 are magnets. When the third magnetic member 43 and the fourth magnetic member 44 are respectively disposed on the baffle 21 and the bottom wall 11a of the sliding slot 11, the magnetic poles of the two are the same, so that the baffle 21 slides from the second stop position P2 to the first stop position At P1, the first magnetic member 41 and the second magnetic member 42 are magnetically repelled and separated, thereby locking the baffle 21 on the casing 1 .

By further disposing the magnetically repulsive third magnetic member 43 and the fourth magnetic member 44, when the baffle 21 slides from the second stop position P2 to the first stop position P1, the third magnetic member 43 and the fourth magnetic member 44 Due to the existence of the magnetic force, it is further beneficial for the baffle 21 to be pushed out of the casing 1 .

It can be understood that, referring to FIG. 2 , the bottom wall 11a of the sliding groove 11 is recessed with a second embedding portion 11d, and the second embedding portion 11d is close to the groove wall 11b of the sliding groove 11, so The fourth magnetic member 44 is embedded in the second embedding portion 11d.

Specifically, the fourth magnetic member 44 is accommodated in the first embedding portion 11c.

By arranging the second embedding portion 11 d to accommodate the fourth magnetic member 44 , it is ensured that the fourth magnetic member 44 will not affect the smoothness of the bottom wall 11 a of the sliding slot 11 , so that the baffle 21 will protrude from the casing 1 .

Further, please refer to FIG. 6 , the baffle 21 has a contact surface 21 a, and the contact surface 21 a is the surface of the baffle 21 facing away from the bottom wall 11 a of the sliding slot 11 , and the card tray 2 further includes an anti-skid surface. The anti-slip portion 21b is provided on the contact surface 21a of the baffle 21 .

In an embodiment, please refer to FIG. 7 , the anti-skid portion 21b is a plurality of grooves recessed on the contact surface 21a. Of course, in other embodiments, the anti-skid portion 21b is a rubber sheet attached to the contact surface 21a.

By further disposing the anti-skid portion 21b on the contact surface 21a of the baffle 21, the friction between the user and the contact surface 21a is increased, which facilitates the user to toggle the baffle 21, and improves the reliability of the card holder assembly 10 and the electronic device 100.

When the electronic device 100 provided by the embodiment of the present application needs to install the information card 30, the information card 30 is firstly loaded on the tray 22; then the tray 22 is slid into the interior of the casing 1 through the through hole 12 of the casing The information card 30 on the 22 abuts against the elastic piece 31a on the carrier board 31, so that the carrier board 31 can read the data on the information card 30; then after the tray 22 slides to the maximum stroke, the baffle 21 is locked relative to the casing , at this time, the second end 322b of the lever 322 always provides a reverse elastic force to the tray 22. As long as the locking force between the baffle 21 and the housing is released, the tray 22 will be resilient in the direction of the second end 322b. Under the action, the casing 1 is ejected, and the card is taken out.

When the electronic device 100 provided by the embodiment of the present application needs to take out the information card 30, the baffle 21 is waved to unlock the baffle 21 relative to the casing, and the tray 22 will pop out of the casing 1 under the action of the directional elastic force of the second end 322b. , to get the card.

In the card holder assembly 10 and the electronic device 100 provided in the embodiment of the present application, the card holder 2 and the housing 1 are locked by the magnetic assembly 4 by turning the baffle plate 21, which can prevent the card holder 2 from coming out when the electronic device is dropped or hit. Thereby, the reliability of the electronic device is improved; the card tray 2 and the housing 1 are unlocked by the dislocation of the magnetic assembly 4 by turning the baffle 21, so as to realize semi-automatic card removal without the aid of auxiliary tools (such as thimbles). , the operation is simple and convenient, so the card holder assembly 10 is convenient to take the card, and the electronic device applying the card holder assembly 10 is convenient to take the card.

The above are the preferred embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also regarded as the present invention. The scope of protection applied for.

Claims (11)

1. A card holder assembly, applied to an electronic device, is characterized in that, comprising: a casing, the casing has a sliding groove and a through hole, and the through hole is provided on the bottom wall of the sliding groove; A card tray, the card tray has a tray and a baffle plate connected to the tray, the tray is penetrated through a through hole of the casing, and the baffle plate is slidably connected to the through hole along the radial direction of the through hole. on the tray, and the baffle is located in the sliding groove; an elastic component, the elastic component provides a reverse elastic force for the card tray; A magnetic assembly, the magnetic assembly includes a first magnetic part and a second magnetic part that are magnetically attracted to each other, the first magnetic part and the second magnetic part are respectively arranged on the bottom wall of the baffle plate and the sliding groove On the other hand, when the baffle plate is in the first stop position relative to the tray, the first magnetic member and the second magnetic member are staggered, so that the reverse elastic force of the card holder acts on the elastic component. The sliding groove is pushed out downward; when the baffle plate is in the second stop position relative to the tray, the first magnetic member and the second magnetic member magnetically attract each other. 2 . The card holder assembly according to claim 1 , wherein a first embedding portion is recessed on the bottom wall of the sliding groove, and the first embedding portion is close to the groove wall of the sliding groove. 3 . , the second magnetic member is embedded in the first embedded portion. 3 . The card holder assembly of claim 2 , wherein the second magnetic member is accommodated in the first embedding portion. 4 . 4. The card holder assembly of claim 1, wherein the magnetic assembly further comprises a third magnetic member and a fourth magnetic member that are magnetically repulsive, the third magnetic member and the fourth magnetic member They are respectively arranged on the bottom wall of the baffle and the sliding slot, and the fourth magnetic member and the second magnetic member are respectively located on both sides of the through hole. When the baffle is opposite to the tray When in the first stop position, the first magnetic member and the second magnetic member are staggered, and the third magnetic member and the fourth magnetic member magnetically repel each other. 5 . The card holder assembly according to claim 4 , wherein a second embedded portion is recessed on the bottom wall of the sliding groove, and the second embedded portion is close to the groove wall of the sliding groove. 6 . , the fourth magnetic element is embedded in the second embedded portion. 6 . The card seat assembly according to claim 1 , wherein the tray comprises a tray body and a first sliding plate fixed to the tray body, and the baffle plate comprises a baffle body and a baffle plate fixed to the stopper body. 7 . A second sliding plate and a third sliding plate on the same side of the plate body, the second sliding plate and the third sliding plate are respectively slidably connected to the opposite sides of the first sliding plate, so that the baffle plate can pass along the through hole. The radial direction moves relative to the tray. 7 . The card seat assembly according to claim 6 , wherein the card seat assembly further comprises a pin, the first sliding plate is provided with a bar-shaped hole, and the length extension direction of the bar-shaped hole is along the The radial direction of the through hole, the second slide plate is provided with a first through hole, the pin includes a first part and a second part fixed to the first part, the first part is located in the first through hole In order to be fixed relative to the second sliding plate, the second part is located in the strip-shaped hole so as to be slidably connected to the first sliding plate. 8. The card seat assembly according to any one of claims 1 to 7, wherein the baffle plate has a contact surface, and the contact surface is a surface of the baffle plate facing away from the bottom wall of the sliding groove, The card tray further includes an anti-slip portion, and the anti-slip portion is disposed on the contact surface of the baffle. 9 . The card holder assembly according to claim 8 , wherein the anti-skid portion is a plurality of grooves recessed on the contact surface; or, The anti-skid portion is a rubber sheet attached to the contact surface. 10. The card holder assembly according to any one of claims 1 to 7, wherein the elastic assembly comprises a carrier plate and an elastic device, the tray is carried on the carrier plate, and the elastic device comprises an elastic device A piece and a lever, the elastic piece is elastically arranged on the carrying plate along the direction in which the tray passes through the through hole, the lever is rotatably connected to the carrying board, and the first end of the lever is Abutting on the elastic member, the second end of the lever can abut on the tray; when the baffle of the card holder is locked on the casing, the second end of the lever is The card tray provides a reverse elastic force; when the baffle is in a first stop position relative to the tray, the first magnetic part and the second magnetic part are staggered, and the baffle is at the lever. The sliding groove is ejected under the action of the second end. 11. An electronic device, comprising the card holder assembly according to any one of claims 1 to 10.