Card tray assemblies, card connectors and terminals

Abstract

The present invention provides a card tray assembly, a card connector and a terminal. The card tray assembly includes a card tray body and at least one sliding block. The card tray body is provided with a sliding groove for the sliding block to slide. The sliding block is slidably arranged on the card tray body through the sliding groove. The sliding block can enclose areas of different sizes by sliding to accommodate electronic cards of different sizes.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical connectors, and in particular to a card tray assembly, a card connector and a terminal. Background Art

[0002] A card connector is an electrical connector installed on portable electronic devices such as mobile phones. It enables signal transmission between electronic cards and these devices. A card connector specifically consists of a card holder and a card tray.

[0003] Chinese patent CN103367951B discloses a digital card fixing device. Figure 1 The fixture comprises a tray 1 and a card holder 2. The tray 1 includes a first groove 11 for accommodating a first digital card 3; a second groove 12, perpendicular to the first groove 11, for accommodating a second digital card 4. The first groove 11 and the second groove 12 have partially overlapping hollow sections. Therefore, the first digital card 3 and the second digital card 4 are positioned perpendicular to each other within the tray 1. Specifically, the tray 1 includes an insertion end 14 and an outer end 15, and the card holder 2 includes an insertion surface 23.

[0004] This patent realizes a digital fixing device that is compatible with SIM cards and SD cards. It can flexibly meet the different needs of users through a digital card fixing device without increasing the layout space.

[0005] However, in the prior art, digital cards of different sizes require trays of different sizes, while the size of the tray in this patent is fixed, and the size of the groove in the tray for placing the digital card is also fixed. When digital cards of different sizes need to be placed, usually only the card can be cut or a card sleeve can be used to match the digital card with the tray. Summary of the Invention

[0006] The object of the present invention is to provide a card tray assembly, a card connector and a terminal to solve the problem that the existing card connector cannot adapt to electronic cards of different specifications.

[0007] The present invention solves the technical problem by adopting the following technical solutions.

[0008] The present invention provides a card tray assembly, comprising a card tray body and at least one sliding block, wherein the card tray body is provided with a sliding groove for the sliding block to slide, and the sliding block is slidingly arranged on the card tray body through the sliding groove. The sliding block can enclose areas of different sizes by sliding, and is used to accommodate electronic cards of different sizes.

[0009] In one embodiment of the present invention, the sliding block includes a first sliding block, which can slide along a first direction on the sliding groove. When the first sliding block is set to a first position, the first sliding block and the card holder body form a first area. When the first sliding block is set to a second position, the first sliding block and the card holder body form a second area.

[0010] In one embodiment of the present invention, the sliding block includes a second sliding block and a third sliding block, the second sliding block and the third sliding block are symmetrically arranged, the second sliding block can slide toward the third sliding block on the sliding groove, and the third sliding block can slide toward the second sliding block on the sliding groove to enclose areas of different sizes.

[0011] In one embodiment of the present invention, the sliding block includes a first sliding block, a second sliding block and a third sliding block, the card holder body has a first direction and a second direction, the first sliding block can slide on the sliding groove along the first direction, the second sliding block and the third sliding block can slide on the sliding groove along the second direction, and the first sliding block slides toward the second sliding block and the third sliding block.

[0012] In one embodiment of the present invention, the first sliding block is in a U-shaped structure, and a limiting groove is provided in the middle of the U-shaped structure.

[0013] In one embodiment of the present invention, the first direction and the second direction are perpendicular to each other.

[0014] In one embodiment of the present invention, the second sliding block and / or the third sliding block are L-shaped.

[0015] In one embodiment of the present invention, the card tray assembly further includes a fixing plate, which is superimposed on the card tray body, and the sliding block is arranged between the fixing plate and the card tray body. The sliding groove is formed as a track for the sliding of the multiple sliding blocks, and the multiple sliding blocks can be respectively fixed at different positions in the track through the fixing plate.

[0016] In one embodiment of the present invention, a hollow portion is provided in the middle of the fixing plate, and elastic arms are provided along the circumference of the fixing plate. The first sliding block, the second sliding block and the third sliding block are all provided with slots that cooperate with the elastic arms.

[0017] In one embodiment of the present invention, each of the card slots includes a first card position and a second card position, and the elastic arm can be respectively engaged with the first card position and the second card position of each of the card slots.

[0018] In one embodiment of the present invention, the card tray assembly includes two areas formed by two first sliding blocks, two second sliding blocks and two third sliding blocks, each of the areas is formed by one first sliding block, one second sliding block and one third sliding block, and each of the areas is used to place one electronic card.

[0019] In one embodiment of the present invention, the two areas are arranged on the same surface of the card holder body, or on two opposite surfaces of the card holder body.

[0020] In one embodiment of the present invention, the card tray assembly includes two areas, which are arranged coplanarly, and each area is used to place an electronic card, wherein one of the areas is formed by a first sliding block, and / or a second sliding block and a third sliding block and the card tray body, and the card tray body is also provided with a protrusion, and the other area is formed on the protrusion.

[0021] In one embodiment of the present invention, the card holder body has a card holder door panel facing outward and an insertion end arranged opposite to the card holder door panel, and the protrusion is formed on the card holder body to protrude away from the card holder door panel.

[0022] In one embodiment of the present invention, the card tray assembly includes two areas, which are stacked and each area is used to place an electronic card, one of the areas is formed by a first sliding block, and / or a second sliding block and a third sliding block and the card tray body, and a bearing portion is also provided on the card tray body, and the other area is formed on the bearing portion.

[0023] In one embodiment of the present invention, the bearing portion is stacked with the card holder body along a thickness direction of the card holder body.

[0024] In one embodiment of the present invention, the card tray assembly includes two areas, each of which is used to place an electronic card, wherein one of the areas is formed by a first sliding block, and / or a second sliding block and a third sliding block and the card tray body, and the card tray assembly also includes a sliding plate that is slidably connected to the card tray body, and the other area is formed on the sliding plate.

[0025] In one embodiment of the present invention, the sliding plate can slide relative to the card holder body between a first state and a second state. When in the first state, the sliding plate and the card holder body are stacked on each other. When in the second state, the sliding plate slides out of the card holder body to load one of the electronic cards.

[0026] The present invention also provides a card tray assembly, including a first card slot, a second card slot and a movable member, wherein the first card slot and the second card slot are respectively used to carry cards of different sizes, the first card slot is formed by the movable member in a first state, and the second card slot is formed by the movable member in a second state.

[0027] In one embodiment of the present invention, the first card slot is larger than the second card slot, and the first card slot partially overlaps with the second card slot.

[0028] In one embodiment of the present invention, the moving member includes a first telescopic rod and a second telescopic rod, and elastic members are provided at the middle portions of the first telescopic rod and the second telescopic rod.

[0029] In one embodiment of the present invention, the card tray assembly also includes a first slide groove arranged along a first direction and a second slide groove arranged along a second direction, the first direction is perpendicular to the second direction, one end of the first telescopic rod is arranged in the first slide groove and can slide along the first slide groove, and one end of the second telescopic rod is arranged in the second slide groove and can slide along the second slide groove.

[0030] In one embodiment of the present invention, a first slider is provided at one end of the first telescopic rod, the first slider is arranged in the first sliding groove and can slide along the first sliding groove, and the first slider drives the first telescopic rod to move along the first direction, and a second slider is provided at one end of the second telescopic rod, the second slider is arranged in the second sliding groove and can slide along the second sliding groove, and the second slider drives the second telescopic rod to move along the second direction.

[0031] In one embodiment of the present invention, the moving member includes a first sliding rod and a second sliding rod, and the first sliding rod and the second sliding rod are curved arm structures.

[0032] In one embodiment of the present invention, when the first sliding rod and the second sliding rod are set to the first position, the first sliding rod, the second sliding rod and the card holder body form a first card slot; when the first sliding rod is set to the second position and the second sliding rod is set to the second position, the first sliding rod, the second sliding rod and the card holder body form a second card slot.

[0033] In one embodiment of the present invention, the first sliding rod includes a first horizontal portion, a second horizontal portion and a first rotating portion, and the first rotating portion is located between the first horizontal portion and the second horizontal portion; the second sliding rod includes a first vertical portion, a second vertical portion and a second rotating portion, and the second rotating portion is located between the first vertical portion and the second vertical portion.

[0034] In one embodiment of the present invention, the first horizontal part is fixed to the card holder body, and the first rotating part can rotate relative to the first horizontal part, and the first rotating part drives the second horizontal part to move when it rotates; the first vertical part is fixed to the card holder body, and the second rotating part can rotate relative to the first vertical part, and the second rotating part drives the second vertical part to move when it rotates.

[0035] The present invention also provides a card tray assembly, which is provided with a first card slot and a second card slot for carrying different cards, and at least one movable member. The first card slot and the second card slot are arranged to overlap or partially overlap. The first card slot is formed on the card tray body. The first card slot can accommodate a card of a first size. The second card slot can form different spaces by moving at least one sliding member to accommodate cards of different or the same size as the first.

[0036] In one embodiment of the present invention, the sliding member is a first card holder frame, the first card holder frame is slidably connected to the card holder body, and the first card holder frame can slide in a horizontal plane relative to the card holder body.

[0037] In one embodiment of the present invention, two parallel slide grooves are provided on each opposite side of the first card holder frame, and slide rails are provided on opposite sides of the card holder body. The slide rails are accommodated in the slide grooves, and the first card holder frame slides relative to the card holder body through the slide rails and the slide grooves.

[0038] The present invention also provides a card connector, comprising the card tray assembly described above.

[0039] In one embodiment of the present invention, the card connector includes a printed circuit board and a card seat connected to the printed circuit board, and an accommodating space for accommodating the card tray assembly is formed between the printed circuit board and the card seat.

[0040] In one embodiment of the present invention, the card holder includes a push rod, a lever, a contact spring and a card holder housing, and the push rod, the lever and the contact spring are all connected to the card holder housing to form the card holder.

[0041] The present invention also provides a terminal comprising the card connector described above.

[0042] The present invention provides a card tray assembly, a card connector and a terminal. The card tray assembly includes a card tray body and multiple sliding blocks. The card tray body is provided with a sliding groove for the multiple sliding blocks to slide. The multiple sliding blocks are slidably arranged on the card tray body through the sliding groove. The multiple sliding blocks can enclose areas of different sizes by sliding to accommodate electronic cards of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1It is a structural diagram of a card connector in the prior art.

[0044] Figure 2 Schematic diagram of the structure of the card tray assembly in one state in the first embodiment of the present invention.

[0045] Figure 3 2 is a schematic structural diagram of another state of the card tray assembly in the first embodiment of the present invention.

[0046] Figure 4 Schematic diagram of the assembly structure of the card tray assembly in the second embodiment of the present invention.

[0047] Figure 5 Schematic diagram of the exploded structure of the card tray assembly in the second embodiment of the present invention.

[0048] Figure 6 Schematic diagram of the partial decomposition structure of the card tray assembly in the third embodiment of the present invention.

[0049] Figure 7 Schematic diagram of the assembled structure of the card tray assembly in the fourth embodiment of the present invention.

[0050] Figure 8 Schematic diagram of the partial decomposition structure of the card tray assembly in the fourth embodiment of the present invention.

[0051] Figure 9 FIG. 1 is a schematic diagram of the exploded structure of a card connector according to a fifth embodiment of the present invention.

[0052] Figure 10 FIG. 1 is a structural diagram of a card socket in a card connector according to a fifth embodiment of the present invention.

[0053] Figure 11 FIG. 1 is a schematic diagram of a partially exploded structure of a card connector according to a fifth embodiment of the present invention.

[0054] Figure 12 FIG. 1 is a schematic diagram of a partially exploded structure of a card connector according to a sixth embodiment of the present invention.

[0055] Figure 13 Schematic diagram of the combined structure of the card tray assembly in the seventh embodiment of the present invention.

[0056] Figure 14 Schematic diagram of the combined structure of the card tray assembly in the eighth embodiment of the present invention.

[0057] Figure 15 Schematic diagram of the combined structure of the card tray assembly in the ninth embodiment of the present invention.

[0058] Figure 16 Schematic diagram of the assembled structure of the card tray assembly in the tenth embodiment of the present invention.

[0059] Figures 17a to 17c14 is a three-view diagram of a card tray assembly according to the eleventh embodiment of the present invention.

[0060] Figures 18a to 18c 14 is a three-view diagram of a card tray assembly according to the twelfth embodiment of the present invention.

[0061] Figures 19a to 19c 13. Three views of a card tray assembly in one state in the thirteenth embodiment of the present invention.

[0062] Figures 20a to 20c 3-view diagram of another state of the card tray assembly in the thirteenth embodiment of the present invention.

[0063] Figure 21 14 is a schematic structural diagram of one state of the card tray assembly in the fourteenth embodiment of the present invention.

[0064] Figure 22 2 is a schematic structural diagram of another state of the card tray assembly in the fourteenth embodiment of the present invention.

[0065] Figure 23 15 is a structural diagram of one state of the card tray assembly in the fifteenth embodiment of the present invention.

[0066] Figure 24 2 is a schematic structural diagram of another state of the card tray assembly in the fifteenth embodiment of the present invention. DETAILED DESCRIPTION

[0067] In order to further illustrate the technical methods and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0068] [First embodiment]

[0069] Figure 2 Schematic diagram of the structure of the card tray assembly in one state in the first embodiment of the present invention. Figure 3 This is a structural diagram of another state of the card tray assembly in the first embodiment of the present invention. Figure 2 As shown in Figure 3, the card tray assembly 20 provided in this embodiment includes a card tray body 21 and at least one sliding block 201. The card tray body 21 is provided with a sliding groove 211 for the sliding block 201 to slide. The sliding block 201 is slidingly set on the card tray body 21 through the sliding groove 211. The sliding block 201 can enclose areas of different sizes by sliding to accommodate electronic cards 30 of different sizes.

[0070] Specifically, please combine Figure 1 and Figure 2At least one sliding block 201 includes a first sliding block 22. The first sliding block 22 can slide along the first direction (Y-axis direction) on the sliding groove 211. The first sliding block 22 has a U-shaped structure with a limit groove 222 in the middle of the U-shaped structure. When the first sliding block 22 is set to the first position, the first sliding block 22 and the card holder body 21 enclose a larger first area. At this time, the first area can be used to place a larger electronic card 30. For example, it can accommodate a large SIM card.

[0071] (Subscriber Identification Module, identity identification) card, such as Figure 2 shown.

[0072] Please combine Figure 2 and Figure 3 When the first sliding block 22 moves to the second position along the first direction, the first sliding block 22 and the card holder body 21 enclose a smaller second area, which can be used to place a smaller electronic card 30. For example, a small SIM (Subscriber Identification Module) card can be accommodated. Figure 3 shown.

[0073] [Second embodiment]

[0074] Figure 4 This is a schematic diagram of the combined structure of the card tray assembly in the second embodiment of the present invention. Figure 5 This is a schematic diagram of the exploded structure of the card tray assembly in the second embodiment of the present invention. Figures 4 and 5 This embodiment provides a card tray assembly 20, which is mounted on a portable electronic device. The card tray assembly 20 includes a card tray body 21, a fixing plate 25, and a plurality of sliding blocks 201. The fixing plate 25 is superimposed on the card tray body 21, and the plurality of sliding blocks 201 are disposed between the fixing plate 25 and the card tray body 21. The plurality of sliding blocks 201 enclose an area for accommodating an electronic card 30. A track for the plurality of sliding blocks 201 to slide is formed between the fixing plate 25 and the card tray body 21. The plurality of sliding blocks 201 can be fixed to different positions within the track. The card tray body 21 has a card tray door panel 212 facing outward and an insertion end 213 disposed opposite the card tray door panel 212.

[0075] Please combine Figure 5The plurality of sliding blocks 201 include a first sliding block 22, a second sliding block 23, and a third sliding block 24. The card holder body 21 is provided with a slide groove 211 for the first sliding block 22, the second sliding block 23, and the third sliding block 24 to slide. In addition, the card holder body 21 has a length along a first direction, a width along a second direction, and a thickness along a third direction. The first sliding block 22 can slide along the first direction on the slide groove 211 of the card holder body 21, and the second sliding block 23 and the third sliding block 24 can slide along the second direction on the slide groove 211 of the card holder body 21. The first direction and the second direction are perpendicular to each other. For example, the first direction is the Y-axis direction, the second direction is the X-axis direction, and the third direction is the Z-axis direction.

[0076] In this embodiment, the first sliding block 22 is located to one side of the second sliding block 23 and the third sliding block 24. The first sliding block 22 is located near the insertion end 213 and is U-shaped. The second sliding block 23 and the third sliding block 24 are symmetrically arranged and located near the card holder door panel 212 and are L-shaped. The first sliding block 22, the second sliding block 23, and the third sliding block 24 together form an area for accommodating the electronic card 30. The first sliding block 22 can slide along the guide groove 211 of the card holder body 21 in a first direction toward the second sliding block 23 and the third sliding block 24. The second sliding block 23 and the third sliding block 24 can slide relative to each other along the guide groove 211 of the card holder body 21 in a second direction. That is, the second sliding block 23 can slide along the guide groove 211 in the second direction toward the third sliding block 24, and the third sliding block 24 can slide along the guide groove 211 in the second direction toward the second sliding block 23.

[0077] In addition, the card tray door plate 212 is provided with a pinhole 214 for inserting a needle-like object. When the user inserts a needle-like object into the pinhole 214 , the card tray assembly 20 pops out from the electronic device.

[0078] Please continue to refer to Figure 5 , the middle part of the fixing plate 25 includes at least one hollow portion 252. An elastic arm 251 is provided along the circumference of the fixing plate 25, and the opening of the elastic arm 251 faces the hollow portion 252 of the fixing plate 25. The first sliding block 22, the second sliding block 23 and the third sliding block 24 are all provided with a slot 26 that cooperates with the elastic arm 251, wherein the first sliding block 22 has two symmetrical slots 26 on both sides. The slot 26 of each sliding block includes at least two mutually spaced positions. Specifically, in this embodiment, each slot 26 includes a first position 261 and a second position 262, and the elastic arm 251 of the fixing plate 25 can be respectively engaged with the first position 261 and the second position 262.

[0079] Please combine Figures 4 and 5After the first, second, and third sliding blocks 22, 23, and 24 are placed in their corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked over the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 to slide is formed between the fixing plate 25 and the card holder body 21. In the initial state, the first engaging portions 261 of the slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25; the first engaging portions 261 of the slots 26 on the second sliding block 23 engage with the elastic arms 251 of the fixing plate 25; and the first engaging portions 261 of the slots 26 on the third sliding block 24 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is larger and can accommodate a larger electronic card 30, for example, a large SIM (Subscriber Identification Module) card, such as Figure 4 shown.

[0080] In other embodiments, the sliding block 201 may only include a second sliding block 23 and a third sliding block 24, and the second sliding block 23 and the third sliding block 24 are symmetrically arranged. The second sliding block 23 can slide toward the third sliding block 24 on the sliding groove, and the third sliding block 24 can slide toward the second sliding block 23 on the sliding groove to enclose areas of different sizes, on which electronic cards 30 of different sizes can be placed.

[0081] [Third embodiment]

[0082] Figure 6 This is a partial exploded structural diagram of the card tray assembly in the third embodiment of the present invention. Figure 6 The difference between this embodiment and the second embodiment is that the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is smaller, and the size of the electronic card 30 that can be accommodated in the area in the second direction (X-axis direction) is smaller than that of the second embodiment.

[0083] Please combine Figure 5 and Figure 6After the first, second, and third sliding blocks 22, 23, and 24 are placed in the corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked above the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 is formed between the fixing plate 25 and the card holder body 21. The first engaging portions 261 of the slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide toward the third sliding block 24 in the second direction until the second engaging portions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide toward the second sliding block 23 in the second direction until the second engaging portions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is small and can accommodate an electronic card 30 that is shorter in the second direction, for example, a small SIM (Subscriber Identification Module) card. Figure 6 shown.

[0084] [Fourth embodiment]

[0085] Figure 7 This is a schematic diagram of the combined structure of the card tray assembly in the fourth embodiment of the present invention. Figure 8 This is a partial exploded structural diagram of the card tray assembly in the fourth embodiment of the present invention. Figure 7 and Figure 8 The difference between this embodiment and the second embodiment is that the size of the electronic card 30 that can be accommodated in this area in the first direction (Y-axis direction) is smaller than that in the second embodiment, and the size of the electronic card 30 that can be accommodated in this area in the second direction (X-axis direction) is also smaller than that in the second embodiment.

[0086] Please combine Figure 7 and Figure 8After the first, second, and third sliding blocks 22, 23, and 24 are placed in the corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked above the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 is formed between the fixing plate 25 and the card holder body 21. The first sliding block 22 can slide in a first direction toward the second and third sliding blocks 23, 24 until the second engaging portions 262 of the engaging slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide in a second direction toward the third sliding block 24 until the second engaging portions 262 of the engaging slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide in a second direction toward the second sliding block 23 until the second engaging portions 262 of the engaging slots 26 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is small and can accommodate a smaller electronic card 30, for example, a small SIM (Subscriber Identification Module) card, such as Figure 7 shown.

[0087] [Fifth embodiment]

[0088] Figure 9 FIG. 1 is a schematic diagram of the exploded structure of a card connector according to a fifth embodiment of the present invention. Figure 10 This is a structural diagram of a card seat in a card connector according to a fifth embodiment of the present invention. Figure 11 This is a partial exploded structural diagram of the card connector in the fifth embodiment of the present invention. Figures 9 to 11 This embodiment provides a card connector 100, which includes the card tray assembly 20 of the first embodiment. Specifically, the card connector 100 includes a printed circuit board 40, a push rod 60, a lever 70, a contact spring 50, and a card holder housing 80. The push rod 60, the lever 70, and the contact spring 50 are all connected to the card holder housing 80 to form a card holder 101. A space for accommodating the card tray assembly 20 is formed between the card holder 101 and the printed circuit board 40.

[0089] Please combine Figures 9 to 11 When the user uses a needle-like object to insert the needle hole 214 of the card tray assembly 20, the needle-like object will push the push rod 60 to move from the first position to the second position. When the push rod 60 moves to the second position, the push rod 60 will push the lever 70 to rotate. During the rotation process, the lever 70 pushes the card tray assembly 20 out of the accommodating space.

[0090] Please combine Figure 5 and Figure 11After the first, second, and third sliding blocks 22, 23, and 24 are placed in their corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked over the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 to slide is formed between the fixing plate 25 and the card holder body 21. In the initial state, the first engaging portions 261 of the slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25; the first engaging portions 261 of the slots 26 on the second sliding block 23 engage with the elastic arms 251 of the fixing plate 25; and the first engaging portions 261 of the slots 26 on the third sliding block 24 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is larger and can accommodate a larger electronic card 30, for example, a large SIM (Subscriber Identification Module) card, such as Figure 11 shown.

[0091] [Sixth embodiment]

[0092] Figure 12 This is a partially exploded structural diagram of a card connector according to a sixth embodiment of the present invention. This embodiment differs from the fifth embodiment in that the area enclosed within the card tray assembly 20 by the first, second, and third sliding blocks 22, 23, and 24 is smaller. The size of the electronic card 30 that can be accommodated in this area in the first direction (Y-axis) is smaller than that in the fifth embodiment, and the size of the electronic card 30 that can be accommodated in this area in the second direction (X-axis) is also smaller than that in the fifth embodiment.

[0093] Please combine Figure 5 and Figure 12After the first, second, and third sliding blocks 22, 23, and 24 are placed in the corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked above the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 is formed between the fixing plate 25 and the card holder body 21. The first sliding block 22 can slide in a first direction toward the second and third sliding blocks 23, 24 until the second engaging portions 262 of the engaging slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide in a second direction toward the third sliding block 24 until the second engaging portions 262 of the engaging slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide in a second direction toward the second sliding block 23 until the second engaging portions 262 of the engaging slots 26 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is small and can accommodate a smaller electronic card 30, for example, a small SIM (Subscriber Identification Module) card, such as Figure 12 shown.

[0094] [Seventh embodiment]

[0095] Figure 13 This is a schematic diagram of the combined structure of the card tray assembly in the seventh embodiment of the present invention. Figure 5 and Figure 13 The difference between this embodiment and the second embodiment is that the card holder body 21 and the fixing plate 25 are superimposed to form two hollow portions 252, and the edge of each hollow portion 252 is provided with a first sliding block 22, a second sliding block 23 and a third sliding block 24, that is, the card holder assembly 20 includes two hollow portions 252 formed by two first sliding blocks 22, two second sliding blocks 23 and two third sliding blocks 24, and each hollow portion 252 is formed by a first sliding block 22, a second sliding block 23 and a third sliding block 24, and each hollow portion 252 corresponds to an area that can be used to place an electronic card 30, and the two areas are arranged on the same surface of the card holder body 21.

[0096] Please continue to refer to Figure 5 and Figure 13Each hollow portion 252 of the fixing plate is surrounded by a first sliding block 22, a second sliding block 23, and a third sliding block 24. After the first sliding block 22, the second sliding block 23, and the third sliding block 24 are placed in the corresponding sliding grooves 211 on the card holder body 21, the fixing plate 25 is superimposed on the first sliding block 22, the second sliding block 23, and the third sliding block 24. At this time, a track for the first sliding block 22, the second sliding block 23, and the third sliding block 24 to slide is formed between the fixing plate 25 and the card holder body 21. In the initial state, the first locking positions 261 of the locking grooves 26 on both sides of the first sliding block 22 are engaged with the elastic arms 251 of the fixing plate 25; the first locking positions 261 of the locking grooves 26 on the second sliding block 2 are engaged with the elastic arms 251 of the fixing plate 25; and the first locking positions 261 of the locking grooves 26 on the third sliding block 24 are engaged with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 around each hollow portion 252 is larger and can accommodate a larger electronic card 30, for example, a large SIM (Subscriber Identification Module) card, such as Figure 13 shown.

[0097] [Eighth embodiment]

[0098] Figure 14 This is a schematic diagram of the combined structure of the card tray assembly in the eighth embodiment of the present invention. Figure 5 and Figure 14 The difference between this embodiment and the second embodiment is that the card holder body 21 and the fixing plate 25 are superimposed to form two hollow portions 252, and the edge of each hollow portion 252 is provided with a first sliding block 22, a second sliding block 23 and a third sliding block 24, that is, the card holder assembly includes two hollow portions 252 formed by two first sliding blocks 22, two second sliding blocks 23 and two third sliding blocks 24, and each hollow portion 252 is formed by a first sliding block 22, a second sliding block 23 and a third sliding block 24, and each hollow portion 252 corresponds to an area that can be used to place an electronic card 30, and the two areas are arranged on the same surface of the card holder body 21.

[0099] Please continue to refer to Figure 5 and Figure 14The first sliding block 22, the second sliding block 23 and the third sliding block 24 are arranged around the periphery of each hollow part 252 of the fixing plate. After the first sliding block 22, the second sliding block 23 and the third sliding block 24 are placed in the corresponding sliding grooves 211 on the card holder body 21, the fixing plate 25 is superimposed on the first sliding block 22, the second sliding block 23 and the third sliding block 24. At this time, a track for the first sliding block 22, the second sliding block 23 and the third sliding block 24 to slide is formed between the fixing plate 25 and the card holder body 21. The first sliding block 22 can slide along the first direction (Y-axis) toward the second sliding block 23 and the third sliding block 24 until the second engaging positions 262 of the slots 26 on either side thereof engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide along the second direction (X-axis) toward the third sliding block 24 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide along the second direction toward the second sliding block 23 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. At this point, the area enclosed by the first sliding block 22, the second sliding block 23, and the third sliding block 24 around each hollow portion 252 is relatively small and can accommodate a smaller electronic card 30, such as a small SIM card.

[0100] In another embodiment, the card holder body 21 and the fixing plate 25 are superimposed to form two hollow portions 252, and the edges of each hollow portion 252 are provided with a first sliding block 22, a second sliding block 23 and a third sliding block 24, that is, the card holder assembly includes two hollow portions 252 formed by two first sliding blocks 22, two second sliding blocks 23 and two third sliding blocks 24, and each hollow portion 252 is formed by a first sliding block 22, a second sliding block 23 and a third sliding block 24, and each hollow portion 252 corresponds to an area that can be used to place an electronic card 30. The only difference between this embodiment and the above-mentioned seventh embodiment and eighth embodiment is that the two areas are arranged on two opposite surfaces of the card holder body 21, that is, the two areas are stacked up and down.

[0101] [Ninth embodiment]

[0102] Figure 15 FIG2 is a schematic diagram of the structure of the card tray assembly according to the ninth embodiment of the present invention. This embodiment differs from the second embodiment in that a protrusion 215 is provided protruding from the card tray door panel 212 in the first direction (the Y-axis direction) of the card tray body 21. The central area of the protrusion 215 can accommodate an electronic storage card 31, such as a MicroSD card.

[0103] Please combine Figure 5 and Figure 15 After the first, second, and third sliding blocks 22, 23, and 24 are placed in their corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked over the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 to slide is formed between the fixing plate 25 and the card holder body 21. In the initial state, the first engaging portions 261 of the slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25; the first engaging portions 261 of the slots 26 on the second sliding block 23 engage with the elastic arms 251 of the fixing plate 25; and the first engaging portions 261 of the slots 26 on the third sliding block 24 engage with the elastic arms 251 of the fixing plate 25. In this case, the area enclosed by the first, second, and third sliding blocks 22, 23, and 24 is relatively large, capable of accommodating a larger first electronic card 30, such as a large SIM (Subscriber Identification Module) card. Furthermore, the protrusion 215 of the card tray body 21 can also accommodate a Micro SD card. Therefore, the two areas are coplanar, allowing both a Micro SD card and a SIM card to be placed coplanar in the card tray assembly.

[0104] [Tenth embodiment]

[0105] Figure 16 This is a schematic diagram of the combined structure of the card tray assembly in the ninth embodiment of the present invention. The difference between this embodiment and the ninth embodiment is that the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is smaller and can accommodate a smaller electronic card 30. Figure 5 and Figure 16After placing the first sliding block 22, the second sliding block 23 and the third sliding block 24 in the corresponding sliding grooves 211 on the card holder body 21, the fixing plate 25 is superimposed on the first sliding block 22, the second sliding block 23 and the third sliding block 24. At this time, a track for the first sliding block 22, the second sliding block 23 and the third sliding block 24 to slide is formed between the fixing plate 25 and the card holder body 21. The first sliding block 22 can slide along the second direction (X-axis) toward the second sliding block 23 and the third sliding block 24 until the second engaging positions 262 of the slots 26 on either side thereof engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide along the first direction (Y-axis) toward the third sliding block 24 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide along the first direction toward the second sliding block 23 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. At this point, the area enclosed by the first, second, and third sliding blocks 22, 23, and 24 is relatively small and can accommodate a smaller electronic card 30, such as a small SIM card.

[0106] In addition, in this embodiment, a protrusion 215 is provided along the first direction of the card tray body 21, away from the card tray door panel 212. The central area of the protrusion 215 can accommodate an electronic storage card 31, such as a Micro SD card. Therefore, the card tray assembly 20 can simultaneously accommodate a coplanar Micro SD card and a SIM card.

[0107] [Eleventh embodiment]

[0108] Figures 17a to 17c 3 views of the card tray assembly in the eleventh embodiment of the present invention, wherein Figure 17c For top view, Figure 17a For bottom view, Figure 17b The picture is a side view. Figure 5 and Figure 17a 17 c , the difference between this embodiment and the second embodiment is that in this embodiment, an additional area for accommodating a Micro SD card is provided along the thickness direction (Z-axis direction) of the card tray body 21 .

[0109] Please combine Figure 5 and Figures 17a to 17cAfter the first, second, and third sliding blocks 22, 23, and 24 are placed in their corresponding slots 211 on the card holder body 21, the fixing plate 25 is stacked above the first, second, and third sliding blocks 22, 23, and 24. A track for the first, second, and third sliding blocks 22, 23, and 24 to slide is formed between the fixing plate 25 and the card holder body 21. In the initial state, the first engaging portions 261 of the slots 26 on either side of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25; the first engaging portions 261 of the slots 26 on the second sliding block 23 engage with the elastic arms 251 of the fixing plate 25; and the first engaging portions 261 of the slots 26 on the third sliding block 24 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22 , the second sliding block 23 and the third sliding block 24 is relatively large and can accommodate a relatively large electronic card 30 , for example, a large SIM (Subscriber Identification Module) card.

[0110] Please continue to refer to Figures 17a to 17c In addition to the electronic card 30 placed on the upper surface of the card tray body 21, a carrying portion 216 is also provided on the lower surface of the card tray body 21. This carrying portion 216 can be used to hold the electronic storage card 31, specifically, the electronic storage card 31 is, for example, a Micro SD card. In other words, in this embodiment, a Micro SD card and a large SIM card can be stacked on the card tray body 21, and placed on two opposing surfaces of the card tray body 21.

[0111] [Twelfth embodiment]

[0112] Figures 18a to 18c The three views of the card tray assembly in the second embodiment of the present invention are shown in FIG. Figure 18c For top view, Figure 18a For bottom view, Figure 18b This is a side view. Figure 5 and Figures 18a to 18c The difference between this embodiment and the eleventh embodiment is that the area enclosed by the first sliding block 22 , the second sliding block 23 and the third sliding block 24 is smaller and can accommodate a smaller electronic card 30 .

[0113] Please combine Figure 5 and Figures 18a to 18cAfter placing the first sliding block 22, the second sliding block 23 and the third sliding block 24 in the corresponding sliding grooves 211 on the card holder body 21, the fixing plate 25 is superimposed on the first sliding block 22, the second sliding block 23 and the third sliding block 24. At this time, a track for the first sliding block 22, the second sliding block 23 and the third sliding block 24 to slide is formed between the fixing plate 25 and the card holder body 21. The first sliding block 22 can slide along the second direction (X-axis) toward the second sliding block 23 and the third sliding block 24 until the second engaging positions 262 of the slots 26 on either side thereof engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide along the first direction (Y-axis) toward the third sliding block 24 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide along the first direction toward the second sliding block 23 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. At this point, the area enclosed by the first, second, and third sliding blocks 22, 23, and 24 is relatively small and can accommodate a smaller electronic card 30, such as a small SIM card.

[0114] Please continue to refer to Figures 18a to 18c In addition to the electronic card 30 placed on the upper surface of the card tray body 21, a supporting portion 216 is also provided on the lower surface of the card tray body 21. This supporting portion 216 can be used to support the electronic storage card 31, specifically, the electronic storage card 31 is, for example, a Micro SD card. In this embodiment, the two areas are stacked, and a Micro SD card and a small SIM card can be stacked on the card tray body 21, respectively, on two opposing surfaces of the card tray body 21.

[0115] [Thirteenth embodiment]

[0116] Figures 19a to 19c This is a three-view diagram of one state of the card tray assembly in the thirteenth embodiment of the present invention. Figures 20a to 20c 3 views of another state of the card tray assembly in the thirteenth embodiment of the present invention, wherein Figure 19c and Figure 20c For top view, Figure 19a and Figure 20a For bottom view, Figure 19b and Figure 20b This is a side view. Please refer to 19a to Figure 19c and Figures 20a to 20c The difference between this embodiment and the second embodiment is that a sliding plate 217 is further provided on the card holder body 21. The sliding plate 217 can slide relative to the card holder body 21. The sliding plate 217 is provided with an area for accommodating the electronic storage card 31.

[0117] Please combine Figure 5 、 Figures 19a to 19c and Figures 20a to 20c After the first, second, and third sliding blocks 22, 23, and 24 are placed in the corresponding sliding grooves 211 on the card holder body 21, the fixing plate 25 is superimposed on the first, second, and third sliding blocks 22, 23, and 24. At this time, a track for the first, second, and third sliding blocks 22, 23, and 24 to slide is formed between the fixing plate 25 and the card holder body 21. In the initial state, the first engaging positions 261 of the engaging grooves 26 on both sides of the first sliding block 22 engage with the elastic arms 251 of the fixing plate 25; the first engaging positions 261 of the engaging grooves 26 on the second sliding block 23 engage with the elastic arms 251 of the fixing plate 25; and the first engaging positions 261 of the engaging grooves 26 on the third sliding block 24 engage with the elastic arms 251 of the fixing plate 25. At this time, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 is relatively large and can accommodate a relatively large electronic card 30, for example, a large SIM (Subscriber Identification Module) card.

[0118] Please continue to refer to Figures 19a to 19c and Figures 20a to 20c In addition to the electronic card 30 being placed on the upper surface of the card tray body 21, the electronic storage card 31 can be placed on a sliding plate 217 that is slidably connected to the card tray body 21. The sliding plate 217 can slide relative to the card tray body 21 between a first state and a second state. When in the first state, the sliding plate 217 and the card tray body 21 are stacked. When in the second state, the sliding plate 217 slides out of the card tray body 21 to load the electronic storage card 31, which is placed on the lower surface of the sliding plate 217. Specifically, the electronic storage card 31 is, for example, a Micro SD card. That is, in this embodiment, a Micro SD card and a large SIM card are stacked, and the sliding plate 217 that holds the Micro SD card can slide relative to the card tray body 21.

[0119] Furthermore, the first sliding block 22 can slide along the second direction (X-axis) toward the second sliding block 23 and the third sliding block 24 until the second engaging positions 262 of the slots 26 on either side thereof engage with the elastic arms 251 of the fixing plate 25. The second sliding block 23 can slide along the first direction (Y-axis) toward the third sliding block 24 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. The third sliding block 24 can slide along the first direction toward the second sliding block 23 until the second engaging positions 262 of its slots 26 engage with the elastic arms 251 of the fixing plate 25. In this case, the area enclosed by the first, second, and third sliding blocks 22, 23, and 24 is smaller and can accommodate a smaller electronic card 30, such as a small SIM card.

[0120] That is, when the spring arms 251 on the fixing plate 25 are respectively engaged with different positions of the card slots 26 on the first sliding block 22, the second sliding block 23 and the third sliding block 24, the area enclosed by the first sliding block 22, the second sliding block 23 and the third sliding block 24 can accommodate SIM cards of different sizes.

[0121] In other embodiments, the card tray assembly may be provided with a first card slot and a second card slot for carrying electronic cards of different sizes, and at least one sliding member, wherein the first card slot and the second card slot are arranged to overlap or partially overlap, the first card slot can accommodate a card of a first size, and the second card slot can form different spaces by the movement of at least one sliding member to accommodate cards of different or the same size as the first size. The sliding member is, for example, a first card tray frame, the first card tray frame is slidably connected to the card tray body, and the first card tray frame can slide in a horizontal plane relative to the card tray body. Specifically, two parallel slide grooves are provided on each opposite side of the first card tray frame, and slide rails are provided on opposite sides of the card tray body, the slide rails are accommodated in the slide grooves, and the first card tray frame slides relative to the card tray body through the slide rails and the slide grooves.

[0122] [Fourteenth embodiment]

[0123] Figure 21 FIG22 is a structural diagram of one state of the card tray assembly in the fourteenth embodiment of the present invention, and FIG23 is a structural diagram of another state of the card tray assembly in the fourteenth embodiment of the present invention. Figure 21 to Figure 22This embodiment provides a card tray assembly 20, which includes a first card slot 221, a second card slot 222 and a movable member 27. The first card slot 221 is larger than the second card slot 222. The first card slot 221 and the second card slot 222 partially overlap and are respectively used to carry electronic cards 30 of different sizes. The first card slot 221 is formed by the movable member 27 in the first state; the second card slot 222 is formed by the movable member 27 in the second state. Figure 21 This is the first state in this embodiment. Figure 22 This is the second state in this embodiment.

[0124] Specifically, the movable member 27 includes a first telescopic rod 271 arranged along the second direction (the X-axis) and a second telescopic rod 272 arranged along the first direction (the Y-axis). An elastic member 273 is disposed in the middle of each of the first and second telescopic rods 271, 272. Due to the provision of the elastic member 273, the length of the first telescopic rod 271 can be extended or retracted along the second direction, while the length of the second telescopic rod 272 can be extended or retracted along the first direction. In this embodiment, the elastic member 273 may be, for example, a spring.

[0125] Please continue to refer to Figure 21 and Figure 22 The card tray assembly further includes a first slide groove 211a arranged along a first direction and a second slide groove 211b arranged along a second direction. One end of the first telescopic rod 271 is disposed in the first slide groove 211a and can slide along the first slide groove 211a. One end of the second telescopic rod 272 is disposed in the second slide groove 211b and can slide along the second slide groove 211b. Specifically, in this embodiment, a first slider 217a is disposed at one end of the first telescopic rod 271. The first slider 217a is disposed in the first slide groove 211a and can slide along the first slide groove 211a. The first slider 217a drives the first telescopic rod 271 in the first direction. The second telescopic rod 272 is disposed at one end of the second slide groove 211b. The second slider 217b is disposed in the second slide groove 211b and can slide along the second slide groove 211b. The second slider 271b drives the second telescopic rod 272 in the second direction.

[0126] When the moving member 27 moves to the first state, the first card slot 221 formed by the moving member 27 and the card holder body 21 can be used to place a larger electronic card 30, such as Figure 21 When the moving member 27 moves to the second state, the second card slot 222 formed with the card tray body 21 can be used to place a smaller electronic card 30, such as Figure 22 shown.

[0127] [Fifteenth embodiment]

[0128] Figure 23FIG24 is a structural diagram of one state of the card tray assembly in the fifteenth embodiment of the present invention, and FIG25 is a structural diagram of another state of the card tray assembly in the fifteenth embodiment of the present invention. Figure 23 and Figure 24 The movable rod 28 includes a first sliding rod 281 and a second sliding rod 282, each of which has a curved arm structure. When the first sliding rod 281 and the second sliding rod 282 are in the first position, the first sliding rod 281, the second sliding rod 282, and the card holder body 21 form a first engaging slot 221. When the first sliding rod 281 and the second sliding rod 282 are in the second position, the first sliding rod 281, the second sliding rod 282, and the card holder body 21 form a second engaging slot 222.

[0129] Please continue to refer to Figure 23 and Figure 24 The first sliding rod 281 includes a first horizontal portion 2811, a second horizontal portion 2812, and a first rotating portion 2813. The first rotating portion 2813 is located between the first horizontal portion 2811 and the second horizontal portion 2812. The second sliding rod 282 includes a first vertical portion 2821, a second vertical portion 2822, and a second rotating portion 2823. The second rotating portion 2823 is located between the first vertical portion 2821 and the second vertical portion 2822. The first horizontal portion 2811 is fixed to the card holder body 21, and the first rotating portion 2813 is rotatable relative to the first horizontal portion 2811. Rotation of the first rotating portion 2813 drives movement of the second horizontal portion 2812. The first vertical portion 2821 is fixed to the card holder body 21, and the second rotating portion 2823 is rotatable relative to the first vertical portion 2821. Rotation of the second rotating portion 2823 drives movement of the second vertical portion 2822.

[0130] When the first sliding rod 281 and the second sliding rod 282 move to the first position, the first sliding rod 281, the second sliding rod 282 and the card holder body 21 form a first card slot 221 for placing a smaller electronic card 30, such as Figure 23 When the first sliding rod 281 and the second sliding rod 282 are moved to the second position, the first sliding rod 281, the second sliding rod 282 and the card holder body 21 form a second card slot 222 which can be used to place a larger electronic card 30, such as Figure 24 shown.

[0131] The present invention also provides a terminal comprising the card connector described above.

[0132] The present invention provides a card tray assembly 20, a card connector 100 and a terminal. The card tray assembly 20 includes a card tray body 21 and multiple sliding blocks 201. The card tray body 21 is provided with a slide groove 211 for the multiple sliding blocks 201 to slide. The multiple sliding blocks 201 are slidably arranged on the card tray body 21 through the slide groove 11. The multiple sliding blocks 201 can be enclosed to form areas of different sizes by sliding, which are used to accommodate electronic cards 30 of different sizes.

[0133] As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion of elements other than the listed elements and may also include additional elements not specifically listed.

[0134] In this document, directional terms such as front, back, top, and bottom are defined based on the positions of components in the accompanying drawings and relative to each other, and are intended only for clarity and convenience in describing the technical solution. It should be understood that the use of these directional terms should not limit the scope of protection claimed in this application.

[0135] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0136] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

Claims

1. A card tray assembly, characterized in that: The card holder comprises a card holder body and a plurality of sliding blocks, wherein the card holder body is provided with a sliding groove for the plurality of sliding blocks to slide, and the plurality of sliding blocks are slidably arranged on the card holder body through the sliding groove. The plurality of sliding blocks can enclose areas of different sizes by sliding to accommodate electronic cards of different sizes; The multiple sliding blocks include a first sliding block, a second sliding block and a third sliding block, the first sliding block is in a U-shaped structure, the second sliding block and the third sliding block are in an L-shaped structure, the card holder body has a first direction and a second direction, the first direction and the second direction are perpendicular to each other, the first sliding block can slide on the sliding groove along the first direction toward the second sliding block and the third sliding block, the second sliding block can slide on the sliding groove along the second direction toward the third sliding block, and the third sliding block can slide on the sliding groove along the second direction toward the second sliding block; When accommodating the electronic card, the U-shaped first sliding block is used to abut against two adjacent corners of the electronic card, and the L-shaped second sliding block and the L-shaped third sliding block are used to abut against the other two adjacent corners of the electronic card.

2. The card tray assembly according to claim 1, wherein: The card tray assembly also includes a fixing plate, which is superimposed on the card tray body. The multiple sliding blocks are arranged between the fixing plate and the card tray body. The sliding groove is formed into a track for the multiple sliding blocks to slide. The multiple sliding blocks can be fixed at different positions in the track through the fixing plate.

3. The card tray assembly according to claim 2, wherein: A hollow portion is provided in the middle of the fixing plate, and elastic arms are provided along the circumference of the fixing plate. The first sliding block, the second sliding block and the third sliding block are all provided with slots that match the elastic arms.

4. The card tray assembly according to claim 3, wherein: Each of the card slots includes a first card position and a second card position, and the elastic arm can be respectively engaged with the first card position and the second card position of each of the card slots.

5. The card tray assembly according to claim 1, wherein: The card tray assembly includes two areas formed by two first sliding blocks, two second sliding blocks and two third sliding blocks, each of the areas is formed by one first sliding block, one second sliding block and one third sliding block, and each of the areas is used to place one electronic card.

6. The card tray assembly according to claim 5, wherein: The two areas are arranged on the same surface of the card holder body, or on two opposite surfaces of the card holder body.

7. The card tray assembly according to claim 1, wherein: The card tray assembly includes two areas, which are arranged coplanarly, and each area is used to place an electronic card. One of the areas is formed by a first sliding block, a second sliding block, a third sliding block and the card tray body, and a protrusion is also provided on the card tray body. The other area is formed on the protrusion.

8. The card tray assembly according to claim 7, wherein: The card holder body has a card holder door panel facing outward and an insertion end arranged relative to the card holder door panel, and the protrusion is formed on the card holder body and protrudes away from the card holder door panel.

9. The card tray assembly according to claim 1, wherein: The card tray assembly includes two areas, which are stacked together. Each area is used to place an electronic card. One of the areas is formed by a first sliding block, a second sliding block, a third sliding block and the card tray body. A bearing portion is also provided on the card tray body, and the other area is formed on the bearing portion.

10. The card tray assembly according to claim 9, wherein: The bearing portion is stacked with the card holder body along a thickness direction of the card holder body.

11. The card tray assembly according to claim 1, wherein: The card tray assembly includes two areas, each of which is used to place an electronic card, one of which is formed by a first sliding block, a second sliding block, a third sliding block and the card tray body, and the card tray assembly also includes a sliding plate that is slidably connected to the card tray body, and the other area is formed on the sliding plate.

12. The card tray assembly according to claim 11, wherein: The sliding plate can slide relative to the card holder body between a first state and a second state. When in the first state, the sliding plate and the card holder body are stacked on each other. When in the second state, the sliding plate slides out of the card holder body to load one of the electronic cards.

13. A card connector, characterized in that: Comprising a card tray assembly as described in any one of claims 1-12.

14. The card connector according to claim 13, wherein: The card connector includes a printed circuit board and a card seat connected to the printed circuit board, and an accommodating space for accommodating the card tray assembly is formed between the printed circuit board and the card seat.

15. The card connector according to claim 14, wherein: The card holder includes a push rod, a lever, a contact spring and a card holder shell. The push rod, the lever and the contact spring are all connected to the card holder shell to form the card holder.

16. A terminal, characterized in that: The card connector comprises the card connector according to any one of claims 13 to 15.

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