Memory card holder

By employing a card slot body and metal cover design in the memory card slot, combined with sliding grooves and elastic contact terminals, and utilizing the coordinated movement of sliders and control levers, the problem of jamming when inserting or removing large SD cards is solved, enabling convenient insertion and removal operations.

CN223809271UActive Publication Date: 2026-01-16SHENZHEN PRECISION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520474518.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-16
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing memory card slots are prone to jamming when inserting or removing large SD cards.

Method used

The design includes a card holder body and a metal top cover. The inner bottom surface is equipped with a parallel slide groove and elastic contact terminals. The slide groove contains a spring positioning post, a return spring, and a control rod. The smooth insertion and removal of the SD card is achieved through the coordinated movement of the slider and the control rod. The elastic element and positioning mechanism ensure that jamming problems are avoided.

Benefits of technology

This technology ensures that larger SD cards do not experience jamming issues when inserted or removed, improving ease of use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223809271U_ABST
    Figure CN223809271U_ABST
Patent Text Reader

Abstract

A memory card seat comprises a card seat body and a metal upper cover, two opposite sides of the inner bottom surface of the card seat body are provided with a first sliding groove and a second sliding groove which are parallel to each other, the first sliding groove and the second sliding groove are parallel to the inserting or pulling-out direction of a memory card, and the middle part of the inner bottom surface of the card seat body is provided with a plurality of elastic contact terminals and welding terminals; a first spring positioning column, a first reset spring, a first sliding block and a first control rod are arranged at the end, away from the inlet, in the first sliding groove, the first spring positioning column is sleeved with one end of the first reset spring, and the other end of the first reset spring extends into a first round hole in the rear end of the first sliding block. A first end of the first control rod is hooked in a first positioning hole, close to one end of the inlet, of the clamping seat body, and a second end of the first control rod is hooked in the first closed-loop control groove; the SD card connector has the advantages that the SD card connector is suitable for the SD card with a larger area, and the problem of card clamping cannot occur when the SD card is inserted or pulled out.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a card seat, especially a memory card card seat. BACKGROUND

[0002] The SD card is a kind of small storage card, mainly used for equipment expansion storage space. Among them, mobile including mobile phone, tablet computer expansion, drive recorder, sports camera, unmanned aerial vehicle, and smart home, industrial control equipment storage data and game machine and other equipment's storage expansion.

[0003] If SD card is to be conveniently installed and removed on equipment, it needs to be installed with a memory card card seat in advance on equipment. The existing memory card card seat mostly adopts push-push type design, and is switched between insertion and removal by heart-shaped groove cooperation positioning rod. The memory card card seat of this structure is not a problem when using the SD card with smaller area, but for the SD card with larger area, it is difficult to insert or remove the SD card. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a memory card card seat suitable for the use of SD card with larger area, and the SD card does not appear the problem of being stuck when being inserted or removed.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A memory card card seat, including card seat body and metal upper cover, the metal upper cover is arranged in the card seat body and constitutes the containing space containing memory card, the memory card is inserted or removed by the entrance of containing space;First sliding groove and second sliding groove are equipped with the opposite sides of the inner bottom surface of the card seat body, and the first sliding groove and the second sliding groove are parallel to the insertion or removal direction of memory card, a plurality of elastic contact terminals and welding terminals are equipped in the middle of the inner bottom surface of the card seat body;

[0007] First spring positioning column, first reset spring, first sliding block and first control rod are equipped with the end away from the entrance in the first sliding groove, one end of the first reset spring is sleeved on the first spring positioning column, the other end of the first reset spring is stretched in the first round hole in the rear end of the first sliding block, the first end of the first control rod is hooked in the first positioning hole of the card seat body close to the entrance, and the second end of the first control rod is hooked in the first closed loop control groove;

[0008] When the storage card is inserted, the inner end of the storage card abuts against the first slider abutting portion, and under the action of external force, the storage card forces the first slider to move inward, the second end of the first control rod, which is hooked in the first closed loop control groove, moves from the first segment control groove bottom end of the first closed loop control groove to the top end of the first segment control groove and enters the second segment control groove along the first upward inclined groove, and a first check step is arranged at the junction of the first upward inclined groove and the second segment control groove to allow the second end to move from the first upward inclined groove to the second segment control groove only; when the storage card is released, under the action of the return force of the first return spring, the second end of the first control rod moves downward along the second segment control groove to the first apex groove, a second check step is arranged at the junction of the second segment control groove and the first apex groove to allow the second end to move from the second segment control groove to the first apex groove only, so that the storage card is in the card insertion state; when the card is pulled out, the storage card is pressed inward again, the second end of the first control rod moves from the first apex groove to the third segment control groove along the second upward inclined groove, a third check step is arranged at the junction of the second upward inclined groove and the third segment control groove to allow the second end to move from the second upward inclined groove to the third segment control groove only, and when the card is released again, under the action of the return force of the first return spring, the second end of the first control rod moves downward along the third segment control groove to the first segment control groove, completing a cycle, and a fourth check step is arranged at the junction of the third segment control groove and the first segment control groove to allow the second end to move from the third segment control groove to the first segment control groove only.

[0009] A second spring positioning column, a second return spring, a second slider and a second control rod are arranged at one end of the second sliding groove away from the entrance, one end of the second return spring is sleeved on the second spring positioning column, the other end of the second return spring extends into the second circular hole at the rear end of the second slider, the third end of the second control rod is hooked in the second positioning hole of the card seat body near one end of the entrance, and the fourth end of the second control rod is hooked in the second closed loop control groove.

[0010] When the storage card is inserted, the inner end of the storage card abuts against the second slider abutting portion, and under the action of external force, the storage card forces the second slider to move inward, the fourth end of the hook of the second control rod in the second closed loop control groove moves from the fourth segment control groove bottom end to the top end of the fourth segment control groove, and enters the fifth segment control groove along the third upward inclined groove, and a fifth non-return step is arranged at the junction of the third upward inclined groove and the fifth segment control groove, which only allows the fourth end to move from the third upward inclined groove to the fifth segment control groove; when the storage card is released, under the action of the return force of the second reset spring, the fourth end of the second control rod moves downward along the fifth segment control groove to the second top point groove, a sixth non-return step is arranged at the junction of the fifth segment control groove and the second top point groove, which only allows the fourth end to move from the fifth segment control groove to the second top point groove, so that the storage card is in the card insertion state; when the card is pulled out, the storage card is pressed inward again, the fourth end of the second control rod moves from the second top point groove to the sixth segment control groove along the fourth upward inclined groove, a seventh non-return step is arranged at the junction of the fourth upward inclined groove and the sixth segment control groove, which only allows the second end to move from the fourth upward inclined groove to the sixth segment control groove, when the storage card is released again, under the action of the return force of the second reset spring, the fourth end of the second control rod moves downward along the sixth segment control groove to the fourth segment control groove, completes a cycle, and an eighth non-return step is arranged at the junction of the sixth segment control groove and the fourth segment control groove, which only allows the fourth end to move from the sixth segment control groove to the fourth segment control groove.

[0011] As an improvement of the utility model, a first elastic piece for pressing the first control rod is arranged on the metal upper cover.

[0012] As an improvement of the utility model, the first elastic piece is T-shaped, and the first elastic piece is directly hollowed out on the metal upper cover.

[0013] As an improvement of the utility model, a second elastic piece for pressing the second control rod is arranged on the metal upper cover.

[0014] As an improvement of the utility model, the second elastic piece is T-shaped, and the second elastic piece is directly hollowed out on the metal upper cover.

[0015] As an improvement of the utility model, a third closed loop control groove which is completely same as the structure of the first closed loop control groove is arranged on the back of the first slider.

[0016] As an improvement of the utility model, a fourth closed loop control groove which is completely same as the structure of the second closed loop control groove is arranged on the back of the second slider.

[0017] As improvement of the utility model, still include first memory card positioning mechanism, first memory card positioning mechanism includes first positioning spring and first positioning piece, first positioning spring includes first fixed part, and first buckle and first stop portion that first fixed part extends out in turn, first stop portion is higher than first buckle, first fixed part is located on second sliding block, when memory card is inserted to the bottom, first buckle is just clamped in the first buckle of memory card, and first positioning piece cooperates with first stop portion, prevents first buckle from moving in and unlocking.

[0018] As improvement of the utility model, the utility model still includes second memory card positioning mechanism, second memory card positioning mechanism includes second positioning spring and second positioning piece, second positioning spring includes second fixed part, and second buckle and second stop portion that second fixed part extends out in turn, second stop portion is higher than second buckle, second fixed part is located on first sliding block, when memory card is inserted to the bottom, second buckle is just clamped in the second buckle of memory card, and second positioning piece cooperates with second stop portion, prevents second buckle from moving in and unlocking.

[0019] The utility model discloses a card seat body and metal upper cover are included, the metal upper cover sets up the containing space that constitutes containing memory card of card seat body, and memory card is inserted or pulled out through the entrance of containing space, be equipped with first sliding groove on the inner bottom surface of card seat body at least one side first sliding groove is parallel to the insertion or the pulling out direction of memory card, be equipped with a plurality of elastic contact terminal and the structure of welding terminal in the middle of the inner bottom surface of card seat body, so the utility model has the advantage that SD card is not appeared card card problem when inserting or pulling out, and SD card is suitable for the use of larger area. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the exploded structure schematic view of an embodiment of the utility model.

[0021] Figure 2 It is Figure 1 It is the structure schematic view of partially combined.

[0022] Figure 3 It is Figure 1 It is the structure schematic view of completely combined.

[0023] Figure 4 It is Figure 2 It is the structure schematic view of another perspective of solid.

[0024] Figure 5 It is Figure 1 It is the enlarged structure schematic view of sliding block in.

[0025] Figure 6 For Figure 1 The perspective structure diagram of the positioning rod in the DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of this application, rather than all the embodiments.

[0027] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of this application, rather than all the embodiments. Figures 1-6 The application is described in further detail below.

[0028] Figures 1-6 Disclosed is a memory card socket, comprising a socket body 1 and a metal upper cover 2, the metal upper cover 2 is arranged on the socket body 1 to form a receiving space for receiving a memory card, the memory card is inserted or pulled out through an entrance 3 (see Figure 3 ) of the receiving space; first and second sliding grooves 11 and 12 are arranged on opposite sides of the inner bottom surface of the socket body 1 and are parallel to each other, the first and second sliding grooves 11 and 12 are parallel to the insertion or pulling-out direction of the memory card, a plurality of elastic contact terminals 13 and solder terminals 14 are arranged on the middle part of the inner bottom surface of the socket body 1;

[0029] A first spring positioning column 111 (which is cylindrical), a first return spring 112, a first sliding block 113 and a first control rod 114 are arranged in the first sliding groove 11 away from the entrance 3, one end of the first return spring 112 is sleeved on the first spring positioning column 111, the other end of the first return spring 112 extends into a first circular hole 1131 at the rear end of the first sliding block 113, and the first end 1141 (see Figure 6) the first end 1141 of the first control rod 114 is hooked in the first positioning hole 115 of the cartridge body 1 near the entrance 3, the second end 1142 of the first control rod 114 is hooked in the first closed-loop control groove 1132, the first closed-loop control groove 1132 is a closed-loop groove composed of a first control groove segment 11321, a first upward inclined groove 11322, a second control groove segment 11323, a first vertex groove 11325 and a second upward inclined groove 11327 (see below for details); a first check step 11324 is arranged at the junction of the first upward inclined groove 11322 and the second control groove segment 11323, which only allows the second end 1142 to move from the first upward inclined groove 11322 to the second control groove segment 11323; a second check step 11326 is arranged at the junction of the second control groove segment 11323 and the first vertex groove 11325, which only allows the second end 1142 to move from the second control groove segment 11323 to the first vertex groove 11325; a third check step 11329 is arranged at the junction of the second upward inclined groove 11327 and a third control groove segment 11328, which only allows the second end 1142 to move from the second upward inclined groove 11327 to the third control groove segment 11328; a fourth check step 113291 is arranged at the junction of the third control groove segment 11328 and the first control groove segment 11321, which only allows the second end 1142 to move from the third control groove segment 11328 to the first control groove segment 11321.

[0030] When a memory card (not shown) is inserted from the entrance 3, the inner end of the memory card abuts against the first slider abutting portion 1133, and under the action of an external force, the memory card forces the first slider 113 to move inward, the second end 1142 of the first control rod 114, which is hooked in the first closed-loop control groove 1132, moves from the bottom end of the first section control groove 11321 of the first closed-loop control groove 1132 to the top end of the first section control groove 11321 and enters the second section control groove 11323 along the first upward inclined groove 11322, and a first check step 11324 is arranged at the junction of the first upward inclined groove 11322 and the second section control groove 11323 to allow the second end 1142 to move from the first upward inclined groove 11322 to the second section control groove 11323 only; when the memory card is released, under the action of the return force of the first return spring 112, the second end 1142 of the first control rod 114 moves downward along the second section control groove 11323 to the first top groove 11325, and a second check step 11326 is arranged at the junction of the second section control groove 11323 and the first top groove 11325 to allow the second end 1142 to move from the second section control groove 11323 to the first top groove 11325 only, so that the memory card is in the inserted state; when the card is pulled out, the memory card is pressed inward again, the second end 1142 of the first control rod 114 moves from the first top groove 11325 to the third section control groove 11328 along the second upward inclined groove 11327, and a third check step 11329 is arranged at the junction of the second upward inclined groove 11327 and the third section control groove 11328 to allow the second end 1142 to move from the second upward inclined groove 11327 to the third section control groove 11328 only; when the memory card is released again, under the action of the return force of the first return spring 112, the second end 1142 of the first control rod 114 moves downward along the third section control groove 11328 to the first section control groove 11321, completing a cycle, and a fourth check step 113291 is arranged at the junction of the third section control groove 11328 and the first section control groove 11321 to allow the second end 1142 to move from the third section control groove 11328 to the first section control groove 11321 only (see Figure 5 ).

[0031] The second spring positioning post 121, the second reset spring 122, the second sliding block 123 and the second control rod 124 are arranged in the second sliding slot 12 away from the entrance 3. One end of the second reset spring 122 is sleeved on the second spring positioning post 121, and the other end of the second reset spring 122 extends into the second circular hole 1231 at the rear end of the second sliding block 123. The third end 1241 of the second control rod 124 is hooked in the second positioning hole 125 near the entrance 3 of the clamping seat body 1, and the fourth end 1242 of the second control rod 124 is hooked in the second closed-loop control slot 1232. The second closed-loop control slot 1232 is a closed-loop slot composed of a fourth segment control slot 12321, a third uplink inclined slot 12322, a fifth segment control slot 12323, a second vertex slot 12325 and a fourth uplink inclined slot 12327 (for details, see below). A fifth non-return step 12324 is arranged at the junction of the third uplink inclined slot 12322 and the fifth segment control slot 12323, which allows the fourth end 1242 to move from the third uplink inclined slot 12322 to the fifth segment control slot 12323. A sixth non-return step 12326 is arranged at the junction of the fifth segment control slot 12323 and the second vertex slot 12325, which allows the fourth end 1242 to move from the fifth segment control slot 12323 to the second vertex slot 12325. A seventh non-return step 12329 is arranged at the junction of the fourth uplink inclined slot 12327 and the sixth segment control slot 12328, which allows the fourth end 1242 to move from the fourth uplink inclined slot 12327 to the sixth segment control slot 12328. An eighth non-return step 123291 is arranged at the junction of the sixth segment control slot 12328 and the fourth segment control slot 12321, which allows the fourth end 1242 to move from the sixth segment control slot 12328 to the fourth segment control slot 12321.

[0032] When the memory card is inserted from the entrance 3, the inner end of the memory card abuts against the second slider abutting part 1233, under the action of external force, the memory card forces the second slider 123 to move inward, the fourth end 1242 of the second control rod 124 which is hooked in the second closed loop control groove 1232 moves from the bottom end of the fourth segment control groove 12321 to the top end of the fourth segment control groove 12321, and enters the fifth segment control groove 12323 along the third upward inclined groove 12322, a fifth non-return step 12324 is arranged at the junction of the third upward inclined groove 12322 and the fifth segment control groove 12323, which only allows the fourth end 1242 to move from the third upward inclined groove 12322 to the fifth segment control groove 12323; when the memory card is released, under the action of the return force of the second reset spring 122, the fourth end 1242 of the second control rod 124 moves downward along the fifth segment control groove 12323 to the second top point groove 12325, a sixth non-return step 12326 is arranged at the junction of the fifth segment control groove 12323 and the second top point groove 12325, which only allows the fourth end 1242 to move from the fifth segment control groove 12323 to the second top point groove 12325, so that the memory card is in the inserted state; when the card is pulled out, the memory card is pressed inward again, the fourth end 1242 of the second control rod 124 moves from the second top point groove 12325 to the sixth segment control groove 12328 along the fourth upward inclined groove 12327, a seventh non-return step 12329 is arranged at the junction of the fourth upward inclined groove 12327 and the sixth segment control groove 12328, which only allows the fourth end 1242 to move from the fourth upward inclined groove 12327 to the sixth segment control groove 12328, when the memory card is released again, under the action of the return force of the second reset spring 122, the fourth end 1242 of the second control rod 124 moves downward along the sixth segment control groove 12328 to the fourth segment control groove 12321, completing a cycle, an eighth non-return step 123291 is arranged at the junction of the sixth segment control groove 12328 and the fourth segment control groove 12321, which only allows the fourth end 1242 to move from the sixth segment control groove 12328 to the fourth segment control groove 12321.

[0033] Preferably, a first elastic member 21 is arranged on the metal upper cover 2 for pressing the first control rod 114.

[0034] Preferably, the first elastic member 21 is T-shaped, and the first elastic member 21 is directly hollowed out on the metal upper cover 2.

[0035] Preferably, a second elastic member 22 is arranged on the metal upper cover 2 for pressing the second control rod 124.

[0036] Preferably, the second elastic member 22 is T-shaped, and the second elastic member 22 is directly hollowed out on the metal upper cover 2.

[0037] Preferably, a third closed-loop control groove which is completely same in structure with the first closed-loop control groove 1132 is arranged on the back of the first slider 113, so that the first slider 113 can be used as the second slider 123 after mirror image turning, and a pair of molds can be used to produce the first slider 113 and the second slider 123, thereby reducing the number of molds and the storage amount of sliders.

[0038] Preferably, a fourth closed-loop control groove which is completely same in structure with the second closed-loop control groove 1232 is arranged on the back of the second slider 123, so that the second slider 123 can be used as the first slider 113 after mirror image turning, and a pair of molds can be used to produce the first slider 113 and the second slider 123, thereby reducing the number of molds and the storage amount of sliders.

[0039] Preferably, the utility model also includes first memory card positioning mechanism 4, first memory card positioning mechanism 4 includes first positioning spring 41 and first positioning piece 42 (first positioning piece 42 is by metal upper cover 2 downward stamping bending), first positioning spring 41 includes first fixed part 411, and first buckle 412 and first stop part 413 that are extended from first fixed part 411 in proper order, first stop part 413 is higher than first buckle 412, and first fixed part 411 is located on second slider 123, when memory card is inserted to the bottom, first buckle 412 is just clamped in the first buckle of memory card, and first positioning piece 42 cooperates with first stop part 413, prevents first buckle 412 from moving in and unlocking.

[0040] Preferably, the utility model also includes second memory card positioning mechanism, second memory card positioning mechanism includes second positioning spring and second positioning piece, second positioning spring includes second fixed part, and second buckle and second stop part that are extended from second fixed part in proper order, second stop part is higher than second buckle, and second fixed part is located on first slider, when memory card is inserted to the bottom, second buckle is just clamped in the second buckle of memory card, and second positioning piece cooperates with second stop part, prevents second buckle from moving in and unlocking (not drawn).

[0041] The metal upper cover 2 is also provided with a welding leg 23 turned outward, which is beneficial for welding the utility model with another circuit board.

[0042] The utility model discloses a card seat body 1 and metal upper cover 2 are by buckle structure 5 connection, buckle structure 5 includes the outward protruding card lug 52 of setting on the four -around outer wall of card seat body 1, and the card hole 51 of setting on the corresponding position of metal upper cover 2 with card lug 52, when metal upper cover 2 covers on card seat body 1, will metal upper cover 2 with card seat body 1 buckle.

[0043] The above is only the preferred embodiment of the specific implementation, but the protection scope of the embodiment is not limited to this, any person skilled in the art in the technical range disclosed by the embodiment, according to the technical scheme and the utility model concept of the embodiment, equivalent replacement or change, should be covered in the protection scope of the embodiment.

Claims

1. A memory card socket, characterized by comprising: The application relates to a card seat body (1) and a metal upper cover (2), the metal upper cover (2) is arranged on the card seat body (1) to form a storage card containing space, the storage card is inserted or pulled out through an entrance (3) of the containing space; first and second sliding grooves (11) and (12) are arranged on opposite sides of the inner bottom surface of the card seat body (1) and are parallel to each other, the first and second sliding grooves (11) and (12) are parallel to the insertion or pulling-out direction of the storage card, a plurality of elastic contact terminals (13) and welding terminals (14) are arranged on the middle part of the inner bottom surface of the card seat body (1); a first spring positioning column (111), a first reset spring (112), a first sliding block (113) and a first control rod (114) are arranged at the end of the first sliding groove (11) away from the entrance (3), one end of the first reset spring (112) is sleeved on the first spring positioning column (111), the other end of the first reset spring (112) is arranged in a first circular hole (1131) at the rear end of the first sliding block (113), a first end (1141) of the first control rod (114) is hooked in a first positioning hole (115) near the entrance (3) of the card seat body (1), and a second end (1142) of the first control rod (114) is hooked in a first closed-loop control groove (1132); the first closed-loop control groove (1132) is formed by connecting a first control groove (11321), a first upward inclined groove (11322), a second control groove (11323), a first vertex groove (11325) and a second upward inclined groove (11327) in a head-to-tail mode; a first check step (11324) is arranged at the junction of the first upward inclined groove (11322) and the second control groove (11323) and only allows the second end (1142) to move from the first upward inclined groove (11322) to the second control groove (11323); a second check step (11326) is arranged at the junction of the second control groove (11323) and the first vertex groove (11325) and only allows the second end (1142) to move from the second control groove (11323) to the first vertex groove (11325); a third check step (11329) is arranged at the junction of the second upward inclined groove (11327) and a third control groove (11328) and only allows the second end (1142) to move from the second upward inclined groove (11327) to the third control groove (11328); and a fourth check step (113291) is arranged at the junction of the third control groove (11328) and the first control groove (11321) and only allows the second end (1142) to move from the third control groove (11328) to the first control groove (11321). A second spring positioning column (121), a second reset spring (122), a second sliding block (123) and a second control rod (124) are arranged in the second chute (12) away from the entrance (3), one end of the second reset spring (122) is sleeved on the second spring positioning column (121), the other end of the second reset spring (122) extends into the second circular hole (1231) at the rear end of the second sliding block (123), the third end (1241) of the second control rod (124) is hooked in the second positioning hole (125) of the holder body (1) near the entrance (3), and the fourth end (1242) of the second control rod (124) is hooked in the second closed-loop control groove (1232). The second closed-loop control groove (1232) is formed by the fourth segment control groove (12321), the third upward inclined groove (12322), the fifth segment control groove (12323), the second vertex groove (12325) and the fourth upward inclined groove (12327) connected end to end; the fifth non-return step (12324) allowing the fourth end (1242) to move from the third upward inclined groove (12322) to the fifth segment control groove (12323) is arranged at the junction of the third upward inclined groove (12322) and the fifth segment control groove (12323); the sixth non-return step (12326) allowing the fourth end (1242) to move from the fifth segment control groove (12323) to the second vertex groove (12325) is arranged at the junction of the fifth segment control groove (12323) and the second vertex groove (12325); the seventh non-return step (12329) allowing the fourth end (1242) to move from the fourth upward inclined groove (12327) to the sixth segment control groove (12328) is arranged at the junction of the fourth upward inclined groove (12327) and the sixth segment control groove (12328); and the eighth non-return step (123291) allowing the fourth end (1242) to move from the sixth segment control groove (12328) to the fourth segment control groove (12321) is arranged at the junction of the sixth segment control groove (12328) and the fourth segment control groove (12321).

2. The memory card receptacle of claim 1, wherein, A first elastic member (21) for pressing the first control rod (114) is arranged on the metal upper cover (2).

3. The memory card receptacle of claim 2, wherein, The first elastic member (21) is T-shaped, and the first elastic member (21) is directly hollowed out on the metal upper cover (2).

4. The memory card receptacle of claim 1, wherein, A second elastic member (22) for pressing the second control rod (124) is arranged on the metal upper cover (2).

5. The memory card receptacle of claim 4, wherein, The second elastic member (22) is T-shaped, and the second elastic member (22) is directly hollowed out on the metal upper cover (2).

6. The memory card receptacle according to any one of claims 1 to 5, wherein A third closed-loop control groove identical in structure to the first closed-loop control groove (1132) is arranged on the back of the first sliding block (113).

7. The memory card receptacle according to any one of claims 1 to 5, wherein A fourth closed-loop control groove identical to the second closed-loop control groove (1232) is arranged on the back of the second slider (123).

8. The memory card receptacle of any one of claims 1-5, wherein, The first storage card positioning mechanism (4) comprises a first positioning spring (41) and a first positioning sheet (42), the first positioning spring (41) comprises a first fixed part (411), a first locking part (412) and a first blocking part (413) which are sequentially extended from the first fixed part (411), the first blocking part (413) is higher than the first locking part (412), and the first fixed part (411) is arranged on the second slider (123); when the storage card is fully inserted, the first locking part (412) is just locked in the first locking part of the storage card, and the first positioning sheet (42) cooperates with the first blocking part (413) to prevent the first locking part (412) from moving inward to be unlocked.

9. The memory card receptacle of any one of claims 1-5, wherein, The second storage card positioning mechanism comprises a second positioning spring and a second positioning sheet, the second positioning spring comprises a second fixed part, a second locking part and a second blocking part which are sequentially extended from the second fixed part, the second blocking part is higher than the second locking part, and the second fixed part is arranged on the first slider; when the storage card is fully inserted, the second locking part is just locked in the second locking part of the storage card, and the second positioning sheet cooperates with the second blocking part to prevent the second locking part from moving inward to be unlocked.

10. The memory card receptacle of any one of claims 1-5, wherein, The card seat body (1) and the metal upper cover (2) are connected by a buckle structure (5), the buckle structure (5) comprises a card lug (52) arranged on the outer wall of the card seat body (1) and a card hole (51) arranged on the metal upper cover (2) at a position corresponding to the card lug (52), when the metal upper cover (2) is covered on the card seat body (1), the metal upper cover (2) is buckled with the card seat body (1).