Catheter hub assembly and electronic device

Abstract

The application discloses a card-to-card seat assembly and electronic equipment, and belongs to the technical field of electronic products. The card-to-card seat assembly comprises a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly, a card-to-card seat assembly,

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic products, in particular to a card holder and card seat assembly and an electronic device. BACKGROUND

[0002] The existing electronic device usually includes a detachable card holder and a card seat corresponding to the card holder. In order to avoid the card holder from being separated from the electronic device during use of the electronic device, the card seat usually includes a resilient arm which is embedded into a recess of the card holder after the card holder is inserted into the card seat to realize position locking of the card holder. Meanwhile, in order to ensure that the card holder can be smoothly inserted into the card seat, an empty area is usually provided on a side of the resilient arm opposite to the card holder. During the process of inserting the card holder into the card seat, the resilient arm deforms towards the empty area side, and when the card holder is completely inserted into the card seat, the resilient arm recovers deformation towards the card holder side to be embedded into the recess of the card holder. Since the empty area needs to be reserved for the resilient arm of the card seat when the card holder and the card seat are installed in the electronic device, the installation of the card holder and the card seat needs to occupy a large space in the electronic device. SUMMARY

[0003] The card holder and card seat assembly and the electronic device provided by the present application can solve the problem that the installation of the card holder and the card seat needs to occupy a large space in the electronic device.

[0004] In order to solve the above technical problems, the present application is implemented as follows:

[0005] In a first aspect, the present application provides a card holder and card seat assembly, comprising:

[0006] The card holder includes a body and an elastic assembly, the elastic assembly is connected with the body, and the elastic assembly includes a clamping portion outside the body;

[0007] The card seat includes a receiving groove, and a clamping position matched with the clamping portion is arranged on a groove wall of the receiving groove;

[0008] In a second aspect, the present application provides an electronic device comprising the card holder and card seat assembly of the first aspect.

[0009] In the embodiment of the present application, the clamping portion is formed on the outer side wall of the card holder, and the clamping site matched with the clamping portion is arranged on the card seat. Thus, in the process of inserting the card holder into the card seat, the clamping portion deforms towards the side of the groove wall opposite to the accommodating groove, so as to ensure that the card holder can be smoothly inserted into the accommodating groove. After the card holder is completely inserted into the accommodating groove, at least part of the clamping portion is embedded into the clamping site, so as to realize the position locking of the card holder and the card seat. Compared with the prior art, since it is not necessary to reserve a clearance area for the card seat in the electronic device, the space required for installing the card holder and card seat assembly in the electronic device can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is one of the structural schematic diagrams of the card holder and card seat assembly provided in the embodiment of the present application;

[0011] Figure 2 is Figure 1 is the partial enlarged view of A in FIG. 1;

[0012] Figure 3 is one of the structural schematic diagrams of the card holder in the embodiment of the present application;

[0013] Figure 4 is one of the structural schematic diagrams of the card seat in the embodiment of the present application;

[0014] Figure 5 is Figure 4 is the partial enlarged view of B in FIG. 1;

[0015] Figure 6 is the structural schematic diagram of the elastic assembly in the embodiment of the present application;

[0016] Figure 7 is the second structural schematic diagram of the card holder and card seat assembly provided in the embodiment of the present application;

[0017] Figure 8 is the second structural schematic diagram of the card holder in the embodiment of the present application;

[0018] Figure 9 is Figure 8 is the partial enlarged view of C in FIG. 1;

[0019] Figure 10 is the second structural schematic diagram of the card seat in the embodiment of the present application;

[0020] Figure 11 is Figure 10 is the partial enlarged view of D in FIG. 1;

[0021] Figure 12 is the third structural schematic diagram of the card holder and card seat assembly provided in the embodiment of the present application;

[0022] Figure 13 is Figure 12A local enlarged view at E;

[0023] Figure 14 is a structural schematic diagram of the elastic arm in the embodiment of the present application;

[0024] Figure 15 is a state schematic diagram of the clamping portion moving from the guide portion to the second protrusion, and moving from the second protrusion to the clamping position in the embodiment of the present application;

[0025] Figure 16 is a variation schematic diagram of the insertion force required by the card holder during the process of inserting the card holder into the accommodation groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0027] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a category, and are not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0028] The card holder and card seat assembly and electronic device provided by the embodiments of the present application will be described in detail below in conjunction with the drawings and specific embodiments and their application scenarios.

[0029] Please refer to Figures 1 to 16 is a structural schematic diagram of a card holder and card seat assembly provided by the embodiments of the present application, which comprises:

[0030] The card holder 100 comprises a body and an elastic assembly 102, the elastic assembly 102 is connected with the body, and the elastic assembly 102 comprises a clamping portion 101 located outside the body;

[0031] The card seat 200 comprises an accommodation groove, and the groove wall of the accommodation groove is provided with a clamping position 201 matched with the clamping portion 101;

[0032] At least part of the clamping portion 101 is embedded into the clamping position 201 when the card holder 100 is accommodated in the accommodation groove.

[0033] The card holder socket assembly can be used to carry various cards commonly used in electronic devices, such as SIM cards or TF cards.

[0034] Since the existing card holder 100 generally includes a base and a terminal embedded in the base, an installation cavity can be arranged inside the base, and the elastic assembly 102 can be installed in the installation cavity. In this way, the installation of the elastic assembly 102 can be achieved without increasing the size of the card holder 100.

[0035] It can be understood that when the card holder socket assembly is installed in an electronic device, the socket 200 can be fixedly installed inside the electronic device, and the card holder 100 can be detachably connected to the electronic device through the socket 200, and the card holder 100 is used to carry cards. The other structures of the card holder 100 and the socket 200 are similar to those of the prior art, and are not limited here.

[0036] The clamping position 201 can include a clamping groove or a clamping hole. When the card holder 100 is fully inserted into the accommodation groove, the clamping portion 101 of the elastic assembly 102 can be embedded into the clamping position 201 under the elastic force of the elastic assembly 102 itself, so as to realize the relative locking of the positions of the card holder 100 and the socket 200.

[0037] It can be understood that the card holder socket assembly can further include an unlocking structure. When the card holder socket assembly is installed in an electronic device, the unlocking structure can be used to separate the card holder 100 and the socket 200. For example, referring to Figure 4 In an embodiment of the present application, the unlocking structure includes a sliding rod 207 and a rotating rod 205. The rotating rod 205 is rotationally connected to the socket 200 through a rotating shaft 206, and a first end of the rotating rod 205 is located at the bottom of the accommodation groove. A second end of the rotating rod 205 is rotationally connected to the sliding rod 207. In this way, when the card holder socket assembly is installed in an electronic device, the sliding rod 207 can be pushed by a card needle to slide towards the bottom of the accommodation groove. The sliding rod 207 can drive the rotating rod 205 to rotate counterclockwise around the rotating shaft 206. The first end of the sliding rod 207 moves towards the opening end of the socket 200, thereby pushing the card holder 100 to extend from the opening end of the socket 200.

[0038] In this embodiment, the card connector 101 is formed on the outer wall of the card holder 100, and the card connector 101 is matched with the card connector position 201 on the card seat 200. During the process of inserting the card holder 100 into the card seat 200, the card connector 101 is deformed towards the side of the slot wall opposite to the accommodation slot, so as to ensure that the card holder 100 can be smoothly inserted into the accommodation slot. After the card holder 100 is completely inserted into the accommodation slot, at least part of the card connector 101 is embedded into the card connector position 201, so as to realize the position locking of the card holder 100 and the card seat 200. Compared with the prior art, since there is no need to reserve a clearance for the card seat 200 in the electronic device, the space required for installing the card holder and the card seat assembly in the electronic device can be reduced.

[0039] Please refer to Figures 7 to 15 In an embodiment, the elastic assembly 102 includes an elastic arm 1024, which is located between the side wall of the body and the slot wall of the accommodation slot, and is connected with the body. The elastic arm 1024 has a gap with the body. The elastic arm 1024 is provided with a first protrusion 1025 on the side close to the card seat, and the first protrusion 1025 forms the card connector 101.

[0040] When the card holder 100 is accommodated in the accommodation slot, the first protrusion 1025 is embedded into the card connector position 201.

[0041] Please refer to Figure 14 The elastic assembly 102 can include a connecting plate 1026 and two elastic arms 1024. The connecting plate 1026 and the two elastic arms 1024 jointly form a U-shaped structure, and the elastic arms 1024 are folded relative to the connecting plate 1026. Thus, the two elastic arms 1024 and the connecting plate 1026 jointly enclose a slot-shaped mounting space, and the body can be mounted in the slot-shaped mounting space, and the elastic arms 1024 have a gap with the body.

[0042] The first protrusion 1025 can be provided on the side of the elastic arm 1024 opposite to the body. Thus, during the process of inserting the card holder 100 into the accommodation slot, the slot wall of the accommodation slot extrudes the first protrusion 1025, so that the two elastic arms 1024 are respectively deformed towards the side of the body. When the card holder 100 is completely inserted into the accommodation slot, the elastic arm 1024 is deformed towards the side of the slot wall of the accommodation slot, so that the first protrusion 1025 is embedded into the corresponding card connector position 201.

[0043] Optionally, the card holder 200 comprises an open end, the card tray 100 can be inserted into or extracted from the receiving slot through the open end, the first protrusion 1025 comprises a first guide slope 10251 and a second guide slope 10252;

[0044] In the case that the card tray 100 is received in the receiving slot, the first guide slope 10251 is located at one side of the first protrusion 1025 close to the open end, and the second guide slope 10252 is located at one side of the first protrusion 1025 away from the open end.

[0045] In this embodiment, by arranging the first guide slope 10251 on the first protrusion 1025, in the process of embedding the first protrusion 1025 into the card connecting position 201, the first protrusion 1025 can slide into the card connecting position 201 along the first guide slope 10251, thereby avoiding the problem of collision between the first protrusion 1025 and the card connecting position 201 in the process of embedding the first protrusion 1025 into the card connecting position 201. Meanwhile, in the process of separating the card tray 100 from the card holder 200, the first protrusion 1025 can slide out of the card connecting position 201 along the first guide slope 10251, so that the problem of poor separation of the first protrusion 1025 from the card connecting position 201 can be avoided. In addition, by arranging the second guide slope 10252 on the first protrusion 1025, the resistance in the process of inserting the card tray 100 into the card holder 200 can be reduced.

[0046] Optionally, the card connecting position 201 comprises a recess and a second protrusion 203 arranged on the slot wall of the receiving slot, the second protrusion 203 is located between the recess and the open end of the card holder 200 and is arranged close to the recess;

[0047] In the case that the card tray 100 is received in the receiving slot, the first protrusion 1025 is embedded in the recess and abuts against the second protrusion 203.

[0048] Please refer to Figure 15 Since the second protrusion 203 is arranged between the card connecting position 201 and the open end of the card holder 200, in the process of inserting the card tray 100 into the receiving slot, the first protrusion 1025 needs to pass through the second protrusion 203 first and then be embedded in the card connecting position 201. Based on this, by arranging the first protrusion 1025 to comprise the second guide slope 10252, in the process of inserting the card tray 100 into the receiving slot, when the first protrusion 1025 moves to the second protrusion 203, the first protrusion 1025 can move onto the second protrusion 203 along the second guide slope 10252.

[0049] Please refer to Figure 16A schematic diagram illustrating the change in the insertion force required for the card holder 100 during insertion into the receiving slot. Figure 16 It can be seen that before the first protrusion 1025 moves to the second protrusion 203, the insertion force is relatively uniform. After the first protrusion 1025 moves to the second protrusion 203, as the first protrusion 1025 climbs to the top of the second protrusion 203 via the second guide ramp 10252, the insertion force gradually increases. When the first protrusion 1025 climbs to the top of the second protrusion 203, the insertion force reaches its peak value. Subsequently, the first protrusion 1025 slides down the second protrusion 203 via the first guide ramp 10251. During this process, the insertion force gradually decreases to a negative value. When the insertion force reaches a negative value, the card holder 100 is automatically sucked into the receiving groove, giving the user a sucking sensation, thereby improving the feel of the card holder 100 during insertion into the receiving groove.

[0050] Please see Figure 15 The cross-section of the second protrusion 203 can be curved, which can avoid the problem of the first protrusion 1025 getting stuck when climbing the second protrusion 203.

[0051] In this embodiment, by providing a second protrusion 203 protruding towards the inside of the receiving groove on the groove wall, after the user inserts the card tray 100 into the receiving groove and the first protrusion 1025 rises to the second protrusion 203, the card tray 100 will be automatically sucked into the receiving groove, giving the user a sucking sensation, thereby improving the feel of inserting the card tray 100 into the receiving groove.

[0052] Optionally, a first angle is formed between the first guide slope 10251 and the elastic arm 1024, and a second angle is formed between the second guide slope 10252 and the elastic arm 1024, wherein the first angle is greater than the second angle.

[0053] Specifically, the first included angle and the second included angle are both less than 90°. In one embodiment of this disclosure, the value range of the first included angle can be 50° to 75°, and the value range of the second included angle can be 20° to 45°.

[0054] In the embodiment, since the second included angle has a relatively small value, the insertion increases slowly during the process that the first protrusion 1025 climbs the second protrusion 203, and after the insertion force reaches the peak value, the insertion force suddenly drops to a negative force due to the relatively large value of the first included angle, thereby generating a suction feeling. In addition, after the card holder 100 is inserted into the accommodation slot, since the first included angle has a relatively large value, a large pushing force needs to be applied to the card holder 100 to separate the first protrusion 1025 from the clamping position 201. In this way, the problem that the card holder 100 is separated from the electronic device when the electronic device collides can be avoided, for example, the problem that the card holder 100 is separated from the electronic device when the electronic device falls can be prevented.

[0055] Optionally, the card seat 200 includes a support bottom plate 210 and a first extension plate 220 extending from one side of the support bottom plate 210, and the first extension plate 220 is folded relative to the support bottom plate 210 to form a slot wall of the accommodation slot.

[0056] The clamping position 201 and the second protrusion 203 are respectively located on the first extension plate 220, and one end of the first extension plate 220 close to the opening end is bent towards a side opposite to the accommodation slot to form a guide portion 204.

[0057] Please refer to Figure 15 By forming the guide portion 204 at one end of the first extension plate 220 close to the opening end, when the first protrusion 1025 of the card holder 100 slides to the first extension plate 220, it can slide along the guide portion 204 to the first extension plate 220, thereby avoiding the problem that the one end of the first extension plate 220 close to the opening end of the card seat 200 blocks the insertion of the card holder 100 into the accommodation slot.

[0058] Optionally, please refer to Figures 1 to 6 In another embodiment of the present application, the body is provided with a mounting cavity, the elastic assembly 102 is accommodated in the mounting cavity, the mounting cavity is located on a side of the body away from the opening end of the card seat, and part of the elastic assembly 102 extends out of the outer side wall of the body to form the clamping portion.

[0059] It can be understood that the clamping portion 101 can be extended out of the body, and the clamping portion 101 can also be completely accommodated in the mounting cavity. Specifically, during the process of inserting the card holder 100 into the accommodation groove, the clamping portion 101 can be accommodated in the mounting cavity due to the extrusion of the groove wall of the accommodation groove, and when the card holder 100 is completely inserted into the accommodation groove, the elastic clamping portion can be extended out of the body under the action of the elastic force of the elastic assembly 102 itself, so that the clamping portion 101 is embedded in the clamping position 201, thereby realizing the position locking between the card holder 100 and the card seat 200.

[0060] In this embodiment, by providing a mounting cavity in the body and arranging the elastic assembly 102 in the mounting cavity, the installation of the elastic assembly 102 can be realized without increasing the size of the existing card holder 100, thereby facilitating further reduction of the space required when the card holder and card seat assembly is installed in an electronic device.

[0061] Optionally, the elastic assembly 102 includes an elastic member 1021 and a ball 1022, and the elastic member 1021 and the ball 1022 are arranged in the mounting cavity, respectively.

[0062] At least one side of the elastic member is provided with the ball 1022, and the side wall opposite to the card seat 200 of the body is provided with an opening communicating with the mounting cavity, the diameter of the opening is smaller than the diameter of the ball 1022, and the elastic member 1021 is in an elastic compression state to push part of the ball 1022 to extend out of the opening to form the clamping portion 101.

[0063] It can be understood that the elastic member 1021 can be a common elastic member 1021 in the prior art, for example, it can be a spring, an elastic arm or a compression spring, etc. Hereinafter, the card holder and card seat assembly provided by the embodiment of the application is further explained and described by taking the elastic member 1021 as a strip-shaped spring as an example.

[0064] Specifically, please refer to Figure 3 When the elastic member 1021 is a strip-shaped spring, the mounting cavity can be a strip-shaped mounting cavity, wherein the strip-shaped mounting cavity can be formed by a strip-shaped groove and a cover plate, and the cover plate covers the groove opening of the strip-shaped groove to form the strip-shaped mounting cavity. The strip-shaped spring is arranged in the strip-shaped mounting cavity along the length direction of the strip-shaped mounting cavity, so that the strip-shaped spring can be extended and retracted along the length direction of the strip-shaped mounting cavity to push part of the ball 1022 to extend out of the opening of the mounting cavity. In addition, please refer to 6, the ball 1022 can also be arranged on both sides of the elastic member 1021, respectively.

[0065] The ball 1022 can move along the length direction of the strip-shaped installation cavity, i.e. the inner diameter of the strip-shaped installation cavity is greater than or equal to the diameter of the ball 1022. Meanwhile, the diameter of the opening of the installation cavity is smaller than the diameter of the ball 1022, so that the ball 1022 can be prevented from completely separating from the strip-shaped installation cavity under the pushing of the strip-shaped spring.

[0066] In addition, the ball 1022 can abut against the first end of the elastic member 1021, i.e. the ball 1022 is not fixedly connected with the elastic member 1021, so that the ball 1022 can roll relative to the groove wall of the accommodation groove during the insertion of the card holder 100 into the accommodation groove, thereby reducing the friction between the ball 1022 and the groove wall of the accommodation groove, and reducing the frictional resistance during the insertion of the card holder 100 into the card seat 200, so as to facilitate the user to insert the card holder 100 into the card seat 200.

[0067] It can be understood that when the elastic member 1021 is provided with the ball 1022 on both sides, the balls 1022 on both sides of the elastic member 1021 form the clamping portions 101, in which case the first clamping position can be provided on the first groove wall of the accommodation groove, and the second clamping position can be provided on the second groove wall of the accommodation groove, and the first groove wall and the second groove wall are two opposite groove walls of the accommodation groove. When the card holder 100 is completely inserted into the accommodation groove, the balls 1022 on both sides of the elastic member 1021 are respectively embedded in the first clamping position and the second clamping position, so as to lock the two opposite sides of the card holder 100, thereby improving the locking effect of the card holder 100.

[0068] In this embodiment, by providing the elastic assembly 102 with the elastic member 1021 and the ball 1022, during the insertion of the card holder 100 into the accommodation groove, the groove wall of the accommodation groove can push the ball 1022 to retract, and the ball 1022 can roll relative to the groove wall of the accommodation groove, thereby ensuring that the card holder 100 can be smoothly inserted into the accommodation groove. When the card holder 100 is completely inserted into the accommodation groove, the elastic member 1021 can push the ball 1022 to extend out of the installation cavity, so that at least part of the ball 1022 is embedded in the clamping position 201, thereby locking the relative position between the card holder 100 and the card seat 200.

[0069] Optionally, the groove wall of the accommodation groove is provided with a boss 202 protruding towards the inner side of the accommodation groove, and the boss 202 is provided with a clamping hole to form the clamping position 201.

[0070] The clamping hole is formed in the clamping position 201. When the clamping part 101 is inserted into the receiving slot, the distance between the clamping position 201 and the clamping part 101 is reduced by arranging the clamping hole in the boss 202, because the distance between the boss 202 and the side wall of the clamping part 101 is smaller than the distance between the side wall of the clamping part 101 and the slot wall of the receiving slot. In this way, the clamping part 101 only needs to extend outward by a small distance to be inserted into the clamping hole, thereby ensuring that the clamping part 101 can be smoothly inserted into the clamping position 201.

[0071] In this embodiment, the distance between the clamping position 201 and the clamping part 101 is reduced by arranging the clamping hole in the boss 202, because the distance between the boss 202 and the side wall of the clamping part 101 is smaller than the distance between the side wall of the clamping part 101 and the slot wall of the receiving slot. In this way, the clamping part 101 only needs to extend outward by a small distance to be inserted into the clamping hole, thereby ensuring that the clamping part 101 can be smoothly inserted into the clamping position 201.

[0072] Optionally, the side wall of the boss 202 is curved.

[0073] In this embodiment, the side wall of the boss 202 is curved, so that when the clamping part 101 is inserted into the receiving slot, the ball in the elastic assembly 102 can smoothly roll onto the boss 202 along the curved side wall of the boss 202 and then be inserted into the clamping position 201. In this way, the problem of jamming caused by the sharp angle between the end face and the side wall of the boss 202 can be avoided.

[0074] Another embodiment of the present application provides an electronic device, which comprises the clamping part and the clamping seat assembly in the above embodiments.

[0075] In this embodiment, the electronic device comprises the clamping part and the clamping seat assembly in the above embodiments, so that the electronic device can achieve all the beneficial effects of the clamping part 101 and the clamping seat 200 in the above embodiments. To avoid repetition, the details are not described here.

[0076] It should be noted that, in the present document, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, it is to be understood that the method and apparatus of the present application can be carried out by someone other than the person named in the independent claims, and that the scope of the independent claims is not limited to the person named in the independent claims. In addition, it should be noted that the scope of the method and apparatus of the present application is not limited to performing the functions in the order shown or discussed, but can also include performing the functions in a substantially simultaneous manner or in a reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, features described with reference to certain examples can be combined in other examples.

[0077] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the specific embodiments described above, which are merely illustrative and not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims.

Claims

1. A card tray / slot assembly, characterized in that, The application relates to a card holder and a card seat. The card holder comprises a body and an elastic assembly, the elastic assembly is connected with the body, and the elastic assembly comprises a clamping part outside the body. The card seat comprises a receiving groove, the groove wall of the receiving groove is provided with a clamping position matched with the clamping part, the elastic assembly comprises an elastic arm between the side wall of the body and the groove wall of the receiving groove, the elastic arm is connected with the body, and a gap is formed between the elastic arm and the body. The side of the elastic arm close to the card seat is provided with a first protrusion, the first protrusion forms the clamping part, the card seat comprises an opening end, the card holder can be inserted into or out of the receiving groove through the opening end, the first protrusion comprises a first guide inclined surface and a second guide inclined surface. The clamping position comprises a recess position arranged on the groove wall of the receiving groove and a second protrusion, the second protrusion is arranged between the recess position and the opening end of the card seat and close to the recess position.

2. The card-retractor assembly of claim 1, wherein, In the case that the card holder is received in the receiving groove, the first protrusion is embedded in the recess position, the first guide inclined surface is arranged on the side of the first protrusion close to the opening end, and the second guide inclined surface is arranged on the side of the first protrusion away from the opening end.

3. The card-retractor assembly of claim 1, wherein, In the case that the card holder is received in the receiving groove, the first protrusion abuts against the second protrusion.

4. The card-retractor assembly of claim 2, wherein, A first included angle is formed between the first guide inclined surface and the elastic arm, and a second included angle is formed between the second guide inclined surface and the elastic arm, the first included angle is larger than the second included angle. The card seat comprises a supporting bottom plate and a first extension plate extending from one side of the supporting bottom plate, the first extension plate is folded relative to the supporting bottom plate to form the groove wall of the receiving groove.

5. The card-retractor assembly of claim 1, wherein, The recess position and the second protrusion are arranged on the first extension plate, and one end of the first extension plate close to the opening end is bent towards the side away from the receiving groove to form a guide part.

6. The card-retractor assembly of claim 5, wherein, The body is provided with a mounting cavity, the mounting cavity is arranged on the side of the body away from the opening end of the card seat, the elastic assembly is accommodated in the mounting cavity, and part of the elastic assembly extends out of the outer wall of the body to form the clamping part. The elastic assembly comprises an elastic piece and a ball, the elastic piece and the ball are arranged in the mounting cavity.

7. The card-retractor assembly of claim 6, wherein, At least one side of the elastic piece is provided with the ball, the side wall of the body opposite to the card seat is provided with an opening communicating with the mounting cavity, the diameter of the opening is smaller than the diameter of the ball, and the elastic piece is in an elastic compression state to push part of the ball to extend out of the opening to form the clamping part.

8. The card-retractor assembly of claim 7, wherein, The groove wall of the receiving groove is provided with a boss protruding towards the inner side of the receiving groove, the boss is provided with a clamping hole to form the clamping position.

9. The card-retractor assembly of claim 5 wherein, The side wall of the boss is curved.

10. An electronic device, comprising: The body is provided with a strip-shaped groove, at least one end of the strip-shaped groove extends to the outer wall of the body, and a cover plate is connected to the groove opening of the strip-shaped groove, and the strip-shaped groove and the cover plate form the mounting cavity. The application further discloses a card holder and card seat assembly comprising the card holder and the card seat.

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