CN108808367B - Card mounting structure and card - Google Patents

Abstract

The invention provides a card mounting structure and a card, comprising: a mounting table body; the slot is arranged on the mounting table body; the positioning mechanism comprises a first rotating arm and an elastic piece, the length of the first rotating arm can be changed, the first end of the first rotating arm is pivotably arranged on the mounting table body, the second end of the first rotating arm can swing along a preset track, the elastic piece is matched with the first rotating arm, the elastic piece applies elastic force to the second end of the first rotating arm in the direction deviating from the first end of the first rotating arm, the second end of the first rotating arm is provided with a positioning convex part, and the positioning convex part is matched with a card to be mounted. The technical scheme of the invention solves the problems of hard induction of the card pulling and inserting hand and poor structural reliability in the card testing equipment in the prior art.

Description

Card mounting structure and card

Technical Field

The invention relates to the technical field of card testing equipment, in particular to a card mounting structure and a card.

Background

In the prior art, two general card designs are available for card testing devices: one is that the card has no corresponding clamping structure, and the card is simply fixed by means of an additional fixing component after the card is inserted. The disadvantage of this design is that the added fixing assembly does not have a good simple fixing method and is cumbersome to insert and remove. Another is to design an elastomer, such as a spring, to directly bear against a corresponding structure on the card, such as a groove, when the card is inserted, which is better than the first, but has the disadvantage of being relatively stiff to insert and remove and relatively poor in reliability after long-term use.

Disclosure of Invention

The invention mainly aims to provide a card mounting structure and a card, which are used for solving the problems of hard induction of a card pulling and inserting hand and poor structural reliability in card testing equipment in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a card mounting structure comprising: a mounting table body; the slot is arranged on the mounting table body; the positioning mechanism comprises a first rotating arm and an elastic piece, the length of the first rotating arm can be changed, the first end of the first rotating arm is pivotably arranged on the mounting table body, the second end of the first rotating arm can swing along a preset track, the elastic piece is matched with the first rotating arm, the elastic piece applies elastic force to the second end of the first rotating arm in the direction deviating from the first end of the first rotating arm, the second end of the first rotating arm is provided with a positioning convex part, and the positioning convex part is matched with a card to be mounted.

Further, the first rotating arm comprises a first rod body and a second rod body, the first end of the first rod body is arranged on the mounting table body in a pivotable manner, the second end of the first rod body and the first end of the second rod body are arranged in a nested manner, the second end of the second rod body is a swinging end, the positioning convex part is arranged at the second end of the second rod body, and the elastic part is sleeved outside the first rod body and the second rod body.

Further, an accommodating hole is formed in the end face of the second end of the first rod body, and the first end of the second rod body is arranged in the accommodating hole in a penetrating mode.

Further, the mount body comprises a mounting transverse plate and supporting vertical plates arranged on two sides of the mounting transverse plate, the slot is arranged below the mounting transverse plate, the first rod body and the second rod body are arranged above the mounting transverse plate, the mounting transverse plate is provided with a first guide groove, and the positioning convex part is matched with a card to be mounted after passing through the first guide groove from top to bottom.

Further, the card mounting structure further comprises a first connecting shaft arranged on the mounting transverse plate, a first pivoting connecting portion is arranged at the first end of the first rod body, a first connecting hole is formed in the first pivoting connecting portion, the first connecting shaft penetrates through the first connecting hole, and the first end of the elastic piece is in butt joint with the first pivoting connecting portion.

Further, be provided with second pivot connecting portion on the second end of the second body of rod, be provided with the second connecting hole on the second pivot connecting portion, card mounting structure still includes the second connecting axle of connecting on the location convex part, and the second connecting axle wears to establish in the second connecting hole, and the second end and the second pivot connecting portion butt setting of elastic component.

Further, the card mounting structure further includes: the third connecting shafts are arranged on the mounting transverse plate, and the first connecting shafts and the third connecting shafts are respectively positioned on two opposite sides of the positioning convex part; the second rotating arm, the both ends of second rotating arm are provided with third connecting hole and fourth connecting hole respectively, and the third connecting axle wears to establish in the third connecting hole, and the second connecting axle wears to establish in the fourth connecting hole.

Further, the first guide groove is an arc groove, and the position of the circle center corresponding to the first guide groove coincides with the position of the central axis of the third connecting shaft.

Further, the mounting table body further comprises a cover plate which is covered on the mounting transverse plate, a second guide groove is formed in the cover plate, the second guide groove is arranged corresponding to the first guide groove, and the extending track of the second guide groove is identical to that of the first guide groove, wherein the second connecting shaft is arranged in the second guide groove in a penetrating mode.

Further, a fifth connecting hole and a sixth connecting hole are formed in the cover plate, the upper end of the first connecting shaft penetrates through the fifth connecting hole, and the upper end of the third connecting shaft penetrates through the sixth connecting hole.

Further, the lower surface of the mounting cross plate is provided with a limit structure.

Further, the lower surface of the mounting cross plate is provided with a position detecting mechanism.

According to another aspect of the present invention, there is provided a card, the card is mounted on the card mounting structure, the card includes a card body and a stop rib disposed on the card body, a notch is disposed on the stop rib, wherein a clamping groove is disposed at a bottom end of the positioning protrusion, the stop rib pushes the first rotating arm and swings the second end of the first rotating arm along a preset track during insertion of the card body into the slot, and when the positioning protrusion is aligned with the notch, a lower end of the positioning protrusion passes through the notch, and the stop rib is clamped into the clamping groove.

By applying the technical scheme of the invention, when the card to be installed is inserted into the slot, the positioning convex part is matched with the structures such as the bulge or the dent on the card, and the positioning of the position of the card is realized. Simultaneously, the elastic component provides the elastic force that has the extension trend to first arm to make when first arm provides the card and insert and extract the hindrance feel, thereby make the card pull out and insert the operation feel better. Further, compared with the elastic sheet in the prior art, the rotating arm structure is longer in service life and better in reliability. Therefore, the technical scheme of the invention solves the problems of hard induction of the card pulling and inserting hand and poor structural reliability in the card testing equipment in the prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

FIG. 1 shows an assembly schematic of an embodiment of a card mounting structure and card according to the invention;

FIG. 2 is a schematic view of the card mounting structure of FIG. 1 with the cover plate removed;

FIG. 3 shows a schematic cross-sectional view of A-A of FIG. 2;

FIG. 4 shows an enlarged schematic view at B in FIG. 3;

FIG. 5 shows a schematic view of the card mounting structure of FIG. 1 from a bottom perspective;

FIG. 6 is a schematic view showing the card of FIG. 1 inserted into a slot and the card slot not aligned with the notch;

FIG. 7 is a schematic view showing the card in FIG. 1 inserted into the slot, and the card continuing to move inward until contacting the limiting structure after the stop bead is snapped into the slot; and

Fig. 8 shows an enlarged schematic view at C in fig. 7.

Wherein the above figures include the following reference numerals:

10. A mounting table body; 11. a cross plate; 111. a first guide groove; 12. a supporting vertical plate; 13. a cover plate; 131. a second guide groove; 132. a fifth connection hole; 133. a sixth connection hole; 20. a slot; 30. a positioning mechanism; 31. a first rotating arm; 311. a first rod body; 3111. a receiving hole; 3112. a first pivot connection; 3113. a first connection hole; 312. a second rod body; 3121. a second pivot connection; 3122. a second connection hole; 32. an elastic member; 33. positioning convex parts; 331. a clamping groove; 40. a first connecting shaft; 50. a second connecting shaft; 60. a third connecting shaft; 70. a second rotating arm; 71. a third connection hole; 72. a fourth connection hole; 80. a limit structure; 90. a position detecting mechanism; 100. a card; 101. a card body; 102. stop the protruding rib; 103. and (5) a notch.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in fig. 1, 6 to 8, a card mounting structure of the present embodiment includes a mounting table body 10, a slot 20, and a positioning mechanism 30. Wherein the slot 20 is disposed on the mounting table body 10. The positioning mechanism 30 includes a first rotating arm 31 and an elastic member 32, and the first rotating arm 31 is configured to be changeable in length. A first end of the first rotary arm 31 is pivotably provided on the mount body 10, and a second end of the first rotary arm 31 is capable of swinging along a preset locus. The elastic member 32 is engaged with the first rotating arm 31, and the elastic member 32 applies an elastic force to the second end of the first rotating arm 31 in a direction away from the first end of the first rotating arm 31, the second end of the first rotating arm 31 being provided with a positioning protrusion 33, the positioning protrusion 33 being engaged with a card to be mounted.

By applying the technical scheme of the embodiment, when the card to be mounted is inserted into the slot 20, the positioning convex part 33 is matched with the structures such as the protrusion or the depression on the card, so as to position the card. Meanwhile, the elastic member 32 provides an elastic force with an elongation tendency to the first rotating arm 31, so that the first rotating arm 31 provides a blocking hand feeling of inserting and extracting the card when swinging, and the hand feeling of inserting and extracting operation of the card is better. Further, compared with the elastic sheet in the prior art, the rotating arm structure is longer in service life and better in reliability. Therefore, the technical scheme of the embodiment solves the problems of hard induction of the card pulling and inserting hand and poor structural reliability in the card testing equipment in the prior art.

As shown in fig. 1 and fig. 6 to 8, the present application further provides a card, and the card 100 is mounted on the card mounting structure. The specific structure of the card is as follows: the card 100 comprises a card body 101 and a stop convex rib 102 arranged on the card body 101, wherein a notch 103 is arranged on the stop convex rib 102. Wherein, the bottom end of the positioning protrusion 33 is provided with a clamping groove 331, and the card body 101 pushes the first rotating arm 31 and makes the second end of the first rotating arm 31 swing along a preset track in the process of being inserted into the slot 20. When the positioning convex part 33 is aligned with the notch 103, the lower end of the positioning convex part 33 passes through the notch 103, and the stop convex rib 102 is clamped into the clamping groove 331.

Referring to fig. 6 to 8, the following describes the process of engaging the first rotating arm 31 with the card 100 when the card 100 is inserted into the slot 20. First, as seen from fig. 6, the first swivel arm 31 is initially inclined toward the opening direction of the socket 20, and the first swivel arm 31 is in an extended state by the elastic member 32. After the card body 101 is inserted into the slot 20, the notch 103 and the positioning protrusion 33 are offset, so that the side edge of the stop rib 102 abuts against the side edge of the positioning protrusion 33. So that the second end of the first rotating arm 31 is driven to swing along the preset track when the card body 101 moves inwards. When the second end of the first rotating arm 31 swings along the preset track, the relative position of the positioning convex part 33 and the stop convex rib 102 changes until the positioning convex part 33 corresponds to the notch 103 during movement, the positioning convex part 33 is clamped into the notch 103, and meanwhile, the upper edge of the stop convex rib 102 is clamped into the clamping groove 331. Continuing to push the card body 101 inward, it can be seen from fig. 7 and 8 that the clamping groove 331 is always clamped above the stop rib 102, so as to prevent the card body 101 from coming out of the slot 20 without external force.

Further, in the above process, as the first rotating arm 31 is being swung, as can be seen in fig. 6 and 7, the first rotating arm 31 is first compressed, and the first rotating arm 31 is compressed to the shortest length when the first rotating arm 31 moves to be parallel with respect to the width side of the card body 101. As the first arm 31 continues to swing inwardly, the first arm 31 begins to release the elongation. In this process, the elastic member 32 affects the blocking feeling when the card body 101 is inserted, and the inward assisting feeling when the card body 101 is inserted further inward, so that the operation feeling of inserting the card body 101 is greatly improved.

Similarly, when the card body 101 is pulled out, the first rotating arm 31, the positioning protrusion 33, the clamping groove 331, the stop rib 102 and the notch 103 cooperate with each other, and the pulling hand feeling is similar to that of the above-mentioned inserting card body 101, which is not described herein.

As shown in fig. 2 to 4, in the technical solution of the present embodiment, the first rotating arm 31 includes a first rod 311 and a second rod 312, and a first end of the first rod 311 is pivotally disposed on the mounting table body 10. The second end of the first rod 311 is nested with the first end of the second rod 312, and the second end of the second rod 312 is a swinging end. The positioning protrusion 33 is disposed at the second end of the second rod 312, and the elastic member 32 is sleeved outside the first rod 311 and the second rod 312. Specifically, the nesting arrangement between the first lever 311 and the second lever 312 enables the first swivel arm 31 to be extended or shortened. Further, the second end of the second rod 312 is a swing end and can move along a predetermined trajectory.

As shown in fig. 4, in the present embodiment, a receiving hole 3111 is provided on an end surface of the second end of the first rod 311, and the first end of the second rod 312 is inserted into the receiving hole 3111. Specifically, the second lever 312 can move within the accommodating hole 3111, thereby enabling the length of the first rotating arm 31 to be lengthened or shortened. Further, the receiving hole 3111 may be provided at an end surface of the first end of the second rod 312.

As shown in fig. 2 to 4, in the technical solution of the present embodiment, the mounting table body 10 includes a mounting cross plate 11 and support risers 12 provided on both sides of the mounting cross plate 11. The slot 20 is arranged below the installation diaphragm 11, the first rod body 311 and the second rod body 312 are arranged above the installation diaphragm 11, the installation diaphragm 11 is provided with a first guide groove 111, and the positioning convex part 33 passes through the first guide groove 111 from top to bottom and then is matched with a card to be installed. Specifically, the first guide groove 111 is an arc groove, and the extending track of the first guide groove 111 is the predetermined track. The mounting cross plate 11 is a plate body structure extending in the transverse direction, and the support vertical plate 12 is a plate body structure extending in the vertical direction.

As shown in fig. 3 and 4, in the technical solution of the present embodiment, the card mounting structure further includes a first connection shaft 40 provided on the mounting cross plate 11. A first pivot connection portion 3112 is provided at a first end of the first lever 311, and a first connection hole 3113 is provided at the first pivot connection portion 3112. The first connecting shaft 40 is inserted into the first connecting hole 3113, and a first end of the elastic member 32 is disposed in abutment with the first pivot connection portion 3112. Specifically, the first pivot connection portion 3112 has a cylindrical structure, and the first connection hole 3113 penetrates both upper and lower end surfaces of the first pivot connection portion 3112. The above-described structure enables the second end of the first rod body 311 to swing along the central axis of the first connection shaft 40.

As shown in fig. 4, in the technical solution of the present embodiment, a second pivot connection portion 3121 is provided at a second end of the second rod 312, a second connection hole 3122 is provided at the second pivot connection portion 3121, the card mounting structure further includes a second connection shaft 50 connected to the positioning protrusion 33, the second connection shaft 50 is disposed in the second connection hole 3122 in a penetrating manner, and a second end of the elastic member 32 is disposed in abutment with the second pivot connection portion 3121. Specifically, similar to the first pivot connection 3112 described above, the second pivot connection 3121 is also cylindrical in structure. The second connection hole 3122 penetrates upper and lower end surfaces of the second pivot connection portion 3121.

As shown in fig. 2 to 4, in the technical solution of the present embodiment, the card mounting structure further includes a third connecting shaft 60 and a second rotating arm 70. Wherein the third connecting shaft 60 is provided on the mounting cross plate 11, and the first connecting shaft 40 and the third connecting shaft 60 are respectively located at opposite sides of the positioning protrusion 33. The second rotating arm 70 is provided with a third connecting hole 71 and a fourth connecting hole 72 at both ends thereof, the third connecting shaft 60 is inserted into the third connecting hole 71, and the second connecting shaft 50 is inserted into the fourth connecting hole 72. Specifically, the provision of the second swivel arm 70 makes the movement locus of the positioning boss 33 more stable.

Preferably, as shown in fig. 2, in this embodiment, the first guiding groove 111 is an arc-shaped groove, and the position of the center of the circle corresponding to the first guiding groove 111 coincides with the position of the central axis of the third connecting shaft 60. Specifically, since the length of the second swivel arm 70 is a fixed length, the position of the center of the circle corresponding to the first guide groove 111 needs to be set to coincide with the position of the central axis of the third connecting shaft 60. Thereby preventing the positioning boss 33 from being stuck in the first guide groove 111 when the second swivel arm 70 is in the swinging process.

As shown in fig. 1 to 4, in the technical solution of the present embodiment, the mounting table body 10 further includes a cover plate 13 that covers the mounting cross plate 11. The cover plate 13 is provided with a second guide groove 131, the second guide groove 131 is arranged corresponding to the first guide groove 111, and the extending track of the second guide groove 131 is identical to that of the first guide groove 111, wherein the second connecting shaft 50 is arranged in the second guide groove 131 in a penetrating manner. Specifically, the first guide groove 111 and the second guide groove 131 fix both ends of the second connection shaft 50, thereby ensuring stable running track of the positioning convex portion 33 at the bottom end and preventing deflection.

As shown in fig. 1 to 4, in the technical solution of the present embodiment, a fifth connecting hole 132 and a sixth connecting hole 133 are provided on the cover plate 13, the upper end of the first connecting shaft 40 is inserted into the fifth connecting hole 132, and the upper end of the third connecting shaft 60 is inserted into the sixth connecting hole 133.

As shown in fig. 5, in the technical solution of the present embodiment, a limiting structure 80 is provided on the lower surface of the mounting cross plate 11. Specifically, the limiting structure 80 is two positioning posts disposed opposite to each other. The positioning posts limit the depth of insertion of the card body 101.

As shown in fig. 5, in the technical solution of the present embodiment, the lower surface of the mounting cross plate 11 is provided with a position detecting mechanism 90. Specifically, the position detecting mechanism 90 is a travel switch. When the rear end of the card body 101 contacts the positioning column, the card body 101 contacts the travel switch at the same time, thereby transmitting a signal to the system and prompting the system that the card body 101 is in place.

Preferably, the card mounting structure in this embodiment is used for mounting a medical test card. Of course, the above-described structure may be adopted for other devices that require card insertion and removal operations.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A card mounting structure, comprising:

A mounting table body (10);

a slot (20) arranged on the mounting table body (10);

A positioning mechanism (30), the positioning mechanism (30) comprising a first rotating arm (31) and an elastic member (32), the first rotating arm (31) being configured to be variable in length, a first end of the first rotating arm (31) being pivotably provided on the mounting table body (10), a second end of the first rotating arm (31) being capable of swinging along a preset trajectory, the elastic member (32) being mated with the first rotating arm (31), and the elastic member (32) exerting an elastic force to the second end of the first rotating arm (31) in a direction away from the first end of the first rotating arm (31), the second end of the first rotating arm (31) being provided with a positioning protrusion (33), the positioning protrusion (33) being mated with a card to be mounted;

The first rotating arm (31) comprises a first rod body (311) and a second rod body (312), a first end of the first rod body (311) is pivotably arranged on the mounting table body (10), a second end of the first rod body (311) and a first end of the second rod body (312) are arranged in a nested manner, a second end of the second rod body (312) is a swinging end, the positioning convex part (33) is arranged on a second end of the second rod body (312), and the elastic piece (32) is sleeved outside the first rod body (311) and the second rod body (312);

an accommodating hole (3111) is formed in the end face of the second end of the first rod body (311), and the first end of the second rod body (312) is arranged in the accommodating hole (3111) in a penetrating mode;

The mounting table body (10) comprises a mounting transverse plate (11) and supporting vertical plates (12) arranged on two sides of the mounting transverse plate (11).

2. The card mounting structure according to claim 1, wherein the slot (20) is disposed below the mounting cross plate (11), the first rod body (311) and the second rod body (312) are disposed above the mounting cross plate (11), a first guide groove (111) is disposed on the mounting cross plate (11), and the positioning protruding portion (33) is matched with the card to be mounted after passing through the first guide groove (111) from top to bottom.

3. The card mounting structure according to claim 2, further comprising a first connecting shaft (40) provided on the mounting cross plate (11), a first pivot connecting portion (3112) is provided on a first end of the first rod body (311), a first connecting hole (3113) is provided on the first pivot connecting portion (3112), the first connecting shaft (40) is inserted into the first connecting hole (3113), and a first end of the elastic member (32) is disposed in abutment with the first pivot connecting portion (3112).

4. A card mounting structure according to claim 3, wherein a second pivot connection portion (3121) is provided at a second end of the second rod body (312), a second connection hole (3122) is provided at the second pivot connection portion (3121), the card mounting structure further comprises a second connection shaft (50) connected to the positioning protrusion (33), the second connection shaft (50) is inserted into the second connection hole (3122), and the second end of the elastic member (32) is disposed in abutment with the second pivot connection portion (3121).

5. The card mounting structure of claim 4, wherein the card mounting structure further comprises:

a third connecting shaft (60) provided on the mounting cross plate (11), and the first connecting shaft (40) and the third connecting shaft (60) are respectively located on opposite sides of the positioning convex portion (33);

The second rotating arm (70), both ends of second rotating arm (70) are provided with third connecting hole (71) and fourth connecting hole (72) respectively, third connecting axle (60) wear to establish in third connecting hole (71), second connecting axle (50) wear to establish in fourth connecting hole (72).

6. The card mounting structure according to claim 5, wherein the first guide groove (111) is an arc-shaped groove, and a position of a center of a circle corresponding to the first guide groove (111) coincides with a position of a central axis of the third connecting shaft (60).

7. The card mounting structure according to claim 5, wherein the mounting table body (10) further comprises a cover plate (13) covering the mounting cross plate (11), a second guide groove (131) is provided on the cover plate (13), the second guide groove (131) is provided corresponding to the first guide groove (111), and the extending track of the second guide groove (131) is identical to the extending track of the first guide groove (111), wherein the second connecting shaft (50) is inserted into the second guide groove (131).

8. The card mounting structure according to claim 7, wherein a fifth connecting hole (132) and a sixth connecting hole (133) are provided in the cover plate (13), an upper end of the first connecting shaft (40) is inserted into the fifth connecting hole (132), and an upper end of the third connecting shaft (60) is inserted into the sixth connecting hole (133).

9. A card mounting structure according to claim 2, characterized in that the lower surface of the mounting cross plate (11) is provided with a limit structure (80).

10. A card mounting structure according to claim 2, wherein a lower surface of the mounting cross plate (11) is provided with a position detecting mechanism (90).

11. A card, characterized in that the card (100) is mounted on the card mounting structure according to any one of claims 1 to 10, the card (100) comprises a card body (101) and a stop rib (102) arranged on the card body (101), a notch (103) is arranged on the stop rib (102),

Wherein, the bottom of location convex part (33) is provided with draw-in groove (331), card body (101) is inserting to the in-process of slot (20), backstop protruding muscle (102) promote first rotating arm (31) and make the second end of first rotating arm (31) follow predetermine the orbit swing, location convex part (33) with when breach (103) are aligned, the lower extreme of location convex part (33) is passed through breach (103), simultaneously backstop protruding muscle (102) card is gone into in draw-in groove (331).