Fixed base and card holder

Abstract

This utility model relates to the technical field of office supplies, and discloses a fixed base and a card holder. The fixed base includes a base and a limiting plate. The base includes a bottom plate and a peripheral wall plate. The bottom plate has an axis and is used to connect the frame and external equipment. The peripheral wall plate is connected to the bottom plate and is arranged around the axis on the bottom plate. The peripheral wall plate and the bottom plate together define a receiving cavity for fixing the frame. The limiting plate is connected to the base and extends towards the axis to cover at least part of the receiving cavity along the direction of the axis. The fixed base of this utility model can improve the placement stability of the frame and reduce the possibility of the frame tipping over. The card holder with the above-mentioned fixed base also has the above-mentioned advantages.

Description

Technical Field

[0001] This utility model relates to the technical field of office supplies, and in particular to a fixed base and card holder. Background Technology

[0002] In related technologies, the card holder frame includes a support section and a connecting section. The support section is used to place and secure target items such as cards, while the connecting section is used to connect to external devices such as desktops to allow the frame to stand upright. However, in existing card holders, the support section and connecting section have similar weights. This makes the frame prone to tipping over, resulting in poor stability. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a fixed base that can improve the placement stability of the frame and reduce the possibility of the frame tipping over.

[0004] This utility model also proposes a card holder with the aforementioned fixed base.

[0005] The fixed base according to the first aspect of the present invention includes a base and a limiting plate.

[0006] The base includes a bottom plate and a peripheral wall plate. The bottom plate has an axis and is used to connect the frame and external equipment. The peripheral wall plate is connected to the bottom plate and is disposed around the axis. The peripheral wall plate and the bottom plate together define a receiving cavity for fixing the frame. A limiting plate is connected to the base and extends toward the axis to cover at least part of the receiving cavity along the direction of the axis.

[0007] The fixed base according to the embodiments of this utility model has at least the following beneficial effects: The accommodating cavity is defined by the base plate and the peripheral wall plate, allowing the card holder frame to be installed within the accommodating cavity for assembly when connected to the fixed base, thereby increasing the bottom weight of the frame and reducing the likelihood of it tipping over. Furthermore, the limiting plate extends towards the axis to partially cover the accommodating cavity, ensuring that after the frame is installed in the cavity, the limiting plate will limit the frame at the installation opening of the fixed base, thus preventing the frame and fixed base from tipping over and separating.

[0008] According to some embodiments of the present invention, the limiting plate includes an extension and a limiting structure, the extension and the limiting structure are disposed in the accommodating cavity, the extension is connected to the base plate, the limiting structure is connected to the end of the extension away from the base plate, and the limiting structure extends toward the axis to cover at least part of the accommodating cavity.

[0009] According to some embodiments of the present invention, the limiting plate is connected to the peripheral wall plate, the limiting plate is spaced apart from the bottom plate, and the limiting plate extends toward the axis to cover at least part of the receiving cavity.

[0010] According to some embodiments of the present invention, the fixed base has a plurality of spaced mounting ports, the plurality of mounting ports are arranged around the axis on the limiting plate, the plurality of mounting ports are connected to the limiting plate along the setting direction of the axis to communicate with the receiving cavity, and the plurality of mounting ports separate the limiting plate to form a plurality of limiting parts.

[0011] According to some embodiments of the present invention, the fixed base further includes a connecting rib plate, one end of which is connected to the base plate and the other end of which is connected to the peripheral wall plate. The connecting rib plate and the limiting part are spaced apart along the setting direction of the axis. The connecting rib plate and the limiting part together define a fixing groove, and the fixing groove communicates with the receiving cavity.

[0012] According to some embodiments of the present invention, the limiting part has a first curved structure on the side facing the connecting rib plate, and the connecting rib plate has a second curved structure on the side facing the limiting part. The first curved structure and the second curved structure together define the fixing groove along the setting direction of the axis.

[0013] According to some embodiments of the present invention, the connecting rib plate has a plurality of spaced fixing parts, the plurality of fixing parts are connected to the base plate around the axis, the plurality of fixing parts and the plurality of limiting parts are arranged sequentially around the axis, and the plurality of fixing parts and the plurality of mounting holes correspond to each other along the setting direction of the axis.

[0014] According to some embodiments of the present invention, the fixed base also has multiple disassembly ports, which are arranged around the axis on the base plate. The disassembly ports are connected to the base plate along the direction of the axis to communicate with the receiving cavity. The multiple disassembly ports correspond to the multiple limiting portions along the direction of the axis.

[0015] According to some embodiments of the present invention, the base plate has a first side and a second side arranged opposite to each other along the direction of the axis. The first side is used to connect the frame, and the second side is used to connect external equipment. The peripheral wall plate has an outer periphery, and there is a gap between the outer periphery and the axis. The gap decreases along the direction from the second side toward the first side.

[0016] According to a second aspect embodiment of the present invention, a card holder includes a frame and a fixed base as described in any of the above embodiments. The frame includes a connecting portion and a supporting portion, the connecting portion being connected to the fixed base and the peripheral wall plate and disposed in the receiving cavity, and the supporting portion being used to support the target component.

[0017] The card holder according to the present utility model embodiment has at least the following beneficial effects: the connection part of the frame body is connected by the base plate and the peripheral wall plate, so that the fixed base can counterweight the connection part to increase the weight of the connection part, thereby reducing the possibility of the frame body tipping over and improving the placement stability of the frame body.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0020] Figure 1 This is a schematic diagram of the fixed base in an embodiment of this utility model;

[0021] Figure 2 This is a schematic diagram of the fixed base in an embodiment of this utility model;

[0022] Figure 3 This is a schematic diagram of the fixed base in an embodiment of this utility model;

[0023] Figure 4 This is a schematic diagram of the fixed base in an embodiment of this utility model;

[0024] Figure 5 This is a schematic diagram of the fixed base in an embodiment of this utility model;

[0025] Figure 6 As an embodiment of this utility model Figure 5 Enlarged view of point A;

[0026] Figure 7 This is a side view of the fixed base in an embodiment of this utility model;

[0027] Figure 8 As an embodiment of this utility model Figure 7 Sectional view at BB;

[0028] Figure 9 This is a bottom view of the fixed base in an embodiment of the present invention;

[0029] Figure 10 This is a schematic diagram of the card holder in an embodiment of the present utility model;

[0030] Figure 11 This is a schematic diagram of the bending structure of the connecting part in an embodiment of the present invention, wherein O, C1, C2, D1, D2 and E are points on the bending structure.

[0031] Figure label:

[0032] Card holder 10;

[0033] Fixed base 100; base 101; bottom plate 110; first side 111; second side 112; peripheral wall plate 120; accommodating cavity 121; outer periphery 122; limiting plate 130; limiting part 131; first curved structure 1311; extension part 132; limiting structure 133; through hole 134; mounting port 140; connecting rib plate 150; fixing groove 151; fixing part 152; second curved structure 1521; disassembly port 160; axis X; interval distance H;

[0034] Frame 200; Connecting part 210; Bending structure 211; Bearing part 220; First length L1; Second length L2; Axis O. Detailed Implementation

[0035] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0036] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0038] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0039] In the description of this utility model, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0040] The fixing base of the first aspect embodiment and the card holder of the second aspect embodiment of the present invention will now be described with reference to the accompanying drawings. It should be noted that, for ease of description and understanding, the vertical direction is used as the axis of the arrangement in the accompanying drawings.

[0041] The first aspect of this utility model provides a fixed base 100 for connecting a frame 200, see reference. Figure 1 and Figure 2 As shown, the fixed base 100 includes a base 101 and a limiting plate 130. The base 101 includes a bottom plate 110 and a peripheral wall plate 120. The bottom plate 110 has an axis X, and one side of the bottom plate 110 is used to connect to the frame 200, while the other side is used to connect to external equipment. External equipment can be mounting platforms such as tables or car dashboards.

[0042] The peripheral wall plate 120 is connected to the base plate 110 and is disposed on the base plate 110 around axis X, that is, the peripheral wall plate 120 is arranged in a circle around axis X on the base plate 110. The peripheral wall plate 120 can be connected to the upper wall surface of the base plate 110 or to the side wall of the base plate 110. The peripheral wall plate 120 and the base plate 110 together define a receiving cavity 121, which is used to fix the frame 200. After the frame 200 and the fixed base 100 are assembled and fixed, at least part of the frame 200 will be received in the receiving cavity 121 for fixed installation. See reference. Figure 1 and Figure 2 As shown, the accommodating cavity 121 can be located either above or below the base plate 110. The limiting plate 130 is connected to the base plate 110 or the peripheral wall plate 120.

[0043] In some embodiments, see Figure 3As shown, the limiting plate 130 is connected to the base plate 110, and the limiting plate 130 and the peripheral wall plate 120 are spaced apart. Specifically, the limiting plate 130 includes an extension 132 and a limiting structure 133, both of which are disposed in the receiving cavity 121. One end of the extension 132 is connected to the base plate 110, and the other end is connected to the limiting structure 133. The limiting structure 133 extends toward the axis X to form a snap-fit ​​structure. After extending, the limiting structure 133 partially blocks the receiving cavity 121 in the vertical direction, so that when the frame 200 is placed in the receiving cavity 121, the frame 200 is located between the limiting structure 133 and the base plate 110, thereby limiting and fixing the frame 200 with the limiting structure 133 to prevent the frame 200 from falling out of the receiving cavity 121. In other embodiments, the limiting structure 133, in addition to forming a snap-fit ​​structure, can also be configured as a screw connection position, so that the fixing base 100 can be connected to the limiting structure 133 by screws to clamp the frame 200 between the screws and the extension 132, thereby achieving the connection and fixation of the frame 200. In another embodiment, see... Figure 1 and Figure 4 As shown, the limiting plate 130 is connected to the peripheral wall plate 120. The position of the limiting plate 130 connected to the peripheral wall plate 120 can be the side of the peripheral wall plate 120 away from the base plate 110 in the vertical direction, i.e., the upper side of the peripheral wall plate 120, or the side of the peripheral wall plate 120 facing the axis X, i.e., the inner side of the peripheral wall plate 120. The limiting plate 130 and the base plate 110 are spaced apart in the vertical direction. After the limiting plate 130 is connected to the peripheral wall plate 120, the limiting plate 130 will extend towards the axis X, thereby partially blocking the receiving cavity 121 in the vertical direction to reduce the upper opening of the fixed base 100.

[0044] Specifically, the limiting plate 130 can partially block the receiving cavity 121 in the vertical direction, so that the middle part of the receiving cavity 121 is unblocked, such as... Figure 1 and Figure 2 As shown. The limiting plate 130 can also completely cover the receiving cavity 121 in the vertical direction, such as... Figure 4As shown, in this embodiment, the limiting plate 130 covers the bottom plate 110 and the peripheral wall plate 120, and the limiting plate 130 covers the receiving cavity 121. At this time, the bottom of the frame 200 is jointly surrounded by the bottom plate 110, the peripheral wall plate 120, and the limiting plate 130. The limiting plate 130 is provided with a through hole 134 communicating with the receiving cavity 121. The through hole 134 is used to pass through the frame 200, so that the component (carrying part 220) on the frame 200 used to support and place cards can pass through the through hole 134 and be disposed outside the receiving cavity 121. Alternatively, in other embodiments, the limiting plate 130 can be connected to the inner wall of the peripheral wall plate 120. The limiting plate 130 is circumferentially disposed on the inner wall of the peripheral wall plate 120, and the limiting plate 130 extends towards the axis to form a threaded structure. When the frame 200 is connected to the fixed base 100, the frame 200 can be connected and fixed to the limiting plate 130 through the threaded connection, thereby realizing the assembly of the frame 200. In one example, the peripheral wall plate 120 is a hollow structure, and the hollow structure guides through both ends of the peripheral wall plate 120 in the upper and lower directions. When the peripheral wall plate 120 is connected to the base plate 110, the base plate 110 will close one end of the peripheral wall plate 120, thereby making the upper part of the accommodating cavity 121 formed by the peripheral wall plate 120 and the base plate 110 have an installation opening, and the frame 200 will be assembled into the accommodating cavity 121 through the installation opening. This not only allows the fixed base 100 to act as a counterweight at the end of the frame 200, increasing its weight and reducing the risk of tipping over, but also simplifies the assembly process between the frame 200 and the fixed base 100. A limiting plate 130 is positioned at the mounting opening, extending towards the X-axis to reduce the size of the opening. When the frame 200 is installed into the receiving cavity 121, the limiting plate 130 will limit its movement at the mounting opening of the fixed base 100, preventing the frame 200 from separating from the fixed base 100 due to tipping over, thus further improving the installation stability of the frame 200.

[0045] In related technologies, when using the frame 200, its bottom is directly connected to the external equipment to place the frame 200 upright. However, the weight at both ends (bottom and ends) of the frame 200 is similar, making it prone to tipping over. Furthermore, after tipping over, the frame 200 is likely to collide with the external equipment, resulting in damage to its bottom and rendering it unusable.

[0046] Compared to related technologies, the fixed base 100 of this embodiment defines a receiving cavity 121 through a base plate 110 and a peripheral wall plate 120. This allows the frame 200 of the card holder 10 to be installed within the receiving cavity 121 for assembly when connected to the fixed base 100, thus providing protection for the bottom of the frame 200. Simultaneously, the base plate 110 and peripheral wall plate 120 at the bottom of the frame 200 increase its weight, reducing the risk of tipping. Furthermore, the limiting plate 130 extends towards the X-axis to partially block the receiving cavity 121. After the frame 200 is installed in the receiving cavity 121, the limiting plate 130 will limit its position at the installation opening of the fixed base 100, preventing the frame 200 from tipping off and separating from the fixed base 100, further improving the installation stability of the frame 200.

[0047] In some embodiments, see Figures 5 to 8 As shown, the fixed base 100 has multiple mounting ports 140. These mounting ports 140 are spaced apart around axis X on the limiting plate 130, and each mounting port 140 connects to the limiting plate 130 to the receiving cavity 121. Specifically, see [reference needed]. Figure 11 As shown, the bottom of the frame 200 has a spiral structure. The spiral structure has an end, and the distance between the end and the axis O is the largest. During assembly, the outermost coil of the spiral structure needs to be inserted into the receiving cavity 121. In this embodiment, since the spiral structure is a layered structure, during assembly, the end of the spiral structure is inserted into the receiving cavity 121 from the mounting port 140, and then the spiral structure is rotated to gradually enter the receiving cavity 121 for installation. By providing multiple mounting ports 140, the frame 200 has multiple entry points for assembly, thereby improving the assembly efficiency of the frame 200 and the fixed base 100.

[0048] Furthermore, the multiple mounting ports 140 connect to the limiting plate 130, causing the limiting plate 130 to be divided into multiple limiting parts 131. The limiting parts 131 and the mounting ports 140 are arranged sequentially around the axis X. When the bottom of the frame 200 is installed into the receiving cavity 121, the multiple limiting parts 131 will abut against the bottom of the frame 200, thereby providing evenly distributed support points for the frame 200 and improving the connection stability between the frame 200 and the fixed base 100.

[0049] Further, see Figures 1 to 5As shown, the fixed base 100 also includes a connecting rib plate 150, one end of which is connected to the base plate 110, and the other end is connected to the peripheral wall plate 120. The connecting rib plate 150 and the limiting part 131 are spaced apart along the setting direction (vertical direction) of the axis X, thereby defining a fixing groove 151 between the connecting rib plate 150 and the limiting part 131, and the fixing groove 151 communicates with the receiving cavity 121. The fixing groove 151 provides additional support and positioning function for the frame 200, so that after the frame 200 is installed into the receiving cavity 121, the bottom of the frame 200 can be stably placed in the receiving cavity 121 through the fixing groove 151.

[0050] Specifically, the connecting stiffener 150 is disposed on the circumferential sidewall of the base plate 110, and is positioned between the peripheral wall plate 120 and the base plate 110 in a direction perpendicular to the axis X (left-right or front-back direction). This ensures that when the limiting plate 130 extends towards the axis X, a portion of the limiting plate 130 corresponds vertically to the connecting stiffener 150, thus jointly defining the fixing groove 151. The height of the fixing groove 151 is adapted to the bottom height of the frame 200, ensuring that after the frame 200 is installed into the receiving cavity 121, at least a portion of the bottom of the frame 200 abuts against the peripheral wall plate 120 and is accommodated in the fixing groove 151. This not only improves the fixing strength of the fixed base 100 to the frame 200 but also optimizes the installation path of the frame 200, preventing the bottom of the frame 200 from shifting or tilting relative to the fixed base 100 after being accommodated in the fixing groove 151, thus guaranteeing a tight fit between the frame 200 and the fixed base 100.

[0051] Meanwhile, when the fixed base 100 and the frame 200 shake, the fixed groove 151 prevents the bottom of the frame 200 from colliding with the inner wall of the fixed base 100, thereby further protecting the frame 200 from damage.

[0052] Further, see Figure 6 and Figure 7As shown, the limiting part 131 and the connecting stiffener 150 each have an arc structure to optimize the design of the fixing groove 151. Specifically, the limiting part 131 has a first arc structure 1311 on the side facing the connecting stiffener 150, while the connecting stiffener 150 has a second arc structure 1521 on the side facing the limiting part 131. The first arc structure 1311 and the second arc structure 1521 together define the fixing groove 151 along the direction (vertical direction) of the axis X. By combining the first arc structure 1311 and the second arc structure 1521 to form the fixing groove 151, the arc shape reduces friction between the frame 200 and the fixing groove 151 after the frame 200 is assembled or disassembled, making assembly or disassembly smoother and improving the stability of the assembly or disassembly of the frame 200 and the fixed base 100.

[0053] Specifically, see Figures 6 to 11 As shown, the first curved structure 1311 of the limiting part 131 and the second curved structure 1521 on the connecting stiffener 150 are arc-shaped surfaces with a certain curvature. This makes the surface of the fixing groove 151 formed by the first curved structure 1311 and the second curved structure 1521 also a curved surface, thereby reducing the friction between the fixing groove 151 and the frame 200. Furthermore, the curved fixing groove 151, after the frame 200 is assembled into the receiving cavity 121, covers and fixes part of the bottom of the frame 200, thereby improving the fixation of the frame 200 by the fixing base 100 and further preventing the frame 200 from shaking or shifting during use. In one example, the bottom of the frame 200 has a spiral structure, so that the shape of the fixing groove 151 formed by the first curved structure 1311 and the second curved structure 1521 adapts to the structure of the bottom of the frame 200, thereby providing more stable support and reducing friction during installation and disassembly.

[0054] Furthermore, in some embodiments, see [reference] Figures 5 to 8 As shown, the connecting stiffener 150 includes multiple fixing parts 152, each of which has a second curved structure 1521. The multiple fixing parts 152 are spaced apart around the axis X. Simultaneously, the multiple fixing parts 152 and multiple limiting parts 131 are sequentially arranged around the axis X. Specifically, each fixing part 152 is part of the connecting stiffener 150, and the positions of the fixing parts 152 and the limiting parts 131 are sequentially arranged around the axis X, meaning that the positions of the fixing parts 152 and the limiting parts 131 do not overlap in the vertical direction. This allows the frame 200 to be fixed within the fixing groove 151 defined by the fixing parts 152 and the limiting parts 131, with the fixing parts 152 and the limiting parts 131 respectively supporting and clamping it at different positions on the frame 200, thereby improving the clamping stability of the fixed base 100 on the frame 200.

[0055] Furthermore, in this embodiment, the positions of the multiple fixing parts 152 and the multiple mounting ports 140 correspond one-to-one. This ensures that regardless of which mounting port 140 the frame 200 begins to be assembled into the fixing groove 151, the fixing base 100 always has a corresponding fixing part 152 to clamp and fix the portion of the frame 200 entering the fixing groove 151, thereby improving the assembly stability of the frame 200 during assembly. Simultaneously, because the distance between the end of the spiral structure and the axis O is the greatest, the force generated when the spiral structure is assembled into the fixing groove 151 and abuts against the peripheral wall plate 120 and the fixing groove 151 is the greatest. Therefore, when disassembling the frame 200, it is necessary to start disassembling from the end of the spiral structure. By ensuring that the positions of the multiple fixing parts 152 and the multiple mounting ports 140 correspond one-to-one, the end of the spiral structure can be disassembled from the nearest mounting port 140, thereby reducing steps such as rotating the spiral structure relative to the fixing base 100 and improving the disassembly efficiency of the frame 200.

[0056] In some embodiments, see Figure 5 and Figure 9 As shown, the fixed base 100 also has multiple disassembly ports 160, which are disposed on the base plate 110. The multiple disassembly ports 160 are spaced apart around the axis X, and extend through the base plate 110 along the direction of the axis X (vertical direction), thereby allowing the accommodating cavity 121 to communicate with the external environment through the bottom of the base plate 110. The multiple spaced disassembly ports 160 allow the user to quickly separate the fixed base 100 and the frame 200 when disassembly is required, without the need for additional tools, thus improving the ease of use of the fixed base 100.

[0057] Specifically, see Figures 9 to 11 As shown, the bottom of the frame 200 has a spiral structure. During assembly, the spiral structure is elastic, and the outermost ring of the spiral structure abuts against the peripheral wall plate 120. The outermost ring of the spiral structure corresponds vertically to the position of the disassembly port 160. The spiral structure has an end, with the maximum distance between the end and the axis O. During disassembly, the end of the spiral structure and the peripheral wall plate 120 must be separated first. Multiple disassembly ports 160 allow the operator to find the disassembly position closest to the end of the spiral structure, enabling the operator to separate the end of the spiral structure from the peripheral wall plate 120 through the disassembly ports 160, thereby separating the bottom of the frame 200 from the peripheral wall plate 120 and the base plate 110 to achieve disassembly.

[0058] Alternatively, since the multiple disassembly ports 160 are spaced apart, when the end of the spiral structure is located in the spacing between the multiple disassembly ports 160, the end of the spiral structure will be blocked by the gap between two disassembly ports 160. In this case, by driving the spiral structure to rotate relative to the base plate 110, the end of the spiral structure can be moved to the nearest disassembly port 160, thereby realizing the separation of the frame 200 and the fixed base 100.

[0059] Furthermore, in one example, see [link to example]. Figure 9 As shown, the positions of the multiple disassembly ports 160 and the multiple limiting portions 131 correspond one-to-one along the setting direction (vertical direction) of the axis X. Specifically, the connecting stiffener 150 has multiple fixing portions 152, and the positions of the multiple fixing portions 152 and the multiple mounting ports 140 correspond one-to-one along the setting direction of the axis X. The fixing portions 152 are disposed between two adjacent disassembly ports 160, and the interval between two disassembly ports 160 is the position of the fixing portion 152, that is, the fixing portions 152 and the disassembly ports 160 are arranged sequentially around the axis X. The fixing portions 152 and the limiting portions 131 together define the fixing groove 151 to fix the bottom of the frame 200.

[0060] During disassembly, if the end of the spiral structure is located on the fixing part 152, the user can operate the spiral structure through the mounting port 140 to disassemble the spiral structure and the fixing base 100. However, since the limiting part 131 and the fixing part 152 are not located at the same position in the vertical direction, if the end of the spiral structure is located below the limiting part 131, the disassembly port 160 and the limiting part 131 are aligned. The end of the spiral structure below the limiting part 131 can be operated through the disassembly port 160 to separate the peripheral wall panel 120 and the frame 200, thereby releasing the constraint of the limiting part 131 on the frame 200 and simplifying the disassembly process of the frame 200.

[0061] In some embodiments, see Figure 7 and Figure 8 As shown, the base plate 110 of the fixed base 100 has a first side 111 and a second side 112 arranged opposite to each other along the X-axis (vertical direction). The first side 111 is used to connect to the bottom of the support frame 200, ensuring that the frame 200 can be stably installed in the receiving cavity 121. The second side 112 is used to connect to external equipment such as a table, so that the fixed base 100 and the frame 200 can be placed together on the external equipment. The peripheral wall plate 120 has an outer peripheral edge 122, which surrounds the base plate 110. There is a gap distance H between the outer peripheral edge 122 and the X-axis of the base plate 110. The gap distance H between the outer peripheral edge 122 and the X-axis is not constant, but gradually decreases along the direction from the second side 112 toward the first side 111 (from bottom to top).

[0062] Specifically, the distance H between the outer periphery 122 and the axis X of the base plate 110 gradually decreases along the direction from the second side 112 towards the first side 111, causing the overall shape of the peripheral wall plate 120 to gradually approach the axis X from bottom to top. This results in the width of the accommodating cavity 121 also gradually decreasing along the direction from the second side 112 towards the first side 111, thereby increasing the clamping force of the accommodating cavity 121 on the bottom of the frame 200 and improving the connection stability between the frame 200 and the fixed base 100. Furthermore, compared to the second side 112, the gradual shape of the peripheral wall plate 120 makes the fixed base 100 more compact near the mounting area of ​​the frame 200 (i.e., the first side 111), thereby enhancing the structural strength and stability of the fixed base 100. Compared to the first side 111, the portion away from the mounting area of ​​the frame 200 (i.e., the second side 112) has a larger area, which helps to increase the contact area between the fixed base 100 and the external equipment and improve the installation stability of the fixed base 100.

[0063] A second aspect of this utility model provides a card holder 10 for carrying a target component. (See also...) Figures 1 to 10 As shown. The card holder 10 includes a frame 200 and a fixed base 100 as described in any of the above embodiments. The frame 200 includes a connecting part 210 and a supporting part 220. The connecting part 210 is connected to the base plate 110 and the peripheral wall plate 120 of the fixed base 100, and is housed in the receiving cavity 121 after the frame 200 and the fixed base 100 are assembled. The supporting part 220 is used to support the target item. The target item can be a sheet-like object (such as a card) or a card-like object (such as a debit card and a membership card).

[0064] Specifically, when using the card holder 10, the holder 200 and the fixed base 100 need to be assembled. The holder 200 and the fixed base 100 are detachably connected. During assembly, the connecting part 210 needs to be accommodated in the receiving cavity 121 formed by the base plate 110 and the peripheral wall plate 120. The connecting part 210 is located between the base plate 110 and the limiting plate 130, thereby connecting and fixing the holder 200 and the fixed base 100. The bearing part 220 is used to place business cards, cards, and other items, thereby facilitating the storage or display of the target items.

[0065] The card holder 10 of this utility model embodiment is connected to the connecting part 210 of the frame 200 through the base plate 110 and the peripheral wall plate 120, so that the fixed base 100 can counterweight the connecting part 210 to increase the weight of the connecting part 210, thereby reducing the possibility of the frame 200 tipping over and improving the placement stability of the frame 200.

[0066] In one embodiment, see [reference] Figure 10 and Figure 11 As shown, the connecting portion 210 has a curved structure 211 that rotates around a common axis O, and the distances between each point on the curved structure 211 and the axis O are not equal. For example, the curved structure 211 can be a cam structure or a spiral structure. In this embodiment, the curved structure 211 is a spiral structure. Specifically, see [reference needed]. Figure 11 As shown in the figure, the dot represents the axis O. As the curved structure 211 rotates, the distance between each point on the curved structure 211 and the axis O gradually increases, thus achieving the rotation of the curved structure 211. That is, the curved structure 211 gradually expands around the axis O, rotating in concentric circles. By providing the connecting part 210 with a curved structure 211 and a spiral structure, the contact area between the connecting part 210 and the base plate 110 can be increased, thereby improving the connection stability between the connecting part 210 and the fixed base 100 and reducing the likelihood of the frame 200 tipping over. In this embodiment, the spiral rotation angle needs to exceed 180 degrees, i.e.: Figure 11 As shown in the figure, points C1 and E are two points on a straight line passing through the axis O. When the bending structure 211 rotates from point E to point C1, the angle of rotation is 180 degrees, which can further increase the area of ​​the connecting part 210.

[0067] Furthermore, in some embodiments, the curved structure 211 is an equidistant spiral structure, with each corresponding pair of positions of the curved structure 211 having the same spacing. That is, a ray extending from the axis O will intersect the curved structure 211 at points such as C1 and D1, and C2 and D2. Since points C1 and D1 can be the start and end points of a circle, or points C2 and D2 can also be the start and end points of a circle, points C1 and D1 are defined as corresponding points, and points C2 and D2 are defined as corresponding points. The distance between points C1 and D1 is defined as a first length L1, and the distance between points C2 and D2 is defined as a second length L2. The first length L1 is equal to the second length L2. Making the first length L1 equal to the second length L2 makes the pressure applied to the base plate 110 on the connecting part 210 more uniform, thereby further improving the connection stability between the connecting part 210 and the base plate 110, and thus improving the placement stability of the frame 200.

[0068] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. A fixed base for connecting a frame, characterized in that, include: The base includes a base plate and a peripheral wall plate. The base plate has an axis and is used to connect the frame and external equipment. The peripheral wall plate is connected to the base plate and is disposed around the axis on the base plate. The peripheral wall plate and the base plate together define a receiving cavity for fixing the frame. A limiting plate, connected to the base, extends toward the axis to shield at least a portion of the receiving cavity along the direction of the axis.

2. The fixed base according to claim 1, characterized in that, The limiting plate includes an extension and a limiting structure. The extension and the limiting structure are disposed in the accommodating cavity. The extension is connected to the base plate. The limiting structure is connected to the end of the extension away from the base plate. The limiting structure extends toward the axis to cover at least part of the accommodating cavity.

3. The fixed base according to claim 1, characterized in that, The limiting plate is connected to the peripheral wall plate, the limiting plate is spaced apart from the bottom plate, and the limiting plate extends toward the axis to cover at least part of the receiving cavity.

4. The fixed base according to claim 3, characterized in that, The fixed base has multiple spaced mounting ports, which are arranged around the axis on the limiting plate. The multiple mounting ports are connected to the limiting plate along the direction of the axis to communicate with the receiving cavity. The multiple mounting ports separate the limiting plate to form multiple limiting parts.

5. The fixed base according to claim 4, characterized in that, The fixed base also includes a connecting rib plate, one end of which is connected to the base plate and the other end of which is connected to the peripheral wall plate. The connecting rib plate and the limiting part are spaced apart along the setting direction of the axis. The connecting rib plate and the limiting part together define a fixing groove, which communicates with the receiving cavity.

6. The fixed base according to claim 5, characterized in that, The limiting part has a first curved structure on the side facing the connecting rib plate, and the connecting rib plate has a second curved structure on the side facing the limiting part. The first curved structure and the second curved structure together define the fixing groove along the setting direction of the axis.

7. The fixed base according to claim 5, characterized in that, The connecting rib plate has a plurality of spaced fixing parts, which are connected to the base plate around the axis. The plurality of fixing parts and the plurality of limiting parts are arranged sequentially around the axis, and the plurality of fixing parts and the plurality of mounting holes correspond to each other along the direction of the axis.

8. The fixed base according to claim 4, characterized in that, The fixed base also has multiple disassembly ports, which are arranged around the axis on the base plate. The disassembly ports are connected to the base plate along the direction of the axis to communicate with the receiving cavity. The multiple disassembly ports correspond to the multiple limiting parts along the direction of the axis.

9. The fixed base according to claim 1, characterized in that, The base plate has a first side and a second side arranged opposite to each other along the axis. The first side is used to connect the frame and the second side is used to connect external equipment. The peripheral wall plate has an outer periphery and there is a gap between the outer periphery and the axis. The gap decreases along the direction from the second side toward the first side.

10. A card holder for carrying a target component, characterized in that, include: The fixed base as described in any one of claims 1 to 9; The frame includes a connecting part and a supporting part. The connecting part is connected to the base plate and the peripheral wall plate and is disposed in the accommodating cavity. The supporting part is used to support the target component.

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