Reading stand

Abstract

The utility model relates to a reading stand which can solve the problem that a supporting panel of an existing reading stand is inconvenient to rotate and comprises a base plate, a supporting rod and the supporting panel, the supporting panel is provided with a clamping assembly, the base plate is connected with the supporting panel through the supporting rod, and the supporting rod and the supporting panel are rotatably connected. A locking mechanism is arranged between the supporting rod and the supporting panel, the chassis is provided with a placing groove, the supporting rod is provided with a first shaft hole, the supporting panel is provided with a second shaft hole, the locking mechanism comprises a positioning piece arranged between the first shaft hole and the second shaft hole, the first shaft hole is provided with a plurality of first positioning parts, and the second shaft hole is provided with a plurality of second positioning parts. The first shaft hole is provided with a plurality of first positioning parts, the second shaft hole is provided with a plurality of second positioning parts, the positioning piece is provided with a third positioning part matched with the first positioning part and a fourth positioning part matched with the second positioning part, and the positioning piece is connected with a pressing part exposed out of the supporting rod and the supporting panel.

Description

Technical Field

[0001] The present application relates to a reading stand. Background Art

[0002] Students can use the reading stand to hold and support the book while reading, which can free their hands and reduce fatigue, so it is very popular among students.

[0003] The Chinese utility model patent with authorization announcement number CN216220634U discloses a reading stand with convenient clamping, which has an upper clamping part, a lower clamping part and a reset part. The side of the book is clamped between the upper clamping part and the lower clamping part. When turning the page, the page can be turned by pressing the lower clamping part with one hand. After turning the page, no operation is required. The reset part will cause the upper clamping part and the lower clamping part to clamp the side of the book, which is easy to operate.

[0004] However, since the base of the reading stand is in a cross shape, the reading stand may be unstable in placement, and there are also problems such as the inconvenience of rotating the support panel and the limited functions of the reading stand. Summary of the invention

[0005] The present application provides a reading rack, aiming to solve the problem that the supporting panel of the existing reading rack is inconvenient to rotate.

[0006] In order to achieve the above-mentioned purpose, the present application provides a reading rack, including a chassis, a support rod and a supporting panel, the supporting panel is provided with a clamping assembly, the chassis is connected to the supporting panel through the support rod, the support rod and the supporting panel are rotatably connected, a locking mechanism for positioning the support rod and the supporting panel relative to each other is provided between the support rod and the supporting panel, the chassis is provided with a placement groove, the support rod is provided with a first axial hole, and the supporting panel is provided with a second axial hole, the locking mechanism includes a positioning member arranged between the first axial hole and the second axial hole, the first axial hole is provided with a plurality of first positioning parts, the second axial hole is provided with a plurality of second positioning parts, the positioning member is respectively provided with a third positioning part cooperating with the first positioning part and a fourth positioning part cooperating with the second positioning part, the positioning member is connected with a pressing part exposed outside the support rod and the supporting panel, and pressing the pressing part can make the third positioning part cooperate with the first positioning part for positioning or can make the fourth positioning part cooperate with the second positioning part for positioning.

[0007] Preferably, the first positioning portion is a positioning tooth provided on the side wall of the first axial hole, and the third positioning portion is a positioning tooth groove provided on the outer side of the positioning member; and / or the second positioning portion is a positioning tooth provided on the side wall of the second axial hole, and the fourth positioning portion is a positioning tooth groove provided on the outer side of the positioning member.

[0008] Preferably, the support rod and / or the support panel is provided with an elastic component for maintaining a force on the positioning member or the pressing component so that the third positioning portion maintains a coordinated positioning with the first positioning portion or the fourth positioning portion maintains a coordinated positioning with the second positioning portion.

[0009] Preferably, the support rod and the support panel are rotatably connected via a rotating shaft, and the pressing component is non-fixedly connected to the rotating shaft.

[0010] Preferably, two connecting ears are provided under the support panel, the top end of the support rod is located between the two connecting ears, each connecting ear is provided with a second axial hole corresponding to the two ends of the first axial hole, the rotating shaft passes through the second axial hole of one of the connecting ears and partially extends into the first axial hole, and an abutment surface for abutting the end of the rotating shaft is provided in the first axial hole.

[0011] Preferably, one side of the first axial hole is a large hole and the other side is a small hole, and the connection between the large hole and the small hole forms an abutment surface. A circle of protrusions is provided on the side of the rotating shaft for engaging with the inner wall of the second axial hole of the connecting ear on this side to prevent it from escaping from the second axial hole.

[0012] Preferably, the pressing component is coaxially arranged with the rotating shaft.

[0013] Preferably, the clamping assembly comprises a left clamping arm and a right clamping arm, the left clamping arm is slidably connected to the support panel via a left sliding seat, and the right clamping arm is slidably connected to the support panel via a right sliding seat.

[0014] Preferably, the left sliding seat and the right sliding seat are linked together through a linkage structure.

[0015] Preferably, the linkage structure includes a left rack provided on the left sliding seat, a right rack provided on the right sliding seat, and a transmission gear meshing with the left rack and the right rack.

[0016] Preferably, the support rod is a telescopic support rod.

[0017] Preferably, the support rod comprises an upper support rod and a lower support rod, the upper support rod and the lower support rod are sleeved, one of the upper support rod and the lower support rod is provided with a tooth groove, and the other is provided with a clamping portion that can be movably inserted into or withdrawn from the tooth groove.

[0018] According to the above content, the beneficial effects of this application are:

[0019] By improving the locking mechanism, the support rod and the supporting panel can be conveniently assembled and the rotation positions of the support rod and the supporting panel can be conveniently adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of the embodiment of the present application. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the structure of the embodiment of the present application. Figure 2 ;

[0023] Figure 3 is a state diagram of a change in an embodiment of the present application;

[0024] Figure 4 The explosion of the embodiment of the present application Figure 1 ;

[0025] Figure 5 The explosion of the embodiment of the present application Figure 2 . DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application is described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application. In addition, it can also be understood that although the efforts made in this development process may be complex and lengthy, for ordinary technicians in the field related to the contents disclosed in the present application, some changes such as design, manufacturing or production based on the technical contents disclosed in the present application are only conventional technical means, and should not be understood as insufficient contents disclosed in the present application.

[0027] Reference to "embodiments" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0028] Unless otherwise defined, the technical terms or scientific terms involved in this application should be understood by people with ordinary skills in the technical field to which this application belongs. The words "one", "a", "a", "the" and the like involved in this application do not indicate a quantity limitation, and may indicate the singular or plural. The terms "include", "comprise", "have" and any of their variations involved in this application are intended to cover non-exclusive inclusions; for example, a process, method, system, product or device that includes a series of steps or modules (units) is not limited to the listed steps or units, but may also include steps or units that are not listed, or may also include other steps or units inherent to these processes, methods, products or devices. The words "connect", "connected", "coupled" and the like involved in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The "multiple" involved in this application means greater than or equal to two. "And / or" describes the association relationship of associated objects, indicating that there can be three relationships. For example, "A and / or B" can mean: A exists alone, A and B exist at the same time, and B exists alone. The terms "first", "second", "third" and the like involved in the present application are merely used to distinguish similar objects and do not represent a specific ordering of the objects.

[0029] See also Figures 1 to 5 The reading rack of the present application comprises a chassis 1, a support rod 2 and a support panel 3, wherein the support panel is provided with a clamping assembly, a placement groove 11 is provided on the upper surface of the chassis, and the upper surface of the chassis is connected to the support panel through a support rod near the side.

[0030] The support rod and the supporting panel are rotatably connected. Specifically, the support rod and the supporting panel are rotatably connected via a rotating shaft 4. A first axial hole 21 is provided at the top of the support rod, and two connecting ears 31 are provided at the bottom of the supporting panel. The top of the support rod is located between the two connecting ears, and each connecting ear is provided with a second axial hole 32 corresponding to the two ends of the first axial hole. The rotating shaft passes through the second axial hole of one of the connecting ears and partially extends into the first axial hole. An abutment surface 213 for abutting the end of the rotating shaft is provided in the first axial hole. Specifically, one side of the first axial hole is a large hole 211 and the other side is a small hole 212, and an abutment surface is formed at the connection between the large hole and the small hole. The rotating shaft is positioned and matched with the second axial hole, and a circle of protrusions 41 is provided on the side of the rotating shaft for clamping with the inner wall of the second axial hole of the connecting ear on this side to prevent it from escaping from the second axial hole. Specifically, a circle of grooves or a stopper can be provided corresponding to the inner wall of the second axial hole.

[0031] A locking mechanism for positioning the support rod and the support panel relative to each other is provided between the support rod and the support panel, the locking mechanism includes a positioning member 51 provided between another second axial hole and the first axial hole, the first axial hole is provided with a plurality of first positioning portions, the second axial hole is provided with a plurality of second positioning portions, the positioning member is respectively provided with a third positioning portion cooperating with the first positioning portion and a fourth positioning portion cooperating with the second positioning portion, the positioning member is connected with a pressing component 52 exposed outside the support rod and the support panel, the pressing component is fixedly connected to the rotating shaft, and the pressing component is coaxially arranged with the rotating shaft, and pressing the pressing component can make the third positioning portion cooperate with the first positioning portion for positioning or can make the fourth positioning portion cooperate with the second positioning portion for positioning.

[0032] In this embodiment, the first positioning portion is a positioning tooth 214 provided on the side wall of the first axial hole, the second positioning portion is a positioning tooth 321 provided on the side wall of the second axial hole, and the third positioning portion and the fourth positioning portion use the same component, which is a positioning tooth groove 511 provided on the outer side of the positioning member.

[0033] Preferably, the support rod and / or the supporting panel is provided with an elastic component (not shown in the figure) for maintaining a force on the positioning member or the pressing component so that the third positioning portion maintains a coordinated positioning with the first positioning portion or the fourth positioning portion maintains a coordinated positioning with the second positioning portion.

[0034] The clamping assembly includes a left clamping arm 61 and a right clamping arm 62. The left clamping arm is slidably connected to the support panel via a left sliding seat 63, and the right clamping arm is slidably connected to the support panel via a right sliding seat 64. The left sliding seat and the right sliding seat are linked together via a linkage structure.

[0035] Preferably, the linkage structure includes a left rack 65 provided on the left sliding seat, a right rack 66 provided on the right sliding seat, and a transmission gear 67 meshing with the left rack and the right rack.

[0036] See also Figure 3 The support rod is a retractable support rod, which includes an upper support rod 22 and a lower support rod 23. The upper support rod and the lower support rod are sleeved together. One of the upper support rod and the lower support rod is provided with a tooth groove 24, and the other is provided with a clamping portion 25 that can be movably inserted into or withdrawn from the tooth groove. By inserting the clamping portion into the tooth groove, the upper support rod and the lower support rod can be positioned, and by withdrawing the clamping portion from the tooth groove, the upper support rod and the lower support rod can achieve relative movement.

[0037] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A reading stand, comprising a chassis, a support rod and a support panel, wherein the support panel is provided with a clamping assembly, the chassis is connected to the support panel via a support rod, the support rod and the support panel are rotatably connected, and a locking mechanism is provided between the support rod and the support panel for positioning the support rod and the support panel relative to each other, characterized in that: The chassis is provided with a placement groove, the support rod is provided with a first axial hole, and the support panel is provided with a second axial hole. The locking mechanism includes a positioning member arranged between the first axial hole and the second axial hole, the first axial hole is provided with a plurality of first positioning parts, and the second axial hole is provided with a plurality of second positioning parts. The positioning member is respectively provided with a third positioning part cooperating with the first positioning part and a fourth positioning part cooperating with the second positioning part. The positioning member is connected with a pressing member exposed outside the support rod and the support panel. Pressing the pressing member can make the third positioning part cooperate with the first positioning part for positioning or can make the fourth positioning part cooperate with the second positioning part for positioning.

2. The reading stand according to claim 1, characterized in that: The first positioning portion is a positioning tooth provided on the side wall of the first axial hole, and the third positioning portion is a positioning tooth groove provided on the outer side of the positioning member; and / or the second positioning portion is a positioning tooth provided on the side wall of the second axial hole, and the fourth positioning portion is a positioning tooth groove provided on the outer side of the positioning member.

3. The reading stand according to claim 1, characterized in that: The support rod and / or the support panel are provided with an elastic component for maintaining a force on the positioning member or the pressing component so that the third positioning portion maintains a matching position with the first positioning portion or the fourth positioning portion maintains a matching position with the second positioning portion.

4. The reading stand according to claim 1, characterized in that: The support rod and the supporting panel are rotatably connected via a rotating shaft, a connecting ear is provided at the bottom of the supporting panel, the connecting ear is provided with second axial holes corresponding to the two ends of the first axial hole, the rotating shaft passes through the second axial hole of the connecting ear and partially extends into the first axial hole, an abutment surface for abutting the end of the rotating shaft is provided in the first axial hole, and the rotating shaft and the second axial hole are positioned and matched.

5. The reading stand according to claim 4, characterized in that: The pressing component is coaxially arranged with the rotating shaft.

6. The reading stand according to any one of claims 1 to 5, characterized in that: The clamping assembly comprises a left clamping arm and a right clamping arm. The left clamping arm is slidably connected to the support panel via a left sliding seat, and the right clamping arm is slidably connected to the support panel via a right sliding seat.

7. The reading stand according to claim 6, characterized in that: The left sliding seat and the right sliding seat are linked and matched with each other through a linkage structure.

8. The reading stand according to claim 7, characterized in that: The linkage structure comprises a left rack arranged on the left sliding seat, a right rack arranged on the right sliding seat, and a transmission gear meshed with the left rack and the right rack.

9. The reading stand according to any one of claims 1 to 5, characterized in that: The support rod is a telescopic support rod.

10. The reading stand according to claim 9, characterized in that: The support rod comprises an upper support rod and a lower support rod, the upper support rod and the lower support rod are sleeved, one of the upper support rod and the lower support rod is provided with a tooth groove, and the other is provided with a clamping part which can be movably clamped into or withdrawn from the tooth groove.

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