Reading stand capable of regulating and controlling visual angle

Abstract

The reading stand comprises a base, an adapter block is arranged at the upper end of the base, a supporting rod is rotationally connected between the left inner wall and the right inner wall of the adapter block through a rotating shaft, adapter columns are rotationally connected to the left side and the right side of the upper end of the supporting rod respectively, a supporting plate is fixedly connected between the outer side walls of the adapter columns, and the reading stand further comprises an adjusting mechanism; the adjusting mechanism comprises a sliding groove, a U-shaped seat, a connecting rod, a worm gear, a worm and a U-shaped block, the sliding groove is formed in the rear end of the supporting rod, the U-shaped block is slidably connected into the sliding groove, the U-shaped seat is arranged on the upper side of the rear end of the supporting plate, the connecting rod is rotatably connected between the lower end of the U-shaped seat and the upper end of the U-shaped block, and a protective shell is arranged at the right end of the adapter block. According to the reading stand capable of regulating and controlling the visual angle, when the visual angle of the reading stand is regulated and controlled, each transfer point is provided with a self-locking structure, so that the loosening condition can be avoided, and the use effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to reading stand technical field, concretely is a reading stand of adjustable view angle. BACKGROUND

[0002] Reading stand is a kind of tool for assisting reading, can bring many conveniences, family: using reading stand in home can let people be more comfortable in reading books, magazines or using tablet computer in sofa, bed or desk, whether it is leisure reading or learning office is very convenient, school: students can use reading stand in classroom, places textbook or notebook computer at suitable height and angle, helps to keep correct posture, improves learning efficiency, reduces the burden of cervical vertebra and eyes;

[0003] The reading stand of adjustable view angle of part existing, when the view angle of reading stand is regulated, it is rotated by the rotating shaft inside each adapter point of reading stand;

[0004] The reading stand of adjustable view angle of this kind existing has the following problems: when the view angle of reading stand is regulated, it is regulated by rotating rotating shaft, each adapter point does not have self-locking structure, and loosening condition will appear for long time rotation, inconvenient to use, for this, we propose a reading stand of adjustable view angle. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a reading stand of adjustable view angle, when the view angle of reading stand is regulated, each adapter point has self-locking structure and can avoid loosening condition, and the use effect is better, which can effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a reading stand of adjustable view angle, including base, the upper end of base is equipped with adapter block, and the left and right inner walls of adapter block are rotatably connected with support rod through rotating shaft, and the upper end left and right sides of support rod are rotatably connected with adapter column, and the outer side wall between adapter column is fixedly connected with supporting plate, and further including adjusting mechanism;

[0007] Adjusting mechanism: it includes sliding slot, U-shaped seat, connecting rod, worm wheel, worm and U-shaped block, the rear end of support rod is equipped with sliding slot, and the inside of sliding slot is slidably connected with U-shaped block, and the rear end upper side of supporting plate is equipped with U-shaped seat, and the lower end of U-shaped seat is rotatably connected with the upper end of U-shaped block with connecting rod, and the right end of adapter block is equipped with protective shell, and the upper side between the front and rear inner walls of protective shell is rotatably connected with worm, and the right end of rotating shaft is fixedly connected with worm wheel, and worm wheel and worm are meshedly connected, when the view angle of reading stand is regulated, each adapter point has self-locking structure and can avoid loosening condition, and the use effect is better.

[0008] Further, the adjusting mechanism further comprises a guide column, the guide column is fixedly connected between the upper and lower inner walls of the sliding groove, and the sliding hole at the front end of the U-shaped block is in sliding connection with the middle part of the guide column, so that sliding is facilitated.

[0009] Further, the adjusting mechanism further comprises an L-shaped support, a bushing and a plug rod, the left side of the rear end of the U-shaped block is provided with the L-shaped support, the left side surface of the sliding groove is provided with the uniformly distributed bushings, the plug rod is in sliding connection with the inside of the L-shaped support, and the right end of the plug rod is matched with the adjacent bushing and is installed, so that plug-in is facilitated.

[0010] Further, the adjusting mechanism further comprises a baffle, an extension rod and a spring, the baffle is fixedly sleeved on the right side of the outside of the plug rod, the extension rods that are symmetrically upward and downward are fixedly connected between the left side surface of the baffle and the left side wall of the L-shaped support, and the outside of the extension rod is fixedly sleeved with the spring, so that rebound is facilitated.

[0011] Further, the adjusting mechanism further comprises a pull handle, and the left end of the plug rod is fixedly connected with the pull handle, so that pulling is facilitated.

[0012] Further, the adjusting mechanism further comprises a knob, and the left end of the worm is fixedly connected with the knob, so that adjustment is facilitated.

[0013] Further, the front end of the supporting plate is rotatably connected with the left-right symmetric fixed steel sheets, so that fixation is facilitated.

[0014] Compared with the prior art, the adjustable reading frame has the following advantages:

[0015] When the plug rod is separated from the bushing by the pull handle, the supporting plate is pulled by the L-shaped support, the U-shaped block, the U-shaped seat and the connecting rod, and is rotated upward below the adapter column as the adapter point, the plug rod is inserted into the bushing under the rebounding action of the baffle, the extension rod and the spring when the suitable position is adjusted, the knob is rotated by rotating the knob, the worm is rotated by the knob, the worm is rotated by the worm, the support rod is rotated by the worm, and the self-locking structure of each adapter point avoids loosening when the angle of view of the reading frame is adjusted, and the use effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a sectional view structural schematic view of the utility model;

[0018] Figure 3 It is a right side sectional view structural schematic view of the utility model;

[0019] Figure 4 It is an enlarged structural schematic view of the A place of the utility model;

[0020] Figure 5 The enlarged structure schematic view of the utility model B.

[0021] In the figure: 1 base, 2 adapter block, 3 support pole, 4 adapter column, 5 supporting plate, 6 fixed steel sheet, 7 adjusting mechanism, 701 sliding groove, 702 U-shaped seat, 703 connecting rod, 704 guide column, 705 L-shaped support, 706 baffle, 707 jack, 708 telescopic rod, 709 spring, 710 inserting rod, 711 pull handle, 712 worm wheel, 713 worm, 714 knob, 715 U-shaped block, 8 protective shell. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of reading stand of adjustable angle of view, including base 1, the upper end of base 1 is equipped with adapter block 2, and the left and right inner walls of adapter block 2 are connected with support pole 3 by rotating shaft rotation, the upper end left and right sides of support pole 3 are respectively rotationally connected with adapter column 4, the outer side wall between adapter column 4 is fixedly connected with supporting plate 5, further including adjusting mechanism 7, the lower side of the front end of supporting plate 5 is rotationally connected with the fixed steel sheet 6 of left-right symmetry, when using reading stand, first, book is placed on the upper end of supporting plate 5, then the fixed steel sheet 6 of rotating two ends is fixed to book;

[0024] The adjusting mechanism 7 comprises a sliding groove 701, a U-shaped seat 702, a connecting rod 703, a worm wheel 712, a worm 713 and a U-shaped block 715, the rear end of the supporting rod 3 is provided with the sliding groove 701, the inside of the sliding groove 701 is slidably connected with the U-shaped block 715, the upper side of the rear end of the supporting plate 5 is provided with the U-shaped seat 702, the lower end of the U-shaped seat 702 is rotatably connected with the upper end of the U-shaped block 715, the right end of the adapter block 2 is provided with the protective shell 8, the upper side of the inner wall between the front and back of the protective shell 8 is rotatably connected with the worm 713, the right end of the rotating shaft is fixedly connected with the worm wheel 712, the worm wheel 712 is meshingly connected with the worm 713, the adjusting mechanism 7 further comprises a guide column 704, the guide column 704 is fixedly connected between the upper and lower inner walls of the sliding groove 701, the sliding hole of the front end of the U-shaped block 715 is slidably connected with the middle part of the guide column 704, the adjusting mechanism 7 further comprises an L-shaped support 705, a plug hole 707 and a plug rod 710, the left side of the rear end of the U-shaped block 715 is provided with the L-shaped support 705, the left side of the sliding groove 701 is provided with the plug hole 707 which is uniformly distributed, the plug rod 710 is slidably connected in the L-shaped support 705, the right end of the plug rod 710 is matched and installed with the adjacent plug hole 707, the adjusting mechanism 7 further comprises a baffle 706, an extension rod 708 and a spring 709, the baffle 706 is fixedly sleeved on the right side of the outer part of the plug rod 710, the upper and lower symmetrical extension rods 708 are fixedly connected between the left side of the baffle 706 and the left side wall of the L-shaped support 705, the spring 709 is fixedly sleeved on the outer part of the extension rod 708, the adjusting mechanism 7 further comprises a pull handle 711, the left end of the plug rod 710 is fixedly connected with the pull handle 711, the adjusting mechanism 7 further comprises a knob 714, the left end of the worm 713 is fixedly connected with the knob 714, when it is needed to adjust the visual angle of the reading rack, the pull handle 711 is pulled first, the pull handle 711 will drive the plug rod 710 and the baffle 706 to move leftward, so that the right end of the plug rod 710 is separated from the block of the plug hole 707, then the L-shaped support 705 is moved downward, the L-shaped support 705 will drive the U-shaped block 715 to move downward outside the guide column 704, then the U-shaped block 715 will pull the lower end of the supporting plate 5 through the U-shaped seat 702 and the connecting rod 703 to rotate upward around the adapter block 4 as the rotation point, so that the supporting plate 5 is adjusted, then when the appropriate position is adjusted, the pull handle 711 is loosened, the plug rod 710 will be inserted into the plug hole 707 under the rebounding action of the baffle 706, the extension rod 708 and the spring 709, then the knob 714 is rotated, the knob 714 will drive the worm 713 to rotate, the rotation of the worm 713 will drive the meshing worm wheel 712 to rotate, the worm wheel 712 will drive the supporting rod 3 to rotate through the rotating shaft.

[0025] The working principle of the reading frame with adjustable visual angle is as follows: when the reading frame is used, first, the book is placed on the upper end of the supporting plate 5, then the fixed steel sheet 6 is slightly deformed by being bent forward, then the fixed steel sheet 6 at the two ends is rotated to make the rear side of the fixed steel sheet 6 face the book, then the fixed steel sheet 6 is loosened, the fixed steel sheet 6 returns to the original state to fix the book, when the visual angle of the reading frame needs to be adjusted, first, the pull handle 711 is pulled, the pull handle 711 drives the insertion rod 710 and the baffle 706 to move leftwards, so that the right end of the insertion rod 710 is separated from the blocking of the insertion hole 707, then the L-shaped support 705 is moved downwards, the L-shaped support 705 drives the U-shaped block 715 to move downwards outside the guide column 704, so that the U-shaped block 715 drives the lower end of the supporting plate 5 to rotate upwards around the adapter column 4 as the adapter point through the U-shaped seat 702 and the connecting rod 703, so that the supporting plate 5 is adjusted, then when the suitable position is adjusted, the pull handle 711 is loosened, the insertion rod 710 is inserted into the insertion hole 707 under the rebounding action of the baffle 706, the telescopic rod 708 and the spring 709, then the knob 714 is rotated, the knob 714 drives the worm 713 to rotate, the rotation of the worm 713 drives the meshed worm wheel 712 to rotate, the worm wheel 712 drives the supporting rod 3 to rotate through the rotating shaft.

[0026] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. An adjustable viewing angle reading stand, comprising a base (1), wherein a connecting block (2) is provided at the upper end of the base (1), a support rod (3) is rotatably connected between the left and right inner walls of the connecting block (2) via a pivot, and connecting columns (4) are rotatably connected to the left and right sides of the upper end of the support rod (3), and a support plate (5) is fixedly connected between the outer walls of the connecting columns (4), characterized in that: It also includes a regulating mechanism (7); Adjustment mechanism (7): It includes a slide groove (701), a U-shaped seat (702), a connecting rod (703), a worm wheel (712), a worm (713) and a U-shaped block (715). The rear end of the support rod (3) is provided with a slide groove (701). The U-shaped block (715) is slidably connected inside the slide groove (701). The upper side of the rear end of the support plate (5) is provided with a U-shaped seat (702). The lower end of the U-shaped seat (702) and the upper end of the U-shaped block (715) are rotatably connected with a connecting rod (703). The right end of the adapter block (2) is provided with a protective shell (8). The upper side between the front and rear inner walls of the protective shell (8) is rotatably connected with a worm (713). The right end of the rotating shaft is fixedly connected with a worm wheel (712). The worm wheel (712) and the worm (713) are meshed together.

2. The adjustable viewing angle reading stand according to claim 1, characterized in that: The adjustment mechanism (7) also includes a guide post (704), and the guide post (704) is fixedly connected between the upper and lower inner walls of the slide groove (701). The sliding hole at the front end of the U-shaped block (715) is slidably connected to the middle part of the guide post (704).

3. The adjustable viewing angle reading stand according to claim 2, characterized in that: The adjustment mechanism (7) also includes an L-shaped bracket (705), a socket (707) and a plug rod (710). The left side of the rear end of the U-shaped block (715) is provided with an L-shaped bracket (705). The left side of the slide groove (701) is provided with evenly distributed sockets (707). The plug rod (710) is slidably connected inside the L-shaped bracket (705). The right end of the plug rod (710) is fitted with the adjacent socket (707).

4. The adjustable viewing angle reading stand according to claim 3, characterized in that: The adjustment mechanism (7) also includes a baffle (706), a telescopic rod (708) and a spring (709). The baffle (706) is fixedly sleeved on the right side of the outside of the insertion rod (710). The left side of the baffle (706) and the left side wall of the L-shaped bracket (705) are fixedly connected with symmetrical telescopic rods (708). The spring (709) is fixedly sleeved on the outside of the telescopic rod (708).

5. The adjustable viewing angle reading stand according to claim 4, characterized in that: The adjustment mechanism (7) also includes a handle (711), and the left end of the plug (710) is fixedly connected to the handle (711).

6. The adjustable viewing angle reading stand according to claim 5, characterized in that: The adjustment mechanism (7) also includes a knob (714), and the left end of the worm (713) is fixedly connected to the knob (714).

7. The adjustable viewing angle reading stand according to claim 1, characterized in that: The front end of the tray (5) is rotatably connected to a fixed steel plate (6) that is symmetrical on the left and right.

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