Plane bearing type turntable bracket

Abstract

The utility model belongs to the technical field of screen supports, and particularly relates to a plane bearing type rotary table support which comprises a bottom plate, a rotary table plate, a folding bracket and a display supporting plate, a plane bearing is installed in the middle of the bottom plate, the rotary table plate is coaxially connected to the upper portion of the plane bearing, and the folding bracket and the display supporting plate are sequentially connected to the rotary table plate. A plurality of limiting grooves are formed in the outer side, corresponding to the plane bearing, of the bottom plate in a surrounding mode, elastic clamping pieces are installed at the positions, corresponding to the limiting grooves, of the bottom of the rotating disc plate, and each elastic clamping piece comprises a vertically-downward sleeve base, a spring in the sleeve base and a clamping block at the bottom of the spring. The screen turntable folding support effectively simplifies the structure of the screen turntable folding support by utilizing the design of positioning of the plane bearing and the simplified elastic clamping piece, can reduce the equipment volume, reduce the product assembly difficulty, reduce the production cost and improve the rotation smoothness of the turntable, and has remarkable practical significance.

Description

Technical Field

[0001] The utility model relates to the technical field of screen brackets, in particular to a plane bearing type turntable bracket. Background Art

[0002] On a speaker with a song-ordering touch screen used for karaoke or various outdoor cultural activities such as square dancing, outdoor movie watching, and outdoor carnival, it is usually necessary to configure a rotatable folding bracket for installing the song-ordering touch screen, while supporting the rotation and folding storage of the song-ordering touch screen.

[0003] The rotating bracket mechanism commonly used in the song-ordering touch screen on the market is shown in the patent document with patent number CN202320762806.9 and the name "A display screen rotation positioning structure", which includes a base plate and a connecting plate, the connecting plate is arranged above the base plate and is rotatably connected to the base plate through a rotating mechanism, the upper end of the connecting plate is fixedly connected to the display screen, the rotating mechanism includes a connecting groove at the upper end of the base plate, a mounting groove 1 at the lower end of the connecting plate, and a rotating fixture, an arc groove is opened on the base plate, a limiting column matched with the arc groove is arranged at the upper end of the connecting plate, and a positioning mechanism for fixing the angle after rotation is arranged between the connecting plate and the base plate; the connecting plate is rotatably connected to the base plate through the rotating mechanism, and when the connecting plate is rotated, the angle of the display screen can be adjusted. In this process, the ball in the positioning glass bead abuts or separates from the slot in the circular groove, and when the angle adjustment is completed, that is, the connecting plate stops rotating, the ball in the positioning glass bead inserts into the slot to form resistance, thereby achieving a fixed angle. It needs to set up a large number of mechanisms on the upper and lower plates to realize the rotation and positioning functions, which has a high production cost, is difficult to assemble, and has a large damping feeling during rotation, resulting in a poor user experience.

[0004] In view of this, in order to optimize the design of components such as the turntable of this bracket, simplify the overall layout, reduce costs and improve the user experience, it is necessary to carry out improved research and development. Utility Model Content

[0005] In order to solve the problems that the rotation and positioning components of the turntable bracket mechanism used in the song-ordering touch screen on the market are relatively complex in design, have high production costs, are difficult to assemble, and the smoothness of rotation cannot be guaranteed, resulting in a poor user experience, a plane bearing turntable bracket is provided.

[0006] A plane bearing turntable bracket comprises a base plate, a turntable plate, a folding bracket and a display bracket, wherein a plane bearing is installed in the middle of the base plate, the turntable plate is coaxially connected above the plane bearing, the folding bracket and the display bracket are connected in sequence on the turntable plate, a plurality of limiting grooves are arranged around the outer side of the base plate corresponding to the plane bearing, an elastic locking piece is installed at the bottom of the turntable plate corresponding to the limiting groove, and the elastic locking piece comprises a vertically downward sleeve, a spring in the sleeve and a locking block at the bottom of the spring.

[0007] Furthermore, the positioning block is spherical, the limiting groove is an arc groove, and the depth of the limiting groove is smaller than the radius of the positioning block.

[0008] Furthermore, a docking hole is vertically penetrated on the turntable plate, and the sleeve is threadedly connected in the docking hole.

[0009] Furthermore, a first limiting baffle is arranged on the outer side of the bottom plate corresponding to the limiting groove, and a second limiting baffle is arranged on the outer side of the elastic locking member corresponding to the bottom of the turntable plate.

[0010] Furthermore, the folding bracket includes folding connecting rods symmetrically arranged on the left and right sides of the rear of the display support plate, the upper end of the folding connecting rod is hinged to the display support plate, and the bottom end of the folding connecting rod is hinged to the upper side of the turntable plate.

[0011] Furthermore, a piston support rod is arranged between the folding connecting rods on the left and right sides, the top end of the piston support rod is hinged to the rear of the display support plate, and the bottom end of the piston support rod is hinged to the upper side of the turntable plate.

[0012] Furthermore, a connection reinforcement piece is coaxially connected in series between the bottom end of the folding connecting rod and the bottom end of the piston support rod.

[0013] Furthermore, the turntable plate, the plane bearing and the bottom plate are installed in the vertical sleeve in sequence from top to bottom.

[0014] Furthermore, a wiring through hole is provided through the middle of the vertical sleeve.

[0015] Furthermore, the turntable plate is connected to the bottom end of the folding bracket via a first vertical piece, the display tray is connected to the top end of the folding bracket via a second vertical piece, the first vertical piece is integrally formed with the turntable plate, and the second vertical piece is integrally formed with the display tray.

[0016] The advantages of the utility model are:

[0017] 1. Directly use miniature plane bearings as the rotating mechanism, effectively simplifying the number of turntable components and ensuring smooth rotation.

[0018] 2. The elastic positioning member and the limiting groove as the positioning mechanism are relatively simple in design, easy to assemble and low in production cost.

[0019] 3. The folding connecting rods designed symmetrically on both sides of the display tray can prevent the display tray from shaking due to force, and have strong positioning support capabilities, which can ensure the display effect after the screen is installed.

[0020] 4. The toss bracket with piston support tube is stable and reliable, and the operation is labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the plane bearing turntable bracket in the unfolded state;

[0023] Figure 2 It is a schematic diagram of the structure of the back side of the plane bearing type turntable bracket in the unfolded state;

[0024] Figure 3 It is a schematic diagram of the side structure of the plane bearing type turntable bracket in the unfolded state;

[0025] Figure 4 It is a schematic diagram of the side structure of the plane bearing type turntable bracket in the folded state;

[0026] Figure 5 for Figure 4 A perspective top view of the structure after removing the folding bracket;

[0027] Figure 6 is a top view of the base plate;

[0028] Figure 7 It is a structural schematic diagram of the elastic locking member.

[0029] Figure ID:

[0030] 1. Bottom plate; 2. Turntable plate; 201. Docking hole; 3. Folding bracket; 301. Folding connecting rod; 302. Piston support rod; 4. Display support plate; 5. Plane bearing; 6. Limiting groove; 7. Elastic positioning member; 701. Sleeve; 702. Spring; 703. Positioning block; 801. First limiting baffle; 802. Second limiting baffle; 9. Connecting reinforcement member; 10. Vertical sleeve; 101. Connection through hole; 11. First vertical piece; 12. Second vertical piece. DETAILED DESCRIPTION

[0031] In order to solve the problem that the Pitot tube of a general portable ultraviolet flue gas analyzer is fixedly installed at the front end of the equipment, the staff often needs to lift the entire equipment to change the direction of the Pitot tube in order to align the Pitot tube with the airflow direction in order to improve the detection accuracy. The operation is troublesome and laborious, and the detection accuracy cannot be guaranteed. A flat bearing turntable bracket is provided to solve the problem that the Pitot tube is fixedly installed at the front end of the equipment, and the staff often needs to lift the entire equipment to change the direction of the Pitot tube in order to align the Pitot tube with the airflow direction in order to improve the detection accuracy. The operation is troublesome and laborious, and the detection accuracy cannot be guaranteed.

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that the terms such as "within", "in" and "a" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships, without substantially changing the technical content, should also be regarded as the scope of the implementation of the present utility model, and should be stated in advance.

[0034] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood by specific circumstances.

[0035] like Figures 1 to 7 As shown, this embodiment provides a plane bearing turntable bracket, including a base plate 1, a turntable plate 2, a folding bracket 3 and a display tray 4, a plane bearing 5 is installed in the middle of the base plate 1, the turntable plate 2 is coaxially connected above the plane bearing 5, the folding bracket 3 and the display tray 4 are connected to the turntable plate 2 in sequence, a plurality of limiting grooves 6 are arranged around the outer side of the base plate 1 corresponding to the plane bearing 5, an elastic locking member 7 is installed at the bottom of the turntable plate 2 corresponding to the limiting grooves 6, and the elastic locking member 7 includes a vertically downward sleeve 701, a spring 702 in the sleeve 701 and a locking block 703 at the bottom of the spring 702.

[0036] When the device is used, the installation can be completed by fixing the middle of the back of the device such as the song-ordering touch screen to the display support plate 4. The plane bearing 5 can realize the smooth rotation function of the turntable, and the size of the device is relatively compact. In addition, the positioning groove 6 and the elastic clamping member 7 can realize the positioning of the turntable in a certain direction, and the structure is simple and easy to assemble.

[0037] The positioning block 703 is spherical, the limiting groove 6 is an arc groove, and the depth of the limiting groove 6 is less than the radius of the positioning block 703. The arc design between the limiting groove 6 and the positioning block 703 has less friction resistance during docking and separation, and is more labor-saving when operating the turntable to rotate.

[0038] The turntable plate 2 is vertically penetrated with a docking hole 201, and the sleeve 701 is threadedly connected in the docking hole 201. The threaded sleeve 701 is easy to assemble and can be replaced in time after the spring 702 is aged.

[0039] A first limiting baffle 801 is provided on the bottom plate 1 at the outer side of the corresponding limiting groove 6, and a second limiting baffle 802 is provided on the outer side of the corresponding elastic locking member 7 at the bottom of the turntable plate 2. The first limiting baffle 801 can cooperate with the second limiting baffle 802 to prevent the turntable from rotating excessively and causing the cable of the screen to break. In this embodiment, the two first limiting baffles 801 are respectively arranged at 90° clockwise and 180° counterclockwise of the second limiting baffle 802, so that the turntable can be quickly rotated to the side or back.

[0040] The folding bracket 3 includes folding links 301 symmetrically arranged on the left and right sides of the rear of the display support plate 4, the upper end of the folding link 301 is hinged to the display support plate 4, and the bottom end of the folding link 301 is hinged to the upper side of the turntable plate 2. The folding links 301 installed on both sides of the display support plate 4 can ensure stable support and prevent the display support plate 4 from shaking under force, and the hinged design can be folded and unfolded quickly.

[0041] A piston support rod 302 is provided between the folding connecting rods 301 on the left and right sides, the top end of the piston support rod 302 is hinged to the rear of the display support plate 4, and the bottom end of the piston support rod 302 is hinged to the upper side of the turntable plate 2. The piston support rod 302 can adopt a pneumatic support rod commonly used on the market, which helps to improve the support stability and has no risk of leakage compared to a hydraulic support rod.

[0042] A connecting reinforcement member 9 is coaxially connected in series between the bottom end of the folding connecting rod 301 and the bottom end of the piston support rod 302. The connecting reinforcement member 9 can improve the structural strength of the entire folding bracket 3, support the force more evenly, and avoid the bracket from shaking under force.

[0043] The turntable plate 2, the plane bearing 5 and the bottom plate 1 are sequentially installed from top to bottom in the vertical sleeve 10. The vertical sleeve 10 can improve the structural integrity, provide support for the entire turntable mechanism, and avoid rotation deviation.

[0044] The middle part of the vertical sleeve 10 is provided with a wiring through hole 101. The wiring through hole 101 facilitates the connection of devices such as the touch song selection screen installed on the display support plate 4 with other devices, so that the cables are hidden inside the turntable bracket.

[0045] The bottom end of the folding bracket 3 is connected to the turntable plate 2 through the first vertical piece 11, and the top end of the folding bracket 3 is connected to the display tray 4 through the second vertical piece 12. The first vertical piece 11 is integrally formed with the turntable plate 2, and the second vertical piece 12 is integrally formed with the display tray 4. The first vertical piece 11 and the second vertical piece 12 can provide a supporting space between the turntable plate 2 and the display tray 4 to avoid damage to the folding bracket 3 between the turntable plate 2 and the display tray 4 when folding. In addition, the first vertical piece 11 and the second vertical piece 12 can be respectively connected to the turntable plate 2 and the display tray 4, and then vertically folded to simplify the equipment components and improve the structural strength.

[0046] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementation modes. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. Plane bearing turntable bracket, characterized in that: It includes a base plate, a turntable plate, a folding bracket and a display bracket, a plane bearing is installed in the middle of the base plate, the turntable plate is coaxially connected above the plane bearing, the folding bracket and the display bracket are connected to the turntable plate in sequence, a plurality of limiting grooves are arranged around the outer side of the base plate corresponding to the plane bearing, an elastic locking piece is installed at the bottom of the turntable plate corresponding to the limiting groove, and the elastic locking piece includes a vertically downward sleeve, a spring in the sleeve and a locking block at the bottom of the spring.

2. The plane bearing turntable bracket according to claim 1, characterized in that: The positioning block is spherical, the limiting groove is an arc groove, and the depth of the limiting groove is smaller than the radius of the positioning block.

3. The plane bearing turntable support according to claim 2, characterized in that: The turntable plate is vertically provided with a docking hole, and the sleeve is threadedly connected in the docking hole.

4. The plane bearing turntable support according to claim 1, characterized in that: A first limiting baffle is arranged on the bottom plate at an outer side of the limiting groove, and a second limiting baffle is arranged on the outer side of the elastic locking member at the bottom of the turntable plate.

5. The plane bearing turntable support according to claim 1, characterized in that: The folding bracket comprises folding connecting rods symmetrically arranged on the left and right sides of the rear of the display supporting plate, the upper end of the folding connecting rod is hinged to the display supporting plate, and the bottom end of the folding connecting rod is hinged to the upper side of the turntable plate.

6. The plane bearing type turntable support according to claim 5, characterized in that: A piston support rod is arranged between the folding connecting rods on the left and right sides, the top end of the piston support rod is hinged to the rear of the display support plate, and the bottom end of the piston support rod is hinged to the upper side of the turntable plate.

7. The plane bearing type turntable support according to claim 6, characterized in that: A connecting reinforcement piece is coaxially connected in series between the bottom end of the folding connecting rod and the bottom end of the piston support rod.

8. The plane bearing type turntable support according to claim 1, characterized in that: The turntable plate, the plane bearing and the bottom plate are installed in the vertical sleeve seat in sequence from top to bottom.

9. The plane bearing turntable support according to claim 8, characterized in that: A wiring through hole is provided through the middle of the vertical sleeve.

10. The plane bearing type turntable support according to claim 1, characterized in that: The turntable plate is connected to the bottom end of the folding bracket via a first vertical piece, and the display support plate is connected to the top end of the folding bracket via a second vertical piece. The first vertical piece is integrally formed with the turntable plate, and the second vertical piece is integrally formed with the display support plate.

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