Anti-deformation circuit board for massage chair

Abstract

The utility model discloses an anti-deformation circuit board for a massage chair, which relates to the technical field of anti-deformation circuit board appliances and comprises an upper frame, a plurality of clamping grooves are transversely arranged at one end of the top surface of the upper frame, a lower frame is arranged on one side surface of the upper frame, and a first hinge seat is fixedly connected between the lower frame and the upper frame. The lower frame and the upper frame are movably hinged through a first hinge seat; a fixing assembly used for pressing and clamping is installed in the upper frame. According to the utility model, through cooperation of the square rod, the spring, the limiting block and the abutting plate in the fixing assembly in the upper frame, the circuit board can be pressed and clamped conveniently, and then the function of preventing the circuit board from loosening can be realized; through cooperation of the buffer layer on the inner bottom surface of the lower frame and the elastic frame, buffering and supporting are provided for the circuit board conveniently, the deformation resistance of the circuit board is improved, and then the function of protecting the circuit board can be achieved; finally, the problem that the circuit board in the massage chair is easy to deform is solved, and the service life and reliability of the circuit board are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-deformation circuit board tools, in particular to an anti-deformation circuit board used for a massage chair. Background Art

[0002] With the continuous development of massage chair technology, the stability and reliability of its internal circuit boards are becoming increasingly important. Currently, the circuit boards used in massage chairs often face the problem of easy deformation, which is mainly due to the vibration generated by the massage chair during operation and the possibility of being affected by external forces and other factors.

[0003] The existing massage chair circuit board fixing method is relatively simple and usually lacks effective clamping and fixing structure, which makes the circuit board easy to loosen; moreover, the existing design does not provide sufficient cushioning and support for the circuit board, and cannot effectively resist external vibration and impact, making the circuit board prone to deformation, thereby affecting the normal use of the massage chair and the service life of the circuit board; in addition, the existing circuit board installation method is not firm enough, and the circuit board is prone to displacement, further reducing the reliability of the massage chair; therefore, the above problems need to be improved. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an anti-deformation circuit board for a massage chair.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a deformation-proof circuit board for a massage chair, comprising an upper frame, a plurality of slots being horizontally opened at one end of the top surface of the upper frame, and a lower frame being provided on one side of the upper frame, a first hinge seat being fixedly connected between the lower frame and the upper frame, and the lower frame and the upper frame being movably hinged through the first hinge seat; a fixing component for pressing and clamping is installed inside the upper frame.

[0006] Preferably, the fixing assembly includes an active cavity opened inside the two ends of the upper frame, a square rod vertically installed in the active cavity, a limit block fixed to the upper end of the square rod and a spring movably sleeved on the outside of the square rod, the spring is installed between the square rod and the bottom surface of the active cavity; the limit block abuts the top surface of the active cavity; and a stop block is fixed to one end of the square rod.

[0007] Preferably, both ends of the square rod pass through the upper frame, and a groove is provided at the other end of the square rod, a connecting block is clamped in the groove, the connecting block and the square rod are movably hinged by a pin shaft, and an abutment plate is fixed to the other end of the connecting block, and a plurality of semicircular rubber strips are provided at the other end of the abutment plate.

[0008] Preferably, positioning columns are fixed to the four corners of the inner bottom surface of the lower frame, and the inner bottom surface of the lower frame abuts the buffer layer, the buffer layer is provided with a plurality of honeycomb holes at equal intervals, and an elastic frame is installed on the top surface of the buffer layer, the elastic frame is fixed to the inner side surface of the lower frame on all sides, and a printed circuit board is placed in the elastic frame, the printed circuit board and the four corners of the buffer layer are provided with circular holes at equal intervals, and the printed circuit board and the buffer layer are sleeved on the outside of the positioning columns through the circular holes.

[0009] Preferably, a threaded opening matched with a knob is provided in the positioning column, the bottom surface of the knob abuts against an elastic gasket, and the elastic gasket abuts against the top surface of the printed circuit board.

[0010] Preferably, a second hinge seat is welded to the middle of one side of the lower frame, and the second hinge seat is movably hinged to an L-shaped card plate. A plurality of card blocks are laterally fixed to the top surface of the L-shaped card plate, and the card blocks are clamped in the inside of the card slot.

[0011] Preferably, fixing blocks are fixedly connected to both sides of the lower frame, and a plurality of circular holes are equidistantly formed on the bottom surface of the lower frame.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention facilitates pressing and clamping the circuit board through the cooperation of the square rod, spring, limit block and abutment plate in the internal fixing assembly of the upper frame, thereby improving the stability of the circuit board fixation and thus preventing the circuit board from loosening; and through the cooperation of the buffer layer on the bottom surface of the lower frame and the elastic frame, it is convenient to provide buffering and support for the circuit board, improving the deformation resistance of the circuit board and thus protecting the circuit board; through the cooperation of the positioning column, knob and elastic gasket, it is convenient to further fix the circuit board, improving the firmness of the circuit board installation and thus preventing the circuit board from shifting; finally, it solves the problem of easy deformation of the circuit board in the massage chair and improves the service life and reliability of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0014] Figure 1 This is a schematic diagram of the overall closed three-dimensional structure proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the overall opened three-dimensional structure proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the upper frame proposed in the present invention;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the upper frame and the lower frame proposed in the utility model;

[0018] Figure 5 This is a schematic diagram of the three-dimensional structure of the circuit board, elastic frame and buffer layer proposed in the utility model;

[0019] Figure 6 The utility model proposed Figure 2 Schematic diagram of the three-dimensional structure of part A in the middle;

[0020] Figure 7 The utility model proposed Figure 4 Schematic diagram of the three-dimensional structure of part B in the middle.

[0021] Serial numbers in the figure: 1. Upper frame; 2. Lower frame; 3. First hinge seat; 4. Square rod; 5. Limit block; 6. Stop block; 7. Spring; 8. Connecting block; 9. Abutment plate; 10. Semicircular rubber strip; 11. Positioning column; 12. Buffer layer; 13. Elastic frame; 14. Printed circuit board; 15. Fixed block; 16. Second hinge seat; 17. L-shaped card plate; 18. Card block; 19. Card slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Example: See Figure 1-7 , a deformation-proof circuit board for a massage chair in the utility model comprises an upper frame 1, which is convenient for cooperating with a lower frame 2 to protect the internal structure through the upper frame 1; a plurality of card slots 19 are horizontally opened at one end of the top surface of the upper frame 1, which are convenient for cooperating with a card block 18 to fix the upper frame 1 and the lower frame 2; and a lower frame 2 is provided on one side of the upper frame 1, and a printed circuit board 14 is conveniently placed through the lower frame 2; a first hinge seat 3 is fixed between the lower frame 2 and the upper frame 1, and the upper frame 1 and the lower frame 2 are convenient for being movably hinged to realize opening and closing through the first hinge seat 3; and the lower frame 2 and the upper frame 1 are movably hinged through the first hinge seat 3; the upper A fixing assembly for pressing and clamping is installed inside the frame 1; the fixing assembly includes an active cavity opened inside the two ends of the upper frame 1, and a square rod 4 vertically installed in the active cavity, which is convenient for driving the abutment plate 9 to move to achieve clamping or loosening through the square rod 4; a limit block 5 fixed to the upper end of the square rod 4 is convenient for limiting the movement range of the square rod 4 through the limit block 5; a spring 7 movably sleeved on the outside of the square rod 4 is convenient for providing clamping force to the abutment plate 9 through the spring 7; the spring 7 is installed between the square rod 4 and the bottom surface of the active cavity; the limit block 5 abuts against the top surface of the active cavity; and a stop block 6 is fixed to one end of the square rod 4, which is convenient for limiting the movement range of the square rod 4 through the stop block 6.

[0024] In the present invention, both ends of the square rod 4 pass through the upper frame 1, and the other end of the square rod 4 is provided with a groove, in which a connecting block 8 is clamped, and the connecting block 8 is convenient for connecting the square rod 4 and the abutment plate 9; the connecting block 8 and the square rod 4 are movably hinged by a pin shaft, and the other end of the connecting block 8 is fixedly connected to an abutment plate 9, and the abutment plate 9 is convenient for clamping the printed circuit board 14; the other end of the abutment plate 9 is provided with a plurality of semicircular rubber strips 10, and the semicircular rubber strips 10 are convenient for preventing damage to the printed circuit board 14 during clamping; the four corners of the inner bottom surface of the lower frame 2 are fixedly connected with positioning columns 11, and the positioning columns 11 are convenient for positioning the printed circuit board Brush circuit board 14; and the inner bottom surface of the lower frame 2 abuts against the buffer layer 12, and the buffer layer 12 provides buffering for the printed circuit board 14; the buffer layer 12 is provided with a plurality of honeycomb holes at equal intervals, and an elastic frame 13 is installed on the top surface of the buffer layer 12, and the elastic frame 13 is used to support the printed circuit board 14; the elastic frame 13 is fixedly connected to the inner side surface of the lower frame 2 on all sides, and the printed circuit board 14 is placed in the elastic frame 13, and the printed circuit board 14 and the buffer layer 12 are provided with circular holes at equal intervals at four corners, and the printed circuit board 14 and the buffer layer 12 are sleeved on the outside of the positioning column 11 through the circular holes.

[0025] In the present invention, a threaded opening that cooperates with the knob is provided in the positioning column 11, and the bottom surface of the knob abuts against an elastic gasket, which abuts against the top surface of the printed circuit board 14; a second hinge seat 16 is welded in the middle of one side surface of the lower frame 2, and the second hinge seat 16 facilitates the movably hinged L-shaped card plate 17; the second hinge seat 16 movably hinges the L-shaped card plate 17, and the L-shaped card plate 17 facilitates the fixing of the upper frame 1 and the lower frame 2; a plurality of card blocks 18 are laterally fixed to the top surface of the L-shaped card plate 17, and the card blocks 18 are clamped in the inside of the card slot 19; fixed blocks 15 are fixed on both sides of the lower frame 2, and the fixed blocks 15 facilitate the fixing of the lower frame 2 to the device; and a plurality of circular holes are equidistantly provided on the bottom surface of the lower frame 2.

[0026] Working principle: when the present invention is used, first open the upper frame 1 and place the printed circuit board 14 into the elastic frame 13 in the lower frame 2. At this time, the positioning posts 11 on the bottom surface of the lower frame 2 pass through the circular holes at the four corners of the printed circuit board 14 and the buffer layer 12 to perform preliminary positioning of the printed circuit board 14. The knob is screwed into the threaded opening in the positioning post 11 so that the elastic gasket abuts against the top surface of the printed circuit board 14 to further fix the printed circuit board 14 to prevent loosening. The upper frame 1 is driven by the first hinge seat 3 to close it with the lower frame 2. When the semicircular rubber strip 10 on the abutting plate 9 is pressed on the printed circuit board 14, the square rod 4 is driven to move upward, and the limit block 5 makes the abutting plate 9 tightly fit on the printed circuit board 14 by compressing the spring 7. The L-shaped clip 17 in the middle of one side of the lower frame 2 is rotated around the second hinge seat 16 so that the clip 18 on the top surface of the L-shaped clip 17 is clipped into the slot 19 at one end of the top surface of the upper frame 1, thereby fixing the upper frame 1 and the lower frame 2 together.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A deformation-resistant circuit board for a massage chair, comprising an upper frame (1), characterized in that: A plurality of slots (19) are transversely provided at one end of the top surface of the upper frame (1), and a lower frame (2) is provided on one side of the upper frame (1); a first hinge seat (3) is fixedly connected between the lower frame (2) and the upper frame (1), and the lower frame (2) and the upper frame (1) are movably hinged via the first hinge seat (3); a fixing assembly for pressing and clamping is installed inside the upper frame (1).

2. The anti-deformation circuit board for a massage chair according to claim 1, characterized in that: The fixing assembly comprises an active cavity provided inside both ends of the upper frame (1), a square rod (4) vertically mounted in the active cavity, a limit block (5) fixed to the upper end of the square rod (4), and a spring (7) movably sleeved on the outside of the square rod (4), wherein the spring (7) is mounted between the square rod (4) and the bottom surface of the active cavity; the limit block (5) abuts against the top surface of the active cavity; and a stop block (6) is fixed to one end of the square rod (4).

3. The anti-deformation circuit board for a massage chair according to claim 2, characterized in that: Both ends of the square rod (4) pass through the upper frame (1), and a groove is provided at the other end of the square rod (4), a connecting block (8) is clamped in the groove, the connecting block (8) and the square rod (4) are movably hinged via a pin, and an abutment plate (9) is fixed to the other end of the connecting block (8), and a plurality of semicircular rubber strips (10) are provided at the other end of the abutment plate (9).

4. The anti-deformation circuit board for a massage chair according to claim 1, characterized in that: The four corners of the inner bottom surface of the lower frame (2) are fixed with positioning columns (11), and the inner bottom surface of the lower frame (2) abuts against the buffer layer (12), the buffer layer (12) is provided with a plurality of honeycomb holes at equal intervals, and the top surface of the buffer layer (12) is installed with an elastic frame (13), the elastic frame (13) is fixed to the inner side surface of the lower frame (2) on all sides, and a printed circuit board (14) is placed in the elastic frame (13), the four corners of the printed circuit board (14) and the buffer layer (12) are provided with circular holes at equal intervals, and the printed circuit board (14) and the buffer layer (12) are sleeved on the outside of the positioning columns (11) through the circular holes.

5. The anti-deformation circuit board for a massage chair according to claim 4, characterized in that: A threaded opening that matches the knob is provided in the positioning column (11), the bottom surface of the knob abuts against an elastic gasket, and the elastic gasket abuts against the top surface of the printed circuit board (14).

6. The deformation-resistant circuit board for a massage chair according to claim 1, characterized in that: A second hinge seat (16) is welded to the middle of a side surface of the lower frame (2), and the second hinge seat (16) is movably hinged to an L-shaped card plate (17). A plurality of card blocks (18) are transversely fixed to the top surface of the L-shaped card plate (17), and the card blocks (18) are clamped in the inside of the card slot (19).

7. The anti-deformation circuit board for a massage chair according to claim 6, characterized in that: Fixed blocks (15) are fixedly connected to both sides of the lower frame (2), and a plurality of circular holes are equidistantly provided on the bottom surface of the lower frame (2).

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