Heat dissipation supporting base

Abstract

The utility model relates to a heat dissipation supporting base. According to the technical scheme, a rectangular vertical arm is fixedly installed in the middle of the upper surface of a base, first air holes are evenly formed in the surface, right opposite to the lower end of the rectangular vertical arm, of the base, cooling fans are fixedly installed on the left side and the right side of the inner wall of the base below the first air holes respectively, and second air holes are formed in the left side wall and the right side wall of the base respectively. The left inner side wall and the right inner side wall of the rectangular vertical arm are fixedly connected with the left end and the right end of the main control board respectively, the rectangular vertical arm is movably sleeved with a lifting cover, the lower end edges of the inner side walls of the left side and the right side of the lifting cover are fixedly provided with first fixing lugs respectively, a lead screw is sleeved with the left first fixing lug, and a guide rod is sleeved with the right first fixing lug. The lower end of the lead screw is fixedly sleeved with a first gear, the first gear is meshed with teeth of a second gear, and an output shaft of a motor is fixedly sleeved with the second gear. The LED display screen has the advantages that air flow on the two sides of the main control board is enhanced, the heat dissipation effect is improved, and the height of the display screen can be adjusted conveniently.

Description

Technical Field

[0001] The utility model belongs to the field of cash register bases and relates to a heat dissipation support base. Background Art

[0002] The cash register is mainly used to create an integrated commodity management and customer management system, facilitate cashier management, focus on operation speed and efficiency, and increase sales speed by adding shortcut key sales functions. The cash register is the product of the development of microelectronics technology and the combination of modern commodity circulation management concepts and technological development, and the commercial electronic cash register is one of the basic electronic equipment that is essential for modern and automated commercial management. Most of the existing cash registers adopt a paperless design. The front and rear display screens are installed on the front and rear sides of the vertical arm respectively. The main control circuit is also integrated in the vertical arm, close to the main control board through air heat dissipation, and the heat dissipation effect is poor. At the same time, the space in the vertical arm is limited, and the air convection is poor, which is not conducive to heat dissipation. In addition, the base bracket of the cash register cannot adjust the height of the display screen, which is inconvenient for cashiers of different heights to operate.

[0003] Therefore, the utility model provides a heat dissipation support base to solve the above problems. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a heat dissipation support base, and the technical scheme adopted is as follows: the base includes a rectangular hollow shell, a rectangular vertical arm is fixedly installed in the middle part of the upper surface of the base, a first air hole is evenly provided on the surface of the base directly facing the lower end of the rectangular vertical arm, a rectangular bracket frame is provided on the inner wall of the base below the first air hole, a heat dissipation fan is fixedly installed on the left and right sides of the lower end surface of the rectangular bracket frame, and second air holes are respectively provided on the left and right side walls of the base, the rectangular vertical arm is a hollow shell that passes through from top to bottom, the left and right inner side walls of the rectangular vertical arm are respectively fixedly connected to the left and right ends of the main control board, the outer side of the rectangular vertical arm is movably covered with a lifting cover, the lower end edges of the inner side walls on the left and right sides of the lifting cover are respectively fixedly installed with first fixing ears, a screw rod is movably covered in the first fixing ear on the left, and a guide rod is covered in the first fixing ear on the right, the bottom of the screw rod passes through the base, the lower end of the screw rod is fixedly covered with a first gear, the left edge of the first gear is meshed with the teeth of the second gear, the second gear is fixedly covered on the output shaft of the motor, and the motor is fixedly installed on the inner surface of the bottom plate of the base.

[0005] As a preferred solution of the utility model, the distance between the lower end of the cooling fan and the bottom plate of the base is 2-5 cm; this design ensures that external wind energy enters from the second air holes on the left and right sides of the base and then smoothly enters the lower end of the cooling fan.

[0006] As a preferred solution of the utility model, the front and rear outer side walls of the rectangular vertical arm are in sliding contact with the front and rear inner side walls of the lifting cover respectively.

[0007] As a preferred solution of the utility model, second fixing ears are fixedly installed on the upper ends of the left and right side walls of the rectangular vertical arm respectively.

[0008] As a preferred solution of the utility model, the second fixing ear on the left side is rotatably fitted together with the upper end of the screw rod, and the second fixing ear on the right side is fixedly fitted together with the upper end of the guide rod.

[0009] As a preferred solution of the utility model, a plurality of third air holes are respectively provided on the left and right side walls of the lifting cover, and the third air holes are provided to facilitate the hot air blown out from the rectangular vertical arms and dissipated from the left and right third air holes. The upper end edges of the front and rear side walls of the lifting cover are respectively fixedly installed with screen mounting frames; by adopting the screen mounting frame, it is convenient to install the front and rear display screens.

[0010] The beneficial effects of the utility model are as follows: the motor drives the screw rod to rotate, and the rotation of the screw rod drives the lifting cover to move up and down along the rectangular vertical arm, so as to flexibly adjust the display screens installed on the front and rear sides of the lifting cover, which is convenient for adapting to the operating needs of the staff and improving the convenience of the support base. At the same time, through the cooling fan at the bottom, the external wind is sucked in from the second air holes on the left and right side walls of the base and blown to the front and rear sides of the upper main control board, so as to better dissipate the heat of the main control board and improve the operating efficiency of the cash register. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the interior of the base of the utility model;

[0014] Figure 4 It is a cross-sectional view of the lifting cover of the utility model.

[0015] In the figure: 1-base, 2-rectangular vertical arm, 3-main control board, 4-lifting cover, 5-screw, 6-guide rod, 7-first gear, 8-second gear, 9-motor, 11-first air hole, 12-rectangular bracket frame, 13-cooling fan, 14-second air hole, 21-second fixing ear, 41-first fixing ear, 42-third air hole, 43-screen mounting frame. DETAILED DESCRIPTION

[0016] Example 1

[0017] like Figures 1 to 4 As shown, a heat dissipation support base described in the utility model adopts a technical solution that includes a base 1, the base 1 is a rectangular hollow shell, a rectangular vertical arm 2 is fixedly installed in the middle part of the upper surface of the base 1, a first air hole 11 is evenly provided on the base surface directly opposite to the lower end of the rectangular vertical arm 2, a rectangular bracket frame 12 is provided on the inner wall of the base below the first air hole 11, a heat dissipation fan 13 is fixedly installed on the left and right sides of the lower end surface of the rectangular bracket frame 12, the spacing between the lower end of the heat dissipation fan 13 and the bottom plate of the base 1 is 2-5cm, and second air holes 14 are respectively provided on the left and right side walls of the base 1, the rectangular vertical arm 2 is a hollow shell that passes through from top to bottom, and second fixing ears 21 are respectively fixedly installed on the upper ends of the left and right side walls of the rectangular vertical arm 2, the left and right inner walls of the rectangular vertical arm 2 are respectively fixedly connected to the left and right ends of the main control board 3, the outer movable set lifting cover 4 of the rectangular vertical arm 2, the front and rear of the rectangular vertical arm 2 The outer side walls are in sliding contact with the front and rear inner side walls of the lifting cover 4 respectively, the lower end edges of the inner side walls on the left and right sides of the lifting cover 4 are respectively fixedly installed with first fixing ears 41, the left and right side walls of the lifting cover 4 are respectively provided with a plurality of third air holes 42, the upper end edges of the front and rear side walls of the lifting cover 4 are respectively fixedly installed with screen mounting frames 43, the first fixing ear 41 on the left side is movably sleeved with a screw rod 5, the upper end of the screw rod 5 is rotatably sleeved with the second fixing ear 21 on the left side, the first fixing ear 41 on the right side is sleeved with a guide rod 6, the upper end of the guide rod 6 is fixedly sleeved with the second fixing ear 21 on the right side, the bottom of the screw rod 5 passes through the base 1, the lower end of the screw rod 5 is fixedly sleeved with a first gear 7, the left edge of the first gear 7 is meshed with the teeth of the second gear 8, the second gear 8 is fixedly sleeved on the output shaft of the motor 9, and the motor 9 is fixedly mounted on the inner surface of the bottom plate of the base 1.

[0018] The working principle of the utility model is as follows: when in use, the display screens for displaying to customers and cashiers respectively are fixed by the front and rear screen mounting frames 43 respectively. The cashier can control the motor 9 to rotate according to his height through the system, drive the screw rod 5 to rotate, and then drive the lifting cover 4 to move upward or downward, so as to meet the cashier's use needs. During the operation of the cash register, the system controls the rotation of the cooling fan 13 at the bottom to suck the external wind into the base 1 through the second air holes on the left and right sides of the base 1, and blow it to the front and rear sides of the main control board 3 vertically arranged in the rectangular arm 2 through the first air hole 11, so as to fully dissipate the heat and cool down the heating elements of the main control board 3, and the dissipated heat is discharged into the air through the third air holes 42 on the left and right sides of the lifting cover 4, so as to ensure the stable operation of the main control board 3.

[0019] The electrical connection methods or structures not described in detail herein are prior art.

[0020] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A heat dissipation support base, characterized in that: The invention comprises a base (1), wherein the base (1) is a rectangular hollow shell, a rectangular vertical arm (2) is fixedly installed in the middle of the upper surface of the base (1), a first air hole (11) is evenly provided on the base surface directly opposite to the lower end of the rectangular vertical arm (2), a rectangular bracket frame (12) is provided on the inner wall of the base below the first air hole (11), a cooling fan (13) is fixedly installed on the left and right sides of the lower end surface of the rectangular bracket frame (12), a second air hole (14) is provided on the left and right side walls of the base (1), the rectangular vertical arm (2) is a hollow shell that passes through from top to bottom, the left and right inner walls of the rectangular vertical arm (2) are fixedly connected to the left and right ends of the main control board (3), and the rectangular vertical arm (2) is fixedly connected to the left and right ends of the main control board (3). A lifting cover (4) is movably mounted on the outer side of the vertical arm (2); first fixing ears (41) are respectively fixedly mounted on the lower end edges of the inner side walls on the left and right sides of the lifting cover (4); a screw rod (5) is mounted inside the first fixing ear (41) on the left side; a guide rod (6) is movably mounted inside the first fixing ear (41) on the right side; the bottom of the screw rod (5) passes through the base (1); a first gear (7) is fixedly mounted on the lower end of the screw rod (5); the left edge of the first gear (7) is meshed with the teeth of a second gear (8); the second gear (8) is fixedly mounted on the output shaft of a motor (9); and the motor (9) is fixedly mounted on the inner surface of the bottom plate of the base (1).

2. A heat dissipation support base according to claim 1, characterized in that: The distance between the lower end of the cooling fan (13) and the bottom plate of the base (1) is 2-5 cm.

3. The heat dissipation support base according to claim 1, characterized in that: The front and rear outer side walls of the rectangular vertical arm (2) are in sliding contact with the front and rear inner side walls of the lifting cover (4) respectively.

4. The heat dissipation support base according to claim 1, characterized in that: Second fixing ears (21) are respectively fixedly mounted on the upper ends of the left and right side walls of the rectangular vertical arm (2).

5. The heat dissipation support base according to claim 4, characterized in that: The second fixing ear (21) on the left side is rotatably sleeved together with the upper end of the screw rod (5), and the second fixing ear (21) on the right side is fixedly sleeved together with the upper end of the guide rod (6).

6. The heat dissipation support base according to claim 1, characterized in that: The left and right side walls of the lifting cover (4) are respectively provided with a plurality of third air holes (42), and the upper end edges of the front and rear side walls of the lifting cover (4) are respectively fixedly mounted with screen mounting frames (43).

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