CN213025608U

CN213025608U - Flexible and adjustable high-precision capacitive screen touch resistance box

Info

Publication number: CN213025608U
Application number: CN202022029378.8U
Authority: CN
Inventors: 杨红伟
Original assignee: Wuxi Oumeng Technology Co ltd
Current assignee: Wuxi Oumeng Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-20
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a nimble adjustable high accuracy electric capacity screen touch resistance case uses in the resistance case field, and its technical scheme main points are: the resistor box comprises a resistor box main body and a resistor element arranged on the bottom side of the inner wall of the resistor box main body, wherein a gap is formed between the resistor element and the inner wall of the resistor box main body; has the technical effects that: reduce the dust and pile up the possibility that brings the resistance element damage, when clean the back that finishes, hang the bracing piece on the fixed hook, avoid the possibility of cleaning plate to the resistance element influence.

Description

Flexible and adjustable high-precision capacitive screen touch resistance box

Technical Field

The utility model relates to a resistance box technical field, in particular to nimble adjustable high accuracy electric capacity screen touch resistance box.

Background

Resistance box a box resistor. The circuit is formed by connecting a plurality of constant value resistors with different resistance values according to a certain mode. The constant value resistor in the resistor box is generally wound by constantan and manganese copper wires, so that the resistance value is basically not changed along with the temperature. The resistance box used in the laboratory has two types, namely a plug type resistance box and a switch type resistance box (also called a cylinder type resistance box).

The Chinese patent publication No. CN210247221U discloses a flexible and adjustable high-precision capacitive screen touch resistance box, which comprises a system power supply, a CPU controller, an LCD (liquid crystal display), a resistance box control circuit, a battery management unit and various interfaces, wherein the system power supply provides power for the CPU controller, the resistance box control circuit and the battery management unit; the CPU controller is respectively connected with the LCD screen, the resistance box control circuit, the battery management unit and various interfaces; the LCD is a capacitive touch screen, and the interface of the LCD comprises a host setting area, a resistance adjusting area and a common resistance value selecting area. In the use process of the coupler, a large amount of dust is attached to the surface of the resistor in the long-term use process of the resistor box, and the possibility of damage to the resistor is easily caused by long-term accumulation of the dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nimble adjustable high accuracy electric capacity screen touch resistance case, its advantage: through set up clean mechanism in the resistance box, clean up the dust on the resistor surface, reduce the possibility that the accumulation of dust brought the resistor damage.

The above technical purpose of the present invention can be achieved by the following technical solutions: a flexible and adjustable high-precision capacitive screen touch resistance box comprises a resistance box main body and a resistance element arranged on the bottom side of the inner wall of the resistance box main body, wherein a gap exists between the resistance element and the inner wall of the resistance box main body, a protective cover is hinged to the top side of the resistance box main body, a motor is arranged on the edge of one side of the inner wall of the protective cover, a ball screw is coaxially and rotatably connected to the output end of the motor, a screw nut is sleeved on the ball screw, a supporting rod is hinged to the bottom wall of the screw nut, a cleaning plate is fixedly arranged on one side, away from the screw nut, of the supporting rod, the length of the cleaning plate is equal to the width of the resistance element, and a fixing hook for hanging; when the support rod is removed from the fixing hook, the cleaning plate abuts against the top side of the resistance element.

Through the technical scheme, when needing to resistance element cleanness in the resistance box main part, open the protective cover, take off the bracing piece from the fixed hook, driving motor rotates, the motor drives ball screw and rotates, ball screw drives screw-nut and removes, screw-nut drives the bracing piece and removes, the bracing piece drives the cleaning plate and removes along the resistance element surface, the cleaning plate cleans the dust on resistance element surface, make the resistance element surface clean, reduce the dust and pile up the possibility that brings the resistance element damage, after the cleanness finishes, hang the bracing piece on the fixed hook, avoid the possibility of cleaning plate to the resistance element influence.

The utility model discloses further set up to: the inner wall of the resistance box main body, which is far away from one side of the motor, is inserted with a dust collecting box, the dust collecting box is abutted against the side surface of the resistance element, and the other side of the dust collecting box extends out of the resistance box main body.

Through the technical scheme, when the cleaning plate sweeps dust down from the surface of the resistance element, the dust falls into the dust collecting box, the dust collecting box plays a role in collecting the dust, the possibility that the dust directly falls into the box body to cause the resistance box main body to be dirty is reduced, and after cleaning is finished, the dust collecting box is pulled out to pour the dust out, and is inserted back to be convenient for next continuous use.

The utility model discloses further set up to: and a cleaning brush is arranged on the bottom wall of the cleaning plate.

Through above-mentioned technical scheme, the dust on the cleaning resistance component surface that the cleaning brush can be better, and the cleaning brush material is softer, reduces the cleaning plate and causes the possibility of resistance component damage in clean process.

The utility model discloses further set up to: the resistor box is characterized in that a moisture-proof box is arranged on the inner bottom wall of the resistor box body, and a large amount of moisture-proof agent is placed in the moisture-proof box.

Through above-mentioned technical scheme, the moisture proof agent will get into the moisture absorption of resistance box main part, reduces the possibility that moisture damaged to resistance element.

The utility model discloses further set up to: and the outer side of the gap between the protective cover and the resistance box main body is hermetically connected with a sealing strip.

Through above-mentioned technical scheme, the sealed tape seals the clearance between protective cover and the resistance box main part, reduces moisture and gets into and damage the possibility of resistance element from the clearance.

The utility model discloses further set up to: the side wall of the dust collecting box is fixedly provided with a sliding block, and the opening of the resistance box main body through which the dust collecting box passes is provided with a sliding chute which is connected with the sliding block in a sliding manner.

Through the technical scheme, the sliding block slides into the sliding groove, so that the dust collecting box can be conveniently inserted into the resistor box main body, and the dust collecting box can better collect dust.

To sum up, the utility model discloses following beneficial effect has:

1. when the resistor element in the resistor box main body needs to be cleaned, the protective cover is opened, the supporting rod is taken down from the fixed hook, the motor is driven to rotate, the motor drives the ball screw to rotate, the ball screw drives the screw nut to move, the screw nut drives the supporting rod to move, the supporting rod drives the cleaning plate to move along the surface of the resistor element, and the cleaning plate cleans dust on the surface of the resistor element, so that the surface of the resistor element is clean, the possibility of damage of the resistor element caused by dust accumulation is reduced, and after cleaning is finished, the supporting rod is hung on the fixed hook, so that the possibility of influence of the cleaning plate on the resistor element is avoided;

2. when the cleaning plate sweeps dust down from the surface of the resistance element, the dust falls into the dust collecting box, the dust collecting box plays a role in collecting the dust, the possibility that the dust directly falls into the box body to cause the resistance box body to be dirty is reduced, and after cleaning is finished, the dust collecting box is pulled out to pour the dust out and is inserted back to be convenient for next continuous use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic view showing the connection between the slide groove and the slide block.

Reference numerals: 1. a resistance box main body; 2. a resistance element; 3. a protective cover; 4. an electric motor; 5. a ball screw; 6. a feed screw nut; 7. a support bar; 8. cleaning the plate; 9. a fixed hook; 10. a dust collection box; 11. a cleaning brush; 12. a moisture-proof box; 13. a moisture resistant agent; 14. sealing tape; 15. a slider; 16. a chute.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1 and 2, fig. 1 is a schematic overall structure diagram of the present embodiment; fig. 2 is a schematic view showing the connection between the slide groove and the slide block. A flexible and adjustable high-precision capacitive screen touch resistance box comprises a resistance box main body 1 and a resistance element 2 arranged on the bottom side of the inner wall of the resistance box main body 1, a gap exists between the resistance element 2 and the inner wall of the resistance box main body 1, a protective cover 3 is hinged on the top side of the resistance box main body 1, a motor 4 is fixedly connected to one side edge of the inner wall of the protective cover 3, a ball screw 5 is coaxially and rotatably connected to the output end of the motor 4, a screw nut 6 is sleeved on the ball screw 5, a support rod 7 is hinged to the bottom wall of the screw nut 6, a cleaning plate 8 is fixedly connected to one side, away from the screw nut 6, of the support rod 7, a cleaning brush 11 is embedded and connected to the bottom wall of the cleaning plate 8, the length of the cleaning plate 8 is equal to the width of the resistance; when the support rod 7 is taken down from the fixed hook 9, the cleaning plate 8 is abutted against the top side of the resistance element 2, when the resistance element 2 in the resistance box main body 1 needs to be cleaned, the protective cover 3 is opened, the support rod 7 is taken down from the fixed hook 9, the motor 4 is driven to rotate, the motor 4 drives the ball screw 5 to rotate, the ball screw 5 drives the screw nut 6 to move, the screw nut 6 drives the support rod 7 to move, the support rod 7 drives the cleaning plate 8 to move along the surface of the resistance element 2, and the cleaning brush 11 can better clean dust on the surface of the resistance element 2, and the cleaning brush 11 is made of soft material, so that the possibility of damage to the resistance element 2 caused by the cleaning plate 8 in the cleaning process is reduced, so that the surface of the resistance element 2 is clean, the possibility of damage to the resistance element 2 caused by dust accumulation is reduced, after cleaning, the supporting rod 7 is hung on the fixing hook 9, so that the possibility that the cleaning plate 8 affects the resistance element 2 is avoided.

Furthermore, a dust collecting box 10 is inserted into the inner wall of the side of the resistance box main body 1 far away from the motor 4, the dust collecting box 10 is abutted against the side surface of the resistance element 2, the other side of the dust collecting box 10 extends out of the resistance box main body 1, a sliding block 15 is fixedly arranged on the side wall of the dust collecting box 10, a sliding groove 16 which is in sliding connection with the sliding block 15 is arranged at an opening part of the resistance box main body 1 through which the dust collecting box 10 passes, the sliding block 15 slides into the sliding groove 16, so that the dust collecting box 10 is more conveniently inserted into the resistance box main body 1, when the cleaning plate 8 sweeps dust off the surface of the resistance element 2, the dust falls into the dust collecting box 10, the dust collecting box 10 collects the dust, the possibility that the dust directly falls into the box body to cause the resistance box main body 1 to be dirty is reduced, after the cleaning is finished, the dust collecting box 10 is pulled out to pour out the dust, and is inserted back to be used continuously next time.

Further, be equipped with dampproofing case 12 on the bottom wall in resistance box main part 1, a large amount of dampproofing agent 13 have been placed in dampproofing case 12, dampproofing agent 13 will get into the moisture absorption of resistance box main part 1, reduce the possibility that moisture damaged resistance element 2, the gap outside sealing connection between protective cover 3 and the resistance box main part 1 has sealing strip 14, sealing strip 14 seals the clearance between protective cover 3 and the resistance box main part 1, reduces the possibility that moisture got into from the clearance and damaged resistance element 2.

The method comprises the following operation steps: need be to resistance element 2 clean in the resistance box main part 1, open protective cover 3, take off bracing piece 7 from fixed hook 9, driving motor 4 rotates, motor 4 drives ball screw 5 and rotates, ball screw 5 drives screw-nut 6 and removes, screw-nut 6 drives bracing piece 7 and removes, bracing piece 7 drives clean board 8 and removes along resistance element 2 surface, clean board 8 cleans the dust on resistance element 2 surface, make resistance element 2 surface clean, reduce the dust and pile up the possibility that brings resistance element 2 and damage, after finishing cleaning, hang bracing piece 7 on fixed hook 9, avoid the possibility of clean board 8 to resistance element 2 influence.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a nimble adjustable high accuracy capacitive screen touch resistance case which characterized in that: comprises a resistance box main body (1) and a resistance element (2) arranged on the bottom side of the inner wall of the resistance box main body (1), a gap is formed between the resistance element (2) and the inner wall of the resistance box main body (1), a protective cover (3) is hinged on the top side of the resistance box main body (1), a motor (4) is arranged on one side edge of the inner wall of the protective cover (3), the output end of the motor (4) is coaxially and rotatably connected with a ball screw (5), the ball screw (5) is sleeved with a screw nut (6), the bottom wall of the screw nut (6) is hinged with a support rod (7), a cleaning plate (8) is fixedly arranged on one side of the support rod (7) far away from the screw rod nut (6), the length of the cleaning plate (8) is equal to the width of the resistance element (2), the inner top wall of the resistance box main body (1) is provided with a fixing hook (9) for hanging the support rod (7);

when the support rod (7) is removed from the fastening hook (9), the cleaning plate (8) abuts against the top side of the resistor element (2).

2. The flexible adjustable high-precision capacitive screen touch resistance box according to claim 1, characterized in that: the dust collecting box (10) is inserted into the inner wall of one side, away from the motor (4), of the resistor box main body (1), the dust collecting box (10) is abutted to the side face of the resistor element (2), and the other side of the dust collecting box (10) extends out of the resistor box main body (1).

3. The flexible adjustable high-precision capacitive screen touch resistance box according to claim 1, characterized in that: the bottom wall of the cleaning plate (8) is provided with a cleaning brush (11).

4. The flexible adjustable high-precision capacitive screen touch resistance box according to claim 1, characterized in that: be equipped with dampproofing case (12) on the bottom wall in resistance box main part (1), a large amount of dampproofing agent (13) have been placed in dampproofing case (12).

5. The flexible adjustable high-precision capacitive screen touch resistance box according to claim 1, characterized in that: and a sealing tape (14) is hermetically connected to the outer side of the gap between the protective cover (3) and the resistance box main body (1).

6. The flexible adjustable high-precision capacitive screen touch resistance box according to claim 2, characterized in that: the side wall of the dust collection box (10) is fixedly provided with a sliding block (15), and the opening of the resistance box main body (1) through which the dust collection box (10) passes is provided with a sliding groove (16) which is connected with the sliding block (15) in a sliding manner.