CN221992878U - Bidirectional sensor with adjustable function - Google Patents

Abstract

The utility model discloses a bidirectional sensor with an adjustable function, which relates to the technical field of sensors, and comprises a base, wherein four corners of the base are respectively connected with a fixing screw in a threaded manner, a pressed seat is fixedly arranged above the base, the side surface of the pressed seat is electrically connected with an input wire, the upper side of the base is fixedly provided with a display screen, the display screen is electrically connected with the pressed seat through an output wire, and a pressure resistor assembly is arranged inside the pressed seat; the pressure resistor assembly comprises a limiting ring which is fixedly arranged on the top side of the pressed seat. This practicality is through setting up of dog and semiconductor one, semiconductor two, can select two semiconductors to jointly measure when facing overweight object for measuring range enlarges, avoids appearing measuring the condition of not putting in place, also can make measuring result more accurate, also accessible rotation pull ring realizes the function conversion when needs carry out tensile test.

Description

Bidirectional sensor with adjustable function

Technical Field

The utility model relates to the technical field of sensors, in particular to a bidirectional sensor with an adjustable function.

Background

The bidirectional sensor is a sensor device, has the characteristic of adjustable sensitivity or detection range, and can realize bidirectional sensing function in different working modes. Such sensors typically employ advanced technology and design to meet the needs of different application scenarios.

The utility model patent disclosed as CN213455938U discloses a bidirectional sensor with adjustable function, which comprises a fixing device, a processing device, a limiting device, a stretching device and a pressure device, wherein the fixing device comprises a bottom plate and a semiconductor, the processing device comprises a processor and a wire, the lower surface of the processor is welded with the upper surface of the bottom plate, the limiting device comprises a limiting body, one end of the wire is connected with the side surface of the limiting body, the stretching device comprises lower connectors, the lower ends of a plurality of lower connectors are welded with the upper surface of the semiconductor, the pressure device comprises a pressure spring, and the lower end of the pressure spring is connected with the upper surface of the semiconductor. The tensile measurement can be carried out to above-mentioned application, and pressure device can carry out the measurement of pressure, reaches the purpose of measuring two-way power, and the processor can integrate and show the result of processing through the display screen to the signal, but single semiconductor can produce deformation error when measuring too little or too big pressure, and measuring range is narrower, appears the inaccurate problem of measuring result.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a bidirectional sensor with an adjustable function, and solves the problems in the background art. In order to achieve the above purpose, the utility model is realized by the following technical scheme: the bidirectional sensor with the adjustable function comprises a base, wherein fixing screws are connected to four corners of the base in a threaded manner, a pressed seat is fixedly arranged above the base, an input wire is electrically connected to the side face of the pressed seat, a display screen is fixedly arranged on the upper side of the base, the display screen is electrically connected with the pressed seat through an output wire, and a pressure resistor assembly is arranged inside the pressed seat;

the pressure resistor assembly comprises a limiting ring, the limiting ring is fixedly arranged on the top side of a pressed seat, a contact cover is connected to the inner side of the limiting ring in a sliding manner, the upper side of a first semiconductor is elastically connected to the inner top side of the contact cover through a first spring, the first semiconductor is in sliding sleeve joint with the limiting ring, a second semiconductor is fixedly arranged on the bottom side of the inner side of the pressed seat, the second semiconductor is elastically connected with the first semiconductor through a second spring, a sliding groove is formed in the upper side of the pressed seat, two axially symmetrical check blocks are slidingly connected to the upper side of the sliding groove, a T-shaped part is slidingly connected to one side, close to an output wire, of the sliding groove, and a pressing block is fixedly arranged at one end, far away from the sliding groove, of the T-shaped part.

Preferably, the standing groove has been seted up at the contact cover top, the inside rotation of standing groove is connected with the pull ring, the inside bottom side fixed mounting of sliding tray has the slide rail, slide rail and dog sliding connection, two the dog upside passes through spring elastic connection for the dog is along the slide rail displacement, avoids the dog to remove the in-process route and takes place the skew and can be when there is not T shape extrusion, resets through the spring effort.

Preferably, the inner diameter of the contact cover is larger than the radius of the first semiconductor, the sizes of the first semiconductor and the second semiconductor are consistent, and the inner diameters of the two stop blocks are smaller than the radius of the first semiconductor, so that the stop blocks can stop the first semiconductor, and the pressure of the first semiconductor is not transmitted to the second spring and the second semiconductor.

Preferably, the circuit between the first semiconductor and the second semiconductor is in a serial state, and two ends of the circuit are respectively and electrically connected with the input wire and the output wire, and at this time, the total resistance of the circuit is the sum of the resistances of the first semiconductor and the second semiconductor.

Preferably, the T-shaped piece upper side is rotationally connected with the pressing plate, the junction of pressing plate and T-shaped piece twines there is the torsional spring, the inside sliding connection of spacing ring has the slider, one side that the slider is close to the pressurized seat is fixed mounting has the triangle sloping block, and the triangle sloping block makes the position of pressing plate limit with the one end contact of pressing plate.

Preferably, one side of the T-shaped part, which is close to the sliding groove, is provided with a trapezoid structure, and the inclined planes on two sides are consistent with the inclined plane inclined angle of one side of the stop block, which is far away from the sliding rail, so that the two stop blocks can be driven to move back to back when the T-shaped part moves forward.

The utility model provides a bidirectional sensor with an adjustable function. The beneficial effects are as follows:

(1) The utility model discloses a dog and semiconductor one, setting of semiconductor two can select two semiconductors to jointly measure when facing overweight object for measuring range enlarges, avoids appearing measuring the condition of not putting in place, also can make measuring result more accurate, also accessible rotation pull ring realizes the function conversion when needs carry out tensile test.

(2) The utility model discloses an extrusion relation of push plate and triangle sloping block cooperates torsional spring and T type spare for T type spare is to the position definition behind the certain distance of displacement, thereby can restrict the fixed in position of two dogs through T type spare, avoids the dog to produce the influence to semiconductor one when carrying out the pressure measurement to heavier object.

Drawings

FIG. 1 is a schematic overall three-dimensional view of the present utility model;

FIG. 2 is an exploded view of the piezoresistive assembly of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of a stopper and a sliding groove according to the present utility model;

FIG. 5 is a schematic view of a slider and T-piece according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a slider and a T-piece according to the present utility model.

In the figure: 1. a base; 2. a set screw; 3. a compression seat; 4. an input wire; 5. an output wire; 6. a display screen; 7. a contact cover; 8. a placement groove; 9. a pull ring; 10. a first spring; 11. a limiting ring; 12. a first semiconductor; 13. a second spring; 14. a second semiconductor; 15. a sliding groove; 16. a slide rail; 17. a stop block; 18. a T-piece; 19. pressing the blocks; 20. a slide block; 21. triangle oblique block; 22. pressing the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a bidirectional sensor with an adjustable function comprises a base 1, wherein four corners of the base 1 are respectively connected with a set screw 2 in a threaded manner, a pressed seat 3 is fixedly arranged above the base 1, the side surface of the pressed seat 3 is electrically connected with an input wire 4, a display screen 6 is fixedly arranged on the upper side of the base 1, the display screen 6 is electrically connected with the pressed seat 3 through an output wire 5, and a pressure resistance component is arranged inside the pressed seat 3;

the pressure resistor component comprises a limiting ring 11, the limiting ring 11 is fixedly arranged on the top side of a pressed seat 3, a contact cover 7 is connected in the limiting ring 11 in a sliding manner, a placing groove 8 is formed in the top of the contact cover 7, a pull ring 9 is connected in the placing groove 8 in a rotating manner, a sliding rail 16 is fixedly arranged on the bottom side of the inside of a sliding groove 15, the sliding rail 16 is connected with a stop block 17 in a sliding manner, the upper sides of the two stop blocks 17 are elastically connected through a spring, the stop block 17 is enabled to move along the sliding rail 16, the stop block 17 is prevented from shifting in the moving process, when no T-shaped piece 18 is extruded, the contact cover 7 is reset through the action of the spring, the inner diameter of the contact cover 7 is larger than the radius of a first semiconductor 12, the sizes of the first semiconductor 12 and the second semiconductor 14 are consistent, the inner diameters of the two stop blocks 17 are smaller than the radius of the first semiconductor 12, the stop block 17 can block the first semiconductor 12, at this time, the pressure of the first semiconductor 12 will not be transmitted to the second spring 13 and the second semiconductor 14, the upper side of the first semiconductor 12 is elastically connected to the inner top side of the contact cover 7 through the first spring 10, the first semiconductor 12 is slidably sleeved with the limiting ring 11, the second semiconductor 14 is fixedly mounted on the inner bottom side of the pressure-receiving seat 3, the second semiconductor 14 is elastically connected to the first semiconductor 12 through the second spring 13, the circuit between the first semiconductor 12 and the second semiconductor 14 is in a serial state, the two ends of the circuit are respectively electrically connected with the input wire 4 and the output wire 5, at this time, the total resistance of the circuit is the sum of the resistances of the first semiconductor 12 and the second semiconductor 14, the sliding groove 15 is opened on the upper side of the pressure-receiving seat 3, two axisymmetric stoppers 17 are slidably connected to the upper side of the sliding groove 15, a T-shaped member 18 is slidably connected to one end of the sliding groove 15, which is far away from the sliding groove 15, and a pressing block 19 is fixedly mounted on one end of the T-shaped member 18, which is far from the sliding groove 15.

When in use, the input wire 4 is connected, the contact cover 7 is not stressed, the first semiconductor 12 and the second semiconductor 14 are not stressed and are not deformed, the current is communicated with the display screen 6 through the output wire 5 after passing through the first semiconductor 12 and the second semiconductor 14, the corresponding pressure at the moment is zero on the display screen 6, when the pressure of a lighter object is needed to be sensed, the object is placed above the contact cover 7, the contact cover 7 slides in the limit ring 11, the gravity of the object is transferred to the first semiconductor 12 through the cooperation of the contact cover 7 and the first spring 10, the first semiconductor 12 is deformed, the resistance of the first semiconductor 12 is related to the deformation quantity, the resistance of the first semiconductor 12 is changed, at the moment, the two stop blocks 17 are in a joint state under the action of the spring, the pressure of the first semiconductor 12 is transferred to the stop blocks 17 and is not transferred downwards, the second semiconductor 14 is not influenced by the pressure at the moment, the deformation and resistance of the second semiconductor 14 are kept unchanged, the changed resistance is only the resistance of the first semiconductor 12 after being pressed, so that the current is changed through the output wire 5, the pressure displayed on the display screen 6 is changed, when the object is heavy, the T-shaped piece 18 is driven to press the stop block 17 in the direction close to the first semiconductor 12, the two stop blocks 17 are displaced along the sliding rail 16 in the opposite directions, the two stop blocks 17 are not used for blocking the first semiconductor 12, the pressure of the first semiconductor 12 falls under the first semiconductor 12, but the position of the first semiconductor 12 is unchanged under the support of the second spring 13, the object is placed above the contact cover 7, the object is pressed to deform the first semiconductor 12 through the cooperation of the first spring 10, the pressure is transmitted downwards from the first semiconductor 12 through the second spring 13, the second semiconductor 14 is extruded, so that the second semiconductor 14 is deformed, the first semiconductor 12 and the second semiconductor 14 on the circuit are deformed, the resistance is changed, the total resistance of the circuit is the sum of the resistance generated by the two semiconductors, the output wire 5 is changed under the influence of the resistance, the numerical value displayed on the display screen 6 is changed, and the two semiconductors can be selected to jointly measure when an overweight object is faced through the arrangement of the stop block 17, the first semiconductor 12 and the second semiconductor 14, so that the measuring range is enlarged, the condition that the measurement cannot be completed in place is avoided, the measuring result is more accurate, and when a tension test is needed, after the fixing screw 2 is fixed, the pull ring 9 is rotated to be perpendicular to the contact cover 7, and the test object is connected with the pull ring 9.

Example two

Referring to fig. 5-6, on the basis of the first embodiment, a pressing plate 22 is rotatably connected to the upper side of the T-shaped member 18, a torsion spring is wound around the connection portion between the pressing plate 22 and the T-shaped member 18, a sliding block 20 is slidably connected to the inside of the limiting ring 11, a triangular inclined block 21 is fixedly mounted on one side of the sliding block 20, which is close to the pressed seat 3, the triangular inclined block 21 contacts with one end of the pressing plate 22 to limit the position of the pressing plate 22, one side of the T-shaped member 18, which is close to the sliding groove 15, is in a trapezoid structure, and inclined planes on two sides are consistent with inclined planes on one side of the stop block 17, which is far from the sliding rail 16, so that the two stop blocks 17 can be driven to move in opposite directions when the T-shaped member 18 moves forward.

When the pressing block 19 is moved in the direction approaching to the first semiconductor 12, the T-shaped member 18 is driven by the pressing block 19 to squeeze the stop block 17, when the T-shaped member 18 is displaced, the pressing plate 22 is driven to displace in the limiting ring 11, when the T-shaped member 18 is displaced to a certain distance, the top end of the pressing plate 22 contacts with the triangular inclined block 21, the inclined surface of the triangular inclined block 21 generates pressure on the pressing plate 22, so that the pressing plate 22 rotates in a small amplitude, at the moment, the torsion spring is pressed to increase elastic potential energy, the pressing plate 22 moves forwards and then is separated from contact with the triangular inclined block 21, at the moment, the elastic potential energy of the torsion spring releases to drive the pressing plate 22 to reset, the pressing plate 22 contacts with the vertical surface of the triangular inclined block 21 and presses the triangular inclined block 21, so that the position of the pressing plate 22 and the triangular inclined block 21 is limited, the position of the T-shaped member 18 and the pressing block 19 is fixed, at the moment, the position of the stop block 17 is driven to be fixed, and when the pressing block 19 is required to be pulled outwards, the triangular inclined block 21 is driven to displace upwards, the pressing plate 22 is pushed upwards, the pressing plate 22 is moved forwards, the pressing plate 22 and the triangular inclined block 21 is separated from the triangular inclined block 21, at the vertical surface is not to be pulled, and the movable pressing plate 18 is pushed out, and the T-shaped member is free, and the stop block 19 is realized.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (1)

1. The utility model provides a two-way sensor with adjustable function, includes base (1), its characterized in that: the four corners of the base (1) are respectively connected with a fixing screw (2) in a threaded manner, a pressed seat (3) is fixedly arranged above the base (1), an input wire (4) is electrically connected to the side face of the pressed seat (3), a display screen (6) is fixedly arranged on the upper side of the base (1), the display screen (6) is electrically connected with the pressed seat (3) through an output wire (5), and a pressure resistor assembly is arranged inside the pressed seat (3);

The pressure resistor assembly comprises a limiting ring (11), the limiting ring (11) is fixedly arranged on the top side of a pressed seat (3), a contact cover (7) is connected to the upper side of the inner top side of the contact cover (7) through a first spring (10) in a sliding mode, a first semiconductor (12) is in sliding sleeve joint with the limiting ring (11), a second semiconductor (14) is fixedly arranged on the bottom side of the inner side of the pressed seat (3), the second semiconductor (14) is elastically connected with the first semiconductor (12) through a second spring (13), a sliding groove (15) is formed in the upper side of the pressed seat (3), two axisymmetric stop blocks (17) are connected to the upper side of the sliding groove (15) in a sliding mode, a T-shaped piece (18) is connected to one side of the sliding groove (15) close to an output wire (5) in a sliding mode, a pressing block (19) is fixedly arranged at one end of the first semiconductor (12) far away from the sliding groove (15), a placing groove (8) is formed in the top of the contact cover (7), two stop blocks (16) are connected to the inner side of the sliding groove (16) in a sliding mode, the two stop blocks (17) are fixedly connected to the inner side of the sliding groove (16) through the sliding groove (17), the inner diameter of the contact cover (7) is larger than the radius of the semiconductor I (12), the sizes of the semiconductor I (12) and the semiconductor II (14) are consistent, the inner diameters of the two stop blocks (17) are smaller than the radius of the semiconductor I (12), a circuit between the semiconductor I (12) and the semiconductor II (14) is in a serial connection state, two ends of the circuit are electrically connected with an input wire (4) and an output wire (5) respectively, the upper side of the T-shaped piece (18) is rotationally connected with a pressing plate (22), a torsion spring is wound at the joint of the pressing plate (22) and the T-shaped piece (18), a sliding block (20) is connected inside the limiting ring (11) in a sliding manner, one side, close to the pressed seat (3), of the sliding block (20) is fixedly provided with a triangular inclined block (21), one side, close to the sliding groove (15), of the T-shaped piece (18) is in a trapezoid structure, and inclined planes on two sides of the sliding block (17) are consistent with the inclined plane on one side, far away from the sliding rail (16).