CN2807204Y - Sensor - Google Patents

Abstract

The utility model relates to a sensor. The utility model comprises a fixing member, a locking nut, an output socket, a sensor body and a display device, wherein the sensor body comprises an adjusting member, an insulator and a measuring head. The adjusting member is composed of two concentric cylinders with different diameters, and the two concentric cylinders are mutually connected along the axial direction and are integrally formed. The insulator is positioned between the adjusting member and the measuring head. The measuring head is connected with the output socket through a conducting wire. The output socket and the locking nut are connected with the back end of the sensor body is sequence, and the sensor body is penetrated through the fixing member and is arranged in the tank body. The display device is arranged on the output socket. The sensor provided by the utility model causes the display device to send out signals when the distance between the measuring head and the measured object is zero. Operating personals reversely rotate the adjusting member, and calculate the distance between the measuring head and the measured object by utilizing the rotation angle and the screw pitch of the adjusting member. The utility model not only can accurately control the distance between the measuring head and the measured object, but also can not damage the sensor.

Description

Sensor

Technical field

The utility model relates to a kind of sensor, particularly relates to a kind of sensor that can accurately regulate distance between gauge head on it and testee.

Background technology

Sensor is to be used for the device of checkout equipment operational situation on a kind of gear housing that is installed in equipment.Fig. 1 is the sensor construction synoptic diagram of prior art.As shown in Figure 1, the sensor of this prior art comprises fixture 1, sensor main body 2, set nut 3 and accessory power outlet 4.Wherein, fixture 1 is installed in the hole that forms on casing 6 walls that are arranged at tested gear 5 outsides, is formed with internal thread on its inside surface; Sensor main body 2 is by having different diameters and interconnecting vertically and two integrally formed concentric cylinders constitute, the cylinder diameter that is positioned at front end is less than the cylinder diameter that is positioned at the rear end, and the cylindrical outside surface end in rear end be formed with can with the intermeshing external thread of internal thread on the fixture 1.Accessory power outlet 4, set nut 3 link to each other successively with the rear end of sensor main body 2, and sensor main body 2 then runs through fixture 1 and is arranged on the inside of casing 6, and 5 of its front end and tested gears L at intervals.The front end inside of sensor main body 2 is equipped with and can detects the Sensitive Apparatus that tested gear 5 rotates situation, when tested gear 5 rotates, this sensor can be transformed into testing result electric signal and then pass to instrument, and at this moment the operator only needs just can recognize the working order of this equipment by observing instrument.The distance L that need guarantee 5 of the front end of sensor main body 2 and tested gears during sensor installation remains in the very little scope, exceeding this scope will make its output signal produce error, its result will cause the real-world operation situation of instrument video data and tested gear 5 inconsistent, thereby testing result whether accurate depends primarily on the distance L of 5 of the front end of sensor main body 2 and tested gears.Operating personnel were earlier along a certain direction rotation accessory power outlet 4 usually when this sensor was installed at present, so that coupled sensor main body 2 front ends are near tested gear 5, wait to feel when this front end has touched tested gear 5 reverse rotation accessory power outlet 4 again, till the distance L of 5 of sensor main body 2 front ends and tested gears reaches desirable position, fix set nut 3 at last and can finish installation process.But, because the leading section of sensor main body 2 is thinner, and display device is not set, thereby adjustment process is entirely with operating personnel's sensation, so the careless slightly front end that will damage sensor main body 2 in this adjustment process, even can damage its inner Sensitive Apparatus.

Summary of the invention

In order to address the above problem, the purpose of this utility model is to provide a kind of can accurately regulate gauge head on it and the distance between testee, and security is good, simple in structure and easy to operate sensor.

In order to achieve the above object, the sensor that the utility model provides comprises fixture, set nut and accessory power outlet, and described sensor also comprises a sensor main body and display device; Wherein, fixture is installed in the hole that forms on the box body wall that is arranged at tested gear outside, is formed with internal thread on its inside surface; Sensor main body comprises regulating part, insulator and gauge head; Regulating part is by having different diameters and interconnecting vertically and two integrally formed concentric cylinders constitute, the cylinder diameter that is positioned at front end is less than the cylinder diameter that is positioned at the rear end, and the cylindrical outside surface end in rear end be formed with can with the intermeshing external thread of internal thread on the fixture; Insulator is the disk shape, and the one side links to each other with the right cylinder front end face that is positioned at front end, and identical with this cylindrical diameter, and the another side then joins with the rear end of gauge head; Gauge head is cylindrical shape, and its inside is equipped with Sensitive Apparatus, and diameter is identical with the diameter of insulator, and links to each other with accessory power outlet by lead; Accessory power outlet, set nut link to each other successively with the rear end of sensor main body, and sensor main body runs through fixture and is arranged on the inside of casing; Display device then is installed on the accessory power outlet.

Described display device is luminescent device or microphone device.

The sensor that the utility model provides can be between gauge head and testee distance make display device send signal when being zero, at this moment operating personnel's reverse rotation regulating part again, utilize the anglec of rotation of regulating part and pitch just can calculate distance between gauge head and testee then, the distance between gauge head and testee not only can be controlled so exactly, and sensor can not be damaged.

Description of drawings

Below in conjunction with the drawings and specific embodiments the sensor that the utility model provides is elaborated.The parts identical with prior art adopt identical drawing reference numeral, and omit its explanation of carrying out.

Fig. 1 is the sensor construction synoptic diagram of prior art.

The sensor one example structure synoptic diagram that Fig. 2 provides for the utility model.

Embodiment

As shown in Figure 2, the sensor that the utility model provides comprises fixture 1, set nut 3 and accessory power outlet 4, and described sensor also comprises a sensor main body 7 and not shown display device; Wherein, fixture 1 is installed in the hole that forms on casing 6 walls that are arranged at tested gear 5 outsides, is formed with internal thread on its inside surface; Sensor main body 7 comprises regulating part 8, insulator 9 and gauge head 10; Regulating part 8 is by having different diameters and interconnecting vertically and two integrally formed concentric cylinders constitute, the cylinder diameter that is positioned at front end is less than the cylinder diameter that is positioned at the rear end, and the cylindrical outside surface end in rear end be formed with can with the intermeshing external thread of internal thread on the fixture 1; Insulator 9 is the disk shape, and the one side links to each other with the right cylinder front end face that is positioned at front end, and identical with this cylindrical diameter, and the another side then joins with the rear end of gauge head 10; Gauge head 10 is cylindrical shape, and its inside is equipped with Sensitive Apparatus, and diameter is identical with the diameter of insulator 9, and links to each other with accessory power outlet 4 by lead; Accessory power outlet 4, set nut 3 link to each other successively with the rear end of sensor main body 7, and sensor main body 7 runs through fixture 1 and is arranged on the inside of casing 6; Display device then is installed on the accessory power outlet 4.Described display device is luminescent device or microphone device.As mentioned above, display device is installed on the accessory power outlet 4, and an end of accessory power outlet 4 is connected to form ground connection by set nut 3 and the regulating part 8 that is attached thereto with casing 6, and its other end then directly joins by the gauge head 10 of lead and sensor.The effect of insulator 9 is that gauge head 10 is connected with regulating part 8, and makes their mutually insulateds on electric.When regulating the sensing station that the utility model provides, operating personnel are at first along a certain direction rotation accessory power outlet 4, so that gauge head 10 front ends that are attached thereto are near tested gear 5.Because the tested gear 5 that metal material is made is communicated with on electric with casing 6 (being grounding body), so when the gauge head 10 of sensor touches tested gear 5, display device, accessory power outlet 4, gauge head 10, tested gear 5 and 6 of casings will form a closed-loop path, display device will be sent signal to operating personnel this moment, the distance L that shows 5 of gauge head 10 and tested gears has been zero, at this moment operating personnel begin reverse rotation accessory power outlet 4, when gauge head 10 leaves tested gear 5, above-mentioned loop is cut off thereupon, and display device can't be sent signal.Operating personnel can calculate the distance L of 5 of gauge head 10 and tested gears according to the reverse rotation angle of regulating part 8 and external thread pitch according to following formula.

$L=\frac{P}{360}\×\mathrm{\α}$

Wherein, L: the distance that gauge head 10 and tested gear are 5;

P: the external thread pitch of regulating part 8;

α: the reverse rotation angle of regulating part 8.

After treating that adjustment process finishes, set nut 3 just fixed to finish installation process.Because the sensor that the utility model provides is provided with display device, thus the problem of gauge head 10 and Sensitive Apparatus can not appear damaging in the installation process again, and can make fitting operation simple more, convenient.

Claims (2)

1, a kind of sensor comprises fixture (1), set nut (3) and accessory power outlet 4, it is characterized in that: described sensor also comprises a sensor main body (7) and display device; Wherein, fixture (1) is installed in and is arranged in the hole that forms on outside casing (6) wall of tested gear (5), is formed with internal thread on its inside surface; Sensor main body (7) comprises regulating part (8), insulator (9) and gauge head (10); Regulating part (8) is by having different diameters and interconnecting vertically and two integrally formed concentric cylinders constitute, the cylinder diameter that is positioned at front end is less than the cylinder diameter that is positioned at the rear end, and the cylindrical outside surface end in rear end is formed with and can goes up the intermeshing external thread of internal thread with fixture (1); Insulator (9) is the disk shape, and the one side links to each other with the right cylinder front end face that is positioned at front end, and identical with this cylindrical diameter, and the another side then joins with the rear end of gauge head (10); Gauge head (10) is cylindrical shape, and its inside is equipped with Sensitive Apparatus, and diameter is identical with the diameter of insulator (9), and links to each other with accessory power outlet (4) by lead; Accessory power outlet (4), set nut (3) link to each other successively with the rear end of sensor main body (7), and sensor main body (7) runs through fixture (1) and is arranged on the inside of casing (6); Display device then is installed on the accessory power outlet (4).

2, sensor according to claim 1 is characterized in that: described display device is luminescent device or microphone device.

Images