CN211012826U

CN211012826U - Measuring device of nanoscale capacitance displacement sensor

Info

Publication number: CN211012826U
Application number: CN201922330420.7U
Authority: CN
Inventors: 肖书文; 文杰
Original assignee: Sanying Motioncontrol Instruments Ltd
Current assignee: Sanying Motioncontrol Instruments Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-14
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to the technical field of capacitance displacement sensors, and discloses a nanoscale capacitance displacement sensor measuring device, which comprises a sensor measuring body, wherein two ends of the sensor measuring body are symmetrically and fixedly connected with a position adjusting mechanism; the positioning mechanism comprises a threaded pipe, a threaded column, a supporting rod, a mounting plate and scales, one end of the threaded pipe is embedded in one end of the sensor measuring body, the threaded column is in threaded connection with the inner pipe wall of the threaded pipe, one end of the supporting rod is fixedly connected to the threaded column and is far away from one end of the sensor measuring body, the other end of the supporting rod penetrates through the threaded pipe and is far away from one end pipe orifice of the sensor measuring body, the other end of the supporting rod extends outwards and is connected with one end of the mounting plate, and the scales are fixedly arranged on the rod wall of the supporting. The utility model discloses can be as required accurate make the adjustment to the mounting panel displacement to produce the clearance when avoiding installing corresponding instrument, improved the installation effect.

Description

Measuring device of nanoscale capacitance displacement sensor

Technical Field

The utility model relates to a capacitance displacement sensor technical field especially relates to a nanometer capacitance displacement sensor measuring device.

Background

In the field of geological observation, particularly earthquake precursor observation, the radial micro-displacement change of a drill hole caused by crustal stress change or solid tide change, the relative micro-displacement change at two sides of a crustal active fault, the relative micro-displacement change between two points of the crustal caused by deformation of the crustal and the like are frequently and precisely observed. In these observations, a fully functional precision micro-displacement measuring sensor is required. In the existing measuring instrument, because no proper micro-displacement measuring sensor exists, the existing measuring instrument is long-term troubled by the installation, calibration and range conversion of a sensor part, the development of the measuring instrument is greatly restricted, the production, cost and performance of the measuring instrument are always difficult to better meet the requirements of actual observation work, and the construction of a corresponding platform network cannot be well developed for decades.

The retrieval publication (announcement) No. CN202048884U discloses a nanometer micro-displacement measuring sensor, and when the sensor is used, the micro-displacement measuring sensor can be simply installed in a corresponding instrument due to the adjustable length (3-5 mm) of two ends of the micro-displacement measuring sensor and the application of a pressure spring; the proposal still has the following technical defects:

although the length of the two ends of the micro displacement measuring sensor is adjustable, the adjusting range is small and inaccurate, so that a large gap is easily generated when the micro displacement measuring sensor is installed on a corresponding instrument, and the installation effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art changeover plug and not possessing the USB port that charges, not having the function of charging, it is not convenient when charging to have the electronic product that USB charges, moreover because USB socket is in the state of exposing, external dust enters into the changeover plug from the socket easily in, influences the problem of changeover plug's normal use, and the nanometer electric capacity displacement sensor measuring device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a measuring device of a nanoscale capacitance displacement sensor comprises a sensor measuring body, wherein two ends of the sensor measuring body are symmetrically and fixedly connected with a positioning mechanism;

the positioning mechanism comprises a threaded pipe, a threaded column, a supporting rod, a mounting plate and scales, one end of the threaded pipe is embedded in one end of the sensor measuring body, the threaded column is in threaded connection with the inner pipe wall of the threaded pipe, one end of the supporting rod is fixedly connected to the threaded column and is far away from one end of the sensor measuring body, the other end of the supporting rod penetrates through the threaded pipe and is far away from one end pipe orifice of the sensor measuring body, the other end of the supporting rod extends outwards and is connected with one end of the mounting plate, and the scales are fixedly arranged on the rod wall of the supporting rod along the horizontal straight line.

Preferably, the threaded column is fixedly connected with a limiting column at the center of one end close to the sensor measuring body, a bearing is fixedly sleeved on the column wall of the limiting column, limiting blocks are symmetrically and fixedly connected to the annular outer side wall of the bearing, limiting grooves are symmetrically formed in the inner wall of the threaded pipe along the horizontal straight line direction, and the limiting blocks are slidably connected in the corresponding limiting grooves.

Preferably, a plurality of reserved mounting holes are formed in the side wall of the mounting plate.

Preferably, one end of the limiting block, which is far away from the bearing, is provided with a rolling groove, rolling balls are arranged in the rolling groove, and the rolling balls are connected to the bottom of the limiting groove in a rolling manner.

Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.

Compared with the prior art, the utility model provides a nanometer capacitance displacement sensor measuring device possesses following beneficial effect:

1. this nanometer capacitance displacement sensor measuring device, through setting up the screwed pipe, the screw thread post, the bracing piece, a positioning mechanism is constituteed to mounting panel and scale, exert the turning force to the bracing piece through the mounting panel, and then drive the screw thread post at the screwed pipe internal rotation, can change the position of screw thread post in the screwed pipe, thereby measure the distance between the body to mounting panel and sensor and make the adjustment, the instruction of scale of deuterogamying, can be according to required accurate make the adjustment to mounting panel displacement distance, thereby produce the clearance when avoiding installing corresponding instrument, the installation effect has been improved.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can make the adjustment to the mounting panel displacement according to required accurate to produce the clearance when avoiding installing corresponding instrument, improved the installation effect.

Drawings

Fig. 1 is a schematic structural diagram of a measuring device of a nanoscale capacitance displacement sensor according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the sensor measuring device comprises a sensor measuring body 1, a position adjusting mechanism 2, a threaded pipe 21, a threaded column 22, a supporting rod 23, a mounting plate 24, scales 25, a limiting column 3, a bearing 4, a limiting block 5, a limiting groove 6, a ball 7, a reserved mounting hole 8 and a rolling groove 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a measuring device of a nanoscale capacitive displacement sensor comprises a sensor measuring body 1, wherein two ends of the sensor measuring body 1 are symmetrically and fixedly connected with positioning mechanisms 2;

the position adjusting mechanism 2 comprises a threaded pipe 21, a threaded column 22, a support rod 23, a mounting plate 24 and scales 25, one end of the threaded pipe 21 is embedded in one end of the sensor measuring body 1, the threaded column 22 is in threaded connection with the inner pipe wall of the threaded pipe 21, one end of the support rod 23 is fixedly connected with one end, far away from the sensor measuring body 1, of the threaded column 22, the other end of the support rod 23 penetrates through a pipe orifice at one end, far away from the sensor measuring body 1, of the threaded pipe 21, extends outwards and is connected with one end of the mounting plate 24, the scales 25 are fixedly arranged on the rod wall of the support rod 23 along the horizontal straight line direction, the support rod 23 is applied with rotating force through the mounting plate 24 to drive the threaded column 22 to rotate in the threaded pipe 21, the position of the threaded column 22 in the threaded pipe 21 can be changed, so that the distance between the mounting plate 24 and, the moving distance of the mounting plate 24 can be accurately adjusted according to requirements, so that gaps are prevented from being generated when the mounting plate is mounted on a corresponding instrument, and the mounting effect is improved.

Threaded post 22 is close to the sensor and measures spacing post 3 of one end center department fixedly connected with of body 1, fixed cover has connect bearing 4 on spacing post 3's the column wall, symmetry fixedly connected with stopper 5 on bearing 4's the annular lateral wall, spacing groove 6 has been seted up along horizontal linear direction symmetry on the inner wall of screwed pipe 21, stopper 5 sliding connection is in the spacing groove 6 that corresponds, drive stopper 5 through spacing post 3 and bearing 4 and move in spacing groove 6 when threaded post 22 removes, stopper 5 moving range in spacing groove 6 is the moving range of threaded post 22, only rotate at bearing 4's inner circle when threaded post 22 rotates simultaneously, prevent that threaded post 22 from unscrewing screwed pipe 21.

A plurality of reserved mounting holes 8 are formed in the side wall of the mounting plate 24, and the mounting plate 24 and corresponding instruments can be conveniently mounted.

The rolling groove 9 has been seted up to the one end that stopper 5 kept away from bearing 4, is equipped with rolling ball 7 in the rolling groove 9, and ball 7 roll connection receives frictional resistance at the tank bottom of spacing groove 6 when reducing stopper 5 and moving in spacing groove 6.

The ball 7 has a larger diameter than the groove of the rolling groove 9 to prevent the ball 7 from slipping out of the rolling groove 7.

The utility model discloses in, exert the turning force to bracing piece 23 through mounting panel 24, and then drive screw post 22 at the screwed pipe 21 internal rotation, can change the position of screw post 22 in screwed pipe 21 to measure the distance between the body 1 and make the adjustment to mounting panel 24 and sensor, the instruction of scale 25 of deuterogamying can be according to required accurate making the adjustment to mounting panel 24 displacement, thereby produce the clearance when avoiding installing corresponding instrument, improved the installation effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A measuring device of a nanoscale capacitance displacement sensor comprises a sensor measuring body (1), and is characterized in that two ends of the sensor measuring body (1) are symmetrically and fixedly connected with a positioning mechanism (2);

the position adjusting mechanism (2) comprises a threaded pipe (21), a threaded column (22), a supporting rod (23), a mounting plate (24) and scales (25), one end of the threaded pipe (21) is embedded in one end of the sensor measuring body (1), the threaded column (22) is in threaded connection with the inner pipe wall of the threaded pipe (21), one end of the supporting rod (23) is fixedly connected to one end, far away from the sensor measuring body (1), of the threaded column (22), the other end of the supporting rod (23) penetrates through the threaded pipe (21) to be far away from the one end pipe orifice of the sensor measuring body (1), extends outwards and is connected with one end of the mounting plate (24), and the scales (25) are fixedly arranged on the pipe wall of the supporting rod (23) along the horizontal straight line direction.

2. The nanoscale capacitance displacement sensor measuring device according to claim 1, wherein a limit post (3) is fixedly connected to the threaded post (22) near the center of one end of the sensor measuring body (1), a bearing (4) is fixedly sleeved on the post wall of the limit post (3), limit blocks (5) are symmetrically and fixedly connected to the annular outer side wall of the bearing (4), limit grooves (6) are symmetrically formed in the inner wall of the threaded pipe (21) along a horizontal straight line direction, and the limit blocks (5) are slidably connected to the corresponding limit grooves (6).

3. The nanoscale capacitance displacement sensor measuring device according to claim 1, characterized in that a plurality of reserved mounting holes (8) are formed on the side wall of the mounting plate (24).

4. The nanoscale capacitance displacement sensor measuring device according to claim 2, wherein a rolling groove (9) is formed in one end, away from the bearing (4), of the limiting block (5), a rolling ball (7) is arranged in the rolling groove (9), and the rolling ball (7) is connected to the bottom of the limiting groove (6) in a rolling manner.

5. The nanoscale capacitive displacement sensor measuring device according to claim 4, characterized in that the ball diameter of the ball (7) is larger than the groove diameter of the notch of the rolling groove (9).