CN213335949U

CN213335949U - Novel displacement sensor

Info

Publication number: CN213335949U
Application number: CN202022715475.2U
Authority: CN
Inventors: 周毅; 李立强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-01
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a novel displacement sensor, the protective housing comprises a protective housing, the both sides of protective housing are fixed with first sealed lid and the sealed lid of second respectively, first sealed covering rotates and is connected with the lead screw, the lead screw has first sleeve through threaded connection, first telescopic side is fixed with the fixed plate, the side of fixed plate is fixed with the guiding axle, first telescopic one end is fixed with the knob is kept away from to the lead screw, install guiding mechanism between fixed plate and the first sealed lid, sealed covering of second is fixed with the sliding sleeve, the inside sliding connection of sliding sleeve has the measuring stick, the one end of measuring stick inserts the inside of protective housing and passes through spline and guiding axle sliding connection. The utility model has simple structure and convenient use, has certain shock absorption capacity after the installation, reduces the micro-vibration and reduces the error of the experimental result; meanwhile, the measuring rod is convenient to use in different environments, and the flexibility of use is improved.

Description

Novel displacement sensor

Technical Field

The utility model relates to a displacement sensor technical field especially relates to a novel displacement sensor.

Background

The displacement sensor is also called as a linear sensor, and is a metal-induced linear device, and the sensor is used for converting various measured physical quantities into electric quantities. In the production process, the measurement of displacement is generally divided into measurement of physical size and mechanical displacement. The displacement sensor can be divided into an analog type and a digital type according to the conversion form of the measured variable. The analog type can be classified into physical type and structural type.

The existing displacement sensor is complex in structure, and a signal transmission part is arranged in an open mode, so that dust is easily contaminated in the device when the displacement sensor is used for a long time, the transmission of electric signals is influenced, jumping and large errors can occur to digital signals transmitted to a computer, and the use of the displacement sensor is insufficient.

SUMMERY OF THE UTILITY MODEL

In order to solve displacement sensor structure complicacy among the prior art to the signal transmission part is uncovered setting, and this has just leaded to installing inside very easily being infected with the dust when using for a long time, influences signal of telecommunication transmission, and the problem of beating and great error can appear in the digital signal who transmits in the computer, the utility model provides a novel displacement sensor.

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

a novel displacement sensor comprises a protective shell, wherein a first sealing cover and a second sealing cover are respectively fixed on two sides of the protective shell, a lead screw is rotatably connected onto the first sealing cover, the lead screw is connected with a first sleeve through threads, a fixed plate is fixed on the side surface of the first sleeve, a guide shaft is fixed on the side surface of the fixed plate, a knob is fixed at one end of the lead screw, which is far away from the first sleeve, a guide mechanism is installed between the fixed plate and the first sealing cover, a sliding sleeve is fixed on the second sealing cover, a measuring rod is slidably connected inside the sliding sleeve, one end of the measuring rod is inserted into the protective shell and is slidably connected with the guide shaft through a spline, a rack is fixed at the top of the measuring rod, a support leg mechanism is installed at the bottom of the protective shell, a protective cover is fixed at the top of the protective shell, and a gear, the inside of protection casing is fixed with the protective cover, brush and plug are installed respectively to the both sides of protective cover, the both ends and the gear rotation of brush are connected, the top of protective housing runs through there is the adapter sleeve, the gear run through the adapter sleeve and with rack toothing transmission.

Preferably, the guide mechanism comprises a second sleeve fixed on the side surface of the fixed plate, a connecting rod is connected inside the second sleeve in a sliding manner, and the connecting rod is fixed with the first sealing cover.

Preferably, the connecting rod is a T-shaped rod, and a first spring is arranged between the side face of the connecting rod and the second sleeve.

Preferably, a fixing ring is fixed at one end, far away from the guide shaft, of the measuring rod, a second spring is installed between the fixing ring and the second sealing cover, and the second spring is sleeved on the measuring rod.

Preferably, the supporting leg mechanism comprises a main support fixed with the protective shell, locking bolts are connected to two ends of the main support through threads, a limiting ring is fixedly sleeved at the bottom of each locking bolt, and an auxiliary support is connected between each limiting ring and the main support in a sliding mode.

Preferably, a third spring is installed between the main support and the auxiliary support, and the third spring is sleeved on the locking bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the utility model is installed, firstly, the limiting ring rotates on the locking bolt through rotating the limiting ring, the third spring is deformed by extruding the auxiliary support, the third spring generates elasticity to enable the main support and the auxiliary support to be more stable, then the support leg mechanism is fixed at a working place through the locking bolt, after the installation is finished, the third spring enables the auxiliary support to be tightly attached to an installation part through extruding the auxiliary support, the installation stability is improved, the device has certain damping capacity, the micro vibration is reduced, and the error of an experimental result is reduced;

2. the utility model discloses rotatory knob when the adjustment, the knob drives the lead screw and rotates, and the lead screw drives first sleeve through screw transmission, and first sleeve drives the fixed plate along the axial motion of lead screw, and the fixed plate drives the second sleeve and slides along the axial of connecting rod in this process, and the fixed plate drives the guiding axle and slides in the measuring stick, through the range of the position adjustment measuring stick of adjustment fixed plate, the measuring stick of being convenient for uses under different environment, has improved but the flexibility of using;

3. the utility model discloses after the installation adjustment finishes, with the fixed object that awaits measuring of one end of measuring stick, install the computer through the plug afterwards, when the object that awaits measuring takes place the motion, the object that awaits measuring drives the measuring stick motion, the measuring stick drives the rack motion, the rack makes the gear revolve through the meshing transmission with the gear, the brush detects the number of turns of rotation of gear and transmits it to the computer, operating personnel can read the displacement data of the object that awaits measuring according to the computer, it is very convenient to use;

in conclusion, the utility model has the advantages of simple structure and convenient use, has certain damping capacity after the installation, reduces the micro vibration, and reduces the error of the experimental result; meanwhile, the measuring rod is convenient to use in different environments, and the flexibility of use is improved.

Drawings

Fig. 1 is a schematic structural diagram of a novel displacement sensor provided by the present invention;

fig. 2 is a cross-sectional view of a protective cover of a novel displacement sensor provided by the invention;

fig. 3 is an enlarged schematic view of a portion a of a novel displacement sensor provided by the present invention;

fig. 4 is a cross-sectional view of the supporting leg mechanism of the novel displacement sensor provided by the present invention.

In the figure: the device comprises a protective shell 1, a first sealing cover 2, a knob 3, a lead screw 4, a first sleeve 5, a guide mechanism 6, a second sleeve 61, a connecting rod 62, a first spring 63, a fixing plate 7, a guide shaft 8, a second sealing cover 9, a measuring rod 10, a fixing ring 11, a second spring 12, a rack 13, a leg mechanism 14, a main bracket 141, a locking bolt 142, a limiting ring 143, a secondary bracket 144, a third spring 145, a protective cover 15, a gear 16, an electric brush 17, a protective cover 18, a plug 19 and a connecting sleeve 20.

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.

Referring to fig. 1-4, a novel displacement sensor comprises a protective shell 1, a first sealing cover 2 and a second sealing cover 9 are respectively fixed on two sides of the protective shell 1, a lead screw 4 is rotatably connected on the first sealing cover 2, the lead screw 4 is connected with a first sleeve 5 through a thread, a fixed plate 7 is fixed on the side surface of the first sleeve 5, a guide shaft 8 is fixed on the side surface of the fixed plate 7, a knob 3 is fixed on one end of the lead screw 4 away from the first sleeve 5, a guide mechanism 6 is installed between the fixed plate 7 and the first sealing cover 2, a sliding sleeve is fixed on the second sealing cover 9, a measuring rod 10 is slidably connected inside the sliding sleeve, one end of the measuring rod 10 is inserted into the protective shell 1 and is slidably connected with the guide shaft 8 through a spline, a rack 13 is fixed on the top of the measuring rod 10, a support leg mechanism 14 is installed on the bottom of the, the inside of protection casing 15 rotates and is connected with gear 16, and the inside of protection casing 15 is fixed with protective cover 18, and the brush 17 and plug 19 are installed respectively to the both sides of protective cover 18, and the both ends of brush 17 rotate with gear 16 to be connected, and the top of protective housing 1 runs through there is adapter sleeve 20, and gear 16 runs through adapter sleeve 20 and meshes the transmission with rack 13.

In one embodiment, the guiding mechanism 6 includes a second sleeve 61 fixed on the side of the fixed plate 7, a link 62 is slidably connected inside the second sleeve 61, and the link 62 is fixed with the first sealing cover 2.

In one embodiment, the link 62 is a T-shaped rod, and a first spring 63 is installed between a side surface of the link 62 and the second sleeve 61.

In one embodiment, a fixing ring 11 is fixed to an end of the measuring rod 10 away from the guide shaft 8, a second spring 12 is installed between the fixing ring 11 and the second sealing cover 9, and the second spring 12 is sleeved on the measuring rod 10.

In one embodiment, the leg mechanism 14 includes a main bracket 141 fixed to the protective casing 1, a locking bolt 142 is screwed to each end of the main bracket 141, a limiting ring 143 is fixedly sleeved on the bottom of the locking bolt 142, and a secondary bracket 144 is slidably connected between the limiting ring 143 and the main bracket 141.

In one embodiment, a third spring 145 is installed between the main bracket 141 and the sub-bracket 144, and the third spring 145 is sleeved on the locking bolt 142.

The working principle is as follows: during installation, firstly, the limiting ring 143 is rotated on the locking bolt 142, the limiting ring 143 extrudes the auxiliary support 144 to enable the third spring 145 to generate deformation, the third spring 145 generates elastic force to enable the main support 141 and the auxiliary support 144 to be more stable, then the supporting leg mechanism 14 is fixed on a working place through the locking bolt 142, and after the installation is finished, the third spring 145 extrudes the auxiliary support 144 to enable the auxiliary support 144 to be tightly attached to an installation part, so that the installation stability is improved, the device has certain shock absorption capacity, the micro-vibration is reduced, and the error of an experimental result is reduced;

during adjustment, the knob 3 is rotated, the knob 3 drives the screw rod 4 to rotate, the screw rod 4 drives the first sleeve 5 through thread transmission, the first sleeve 5 drives the fixing plate 7 to move along the axial direction of the screw rod 4, the fixing plate 7 drives the second sleeve 61 to slide along the axial direction of the connecting rod 62 in the process, the fixing plate 7 drives the guide shaft 8 to slide in the measuring rod 10, the measuring range of the measuring rod 10 is adjusted by adjusting the position of the fixing plate 7, the measuring rod 10 is convenient to use in different environments, and the using flexibility is improved;

after the device is installed and adjusted, an object to be measured is fixed at one end of the measuring rod 10, then the computer is installed through the plug 19, when the object to be measured moves, the object to be measured drives the measuring rod 10 to move, the measuring rod 10 drives the rack 13 to move, the rack 13 enables the gear 16 to rotate through meshing transmission with the gear 16, the electric brush 17 detects the number of rotation turns of the gear 16 and transmits the number of rotation turns to the computer, an operator can read displacement data of the object to be measured according to the computer, and the computer is very convenient to use;

in conclusion, the utility model has the advantages of simple structure and convenient use, has certain damping capacity after the installation, reduces the micro vibration, and reduces the error of the experimental result; meanwhile, the measuring rod 10 is convenient to use in different environments, and the flexibility of use is improved.

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. The novel displacement sensor comprises a protective shell (1) and is characterized in that a first sealing cover (2) and a second sealing cover (9) are fixed on two sides of the protective shell (1) respectively, a lead screw (4) is connected to the first sealing cover (2) in a rotating manner, the lead screw (4) is connected with a first sleeve (5) through threads, a fixed plate (7) is fixed on the side surface of the first sleeve (5), a guide shaft (8) is fixed on the side surface of the fixed plate (7), a knob (3) is fixed on one end, far away from the first sleeve (5), of the lead screw (4), a guide mechanism (6) is installed between the fixed plate (7) and the first sealing cover (2), a sliding sleeve is fixed on the second sealing cover (9), a measuring rod (10) is connected to the inside of the sliding sleeve in a sliding manner, one end of the measuring rod (10) is inserted into the protective shell (1) and is connected with the guide shaft (8) in a, the top of measuring stick (10) is fixed with rack (13), stabilizer blade mechanism (14) are installed to the bottom of protective housing (1), the top of protective housing (1) is fixed with protection casing (15), the inside rotation of protection casing (15) is connected with gear (16), the inside of protection casing (15) is fixed with protective cover (18), brush (17) and plug (19) are installed respectively to the both sides of protective cover (18), the both ends of brush (17) rotate with gear (16) and are connected, the top of protective housing (1) is run through there is adapter sleeve (20), gear (16) run through adapter sleeve (20) and with rack (13) meshing transmission.

2. A novel displacement sensor according to claim 1, characterized in that the guiding mechanism (6) comprises a second sleeve (61) fixed on the side of the fixed plate (7), a connecting rod (62) is slidably connected inside the second sleeve (61), and the connecting rod (62) is fixed with the first sealing cover (2).

3. A novel displacement sensor according to claim 2, characterized in that the link (62) is a T-shaped rod, and a first spring (63) is mounted between the side of the link (62) and the second sleeve (61).

4. The novel displacement sensor according to claim 1, characterized in that a fixing ring (11) is fixed to one end of the measuring rod (10) far away from the guide shaft (8), a second spring (12) is installed between the fixing ring (11) and the second sealing cover (9), and the second spring (12) is sleeved on the measuring rod (10).

5. The novel displacement sensor according to claim 1, wherein the support leg mechanism (14) comprises a main support (141) fixed with the protective shell (1), locking bolts (142) are connected to both ends of the main support (141) through threads, a limiting ring (143) is fixedly sleeved on the bottom of each locking bolt (142), and a secondary support (144) is slidably connected between each limiting ring (143) and the main support (141).

6. The novel displacement sensor of claim 5, wherein a third spring (145) is installed between the main bracket (141) and the auxiliary bracket (144), and the third spring (145) is sleeved on the locking bolt (142).