CN215528778U

CN215528778U - Motor potentiometer used in acid-resistant environment

Info

Publication number: CN215528778U
Application number: CN202121358304.7U
Authority: CN
Inventors: 冷国强; 王金城
Original assignee: Spirid Tianjin Machinery Technology Co ltd
Current assignee: Spirid Tianjin Machinery Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-14
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a motor potentiometer used in an acid-resistant environment, which comprises a shell, wherein a bottom plate is rotatably arranged at the bottom of the shell, a fixed support is arranged in the shell in a penetrating manner, when a device is used for wiring, a wiring box is fixedly arranged on one side wall of the shell, a wiring rod is movably arranged in the wiring box, an electric wire is wound in a wire groove on the wiring rod, then a rotary disc is rotated to drive the wiring rod to move towards a cavity, so that a clamping plate is in threaded connection with the end part of the wiring box, the electric wire is inserted into the cavity through the wiring rod, when the end part of the shell is opened for cleaning, the bottom plate is arranged at the bottom of the shell through a hinge shaft, one side of the shell is connected through a limiting block at the end part of the bottom plate, a clamping tooth is pushed through a compression spring in one end of the limiting block, and the tooth groove is in an arc state, so that the clamping tooth is clamped in a tooth groove in the limiting groove, so that the bottom plate and the shell can be opened and closed.

Description

Motor potentiometer used in acid-resistant environment

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a motor potentiometer used in an acid-resistant environment.

Background

The motor potentiometer is a motor position sensor and is mainly used for measuring and feeding back a set position of a motor, under the working conditions of some special salt mist/weak acid severe environments, the motor can be installed in a sealed space for ensuring the corrosion resistance, the temperature of the sealed space can be rapidly increased due to the frequent use of the motor, and the conventional resistance type potentiometer can cause the resistance value of an element to change due to high temperature, so that the precision of the potentiometer is influenced, and the action of an execution element cannot be accurately controlled.

The utility model discloses a chinese utility model patent (publication No. CN 210486786U) a combined potentiometer, including the potentiometer body, the upper end of the inside of the potentiometer body is rotated and connected with the measurement pivot, the potentiometer body surface is provided with the external screw thread, the potentiometer body lower extreme is provided with the combined cover, the inside wall at combined cover edge is provided with the internal thread, the potentiometer body and combined cover carry out fixed connection through external screw thread and internal thread, one end of the inside of combined cover is fixed with the first spring; through being provided with combined cover, stopper, first spring, thermovent and heat conduction insulation silica gel, be convenient for open and shut the one end of potentiometre body.

Current potentiometer is mostly the integral type structure, wants to comparatively troublesome when maintaining the dismantlement to its inboard, influences the efficiency of maintaining, and it is inconvenient with outside wire connection that the metal lug that the casing one side was passed through to the potentiometer more in addition, and the result of use is not good, and we propose an acid-proof environment for this reason and use motor potentiometer to be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor potentiometer used in an acid-resistant environment to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a motor potentiometer used in an acid-resistant environment comprises a shell, wherein a bottom plate is rotatably arranged at the bottom of the shell, and a fixed support penetrates through the shell;

one side the fixed bolster middle part fixed mounting decelerator, and decelerator's one end rigid coupling measures the pivot, one side of measuring the pivot is fixed and is equipped with signal generation device, and one side fixed mounting of signal generation device sets up adjusting device, it includes signal input gear to set up adjusting device.

And a junction box is fixedly arranged on one side of the shell.

Preferably, a hinge shaft is fixedly arranged at the joint of the shell and the bottom plate, the inner wall of the bottom plate is fixedly connected with insulating silica gel, and a limiting block is fixedly arranged at the other end of the bottom plate.

Preferably, a limiting groove is formed in one end of the shell, a tooth groove is formed in the end portion of the limiting groove, the limiting block is movably clamped in the limiting groove, clamping teeth are movably arranged on two side portions of the end of the limiting block, connecting pieces are fixedly arranged at the bottom ends of the clamping teeth, compression springs are fixedly arranged between the connecting pieces, and the clamping teeth are movably clamped in the tooth groove.

Preferably, a cavity is formed in the junction box, a fixing plate is fixedly installed at the bottom of the cavity, a movable shaft is movably arranged on the side wall of the cavity, the outer ring of the movable shaft is fixedly connected with one end of an elastic sheet, and a pushing spring is fixedly installed between the side wall of the other end of the elastic sheet and the fixing plate.

Preferably, the junction box is internally and movably provided with a junction pole, a wire groove is formed in the junction pole, a turntable is fixedly arranged at one end of the junction pole, and a parallel clamping plate is fixedly arranged on one side of the turntable.

Preferably, the outer wall of the clamping plate is provided with threads, the clamping plate is connected with the junction box through the threads, and the other end of the junction pole is movably connected with the elastic piece.

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

a bottom plate is arranged at the bottom of the shell through a hinge shaft, one side of the shell is connected through a limiting block at the end part of the bottom plate, the latch is pushed through a compression spring inside one end of the limiting block, and the tooth socket is in an arc state, so that the latch is clamped in the tooth socket inside the limiting groove, the connection between the bottom plate and the shell is realized, and the end part of the shell is convenient to open and inspect;

at a casing lateral wall fixed mounting terminal box, and the inside movable mounting terminal rod of terminal box, with the electric wire winding in the wire casing on the terminal rod, rotatory carousel drives the terminal rod afterwards and removes in to the cavity to make the cardboard carry out threaded connection with the tip of terminal box, thereby make the wiring more convenient, quick.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in the present invention;

FIG. 3 is a schematic view of the installation structure of the terminal post of the present invention.

In the figure: 1. a housing; 11. fixing a bracket; 2. measuring the rotating shaft; 3. a reduction gear; 4. a signal generating device; 5. setting an adjusting device; 6. a signal input gear; 7. a base plate; 70. insulating silica gel; 71. a hinge shaft; 72. a limiting block; 720. clamping teeth; 721. a compression spring; 722. connecting sheets; 73. a limiting groove; 730. a tooth socket; 8. a junction box; 81. a chamber; 82. a movable shaft; 821. a spring plate; 83. a fixing plate; 830. a push spring; 9. a wire connecting rod; 91. a wire way; 93. clamping a plate; 93. a turntable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a motor potentiometer used in an acid-resistant environment comprises a shell 1, a bottom plate 7 is rotatably arranged at the bottom of the shell 1, and a fixed support 11 penetrates through the shell 1;

the middle part of the fixing support 11 on one side is fixedly provided with the speed reducing device 3, one end of the speed reducing device 3 is fixedly connected with the measuring rotating shaft 2, one side of the measuring rotating shaft 2 is fixedly provided with the signal generating device 4, one side of the signal generating device 4 is fixedly provided with the adjusting device 5, and the adjusting device 5 comprises a signal input gear 6.

A junction box 8 is fixedly arranged on one side of the shell 1.

A hinge shaft 71 is fixedly arranged at the joint of the shell 1 and the bottom plate 7, the inner wall of the bottom plate 7 is fixedly connected with insulating silica gel 70, and a limit block 72 is fixedly arranged at the other end of the bottom plate 7.

Limiting groove 73 is seted up to casing 1's one end, and tooth's socket 730 is seted up to limiting groove 73 tip, and stopper 72 activity joint is in limiting groove 73, and the both sides portion activity of stopper 72 end is equipped with latch 720, and the outside of latch 720 is circular-arc, and the bottom mounting of latch 720 is equipped with connection piece 722, and fixedly between the connection piece 722 is equipped with compression spring 721, and latch 720 activity joint is in tooth's socket 730.

A cavity 81 is formed in the junction box 8, a fixing plate 83 is fixedly installed at the bottom of the cavity 81, a movable shaft 82 is movably arranged on the side wall of the cavity 81, one end of an elastic sheet 821 is fixedly connected to the outer ring of the movable shaft 82, and a pushing spring 830 is fixedly installed between the side wall of the other end of the elastic sheet 821 and the fixing plate 83.

Junction box 8 inside movable mounting terminal rod 9, and set up wire way 91 on the terminal rod 9, the one end fixed mounting carousel 93 of terminal rod 9, and the fixed cardboard 92 that is equipped with the parallel of one side of carousel 93.

The outer wall of the clamping plate 92 is provided with threads, the clamping plate 92 is connected with the junction box 8 through the threads, and the other end of the connecting rod 9 is movably connected with the elastic piece 821.

The working principle is as follows: when the device is used normally, the potentiometer is installed on the motor through the fixed support 11, the motor output gear is connected to the speed reducer 3, the speed of the motor is reduced to the rotating speed required by the system, the speed reducer 3 drives the signal input main shaft with the same speed ratio and the signal input gear 6 to rotate, the signal input gear 6 triggers the signal generating device 4 to send out a switching value signal and feed back the switching value signal to the host control system, the host control system executes corresponding action according to the received switching value signal, and the adjusting device is arranged to set an initial feedback position point of the motor rotation; when the device is used for wiring, the junction box 8 is fixedly installed on one side wall of the shell 1, the junction box 9 is movably installed inside the junction box 8, electric wires are wound in the electric wire grooves 91 on the junction box 9, then the rotary turntable 93 drives the junction box 9 to move into the cavity 81, and therefore the clamping plates 92 are in threaded connection with the end portion of the junction box 8, at the moment, the electric wires are inserted into the cavity 81 through the junction box 9, when the end portion of the shell 1 is opened for cleaning, the bottom plate is installed at the bottom of the shell 1 through the hinge shaft 71, one side of the shell 1 is connected through the limiting blocks at the end portions of the bottom plate 7, the clamping teeth 720 are pushed through the compression springs 721 inside one ends of the limiting blocks 72, the tooth grooves 730 are in an arc state, the clamping teeth 720 are clamped in the tooth grooves 720 inside the limiting grooves 730, and the opening and closing between the bottom plate 7 and the shell 1 can be achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an acid-proof environment uses motor potentiometer, includes casing (1), mounting plate (7) are rotated to casing (1) bottom, it is equipped with fixed bolster (11), its characterized in that to run through in casing (1):

the middle part of the fixed support (11) on one side is fixedly provided with a speed reducing device (3), one end of the speed reducing device (3) is fixedly connected with a measuring rotating shaft (2), one side of the measuring rotating shaft (2) is fixedly provided with a signal generating device (4), one side of the signal generating device (4) is fixedly provided with an adjusting device (5), and the adjusting device (5) comprises a signal input gear (6);

and a junction box (8) is fixedly arranged on one side of the shell (1).

2. The potentiometer according to claim 1, wherein the potentiometer comprises: the connecting part of the shell (1) and the bottom plate (7) is fixedly provided with a hinge shaft (71), the inner wall of the bottom plate (7) is fixedly connected with insulating silica gel (70), and the other end of the bottom plate (7) is fixedly provided with a limiting block (72).

3. The potentiometer according to claim 1, wherein the potentiometer comprises: spacing groove (73) are seted up to the one end of casing (1), and tooth's socket (730) are seted up to spacing groove (73) tip, stopper (72) activity joint is in spacing groove (73), the both sides portion activity of stopper (72) end is equipped with latch (720), the bottom mounting of latch (720) is equipped with connection piece (722), and fixedly between connection piece (722) is equipped with compression spring (721), latch (720) activity joint is in tooth's socket (730).

4. The potentiometer according to claim 1, wherein the potentiometer comprises: set up cavity (81) in terminal box (8), and cavity (81) bottom fixed mounting fixed plate (83), the activity is equipped with loose axle (82) on the lateral wall of cavity (81), and rigid coupling spring leaf (821)'s one end on the outer lane of loose axle (82), and fixed mounting between the lateral wall of the spring leaf (821) other end and fixed plate (83) promotes spring (830).

5. The potentiometer according to claim 1, wherein the potentiometer comprises: junction box (8) inside movable mounting junction pole (9), and set up wire way (91) on junction pole (9), one end fixed mounting carousel (93) of junction pole (9), and one side of carousel (93) is fixed and is equipped with parallel cardboard (92).

6. The potentiometer according to claim 5, wherein the potentiometer comprises: the outer wall of the clamping plate (92) is provided with threads, the clamping plate (92) is connected with the junction box (8) through the threads, and the other end of the connecting rod (9) is movably connected with the elastic sheet (821).