CN214425248U

CN214425248U - Induction device for valve signal transmitter

Info

Publication number: CN214425248U
Application number: CN202022979841.5U
Authority: CN
Inventors: 莫荣; 张国灵
Original assignee: Shenzhen Morc Controls Co ltd
Current assignee: Shenzhen Morc Controls Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-10-19
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses an induction system for valve transponder, including first casing and second casing, it holds the cavity to form one between first casing and the second casing, hold inside electric induction switch and the axis body of being provided with of cavity, the through-hole has been seted up to the middle part of first casing, the axis body passes the through-hole, be connected with the first end of electric induction piece on the axis body, the second end of electric induction piece set up in the horizontal position at electric induction switch's electric induction district place, the utility model discloses a be provided with electric induction switch and electric induction piece, replace the mechanical switch among the prior art, realize the induction type switch, can reach no mechanical loss, longer effect of life.

Description

Induction device for valve signal transmitter

Technical Field

The utility model relates to a mechanical transmission technical field specifically is an induction system for valve echo ware.

Background

The valve echo device is a field instrument for feeding back the position of the valve in an automatic system, is used for detecting and monitoring the movement position of a piston in the valve or other actuating mechanisms, has the characteristics of compact mechanism, reliable quality, stable output performance and the like, and is widely applied.

In the prior art, the valve transponder mainly rotates the transmission shaft through the coaxial connecting piece or the feedback rod, and the cam touches the microswitch, so that the contact of the switch component is closed or opened, a switching value signal is transmitted to the outside through the wiring terminal and is displayed on the spot through the indicator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an induction system for valve echo ware to solve and propose among the above-mentioned background art: the valve transponder mainly makes the transmission shaft produce the rotation through coaxial connector or feedback rod, lets the cam touch the micro-switch to make the contact of switch module closed or break off, through binding post outside transmission switching value signal to show on the spot through the indicator, this kind of induction mode is mechanical type induction, after long-time use, often can produce mechanical loss, long service life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an induction system for valve transponder, includes first casing and second casing, form one between first casing and the second casing and hold the cavity, hold inside electric induction switch and the axis body of being provided with of cavity, the through-hole has been seted up to the middle part of first casing, the axis body passes the through-hole, be connected with the first end of electric induction piece on the axis body, the second end of electric induction piece set up in the horizontal position that electric induction switch's electric induction district belonged to.

Preferably, the second shell side is provided with a wire through hole.

Preferably, the number of the wire through holes is two, and the side wall of the wire through hole is provided with a thread for threaded connection.

Preferably, a gear assembly is further arranged on the shaft body, the gear assembly comprises a first internal gear, a second internal gear and an external gear, the external gear is arranged between the first internal gear and the second internal gear, and the external gear is respectively in meshed connection with the first internal gear and the second internal gear.

Preferably, a limiting column is arranged on the shaft body, the external gear is provided with a through hole matched with the limiting column, and the external gear is fixed on the shaft body through the limiting column.

Preferably, the electric induction piece comprises a first electric induction piece and a second electric induction piece, a first end of the first electric induction piece and a first end of the second electric induction piece are respectively and fixedly connected with the first internal gear and the second internal gear, and a second end of the first electric induction piece and a second end of the second electric induction piece are both arranged at a horizontal position where an electric induction area of the electric induction switch is located.

Preferably, the electric induction switch is fixedly arranged on the bottom surface of the second shell inside the accommodating cavity through screws.

Compared with the prior art, the utility model discloses an induction system for valve echo ware has following beneficial effect: the induction mode of a mechanical switch in the prior art is replaced by the electric induction switch and the electric induction sheet, the second end of the electric induction sheet is driven to rotate at the horizontal position of the electric induction area of the electric induction switch when the shaft body rotates, so that the induction switch is realized, no mechanical loss is caused, and the service life is longer.

Drawings

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

FIG. 2 is a schematic view of the slicing structure of the present invention sliced according to slicing line A-A of FIG. 1;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

fig. 5 is a schematic structural view of the gear assembly of the present invention;

fig. 6 is a schematic diagram of the position of the limit post of the present invention.

In the figure:

100. a first housing; 200. a second housing; 210. a wire through hole; 300. an accommodating cavity; 400. an electrical inductive switch; 410. an electric induction region; 500. a shaft body; 510. a first internal gear; 520. a second internal gear; 530. an outer gear; 540. a limiting column; 610. a first electric induction sheet; 620. a second electrically inductive patch.

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 one embodiment of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, the housing includes a first housing 100 and a second housing 200, and a receiving cavity 300 is formed between the first housing 100 and the second housing 200, wherein an inductive switch 400 and a shaft 500 are disposed inside the receiving cavity 300, a through hole is disposed at a middle portion of the first housing 100, the shaft 500 passes through the through hole, a first end of an inductive sheet is connected to the shaft 500, and a second end of the inductive sheet is disposed at a horizontal position of an inductive region 410 of the inductive switch 400, it can be understood that the inductive switch is a slot-type photoelectric switch, which is one of a corresponding-type photoelectric switch, also called a U-type photoelectric switch, and is an infrared-sensing photoelectric product, which is formed by combining an infrared transmitting tube and an infrared receiving tube, and a slot width determines a distance between a strength of a sensing receiving type and a receiving signal, using light as a medium, the infrared light between the light-emitting body and the light-receiving body is used for receiving and converting, the position of an object is detected, the electric induction area 410 is a groove part of the groove-type photoelectric switch, the groove-type photoelectric switch is also in a non-contact mode in the proximity switch, and when the shaft body 500 rotates, the second end of the electric induction sheet is driven to rotate at the horizontal position of the electric induction area 410 of the electric induction switch 400, so that the induction switch is realized, the effects of no mechanical loss and long service life are achieved.

In one embodiment, the second housing 200 is provided at a side thereof with a wire through-hole 210 for passing an external electric wire into the receiving cavity 300 through the wire through-hole 210.

Further, as shown in fig. 2, two wire through holes 210 are provided, the side wall of the wire through hole 210 is provided with threads for threaded connection, one of the two wire through holes 210 is used for standby, if a valve transponder is required to be installed at some corners, one of the wire through holes 210 may be blocked by an obstacle, and at this time, the other wire through hole 210 may be used, so that the use is more convenient for users and the experience is better.

In one embodiment, the shaft body 500 is further provided with a gear assembly, the gear assembly comprises a first inner gear 510, a second inner gear 520, and an outer gear 530, the outer gear 530 is disposed between the first inner gear 510 and the second inner gear 520, the outer gear 530 is engaged with the first inner gear 510 and the second inner gear 520 respectively, wherein the shaft body 500 is provided with a limit post 540, the outer gear 530 is provided with a through hole matched with the limit post 540, the outer gear 530 is fixed on the shaft body 500 through the limit post 540, when the shaft body 500 rotates, the shaft body 500 drives the outer gear 530 to rotate, the outer gear is engaged with the first inner gear 510 and the second inner gear 520 to drive the first inner gear 510 and the second inner gear 520 to rotate, the engagement of the gear assembly structure makes the rotation of the gear assembly more stable, and when the gear assembly needs to be disassembled and maintained, the first inner gear 510 can be directly taken out, and when the first inner gear 510 needs to be installed, the first inner gear 510 is directly placed on the outer gear 530, so that the use is more convenient and faster.

Further, the electric sensing piece includes a first electric sensing piece 610 and a second electric sensing piece 620, a first end of the first electric sensing piece 610 and a first end of the second electric sensing piece 620 are respectively and fixedly connected to the first inner gear 510 and the second inner gear 520, a second end of the first electric sensing piece 610 and a second end of the second electric sensing piece 620 are both disposed at a horizontal position where the electric sensing area 410 of the electric sensing switch 400 is located, when the first inner gear 510 and the second inner gear 520 rotate, the second end of the first electric sensing piece 610 and the second end of the second electric sensing piece 620 are driven to rotate at the horizontal position where the electric sensing area is located, and the second end of the first electric sensing piece 610 and the second end of the second electric sensing piece 620 are continuously close to and far away from the electric sensing area 610, so that an electric sensing effect is achieved.

Further, the electric inductive switch 400 is fixed to the bottom surface of the second housing 200 inside the accommodating cavity by screws, and the screws enable the electric inductive switch 400 to be more easily disassembled when needing to be replaced or repaired.

The utility model discloses during the in-service use, the axis of rotation of axis body 500 and outside valve locator, the axis of rotation of valve locator drives axis body 500 and rotates, at 500 pivoted in-processes of axis body, the rotation is followed to the electric sensing piece on the axis body 500, thereby electric sensing piece pivoted in-process constantly reaches electric sensing switch's effect through electric sensing district 410 of electric sensing switch 400.

The details of the present invention are well known to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an induction system for valve transponder, includes first casing (100) and second casing (200), it holds cavity (300) to form one between first casing (100) and second casing (200), its characterized in that, it is provided with electric induction switch (400) and axis body (500) to hold cavity (300) inside, the through-hole has been seted up to the middle part of first casing (100), axis body (500) pass the through-hole, be connected with the first end of electric induction piece on axis body (500), the second end of electric induction piece set up in the horizontal position that electric induction zone (410) of electric induction switch (400) were located.

2. The sensing device of claim 1, wherein the second housing (200) is provided with a wire through hole (210) at a side thereof.

3. The sensing device for the valve transponder as claimed in claim 2, wherein the two lead through holes (210) are provided, and the side wall of the lead through hole (210) is provided with a thread for screw coupling.

4. The sensing device for the valve transponder according to claim 1, wherein a gear assembly is further disposed on the shaft body (500), the gear assembly includes a first internal gear (510), a second internal gear (520), and an external gear (530), the external gear (530) is disposed between the first internal gear (510) and the second internal gear (520), and the external gear (530) is engaged with the first internal gear (510) and the second internal gear (520), respectively.

5. The sensing device of claim 4, wherein the shaft body (500) is provided with a limit post (540), the external gear (530) is provided with a through hole matched with the limit post (540), and the external gear (530) is fixed on the shaft body (500) through the limit post (540).

6. The sensing device for the valve transponder according to claim 4, wherein the electric sensing piece comprises a first electric sensing piece (610) and a second electric sensing piece (620), a first end of the first electric sensing piece (610) and a first end of the second electric sensing piece (620) are respectively and fixedly connected with the first inner gear (510) and the second inner gear (520), and a second end of the first electric sensing piece (610) and a second end of the second electric sensing piece (620) are both disposed at a horizontal position where the electric sensing area (410) of the electric sensing switch (400) is located.

7. The sensing device of claim 1, wherein the electric switch (400) is fixed to the bottom surface of the second housing (200) inside the receiving cavity by screws.