CN211122756U

CN211122756U - Humidity indicator

Info

Publication number: CN211122756U
Application number: CN201921712481.3U
Authority: CN
Inventors: 温建林
Original assignee: Dongguan Yibu Packaging Material Co Ltd
Current assignee: Dongguan Yibu Packaging Material Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-28
Anticipated expiration: 2029-10-12

Abstract

The utility model belongs to the technical field of humidity detection, in particular to a humidity indicator, which comprises an indicator main body and a clamp spring; the indicator main body is provided with a front surface and a back surface which are oppositely arranged, a groove for placing a humidity card is arranged on the front surface of the indicator main body, a vent hole is arranged on the bottom surface of the groove, and the vent hole is communicated with the back surface of the indicator main body; the clamp spring is clamped in the groove so as to fix the humidity card in the groove and cover the air vent; the utility model discloses directly change the humidity card from the front of indicator main part, directly accomplish the change to the humidity card in the outside of container or device, accomplish the change of humidity card under the condition of not dismantling the indicator main part, the simple operation expends time fewly.

Description

Humidity indicator

Technical Field

The utility model belongs to the technical field of humidity detects, especially, relate to a humidity indicator.

Background

Precision electronic instrument equipment etc. require very high to humidity, need carry out strict humidity control to the container or the device of placing electronic instrument, a humidity indicator appears on the market, the design is installed on container or device, place the humidity card that is used for humidity to detect in humidity indicator, so that detect the change of the relative humidity of the inner space of container or device at any time, but current humidity indicator is when changing the humidity card, need dismantle humidity indicator from container or device and just can change the humidity card, the operation is troublesome, it is many to consume time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a humidity indicator aims at solving among the prior art because of changing the humidity card troublesome poeration and lead to expending a large amount of time's technical problem.

In order to achieve the above object, an embodiment of the present invention provides a humidity indicator, which includes an indicator main body and a clamp spring; the indicator main body is provided with a front surface and a back surface which are oppositely arranged, a groove for placing a humidity card is arranged on the front surface of the indicator main body, a vent hole is arranged on the bottom surface of the groove, and the vent hole is communicated with the back surface of the indicator main body; the clamp spring is clamped in the groove so as to fix the humidity card in the groove and cover the air vent.

Optionally, the clamp spring is annular, and the outer side wall of the clamp spring is abutted to the inner side wall of the groove so that the clamp spring is clamped in the groove.

Optionally, the clamp spring is provided with a notch so that a first end and a second end are formed on the clamp spring, and the first end and the second end are close to each other so that the clamp spring is elastically deformed and separated from the inner side wall of the groove.

Optionally, the humidity indicator further comprises a gasket for pressing an outer ring of the humidity card, and the clamp spring abuts against the gasket.

Optionally, the gasket is a silicone gasket.

Optionally, the humidity indicator further comprises a positioning member, the indicator body further having a circumferential side surface, the circumferential side surface of the indicator body being located between the front surface of the indicator body and the back surface of the indicator body, the circumferential side surface of the indicator body extending outward to form a convex edge for positioning the indicator body; the positioning piece is in threaded connection with the circumferential side face of the indicator main body and is positioned between the convex edge and the back face of the indicator main body.

Optionally, the outer side wall of the positioning member is provided with stripes for improving friction.

Optionally, a clamping groove for clamping the humidity card is formed in the bottom surface of the groove.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the humidity indicator have one of following technological effect at least: the humidity indicator is arranged on a container with an electronic instrument, the front side of an indicator main body is arranged outside the container, the back side of the indicator main body is arranged in the container, a humidity card is arranged in a groove, the humidity card detects the humidity in the container through a vent hole arranged on the bottom surface of the groove, and a clamp spring is clamped in the groove to fix the humidity card; when the humidity card needs to be replaced, the clamp spring is pulled out, the old humidity card is directly taken out from the groove, a new humidity card is placed in the groove, and finally the clamp spring is clamped in the groove again to complete replacement of the humidity card; the utility model discloses directly change the humidity card from the front of indicator main part, directly accomplish the change to the humidity card in the outside of container or device, accomplish the change of humidity card under the condition of not dismantling the indicator main part, the simple operation expends time fewly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a front view of a humidity indicator according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a humidity indicator according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-indicator body 11-front 12-back

13-groove 14-vent 15-circumferential side

16-convex edge 17-clamping groove 20-transparent cover assembly

21-outer ring 22-inner ring 23-connecting part

30-washer 40-spacer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1-2, a humidity indicator is provided, which comprises an indicator main body 10 and a transparent cover 20; the indicator main body 10 is provided with a front surface 11 and a back surface 12 which are oppositely arranged, a groove 13 for placing a humidity card is arranged on the front surface 11 of the indicator main body 10, a vent 14 is arranged on the bottom surface of the groove 13, and the vent 14 is communicated with the back surface 12 of the indicator main body 10; the transparent cover member 20 is screwed into the groove 13 and covers the groove 13.

In the embodiment of the present invention, the humidity indicator is installed on a container with an electronic instrument, the front surface 11 of the indicator main body 10 is disposed outside the container, the back surface 12 of the indicator main body 10 is disposed in the container, the humidity card is disposed in the groove 13, the humidity card detects the humidity in the container through the vent 14 disposed on the bottom surface of the groove 13, and the clamp spring is clamped in the groove 13 to fix the humidity card; when the humidity card needs to be replaced, the transparent cover assembly 20 is turned, the old humidity card is directly taken out from the groove 13, a new humidity card is placed in the groove 13, and finally the transparent cover assembly 20 is turned again in the groove 13 to complete replacement of the humidity card; the utility model discloses directly change the humidity card from the front 11 of indicator main part 10, directly accomplish the change to the humidity card in the outside of container or device, accomplish the change of humidity card under the condition of not dismantling indicator main part 10, the simple operation, it is few to consume time, transparent cover closes piece 20 and connects in recess 13 through threaded connection's mode simultaneously, it is isolated with humidity card and external environment, reduce the influence of external environment to the humidity card, improve and detect the precision, stable in structure.

In another embodiment of the present invention, as shown in fig. 2, the inner sidewall of the groove 13 of the humidity indicator is provided with an internal thread; the transparent cover assembly 20 is provided with an outer ring 21, an inner ring 22 and a connecting part 23 connected between the outer ring 21 and the inner ring 22, the outer side wall of the outer ring 21 is provided with an external thread corresponding to the internal thread on the inner side wall of the groove 13, and the outer ring 21 is in threaded connection with the groove 13; the vertical section of the outer ring 21, the inner ring 22 and the connecting part 23 is convex after being connected, the outer ring 21, the inner ring 22 and the connecting part 23 are all made of transparent materials, polymethyl methacrylate or polystyrene can be selected, the outer ring 21, the inner ring 22 and the connecting part 23 are integrally machined and formed, and the structure is stable.

In another embodiment of the present invention, as shown in fig. 2, the inner ring 22 and the outer ring 21 of the humidity indicator are coaxially disposed, and the height of the top surface of the inner ring 22 is greater than the height of the top surface of the groove 13; the inner ring 22 of the transparent cover assembly 20 is held by a hand, the outer ring 21 of the transparent cover assembly 20 is turned into the groove 13, and the top surface of the inner ring 22 is higher than the top surface of the groove 13, so that the transparent cover assembly 20 is convenient to disassemble and assemble by the hand.

In another embodiment of the present invention, the humidity indicator of the humidity indicator further comprises a gasket 30 for pressing the outer ring 21 of the humidity card, the gasket 30 is disposed in the groove 13 and abuts against the transparent cover member 20; the washer 30 is additionally arranged to extrude the outer ring 21 of the humidity card, and the top surface and the bottom surface of the washer 30 are respectively abutted to the bottom surface of the transparent cover assembly 20 and the top surface of the humidity card, so that the damage caused by collision or friction between the transparent cover assembly 20 and the humidity card is reduced, and the service life of the humidity card is prolonged.

In another embodiment of the present invention, the gasket 30 of the humidity indicator is a silicone gasket; the silica gel gasket has good tensile resistance, corona resistance, arc resistance, high and low temperature resistance and good aging resistance.

In another embodiment of the present invention, as shown in fig. 1-2, the humidity indicator of the humidity indicator further includes a positioning member 40, the indicator main body 10 further has a circumferential side surface 15, the circumferential side surface 15 of the indicator main body 10 is located between the front surface 11 of the indicator main body 10 and the back surface 12 of the indicator main body 10, and the circumferential side surface 15 of the indicator main body 10 extends outward to form a convex edge 16 for positioning the indicator main body 10; the positioning member 40 is threaded onto the circumferential side 15 of the indicator body 10 and is located between the ledge 16 and the back 12 of the indicator body 10; the hole corresponding to the shape of the indicator main body 10 is formed in the container, one end of the back face 12 of the indicator main body 10 penetrates through the hole and extends into the container, the convex edge 16 abuts against the container or the device, the indicator main body 10 stops continuing to extend into the container, the positioning piece 40 is screwed to the outer side wall of the indicator main body 10 from the inner side of the container, the positioning piece 40 is matched with the convex edge 16 to fix the indicator main body 10 on the container, the humidity indicator is installed, and the humidity indicator is stable in structure, simple and practical.

In another embodiment of the present invention, the outer sidewall of the positioning member 40 of the humidity indicator is provided with a stripe (not shown) for increasing the friction force, so as to facilitate the assembly and disassembly of the positioning member 40, and the operation is convenient.

In another embodiment of the present invention, as shown in fig. 2, the bottom surface of the groove 13 of the humidity indicator is provided with a slot 17 for clamping the humidity card, the slot 17 corresponding to the humidity card is arranged on the bottom surface of the groove 13, and after the humidity card is placed in the groove 13, the humidity card is positioned through the slot 17, so as to reduce the problem of deviation after the humidity card is installed, and improve the stability of the humidity indicator.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A humidity indicator comprising an indicator body and a transparent cover; the indicator main body is provided with a front surface and a back surface which are oppositely arranged, a groove for placing a humidity card is arranged on the front surface of the indicator main body, a vent hole is arranged on the bottom surface of the groove, and the vent hole is communicated with the back surface of the indicator main body; the transparent cover member is threaded into and covers the recess.

2. A moisture indicator according to claim 1 wherein the recess is internally threaded on the inner side wall thereof; the transparent cover assembly is provided with an outer ring, an inner ring and a connecting part connected between the outer ring and the inner ring, the outer side wall of the outer ring is provided with an external thread corresponding to the internal thread on the inner side wall of the groove, and the outer ring is in threaded connection with the groove.

3. A moisture indicator according to claim 2 wherein the inner ring is disposed coaxially with the outer ring, the inner ring having a top surface height greater than a top surface height of the groove.

4. The humidity indicator of claim 1, further comprising a gasket for pressing against an outer ring of a humidity card, said gasket disposed within said recess and abutting said transparent cover.

5. A humidity indicator according to claim 4 in which the gasket is a silicone gasket.

6. The humidity indicator of claim 1, further comprising a positioning member, wherein the indicator body further has a circumferential side surface, wherein the circumferential side surface of the indicator body is positioned between the front surface of the indicator body and the back surface of the indicator body, and wherein the circumferential side surface of the indicator body extends outwardly to form a ledge for positioning the indicator body; the positioning piece is in threaded connection with the circumferential side face of the indicator main body and is positioned between the convex edge and the back face of the indicator main body.

7. A humidity indicator according to claim 6 in which the outer side wall of the spacer is provided with striations for increasing friction.

8. A humidity indicator according to any one of claims 1 to 7 wherein the bottom surface of the recess is provided with a slot for engaging a humidity card.