CN211122755U

CN211122755U - Humidity indicator

Info

Publication number: CN211122755U
Application number: CN201921711343.3U
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.

Fig. 3 is a schematic structural diagram of the clamp spring provided by the embodiment of the utility model.

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-snap spring

21-first end 22-second end 23-gap

30-gasket 40-spacer 50-transparent plastic sheet.

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. 1-3 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 an embodiment of the present invention, as shown in fig. 1-2, a humidity indicator is provided, which includes an indicator main body 10 and a clamp spring 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 clamp spring 20 is clamped in the groove 13 so as to fix the humidity card in the groove 13 and cover the air vent 14.

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 20 is clamped in the groove 13 to fix the humidity card; when the humidity card needs to be replaced, the clamp spring 20 is pulled out, the old humidity card is directly taken out from the groove 13, the new humidity card is placed in the groove 13, and finally the clamp spring 20 is clamped in the groove 13 again 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 expends time fewly.

In another embodiment of the present invention, as shown in fig. 3, the clamp spring 20 of the humidity indicator is in a ring shape, and the outer sidewall of the clamp spring 20 abuts against the inner sidewall of the groove 13 to clamp the clamp spring 20 in the groove 13; the clamp spring 20 is convenient to disassemble and assemble, simple to operate, low in machining cost and convenient for mass production.

In another embodiment of the present invention, as shown in fig. 3, the circlip 20 of the humidity indicator is provided with a notch 23 so that a first end 21 and a second end 22 are formed on the circlip 20, and the first end 21 and the second end 22 are close to each other so that the circlip 20 is elastically deformed to be separated from the inner side wall of the groove 13; all be equipped with the bellying on the first end 21 of jump ring 20 and the second end 22 of jump ring 20, through increase area of contact, be convenient for extrude the first end 21 of jump ring 20 and the second end 22 of jump ring 20 and make it be close to each other, the simple operation, stable in structure.

In another embodiment of the present invention, as shown in fig. 2, the humidity indicator further includes a gasket 30 for pressing the outer ring of the humidity card, and the clamp spring 20 abuts against the gasket 30; add packing ring 30 for the outer lane of extrusion humidity card improves sealing performance, reduces the influence of outside environment in to the container, and packing ring 30 is arranged in between humidity card and jump ring 20, and the top surface of packing ring 30 and bottom surface respectively with the bottom surface of jump ring 20 and the top surface butt of humidity card reduce the damage that jump ring 20 and humidity card collision or friction caused, the life of extension humidity card.

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

In another embodiment of the utility model, as shown in fig. 2, this humidity indicator still includes transparent plastic sheet 50, and transparent plastic sheet 50 is located and is used for the lid to close the humidity card in recess 13, and transparent plastic sheet 50 is located between packing ring 30 and jump ring 20, fixes transparent plastic sheet 50 through jump ring 20, reduces the influence of external environment to the humidity card to improve the detection precision of humidity card.

In another embodiment of the present invention, as shown in fig. 1-2, 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 is characterized by comprising 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.

2. The humidity indicator of claim 1, wherein the clamp spring is annular, and an outer side wall of the clamp spring abuts against an inner side wall of the groove so that the clamp spring is clamped in the groove.

3. A humidity indicator according to claim 2 in which the circlip is notched to provide first and second ends on the circlip, the first and second ends being brought towards each other to resiliently deform the circlip to separate it from the inner side wall of the recess.

4. The humidity indicator of claim 1, further comprising a gasket for pressing against an outer ring of a humidity card, the gasket being disposed in the groove and abutting the snap spring.

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.