CN214224690U - Formaldehyde detector trachea connection structure - Google Patents

Abstract

The utility model relates to a remove formaldehyde apparatus field, formaldehyde detector trachea connection structure locates on formaldehyde detector's the box, is equipped with sampling pipe standing groove on this box, sampling pipe standing groove one side is equipped with the trachea jack of being connected with the air pump, be equipped with the seal groove in the trachea jack, the built-in elastic sealing circle that is equipped with of seal groove, there is vertical mounting groove on the trachea jack inside wall, mounting groove one side is equipped with the draw-in groove, sampling pipe standing groove is used for placing sampling pipe, sampling pipe pass through the trachea with trachea jack connection, the trachea with trachea jack connection one end is equipped with the plug, the plug is equipped with the fixture block, the plug inserts behind the trachea jack, through rotatory back, the fixture block can block and locate in the draw-in groove. An object of the utility model is to provide a formaldehyde detector trachea connection structure helps solving current trachea and pegs graft troublesome, has the problem of hidden danger.

Description

Formaldehyde detector trachea connection structure

Technical Field

The utility model relates to a remove formaldehyde apparatus field, especially relate to a formaldehyde detector trachea connection structure.

Background

The formaldehyde detector generally adopts a high-sensitivity electrochemical sensor principle, combines a single chip microcomputer technology and a network communication technology to collect an air sample in a detection place, formaldehyde in the air is absorbed by a phenol reagent solution and reacts to generate the oxazine, and the oxazine is oxidized by a color developing agent ferric ion in an acid solution to form a blue-green compound. Direct colorimetric determination on site according to the shade of color.

Present formaldehyde detector is the box structure, be equipped with the air pump in the box, be used for on-the-spot gas collection, when collecting gas, the sampling pipe that will be equipped with phenol reagent is placed on the box, utilize the trachea to peg graft at trachea jack internal connection air pump, thereby react with phenol reagent in the gaseous suction sampling pipe of scene, and the simple structure of current trachea jack, for bellied body structure, the direct cover of trachea of hose material is established on this body, but, in the in-service use process, often can take place to cup joint difficulty or trachea and back port extension pine many times of pegging graft, there is not airtight or the easy hidden danger that drops of trachea of exhaust line, influence equipment normal operating.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a formaldehyde detector trachea connection structure helps solving current trachea grafting trouble, has the problem of hidden danger.

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

the formaldehyde detector gas pipe connecting structure is arranged on a box body of the formaldehyde detector, the box body is provided with a cover body, a handle, a display screen, a switch key, a processor, a gas pump, a detection device and a sampling pipe placing groove which can be opened and closed, one side of the sampling tube placing groove is provided with an air tube jack connected with an air pump, a sealing groove is arranged in the air tube jack, an elastic sealing ring is arranged in the sealing groove, a vertical mounting groove is arranged on the inner side wall of the air pipe jack, a clamping groove is arranged on one side of the mounting groove, the bottoms of the mounting groove and the clamping groove are communicated with the sealing groove, the sampling tube placing groove is used for placing a sampling tube, the sampling tube is connected with the air tube jack through an air tube, the trachea with trachea jack connection one end is equipped with the plug, the plug is equipped with the fixture block, the plug inserts behind the trachea jack, through rotatory back, the fixture block can be blocked and locate in the draw-in groove.

Preferably, the outer contour of the plug is matched with the contour of the inner side wall of the air pipe jack, the fixture block is arranged on the outer side surface of the plug, and the bottom of the fixture block is flush with the bottom surface of the plug.

Preferably, the width of the fixture block is not greater than the width of the mounting groove, and the outer contour of the fixture block is matched with the inner contour of the clamping groove; the height of the fixture block is not higher than that of the sealing groove.

Preferably, the seal groove still is equipped with support ring and elastic component, the support ring laminating is located elastic seal circle bottom, the elastic component circumference equipartition in the support ring with between the seal groove bottom surface.

Advantageous effects

Compared with the prior art, the utility model discloses at least, including following advantage:

the utility model discloses a set up the plug at trachea one end, set up the buckle connection structure of looks adaptation between plug and the trachea jack, realize the effect of connecing soon, compare in traditional structure, the tracheal connection is more convenient, after many times of dismouting, the structure of plug is also difficult to wear and tear the damage, reduces the trouble hidden danger and has prolonged life; the utility model has the advantages that the fixture block is arranged outside the plug, the structure is simple, the production is convenient, the sealing groove is arranged in the air pipe jack, and the elastic sealing ring is arranged in the sealing groove, thereby being beneficial to improving the air tightness of the connecting structure and ensuring the air exhaust efficiency of the equipment; the utility model is provided with the mounting groove and the clamping groove, and utilizes the elasticity characteristic of the elastic sealing ring, when the plug inserts the fixture block alignment mounting groove into the trachea jack, the fixture block can be extruded when entering the sealing groove, the plug is rotated to enable the fixture block to align with the clamping groove, the elastic sealing ring can push the plug upwards, so that the fixture block is embedded into the clamping groove to form a buckle structure; the utility model discloses still can set up support ring and elastic component bottom the elastic sealing circle, provide more efficient elasticity and support, help improving the firm in connection nature of fixture block and draw-in groove to help prolonging elastic sealing circle's sealed ageing.

Drawings

Fig. 1 is a schematic structural diagram of the novel formaldehyde detector in one embodiment.

Fig. 2 is a schematic view of the installation structure of the sampling tube, the air tube and the plug.

Fig. 3 is a schematic structural view of the air tube insertion hole of fig. 1.

Fig. 4 is a schematic view of the internal structure of the trachea cannula in another embodiment.

The figure is marked with: 1-a box body; 11-a cover body; 12-a handle; 13-a display screen; 14-switch key; 15-power line jack; 16-a detection tank; 17-detecting the trough cover plate; 18-a sampling tube placement slot; 2-trachea insertion holes; 21-a sealing groove; 22-mounting grooves; 23-a card slot; 24-a connection hole; 3-a sampling tube; 4-trachea; 5-a plug; 51-a cartridge; 6-elastic sealing ring; 7-a support ring; 8-elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the two elements or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the air tube connecting structure of the formaldehyde detector disclosed in this embodiment is disposed on a box 1 of the formaldehyde detector, the box 1 is provided with a cover 11, a handle 12, a display 13, a switch button 14, a processor, an air pump, a detection device and a sampling tube placement groove 18, the switch button 14 is provided with a power line jack 15 at one side for electrically connecting with an external power source, the detection device includes a detection groove 16 disposed on the surface of the box 1, the detection groove 16 is used for placing a sampling tube 3 after a sampling reaction, a detection groove cover plate 17 is disposed at one side of the detection groove 16 and can cover the detection groove 16 when the detection device is not in operation, the sampling tube placement groove 18 is used for placing the sampling tube 3 under sampling, one side of the sampling tube placement groove is provided with an air tube jack 2 connected with the air pump, a sealing groove 21 is disposed in the air tube jack 2, an elastic sealing ring 6 is disposed in the sealing groove 21, seal groove 21 bottom is equipped with connecting hole 24, and connecting hole 24 is used for connecting pipe fitting and air pump intercommunication, there is vertical mounting groove 22 on the 21 inside walls of trachea jack, mounting groove 22 one side is equipped with draw-in groove 23, mounting groove 22 and draw-in groove 23 bottom with seal groove 21 link up, sampling pipe standing groove 18 is used for placing sampling pipe 3, sampling pipe 3 pass through trachea 4 with trachea jack 2 is connected, trachea 4 with trachea jack 2 is connected one end and is equipped with plug 5, plug 5 is equipped with fixture block 51, plug 5 inserts behind the trachea jack 2, through rotatory back, in draw-in groove 23 can be located to fixture block 51, forms buckle connection structure, realizes the effect of connecing soon.

Further, the outer contour of the plug 5 is matched with the inner side wall contour of the air pipe jack 2, the fixture block 51 is arranged on the outer side surface of the plug 5, and the bottom of the fixture block 51 is flush with the bottom surface of the plug 5, so that when the plug 5 is inserted into the sealing groove 21, the fixture block 51 can rotate in the sealing groove 21.

Further, the width of the latch 51 is not greater than the width of the mounting groove 22, so that the latch 51 can be positioned in the mounting groove 22, the plug 5 can be inserted into the tracheal insertion hole 2, and the outer contour of the latch 51 is matched with the inner contour of the slot 23; the height of the latch 51 is not higher than that of the sealing groove 22, so that the latch 51 does not interfere with the movement in the sealing groove 22.

Further, in other embodiments, the seal groove 21 may further include a support ring 7 and an elastic member 8, the elastic member 8 is a spring, the support ring 7 is attached to the bottom of the elastic seal ring 6, the elastic member 8 is circumferentially and uniformly distributed on the support ring 7 and between the bottom surfaces of the seal groove 21, upward thrust can be always applied to the elastic seal ring 6 by using the elastic member 8 and the support ring 7, the fixture block 51 can be favorably embedded into the clamping groove 23, and the elastic seal ring 6 can be favorably deformed and contracted, and still can be tightly attached between the plug 5 and the air pipe insertion hole 6, so that the sealing aging can be prolonged.

Note that, the seal groove 21 may further include a stopper structure on the side of the notch 23, so as to improve control of the rotation degree of the latch 51 in the seal groove 21.

In the concrete implementation process, when needing to be connected trachea 4 and box 1, can put into sampling pipe standing groove 18 internal fixation earlier sampling pipe 3, insert trachea jack 2 with trachea 4's one end that has plug 5 in, this in-process, aim at mounting groove 22 with fixture block 51 earlier, from last down insert trachea jack 2 with plug 5 in, until plug 5 bottom is in seal groove 21 department, at this moment, plug 5 extrudees elastic seal ring 6, fixture block 51 is in seal groove 21 completely, rotate plug 5, make fixture block 51 rotate to draw-in groove 23 bottom, after the pine hand, because elastic seal ring 6 self elasticity characteristic or receive support ring 7 and the ascending thrust action of elastic component 8, make fixture block 51 upwards remove the card and establish in draw-in groove 23, accomplish the high-speed joint between plug 5 and the trachea jack 2.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (4)

1. The formaldehyde detector gas pipe connecting structure is arranged on a box body of the formaldehyde detector, and the box body is provided with a cover body, a handle, a display screen, a switch button, a processor, an air pump, a detection device and a sampling pipe placing groove which can be opened and closed, the clamping block can be clamped in the clamping groove.

2. The formaldehyde detector air pipe connection structure according to claim 1, wherein an outer contour of the plug is matched with an inner side wall contour of the air pipe insertion hole, the fixture block is arranged on an outer side surface of the plug, and the bottom of the fixture block is flush with the bottom surface of the plug.

3. The formaldehyde detector gas pipe connection structure according to claim 1, wherein the width of the clamping block is not greater than the width of the mounting groove, and the outer contour of the clamping block is matched with the inner contour of the clamping groove; the height of the fixture block is not higher than that of the sealing groove.

4. The formaldehyde detector gas pipe connection structure of claim 1, wherein the sealing groove is further provided with a support ring and an elastic member, the support ring is attached to the bottom of the elastic sealing ring, and the elastic member is circumferentially and uniformly distributed between the support ring and the bottom surface of the sealing groove.

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