CN210155070U - Formaldehyde detector based on electrochemical sensor - Google Patents

Abstract

The utility model relates to a formaldehyde detector field specifically discloses a formaldehyde detector based on electrochemical sensor, to current formaldehyde detector based on electrochemical sensor and inconvenient tearing open electrochemical sensor and trade, also inconvenient carry out the problem of dismouting to formaldehyde detector, the scheme as follows is proposed now, and it includes the casing, be fixed with fixed plate and baffle on the rear end inner wall of casing, the left end of baffle is fixed with two telescopic links, is fixed with the movable plate between the left end of telescopic link, is provided with electrochemical sensor between movable plate and the fixed plate, and the right-hand member of movable plate is connected with one-way threaded rod through bearing rotation, and one-way threaded rod's right-hand member runs through the baffle and is fixed with the handle. The utility model relates to an ingenious, rational in infrastructure, easy operation, the convenience is torn open to trade electrochemical sensor, is convenient for carry out the dismouting to the formaldehyde detector simultaneously, and the flexibility is strong, can satisfy people's daily user demand, suitable popularization.

Description

Formaldehyde detector based on electrochemical sensor

Technical Field

The utility model relates to a formaldehyde detector technical field especially relates to a formaldehyde detector based on electrochemical sensor.

Background

A formaldehyde detector is an instrument for detecting formaldehyde. The device realizes the quick semi-quantitative realization of formaldehyde in indoor air on site, and has the advantages of simple characteristic structure, small volume, convenient carrying and use and intuition. The method can be widely applied to the field quantitative and qualitative detection of formaldehyde in air of rooms, residential areas, public places, living places and factories and mining workshops. At present, the formaldehyde detector based on electrochemical sensor is very common formaldehyde detector in the market, but electrochemical sensor wherein welds or fixes in the formaldehyde detector through the screw, and is inconvenient to tear down the electrochemical sensor and trade, also is inconvenient to carry out the dismouting to the formaldehyde detector moreover, and the flexibility is poor, therefore needs us to design a formaldehyde detector based on electrochemical sensor, solves these problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of formaldehyde detector based on electrochemical sensor has solved current electrochemical sensor and has welded mostly or through the fix with screw in formaldehyde detector to it is inconvenient to tear open electrochemical sensor and trade, and also inconvenient dismouting, the poor problem of flexibility are carried out to formaldehyde detector.

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

a formaldehyde detector based on an electrochemical sensor comprises a shell, wherein a fixed plate and a baffle are fixed on the inner wall of the rear end of the shell, two telescopic rods are fixed at the left end of the baffle, a moving plate is fixed between the left ends of the telescopic rods, the electrochemical sensor is arranged between the moving plate and the fixed plate, a one-way threaded rod is rotatably connected at the right end of the moving plate through a bearing, a handle penetrates through the right end of the one-way threaded rod and is fixed at the front of the top of the shell, the rear end all is fixed with the riser, has all seted up spacing mouthful on the riser, and the sliding sleeve is equipped with the apron on the riser, and the top of apron is fixed with the regulating plate, and the inside of regulating plate is provided with two connecting plates, two be fixed with a plurality of reset spring between the connecting plate, two one side that the connecting plate kept away from mutually all is fixed with the limiting plate, two the limiting plate extends to two respectively the inside of spacing mouthful.

Preferably, the rear end of the shell is provided with an air inlet, and the position of the air inlet corresponds to the position of the electrochemical sensor.

Preferably, the one-way threaded rod is positioned between the two telescopic rods, and the baffle is provided with a threaded hole in threaded connection with the one-way threaded rod.

Preferably, the front end and the rear end of the cover plate are both provided with openings, and the two vertical plates are respectively in sliding connection with the inner walls of the openings.

Preferably, the adjusting plate is of a cavity structure, and the front end and the rear end of the return spring are respectively and fixedly connected with the two connecting plates.

Preferably, the through-hole has all been seted up to the preceding, the rear end of regulating plate, and the connection plate size all is greater than the size of through-hole, and two the limiting plate respectively with the inner wall sliding connection of two through-holes.

The utility model has the advantages that:

1. the rotation of the one-way threaded rod is controlled by rotating the handle, and under the limiting action of the telescopic rod, the one-way threaded rod drives the moving plate to be stably close to or far away from the fixed plate, so that the electrochemical sensor is conveniently disassembled and replaced;

2. through the pressure release limiting plate, under the limiting effect of reset spring, because the limiting effect of limiting plate and spacing mouth, the convenience is carried out the dismouting to the formaldehyde detector.

The utility model relates to an ingenious, rational in infrastructure, easy operation, the convenience is torn open to trade electrochemical sensor, is convenient for carry out the dismouting to the formaldehyde detector simultaneously, and the flexibility is strong, can satisfy people's daily user demand, suitable popularization.

Drawings

Fig. 1 is a structural front view of a formaldehyde detector based on an electrochemical sensor according to the present invention.

Fig. 2 is a structural side view of the formaldehyde detector based on the electrochemical sensor according to the present invention.

In the figure: the device comprises a shell 1, a fixing plate 2, a baffle 3, a telescopic rod 4, a moving plate 5, an electrochemical sensor 6, a one-way threaded rod 7, a handle 8, an air inlet 9, a vertical plate 10, a limiting opening 11, a cover plate 12, an opening 13, an adjusting plate 14, a connecting plate 15, a return spring 16 and a limiting plate 17.

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 some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a formaldehyde detector based on an electrochemical sensor comprises a shell 1, a fixed plate 2 and a baffle plate 3 are fixed on the inner wall of the rear end of the shell 1, two telescopic rods 4 are fixed at the left end of the baffle plate 3, a movable plate 5 is fixed between the left ends of the telescopic rods 4, an electrochemical sensor 6 is arranged between the movable plate 5 and the fixed plate 2, a one-way threaded rod 7 is rotatably connected at the right end of the movable plate 5 through a bearing, the right end of the one-way threaded rod 7 penetrates through the baffle plate 3 and is fixed with a handle 8, vertical plates 10 are fixed at the front and rear ends of the top of the shell 1, limiting ports 11 are respectively arranged on the vertical plates 10, a cover plate 12 is slidably sleeved on the vertical plates 10, an adjusting plate 14 is fixed at the top of the cover plate 12, two connecting plates 15 are arranged inside the adjusting plate 14, a plurality of, the two limit plates 17 extend into the two limit ports 11 respectively.

In this embodiment, air inlet 9 has been seted up to casing 1's rear end, the position of air inlet 9 is corresponding with electrochemical sensor 6's position, one-way threaded rod 7 is located between two telescopic links 4, set up the screw hole with 7 threaded connection of one-way threaded rod on the baffle 3, the preceding of apron 12, opening 13 has all been seted up to the rear end, two risers 10 respectively with two opening 13's inner wall sliding connection, regulating plate 14 is the cavity structure, reset spring 16's preceding, the rear end respectively with two connecting plate 15 fixed connection, regulating plate 14's preceding, the through-hole has all been seted up to the rear end, connecting plate 15's size all is greater than the size of through-hole, and two limiting plates 17 respectively with the inner wall sliding.

In this embodiment, the fixing manner between the members is one of screw fixing and welding fixing. The utility model relates to an ingenious, rational in infrastructure, easy operation, the convenience is torn open to trade electrochemical sensor, is convenient for carry out the dismouting to the formaldehyde detector simultaneously, and the flexibility is strong, can satisfy people's daily user demand, suitable popularization.

The working principle is as follows: in the utility model, when in use, an operator presses the limiting plate 17 to make the limiting plate 17 drive the two connecting plates 15 to approach each other, so that the reset spring 16 is in a compressed state, when the two limiting plates 17 are separated from the limiting port 11, the cover plate 12 can be taken down, then the rotating handle 8 is rotated clockwise or anticlockwise to drive the one-way threaded rod 7 to rotate, under the limiting action of the two telescopic rods 4, the one-way threaded rod 7 drives the moving plate 5 to move stably left and right, so that the moving plate 5 is stably close to or far away from the fixed plate 2, when the distance between the fixed plate 2 and the moving plate 5 is larger than the size of the electrochemical sensor 6, the electrochemical sensor 6 is conveniently taken down, then the one-way threaded rod 7 is controlled by the rotating handle 8 to drive the moving plate 5 to be stably close to the fixed plate 2, and then can reach the purpose that conveniently tears electrochemical transducer 6 open and trade, then pass two openings 13 respectively with two risers 10, make apron 12 lid on casing 1, when two limiting plates 17 respectively with two spacing mouthful of 11 positions corresponding, under reset spring 16's elastic action, make two connecting plates 15 drive two limiting plates 17 and separate each other, and then make two limiting plates 17 block into respectively in two spacing mouthful 11, can fix the position of apron 12, finally reach the purpose that conveniently carries out the dismouting to the formaldehyde detector, the flexibility is strong.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present 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 present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A formaldehyde detector based on an electrochemical sensor comprises a shell (1) and is characterized in that a fixed plate (2) and a baffle (3) are fixed on the inner wall of the rear end of the shell (1), two telescopic rods (4) are fixed at the left end of the baffle (3), a movable plate (5) is fixed between the left ends of the telescopic rods (4), an electrochemical sensor (6) is arranged between the movable plate (5) and the fixed plate (2), a one-way threaded rod (7) is rotatably connected at the right end of the movable plate (5) through a bearing, the right end of the one-way threaded rod (7) penetrates through the baffle (3) and is fixed with a handle (8), a vertical plate (10) is fixed at the front and rear ends of the top of the shell (1), a limiting opening (11) is formed in each vertical plate (10), a cover plate (12) is sleeved on each vertical plate (10) in a sliding manner, the inside of regulating plate (14) is provided with two connecting plates (15), two be fixed with a plurality of reset spring (16) between connecting plate (15), two one side that connecting plate (15) kept away from mutually all is fixed with limiting plate (17), two limiting plate (17) extend to two respectively the inside of spacing mouth (11).

2. The formaldehyde detector based on the electrochemical sensor is characterized in that the rear end of the shell (1) is provided with an air inlet (9), and the position of the air inlet (9) corresponds to the position of the electrochemical sensor (6).

3. The formaldehyde detector based on the electrochemical sensor as claimed in claim 1, wherein the one-way threaded rod (7) is located between the two telescopic rods (4), and the baffle (3) is provided with a threaded hole in threaded connection with the one-way threaded rod (7).

4. The formaldehyde detector based on the electrochemical sensor according to claim 1, wherein the cover plate (12) has openings (13) at both the front and rear ends thereof, and the two vertical plates (10) are slidably connected to the inner walls of the two openings (13), respectively.

5. The formaldehyde detector based on the electrochemical sensor according to claim 1, wherein the adjusting plate (14) has a cavity structure, and the front end and the rear end of the return spring (16) are fixedly connected with the two connecting plates (15), respectively.

6. The formaldehyde detector based on the electrochemical sensor according to claim 1, wherein the adjusting plate (14) is provided with through holes at the front end and the rear end, the connecting plate (15) is larger than the through holes, and the two limiting plates (17) are slidably connected with the inner walls of the two through holes respectively.

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