CN212544255U - Formaldehyde concentration detection device - Google Patents
Formaldehyde concentration detection device Download PDFInfo
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- CN212544255U CN212544255U CN202021418016.1U CN202021418016U CN212544255U CN 212544255 U CN212544255 U CN 212544255U CN 202021418016 U CN202021418016 U CN 202021418016U CN 212544255 U CN212544255 U CN 212544255U
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- shielding cover
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Abstract
The utility model discloses a formaldehyde concentration detection device, which comprises a detector body and a formaldehyde gas sensor positioned at the top end of the detector body, wherein a shielding cover is sleeved outside the formaldehyde gas sensor, a plurality of gas guide grooves are respectively arranged at the edge part and the end part of the shielding cover, a dustproof mechanism is arranged inside the shielding cover, the dustproof mechanism is provided, a sealing block is driven to rotate under the action of a rotating ring, when the sealing block is separated from the gas guide grooves, the gas guide grooves are opened, so that gas can conveniently enter the shielding cover to contact with the formaldehyde gas sensor for detection, wherein, the edge part and the top end of the shielding cover are respectively provided with a plurality of gas guide grooves which are pressed, so that the gas can conveniently enter the shielding cover from different directions, the detection effect is improved, when the sealing block is superposed with the gas guide grooves, the gas guide grooves are sealed, the phenomenon that in the storage or transportation process, external impurities and pollutants enter the shielding cover to damage and pollute the, the detection effect is influenced, and the use is more convenient and reliable.
Description
Technical Field
The utility model relates to a formaldehyde detects technical field, specifically is a formaldehyde concentration detection device.
Background
The formaldehyde detector realizes the on-site quick semi-quantitative realization of formaldehyde in indoor air, and has the advantages of simple characteristic structure, small volume, convenient carrying and use and intuition. The method can be widely suitable for the field quantitative and qualitative detection of formaldehyde in air of rooms, residential areas, public places, living places and industrial and mining workshops;
present formaldehyde detector includes the casing and locates the sensor in the casing, detects formaldehyde concentration through the sensor, in storage or transportation, and impurity such as outside dust falls on the sensor easily, leads to its detection effect variation, reduces detection accuracy, influences its life, so an urgent need a formaldehyde concentration detection device solves above-mentioned problem.
Disclosure of Invention
The utility model provides a formaldehyde concentration detection device can effectively solve and propose current formaldehyde detector among the above-mentioned background art and include the casing and locate the sensor in the casing, detect formaldehyde concentration through the sensor, in storage or transportation, impurity such as outside dust falls on the sensor easily, leads to its testing effect variation, reduces the detection accuracy, influences its life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a formaldehyde concentration detection device comprises a detector body and a formaldehyde gas sensor positioned at the top end of the detector body, wherein a shielding cover is sleeved outside the formaldehyde gas sensor, and a plurality of gas guide grooves are formed in the edge part and the end part of the shielding cover;
a dustproof mechanism is arranged in the shielding cover;
the dustproof mechanism comprises a rotating ring arranged outside the shielding cover and a sealing block arranged inside the air guide groove, the sealing block is connected with the rotating ring, and the rotating ring rotates to drive the sealing block to move inside the air guide groove so as to close or open the air guide groove;
the front surface of the detector body is provided with a shielding mechanism,
the shielding mechanism comprises shielding plates, connecting plates are mounted on two sides of each shielding plate and are in sliding connection with two side walls of the detector body through the connecting plates, and a baffle is inserted into one side of each shielding plate.
Preferably, a rubber sleeve is sleeved on the edge of the rotating ring.
Preferably, the both sides face of the detector body is provided with a sliding groove along the long edge, and the insertion block is installed on one side of the connecting plate and inserted into the sliding groove and slides along the sliding groove.
Preferably, the connecting plate and the inserting block are both elastic members.
Preferably, transverse grooves are formed in one ends, far away from the screen, of two side edges of the detector body, and the transverse grooves are perpendicular to the sliding grooves.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has scientific and reasonable structure and safe and convenient use;
1. be provided with dustproof mechanism, effect through rotatory ring, it rotates to drive sealed piece, when separating with the air guide groove, open the air guide groove, make things convenient for gas to get into inside and the formaldehyde gas sensor contact of shield cover, detect work, wherein, shield cover limit portion and top are all seted up and are pressed a plurality of air guide grooves, do benefit to inside gas gets into the shield cover from the equidirectional not, improve detection result, when sealed piece coincides with the air guide groove, it is sealed to lead the air guide groove, avoid in storage or transportation, outside impurity and pollutant get into inside the shield cover, damage and pollution formaldehyde gas sensor, influence its detection effect, use convenient and reliable more.
2. The shielding mechanism is arranged, the screen of the detector body is shielded and protected through the effect of the shielding plate, the screen is prevented from being damaged due to collision with an object, the two sides of the shielding plate are connected with the side edge part of the detector body in a sliding mode through the connecting plate, the position of the shielding plate can be adjusted according to requirements, the screen is shielded when the shielding plate slides to the screen, the button is shielded when the shielding plate slides to the button, the baffle is inserted into one side of the shielding plate and can be pulled out, and meanwhile the screen and the button are shielded;
in addition, the transverse groove is formed in the edge of the detector body, the shielding plate can be detached and connected with the transverse groove to serve as a base to support the detector body, the detector body can stand inside the shielding plate conveniently, and the detector is simple to operate and flexible and convenient to use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the detector body of the present invention;
fig. 2 is a schematic structural view of the shield cover of the present invention;
FIG. 3 is a schematic structural view of the dustproof mechanism of the present invention;
FIG. 4 is a schematic structural view of the detector body with the shielding mechanism of the present invention;
FIG. 5 is a schematic structural view of the shielding mechanism of the present invention;
FIG. 6 is a schematic structural view of the detector body of the present invention when it is vertically disposed;
reference numbers in the figures: 1. a detector body; 2. a formaldehyde gas sensor; 3. a shield cover; 4. a gas guide groove; 5. a dust-proof mechanism; 501. a rotating ring; 502. a sealing block; 6. a shielding mechanism; 601. a shielding plate; 602. a connecting plate; 603. inserting a block; 604. a baffle plate; 7. a chute; 8. a transverse groove.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, a formaldehyde concentration detection device comprises a detector body 1 and a formaldehyde gas sensor 2 positioned at the top end of the detector body 1, wherein a shielding cover 3 is sleeved outside the formaldehyde gas sensor 2, and a plurality of gas guide grooves 4 are formed in the edge part and the end part of the shielding cover 3;
as shown in fig. 2-3, a dustproof mechanism 5 is arranged inside the shielding cover 3;
the dustproof mechanism 5 comprises a rotating ring 501 arranged outside the shielding cover 3 and a sealing block 502 arranged inside the air guide groove 4, wherein the sealing block 502 is connected with the rotating ring 501, and the rotating ring 501 rotates to drive the sealing block 502 to move inside the air guide groove 4 so as to close or open the air guide groove 4;
examine time measuring, rotate rotatory ring 501, rotatory ring 501 limit portion has cup jointed the rubber sleeve, increases frictional force, improves anti-skidding effect, and rotatory ring 501 drives sealed piece 502 and rotates to with the separation of air guide groove 4, open air guide groove 4, gaseous by air guide groove 4 get into the inside of cover 3 that shelters from, and contact with formaldehyde gas sensor 2, carry out formaldehyde and detect work.
When storing or transporting, rotate rotatory ring 501, drive sealed piece 502 and rotate to with leading gas tank 4 coincidence, close leading gas tank 4, avoid in storage or transportation, outside impurity and pollutant get into to block and cover 3 inside, damage and pollution formaldehyde gas sensor 2, influence its detection effect, use convenient and reliable more.
As shown in fig. 4-5, the front surface of the detector body 1 is provided with a shielding mechanism 6,
the shielding mechanism 6 comprises a shielding plate 601, connecting plates 602 are mounted on two sides of the shielding plate 601 and are slidably connected with two side walls of the detector body 1 through the connecting plates 602, and a baffle 604 is inserted into one side of the shielding plate 601;
the two side faces of the detector body 1 are provided with sliding grooves 7 along the long edges, an inserting block 603 is installed on one side of a connecting plate 602, the inserting block 603 is inserted into the sliding grooves 7 and slides along the sliding grooves 7, the connecting plate 602 and the inserting block 603 are both elastic members, the connecting plate 602 is pressed, the inserting block 603 is inserted into a transverse groove 8, the assembling work of the shielding plate 601 is completed, during storage, the shielding plate 601 slides to the screen, the screen is shielded and protected through the shielding plate 601, the baffle 604 is pulled to be pulled out from the inside of the shielding plate 601, so that the button is shielded, during use, the slidable shielding plate 601 slides to the button, the button is shielded and protected, the button is prevented from being collided, the detection result is influenced, and the use is more reliable.
As shown in fig. 6, the two side edges of the detector body 1 far from the screen have both been provided with a transverse groove 8, the transverse groove 8 is perpendicular to the sliding groove 7, the shielding plate 601 can be detached and connected with the transverse groove 8 through the insertion block 603, the shielding plate 601 is perpendicular to the detector body 1, the shielding plate 601 serves as a base to support the detector body 1, the detector body 1 can be erected on the shielding plate 601, the detector body 1 can be conveniently placed, the detection by hand is not needed, and the use is more flexible and convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a formaldehyde concentration detection device, includes detector body (1) and formaldehyde gas sensor (2) that are located detector body (1) top, its characterized in that: the shielding cover (3) is sleeved on the outer side of the formaldehyde gas sensor (2), and a plurality of gas guide grooves (4) are formed in the edge part and the end part of the shielding cover (3);
a dustproof mechanism (5) is arranged in the shielding cover (3);
the dustproof mechanism (5) comprises a rotating ring (501) arranged on the outer side of the shielding cover (3) and a sealing block (502) arranged in the air guide groove (4), the sealing block (502) is connected with the rotating ring (501), and the rotating ring (501) rotates to drive the sealing block (502) to move in the air guide groove (4) so as to close or open the air guide groove (4);
the front surface of the detector body (1) is provided with a shielding mechanism (6);
the shielding mechanism (6) comprises a shielding plate (601), connecting plates (602) are installed on two sides of the shielding plate (601), the two sides of the shielding plate (601) are connected with two side walls of the detector body (1) in a sliding mode through the connecting plates (602), and a baffle (605) is installed on one side of the shielding plate (601) in an inserted mode.
2. The formaldehyde concentration detection device according to claim 1, wherein: the edge of the rotating ring (501) is sleeved with a rubber sleeve.
3. The formaldehyde concentration detection device according to claim 1, wherein: the detector body (1) both sides face has been seted up spout (7) along long limit, and inserted block (604) are installed to connecting plate (602) one side, inserted block (604) insert inside spout (7) to slide along spout (7).
4. The formaldehyde concentration detection device according to claim 3, wherein: the connecting plate (602) and the insert block (604) are both elastic members.
5. The formaldehyde concentration detection device according to claim 3, wherein: the detector body (1) both sides limit is kept away from screen one end and has all been seted up horizontal groove (8), horizontal groove (8) are perpendicular with spout (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021418016.1U CN212544255U (en) | 2020-07-17 | 2020-07-17 | Formaldehyde concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021418016.1U CN212544255U (en) | 2020-07-17 | 2020-07-17 | Formaldehyde concentration detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212544255U true CN212544255U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021418016.1U Active CN212544255U (en) | 2020-07-17 | 2020-07-17 | Formaldehyde concentration detection device |
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| CN (1) | CN212544255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544908A (en) * | 2022-04-24 | 2022-05-27 | 山西和运能源服务有限公司 | Coal mine low-concentration gas heating device |
-
2020
- 2020-07-17 CN CN202021418016.1U patent/CN212544255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544908A (en) * | 2022-04-24 | 2022-05-27 | 山西和运能源服务有限公司 | Coal mine low-concentration gas heating device |
| CN114544908B (en) * | 2022-04-24 | 2022-07-08 | 山西和运能源服务有限公司 | Colliery low concentration gas heating device |
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