CN219584726U - Portable detection device - Google Patents

Abstract

The utility model relates to the technical field of formaldehyde and TVOC detection, and discloses a portable detection device, which comprises a protection box, wherein an annular belt is fixedly arranged on the outer wall of the rear end of the protection box, a vertical groove is formed in the left end of the protection box, an extension device is connected in a sliding manner in the vertical groove, the extension device comprises a sliding rod, a sliding block, a cylinder, a rotating shaft, a gear, a rack and a telescopic spring, the sliding rod is connected in the vertical groove in a sliding manner, the left end of the sliding rod is fixedly connected with the sliding block, the cylinder is fixedly arranged on the outer wall of the rotating shaft, a sliding groove is formed in the outer wall of the cylinder, and the rotating shaft is connected in the protection box in a rotating manner. This portable detection device, through being provided with and stretching out the device, the detector head of being convenient for stretches out in the through-hole, detects air quality, easy operation is convenient, and the practicality is strong, through being provided with stop device, guarantees the stability that the detector head outwards stretches out, is convenient for detect air quality.

Description

Portable detection device

Technical Field

The utility model relates to the technical field of formaldehyde and TVOC detection, in particular to a portable detection device.

Background

The contaminants in the room mainly include formaldehyde, benzene, TVOC (total volatile organic compound), carbon dioxide, and the like. Formaldehyde is a gas with strong pungent smell, mainly derived from some adhesives, artificial boards, paints and the like, after being inhaled by human body, the light people cause discomfort to nose, throat and throat of the human body, while TVOC refers to the collective name of various organic compounds capable of volatilizing into gas at normal temperature, and TVOC can cause the imbalance of organism immunity level and influence the functions of the central nervous system.

In the prior art, at present, in order to prevent that indoor pollutant from being too much, cause the discomfort of living to those just decorated houses, general staff can use the analysis appearance, is provided with the analysis probe through the outside and detects indoor air quality, and the probe generally sets up in the outside of analysis appearance, comparatively salient, when the analysis appearance carelessly drops or when bump appears, leads to the probe striking to damage easily to influence the normal use of analysis appearance.

Disclosure of Invention

The present utility model is directed to a portable detecting device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable detection device, includes the protection box, fixed mounting has the annular area on the protection box rear end outer wall, is convenient for carry the device, vertical groove has been seted up to the protection box left end, sliding connection has the device that stretches out in the vertical groove, stretch out the device and include:

the sliding rod is in sliding connection in the vertical groove, and the left end of the sliding rod is fixedly connected with the sliding block;

the cylinder is fixedly arranged on the outer wall of the rotary shaft, a chute is formed in the outer wall of the cylinder, the rotary shaft is rotationally connected in the protection box, and a gear is fixedly arranged on the outer wall of the rotary shaft;

the rack is meshed with the gear at one end, close to the rotating shaft, of the rack, and a telescopic spring is fixedly arranged at the left end of the rack.

Preferably, the guide slot is formed in the upper end inside the protection box, the guide block slides in the guide slot, the lower end of the guide block is fixedly connected with the rack, the detection head is fixedly arranged at the right end of the rack, and the guide block slides in the guide slot to limit and guide the sliding track of the rack.

Preferably, the through hole has been seted up to protection box right side upper end, inserted the blanking cover in the through hole, the upper end fixed mounting of blanking cover has the spring leaf, the one end and the protection box outer wall fixed connection of blanking cover are kept away from to the spring leaf, shelter from the through hole through the blanking cover, prevent to get into the dust in the through hole, protect inside probe etc..

Preferably, the lower end of the sliding block is provided with a limit groove.

Preferably, the protection box left side lower extreme is provided with stop device, stop device is including stopper, axis of rotation, gag lever post and torsion spring, stopper fixed mounting is on the protection box left side outer wall, the stopper sets up to concave, fixed mounting has the axis of rotation in the stopper, rotate on the outer wall of axis of rotation and be connected with the gag lever post, torsion spring has been cup jointed on the outer wall of axis of rotation, torsion spring's is provided with two sets of, torsion spring's one end and stopper fixed connection, torsion spring's the other end and gag lever post fixed connection, the elastic potential energy through torsion spring drives the upper end that makes the gag lever post outwards stretches out, when the sliding block downwardly moving, makes the gag lever post joint in the spacing groove, is convenient for fixed spacing to the sliding block, improves the stability of detecting the probe.

Preferably, the right end of the sliding rod is provided with an arc surface, the sliding rod is in contact with the sliding groove, and when the sliding rod moves downwards, the cylinder is driven to rotate.

Compared with the prior art, the utility model provides a portable detection device, which has the following beneficial effects:

1. this portable detection device, through being provided with the device that stretches out, when need not use the detecting head, make the detecting head be in the inside of protection box, protect the detecting head, when using the detecting head, through moving down the sliding block, make the sliding block drive the sliding lever and move down, when the sliding lever moves down, slide in the spout of drum, drive the drum and rotate, the drum can drive rotation axis and gear rotation, gear and rack mesh, make the rack drive the detecting head and move right, the detecting head stretches out in the through-hole, be convenient for detect air quality, and is easy and convenient to operate, the practicality is strong.

2. This portable detection device, through being provided with stop device, when needs outwards stretch out to the detector head, make the sliding block downwardly moving, the gag lever post passes through torsion spring's elasticity potential energy joint in the spacing inslot of sliding block, fixes the spacing to the sliding block, guarantees the stability that the detector head outwards stretches out, is convenient for detect air quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model in front cross section;

fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a protection box; 101. a vertical groove; 102. a guide groove; 103. a through hole; 2. an extension device; 201. a slide bar; 202. a sliding block; 203. a cylinder; 2031. a chute; 204. a rotation shaft; 205. a gear; 206. a rack; 207. a telescopic spring; 3. a guide block; 4. a probe; 5. a blanking cover; 501. a spring piece; 6. a limit groove; 7. a limiting device; 701. a limiting block; 702. a rotating shaft; 703. a limit rod; 704. and a torsion spring.

Detailed Description

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a portable detection device, including protection box 1, fixed mounting has the annular area on the outer wall of protection box 1 rear end, vertical groove 101 has been seted up to protection box 1 left end, sliding connection has extension device 2 in vertical groove 101, extension device 2 includes slide bar 201, slide bar 201 is in vertical groove 101 sliding connection, slide bar 201 left end and sliding block 202 fixed connection, protection box 1 inside is provided with drum 203, drum 203 fixed mounting is on the outer wall of rotation axis 204, the spout 2031 has been seted up on the outer wall of drum 203, rotation axis 204 is in the inside swivelling joint of protection box 1, fixed mounting has gear 205 on the outer wall of rotation axis 204, gear 205 meshes with rack 206, rack 206 left end fixed mounting has extension spring 207.

Specifically, the extending device 2 in the technical scheme of the utility model comprises a sliding rod 201, a sliding block 202, a cylinder 203, a rotating shaft 204, a gear 205, a rack 206 and a telescopic spring 207, wherein the sliding rod 201 moves in a chute 2031 of the cylinder 203 by pulling the sliding block 202 downwards, the cylinder 203 is driven to rotate, meanwhile, the rotating shaft 204 and the gear 205 rotate, and the gear 205 drives the rack 206 and the detecting head 4 to move towards the direction of the through hole 103 when rotating, so that the detecting head 4 extends to the outside, thereby being convenient and simple to operate and strong in practicability.

In one embodiment of the present utility model, the annular belt is made of rubber, so that comfort is improved when the device is worn, the device is convenient to carry as a whole, and the guide block 3 is fixedly arranged at the upper end of the rack 206, so that the guide block 3 performs a limiting and guiding function on the movement track of the rack 206 when moving in the guide groove 102, and the stability of the device in use is improved.

With continued reference to fig. 1-3, a guide groove 102 is formed at the upper end inside the protection box 1, a guide block 3 is slid inside the guide groove 102, the lower end of the guide block 3 is fixedly connected with a rack 206, a detecting head 4 is fixedly mounted at the right end of the rack 206, a through hole 103 is formed at the upper right end of the protection box 1, a blocking cover 5 is inserted into the through hole 103, a spring piece 501 is fixedly mounted at the upper end of the blocking cover 5, one end of the spring piece 501 far away from the blocking cover 5 is fixedly connected with the outer wall of the protection box 1, a limit groove 6 is formed at the lower end of the sliding block 202, a limit device 7 is arranged at the lower left end of the protection box 1, the limit device 7 comprises a limit block 701, a rotating shaft 702, a limit rod 703 and a torsion spring 704, the limit block 701 is fixedly mounted on the outer wall of the protection box 1, the limit block 701 is fixedly mounted with the rotating shaft 702, the torsion spring 704 is sleeved on the outer wall of the rotating shaft 702, two groups of the torsion spring 704 are arranged, one end of the torsion spring 704 is fixedly connected with the limit block 701, the other end of the torsion spring 704 is fixedly connected with the limit rod 703, the right end of the sliding rod 201 is arranged to be in contact with the arc surface 2031, and the sliding rod 201 is arranged at the sliding end 201.

In the embodiment of the utility model, in order to facilitate the storage of the probe 4, when the probe 4 is in the extended state, the telescopic spring 207 is in the stretched state, so that the limit rod 703 is not clamped into the limit groove 6 of the sliding block 202 any more, the sliding block 202 is released from limit, the telescopic spring 207 is elastically contracted, and the probe 4 is automatically driven to move inwards, so that the storage protection of the probe 4 is performed.

During operation (or during use), when the detecting head 4 is required to detect the air quality, through moving the sliding block 202 downwards, the sliding block 202 drives the sliding rod 201 to move downwards, when the sliding rod 201 moves downwards, the sliding rod slides in the sliding groove 2031 of the cylinder 203, the cylinder 203 is driven to rotate, the cylinder 203 can drive the rotating shaft 204 and the gear 205 to rotate, the gear 205 is meshed with the rack 206, the rack 206 drives the detecting head 4 to move rightwards, the detecting head 4 stretches out of the through hole 103, the air quality is convenient to detect, the detecting device is simple and convenient to operate and high in practicability, the telescopic spring 207 at the left end of the rack 206 stretches to generate deformation, the sliding block 202 slides downwards to a certain distance, the limiting rod 703 is inserted into the limiting groove 6 through elastic potential energy of the torsion spring 704, the sliding block 202 can be fixedly limited, the stability of the detecting head 4 during detection is improved, when the detecting head 4 is required to be stored, the upper end of the limiting rod 703 is not clamped in the limiting groove 6, the telescopic spring 207 is elastically contracted, the telescopic spring 206 and the detecting head 4 is driven to move inwards, the detecting head 4 is protected from the inside through the elastic cover 103, the detecting head is protected from the inside of the detecting head 4, and the detecting head is protected from the inside by the elastic cover 5, and the detecting head is protected.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. A portable detection device comprising a protective case (1), characterized in that: the utility model discloses a protection box, including protection box (1), protection box (1) rear end outer wall is last fixed mounting has the annular area, perpendicular groove (101) have been seted up to protection box (1) left end, it has extension fixture (2) to slide in perpendicular groove (101), extension fixture (2) include:

the sliding rod (201) is in sliding connection in the vertical groove (101), and the left end of the sliding rod (201) is fixedly connected with the sliding block (202);

the cylinder (203), the cylinder (203) is fixedly installed on the outer wall of the rotary shaft (204), a chute (2031) is formed in the outer wall of the cylinder (203), the rotary shaft (204) is rotationally connected in the protection box (1), and a gear (205) is fixedly installed on the outer wall of the rotary shaft (204);

and one end of the rack (206) close to the rotating shaft (204) is meshed with the gear (205), and the left end of the rack (206) is fixedly provided with a telescopic spring (207).

2. A portable testing device according to claim 1, wherein: the protection box is characterized in that a guide groove (102) is formed in the upper end of the inside of the protection box (1), a guide block (3) is arranged in the guide groove (102) in a sliding mode, the lower end of the guide block (3) is fixedly connected with a rack (206), and a detection head (4) is fixedly arranged at the right end of the rack (206).

3. A portable testing device according to claim 1, wherein: the protection box is characterized in that a through hole (103) is formed in the upper end of the right side of the protection box (1), a blocking cover (5) is inserted into the through hole (103), a spring piece (501) is fixedly arranged at the upper end of the blocking cover (5), and one end, far away from the blocking cover (5), of the spring piece (501) is fixedly connected with the outer wall of the protection box (1).

4. A portable testing device according to claim 1, wherein: and the lower end of the sliding block (202) is provided with a limiting groove (6).

5. A portable testing device according to claim 1, wherein: the protection box (1) left side lower extreme is provided with stop device (7), stop device (7) are including stopper (701), axis of rotation (702), gag lever post (703) and torsion spring (704), stopper (701) fixed mounting is on protection box (1) left side outer wall, stopper (701) set up to concave, fixed mounting has axis of rotation (702) in stopper (701), rotate on the outer wall of axis of rotation (702) and be connected with gag lever post (703), torsion spring (704) have been cup jointed on the outer wall of axis of rotation (702), torsion spring (704) are provided with two sets of, torsion spring (704) one end and stopper (701) fixed connection, torsion spring (704) other end and gag lever post (703) fixed connection.

6. A portable testing device according to claim 1, wherein: the right end of the sliding rod (201) is provided with an arc surface, and the sliding rod (201) is contacted with the sliding groove (2031).