CN212298433U

CN212298433U - Gas collecting device for atmospheric pollution detection

Info

Publication number: CN212298433U
Application number: CN202020749637.1U
Authority: CN
Inventors: 洪春玲; 朱永超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-05
Anticipated expiration: 2030-05-09

Abstract

The utility model belongs to the technical field of gas collection, in particular to a gas collecting device for atmospheric pollution detection, which comprises a collecting box, wherein the outer side of the collecting box is provided with a fixed sucker, the outer side of the collecting box is fixedly connected with a fixed seat, the fixed sucker is close to one end of the collecting box and is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a rotating ball, the rotating ball rotates in the fixed seat, and both sides of the fixed seat are fixedly connected with a supporting plate; the rotary ball can rotate in the rotary groove through the arrangement, the collecting box can be adjusted in position, gas at different positions can be collected conveniently, the locking bolt is screwed, the extrusion block on the locking bolt can be directly acted on the rotary ball, the extrusion block is extruded, the locking bolts on two sides of the fixing seat can clamp the rotary ball, and therefore fixing is achieved.

Description

Gas collecting device for atmospheric pollution detection

Technical Field

The utility model relates to a gas collection technical field specifically is a gas collecting device for atmospheric pollution detects.

Background

Chinese patent publication (CN 104568522A) discloses a portable gas collecting device, which is characterized in that an airtight box is filled with air to make a bladder in a flattened state, the airtight box is directly fixed on a wall through a suction cup, and the opening and closing member is taken off to suck gas into the bladder along a sampling tube without holding or pinching the sampling bulb by hand, thereby reducing labor intensity, saving time and greatly improving work efficiency, when gas at different positions needs to be collected, the airtight box is rotated, an elastic bulge of a supporting rod is horizontally pulled out from a groove and then rotated for a certain angle, the supporting rod is horizontally pushed to clamp the elastic bulge into the groove, the supporting rod is fixed in a rod body, but the rotation mode can realize fixation through matching of a plurality of elastic bulges and a plurality of grooves, thereby improving the manufacturing cost of the device, and a plurality of parts are inconvenient to install, the using effect of the device is influenced, therefore, a gas collecting device for detecting atmospheric pollution is provided by the technical personnel in the field, so as to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide a gas collecting device for atmospheric pollution detects to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a gas collecting device for atmospheric pollution detects, includes the collecting box, the collecting box outside is equipped with fixed suction cup, collecting box outside fixedly connected with fixing base, fixed suction cup is close to the one end fixedly connected with connecting rod of collecting box, connecting rod one end fixedly connected with rolling ball, the rolling ball rotates in the fixing base, the equal fixedly connected with backup pad in fixing base both sides, two the backup pad is the symmetric distribution, the fixing base outside all is equipped with two locking bolt, two locking bolt respectively with two backup pad threaded connection, two locking bolt one end all runs through the fixing base, and two locking bolt one end all with the rolling ball contact, it has the bolt to peg graft on the connecting rod.

As a further aspect of the present invention: the side of the fixed seat, which is far away from the collecting box, is provided with a rotating groove, and the rotating ball rotates in the rotating groove.

As a further aspect of the present invention: the depth of the rotary groove is greater than the radius of the rotary ball.

As a further aspect of the present invention: two equal fixedly connected with extrusion piece of locking bolt one end, just the extrusion piece material is polyurethane.

As a further aspect of the present invention: and the outer wall of the locking bolt is in threaded connection with a nut.

As a further aspect of the present invention: and one end of the connecting rod, which is close to the collecting box, is provided with a through groove.

As a further aspect of the present invention: the connecting rod runs through and has been seted up the air vent, the air vent with lead to the groove intercommunication, just the bolt is pegged graft and is in lead to the inslot.

Compared with the prior art, the beneficial effects of the utility model are that:

can be at the rotor plate internal rotation through the rotor that sets up, make the collecting box can the adjusting position, be convenient for collect the gas of different positions, twist and move the locking bolt, the extrusion piece that can directly make on the locking bolt is used in the rotor plate, make the extrusion piece receive the extrusion, the locking bolt that can make the fixing base both sides can be holding the rotor plate, thereby accomplish fixedly, this kind sets up simple structure, low in manufacturing cost, the installation of being convenient for, can improve the result of use of device, and the collecting box passes through fixed suction cup to be fixed on the wall, when not using the collecting box, can pull out the bolt, make air vent and logical inslot can circulate gas, be convenient for make the sucking disc break away from the wall, be convenient for separate the collecting box from the wall.

Drawings

FIG. 1 is a schematic structural diagram of a gas collecting device for atmospheric pollution detection;

FIG. 2 is a top view of a gas collection device for atmospheric pollution detection;

FIG. 3 is a schematic structural diagram of a fixing seat and a connecting rod of a gas collecting device for detecting atmospheric pollution;

fig. 4 is a schematic structural diagram of the interior of a fixing seat in a gas collecting device for detecting atmospheric pollution.

In the figure: 1. a collection box; 2. fixing the sucker; 3. a connecting rod; 301. a vent hole; 302. a through groove; 31. rotating the ball; 32. a bolt; 4. a fixed seat; 401. rotating the groove; 41. a support plate; 42. locking the bolt; 421. a nut; 422. and extruding the block.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, an embodiment, a gas collecting device for atmospheric pollution detects, including collecting box 1, 1 outside of collecting box is equipped with fixed suction cup 2, 1 outside fixedly connected with fixing base 4 of collecting box, fixed suction cup 2 is close to the one end fixedly connected with connecting rod 3 of collecting box 1, 3 one end fixedly connected with rolling ball 31 of connecting rod, rolling ball 31 rotates in fixing base 4, the equal fixedly connected with backup pad 41 in fixing base 4 both sides, two backup pads 41 are the symmetric distribution, the fixing base 4 outside all is equipped with two locking bolt 42, two locking bolt 42 respectively with two backup pad 41 threaded connection, fixing base 4 is all run through to two locking bolt 42 one ends, and two locking bolt 42 one ends all contact with rolling ball 31, it has bolt 32 to peg graft on the connecting rod 3.

In fig. 1-3: the collecting box 1 can be fixed on the wall through the fixed sucker 2, the collecting box 1 can collect gas, the principle of collecting gas is consistent with the collecting principle mentioned in the 20 th section of the specification of the portable gas collecting device, the charging port is connected with the air pump, the sealed box is charged with gas, the bladder is in a flattened state, the air pump is removed, the charging port is sealed by the opening and closing piece, the air in the sealed box leaks along the charging port, the bladder is swelled, the gas is sucked into the bladder along the sampling pipe to finish the collecting work of gas, when gas at different positions needs to be collected, only the locking bolt 42 needs to be screwed, the locking bolt 42 removes the limit on the rotating ball 31, the collecting box 1 can rotate under the action of the rotating ball 31, the side of the fixed seat 4, which is far away from the collecting box 1, is provided with the rotating groove 401, the rotating ball 31 rotates in the rotating groove 401, the degree of depth of turn trough 401 is greater than the turning ball 31 radius, the turning ball 31 can be located turn trough 401, at the internal rotation of turn trough 401, and can not deviate from in the turn trough 401, the turning ball 31 can be at the activity of turn trough 401, thereby make collecting box 1 position obtain the change, after the position is confirmed, can twist and move locking bolt 42, make the extrusion piece 422 on the locking bolt 42 can be used in the turning ball 31 on the surface, make the extrusion piece 422 receive the extrusion, can make the locking bolt 42 of fixing base 4 both sides can centre gripping the turning ball 31, thereby accomplish fixedly, this kind sets up simple structure, low in manufacturing cost, and convenient to install, can improve the result of use of device.

In fig. 4: one end of each of the two locking bolts 42 is fixedly connected with an extrusion block 422, the extrusion block 422 is made of polyurethane, the extrusion block 422 can have certain elasticity, the extrusion block 422 can act on the surface of the rotating ball 31, the extrusion block 422 is extruded, the stability of limiting the movement of the rotating ball 31 is improved, the surface of the extrusion block 422, which is contacted with the rotating ball 31, can be provided with a bulge to increase friction force, the outer wall of each locking bolt 42 is in threaded connection with a nut 421, the nuts 421 can fasten the locking bolts 42 to limit the movement of the locking bolts 42, the stability of using the device is improved, one end of the connecting rod 3, which is close to the collecting box 1, is provided with a through groove 302, the connecting rod 3 is provided with a vent hole 301 in a penetrating way, the vent hole 301 is communicated with the through groove 302, the bolt 32 is inserted into the through groove 302, when the collecting box 1 is not used, the, make the air vent 301 and can circulate gas in leading to groove 302, gas effect is in fixed sucking disc 2, is convenient for make fixed sucking disc 2 break away from the wall, is convenient for separate collecting box 1 from the wall.

The utility model discloses a theory of operation is: when the device is used, the collecting box 1 can be fixed on a wall through the fixed suction disc 2, the collecting box 1 can collect gas, when gas at different positions needs to be collected, only the locking bolt 42 needs to be screwed, the locking bolt 42 relieves the limitation on the rotating ball 31, the collecting box 1 can be rotated under the action of the rotating ball 31, the rotating ball 31 can move in the rotating groove 401, so that the position of the collecting box 1 is changed, after the position is determined, the locking bolt 42 can be screwed, the extrusion block 422 on the locking bolt 42 can act on the surface of the rotating ball 31, the extrusion block 422 is extruded, the locking bolts 42 at two sides of the fixed seat 4 can clamp the rotating ball 31, so that the fixing is completed, the device is simple in structure, low in manufacturing cost and convenient to install, the using effect of the device can be improved, the nut 421 can fasten the locking bolt 42 and limit the movement of the locking bolt 42, the stability of the device is improved, when the collecting box 1 is not used, the bolt 32 can be pulled out, air can flow in the vent hole 301 and the through groove 302, the fixed sucker 2 is convenient to separate from the wall, and the collecting box 1 is convenient to separate from the wall.

The above-mentioned, 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

1. A gas collecting device for atmospheric pollution detection comprises a collecting box (1), wherein a fixed sucker (2) is arranged on the outer side of the collecting box (1), and is characterized in that a fixed seat (4) is fixedly connected to the outer side of the collecting box (1), a connecting rod (3) is fixedly connected to one end, close to the collecting box (1), of the fixed sucker (2), a rotating ball (31) is fixedly connected to one end of the connecting rod (3), the rotating ball (31) rotates in the fixed seat (4), supporting plates (41) are fixedly connected to two sides of the fixed seat (4), the two supporting plates (41) are symmetrically distributed, two locking bolts (42) are arranged on the outer side of the fixed seat (4), the two locking bolts (42) are respectively in threaded connection with the two supporting plates (41), one ends of the two locking bolts (42) penetrate through the fixed seat (4), and one end of each of the two locking bolts (42) is in contact with the rotating ball (31), and a bolt (32) is inserted into the connecting rod (3).

2. A gas collecting device for atmospheric pollution detection as defined in claim 1, wherein a rotary slot (401) is opened on a side of said fixing base (4) away from said collecting box (1), and said rotary ball (31) rotates in said rotary slot (401).

3. A gas collection device for atmospheric pollution detection as claimed in claim 2, wherein the depth of said rotating slot (401) is greater than the radius of said rotating ball (31).

4. The gas collecting device for atmospheric pollution detection as recited in claim 1, wherein one end of each of said two locking bolts (42) is fixedly connected with an extrusion block (422), and said extrusion block (422) is made of polyurethane.

5. A gas collecting device for atmospheric pollution detection as claimed in claim 1, wherein a nut (421) is screwed on the outer wall of said locking bolt (42).

6. A gas collecting device for atmospheric pollution detection as claimed in claim 1, wherein a through slot (302) is opened at one end of said connecting rod (3) close to said collecting box (1).

7. A gas collecting device for atmospheric pollution detection as defined in claim 6, wherein said connecting rod (3) has a through hole (301), said through hole (301) is communicated with said through slot (302), and said plug pin (32) is inserted into said through slot (302).