CN212871895U - Explosion-proof dust sampling head with wide application range for sampler - Google Patents

Abstract

The utility model discloses a belong to sample thief technical field, specifically be a wide explosion-proof dust sampler is with sampling head of application scope, including the sample thief, the lower extreme of sample thief transversely is provided with the diaphragm, the fixed connecting block that is provided with of lower lateral wall of diaphragm, the lower extreme of connecting block rotates through first pivot and is provided with the bracing piece of symmetry, the diaphragm with fixed elevating system that is provided with between the sample thief, the left end of sample thief is rotated and is provided with the runner, the outside slip of runner is provided with the sampling pipe, the left end of sampling pipe is fixed and is provided with the sampling head, the fixed first belt pulley that has cup jointed of rod wall of runner, the fixed motor that is provided with of left side wall of sample thief makes the sampling head rotate, increases the collection scope of sampling head to the air, improves the detection precision to the dust greatly.

Description

Explosion-proof dust sampling head with wide application range for sampler

Technical Field

The utility model relates to a sample thief technical field specifically is a wide explosion-proof dust sampling head for sampler of application scope.

Background

With the rapid development of economy, the living standard of people is rapidly improved, and meanwhile, the environment is also polluted greatly. In the years, the environmental awareness of people is gradually enhanced, more and more attention is paid to environment sampling and monitoring, and the monitoring is an important component in environment sample measurement, so that a sampler is needed for detecting dust.

The sampling head is an important component of the sampler, the sampling head and the sampler in the past are fixedly connected, the position is difficult to change, the sampling area is small, the sampling can not be carried out in a large space, the detection error is large, and the detection accuracy is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wide sampling head for explosion-proof dust sampler of application scope to it is fixed between current sampling head and the sample thief to provide in solving above-mentioned background art, collection air on can not be great on a large scale, detects the dust of inside, influences the problem of testing result precision.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling head for an explosion-proof dust sampler with wide application range comprises a sampler, wherein the lower end of the sampler is transversely provided with a transverse plate, the lower side wall of the transverse plate is fixedly provided with a connecting block, the lower end of the connecting block is rotationally provided with symmetrical supporting rods through a first shaft pin, a lifting mechanism is fixedly arranged between the transverse plate and the sampler, a rotating pipe is rotatably arranged at the left end of the sampler, a sampling pipe is arranged outside the rotating pipe in a sliding way, a sampling head is fixedly arranged at the left end of the sampling pipe, the rod wall of the rotating pipe is fixedly sleeved with a first belt pulley, the left side wall of the sampler is fixedly provided with a motor, a connecting rod is fixedly arranged on the left side wall of the motor, a second belt pulley is fixedly arranged on the left end of the connecting rod, the first belt pulley is rotatably connected with the second belt pulley through a belt, and the left side wall of the sampling pipe is fixedly provided with an adjusting mechanism.

Preferably, elevating system includes two fixed blocks, two the fixed block all with the last side wall fixed connection of diaphragm, two the fixed block transversely is provided with two-way lead screw, the left end of two-way lead screw pass through the bearing with rotate between the fixed block and be connected, the lateral wall that the right-hand member of two-way lead screw runs through the fixed block extends to the outside and fixed rotatory piece that is provided with, the pole wall threaded connection of two-way lead screw has the slider of symmetry, two the last lateral wall of slider all rotates through the second axis round pin and is provided with the lifter, two the upper end of lifter is rotated through the third pivot and is provided with places the board, place the last lateral wall of board with the lower side wall fixed connection of sample thief.

Preferably, adjustment mechanism includes the telescopic link, the telescopic link with the left side wall fixed connection of sampling pipe, the fixed riser that is provided with in left end of telescopic link, the upper end of telescopic link transversely is provided with the kelly, the draw-in groove of evenly arranging is seted up to the left side wall of commentaries on classics pipe, the left end of kelly with the right side wall fixed connection of riser, the right-hand member of kelly with the joint between the draw-in groove, the fixed cover in outside of telescopic link has connect the spring, the left end of spring with the right side wall fixed connection of riser, the right-hand member of spring with the left side wall fixed connection of sampling pipe.

Preferably, a handle is fixedly arranged at the upper end of the sampler.

Preferably, the motor is an asynchronous speed reduction motor.

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

through the common cooperation of rotating pipe, sampling pipe, motor, connecting rod, first belt pulley, second belt pulley, fixed block, two-way lead screw, rotatory piece, slider and lifter, make the sampling head rotate, increase the collection scope of sampling head to the air, improve the detection precision to the dust greatly.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the sampling device comprises a sampler 1, a transverse plate 2, a connecting block 3, a supporting rod 4, a rotating pipe 5, a sampling pipe 6, a sampling head 7, a first belt pulley 8, a motor 9, a connecting rod 10, a second belt pulley 11, a fixed block 12, a bidirectional screw rod 13, a rotating block 14, a sliding block 15, a lifting rod 16, a placing plate 17, a lifting rod 18, a vertical plate 19, a clamping rod 20 and a spring 21.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: the sampling device comprises a sampler 1, wherein a transverse plate 2 is transversely arranged at the lower end of a sampler 1 of the sampler 1, a connecting block 3 is fixedly arranged on the lower side wall of the transverse plate 2, symmetrical supporting rods 4 are rotatably arranged at the lower end of the connecting block 3 through a first shaft pin, a lifting mechanism is fixedly arranged between the transverse plate 2 and the sampler 1, a rotating tube 5 is rotatably arranged at the left end of the sampler 1, a sampling tube 6 is slidably arranged outside the rotating tube 5, a sampling head 7 is fixedly arranged at the left end of the sampling tube 6, a first belt pulley 8 is fixedly sleeved on the rod wall of the rotating tube 5, a motor 9 is fixedly arranged on the left side wall of the sampler 1, a connecting rod 10 is fixedly arranged on the left side wall of the motor 9, a second belt pulley 11 is fixedly arranged at the left end of the connecting rod 10, the first belt pulley;

the lifting mechanism comprises two fixed blocks 12, the two fixed blocks 12 are fixedly connected with the upper side wall of the transverse plate 2, two-way screw rods 13 are transversely arranged on the two fixed blocks 12, the left ends of the two-way screw rods 13 are rotatably connected with the fixed blocks 12 through bearings, the right ends of the two-way screw rods 13 penetrate through the side walls of the fixed blocks 12 to extend to the outside and are fixedly provided with rotating blocks 14, the rod walls of the two-way screw rods 13 are in threaded connection with symmetrical slide blocks 15, the upper side walls of the two slide blocks 15 are respectively rotatably provided with lifting rods 16 through second shaft pins, the upper ends of the two lifting rods 16 are rotatably provided with a placing plate 17 through third shaft pins, the upper side walls of the placing plates 17 are fixedly connected with the lower side;

the adjusting mechanism comprises an expansion link 18, the expansion link 18 is fixedly connected with the left side wall of the sampling tube 6, a vertical plate 19 is fixedly arranged at the left end of the expansion link 18, a clamping rod 20 is transversely arranged at the upper end of the expansion link 18, clamping grooves which are uniformly distributed are formed in the left side wall of the rotating tube 5, the left end of the clamping rod 20 is fixedly connected with the right side wall of the vertical plate 19, the right end of the clamping rod 20 is clamped with the clamping grooves, a spring 21 is fixedly sleeved outside the expansion link 18, the left end of the spring 21 is fixedly connected with the right side wall of the vertical plate 19, the right end of the spring 21 is fixedly connected with the left side wall of the sampling tube 6, and;

a handle is fixedly arranged at the upper end of the sampler 1;

the motor 9 adopts an asynchronous speed reducing motor.

The working principle is as follows: during the use, rotate rotatory piece 14, rotatory piece 14 drives the two-way lead screw 13 of left side wall fixed connection and rotates, two-way lead screw 13 drives the slider 15 motion of pole wall threaded connection, two sliders 15 drive the lifter 16 that the side wall rotates the connection and move, two lifters 16 drive the board 17 of placing that the side wall rotated the connection and move upwards, pulling riser 19, riser 19 drives the card pole 20 motion of lateral wall fixed connection, make separately between card pole 20 and the draw-in groove, remove sampling pipe 6, starter motor 9, motor 9 drives the connecting rod 10 rotation of left end fixed connection, connecting rod 10 drives second belt pulley 11 and rotates, second belt pulley 11 drives first belt pulley 8 through the belt and rotates, first belt pulley 8 drives pipe 5 and rotates, pipe 5 drives sampling pipe 6 and rotates, sampling pipe 6 drives sampling head 7 rotation of lateral wall fixed connection, gather the air in the great space.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The sampling head for the explosion-proof dust sampler with wide application range comprises a sampler (1) and is characterized in that a transverse plate (2) is transversely arranged at the lower end of the sampler (1), a connecting block (3) is fixedly arranged on the lower side wall of the transverse plate (2), symmetrical supporting rods (4) are arranged at the lower end of the connecting block (3) in a rotating mode through a first shaft pin, a lifting mechanism is fixedly arranged between the transverse plate (2) and the sampler (1), a rotating pipe (5) is arranged at the left end of the sampler (1) in a rotating mode, a sampling pipe (6) is slidably arranged outside the rotating pipe (5), a sampling head (7) is fixedly arranged at the left end of the sampling pipe (6), a first belt pulley (8) is fixedly sleeved on the rod wall of the rotating pipe (5), a motor (9) is fixedly arranged on the left side wall of the sampler (1), and a connecting rod (10) is fixedly arranged on the left side wall, the left end of connecting rod (10) is fixed and is provided with second belt pulley (11), first belt pulley (8) are connected through rotating between belt and second belt pulley (11), the fixed adjustment mechanism that is provided with of left side wall of sampling pipe (6).

2. The sampling head for the explosion-proof dust sampler with wide application range according to claim 1 is characterized in that: the lifting mechanism comprises two fixed blocks (12), the two fixed blocks (12) are both fixedly connected with the upper side wall of the transverse plate (2), two bidirectional screw rods (13) are transversely arranged on the two fixed blocks (12), the left end of the bidirectional screw rod (13) is rotationally connected with the fixed block (12) through a bearing, the right end of the bidirectional screw rod (13) penetrates through the side wall of the fixed block (12) to extend to the outside and is fixedly provided with a rotating block (14), the rod wall of the bidirectional screw rod (13) is in threaded connection with symmetrical sliding blocks (15), the upper side walls of the two sliding blocks (15) are respectively provided with a lifting rod (16) through a second shaft pin in a rotating way, the upper ends of the two lifting rods (16) are provided with a placing plate (17) through a third shaft pin in a rotating way, the upper side wall of the placing plate (17) is fixedly connected with the lower side wall of the sampler (1).

3. The sampling head for the explosion-proof dust sampler with wide application range according to claim 1 is characterized in that: adjustment mechanism includes telescopic link (18), telescopic link (18) with the left side wall fixed connection of sampling pipe (6), the left end of telescopic link (18) is fixed and is provided with riser (19), the upper end of telescopic link (18) transversely is provided with kelly (20), the draw-in groove of evenly arranging is seted up to the left side wall of commentaries on classics pipe (5), the left end of kelly (20) with the right side wall fixed connection of riser (19), the right-hand member of kelly (20) with joint between the draw-in groove, spring (21) have been cup jointed to the external fixation of telescopic link (18), the left end of spring (21) with the right side wall fixed connection of riser (19), the right-hand member of spring (21) with the left side wall fixed connection of sampling pipe (6).

4. The sampling head for the explosion-proof dust sampler with wide application range according to claim 1 is characterized in that: the upper end of the sampler (1) is fixedly provided with a handle.

5. The sampling head for the explosion-proof dust sampler with wide application range according to claim 1 is characterized in that: the motor (9) adopts an asynchronous speed reducing motor.

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