CN211853343U - Fixed chassis of two gas circuit atmospheric sampling appearance - Google Patents

Abstract

The utility model discloses a fixed chassis of two gas circuits atmospheric sampling appearance, including placing the board, it is provided with the dead lever to place board bottom middle part fixed. The utility model discloses down press the installation cover when supporting the installation, and will promote to install through movable support rod and place board bottom regulation pole bottom all around and remove, wait to adjust the pole and remove after and fix the installation cover through the spacing swivel nut of spiral shell, thereby it improves the fastness of adjusting the pole when carrying out the work to carry out fixed stay with adjusting the pole, and the laminating nature when adjusting the pole and supporting the angular augmentation that will adjust the piece through universal head and ground contact, and rethread movable sleeve down presses the stable branch cover, wait to press and fix through the butt joint of bullet knot and card hole when adjusting the relative position, the angle of stable branch cover is adjusted to the rethread connecting axle contacts with ground and increases the area of contact with ground, it is convenient not only to operate like this and can also increase the steadiness of whole device when using.

Description

Fixed chassis of two gas circuit atmospheric sampling appearance

Technical Field

The utility model relates to a two gas circuit atmospheric sampling appearance technical field specifically is a two fixed chassis of gas circuit atmospheric sampling appearance.

Background

The atmospheric sampling instrument is only one part of the sampling instrument, and also comprises an individual sampling instrument, a dust toxicity sampling instrument, an explosion-proof sampling instrument and the like, the atmospheric sampling instrument plays a good role in detecting harmful gases in air and environment, and the atmospheric sampling instrument is a new product continuously pushed out along with the continuous progress of science and technology;

the fixed underframe of the traditional double-air-path atmospheric sampling instrument has the following defects;

at present, two gas circuit atmosphere sampling appearance all can use when a lot of families are decorated, and common two gas circuit atmosphere sampling appearance all uses the support to install and fix when using, and common support stability is not enough when using fixedly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two gas circuit atmospheric sampling appearance fixed chassis 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 two gas circuit atmospheric sampling appearance fixed chassis, is including placing the board, it is fixed to be provided with the dead lever to place board bottom middle part, upper end activity is provided with the installation cover in the dead lever, the fixed spacing swivel nut that is provided with in installation cover top, it all has the regulation pole all to move about all around to place the board bottom, the equal activity in stiff end bottom of adjusting the pole is provided with the installation axle, installation axle and installation cover outside all around between all the activity be provided with movable branch, it is provided with a piece all to adjust the equal activity in pole bottom and be provided with universal head and universal head bottom, the equal activity in flexible end bottom of adjusting the pole is provided with the movable sleeve, the equal activity of movable sleeve front side lower extreme, rear side lower extreme is provided with the connecting axle, all.

Preferably, a placing groove is formed in the middle of the top end of the placing plate, grooves are formed in the upper ends of the two sides of the inside of the placing groove, clamping plates are movably arranged in the grooves, limiting screws are movably arranged on one sides of the clamping plates far away from the grooves, and the ends of the limiting screws far away from the clamping plates penetrate through the placing plate.

Preferably, the placing plate is provided with screw grooves at the opposite positions of the limiting screw rods.

Preferably, the stabilizing support sleeves are of a circular truncated cone structure, and the stabilizing support sleeves and the support blocks are made of rubber materials.

Preferably, the front side and the rear side of the upper end in the movable sleeve are movably provided with elastic buckles, and the front side and the rear bottom end of the telescopic end of the adjusting rod are provided with middle and lower ends which are provided with clamping holes.

Preferably, the opposite sides of the clamping plates are fixedly provided with silica gel layers.

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

1. the utility model discloses press down the installation cover when supporting the installation, and will promote through activity branch to install and place the regulation pole bottom all around of board bottom and move all around, wait to adjust the pole and remove after the back again and fix the installation cover through the spacing swivel nut of spiral shell, then will carry out fixed support to activity branch and regulation pole so as to improve the fastness of regulation pole when carrying out work, and will adjust the laminating nature when the angle of piece increases and ground contact through universal head when adjusting the pole and supporting, and rethread activity cover is pressed down and is stabilized the brace, wait to press to fix through the butt joint of hasp and card hole when relative position, rethread connecting axle is adjusted the angle of stabilizing the brace and is contacted with ground and increase the area of contact with ground, the operation is not only convenient but also can increase the steadiness of whole device when using like this;

2. the utility model discloses set up simultaneously and all install splint through the recess in the inside both sides of standing groove on placing the board top, and splint all install stop screw in the equal spiral shell of one side of keeping away from the recess, and stop screw all passes the board of placing in the one end of keeping away from splint, places the inside back of standing groove on placing the board top in the instrument bottom like this, and the stop screw who rotates both sides again moves toward standing groove one side, then will drive splint and move toward standing groove one side and make splint and instrument bottom activity butt joint fix can.

Drawings

FIG. 1 is a schematic view of the overall structure of a fixed chassis of a dual-air-path atmospheric sampling instrument according to the present invention;

fig. 2 is an enlarged structural view of a position a in fig. 1 in a fixed chassis of the dual-air-path atmospheric sampling instrument of the present invention;

fig. 3 is an enlarged structure diagram of B in fig. 1 in the fixed chassis of the dual-air-path atmospheric sampling instrument of the present invention.

In the figure: 1. supporting a block; 2. stabilizing the supporting sleeve; 3. installing a shaft; 4. adjusting a rod; 5. a movable strut; 6. placing the plate; 7. a placement groove; 8. a limiting screw sleeve; 9. installing a sleeve; 10. fixing the rod; 11. a splint; 12. a groove; 13. a limit screw; 14. a movable sleeve; 15. and (7) connecting the shafts.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a fixed underframe of a double-air-path atmospheric sampling instrument comprises a placing plate 6, a fixed rod 10 is fixedly arranged in the middle of the bottom end of the placing plate 6 through screws, a mounting sleeve 9 is movably arranged at the upper end of the fixed rod 10, a limiting screw sleeve 8 is fixedly arranged at the top end of the mounting sleeve 9, adjusting rods 4 are fixedly arranged on the periphery of the bottom end of the placing plate 6 through hinges, mounting shafts 3 are fixedly arranged at the bottom ends of the fixed ends of the adjusting rods 4 through screws, movable support rods 5 are movably arranged between the mounting shafts 3 and the periphery of the outer part of the mounting sleeve 9 through rotating shafts, universal heads are fixedly arranged at the bottom ends of the adjusting rods 4, support blocks 1 are movably arranged at the bottom ends of the universal heads, movable sleeves 14 are movably arranged at the bottom, the lower end of the rear side is fixedly provided with a connecting shaft 15 through a screw, and a stable supporting sleeve 2 is fixedly arranged between the bottom ends of the connecting shafts 15.

A placing groove 7 is formed in the middle of the top end of the placing plate 6, grooves 12 are formed in the upper ends of two sides of the interior of the placing groove 7, clamping plates 11 are movably arranged in the grooves 12, limiting screw rods 13 are mounted on the sides, far away from the grooves 12, of the clamping plates 11 in a screwing mode, the limiting screw rods 13 penetrate through the placing plate 6 at the ends, far away from the clamping plates 11, and therefore after the bottom end of an instrument is placed in the placing groove 7 in the top end of the placing plate 6, the limiting screw rods 13 on the two sides are rotated to move towards one side of the placing groove 7, the clamping plates 11 are driven to move towards one side of the placing groove 7, and the clamping; the placing plate 6 is provided with screw grooves at the opposite positions of the limit screw rods 13, so that the limit screw rods 13 and the clamping plates 11 can be screwed through the screw grooves to move towards one side of the placing groove 7; the stable supporting sleeves 2 are both in a round table structure, and the stable supporting sleeves 2 and the supporting blocks 1 are both made of rubber materials, so that the friction force during supporting is increased conveniently; the front side and the rear side of the upper end in the movable sleeve 14 are movably provided with elastic buckles, the middle lower end and the lower end of the bottom end of the telescopic end and the bottom end of the rear side of the adjusting rod 4 are respectively provided with a clamping hole, and therefore the movable sleeve 14 can be fixed through the movable butt joint of the elastic buckles and the clamping holes in the moving process of the movable sleeve 14; the opposite side of the clamping plate 11 is fixedly provided with a silica gel layer, so that the friction force during clamping is increased through the silica gel layer.

The working principle is as follows: the utility model presses down the mounting sleeve 9 when supporting and mounting, and the adjusting rod 4 which is arranged around the bottom end of the placing plate 6 is pushed by the movable support rod 5 to move around, after the adjusting rod 4 moves, the mounting sleeve 9 is fixed by the screw-driven limit screw sleeve 8, the movable support rod 5 and the adjusting rod 4 are fixedly supported, thereby improving the firmness of the adjusting rod 4 when working, and when the adjusting rod 4 is supported, the attaching performance when contacting with the ground is increased by the angle of the universal head adjusting support block 1, and the stabilizing support sleeve 2 is pressed down by the movable sleeve 14, when the relative position is pressed, the fixing is carried out by the butt joint of the elastic buckle and the clamping hole, then the angle of the stabilizing support sleeve 2 is adjusted by the connecting shaft 15, the contact area of the angle with the ground is increased, thus the operation is convenient, and the stability of the whole device when in use can also be increased, set up simultaneously and all install splint 11 through recess 12 in the inside both sides of standing groove 7 on standing plate 6 top, and splint 11 all install stop screw 13 in the equal spiral shell of one side of keeping away from recess 12, and stop screw 13 all passes standing plate 6 in the one end of keeping away from splint 11, place the inside back of standing groove 7 on standing plate 6 top in the instrument bottom like this, the stop screw 13 of rotating both sides simultaneously again moves toward standing groove 7 one side, then will drive splint 11 and move toward standing groove 7 one side and make splint 11 and instrument bottom activity butt joint fixed can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. The utility model provides a fixed chassis of two gas circuits atmospheric sampling appearance, is including placing board (6), its characterized in that: a fixed rod (10) is fixedly arranged in the middle of the bottom end of the placing plate (6), an installation sleeve (9) is movably arranged at the upper end of the fixed rod (10), a limiting screw sleeve (8) is fixedly arranged at the top end of the mounting sleeve (9), adjusting rods (4) are movably arranged around the bottom end of the placing plate (6), the bottom end of the fixed end of the adjusting rod (4) is movably provided with an installation shaft (3), movable supporting rods (5) are movably arranged between the outer peripheries of the mounting shaft (3) and the mounting sleeve (9), universal heads are fixedly arranged at the bottom ends of the adjusting rods (4), supporting blocks (1) are movably arranged at the bottom ends of the universal heads, the bottom ends of the telescopic ends of the adjusting rods (4) are respectively and movably provided with a movable sleeve (14), the lower end of the front side and the lower end of the rear side of the movable sleeve (14) are both movably provided with a connecting shaft (15), and a stable supporting sleeve (2) is fixedly arranged between the bottom ends of the connecting shafts (15).

2. The fixed chassis of a dual-air-circuit atmospheric sampling instrument of claim 1, wherein: place board (6) top middle part and seted up standing groove (7), standing groove (7) inside both sides upper end all is seted up fluted (12), the inside equal activity of recess (12) is provided with splint (11), splint (11) are all provided with stop screw (13) in the one side of keeping away from recess (12) activity, stop screw (13) are all passed and are placed board (6) in the one end of keeping away from splint (11).

3. The fixed chassis of a dual-air-circuit atmospheric sampling instrument of claim 2, wherein: the placing plate (6) is provided with screw grooves at the relative position of the limiting screw rod (13).

4. The fixed chassis of a dual-air-circuit atmospheric sampling instrument of claim 1, wherein: the stable supporting sleeves (2) are all in a round platform structure, and the stable supporting sleeves (2) and the supporting blocks (1) are all made of rubber materials.

5. The fixed chassis of a dual-air-circuit atmospheric sampling instrument of claim 1, wherein: the front side and the rear side of the upper end in the movable sleeve (14) are movably provided with elastic buckles, and the front side and the rear side of the bottom end of the telescopic end of the adjusting rod (4) are provided with middle and lower ends which are provided with clamping holes.

6. The fixed chassis of a dual-air-circuit atmospheric sampling instrument of claim 2, wherein: and a silica gel layer is fixedly arranged on one side opposite to the clamping plate (11).

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