CN215640414U

CN215640414U - Quick plugging device for sampling hole

Info

Publication number: CN215640414U
Application number: CN202121181758.1U
Authority: CN
Inventors: 蒋鹏; 戴海荣; 罗飞; 陈宇峰
Original assignee: Jiangsu Yitest Testing Technology Co ltd
Current assignee: Jiangsu Yitest Testing Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-25
Anticipated expiration: 2031-05-31

Abstract

The utility model belongs to the field of sampling pipes, and particularly relates to a quick sampling hole plugging device which comprises a sampling pipe body, an annular air bag and an inflatable bag; the annular air bag is sleeved on the surface of the sampling pipe body and is fixedly connected with the sampling pipe body; a first hose is fixedly connected to the side surface of the annular air bag; the bottom end of the first hose is fixedly connected with a one-way valve; the inflatable bag is fixedly connected to the bottom end of the one-way valve; an air inlet valve is fixedly connected to the bottom of the inflatable bag, so that sampling holes with different sizes and shapes can be plugged, and the inflatable bag is convenient for workers to use; through setting up annular gasbag, gas cell, first hose, check valve, admission valve, rely on above-mentioned part to cooperate each other, expand through annular gasbag to this can carry out the shutoff to the sampling hole of different sizes and shape, thereby the staff of being convenient for carries out the sampling work.

Description

Quick plugging device for sampling hole

Technical Field

The utility model relates to the field of sampling pipes, in particular to a quick plugging device for a sampling hole.

Background

The sampling pipe is a pipe used for collecting gas or liquid, the end part of the sampling pipe is arranged on a sampling device, and gas and liquid are sucked through negative pressure.

When industrial waste gas is sampled, a sampling hole is formed in the exhaust pipe, a worker inserts the sampling pipe into the exhaust pipe from the sampling hole, then the waste gas is extracted from the exhaust pipe through negative pressure, when the waste gas is extracted, the worker can plug a gap between the sampling hole and the sampling pipe by adopting a proper material, but when the waste gas is sampled, the size and the shape of the sampling hole are different, the worker cannot find the proper material to plug the gap quickly on the sampling site, and therefore the sampling work of the worker is not facilitated; therefore, the sampling hole quick plugging device is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick sampling hole stopper, aiming at overcoming the defects of the prior art and solving the problems that during sampling, the sizes and the shapes of sampling holes are different, and workers cannot find proper materials quickly for blocking on a sampling site, so that the sampling work is inconvenient for the workers.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a rapid plugging device for a sampling hole, which comprises a sampling pipe body, an annular air bag and an inflatable bag; the annular air bag is sleeved on the surface of the sampling pipe body and is fixedly connected with the sampling pipe body; a first hose is fixedly connected to the side surface of the annular air bag; the bottom end of the first hose is fixedly connected with a one-way valve; the inflatable bag is fixedly connected to the bottom end of the one-way valve; the bottom of the inflatable bag is fixedly connected with an air inlet valve, so that sampling holes with different sizes and shapes can be plugged, and the inflatable bag is convenient for workers to use.

Preferably, a second hose is fixedly connected to the first hose; an exhaust funnel is fixedly connected to one end, far away from the first hose, of the second hose; a sealing column is connected in the exhaust cylinder through threads; a sealing ring is arranged inside the exhaust cylinder; the sealing ring is arranged at the top of the sealing column so as to discharge the air in the annular air bag.

Preferably, a third hose is fixedly connected to the second hose; an air exhaust assembly is arranged at the end part of the third hose; the air extraction assembly comprises an air extraction cylinder and a switch unit; the air pumping cylinder is fixedly connected to the bottom end of the third hose; an exhaust cavity is formed in the exhaust cylinder; the top of the exhaust cavity is provided with an exhaust hole; the air suction hole is communicated with the first hose through a third hose; the inner part of the air pumping cylinder is connected with a piston block in a sliding manner; the bottom of the piston block is fixedly connected with a fixing plate; a pull rod is fixedly connected to the bottom side of the fixed plate; the pull rod penetrates through the bottom side wall body of the exhaust cavity; a first spring is sleeved on the pull rod in the exhaust cavity; a second spring is fixedly connected to the bottom side of the exhaust cavity; the top end of the second spring is fixedly connected with a sealing plug; a through hole is formed in the position, corresponding to the sealing plug, of the piston block, and the through hole penetrates through the fixing plate; the sealing plug is in interference fit with the bottom end of the through hole; the switch unit is arranged at the top of the exhaust cavity to extract residual air in the annular air bag, so that the annular air bag is more shriveled, and the use of workers is facilitated.

Preferably, the switch unit includes a sealing plate; a third spring is fixedly connected to the top side of the air exhaust hole; the sealing plate is fixedly connected to the bottom end of the third spring; the bottom of the air exhaust hole is fixedly connected with a rubber ring; the sealing plate is arranged at the bottom of the rubber ring; the bottom side of the sealing plate is fixedly connected with a connecting rope; the end part of the connecting rope is fixedly connected with the fixed plate, and when the piston block is prevented from resetting upwards through the sealing cover, gas enters the annular air bag again through the air exhaust hole.

Preferably, the switch unit includes a sealing plate; a third spring is fixedly connected to the top side of the air exhaust hole; the sealing plate is fixedly connected to the bottom end of the third spring; the bottom of the air exhaust hole is fixedly connected with a rubber ring; the sealing plate is arranged at the bottom of the rubber ring; the bottom side of the sealing plate is fixedly connected with a connecting rope; the end part of the connecting rope is fixedly connected with the fixing plate, and the pull rod can be conveniently moved by a worker through the arrangement.

Preferably, the top end of the holding rod is fixedly connected with a rubber sleeve, the palm of a worker can be protected by the rubber sleeve, and meanwhile, the anti-skidding function can be achieved.

The utility model has the advantages that:

1. according to the utility model, by arranging the annular air bag, the inflatable bag, the first hose, the one-way valve and the air inlet valve, and depending on the mutual matching of the parts, the annular air bag is expanded, so that sampling holes with different sizes and shapes can be plugged, and therefore, sampling work can be conveniently carried out by workers.

2. According to the utility model, the air pumping cylinder, the third hose, the piston block, the first spring, the second spring, the third spring, the sealing plug, the fixing plate, the pull rod, the connecting rope and the sealing cover are arranged, and the parts are mutually matched, so that air in the annular air bag can be pumped, the volume of the annular air bag is reduced, and the insertion of the sampling tube body is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the structure of an annular bladder according to the first embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a drawbar structure according to the first embodiment;

fig. 4 is a schematic structural view of the elastic support sheet according to the second embodiment.

In the figure: 11. a sampling tube body; 12. an annular air bag; 13. a first hose; 14. a one-way valve; 15. an air-filled bag; 16. an intake valve; 21. a second hose; 22. an exhaust funnel; 23. sealing the column; 24. a seal ring; 41. a third hose; 42. an air pumping cylinder; 421. an exhaust chamber; 422. an air exhaust hole; 43. a piston block; 44. a fixing plate; 45. a pull rod; 46. a through hole; 47. a sealing plug; 51. a sealing plate; 52. connecting ropes; 53. a rubber ring; 61. a holding rod; 62. a moving block; 63. a round bar; 7. a rubber sleeve; 8. an elastic support sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-3, the rapid sampling hole stopper comprises a sampling tube body 11, an annular air bag 12 and an inflatable bag 15; the annular air bag 12 is sleeved on the surface of the sampling tube body 11 and is fixedly connected with the surface; a first hose 13 is fixedly connected to the side surface of the annular air bag 12; the bottom end of the first hose 13 is fixedly connected with a one-way valve 14; the inflatable bag 15 is fixedly connected to the bottom end of the one-way valve 14; an air inlet valve 16 is fixedly connected to the bottom of the inflatable bag 15; when the sampling tube is used, the sampling tube body 11 is inserted into an exhaust tube, the annular air bag 12 is placed at a sampling port, air is extruded into the first hose 13 by extruding the air bag 15, then the air is transported into the annular air bag 12 through the first hose 13, then the annular air bag 12 is expanded, then the force extruding the air bag 15 is removed, then the air bag 15 is recovered, the air is sucked into the air bag 15 through the air inlet valve 16, the air is prevented from being sucked into the air bag 15 from the annular air bag 12 through the one-way valve 14, a gap between the sampling tube body 11 and the sampling hole can be plugged through the annular air bag 12, the surface of the annular air bag 12 can automatically adapt to the shape of the sampling hole when the annular air bag 12 is expanded, so that sampling holes with different sizes and shapes can be plugged, and therefore the sampling holes can be used by workers conveniently.

A second hose 21 is fixedly connected to the first hose 13; an exhaust funnel 22 is fixedly connected to one end of the second hose 21 far away from the first hose 13; a sealing column 23 is connected in the exhaust cylinder 22 through threads; a sealing ring 24 is arranged in the exhaust cylinder 22; the sealing ring 24 is arranged at the top of the sealing column 23; when the air-tight device is used, the sealing column 23 is rotated by hand to take out the sealing column 23 from the exhaust pipe 22, and then the air in the annular air bag 12 is discharged through the first hose 13 and the second hose 21 to the outside, so that the air in the annular air bag 12 is discharged, and the sealing performance can be improved by providing the sealing ring 24, and the air in the annular air bag 12 can be prevented from leaking during use.

A third hose 41 is fixedly connected to the second hose 21; an air exhaust assembly is arranged at the end part of the third hose 41; the air pumping assembly comprises an air pumping cylinder 42 and a switch unit; the air pumping cylinder 42 is fixedly connected to the bottom end of the third hose 41; an exhaust cavity 421 is formed in the air pumping cylinder 42; the top of the exhaust cavity 421 is provided with an exhaust hole 422; the suction hole 422 is communicated with the first hose 13 through the third hose 41; the inside of the air pumping cylinder 42 is slidably connected with a piston block 43; the bottom of the piston block 43 is fixedly connected with a fixing plate 44; a pull rod 45 is fixedly connected to the bottom side of the fixed plate 44; the pull rod 45 penetrates through the bottom side wall body of the exhaust cavity 421; a first spring is sleeved on the pull rod 45 in the exhaust cavity 421; a second spring is fixedly connected to the bottom side of the exhaust cavity 421; a sealing plug 47 is fixedly connected to the top end of the second spring; a through hole 46 is formed in the piston block 43 at a position corresponding to the sealing plug 47, and the through hole 46 penetrates through the fixing plate 44; the sealing plug 47 is in interference fit with the bottom end of the through hole 46; the switch unit is arranged at the top of the exhaust cavity 421; the switch unit includes a sealing plate 51; a third spring is fixedly connected to the top side of the air pumping hole 422; the sealing plate 51 is fixedly connected to the bottom end of the third spring; the bottom of the air pumping hole 422 is fixedly connected with a rubber ring 53; the sealing plate 51 is arranged at the bottom of the rubber ring 53; a connecting rope 52 is fixedly connected to the bottom side of the sealing plate 51; the end part of the connecting rope 52 is fixedly connected with the fixing plate 44; after the air is exhausted, a small amount of air remains in the annular air bag 12, when the size of the sampling hole is close to that of the annular air bag 12, the annular air bag 12 is difficult to insert into the sampling hole due to the air, after the air is exhausted, the pull rod 45 is pulled downwards, then the piston block 43 moves downwards, the air pressure in the exhaust cavity 421 is reduced due to the movement of the piston block 43, when the piston block 43 moves to the bottom, the fixing plate 44 pulls the sealing plate 51 downwards through the connecting rope 52, the sealing plate 51 is separated from the rubber ring 53, then the negative pressure in the exhaust cavity 421 sucks the air in the annular air bag 12 through the third hose 41 and the first hose 13, at this time, the first hose 13 at the top of the air bag 15 is clamped by the clamp, so as to avoid the air in the air bag 15 being sucked, the force pulling the pull rod 45 is removed, then the first spring is stretched, so that the fixing plate 44 and the piston block 43 are reset upwards, then connect rope 52 and relax, the third spring drives the closing plate 51 and resets, then sealed aspirating hole 422, the atmospheric pressure in the chamber 421 of later exhausting risees, then atmospheric pressure pushes up sealing plug 47 downwards, the second spring contracts, later gas relies on through-hole 46 to outwards discharge, then repeat above-mentioned operation, extract remaining air in the annular gasbag 12 with this, thereby make annular gasbag 12 shrivelled more, so that staff's use, when can avoiding piston block 43 upwards to reset through setting up sealed lid, it is gaseous through aspirating hole 422 reentrant annular gasbag 12 in.

A pair of holding rods 61 are symmetrically and rotatably connected to two sides of the bottom end of the air pumping cylinder 42; the bottom end of the holding rod 61 is fixedly connected with a round rod 63; a moving block 62 is fixedly connected to the bottom end of the pull rod 45; a sliding groove is formed in the moving block 62; the round rod 63 is connected in the sliding groove in a sliding manner; the top end of the holding rod 61 is fixedly connected with a rubber sleeve 7; in the use, when pull rod 45 is removed to needs, press two holding rods 61 with the hand, then holding rod 61 rotates, later round bar 63 can slide in the spout, then cooperate through with movable block 62, with this can carry out downstream pull rod 45, more laborsaving when can making the staff press through the principle of laborsaving lever, can be convenient for the staff to remove pull rod 45 through the aforesaid setting, can protect staff's palm through setting up rubber sleeve 7, can play skid-proof function simultaneously.

Example two

Referring to fig. 4, in a first comparative example, as another embodiment of the present invention, a group of elastic support sheets 8 is fixedly connected to an inner side wall of the annular air bag 12, and the elastic support sheets 8 are U-shaped sheets; when using, annular gasbag 12 material is thinner, when bleeding, be close to two inside walls of annular gasbag 12 of first hose 13 one side and can laminate, make and keep away from the unable discharge of air in the annular gasbag 12 of first hose 13 one side with this, thereby lead to the unable complete extraction of air in the annular gasbag 12, and then lead to taking place the swell, can support the inside wall of annular gasbag 12 through elastic support piece 8, make it unable laminating, thereby can avoid the production of air pocket.

The working principle is that when in use, the sampling tube body 11 is inserted into an exhaust tube, then the annular air bag 12 is placed at a sampling port, then air is extruded into the first hose 13 by extruding the air bag 15, then the air is transported into the annular air bag 12 through the first hose 13, then the annular air bag 12 is expanded, then the force extruding the air bag 15 is removed, then the air bag 15 is recovered, the air is sucked into the air bag 15 through the air inlet valve 16, the air is prevented from being sucked into the air bag 15 from the annular air bag 12 through the check valve 14, the gap between the sampling tube body 11 and the sampling hole can be plugged through the annular air bag 12, the surface of the annular air bag 12 can automatically adapt to the shape of the sampling hole when the annular air bag 12 is expanded, so that sampling holes with different sizes and shapes can be plugged, the use of workers is facilitated, after the use is finished, the sealing column 23 is rotated by hand, the sealing column 23 is taken out from the exhaust cylinder 22, then the air in the annular air bag 12 is discharged outwards through the first hose 13 and the second hose 21, so that the air in the annular air bag 12 is discharged, the sealing performance can be improved by arranging the sealing ring 24, when the annular air bag is used, the air in the annular air bag 12 is prevented from leaking, a small amount of gas can remain in the annular air bag 12 after the air is discharged, when the size of the sampling hole is close to that of the annular air bag 12, the gas can make the annular air bag 12 difficult to be inserted into the sampling hole, after the air is discharged, when the pull rod 45 needs to be moved, two holding rods 61 are pressed by hands, then the holding rods 61 rotate, then the round rods 63 can slide in the sliding grooves, then the round rods are matched with the moving block 62, so that the pull rod 45 can be moved downwards, and the labor can be saved when a worker presses through the principle of a labor-saving lever, through the arrangement, the pull rod 45 can be conveniently moved by an operator, the palm of the operator can be protected by arranging the rubber sleeve 7, and meanwhile, the anti-skid function can be achieved, the pull rod 45 moves downwards, then the piston block 43 moves downwards, the air pressure in the exhaust cavity 421 can be reduced due to the movement of the piston block 43, when the piston block 43 moves to the bottom, the fixing plate 44 pulls the sealing plate 51 downwards through the connecting rope 52, the sealing plate 51 is separated from the rubber ring 53, then the negative pressure of the exhaust cavity 421 can suck the air in the annular air bag 12 through the third hose 41 and the first hose 13, at the moment, the first hose 13 at the top of the air bag 15 is clamped through the clamp, so that the air in the air bag 15 is prevented from being sucked, the force for pressing the holding rod 61 is removed, then the first spring is stretched, so that the fixing plate 44 and the piston block 43 are reset upwards, and then the connecting rope 52 is loosened, the third spring drives the closing plate 51 and resets, then sealed aspirating hole 422, later atmospheric pressure in the exhaust chamber 421 risees, then atmospheric pressure pushes up sealing plug 47 downwards, the second spring contracts, later gas relies on through-hole 46 to outwards discharge, then repeat above-mentioned operation, extract remaining air in the annular gasbag 12 with this, thereby make annular gasbag 12 shrivelled more, so that staff's use, when can avoiding piston piece 43 upwards to reset through setting up sealed lid, gas enters into annular gasbag 12 through aspirating hole 422 again.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Quick plugging device of sampling hole, its characterized in that: comprises a sampling tube body (11), an annular air bag (12) and an inflatable bag (15); the annular air bag (12) is sleeved on the surface of the sampling tube body (11) and is fixedly connected with the surface; a first hose (13) is fixedly connected to the side surface of the annular air bag (12); the bottom end of the first hose (13) is fixedly connected with a one-way valve (14); the inflatable bag (15) is fixedly connected with the bottom end of the one-way valve (14); and an air inlet valve (16) is fixedly connected to the bottom of the inflatable bag (15).

2. The sampling orifice rapid occluder of claim 1, wherein: a second hose (21) is fixedly connected to the first hose (13); an exhaust funnel (22) is fixedly connected to one end, far away from the first hose (13), of the second hose (21); a sealing column (23) is connected in the exhaust cylinder (22) through threads; a sealing ring (24) is arranged in the exhaust cylinder (22); the sealing ring (24) is arranged at the top of the sealing column (23).

3. The sampling orifice rapid occluder of claim 2, wherein: a third hose (41) is fixedly connected to the second hose (21); an air exhaust assembly is arranged at the end part of the third hose (41); the air extraction assembly comprises an air extraction cylinder (42) and a switch unit; the air pumping cylinder (42) is fixedly connected to the bottom end of the third hose (41); an exhaust cavity (421) is formed in the air pumping cylinder (42); the top of the exhaust cavity (421) is provided with an air exhaust hole (422); the air suction hole (422) is communicated with the first hose (13) through a third hose (41); the inner part of the air suction cylinder (42) is connected with a piston block (43) in a sliding way; the bottom of the piston block (43) is fixedly connected with a fixing plate (44); a pull rod (45) is fixedly connected to the bottom side of the fixed plate (44); the pull rod (45) penetrates through the bottom side wall body of the exhaust cavity (421); a first spring is sleeved on the pull rod (45) in the exhaust cavity (421); a second spring is fixedly connected to the bottom side of the exhaust cavity (421); a sealing plug (47) is fixedly connected to the top end of the second spring; a through hole (46) is formed in the position, corresponding to the sealing plug (47), of the piston block (43), and the through hole (46) penetrates through the fixing plate (44); the sealing plug (47) is in interference fit with the bottom end of the through hole (46); the switch unit is arranged at the top of the exhaust cavity (421).

4. The sampling orifice rapid occluder of claim 3, wherein: the switch unit includes a sealing plate (51); a third spring is fixedly connected to the top side of the air pumping hole (422); the sealing plate (51) is fixedly connected to the bottom end of the third spring; the bottom of the air pumping hole (422) is fixedly connected with a rubber ring (53); the sealing plate (51) is arranged at the bottom of the rubber ring (53); a connecting rope (52) is fixedly connected to the bottom side of the sealing plate (51); the end part of the connecting rope (52) is fixedly connected with the fixing plate (44).

5. The sampling orifice rapid occluder of claim 4, wherein: two sides of the bottom end of the air pumping cylinder (42) are symmetrically and rotatably connected with a pair of holding rods (61); a round rod (63) is fixedly connected to the bottom end of the holding rod (61); a moving block (62) is fixedly connected to the bottom end of the pull rod (45); a sliding groove is formed in the moving block (62); the round rod (63) is connected in the sliding groove in a sliding mode.

6. The sampling orifice rapid occluder of claim 5, wherein: the top end of the holding rod (61) is fixedly connected with a rubber sleeve (7).