CN217034588U

CN217034588U - Waste gas on-line sampling flow control device

Info

Publication number: CN217034588U
Application number: CN202122337446.1U
Authority: CN
Inventors: 赵虹; 姜家浩; 洪小慧; 宣茂恒; 钱佳乐; 谷相亮
Original assignee: Zhejiang Rq Testing Tech Co ltd
Current assignee: Zhejiang Rq Testing Tech Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-07-22
Anticipated expiration: 2031-09-26

Abstract

The utility model provides an online waste gas sampling flow control device which comprises a sampler, wherein a connecting mechanism is installed at the bottom of the sampler, the connecting mechanism comprises a connecting pipe, the top of the connecting pipe is fixedly connected with a first sliding plate, the bottom of the first sliding plate is fixedly connected with a first pressing bag, and a second air groove is arranged at the bottom of the connecting pipe. This online sampling flow control device of waste gas, it descends to rotate the drive regulating block through the regulating spindle, the regulating block drives the regulating pipe decline, the regulating pipe drives the decline of second slide, the second slide drives the second and presses the bag decline, when the regulating pipe outside baffle descends to the second air pocket, the second presses the bag to descend to the bottom of second spout, the second is pressed the bag and is extruded, the second is pressed the bag and is made the sealed bag inflation through the trachea, the sealed bag inflation makes baffle and second air pocket middle space plug up, thereby reached and to have prevented the device gas leakage, adjust stable effect.

Description

Waste gas on-line sampling flow control device

Technical Field

The utility model relates to the technical field of waste gas online sampling, in particular to a waste gas online sampling flow control device.

Background

The waste gas refers to toxic and harmful gas discharged by human in the production and living processes, the waste gas monitoring method comprises an on-site sampling method and a laboratory detection method, a pollution source continuous online monitoring system can be used for realizing automatic monitoring of waste gas parameters, a gas sampler is required for sampling when the waste gas is sampled online, the size of a sampling head of the conventional sampler is fixed, so that the sampler cannot control the sampling flow according to the requirement, the use is inconvenient, meanwhile, the sampler needs an external guide pipe when being used in part of places, the size of the sampling head is fixed, the sampling head is not suitable for guide pipes with different sizes, and the sampling is limited.

Aiming at the defects of the prior art, the utility model provides the waste gas online sampling flow control device, which has the advantages of automatically adjusting the sampling flow, being suitable for catheters with different sizes, being convenient to use, preventing the device from leaking air, being stable to adjust and the like, and solves the problems that the sampling flow of the sampler cannot be controlled according to the requirement due to the fixed size of the sampling head of the existing sampler, the use is inconvenient, and meanwhile, the sampler needs to be externally connected with an air pipe when being used in part of places, the sampling head is fixed in size, is not suitable for air pipes with different sizes, and the sampling is limited.

SUMMERY OF THE UTILITY MODEL

In order to realize the purposes of automatically adjusting the sampling flow, being suitable for catheters with different sizes, being convenient to use, preventing the air leakage of the device and being stable in adjustment, the utility model is realized by the following technical scheme: waste gas flow control device that samples on line, including the sample thief, coupling mechanism is installed to the bottom of sample thief, coupling mechanism includes the connecting pipe, the first slide of top fixedly connected with of connecting pipe, the first bag of pressing of bottom fixedly connected with of first slide, the inside fixedly connected with kicking block of connecting pipe, the second spout has been seted up to the inner wall of connecting pipe, the inner wall sliding connection of second spout has the fixture block, the bottom of connecting pipe begins to have the second gas tank.

Further, still include the button, button fixed connection is in the outside of sample thief, the bottom fixedly connected with outer tube of sample thief, the inside grafting of outer tube has the regulating spindle, first spout has been seted up to the inner wall of outer tube, first gas groove has been seted up to the bottom of outer tube, the bottom sliding connection of outer tube has coupling mechanism, coupling mechanism's bottom sliding connection has adjustment mechanism.

Furthermore, the first sliding plate is connected inside the first sliding groove in a sliding mode, so that the connecting pipe slides stably.

Furthermore, adjustment mechanism includes the control tube, control tube sliding connection is in coupling mechanism's bottom, the top fixedly connected with second slide of control tube, the bottom fixedly connected with second of second slide presses the bag, the inside fixedly connected with regulating block of control tube.

Furthermore, a baffle is fixedly connected to the outer side of the adjusting pipe, a sealing bag is fixedly connected to the outer side of the baffle and is connected with the second pressing bag through an air pipe, and meanwhile, the outer contour of the baffle is the same as the inner contour of the second air groove, so that sealing is facilitated.

Furthermore, a clamping groove is formed in the outer side of the second sliding plate, the second sliding plate is connected to the inner portion of the second sliding groove in a sliding mode, and the clamping groove is matched with the clamping block to be used for limiting the second sliding plate to slide.

Furthermore, a threaded hole is formed in the adjusting block, and the adjusting shaft is in threaded connection with the threaded hole, so that the adjusting shaft can drive the adjusting block to move when rotating.

Compared with the prior art, the utility model has the following beneficial effects:

1. this waste gas flow control device that samples on line, through pressing the button, the button makes the regulating spindle circular telegram rotate, the regulating spindle rotates and drives the regulating block and rises, the regulating block drives the regulating pipe and rises, the regulating pipe slides to inside the connecting pipe, the regulating pipe drives the baffle and keeps away from second gas tank, second gas tank opens, use the connecting pipe to carry out gas sampling this moment, the connecting pipe makes the sampling flow increase, when still needing to adjust the sampling flow, the regulating spindle continues to rotate, the regulating pipe drives the connecting pipe through second slide and second spout and slides this moment, the connecting pipe slides to inside the outer tube, the connecting pipe makes first gas tank open, use the outer tube to carry out gas sampling this moment, the sampling flow has further been increased, thereby reached and can automatically regulated sampling flow, be applicable to the pipe of equidimension not, high durability and convenient use's effect.

2. This online sampling flow control device of waste gas, it descends to rotate the drive regulating block through the regulating spindle, the regulating block drives the regulating pipe decline, the regulating pipe drives the decline of second slide, the second slide drives the second and presses the bag decline, when the regulating pipe outside baffle descends to the second air pocket, the second presses the bag to descend to the bottom of second spout, the second is pressed the bag and is extruded, the second is pressed the bag and is made the sealed bag inflation through the trachea, the sealed bag inflation makes baffle and second air pocket middle space plug up, thereby reached and to have prevented the device gas leakage, adjust stable effect.

Drawings

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

FIG. 2 is a schematic view of a portion of an outer tube of the inventive structure;

FIG. 3 is a schematic bottom view of a portion of the outer tube of the present invention;

FIG. 4 is a schematic view of a structural attachment mechanism of the present invention;

fig. 5 is a schematic view of the structural adjustment mechanism of the present invention.

In the figure: 1. a sampler; 2. a button; 3. an outer tube; 4. an adjustment shaft; 5. a first chute; 6. a first gas tank; 7. a connecting mechanism; 71. a connecting pipe; 72. a first slide plate; 73. a first pressure bladder; 74. a top block; 75. a second chute; 76. a clamping block; 77. a second gas tank; 8. an adjustment mechanism; 81. an adjusting tube; 82. a second slide plate; 83. a second pressure bladder; 84. and a regulating block.

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.

The embodiment of the waste gas online sampling flow control device is as follows:

example one

Referring to fig. 4, the flow control device for online exhaust gas sampling includes a sampler 1, a connecting mechanism 7 is installed at the bottom of the sampler 1, the connecting mechanism 7 includes a connecting pipe 71, a baffle is also fixedly connected to the outer side of the connecting pipe 71, a sealing bag is also fixedly connected to the outer side of the baffle, meanwhile, the outer contour of the baffle is the same as that of the first air groove 6, a first sliding plate 72 is fixedly connected to the top of the connecting pipe 71, a first pressing bag 73 is fixedly connected to the bottom of the first sliding plate 72, a top block 74 is fixedly connected to the inside of the connecting pipe 71, a second sliding groove 75 is formed in the inner wall of the connecting pipe 71, a clamping block 76 is slidably connected to the inner wall of the second sliding groove 75, and a second air groove 77 starts to be formed at the bottom of the connecting pipe 71.

The connecting pipe 71 drives the first sliding plate 72 to move downwards, the first sliding plate 72 drives the first pressing bag 73 to descend, when the baffle on the outer side of the connecting pipe 71 descends into the first air groove 6, the first pressing bag 73 descends to the bottom of the first sliding groove 5, the first pressing bag 73 is extruded, the first pressing bag 73 enables the sealing bag to expand through an air pipe, and the sealing bag ensures that the baffle and the first air groove 6 are sealed without air leakage.

Example two

Referring to fig. 1-5, the exhaust gas on-line sampling flow control device includes a sampler 1, and further includes a button 2, the button 2 is fixedly connected to the outer side of the sampler 1, the bottom of the sampler 1 is fixedly connected to an outer tube 3, an adjusting shaft 4 is inserted into the outer tube 3, a first sliding slot 5 is formed in the inner wall of the outer tube 3, a first sliding plate 72 is slidably connected to the inside of the first sliding slot 5 to enable a connecting tube 71 to slide stably, a first air slot 6 is formed in the bottom of the outer tube 3, a connecting mechanism 7 is slidably connected to the bottom of the outer tube 3, an adjusting mechanism 8 is slidably connected to the bottom of the connecting mechanism 7, the adjusting mechanism 8 includes an adjusting tube 81, a baffle is fixedly connected to the outer side of the adjusting tube 81, a sealing bag is fixedly connected to the outer side of the baffle, the sealing bag is connected to a second pressing bag 83 through an air tube, and the outer contour of the baffle is the same as the inner contour of the second air slot 77, be convenient for sealed, regulating tube 81 sliding connection is in the bottom of coupling mechanism 7, the top fixedly connected with second slide 82 of regulating tube 81, the draw-in groove has been seted up in the outside of second slide 82, and second slide 82 sliding connection is in the inside of second spout 75, the draw-in groove uses with the fixture block 76 cooperation, be used for restricting second slide 82 and slide, the bottom fixedly connected with second pressure bag 83 of second slide 82, the inside fixedly connected with regulating block 84 of regulating tube 81, threaded hole has been seted up to the inside of regulating

block

84, and 4 threaded connection of regulating spindle are inside the screw hole, can drive regulating block 84 when making regulating spindle 4 rotate and remove.

When the sampling flow is needed to be increased, the right button 2 is pressed, the right button 2 enables the adjusting shaft 4 to be electrified and move positively, the adjusting shaft 4 moves positively to drive the adjusting block 84 to ascend, the adjusting block 84 drives the adjusting pipe 81 to ascend, the adjusting pipe 81 slides to the inside of the connecting pipe 71, the adjusting pipe 81 drives the second sliding plate 82 to slide to the position of the fixture block 76, the fixture block 76 is clamped in the clamping groove in the outer side of the second sliding plate 82, meanwhile, the baffle in the outer side driven by the adjusting pipe 81 is far away from the second air groove 77, the second air groove 77 is opened, the connecting pipe 71 is used for gas sampling, the connecting pipe 71 enables the sampling flow to be increased, and the use is convenient.

EXAMPLE III

Referring to fig. 1-5, the flow control device for online exhaust gas sampling includes a sampler 1, and further includes a button 2, the button 2 is fixedly connected to an outer side of the sampler 1, the bottom of the sampler 1 is fixedly connected to an outer tube 3, an adjusting shaft 4 is inserted into the outer tube 3, a first sliding slot 5 is formed in an inner wall of the outer tube 3, a first sliding plate 72 is slidably connected to an inner side of the first sliding slot 5, so that a connecting tube 71 slides stably, a first air slot 6 is formed in the bottom of the outer tube 3, a connecting mechanism 7 is slidably connected to the bottom of the outer tube 3, the connecting mechanism 7 includes the connecting tube 71, a baffle is also fixedly connected to an outer side of the connecting tube 71, a sealing bag is also fixedly connected to an outer side of the baffle, an outer profile of the baffle is the same as that of the first air slot 6, a first sliding plate 72 is fixedly connected to a top of the connecting tube 71, a first pressing bag 73 is fixedly connected to a bottom of the first sliding plate 72, the inside of the connecting pipe 71 is fixedly connected with an ejector block 74, the inner wall of the connecting pipe 71 is provided with a second sliding groove 75, the inner wall of the second sliding groove 75 is connected with a fixture block 76 in a sliding manner, the bottom of the connecting pipe 71 is provided with a second air groove 77, the bottom of the connecting mechanism 7 is connected with an adjusting mechanism 8 in a sliding manner, the adjusting mechanism 8 comprises an adjusting pipe 81, the outer side of the adjusting pipe 81 is fixedly connected with a baffle plate, the outer side of the baffle plate is fixedly connected with a sealing bag, the sealing bag is connected with a second pressing bag 83 through an air pipe, the outer contour of the baffle plate is the same as the inner contour of the second air groove 77 so as to be convenient for sealing, the adjusting pipe 81 is connected with the bottom of the connecting mechanism 7 in a sliding manner, the top of the adjusting pipe 81 is fixedly connected with a second sliding plate 82, the outer side of the second sliding plate 82 is provided with a clamping groove, the second sliding plate 82 is connected with the inside of the second sliding groove 75 in a sliding manner, the clamping groove is matched with the fixture block 76 so as to limit the sliding of the second sliding plate 82, the bottom of the second sliding plate 82 is fixedly connected with a second pressing bag 83, the inside of the adjusting pipe 81 is fixedly connected with an adjusting block 84, the inside of the adjusting block 84 is provided with a threaded hole, and the adjusting shaft 4 is in threaded connection with the inside of the threaded hole, so that the adjusting block 84 can be driven to move when the adjusting shaft 4 rotates.

When the sampling flow rate is required to be increased, the right button 2 is pressed, the adjusting shaft 4 is electrified and positively moved by the right button 2, the adjusting shaft 4 positively moves to drive the adjusting block 84 to ascend, the adjusting block 84 drives the adjusting pipe 81 to ascend, the adjusting pipe 81 slides to the inside of the connecting pipe 71, the adjusting pipe 81 drives the second sliding plate 82 to slide to the position of the fixture block 76, the fixture block 76 is clamped in the clamping groove at the outer side of the second sliding plate 82, meanwhile, the adjusting pipe 81 drives the baffle at the outer side to be away from the second gas groove 77, the second gas groove 77 is opened, at the moment, the connecting pipe 71 is used for gas sampling, the sampling flow rate is increased by the connecting pipe 71, when the sampling flow rate is required to be adjusted, the adjusting shaft 4 continuously rotates, at the moment, the adjusting block 84 and the ejector block 74 drive the connecting pipe 71 to ascend, the connecting pipe 71 slides to the inside of the outer pipe 3, the baffle at the outer side of the connecting pipe 71 enables the first gas groove 6 to be opened, at the moment, the outer pipe 3 is used for gas sampling, the sampling flow is further increased, when the sampling flow needs to be reduced, the left button 2 is pressed, the left button 2 enables the adjusting shaft 4 to be electrified and reversely rotated, the adjusting shaft 4 reversely rotates to drive the adjusting block 84 to descend, at the moment, the second sliding plate 82 drives the connecting pipe 71 to descend under the action of the clamping block 76, the connecting pipe 71 drives the first sliding plate 72 to descend, the first sliding plate 72 drives the first pressing bag 73 to descend, when the baffle on the outer side of the connecting pipe 71 descends into the first air groove 6, the first pressing bag 73 descends to the bottom of the first sliding groove 5, the first pressing bag 73 is extruded, the first pressing bag 73 enables the sealing bag to expand through an air pipe, the sealing bag ensures that the baffle and the first air groove 6 are sealed, air leakage cannot occur, at the moment, the adjusting shaft 4 continuously rotates, the adjusting block 84 drives the adjusting pipe 81 to slide to the bottom of the connecting pipe 71, so that the sampling flow is reduced, and the sampling flow is suitable for catheters with different sizes.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Waste gas is at online sampling flow control device, including sample thief (1), its characterized in that: coupling mechanism (7) are installed to the bottom of sample thief (1), coupling mechanism (7) are including connecting pipe (71), the first slide of top fixedly connected with (72) of connecting pipe (71), the first pressure bag of bottom fixedly connected with (73) of first slide (72), the inside fixedly connected with kicking block (74) of connecting pipe (71), second spout (75) have been seted up to the inner wall of connecting pipe (71), the inner wall sliding connection of second spout (75) has fixture block (76), the bottom of connecting pipe (71) begins to have second air pocket (77).

2. An on-line sampling flow control device for exhaust gas according to claim 1, wherein: still include button (2), button (2) fixed connection is in the outside of sample thief (1), bottom fixedly connected with outer tube (3) of sample thief (1), the inside of outer tube (3) is pegged graft and is had regulating spindle (4), first spout (5) have been seted up to the inner wall of outer tube (3), first gas tank (6) have been seted up to the bottom of outer tube (3), the bottom sliding connection of outer tube (3) has coupling mechanism (7), the bottom sliding connection of coupling mechanism (7) has adjustment mechanism (8).

3. An on-line sampling flow control device for exhaust gas according to claim 2, wherein: the first sliding plate (72) is connected in a sliding way inside the first sliding chute (5).

4. The on-line exhaust sampling flow control device according to claim 2, wherein: adjustment mechanism (8) are including adjusting tube (81), adjusting tube (81) sliding connection is in the bottom of coupling mechanism (7), the top fixedly connected with second slide (82) of adjusting tube (81), the bottom fixedly connected with second pressure bag (83) of second slide (82), the inside fixedly connected with regulating block (84) of adjusting tube (81).

5. An on-line sampling flow control device for exhaust gas according to claim 4, wherein: the outer side of the adjusting pipe (81) is fixedly connected with a baffle, the outer side of the baffle is fixedly connected with a sealing bag, the sealing bag is connected with a second pressing bag (83) through an air pipe, and the outer contour of the baffle is the same as the inner contour of the second air groove (77).

6. The on-line exhaust sampling flow control device according to claim 4, wherein: the outside of second slide (82) has seted up the draw-in groove, just second slide (82) sliding connection is in the inside of second spout (75).

7. The on-line exhaust sampling flow control device according to claim 4, wherein: the inside of the adjusting block (84) is provided with a threaded hole, and the adjusting shaft (4) is in threaded connection with the inside of the threaded hole.