CN214952450U

CN214952450U - Air detection sampling device

Info

Publication number: CN214952450U
Application number: CN202023224779.5U
Authority: CN
Inventors: 王翊彤; 王圣峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-30
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an empty gas detection surveys sampling device, including detecting the host computer, it is provided with the sampling head to detect the host computer top, be provided with the sampling pipe between sampling head and the detection host computer, the sampling pipe divide into two sections settings, and is connected with the rubber tube between two sections, the metal forming hose has been cup jointed on the rubber tube surface, metal forming hose both ends all with sampling pipe fixed connection, it all has seted up the mounting groove all around to detect the host computer top and be located the metal forming hose, the inner wall activity of mounting groove one side is pegged graft and is had the stopper, the stopper upper surface is the slope setting. The utility model discloses a be equipped with rubber tube and metal forming hose, be favorable to making inside the crooked mounting groove that gets into of producing between two sections of sampling pipes, use the stopper to fix the sampling pipe, the stability of effectual assurance sampling to analogize the sampling direction that changes the sampling head with this, thereby be convenient for sample with the top around detecting the host computer.

Description

Air detection sampling device

Technical Field

The utility model belongs to the technical field of empty gas detection surveys sampling equipment, in particular to empty gas detection surveys sampling device.

Background

The air sampler is also called an air-suction type smoke-sensing fire detector or an air sampling fire detector, namely, air in a protection area is sucked into the detector through an air sampling pipe for analysis so as to early-stage early warning of fire, the air sampler system comprises the detector and a sampling network pipe, and the detector comprises an air suction pump, a filter, a laser detection cavity, a control circuit, a display circuit and the like. The air suction pump continuously collects air samples from the protected area through a sampling pipe network consisting of PVC pipes or steel pipes and puts the air samples into the detector. The air sample enters the detection cavity after being filtered by the filter assembly to remove dust particles, and the detection cavity is provided with a stable laser light source. Smoke particles scatter the laser light and the scattered light causes highly sensitive light receivers to produce signals. And performing system analysis to complete photoelectric conversion. The smoke concentration value and the alarm grade thereof are displayed by a display. The host machine transmits the electric signal to the fire alarm control center and the centralized display device through the relay or the communication interface.

However, the existing air sampler generally sets a sampling probe at the top of a detection host for sampling, and the setting makes the sampling probe only sample and detect the air in the top direction, so that the air around the detection host is not convenient for sampling and detecting, resulting in incomplete sample collection and affecting the accuracy and reliability of the detection result.

Therefore, it is necessary to invent an air detection sampling device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an empty gas detection surveys sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air detection sampling device comprises a detection host machine, wherein a sampling head is arranged at the top of the detection host machine, a sampling pipe is arranged between the sampling head and the detection host machine, the sampling pipe is divided into two sections, a rubber pipe is connected between the two sections, a metal shaping hose is sleeved on the surface of the rubber pipe, and two ends of the metal shaping hose are fixedly connected with the sampling pipe;

the detection device comprises a detection host machine, a metal shaping hose, a first spring, a push rod and a second spring, wherein the top of the detection host machine is provided with mounting grooves around the metal shaping hose, the inner wall of one side of each mounting groove is movably inserted with a limiting block, the upper surface of each limiting block is arranged in a slope, one end of each limiting block, which is positioned inside the detection host machine, is connected with the first spring, the top of each limiting block is fixedly connected with the push rod, and the surface of the detection host machine is provided with the push groove matched with the push rod;

detect the host computer top and be located sampling pipe all around and be provided with the arc frame, activity through connection has the pull rod between the arc frame both sides, the longitudinal section shape of pull rod is triangle-shaped setting, the one end fixedly connected with extrusion piece that the pull rod is located between four arc frames, the second spring has been cup jointed to one section surface that the pull rod is located between arc frame and the extrusion piece, one section surface activity that the pull rod is located arc frame inside is pegged graft and is had spacing ball, spacing ball and pull rod internal connection have the third spring, the inside spacing groove of matcing with spacing ball of seting up of arc frame.

Furthermore, the longitudinal section of the sampling head is in a T-shaped arrangement, and the air inlet position of the sampling head is a stepped surface at the bottom side of the T-shaped arrangement.

Further, the sampling pipe is made for rigid material, the tip of sampling pipe is located the inside one end of detection host computer and is provided with the sampling pump, the sampling pipe is located the length size that the outside length of detection host computer is greater than the mounting groove.

Further, four mounting groove one end is for communicating with each other the setting, adjacent two be perpendicular setting between the mounting groove, the interior diapire and the sampling pipe phase-match of mounting groove set up.

Furthermore, the extrusion block is arranged in an arc shape, and the radian of the inner side of the extrusion block is equal to the external radian of the sampling tube.

Further, four the arc frame is to separate the setting between the mounting groove, and the distance between two adjacent arc framves equals the width size of mounting groove.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with rubber tube and metal forming hose, be favorable to making inside the sampling pipe produces the crooked mounting groove that gets into between two sections, use the stopper to fix the sampling pipe, the stability of effectual assurance sampling changes the sampling direction of sampling head to be convenient for sample with the top around the detection host computer.

2. The utility model discloses a be equipped with stopper and extrusion piece, be favorable to fixing the sampling pipe in corresponding position to make the device fix the sampling pipe at the in-process of sampling, stability when effectual assurance the device samples.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a main sectional view of the overall structure of an embodiment of the present invention;

fig. 2 shows a left cross-sectional view of the overall structure of an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a top view of the detecting main machine structure according to the embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a portion a in fig. 4 according to an embodiment of the present invention.

In the figure: 1. detecting a host; 2. a sampling head; 3. a sampling tube; 4. a rubber tube; 5. a metal sizing hose; 6. mounting grooves; 7. a limiting block; 8. a first spring; 9. a push rod; 10. pushing the groove; 11. an arc-shaped frame; 12. a pull rod; 13. extruding the block; 14. a second spring; 15. a limiting ball; 16. a third spring; 17. a limiting groove; 18. a sampling pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are 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 some, but not all, embodiments of the present invention. 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.

The utility model provides an air detection sampling device as shown in figures 1-5, which comprises a detection host 1, wherein a sampling head 2 is arranged at the top of the detection host 1, the longitudinal section of the sampling head 2 is in a T-shaped arrangement, the air inlet position of the sampling head 2 is the stepped surface of the T-shaped bottom side, which is beneficial to preventing dust from directly dropping at the air inlet position of the sampling head 2, a sampling pipe 3 is arranged between the sampling head 2 and the detection host 1, the sampling pipe 3 is made of rigid material, one end of the end part of the sampling pipe 3 positioned in the detection host 1 is provided with a sampling pump 18, the length of the sampling pipe 3 positioned outside the detection host 1 is larger than the length size of a mounting groove 6, the sampling pipe 3 is divided into two sections, a rubber pipe 4 is connected between the two sections, a metal shaping hose 5 is sleeved on the surface of the rubber pipe 4, the two ends of the metal shaping hose 5 are fixedly connected with the sampling pipe 3, the rubber pipe 4 and the metal shaping hose 5 are arranged, so that the sampling pipe 3 can be bent between two sections to enter the mounting groove 6, the sampling pipe 3 is fixed by the limiting block 7, the sampling stability is effectively ensured, and the sampling direction of the sampling head 2 is changed, so that the periphery and the top of the detection host 1 can be conveniently sampled;

the top of the detection host 1 is provided with mounting grooves 6 around the metal shaping hose 5, one end of each of the four mounting grooves 6 is communicated, two adjacent mounting grooves 6 are vertically arranged, the inner bottom wall of each mounting groove 6 is matched with the corresponding sampling tube 3, a limiting block 7 is movably inserted into the inner wall of one side of each mounting groove 6, the upper surface of each limiting block 7 is arranged in a slope, one end of each limiting block 7, which is positioned inside the detection host 1, is connected with a first spring 8, when each sampling tube 3 completely enters the corresponding mounting groove 6, each limiting block 7 is ejected under the action of the first spring 8 to fix the corresponding sampling tube 3, so that the corresponding sampling tube 3 is prevented from being ejected inside the corresponding mounting groove 6, the sampling stability is ensured, the top of each limiting block 7 is fixedly connected with a push rod 9, and the surface of the detection host 1 is provided with a push groove 10 matched with the push rod 9, the push rod 9 is arranged, so that the limit block 7 can be controlled to contract, and the sampling tube 3 can be taken out conveniently;

the top of the detection host 1 is provided with arc-shaped frames 11 around the sampling tube 3, the four arc-shaped frames 11 are arranged in the installation groove 6 in a spaced manner, the distance between two adjacent arc-shaped frames 11 is equal to the width of the installation groove 6, a pull rod 12 is movably connected between two sides of each arc-shaped frame 11 in a penetrating manner, the longitudinal section of the pull rod 12 is triangular, one end of the pull rod 12 between the four arc-shaped frames 11 is fixedly connected with an extrusion block 13, the extrusion block 13 is arc-shaped, the radian of the inner side of the extrusion block 13 is equal to the external radian of the sampling tube 3, a second spring 14 is sleeved on one section of the surface of the pull rod 12 between the arc-shaped frames 11 and the extrusion block 13, so that the sampling tube 3 enters the four arc-shaped frames 11, then the pull rod 12 is loosened, the four extrusion blocks 13 fix the sampling tube 3, and the sampling stability of the device during sampling is effectively ensured, pull rod 12 is located one section surface activity grafting inside arc frame 11 and has spacing ball 15, spacing ball 15 and pull rod 12 internal connection have a third spring 16, arc frame 11 is inside seted up with spacing ball 15 assorted spacing groove 17, through being equipped with spacing ball 15, is favorable to increasing pull rod 12's fixity, is convenient for make the extrusion piece 13 strengthen fixed to sampling tube 3.

The detection host 1 is a host of an air detection device in the prior art, and the specific structure and the operation principle thereof are known to those skilled in the art, and are not described herein again.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when air is detected and sampled, a sampling pump 18 is started to sample external air by a sampling pipe 3 and a sampling head 2, then the external air is detected by a detection host 1, in the air detection and sampling process, if the air around the detection host 1 needs to be sampled and the air on one side of the detection host 1 needs to be detected, a pull rod 12 on the surfaces of two arc frames 11 on the side is pulled to release the sampling pipe 3 by an extrusion block 13, then the sampling pipe 3 is bent to pass through the two arc frames 11, the sampling pipe 3 is bent between the two arc frames through the action of a rubber pipe 4 and a metal shaping hose 5 and then pressed into an installation groove 6, and a limiting block 7 is stressed and contracted in the pressing process, after the sampling pipe 3 completely enters the installation groove 6, the limiting block 7 is popped up under the action of a first spring 8, fix sampling pipe 3, prevent that sampling pipe 3 from popping up in 6 insides of mounting groove, guarantee the stability of sampling, analogize to change the sampling direction of sampling head 2 with this, thereby be convenient for sample with the top around detecting host computer 1, when sampling to detecting host computer 1 top, promote push rod 9, make stopper 7 shrink, take out sampling pipe 3 from 6 insides of mounting groove, then stimulate two pull rods 12 with the position, make sampling pipe 3 get into between four arc framves 11, then loosen pull rod 12, make four extrusion pieces 13 fix sampling pipe 3, stability when effectual assurance the device samples.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an empty gas detection surveys sampling device, includes detection host computer (1), its characterized in that: the top of the detection host (1) is provided with a sampling head (2), a sampling pipe (3) is arranged between the sampling head (2) and the detection host (1), the sampling pipe (3) is divided into two sections, a rubber pipe (4) is connected between the two sections, the surface of the rubber pipe (4) is sleeved with a metal shaping hose (5), and two ends of the metal shaping hose (5) are fixedly connected with the sampling pipe (3);

mounting grooves (6) are formed in the top of the detection host (1) and located on the periphery of the metal shaping hose (5), a limiting block (7) is movably inserted into the inner wall of one side of each mounting groove (6), the upper surface of each limiting block (7) is arranged in a slope, one end, located inside the detection host (1), of each limiting block (7) is connected with a first spring (8), a push rod (9) is fixedly connected to the top of each limiting block (7), and a push groove (10) matched with the push rod (9) is formed in the surface of the detection host (1);

detect host computer (1) top and be located sampling pipe (3) and all be provided with arc frame (11) all around, activity through connection has pull rod (12) between arc frame (11) both sides, the longitudinal section shape of pull rod (12) is triangle-shaped setting, one end fixedly connected with extrusion block (13) that pull rod (12) are located between four arc frames (11), second spring (14) have been cup jointed to one section surface that pull rod (12) are located between arc frame (11) and extrusion block (13), one section surface activity that pull rod (12) are located arc frame (11) inside is pegged graft and is had spacing ball (15), spacing ball (15) and pull rod (12) internal connection have third spring (16), arc frame (11) inside offer with spacing ball (15) assorted spacing groove (17).

2. An air detection sampling device according to claim 1, wherein: the longitudinal section of the sampling head (2) is in a T-shaped arrangement, and the air inlet position of the sampling head (2) is the stepped surface of the bottom side of the T-shaped arrangement.

3. An air detection sampling device according to claim 1, wherein: sampling pipe (3) are made for rigid material, the tip of sampling pipe (3) is located the inside one end of detecting host computer (1) and is provided with sampling pump (18), sampling pipe (3) are located the length size that the outside length of detecting host computer (1) is greater than mounting groove (6).

4. An air detection sampling device according to claim 1, wherein: four mounting groove (6) one end is for communicating with each other the setting, adjacent two be perpendicular setting between mounting groove (6), the interior diapire and the sampling pipe (3) phase-match setting of mounting groove (6).

5. An air detection sampling device according to claim 1, wherein: the extrusion block (13) is arranged in an arc shape, and the radian of the inner side of the extrusion block (13) is equal to the external radian of the sampling tube (3).

6. An air detection sampling device according to claim 1, wherein: four arc frame (11) are to separate the setting between mounting groove (6), and the distance between two adjacent arc framves (11) equals the width size of mounting groove (6).