CN215374723U - Air quantity sampling device - Google Patents
Air quantity sampling device Download PDFInfo
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- CN215374723U CN215374723U CN202121631940.2U CN202121631940U CN215374723U CN 215374723 U CN215374723 U CN 215374723U CN 202121631940 U CN202121631940 U CN 202121631940U CN 215374723 U CN215374723 U CN 215374723U
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Abstract
The utility model relates to the technical field of air volume sampling, in particular to an air volume sampling device, which comprises a sampling tube, connecting blocks arranged on two sides of the sampling tube, sampling blades arranged on the connecting blocks, an air delivery hole arranged on the end surface of the sampling tube, and an air inlet hole arranged on the outer edge of the sampling tube and communicated to the air delivery hole, wherein the air delivery hole is connected with an air pipe joint; according to the utility model, the connecting blocks are arranged on the two sides of the sampling tube, and the sampling blades are fixedly connected to the connecting blocks, so that the dynamic and static pressure difference can be increased in the sampling process.
Description
Technical Field
The utility model relates to the technical field of air volume sampling, in particular to an air volume sampling device.
Background
In order to prevent the laboratory test environment from being polluted, the adjacent rooms or areas of each experimental area have air flow control requirements at present, and when the air flow of each room or adjacent area is controlled, the real-time air volume of all air supply and exhaust air pipes of the room or area needs to be collected in order to meet the requirement that the air flow of each room or adjacent area flows as required. The existing air volume sampling pitot tube has the defects of small dynamic and static pressure in the sampling process and poor sampling effect due to the structure, so that the structure of the sampling pitot tube can be further improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an air volume sampling device which is provided with connecting blocks at two sides of a sampling tube, wherein sampling blades are fixedly connected to the connecting blocks, and the dynamic and static pressure difference can be increased in the sampling process.
The technical scheme adopted by the utility model is as follows: the utility model provides an amount of wind sampling device, includes the sampling tube, locates the connecting block of sampling tube both sides, installs in the sample blade of connecting block, sets up the wind-passing hole of sampling tube terminal surface and sets up in the sampling tube outer edge and communicate to the fresh air inlet of wind-passing hole, the wind-passing hole is connected with the air pipe connector.
The further improvement of the scheme is that the sampling tube is formed by integrally drawing aluminum alloy.
The scheme is further improved in that at least two air transmission holes are formed in the end face of the sampling tube, and the air transmission holes are communicated with the sampling tube.
The scheme is further improved in that the upper surface and the lower surface of the sampling tube are both arc surfaces, and the air inlet hole is formed in the arc surfaces and communicated to the air transfer hole.
According to the scheme, the air pipe connector is further improved in that a first threaded hole and a second threaded hole are formed in the head end and the tail end of the air transmission hole respectively, and the air pipe connector is connected to the first threaded hole.
In a further improvement of the above scheme, the second threaded hole is provided with a sealing screw.
The further improvement of the scheme is that the connecting block is integrally formed on two sides of the sampling tube, the connecting block is provided with a connecting plane, and the sampling blades are fixedly connected to the connecting plane.
In a further improvement of the above solution, the sampling blade is fixedly mounted on the connection plane by rivets or screws.
The further improvement of the scheme is that a fixing frame is arranged between the air pipe joint and the sampling pipe.
The further improvement of the scheme is that the air pipe joint comprises a connecting end arranged on the air transfer hole, a wrench position arranged on the connecting end and an air pipe connecting position connected to the wrench position, and the connecting end, the wrench position and the air pipe connecting position are integrally formed.
The utility model has the beneficial effects that:
compared with the traditional air quantity sampling, the air quantity sampling device disclosed by the utility model solves the problem of poor stability of the traditional air quantity sampling, the connecting blocks are arranged on the two sides of the sampling tube, and the sampling blades are fixedly connected on the connecting blocks, so that the dynamic and static pressure difference can be increased in the sampling process, the sampling effect is further improved, the structure is stable and reliable, and the practicability is strong. The sampling device comprises a sampling tube, connecting blocks arranged on two sides of the sampling tube, sampling blades arranged on the connecting blocks, air transfer holes formed in the end face of the sampling tube, and air inlet holes formed in the outer edge of the sampling tube and communicated to the air transfer holes, wherein the air transfer holes are connected with air pipe connectors. The air quantity is transmitted into the air delivery hole through the sampling blade matched air inlet hole in the sampling process, the air delivery hole guides the air quantity out through the air pipe connector, sampling detection is convenient, use is convenient, and the structure is reliable.
Drawings
FIG. 1 is a schematic perspective view of an air sampling device according to the present invention;
FIG. 2 is a schematic diagram of an exploded view of the air sampling apparatus of FIG. 1;
fig. 3 is a schematic view of the internal structure of the air sampling device in fig. 1.
Description of reference numerals: sampling tube 1, connecting block 2, connecting plane 21, sampling blade 3, ventilation hole 4, first screw hole 41, second screw hole 42, sealing screw 43, fresh air inlet 5, trachea joint 6, mount 61, link 62, spanner position 63, trachea connection position 64.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to 3, an air volume sampling device comprises a sampling tube 1, connecting blocks 2 arranged on two sides of the sampling tube 1, sampling blades 3 arranged on the connecting blocks 2, air transfer holes 4 arranged on the end surface of the sampling tube 1, and air inlet holes 5 arranged on the outer edge of the sampling tube 1 and communicated to the air transfer holes 4, wherein the air transfer holes 4 are connected with air pipe joints 6.
The sampling tube 1 is formed by integrally drawing aluminum alloy, and is made of sectional materials formed by integrally drawing aluminum alloy, so that the manufacturing cost is low, and the structure is stable and reliable.
Two air transmission holes 4 are at least formed in the end face of the sampling tube 1, the air transmission holes 4 are communicated with the sampling tube 1, and two air transmission holes 4 are matched to perform bidirectional air collection sampling.
The upper surface and the lower surface of the sampling tube 1 are both arc surfaces, the air inlet holes 5 are formed in the arc surfaces and communicated with the air delivery holes 4, the air delivery holes 4 are formed in the arc surfaces for sampling air, and the sampling effect is good.
Connecting block 2 integrated into one piece is in 1 both sides of sampling tube, connecting block 2 is equipped with connecting plane 21, 3 fixed connection in connecting plane 21 of sample blade adopt the integrated into one piece structure, and the structure is reliable, and structure cost is low, convenient to use.
The sampling blade 3 is fixedly arranged on the connecting plane 21 through a rivet or a screw, and the area of the connecting block 2 is small, so that the sampling blade is generally and directly riveted through the rivet, the cost is low, and the manufacturing efficiency is high.
Be equipped with mount 61 between trachea joint 6 and sampling tube 1, be used for the support and the installation of holistic structure through mount 61, simple to operate, stable in structure is reliable.
The air pipe joint 6 comprises a connecting end 62 arranged on the air transfer hole 4, a wrench position 63 arranged on the connecting end 62 and an air pipe connecting position 64 connected to the wrench position 63, the connecting end 62, the wrench position 63 and the air pipe connecting position 64 are integrally formed, the air pipe joint 6 is connected with an air pipe to lead out the collected air, and the use is convenient.
The utility model solves the problem of poor stability of the traditional air volume sampling, the connecting blocks 2 are arranged on the two sides of the sampling tube 1, the sampling blades 3 are fixedly connected on the connecting blocks 2, the dynamic and static pressure difference can be increased in the sampling process, the sampling effect is further improved, the structure is stable and reliable, and the practicability is strong. Specifically, the sampling device is provided with a sampling tube 1, connecting blocks 2 arranged on two sides of the sampling tube 1, sampling blades 3 arranged on the connecting blocks 2, air transfer holes 4 formed in the end face of the sampling tube 1, and air inlet holes 5 formed in the outer edge of the sampling tube 1 and communicated to the air transfer holes 4, wherein the air transfer holes 4 are connected with air pipe connectors 6. The air quantity is introduced into the air delivery hole 4 through the sampling blade 3 in the sampling process in cooperation with the air inlet hole 5, and the air delivery hole 4 leads the air quantity out through the air pipe joint 6, so that the sampling detection is convenient, the use is convenient, and the structure is reliable.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an amount of wind sampling device which characterized in that: the sampling device comprises a sampling tube, connecting blocks arranged on two sides of the sampling tube, sampling blades arranged on the connecting blocks, air transfer holes formed in the end face of the sampling tube, and air inlet holes formed in the outer edge of the sampling tube and communicated to the air transfer holes, wherein the air transfer holes are connected with air pipe connectors.
2. The air volume sampling device according to claim 1, characterized in that: the sampling tube is formed by integrally drawing aluminum alloy.
3. The air volume sampling device according to claim 1, characterized in that: the terminal surface of sampling tube is seted up two wind transmission holes at least, wind transmission hole link up in the sampling tube.
4. The air volume sampling device according to claim 1, characterized in that: the upper surface and the lower surface of the sampling tube are both arc surfaces, and the air inlet hole is formed in the arc surfaces and communicated to the air transfer hole.
5. The air volume sampling device according to claim 1, characterized in that: first screw hole and second screw hole have been seted up respectively to the wind hole head and the tail both ends, the air pipe connects and connects in first screw hole.
6. The air volume sampling device according to claim 5, characterized in that: and the second threaded hole is provided with a sealing screw.
7. The air volume sampling device according to claim 1, characterized in that: the connecting block integrated into one piece is in the sampling tube both sides, the connecting block is equipped with connection plane, sample blade fixed connection is in connection plane.
8. The air volume sampling device according to claim 1, characterized in that: the sampling blade is fixedly arranged on the connecting plane through rivets or screws.
9. The air volume sampling device according to claim 1, characterized in that: and a fixing frame is arranged between the air pipe joint and the sampling pipe.
10. The air volume sampling device according to claim 1, characterized in that: the air pipe joint comprises a connecting end arranged on the air transfer hole, a wrench position arranged on the connecting end and an air pipe connecting position connected to the wrench position, and the connecting end, the wrench position and the air pipe connecting position are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631940.2U CN215374723U (en) | 2021-07-19 | 2021-07-19 | Air quantity sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631940.2U CN215374723U (en) | 2021-07-19 | 2021-07-19 | Air quantity sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215374723U true CN215374723U (en) | 2021-12-31 |
Family
ID=79609978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121631940.2U Active CN215374723U (en) | 2021-07-19 | 2021-07-19 | Air quantity sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215374723U (en) |
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2021
- 2021-07-19 CN CN202121631940.2U patent/CN215374723U/en active Active
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