CN211179489U - Ventilation detection clamp - Google Patents
Ventilation detection clamp Download PDFInfo
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- CN211179489U CN211179489U CN201921696209.0U CN201921696209U CN211179489U CN 211179489 U CN211179489 U CN 211179489U CN 201921696209 U CN201921696209 U CN 201921696209U CN 211179489 U CN211179489 U CN 211179489U
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- cavity
- sealing layer
- elastic sealing
- lower cavity
- upper cavity
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Abstract
The utility model discloses a ventilation detection clamp, which comprises an upper cavity, an elastic sealing layer and a lower cavity; a plurality of connecting through holes are formed in the corresponding positions of the upper cavity and the elastic sealing layer, the elastic sealing layer is tightly attached between the upper cavity and the lower cavity, the upper cavity and the lower cavity are fixedly connected through bolts, a reversed V-shaped air measuring channel is arranged in the lower cavity, an air inlet connector and an air outlet connector are formed in the side wall of the lower cavity, the air inlet connector and the air outlet connector are respectively connected with the two ends of the reversed V-shaped air measuring channel, a connecting hole is formed in the position, corresponding to the connecting through holes of the upper cavity and the elastic sealing layer, above the reversed V-shaped air measuring channel. The silica gel plate with certain elasticity is adopted in the structure, so that the laser gas detector is assembled on the clamp through interference fit, the existing screw thread is prevented from being screwed in, and the production efficiency is improved while the good sealing is ensured.
Description
Technical Field
The utility model belongs to the technical field of the gaseous detection of laser, concretely relates to ventilation detection anchor clamps.
Background
Before the laser gas detector is packaged, a performance test needs TO be carried out, when gas is tested, devices such as a TO laser, a detector and a gas chamber need TO be connected tightly, otherwise, the gas is easy TO leak; if the sealing effect of the ventilation test fixture is not good, the concentration of a ventilation test channel (short for air chamber) is not uniform, the gas flow rate is inconsistent, and when the concentration and the flow rate of each laser gas detector are inconsistent, a large error exists in a measurement result. The existing gas measuring channel is mainly formed by connecting a plurality of sections of pipelines through a three-way joint, when each laser gas detector is assembled with a ventilation test channel clamp, two working steps of screwing in and screwing out are needed, on the premise of good sealing performance, in order to guarantee the consistency of the laser gas detectors and the efficiency of testing, when testing at every time, the ventilation test clamp needs to install as many laser gas detectors as possible, the thread sealing effect is not good, and the screwing in and screwing out are not only low in efficiency for a plurality of times, and gas leakage is easier to cause.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a detection anchor clamps ventilates is provided.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a ventilation detection fixture, wherein: comprises an upper cavity, an elastic sealing layer and a lower cavity; a plurality of connect the via hole has all been seted up to epicoele and elastic sealing layer corresponding position, the elastic sealing layer closely laminates between epicoele and cavity of resorption, epicoele and cavity of resorption pass through bolted connection and fix, cavity of resorption inside is provided with nearly font gas measurement passageway, air inlet interface and exhaust interface have been seted up on the cavity of resorption lateral wall, should air inlet interface and exhaust interface connect the both ends of nearly font gas measurement passageway respectively, nearly font gas measurement passageway top has seted up the connecting hole corresponding to the position of epicoele and elastic sealing layer connecting hole, nearly font gas measurement passageway is connected with the connecting hole, connect the via hole and wait to detect the device detection mouth and be connected.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the elastic sealing layer is a silica gel plate.
The connecting through holes and the connecting holes are equal in size and are symmetrically arranged at equal intervals.
The upper cavity and the lower cavity are both made of aluminum alloy.
The peripheries of the upper cavity and the lower cavity are fixedly connected through a plurality of symmetrical countersunk head screws.
The air inlet interface and the air outlet interface are arranged on the same side.
The utility model has the advantages that:
the utility model designs the ventilation testing channel into a ring shape, so that the number of laser gas detectors installed in a limited space is increased, and the space utilization rate is increased; in addition, the middle of the ventilation test fixture adopts a silica gel plate with certain elasticity, so that the laser gas detector is assembled on the fixture through interference fit, the conventional screw thread is prevented from being screwed in, the installation complexity is simplified, the installation efficiency is improved, the production efficiency is improved, and good sealing is ensured.
Drawings
FIG. 1 is a schematic structural view of an assembly of the present invention;
fig. 2 is a schematic view of the structure of the lower cavity of the present invention;
fig. 3 is a schematic structural view of the upper chamber of the present invention;
fig. 4 is a schematic structural view of the elastic sealing layer of the present invention.
The reference signs are: the gas measuring device comprises an upper cavity 1, an elastic sealing layer 2, a lower cavity 3, a connecting through hole 4, a zigzag gas measuring channel 5, a gas inlet interface 6, a gas outlet interface 7 and a connecting hole 8.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model relates to a ventilation detection clamp, wherein: comprises an upper cavity 1, an elastic sealing layer 2 and a lower cavity 3; a plurality of connect the via hole 4 has all been seted up to epicoele 1 and elastic sealing layer 2 corresponding position, elastic sealing layer 2 closely laminates between epicoele 1 and cavity down 3, epicoele 1 and cavity down 3 are fixed through bolted connection, cavity down 3 inside is provided with nearly font gas detection passageway 5, inlet interface 6 and exhaust interface 7 have been seted up on cavity down 3 lateral walls, and this inlet interface 6 and exhaust interface 7 are connected nearly font gas detection passageway 5's both ends respectively, nearly font gas detection passageway 5 top has seted up connecting hole 8 corresponding to epicoele 1 and elastic sealing layer 2 connect the via hole 4's position, nearly font gas detection passageway 5 is connected with connecting hole 8, connect the via hole 4 and wait to detect the device detection mouth and be connected.
In the embodiment, the elastic sealing layer 2 is a silicone plate.
In the embodiment, the connecting through holes 4 and the connecting holes 8 are equal in size and are symmetrically arranged at equal intervals.
In the embodiment, the upper chamber 1 and the lower chamber 3 are made of aluminum alloy.
In the embodiment, the upper chamber 1 and the lower chamber 3 are fixedly connected through a plurality of symmetrical countersunk screws.
In the embodiment, the air inlet port 6 and the air outlet port 7 are arranged on the same side.
The utility model discloses a use method as follows:
taking fig. 1 as an example, the detection port of the device to be detected is inserted into the connecting through hole 4, because the interaction between the upper cavity 1 and the lower cavity 3 and the elastic action of the silica gel plate 2 make the silica gel plate 2 tightly attached between the upper cavity 1 and the lower cavity 3, thereby the sealing performance of the detection port of the device to be detected is ensured under the extrusion action of the silica gel plate 2, then the air inlet port 6 is opened to introduce the detection gas, the detection gas passes through the zigzag gas detection channel 5, then the detection gas passes through the plurality of connecting holes 8 and the connecting through hole 4 corresponding to the connecting hole 8, finally the detection port enters the device to be detected for detection, and the redundant gas is discharged from the exhaust port 7.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a test fixture ventilates which characterized in that: comprises an upper cavity (1), an elastic sealing layer (2) and a lower cavity (3); a plurality of connecting through holes (4) are arranged at the corresponding positions of the upper cavity (1) and the elastic sealing layer (2), the elastic sealing layer (2) is tightly attached between the upper cavity (1) and the lower cavity (3), the upper cavity (1) and the lower cavity (3) are fixedly connected through bolts, an inverted U-shaped gas measuring channel (5) is arranged in the lower cavity (3), the side wall of the lower cavity (3) is provided with an air inlet interface (6) and an air outlet interface (7), the air inlet interface (6) and the air outlet interface (7) are respectively connected with two ends of the n-shaped air measuring channel (5), a connecting hole (8) is arranged above the inverted V-shaped gas measuring channel (5) corresponding to the position of the connecting through hole (4) of the upper cavity (1) and the elastic sealing layer (2), the n-shaped gas measuring channel (5) is connected with the connecting hole (8), and the connecting through hole (4) is connected with a detection port of the device to be detected.
2. The vent testing fixture of claim 1, wherein: the elastic sealing layer (2) is a silica gel plate.
3. The vent testing fixture of claim 1, wherein: the connecting through holes (4) and the connecting holes (8) are equal in size and are symmetrically arranged at equal intervals.
4. The vent testing fixture of claim 1, wherein: the upper cavity (1) and the lower cavity (3) are both made of aluminum alloy.
5. The vent testing fixture of claim 1, wherein: the upper cavity (1) and the lower cavity (3) are fixedly connected through a plurality of symmetrical countersunk head screws.
6. The vent testing fixture of claim 1, wherein: the air inlet interface (6) and the air outlet interface (7) are arranged on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696209.0U CN211179489U (en) | 2019-10-11 | 2019-10-11 | Ventilation detection clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696209.0U CN211179489U (en) | 2019-10-11 | 2019-10-11 | Ventilation detection clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179489U true CN211179489U (en) | 2020-08-04 |
Family
ID=71809642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921696209.0U Active CN211179489U (en) | 2019-10-11 | 2019-10-11 | Ventilation detection clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179489U (en) |
-
2019
- 2019-10-11 CN CN201921696209.0U patent/CN211179489U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211806 building 12-252, 29 buyue Road, Qiaolin street, Pukou District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Jicui Precision Manufacturing Research Institute Co.,Ltd. Address before: 211806 building 12-252, 29 buyue Road, Qiaolin street, Pukou District, Nanjing City, Jiangsu Province Patentee before: Nanjing Puhang Machinery Technology Development Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |