CN215639991U - Sealed ventilative detection device of one-way discharge valve - Google Patents
Sealed ventilative detection device of one-way discharge valve Download PDFInfo
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- CN215639991U CN215639991U CN202122103135.9U CN202122103135U CN215639991U CN 215639991 U CN215639991 U CN 215639991U CN 202122103135 U CN202122103135 U CN 202122103135U CN 215639991 U CN215639991 U CN 215639991U
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Abstract
The utility model discloses a sealed ventilation detection device of a one-way exhaust valve, which comprises a vacuum sealed bin, wherein a sealed air chamber is arranged in the vacuum sealed bin, a sealing detection device and a ventilation detection device are arranged on the vacuum sealed bin, the air chamber is connected with a vacuumizing pipeline, and the other end of the vacuumizing pipeline is connected with a vacuum pump; switch valves are arranged in the sealing detection pipe, the ventilation detection pipe and the vacuum-pumping pipeline; and the vacuum sealing bin is also provided with an air pressure monitoring device for reading the air pressure in the vacuum sealing bin. The utility model can quickly and accurately detect whether the sealing performance and the air permeability of the one-way exhaust valve are qualified or not, and can be widely applied to the field of sealing and air permeability detection of the one-way exhaust valve.
Description
Technical Field
The utility model relates to the field of sealed ventilation detection, in particular to a sealed ventilation detection device of a one-way exhaust valve.
Background
The utilization rate of the packaging bag with the one-way exhaust valve is higher and higher at present, the one-way exhaust valve serves as a core accessory of the packaging bag, and the quality of the one-way exhaust valve determines the effectiveness of the packaging bag. However, in the existing manufacturing process of the one-way exhaust valve, a related quality detection device of the one-way exhaust valve is not used for detecting the tightness and the air permeability of the one-way exhaust valve, so that the tightness and the air permeability of the one-way exhaust valve depend on the manufacturing level of a manufacturer, and certain quality hidden trouble is caused to the use of a one-way exhaust valve packaging bag.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing and ventilation detection device of a one-way exhaust valve, which solves the problem that the existing one-way exhaust valve is lack of a device for detecting the sealing performance and ventilation performance of the existing one-way exhaust valve.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a sealed ventilation detection device of a one-way exhaust valve comprises a vacuum sealed bin, wherein a sealed air chamber is arranged in the vacuum sealed bin, a sealing detection device and a ventilation detection device are arranged on the vacuum sealed bin, the sealing detection device comprises a sealed detection tube communicated with the air chamber, a sealed detection placing seat for placing the one-way exhaust valve is arranged at the top of the sealed detection tube, a sealed detection cover is arranged at the opening of the sealed detection placing seat, and two sealed detection air holes are formed in the sealed detection cover; the air permeability detection device comprises an air permeability detection tube communicated with the air chamber, the top of the air permeability detection tube is provided with an air permeability detection placing seat for placing a one-way exhaust valve, the opening part of the air permeability detection placing seat is provided with an air permeability detection cover, and the air permeability detection cover is provided with an air permeability detection air hole; the air chamber is connected with a vacuum-pumping pipeline, and the other end of the vacuum-pumping pipeline is connected with a vacuum pump; switch valves are arranged on the sealing detection pipe, the ventilation detection pipe and the vacuum-pumping pipeline; and the vacuum sealing bin is also provided with an air pressure monitoring device for reading the air pressure in the vacuum sealing bin.
Further, in order to guarantee the air tightness, the sealing detection cover is in threaded fit connection with the sealing detection placing seat, and the ventilation detection cover is in threaded fit connection with the ventilation detection placing seat.
Further, in order to facilitate the detection operation, the switch valve is a manual valve.
Further, in order to read the air pressure value in the air chamber in real time, the air pressure monitoring device is an air pressure meter.
Furthermore, in order to facilitate mounting and dismounting, the ventilation detection cover is further provided with two mounting blind holes, and the distance between the two mounting blind holes is the same as the distance between the two sealed detection air holes, and the diameters of the two mounting blind holes are the same.
The utility model has the beneficial effects that: the one-way exhaust valve is fixed by the sealing and ventilation detection placing seat and the corresponding sealing ventilation detection cover, and the sealing performance and the ventilation performance of the one-way exhaust valve are sequentially detected by the matching of the vacuum pump; the sealing detection cover and the ventilation detection cover are connected in a threaded fit manner, so that the air tightness can be ensured; the switch valves are all manual valves, so that the operation is convenient; the air pressure monitoring device can read the air pressure value in the air chamber in real time. Whole device simple structure, the operation is light, can be simultaneously quick accurate detect out one-way carminative leakproofness and gas permeability, and then improve detection efficiency and practice thrift the cost.
The utility model will be explained in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the seal detection seat according to the present invention.
Fig. 4 is a schematic structural view of the ventilation detection seat of the present invention.
Fig. 5 is a schematic structural view of the disassembling tool of the present invention.
Detailed Description
In the embodiment, as shown in fig. 1 to 5, a sealing and ventilation detection device of a one-way exhaust valve is used for detecting the sealing performance and ventilation performance of the one-way exhaust valve 9, a sealing surface of the one-way exhaust valve 9 is a surface where an air outlet hole 91 is located, a ventilation surface is a surface where an air inlet hole 92 is located, when the air pressure on one side of the ventilation surface is greater than the air pressure on one side of the sealing surface, the one-way exhaust valve 9 is conducted, and the air on one side of the ventilation surface enters from the air inlet hole 92 and then exits from the air outlet hole 91 so as to enter one side of the sealing surface; when the air pressure of the sealing surface is greater than that of the air-permeable surface, the one-way exhaust valve 9 is not turned on and is in a closed state, and the air on one side of the sealing surface cannot enter the air-permeable surface along the air outlet hole 91 and the air inlet hole 92. In order to detect the sealing performance and the air permeability of the one-way exhaust valve 9, the sealing air permeability detection device of the one-way exhaust valve comprises a vacuum sealing bin 1, a closed air chamber 11 is arranged in the vacuum sealing bin 1, a sealing performance detection device 2 and an air permeability detection device 3 are arranged on the vacuum sealing bin 1, the sealing performance detection device 2 comprises a sealing detection pipe 21 communicated with the air chamber 11, a sealing detection placing seat 22 for placing the one-way exhaust valve 9 is arranged at the top of the sealing detection pipe 21, a sealing detection cover 23 is arranged at the opening part of the sealing detection placing seat 22, two sealing detection air holes 24 are arranged on the sealing detection cover 23, and the sealing detection air holes 24 are through holes; the air permeability detection device 3 comprises an air permeability detection tube 31 communicated with the air chamber 11, the top of the air permeability detection tube 31 is provided with an air permeability detection placing seat 32 for placing the one-way exhaust valve 9, the mouth part of the air permeability detection placing seat 32 is provided with an air permeability detection cover 33, the air permeability detection cover 33 is provided with an air permeability detection air hole 34, and the air permeability detection air hole 34 is a through hole; the air chamber 11 is connected with a vacuum-pumping pipeline 4, and the other end of the vacuum-pumping pipeline 4 is connected with a vacuum pump 5; the sealing detection tube 21, the ventilation detection tube 31 and the vacuum-pumping pipeline 4 are all provided with a switch valve 6; and the vacuum sealed cabin 1 is also provided with an air pressure monitoring device 7 for reading the air pressure in the vacuum sealed cabin.
The sealing detection cover 23 is in threaded fit connection with the sealing detection placing seat 22, and the ventilation detection cover 33 is in threaded fit connection with the ventilation detection placing seat 32. Can ensure that the two detection covers do not leak air.
The switch valve 6 is a manual valve. The manual valve is convenient to operate, and the operation flexibility can be improved.
The air pressure monitoring device 7 is an air pressure meter. The air pressure value in the air chamber 11 can be read in real time.
The ventilation detection cover 33 is further provided with two installation blind holes 35, and the distance between the two installation blind holes 35 is the same as the distance between the two sealed detection air holes 24, and the diameter of the two sealed detection air holes is the same.
In order to accelerate the speed of extracting the gas in the gas chamber 11, the gas chamber 11 is further connected with a standby vacuumizing pipeline 8, and a switch valve 6 is arranged in the standby vacuumizing pipeline 8. When the speed of extracting the gas in the gas chamber 11 needs to be increased, the gas is extracted together by connecting a vacuum pump 5 to the spare vacuum-pumping pipeline 8.
In order to conveniently detach the sealing detection cover 23 and the ventilation detection cover 33, the detachable tool 10 is further provided, the detachable tool 10 comprises a handle 101, an upright post 102 is arranged on the handle 101, a base plate 103 is arranged at the bottom of the upright post 102, and two clamping columns 104 matched with the sealing detection holes 24 and the blind mounting holes 35 in the ventilation detection cover 33 are arranged at the bottom of the base plate 103. When the sealing detection cover 23 or the ventilation detection cover 33 needs to be disassembled and assembled, the two clamping columns 104 are only required to be inserted into the sealing detection holes 24 or the installation blind holes 35, the sealing detection cover can be disassembled by rotating anticlockwise, and the sealing detection cover can be assembled and locked by rotating clockwise.
In the actual detection operation process, the sealing surface of a one-way exhaust valve 9 is placed into the sealing detection placing seat 22 upwards and is locked by the sealing detection cover 23; then the ventilation surface of the other one-way exhaust valve 9 is placed into the ventilation detection placing seat 32 in an upward mode and is locked by the ventilation detection cover 33; then opening the switch valves 6 on the vacuum-pumping pipeline 4, and completely closing the rest switch valves 6; then starting the vacuum pump 5 to pump the gas in the gas chamber 11, and when the gas pressure monitoring device 7 displays that the gas pressure in the gas chamber 11 reaches a certain negative pressure value, closing the switch valve 6 on the vacuum-pumping pipeline 4 and stopping the vacuum pump 5; then opening the switch valve 6 on the sealing detection tube 21, if the value of the air pressure monitoring device 7 is unchanged, indicating that no atmospheric gas permeates into the air chamber 11 from the sealing surface of the one-way exhaust valve 9, the sealing performance of the one-way exhaust valve 9 is qualified, and if the value is increased, the sealing performance is not qualified, and then closing the switch valve 6 on the sealing detection tube 21; and then, opening the switch valve 6 on the ventilation detection pipe 31, if the numerical value of the air pressure monitoring device 7 is increased, indicating that atmospheric air permeates into the air chamber 11 from the ventilation surface of the one-way exhaust valve 9, the ventilation property of the one-way exhaust valve 9 is qualified, and if the numerical value is not changed, indicating that the ventilation property is not qualified. Therefore, whether the tightness and the air permeability of the one-way exhaust valve 9 are qualified or not can be easily and quickly detected.
The utility model is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the utility model are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the utility model; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (5)
1. The utility model provides a sealed ventilative detection device of one-way discharge valve which characterized in that: the device comprises a vacuum sealing bin (1), wherein a closed air chamber (11) is arranged in the vacuum sealing bin (1), a sealing detection device (2) and an air permeability detection device (3) are arranged on the vacuum sealing bin (1), the sealing detection device (2) comprises a sealing detection pipe (21) communicated with the air chamber (11), a sealing detection placing seat (22) for placing a one-way exhaust valve is arranged at the top of the sealing detection pipe (21), a sealing detection cover (23) is arranged at the opening part of the sealing detection placing seat (22), and two sealing detection air holes (24) are formed in the sealing detection cover (23); the air permeability detection device (3) comprises an air permeability detection tube (31) communicated with the air chamber (11), the top of the air permeability detection tube (31) is provided with an air permeability detection placing seat (32) for placing a one-way exhaust valve, the opening part of the air permeability detection placing seat (32) is provided with an air permeability detection cover (33), and the air permeability detection cover (33) is provided with an air permeability detection air hole (34); the air chamber (11) is connected with a vacuum-pumping pipeline (4), and the other end of the vacuum-pumping pipeline (4) is connected with a vacuum pump (5); the sealing detection pipe (21), the ventilation detection pipe (31) and the vacuum-pumping pipeline (4) are all provided with a switch valve (6); and the vacuum sealed cabin (1) is also provided with an air pressure monitoring device (7) for reading the air pressure in the vacuum sealed cabin.
2. The sealed ventilation detecting device of one-way exhaust valve according to claim 1, wherein: the sealing detection cover (23) is in threaded fit connection with the sealing detection placing seat (22), and the ventilation detection cover (33) is in threaded fit connection with the ventilation detection placing seat (32).
3. The sealed ventilation detecting device of one-way exhaust valve according to claim 1, wherein: the switch valve (6) is a manual valve.
4. The sealed ventilation detecting device of one-way exhaust valve according to claim 1, wherein: the air pressure monitoring device (7) is an air pressure meter.
5. The sealed ventilation detecting device of one-way exhaust valve according to claim 1, wherein: the ventilation detection cover (33) is further provided with two installation blind holes (35), and the distance between the two installation blind holes (35) is the same as the distance between the two sealed detection air holes (24) and the diameter of the two sealed detection air holes is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103135.9U CN215639991U (en) | 2021-09-01 | 2021-09-01 | Sealed ventilative detection device of one-way discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122103135.9U CN215639991U (en) | 2021-09-01 | 2021-09-01 | Sealed ventilative detection device of one-way discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215639991U true CN215639991U (en) | 2022-01-25 |
Family
ID=79905843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122103135.9U Active CN215639991U (en) | 2021-09-01 | 2021-09-01 | Sealed ventilative detection device of one-way discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215639991U (en) |
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2021
- 2021-09-01 CN CN202122103135.9U patent/CN215639991U/en active Active
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