CN115838036A - Pressure maintaining calibration/replacement device for pressure gauge of packing box, assembly structure and use method - Google Patents
Pressure maintaining calibration/replacement device for pressure gauge of packing box, assembly structure and use method Download PDFInfo
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- CN115838036A CN115838036A CN202211633427.6A CN202211633427A CN115838036A CN 115838036 A CN115838036 A CN 115838036A CN 202211633427 A CN202211633427 A CN 202211633427A CN 115838036 A CN115838036 A CN 115838036A
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- packing box
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- 238000012856 packing Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention discloses a pressure maintaining calibrating/replacing device, an assembling structure and a using method for a pressure gauge of a packing box, wherein the pressure maintaining calibrating/replacing device for the pressure gauge comprises a sleeve, a sleeve extension rod, a convex head and a concave pipe connector; wherein sleeve, convex head and concave pipe union piece constitute a quick-operation joint device major component, and the convex head connects fast with the first end of concave pipe union piece under telescopic effect, and the second end of concave pipe union piece is connected on a packing box, and the convex head is used for connecting a manometer, the middle part and the sleeve rigid connection of sleeve extension rod. This manometer pressurize calibration/change device can conveniently press down the operation to the sleeve of manometer pressurize calibration/change device outside the packing box to lift the convex head of manometer pressurize calibration/change device off from the female pipe connector, realize the operation of dismantling the manometer from the packing box.
Description
Technical Field
The invention relates to a maintenance tool, in particular to a pressure maintaining calibrating/replacing device for a pressure gauge of a large-sized composite material packing box, an assembly structure matched with the device and a using method.
Background
The large composite material packing box can realize the functions of packing, storing, transporting and hoisting the contents, and the contents can rapidly enter and exit the box. In general, when a packing box is used for storing or transporting the contents, protective gas with specified pressure is filled in the packing box, and a pressure gauge arranged on the packing box reads the real-time pressure value in the packing box, so that the packing box is always kept at the specified pressure during the storage or transportation task. Therefore, the pressure gauge is a necessary instrument for a large-sized composite material packing box with airtight use requirements.
According to JJG52-1999, the code for the calibration of the pressure gauge, pressure gauge and vacuum gauge for the packing case is typically half a year, while the time for the packing case to store the contents under pressure is usually up to ten years. The mismatching of the verification period and the storage period of the pressure gauge makes the packing box have to be decompressed in the storage period so as to remove the pressure gauge on the packing box for inspection according to the regulations, and the decompression in the storage period influences the storage environment of the contents to different degrees and further influences the service life of the contents.
Disclosure of Invention
The invention aims to provide a pressure maintaining meter correcting/replacing device for a pressure meter of a composite material packing box, a matched assembly structure and a using method thereof, which can realize the regular calibration and replacement of the pressure meter under the condition that the pressure of the packing box is not released.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows
The invention provides a pressure maintaining calibration/replacement device for a pressure gauge of a packing box, which comprises a sleeve (2), a sleeve extension rod (3), a convex head (4) and a concave pipe connector (1); the quick connector device comprises a sleeve (2), a male head (4) and a female pipe connector (1), wherein the sleeve (2), the male head (4) and the female pipe connector (1) form a main component of the quick connector device, the male head (4) is in quick connection with a first end of the female pipe connector (1) under the action of the sleeve (2), a second end of the female pipe connector (1) is connected to a packaging box (6), the male head (4) is used for connecting a pressure gauge (5), and the middle part of a sleeve extension rod (3) is rigidly connected with the sleeve (2); when the convex head (4) and the concave pipe connector (1) are in a connection state, the convex head (4) and the concave pipe assembly form a channel for communicating the pressure gauge (5) with the interior of the packing box (6) so as to detect the internal pressure of the packing box (6); the convex head (4) and the pressure gauge (5) can be detached from the female pipe connector (1) together by pressing the end part of the sleeve extension rod (3), and the female pipe connector (1) automatically seals a channel; by pressing the end of the sleeve extension rod (3) again, the male head (4) can be mounted on the female coupling (1) together with the pressure gauge (5).
Preferably, the packaging box (6) is a large composite packaging box.
Preferably, the quick-release connector device is a manual or quick-plug single-stop quick connector.
Preferably, for said single-stop quick coupling, it comprises: the connecting piece comprises a connecting piece (11), a sleeve protecting device (15), a sleeve (2), a convex head (4), a spring valve (12) and a locking ball (14), wherein the sleeve protecting device (15) is in threaded connection with the connecting piece (11) to jointly form the female pipe connecting piece (1), the locking ball (14) is located on the sleeve protecting device (15) and can move in the radial direction, the sleeve (2) is sleeved outside the sleeve protecting device (15) and can slide relatively, the spring valve (12) is arranged in the connecting piece (11), and the convex head (4) is provided with a clamping groove clamped with the locking ball (14); in an assembled state, the convex head (4) is inserted into the sleeve protecting device (15) and jacks up the spring valve (12), and the locking ball (14) is limited by the sleeve (2) and clamped in a clamping groove of the convex head (4); when the sleeve (2) is pressed to move for a certain distance towards the direction of the connecting piece (11), the locking ball (14) moves radially and is separated from the clamping groove of the convex head (4), the convex head (4) can be taken out of the sleeve protecting device (15), and the spring valve (12) restores and seals a channel.
Preferably, the sleeve protector (15) and the connecting piece (11) are sealed by a sealing element (13) and used for sealing a gap when the spring is restored to close the channel.
The invention provides an assembly structure of a pressure gauge pressure maintaining calibration/replacement device, which is positioned at a box door of a packing box and comprises a concave accommodating cavity and a port cover (7), wherein the pressure gauge pressure maintaining calibration/replacement device is positioned in the accommodating cavity in a use state, a convex head (4) of the pressure gauge pressure maintaining calibration/replacement device is connected with a concave pipe connector (1), the convex head (4) is connected with a pressure gauge (5), the concave pipe connector (1) is connected to a box body of the packing box (6) at the bottom of the accommodating cavity, the port cover (7) detachably seals the accommodating cavity, and a cover surface (8) of the port cover (7) is made of transparent organic glass materials.
Preferably, the flap (7) is connected to the packing box (6) by means of a bolt (9).
Preferably, the concave pipe connector (1) is installed on the box body of the packing box (6) in a screw connection sealing agent mode.
Preferably, the box body of the packing box (6) at the bottom of the accommodating cavity is provided with an embedded plate (10) for enhancing the structural strength.
The third aspect of the invention provides a use method of a pressure gauge pressure maintaining calibration/replacement device, which comprises the following steps:
1) The pressure gauge (5) in the containing cavity is observed through organic glass, the pressure gauge (5) is communicated with the interior of the packing box (6) through the convex head (4) and the concave pipe connector (1) to monitor the internal pressure of the packing box (6) in real time, and the opening cover (7) is opened when the pressure gauge (5) needs to be calibrated or replaced;
2) Pressing the pressure gauge (5), wherein the pressure gauge (5) acts on the convex head (4) to apply pressure to the direction of the concave pipe connecting piece (1), the convex head (4) is separated from the concave pipe connecting piece (1), meanwhile, the concave pipe connecting piece (1) automatically closes the channel, and the pressure gauge (5) and the convex head (4) are taken out of the accommodating cavity;
3) After the taken-out pressure gauge (5) is calibrated or the taken-out pressure gauge (5) is replaced and connected with the convex head (4), the convex head (4) is aligned to the first end of the concave pipe connecting piece (1) to be pressed and is quickly connected to the first end;
4) The opening cover (7) is sealed, and the running state of the pressure gauge (5) is continuously observed through organic glass.
The technical scheme of the invention has the following beneficial effects:
according to the invention, the pressure maintaining calibrating/replacing device for the pressure gauge of the packing box is arranged on the packing box, so that the sleeve of the pressure maintaining calibrating/replacing device can be conveniently pressed outside the packing box, the convex head of the pressure maintaining calibrating/replacing device can be conveniently detached from the concave pipe connector, and the operation of detaching the pressure gauge from the packing box is realized. When the pressure maintaining and the meter calibration are carried out for half a year under the normal storage condition, the pressure meter can be conveniently and rapidly detached from the device without influencing the sealing of the box body. Furthermore, the sleeve, the convex head and the concave pipe connecting piece of the pressure maintaining calibration/replacement device for the pressure gauge adopt quick-insertion type single-stop quick connectors, the pressure gauge can be detached from the packaging box by pressing with one hand, the operation is more convenient, the difficulty of pressure maintaining calibration or replacement of the pressure gauge is greatly reduced, and the pressure maintaining calibration/replacement device is particularly suitable for large-scale composite material packaging boxes.
Drawings
Fig. 1 is a structural diagram of a pressure gauge pressure maintaining calibration/replacement device disclosed in the embodiment.
Fig. 2 is an assembly structure diagram of a packing box pressure gauge pressure maintaining calibration/replacement device disclosed in the embodiment.
Fig. 3 is a schematic structural diagram of a single-stop quick coupling in the embodiment.
Fig. 4A-4C are diagrams illustrating a process of using a single-stop quick coupling in an embodiment.
Description of reference numerals:
1: a female pipe connection;
2: a sleeve;
3: a sleeve extension rod;
4: a male head;
5: a pressure gauge;
6: packaging the box;
7: a flap;
8: covering;
9: a bolt;
10: pre-burying a plate;
11: a connecting piece;
12: a spring valve;
13: a seal member;
14: a locking ball;
15: a sleeve guard.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
The embodiment discloses a packing box pressure gauge pressure maintaining calibrating/replacing device, and in the embodiment, the packing box is a large-scale composite material packing box. The structure of the pressure maintaining calibration/replacement device for the pressure gauge is shown in figure 1, and the pressure maintaining calibration/replacement device comprises a sleeve 2, a sleeve extension rod 3, a male head 4 and a female pipe connector 1. The quick connector device comprises a sleeve 2, a convex head 4 and a concave pipe connector 1, wherein the sleeve 2, the convex head 4 and the concave pipe connector 1 form a main component of the quick connector device, the convex head 4 is in quick connection with a first end of the concave pipe connector 1 under the action of the sleeve 2, and the sleeve 2 is conveniently pressed outside a packing box 6. The second end of the concave pipe connecting piece 1 is connected to a packing box 6, the convex head 4 is used for being connected with a pressure gauge 5, and the middle part of the sleeve extension rod 3 is rigidly connected with the sleeve 2.
When the convex head 4 and the concave pipe connecting piece 1 are in a connecting state, the convex head 4 and the concave pipe component form a channel for communicating the pressure gauge 5 with the interior of the packing box 6 so as to detect the internal pressure of the packing box 6. By pressing the end of the sleeve extension rod 3, the male head 4 together with the pressure gauge 5 can be removed from the female coupling 1, while the female coupling 1 automatically closes the channel. By pressing the end of the sleeve extension rod 3 again, the male head 4 together with the pressure gauge 5 can be mounted on the female pipe connection 1.
This embodiment still discloses the supporting assembly structure with above-mentioned manometer pressurize calibration/change device simultaneously, and it is located packing box chamber door department, as shown in fig. 2, this assembly structure includes a sunken holding chamber (rectangle closed area in fig. 2 promptly) and a flap 7, manometer pressurize calibration/change device is located when user state the holding intracavity, manometer pressurize calibration/change device's convex head 4 is connected with concave union piece 1, a manometer 5 is connected to convex head 4, concave union piece 1 connect in on the 6 boxes of packing box of holding chamber bottom, flap 7 passes through bolt 9 and connects in order to seal on the packing box 6 the holding chamber, transparent organic glass material is selected for use to the capping 8 of flap 7, is convenient for read manometer 5 and protects manometer 5 and avoid dust pollution.
In a preferred embodiment, the female coupling member 1 is mounted on the body of the packing box 6 by screwing with a sealant.
As a preferred embodiment, a pre-buried plate 10 is arranged on the box body of the packing box 6 at the bottom of the accommodating cavity for increasing the structural strength.
For the pressure gauge pressure maintaining calibration/replacement device, a commercially available quick-release connector device is selected as the quick-release connector device.
As a preferred embodiment, the quick-release joint device is a single-stop quick-release joint, and the structure of the quick-release joint device is shown in fig. 3, and includes: a coupling 11, a sleeve guard 15, a sleeve 2, a male head 4, a spring valve 12, a locking ball 14 and a seal 13. Wherein, sleeve protector 15 spiro union in constitute jointly on the union piece 11 female pipe union piece 1, locking ball 14 is located sleeve protector 15 is last and can radially remove, 2 overcoat of sleeve is in sleeve protector 15 is outer and relative slip, spring valve 12 set up in the union piece 11, convex head 4 be equipped with the draw-in groove of 14 joints of locking ball.
Of course, in other embodiments, the quick-release joint device may also be a double-stop quick-release joint, and the invention is not limited thereto.
As a preferred embodiment, the single-stop quick connector is a quick-plug type connector which can be operated by one hand. In an assembled state, as shown in fig. 4A, the male head 4 is inserted into the sleeve protector 15 and pushes the spring valve 12 open, and the locking ball 14 is limited by the sleeve 2 and is clamped in the clamping groove of the male head 4. When the sleeve 2 is pressed, the sleeve 2 will move towards the connecting piece 11 as shown in fig. 4B, and when the sleeve 2 moves to a certain distance as shown in fig. 4C, the locking balls 14 move radially and disengage from the locking grooves of the male head 4, the male head 4 can be taken out from the sleeve protector 15, and the spring valve 12 restores and closes the passage. The sleeve guard 15 is sealed from the connector 11 by a seal 13 and is used to seal the gap when the spring closes the passage after it is restored.
As another preferred embodiment, the single-stop quick connector is manually operated, and the sleeve 2 on the connector must be manually removed to connect or disconnect the male head 4, which usually requires two hands.
The use method of the packing box pressure gauge pressure maintaining calibration/replacement device disclosed by the embodiment comprises the following steps of:
1, observing a pressure gauge 5 in the containing cavity through organic glass, wherein the pressure gauge 5 is communicated with the inside of a packing box 6 through a convex head 4 and a concave pipe connector 1 to monitor the internal pressure of the packing box 6 in real time, and opening a cover 7 when the pressure gauge 5 needs to be calibrated or replaced;
2, pressing a pressure gauge 5, wherein the pressure gauge 5 acts on the convex head 4 to apply pressure to the direction of the concave pipe connecting piece 1, the convex head 4 is separated from the concave pipe connecting piece 1, meanwhile, the concave pipe connecting piece 1 automatically closes a channel, and the pressure gauge 5 and the convex head 4 are taken out of the accommodating cavity;
3, after the taken pressure gauge 5 is calibrated or the taken pressure gauge 5 is replaced and connected with the convex head 4, the convex head 4 is aligned to the first end of the concave pipe connector 1 to be pressed and is quickly connected to the first end;
4 sealing the opening cover 7, and continuously observing the running condition of the pressure gauge 5 through organic glass.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A packing box pressure gauge pressure maintaining calibration/replacement device is characterized by comprising a sleeve (2), a sleeve extension rod (3), a convex head (4) and a concave pipe connector (1); the quick connector device comprises a sleeve (2), a male head (4) and a female pipe connector (1), wherein the sleeve (2), the male head (4) and the female pipe connector (1) form a main component of the quick connector device, the male head (4) is in quick connection with a first end of the female pipe connector (1) under the action of the sleeve (2), a second end of the female pipe connector (1) is connected to a packaging box (6), the male head (4) is used for connecting a pressure gauge (5), and the middle part of a sleeve extension rod (3) is rigidly connected with the sleeve (2); when the convex head (4) and the concave pipe connector (1) are in a connection state, the convex head (4) and the concave pipe assembly form a channel for communicating the pressure gauge (5) with the interior of the packing box (6) so as to detect the internal pressure of the packing box (6); the convex head (4) and the pressure gauge (5) can be detached from the female pipe connector (1) together by pressing the end part of the sleeve extension rod (3), and the female pipe connector (1) automatically seals a channel; by pressing the end of the sleeve extension rod (3) again, the male head (4) can be mounted on the female coupling (1) together with the pressure gauge (5).
2. Pressure gauge dwell calibration/change device according to claim 1, characterized in that the packaging box (6) is a large composite material packaging box.
3. The pressure gauge pressure maintaining calibration/replacement device of claim 1, wherein the quick-release connector device is a manual or quick-plug type single-stop quick connector.
4. The pressure gauge dwell calibration/replacement device of claim 3, wherein for the single stop quick connector, it comprises: the connecting piece comprises a connecting piece (11), a sleeve protecting device (15), a sleeve (2), a convex head (4), a spring valve (12) and a locking ball (14), wherein the sleeve protecting device (15) is in threaded connection with the connecting piece (11) to jointly form the female pipe connecting piece (1), the locking ball (14) is located on the sleeve protecting device (15) and can move in the radial direction, the sleeve (2) is sleeved outside the sleeve protecting device (15) and can slide relatively, the spring valve (12) is arranged in the connecting piece (11), and the convex head (4) is provided with a clamping groove clamped with the locking ball (14); in an assembled state, the convex head (4) is inserted into the sleeve protecting device (15) and jacks up the spring valve (12), and the locking ball (14) is limited by the sleeve (2) and clamped in a clamping groove of the convex head (4); when the sleeve (2) is pressed to move for a certain distance towards the direction of the connecting piece (11), the locking ball (14) moves radially and is separated from the clamping groove of the convex head (4), the convex head (4) can be taken out of the sleeve protecting device (15), and the spring valve (12) recovers and seals a channel.
5. Pressure gauge dwell calibration/change-over device according to claim 4, characterized in that the sleeve protector (15) is sealed from the connector (11) by a seal (13) and serves to seal the gap when the spring closes the passage after it has been restored.
6. An assembling structure of a pressure maintaining calibration/replacement device of a pressure gauge according to any one of claims 1 to 5, which is located at a door of a packing box, and comprises a recessed receiving cavity and a cover (7), wherein the pressure maintaining calibration/replacement device of the pressure gauge is located in the receiving cavity when in use, a male head (4) of the pressure maintaining calibration/replacement device of the pressure gauge is connected with a female pipe connector (1), the male head (4) is connected with a pressure gauge (5), the female pipe connector (1) is connected to a box body of the packing box (6) at the bottom of the receiving cavity, the cover (7) detachably seals the receiving cavity, and a cover surface (8) of the cover (7) is made of transparent organic glass.
7. An assembly structure as claimed in claim 6, characterized in that said flap (7) is attached to said box (6) by means of bolts (9).
8. An assembly structure as claimed in claim 6, characterised in that said female coupling member (1) is mounted on the body of the packaging box (6) by means of a screw-on sealant.
9. An assembly structure as claimed in claim 6, characterised in that the box (6) at the bottom of the housing chamber is provided with pre-embedded plates (10) for increasing the structural strength.
10. A method for using a pressure gauge dwell calibration/replacement device based on the pressure gauge dwell calibration/replacement device of claim 1 and the assembly structure of claim 6, comprising the steps of:
1) The pressure gauge (5) in the containing cavity is observed through organic glass, the pressure gauge (5) is communicated with the interior of the packing box (6) through the convex head (4) and the concave pipe connector (1) to monitor the internal pressure of the packing box (6) in real time, and the opening cover (7) is opened when the pressure gauge (5) needs to be calibrated or replaced;
2) Pressing the pressure gauge (5), wherein the pressure gauge (5) acts on the convex head (4) to apply pressure to the direction of the concave pipe connecting piece (1), the convex head (4) is separated from the concave pipe connecting piece (1), meanwhile, the concave pipe connecting piece (1) automatically closes a channel, and the pressure gauge (5) and the convex head (4) are taken out of the accommodating cavity;
3) After the taken pressure gauge (5) is calibrated or the taken pressure gauge (5) is replaced and connected with the convex head (4), the convex head (4) is aligned to the first end of the concave pipe connector (1) to be pressed and is quickly connected to the first end;
4) The opening cover (7) is sealed, and the running state of the pressure gauge (5) is continuously observed through organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211633427.6A CN115838036A (en) | 2022-12-19 | 2022-12-19 | Pressure maintaining calibration/replacement device for pressure gauge of packing box, assembly structure and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211633427.6A CN115838036A (en) | 2022-12-19 | 2022-12-19 | Pressure maintaining calibration/replacement device for pressure gauge of packing box, assembly structure and use method |
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| Publication Number | Publication Date |
|---|---|
| CN115838036A true CN115838036A (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211633427.6A Pending CN115838036A (en) | 2022-12-19 | 2022-12-19 | Pressure maintaining calibration/replacement device for pressure gauge of packing box, assembly structure and use method |
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| CN (1) | CN115838036A (en) |
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| CN115370852A (en) * | 2022-08-18 | 2022-11-22 | 南京中车浦镇城轨车辆有限责任公司 | Air pressure test adapter for railway vehicle braking system |
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| CN115370852A (en) * | 2022-08-18 | 2022-11-22 | 南京中车浦镇城轨车辆有限责任公司 | Air pressure test adapter for railway vehicle braking system |
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