Air tightness test device for airtight casing of civil air defense
By setting multiple mounting pipes and on-off valves of different diameters on the side wall of the sealed adapter of the human-proof sealed sleeve airtightness test device, combined with the fixing structure on the fixing plate, the problem of inconvenient replacement and poor storage of the sealed adapter when detecting sleeves of different diameters is solved, and convenient use and safe storage of the sealed adapter is achieved.
Patent Information
- Application Number
- CN202421550045.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-02
AI Technical Summary
When testing sleeves of different diameters, existing anti-sealed sleeves have to be replaced frequently, which is inconvenient to use and lacks an effective storage structure, which leads to the sealed adapter being easily dropped and damaged.
A human-proof sealed sleeve airtightness test device is designed. By installing multiple mounting pipes of different diameters on the side wall of the sealed adapter and setting on and off valves on the installation pipe, the need to replace the sealed adapter is avoided. In addition, by providing a fixed structure on the fixing plate, including a slot, a ball and a limiting rod, the fixed limit and storage of the sealed adapter are realized.
The inspection of civil defense sleeves of different diameters does not require replacement of sealed adapters, making them more convenient to use; at the same time, the sealed adapters are effectively stored through a fixed structure to avoid falling and damage.
Smart Images
Figure CN222733786U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to an airtightness testing device for a closed casing for civil air defense. Background Art
[0002] Civil airtight casing is a special piping system component, mainly used to prevent explosions, shock waves and poisonous gases. It is usually installed on the outer wall or load-bearing wall of civil air defense projects, such as underground passages, tunnels, basements, corridor entrances and other places prone to disasters. These casings are made of special materials, such as Q235 carbon steel. Its main functions include explosion-proof, shock wave-proof and poisonous gas-proof. At the same time, it can effectively prevent casualties and property losses in natural disasters such as earthquakes, storms, floods, etc. In order to ensure the quality and safety of civil air defense projects, air tightness testing of civil air defense casings is an indispensable link.
[0003] When testing airtight casings of different diameters, it is necessary to replace sealing adapters of different diameters and switch back and forth, which is very inconvenient to use. Moreover, there is no special storage structure for connecting pipes and sealing adapters on general experimental devices. When the testing device is not in use, the connecting pipes and sealing adapters are directly placed on the experimental device, which are easy to fall and be damaged.
[0004] Therefore, it is hoped to provide a device for testing the air tightness of a closed casing for civil air defense. Utility Model Content
[0005] In this embodiment, a civil airtight casing airtightness test device is provided to solve the problem that when testing civil airtight casings of different diameters, it is necessary to switch back and forth between sealing adapters of different diameters, which is inconvenient to use and inconvenient to store connecting pipes and sealing adapters.
[0006] According to one aspect of the present application, a device for testing air tightness of a closed casing for civil air defense is provided, comprising a pressure test pump, a copper ball valve 1, an air pressure gauge, a copper ball valve 2, an air flow meter and a sealing adapter, characterized in that the device for testing air tightness of a closed casing for civil air defense further comprises:
[0007] A mounting tube, the mounting tube being disposed on a side wall of the sealing adapter;
[0008] A fixing plate and a fixing structure, wherein the fixing plate is arranged at the bottom of the air pressure gauge, and the fixing structure is arranged on both sides of the fixing structure.
[0009] Specifically, a copper ball valve 1 is fixed to the output end of the pressure test pump, a connecting pipe 1 is fixed to the other end of the copper ball valve 1, and an air pressure gauge is fixed to the other end of the connecting pipe 1.
[0010] Specifically, a connecting pipe 2 is fixed to the output end of the air pressure gauge, a copper ball valve 2 is fixed to the other end of the connecting pipe 2, a connecting pipe 3 is fixed to the output end of the copper ball valve 2, and an air flow meter is fixed to the other end of the connecting pipe 3.
[0011] Specifically, a connecting pipe four is fixed to the output end of the air flow meter, and the output end of the connecting pipe four is fixed to a sealing adapter, and a limiting plate is fixed to a side wall of one end of the sealing adapter close to the connecting pipe four.
[0012] Specifically, a plurality of mounting tubes are fixed to the top and bottom side walls of the sealing adapter, on-off valves are fixed to the mounting tubes, and the mounting tubes have different diameters.
[0013] Specifically, one end of the bottom of the fixing plate is fixed to the pressure test pump, and two ends of the top of the fixing plate are fixed to the output end of the pressure test pump and the connecting pipe three, and the output end of the pressure test pump and the connecting pipe three pass through the fixing plate.
[0014] Specifically, a first card slot is provided at one middle end of the fixing plate, and a fixing structure is provided in the two side walls of the first card slot, and the fixing structure includes an installation slot, a limit rod, a spring, a mounting plate, a card ball, a slot and a second card slot.
[0015] Specifically, the installation grooves are symmetrically arranged inside the two side walls of the slot, and the side walls of the installation groove that are far away from each other are fixed with a limiting rod and a spring, the spring is sleeved on the outside of the limiting rod, and the other ends of the limiting rod and the spring are fixed with a mounting plate.
[0016] Specifically, a card ball is fixed in the middle of the side wall of the mounting plate away from the limiting rod, the card ball passes through the side wall of the mounting groove and extends to the outside, and a sealing adapter corresponding to the card ball is provided with a card groove 2 on the side wall of one end close to the limiting plate.
[0017] Specifically, one end of the mounting plate passes through the side wall of the mounting groove and extends to the outside, and the side wall of the mounting groove corresponding to the mounting plate is transversely provided with a groove.
[0018] The benefits of this application are:
[0019] 1. By arranging multiple mounting tubes on the side wall of the sealing adapter, the mounting tubes have different diameters, and an on-off valve is arranged on the mounting tube. When detecting civil air defense sleeves of different diameters, the civil air defense sleeves can be installed on the corresponding mounting tubes, and the mounting tubes can be controlled by the on-off valve, so that when detecting civil air defense sleeves of different diameters, there is no need to replace the sealing adapter, which is convenient to use.
[0020] 2. By setting a fixing structure on the fixing plate, when the test device is not in use, the sealing adapter can be clamped in the slot 1 on the fixing plate, and the clamping balls in the fixing structure on both sides of the slot 1 are respectively clamped in the slot 2 on the two side walls of the sealing adapter, thereby fixing and limiting the sealing adapter, so that the sealing adapter can be stored and placed to prevent the sealing adapter from falling and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;
[0023] Figure 2 This is a front view structural schematic diagram of an embodiment of the present application;
[0024] Figure 3 For an embodiment of the present application Figure 2 A is an enlarged structural diagram of FIG.
[0025] In the figure: 1. pressure test pump; 2. copper ball valve 1; 3. connecting pipe 1; 4. air pressure gauge; 5. connecting pipe 2; 6. copper ball valve 2; 7. connecting pipe 3; 8. air flow meter; 9. connecting pipe 4; 10. sealing adapter; 11. limit plate; 12. mounting pipe; 13. on-off valve; 14. fixing plate; 15. slot 1; 16. fixing structure; 1601. mounting slot; 1602. limit rod; 1603. spring; 1604. mounting plate; 1605. clamping ball; 1606. slot; 1607. slot 2. DETAILED DESCRIPTION
[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.
[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0030] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0032] See also Figure 1-3 As shown, a device for testing air tightness of air-defense closed casing, comprising a pressure test pump 1, a copper ball valve 1 2, an air pressure gauge 4, a copper ball valve 2 6, an air flow meter 8 and a sealing adapter 10, characterized in that the device for testing air tightness of air-defense closed casing also comprises:
[0033] A mounting tube 12, wherein the mounting tube 12 is disposed on a side wall of the sealing adapter 10;
[0034] The fixing plate 14 and the fixing structure 16 , wherein the fixing plate 14 is arranged at the bottom of the air pressure gauge 4 , and the fixing structure 16 is arranged on both sides of the fixing structure 16 .
[0035] A copper ball valve 2 is fixed to the output end of the pressure test pump 1, a connecting pipe 3 is fixed to the other end of the copper ball valve 2, and an air pressure gauge 4 is fixed to the other end of the connecting pipe 3.
[0036] A connecting pipe 2 5 is fixed to the output end of the air pressure gauge 4 , a copper ball valve 2 6 is fixed to the other end of the connecting pipe 2 5 , a connecting pipe 3 7 is fixed to the output end of the copper ball valve 2 6 , and an air flow meter 8 is fixed to the other end of the connecting pipe 3 7 .
[0037] A connecting pipe 9 is fixed to the output end of the air flow meter 8, and a sealing adapter 10 is fixed to the output end of the connecting pipe 9. A limiting plate 11 is fixed to the side wall of one end of the sealing adapter 10 close to the connecting pipe 9.
[0038] A plurality of mounting tubes 12 are fixed to the top and bottom side walls of the sealing adapter 10 , on and off valves 13 are fixed to the mounting tubes 12 , and the mounting tubes 12 have different diameters.
[0039] One end of the bottom of the fixing plate 14 is fixed to the pressure test pump 1 , and the two ends of the top of the fixing plate 14 are fixed to the output end of the pressure test pump 1 and the connecting pipe three 7 , and the output end of the pressure test pump 1 and the connecting pipe three 7 pass through the fixing plate 14 .
[0040] A card slot 15 is provided at one middle end of the fixing plate 14, and a fixing structure 16 is provided in the two side walls of the card slot 15. The fixing structure 16 includes a mounting groove 1601, a limiting rod 1602, a spring 1603, a mounting plate 1604, a card ball 1605, a slot 1606 and a card slot 2 1607.
[0041] The mounting groove 1601 is symmetrically arranged inside the two side walls of the slot 1606, and the side walls of the mounting groove 1601 that are away from each other are fixed with a limiting rod 1602 and a spring 1603, and the spring 1603 is sleeved on the outside of the limiting rod 1602, and the other end of the limiting rod 1602 and the spring 1603 is fixed with a mounting plate 1604.
[0042] A locking ball 1605 is fixed in the middle of the side wall of the mounting plate 1604 away from the limiting rod 1602. The locking ball 1605 passes through the side wall of the mounting groove 1601 and extends to the outside. The sealing adapter 10 corresponding to the locking ball 1605 is provided with a second locking groove 1607 on the side wall of one end close to the limiting plate 11.
[0043] One end of the mounting plate 1604 passes through the side wall of the mounting groove 1601 and extends to the outside. The side wall of the mounting groove 1601 corresponding to the mounting plate 1604 is transversely provided with a slot 1606 .
[0044] When the present application is in use, the electrical components appearing in the application are all externally connected to the power supply and the control device. Before the experiment, one end of the measured pipeline is first sealed with a threaded plug, and the other end is connected to the installation pipe 12 of the corresponding diameter in the test device, and the on-off valve 13 on the corresponding installation pipe 12 is opened, and then the pressure test pump 1, copper ball valve 1 2, air pressure gauge 4, copper ball valve 2 6 and air flow meter 8 on the detection device are opened, and the pressure is increased to not less than 2Mpa, and wait for 5 minutes, observe and record the leakage and air pressure reduction, and record the leakage and air pressure reduction constants; then the sealing device is installed in the measured pipeline and the plugging is removed, and the other end is connected to the experimental device, and the pressure is increased to not less than 2Mpa, and wait for 5 minutes, and the leakage and air pressure reduction are observed and recorded, and the leakage and air pressure reduction are recorded. When the two results are compared and the air leakage and the air pressure reduction do not exceed a certain limit, it can be considered that the airtightness of the object under test meets the requirements. A plurality of mounting tubes 12 are arranged on the side wall of the sealing adapter 10, and the mounting tubes 12 have different diameters. When testing civil defense sleeves of different diameters, there is no need to replace the sealing adapter 10, which is easy to use. When the test device is not in use, the sealing adapter 10 can be clamped in the card slot 15 on the fixing plate 14, and the card balls 1605 in the fixing structure 16 on both sides of the card slot 15 are respectively clamped in the card slot 2 1607 on the two side walls of the sealing adapter 10, so as to fix and limit the sealing adapter 10, so as to store and place the sealing adapter 10 to avoid the sealing adapter 10 from falling and being damaged. When removing the sealing adapter 10, push the mounting plates 1604 on both sides of the box respectively to separate the card balls 1605 from the card slot 2 1607, and then remove the sealing adapter 10, which is easy to operate.
[0045] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for testing the air tightness of a closed casing for civil air defense, comprising a pressure test pump (1), a copper ball valve (2), an air pressure gauge (4), a copper ball valve (6), an air flow meter (8) and a sealing adapter (10), characterized in that: The airtightness test device for the airtight casing of civil air defense also includes: A mounting tube (12), wherein the mounting tube (12) is arranged on a side wall of the sealing adapter (10); A fixing plate (14) and a fixing structure (16), wherein the fixing plate (14) is arranged at the bottom of the air pressure gauge (4), and the fixing structure (16) is arranged on both sides of the fixing structure (16).
2. The airtightness test device for airtight casing for civil air defense according to claim 1 is characterized in that: A copper ball valve (2) is fixed to the output end of the pressure test pump (1), a connecting pipe (3) is fixed to the other end of the copper ball valve (2), and an air pressure gauge (4) is fixed to the other end of the connecting pipe (3).
3. The airtightness test device for airtight casing for civil air defense according to claim 1 is characterized in that: A second connecting pipe (5) is fixed to the output end of the air pressure gauge (4), a second copper ball valve (6) is fixed to the other end of the second connecting pipe (5), a third connecting pipe (7) is fixed to the output end of the second copper ball valve (6), and an air flow meter (8) is fixed to the other end of the third connecting pipe (7).
4. The airtightness test device for airtight casing for civil air defense according to claim 1, characterized in that: A connecting pipe four (9) is fixed to the output end of the air flow meter (8), and the output end of the connecting pipe four (9) is fixed to a sealing adapter (10), and a limiting plate (11) is fixed to a side wall of one end of the sealing adapter (10) close to the connecting pipe four (9).
5. The airtightness test device for airtight casing for civil air defense according to claim 1 is characterized in that: A plurality of mounting tubes (12) are fixed to the top and bottom side walls of the sealing adapter (10), on and off valves (13) are fixed to the mounting tubes (12), and the mounting tubes (12) have different diameters.
6. The airtightness test device for airtight casing for civil air defense according to claim 1, characterized in that: One end of the bottom of the fixing plate (14) is fixed to the pressure test pump (1), and the two ends of the top of the fixing plate (14) are fixed to the output end of the pressure test pump (1) and the connecting pipe three (7), and the output end of the pressure test pump (1) and the connecting pipe three (7) pass through the fixing plate (14).
7. The airtightness test device for airtight casing for civil air defense according to claim 1 is characterized in that: A first clamping groove (15) is provided at one middle end of the fixing plate (14), and a fixing structure (16) is provided in the two side walls of the first clamping groove (15), and the fixing structure (16) comprises a mounting groove (1601), a limiting rod (1602), a spring (1603), a mounting plate (1604), a clamping ball (1605), a slot (1606) and a second clamping groove (1607).
8. The airtightness test device for airtight casing for civil air defense according to claim 7, characterized in that: The installation groove (1601) is symmetrically arranged inside the two side walls of the slot (1606); the side walls of the installation groove (1601) that are away from each other are fixed with a limit rod (1602) and a spring (1603); the spring (1603) is sleeved on the outside of the limit rod (1602); and the other end of the limit rod (1602) and the spring (1603) is fixed with a mounting plate (1604).
9. The airtightness test device for airtight casing for civil air defense according to claim 8, characterized in that: A locking ball (1605) is fixed in the middle of the side wall of the mounting plate (1604) away from the limiting rod (1602), and the locking ball (1605) passes through the side wall of the mounting groove (1601) and extends to the outside. A second locking groove (1607) is provided on the side wall of one end of the sealing adapter (10) corresponding to the locking ball (1605) close to the limiting plate (11).
10. The airtightness test device for airtight casing for civil air defense according to claim 8, characterized in that: One end of the mounting plate (1604) passes through the side wall of the mounting groove (1601) and extends to the outside, and the side wall of the mounting groove (1601) corresponding to the mounting plate (1604) is transversely provided with a slot (1606).