Gas spacer structure
By introducing an openable threaded cap and a membrane separation structure into the gas separator, gas property detection can be achieved without damaging the device, solving the problem of gas separator scrapping caused by traditional testing methods and ensuring normal use and sealing after testing.
Patent Information
- Application Number
- CN202520840064.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-29
AI Technical Summary
Existing gas separators will damage the device by cutting open the PE bag to test the properties of the gas inside, rendering it unusable.
Design a gas separator structure comprising an inner bag, an outer bag, a compressed gas canister, and an openable threaded cap. Gas flow is detected by screwing on the threaded cap. The inner bag and outer bag are separated by membrane compression to test gas properties, maintaining a seal and triggering the expansion of the outer bag.
Gas properties can be detected without cutting open the PE bag, avoiding structural damage, ensuring the normal use of the gas separator, and improving detection efficiency and sealing.
Smart Images
Figure CN223954791U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas spacer technical field, concretely relates to a gas spacer structure. BACKGROUND
[0002] The gas spacer is a device for blast hole blasting engineering, forms a controllable gas layer between explosive layers, optimizes explosive energy transmission efficiency, is mainly applied to open pit mining, tunnel engineering and the like scenes, realizes layered loading of explosives, and can also reduce explosive consumption of single blasting.
[0003] The gas stored in the PE bag of the gas spacer is generally two kinds, one is flammable and explosive gas, and the other is non-combustible gas, the staff will cut the PE bag before use, test whether the gas in the bag is flammable, if the gas in the bag can increase combustion, it shows that the gas is flammable and explosive, otherwise it is non-combustible gas, the staff can assist to judge the safety distance in blasting engineering after knowing the nature of the gas in the bag, and the safety of the staff is ensured, in the use process of the prior art, the inventor finds that the way of testing the gas in the bag by cutting the PE bag will damage the gas spacer, so that the gas spacer cannot be normally used subsequently, and waste is caused. SUMMARY
[0004] Based on the above description, the utility model provides a gas spacer structure to solve the problem that the existing gas spacer will damage the gas spacer by cutting the PE bag to test the gas in the bag, so that the gas spacer cannot be used subsequently.
[0005] The technical scheme for solving the above technical problem is as follows: a gas spacer structure comprises: an inner bag, and a compressed gas cylinder and an outer bag arranged in the inner bag and on the outer two sides, one end of the inner bag extends to the outside of the outer bag for gas flow detection, and a screw cap for opening and closing control is threadedly connected, the other end of the inner bag is pasted with a film, and the film is separated from the outer bag by gas extrusion and communicates with the outer bag to expand.
[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0007] Further, the two ends of the inner bag are integrally formed with a first extension pipe and a second extension pipe respectively, and the film is pasted on one end of the second extension pipe away from the inner bag.
[0008] Further, a threaded groove is formed in the inner side of the first extension pipe away from the one end of the inner bag, the screw cap is threadedly connected with the threaded groove, and the first extension pipe is sealed.
[0009] Further, a double-pass joint is integrally formed in the center of one end of the outer bag, and the double-pass joint communicates the inside of the outer bag.
[0010] Further, the outer bag is wrapped outside the inner bag, and the double-pass joint is fixedly connected to the outside of the first extension pipe.
[0011] Further, a woven bag is fixedly connected to the outside of the outer bag, and the compressed gas tank is fixedly connected to the inside of the inner bag.
[0012] Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
[0013] The utility model discloses a threaded cover that can be opened and closed is arranged on the outside of the inner bag, and the threaded cover can be screwed to realize gas flow detection without cutting the PE bag, the gas combustion test is directly conducted by using the extension part of the inner bag, the structure of the gas spacer is not damaged by the traditional cutting operation, and simultaneously, the inner bag and the outer bag are communicated through the film that is separated by gas extrusion, the film can still keep sealing after detection and trigger the expansion function of the outer bag, the problem that the gas spacer is scrapped due to the traditional test is solved, and the normal use of the gas spacer after detection is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A sectional structure schematic view of a gas spacer structure is provided for the utility model embodiment;
[0015] Figure 2 A sectional structure schematic view of the inner bag is provided for the utility model embodiment;
[0016] Figure 3 A structure schematic view of the connection relationship between the inner bag and the threaded rod is provided for the utility model embodiment;
[0017] Figure 4 A sectional structure schematic view of the connection relationship between the inner bag and the woven bag is provided for the utility model embodiment;
[0018] In the drawings, the component list represented by each sign is as follows:
[0019] 1, inner bag; 11, first extension pipe; 12, second extension pipe; 2, threaded groove; 3, threaded cover; 4, film; 5, outer bag; 51, double-pass joint; 6, woven bag; 7, compressed gas tank. DETAILED DESCRIPTION
[0020] In order to facilitate the understanding of the application, the application will be described more fully below with reference to the related drawings. The drawings show embodiments of the application. However, the application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive.
[0021] Unless otherwise defined, 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 application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.
[0022] Referring to Figures 1-4 The gas spacer structure comprises an inner bag 1, a compressed gas tank 7 and an outer bag 5 arranged on the outer side of the inner bag 1, one end of the inner bag 1 extends to the outer side of the outer bag 5 for gas flow detection, and a screw cap 3 for opening and closing control is threadedly connected, the other end of the inner bag 1 is pasted with a film 4, and the film 4 is separated from the outer bag 5 by gas extrusion and communicates with the outer bag 5 for expansion.
[0023] Referring to Figure 1 The two ends of the inner bag 1 are integrally formed with a first extension pipe 11 and a second extension pipe 12 respectively, the film 4 is pasted at the end of the second extension pipe 12 away from the inner bag 1, the integrally extended first extension pipe 11 and the second extension pipe 12 reduce the risk of interface leakage, improve the sealing performance of the inner bag 1, prevent accidental leakage of flammable gas, the second extension pipe 12 fixes the position of the film 4, after the inner bag 1 is filled with the compressed gas tank 7, the increased gas pressure in the inner bag 1 will extrude the film 4, so that the film 4 is separated in a directional manner, the gas in the inner bag 1 will enter the outer bag 5, and the expansion triggering condition of the outer bag 5 is accurately controlled.
[0024] Referring to Figure 2 A threaded groove 2 is formed at the end of the first extension pipe 11 away from the inner bag 1, the screw cap 3 is threadedly connected with the threaded groove 2 and seals the first extension pipe 11, the threaded connection design simplifies the detection process, gas sampling can be completed without tools, operation efficiency is improved, the screw cap 3 can be repeatedly opened and closed, gas properties can be detected multiple times, the detection sealing performance of the first extension pipe 11 is ensured, and gas leakage or pollution is prevented.
[0025] Referring to Figure 4 A double-pass joint 51 is integrally formed at the center of one end of the outer bag 5, the double-pass joint 51 communicates with the inner side of the outer bag 5, the outer bag 5 is wrapped on the outer side of the inner bag 1, the double-pass joint 51 is fixedly connected to the outer side of the first extension pipe 11, the double-pass joint 51 is integrally formed with the outer bag 5, additional connecting components are reduced, assembly complexity is reduced, the fixed connection of the double-pass joint 51 and the first extension pipe 11 ensures the sealing performance of the outer bag 5, the balance of the inner and outer gas pressures when the outer bag 5 expands can be ensured, single-point pressure breakage is avoided, and the structural reliability is improved.
[0026] Referring to Figure 1The outer side of the outer bag 5 is fixedly connected with a woven bag 6, and a compressed gas tank 7 is fixedly connected to the inner side of the inner bag 1. The woven bag 6 is fixed to the outer side of the outer bag 5 by means of hot melting or sewing, and the woven bag 6 completely wraps the outer bag 5, and only the detection end of the first extension pipe 11 is exposed, which is used for preventing scratching and replacing impact. The compressed gas tank 7 is installed close to the film 4, shortens the gas release path, optimizes the space utilization, ensures that the gas quickly acts on the film 4 or the outer bag 5, improves the response efficiency, and the compressed gas tank 7 is a kind of pressing type air pipe.
[0027] When the gas spacer is used, the compressed gas tank 7 is started first, then the threaded cap 3 is rotated and taken out from the first extension pipe 11, the first extension pipe 11 forms an exhaust passage, the gas in the compressed gas tank 7 is discharged outward through the first extension pipe 11, and the staff tests the gas properties at the detection end of the first extension pipe 11. After the test is completed, the threaded cap 3 and the first extension pipe 11 are reconnected, at this time, the inner bag 1 is in a sealed state, the compressed gas tank 7 continuously releases gas to fill the inner bag 1, the gas in the inner bag 1 cannot be discharged to press the film 4, so that the film 4 automatically falls off from the outer side of the second extension pipe 12, and the gas flows into the outer bag 5 through the second extension pipe 12 to expand the outer bag 5 to reach the auxiliary explosion condition.
[0028] In this use, the singular form "a", "an" and "said" can also include the plural form, unless the context clearly indicates otherwise. It should also be understood that the term "includes / contains" or "has" and the like specifies the presence of the stated features, integers, steps, operations, components, parts or combinations thereof, but does not exclude the possibility of the presence or addition of one or more other features, integers, steps, operations, components, parts or combinations thereof.
[0029] The above description is only the preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A gas spacer structure, characterized by, The utility model relates to a kind of compressed gas cylinder, including: Inner bag (1) and the compressed gas cylinder (7) and outer bag (5) set in the inner bag (1) outer two sides, one end of the inner bag (1) extends to the outside of the outer bag (5) for gas flow detection, and screw thread connection has opening and closing control screw cap (3), the other end of the inner bag (1) is pasted with film (4), the film (4) is separated by gas extrusion and is communicated with the outer bag (5) to expand.
2. The gas spacer structure of claim 1, wherein: The two ends of the inner bag (1) are integrally formed with a first extension tube (11) and a second extension tube (12), respectively, and the film (4) is pasted on the end of the second extension tube (12) away from the inner bag (1).
3. The gas spacer structure of claim 2, wherein: A threaded groove (2) is formed in the inner side of the first extension tube (11) away from the inner bag (1), the threaded cap (3) is threadedly connected with the threaded groove (2), and the first extension tube (11) is sealed.
4. The gas spacer structure of claim 3, wherein: A double-pass connector (51) is integrally formed in the center of one end of the outer bag (5), and the double-pass connector (51) communicates the inner side of the outer bag (5).
5. The gas spacer structure of claim 4, wherein: The outer bag (5) is wrapped outside the inner bag (1), and the double-pass connector (51) is fixedly connected to the outer side of the first extension tube (11).
6. The gas spacer structure of claim 1, wherein: A woven bag (6) is fixedly connected to the outer side of the outer bag (5), and the compressed gas cylinder (7) is fixedly connected to the inner side of the inner bag (1).