A sampling bottle
By setting a corrosion-resistant layer on the inner wall of the storage chamber of the sampling bottle, and setting a material channel and a visual channel on the upper part of the bottle body, the corrosion pollution problem during the storage of nitrous oxide and the inconvenient observation of the sampling process are solved, and the safety of the sample and the observability of operation are improved.
Patent Information
- Application Number
- CN202420677421.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-03
AI Technical Summary
When storing nitrous oxide, existing sampling bottles will produce Fe+ ions due to material corrosion, resulting in sample contamination, and the sampling process is inconvenient for observation, which increases safety hazards.
A sampling bottle is designed, with a corrosion-resistant layer provided in the inner wall of the container cavity of the bottle body, and a material channel and a visual channel are provided on the upper part of the bottle body. It has built-in visual lenses and lighting components to facilitate observation of the sampling process.
The corrosion-resistant layer reduces contact corrosion between nitrous oxide and the inner wall of the bottle, and reduces the risk of sample contamination; the visual channels and lighting components make the sampling process more observable, improving operational safety.
Smart Images

Figure CN222748313U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical sampling equipment, in particular to a sampling bottle. Background Art
[0002] Nitrogen tetroxide is a conventional liquid propellant for launch vehicles. It is highly oxidizing and corrosive. It can burn immediately when it comes into contact with clothing, sawdust, cotton or other combustibles. It reacts violently with general fuel or rocket fuel and chlorinated hydrocarbons to cause explosions. Before the propellant is filled into the rocket launcher, it is necessary to sample and test the nitrogen tetroxide in the nitrogen tetroxide storage equipment to ensure launch safety.
[0003] At present, sampling in the chemical industry is mostly done with sampling bottles. The material is placed in the sampling bottle, and the sampling personnel transport the sampling bottle to the analysis room for sampling and analysis. Existing sampling bottles are mostly made of stainless steel. After degreasing, rust removal, passivation, drying and other treatments, the sampling cylinders can be used for long-term stable storage of oxidants. However, studies have found that the Fe+ ions in the corrosive products produced by the contact between nitrogen tetroxide and stainless steel will exist in granular or gel form, causing contamination of the sample in the sampling bottle; in addition, when sampling, the sample is taken into the cylinder through the operating tube, which is not convenient for observation of the sampling process, and it is easy for material overflow to increase safety hazards. Utility Model Content
[0004] The purpose of the utility model is to provide a sampling bottle to solve the problems existing in the above-mentioned prior art, reduce the contamination of the sample in the sampling bottle, facilitate observation of the sampling process, and improve operational safety.
[0005] To achieve the above purpose, the utility model provides the following solutions:
[0006] The utility model provides a sampling bottle, comprising a bottle body with a accommodating cavity, wherein the inner wall of the accommodating cavity is provided with a corrosion-resistant layer; a material channel and a visual channel connected to the accommodating cavity are provided on the upper part of the bottle body, a visual lens is fixedly provided in the visual channel, and a lighting component is also fixedly provided on the visual channel, and the lighting component is used to illuminate the accommodating cavity through the visual channel.
[0007] Preferably, a pressure cover is detachably provided at the outer end of the visible channel, a visible through hole is provided in the pressure cover, and the lighting component is fixedly connected to one side of the pressure cover.
[0008] Preferably, the inner peripheral wall of the outer end of the visible channel is provided with a circumferential convex ring, and the visible lens is arranged between the pressure cover and the circumferential convex ring.
[0009] Preferably, circumferential sealing rings are provided between both sides of the visible lens and the pressure cover and the circumferential convex ring.
[0010] Preferably, the lighting component is configured as an LED explosion-proof flashlight, and the lighting component is detachably fixedly connected to the gland.
[0011] Preferably, a sealing cover is detachably provided at the outer end of the material channel.
[0012] Preferably, an exhaust passage communicating with the accommodating cavity is further provided on the upper portion of the bottle body, and a control valve is provided on the exhaust passage.
[0013] Preferably, the material channel, the visual channel and the inner walls of the exhaust channel are all provided with the corrosion-resistant layer.
[0014] Preferably, the corrosion-resistant layer is made of PFA material.
[0015] Preferably, it also includes a handle, which is arranged in a U shape, and both ends of the handle are rotatably connected to the two sides of the outside of the bottle body, and the handle can rotate around the bottle body in the vertical direction around a horizontal axis.
[0016] Compared with the prior art, the utility model has achieved the following technical effects:
[0017] The sampling bottle provided by the utility model has a corrosion-resistant layer arranged on the inner wall of the accommodating cavity of the bottle body, and the corrosion-resistant layer can reduce the generation of corrosive products caused by the contact between materials such as nitrogen tetroxide and the inner wall of the bottle body, thereby reducing the contamination of the material sample; the material is injected into or taken out of the sampling bottle through the material channel, and the material is observed through the visual channel, the visual lens can observe and play a protective role at the same time, and the lighting component can illuminate the accommodating cavity, which further facilitates the operation and observation of the material in the accommodating cavity, avoids the inconvenience of observation due to the dim environment, and improves the safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 A structural cross-sectional view of a sampling bottle provided in Example 1;
[0020] Figure 2 A schematic top view of the sampling bottle provided in Example 1;
[0021] Figure 3 This is an axial schematic diagram of the visual channel and lighting components provided in Example 1;
[0022] Figure 4 for Figure 3 Structural cross-sectional views of the visual channels and lighting components are provided.
[0023] In the figure: 1-sampling bottle; 10-bottle body; 11-accommodating chamber; 20-material channel; 30-visible channel; 31-circumferential convex ring; 40-visible lens; 50-illumination component; 60-pressure cover; 70-circumferential sealing ring; 80-sealing cover; 90-exhaust channel; 100-control valve; 110-handle. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] The purpose of the utility model is to provide a sampling bottle to solve the problems existing in the above-mentioned prior art, reduce the contamination of the sample in the sampling bottle, facilitate observation of the sampling process, and improve operational safety.
[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0027] Embodiment 1
[0028] This embodiment provides a sampling bottle 1, see Figure 1-Figure 4 , including a bottle body 10 with a accommodating cavity 11, the inner wall of the accommodating cavity 11 is provided with a corrosion-resistant layer; a material channel 20 and a visual channel 30 connected to the accommodating cavity 11 are provided on the upper part of the bottle body 10, a visual lens 40 is fixedly provided in the visual channel 30, and a lighting component 50 is also fixedly provided on the visual channel 30, and the lighting component 50 is used to illuminate the accommodating cavity 11 through the visual channel 30.
[0029] By setting a corrosion-resistant layer on the inner wall of the accommodating cavity 11 of the bottle body 10, the corrosion-resistant layer can reduce the contact between materials such as nitrogen tetroxide and the inner wall of the bottle body 10 to produce corrosive products, thereby reducing the contamination of the material sample; the material is injected or taken out of the sampling bottle 1 through the material channel, and observed through the visual channel 30. The visible lens 40 can observe and play a protective role at the same time. The lighting component 50 can illuminate the accommodating cavity, which further facilitates the operation and observation of the material in the accommodating cavity 11, avoids observation inconvenience due to dim environment, and improves operational safety; the bottle body 10 is made of stainless steel.
[0030] In the optional scheme of this embodiment, it is more preferred that a pressure cover 60 is detachably pressed on the outer end of the visual channel 30, and a visible through hole is provided in the pressure cover 60. The lighting component 50 is fixedly connected to one side of the pressure cover 60. By providing the pressure cover 60 with a visible through hole, it is convenient to observe, and at the same time, it can be connected with the lighting component 50 to fix the position of the lighting component 50; specifically, the pressure cover 60 can be threadedly connected to the outer end of the visual channel 30, which is convenient for installation and disassembly; in addition, please refer to Figure 3 The lighting component 50 is arranged on one side of the pressure cover 60 to avoid being arranged in the middle to affect the observation field of view.
[0031] In the optional scheme of this embodiment, it is more preferred that the inner wall of the outer end of the visible channel 30 is provided with a circumferential convex ring 31, and the visible lens 40 is arranged between the pressure cover 60 and the circumferential convex ring 31, and the pressure cover 60 and the circumferential convex ring 31 fix the position of the visible lens 40.
[0032] In the optional scheme of this embodiment, it is more preferred that circumferential sealing rings 70 are provided on both sides of the visible lens 40 and between the pressure cover 60 and the circumferential convex ring 31. By providing the circumferential sealing rings 70, the circumferential sealing performance of the visible lens 40 can be improved.
[0033] In the optional scheme of this embodiment, it is more preferred that the lighting component 50 is configured as an LED explosion-proof flashlight, and the lighting component 50 is detachably fixedly connected to the pressure cover 60; specifically, a fixing ring can be provided on one side of the pressure cover 60, and the lighting component 50 is detachably fixedly sleeved in the fixing ring.
[0034] In an optional solution of the present embodiment, more preferably, a sealing cover 80 is detachably provided at the outer end of the material channel 20 to facilitate sealing of the accommodating cavity 11 , wherein the sealing cover 80 can be threadedly connected to the outer end of the material channel 20 .
[0035] In the optional scheme of this embodiment, more preferably, the upper part of the bottle body 10 is also provided with an exhaust channel 90 connected to the accommodating chamber 11 to balance the air pressure in the accommodating chamber 11, and the exhaust channel 90 is provided with a control valve 100 to control the opening and closing of the exhaust channel 90.
[0036] Among the optional schemes of this embodiment, it is more preferred that the inner walls of the material channel 20, the visual channel 30 and the exhaust channel 90 are all provided with a corrosion-resistant layer, that is, the probability of corrosion caused by contact between the inner walls of the material channel 20, the visual channel 30 and the exhaust channel 90 and the material, resulting in material contamination, is reduced; the material of the material channel 20, the visual channel 30 and the exhaust channel 90 can also be made of stainless steel.
[0037] In the optional scheme of this embodiment, it is more preferred that the corrosion-resistant layer is set to PFA material to avoid corrosion of the equipment by nitrogen tetroxide.
[0038] Among the optional solutions of this embodiment, it is more preferred to refer to Figure 1 and Figure 2 The sampling bottle 1 provided in this embodiment also includes a handle 110. The handle 110 is set to be U-shaped. The two ends of the handle 110 are rotatably connected to the two sides of the outside of the bottle body 10 respectively, and the handle 110 can rotate around the bottle body 10 vertically around a horizontal axis. By setting a rotatable handle, the flexibility is improved; specifically, the two ends of the handle 110 can be rotatably connected to a rotating seat fixedly set on the outside of the bottle body 10 through a pin shaft.
[0039] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.
Claims
1. A sampling bottle, characterized in that: The invention comprises a bottle body (10) having a containing cavity (11), wherein the inner wall of the containing cavity (11) is provided with a corrosion-resistant layer; the upper part of the bottle body (10) is provided with a material channel (20) and a visual channel (30) communicating with the containing cavity (11); a visual lens (40) is fixedly provided in the visual channel (30); and a lighting component (50) is also fixedly provided on the visual channel (30); the lighting component (50) is used for illuminating the inside of the containing cavity (11) through the visual channel (30).
2. The sampling bottle according to claim 1, characterized in that: A pressure cover (60) is detachably pressed onto the outer end of the visible channel (30), a visible through hole is provided in the pressure cover (60), and the lighting component (50) is fixedly connected to one side of the pressure cover (60).
3. The sampling bottle according to claim 2, characterized in that: The inner peripheral wall of the outer end of the visual channel (30) is provided with a circumferential convex ring (31), and the visual lens (40) is arranged between the pressure cover (60) and the circumferential convex ring (31).
4. The sampling bottle according to claim 3, characterized in that: Circumferential sealing rings (70) are provided between the two sides of the visible lens (40) and the pressure cover (60) and the circumferential convex ring (31).
5. The sampling bottle according to claim 2, characterized in that: The lighting component (50) is configured as an LED explosion-proof flashlight, and the lighting component (50) is detachably fixedly connected to the gland (60).
6. The sampling bottle according to claim 1, characterized in that: A sealing cover (80) is detachably provided at the outer end of the material channel (20).
7. The sampling bottle according to claim 1, characterized in that: The upper part of the bottle body (10) is also provided with an exhaust passage (90) communicating with the accommodating chamber (11), and a control valve (100) is provided on the exhaust passage (90).
8. The sampling bottle according to claim 7, characterized in that: The inner walls of the material channel (20), the visual channel (30) and the exhaust channel (90) are all provided with the corrosion-resistant layer.
9. The sampling bottle according to claim 8, characterized in that: The corrosion-resistant layer is made of PFA material.
10. The sampling bottle according to claim 1, characterized in that: The bottle body (10) further comprises a handle (110) which is arranged in a U shape. Both ends of the handle (110) are rotatably connected to two sides of the outside of the bottle body (10), and the handle (110) can rotate around a horizontal axis in a vertical direction around the bottle body (10).