Portable four-in-one gas detector
By designing a portable four-in-one gas detector, the gas concentration is increased by using a compression plate and a sealing column, which solves the problem of high cost of high-sensitivity detectors and achieves low-cost and diverse detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-27
AI Technical Summary
Existing gas detectors require expensive and easily damaged high-sensitivity probes when detecting low-concentration gas components, resulting in high costs and difficult maintenance.
A portable four-in-one gas detector is used, which increases the gas concentration per unit volume through the combination of a compression plate and a sealing column. It can detect low-concentration gases using a common probe and is equipped with four detection cylinders to achieve diverse detection.
It reduces the cost and maintenance expenses of the testing instrument, while expanding the testing range and adaptability, enabling diverse testing.
Smart Images

Figure CN224052145U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a gas detector technical field, concretely is a portable four in one gas detector. BACKGROUND
[0002] The gas detector is mainly used for collecting and detecting gas, identifying the components in the gas, so as to judge the content of the required detection component. The existing gas detector mainly detects the air directly through the gas detection head when detecting, but when the content of many gas components in the air is low, a very sensitive gas detection head needs to be set, and such a gas detection head is generally expensive, and the use and maintenance cost is relatively high, and it is very easy to damage. SUMMARY
[0003] The utility model discloses a portable four in one gas detector to solve the problem in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a portable four in one gas detector, including the detector main part, the right side of detector main part is equipped with alarm lamp, the lower end fixedly connected with fixed plate of detector main part, the lower end fixedly connected with four detection barrels of fixed plate, the inner wall of detection barrel is fixedly connected with the detection probe for detecting gas component, the inside fixedly connected with sealing column of detection barrel, the inner wall of detection barrel is slidably connected with compression plate, the compression plate and sealing column are mutually matched for compressing the gas in detection barrel, the side wall of detection barrel is inserted with the moving plate for controlling the up-down movement of compression plate, the outer side wall of detection barrel is sleeved with the control ring for controlling the horizontal movement of moving plate, the middle fixedly connected with sealing rubber ring of compression plate, the middle sleeve of sealing column is sleeved with sliding sleeve, the sliding sleeve is used for controlling the repeated movement of compression plate and compressing and releasing the gas.
[0005] Preferably, the inner wall of the control ring is inclined, and the adjacent two control rings are fixedly connected with a connecting plate.
[0006] Preferably, the lower end of the compression plate is fixedly connected with a guide block, the side wall of the guide block is inclined, and the moving plate is located between the guide block and the inner wall of the control ring.
[0007] Preferably, the two ends of the moving plate penetrate through the detection barrel, and the two ends of the moving plate are rotatably connected with auxiliary wheels.
[0008] Preferably, the axis of the sealing column and the axis of the sealing rubber ring are on the same straight line, the lower end of the sealing column is conical, and the inner hole diameter of the sealing rubber ring is smaller than the upper end diameter of the sealing column.
[0009] Preferably, the side end of the sliding sleeve is fixedly connected with a linkage plate, the linkage plate is in L-shaped structure, the lower end of the linkage plate is fixedly connected with the compression plate, and the upper end of the sliding sleeve is fixedly connected with the reset spring between the inner wall of the detection cylinder.
[0010] Compared with the prior art, the beneficial effects of the utility model are that: when detecting, the gas enters the detection cylinder through the compression plate, the compression plate moves, the sealing column blocks the middle gas inlet part of the sealing rubber ring, the gas can be compressed along with the movement of the compression plate, thereby increasing the concentration of the unit volume of the gas, the gas detector does not need to use a high-sensitive detection head, greatly reduces the cost of the detector, and also reduces the subsequent maintenance cost; four detection cylinders are arranged, four-in-one gas detection is realized, detection is more diverse, and the application range is wider. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a connection diagram of the gas detector.
[0012] Fig. 2 It is a three-dimensional connection diagram of the compression plate and the sealing column.
[0013] In the drawing: 1, detector main body; 2, alarm lamp; 3, fixed plate; 4, detection cylinder; 5, control ring; 6, connecting plate; 7, detection probe; 8, moving plate; 9, auxiliary wheel; 10, compression plate; 11, sealing rubber ring; 12, guide block; 13, sealing column; 14, sliding sleeve; 15, linkage plate; 16, reset spring. DETAILED DESCRIPTION
[0014] In order to deepen the understanding and recognition of the utility model, the technical solutions in the utility model embodiments will be clearly and completely described and introduced in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and do not limit the utility model in any form. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0015] Please refer to Figs. 1-2The utility model provides a technical scheme: a portable four-in-one gas detector, including detector main body 1, the right side of detector main body 1 is equipped with alarm lamp 2, the lower end fixedly connected with fixed plate 3 of detector main body 1, the lower end fixedly connected with four detection cylinders 4 of fixed plate 3, the inner wall of detection cylinder 4 is fixedly connected with detection probe 7 for detecting gas composition, the inside fixedly connected with sealing column 13 of detection cylinder 4, the inner wall of detection cylinder 4 is slidably connected with compression plate 10, mutually cooperate for the compression of gas in detection cylinder 4 between compression plate 10 and sealing column 13, the side wall of detection cylinder 4 is inserted with moving plate 8 for controlling the up-and-down movement of compression plate 10, the outer side wall of detection cylinder 4 is sleeved with control ring 5 for controlling the horizontal movement of moving plate 8, the middle fixedly connected with sealing rubber ring 11 of compression plate 10, the middle sleeve of sealing column 13 is sleeved with sliding sleeve 14, and sliding sleeve 14 is used for controlling the repeated movement of compression plate 10 and compressing and releasing gas.
[0016] The inner wall of control ring 5 is of inclined structure, the adjacent two control rings 5 are fixedly connected with connecting plate 6, the lower end of compression plate 10 is fixedly connected with guide block 12, the side wall of guide block 12 is of inclined structure, moving plate 8 is located between guide block 12 and the inner wall of control ring 5, the both ends of moving plate 8 penetrate through detection cylinder 4, the both ends of moving plate 8 are rotatably connected with auxiliary wheel 9, in the process of moving, the inner wall of control ring 5 extrudes auxiliary wheel 9, thereby moving moving plate 8, at the same time, the other end of moving plate 8 extrudes guide block 12, is guided through guide block 12, and lifts compression plate 10, thereby compressing the gas in detection cylinder 4, increasing the concentration of unit volume gas, and the gas content can be detected without high-precision detection probe 7.
[0017] The axis of sealing column 13 and the axis of sealing rubber ring 11 are on the same straight line, the lower end of sealing column 13 is of conical structure, the inner hole diameter of sealing rubber ring 11 is less than the upper end diameter of sealing column 13, when compression plate 10 moves upwards, sealing column 13 blocks the through hole in the middle of sealing rubber ring 11, avoids leakage when compression plate 10 compresses gas, and ensures sealing.
[0018] The side end of sliding sleeve 14 is fixedly connected with linkage plate 15, linkage plate 15 is of L-shaped structure, the lower end of linkage plate 15 is fixedly connected with compression plate 10, the upper end of sliding sleeve 14 and the inner wall of detection cylinder 4 are fixedly connected with return spring 16, when control ring 5 is loosened, sliding sleeve 14 will be reset by return spring 16, return spring 16 resets compression plate through linkage plate 15, and the next detection is convenient.
[0019] When detecting the gas, the control ring 5 is controlled to move downwards, the control ring 5 extrudes the moving plate 8 and pushes the moving plate 8 to move, the moving plate 8 lifts the compression plate 10 through the guidance of the guide block 12, so that the gas in the detection cylinder 4 is compressed, the concentration of the gas per unit volume is increased, the gas content can be detected without a high-precision detection probe 7, and after the detection is completed, the control ring 5 is only loosened, and the compression plate 10 is automatically reset by the reset spring 16.
[0020] Although the embodiments of the utility model have been shown and described, it needs to emphasize: the above description is only the introduction and description of the use mode of the embodiments of the utility model, is not any form to the utility model makes the restriction. For the ordinary skilled in the art, it can be understood that these embodiments can be changed, modified, replaced and changed in many ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A portable four-in-one gas detector comprising a detector main body (1), characterized in that: The right side of the detector main body (1) is provided with an alarm lamp (2), the lower end of the detector main body (1) is fixedly connected with a fixed plate (3), the lower end of the fixed plate (3) is fixedly connected with four detection barrels (4), the inner wall of the detection barrel (4) is fixedly connected with a detection probe (7) for detecting gas composition; The inside of the detection barrel (4) is fixedly connected with a sealing column (13), the inner wall of the detection barrel (4) is slidably connected with a compression plate (10), the compression plate (10) and the sealing column (13) are matched with each other for compressing the gas in the detection barrel (4); The side wall of the detection barrel (4) is inserted with a moving plate (8) for controlling the up-down movement of the compression plate (10), the outer side wall of the detection barrel (4) is sleeved with a control ring (5) for controlling the horizontal movement of the moving plate (8); The middle of the compression plate (10) is fixedly connected with a sealing rubber ring (11), the middle of the sealing column (13) is sleeved with a sliding sleeve (14), the sliding sleeve (14) is used for controlling the repeated movement of the compression plate (10) and compressing and releasing the gas.
2. The portable four-in-one gas detector of claim 1, wherein: The inner wall of the control ring (5) is inclined, and the adjacent two control rings (5) are fixedly connected with a connecting plate (6).
3. The portable four-in-one gas detector of claim 1, wherein: The lower end of the compression plate (10) is fixedly connected with a guide block (12), the side wall of the guide block (12) is inclined, and the moving plate (8) is located between the guide block (12) and the inner wall of the control ring (5).
4. The portable four-in-one gas detector of claim 1, wherein: Both ends of the moving plate (8) penetrate through the detection barrel (4), and both ends of the moving plate (8) are rotatably connected with auxiliary wheels (9).
5. The portable four-in-one gas detector of claim 1, wherein: The axis of the sealing column (13) and the axis of the sealing rubber ring (11) are on the same straight line, the lower end of the sealing column (13) is a conical structure, and the inner hole diameter of the sealing rubber ring (11) is smaller than the upper end diameter of the sealing column (13).
6. The portable four-in-one gas detector of claim 1, wherein: The side end of the sliding sleeve (14) is fixedly connected with a linkage plate (15), the linkage plate (15) is an L-shaped structure, the lower end of the linkage plate (15) is fixedly connected with the compression plate (10), and the upper end of the sliding sleeve (14) and the inner wall of the detection barrel (4) are fixedly connected with a return spring (16).