Telescopic detection structure of portable oxygen detector

Abstract

The utility model relates to the technical field of oxygen detectors, in particular to a telescopic detection structure of a portable oxygen detector, which comprises a circular seat, two inner rods are fixedly connected to the upper side of the circular seat, sleeves are in sliding fit with the outer sides of the inner rods, and a detection shell is in sliding fit with the two sleeves. And the inner wall of the detection shell is fixedly connected with a sucking pump. According to the utility model, components such as the hand-screwing nuts, the inner rod, the sleeve, the detection shell and the screw rod are arranged, the corresponding hand-screwing nuts can be rotated to move on the screw rod and be separated from the sleeve, so that the inner rod is pulled out of the sleeve, and then the hand-screwing bolts are rotated to be separated from the sleeve, so that the sleeve can be pulled out from the interior of the detection shell; therefore, long-distance and high-altitude detection can be easily realized, an operator can finish the detection work by standing at a relatively safe position, and the personal safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of oxygen detectors, in particular to a telescopic detection structure of a portable oxygen detector. BACKGROUND

[0002] The portable oxygen detector is a small-sized and movable professional instrument device for detecting the oxygen content in the environment. Most portable oxygen detectors adopt an electrochemical principle, have a special electrochemical sensor inside, oxygen molecules will undergo an oxidation-reduction reaction on the electrode surface of the sensor, an electric current is generated in the process, and the size of the electric current is directly proportional to the concentration of oxygen, so that the actual concentration of oxygen can be calculated by detecting the size of the electric current. The detector comprises a sensor module, a display module, a shell, a power module and the like. The key part of the detector is responsible for sensing the presence of oxygen and converting it into a measurable signal. Different principles of sensors have their own structural characteristics, and their performance directly affects the detection accuracy and stability of the detector.

[0003] Through retrieval, a kind of online oxygen detector is disclosed in Chinese patent application No. CN202123227574.7, which comprises a body, the inside of the body is fixedly connected with suction pump, the air outlet of the suction pump extends to the outside of the body, the bottom end of the suction pump is fixedly connected with oxygen sensor, the side wall of the oxygen sensor is fixedly connected with support, the side wall of the support is fixedly connected to the inner wall of the body, the bottom end of the body is provided with air inlet, the inner wall of the air inlet is fixedly connected with filter screen, the bottom end inner wall of the body at air inlet is provided with cleaning mechanism. The utility model can clean the dust at the air inlet of oxygen detector in time, prevent dust from being blocked at the air inlet of oxygen detector, and affect detection quality.

[0004] For the related technology in the above, the inventors found that the following defects exist: when using, when in industrial plants, warehouses, laboratories and other places, the distribution of oxygen may be different due to different heights or in some narrow and deep spaces, such as ventilation ducts, underground tunnels and other places, when detecting the oxygen concentration at high places or far places, the operator may need to climb with the help of ladders, climbing equipment, or enter some dangerous areas of pipes, underground tunnels to use the detector, which may have safety hazards, causing inconvenience during detection. UTILITY MODEL CONTENT

[0005] In order to solve the problems mentioned in the background art, the application provides a telescopic detection structure of a portable oxygen detector.

[0006] The utility model provides a portable oxygen detector's telescopic detection structure adopts the technical scheme as follows: including circular seat, the upper side fixedly connected with two inner rods of circular seat, the outside of inner rod is slidably connected with sleeve, the upper slide of two sleeves is connected with detection shell, the inner wall of detection shell is fixedly connected with suction pump, the output of suction pump is provided with oxygen sensor, the upper side of detection shell is rotatably connected with suction head,

[0007] The side of sleeve is provided with movable mouth, the inner wall of movable mouth is slidably connected with the screw rod fixedly connected on the inner rod, the screw rod is threadedly connected with the hand nut abutting against sleeve, the detection shell is provided with two limiting components matched with sleeve.

[0008] Optionally, the limiting component includes two U-shaped blocks fixedly connected to the detection shell, a threaded hole formed in one side of the inner wall of the U-shaped block, and a hand bolt threadedly connected to the inner wall of the threaded hole, one end of the hand bolt abutting against the sleeve.

[0009] Optionally, the inner wall of the detection shell is fixedly connected with a support ring, and the support ring has a filter screen placed on the upper side thereof, and the upper side of the filter screen is in contact with the lower side of the suction head.

[0010] Optionally, the lower side of the circular seat is provided with a carrying handle, and the carrying handle is provided with a soft pad.

[0011] Optionally, the upper side of the inner wall of the suction head is provided with a sealing plug, and the sealing plug is fixedly connected with an anti-skid ring.

[0012] Optionally, the two sleeves are fixedly connected with limiting blocks, and the limiting blocks and the U-shaped blocks are matched.

[0013] Optionally, the lower side of the circular seat is fixedly connected with a display, and the display is matched with the oxygen sensor and the suction pump.

[0014] In summary, the utility model includes the following beneficial technical effects:

[0015] 1. The utility model discloses a hand nut, inner rod, sleeve, detection shell, screw rod and other components, which can be separated from the sleeve by rotating the corresponding hand nut on the screw rod, so that the inner rod is pulled out of the sleeve, and then the sleeve is pulled out of the detection shell by rotating the hand bolt and separating from the sleeve, so that the detection shell is lifted, and remote and high-altitude detection is easily realized, and the operator can complete the detection work in a relatively safe position, ensuring personal safety.

[0016] 2. The utility model discloses a detection shell, suction head, support ring, filter screen and other components are arranged, when the filter screen needs to be cleaned, the filter screen can be separated from the circular seat through rotating the suction head, the filter screen can be separated from the support ring, and the filter screen can be quickly washed, and the convenience of subsequent maintenance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the whole structure schematic diagram in the embodiment of the application;

[0018] Figure 2 is the structure schematic diagram of the unfolded three-dimensional in the embodiment of the application;

[0019] Figure 3 is the structure schematic diagram of the embodiment of the application Figure 2 the structure schematic diagram of the enlarged A in the middle place;

[0020] Figure 4 is the structure schematic diagram of the detection shell three-dimensional section in the embodiment of the application;

[0021] Figure 5 is the structure schematic diagram of the restriction component three-dimensional in the embodiment of the application.

[0022] Reference signs: 1, circular seat;2, inner rod;3, sleeve;4, detection shell;5, suction pump;6, oxygen sensor;7, suction head;8, movable port;9, screw;10, hand screw nut;11, restriction component;111, U-shaped block;112, threaded port;113, hand bolt;12, support ring;13, filter screen;14, carrying handle;15, soft pad;16, sealing plug;17, anti-skid ring;18, limiting block;19, display. DETAILED DESCRIPTION

[0023] The application will be further described in detail below with reference to the accompanying drawings. Figure 1 -5.

[0024] The embodiment of the application discloses a telescopic detection structure of a portable oxygen detector. Figures 1-5 As shown in the figure, the telescopic detection structure of the portable oxygen detector comprises a circular seat 1, two inner rods 2 are fixedly connected to the upper side of the circular seat 1, the inner rods 2 can be made of metal material and have certain bearing strength, sleeve 3 is slidably connected to the outer side of the inner rods 2, and the upper sides of the two sleeve 3 are slidably connected to a detection shell 4.

[0025] Please refer to Figure 4The lower side of the circular seat 1 is fixedly connected with a display 19, the display 19 cooperates with the oxygen sensor 6 and the air suction pump 5, the display 19 is connected with the air suction pump 5 through a power supply and a wireless signal, the air suction pump 5 and the oxygen sensor 6 have a separate power supply, the oxygen sensor 6 transmits the detection result to the display 19 for display after processing.

[0026] Please refer to Figure 4 The inner wall of the detection shell 4 is fixedly connected with a supporting ring 12, the upper side of the supporting ring 12 is placed with a filter screen 13, the upper side of the filter screen 13 is in contact with the lower side of the air suction head 7, the filter screen 13 is located on the supporting ring 12, and the lower end of the air suction head 7 is pressed against the filter screen 13 after being connected, so that the filter screen 13 filters the flowing air.

[0027] Please refer to Figure 4 The lower side of the circular seat 1 is provided with a carrying handle 14, the carrying handle 14 is provided with a soft pad 15, the carrying handle 14 facilitates personnel to find a force point when carrying the equipment, and the soft pad 15 increases the comfort when holding the carrying handle 14.

[0028] The inner wall of the detection shell 4 is fixedly connected with an air suction pump 5, the output end of the air suction pump 5 is provided with an oxygen sensor 6, and the upper side of the detection shell 4 is rotatably connected with an air suction head 7.

[0029] Please refer to Figure 4 The upper side of the inner wall of the air suction head 7 is provided with a sealing plug 16, the sealing plug 16 is fixedly connected with an anti-skid ring 17, and the sealing plug 16 is located at the upper end of the air suction head 7 and can be sealed when not in use, and the anti-skid ring 17 can increase the friction force when the sealing plug 16 is operated.

[0030] One side of the sleeve 3 is provided with a movable opening 8, the inner rod 2 is fixedly connected with a lead screw 9 which is slidably connected to the inner wall of the movable opening 8, the lead screw 9 is threadedly connected with a hand nut 10 which abuts against the sleeve 3, and the detection shell 4 is provided with two limiting assemblies 11 which cooperate with the sleeve 3.

[0031] Please refer to Figure 2 The two sleeves 3 are fixedly connected with limiting blocks 18, the two limiting blocks 18 cooperate with the U-shaped block 111, when the sleeve 3 is pulled, the limiting block 18 will be pressed between the U-shaped block 111 when pulled to the lowermost side, so that the sleeve 3 is prevented from being separated from the detection shell 4.

[0032] Please refer to Figure 5The limiting assembly 11 comprises two U-shaped blocks 111 fixedly connected to the detection shell 4, threaded holes 112 formed in one side of the inner wall of the U-shaped blocks 111, and hand screws 113 threadedly fitted in the inner wall of the threaded holes 112. One end of the hand screws 113 abuts against the sleeve 3. The sleeve 3 is fixed by the hand screws 113. When the sleeve 3 needs to be moved, the sleeve 3 can be separated from the hand screws 113 to realize sliding.

[0033] The implementation principle of the telescopic detection structure of the portable oxygen detector is as follows: when in use, the air is pumped by the air pump 5, the gas passes through the oxygen sensor 6, the oxygen sensor 6 detects the oxygen, and the result is transmitted to the display 19 for display. The display 19, the air pump 5 and the oxygen sensor 6 are connected by WIFF signals, and the display 19 has a separate power supply.

[0034] When detecting in high places or pipes, the corresponding hand nuts 10 are rotated to move on the lead screws 9, the sleeve 3 is separated, the inner rod 2 is pulled out of the sleeve 3, the hand screws 113 are separated from the sleeve 3, the sleeve 3 is pulled out of the inside of the detection shell 4, the detection shell 4 is lifted, and the detection shell 4 is easily lifted to realize long-distance and high-altitude detection. The operator can complete the detection work in a relatively safe position, and the personal safety is ensured.

[0035] When the filter screen 13 needs to be cleaned, the air pump head 7 is directly rotated to separate from the circular seat 1, the filter screen 13 can be directly separated from the supporting ring 12, the filter screen 13 can be quickly disassembled for washing, and the filter screen 13 can be used for daily maintenance to improve the convenience of subsequent maintenance.

[0036] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A telescopic detection structure for a portable oxygen detector, comprising a circular base (1), characterized in that: Two inner rods (2) are fixedly connected to the upper side of the circular seat (1). A sleeve (3) is slidably fitted on the outer side of the inner rod (2). A detection shell (4) is slidably fitted on the upper side of the two sleeves (3). A vacuum pump (5) is fixedly connected to the inner wall of the detection shell (4). An oxygen sensor (6) is provided at the output end of the vacuum pump (5). A vacuum head (7) is rotatably fitted on the upper side of the detection shell (4). A movable opening (8) is provided on one side of the sleeve (3). A screw (9) that slides on the inner wall of the movable opening (8) is fixedly connected to the inner rod (2). A hand-tightening nut (10) that abuts against the sleeve (3) is threaded on the screw (9). Two limiting components (11) that cooperate with the sleeve (3) are provided on the detection shell (4).

2. The telescopic detection structure of a portable oxygen detector according to claim 1, characterized in that: The limiting component (11) includes two U-shaped blocks (111) fixedly connected to the detection shell (4), a threaded opening (112) opened on one side of the inner wall of the U-shaped block (111), and a hand-tightening bolt (113) threaded into the inner wall of the threaded opening (112), with one end of the hand-tightening bolt (113) abutting against the sleeve (3).

3. The telescopic detection structure of a portable oxygen detector according to claim 1, characterized in that: The inner wall of the detection shell (4) is fixedly connected to a support ring (12), and a filter screen (13) is placed on the upper side of the support ring (12). The upper side of the filter screen (13) is in contact with the lower side of the suction head (7).

4. The telescopic detection structure of a portable oxygen detector according to claim 1, characterized in that: A carrying handle (14) is provided on the lower side of the circular base (1), and a soft pad (15) is provided on the carrying handle (14).

5. The telescopic detection structure of a portable oxygen detector according to claim 1, characterized in that: A sealing plug (16) is provided on the upper side of the inner wall of the air extraction head (7), and an anti-slip ring (17) is fixedly connected to the sealing plug (16).

6. The telescopic detection structure of a portable oxygen detector according to claim 2, characterized in that: Limiting blocks (18) are fixedly connected to both sleeves (3), and the two limiting blocks (18) and the U-shaped block (111) cooperate with each other.

7. The telescopic detection structure of a portable oxygen detector according to claim 1, characterized in that: The lower side of the circular base (1) is fixedly connected to a display (19), which cooperates with the oxygen sensor (6) and the air pump (5).

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