Oxygen detection sensor capable of being quickly and hermetically mounted

Abstract

The utility model discloses a fast sealed installation oxygen detection sensor, which comprises an oxygen detection sensor, the side end of the oxygen detection sensor is fixedly provided with an alignment device, and the side end of the alignment device away from the alignment device is slidably sleeved with a butt joint device. Limiting devices are slidably mounted at the top ends of the alignment device and the butt joint device, the alignment device comprises limiting vertical rods and a first connecting pipe, the limiting vertical rods are symmetrically and fixedly mounted at the top end and the bottom end of the first connecting pipe, and the butt joint device comprises a second connecting pipe and a sealing ring; the sealing ring is fixedly installed at one end of the second connecting pipe, and the limiting device comprises a first hoop sleeve, an alignment sleeve plate, a second hoop sleeve, a top plate, an L-shaped clamping key, a guide key, a reset spring and a supporting cavity. According to the utility model, through the arrangement of the aligning device, the aligning device and the limiting device, the purpose of quickly installing and sealing the oxygen sensor is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to an oxygen detection sensor which can be quickly sealed and installed. Background Art

[0002] An oxygen sensor is an electronic device whose main function is to measure the oxygen concentration transmitted inside a pipeline. Oxygen sensors can be used in the fields of automobiles or chemical research.

[0003] For example, an oxygen sensor with a Chinese patent publication number of CN203595682U mainly consists of two parts: an oxygen concentration sensitive element and a signal processing unit; the oxygen concentration sensitive element adopts an electrochemical polarographic diaphragm oxygen electrode, which can convert the oxygen percentage in the gas into a weak electrical signal proportional to the measured oxygen concentration; the signal processing unit selects and amplifies the weak electrical signal output by the oxygen electrode and sends it to the analog-to-digital converter, which is sampled and processed by the single-chip microcomputer and then sent to the display circuit and the output circuit, and the percentage of the measured oxygen is displayed by the digital tube.

[0004] The oxygen sensor in the above patent can only achieve the purpose of impact resistance when in use, while the existing oxygen sensor needs to be wrapped with a sealing tape between the sensor and the external air pipe to prevent leakage during installation, and the sealing tape needs to be wrapped around multiple times to form a seal, which makes it take a lot of time to install the oxygen sensor. Therefore, a device is needed to solve and improve the above problem. Utility Model Content

[0005] The utility model aims to provide an oxygen detection sensor which can be quickly sealed and installed, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-seal installed oxygen detection sensor, comprising an oxygen detection sensor, a positioning device fixedly installed on the side end of the oxygen detection sensor, a side end of the positioning device away from the positioning device is slidably sleeved with a docking device, a limiting device is slidably installed on the top of the positioning device and the docking device, the positioning device comprises a limiting vertical rod and a first connecting pipe, the limiting vertical rod is symmetrically fixedly installed at the top and bottom ends of the first connecting pipe, the docking device comprises a second connecting pipe and a sealing ring, and the sealing ring is fixedly installed on one end of the second connecting pipe.

[0007] Preferably, the limiting device includes a first hoop, an alignment sleeve, a second hoop, a top plate, an L-shaped key, a guide key, a reset spring and a supporting cavity. The alignment sleeve is symmetrically fixedly mounted on both sides of the first hoop and the second hoop, the top plate is fixedly mounted on the bottom of both ends of the first hoop, the supporting cavity is fixedly mounted on the top of both ends of the second hoop, the reset spring is symmetrically fixedly mounted inside the supporting cavity, the guide key passes through the supporting cavity and is connected to the reset spring, and the L-shaped key is fixedly mounted on the end of the guide key away from the reset spring.

[0008] Preferably, the alignment sleeve is slidably sleeved on the limiting vertical rod, and the first connecting pipe is slidably sleeved on the outer ring of the second connecting pipe.

[0009] Preferably, the first hoop and the second hoop are slidably sleeved between the second connecting pipe and the first connecting pipe.

[0010] Preferably, an alignment hole is provided at the center of the side end of the top plate away from the first hoop.

[0011] Preferably, a circular hole is provided inside the alignment sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] When the device is in use, the alignment device and the docking device are quickly aligned and installed, so that the alignment device is inserted into the interior of the docking device. At the same time, when the first hoop and the second hoop are respectively fitted with the second connecting pipe and the first connecting pipe, the alignment sleeve can be driven to be sleeved on the limiting vertical rod, so that the first connecting pipe and the second connecting pipe can be restricted, and the first hoop and the second hoop can be inserted into the interior of the top plate through the L-shaped card key to limit the first hoop and the second hoop, so that the first hoop and the second hoop can be prevented from falling off, thereby completing the work of quickly installing and sealing the first connecting pipe and the second connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the alignment device of the utility model;

[0016] Figure 3 This is a schematic diagram of the docking device structure of the utility model;

[0017] Figure 4 It is a partial cutaway schematic diagram of the restriction device of the utility model;

[0018] Figure 5 For this utility model Figure 4 A partial enlarged schematic diagram in the middle.

[0019] In the figure: 1-alignment device, 2-docking device, 3-limiting device, 4-oxygen detection sensor, 5-limiting vertical rod, 6-first connecting pipe, 7-second connecting pipe, 8-sealing ring, 9-first hoop, 10-alignment sleeve, 11-second hoop, 12-top plate, 13-L-type key, 14-guide key, 15-reset spring, 16-support cavity. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5 The utility model provides an embodiment: a quick-seal installed oxygen detection sensor, comprising an oxygen detection sensor 4, a positioning device 1 is fixedly installed on the side end of the oxygen detection sensor 4, a side end of the positioning device 1 away from the positioning device 1 is slidably sleeved with a docking device 2, and the top ends of the positioning device 1 and the docking device 2 are slidably installed with a limiting device 3, the positioning device 1 comprises a limiting vertical rod 5 and a first connecting pipe 6, the limiting vertical rod 5 is symmetrically fixedly installed at the top and bottom ends of the first connecting pipe 6, the docking device 2 comprises a second connecting pipe 7 and a sealing ring 8, and the sealing ring 8 is fixedly installed on one end of the second connecting pipe 7.

[0022] The limiting device 3 includes a first hoop 9, an alignment sleeve 10, a second hoop 11, a top plate 12, an L-shaped key 13, a guide key 14, a reset spring 15 and a support cavity 16. The alignment sleeve 10 is symmetrically fixedly installed on both sides of the first hoop 9 and the second hoop 11, the top plate 12 is fixedly installed at the bottom of both ends of the first hoop 9, the support cavity 16 is fixedly installed at the top of both ends of the second hoop 11, the reset spring 15 is symmetrically fixedly installed inside the support cavity 16, the guide key 14 passes through the support cavity 16 and is connected to the reset spring 15, the L-shaped key 13 is fixedly installed on the end of the guide key 14 away from the reset spring 15, and is arranged in a hollow state through the interior of the support cavity 16, so that the guide key 14 can be allowed to slide inside the support cavity 16.

[0023] The alignment sleeve 10 is slidably sleeved on the limiting vertical rod 5 , and the first connecting tube 6 is slidably sleeved on the outer ring of the second connecting tube 7 , so as to facilitate the alignment of the first connecting tube 6 and the second connecting tube 7 .

[0024] The first hoop 9 and the second hoop 11 are slidably sleeved between the second connecting pipe 7 and the first connecting pipe 6 , so as to provide protection at the junction of the first connecting pipe 6 and the second connecting pipe 7 .

[0025] A positioning insertion hole is provided at the center of the side end of the top plate 12 away from the first hoop 9 to facilitate the L-shaped key 13 to be inserted into the interior of the top plate 12 .

[0026] A circular hole is provided inside the alignment sleeve 10 to facilitate the alignment sleeve 10 to be slidably sleeved on the limiting vertical rod 5 .

[0027] Working principle: When in use, first connect the second connecting tube 7 to the external oxygen valve, then move the oxygen detection sensor 4 closer to the second connecting tube 7 as a whole, until the first connecting tube 6 is slidably sleeved on the second connecting tube 7, so that the first connecting tube 6 and the second connecting tube 7 can be connected. After that, the oxygen detection sensor 4 can be continuously squeezed in the direction of the second connecting tube 7 until the sealing ring 8 fits tightly with the inner wall of the first connecting tube 6, so that the first line of protection can be established between the first connecting tube 6 and the second connecting tube 7. At the same time, when the sealing ring 8 fits tightly with the inner wall of the first connecting tube 6, the oxygen detection sensor 4 can be first pressed against the second connecting tube 7. The L-shaped card key 13 is pulled outward so that the L-shaped card key 13 can be misaligned with the end of the top plate 12 away from the sealing ring 8, and then the alignment sleeve 10 is slidably sleeved on the limiting vertical rod 5 on the second connecting tube 7 and the first connecting tube 6, respectively, so that the first connecting tube 6 and the second connecting tube 7 can be prevented from falling off. At the same time, rubber rings are fixedly installed on the inner rings of the first hoop 9 and the second hoop 11, so that when the first hoop 9 and the second hoop 11 are fitted with the first connecting tube 6 and the second connecting tube 7, the rubber rings can be driven to fit with the first connecting tube 6 and the second connecting tube 7, so that the first connecting tube 6 can be A second line of protection is established between the top plate 12 and the second connecting pipe 7. Afterwards, when the L-shaped key 13 is aligned with the alignment socket on the side end of the top plate 12 away from the first hoop 9, the L-shaped key 13 can be released. At this time, the elasticity of the reset spring 15 will drive the L-shaped key 13 to quickly reset until the L-shaped key 13 is inserted into the alignment socket inside the top plate 12, so that the top plate 12 and the support cavity 16 can be connected together, and the guide key 14 slides inside the support cavity 16, so that the L-shaped key 13 can be ensured to move in a straight line, improving the docking accuracy of the L-shaped key 13 and the alignment socket inside the top plate 12 Accuracy is achieved by completing the alignment installation of the first hoop 9 and the second hoop 11. When the plate device is in use, the sealing ring 8 is tightly fitted with the inner wall of the first connecting tube 6, so that air leakage between the first connecting tube 6 and the second connecting tube 7 can be prevented. At the same time, the first hoop 9 and the second hoop 11 are installed on the outer rings of the first connecting tube 6 and the second connecting tube 7, so that the junction of the first connecting tube 6 and the second connecting tube 7 can be protected, thereby improving the anti-leakage level between the first connecting tube 6 and the second connecting tube 7, and completing the quick installation and sealing of the first connecting tube 6 and the second connecting tube 7.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fast sealed oxygen detection sensor, comprising an oxygen detection sensor (4), a positioning device (1) fixedly mounted on the side end of the oxygen detection sensor (4), a side end of the positioning device (1) away from the positioning device (1) being slidably sleeved with a docking device (2), and a limiting device (3) being slidably mounted on the top ends of the positioning device (1) and the docking device (2), characterized in that: The alignment device (1) comprises a limiting vertical rod (5) and a first connecting tube (6), wherein the limiting vertical rod (5) is symmetrically fixedly mounted at the top and bottom ends of the first connecting tube (6), and the docking device (2) comprises a second connecting tube (7) and a sealing ring (8), wherein the sealing ring (8) is fixedly mounted on one end of the second connecting tube (7).

2. The oxygen detection sensor for rapid sealing installation according to claim 1, characterized in that: The limiting device (3) comprises a first hoop (9), an alignment sleeve (10), a second hoop (11), a top plate (12), an L-shaped key (13), a guide key (14), a reset spring (15) and a support cavity (16); the alignment sleeve (10) is symmetrically fixedly mounted on both sides of the first hoop (9) and the second hoop (11); the top plate (12) is fixedly mounted on the bottom of both ends of the first hoop (9); the support cavity (16) is fixedly mounted on the top of both ends of the second hoop (11); the reset spring (15) is symmetrically fixedly mounted inside the support cavity (16); the guide key (14) passes through the support cavity (16) and is connected to the reset spring (15); and the L-shaped key (13) is fixedly mounted on the end of the guide key (14) away from the reset spring (15).

3. The oxygen detection sensor for rapid sealing installation according to claim 2, characterized in that: The alignment sleeve (10) is slidably sleeved on the limiting vertical rod (5), and the first connecting pipe (6) is slidably sleeved on the outer ring of the second connecting pipe (7).

4. The oxygen detection sensor for rapid sealing installation according to claim 3, characterized in that: The first hoop (9) and the second hoop (11) are slidably sleeved between the second connecting pipe (7) and the first connecting pipe (6).

5. The oxygen detection sensor for rapid sealing installation according to claim 4, characterized in that: The top plate (12) is provided with an alignment insertion hole at the center of the side end away from the first hoop (9).

6. The oxygen detection sensor for rapid sealing installation according to claim 5, characterized in that: A circular hole is provided inside the alignment sleeve plate (10).

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