Gas sensor device easy to replace

Abstract

The utility model discloses a gas sensor device easy to replace, which comprises a shell, a sensor body and a mounting mechanism, the sensor body is mounted in the shell, a probe is fixedly mounted at the top of the sensor body, a mounting plate is mounted at the top of the sensor body, and a base plate is fixed at the top of the mounting plate. The extrusion mechanisms are arranged on the left side and the rear side of the inner wall of the shell, the first installation grooves are formed in the inner wall of the shell, the extrusion blocks are installed on the inner walls of the first installation grooves in a sliding mode, and the limiting blocks are inserted into the first installation grooves. The extrusion mechanism can be extruded after the sensor body is inserted into the shell, the extrusion mechanism can conveniently drive the mounting mechanism to move, the sensor body can be conveniently limited by the mounting mechanism, the sensor body can be conveniently mounted, and a user can move the extrusion mechanism after moving the extrusion mechanism, so that the sensor body can be conveniently mounted. And processing the sensor body for disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sensors, in particular to a gas sensor device which is easy to replace. Background Art

[0002] A gas sensor is a converter that converts the volume fraction of a certain gas into a corresponding electrical signal. The detection head conditions the gas sample through the gas sensor, usually including filtering out impurities and interfering gases, drying or refrigerating the instrument display part. A gas sensor is a device that converts information such as the composition and concentration of a gas into information that can be used by personnel, instruments, computers, etc. Gas sensors are generally classified as a type of chemical sensor, although this classification is not necessarily scientific.

[0003] Existing gas sensors are usually installed by welding or other methods, which makes it inconvenient to disassemble the sensor. When the sensor needs to be inspected and replaced, a lot of time is wasted due to the difficulty in disassembly. Utility Model Content

[0004] The purpose of the utility model is to provide a gas sensor device that is easy to replace, so as to solve the problems raised in the above background technology.

[0005] The utility model is achieved in this way:

[0006] The utility model provides an easily replaceable gas sensor device, comprising a housing and a sensor body, wherein the sensor body is installed inside the housing, a probe is fixedly installed on the top of the sensor body, a mounting plate is installed on the top of the sensor body, a pad is fixed on the top of the mounting plate, and a squeezing mechanism is arranged on the left side and the rear side of the inner wall of the housing;

[0007] A mounting mechanism, the mounting mechanism comprising:

[0008] A first mounting groove, wherein two groups of the first mounting grooves are provided, and the first mounting grooves are respectively opened on the inner wall of the housing;

[0009] An extrusion block, wherein the extrusion block is slidably mounted on the inner wall of the first mounting groove;

[0010] A limit block is inserted into the first installation groove.

[0011] In a preferred embodiment, the extrusion mechanism includes a second mounting groove, and the second mounting groove is provided in two groups. The second mounting groove is respectively opened on the left and right sides of the inner wall of the shell, and a movable plate is slidably installed on the inner wall of the second mounting groove. The movable plate is located at the bottom of the mounting plate, and a gas delivery component is installed on the inner wall of the second mounting groove.

[0012] In a preferred embodiment, the gas delivery assembly includes a mounting cylinder, which is fixedly mounted on the inner wall of the second mounting groove, and a piston rod is fixedly mounted on the bottom of the movable plate, and the piston rod passes through the interior of the mounting cylinder. The inner wall of the mounting cylinder is connected to a connecting pipe, and the end of the connecting pipe away from the mounting cylinder passes through the interior of the first mounting groove.

[0013] In a preferred solution, a support frame is fixedly mounted on the inner wall of the shell, a support pad is fixedly mounted on the top of the support frame, and a filter screen is mounted on the bottom of the inner wall of the shell.

[0014] In a preferred solution, a support plate is fixedly mounted on the inner wall of the first mounting groove, and the support plate is located at the bottom of the extrusion block.

[0015] In a preferred solution, a sealing plate is inserted into the interior of the housing, a sealing ring is inlaid on the top of the sealing plate, and the sealing ring is sleeved on the surface of the probe.

[0016] In a preferred solution, a fixing cylinder is threadedly mounted on the inner wall of the housing, and the bottom of the fixing cylinder is in contact with the top of the sealing plate.

[0017] In a preferred solution, fixing blocks are fixedly mounted on the front side and the rear side of the top of the pad, and the fixing blocks are located at the bottom of the limiting block.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the gas sensor device is easy to replace.

[0019] 1. By providing an extrusion mechanism and an installation mechanism, the extrusion mechanism can be extruded after the sensor body is inserted into the housing, so that the extrusion mechanism drives the installation mechanism to move, thereby facilitating the installation mechanism to limit the sensor body, thereby facilitating the installation of the sensor body, and the user can disassemble the sensor body by moving the extrusion mechanism and processing the sensor body.

[0020] 2. By providing a sealing plate, a sealing ring and a mounting tube, when the sealing plate is installed in the housing, the probe can pass through the sealing ring so that the sealing ring fits tightly against the surface of the probe, thereby sealing the sensor body. The user can install the mounting tube so that the mounting tube squeezes the sealing plate, thereby facilitating the limiting of the sealing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional cross-sectional structure of the shell of the utility model;

[0023] Figure 3 This is a schematic diagram of the main cross-sectional structure of the housing of the utility model;

[0024] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the shell of the utility model.

[0025] In the figure: 1. housing; 2. sensor body; 3. probe; 4. mounting plate; 5. pad; 6. extrusion mechanism; 61. second mounting groove; 62. movable plate; 63. gas transmission assembly; 631. mounting cylinder; 632. piston rod; 633. connecting pipe; 7. mounting mechanism; 71. first mounting groove; 72. extrusion block; 73. limit block; 8. support frame; 9. support pad; 10. filter screen; 11. support plate; 12. sealing plate; 13. sealing ring; 14. fixing cylinder; 15. fixing block. DETAILED DESCRIPTION

[0026] 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.

[0027] Reference Figure 1-Figure 4 The utility model provides a technical solution: a gas sensor device that is easy to replace, comprising a shell 1, a sensor body 2 and a mounting mechanism 7, the sensor body 2 is mounted inside the shell 1, a probe 3 is fixedly mounted on the top of the sensor body 2, a mounting plate 4 is mounted on the top of the sensor body 2, a pad 5 is fixed on the top of the mounting plate 4, and a squeezing mechanism 6 is arranged on the left and rear sides of the inner wall of the shell 1, so that after the mounting plate 4 and the pad 5 are mounted on the sensor body 2, it is convenient to insert the sensor body 2 into the shell 1, so that the mounting plate 4 squeezes the squeezing mechanism 6, so that the air in the squeezing mechanism 6 is transported to the mounting mechanism 7, so that the mounting mechanism 7 squeezes the pad 5 and the mounting plate 4, and then the sensor body 2 can be limited, the sensor body 2 can be installed, and the user can move the mounting mechanism 7 to separate the mounting mechanism 7 from the pad 5 after moving, so that the user can disassemble the sensor body 2.

[0028] Reference Figure 1-Figure 4In a preferred embodiment, a mounting mechanism 7 is provided, the mounting mechanism 7 includes a first mounting groove 71, an extrusion block 72 and a limit block 73. Two groups of first mounting grooves 71 are provided, and the first mounting grooves 71 are respectively opened on the inner wall of the shell 1. The extrusion block 72 is slidably installed on the inner wall of the first mounting groove 71. The limit block 73 is inserted into the inside of the first mounting groove 71, so that the extrusion block 72 and the limit block 73 can be installed after the first mounting groove 71 is opened, so that the extrusion block 72 can squeeze the limit block 73 when it moves upward, so as to limit the mounting plate 4 and the pad 5 after the limit block 73 moves, so that the user can install the sensor body 2 conveniently.

[0029] At the same time, the extrusion mechanism 6 includes a second mounting groove 61, and the second mounting groove 61 is provided with two groups. The second mounting groove 61 is respectively opened on the left and right sides of the inner wall of the shell 1. The inner wall of the second mounting groove 61 is slidably installed with a movable plate 62, and the movable plate 62 is located at the bottom of the mounting plate 4. The inner wall of the second mounting groove 61 is installed with a gas delivery component 63, which can enable the movable plate 62 to be installed after the second mounting groove 61 is opened, and the gas delivery component 63 includes a mounting cylinder 631, and the mounting cylinder 631 is fixedly installed on the inner wall of the second mounting groove 61. The bottom of the movable plate 62 is fixedly installed with a piston rod 632, and the piston rod 632 It penetrates into the interior of the mounting cylinder 631, and the inner wall of the mounting cylinder 631 is connected to a connecting pipe 633. The end of the connecting pipe 633 away from the mounting cylinder 631 penetrates into the interior of the first mounting groove 71, so that the mounting plate 4 can squeeze the movable plate 62 after moving downward, so that the movable plate 62 drives the piston rod 632 to move downward, squeezes the air inside the mounting cylinder 631, and transports the air in the mounting cylinder 631 to the first mounting groove 71 through the connecting pipe 633, so that the air can squeeze the extrusion block 72 to move upward, wherein the extrusion block 72 is hollow, which can reduce the weight of the extrusion block 72.

[0030] Reference Figure 1-Figure 4 In a preferred embodiment, a support frame 8 is fixedly installed on the inner wall of the shell 1, a support pad 9 is fixedly installed on the top of the support frame 8, and a filter screen 10 is installed on the bottom of the inner wall of the shell 1, so that the support frame 8 can be installed on the support pad 9 after installation, which is convenient for limiting the sensor body 2, and the filter screen 10 located at the bottom of the sensor body 2 can block impurities in the air, so that the sensor body 2 can detect the air, and a support plate 11 is fixedly installed on the inner wall of the first installation groove 71, and the support plate 11 is located at the bottom of the extrusion block 72, so that the support plate 11 can support the extrusion block 72, so as to facilitate pushing the extrusion block 72 upward and then pushing the limit block 73.

[0031] Reference Figure 1-Figure 4In a preferred embodiment, a sealing plate 12 is inserted into the interior of the shell 1, and a sealing ring 13 is inlaid on the top of the sealing plate 12. The sealing ring 13 is sleeved on the surface of the probe 3. A fixing cylinder 14 is threadedly installed on the inner wall of the shell 1, and the bottom of the fixing cylinder 14 contacts the top of the sealing plate 12, so that when the sealing plate 12 is installed in the shell 1, the probe 3 passes through the sealing ring 13, so that the sealing ring 13 and the surface of the probe 3 are tightly fitted, so that the sensor body 2 can be sealed, and the user can install the fixing cylinder 14 so that the fixing cylinder 14 squeezes the sealing plate 12, so as to facilitate the limiting of the sealing plate 12, and the front and rear sides of the top of the pad 5 are fixedly installed with fixing blocks 15, and the fixing blocks 15 are located at the bottom of the limiting block 73, so that the fixing blocks 15 can block the limiting block 73, so that the user can install the sensor body 2 on the support pad 9 and move the limiting block 73 to the top of the fixing block 15, so as to facilitate the limiting of the sensor body 2.

[0032] Specifically, the working process or working principle of the easily replaceable gas sensor device is as follows: when in use, the user inserts the sensor body 2 into the housing 1, so that the sensor body 2 drives the mounting plate 4 to squeeze the movable plate 62, and when the movable plate 62 moves, it drives the piston rod 632 to move downward, so that the piston rod 632 squeezes the air in the mounting cylinder 631, and can transport the air to the first mounting groove 71 through the connecting pipe 633, so that the air can squeeze the squeezing block 72, so that the squeezing block 72 can squeeze the limiting block 73, so that the limiting block 73 can move to the top of the pad 5, so that the limiting block 73 fits with the top of the fixed block 15, which is convenient for limiting the mounting plate 4 and the sensor body 2, and can install the sensor body 2, and then the user installs the sealing plate 12 and the sealing ring 13 to the housing. 1, can seal the installation position of the sensor body 2, then install the fixing cylinder 14 on the sealing plate 12, so that the installation cylinder 631 installs the sealing plate 12, when the sensor body 2 is disassembled, the sealing plate 12 is disassembled after the fixing cylinder 14, then the user squeezes the limit block 73, so that the limit block 73 pushes the extrusion block 72 to move, thereby moving the extrusion block 72 downward, squeezing the air in the first installation groove 71, so that the air is transported to the installation cylinder 631 through the connecting pipe 633, so that the piston rod 632 in the installation cylinder 631 drives the moving plate 62 to move upward, so that the moving plate 62 drives the sensor body 2 to move upward through the installation plate 4, which can facilitate the user to disassemble the sensor body 2, thereby facilitating the user to disassemble and replace the sensor body 2.

[0033] It should be noted that the sensor body 2 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principle are clear to those skilled in the art, so they are not described in detail.

Claims

1. An easily replaceable gas sensor device, comprising a housing (1) and a sensor body (2), characterized in that: The sensor body (2) is installed inside the housing (1), a probe (3) is fixedly installed on the top of the sensor body (2), a mounting plate (4) is installed on the top of the sensor body (2), a pad (5) is fixed on the top of the mounting plate (4), and a squeezing mechanism (6) is provided on the left side and the rear side of the inner wall of the housing (1); A mounting mechanism (7), wherein the mounting mechanism (7) comprises: First mounting grooves (71), wherein two groups of the first mounting grooves (71) are provided, and the first mounting grooves (71) are respectively opened on the inner wall of the outer shell (1); An extrusion block (72), wherein the extrusion block (72) is slidably mounted on the inner wall of the first mounting groove (71); A limit block (73), wherein the limit block (73) is inserted into the interior of the first installation groove (71).

2. An easily replaceable gas sensor device as claimed in claim 1, characterized in that: The extrusion mechanism (6) comprises a second mounting groove (61), wherein the second mounting groove (61) is provided in two groups, wherein the second mounting groove (61) is respectively opened on the left side and the right side of the inner wall of the housing (1), wherein a movable plate (62) is slidably mounted on the inner wall of the second mounting groove (61), wherein the movable plate (62) is located at the bottom of the mounting plate (4), and an air delivery assembly (63) is mounted on the inner wall of the second mounting groove (61).

3. An easily replaceable gas sensor device as claimed in claim 2, characterized in that: The gas delivery assembly (63) comprises a mounting cylinder (631), wherein the mounting cylinder (631) is fixedly mounted on the inner wall of the second mounting groove (61), a piston rod (632) is fixedly mounted on the bottom of the movable plate (62), and the piston rod (632) penetrates into the interior of the mounting cylinder (631), and a connecting pipe (633) is connected to the inner wall of the mounting cylinder (631), and an end of the connecting pipe (633) away from the mounting cylinder (631) penetrates into the interior of the first mounting groove (71).

4. The easily replaceable gas sensor device according to claim 1, characterized in that: A support frame (8) is fixedly mounted on the inner wall of the outer shell (1), a support pad (9) is fixedly mounted on the top of the support frame (8), and a filter screen (10) is mounted on the bottom of the inner wall of the outer shell (1).

5. The easily replaceable gas sensor device according to claim 1, characterized in that: A support plate (11) is fixedly mounted on the inner wall of the first mounting groove (71), and the support plate (11) is located at the bottom of the extrusion block (72).

6. The easily replaceable gas sensor device according to claim 1, characterized in that: A sealing plate (12) is inserted into the interior of the housing (1), a sealing ring (13) is inlaid on the top of the sealing plate (12), and the sealing ring (13) is sleeved on the surface of the probe (3).

7. An easily replaceable gas sensor device as claimed in claim 6, characterized in that: A fixing cylinder (14) is threadedly mounted on the inner wall of the housing (1), and the bottom of the fixing cylinder (14) is in contact with the top of the sealing plate (12).

8. The easily replaceable gas sensor device according to claim 1, characterized in that: A fixing block (15) is fixedly mounted on the front side and the rear side of the top of the pad (5), and the fixing block (15) is located at the bottom of the limiting block (73).

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