CN211374697U - Joint device for gas detector - Google Patents
Joint device for gas detector Download PDFInfo
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- CN211374697U CN211374697U CN202020065130.4U CN202020065130U CN211374697U CN 211374697 U CN211374697 U CN 211374697U CN 202020065130 U CN202020065130 U CN 202020065130U CN 211374697 U CN211374697 U CN 211374697U
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- filter screen
- protection main
- gas detector
- joint
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Abstract
The utility model discloses a piecing devices for gas detector, this piecing devices is including connecting protection main part, seal assembly, playing the filter screen subassembly of filtering action to moisture and dust that have in the air, seal assembly is located the lower extreme of connecting protection main part and is connected rather than, filter screen unit attach is in the inside of connecting protection main part and rather than being connected, seal assembly includes first seal ring, second seal ring, packing ring connecting piece, plays good sealed effect to joint protection main part through these two seal rings, prevents that water from permeating to gas detector in to influence gas detector's work, be equipped with its filter effect of multilayer filter screen than the one deck good, this piecing devices simple structure moreover, it is very convenient to install and dismantle.
Description
Technical Field
The utility model belongs to the technical field of gas detector, especially, relate to a piecing devices for gas detector.
Background
The gas detector is an instrument for detecting the concentration of gas, and the instrument is suitable for dangerous places with combustible or toxic gas and can continuously detect the content of the gas to be detected in the air within the lower explosion limit for a long time. Can be widely applied to an ideal monitoring instrument for ensuring the property and the personal safety.
The lower end detecting head and the joint of the gas detector in the prior art are basically of an integrated structure, so that the gas detector is very inconvenient to install and disassemble;
the joint device in the prior art also has the following defects:
firstly, the connector has poor waterproof performance, water is easy to enter, and the work of the gas detector is influenced;
secondly, the joint in the prior art has poor sealing effect;
the joint device in the prior art only has one layer of filter screen, and can not well filter moisture and dust in the air, thereby influencing the detection accuracy of the gas detector;
because the filter screen is only provided with one layer, part of dust can easily enter the gas detector, thereby influencing the normal work of the gas detector;
the part of the gas detector joint which is installed with the existing gas detector is a metal thread, the thread at one end of the joint is directly installed and connected with the metal thread, so that the whole gas detector is easily abraded in use, the whole gas detector cannot normally work due to abrasion, and the whole gas detector is scrapped, so that the resource waste is caused.
Thus, the prior art is not satisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waterproof performance is poor, sealed effect is poor, the effect of moisture and dust that have in the filtered air is poor, the troublesome complicated scheduling problem of joint installation dismantlement in order to solve among the prior art, the utility model provides a be used for on the gas detector that water-proof effects is good, sealed effect is better, have the protection joint, prevent protective sheath, the filter effect of joint wear better, the piecing devices of easy to assemble and dismantlement.
The utility model relates to a piecing devices for gas detector, this piecing devices including connect the joint protection main part of a department, play waterproof seal assembly, play the filter screen subassembly of filtering action to moisture and dust that have in the air in the joint protection main part, seal assembly is located the lower extreme that connects the protection main part and is connected rather than, the filter screen subassembly is connected in the inside that connects the protection main part and is connected rather than.
Furthermore, the sealing assembly comprises a first sealing washer, a second sealing washer and a washer connecting piece, wherein the washer connecting piece is positioned between the first sealing washer and the second sealing washer, the lower part of the washer connecting piece is connected with the first sealing washer, the upper part of the washer connecting piece is connected with the second sealing washer, and the sealing assembly plays a role in sealing and waterproofing a joint protection main body through the two sealing washers.
Further, the filter screen subassembly includes filter screen sealing washer and nested filtering mechanism in the filter screen sealing washer, filtering mechanism is fixed in on the inside of connecting the protection main part through the filter screen sealing washer.
Furthermore, the upper end of joint protection main part is equipped with a protective sheath that prevents to connect the protection main part to receive wearing and tearing, protective sheath detachably installs on the upper end inner wall of joint protection main part.
Further, the filter mechanism comprises a first filter screen layer, a second filter screen layer and a third filter screen layer, the second filter screen layer is located between the first filter screen layer and the third filter screen layer, the first filter screen layer is located above the second filter screen layer and connected with the second filter screen layer, the third filter screen layer is located below the second filter screen layer and connected with the second filter screen layer, and moisture and dust in air are filtered through the three filter screen layers more effectively.
Further, the upper end inner wall that connects the protection main part is equipped with the internal thread, the protective sheath is equipped with the external screw thread, the protective sheath passes through screw thread detachably and installs on the upper end inner wall that connects the protection main part, the inner wall of protective sheath is equipped with the protective sheath internal thread, the protective sheath passes through the external screw thread and realizes connecting the connection of the outside metal thread on the joint installation position of joint protection main part and gas detector to avoid connecting the protection main part and outside metal thread lug connection and leading to wearing and tearing, if wearing and tearing appear in protective sheath and outside metal thread, only need change the protective sheath can, connect the protection main part still can normal use, can not influence gas detector's use yet.
Furthermore, the center of the second sealing washer extends along the upper part to form a connecting shaft, a connecting hole is formed in the lower end of the joint protection main body, and the connecting shaft penetrates through the connecting hole to realize the connection of the sealing assembly and the joint protection main body.
Furthermore, the joint protection main body is made of ABS plastic, wherein the ABS plastic is terpolymer plastic, and has the advantages of excellent comprehensive mechanical property, stable size, easiness in molding and machining, chromium plating on the surface and chemical corrosion resistance.
The beneficial effects of the utility model reside in that:
(1) the joint device of the utility model comprises a joint protection main body and a sealing assembly, wherein the sealing assembly is provided with a first sealing washer, a second sealing washer and a washer connecting piece, the center of the first sealing washer extends along the upper part to form a connecting shaft, a connecting hole is arranged in the lower end of the joint protection main body, the connecting shaft passes through the connecting hole to realize the connection of the sealing assembly and the joint protection main body, and the joint protection main body is doubly sealed and waterproof by the two sealing washers;
(2) the utility model discloses a joint device includes the filter screen subassembly, the filter screen subassembly is connected in the inside of joint protection main part and is connected with it, the filter screen subassembly comprises first filter screen layer, second filter screen layer, third filter screen layer triplex, plays the moisture and the dust effect that have in the better filtered air through the three-layer filter screen layer, prevents that moisture and dust from influencing the detection of gas detector, has improved gas detector's detection precision effectively;
(3) the upper end of the joint protection main body is provided with a protective sleeve, and the joint protection main body is connected with the external metal thread through the protective sleeve, so that the joint protection main body is prevented from being directly connected with the external metal thread to cause abrasion;
(4) the utility model discloses a piecing devices and gas detector detachably erection joint, the structure is very simple, also makes things convenient for the installation and the dismantlement of piecing devices very much.
Drawings
Fig. 1 is a schematic view of an overall structure of a joint device for a gas detector according to the present invention;
fig. 2 is an exploded view of a joint device for a gas detector according to the present invention;
fig. 3 is an enlarged schematic view of the structure of the joint protection main body of the present invention;
fig. 4 is an enlarged schematic view of the structure of the sealing assembly of the present invention;
fig. 5 is an enlarged schematic view of the structure of the filtering mechanism of the present invention;
fig. 6 is a schematic view of the use of the joint device of the present invention.
In the figure, the joint protection body 1, the connection hole 11, the internal thread 12, the sealing assembly 2, the first sealing washer 21, the first connection sleeve 211, the second sealing washer 22, the connection shaft 221, the second connection sleeve 222, the washer connector 23, the first connection sleeve 231, the second connection sleeve 232, the filter screen assembly 3, the filter screen sealing ring 31, the filter mechanism 32, the first filter screen layer 321, the second filter screen layer 322, the third filter screen layer 323, the protection sleeve 4, the gas detector 5, the display screen 51 and the joint installation position 52.
Detailed Description
Referring to fig. 1-2, the utility model relates to a piecing devices for gas detector, this piecing devices is including joint protection main part 1, seal assembly 2, filter screen subassembly 3, seal assembly 2 is located the lower extreme that connects protection main part 1 and is connected with it, filter screen subassembly 3 is connected in the inside that connects protection main part 1 and is connected with it. Through connect protection main part 1 and 5 one ends of gas detector to be connected, protect main part 1 to waterproof through seal assembly 2 butt joint, play filterable effect through filter screen subassembly 3 moisture and the dust that carry in to the air.
Referring to fig. 3, the joint protection body 1 is cylindrical;
referring to fig. 4, the seal assembly 2 includes a first seal gasket 21, a second seal gasket 22, and a gasket connector 23, the gasket connector 23 being located between the first seal gasket 21 and the second seal gasket 22;
a first connecting sleeve 211 is arranged at the upper end of the first sealing washer 21, and the first connecting sleeve 211 is fixedly connected with the upper end of the first sealing washer 21;
a second connecting sleeve 222 is arranged at the lower end of the second sealing washer 22, and the second connecting sleeve 222 is fixedly connected with the lower end of the second sealing washer 22;
a first connecting clamping sleeve 231 is arranged at the lower end of the gasket connecting piece 23, and the first connecting clamping sleeve 231 is connected with the fixed lower end of the gasket connecting piece 23;
a second connecting clamping sleeve 232 is arranged at the upper end of the gasket connecting piece 23, and the second connecting clamping sleeve 232 is fixedly connected with the upper end of the gasket connecting piece 23;
preferably, the first sealing washer 21 is sleeved on the first connecting sleeve 231 through the first connecting sleeve 211 thereof so as to realize the lower connection of the first sealing washer 21 and the washer connector 23;
preferably, the second sealing washer 22 is sleeved on the second connecting sleeve 232 through the second connecting sleeve 222 thereof so as to realize the upper connection of the second sealing washer 22 and the washer connector 23;
through being equipped with two seal ring thereby make piecing devices's leakproofness, waterproof nature higher, prevent that external water or other liquid from permeating to influence gas detector 5's detection in the piecing devices, improved gas detector 5's detection degree of accuracy effectively.
Preferably, a connection shaft 221 extends from the center of the second sealing washer 22 along the upper direction, a connection hole 11 is formed in the lower end of the joint protection body 1, and the connection shaft 221 passes through the connection hole 11 to connect the sealing assembly 2 and the joint protection body 1.
Specifically, the screen assembly 3 includes a screen gasket 31 and a filter mechanism 32 nested in the screen gasket 31, and the filter mechanism 32 is fixed on the inside of the joint protection body 1 through the screen gasket 31.
Preferably, the screen sealing ring 31 is ring-shaped;
referring to fig. 5, the filter screen assembly 3 includes a first filter screen layer 321, a second filter screen layer 322, and a third filter screen layer 323, the second filter screen layer 322 is located between the first filter screen layer 321 and the third filter screen layer 323, the first filter screen layer 321 is located above and connected to the second filter screen layer 322, and the third filter screen layer 323 is located below and connected to the second filter screen layer 322, so that moisture and dust in the air are better filtered by the multiple filter screen layers, the detection accuracy of the gas detector is greatly improved, and the moisture or dust in the air can be effectively prevented from entering the gas detector and affecting the function of the gas detector;
after being stacked, the three filter screen layers are nested in the filter screen sealing ring 31, and the filter screen sealing ring 31 nested with the filter screen layers is placed in the joint protection main body 1 and connected with the joint protection main body;
preferably, the first screen layer 321 and the third screen layer 323 are both provided with 80 meshes, that is, 80 filter meshes, and the second screen layer 322 is provided with 60 meshes, that is, 60 filter meshes;
the upper end of the joint protection main body 1 is provided with a protective sleeve 4, and the protective sleeve 4 is detachably arranged on the inner wall of the upper end of the joint protection main body 1;
the upper end inner wall that connects protection main part 1 is equipped with internal thread 12, protective sheath 4 is equipped with the external screw thread, protective sheath 4 passes through screw thread detachably and installs on the upper end inner wall that connects protection main part 1, the inner wall of protective sheath 4 is equipped with the protective sheath internal thread, protective sheath 4 realizes connecting the connection of the outside metal screw thread on protection main part 1 and gas detector 5's the joint installation position 52 through the external screw thread to avoid connecting protection main part 1 and outside metal screw thread lug connection and leading to wearing and tearing, if there is wearing and tearing protective sheath 4 and outside metal screw thread to appear, only need to change protective sheath 4 can, the piecing devices still can normal use, can not influence gas detector 5's use yet.
The joint protection main body 1 is made of ABS plastic, wherein the ABS plastic is terpolymer plastic, and has the advantages of excellent comprehensive mechanical property, stable size, easiness in molding and machining, chromium plating on the surface and chemical corrosion resistance.
Preferably, the whole joint device can be made of flame-retardant materials, so that the flame-retardant function is achieved, and the function of protecting the joint device is facilitated.
About the utility model discloses a joint device's installation step does:
firstly, the sealing assembly 2 is installed, the first sealing washer 21 is sleeved on the first connecting clamping sleeve 231 to realize the lower connection between the first sealing washer 21 and the washer connecting piece 23, and the second sealing washer 22 is sleeved on the second connecting clamping sleeve 232 to realize the upper connection between the second sealing washer 22 and the washer connecting piece 23;
then, the installed sealing assembly 2 passes through the connecting shaft 221, and the connecting shaft 221 passes through the connecting hole 11, so that the installation and connection of the sealing assembly 2 and the joint protection main body 1 are realized;
then, the stacked three filter screen layers are nested in the filter screen sealing ring 31, and the filter screen sealing ring 31 nested with the filter screen layers is connected with the joint protection main body 1 and is connected with the joint protection main body;
finally, the protective sheath 4 is rotated so that the protective sheath 4 is fitted over the inner wall of the upper end of the joint protection main body 1.
Referring to fig. 6, fig. 6 is a schematic view of the use of the joint device of the present invention:
the utility model discloses a connect protection main part 1 and install in the joint installation department 52 of gas detector 5 through the screw thread on the protective sheath 4, be equipped with display screen 51 on the gas detector 5, show the gas concentration that gas detector 5 detected through display screen 51.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (7)
1. A connector device for a gas detector, characterized by: the joint device comprises a joint protection main body connected to one end of the gas detector, a sealing component for preventing the joint protection main body from water, and a filter screen component for filtering moisture and dust in air, wherein the sealing component is positioned at the lower end of the joint protection main body and is connected with the lower end of the joint protection main body, and the filter screen component is connected to the inside of the joint protection main body and is connected with the joint protection main body.
2. The joint device for a gas detector according to claim 1, wherein: the sealing assembly comprises a first sealing washer, a second sealing washer and a washer connecting piece, wherein the washer connecting piece is positioned between the first sealing washer and the second sealing washer, the lower part of the washer connecting piece is connected with the first sealing washer, the upper part of the washer connecting piece is connected with the second sealing washer, and the sealing assembly plays a role in sealing and waterproofing on a joint protection main body through the two sealing washers.
3. The joint device for a gas detector according to claim 1, wherein: the filter screen subassembly includes filter screen sealing washer and nested filtering mechanism in the filter screen sealing washer, filtering mechanism is fixed in on the inside of joint protection main part through the filter screen sealing washer.
4. The joint device for a gas detector according to claim 1, wherein: the upper end of joint protection main part is equipped with a protective sheath that prevents to connect the protection main part and receive wearing and tearing, protective sheath detachably installs on the upper end inner wall of joint protection main part.
5. A joint device for a gas detector according to claim 3, characterized in that: the filter mechanism comprises a first filter screen layer, a second filter screen layer and a third filter screen layer, the second filter screen layer is located between the first filter screen layer and the third filter screen layer, the first filter screen layer is located above the second filter screen layer and connected with the second filter screen layer, the third filter screen layer is located below the second filter screen layer and connected with the second filter screen layer, and the gas entering the gas detector is better filtered through the filter mechanism.
6. The joint device for a gas detector according to claim 4, wherein: the inner wall of the upper end of the joint protection main body is provided with an internal thread, the protective sleeve is provided with an external thread, and the protective sleeve is detachably mounted on the inner wall of the upper end of the joint protection main body through the thread.
7. The joint device for a gas detector according to claim 2, wherein: the center of the second sealing washer extends along the upper part to form a connecting shaft, a connecting hole is formed in the lower end of the joint protection main body, and the connecting shaft penetrates through the connecting hole to achieve connection of the sealing assembly and the joint protection main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065130.4U CN211374697U (en) | 2020-01-13 | 2020-01-13 | Joint device for gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065130.4U CN211374697U (en) | 2020-01-13 | 2020-01-13 | Joint device for gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211374697U true CN211374697U (en) | 2020-08-28 |
Family
ID=72157200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020065130.4U Active CN211374697U (en) | 2020-01-13 | 2020-01-13 | Joint device for gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211374697U (en) |
-
2020
- 2020-01-13 CN CN202020065130.4U patent/CN211374697U/en active Active
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