CN215833377U - Waterproof shell of oxygen sensor - Google Patents
Waterproof shell of oxygen sensor Download PDFInfo
- Publication number
- CN215833377U CN215833377U CN202122104781.7U CN202122104781U CN215833377U CN 215833377 U CN215833377 U CN 215833377U CN 202122104781 U CN202122104781 U CN 202122104781U CN 215833377 U CN215833377 U CN 215833377U
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- oxygen sensor
- groove
- waterproof
- main body
- air bag
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Abstract
The utility model discloses a waterproof shell of an oxygen sensor, and belongs to the technical field of oxygen sensor waterproofing. An oxygen sensor water resistant housing comprising: an oxygen sensor main body mounted on the exhaust pipe; the sealed air bag is fixedly connected in the air bag placing groove; the annular sliding block is connected in the annular sliding groove in a sliding manner; the waterproof sleeve is sleeved on the oxygen sensor main body, wherein a threading hole is formed in the top of the waterproof sleeve, and a waterproof groove corresponding to the annular sealing gasket is formed in the threading hole; the utility model can extrude the sealing air bag through the annular slide block in the process that the waterproof sleeve and the oxygen sensor main body are installed on the installation base together, so that the sealing air bag is expanded and deformed to be fully and tightly attached to the sealing groove in the waterproof sleeve, the oxygen sensor main body is fully sealed and protected, the detection of automobile exhaust caused by the influence of dampness or water inflow of the oxygen sensor main body in the use process can be prevented, and the service life of the oxygen sensor main body is prolonged.
Description
Technical Field
The utility model relates to the technical field of oxygen sensor waterproofing, in particular to a waterproof shell of an oxygen sensor.
Background
The oxygen sensor is a measuring element which is arranged on an automobile exhaust pipe, is used for detecting the content of oxygen in the exhaust gas discharged by an automobile and is used for feeding back the oxygen content to an automobile computer so as to adjust the air-fuel ratio in an automobile engine.
The existing common oxygen sensor is not provided with a waterproof shell, and because the oxygen sensor is exposed in the working environment for a long time, the oxygen sensor is easily affected with damp or water in the using process, the detection of automobile exhaust is influenced, and the service life of the oxygen sensor is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that an oxygen sensor in the prior art has no waterproof effect and is easy to damage by water inflow.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an oxygen sensor water resistant housing comprising: the oxygen sensor comprises an oxygen sensor main body arranged on an exhaust pipe, wherein a sealing gasket groove is formed in the surface of a wiring part on the oxygen sensor main body, an annular sealing gasket is sleeved on the sealing gasket groove, an air bag placing groove and an annular sliding groove are formed in a locking nut on the oxygen sensor main body, and the annular sliding groove is communicated with the air bag placing groove; the sealed air bag is fixedly connected in the air bag placing groove; the annular sliding block is connected in the annular sliding groove in a sliding manner; the waterproof cover is sleeved on the oxygen sensor main body, wherein a threading hole is formed in the top of the waterproof cover, a waterproof groove corresponding to the annular sealing gasket is formed in the threading hole, a locking groove corresponding to the locking nut is formed in the locking portion of the waterproof cover, and a sealing air bag matched sealing groove is formed in the locking groove.
In order to prevent the annular sliding block from slipping off, preferably, a plurality of connecting blocks are fixedly connected in the annular sliding groove, and a limiting groove corresponding to the connecting blocks is formed in the annular sliding block.
In order to facilitate installation of the clamping waterproof sleeve, the locking part is in a hexagonal nut shape, so that clamping and rotation are facilitated.
In order to conveniently extrude the annular sliding block during installation, a thread is preferably arranged on the oxygen sensor main body and is positioned below the locking nut.
In order to facilitate the installation of the oxygen sensor, a mounting base is fixedly connected to the exhaust pipe, and a thread groove corresponding to the thread line is formed in the mounting base.
In order to ensure that the installed oxygen sensor can detect the tail gas, further, the exhaust pipe is provided with a mounting hole, and the mounting hole corresponds to the tail gas collecting end of the main body of the oxygen sensor.
Compared with the prior art, the utility model provides a waterproof shell of an oxygen sensor, which has the following beneficial effects:
1. this waterproof shell of oxygen sensor seals through the cooperation of the sealed pad of sealing pad inslot annular seal pad with waterproof recess, has guaranteed the waterproof seal of oxygen sensor wiring end.
2. This oxygen sensor waterproof case establishes on lock nut through locking portion cover, with the corresponding cooperation of lock nut, can be easy to assemble oxygen sensor in-process, carries out rotatory installation through centre gripping locking portion, has guaranteed the steadiness of oxygen sensor installation.
3. This waterproof shell of oxygen sensor extrudees sealed gasbag through the cyclic annular slider of sliding connection in lock nut, makes sealed gasbag expansion deformation and the sealed recess closely laminate sealedly, when having guaranteed firm the being connected between waterproof cover and the oxygen sensor main part, and is fully sealed waterproof to the clearance between lock recess and lock nut.
The utility model can extrude the sealing air bag through the annular slide block in the process that the waterproof sleeve and the oxygen sensor main body are installed on the installation base together, so that the expansion deformation of the sealing air bag is fully and tightly attached to the sealing groove in the waterproof sleeve, the oxygen sensor main body is fully sealed and protected, the detection of automobile exhaust caused by the fact that the oxygen sensor main body is affected by damp or water inflow in the using process can be prevented, and the service life of the oxygen sensor main body is prolonged.
Drawings
FIG. 1 is a first schematic structural diagram of a waterproof housing of an oxygen sensor according to the present invention;
FIG. 2 is a schematic structural diagram of a waterproof case of an oxygen sensor according to the present invention;
FIG. 3 is a schematic structural view of a portion A in FIG. 2 of a waterproof housing of an oxygen sensor according to the present invention;
FIG. 4 is a schematic structural view of a portion B of the waterproof housing of the oxygen sensor shown in FIG. 2 according to the present invention;
FIG. 5 is a schematic structural view of a portion C in FIG. 2 of a waterproof housing for an oxygen sensor according to the present invention;
FIG. 6 is a third schematic structural view of a waterproof housing of an oxygen sensor according to the present invention;
FIG. 7 is a schematic structural view of a waterproof housing D of the oxygen sensor shown in FIG. 6 according to the present invention;
fig. 8 is a schematic structural diagram of a sealing air bag and an annular slider of a waterproof housing of an oxygen sensor according to the present invention.
In the figure: 1. a waterproof jacket; 101. a waterproof groove; 102. threading holes; 103. a locking portion; 104. locking the groove; 105. sealing the groove; 2. an oxygen sensor body; 201. a wiring portion; 202. a gasket groove; 2021. an annular seal gasket; 203. locking the nut; 204. sealing the air bag; 205. an annular slider; 206. a limiting groove; 207. connecting blocks; 208. an air bag placing groove; 209. an annular chute; 3. mounting a base; 4. an exhaust pipe; 401. mounting holes; 5. and (4) conducting wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-8, an oxygen sensor waterproof housing includes: an oxygen sensor body 2 installed on the exhaust pipe 4, wherein a sealing gasket groove 202 is formed on the surface of a wiring part 201 on the oxygen sensor body 2, an annular sealing gasket 2021 is sleeved on the sealing gasket groove 202, an air bag placing groove 208 and an annular sliding groove 209 are formed on a locking nut 203 on the oxygen sensor body 2, and the annular sliding groove 209 is communicated with the air bag placing groove 208; the sealed air bag 204 is fixedly connected in the air bag placing groove 208; an annular slider 205 slidably connected in the annular chute 209; the waterproof jacket 1 is sleeved on the oxygen sensor main body 2, wherein a threading hole 102 is formed in the top of the waterproof jacket 1, a waterproof groove 101 corresponding to the annular sealing gasket 2021 is formed in the threading hole 102, a locking groove 104 corresponding to the locking nut 203 is formed in the locking portion 103 of the waterproof jacket 1, and a sealing groove 105 matched with the sealing airbag 204 is formed in the locking groove 104.
A plurality of connecting blocks 207 of fixedly connected with in the cyclic annular spout 209, set up the spacing groove 206 corresponding with connecting block 207 on the cyclic annular slider 205, locking portion 103 is the hexagon nut appearance, make things convenient for the centre gripping to rotate, be equipped with the thread on the oxygen sensor main part 2, the thread is located lock nut 203 below, fixedly connected with mounting base 3 on the blast pipe 4, be equipped with the thread groove corresponding with the thread in the mounting base 3, mounting hole 401 has been seted up on the blast pipe 4, mounting hole 401 is corresponding with 2 tail gas collection ends of oxygen sensor main part.
In the installation and use process of the device, when the oxygen sensor main body 2 is not installed on the exhaust pipe 4, the waterproof sleeve 1 is inserted through one end of the lead 5 connected on the oxygen sensor main body 2, which is far away from the oxygen sensor main body 2, the locking groove 104 is sleeved on the locking nut 203, the threading hole 102 is sleeved outside the wiring part 201, the waterproof groove 101 is tightly attached to the surface of the annular sealing gasket 2021 sleeved on the sealing gasket groove 202, the gap between the threading hole 102 and the wiring part 201 is sealed through the annular sealing gasket 2021, at the moment, the waterproof sleeve 1 and the oxygen sensor main body 2 which are sleeved together can be installed on the installation base 3 fixedly connected with the exhaust pipe 4 together, the locking part 103 is in a hexagon nut shape, the clamping by using an installation tool is convenient, the locking part 103 is particularly clamped by the installation tool, the waterproof sleeve 1 and the oxygen sensor main body 2 are installed into the thread groove of the installation base 3 through the thread line rotation on the oxygen sensor main body 2 together, until the lower surface of the locking nut 203 is tightly attached to the upper surface of the mounting base 3, in the mounting process, the annular slider 205 which is connected in the annular chute 209 in a sliding manner and the bottom end of which extends to the lower part of the locking nut 203 abuts against the upper surface of the mounting base 3, in the process of rotating the locking part 103 and locking the threads, the locking part 103 drives the locking nut 203 to gradually approach to the upper surface of the mounting base 3, in the approaching process, the annular slider 205 is pressed by the upper surface of the mounting base 3 to slide upwards along the axial direction of the oxygen sensor main body 2, the sealing airbag 204 which is fixedly connected in the airbag placing groove 208 is pressed, so that the internal pressure of the sealing airbag 204 is increased, the outer ring of the sealing airbag 204 is expanded, the expanded part is tightly attached to the sealing groove 105 which is arranged in the locking groove 104, so that the waterproof jacket 1 can be locked outside the oxygen sensor main body 2 through the sealing airbag 204, and the sealing airbag 204 can also seal the gap between the locking groove 104 and the locking nut 203, the whole sealing performance of the waterproof sleeve 1 sleeved on the oxygen sensor main body 2 is ensured, and the oxygen sensor main body 2 is prevented from being affected with damp or entering water in the using process.
Fixedly connected with a plurality of connecting blocks 207 in the cyclic annular spout 209, set up the spacing groove 206 corresponding with connecting block 207 on the cyclic annular slider 205, so can guarantee that cyclic annular slider 205 can be because of connecting block 207 spacing when not installing state, can not slide and drop from cyclic annular spout 209, the last top surface of cyclic annular slider 205 is cyclic annular simultaneously, can increase and sealed gasbag 204's area of contact, thereby can guarantee to fully extrude sealed gasbag 204 at the in-process of extrusion cyclic annular slider 205, in order to guarantee that the expanded part of sealed gasbag 204 and sealed recess 105 are fully closely laminated mutually, the reinforcing gas tightness.
According to the utility model, in the process that the waterproof sleeve 1 and the oxygen sensor main body 2 are installed on the installation base 3 together, the annular slide block 205 extrudes the sealing air bag 204, so that the sealing air bag 204 is expanded and deformed to be fully and tightly attached to the sealing groove 105 in the waterproof sleeve 1, the oxygen sensor main body 2 is fully sealed and protected, the detection of automobile exhaust caused by the influence of moisture or water inflow on the oxygen sensor main body 2 in the use process can be prevented, and the service life of the oxygen sensor main body 2 is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A waterproof housing for an oxygen sensor, comprising:
an oxygen sensor main body (2) mounted on the exhaust pipe (4),
the surface of a wiring part (201) on the oxygen sensor main body (2) is provided with a sealing gasket groove (202), the sealing gasket groove (202) is sleeved with an annular sealing gasket (2021), a locking nut (203) on the oxygen sensor main body (2) is provided with an air bag placing groove (208) and an annular sliding groove (209), and the annular sliding groove (209) is communicated with the air bag placing groove (208);
the sealing air bag (204) is fixedly connected in the air bag placing groove (208);
an annular slide block (205) which is connected in a sliding manner in the annular sliding groove (209);
a waterproof sleeve (1) which is sleeved on the oxygen sensor main body (2),
the waterproof structure is characterized in that a threading hole (102) is formed in the top of the waterproof sleeve (1), a waterproof groove (101) corresponding to the annular sealing gasket (2021) is formed in the threading hole (102), a locking groove (104) corresponding to the locking nut (203) is formed in the locking portion (103) of the waterproof sleeve (1), and a sealing groove (105) matched with the sealing air bag (204) is formed in the locking groove (104).
2. The waterproof housing of an oxygen sensor according to claim 1, wherein a plurality of connecting blocks (207) are fixedly connected in the annular sliding groove (209), and a limiting groove (206) corresponding to the connecting blocks (207) is formed on the annular sliding block (205).
3. The waterproof shell of the oxygen sensor as claimed in claim 2, wherein the locking part (103) is in a hexagonal nut shape to facilitate clamping and rotation.
4. The waterproof case of oxygen sensor according to claim 1, wherein the oxygen sensor body (2) is provided with a thread which is located below the lock nut (203).
5. The waterproof housing of oxygen sensor according to claim 4, wherein a mounting base (3) is fixedly connected to the exhaust pipe (4), and a thread groove corresponding to the thread line is formed in the mounting base (3).
6. The waterproof case of oxygen sensor according to claim 5, wherein the exhaust pipe (4) is provided with a mounting hole (401), and the mounting hole (401) corresponds to the exhaust gas collecting end of the oxygen sensor body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122104781.7U CN215833377U (en) | 2021-09-02 | 2021-09-02 | Waterproof shell of oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122104781.7U CN215833377U (en) | 2021-09-02 | 2021-09-02 | Waterproof shell of oxygen sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215833377U true CN215833377U (en) | 2022-02-15 |
Family
ID=80198233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122104781.7U Active CN215833377U (en) | 2021-09-02 | 2021-09-02 | Waterproof shell of oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215833377U (en) |
-
2021
- 2021-09-02 CN CN202122104781.7U patent/CN215833377U/en active Active
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