CN215811291U - EGR temperature sensor seal structure - Google Patents
EGR temperature sensor seal structure Download PDFInfo
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- CN215811291U CN215811291U CN202122122461.4U CN202122122461U CN215811291U CN 215811291 U CN215811291 U CN 215811291U CN 202122122461 U CN202122122461 U CN 202122122461U CN 215811291 U CN215811291 U CN 215811291U
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Abstract
The utility model discloses an EGR temperature sensor sealing structure in the field of temperature sensors, which comprises a sealing shell, wherein the sealing shell comprises: the left side casing, the right side casing, the jack, the bolt, the wire casing, first external screw thread, the second external screw thread, mounting hole and first spring, a plurality of jacks have been seted up on the casing of a left side, be provided with a plurality ofly on the casing of the right side and jack matched with bolt, the wire casing has all been seted up at the top of left side casing and right casing, first external screw thread has all been seted up in left side casing and the right casing top outside, the second external screw thread has all been seted up in the bottom outside of left side casing and right casing, a plurality of mounting holes have been seted up on the casing of a left side, all install one in every mounting hole and extend to its outside first spring, big nut is installed at the top of sealed shell, little nut is installed to the bottom of sealed shell, a clamping device is installed respectively to the inside left and right sides of sealed shell, install the circuit board between two clamping device. The utility model has good sealing performance, convenient installation and disassembly and convenient maintenance.
Description
Technical Field
The utility model relates to the field of temperature sensors, in particular to an EGR temperature sensor sealing structure.
Background
Poor operation of the ERG (exhaust gas recirculation) control system can cause increased engine exhaust pollution, reduced power, unstable idle operation, and even flameout. An EGR temperature sensor is used to monitor the exhaust gas temperature in the ERG system.
The dismantlement is comparatively inconvenient after current EGR temperature sensor equipment is sealed, if EGR temperature sensor's inside electronic component goes wrong, overhauls inconveniently, consequently, to above current situation, an urgent need develops a leakproofness good, and the installation is convenient with the dismantlement, and the EGR temperature sensor seal structure of easy access to overcome not enough in the current practical application, satisfy current demand.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a sealing structure of an EGR temperature sensor, which solves the problems set forth in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
an EGR temperature sensor seal structure comprising a seal housing, the seal housing comprising: the novel sealing device comprises a left shell, a right shell, jacks, bolts, a wire groove, first external threads, second external threads, mounting holes and a first spring, wherein the left shell is provided with a plurality of jacks, the right shell is provided with a plurality of bolts matched with the jacks, the tops of the left shell and the right shell are respectively provided with a wire groove, the outer sides of the tops of the left shell and the right shell are respectively provided with first external threads, the outer sides of the bottoms of the left shell and the right shell are respectively provided with second external threads, the left shell is provided with a plurality of mounting holes, each mounting hole is internally provided with a first spring extending to the outside of the mounting hole, the top of the sealing shell is provided with a large nut, the bottom of the sealing shell is provided with a small nut, the left side and the right side of the inside of the sealing shell are respectively provided with a clamping device, a circuit board is arranged between the two clamping devices, and the bottom of the circuit board is provided with a detection probe extending to the outside of the sealing shell, the top of circuit board is installed and is extended to the outside wire of seal shell, the wire casing joint has the seal cover, the wire runs through the seal cover.
As a further scheme of the utility model: the clamping device includes: splint, protection pad and second spring, splint pass through the inner wall elastic connection of second spring and sealed shell, the protection pad is installed to the inboard of splint.
As a still further scheme of the utility model: a first through hole is formed in the middle of the large nut, and a second through hole is formed in the middle of the small nut.
As a still further scheme of the utility model: the outer diameter of the sealing sleeve is larger than the diameter of the wire groove.
As a still further scheme of the utility model: the protective pad and the sealing sleeve are both made of rubber.
Compared with the prior art, the utility model has the beneficial effects that: when the EGR temperature sensor sealing structure is assembled, the left shell and the right shell are in a separated state, the two clamping devices are respectively arranged in the left shell and the right shell, the circuit board is placed between the two clamping devices, the lead penetrates through the sealing sleeve, the sealing sleeve is placed in the wire slot, then the left shell and the right shell are folded together, the bolt is inserted into the jack, the tops of the left shell and the right shell are fixed together through the large nut, the bottoms of the left shell and the right shell are fixed together through the small nut, and the left shell and the right shell are tightly connected together at the moment, so that the sealing performance of the EGR temperature sensor sealing structure is better; after left casing and right casing are in the same place by inseparable the connection, first spring is in compression state, during the dismantlement, takes off big nut and little nut respectively, draws left casing and right casing outwards with the hand, simultaneously, and elasticity through first spring outwards plays left casing and right casing for left casing and right casing separation are more convenient, can overhaul the circuit board after left casing and right casing are unpacked apart. In conclusion, the utility model has the advantages of good sealing performance, convenient installation and disassembly and convenient maintenance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the sealing case of the present invention.
Fig. 3 is a partial view at a of fig. 2 of the present invention.
In the figure: 1. sealing the shell; 101. a left housing; 102. a right housing; 103. a jack; 104. a bolt; 105. a wire slot; 106. a first external thread; 107. a second external thread; 108. mounting holes; 109. a first spring; 2. a large nut; 201. a first through hole; 3. a clamping device; 301. a splint; 302. a protective pad; 303. a second spring; 4. a circuit board; 5. a wire; 6. sealing sleeves; 7. detecting a probe; 8. a small screw cap; 801. a second via.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Examples
Referring to fig. 1 to 3, in an embodiment of the present invention, a sealing structure of an EGR temperature sensor includes a sealing housing 1, where the sealing housing 1 includes: the sealing structure comprises a left shell 101, a right shell 102, jacks 103, bolts 104, wire grooves 105, first external threads 106, second external threads 107, mounting holes 108 and first springs 109, wherein the left shell 101 is provided with a plurality of jacks 103, the right shell 102 is provided with a plurality of bolts 104 matched with the jacks 103, the top parts of the left shell 101 and the right shell 102 are both provided with the wire grooves 105, the outer sides of the top parts of the left shell 101 and the right shell 102 are both provided with the first external threads 106, the outer sides of the bottom parts of the left shell 101 and the right shell 102 are both provided with the second external threads 107, the left shell 101 is provided with a plurality of mounting holes 108, each mounting hole 108 is internally provided with one first spring 109 extending to the outside, the top part of the sealing shell 1 is provided with a large nut 2, the large nut 2 is connected with the first external threads 106, the middle position of the large nut 2 is provided with a first through hole 201, little nut 8 is installed to the bottom of sealed shell 1, little nut 8 links to each other with second external screw thread 107, second through-hole 801 has been seted up to the intermediate position of little nut 8, clamping device 3 is installed respectively to the inside left and right sides of sealed shell 1, clamping device 3 includes: splint 301, protection pad 302 and second spring 303, splint 301 passes through the inner wall elastic connection of second spring 303 with sealed shell 1, protection pad 302, two are installed to splint 301's inboard circuit board 4 is installed between clamping device 3, circuit board 4's bottom is installed and is extended to the outside test probe 7 of sealed shell 1, wire 5 that extends to sealed shell 1 outside is installed at circuit board 4's top, the joint has seal cover 6 in wire casing 105, seal cover 6's external diameter is greater than the diameter of wire casing 105, wire 5 runs through seal cover 6, protection pad 302 and seal cover 6 all adopt rubber to make.
The working principle of the utility model is as follows: during assembly, the left shell 101 and the right shell 102 are in a separated state, the two clamping devices 3 are respectively installed in the left shell 101 and the right shell 102, the circuit board 4 is placed between the two clamping devices 3, the lead 5 penetrates through the sealing sleeve 6, the sealing sleeve 6 is placed in the wire slot 105, then the left shell 101 and the right shell 102 are folded together, the plug pin 104 is inserted into the insertion hole 103, the tops of the left shell 101 and the right shell 102 are fixed together through the large nut 2, the bottoms of the left shell 101 and the right shell 102 are fixed together through the small nut 8, and at the moment, the left shell 101 and the right shell 102 are tightly connected together, so that the sealing performance is better; after left casing 101 and right casing 102 are linked together closely, first spring 109 is in compression state, during the dismantlement, take off big nut 2 and little nut 8 respectively, draw left casing 101 and right casing 102 outwards with the hand, simultaneously, elasticity through first spring 109 outwards plays left casing 101 and right casing 102 for left casing 101 and right casing 102 separation are more convenient, can overhaul circuit board 4 after left casing 101 and right casing 102 are unpacked apart.
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 (5)
1. An EGR temperature sensor seal structure, includes sealed shell (1), its characterized in that: the sealed housing (1) comprises: the bolt comprises a left shell (101), a right shell (102), jacks (103), bolts (104), a wire casing (105), a plurality of jacks (103), a second external thread (107), mounting holes (108) and a first spring (109), wherein the left shell (101) is provided with the plurality of the bolts (104) matched with the jacks (103), the wire casing (105) is arranged at the top of each of the left shell (101) and the right shell (102), the first external thread (106) is arranged at the outer side of the top of each of the left shell (101) and the right shell (102), the second external thread (107) is arranged at the outer side of the bottom of each of the left shell (101) and the right shell (102), the mounting holes (108) are arranged on the left shell (101), and the first spring (109) extending to the outer side of each of the mounting holes (108) is arranged in each of the mounting holes (108), big nut (2) are installed at the top of sealed shell (1), little nut (8) are installed to the bottom of sealed shell (1), one clamping device (3) are installed respectively to the inside left and right sides of sealed shell (1), two install circuit board (4) between clamping device (3), test probe (7) that extend to sealed shell (1) outside are installed to the bottom of circuit board (4), wire (5) that extend to sealed shell (1) outside are installed at the top of circuit board (4), the joint has seal cover (6) in wire casing (105), seal cover (6) are run through in wire (5).
2. The EGR temperature sensor seal structure according to claim 1, characterized in that: the clamping device (3) comprises: splint (301), protection pad (302) and second spring (303), splint (301) are through the inner wall elastic connection of second spring (303) with sealed shell (1), protection pad (302) are installed to the inboard of splint (301).
3. The EGR temperature sensor seal structure according to claim 1, characterized in that: a first through hole (201) is formed in the middle of the large nut (2), and a second through hole (801) is formed in the middle of the small nut (8).
4. The EGR temperature sensor seal structure according to claim 1, characterized in that: the outer diameter of the sealing sleeve (6) is larger than the diameter of the wire groove (105).
5. The EGR temperature sensor seal structure according to claim 2, characterized in that: the protective pad (302) and the sealing sleeve (6) are both made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122122461.4U CN215811291U (en) | 2021-09-03 | 2021-09-03 | EGR temperature sensor seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122122461.4U CN215811291U (en) | 2021-09-03 | 2021-09-03 | EGR temperature sensor seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215811291U true CN215811291U (en) | 2022-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122122461.4U Active CN215811291U (en) | 2021-09-03 | 2021-09-03 | EGR temperature sensor seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215811291U (en) |
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2021
- 2021-09-03 CN CN202122122461.4U patent/CN215811291U/en active Active
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