CN217542226U - Automobile exhaust differential pressure sensor - Google Patents
Automobile exhaust differential pressure sensor Download PDFInfo
- Publication number
- CN217542226U CN217542226U CN202221327397.1U CN202221327397U CN217542226U CN 217542226 U CN217542226 U CN 217542226U CN 202221327397 U CN202221327397 U CN 202221327397U CN 217542226 U CN217542226 U CN 217542226U
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- sensor body
- differential pressure
- pressure sensor
- adjusting bolt
- pipe fitting
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Abstract
The utility model provides an automobile exhaust differential pressure sensor belongs to differential pressure sensor technical field. The automobile exhaust differential pressure sensor comprises a pipe fitting, a sensor part and a reinforcing component. The outer wall of the pipe fitting is provided with a mounting hole; the sensor part comprises a sensor body, a limiting sleeve shell, an adjusting nut and a check washer, wherein the limiting sleeve shell is fixedly sleeved outside the sensor body, the adjusting nut is positioned below the limiting sleeve shell, the adjusting nut is fixedly sleeved outside the sensor body, and the check washer is sleeved outside the sensor body below the adjusting nut. The utility model discloses rotatory adjusting bolt for adjusting bolt's screw rod bottom contacts with the pipe fitting outer wall, and elastic support piece is compressed this moment, applys along the radial pressure of pipe fitting for the sensor body, can be so that the further stable installation of sensor body on the pipe fitting, and the situation that the pine takes off also is difficult to appear in the vibrations that receive the automobile for a long time and go and bring.
Description
Technical Field
The utility model relates to a differential pressure sensor field particularly, relates to an automobile exhaust differential pressure sensor.
Background
With the gathering and increasing of the number of automobiles, traffic jam becomes a family for people to eat, and the exhaust gas generated by the automobiles is rapidly increased while providing convenient, comfortable and efficient high-quality service for people.
The existing automobile tail gas is treated by a mist treatment technology before being discharged and then is discharged, and a pressure difference sensor is arranged and used on an automobile tail gas treatment device. Traditional differential pressure sensor directly adopts the spiro union to install in the screw hole on tail gas device's pipe fitting, and is fixed unstable inadequately, produces vibrations along with the use of car and easily leads to differential pressure sensor the not hard up condition to appear, influences the normal detection use of sensor.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides an automobile exhaust differential pressure sensor aims at improving traditional differential pressure sensor and directly adopts the spiro union to install in the screw hole on tail gas device's pipe fitting, and is fixed stable inadequately, along with the use of car produce shake easily lead to differential pressure sensor the problem of the not hard up condition to appear.
The utility model discloses a realize like this:
the utility model provides an automobile exhaust differential pressure sensor, including pipe fitting, sensor part and reinforcement assembly.
The outer wall of the pipe fitting is provided with a mounting hole;
the sensor part comprises a sensor body, a limiting casing, an adjusting nut and a check washer, the limiting casing is fixedly sleeved outside the sensor body, the adjusting nut is positioned below the limiting casing, the adjusting nut is fixedly sleeved outside the sensor body, the check washer is sleeved outside the sensor body below the adjusting nut, and the bottom end of the sensor body is inserted into the mounting hole in a threaded manner;
the reinforcing component comprises a ring plate, connecting blocks, elastic supporting pieces and adjusting bolts, wherein the ring plate is located between the adjusting bolts and the limiting casing shells, the ring plate is fixedly sleeved on the outer portion of the sensor body, the connecting blocks are located on two sides below the ring plate respectively, two ends of the elastic supporting pieces are connected to the ring plate and the connecting blocks respectively, and the screw of each adjusting bolt is in threaded connection with the connecting blocks.
In an embodiment of the present invention, the adjusting bolt bottom end is fixedly connected with a spacing support member.
In an embodiment of the present invention, the limiting support member includes a support block, the support block is fixedly connected to the bottom end of the adjusting bolt.
The utility model discloses an in one embodiment, the supporting shoe bottom is seted up flutedly, and the recess is inside to be fixed to be inlayed and is equipped with first slipmat.
The utility model discloses an in one embodiment, the equal fixedly connected with arc slat in supporting shoe both sides, the arc slat is kept away from adjusting bolt one end below is provided with the second slipmat.
In an embodiment of the present invention, the elastic supporting member includes a spring, and both ends of the spring are respectively connected to the ring plate and the connecting block.
The utility model discloses an in one embodiment, connecting block top fixedly connected with gag lever post, the gag lever post top activity respectively run through in the spring with the crown plate, just gag lever post top fixedly connected with stopper.
In an embodiment of the present invention, a through hole is provided in the middle of the ring plate, and the sensor body runs through the through hole.
The utility model has the advantages that: the utility model discloses an automobile exhaust differential pressure sensor that above-mentioned design obtained, during the use, in installing the mounting hole on the pipe fitting with the sensor body spiro union in advance according to traditional mode, the setting up of locking gasket makes to install and has good locking performance at the outside sensor body of mounting hole. And rotating the adjusting bolt again to enable the bottom end of the screw rod of the adjusting bolt to be in contact with the outer wall of the pipe fitting, compressing the elastic supporting piece at the moment, applying pressure along the radial direction of the pipe fitting to the sensor body, enabling the sensor body to be further stably installed on the pipe fitting, and avoiding loosening due to vibration caused by automobile running for a long time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of an automobile exhaust differential pressure sensor provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a reinforcing component according to an embodiment of the present invention;
FIG. 3 is a schematic view of an installation structure of a ring plate and an elastic supporting member according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an adjusting bolt and a limiting support member provided by the embodiment of the present invention.
In the figure: 10-a pipe fitting; 111-mounting holes; 20-a sensor portion; 210-a sensor body; 220-a limit case; 230-an adjusting nut; 240-anti-loose gasket; 30-a reinforcement component; 310-ring plate; 311-a via hole; 320-connecting block; 330-a resilient support; 331-a spring; 332-a limiting rod; 333-a limiting block; 340-adjusting bolts; 350-a spacing support; 351-support blocks; 352-arc shaped lath.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 4, the present invention provides an automobile exhaust differential pressure sensor, which includes a pipe 10, a sensor portion 20, and a reinforcement member 30.
Wherein, the sensor part 20 and the reinforcing component 30 can be more stably installed on the pipe 10 in cooperation, and the automobile is not necessarily loosened even if being vibrated.
Referring to fig. 1 and 2, the outer wall of the pipe 10 is provided with a mounting hole 111. The sensor portion 20 includes a sensor body 210, a restraining sleeve 220, an adjustment nut 230, and a lockwasher 240. The limiting sleeve 220 is fixedly sleeved outside the sensor body 210, the adjusting nut 230 is positioned below the limiting sleeve 220, the adjusting nut 230 is fixedly sleeved outside the sensor body 210, and the adjusting nut 230 and the sensor body 210 are fixed by welding; the anti-loosening gasket 240 is sleeved outside the sensor body 210 below the adjusting nut 230, and the bottom end of the sensor body 210 is screwed and inserted into the mounting hole 111. The reinforcement assembly 30 includes a ring plate 310, a connection block 320, an elastic support 330, and an adjustment bolt 340. The ring plate 310 is located between the adjusting bolt 340 and the restraining casing 220, and the ring plate 310 is fixedly sleeved outside the sensor body 210. The two connecting blocks 320 are respectively located at two sides below the ring plate 310, two ends of the elastic supporting member 330 are respectively connected to the ring plate 310 and the connecting blocks 320, and a screw of the adjusting bolt 340 is screwed to penetrate through the connecting blocks 320, that is, a threaded hole matched with the adjusting bolt 340 is formed in the connecting blocks 320.
The sensor body 210 is screwed into the mounting hole 111 of the pipe 10 in advance in a conventional manner, and the anti-loosening gasket 240 is provided to allow the sensor body 210 mounted outside the mounting hole 111 to have good anti-loosening performance. The adjusting bolt 340 is rotated again, so that the bottom end of the screw of the adjusting bolt 340 is in contact with the outer wall of the pipe fitting 10, at the moment, the elastic supporting part 330 is compressed, pressure along the radial direction of the pipe fitting 10 is applied to the sensor body 210, the sensor body 210 can be further stably installed on the pipe fitting 10, and the loosening condition is not easy to occur even if the sensor body is subjected to vibration caused by automobile running for a long time.
In the above embodiment, referring to fig. 4, a limiting support 350 is fixedly connected to the bottom end of the adjusting bolt 340. The spacing support 350 comprises a support block 351, wherein the support block 351 is fixedly connected to the bottom end of the adjusting bolt 340; the supporting block 351 and the adjusting bolt 340 are fixed by welding. The bottom of the supporting block 351 is provided with a groove, and a first anti-skid pad is fixedly embedded in the groove. Arc-shaped strips 352 are fixedly connected to two sides of the supporting block 351, and a second anti-skid pad is arranged below one end, far away from the adjusting bolt 340, of each arc-shaped strip 352; the arc-shaped strip 352 and the adjusting bolt 340 are fixed by welding. The support block 351 at the bottom end of the adjusting bolt 340 and the arc-shaped strips 352 at both sides of the support block 351 are used for stably contacting and supporting the outer wall of the pipe 10 when the adjusting bolt 340 is rotationally adjusted. First slipmat and second slipmat all adopt the gasket of rubber material, play good anti-skidding guard action.
In specific arrangement, referring to fig. 3, the elastic support 330 includes a spring 331, and two ends of the spring 331 are respectively connected to the ring plate 310 and the connecting block 320. The top of the connecting block 320 is fixedly connected with a limiting rod 332, the top end of the limiting rod 332 is movably penetrated through the spring 331 and the ring plate 310, and the top end of the limiting rod 332 is fixedly connected with a limiting block 333. The middle of the ring plate 310 is provided with a through hole 311, and the sensor body 210 penetrates through the through hole 311. The spring 331 is disposed to have good elasticity between the ring plate 310 and the connecting block 320, the limiting rod 332 is used for limiting the spring 331, and the limiting block 333 is used for limiting the top end of the limiting rod 332.
The working principle of the automobile exhaust differential pressure sensor is as follows: when in use, the sensor body 210 is screwed into the mounting hole 111 of the pipe fitting 10 in advance in a conventional manner, and the anti-loosening gasket 240 is arranged to enable the sensor body 210 installed outside the mounting hole 111 to have good anti-loosening performance. The adjusting bolt 340 is rotated again, so that the bottom end of the screw of the adjusting bolt 340 is in contact with the outer wall of the pipe fitting 10, at the moment, the elastic supporting part 330 is compressed, pressure along the radial direction of the pipe fitting 10 is applied to the sensor body 210, the sensor body 210 can be further stably installed on the pipe fitting 10, and the loosening condition is not easy to occur even if the sensor body is subjected to vibration caused by automobile running for a long time.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automobile exhaust differential pressure sensor is characterized by comprising
The pipe fitting (10), the outer wall of the pipe fitting (10) is provided with a mounting hole (111);
the sensor part (20), the sensor part (20) includes a sensor body (210), a limiting casing (220), an adjusting nut (230) and a check washer (240), the limiting casing (220) is fixedly sleeved outside the sensor body (210), the adjusting nut (230) is located below the limiting casing (220), the adjusting nut (230) is fixedly sleeved outside the sensor body (210), the check washer (240) is sleeved outside the sensor body (210) below the adjusting nut (230), and the bottom end of the sensor body (210) is inserted in the mounting hole (111) in a threaded manner;
reinforce subassembly (30), it includes crown plate (310), connecting block (320), elastic support (330) and adjusting bolt (340) to reinforce subassembly (30), crown plate (310) is located adjusting bolt (340) with between spacing cover shell (220), just fixed cover of crown plate (310) is located sensor body (210) are outside, two connecting block (320) are located respectively crown plate (310) below both sides, elastic support (330) both ends connect respectively in crown plate (310) with connecting block (320), the screw rod spiro union of adjusting bolt (340) run through in connecting block (320).
2. The vehicle differential pressure sensor according to claim 1, characterized in that a limiting support (350) is fixedly connected to the bottom end of the adjusting bolt (340).
3. The vehicle differential exhaust gas pressure sensor according to claim 2, wherein the position limiting support member (350) comprises a support block (351), and the support block (351) is fixedly connected to the bottom end of the adjusting bolt (340).
4. The automobile exhaust differential pressure sensor according to claim 3, characterized in that a groove is formed at the bottom of the supporting block (351), and a first anti-slip mat is fixedly embedded in the groove.
5. The automobile exhaust differential pressure sensor according to claim 4, characterized in that arc-shaped strips (352) are fixedly connected to both sides of the support block (351), and a second anti-slip pad is arranged below one end of each arc-shaped strip (352) far away from the adjusting bolt (340).
6. The pressure difference sensor according to claim 1, wherein the elastic support (330) comprises a spring (331), and both ends of the spring (331) are connected to the ring plate (310) and the connecting block (320), respectively.
7. The automobile exhaust differential pressure sensor according to claim 6, characterized in that a limiting rod (332) is fixedly connected to the top of the connecting block (320), the top end of the limiting rod (332) is movably penetrated through the spring (331) and the ring plate (310), and a limiting block (333) is fixedly connected to the top end of the limiting rod (332).
8. The automobile exhaust differential pressure sensor according to claim 1, characterized in that a through hole (311) is formed in the middle of the ring plate (310), and the sensor body (210) penetrates through the through hole (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221327397.1U CN217542226U (en) | 2022-05-30 | 2022-05-30 | Automobile exhaust differential pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221327397.1U CN217542226U (en) | 2022-05-30 | 2022-05-30 | Automobile exhaust differential pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217542226U true CN217542226U (en) | 2022-10-04 |
Family
ID=83441814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221327397.1U Active CN217542226U (en) | 2022-05-30 | 2022-05-30 | Automobile exhaust differential pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217542226U (en) |
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2022
- 2022-05-30 CN CN202221327397.1U patent/CN217542226U/en active Active
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