CN216483225U

CN216483225U - Urea liquid level temperature sensor

Info

Publication number: CN216483225U
Application number: CN202123134578.0U
Authority: CN
Inventors: 周金国; 朱永杰
Original assignee: Wenzhou Xuanyuan Automobile Technology Co ltd
Current assignee: Wenzhou Xuanyuan Automobile Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-10
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a urea liquid level temperature sensor, which comprises a mounting bas, the inside sensor body that is equipped with of mount pad, sensor body top run through in inside the mount pad, mount pad top one side is equipped with the fixed axle, fixed axle external connection has the fixed plate, fixed plate below one side is contradicted with positioning bolt, the positioning bolt below runs through inside the mounting panel, sensor body below and base fixed connection, the base bottom is equipped with rubber buffer, the rubber buffer below is equipped with the backing plate, the backing plate below is equipped with a plurality of elastic telescopic links. The utility model discloses a set up the positioning bolt who has damping spring on mount pad and mounting panel, set up rubber buffer pad and elasticity telescopic link on the base, can cushion outside vibrations when fixed with the sensor body, reduce the influence of outside vibrations to the sensor body, prolong the life of sensor body.

Description

Urea liquid level temperature sensor

Technical Field

The utility model relates to a urea liquid level temperature sensor belongs to exhaust emission aftertreatment and leads technical field.

Background

With the increasing number of automobiles, the influence of the automobiles on the environment is more and more emphasized by people. The most concerned among them is the pollution of the exhaust gas discharged from automobiles to the environment, which makes the legislation on the exhaust gas discharged from automobiles more and more strict in all countries of the world. The existing diesel engine technology can not reach the tail gas emission standard specified by the regulation, so a new tail gas treatment system is required to be added to ensure that the urea solution and the oxynitride in the tail gas are fully reacted to reach the tail gas emission standard specified by the regulation.

When the urea liquid level temperature sensor who uses at present installs at the urea incasement, because the car can produce more vibrations when going, the sensor body can receive the influence of outside vibrations equally, arouses the sensor easily and takes place to rock in urea incasement portion, can arouse the sensor body to become flexible in urea incasement portion when serious, influences urea liquid level sensor and loses efficacy or damages, consequently, needs a urea liquid level temperature sensor.

Disclosure of Invention

An object of the utility model is to provide a urea liquid level temperature sensor through set up the positioning bolt who has damping spring on mount pad and mounting panel, sets up rubber buffer pad and elastic telescopic rod on the base, can cushion outside vibrations when fixed with the sensor body, reduces outside vibrations to the influence of sensor body, prolongs the life of sensor body to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a urea liquid level temperature sensor, includes the mount pad, the inside sensor body that is equipped with of mount pad, sensor body top run through in inside the mount pad, mount pad top one side is equipped with the fixed axle, fixed axle external connection has the fixed plate, fixed plate below one side is contradicted with positioning bolt, the positioning bolt below runs through inside the mount pad, sensor body below and base fixed connection, the base bottom is equipped with rubber buffer, the rubber buffer below is equipped with the backing plate, the backing plate below is equipped with a plurality of elasticity telescopic links.

Further, the mounting panel is located the mount pad is outside, the positioning bolt screw thread is located self bottom, positioning bolt is in the inside sliding connection of mounting panel.

Furthermore, positioning bolt quantity is four and evenly locates on four angles on the mounting panel, positioning bolt has cup jointed damping spring in the outside, damping spring locates both sides about the mounting panel.

Furthermore, the fixed plate is rotatably connected to the outside of the fixed shaft, the shape of the top end of the positioning bolt is the same as that of the inside of the fixed plate, and the top end of the positioning bolt is embedded into the inside of the fixed plate.

Furthermore, a positioning rod is connected to one side inside the fixing plate in a penetrating manner, one end of the positioning rod is connected with a clamping seat, and the clamping seat is arranged on the edge of the fixing plate and fixedly connected with the mounting seat.

Furthermore, the rubber buffer pads are made of soft rubber, the elastic telescopic rods are spring telescopic rods, and the number of the elastic telescopic rods is four and is evenly arranged at four corners below the base plate.

Furthermore, the bottom of the elastic telescopic rod is provided with a sucker which is a rubber vacuum sucker.

The utility model has the advantages that:

1. through setting up mount pad and mounting panel, be connected the back with the urea case on the mounting panel, can reciprocate through damping spring on positioning bolt, thereby can reduce the influence of outside vibrations to sensor body top, and the positioning bolt top is contradicted with the fixed plate, the fixed plate can overturn on positioning bolt and highly fixed with the angle with the positioning bolt top, thereby can be with positioning bolt tight connection on the urea case, prevent that positioning bolt from droing from the urea case, stability when keeping mounting panel and urea case to be connected.

2. Through set up rubber buffer pad and elastic telescopic rod below the base, elastic telescopic rod can contract when receiving vibrations in sensor body bottom, and the outside vibrations of cooperation rubber buffer pad greatly reduced are to the conveying efficiency of sensor body, thereby effectively reduce the vibrations that receive in sensor body below, reduce the influence of outside vibrations to the sensor body, elastic telescopic rod bottom is equipped with the sucking disc, the sucking disc can be with elastic telescopic rod rigidity, elastic telescopic rod takes place the displacement when preventing vibrations, keep the stability of sensor body below.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a front view of a urea level temperature sensor of the present invention;

FIG. 2 is a connection diagram of a fixing plate and a positioning screw of the urea liquid level temperature sensor of the present invention;

FIG. 3 is a top view of a mounting base of a urea level temperature sensor according to the present invention;

FIG. 4 is an enlarged view of the area A of the urea level temperature sensor of the present invention;

reference numbers in the figures: 1. a mounting base; 2. a sensor body; 3. a fixed shaft; 4. a fixing plate; 5. positioning the bolt; 6. mounting a plate; 7. a base; 8. a rubber cushion pad; 9. a base plate; 10. an elastic telescopic rod; 11. a damping spring; 12. positioning a rod; 13. a card holder; 14. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a urea liquid level temperature sensor, includes

mount pad

1, 1 inside sensor body 2 that is equipped with of mount pad, 2 tops of sensor body run through in 1 inside of mount pad, 1 top one side of mount pad is equipped with

fixed axle

3, 3 external connection of fixed axle has fixed

plate

4, 4 below one side of fixed plate are contradicted with positioning bolt 5, positioning bolt 5 below runs through inside

mounting panel

6, 2 below and base 7 fixed connection of sensor body, 7 bottoms of base are equipped with

rubber buffer

8, 8 below of rubber buffer are equipped with

backing plate

9, 9 below of backing plate is equipped with a plurality of elastic telescopic links 10.

Particularly, mounting panel 6 is located 1 outsidely of mount pad, self bottom is located to positioning bolt 5 screw thread, positioning bolt 5 is in the inside sliding connection of mounting panel 6, positioning bolt 5 quantity is four and evenly locates on four angles on the mounting panel 6, damping spring 11 has been cup jointed to positioning bolt 5 outside, damping spring 11 locates both sides about mounting panel 6 are being connected the back with the urea case on the mounting panel 6, can reciprocate through damping spring 11 on positioning bolt 5 to can reduce the influence of outside vibrations to sensor body 2 top, keep sensor body 2 top stable.

Specifically, the fixing plate 4 is rotatably connected to the outside of the fixing shaft 3, the shape of the top end of the positioning bolt 5 is the same as that of the inside of the fixing plate 4, the top end of the positioning bolt 5 is embedded into the fixing plate 4, a positioning rod 12 is connected to one side of the inside of the fixing plate 4 in a penetrating manner, one end of the positioning rod 12 is connected with a clamping seat 13, the clamping seat 13 is arranged at the edge of the fixing plate 4 and fixedly connected with the mounting seat 1, and the fixing plate 4 can be turned over onto the positioning bolt 5 and fix the height and the angle of the top end of the positioning bolt 5, so that the positioning bolt 5 can be tightly connected to the urea tank, and the positioning bolt 5 is prevented from falling off from the urea tank.

Example 2: referring to fig. 1, the difference between the present embodiment and embodiment 1 is: rubber buffer 8 is soft rubber, elastic telescopic rod 10 is the spring telescopic rod, elastic telescopic rod 10 quantity is four and evenly locates on four angles of backing plate 9 below, elastic telescopic rod 10 bottom is equipped with sucking disc 14, sucking disc 14 is rubber vacuum chuck to effectively reduce the vibrations that receive in 2 below of sensor body, reduce the influence of outside vibrations to sensor body 2, sucking disc 14 can be fixed 2 bottoms of sensor body, prevents that sensor body 2 below from taking place the slope.

The utility model discloses the theory of operation: when the device is used, the sensor body 2 is moved towards the inside of the urea box, when the sucker 14 is in contact with the bottom of the urea box, the sensor body 2 is pressed downwards, so that the inside of the sucker 14 is vacuumized, the sucker 14 is adsorbed at the bottom of the urea box, then the positioning bolt 5 is rotated by using a tool, the positioning bolt 5 is screwed on the urea box, then the fixing plate 4 is turned over, when the fixing plate 4 is turned over above the positioning bolt 5, the fixing plate 4 is pressed downwards, the positioning rod 12 is inserted into the fixing plate 4 and the clamping seat 13, and the position of the fixing plate 4 is fixed; when outside vibrations transmitted, mounting panel 6 drove sensor body 2 and reciprocates through damping spring 11 on positioning bolt 5 to can reduce the influence of outside vibrations to sensor body 2 top, simultaneously, elasticity telescopic link 10 can contract when receiving vibrations in sensor body 2 bottom, and cooperate the outside vibrations of 8 greatly reduced rubber buffer to the conveying efficiency of sensor body 2, thereby effectively reduce the vibrations that receive in sensor body 2 below.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a urea liquid level temperature sensor, includes mount pad (1), its characterized in that: the sensor comprises a mounting seat (1), a sensor body (2) is arranged inside the mounting seat (1), the sensor body (2) is arranged above the mounting seat (1), a fixing shaft (3) is arranged on one side of the top of the mounting seat (1), a fixing plate (4) is connected to the outside of the fixing shaft (3), one side of the lower side of the fixing plate (4) is abutted to a positioning bolt (5), the lower side of the positioning bolt (5) is arranged inside a mounting plate (6), the lower side of the sensor body (2) is fixedly connected with a base (7), a rubber buffer (8) is arranged at the bottom of the base (7), a base plate (9) is arranged below the rubber buffer (8), and a plurality of elastic telescopic rods (10) are arranged below the base plate (9).

2. A urea level temperature sensor according to claim 1, wherein: mounting panel (6) are located mount pad (1) outside, self bottom is located to positioning bolt (5) screw thread, positioning bolt (5) are in mounting panel (6) inside sliding connection.

3. A urea level temperature sensor according to claim 1, wherein: positioning bolt (5) quantity is four and evenly locates on four angles on mounting panel (6), damping spring (11) have been cup jointed to positioning bolt (5) outside, damping spring (11) are located both sides about mounting panel (6).

4. A urea level temperature sensor according to claim 1, wherein: the fixing plate (4) is rotatably connected to the outer portion of the fixing shaft (3), the fixing plate (4) is internally provided with a positioning bolt (5) with the same top end shape, and the top end of the positioning bolt (5) is embedded into the fixing plate (4).

5. A urea level temperature sensor according to claim 4, wherein: one side of the inner portion of the fixing plate (4) is connected with a positioning rod (12) in a penetrating mode, one end of the positioning rod (12) is connected with a clamping seat (13), and the clamping seat (13) is arranged on the edge of the fixing plate (4) and fixedly connected with the mounting seat (1).

6. A urea level temperature sensor according to claim 1, wherein: the rubber buffer pads (8) are made of soft rubber, the elastic telescopic rods (10) are spring telescopic rods, and the number of the elastic telescopic rods (10) is four and is uniformly arranged at four corners below the backing plate (9).

7. A urea level temperature sensor according to claim 1, wherein: the bottom of the elastic telescopic rod (10) is provided with a sucker (14), and the sucker (14) is a rubber vacuum sucker.