CN211553006U

CN211553006U - Limit structure of liquid level floater of liquid level sensor

Info

Publication number: CN211553006U
Application number: CN202020570358.9U
Authority: CN
Inventors: 周健; 陆小红; 郭宇斌; 俞斌; 李子文
Original assignee: Wuxi United Trinity Electronics Co ltd
Current assignee: Wuxi United Trinity Electronics Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-09-22
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to a limit structure of a liquid level float of a liquid level sensor, which comprises a mounting base, wherein a liquid level pipe is arranged on the lower surface of the mounting base along the direction vertical to the mounting base; still include the metal retaining ring, the structure of metal retaining ring includes the bottom plate, and there are first axial brace rod bottom plate both sides along vertical extension respectively, open at the bottom plate middle part has the confession the through-hole wherein is worn to locate by the liquid level pipe, two first axial brace rod symmetries set up, and have the linkage segment in the outside horizontal extension in the top respectively, and the metal retaining ring passes through the through-hole with the liquid level pipe along radial fixed stay, passes through simultaneously linkage segment and mounting base's lower fixed surface is connected. The utility model discloses a limit structure has mainly adopted metal material, multiple spot bearing structure design to conceive, has strengthened structural strength, has improved self resistance external force destruction and the ability of warping to ensure liquid level height measurement's accuracy, improve the life and the measurement accuracy of sensor greatly.

Description

Limit structure of liquid level floater of liquid level sensor

Technical Field

The utility model belongs to the technical field of the limit structure technique of car urea sensor urea liquid level and specifically relates to a limit structure of level sensor liquid level float.

Background

In the prior art, most of the limiting check rings of the liquid level floats of the automobile urea liquid level sensors commonly used in the market are made of plastic materials and sleeved on the liquid level pipe, or are made of metal materials and welded on the liquid level pipe. The liquid level height measuring device has the advantage of economical compactness, but due to the problems of material selection and structure, the liquid level height measuring device has poor self-resistance to external force damage and deformation, and is easy to cause liquid level height measuring misalignment.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides a limiting structure of a liquid level float of a liquid level sensor, which is reasonable in structure, high in structural strength and strong in capability of resisting external force damage and deformation.

The utility model discloses the technical scheme who adopts as follows:

a limit structure of a liquid level float of a liquid level sensor comprises a mounting base, wherein a liquid level pipe is arranged on the lower surface of the mounting base along the direction vertical to the mounting base; still include the metal retaining ring, the structure of metal retaining ring includes the bottom plate, and there are first axial brace rod bottom plate both sides along vertical extension respectively, open at the bottom plate middle part has the confession the through-hole wherein is worn to locate by the liquid level pipe, two first axial brace rod symmetries set up, and have the linkage segment in the outside horizontal extension in the top respectively, and the metal retaining ring passes through the through-hole with the liquid level pipe along radial fixed stay, passes through simultaneously linkage segment and mounting base's lower fixed surface is connected.

As a further improvement of the above technical solution:

a supporting piece is arranged in a gap formed by the two first axial supporting ribs of the metal retainer ring and the liquid level pipe, the supporting piece is integrally in a U-shaped structure and is arranged in the direction vertical to the liquid level pipe, and the liquid level pipe is surrounded in the supporting piece; the U-shaped structure is provided with two second axial support ribs which are symmetrically arranged, and the top ends and the bottom ends of the two second axial support ribs are respectively abutted against the lower surface of the mounting base and the upper surface of the bottom plate.

The two second axial support ribs and the two first axial support ribs form four support structures which are vertical to the mounting base.

The top end and the bottom end of the second axial support rib are respectively welded, riveted or screwed with the lower surface of the mounting base and the upper surface of the bottom plate.

The first axial support rib is provided with a guide oblique angle along the axial direction of the liquid level pipe.

The connecting section and the mounting base are welded, riveted or screwed.

And a liquid level floater is sleeved on the liquid level pipe below the metal retainer ring.

The utility model has the advantages as follows:

the utility model has the advantages of compact and reasonable structure, convenient operation, the utility model discloses a limit structure has mainly adopted metal material, multiple spot bearing structure design to conceive, has strengthened structural strength, has improved self and has resisted the ability that external force destroyed and warp to ensure liquid level height measurement's accuracy, improve the life and the measurement accuracy of sensor greatly.

The utility model discloses the mode that metal retaining ring's primary shaft brace rod adopted to contain the mounting screw and surrounds at support piece's outer lane with mounting base fixed connection, and secondary shaft brace rod plays the supporting role to mounting base's stress surface, and the trapezium structure of primary shaft brace rod forms the direction oblique angle along liquid level pipe axial direction, further increases mounting panel atress intensity, and support piece's secondary shaft brace rod is wrapping up the liquid level pipe, has the some of anticollision.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural diagram of the metal retainer ring of the present invention.

Fig. 4 is a front view of the present invention.

Fig. 5 is a side sectional view of the present invention.

Wherein: 1. mounting a base; 2. a support member; 3. a metal retainer ring; 4. a liquid level float; 5. a liquid level tube; 21. a second axial support rib; 31. a base plate; 32. a first axial support rib; 33. a connecting section; 34. and a through hole.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-3, the limit structure of the liquid level float of the liquid level sensor of the present embodiment includes a mounting base 1, and a liquid level pipe 5 is installed on the lower surface of the mounting base 1 along a direction perpendicular thereto; still include metal retaining ring 3, metal retaining ring 3's structure includes bottom plate 31, bottom plate 31 both sides have first axial brace rod 32 along vertical extension respectively, bottom plate 31 middle part is opened has the through-hole 34 that supplies liquid level pipe 5 to wear to locate wherein, and two first axial brace rod 32 symmetries set up, and have linkage segment 33 at the outside horizontal extension in top respectively, and metal retaining ring 3 passes through-hole 34 with liquid level pipe 5 along radial fixed support, simultaneously through linkage segment 33 and mounting base 1's lower fixed connection. The liquid level float 4 is sleeved on the liquid level pipe 5 which is positioned below the metal retainer ring 3.

A supporting piece 2 is arranged in a gap formed by the two first axial supporting ribs 32 of the metal retainer ring 3 and the liquid level pipe 5, the supporting piece 2 is integrally in a U-shaped structure and is arranged along the direction vertical to the liquid level pipe 5, and the liquid level pipe 5 is surrounded in the supporting piece 2; the U-shaped structure has two second axial support ribs 21 symmetrically arranged, and top ends and bottom ends of the two second axial support ribs 21 are respectively abutted to the lower surface of the mounting base 1 and the upper surface of the bottom plate 31.

As shown in fig. 4, the two second axial support ribs 21 and the two first axial support ribs 32 form four support structures arranged perpendicular to the mounting base 1.

The top end and the bottom end of the second axial support rib 21 are respectively welded, riveted or screwed with the lower surface of the mounting base 1 and the upper surface of the bottom plate 31.

As shown in fig. 3 and 5, the first axial support rib 32 may be configured to have a trapezoidal cross section or other structures, so that the first axial support rib 32 has a guiding oblique angle along the axial direction of the liquid level pipe 5.

The connecting section 33 and the mounting base 1 are welded, riveted or screwed.

The utility model discloses level sensor liquid level float's limit structure is rational in infrastructure, and structural strength is high, resists external force destruction and the strong ability of deformation, has the anticollision function, ensures liquid level height measurement's accuracy to improve the life and the measurement accuracy of sensor greatly.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a limit structure of level sensor liquid level float which characterized in that: the device comprises a mounting base (1), wherein a liquid level pipe (5) is arranged on the lower surface of the mounting base (1) along the direction vertical to the mounting base; still include metal retaining ring (3), the structure of metal retaining ring (3) includes bottom plate (31), and bottom plate (31) both sides have first axial brace rod (32) along vertical extension respectively, open bottom plate (31) middle part has the confession liquid level pipe (5) wear to locate through-hole (34) wherein, two first axial brace rod (32) symmetry set up, and have linkage segment (33) at the outside horizontal extension in top respectively, and metal retaining ring (3) pass through-hole (34) with liquid level pipe (5) along radial fixed support, pass through simultaneously linkage segment (33) are connected with the lower fixed surface of mount base (1).

2. The limit structure of the level sensor level float of claim 1, wherein: a supporting piece (2) is arranged in a gap formed by two first axial supporting ribs (32) of the metal retainer ring (3) and the liquid level pipe (5), the supporting piece (2) is integrally in a U-shaped structure and is arranged in the direction vertical to the liquid level pipe (5), and the liquid level pipe (5) is surrounded in the supporting piece; the U-shaped structure is provided with two second axial support ribs (21) which are symmetrically arranged, and the top ends and the bottom ends of the two second axial support ribs (21) are respectively abutted against the lower surface of the mounting base (1) and the upper surface of the bottom plate (31).

3. The limit structure of the level sensor level float of claim 2, wherein: the two second axial support ribs (21) and the two first axial support ribs (32) form four support structures which are vertically arranged with the mounting base (1).

4. The limit structure of the level sensor level float of claim 2, wherein: the top end and the bottom end of the second axial support rib (21) are respectively welded, riveted or screwed with the lower surface of the mounting base (1) and the upper surface of the bottom plate (31).

5. The limit structure of the level sensor level float of claim 1, wherein: the first axial support rib (32) has a guide bevel angle along the axial direction of the liquid level pipe (5).

6. The limit structure of the level sensor level float of claim 1, wherein: the connecting section (33) and the mounting base (1) are welded, riveted or screwed.

7. The limit structure of the level sensor level float of claim 1, wherein: and a liquid level floater (4) is sleeved on the liquid level pipe (5) positioned below the metal retainer ring (3).