CN217887197U

CN217887197U - Urea water tank is fixed buckle structure for filter screen

Info

Publication number: CN217887197U
Application number: CN202221947759.7U
Authority: CN
Inventors: 池长风
Original assignee: Jiangsu Benteng Auto Tech Co ltd
Current assignee: Jiangsu Benteng Auto Tech Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-25
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a fixed buckle structure for a urea water tank filter screen, which comprises a body and a limit step arranged at the bottom end of the body; the fixing buckle structure includes: the mounting frame is provided with a first fixing structure and a connecting structure, the first fixing structure is used for fixedly mounting the filter screen, the outline of the first fixing structure is matched with the shape of the filter screen, the connecting structure is used for connecting a heating pipeline, and clamping holes are formed in two sides of the first fixing structure respectively; the two ends of the second fixing structure are suitable for being respectively clamped in the clamping holes, and the upper end surface of the second fixing structure during installation is implemented as a lapping surface for lapping and pressing the bottom end surface of the limiting step; the first fixing structure is provided with a limiting part which is abutted against the top end surface of the limiting step. Simple structure, the equipment is changed conveniently, has solved the big and unable problem of continuing the use after damaging of the change filter screen degree of difficulty that adopts the automatic buckle structure of kick-backing of integral type to fix the filter screen to lead to among the prior art.

Description

Urea water tank is fixed buckle structure for filter screen

Technical Field

The utility model relates to an automobile-used urea water tank technical field specifically relates to a urea water tank is fixing clip structure for filter screen.

Background

The water supply urea water assembly in the automobile urea water tank is provided with a filter screen due to more impurities, and the filter screen filters the impurities. However, due to the high level of impurities, it is often necessary to replace the screen periodically. And the filter screen that supplies among the urea water assembly among the prior art is through adopting the automatic buckle structure fixed mounting that kick-backs of integral type, and this structure once assembles conveniently, and nevertheless the degree of difficulty is great when changing the filter screen in the later stage, and buckle structure is after repetitious usage moreover, and the life-span shortens, in case damage just can't continue to use.

SUMMERY OF THE UTILITY MODEL

At least one to the technical problem that above-mentioned exists, the utility model aims at providing a urea water tank is fixed buckle structure for filter screen.

The technical scheme of the utility model is that:

the utility model aims to provide a fixed buckle structure for a urea water tank filter screen, which comprises a body and a limit step arranged at the bottom end of the body; the fixing buckle structure comprises:

the mounting frame is provided with a first fixing structure and a connecting structure, the first fixing structure is used for fixedly mounting the filter screen, the outline of the first fixing structure is matched with the shape of the filter screen, the connecting structure is used for connecting a heating pipeline, and clamping holes are formed in two sides of the first fixing structure respectively;

the two ends of the second fixing structure are suitable for being respectively clamped in the clamping holes, and the upper end surface of the second fixing structure during installation is implemented as a lapping surface for lapping and pressing the bottom end surface of the limiting step;

the first fixing structure is provided with a limiting part which is abutted against the top end face of the limiting step.

Preferably, the mounting rack is cylindrical, two opposite arc-shaped fixing parts are formed on the side wall of the bottom end of the mounting rack at intervals, the bending directions of the two arc-shaped fixing parts are opposite, and a mounting area matched with the limiting step is defined between the two arc-shaped fixing parts;

the two arc-shaped fixing parts are respectively provided with one clamping hole.

Preferably, one of the two clamping holes is a square hole which radially penetrates through one of the arc-shaped fixing portions, and the other clamping hole radially penetrates through the other arc-shaped fixing portion and extends to the axial bottom end of the arc-shaped fixing portion, so that an open T-shaped hole is formed in the axial bottom end wall.

Preferably, the limiting parts are stoppers or arc-shaped stop bars which are respectively formed on the axial top end surfaces of the two arc-shaped fixing parts and extend inwards along the radial direction.

Preferably, the second fixing structure comprises:

the body is of a U-shaped structure;

the first buckling part is arranged at one end of the body, which is opposite to the opening of the U-shaped structure;

the second buckling part is composed of two side walls at the opening of the body, and the two side walls at the opening of the body are elastic.

Preferably, two side walls at the opening of the body are S-shaped.

Preferably, the body is arc-shaped.

Preferably, the first fastening part is formed on a lower end surface of the body when mounted.

Preferably, the second fixing structure further comprises:

and the connecting ribs are arranged at the positions close to the opening of the body and are connected with the two side walls of the body.

Preferably, the connecting rib is arc-shaped.

Compared with the prior art, the utility model has the advantages that:

the utility model discloses a urea water tank is fixed buckle structure for filter screen, simple structure, the equipment is changed conveniently, has solved the problem that can't continue to use after the change filter screen degree of difficulty that adopts the automatic fixed filter screen of buckle structure of kick-backing of integral type to lead to damages greatly among the prior art.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a schematic structural view of a second fixing structure of a fixing buckle structure for a urea water tank filter screen according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an angle of a mounting rack of a fixing buckle structure for a urea water tank filter screen according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another angle of the mounting bracket of the fixing buckle structure for the urea water tank filter screen according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of a fixing buckle structure for a urea water tank filter screen and a filter screen assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a urea water tank strainer according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a fixed buckle structure for a filter screen of a urea water tank and a structure of the filter screen installed on a heating pipe of a urea water supply assembly according to an embodiment of the present invention;

fig. 7 is the utility model discloses a urea water tank is fixed buckle structure and filter screen for filter screen are installed on the heating tube who supplies the urea water assembly and the lower terminal surface of second fixed knot structure local magnification structure sketch map up.

Wherein: 10. a mounting frame; 20. a first fixed structure; 21. an arc-shaped fixing part; 22. a first card hole; 23. a second card hole; 24. a limiting part; 30. a second fixed structure; 31. a body; 32. a lapping surface; 33. a first buckle part; 34. a second opening; 35. a second fastening part; 36. connecting ribs; 40. filtering with a screen; 41. a limiting step; 50. the pipeline is heated.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1 to 7, the fixing clip structure for the urea water tank filter screen according to the embodiment of the present invention includes a mounting frame 10 and a second fixing structure 30. The first mounting frame 10 is provided with a first fixing structure 20, and the first fixing structure 20 and the second fixing structure 30 cooperate to form a fixing buckle structure for the filter screen 40. The bottom end of the filter screen 40 is provided with a limit step, and the limit step is overlapped on the upper end surface of the second fixing structure 30 during installation, and for convenience of description, the upper end surface of the second fixing structure 30 during installation is implemented as an overlapping surface 32. The first fixing structure 20 has a contour matching the outer shape of the filter screen 40 and has fastening holes formed at both sides thereof. The two ends of the second fixing structure 30 are respectively clamped in the clamping holes, and the first fixing structure 20 is further provided with a limiting portion 24 for the top end surface of the limiting step 41 to abut against. When the filter screen is installed, the filter screen 40 is first put into the first fixing structure 20 from the bottom upwards, so that the top end surface of the limiting step 41 is close to the limiting part 24. Then, the two ends of the second fixing structure 30 are respectively clamped into the clamping holes of the first fixing structure 20, so that the overlapping surface 32 is pressed against the bottom end of the limiting step 41 to apply a pushing force to the limiting step, and the top end of the limiting step 41 abuts against the limiting portion 24, thereby completing the installation and fixation of the filter screen 40. When replacing the filter screen 40, only the two ends of the second fixing structure 30 need to be taken out from the clamping holes, and then the filter screen 40 is taken out from the bottom. Simple structure, the equipment is changed conveniently, has solved among the prior art and has adopted the automatic fixed filter screen 40 degree of difficulty of kick-back buckle structure of integral type to lead to change the problem that can't continue to use after big and damaging of filter screen 40 degree of difficulty.

According to some embodiments of the utility model, as shown in fig. 3, the mounting bracket 10 is cylindricly, is formed with two relative and arc fixed part 21 that the interval set up on the bottom lateral wall of mounting bracket 10, and the crooked opposite direction of two arc fixed part 21 also is that the centre of a circle of two arc fixed part 21 all is in interval area between the two in order to make and inject between two arc fixed part 21 and spacing step 41 assorted installing zone. In the embodiment of the present invention, as shown in fig. 5, the filter screen 40 and the limiting step 41 are both arc-shaped, so the installation area and the second fixing structure 30 are also arc-shaped. Two arc-shaped fixing portions 21 are respectively provided with a clamping hole so as to facilitate the clamping of two ends of the second fixing structure 30. It should be noted that, regarding the specific structure of the mounting frame 10, the mounting frame further includes a plurality of arc-shaped fastening portions for connecting with the heating pipeline 50 and the water pipe, which are not described and limited in detail, and are not the innovative points of the present invention.

It should be noted that, in order to facilitate the two ends of the second fixing structure 30 to be taken out from the clipping holes, one or two of the clipping holes may be alternatively configured as a clipping hole with an open bottom so as to be taken out from the opening. Alternatively, the clamping end portion to be clamped in the clamping hole may be provided with sufficient elastic deformation capability to allow the clamping end portion to be forcibly deformed by pressure to be removed from the clamping hole when the clamping end portion is removed. Yet another alternative is a combination of the two above. In the preferred embodiment of the present invention, as shown in fig. 2, of the two card holes, for convenience of description, one of the card holes is described as a first card hole 22, and the other card hole is described as a second card hole 23. One of the clamping holes, i.e., the first clamping hole 22, is a square hole radially penetrating through one of the arc-shaped fixing portions 21, i.e., the arc-shaped fixing portion 21 on the left side shown in fig. 2, and the other clamping hole, i.e., the second clamping hole 23, is a square hole radially penetrating through the other arc-shaped fixing portion 21, i.e., the arc-shaped fixing portion 21 on the right side shown in fig. 2, and extending to the axial bottom end of the arc-shaped fixing portion 21, i.e., the top end of the arc-shaped fixing portion 21 on the right side shown in fig. 2, so as to form an open T-shaped hole on the axial bottom end wall, i.e., the second clamping hole 23 is formed by a clamping part and an open part. For ease of distinction from the opening of the second securing structure 30 described below, the opening is described herein as the first opening. Specifically, the caliber of the first opening is smaller than that of the clamping position. Through setting one of the clamping holes into the clamping hole with the opening and the T-shaped structure, when the filter screen 40 is replaced conveniently, the clamping end part of the second fixing structure 30 matched with the second clamping hole 23 is taken out through the first opening, and the clamping end part of the second fixing structure 30 is blocked and interfered by the side wall outside the clamping position, namely the side walls on two sides of the first opening, and is fixed. It should be noted that, in order to facilitate the removal of the clamping end portion of the second fixing structure 30, which is engaged with the second clamping hole 23, from the narrow first opening, the clamping end portion is designed to have sufficient elastic deformation.

Specifically, as shown in fig. 1, the second fixing structure 30 includes a body 31, a first buckle portion 33, and a second buckle portion 35. The body 31 is of a U-shaped structure, that is, the body 31 is provided with an opening, and for the convenience of distinguishing and describing the opening from the first opening of the second card hole 23, the opening is described as a second opening 34. The first buckle portion 33 is provided on an end of the body 31 opposite to the second opening 34, that is, a right end as shown in fig. 1. The second buckle portion 35 is formed by two side walls at the second opening 34 of the body 31, and the two side walls at the second opening 34 of the body 31 have elasticity. Preferably, in order to facilitate subsequent removal, the side walls at the two sides of the second opening 34 can be removed from the first opening by pressing the side walls inwards so that the side walls are deformed, and the two side walls at the second opening 34 are designed to be curved, and preferably, as shown in fig. 1, the two side walls at the second opening 34 are designed to be substantially S-shaped.

As shown in fig. 1, the body 31 is formed in an arc shape in order to match the limit step 41 of the filter net 40 for better fixing.

According to some embodiments of the present invention, as shown in fig. 1 and 7, the first fastening portion 33 is formed on the lower end surface of the body 31 when mounted, that is, the surface opposite to the overlapping surface 32. Without being disposed on the side of the faying surface 32, interference with the limit step 41 can be avoided. Nor at the ends, the overall length of the second fixing structure 30 can be reduced. And the subsequent second fixing structure 30 can be taken out from the second clamping hole 23 and then taken out from the first clamping hole 22 quickly.

According to some embodiments of the present invention, as shown in fig. 1, the second fixing structure 30 further includes a connecting rib 36. The connecting rib 36 is disposed near the opening of the body 31, i.e., the second opening 34, and connects two sidewalls of the body 31. It should be noted that the connecting rib 36 has elasticity, and plays a role of elasticity and strength increase. Preferably, the connecting ribs 36 are arc-shaped. And is curved toward the second opening 34.

Preferably, the second fixing structure 30 is a fastener made of a spring sheet.

According to some embodiments of the present invention, as shown in fig. 2 and 3, the limiting portion 24 is an arc-shaped barrier strip formed on the axial top end surfaces of the two arc-shaped fixing portions 21 and extending radially inward. As an alternative embodiment, the limiting portion 24 may be only a stopper structure, and only needs to be able to abut against the top end surface of the limiting step 41 during installation to form interference for limiting.

As shown in fig. 6 and 7, the fixing clip structure according to the embodiment of the present invention, during installation, the filter screen 40 is installed in the installation area of the first fixing structure 20 from the bottom in the downward and upward direction shown in fig. 6, so that the top end surface of the limiting step 41 of the filter screen 40 is close to the limiting portion 24, then the first clip portion 33 of the second fixing structure 30 is clipped into the first clip hole 22, and then the second clip portion 35, i.e. the two side walls of the second opening 34, is pressed, so that the second clip portion 35 can enter the clip portion through the second opening 34, and then the two side walls of the second opening 34 are loosened, at this time, the overlapping surface 32 of the second fixing structure 30 abuts on the bottom end surface of the limiting step 41 and applies upward thrust thereto, so that the top end surface of the limiting step 41 abuts on the lower end surface of the limiting portion 24, thereby completing the fixing and installation of the filter screen 40. When the filter screen 40 needs to be replaced, only the second fastening portion 35, that is, two side walls of the second opening 34, needs to be pressed, so that the second fastening portion 35 can be taken out from the second fastening hole 23 through the second opening 34, the first fastening portion 33 is taken out from the first fastening hole 22, and then the filter screen 40 is taken out from the mounting area for replacement. The assembly and disassembly are convenient. When the second fixing structure 30 is damaged after being used for multiple times, only the second fixing structure 30 may be replaced, and similarly, when the first fixing structure 20 is damaged after being used for multiple times, only the mounting frame 10 may be replaced. The whole fixing buckle structure does not need to be replaced at the same time, so that the use cost can be greatly reduced.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A fixed buckle structure for a urea water tank filter screen comprises a body and a limiting step arranged at the bottom end of the body; its characterized in that, fixed buckle structure include:

the two ends of the second fixing structure are suitable for being respectively clamped in the clamping holes, and the upper end face of the second fixing structure during installation is implemented as a lapping surface for lapping and pressing the bottom end face of the limiting step;

2. The fixing buckle structure for the urea water tank filter screen as recited in claim 1, wherein the mounting bracket is cylindrical, two opposite arc-shaped fixing portions are formed on a side wall of a bottom end of the mounting bracket at intervals, bending directions of the two arc-shaped fixing portions are opposite, and a mounting area matched with the limiting step is defined between the two arc-shaped fixing portions;

3. The structure of claim 2, wherein one of the two locking holes is a square hole radially penetrating one of the arc-shaped fixing portions, and the other locking hole radially penetrates the other arc-shaped fixing portion and extends to an axial bottom end of the arc-shaped fixing portion, so that an open T-shaped hole is formed in an axial bottom end wall.

4. The fixing buckle structure for the urea water tank filter screen as claimed in claim 1, wherein the limiting portion is a stopper or an arc-shaped barrier strip formed on the axial top end surfaces of the two arc-shaped fixing portions, respectively, and extending radially inward.

5. The fixture clip structure for a urea water tank filter screen according to claim 1, wherein the second fixture structure comprises:

the body is of a U-shaped structure;

and the second buckling part is formed by two side walls at the opening of the body, and the two side walls at the opening of the body have elasticity.

6. The fixing buckle structure for the urea water tank filter screen as claimed in claim 5, wherein two side walls at the opening of the body are S-shaped.

7. The fixture clip structure for the urea water tank filter screen according to claim 5, wherein the body is arc-shaped.

8. The structure of claim 5, wherein the first fastening portion is formed on a lower end surface of the body when the body is mounted.

9. The structure of any one of claims 5 to 8, wherein the second fixing structure further comprises:

10. The structure of claim 9, wherein the connecting rib is curved.