CN219220558U

CN219220558U - Urea nozzle seat

Info

Publication number: CN219220558U
Application number: CN202223442291.9U
Authority: CN
Inventors: 左伯华
Original assignee: Fenghong Weike Emission Control Technology Kunshan Co ltd
Current assignee: Fenghong Weike Emission Control Technology Kunshan Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-20
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the field of nozzle holders, and discloses a urea nozzle holder which comprises a mounting seat mounted on a mixer, wherein a jack is formed in the mixer, the mounting seat comprises a fixed seat shell, a heat insulation pad and a nozzle mounting fixing plate, a wrapping hole corresponding to the jack is formed in the upper surface of the heat insulation pad in a penetrating manner, a through hole and a plurality of threaded holes are formed in the upper surface of the nozzle mounting fixing plate, the through hole is correspondingly formed in the jack, the heat insulation pad is positioned in the fixed seat shell, the fixed seat shell is fixedly connected with the outer wall of the mixer, the heat insulation pad is attached to the outer wall of the mixer, and the nozzle mounting fixing plate is fixedly connected with the fixed seat shell.

Description

Urea nozzle seat

Technical Field

The utility model relates to the field of nozzle holders, in particular to a urea nozzle holder.

Background

In automobiles, urea is used to treat exhaust gases to reduce pollutants in the exhaust gases, optimize engine performance and fuel consumption. The urea can reduce nitrogen oxide in the automobile exhaust, reduce emission pollution and improve the environmental protection of the vehicle. When the urea solution is used, the urea solution in the urea box is generally directly sprayed into an exhaust pipe or a mixer or the inside of the exhaust pipe or the mixer by adopting a nozzle, the urea solution is fully mixed with automobile exhaust gas so as to treat the exhaust gas, and the nozzle is arranged on a nozzle seat on the exhaust pipe or the mixer for use.

In order to avoid the influence of excessive heat of the nozzle during use, the prior art makes various improvements on the nozzle seat, such as the urea nozzle mounting seat disclosed in the patent with the publication number of CN214741572U, which comprises a mounting seat body, wherein the mounting seat body is provided with a mounting hole for mounting urea spray, and the mounting seat body is provided with a heat exchange channel, a water inlet channel and a water outlet channel which are communicated with the heat exchange channel; the heat exchange channel comprises a transverse channel, a left longitudinal channel and a right longitudinal channel are communicated at two ends of the transverse channel, the left longitudinal channel, the transverse channel and the right longitudinal channel are arranged around the periphery of the mounting hole, the left longitudinal channel is communicated with the water inlet channel, and the right longitudinal channel is communicated with the water outlet channel; the water solution sequentially enters the left longitudinal channel, the transverse channel and the right longitudinal channel from the water inlet channel to exchange heat with the urea nozzle in the mounting hole, and is discharged from the water outlet channel, so that the heat exchange channel, the water inlet channel and the water outlet channel form a water circulation system, the temperature of the urea nozzle in the mounting hole can be effectively regulated, and the temperature of the urea solution is controlled within a set range.

The prior art has obvious beneficial effects, but has the following defects:

the mount pad among the above-mentioned prior art need the face of machine to add more when production, and the machined surface is complicated, and weight is heavy, and the commonality is poor, and aqueous solution temperature can increase gradually during practical application to reduce the radiating effect gradually, thereby the rubber spare on the nozzle on the mount pad is heated and is exceeded the temperature-resistant ability of rubber itself because of the heat conduction problem and lead to the durability to descend, influences life. For this purpose, a urea nozzle holder is proposed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a urea nozzle seat, which aims to solve the problems of complex processing, poor universality and poor radiating effect on a nozzle of the nozzle seat proposed by the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a urea nozzle holder, including installing the mount pad on the blender, the jack has been seted up on the blender, the mount pad includes fixing base casing, heat insulating mattress and nozzle installation fixed plate, the upper surface of heat insulating mattress runs through and has been seted up and correspond the parcel hole with the jack, through-hole and a plurality of screw holes have been seted up to the upper surface of nozzle installation fixed plate, the through-hole corresponds the setting with the jack, the heat insulating mattress is located the fixing base casing, fixing base casing and the outer wall fixed connection of blender, the laminating of heat insulating mattress and the outer wall of blender, nozzle installation fixed plate and fixing base casing fixed connection.

Preferably, the jack is a flanging, and the wrapping hole on the heat insulation pad is sleeved outside the flanging of the jack.

Preferably, the fixing seat shell is fixedly connected with the mixer through welding, and the nozzle mounting fixing plate is fixedly connected with the fixing seat shell through welding.

Preferably, the lower end outer wall of the nozzle mounting fixing plate is provided with a mounting groove matched with the fixing seat shell.

Preferably, the upper surface of the nozzle mounting and fixing plate is provided with a plurality of notches, heat dissipation strips are fixedly connected in the notches, and the heat dissipation strips positioned at the innermost side are correspondingly arranged with a plurality of threaded holes.

Preferably, the heights of the heat dissipation strips decrease sequentially from inside to outside.

Preferably, the outer wall of the heat dissipation strip is provided with a plurality of heat dissipation holes.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the fixing seat shell, the heat insulation pad and the fixing seat shell are arranged for bearing the nozzle, so that the machining difficulty is reduced, the processing amount is reduced, the mixers with different diameters can be met by only changing the blanking size of the fixing seat shell, and meanwhile, the heat insulation pad is added, the heat transfer is reduced, and the service life of the nozzle is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall blasting architecture of the present utility model;

FIG. 3 is a schematic cross-sectional view of the whole of the present utility model;

fig. 4 is a schematic structural diagram of a mounting manner of the heat dissipating strip and the fixing plate according to the present utility model.

In the figure: 1. a mixer; 2. a jack; 3. a nozzle mounting fixing plate; 4. a through hole; 5. a heat insulating mat; 6. a wrapping hole; 7. a fixed seat shell; 8. a heat dissipation strip; 9. a threaded hole; 10. a notch; 11. a heat radiation hole; 12. and a mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1-4, a urea nozzle holder comprises a mounting seat mounted on a mixer 1, wherein a jack 2 is formed in the mixer 1, the mounting seat comprises a fixing seat shell 7, a heat insulation pad 5 and a nozzle mounting fixing plate 3, a wrapping hole 6 corresponding to the jack 2 is formed in the upper surface of the heat insulation pad 5 in a penetrating manner, a through hole 4 and a plurality of threaded holes 9 are formed in the upper surface of the nozzle mounting fixing plate 3, the through hole 4 is correspondingly formed in the jack 2, the heat insulation pad 5 is located in the fixing seat shell 7, the fixing seat shell 7 is fixedly connected with the outer wall of the mixer 1, the heat insulation pad 5 is attached to the outer wall of the mixer 1, and the nozzle mounting fixing plate 3 is fixedly connected with the fixing seat shell 7.

Referring to fig. 1-4, the urea nozzle holder of the present utility model has a similar structure to the existing urea nozzle holder, such as a urea nozzle holder disclosed in the patent publication No. CN214741572U, and the main improvement of the present utility model is the structure of the urea nozzle holder. The mixer 1 in the present utility model may be an exhaust pipe; when the mounting seat is mounted on the mixer 1, firstly, the heat insulation pad 5 is attached to the mixer 1, the wrapping hole 6 is aligned with the insertion hole 2, at the moment, the fixed seat shell 7 which is formed by punching and matched with the outer wall of the mixer 1 is sleeved outside the heat insulation pad 5, the fixed seat shell 7 is fixedly connected with the mixer 1, at the moment, the nozzle mounting fixing plate 3 is placed on the fixed seat shell 7, the through hole 4 corresponds to the insertion hole 2 and the wrapping hole 6, the nozzle mounting fixing plate 3 is fixed on the fixed seat shell 7, the external nozzle is inserted into the through hole 4, the wrapping hole 6 and the insertion hole 2 to the mixer 1 during mounting, and the heat insulation pad 5 is made of materials with small thermal conductivity and high temperature resistance through bolts and is mounted with the threaded hole 9.

Referring to fig. 3, the insertion hole 2 is a flanging hole, the wrapping hole 6 on the heat insulation pad 5 is sleeved outside the flanging hole of the insertion hole 2, the protruding portion of the insertion hole 2 arranged in the flanging hole penetrates through the wrapping hole 6 on the heat insulation pad 5, the heat insulation pad 5 can be positioned, and meanwhile, the phenomenon that the insertion hole 2 is partially crystallized due to urea solution when spraying can be reduced by the insertion hole 2 arranged in the flanging hole.

Referring to fig. 1 and 3, the fixing base housing 7 is fixedly connected with the mixer 1 by welding, the nozzle mounting fixing plate 3 is fixedly connected with the fixing base housing 7 by welding, and the fixing base housing 7 and the nozzle mounting fixing plate 3 are conveniently and quickly mounted by fixedly connecting in a welding manner, so that the mounting strength is high, and the damage and the replacement are convenient.

Referring to fig. 4, an installation groove 12 matching with the fixing seat housing 7 is provided on the outer wall of the lower end of the nozzle installation fixing plate 3, when the nozzle installation fixing plate 3 is installed on the fixing seat housing 7, the installation groove 12 on the nozzle installation fixing plate 3 is firstly located in the insertion fixing seat housing 7, the installation groove 12 is used for positioning the nozzle installation fixing plate 3, and the connection strength can be increased after the nozzle installation fixing plate 3 and the fixing seat housing 7 are fixed in a welding manner, so that the service life is prolonged.

Referring to fig. 4, a plurality of slots 10 are formed in the upper surface of the nozzle mounting and fixing plate 3, heat dissipation strips 8 are fixedly connected in the slots 10, the heat dissipation strips 8 positioned at the innermost side are arranged corresponding to the threaded holes 9, the heat dissipation strips 8 can dissipate heat received by the nozzle mounting and fixing plate 3 so as to reduce the influence of the heat on the nozzle, and meanwhile, the innermost heat dissipation strips 8 can also position the nozzle so as to align the nozzle with the threaded holes 9 and facilitate the installation of the nozzle; when the heat dissipation strip 8 is installed, the heat dissipation strip 8 is inserted into the notch 10 from inside to outside in the installation sequence, and the heat dissipation strip 8 is installed on the nozzle installation fixing plate 3 in an interference fit mode or in a welding mode, so that the use is convenient.

Referring to fig. 4, the heights of the heat dissipation strips 8 decrease gradually from inside to outside, the heights of the heat dissipation strips 8 are different, the outside heat dissipation strip 8 does not block the inside heat dissipation strip 8, the heat dissipation effect of the inside heat dissipation strip 8 is better, the outside heat dissipation strip 8 is not affected by the heat dissipation of the inside heat dissipation strip 8, and the heat dissipation to the nozzle mounting and fixing plate 3 is increased.

Referring to fig. 4, a plurality of heat dissipation holes 11 are formed in the outer wall of the heat dissipation strip 8, and the heat dissipation holes 11 can further increase the dissipation of the heat dissipation strip 8 after heat conduction, so as to increase the heat dissipation effect of the heat dissipation strip 8 on the nozzle mounting and fixing plate 3.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a urea nozzle holder, including installing the mount pad on blender (1), a serial communication port, jack (2) have been seted up on blender (1), the mount pad includes fixing base casing (7), heat insulating pad (5) and nozzle installation fixed plate (3), the upper surface of heat insulating pad (5) runs through and has been seted up and correspond parcel hole (6) with jack (2), through-hole (4) and a plurality of screw hole (9) have been seted up to the upper surface of nozzle installation fixed plate (3), through-hole (4) correspond the setting with jack (2), heat insulating pad (5) are located fixing base casing (7), fixing base casing (7) and the outer wall fixed connection of blender (1), heat insulating pad (5) are laminated with the outer wall of blender (1), nozzle installation fixed plate (3) and fixing base casing (7) fixed connection.

2. A urea nozzle holder according to claim 1, characterized in that the insertion hole (2) is provided as a turned-out edge, and the wrapping hole (6) on the heat insulating pad (5) is arranged outside the turned-out edge of the insertion hole (2).

3. A urea nozzle holder according to claim 1, characterized in that the holder housing (7) is fixedly connected to the mixer (1) by welding, and the nozzle mounting plate (3) is fixedly connected to the holder housing (7) by welding.

4. A urea nozzle holder according to claim 1, characterized in that the outer wall of the lower end of the nozzle mounting and fixing plate (3) is provided with a mounting groove (12) matching the fixing seat housing (7).

5. A urea nozzle holder according to any one of claims 1-4, characterized in that the upper surface of the nozzle mounting and fixing plate (3) is provided with a plurality of notches (10), the notches (10) are fixedly connected with heat dissipation strips (8), and the heat dissipation strips (8) located at the innermost side are arranged corresponding to the threaded holes (9).

6. A urea nozzle holder according to claim 5, characterized in that the height of the heat sink strips (8) decreases in sequence from inside to outside.

7. A urea nozzle holder according to claim 5, characterized in that the outer wall of the heat sink strip (8) is provided with a plurality of heat sink holes (11).