CN218062435U - Integrated assembly of lightweight urea case oil tank - Google Patents

Abstract

The utility model discloses a lightweight urea tank and oil tank integrated assembly, which comprises a urea tank and oil tank bracket assembly, wherein an oil tank body is arranged on the urea tank and oil tank bracket assembly, an embedded groove is arranged at the middle part of the top end of the oil tank body, the urea tank body is arranged at the inner side of the embedded groove, and a heat insulation pad is connected between the oil tank body and the urea tank body in a sticking way; the utility model discloses integrated assembly of lightweight urea case oil tank, embedded the design of arranging around this integrated assembly of lightweight urea case oil tank adopts, easy maintenance and change low cost, urea case support assembly and diesel filter support have been reduced, it falls to heavily descending originally, it is compacter to arrange on the chassis simultaneously, it has the advantage to make short-wheelbase motorcycle type development, measurement jet pump and diesel filter double integration, be favorable to improving assembly efficiency, satisfy all present measurement jet pumps and urea case liquid level temperature quality sensor's assembly size, the lightweight has, the integrated level is high, therefore, the commonality is strong, characteristics such as installation easy maintenance.

Description

Integrated assembly of lightweight urea case oil tank

Technical Field

The utility model relates to a commercial car urea oil tank technical field specifically is the integrated assembly of lightweight urea case oil tank.

Background

The implementation of a new national standard GB1589 enables the light weight to become an industry trend, the blue card light card market supervision is tightened, the ' compliance ', light weight and comfort ' of each host factory are improved in the direction, and a mainstream competitive product successively releases new products to grab the market. With the recent issuance of notification on further enhancement of production and registration management work of light trucks and small and miniature passenger vehicles, the light weight becomes more competitive in the core of the whole vehicle, and the existing urea tank and the oil tank are independently installed, so that the weight space is further reduced. Common urea tank and oil tank integrated assemblies, such as a combined module of a urea liquid supply system and a plastic fuel tank for a light commercial vehicle with the application number of 201810309842.3, have the following defects:

1. the integration cost is high, the structure is complex, and the later maintenance and overhaul work is inconvenient;

2. the assembly process is relatively complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated assembly of lightweight urea case oil tank to the integrated cost of the integrated assembly of current urea case oil tank that proposes in solving above-mentioned background art is high, the maintenance work in later stage of being not convenient for and the loaded down with trivial details problem of assembly flow.

In order to achieve the above object, the utility model provides a following technical scheme: integrated assembly of lightweight urea case oil tank, including urea case oil tank support assembly, be equipped with the oil tank box on the urea case oil tank support assembly, the embedded groove has been seted up at the middle part on oil tank box top, the inboard of embedded groove is equipped with the urea box, it is connected with the heat insulating mattress to paste between oil tank box and the urea box, the middle part fixed mounting on oil tank box top has oil mass sensor, the middle part fixed mounting on urea box top has urea case liquid level temperature quality sensor, the fixed diesel filter support that is provided with of one end of oil tank box, fixed mounting has diesel filter on the diesel filter support, the fixed measurement jet pump support that is provided with of the other end of oil tank box, fixed mounting has the measurement jet pump on the measurement jet pump support, and the support adopts the square tube support, and simple process can bend, and mechanical properties is higher than the punching press support, and the processing cost is low, advantages such as reliability height, and the surface area of integrated form oil tank box is greater than non-integrated form oil tank box, and inside wall area increases and forms "chimney effect" with the clearance of urea case, strengthens the radiating effect, and gaseous and liquid expansion in the return oil pipe is heated, and gaseous expansion ratio is liquid, and the box is airtight container, and the atmospheric pressure that the space is fixed is greater than the deposit, and the bubble naturally sinks.

Preferably, one side of the oil tank body is fixedly provided with a wire harness pipe clamp, and the wire harness pipe clamp is fixedly provided with an electric heating urea liquid inlet pipe and a metering injection pump heating water inlet pipe.

Preferably, the electric heating urea liquid inlet pipe and the heating water inlet pipe of the metering injection pump are fixedly communicated with the two sides of the metering injection pump and the two sides of the urea box liquid level temperature quality sensor through quick connectors.

Preferably, the last fixed intercommunication of diesel filter has the diesel to strain into oil pipe, the diesel filters the fixed intercommunication of one end through quick plug and fuel mass sensor into oil pipe, and the measurement jet pump is realized through the measurement jet pump support, and diesel filter realizes through inlaying the hole subassembly of oil tank box to supplementary the completion through the diesel filter support, not rock when guaranteeing to press diesel filter, the support is accomplished the partial shipment in advance at the pre-installation station.

Preferably, a fastening belt assembly is fixedly arranged at one end of the urea box oil tank support assembly, the wire harness pipe clamp on the box body is designed to be of a clamping groove structure, and the type of the wire harness pipe clamp can be changed according to different aftertreatment system pipelines.

Preferably, the inner side of the fastening belt assembly is fixedly provided with a fastening belt pad belt, the pad belt adopts a groove-shaped structure, patterns are added on the contact surface of the pad belt and the box body, the depth is increased, the friction force is improved, and the side surface prevents the pull belt from scratching the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lightweight urea box and oil tank integrated assembly adopts a front-rear embedded arrangement design, is convenient to maintain and low in replacement cost, reduces urea box bracket assemblies and diesel filter brackets, reduces weight and cost, and is more compact in chassis arrangement, so that short-wheelbase vehicle type development has advantages;

2. the metering injection pump and the diesel filter are integrated, so that the assembly efficiency is improved, the assembly sizes of all the existing metering injection pumps and urea box liquid level temperature quality sensors are met, and the dual-integration urea tank has the characteristics of light weight, high integration level, strong universality, convenience in installation and maintenance and the like.

Drawings

FIG. 1 is a schematic view of the integrated assembly of the lightweight urea tank of the present invention;

FIG. 2 is a front view of the urea box of the present invention;

FIG. 3 is a front view of the fuel tank body of the present invention;

FIG. 4 is a front view of the liquid level temperature quality sensor of the urea tank of the present invention;

fig. 5 is a front view of the oil level sensor of the present invention;

FIG. 6 is a front view of the metering jet pump of the present invention;

FIG. 7 is a front view of a diesel filter according to the present invention;

fig. 8 is a front view of the metering jet pump bracket of the present invention;

FIG. 9 is a front view of the diesel filter holder of the present invention;

FIG. 10 is a front view of the bracket assembly of the urea tank of the present invention;

FIG. 11 is a front view of the fastening strap assembly of the present invention;

FIG. 12 is a top view of the fastening strip of the present invention;

FIG. 13 is a front view of the diesel fuel filter inlet pipe of the present invention;

FIG. 14 is a front view of the urea inlet pipe of the present invention;

FIG. 15 is a front view of the diesel filter oil inlet pipe of the present invention;

fig. 16 is a front view of the wire harness clip of the present invention;

fig. 17 is a front view of the heating water inlet pipe of the metering jet pump of the present invention.

In the figure: 1. a urea tank body; 2. an oil tank body; 3. a urea tank liquid level temperature quality sensor; 4. an oil quantity sensor; 5. a metering jet pump; 6. a diesel filter; 7. a metering jet pump mount; 8. a firewood filter support; 9. a urea tank bracket assembly; 10. a fastening strap assembly; 11. a fastening tape backing tape; 12. a heat insulating pad; 13. electrically heating a urea liquid inlet pipe; 14. a diesel filter oil inlet pipe; 15. a wire harness pipe clamp; 16. the metering jet pump heats the water inlet pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Please refer to fig. 1-17, the utility model provides an integrated assembly of lightweight urea case oil tank, including urea case oil tank support assembly 9, be equipped with oil tank box 2 on urea case oil tank support assembly 9, the embedded groove has been seted up at the middle part on 2 tops of oil tank box, the inboard of embedded groove is equipped with urea box 1, it is connected with heat insulating mattress 12 to paste between oil tank box 2 and the urea box 1, the middle part fixed mounting on 2 tops of oil tank box has oil mass sensor 4, the middle part fixed mounting on 1 tops of urea box has urea case liquid level temperature quality sensor 3, the fixed diesel filter support 8 that is provided with of one end of oil tank box 2, fixed mounting has diesel filter 6 on the diesel filter support 8, the fixed measurement jet pump support 7 that is provided with of the other end of oil tank box 2, fixed mounting has measurement jet pump 5 on the measurement jet pump support 7, the fixed pencil pipe clamp 15 that is provided with one side of oil tank box 2, fixed electrical heating urea feed liquor pipe 13 and the measurement jet pump heating inlet tube 16 that is provided with on the pencil pipe clamp 15, electrical heating urea feed liquor pipe 13 and measurement jet pump heating inlet tube 16 all communicate quality sensor 3's both sides through quick bayonet joint and measurement jet pump 5 and urea case fixing.

The diesel oil filter 6 is fixedly communicated with a diesel oil filter oil inlet pipe 14, one end of the diesel oil filter oil inlet pipe 14 is fixedly communicated with one end of an oil mass sensor 4 through a quick plug, one end of a urea box oil tank support assembly 9 is fixedly provided with a fastening belt assembly 10, and the inner side of the fastening belt assembly 10 is fixedly provided with a fastening belt pad 11.

When the embodiment of the application is used: putting a urea box body 1 along an embedded groove of an oil box body 2, adhering a heat insulation pad 12 to the oil box body 2, then installing a urea box liquid level temperature quality sensor 3 on the urea box body 1 through a bayonet, installing an oil quantity sensor 4 on the oil box body 2 through the bayonet, then respectively installing a metering injection pump bracket 7 and a diesel filter bracket 8 on a reserved embedded hole of the oil box body 2, then installing a metering injection pump 5 on the metering injection pump bracket 7, installing a diesel filter 6 on the diesel filter bracket 8, then connecting an electric heating urea liquid inlet pipe 13 and a metering injection pump heating water inlet pipe 16 with a metering injection pump 5 and the urea box liquid level temperature quality sensor 3 through a quick plug, fixing through a wire harness pipe clamp 15 on the oil box body 2, connecting a diesel filter inlet pipe 14 with the diesel filter 6 and the oil quantity sensor 4 through a quick check connector, fixing through a pipe clamp 15 on the oil box body 2, finally installing a fastening belt 11 on the fastening belt assembly 10, installing the urea box body 1, the urea box diesel filter tank diesel filter box diesel filter assembly 2, the diesel filter liquid level temperature quality sensor 3, the oil quantity sensor 4, the metering injection pump 5, the metering injection pump bracket 6, the diesel filter bracket 7 and the diesel filter bracket 13 on the diesel filter heating water inlet pipe clamp assembly, installing the fastening belt assembly 10 on the diesel filter box body 2, installing the urea box diesel filter bracket 13 and the urea box diesel filter assembly 13 and the fastening belt assembly 14;

the urea box body 1 is used for storing 32.5% of urea aqueous solution and is used as a reducing agent in a post-treatment process, nitrogen oxides in the tail gas emission of a diesel vehicle are reduced, a heat preservation function of the urea aqueous solution is provided, the oil tank body 2 is used for storing enough oil required by storage, the metering injection pump 5 is used for injecting quantitative urea aqueous solution into an exhaust pipe through a pipeline by establishing pressure according to an instruction of an ECU (electronic control Unit), the diesel filter 6 is used for filtering moisture and impurities in the oil, and the metering injection pump bracket 7 and the diesel filter bracket 8 are fixed on the oil tank body 2 through inserts of the oil tank body 2 and are used for fixing the metering injection pump 5 and the diesel filter 6; the wiring harness pipe clamp 15 is used for fixing a urea pipeline and a wiring harness, the urea tank liquid level temperature quality sensor 3 is used for measuring the liquid level, the temperature and the concentration of a urea aqueous solution in the urea tank body 1, heating the urea aqueous solution in the urea tank body 1 to ensure that sufficient urea aqueous solution participates in the reaction, and the oil mass sensor 4 is used for measuring the liquid level of oil in the oil tank body 2; the electric heating urea liquid inlet pipe 13 has the function of ensuring that 32.5 percent of urea aqueous solution in the urea box body 1 enters a urea pump and can be in a flowing state at the temperature lower than minus 7 ℃ and the diesel filter oil inlet pipe 14 has the function of enabling fuel oil in the oil box to enter the diesel filter 6; the function of the metering injection pump heating water inlet pipe 16 is to heat the metering injection pump 5, and prevent the metering injection pump 5 from frost cracking and urea crystallization.

The urea box body 1 is a specially developed universal part which accords with the existing after-treatment matched sensor, the urea box body 1 is designed into a Y shape, and two sides of the urea box body are in arc transition, in order to ensure that urea crystals on two sides can be uniformly heated and enough unfrozen urea aqueous solution unfreezing amount can be obtained when the sensor is heated and unfrozen, so that the problems that the unfrozen urea aqueous solution amount is insufficient due to non-uniform heating, and unfrozen urea crystals fall into the bottom of the box body in the bumping process of a vehicle, and further the temperature of the urea aqueous solution jumps and sharply changes to trigger false alarm, so that the catalytic reduction reaction is stopped or weakened and the exhaust emission exceeds the standard are avoided; the transition section is added with the lug boss, so that the urea box body 1 is positioned on the oil tank body 2 more reliably and accurately, and the uncertainty of installation and adjustment and the gap allowance which cannot meet the acceptance standard are avoided; the overflow valve is arranged on the box body, so that the box body is communicated with the atmosphere, the smoothness of filling solution is ensured, and the phenomenon that the box body is flat when in a working state is prevented; the box body is provided with a liquid discharge hole and a sealing ring groove, and is embedded in the box body, so that liquid can be discharged quickly when the box body is maintained and cleaned; the tapping bolt and the sealing ring are arranged on the tapping hole, so that good sealing performance and no leakage are ensured when the tapping hole does not work; the urea liquid filling port is designed to be of an internal thread structure, so that the urea tank cover is reliably connected and has high sealing performance, and the filling pipe is provided with a magnetic buckle to meet the use of a filling gun.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. Integrated assembly of lightweight urea case oil tank, including urea case oil tank support assembly (9), its characterized in that: be equipped with on urea case oil tank support assembly (9) oil tank box (2), the embedded groove has been seted up at the middle part on oil tank box (2) top, the inboard of embedded groove is equipped with urea box (1), it is connected with heat insulating mattress (12) to paste between oil tank box (2) and urea box (1), the middle part fixed mounting on oil tank box (2) top has oil mass sensor (4), the middle part fixed mounting on urea box (1) top has urea case liquid level temperature quality sensor (3), support (8) are strained to the fixed firewood that is provided with of one end of oil tank box (2), fixed mounting has diesel oil filter (6) on support (8) is strained to the firewood, the other end of oil tank box (2) is fixed and is provided with measurement jet pump support (7), fixed mounting has measurement jet pump (5) on measurement jet pump support (7).

2. The integrated assembly of lightweight urea case oil tank of claim 1, characterized in that: one side of the oil tank body (2) is fixedly provided with a wire harness pipe clamp (15), and the wire harness pipe clamp (15) is fixedly provided with an electric heating urea liquid inlet pipe (13) and a metering injection pump heating water inlet pipe (16).

3. The integrated assembly of lightweight urea case oil tank of claim 2, characterized in that: the electric heating urea liquid inlet pipe (13) and the metering injection pump heating water inlet pipe (16) are fixedly communicated with the two sides of the metering injection pump (5) and the two sides of the urea box liquid level temperature quality sensor (3) through quick connectors.

4. The integrated assembly of lightweight urea case oil tank of claim 1, characterized in that: the diesel oil filter is characterized in that the diesel oil filter (6) is fixedly communicated with a diesel oil filter oil inlet pipe (14), and one end of the diesel oil filter oil inlet pipe (14) is fixedly communicated with one end of the oil mass sensor (4) through a quick plug.

5. The integrated assembly of lightweight urea case oil tank of claim 1, characterized in that: one end of the urea box oil tank bracket assembly (9) is fixedly provided with a fastening belt assembly (10).

6. The integrated assembly of lightweight urea case oil tank of claim 5, characterized in that: and a fastening belt cushion belt (11) is fixedly arranged on the inner side of the fastening belt assembly (10).

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