CN210013769U

CN210013769U - Automobile carbon tank

Info

Publication number: CN210013769U
Application number: CN201920507555.3U
Authority: CN
Inventors: 陈庆胜; 汤小生
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-04
Anticipated expiration: 2029-04-15

Abstract

The utility model provides a car carbon tank belongs to car technical field. It has solved the not good technical problem of adsorption efficiency of current car carbon tank to oil gas. This car carbon tank, including shell and charcoal post, the shell has the cavity that can supply oil gas to flow in, be equipped with the installation section of thick bamboo in the cavity, the installation section of thick bamboo has the inner chamber, the intracavity is located to the charcoal post, the outer cavity of installation section of thick bamboo is filled with the powdered carbon, be equipped with the intercommunication structure of intercommunication inner chamber and cavity on the installation section of thick bamboo, set up the export with installation section of thick bamboo inner chamber intercommunication on the shell. The utility model provides the high oil gas adsorption performance of carbon tank.

Description

Automobile carbon tank

Technical Field

The utility model belongs to the technical field of the car, concretely relates to car carbon tank.

Background

An automobile carbon tank belongs to a component part of an automobile fuel system, fuel vapor can be prevented from being discharged into the atmosphere to pollute the environment by adsorbing the fuel vapor by activated carbon powder arranged in the carbon tank, the oil vapor adsorbed by the carbon powder in the carbon tank can be desorbed to an engine by negative pressure generated in an air inlet manifold of the engine to be combusted, the recycling of oil gas is realized, and the desorbed carbon powder can adsorb the oil gas again.

The Chinese patent application document (grant publication number: CN 206439123U; bulletin date: 2017.08.25) discloses a carbon tank, which comprises a shell, an adsorption pipe communicated with an oil tank, a desorption pipe communicated with an engine intake manifold, a through atmosphere pipe communicated with the outside atmosphere, a baffle plate and a through mounting plate, wherein the baffle plate and the through mounting plate are arranged in the shell, a space for mounting a honeycomb-shaped activated carbon column is reserved at a pipe orifice of the through atmosphere pipe in the carbon tank, and the carbon column with strong oil gas adsorption capacity is additionally arranged at the pipe orifice of the atmosphere, so that the leakage of oil gas at the pipe orifice of the atmosphere can be effectively reduced.

Among the above-mentioned technical scheme, a reserved space for installing the charcoal post is through setting up an area of crossing the mounting panel in the carbon tank with the carbon tank internal partitioning formation, the volume of reserved space is far greater than the volume of charcoal post, make there be more space that has not filled the charcoal powder and has not placed the charcoal post in the carbon tank, be unfavorable for the utilization of carbon tank inner space, also do not benefit to the volume of increase charcoal post, improve the adsorption efficiency of carbon tank to oil gas, and atmospheric pipe mouth department in the carbon tank can only carry out oil gas absorption by the charcoal post, oil gas in time not by the absorptive problem of charcoal post can appear, thereby make atmospheric pipe mouth department appear oil gas and reveal.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a car carbon tank, the utility model aims to solve the technical problem that: how to improve the oil gas adsorption capacity of the carbon tank.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an automobile carbon tank, includes shell and charcoal post, the shell has the cavity that can supply oil gas to flow in, be equipped with the installation section of thick bamboo in the cavity, the installation section of thick bamboo has the inner chamber, the intracavity is located to the charcoal post, the outer cavity of installation section of thick bamboo is filled with the powdered carbon, be equipped with the intercommunication structure of intercommunication inner chamber and cavity on the installation section of thick bamboo, set up the export with installation section of thick bamboo inner chamber intercommunication on the shell.

The working principle of this patent does: the oil gas that flows into the cavity is earlier by the absorption of internal powdered carbon of cavity, and the intercommunication structure that is not adsorbed by powdered carbon gets into the inner chamber of installation section of thick bamboo through the installation section of thick bamboo to be located the charcoal post of intracavity and adsorb, thereby show the oil gas volume that reduces the export outflow with the inner chamber intercommunication from the shell, improve the adsorption efficiency of carbon tank. The installation of a section of thick bamboo not only is favorable to improving the convenience of carbon column installation, can make the cavity of an installation section of thick bamboo all fill dress powdered carbon moreover from top to bottom, improves the space utilization of cavity to be favorable to improving the oil gas adsorption capacity of the interior charcoal volume of filling of cavity and carbon canister.

In the above carbon canister for an automobile, the mounting cylinder includes an outer cylinder and an inner cylinder inserted into the outer cylinder, and the carbon column is disposed in the inner cylinder. The structure of the inner and outer cylinder bodies is favorable for the design of a communicating structure on the installation cylinder, and the inner cylinder body is favorable for improving the convenient installation of the carbon column.

In the automobile carbon tank, the upper end of the outer cylinder body extends outwards along the radial direction to form a mounting plate vertical to the outer cylinder body, and the edge of the mounting plate is abutted against the inner wall of the shell. Outer barrel supports through the mounting panel and leans on in the shell inner wall, can improve the installation steadiness of outer barrel, ensures the adsorption efficiency of carbon tank to oil gas.

In foretell car carbon tank, the intercommunication structure is including seting up the through-hole on the mounting panel and seting up the opening in the barrel bottom, the external diameter of interior barrel is less than the internal diameter of outer barrel and makes and form intercommunication through-hole and open-ended intercommunication clearance between interior barrel outer wall and the outer barrel inner wall. The communicating structure comprises a through hole in the mounting plate, an opening at the bottom of the inner barrel and a gap between the inner barrel and the outer barrel, oil gas which is not absorbed by carbon powder in the cavity can enter the inner barrel and be adsorbed by the carbon column through the through hole in the mounting plate, the communicating gap between the inner barrel and the outer barrel and the opening at the lower end of the inner barrel in sequence, the content of the oil gas flowing out of the outlet of the shell is obviously reduced, and the oil gas adsorption capacity of the carbon tank is improved. As another result, the communication structure may employ the following scheme: the communicating structure comprises an inner cylinder and an outer cylinder which are attached to each other, a first through hole and a second through hole are formed in the inner cylinder and the outer cylinder respectively, the first through hole is opposite to the second through hole, and a partition plate which can pass through oil gas and can isolate carbon powder is arranged on the upper cover of the second through hole.

In the above automobile canister, the top of the housing has a ceiling plate, and the outlet is provided in the ceiling plate. The outlet is arranged on the top plate, so that oil gas is conveniently discharged outside.

In the automobile carbon tank, a first cylindrical flanging is arranged on the inner wall of the top plate at the edge of the outlet, and the first cylindrical flanging is inserted into the inner cylinder and abuts against the inner wall of the inner cylinder. The pair of inner barrel bodies of the flanging forms a blocking effect, so that oil gas flowing in from the through hole on the mounting plate can not be directly discharged from an outlet at the upper end of the inner barrel body, the oil gas is ensured to enter the bottom of the inner barrel body through the communicating gap and be absorbed by the carbon column, and the oil gas adsorption capacity of the carbon tank is improved.

In the automobile carbon tank, the edge of the mounting plate is further provided with a downward turned edge II, the turned edge II abuts against the inner wall of the shell, the turned edge II and the mounting plate form an obtuse included angle, and the turned edge II is provided with a plurality of through grooves. The second flanging forms an obtuse included angle with the mounting plate, namely the second flanging extends towards the lower side of the outer side of the mounting plate, the lower end of the second flanging is abutted to the inner wall of the shell, the second flanging is provided with a plurality of through grooves at intervals, the lower end of the second flanging is convenient to extrude and deform, and the mounting convenience of the mounting plate can be improved.

In foretell car carbon tank, circumference interval is provided with a plurality of long banding sand grips on the lower extreme inner wall of outer barrel, the outer wall of interior barrel supports and leans on the sand grip. The installation steadiness of barrel in can improving like this, can increase the joint clearance between barrel outer wall and the outer barrel inner wall again to improve the oil gas adsorption efficiency of carbon tank.

In the automobile carbon tank, the carbon tank further comprises a communicating cover arranged on the top plate in a covering mode, the communicating cover is provided with a communicating cavity for communicating the outlet with the outside atmosphere, and a stop valve used for controlling the communicating cavity to be opened and closed is inserted into the communicating cavity. With the stop valve integration on the intercommunication cover of carbon tank, compare in prior art the stop valve through the structure that trachea and through-hole link to each other, the installation convenience of improvement stop valve is favorable to reducing the preparation cost of carbon tank simultaneously to revealing of this patent reducible oil gas.

Compared with the prior art, the utility model has the advantages of it is following:

1. the installation barrel for containing the carbon columns is arranged in the cavity of the carbon tank, so that carbon powder can be filled in the cavity outside the installation barrel, and the space utilization rate of the cavity and the oil gas adsorption capacity of the carbon tank are improved.

2. The installation cylinder is provided with a communicating structure for communicating the cavity with the inner cavity containing the carbon column, so that oil gas entering the cavity is not absorbed by the carbon powder, and the oil gas enters the inner cavity through the communicating structure and is absorbed by the carbon column, thereby remarkably reducing the oil gas amount flowing out from the outlet and improving the adsorption capacity of the carbon tank on the oil gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the invention.

Fig. 3 is a schematic structural diagram of the installation cylinder, the installation plate and the sponge according to the embodiment of the present invention.

Fig. 4 is a schematic view of another view structure of the mounting tube and the mounting plate according to the embodiment of the present invention.

In the figure, 1, a housing; 11. a housing; 111. a top plate; 112. flanging one; 12; a cover body; 13. a baffle plate; 14. a cavity; 15. an outlet; 16. an adsorption port; 17. a desorption port; 18. an atmospheric port; 2. a carbon column; 3. mounting the cylinder; 31. communicating the gaps; 4. an outer cylinder; 41. a convex strip; 5. an inner cylinder; 51. an inner cavity; 52. an opening; 6. mounting a plate; 6a, a through hole; 61. flanging two; 611. a through groove; 62. a sponge; 7. a communicating cover; 71. a communicating cavity; 8. a stop valve 9, a partition plate; 10. a spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and fig. 2, the present embodiment includes a housing 1, the housing 1 includes a casing 11 and a cover 12 covering an opening of the casing 11, wherein the cover 12 is connected to a partition 9 disposed in the casing 11 through a spring 10, the partition 9 can pass through oil gas and can isolate carbon powder, and a chamber for containing carbon powder and carbon column 2 is formed between the partition 9 and the casing 11. The chamber is divided into a left part and a right part by a vertical baffle 13 arranged in the chamber, wherein a first vent hole communicated with the adsorption port 16 and a second vent hole communicated with the desorption port 17 are arranged on the top plate 111 of the right chamber, and an outlet 15 communicated with the atmosphere port 18 is arranged on the top plate 111 of the left chamber, namely the left chamber is a cavity 14 provided with the installation cylinder 3 in the embodiment. The upper end of the baffle 13 is fixedly connected with the top plate 111 at the top of the shell 11, and the lower end of the baffle 13 passes through the partition plate 9 and divides the partition plate 9 into a left partition plate and a right partition plate. The installation cylinder 3 is arranged in the left side cavity, carbon powder is filled in the two cavities, and the partition plate 9 can be pressed on the carbon powder under the action of the spring 10, so that the compressed state of the carbon powder is guaranteed, and abnormal sound is not easy to occur when the vehicle body shakes. Simultaneously baffle 13 and baffle 9's structure are provided with and do benefit to oil gas and follow the entering behind right side cavity of absorption mouth 16, loop through right side baffle 9, the clearance between apron and the baffle 9, left side baffle 9 and get into left side cavity, increase the circulation route of oil gas at this embodiment, improve the adsorption effect of this embodiment to oil gas.

The mounting cylinder 3 is provided with an inner cavity 51, the carbon column 2 is arranged in the inner cavity 51, carbon powder is filled in the cavity 14 outside the mounting cylinder 3, the mounting cylinder 3 is provided with a communicating structure for communicating the inner cavity 51 of the mounting cylinder 3 with the cavity 14 outside the mounting cylinder 3, and the top plate 111 is provided with an outlet 15 communicated with the inner cavity 51 of the mounting cylinder 3. The oil gas that flows into cavity 14 is earlier by the absorption of interior carbon powder of cavity 14, the intercommunication structure that the adsorbed oil gas of carbon powder passes through installation section of thick bamboo 3 gets into the inner chamber 51 of installation section of thick bamboo 3 not, and it adsorbs to be located the charcoal post 2 in the inner chamber 51, the setting of installation section of thick bamboo 3, not only be favorable to improving the convenience of charcoal post 2 installation, and can make the cavity 14 of installation section of thick bamboo 3 all fill the dress carbon powder inside and outside, improve the space utilization of cavity 14, thereby be favorable to improving the oil gas adsorption capacity of the interior carbon charge of cavity 14 and this embodiment.

Specifically, installation section of thick bamboo 3 includes outer barrel 4 and inserts the interior barrel 5 of locating in outer barrel 4, and charcoal post 2 sets up in interior barrel 5, and interior barrel 5 is rectangular shape cylinder with outer barrel 4, is favorable to increasing charcoal post 2 length, improves the adsorption efficiency of this embodiment to oil gas. The upper end of outer barrel 4 radially outwards extends and forms mounting panel 6 with outer barrel 4 looks vertically, and the border and the 1 inner wall of shell of mounting panel 6 are leaned on, can improve the installation steadiness of outer barrel 4, and the guarantee this embodiment is to the adsorption efficiency of oil gas. The communicating structure comprises a through hole 6a formed in the mounting plate 6 and an opening 52 formed in the bottom of the inner cylinder 5, the outer diameter of the inner cylinder 5 is smaller than the inner diameter of the outer cylinder 4, so that a communicating gap 31 for communicating the through hole 6a with the opening 52 is formed between the outer wall of the inner cylinder 5 and the inner wall of the outer cylinder 4, oil gas which is not absorbed by carbon powder in the cavity 14 can enter the inner cylinder 5 and be adsorbed by the carbon column 2 sequentially through the through hole 6a in the mounting plate 6 on the mounting plate 6, the communicating gap 31 between the inner cylinder 5 and the outer cylinder 4 and the opening 52 at the lower end of the inner cylinder 5, the content of the oil gas flowing out of the outlet 15 of the shell 1 is obviously reduced, and the oil.

As shown in fig. 3 and 4, the circumferential interval is provided with a plurality of long-strip-shaped protruding strips 41 on the lower end inner wall of the outer barrel 4, and the outer wall of the inner barrel 5 abuts against the protruding strips 41, so that the communication gap 31 is increased, and oil gas can pass through the communication gap. The lower end of the convex strip 41 is provided with a flange which is abutted against the inner wall of the bottom of the outer barrel 4, so that the bottom height of the inner barrel 5 can be raised, the distance between the bottom opening 52 of the inner barrel 5 and the bottom of the outer barrel 4 is increased, and oil gas conveniently enters the inner cavity 51 of the inner barrel 5 through the opening 52.

The inner wall of the top plate 111 is provided with a first cylindrical flanging 112 at the edge of the outlet 15, and the first cylindrical flanging 112 is inserted into the inner cylinder 5 and abuts against the inner wall of the inner cylinder 5. The first flanging 112 has a blocking effect on the inner cylinder 5, so that oil gas flowing from the through hole 6a in the mounting plate 6 cannot be directly discharged through the outlet 15 at the upper end of the inner cylinder 5, the oil gas is ensured to enter the bottom of the inner cylinder 5 through the communication gap 31 and be absorbed by the carbon column 2, and the oil gas adsorption capacity of the embodiment is improved. Further, press from both sides between mounting panel 6 and the roof 111 and be equipped with sponge 62 for ensure that oil gas passes through simultaneously the separation powdered carbon and passes through, mounting panel 6 has upturned turn-ups simultaneously, is used for spacing sponge 62.

The border of mounting panel 6 still is equipped with two turn-ups 61 down, and two turn-ups 61 lean on with 1 inner wall of shell counterbalance, and two turn-ups 61 form the obtuse angle contained angle with mounting panel 6, have seted up a plurality of logical grooves 611 on two turn-ups 61, and the lower extreme of two turn-ups 61 of being convenient for takes place extrusion deformation, can improve mounting panel 6's installation convenience.

The present embodiment further includes a communication cover 7 covering the top plate 111, the atmosphere port 18 is disposed on the communication cover 7, the communication cover 7 has a communication chamber 71 communicating the outlet 15 and the atmosphere port 18, and a stop valve 8 for controlling the on-off of the communication chamber 71 is inserted into the communication chamber 71. With stop valve 8 integration on the intercommunication cover 7 of this embodiment, compare in prior art stop valve 8 through the structure that trachea and through-hole 6a link to each other, the leakage of reducible oil gas improves stop valve 8's installation convenience, is favorable to reducing the preparation cost of this embodiment simultaneously.

The working principle of the embodiment is as follows: during adsorption, oil gas enters the cavity 14 from the adsorption port 16 through the right cavity, the right partition plate 9 and the left partition plate 9 in sequence, and then enters the inner cavity 51 of the inner cylinder 5 through the communicating structure of the mounting cylinder 3 (namely, the oil gas enters the inner cavity 51 of the inner cylinder 5 through the through hole 6a, the communicating gap 31 and the opening 52 in sequence and is absorbed by the carbon column 26, so that the oil gas discharged to the atmosphere from the outlet 15 is effectively reduced, during desorption, the external atmosphere enters the desorption port 17 through the negative pressure of the air inlet manifold of the engine and then flows into the desorption port 17 through the atmosphere port, the communicating cavity 71, the outlet 15, the inner cavity 51 of the inner cylinder 5, the opening 52, the communicating gap 31, the through hole 6a, the cavity 14, the left partition plate 9, the right partition plate 9 and the right cavity in sequence, during the process, the carbon powder and the oil gas adsorbed by the carbon column 2 can flow into the desorption port 17 along with, the atmosphere opening is closed to accessible stop valve 8 to the guarantee normal clear and the reliability of testing result that detect.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the housing is used more herein; 11. a housing; 111. a top plate; 112. flanging one; 12; a cover body; 13. a baffle plate; 14. a cavity; 15. an outlet; 16. an adsorption port; 17. a desorption port; 18. an atmospheric port; 2. a carbon column; 3. mounting the cylinder; 31. communicating the gaps; 4. an outer cylinder; 41. a convex strip; 5. an inner cylinder; 51. an inner cavity; 52. an opening 6, a mounting plate; 6a, a through hole; 61. flanging two; 611. a through groove; 63. a sponge; 7. a communicating cover; 71. a communicating cavity; 8. a stop valve 9, a partition plate; 10. springs, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an automobile carbon tank, includes shell (1) and charcoal post (2), shell (1) has cavity (14) that can supply oil gas to flow in, its characterized in that, be equipped with installation section of thick bamboo (3) in cavity (14), installation section of thick bamboo (3) have inner chamber (51), interior cavity (51) are located in charcoal post (2), be equipped with the powdered carbon in cavity (14) outside installation section of thick bamboo (3), be equipped with the intercommunication structure of intercommunication inner chamber (51) and cavity (14) on installation section of thick bamboo (3), set up export (15) with installation section of thick bamboo (3) inner chamber (51) intercommunication on shell (1).

2. The automotive carbon canister according to claim 1, characterized in that the mounting cylinder (3) comprises an outer cylinder body (4) and an inner cylinder body (5) inserted in the outer cylinder body (4), and the carbon column (2) is arranged in the inner cylinder body (5).

3. The automobile carbon canister as claimed in claim 2, wherein the upper end of the outer cylinder (4) extends radially outwards to form a mounting plate (6) perpendicular to the outer cylinder (4), and the edge of the mounting plate (6) abuts against the inner wall of the outer shell (1).

4. The carbon tank of claim 3, wherein the communicating structure comprises a through hole (6a) formed on the mounting plate (6) and an opening (52) formed at the bottom of the inner cylinder (5), and the outer diameter of the inner cylinder (5) is smaller than the inner diameter of the outer cylinder (4) so that a communicating gap (31) for communicating the through hole (6a) with the opening (52) is formed between the outer wall of the inner cylinder (5) and the inner wall of the outer cylinder (4).

5. The automotive canister according to claim 3, characterised in that the top of the shell (1) has a roof (111), the outlet (15) opening on the roof (111).

6. The automobile carbon tank as claimed in claim 5, wherein a cylindrical first flanging (112) is arranged on the inner wall of the top plate (111) at the edge of the outlet (15), and the first flanging (112) is inserted into the inner cylinder (5) and abuts against the inner wall of the inner cylinder (5).

7. The automobile carbon tank as claimed in claim 3, wherein a second downward turned edge (61) is further arranged at the edge of the mounting plate (6), the second turned edge (61) abuts against the inner wall of the shell (1), the second turned edge (61) and the mounting plate (6) form an obtuse included angle, and a plurality of through grooves (611) are formed in the second turned edge (61).

8. The automobile carbon tank as claimed in claim 4, wherein a plurality of elongated ribs (41) are circumferentially arranged on the inner wall of the lower end of the outer cylinder (4) at intervals, and the outer wall of the inner cylinder (5) abuts against the ribs (41).

9. The automobile carbon tank as claimed in claim 5 or 6, further comprising a communication cover (7) covering the top plate (111), wherein the communication cover (7) is provided with a communication cavity (71) for communicating the outlet (15) with the outside atmosphere, and a stop valve (8) for controlling the on-off of the communication cavity (71) is inserted into the communication cavity (71).