CN203114551U - Pressurizing pump for dimethyl ether vehicle - Google Patents
Pressurizing pump for dimethyl ether vehicle Download PDFInfo
- Publication number
- CN203114551U CN203114551U CN 201320044161 CN201320044161U CN203114551U CN 203114551 U CN203114551 U CN 203114551U CN 201320044161 CN201320044161 CN 201320044161 CN 201320044161 U CN201320044161 U CN 201320044161U CN 203114551 U CN203114551 U CN 203114551U
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- CN
- China
- Prior art keywords
- dimethyl ether
- pump housing
- suction booster
- liquid phase
- return pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to pressurizing equipment, and particularly discloses a pressurizing pump for a dimethyl ether vehicle. The pressurizing pump for the dimethyl ether vehicle comprises a pump body, wherein a piston and an oil chamber sealed with engine oil are arranged in an inner cavity of the pump body, a motor which drives the piston to move is arranged above the pump body, a dimethyl ether gas phase return pipe, a dimethyl ether outlet and a dimethyl ether liquid phase inlet are arranged on the side wall of the pump body from top to bottom in sequence, and the tail end of the piston is arranged to correspond to the dimethyl ether outlet. The pressurizing pump for the dimethyl ether vehicle is simple in structure and low in manufacturing difficulty, and thus the pressurizing pump for the dimethyl ether vehicle is low in cost and beneficial for industrialized popularization. Meanwhile, a single piston mode and engine oil sealing are adopted by the pressurizing pump for the dimethyl ether vehicle, pressurizing requirements are met, and the problem that dimethyl ether is corrosive and difficult to seal is solved.
Description
Technical field
The utility model relates to a kind of supercharging equipment, relates in particular to a kind of suction booster of dimethyl ether vehicle.
Background technique
Dimethyl ether has the advantages that boiling point is low, the volume calorific value is low and viscosity is low, compression ignition combustion under high compression ratio, has the thermal efficiency with the diesel engine equivalence, do not contain the c-c key in the dimethyl ether molecular formula simultaneously, can realize smokeless combustion, therefore, dimethyl ether can be realized clean burning as the fuel of compression ignition engine, is a kind of green energy resource of excellence.
Mix at dimethyl ether-natural gas and to take in the application of motor, Gu the vapor pressure of dimethyl ether can raise with the rising of temperature, therefore need to install suction booster, the pressure of high-pressure service pump ingress just can be down under the saturation vapor pressure of dimethyl ether like this, thereby avoid the phenomenon that gasifies, assurance makes the motor proper functioning to high-pressure service pump effective supply dimethyl ether fuel.Said method is for the technical requirements height of the suction booster that uses the dimethyl ether supercharging, so the manufacture difficulty of suction booster is big, the price height has hindered the practical application of this method.Moreover, low owing to dimethyl ether viscosity, rubber is corrosive, self band pressure, is that liquid, pressure are the characteristic that the variation of gas, hold-up pressure following temperature changes when low when pressure is high, even satisfied the requirement of supercharging, sealing also is a problem, and therefore general suction booster can't satisfy the supercharging requirement to it.
The model utility content
The purpose of this utility model is, proposes a kind of dimethyl ether vehicle suction booster, and it adopts the single plunger pattern, utilizes machine oil sealing, both satisfied the supercharging requirement, and has overcome the be corrosive problem of difficult sealing of dimethyl ether.
For achieving the above object, the utility model provides a kind of dimethyl ether vehicle suction booster, it comprises: the pump housing, be provided with a plunger in the inner chamber of the described pump housing and be sealed with the grease chamber of machine oil, this pump housing top is provided with the motor of a drive plunger motion, is provided with dimethyl ether gas phase return pipe, dimethyl ether outlet and the import of dimethyl ether liquid phase on this pump housing sidewall from the top down successively; Described plunger is terminal to export corresponding setting with dimethyl ether.
In the utility model specific embodiment, described motor is located at pump housing top, leaves ventilation gap between this motor and the pump housing.
In the utility model, described motor is fixedlyed connected with grease chamber's inside bottom by a solid of rotation, and this solid of rotation is divided into two cavitys with the grease chamber.
Further, be provided with several bearings between the described solid of rotation outside and the pump housing, this bearing upside near the bottom, grease chamber is provided with a seal ring.
Moreover, described dimethyl ether gas phase return pipe and the import of dimethyl ether liquid phase all are communicated with setting with a dimethyl ether storage tank, include gas-phase space and liquid phase space in this dimethyl ether storage tank, dimethyl ether gas phase return pipe is communicated with setting with this gas-phase space, and the import of dimethyl ether liquid phase is communicated with setting with this liquid phase space.
In the concrete application of the utility model, the bottom of described dimethyl ether storage tank must be higher than the setting of dimethyl ether gas phase return pipe on horizontal position.
In addition, described dimethyl ether outlet port is provided with an outlet valve.
Dimethyl ether vehicle suction booster of the present utility model, it is simple in structure, manufacture difficulty is lower, so cost is low is conducive to industrialization promotion; Simultaneously, it adopts the single plunger pattern, fills the slit of grease chamber by machine oil, so that dimethyl ether is sealed, both satisfied the requirement of supercharging, and has overcome the be corrosive problem of difficult sealing of dimethyl ether.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of specific embodiment of the utility model dimethyl ether vehicle suction booster linkage structure schematic representation in use.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of dimethyl ether vehicle suction booster, it comprises: the pump housing 10, be provided with a plunger 11 and grease chamber 12 in the inner chamber of the described pump housing 10, these pump housing 10 tops are provided with one and drive the motor 20 that plunger 11 moves, and are provided with dimethyl ether gas phase return pipe 13, dimethyl ether outlet 14 and dimethyl ether liquid phase import 15 on these pump housing 10 sidewalls from the top down successively; Described plunger 11 ends and dimethyl ether outlet 14 corresponding settings are sealed with machine oil in the described grease chamber 12, and this machine oil is represented with the shade of A part in scheming.Dimethyl ether vehicle suction booster of the present utility model, it is particularly useful for, and dimethyl ether-natural gas is mixed to be taken in the application of motor, and it is not only simple in structure, and manufacture difficulty is lower, and can satisfy the requirement of supercharging and sealing simultaneously.
Wherein, described motor 20 is used to plunger 11 that power is provided, to drive plunger 11 motions.In the utility model specific embodiment, this motor 20 is located at the pump housing 10 tops, leaves ventilation gap between this motor 20 and the pump housing 10.Existing suction booster on the market generally is the design of two plungers, the suction booster of this two plunger types can not play pressurization to dimethyl ether, and the utility model adopts single plunger 11 and dimethyl ether to export the mode of 14 corresponding settings, drive plunger 11 to-and-fro motion by motor 20, can well solve the problem to the dimethyl ether supercharging.
As a kind of selectivity embodiment in the utility model, described motor 20 can be fixedlyed connected with grease chamber's 12 inside bottom by a solid of rotation 22, and this solid of rotation 22 is divided into two cavitys with grease chamber 12.Further, be provided with several bearings 24 between described solid of rotation 22 outsides and the pump housing 10, these bearing 24 upsides near 12 bottoms, grease chamber are provided with a seal ring 26.Wherein, fixedly connected with the rotating shaft of motor 20 in described solid of rotation 22 upper ends, and this solid of rotation 22 is driven by motor 20.22 fixations of 24 pairs of solid of rotation of described bearing are to prevent solid of rotation 22 occurrence positions skew under the drive of motor 20.Described seal ring 26 is used for machine oil is sealed.Because the utility model adopts the slit of machine oil sealing grease chamber 12, can avoid seal ring 26 to produce with dimethyl ether and contact, thereby avoid seal ring 26 to be corroded, guarantee sealability.As preferred embodiment of the present utility model, described seal ring 26 can adopt materials such as nitrile butadiene rubber or fluorosioloxane rubber to be made, and this nitrile butadiene rubber or fluorosioloxane rubber material itself just have the performance of dimethyl ether resistant and machine oil corrosion preferably.
Moreover, described dimethyl ether gas phase return pipe 13 and dimethyl ether liquid phase import 15 all are communicated with setting with a dimethyl ether storage tank 30, include gas-phase space B and liquid phase space C in this dimethyl ether storage tank 30, dimethyl ether gas phase return pipe 13 is communicated with setting with this gas-phase space B, and dimethyl ether liquid phase import 15 is communicated with setting with this liquid phase space C.In the utility model specific embodiment, described dimethyl ether exports 14 places and is provided with an outlet valve 142.In the concrete application of the utility model, the bottom of described dimethyl ether storage tank 30 must be higher than dimethyl ether gas phase return pipe 13 setting is installed on horizontal position, can be gone in the dimethyl ether storage tank 30 for 13 times by dimethyl ether gas phase return pipe to guarantee the gas phase dimethyl ether in the pump housing 10.
In the utility model, the gas phase dimethyl ether all adopts the shade among the gas-phase space B represented, and the liquid phase dimethyl ether all adopts the shade among the C of liquid phase space represented.When concrete the use, this dimethyl ether vehicle suction booster is connected with dimethyl ether storage tank 30, be that dimethyl ether gas phase return pipe 13 is connected with gas-phase space B top, dimethyl ether liquid phase import 15 is connected with liquid phase space C bottom, and place above dimethyl ether gas phase return pipe 13 on horizontal position these dimethyl ether storage tank 30 bottoms.After dimethyl ether vehicle suction booster and dimethyl ether storage tank 30 connected, the liquid phase dimethyl ether entered in the pump housing 10 by dimethyl ether liquid phase import 15, was full of by the liquid phase dimethyl ether in the pump housing 10; Starting electrical machinery 20, motor 20 work drive solid of rotation 22 and rotate, thereby drive plunger 11 motions, and the liquid phase dimethyl ether is released by dimethyl ether outlet 14, and plunger 11 retreats to starting point then.Motor 20 continuous firings repeat above-mentioned action.When the rising of the pump housing 10 temperature, the liquid phase dimethyl ether is converted to gas phase, and the gas phase dimethyl ether is gone into dimethyl ether storage tank 30 13 times by dimethyl ether gas phase return pipe, to guarantee that below dimethyl ether gas phase return pipe 13 horizontal positions be the liquid phase dimethyl ether.When gas phase dimethyl ether in the pump housing 10 produced pressure to machine oil, seal ring 26 can seal machine oil, owing to adopt machine oil that grease chamber 12 is sealed, can effectively solve the be corrosive problem of difficult sealing of dimethyl ether.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. dimethyl ether vehicle suction booster, comprise the pump housing, it is characterized in that, be provided with a plunger in the inner chamber of the described pump housing and be sealed with the grease chamber of machine oil, this pump housing top is provided with the motor of a drive plunger motion, is provided with dimethyl ether gas phase return pipe, dimethyl ether outlet and the import of dimethyl ether liquid phase on this pump housing sidewall from the top down successively; Described plunger is terminal to export corresponding setting with dimethyl ether.
2. dimethyl ether vehicle suction booster as claimed in claim 1 is characterized in that, described motor is located at pump housing top, leaves ventilation gap between this motor and the pump housing.
3. dimethyl ether vehicle suction booster as claimed in claim 1 is characterized in that, described motor is fixedlyed connected with grease chamber's inside bottom by a solid of rotation, and this solid of rotation is divided into two cavitys with the grease chamber.
4. dimethyl ether vehicle suction booster as claimed in claim 3 is characterized in that, is provided with several bearings between the described solid of rotation outside and the pump housing, and this bearing upside near the bottom, grease chamber is provided with a seal ring.
5. dimethyl ether vehicle suction booster as claimed in claim 1, it is characterized in that, described dimethyl ether gas phase return pipe and the import of dimethyl ether liquid phase all are communicated with setting with a dimethyl ether storage tank, include gas-phase space and liquid phase space in this dimethyl ether storage tank, dimethyl ether gas phase return pipe is communicated with setting with this gas-phase space, and the import of dimethyl ether liquid phase is communicated with setting with this liquid phase space.
6. dimethyl ether vehicle suction booster as claimed in claim 5 is characterized in that, the bottom of described dimethyl ether storage tank is higher than the setting of dimethyl ether gas phase return pipe at horizontal position.
7. dimethyl ether vehicle suction booster as claimed in claim 1 is characterized in that, described dimethyl ether outlet port is provided with an outlet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044161 CN203114551U (en) | 2013-01-25 | 2013-01-25 | Pressurizing pump for dimethyl ether vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044161 CN203114551U (en) | 2013-01-25 | 2013-01-25 | Pressurizing pump for dimethyl ether vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114551U true CN203114551U (en) | 2013-08-07 |
Family
ID=48894903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320044161 Withdrawn - After Issue CN203114551U (en) | 2013-01-25 | 2013-01-25 | Pressurizing pump for dimethyl ether vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062010A (en) * | 2013-01-25 | 2013-04-24 | 周继光 | Boosting pump for dimethyl ether vehicle |
-
2013
- 2013-01-25 CN CN 201320044161 patent/CN203114551U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062010A (en) * | 2013-01-25 | 2013-04-24 | 周继光 | Boosting pump for dimethyl ether vehicle |
| CN103062010B (en) * | 2013-01-25 | 2016-01-06 | 深圳市红华能源科技有限公司 | Dimethyl ether vehicle suction booster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN HONGHUA ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHOU JIGUANG Effective date: 20140106 Free format text: FORMER OWNER: ZOU XIAOMING Effective date: 20140106 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 550002 GUIYANG, GUIZHOU PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140106 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennalu liantai building 2401D Patentee after: Shenzhen Honghua Energy Science and Technology Co., Ltd Address before: 7, building 80, Honghua building, 550002 middle Ruijin Road, Guiyang, Guizhou Patentee before: Zhou Jiguang Patentee before: Zou Xiaoming |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |