CN2047311U - Automatic pressure-control pump - Google Patents
Automatic pressure-control pump Download PDFInfo
- Publication number
- CN2047311U CN2047311U CN 88219434 CN88219434U CN2047311U CN 2047311 U CN2047311 U CN 2047311U CN 88219434 CN88219434 CN 88219434 CN 88219434 U CN88219434 U CN 88219434U CN 2047311 U CN2047311 U CN 2047311U
- Authority
- CN
- China
- Prior art keywords
- pressure
- tires
- inflation
- control pump
- valve
- 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.)
- Expired - Lifetime
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses an automatic pressure-control pump belonging to the technical field of the bicycle industry, which is suitable for the inflation of the constant pressure to tires of bicycles, wheels, light-duty motors, etc. One bypass valve is arranged in the pipe line of the output compressed air of the inflator or on the air accumulation tank. The bypass valve is in a close state within the range of the set value and has no influence on inflating to tires. The bypass valve automatically opens when the pressure in the tire reaches some limited value, and the compressed air discharges from the exhaust holes of the valve of the bypass; the inflation to tires automatically stops. The automatic pressure-control pump can avoid the trouble of judging the air pressure by touching the soft and hard degrees of tires with hand power. The utility model has the advantages of convenient operation, high reliability, sanitation and safety, and automatically reaches proper inflation pressure value.
Description
Automatic pressure-controlled pump belongs to the bicycle industrial technology.
Present used pumps such as bicycle, rickshaw and light-duty vehicle do not have to control automatically the device of inflation pressure, when inflation of tire, be, hard degree soft to tire with the people feel judge whether tyre inflation appropriate.This method not only is difficult to control rightly the inflation pressure of tire, and is simultaneously also unhygienic.
The objective of the invention is to make a kind of pump that can control tire gas injection pressure value automatically.
Automatic pressure-controlled pump of the present invention is that a by-pass valve is set in the compressed-air actuated pipeline of the output of pump or on the gas-accumulating tank body.This by-pass valve mainly is made of check valve, spring, exhaust port, adjusting screw and housing.When air inlet air pressure does not reach limit value, this valve is in closed condition, do not influence the tire gas injection process, when inflating pressure when reaching a certain limit value, the check valve of by-pass valve is opened automatically, gas is released from the exhaust port of valve, guarantee that the air pressure in the gas injection pipeline is no more than a certain limit value, thereby also just guaranteed given tire gas injection pressure value.
The present invention has two example structure schematic representation.
Accompanying drawing 1 is the by-pass valve scheme of installation of no gas-accumulating tank pump (also being applicable to the gas-accumulating tank pump).
Accompanying drawing 2 is for there being the by-pass valve scheme of installation of gas-accumulating tank pump.
［ 7 ］ in accompanying drawing 1 and the accompanying drawing 2 are pump, and ［ 8 ］ are inflator base.
In the accompanying drawing 1, air outlet hole ［ 6 ］ connects with the gas injection leather hose.In gas injection process, check valve ［ 1 ］ is in closed condition under the effect of spring ［ 3 ］, makes by the pressurized air of coming in the pump to enter the gas injection leather hose and inject tire from air outlet hole ［ 6 ］.When the tire internal air pressure was elevated to a certain limit value, check valve ［ 1 ］ was backed down by air pressure, and pressurized air then releases through exhaust port ［ 2 ］.The pressure that air outlet hole ［ 6 ］ is located just can not continue to raise again, at this moment, stops automatically to the gas injection process of tire.The pressure of tire also just reaches a certain limit value simultaneously.This force value can be regulated by screw ［ 4 ］, makes pressure keep suitable value.The position of adjusting screw ［ 4 ］, can make adjustable, by the user according to own hobby and custom grasp voluntarily; Perhaps also can be by the production unit sealing in addition after certain suitable inflation pressure value of adjusting, the user can not regulate voluntarily.
By-pass valve in the accompanying drawing 2 is installed in the top (also can be installed in other position of tank body) of gas-accumulating tank ［ 6 ］, and its structure and working principle and accompanying drawing 1 are identical.The pressure control valve is installed under the situation on the gas-accumulating tank body, and the gas injection leather hose can also adopt two kinds of connections in addition: a kind of is to open a hole in addition and the gas injection leather hose joins on tank body, saves the gas-injecting pipe interface that is arranged in originally on the base; Another kind is that the gas injection leather hose is connected on the pressure control valve, and at this moment, the pressure control valve should adopt the mode of structure shown in the accompanying drawing 1.
The present invention has exempted with the trouble of feeling judge gas injection pressure of hand-power to soft, the hard degree of tire, make the tyre inflating operating process can be convenient, healthy, safe, reliably, automatically reach suitable the blowing pressure value.
Claims (1)
1, a kind of automatic pressure-controlled pump that is applicable to bicycle, rickshaw and light-duty vehicle, it is characterized in that in the compressed-air actuated pipeline of the output of pump or on the gas-accumulating tank body of pump, a by-pass valve that is made of check valve, spring, exhaust port, adjusting screw and housing is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88219434 CN2047311U (en) | 1988-11-25 | 1988-11-25 | Automatic pressure-control pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88219434 CN2047311U (en) | 1988-11-25 | 1988-11-25 | Automatic pressure-control pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2047311U true CN2047311U (en) | 1989-11-08 |
Family
ID=4851780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88219434 Expired - Lifetime CN2047311U (en) | 1988-11-25 | 1988-11-25 | Automatic pressure-control pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2047311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203569A (en) * | 2019-06-28 | 2019-09-06 | 义乌月落自动化设备有限公司 | A kind of catalyst carrier |
-
1988
- 1988-11-25 CN CN 88219434 patent/CN2047311U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203569A (en) * | 2019-06-28 | 2019-09-06 | 义乌月落自动化设备有限公司 | A kind of catalyst carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |