DE19928118A1 - Portable bicycle air pump with a pressure-testing device for pumping up a bicycle inner tube through lightweight pump valves displays maximum allowable inner tube pressure. - Google Patents
Portable bicycle air pump with a pressure-testing device for pumping up a bicycle inner tube through lightweight pump valves displays maximum allowable inner tube pressure.Info
- Publication number
- DE19928118A1 DE19928118A1 DE1999128118 DE19928118A DE19928118A1 DE 19928118 A1 DE19928118 A1 DE 19928118A1 DE 1999128118 DE1999128118 DE 1999128118 DE 19928118 A DE19928118 A DE 19928118A DE 19928118 A1 DE19928118 A1 DE 19928118A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- piston rod
- cylinder
- pump
- pressure tester
- 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- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
- F04B33/005—Pumps actuated by muscle power, e.g. for inflating specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Die Erfindung betrifft eine Anordnung für ein integrales Druckprüfgerät für an Fahrrädern mitgeführ ten Fahrradluftpumpen zur gleichzeitigen Schlauchinnendruckmessung nach der im Oberbegriff des Anspruchs 1 angegebenen Art.The invention relates to an arrangement for an integral pressure test device for carried on bicycles Bicycle air pumps for simultaneous inner tube pressure measurement in accordance with the generic term of Claim 1 specified type.
Beim Einsatz sogenannter Leichtpumpventile bzw. bei Ventilen deren Öffnung mit einem Ventilschlauch verschlossen sind, kann konstruktionsbedingt der Schlauchinnendruck nicht mit her kömmlichen separaten Druckluftmeßgeräten geprüft werden.When using so-called light pump valves or when opening valves with a Valve hose are closed, the internal hose pressure cannot be used due to the design conventional separate compressed air measuring devices can be checked.
Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Anordnung für ein Druckprüfgerät für an Fahrrädern mitgeführten Luftpumpen zu schaffen, mit der während des Pumpens gleichzeitig der Schlauchinnendruck gemessen werden kann.Based on this prior art, the invention is based on the object To create an arrangement for a pressure tester for air pumps carried on bicycles, with the the inner tube pressure can be measured while pumping.
Gelöst wird diese Aufgabe nach den kennzeichnenden Merkmalen des Anspruchs 1 da durch, daß das Druckmeßgerät einmal integraler Bestandteil des Pumpengriffes ist oder zum anderen in das untere Ende des Pumpzylinders integriert wird bzw. auch an anderen Stellen innerhalb oder außerhalb des Pumpzylinders plaziert werden kann.This object is achieved according to the characterizing features of claim 1 that the pressure gauge is an integral part of the pump handle or the other is integrated into the lower end of the pump cylinder or at other points within or can be placed outside the pump cylinder.
Vorteilhafte Weiterbildungen der Erfindung sind durch die von diesem Anspruch abhängigen Un teransprüche gekennzeichnet.Advantageous developments of the invention are due to the Un dependent on this claim marked claims.
In folgendem wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels in Verbindung mit zwei Zeichnungen beschrieben. Dabei zeigt:In the following the invention based on a preferred embodiment in conjunction with described two drawings. It shows:
Fig. 1 eine vereinfachte Schnittzeichnung in Vorderansicht. Hier befindet sich das Druckprüfgerät (15) als integraler oder einschraubbarer Bestandteil in der Kolbenstange (4) des Kolbenstangengrif fes (6), wobei über die Kolbenstangenbohrung (5) die Strömungsverbindung zu dem Druckraum (19) sichergestellt wird. Proportional zum Druckanstieg im Druckraum (19) bzw. im Fahrrad schlauch, steigt auch der Druck vor dem Druckmeßkolben (8) und der Meßstift (13) fährt entspre chend aus. Nach dem Ablesen des maximal erreichten Druckes kann er Meßstift (13) wieder zu rückgeschoben werden. Fig. 1 is a simplified sectional drawing in front view. Here is the pressure tester ( 15 ) as an integral or screwable component in the piston rod ( 4 ) of the piston rod grip ( 6 ), the flow connection to the pressure chamber ( 19 ) being ensured via the piston rod bore ( 5 ). Proportional to the pressure increase in the pressure chamber ( 19 ) or in the bicycle tube, the pressure in front of the pressure measuring piston ( 8 ) and the measuring pin ( 13 ) extends accordingly. After reading the maximum pressure reached, the measuring pin ( 13 ) can be pushed back again.
Fig. 2 eine Variante bei der das Druckprüfgerät (26) endständiger integraler oder auch einschraubba rer Teil des Druckzylinders (20) ist. Die Strömungsverbindung ist durch die Druckausgleichsboh rung (24) sichergestellt. Fig. 2 shows a variant in which the pressure testing device ( 26 ) is an integral or screw-in part of the pressure cylinder ( 20 ). The flow connection is ensured by the pressure compensation bore ( 24 ).
11
Druckzylinder
Impression cylinder
22nd
Anschlußkopf
Connection head
33rd
Pumpkolben
Pump piston
44th
Kolbenstange
Piston rod
55
Kolbenstangenbohrung
Piston rod bore
66
Kolbenstangengriff
Piston rod handle
77
Fixierfeder
Fixing spring
88th
Druckmeßkolben
Pressure measuring flask
99
Druckprüffeder
Pressure test spring
1010th
Rasternut
Grid groove
1111
Führungsdeckel
Guide cover
1212th
Rasterklemme
Grid clamp
1313
Meßstift
Measuring pen
1414
Federführungsbacken
Spring jaws
1515
Druckprüfgerät
Pressure tester
1616
Druckprüfzylinder
Pressure test cylinder
1717th
Führungszylinder
Guide cylinder
1818th
Entlüftungsbohrung
Vent hole
1919th
Druckraum
Pressure room
2020th
Druckzylinder
Impression cylinder
2121
Anschlußkopf
Connection head
2222
Druckprüfzylinder
Pressure test cylinder
2323
Druckraum
Pressure room
2424th
Druckausgleichsbohrung
Pressure equalization hole
2525th
Druckmeßkolben
Pressure measuring flask
2626
Druckprüfgerät
Pressure tester
2727
Meßstift
Measuring pen
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999128118 DE19928118A1 (en) | 1999-06-19 | 1999-06-19 | Portable bicycle air pump with a pressure-testing device for pumping up a bicycle inner tube through lightweight pump valves displays maximum allowable inner tube pressure. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999128118 DE19928118A1 (en) | 1999-06-19 | 1999-06-19 | Portable bicycle air pump with a pressure-testing device for pumping up a bicycle inner tube through lightweight pump valves displays maximum allowable inner tube pressure. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19928118A1 true DE19928118A1 (en) | 2000-12-21 |
Family
ID=7911841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1999128118 Withdrawn DE19928118A1 (en) | 1999-06-19 | 1999-06-19 | Portable bicycle air pump with a pressure-testing device for pumping up a bicycle inner tube through lightweight pump valves displays maximum allowable inner tube pressure. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19928118A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009006369B3 (en) * | 2008-09-30 | 2010-05-12 | Wu, Scott, Wu Feng Hsiang | Pump, has hose removed from article after terminating pumping operation, where pressure in lifting rod and inner pipe is deaerated automatically from hose by transverse-running air duct, so that meter is automatically returned to zero |
DE102014220968B4 (en) * | 2013-10-18 | 2017-11-02 | Scott Wu | Portable pump for transmitting an air pressure value via a radio transmission for display on a mobile electronic device |
DE102015104535B4 (en) | 2014-04-02 | 2018-08-23 | Scott Wu | A portable pump capable of transmitting an air pressure value by wireless transmission to a mobile electronic device for display |
-
1999
- 1999-06-19 DE DE1999128118 patent/DE19928118A1/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009006369B3 (en) * | 2008-09-30 | 2010-05-12 | Wu, Scott, Wu Feng Hsiang | Pump, has hose removed from article after terminating pumping operation, where pressure in lifting rod and inner pipe is deaerated automatically from hose by transverse-running air duct, so that meter is automatically returned to zero |
DE102014220968B4 (en) * | 2013-10-18 | 2017-11-02 | Scott Wu | Portable pump for transmitting an air pressure value via a radio transmission for display on a mobile electronic device |
DE102015104535B4 (en) | 2014-04-02 | 2018-08-23 | Scott Wu | A portable pump capable of transmitting an air pressure value by wireless transmission to a mobile electronic device for display |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8122 | Nonbinding interest in granting licenses declared | ||
8139 | Disposal/non-payment of the annual fee |