CN102852766B - The piston rod fixing device of pump - Google Patents
The piston rod fixing device of pump Download PDFInfo
- Publication number
- CN102852766B CN102852766B CN201110181402.2A CN201110181402A CN102852766B CN 102852766 B CN102852766 B CN 102852766B CN 201110181402 A CN201110181402 A CN 201110181402A CN 102852766 B CN102852766 B CN 102852766B
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- China
- Prior art keywords
- piston rod
- cylinder
- cylinder head
- tank
- cam
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- Expired - Fee Related
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of piston rod fixing device of pump, it includes: a base being circumscribed with air-inflating tube, one is connected to the cylinder on base, the cylinder head on one closed almost cylinder top, one by the piston rod of cylinder head, one handle being installed on piston rod top, by said structure, cylinder head of the present invention has the cap bore passed through for piston rod, and be provided with the fixture that can locate air-inflating tube, cylinder head has the tank of a radial communication cap bore, install in order to provide a control piece, control piece has one and is hubbed at cam in tank, cam then has the resistance face of the corresponding packing piston rod of energy, and the active face of piston rod can be loosened, this cam is external one pulling part that can swing around shaft member with moving cam also, cam can be switched in packing or loosen between piston rod, in order to make the resistance face energy positioning piston bar of cam in lower dead point position, this pump is made to have required Security and easiness when portable.
Description
Technical field
The present invention relates to a kind of piston rod fixing device of pump, refer in particular to that a kind of piston rod fixedly can be made to have during this piston rod can not the piston rod fixing device of the careless pump of telescopic moving.
Background technique
Please refer to Fig. 1, commonly use pump, comprising:
One base 91, it is circumscribed with an air-inflating tube 92;
One cylinder 93, it has the cylinder holes running through upper and lower two ends, and this cylinder holes bottom is switched to base 91;
One piston rod 94, itself and cylinder holes are arranged coaxial, and cylinder 93 top is given prominence on this piston rod 94 top, and this piston rod 94 is also provided with one with cylinder holes in sliding piston of joining;
One cylinder head 95, it is fixedly arranged in cylinder 93 top, and in order to closed cylinder holes top, and limited piston deviates from cylinder holes, and this cylinder head 95 has the cap bore 951 can passed through for piston rod 94, and is provided with in this cylinder head periphery the C clamp tool 952 that can fix air-inflating tube 92; And
Leader 96, and it is installed on piston rod 94 top, make handle 96 can operated piston bar 94 shift reciprocately between upper dead center, lower dead centre, make piston can to-and-fro motion in cylinder holes, export superheated steam in order to make air-inflating tube 92.
Learnt by above-mentioned structure, general when this pump of portable, handle 96, piston rod 94 are depressed into lower dead centre, to make whole height be most short status, but, as long as this handle 96 1 is by External Force Acting, just piston rod 94 can be driven to stretch, light then cause the inconvenience of user's portable, heavy then have the danger of improper collision, especially when with this pump of car portable.
In view of this, the present inventor does not attain perfect caused many disappearances and inconvenience in the design of above-mentioned inflator structure, and deeply conceives, and active research improvement has a fling at and development and Design goes out this case.
Summary of the invention
The object of the present invention is to provide a kind of piston rod fixing device of pump, increase Security and the easiness of this pump of portable.
In order to reach above-mentioned purpose, solution of the present invention is:
A piston rod fixing device for pump, it includes:
One base, it is circumscribed with an air-inflating tube; One cylinder, it has the cylinder holes running through upper and lower two ends, and this cylinder holes bottom is switched to base; One piston rod, itself and cylinder holes are arranged coaxial, and cylinder head is given prominence on this piston rod top, and this piston rod is provided with one with cylinder holes in sliding piston of joining; One cylinder head, it is fixedly arranged in cylinder head and closes cylinder holes, and this cylinder head then has the cap bore can passed through for piston rod, and has the tank of a radial communication cap bore, is then crossed with a shaft member in this tank; One control piece, it has one and is arranged in tank and the cam that connects with shaft member group, and this cam then has can the resistance face of corresponding packing piston rod, and can loosen the active face of piston rod, and this cam is also circumscribed with the pulling part that can drive cam swings; And leader, it is installed on piston rod top.
Said cylinder lid is also provided with the fixture that can locate air-inflating tube, and this handle has the clip slot matched with fixture, the pile warp clip slot of air-inflating tube energy doubling and be fastened in fixture.
Said cylinder top is arranged with the restraining groove inside and outside a connection cylinder holes, is provided with the first assembly hole that radial direction runs through cylinder holes; Cylinder head bottom is then upwards arranged with an annular groove that can insert for cylinder apical margin correspondence, annular groove is made to locate in mutually chimeric with restraining groove, this cylinder head is then provided with the second assembly hole mated with the first assembly hole at outer circumferential face, cylinder head is provided with the screw mated with the first assembly hole at inner peripheral surface, screw can pass the second assembly hole, the first assembly hole and be screwed into screw fixed cylinder lid.
Said cylinder is covered with a tip hole intersected vertically with tank, and this tip hole provides a shaft member to be pivoted, shaft member energy rotation and being across in tank, and is provided with embossing within the scope of this tank; The cam of control piece then has the fixed hole connect for shaft member embossing group, and this cam can be hubbed at tank through shaft member.
A piston rod fixing device for pump, it includes:
One base, it is circumscribed with an air-inflating tube; One cylinder, it has the cylinder holes running through upper and lower two ends, and this cylinder holes bottom is switched to base; One piston rod, itself and cylinder holes are arranged coaxial, and cylinder head is given prominence on this piston rod top, and this piston rod is also provided with one with cylinder holes in sliding piston of joining; One cylinder head, it is fixedly arranged in cylinder head and closes cylinder holes, and this cylinder head is also provided with the pressure gauge of a connection air-inflating tube, and is provided with a cap bore can passed through for piston rod; This cylinder head also has a tank, and cylinder is placed on that to be formed with a meat between tank, cap bore thick, and this meat is thick, runs through the keyhole having a connection tank, cap bore, and this keyhole closes for a spigot is sliding, and is crossed with a shaft member in this tank; One control piece, it has one and is arranged in tank and the cam that connects with shaft member group, and this cam then has can the corresponding resistance face promoting spigot, and corresponding can loosen the active face of spigot, and this cam is also circumscribed with the pulling part that can drive cam swings; And leader, it is installed on piston rod top.
After adopting said structure, cylinder head of the present invention has the cap bore passed through for piston rod, and be provided with the fixture that can locate air-inflating tube, cylinder head has the tank of a radial communication cap bore, install in order to provide a control piece, control piece has one and is hubbed at cam in tank, cam then has the resistance face of the corresponding packing piston rod of energy, and the active face of piston rod can be loosened, this cam is external one pulling part that can swing around shaft member with moving cam also, cam can be switched in packing or loosen between piston rod, in order to make the resistance face energy positioning piston bar of cam in lower dead point position, this pump is made to have required Security and easiness when portable.
Accompanying drawing explanation
Fig. 1 is the schematic appearance commonly using pump;
Fig. 2 is decomposing schematic representation of the present invention;
Fig. 3 is combination schematic appearance of the present invention;
Fig. 4 A, Fig. 4 B are that cam is in packing or loosen the action schematic diagram switched between piston rod;
Fig. 5 is second embodiment of the invention schematic diagram;
Fig. 6 A, Fig. 6 B are that spigot is in packing or loosen the action schematic diagram switched between piston rod.
Primary component symbol description
10 base 11 air-inflating tube 20 cylinder 21 cylinder holes
22 restraining groove 23 first assembly hole 30 piston rod 40 cylinder heads
41 annular groove 421 second assembly hole 422 screw 423 screws
43 cap bore 44 fixture 45 tank 451 ears
46 tip hole 47 shaft member 471 embossing 48 pressure gauges
491 keyhole 492 spigot 50 control piece 51 cams
510 fixed holes 511 resist face 512 active face 52 pulling part
60 handle 61 clip slot 91 base 92 air-inflating tubes
93 cylinder 94 piston rod 95 cylinder head 951 cap bore
952 fixture 96 handles.
Embodiment
In order to explain technological scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
Fig. 2, Fig. 3, Fig. 4 A, Fig. 4 B please be consulted, the present invention includes:
One base 10, its inside is provided with a valve member, and it is located by prior art, and is circumscribed with an air-inflating tube 11 in this valve member;
One aluminium extruding cylinder 20, as shown in Figure 4 A, it has the cylinder holes 21 running through upper and lower two ends, and this cylinder holes 21 bottom is fixedly arranged on base 10, makes it the valve member connecting base 10; This cylinder 20 top is then arranged with the restraining groove 22 inside and outside a connection cylinder holes 21, is also in position provided with the first assembly hole 23 that radial direction runs through cylinder holes 21;
One piston rod 30, itself and cylinder holes 21 are in arranged coaxial, and cylinder 20 top is given prominence on this piston rod 30 top, and this piston rod 30 bottom is also provided with one can with cylinder holes 21 in sliding piston of joining;
One cylinder head 40, it is fixedly arranged in cylinder 20 top, in order to closed cylinder holes 21, make it limited piston and deviate from cylinder holes 21, this cylinder head 40 bottom is then upwards arranged with an annular groove 41 that can insert for cylinder 20 apical margin correspondence, make annular groove 41 and restraining groove 22 in mutually chimeric location, this cylinder head 40 is then provided with the second assembly hole 421 mated with the first assembly hole 23 at outer circumferential face, as shown in Figure 4 A, cylinder head 40 is provided with the screw 422 mated with the first assembly hole 23 at inner peripheral surface, screw 423 is made to pass the second assembly hole 421 according to this, first assembly hole 23 and be screwed into screw 422, in order to cylinder head 40 is fixed, this cylinder head 40 also provides a cap bore 43 passed through for piston rod 30, and be provided with the fixture 44 that can locate air-inflating tube 11, and the tank 45 be provided with in restraining groove 22 scope inside and outside radial communication cap bore 43, there is an ear 451 outwardly this cylinder head 40 periphery along tank 45 both sides extended, and be provided with a tip hole 46 intersected vertically with tank 45, this tip hole 46 provides shaft member 47 pivot joint, make shaft member 47 energy rotation and be across in tank 45, embossing 471 is provided with in this tank 45 scope,
One control piece 50, it has the cam 51 that is arranged in tank 45, this cam 51 has for shaft member 47 embossing 471 groups of fixed holes 510 connect, tank 45 can be hubbed at through shaft member 47 in order to make this cam 51, cam 51 is made to have the resistance face 511 of the corresponding packing piston rod 30 of energy, and corresponding can loosen the active face 512 of piston rod 30, this cam 51 is also circumscribed with a pulling part 52 that can swing with moving cam 51, as shown in Fig. 4 A, Fig. 4 B, in packing or switching between piston rod 30 can be loosened, so that piston rod 30 is positioned arbitrary position to make cam 51; And,
Leader 60, it is installed on piston rod 30 top, make it operated piston bar 30 shift reciprocately between upper and lower dead point, with make piston can in cylinder holes 21 back and forth movement, with cylinder holes 21 internal gas that can pressurize when piston moves down, make unidirectional being exported by air-inflating tube 11 through valve member of this superheated steam energy, but when moving on piston, its valve member can be unidirectional supply outside air in cylinder holes 21, use to provide piston pressurization next time; This handle 60 also has the clip slot 61 matched with fixture 44, the resistance face 511 packing piston rod 30 of cam 51 in lower dead centre time, its air-inflating tube 11 can doubling pile warp clip slot 61 and be fastened in fixture 44.
Learnt by above-mentioned structure; the present invention mainly forms the technology of first paragraph fixed piston rod 30 with cam 51 packing piston rod 30; suppress handle 60 with air-inflating tube 11 again and form the technology of second segment fixed piston rod 30; the outside stretching, extension that this kind of dual fixed mode is enough to guarantee that piston rod 30 can not at will get loose, can increase the Security in portable, easiness greatly.
Please referring to Fig. 5, Fig. 6 A, Fig. 6 B, it is another embodiment of the present invention, it mainly illustrates that this cylinder head 40 is also provided with the pressure gauge 48 of a connection air-inflating tube 11, the loading of cylinder head 40 can be increased due to the setting of pressure gauge 48, now its tank 45 need not be communicated with cap bore 43, and make cylinder head 40 in tank 45, the meat forming an energy abutment pressure table 48 between cap bore 43 is thick, this meat is thick, runs through and has a connection tank 45, the keyhole 491 of cap bore 43, this keyhole 491 closes for a spigot 492 is sliding, make the corresponding resistance face 511 promoting spigot 492 of cam 51 energy, and corresponding can loosen the active face 512 of spigot 492, in packing or switching between piston rod 30 can be loosened to make spigot 492.
Above-described embodiment and accompanying drawing non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (2)
1. a piston rod fixing device for pump, is characterized in that, include:
One base, it is circumscribed with an air-inflating tube;
One cylinder, it has the cylinder holes running through upper and lower two ends, and this cylinder holes bottom is switched to base; Cylinder head is arranged with the restraining groove inside and outside a connection cylinder holes, is provided with the first assembly hole that radial direction runs through cylinder holes;
One piston rod, itself and cylinder holes are arranged coaxial, and cylinder head is given prominence on this piston rod top, and this piston rod is provided with one with cylinder holes in sliding piston of joining;
One cylinder head, it is fixedly arranged in cylinder head and closes cylinder holes, and this cylinder head then has the cap bore can passed through for piston rod, and has the tank of a radial communication cap bore, is then crossed with a shaft member in this tank; Cylinder head bottom is upwards arranged with an annular groove that can insert for cylinder apical margin correspondence, annular groove is made to locate in mutually chimeric with restraining groove, this cylinder head is then provided with the second assembly hole mated with the first assembly hole at outer circumferential face, cylinder head is provided with the screw mated with the first assembly hole at inner peripheral surface, screw can pass the second assembly hole, the first assembly hole and be screwed into screw fixed cylinder lid; This cylinder head is also provided with the fixture that can locate air-inflating tube; Cylinder head is provided with a tip hole intersected vertically with tank, and this tip hole provides a shaft member to be pivoted, shaft member energy rotation and being across in tank, and is provided with embossing within the scope of this tank;
One control piece, it has one and is arranged in tank and the cam connect with shaft member group, this cam then has the resistance face of the corresponding packing piston rod of energy, and the active face of piston rod can be loosened, this cam is also circumscribed with the pulling part that can drive cam swings, the cam of control piece then has the fixed hole connect for shaft member embossing group, and this cam can be hubbed at tank through shaft member; And,
Leader, it is installed on piston rod top, and this handle has the clip slot matched with fixture, the pile warp clip slot of air-inflating tube energy doubling and be fastened in fixture.
2. a piston rod fixing device for pump, is characterized in that, include:
One base, it is circumscribed with an air-inflating tube;
One cylinder, it has the cylinder holes running through upper and lower two ends, and this cylinder holes bottom is switched to base; Cylinder head is arranged with the restraining groove inside and outside a connection cylinder holes, is provided with the first assembly hole that radial direction runs through cylinder holes;
One piston rod, itself and cylinder holes are arranged coaxial, and cylinder head is given prominence on this piston rod top, and this piston rod is also provided with one with cylinder holes in sliding piston of joining;
One cylinder head, it is fixedly arranged in cylinder head and closes cylinder holes, and this cylinder head is also provided with the pressure gauge of a connection air-inflating tube, and is provided with a cap bore can passed through for piston rod; This cylinder head also has a tank, and cylinder is placed on that to be formed with a meat between tank, cap bore thick, and this meat is thick, runs through the keyhole having a connection tank, cap bore, and this keyhole closes for a spigot is sliding, and is crossed with a shaft member in this tank; Cylinder head bottom is upwards arranged with an annular groove that can insert for cylinder apical margin correspondence, annular groove is made to locate in mutually chimeric with restraining groove, this cylinder head is then provided with the second assembly hole mated with the first assembly hole at outer circumferential face, cylinder head is provided with the screw mated with the first assembly hole at inner peripheral surface, screw can pass the second assembly hole, the first assembly hole and be screwed into screw fixed cylinder lid; This cylinder head is also provided with the fixture that can locate air-inflating tube; Cylinder head is provided with a tip hole intersected vertically with tank, and this tip hole provides a shaft member to be pivoted, shaft member energy rotation and being across in tank, and is provided with embossing within the scope of this tank;
One control piece, it has one and is arranged in tank and the cam connect with shaft member group, this cam then has the corresponding resistance face promoting spigot of energy, and corresponding can loosen the active face of spigot, this cam is also circumscribed with the pulling part that can drive cam swings, the cam of control piece then has the fixed hole connect for shaft member embossing group, and this cam can be hubbed at tank through shaft member; And,
Leader, it is installed on piston rod top, and this handle has the clip slot matched with fixture, the pile warp clip slot of air-inflating tube energy doubling and be fastened in fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181402.2A CN102852766B (en) | 2011-06-30 | 2011-06-30 | The piston rod fixing device of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181402.2A CN102852766B (en) | 2011-06-30 | 2011-06-30 | The piston rod fixing device of pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102852766A CN102852766A (en) | 2013-01-02 |
| CN102852766B true CN102852766B (en) | 2015-08-26 |
Family
ID=47399648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110181402.2A Expired - Fee Related CN102852766B (en) | 2011-06-30 | 2011-06-30 | The piston rod fixing device of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102852766B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191907A (en) * | 1921-11-28 | 1923-01-25 | John Frederick Cooper | Improvements in and relating to portable pumps for inflating pneumatic tyres and the like |
| US1453178A (en) * | 1921-02-01 | 1923-04-24 | Nicholas A Petry | Air pump |
| US4979944A (en) * | 1989-08-21 | 1990-12-25 | The Pullman Company | Surgical vacuum evacuation device |
| US6250205B1 (en) * | 1999-08-16 | 2001-06-26 | Louis Chuang | Positioning arrangement for retaining a handle of a floor pump |
| TW512881U (en) * | 2001-12-31 | 2002-12-01 | Luo-Ping Wang | Improved structure for plastic-made air pump |
| FR2843178A1 (en) * | 2002-07-31 | 2004-02-06 | Exel Ind | Manual air pump, e.g. for garden sprayer, has second sliding cylinder inside first acting as guide and fitted with lock for piston |
| TW595653U (en) * | 2003-06-05 | 2004-06-21 | Luo-Ping Wang | Air pump having anti-sliding bottom plate |
| CN101210550A (en) * | 2006-12-28 | 2008-07-02 | 吴树木 | Handgrip fixation structure for treadle inflator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090068038A1 (en) * | 2007-09-10 | 2009-03-12 | Ying-Che Huang | Pump |
-
2011
- 2011-06-30 CN CN201110181402.2A patent/CN102852766B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1453178A (en) * | 1921-02-01 | 1923-04-24 | Nicholas A Petry | Air pump |
| GB191907A (en) * | 1921-11-28 | 1923-01-25 | John Frederick Cooper | Improvements in and relating to portable pumps for inflating pneumatic tyres and the like |
| US4979944A (en) * | 1989-08-21 | 1990-12-25 | The Pullman Company | Surgical vacuum evacuation device |
| US6250205B1 (en) * | 1999-08-16 | 2001-06-26 | Louis Chuang | Positioning arrangement for retaining a handle of a floor pump |
| TW512881U (en) * | 2001-12-31 | 2002-12-01 | Luo-Ping Wang | Improved structure for plastic-made air pump |
| FR2843178A1 (en) * | 2002-07-31 | 2004-02-06 | Exel Ind | Manual air pump, e.g. for garden sprayer, has second sliding cylinder inside first acting as guide and fitted with lock for piston |
| TW595653U (en) * | 2003-06-05 | 2004-06-21 | Luo-Ping Wang | Air pump having anti-sliding bottom plate |
| CN101210550A (en) * | 2006-12-28 | 2008-07-02 | 吴树木 | Handgrip fixation structure for treadle inflator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102852766A (en) | 2013-01-02 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20210630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |