CN203430728U - Cam compression type tire pump - Google Patents
Cam compression type tire pump Download PDFInfo
- Publication number
- CN203430728U CN203430728U CN201320527679.0U CN201320527679U CN203430728U CN 203430728 U CN203430728 U CN 203430728U CN 201320527679 U CN201320527679 U CN 201320527679U CN 203430728 U CN203430728 U CN 203430728U
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- cam
- pump
- pump housing
- baffle plate
- compression type
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Abstract
The utility model relates to a cam compression type tire pump which comprises an air pump, and the air pump is a cam compression type air pump. The air pump comprises a pump body, a pump body cover, a cam and a baffle. The pump body is of a cylindrical cavity structure provided with a bottom surface, and a bearing hole is formed in the center of the bottom surface of the pump body. The pump body cover covers the other end where the pump body is opposite to the bottom surface. The cam is of a cylinder structure, and the thickness of the cam is the same as that of the internal space of the pump body. The cam is provided with a shaft hole, and the shaft hole and the bearing hole in the bottom surface of the pump body are in the same axis. The cam is arranged in the cavity of the pump body, and a cam shaft of the cam penetrates through the bearing hole in the bottom surface of the pump body and the shaft hole in the cam. A baffle inserting groove is formed in the sidewall of the pump body, the baffle penetrates through the baffle inserting groove and abuts against the outer wall of the cam, and the baffle and the cam divide the inner cavity of the pump body into an air storage cavity and an air exhaust cavity. Through the adoption of a cam compression type air pump inflating mode, the inflating efficiency is improved, and the appearance size of the tire pump is reduced.
Description
Technical field
The utility model relates to a kind of inflator, is specifically related to a kind of cam compression type pump.
Background technique
Air pump, is commonly called as pump, for injecting or supplementing various tires, the required air of ball and various elastic bags.According to the difference of airing form, air pump can be divided three classes: manual pump, pin are stepped on pump and electric inflation pump.Manual pump is divided into two kinds: a kind of is the ox-hide bowl pump that old-fashioned inner tube is slided, and basic boom is piston structure, adopts oil lubricating, and during due to inflation, pull is heavy, the shortcomings such as clothing of easily making dirty, the market of gradually fading out; Another kind is that public attention formula pump that novel outer tube slides (is called for short: Novel inflating pump), it is a simple one-way valve, when outer tube is up carried, the aperture that air puts from inflator outer tube lower end enters in inflator, at this moment by handle when pressing down, gas will enter inflator inner tube through being arranged on the one-way cock on inner tube top, enters the valve of tire along leather hose, advantage is that pull is brisk, is difficult for the clothing of making dirty.Widely used pin is stepped on pump and is divided into single tube and two-tube two classes, and working principle is identical with Novel inflating pump, adopts the mode tramping with one's feet and inflates, and it is higher than the charging efficiency of single tube that pin is stepped on double-barreled pump, but will require great effort.Electric inflation pump, by pedestal, motor, driving gear, piston rod, pressure gauge and steam outlet pipe, formed, the intrinsic motor of one end spiral shell and the driving gear of pedestal, and the small gear on motor output shaft is meshed with this driving gear, the pedestal the other end is provided with cylinder and the room communicating, this cylinder is for the socket of piston rod one end, and the piston rod the other end and driving gear bias are hinged; The solid pressure gauge of room opening end spiral shell, room suitably place is connected with a sleeve pipe, can supply and the solid steam outlet pipe of cover joint of this steam outlet pipe end pipe fixed, can be for the valve socket with tire, during use, by driven by motor driving gear, make piston rod reciprocating and to inflation of tire to cylinder, electric inflation pump be take motor as power, expensive, build is huge, can only use at particular place.
Model utility content
Technical problem to be solved in the utility model be to provide a kind of laborsaving, charging efficiency is high, simple in structure, with low cost, be easy to realize, nonabradable cam compression type pump.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of cam compression type pump, comprise air pump, described air pump is cam compression type air pump, comprise the pump housing, pump casing cover, cam, baffle plate, the described pump housing is a cylindrical chamber's structure with bottom surface, the bottom center place of the described pump housing is provided with a bearing hole, described pump casing cover covers in the described pump housing other one end relative with its bottom surface, described cam is the cylindrical structure that a thickness is identical with the thickness in pump body space, described cam be provided with one with the axis hole of pump housing bottom surface bearing hole on same axis, described cam is arranged in the chamber of the described pump housing, the camshaft of described cam is through the bearing hole on described pump housing bottom surface and the axis hole on cam, described pump housing sidewall is provided with baffle plate slot, described baffle plate is inconsistent through described baffle plate slot and described cam outer wall, described baffle plate and cam are divided into air storing cavity and exhaust cavity by described pump housing inner chamber.
The beneficial effects of the utility model are: adopt cam compression type air-pump inflating mode, compare with the airing form of piston structure, make air cavity space, the inside reduction of inflator over half, further reduced the size of pump, not only improved charging efficiency, and dwindled the overall volume of inflator, be convenient for carrying.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, on described pump housing sidewall, differ from the position of baffle plate slot and be provided with steel ball check one-way valve, steel ball check one-way valve place on described pump housing sidewall is connected with air pipe, near on the pump housing sidewall of described baffle plate one side, be provided with a blowhole, described blowhole is communicated with air storing cavity and ambient atmosphere, on the pump housing sidewall of described baffle plate opposite side, be provided with gas guide groove, described gas guide groove is provided with exhaust port near one end of described baffle plate, described exhaust port is communicated with exhaust cavity and gas guide groove, and the other end of described gas guide groove is communicated with steel ball check one-way valve.
Further, described a kind of cam compression type pump also comprises casing, piston expansion device, tooth bar, gear,
Described casing top is provided with two positioning holes, is provided with a through hole matching with described tooth bar shape and size between described two positioning holes;
Described piston expansion device comprises positioning rod, foot treadle, support, Returnning spring, described positioning rod is provided with two, two positioning holes at described casing top are passed respectively in one end of described two positioning rods, one end that described two positioning rods are positioned at box house is separately fixed on the two ends of described support, the other end that described two positioning rods are positioned at casing outside is separately fixed on described foot treadle, one end of described Returnning spring is fixed on the inwall at described casing top, and the other end of described Returnning spring is fixed on described support;
Described tooth bar is fixed on described foot treadle by described through hole one end, and the other end is fixed on described support;
Described air pump is fixedly mounted on described cabinet wall, and described gear is arranged on described camshaft, is positioned at the outside of the described pump housing, and described gear is meshed with described tooth bar.
Adopt the beneficial effect of above-mentioned further scheme to be: a kind of cam compression type of the utility model pump adopts pedal and the automatically reset airing form of retracting spring, operator's gas replenishment process that also can be seated of can standing, simple to operate laborsaving; Adopt gear rack transmission, compact structure and velocity ratio are accurate simultaneously.
Further, between the described pump housing and described baffle plate, be provided with spring, described spring is provided with two, on the outer side center line of described pump casing cover and pump housing bottom surface, be arranged with a pair of polished rod screw, described baffle plate is positioned on the two ends of pump housing external lateral portion and is respectively equipped with a hanger, one end of described two springs is connected on the hanger of baffle plate, and the other end of described two springs is connected respectively on the polished rod screw of pump casing cover and pump housing bottom surface.
Adopt the beneficial effect of above-mentioned further scheme to be: between the pump housing and described baffle plate, be provided with spring, described spring makes to remain that sealing contacts, and has guaranteed the sealing of two chambers of pump body between baffle plate and cam.
Further, between described pump casing cover and pump housing sidewall, be provided with packing ring.
Adopt the beneficial effect of above-mentioned further scheme to be: between pump casing cover and pump housing top sidewall, to be provided with packing ring, to have guaranteed the sealing of pump casing cover and the pump housing, air pump sealing is not well leaked, improved charging efficiency.
Further, the width of described baffle plate and the thickness of described cam equate.
Adopt the beneficial effect of above-mentioned further scheme to be: the width of baffle plate equates with the thickness of described cam, and two chambers in pump body space are sealed, and has guaranteed the sealing of air pump, improve charging efficiency.
Further, one end that described camshaft is positioned at described pump housing bottom surface outside is connected with described gear by overrunning clutch.
Further, described Returnning spring is provided with two, and described two Returnning springs spatially become splayed shape to be separately fixed at the position of close described positioning rod between described casing top inner wall and described support, and is positioned at the inner side of two positioning rods.
Adopt the beneficial effect of above-mentioned further scheme to be: two Returnning springs spatially become splayed shape to be separately fixed between described casing top inner wall and described support, make Returnning spring when resetting, support and casing top remain balance, make to be difficult for getting stuck between wheel and rack, being beneficial to piston expansion device can back and forth move up and down in casing.
Further, on two sidewalls of casing, be arranged with two blocks, the two ends of described support lay respectively at the below of two blocks, on two sidewalls of the casing above described two blocks, be respectively equipped with a gusset, on described two gussets, be respectively equipped with a guide rod hole, guide rod hole on described two gussets is coaxial with two positioning holes on corresponding casing top respectively, and described two positioning rods are respectively through the guide rod hole on described two gussets.
Adopt the beneficial effect of above-mentioned further scheme to be: two baffle plates on wall box make Returnning spring when resetting that upwards indentation completes, and can block support not because inertia continues to move up; Positioning rod, through the guide rod hole on gusset, is further strengthened positioning rod and is moved within the specific limits simultaneously, makes positioning rod be difficult for transverse shakiness.
Further, described bottom half is provided with a support chassis, and described support chassis is round structure, is evenly provided with three chassis overhangs in the support chassis of described circle.
Adopt the beneficial effect of above-mentioned further scheme to be: casing chassis adopts circular support chassis, circular support chassis is provided with three equally distributed chassis overhangs, in the process that can guarantee using at a kind of cam compression type of the utility model pump, casing can stand on ground stably, is difficult for skewing.
Accompanying drawing explanation
Fig. 1 is the integral planar structural representation of a kind of cam compression type of the utility model pump;
Fig. 2 is the perspective view of a kind of cam compression type of the utility model pump;
Fig. 3 is the plane structure schematic diagram that a kind of cam compression type of the utility model pump master looks;
Fig. 4 is the plane structure schematic diagram that a kind of cam compression type pump of the utility model left side is looked;
Fig. 5 is the inside perspective view of the air pump of a kind of cam compression type of the utility model pump;
Fig. 6 is the perspective view of the air pump integral body of a kind of cam compression type of the utility model pump;
Fig. 7 is the plane structure schematic diagram that the air pump master of a kind of cam compression type of the utility model pump looks;
Fig. 8 is the plane structure schematic diagram that the air pump of a kind of cam compression type of the utility model pump is overlooked;
Fig. 9 is the plane structure schematic diagram that the air pump of a kind of cam compression type of the utility model pump is looked up;
Figure 10 is the plane structure schematic diagram of the air pump side-looking of a kind of cam compression type of the utility model pump.
In accompanying drawing, the list of parts of each label representative is as follows:
1, casing, 1.1, block, 1.2, gusset, 2, piston expansion device, 2.1, positioning rod, 2.2, foot treadle, 2.3, support, 2.4, Returnning spring, 3, tooth bar, 4, air pump, 4.1, the pump housing, 4.2, pump casing cover, 4.3, cam, 4.4, baffle plate, 4.5, camshaft, 4.6, spring, 4.7, gas guide groove, 4.8, air storing cavity, 4.9, exhaust cavity, 4.10, inlet hole, 4.11, steel ball check one-way valve, 4.12, packing ring, 5, gear, 6, air pipe, 7, support chassis, 8, chassis overhang.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of cam compression type pump, comprise casing 1, piston expansion device 2, tooth bar 3, air pump 4, gear 5, described casing 1 top is provided with two positioning holes, is provided with a through hole matching with tooth bar 3 shape and size between described two positioning holes, described piston expansion device 2 comprises positioning rod 2.1, foot treadle 2.2, support 2.3, Returnning spring 2.4, described positioning rod 2.1 is provided with two, one end of described two positioning rods 2.1 respectively through described casing 1 top two positioning holes, thereby make described positioning rod 2.1 parts be positioned at described casing 1 inside, a part is stretched out described casing 1, one end that described two positioning rods 2.1 are positioned at casing 1 inside is separately fixed on the two ends of described support 2.3, the other end that described two positioning rods 2.1 are positioned at casing 1 outside is separately fixed on described foot treadle 2.2, one end of described Returnning spring 2.4 is fixed on the inwall at described casing 1 top, the other end of described Returnning spring 2.4 is fixed on described support 2.3, preferably, described Returnning spring 2.4 is provided with two, described two Returnning springs 2.4 spatially become splayed shape to be separately fixed at the position of close described positioning rod 2.1 between described casing 1 top inner wall and described support 2.3, and be positioned at the inner side of two positioning rods 2.1, on two sidewalls of casing 1, be arranged with two blocks 1.1, the two ends of described support 2.3 lay respectively at the below of two blocks 1.1, on two sidewalls of the casing 1 above described two blocks 1.1, be respectively equipped with a gusset 1.2, on described two gussets 1.2, be respectively equipped with a guide rod hole, guide rod hole on described two gussets 1.2 is coaxial with two positioning holes on corresponding casing 1 top respectively, and described two positioning rods 2.1 are respectively through the guide rod hole on described two gussets 1.2, described tooth bar 3 is fixed on described foot treadle 2.2 by described through hole one end, and the other end is fixed on described support 2.3, and described two positioning rods 2.1 and tooth bar 3 are parallel to each other in space.
Described air pump 4 is cam compression type air pump, as Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, comprise the pump housing 4.1, pump casing cover 4.2, cam 4.3, baffle plate 4.4, the described pump housing 4.1 is a cylindrical chamber's structure with bottom surface, the center of the bottom surface of the described pump housing 1 is provided with a bearing hole, described pump casing cover 4.2 covers the other one end relative with its bottom surface at the described pump housing 4.1, between described pump casing cover 4.2 and the pump housing 4.1 sidewalls, be provided with packing ring 4.12, described cam 4.3 is the cylindrical structure that a thickness is identical with the thickness of the pump housing 4.1 inner spaces, described cam 4.3 be provided with one with the axis hole of the pump housing 4.1 bottom surface bearing holes on same axis, described cam 4.3 is arranged in the chamber of the described pump housing 4.1, the camshaft 4.5 of described cam 4.3 is through the bearing hole on the described pump housing 4.1 bottom surfaces and the axis hole on cam 4.3, described cam 4.3 can rotate under the drive of camshaft 4.5, the pump housing 4.1 is static, cam 4.3 can rotate with respect to the described pump housing 1 like this, the described pump housing 4.1 sidewalls are provided with baffle plate slot, described baffle plate 4.4 is inconsistent through described baffle plate slot and described cam 4.3 outer walls, the width of described baffle plate 4.4 equates with the thickness of described cam 4.3, between the described pump housing 4.1 and described baffle plate 4.4, be provided with spring 4.6, described spring 4.6 is provided with two, on the outer side center line of described pump casing cover 4.2 and the pump housing 4.1 bottom surfaces, be arranged with a pair of polished rod screw, described two polished rod screws and described baffle plate 4.4 are at grade, described baffle plate 4.4 is positioned on the two ends of the pump housing 4.1 external lateral portion and is respectively equipped with a hanger, one end of described two springs 4.6 is connected on the hanger of baffle plate 4.4, the other end of described two springs 4.6 is connected respectively on the polished rod screw of pump casing cover 4.2 and the pump housing 4.1 bottom surfaces, on the described pump housing 4.1 sidewalls, differ from the position of baffle plate slot and be provided with steel ball check one-way valve 4.11, described baffle plate 4.4 and cam 4.3 are divided into air storing cavity 4.8 and exhaust cavity 4.9 by the space in the pump housing 4.1, near on the pump housing 4.1 sidewalls of described baffle plate 4.4 1 sides, be provided with a blowhole 4.10, as shown in Figure 8, described blowhole 4.10 is communicated with air storing cavity 4.8 and ambient atmosphere, near on the pump housing 4.1 sidewalls of described baffle plate 4.4 opposite sides, be provided with gas guide groove 4.7, described gas guide groove 4.7 is provided with exhaust port near one end of baffle plate 4.4, described exhaust port is communicated with exhaust cavity 4.9 and gas guide groove 4.7, the other end of described gas guide groove 4.7 is communicated with steel ball check one-way valve 4.11.
Described gear 5 is arranged on one end that described camshaft 4.5 is positioned at pump housing bottom surface outside, and one end of the camshaft 4.5 in the described pump housing 4.1 outsides, bottom surfaces is connected with gear 5 by overrunning clutch, and described gear 4.5 is meshed with described tooth bar 3.Like this, described tooth bar 3 can driven gear 4.5 rotates, and this gear 4.5 can drive described cam 4.3 to rotate, thereby causes air storing cavity 4.8 in the described pump housing 4.1 and the variation of exhaust cavity 4.9 volumes.
Steel ball check one-way valve 4.11 places on the described pump housing 4.1 sidewalls are connected with air pipe 6, and described air pipe 6 is through described casing 1 wall.
Described casing 1 bottom is provided with a support chassis 7, and described support chassis 7 is round structure, is evenly provided with three chassis overhangs 8 in the support chassis 7 of described circle.
In the process of a kind of cam compression type of the utility model pump work, step on pedal 2.2, tooth bar 3 moves downward, driven gear 5 Returnning spring 2.4 accumulation of energys of rotating and stretch, what adopt due to the transmission of gear 5 and camshaft 4.5 is one-way clutch bearing structure, now one-way clutch bearing is in closed state, gear 5 drives camshaft 4.5 to rotate, while lifting pin, Returnning spring 2.4 draws tooth bar 3 on releasing energy automatically, now overrunning clutch is in separated state, and gear 5 rotates and camshaft 4.5 remains static; One end of camshaft 4.5 is connecting the cam 4.3 of air pump 4 inside, and when camshaft 4.5 band moving cams 4.3 rotate, the air storing cavity 4.8 in air pump 4 and exhaust cavity 4.9 sizes periodically change.
When stepping on pedal 2.2 downwards and inflating to elastic container, cam 4.3 rotates under the drive of camshaft 4.5, in the process of cam 4.3 rotations, cam 4.3 heads on baffle plate 4.4 and radially slides along the baffle plate groove on the pump housing 4.1 sidewalls, baffle plate 4.4 is applied with installation initial load with the spring 4.6 on the pump housing 4.1, hold baffle plate 4.4 inconsistent with cam 4.3, guarantee that 4.3 sidewall sealings contact with cam all the time in baffle plate 4.4 bottoms, guaranteed the sealing of air storing cavity 4.8 and exhaust cavity 4.9, the cam 4.3 of rotation is by the air compressing of 4.9 li of exhaust cavitys, the continuous pressurized gas of cam 4.3, exhaust cavity 4.9 internal air pressures rise gradually, when exhaust cavity 4.9 internal air pressures are greater than the pressure in elastic container, the interior air of exhaust cavity 4.9 enters gas guide groove 4.7 by exhaust port and then backs down check steel ball one-way valve 4.11, by air pipe 6, enter elastic container, meanwhile, the interior formation negative pressure of air storing cavity 4.8, ambient atmos enters air storing cavity 4.8 by blowhole 4.10, along with the continuous rotation of cam 4.3, exhaust cavity 4.9 diminishes gradually, and contrary air storing cavity 4.8 becomes large gradually, and exhaust cavity 4.9 is invariable with the volume sum of air storing cavity 4.8.From exhaust cavity 4.9 internal volumes minimum (cam 4.3 outer walls are just blocked exhaust port) to air storing cavity 4.8 volumes maximum (cam 4.3 outer walls are just blocked blowhole 4.10) during this period of time in, air storing cavity 4.8 suspends to be inflated.Because exhaust port and blowhole 4.10 are positioned on the pump housing sidewall near baffle plate 4.4 both sides, exhaust port and blowhole 4.10 close proximity, the time lag that cam 4.3 is rolled to blowhole 4.10 from exhaust port is very short, on gas replenishment process without impact.When cam 4.3 and the pump housing 4.1 sidewall contacts partly turn over 4.10 moments of blowhole, exhaust cavity 4.9 is changed again in the space of volume maximum into, and now the space of volume minimum is air storing cavity 4.8, repeats above-mentioned gas replenishment process, and so forth, until inflated.
The foregoing is only 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., within all should being included in protection domain of the present utility model.
Claims (10)
1. a cam compression type pump, it is characterized in that: comprise air pump, described air pump is cam compression type air pump, comprise the pump housing, pump casing cover, cam, baffle plate, the described pump housing is a cylindrical chamber's structure with bottom surface, the bottom center place of the described pump housing is provided with a bearing hole, described pump casing cover covers in the described pump housing other one end relative with its bottom surface, described cam is the cylindrical structure that a thickness is identical with the thickness in pump body space, described cam be provided with one with the axis hole of pump housing bottom surface bearing hole on same axis, described cam is arranged in the chamber of the described pump housing, the camshaft of described cam is through the bearing hole on described pump housing bottom surface and the axis hole on cam, described pump housing sidewall is provided with baffle plate slot, described baffle plate is inconsistent through described baffle plate slot and described cam outer wall, described baffle plate and cam are divided into air storing cavity and exhaust cavity by described pump housing inner chamber.
2. a kind of cam compression type pump according to claim 1, it is characterized in that: on described pump housing sidewall, differ from the position of baffle plate slot and be provided with steel ball check one-way valve, steel ball check one-way valve place on described pump housing sidewall is connected with air pipe, near on the pump housing sidewall of described baffle plate one side, be provided with a blowhole, described blowhole is communicated with air storing cavity and ambient atmosphere, on the pump housing sidewall of described baffle plate opposite side, be provided with gas guide groove, described gas guide groove is provided with exhaust port near one end of described baffle plate, described exhaust port is communicated with exhaust cavity and gas guide groove, the other end of described gas guide groove is communicated with steel ball check one-way valve.
3. a kind of cam compression type pump according to claim 1, is characterized in that: also comprise casing, piston expansion device, tooth bar, gear,
Described casing top is provided with two positioning holes, is provided with a through hole matching with described tooth bar shape and size between described two positioning holes;
Described piston expansion device comprises positioning rod, foot treadle, support, Returnning spring, described positioning rod is provided with two, two positioning holes at described casing top are passed respectively in one end of described two positioning rods, one end that described two positioning rods are positioned at box house is separately fixed on the two ends of described support, the other end that described two positioning rods are positioned at casing outside is separately fixed on described foot treadle, one end of described Returnning spring is fixed on the inwall at described casing top, and the other end of described Returnning spring is fixed on described support;
Described tooth bar is fixed on described foot treadle by described through hole one end, and the other end is fixed on described support;
Described air pump is fixedly mounted on described cabinet wall, and described gear is arranged on described camshaft, is positioned at the outside of the described pump housing, and described gear is meshed with described tooth bar.
4. according to a kind of cam compression type pump described in claim 1-3 any one, it is characterized in that: between the described pump housing and described baffle plate, be provided with spring, described spring is provided with two, on the outer side center line of described pump casing cover and pump housing bottom surface, be arranged with a pair of polished rod screw, described baffle plate is positioned on the two ends of pump housing external lateral portion and is respectively equipped with a hanger, one end of described two springs is connected on the hanger of baffle plate, and the other end of described two springs is connected respectively on the polished rod screw of pump casing cover and pump housing bottom surface.
5. according to a kind of cam compression type pump described in claim 1-3 any one, it is characterized in that: between described pump casing cover and pump housing sidewall, be provided with packing ring.
6. according to a kind of cam compression type pump described in claim 1-3 any one, it is characterized in that: the width of described baffle plate equates with the thickness of described cam.
7. a kind of cam compression type pump according to claim 3, is characterized in that: one end that described camshaft is positioned at outside, described pump housing bottom surface is connected with described gear by overrunning clutch.
8. a kind of cam compression type pump according to claim 3, it is characterized in that: described Returnning spring is provided with two, described two Returnning springs spatially become splayed shape to be separately fixed at the position of close described positioning rod between described casing top inner wall and described support, and are positioned at the inner side of two positioning rods.
9. a kind of cam compression type pump according to claim 3, it is characterized in that: on two sidewalls of casing, be arranged with two blocks, the two ends of described support lay respectively at the below of two blocks, on two sidewalls of the casing above described two blocks, be respectively equipped with a gusset, on described two gussets, be respectively equipped with a guide rod hole, guide rod hole on described two gussets is coaxial with two positioning holes on corresponding casing top respectively, and described two positioning rods are respectively through the guide rod hole on described two gussets.
10. a kind of cam compression type pump according to claim 3, is characterized in that: described bottom half is provided with a support chassis, and described support chassis is round structure, is evenly provided with three chassis overhangs in the support chassis of described circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527679.0U CN203430728U (en) | 2013-08-27 | 2013-08-27 | Cam compression type tire pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527679.0U CN203430728U (en) | 2013-08-27 | 2013-08-27 | Cam compression type tire pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430728U true CN203430728U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320527679.0U Expired - Fee Related CN203430728U (en) | 2013-08-27 | 2013-08-27 | Cam compression type tire pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485998A (en) * | 2013-08-27 | 2014-01-01 | 付磊 | Cam compression type inflator |
| CN108607206A (en) * | 2016-08-03 | 2018-10-02 | 苏建华 | A kind of inflation method of sport vollyball quick air-inflating apparatus |
-
2013
- 2013-08-27 CN CN201320527679.0U patent/CN203430728U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485998A (en) * | 2013-08-27 | 2014-01-01 | 付磊 | Cam compression type inflator |
| CN103485998B (en) * | 2013-08-27 | 2015-11-18 | 付磊 | A kind of cam compression type inflator |
| CN108607206A (en) * | 2016-08-03 | 2018-10-02 | 苏建华 | A kind of inflation method of sport vollyball quick air-inflating apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140212 Termination date: 20150827 |
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