CN203770089U - Air cylinder check valve, air cylinder and pump - Google Patents
Air cylinder check valve, air cylinder and pump Download PDFInfo
- Publication number
- CN203770089U CN203770089U CN201420066894.XU CN201420066894U CN203770089U CN 203770089 U CN203770089 U CN 203770089U CN 201420066894 U CN201420066894 U CN 201420066894U CN 203770089 U CN203770089 U CN 203770089U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- air cylinder
- safety check
- butt end
- check 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
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 3
- 239000000806 elastomer Substances 0.000 claims description 22
- 238000005086 pumping Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses an air cylinder check valve, an air cylinder and a pump. The air cylinder check valve is a component integrally formed by rubber materials and comprises a valve bulb, a butting joint end and an elastic body formed between the valve bulb and the butting joint end. Thus, the air cylinder check valve is applied between an air outlet of a cylinder body of the pump and the inlet end of a channel of a connector of the air cylinder, the elastic body is directly formed at the side end of the valve bulb by using the air cylinder check valve, and the elasticity needed by the action of the air cylinder check valve is provided. Accordingly, compared with a spring type check valve structure for an air cylinder in the prior art, components can be saved, assembling is easier and more convenient, time and cost of manual assembling operation can be saved, and therefore cost is lowered.
Description
Technical field
The utility model relates to pumping machine, relates in particular to a kind of safety check for pumping machine cylinder and cylinder.
Background technique
As shown in FIG. 6 and 7, the composition structure of the electric inflating machine of known prior art is: comprise a cylinder 60 and a driving mechanism 70, described cylinder 60 lies in and in its cylinder body 61, installs a piston rod 62 for motion reciprocally, and airtight group of the side that cylinder body 61 has air outlet 611 in it connects a cylinder connector 63, between cylinder body 611 outsides, 61 air outlet and cylinder connector 63, be provided with a spring loaded check valve 64, described spring loaded check valve 64 is to be combined by a valve ball 641 and a spring 642, valve ball 641 is connected to cylinder body 61 air outlet 611 outer periphery, spring is connected between valve ball and cylinder connector madial wall, valve ball is imposed to elastic force, and make valve ball close cylinder body 61 air outlets 611, described driving mechanism 50 is comprised of a motor and a gear train, gear train is connected between motor spindle and piston rod 62, in order to piston rod 62 motions.
The electric inflating machine of prior art in use, utilize driving mechanism 50 to drive interior piston rod 62 to-and-fro motion of cylinder body 61, wherein, when air inlet, the valve ball 641 of spring loaded check valve 64 air outlet 611 of closed cylinder body 61 closely under spring 642 pushing and pressing effects, poor by the atmospheric pressure that cylinder body 61 is inside and outside, make outside air push the piston valve of piston rod 61 open and enter cylinder interior; When inflating, piston valve is closed automatically, the air of piston rod 62 pressurization cylinder body 61 inside, make the interior pressurized air of cylinder body 61 push valve ball 641 open, and from gap output between 611 of the air outlets of valve ball 641 and cylinder body 61, the gas channel 631 continuing by cylinder connector 63 is delivered to object to be inflatable inside.
The composition structure of aforementioned electric dynamic formula pumping machine, though one group of air-inflating device with the function of inflating can be provided, and in this pumping machine, being installed in spring loaded check valve between cylinder body and cylinder connector can provide gas non-return function between the air outlet of cylinder body and cylinder connector.But this spring loaded check valve system is combined by spring and valve piece, make the cylinder safety check of this pumping machine have parts on the high side, assemble time-consuming taking a lot of work and man-made assembly high in cost of production problem.
Summary of the invention
The utility model is the defect that overcomes prior art, provide a kind of and can solve existing spring loaded check valve member in the pumping machine cylinder cylinder safety check with man-made assembly high in cost of production problem on the high side that is applied to, it comprises valve ball portion, butt end, and forms in the elastomer portions between valve ball portion and butt end.
Preferably, described valve ball portion to form semicircle spherical; The central hole that forms of described elastomer portions, its butt end comprises the annular solid with mesopore, and the mesopore of described butt end is communicated with the hole of described elastomer portions.
Further preferred, described butt end forms plural spaced extension projection in annular solid outer periphery, and described annular solid periphery is extended between projection and formed breach in every two.
Also preferred, the outer dia that described elastomer portions is connected the two ends of described valve ball portion and described butt end is less than the outer dia in described elastomer portions stage casing and forms the bent body of an arc.
The utility model also provides a kind of cylinder, and it comprises the cylinder safety check as described in front any one.
Preferably, described cylinder also comprises for driving the reciprocating driving mechanism of described piston rod 40.
The utility model also further provides a kind of pumping machine, and it comprises the cylinder as described in front any one.
The beneficial effects of the utility model are: utilize the integrally formed cylinder safety check of rubber directly to form elastomer portions in valve ball portion side, in order to provide this cylinder safety check to move required elastic force, this cylinder safety check can be directly installed between the air outlet and cylinder connector of cylinder body, thereby without the spring in spring loaded check valve of the prior art, allow pumping machine make Assembly Action more easy easily because saving parts, reduce man-made assembly activity duration and expense, and then reduced cost.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the cylinder safety check of a preferred embodiment.
Fig. 2 is the perspective exploded view of the safety check of cylinder shown in Fig. 1 and cylinder body, cylinder connector.
Fig. 3 is that shown in Fig. 1 and Fig. 2, cylinder safety check is applied to the partial cutaway schematic in pumping machine.
Fig. 4 is the local enlarged diagram of Fig. 3.
Fig. 5 is the cylinder safety check of Fig. 1 use state reference map between cylinder block and cylinder connector.
Fig. 6 is the schematic perspective view of the electric inflator of prior art.
Fig. 7 is the partial cutaway schematic of the electric inflator of prior art shown in Fig. 6.
Description of reference numerals:
10 cylinder safety check 121 holes
11 valve ball portion 13 butt ends
12 elastomer portions 131 annular solids
132 extend projection 60 cylinders
20 cylinder body 61 cylinder bodies
21 611 air outlets, air outlets
22 containing space 62 piston rods
30 cylinder connector 63 cylinder connectors
31 feeder connection end 631 gas channels
311 opening 64 spring loaded check valves
32 gas channel 641 valve balls
40 piston rod 642 springs
50 driving mechanisms
Embodiment
Preferred embodiment the utility model is described in further detail to contrast accompanying drawing combination below.
Embodiment 1
As shown in Figure 1, it is a preferred embodiment of the cylinder safety check 10 of the present embodiment, by figure, can be seen, described cylinder safety check 10 is the integrally formed member of quality of rubber materials, it includes a valve ball portion 11, an elastomer portions 12 and a butt end 13, the spherical type body of described valve ball portion's 11 formation semicircle, described elastomer portions 12 forms between valve ball portion 11 and butt end 13, elastomer portions 12 central authorities form a hole 121, butt end 13 comprises an annular solid 131 with mesopore, and the mesopore of annular solid 131 is communicated with the hole 121 of elastomer portions 12.
As shown in Figure 1, in this preferred embodiment, described elastomer portions 12 is connected valve ball portion 11 and is less than the outer dia in elastomer portions 12 stage casings and forms the bent body of an arc with the two ends outer dia of butt end 13, and the hole 121 of collocation elastomer portions 12 inside, makes elastomer portions 12 have good compression and elasticity recovery.Described butt end 13 also can form the projection 132 that plural number is spaced extension in its annular solid 131 outer periphery, makes annular solid 131 peripheries extend between projection 132 and form breach in every two.
As shown in Figures 2 and 3, the cylinder safety check 10 of the present embodiment is during for pumping machine, this cylinder safety check 10 is installed in the containing space 22 in 21 outsides, air outlet of cylinder block 20 and between the feeder connection end 31 of cylinder connector 30, the feeder connection end 31 of butt end 13 contact cylinder connectors 30, by elastomer portions 12, provide elastic force, under normal conditions, valve ball portion 11 is closely against the 21 outer periphery places, air outlet of cylinder body 20 and closes air outlet 21.
When pumping machine is inflated to object to be inflatable, as shown in Figure 4 and Figure 5, utilize driving mechanism 50 to drive interior piston rod 40 to-and-fro motion of cylinder body 20, and air pressurized is poured into object to be inflatable inside, wherein, when air inlet, the air outlet 21 of closed cylinder body 20 closely under the elastic force effect that the valve ball portion 11 of the cylinder safety check 10 of the present embodiment provides in elastomer portions 12, poor by the atmospheric pressure that cylinder body 20 is inside and outside, make outside air push the piston valve of piston rod 40 open and enter cylinder body 20 inside; When inflating, piston valve is closed automatically, the air of piston rod 40 pressurization cylinder body 20 inside, make the valve ball portion 11 of interior this cylinder safety check 10 of pressurized air ejection of cylinder body 20 detach gas port 21, and forced air is by the gap between air outlet 21 sidewalls of valve ball portion 11 and cylinder body 20, continuous opening 311 and gas channel 32 by cylinder connector 30 feeder connection ends 31 is delivered to object to be inflatable inside.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; can also make some being equal to substitutes or obvious modification, and performance or purposes identical, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. a cylinder safety check, is characterized in that: be the integrally formed member of quality of rubber materials, it comprises valve ball portion, butt end, and forms in the elastomer portions between valve ball portion and butt end.
2. cylinder safety check as claimed in claim 1, is characterized in that: it is spherical that described valve ball portion forms semicircle; The central hole that forms of described elastomer portions, its butt end comprises the annular solid with mesopore, and the mesopore of described butt end is communicated with the hole of described elastomer portions.
3. cylinder safety check as claimed in claim 2, is characterized in that: described butt end forms plural spaced extension projection in annular solid outer periphery, and described annular solid periphery is extended between projection and formed breach in every two.
4. the cylinder safety check as described in claim 1,2 or 3, is characterized in that: the outer dia that described elastomer portions is connected the two ends of described valve ball portion and described butt end is less than the outer dia in described elastomer portions stage casing and forms the bent body of an arc.
5. a cylinder, comprises cylinder body and is placed in its inner piston rod, and cylinder safety check, and cylinder connector, is characterized in that: described cylinder safety check, as described in claim 1-4 any one, is installed between cylinder block and cylinder connector.
6. cylinder as claimed in claim 5, is characterized in that: described cylinder also comprises for driving the reciprocating driving mechanism of described piston rod 40.
7. a pumping machine, is characterized in that: comprise the cylinder as described in claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066894.XU CN203770089U (en) | 2014-02-14 | 2014-02-14 | Air cylinder check valve, air cylinder and pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066894.XU CN203770089U (en) | 2014-02-14 | 2014-02-14 | Air cylinder check valve, air cylinder and pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770089U true CN203770089U (en) | 2014-08-13 |
Family
ID=51287286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420066894.XU Expired - Lifetime CN203770089U (en) | 2014-02-14 | 2014-02-14 | Air cylinder check valve, air cylinder and pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770089U (en) |
-
2014
- 2014-02-14 CN CN201420066894.XU patent/CN203770089U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180309 Address after: No. 3-1, No. three, Sun Industrial City, Baihua Town, Huidong County, Huizhou, Guangdong Patentee after: DASHENG TIANCHENG TECHNOLOGY (HUIZHOU) CO.,LTD. Address before: 518000 Qinglong Road, Longhua street, Shenzhen, Guangdong Province, No. 10 Patentee before: DADA ELECTRONIC INDUSTRIAL (SHENZHEN) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |