CN208106879U - A kind of pump cylinder - Google Patents
A kind of pump cylinder Download PDFInfo
- Publication number
- CN208106879U CN208106879U CN201820450784.1U CN201820450784U CN208106879U CN 208106879 U CN208106879 U CN 208106879U CN 201820450784 U CN201820450784 U CN 201820450784U CN 208106879 U CN208106879 U CN 208106879U
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- CN
- China
- Prior art keywords
- piston
- rear cover
- cylinder barrel
- front cover
- piston rod
- 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.)
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Abstract
The utility model discloses a kind of pump cylinders, front cover, cylinder barrel and rear cover, front cover and rear cover are connected to cylinder barrel both ends, mobilizable piston and piston rod are equipped in cylinder barrel, piston rod one end is fixedly connected with the piston, the piston rod other end passes through cylinder barrel and stretches out outside front cover, piston will be separated into left chamber and right chamber inside cylinder barrel, front cover is equipped with the first air inlet being connected to left chamber, the second air inlet for being equipped with and being connected to right chamber is covered afterwards, after cover equipped with mounting base, mounting base is an integral molding structure with rear cover, and connection bearing is equipped in mounting base.The door of the utility model pumps cylinder, and by being covered after equipped with mounting base, mounting base is an integral molding structure with rear cover so that door pump cylinder can be directly mounted on car so that manufacture, mounting process it is simple, at low cost, stable working performance.
Description
Technical field
The utility model relates to cylinder technical field, in particular to a kind of pump cylinders.
Background technique
With the fast development of bus industry, Outer turning service door system is safe and reliable, easy to operate, by increasingly
Selected by more car producers.The opening and closing of door for coach are to pump cylinder by door to drive, and door pumps cylinder using more.
Existing door pump cylinder generally includes cylinder barrel, front cover, rear cover and piston rod, and front cover and rear cover are fixedly installed on respectively
Cylinder barrel both ends are movably equipped with piston in cylinder barrel, and piston will be separated into left chamber and right chamber, front cover and rear end cap inside cylinder barrel
On be respectively equipped with bumper ring with piston cooperation, front cover is equipped with the first air inlet for be connected to left chamber, after cover equipped with
Second air inlet of right chamber connection, piston rod one end are fixedly connected with the piston, and the piston rod other end passes through front cover and stretches out in cylinder
Cylinder is outer.
Existing door pump cylinder is to be installed on car by monaural mounting base, but monaural mounting base is as independent
Part is fixedly connected by screw with rear cover, so that manufacture, mounting process are complicated, and at high cost, working performance is not steady enough
It is fixed.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of pump cylinder is provided, by the way that mounting base and rear cover are integrally formed,
So that manufacture, mounting process it is simple, at low cost, stable working performance.
To achieve the above object, the utility model provides following technical scheme.
A kind of pump cylinder, front cover, cylinder barrel and rear cover, front cover and rear cover are connected to cylinder barrel both ends, and being equipped in cylinder barrel can live
Dynamic piston and piston rod, piston rod one end are fixedly connected with the piston, and the piston rod other end passes through cylinder barrel and stretches out outside front cover, piston
To be separated into left chamber and right chamber inside cylinder barrel, front cover is equipped with the first air inlet being connected to left chamber, after cover and be equipped with
The second air inlet being connected to right chamber, after cover equipped with mounting base, mounting base is an integral molding structure with rear cover, in mounting base
Equipped with connection bearing.
Further, between front cover and rear cover be equipped with pull rod, pull rod is soket head cap screw, after cover be equipped with and pull rod cooperate
Hex nut.
Further, piston rod is fixedly connected with the piston by screw.
Further, it is embedded with magnet ring on piston, wear ring is arranged between magnet ring and inner wall of cylinder.
Further, sealing is equipped with throttling needle in the second air inlet, after cover and be equipped with to prevent throttling needle from being rushed by air pressure
Locking plate out.
Further, front cover is equipped with the guide sleeve cooperated with piston rod, and the length of guide sleeve is 23cm.
Further, piston rod forward end is equipped with axis head nut.
Further, sealing ring is respectively equipped between front cover and rear cover and cylinder barrel.
Further, sealing ring is equipped between piston and cylinder barrel.
The beneficial effects of the utility model are：A kind of pump cylinder, front cover, cylinder barrel and rear cover, front cover and rear cover are connected to
Cylinder barrel both ends, cylinder barrel is interior to be equipped with mobilizable piston and piston rod, and piston rod one end is fixedly connected with the piston, the piston rod other end
It is stretched out outside front cover across cylinder barrel, piston will be separated into left chamber and right chamber inside cylinder barrel, front cover is equipped with and is connected to left chamber
The first air inlet, after cover and be equipped with the second air inlet for be connected to right chamber, after cover equipped with mounting base, mounting base and after
Lid is an integral molding structure, and connection bearing is equipped in mounting base.The door of the utility model pumps cylinder, is equipped with peace by covering after
Seat is filled, mounting base is an integral molding structure with rear cover, so that door pump cylinder can be directly mounted on car, so that manufacture, installation
Simple process and low cost, stable working performance.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the overall structure diagram of the utility model.
In figure, 1. front covers；2. cylinder barrel；3. rear cover；4. piston；5. piston rod；6. mounting base；7. connecting bearing；8. pull rod；
9. hex nut；10. wear ring；11. throttle needle；12. locking plate；13. guide sleeve；14. axis head nut.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
Referring to Fig. 1, a kind of pump cylinder shown in Fig. 2, front cover 1, cylinder barrel 2 and rear cover 3, front cover 1 and rear cover 3 are connected to cylinder
2 both ends of cylinder are equipped with pull rod 8 between front cover 1 and rear cover 3, pull rod 8 is soket head cap screw, and rear cover 3, which is equipped with, to be cooperated with pull rod 8
Hex nut 9 reduces installation space, and reduces costs, and mobilizable piston 4 and piston rod 5, piston are equipped in cylinder barrel 2
5 one end of bar is fixedly connected by screw with piston 4, and 5 other end of piston rod passes through cylinder barrel 2 and stretches out outside front cover 1, front cover 1, cylinder barrel 2
Anticorrosion process is used with rear cover 3, antiseptic property is strengthened, sealing ring is respectively equipped between front cover 1 and rear cover 3 and cylinder barrel 2, it is living
Sealing ring is equipped between plug 4 and cylinder barrel 2, to guarantee that leakproofness is good.
Piston 4 will be separated into left chamber and right chamber inside cylinder barrel 2, be embedded with magnet ring, magnet ring and 2 inner wall of cylinder barrel on piston 4
Between be arranged with wear ring 10, increase the service life of magnet ring, front cover 1 is equipped with the first air inlet being connected to left chamber,
Rear cover 3 is equipped with the second air inlet being connected to right chamber, and rear cover 3 is equipped with mounting base 6, and mounting base 6 and rear cover 3 are integrated into
Type structure, mounting base 6 is interior to be equipped with connection bearing 7, to be connected on car.
The door of the utility model pumps cylinder, in use, air inlet is distinguished by the first air inlet and the second air inlet, to push away
Piston 4 drives piston rod 5 to move back and forth, and by being equipped with mounting base 6 on rear cover 3, mounting base 6 is integrally formed with rear cover 3
Structure so that door pump cylinder can be directly mounted on car so that manufacture, mounting process it is simple, at low cost, working performance is steady
It is fixed.
Further, sealing is equipped with throttling needle 11 in the second air inlet, and rear cover 3 is equipped with to prevent throttling needle 11 by gas
Press the locking plate 12 gone out.Sealing is equipped with throttling needle 11 in second air inlet, and rear cover 3 is equipped with to prevent throttling needle 11 by air pressure
The locking plate 12 gone out, by throttling, needle 11 effectively buffers piston 4, reduces piston 4 to front cover 1 and rear cover 3
Hit, reduce noise when work, improve service life, locking plate 12 effectively prevent throttling needle 11 by air pressure go out can
Can, front cover 1 is equipped with the guide sleeve 13 cooperated with piston rod 5, and the length of guide sleeve 13 is 23cm, and guide sleeve 13 is to piston rod 5
Reciprocating motion play guiding role, ensure that piston rod 5 move concentricity, the length of guiding is increased, so that cylinder
Bear bigger side loading.5 forward end of piston rod is equipped with axis head nut 14, is convenient for by axis head nut 14 by piston rod 5
It is cooperatively connected from other different operation elements, it is easy to install and use.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (9)
1. a kind of pump cylinder, front cover（1）, cylinder barrel（2）And rear cover（3）, it is characterised in that：Front cover（1）And rear cover（3）It is connected to
Cylinder barrel（2）Both ends, cylinder barrel（2）It is interior to be equipped with mobilizable piston（4）And piston rod（5）, piston rod（5）One end and piston（4）Gu
Fixed connection, piston rod（5）The other end passes through cylinder barrel（2）Stretch out front cover（1）Outside, piston（4）By cylinder barrel（2）Inside is separated into left chamber
Room and right chamber, front cover（1）It is equipped with the first air inlet being connected to left chamber, rear cover（3）Equipped with what is be connected to right chamber
Second air inlet, rear cover（3）It is equipped with mounting base（6）, mounting base（6）With rear cover（3）It is an integral molding structure, mounting base（6）
It is interior to be equipped with connection bearing（7）.
2. a kind of pump cylinder according to claim 1, it is characterised in that：Front cover（1）And rear cover（3）Between be equipped with pull rod
（8）, pull rod（8）For soket head cap screw, rear cover（3）It is equipped with and pull rod（8）The hex nut of cooperation（9）.
3. a kind of pump cylinder according to claim 1, it is characterised in that：Piston rod（5）Pass through screw and piston（4）Gu
Fixed connection.
4. a kind of pump cylinder according to claim 1, it is characterised in that：Piston（4）It is upper to be embedded with magnet ring, magnet ring and cylinder barrel
（2）Wear ring is arranged between inner wall（10）.
5. a kind of pump cylinder according to claim 1, it is characterised in that：Sealing is equipped with throttling needle in second air inlet
（11）, rear cover（3）It is equipped with to prevent throttling needle（11）The locking plate gone out by air pressure（12）.
6. a kind of pump cylinder according to claim 1, it is characterised in that：Front cover（1）It is equipped with and piston rod（5）Cooperation
Guide sleeve（13）, guide sleeve（13）Length be 23cm.
7. a kind of pump cylinder according to claim 1, it is characterised in that：Piston rod（5）Forward end is equipped with spindle nose spiral shell
It is female（14）.
8. a kind of pump cylinder according to claim 1, it is characterised in that：Front cover（1）And rear cover（3）With cylinder barrel（2）It
Between be respectively equipped with sealing ring.
9. a kind of pump cylinder according to claim 1, it is characterised in that：Piston（4）With cylinder barrel（2）Between be equipped with sealing
Ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820450784.1U CN208106879U (en) | 2018-04-02 | 2018-04-02 | A kind of pump cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820450784.1U CN208106879U (en) | 2018-04-02 | 2018-04-02 | A kind of pump cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106879U true CN208106879U (en) | 2018-11-16 |
Family
ID=64121929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820450784.1U Active CN208106879U (en) | 2018-04-02 | 2018-04-02 | A kind of pump cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905782A (en) * | 2022-06-02 | 2022-08-16 | 杭州海潮橡胶有限公司 | Reverse-wrapping capsule stopping cylinder of forming machine |
-
2018
- 2018-04-02 CN CN201820450784.1U patent/CN208106879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905782A (en) * | 2022-06-02 | 2022-08-16 | 杭州海潮橡胶有限公司 | Reverse-wrapping capsule stopping cylinder of forming machine |
| CN114905782B (en) * | 2022-06-02 | 2023-10-03 | 杭州海潮橡胶有限公司 | Reverse-encapsulated anti-return cylinder of forming machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |