CN206257108U - A kind of positioning and locking cylinder - Google Patents
A kind of positioning and locking cylinder Download PDFInfo
- Publication number
- CN206257108U CN206257108U CN201621381708.7U CN201621381708U CN206257108U CN 206257108 U CN206257108 U CN 206257108U CN 201621381708 U CN201621381708 U CN 201621381708U CN 206257108 U CN206257108 U CN 206257108U
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- piston rod
- piston
- monolithic devices
- cylinder
- cylinder body
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Abstract
The utility model discloses a kind of positioning and locking cylinder, including bottom, by cylinder barrel and the integrally formed monolithic devices cylinder body of upper lid, the piston rod for being applied in the piston of monolithic devices cylinder upper end face and being placed in monolithic devices cylinder body and be fixedly connected with piston lower end, cylinder barrel and protecgulum are used integral die-cast structure by the utility model, entirety is integrated, compact conformation, simplifies cylinder assembly operation.Monolithic devices cylinder body for piston rod is installed mounting hole internal face on be provided with annular groove, embedded stem tip seal circle, increases the frictional resistance with piston rod in annular groove.Piston rod is hollow setting, and the built-in compression spring in inner chamber, when piston is moved downward, increased resistance, makes piston and piston rod operation more steady；In piston upwards, upward active force is increased, piston rod stretches out under the double reaction plus of compression spring and compressed air.
Description
Technical field
The utility model is related to cylinder field, more particularly to a kind of positioning of the gang drill positioning and locking for being applied to woodworking machinery
Locking cylinder.
Background technology
Cylinder is to guide the piston cylindrical metal parts of straight reciprocating motion are carried out in cylinder, for by compressed air
Pressure energy is converted to mechanical energy, and drive mechanism is made straight reciprocating motion, swung and rotary motion.Linear motion cylinder is generally comprised
Cylinder barrel, drive end bearing bracket, rear end cap, piston and piston rod.How to simplify the structure of cylinder, make piston rod movement more steady, laborsaving
It is technical problem to be solved in the utility model.
Utility model content
Main purpose of the present utility model is to provide a kind of positioning and locking of the gang drill positioning and locking for being applied to woodworking machinery
Cylinder, it is intended to simplify the structure of cylinder, make piston rod movement more steady, laborsaving.
The utility model proposes a kind of positioning and locking cylinder, including bottom, by cylinder barrel and the integrally formed monolithic devices of upper lid
Cylinder body, the piston for being applied in the monolithic devices cylinder upper end face and be placed in the monolithic devices cylinder body and with the piston lower end
The piston rod being fixedly connected, the monolithic devices cylinder body for the piston rod is installed mounting hole internal face on be provided with annular
Groove, the embedded stem tip seal circle in the annular groove；The piston rod is hollow setting, in the piston and the work
The inner chamber of stopper rod just to position at be communicated with the through hole of the piston rod cavity, on the bottom with the piston rod
Inner chamber just to position at be provided with locating slot, compression spring is installed in the locating slot, the compression spring is from the through hole
Stretch into the piston rod cavity, the lower end of the compression spring is positioned in the positioning groove bottom, the compression spring it is upper
End is positioned at the piston rod cavity upper surface.
Preferably, friction shim is installed on the piston rod top end face.
Preferably, it is surround on the side wall of the piston and is embedded with piston packing.
Preferably, it is close around bottom is embedded with the side wall contacted with the monolithic devices cylinder side wall of the bottom
Seal, close installation has hole back-up ring between the bottom surface of the lower surface of the relative bottom and the monolithic devices cylinder body.
Preferably, the side surface upper part in the monolithic devices cylinder body is provided with the enterprising gas port for being input into compressed air, in institute
The side lower for stating monolithic devices cylinder body is provided with lower air inlet for being input into compressed air；According to the piston rod in the entirety
The monolithic devices inner chamber of cylinder block is divided into rod chamber and rodless cavity by the position in type cylinder body, and the enterprising gas port has bar positioned at described
The top in chamber, the lower air inlet is located at the bottom of the rodless cavity.
The beneficial effects of the utility model are：
Cylinder barrel and protecgulum are used integral die-cast structure by the utility model, are integrally integrated, compact conformation, simplify air cylinder group
Dress operation.
Monolithic devices cylinder body for piston rod is installed mounting hole internal face on be provided with annular groove, in annular groove
Embedded stem tip seal circle, increases the frictional resistance with piston rod.
Piston rod is hollow setting, and the built-in compression spring in inner chamber when piston is moved downward, increased resistance, make piston
And piston rod operation is more steady；In piston upwards, upward active force is increased, piston rod is in compression spring and pressure
Stretched out under the double reaction plus of contracting air.
Brief description of the drawings
Fig. 1 is the sectional view of positioning and locking cylinder of the present utility model；
Fig. 2 is the stereogram of positioning and locking cylinder of the present utility model.
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Referring to Figures 1 and 2, an embodiment of positioning and locking cylinder of the present utility model is proposed：
A kind of positioning and locking cylinder, including bottom 8, by cylinder barrel and the integrally formed monolithic devices cylinder body 7 of upper lid, be applied in it is whole
The piston 5 of the upper surface of build cylinder body 7 and the piston rod 2 for being placed in monolithic devices cylinder body 7 and being fixedly connected with the bottom of piston 5.Root
The inner chamber of monolithic devices cylinder body 7 is divided into rod chamber and rodless cavity according to position of the piston rod 2 in monolithic devices cylinder body 7, in monolithic devices cylinder
The side surface upper part of body 7 is provided with the enterprising gas port for being input into compressed air, and enterprising gas port is located at the top of rod chamber.In monolithic devices
The side lower of cylinder body 7 is provided with the lower air inlet for being input into compressed air, and lower air inlet is located at the bottom of rodless cavity.
Around bottom sealing ring 9 is embedded with the side wall with the sidewall contact of monolithic devices cylinder body 7 of bottom 8, relative
The lower surface of bottom 8 and the bottom surface of monolithic devices cylinder body 7 between close installation have hole back-up ring 10.
It is surround on the side wall of piston 5 and is embedded with piston packing 6.In monolithic devices cylinder body 7 for installing piston rod 2
Mounting hole internal face be provided with annular groove, the embedded stem tip seal circle 4 in annular groove, for increasing and piston rod 2
Frictional resistance.
Piston rod 2 is hollow setting, the inner chamber of piston 5 and piston rod 2 just to position at be communicated with piston rod 2
The through hole of inner chamber, on bottom 8 with the inner chamber of piston rod 2 just to position at be provided with locating slot, in locating slot install compression
Spring 3, compression spring 3 stretches into the inner chamber of piston rod 2 from through hole, and the lower end of compression spring 3 is positioned in positioning groove bottom, compresses bullet
The upper end of spring 3 is positioned at the inner chamber upper surface of piston rod 2.Built-in compression spring 3 increased resistance when piston 5 is moved downward,
Run piston 5 and piston rod 2 more steady.When piston 5 is moved upwards, upward active force is increased, piston rod 2 is in pressure
Stretched out under the double reaction plus of contracting spring 3 and compressed air.
Friction shim 1 is installed on the top end face of piston rod 2.When compressed air enters rod chamber, the pressure of rod chamber
More than the bounce of spring, piston rod 2 bounces back under the effect of the pressure, and friction shim 1 divides with the gang drill mechanism on woodworking machinery
From gang drill mechanism can move along the direction of guide rail.When compressed air enters rodless cavity, piston rod 2 is in spring and compression
Stretched out under the double reaction plus of air, the gang drill mechanism contacts on friction shim 1 and woodworking machinery, gang drill mechanism can not be in guide rail
Side move up.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
The equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly it is used in other phases
The technical field of pass, is similarly included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of positioning and locking cylinder, it is characterised in that including bottom, by cylinder barrel and the integrally formed monolithic devices cylinder body of upper lid,
It is applied in the piston of the monolithic devices cylinder upper end face and is placed in the monolithic devices cylinder body and is fixed with the piston lower end
The piston rod of connection, the monolithic devices cylinder body for the piston rod is installed mounting hole internal face on to be provided with annular recessed
Groove, the embedded stem tip seal circle in the annular groove；The piston rod is hollow setting, in the piston and the piston
The inner chamber of bar just to position at be communicated with the through hole of the piston rod cavity, on the bottom with the piston rod in
Chamber just to position at be provided with locating slot, compression spring is installed in the locating slot, the compression spring is stretched from the through hole
Enter the piston rod cavity, the lower end of the compression spring is positioned in the positioning groove bottom, the upper end of the compression spring
It is positioned at the piston rod cavity upper surface.
2. positioning and locking cylinder according to claim 1, it is characterised in that be provided with the piston rod top end face and rubbed
Scrubbing pad piece.
3. positioning and locking cylinder according to claim 1, it is characterised in that around being embedded on the side wall of the piston
There is piston packing.
4. positioning and locking cylinder according to claim 1, it is characterised in that in the bottom and the monolithic devices cylinder body
Around bottom sealing ring is embedded with the side wall of sidewall contact, in the lower surface of the relative bottom and the monolithic devices cylinder
Close installation has hole back-up ring between the bottom surface of body.
5. positioning and locking cylinder according to claim 1, it is characterised in that set in the side surface upper part of the monolithic devices cylinder body
There is the enterprising gas port for being input into compressed air, be provided with for being input into compressed air in the side lower of the monolithic devices cylinder body
Lower air inlet；The monolithic devices inner chamber of cylinder block is divided into by rod chamber according to position of the piston rod in the monolithic devices cylinder body
And rodless cavity, positioned at the top of the rod chamber, the lower air inlet is positioned at the bottom of the rodless cavity for the enterprising gas port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381708.7U CN206257108U (en) | 2016-12-15 | 2016-12-15 | A kind of positioning and locking cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621381708.7U CN206257108U (en) | 2016-12-15 | 2016-12-15 | A kind of positioning and locking cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257108U true CN206257108U (en) | 2017-06-16 |
Family
ID=59028445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621381708.7U Active CN206257108U (en) | 2016-12-15 | 2016-12-15 | A kind of positioning and locking cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112891221A (en) * | 2021-04-06 | 2021-06-04 | 上海交通大学医学院附属第九人民医院 | Liquid food conveyer |
-
2016
- 2016-12-15 CN CN201621381708.7U patent/CN206257108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112891221A (en) * | 2021-04-06 | 2021-06-04 | 上海交通大学医学院附属第九人民医院 | Liquid food conveyer |
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| GR01 | Patent grant |