CN107355448B - A kind of combined type pressurized cylinder - Google Patents
A kind of combined type pressurized cylinder Download PDFInfo
- Publication number
- CN107355448B CN107355448B CN201710842050.8A CN201710842050A CN107355448B CN 107355448 B CN107355448 B CN 107355448B CN 201710842050 A CN201710842050 A CN 201710842050A CN 107355448 B CN107355448 B CN 107355448B
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- Prior art keywords
- piston
- sleeve
- combined type
- air
- gas port
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Abstract
The invention discloses a kind of combined type pressurized cylinder, the problem of solving when cylinder High power output is in required thrust, the waste of compressed air in air source can be caused.Its key points of the technical solution are that a kind of combined type pressurized cylinder, including cylinder bottom cover, first sleeve, connect pedestal, second sleeve, air cylinder front cover is set to the first piston in the first sleeve, the second piston and controller being set in second sleeve, the combined type pressurized cylinder is additionally provided with solenoid valve, Air control valve, first contact switch, second contact switch, the motion state of first piston and second piston can be efficiently controlled by above-mentioned setting, combined type pressurized cylinder can be made to automatically adjust required number of pistons, the number of moving piston can be adjusted to reduce modular cylinder described in the wastage of compressed air in air source, to reduce the waste of compressed air in air source.
Description
Technical field
The present invention relates to Pneumatic Transmission apparatus field, more particularly to a kind of combined type pressurized cylinder.
Background technology
In existing Pneumatic Transmission equipment, cylinder is common executing agency, includes mainly cylinder shell, piston rod and work
Chock plug, by controlling the air pressure at cylinder shell both ends, to drive piston head into line slip, and it is reciprocal to drive piston rod to carry out
Movement.Meanwhile cylinder derives a large amount of Novel air cylinder to adapt to the demand of different installation environments and driving force.
A kind of both ends combination type air cylinder of disclosure of the invention that application publication number is CN104314915A, including the first single action
Cylinder and the second single-acting cylinder are additionally provided with medial head between two single-acting cylinders, and medial head both sides concatenate the cylinder cap and of the first single-acting cylinder respectively
The cylinder head of two single-acting cylinders, the top of medial head offer be connected to the first single-acting cylinder first to stomata, and the bottom end of medial head opens up
Have the second of the second single-acting cylinder of connection to stomata, the top of cylinder head is equipped with the third of the second single-acting cylinder of connection to stomata, cylinder cap
End face is equipped with the be connected to the first single-acting cylinder the 4th to stomata, and piston rod is connected through the cylinder head of the second single-acting cylinder in two single-acting cylinders
Piston.Foregoing invention by increase piston rod in piston number, to improve the forced area of piston head, to be promoted
The maximum thrust that cylinder is capable of providing.
But a piston rod is used only in above-mentioned invention and connects two piston heads, because of the air source air pressure of cylinder connection
It is constant, therefore the power output of cylinder is constant, when cylinder High power output is in required thrust, can cause compressed air in air source
Waste.
Invention content
The object of the present invention is to provide a kind of combined type pressurized cylinder, the modular cylinder can adjust moving piston
Number, to reduce the waste of compressed air in air source.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of combined type pressurized cylinder, including cylinder bottom cover, the first sleeve, connection pedestal, second sleeve and air cylinder front cover,
The cylinder bottom cover is provided with the first gas port communicated with the first sleeve, and the connection pedestal is provided with to be communicated with the first sleeve
Second gas port and the third gas port communicated with second sleeve, the air cylinder front cover are provided with the 4th gas communicated with second sleeve
Mouthful, it is characterised in that：The combined type pressurized cylinder is additionally provided with controller, and first piston is provided in first sleeve,
Second piston is provided in the second sleeve, the connection pedestal is provided with the control gas port communicated with second sleeve, described
First gas port is connected with the Air control valve whether the first gas port of control pressurizes, and the control terminal of the Air control valve is connected with control gas
Solenoid valve that is that whether control valve is opened and being connected with controller, the other end of the solenoid valve are connected with control gas port；It is described
Air cylinder front cover is provided with and abuts and control the first touch switch that solenoid valve is closed for second piston, first gas port and gas control
Rapid escape valve is additionally provided between valve.
By using above-mentioned technical proposal, the third gas port of combined type pressurized cylinder and the inlet end of Air control valve access
Air source, because the control terminal of Air control valve does not have pressure, Air control valve to be in the state closed.The gas of air source passes through third
Gas port enters in second sleeve, and with the trend for pushing second piston：When the required thrust of combined type pressurized cylinder is small
In the thrust that second piston provides, second piston movement, and complete the action of pusher；It is pushed away when combined type pressurized cylinder is required
Power is more than the thrust that second piston provides, and the gas of air source is by controlling gas port, and (under normality, solenoid valve is kept by solenoid valve
Opening state), and the control terminal of Air control valve is acted on, driving Air control valve is opened, and air source is by Air control valve and drives the
One piston motion, first piston and second piston move synchronously, and improve the whole thrust of combined type pressurized cylinder, to make
One piston and second piston synchronous operation.When second piston and the first touch switch offset, touch switch will send the first control
Signal processed controls solenoid valve and closes to controller, controller, and Air control valve is closed at this time.When first piston and second piston reset
In the process, the second gas port and the 4th gas port are communicated with air source, and the gas in the first sleeve can be discharged by rapid escape valve, the
Gas in two sleeves can be discharged by third gas port.
As a further improvement on the present invention, the connection pedestal be provided with for second piston abut and control solenoid valve open
The second touch switch opened.
By using above-mentioned technical proposal, after second piston offsets with the second touch switch, the second touch switch can be sent
Second control signal controls solenoid valve and opens to controller, controller, and the second setting for pointing out switch can realize solenoid valve
It resets, combined type pressurized cylinder can be made reciprocating.
As a further improvement on the present invention, be both provided with can be with the first sleeve/for the both ends of the surface of the connection pedestal
The first boss of two bush whorls connection, the sidewall bottom of the first boss are provided with the first annular groove and are connected in the first ring
The first sealing ring in slot, first sleeve/second sleeve are provided with the first seal groove abutted for the first sealing ring.
By using above-mentioned technical proposal, the structure of above-mentioned connection pedestal is simple, easy for installation, and passes through the first annular groove
With the cooperation of sealing ring, it can ensure the first sleeve/second sleeve and connect the sealing performance between pedestal.
As a further improvement on the present invention, mounting plate, the electricity are provided between the gentle cylinder bottom head of the connection pedestal
Magnet valve, Air control valve, rapid escape valve are mounted on mounting plate.
By using above-mentioned technical proposal, the setting of the mounting plate can increase the entirety of combined type pressurized cylinder
Property, and being capable of detection of the person of being conveniently operated to combined type pressurized cylinder.
As a further improvement on the present invention, the connection pedestal be provided with the first through hole passed through for first piston and
The first sealing ring being set in first through hole, the connection pedestal are set in the end face towards second piston along first through hole edge
The metal dust ring for being equipped with dustproof groove and being set in dustproof groove.
By using above-mentioned technical proposal, the setting of dustproof groove and metal dust ring can reduce dust, and to enter first logical
Kong Zhong reduces wear extent of the dust to the first sealing ring in first through hole.Metal dust ring can also carry out first piston
It is oriented to, increases stability when first piston sliding.
As a further improvement on the present invention, the second piston is both provided with the limiting slot being inserted into for first piston, institute
It states and is provided with rubber buffer in limiting slot.
By using above-mentioned technical proposal, the setting of the limiting slot can facilitate the mutual of first piston and second piston
Cooperation, meanwhile, the setting of rubber buffer can be such that the presence between first piston and second piston buffers, and reduce between the two
Impact injury.
As a further improvement on the present invention, the end face of the second piston towards connection pedestal is both provided with convex annular
Rib, the connection pedestal are provided with the rubber buffer ring contradicted for annular ridge.
By using above-mentioned technical proposal, the cooperation between annular ridge and rubber buffer ring can be effectively reduced
Impact force between two pistons and connection pedestal, while can protect the second contact switch, reduce second piston pair the
The damage of two contact switch.
As a further improvement on the present invention, the connection pedestal is provided with the air gauge for measuring the second outlet pressure.
By using above-mentioned technical proposal, the barometric setting can effectively to the pressure of the second gas port carry out with
Track because the present invention technical characteristic premise be the second gas port pressure it is normal under the premise of, therefore when combined type be pressurized
When cylinder breaks down, barometric setting can assist operators interrogate and examine the trouble location of modular cylinder.
In conclusion the invention has the advantages that：
1, a kind of combined type pressurized cylinder is provided with controller, and is opened by solenoid valve, Air control valve, the first contact
The setting of pass, the second contact switch can efficiently control the motion state of first piston and second piston, can make combined type
Pressurized cylinder automatically adjusts required number of pistons, to reduce the wastage of compressed air in air source；
2, the connection type of pedestal and the first sleeve/second sleeve is connected, it is simple in structure, it is easy for installation, and can protect
The sealing performance of both cards junction；
3, the setting of metal dust ring can be oriented to first piston, keep the movement of second piston more steady, together
When can reduce the amount that the dust in second sleeve enters in first through hole, increase the first sealing ring in first through hole uses the longevity
Life.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of combined type pressurized cylinder；
Fig. 2 is structural schematic diagram when a kind of combined type pressurized cylinder does not install mounting plate；
Fig. 3 is a kind of diagrammatic cross-section of combined type pressurized cylinder；
Fig. 4 is the enlarged drawing at A in Fig. 3；
Fig. 5 is the enlarged drawing at B in Fig. 3；
Fig. 6 is the enlarged drawing at C in Fig. 3；
Fig. 7 is the system schematic of the first touch switch, controller and solenoid valve；
Fig. 8 is the system schematic of the second touch switch, controller and solenoid valve；
Fig. 9 is solenoid valve, Air control valve and rapid escape valve connection diagram.
In figure：11, cylinder bottom cover；111, the first gas port；112, second boss；12, the first sleeve；13, pedestal is connected；
131, the second gas port；132, third gas port；133, gas port is controlled；134, gas port is measured；135, first boss；1351, the first ring
Slot；1352, the first sealing ring；1353, the first seal groove；136, dashpot；137, first through hole；1371, the first sealing ring；
138, dustproof groove；1381, metal dust ring；139, rubber buffer ring；14, second sleeve；15, air cylinder front cover；151, the 4th gas
Mouthful；152, third boss；153, the second through-hole；16, first piston；17, second piston；171, spacing block set；172, convex annular
Rib；173, limiting slot；174, rubber buffer；2, mounting plate；21, solenoid valve；22, Air control valve；23, rapid escape valve；4,
Air gauge；5, the first contact switch；6, the second contact switch.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of combined type pressurized cylinder, mainly include cylinder bottom cover 11, the first sleeve 12,
Connection pedestal 13, second sleeve 14, air cylinder front cover 15 and the mounting plate being installed between connection 13 gentle cylinder bottom head 11 of pedestal
2, wherein be provided with the first piston 16 coordinated with the first sleeve 12 in the first sleeve 12, be provided in second sleeve 14 and the
The second piston 17 of two sleeves 14 cooperation.Wherein, combined type pressurized cylinder is additionally provided with controller.
The side wall side of cylinder bottom cover 11 is provided with the first gas port 111 communicated with 12 inside of the first sleeve.Connect pedestal 13
Side wall be provided with the second gas port 131 communicated with the first sleeve 12, the third gas port 132 communicated with second sleeve 14, with the
The control gas port 133 that three gas ports 132 communicate and the measurement gas port 134 also communicated with third gas port 132.Wherein, the second gas port
131 and third gas port 132 it is circumferential at a distance of 180 °, measure and air gauge 4 be installed at gas port 134.Wherein, the setting energy of air gauge 4
It is enough that air pressure at second gas port 131 is measured, it is convenient that combined type pressurized cylinder is monitored.Air cylinder front cover 15 is provided with
The 4th gas port 151 communicated with second sleeve 14.
As shown in Fig. 3, Fig. 4 and Fig. 5, the both ends of the surface of connection pedestal 13 are both provided with can be 12/ second set with the first sleeve
The first boss 135 that cylinder 14 is threadedly coupled, the sidewall bottom of first boss 135 are provided with the first annular groove 1351 and are connected in the
The first sealing ring 1352 in one annular groove 1351,12/ second sleeve 14 of the first sleeve is provided with to abut for the first sealing ring 1352
The first seal groove 1353.Cylinder bottom cover 11 is also equipped with the second boss 112 being threadedly coupled with the first sleeve 12.Air cylinder front cover
15 are also equipped with the third boss 152 being threadedly coupled with second sleeve 14.
The end face towards second piston 17 of connection pedestal 13 is provided with dashpot 136, and the bottom surface of dashpot 136 is provided with
The first through hole 137 passed through for first piston 16 and the first sealing ring 1371 being set in first through hole 137.Wherein,
One sealing ring 1371 is abutted against with first piston 16.The bottom surface of dashpot 136 is provided with dustproof groove along 137 edge of first through hole
138 and the metal dust ring 1381 that is set in dustproof groove 138.The bottom surface of dashpot 136 is additionally provided with rubber buffer ring
139。
Second piston 17 is provided with the spacing block set 171 being inserted into dashpot 138, spacing block set 171 be provided with
The annular ridge 172 that rubber buffer ring 139 offsets.Second piston 17 is additionally provided with the limiting slot being inserted into for first piston 16
173, rubber buffer 174 has been provided in limiting slot 173.
As shown in Fig. 1, Fig. 3 and Fig. 9, mounting plate 2 is equipped with solenoid valve 21, Air control valve 22 and rapid escape valve 23.
Solenoid valve 21 includes inlet end P1 and outlet side P2, and the opening and closing of inlet end P1 and outlet side P2 are controlled by controller.Gas
It includes inlet end P3, outlet side P4 and control terminal C1 to control valve 22 mainly, wherein when the pressure of control terminal C1 reaches a certain value
When, inlet end P3 and outlet side P4 are communicated.Rapid escape valve 23 mainly include inlet end P5, outlet side P6 and exhaust end P7, when
When inlet end P5 pressurizations, inlet end P5 and outlet side P6 are communicated；When inlet end P5 is not pressurized, outlet side P6 and exhaust end P7 phases
Even.The inlet end P1 of solenoid valve 21 is connected with third gas port 132, the control of the outlet side P2 and Air control valve 22 of solenoid valve 21
C1 is held to be connected, the inlet end P3 air supply sources connection of Air control valve 22, outlet side P4 and the rapid escape valve 23 of Air control valve 22
Inlet end P5 is connected, and the outlet side P6 of rapid escape valve 23 is connected with the first gas port 111.
As shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 7, air cylinder front cover 15 is provided with the second through-hole being pierced by for second piston 17
153, the end face of air cylinder front cover 15 towards second piston 17 is provided with the first touch switch 5 abutted for second piston 17, wherein
First touch switch 5 is connected with controller, the closing for controlling solenoid valve 21.
Shown in as shown in Figure 1, Figure 3 and Figure 4, connection pedestal 13 is additionally provided with the second touch switch 6 in dashpot 136, wherein
Second touch switch 6 is connected with controller, the unlatching for controlling solenoid valve 21.The height of second touch switch 6 is more than or equal to
The sum of 172 height of height and annular ridge of rubber buffer ring 139.
In conjunction with shown in Fig. 1 to Fig. 9, the first operating procedure of combined type pressurized cylinder is as follows：
1, the third gas port 132 of combined type pressurized cylinder and the inlet end P3 of Air control valve 22 access air source, because of gas
The control terminal C1 of control valve 22 does not have pressure, so Air control valve 22 is in the state closed；
2, the gas of air source is entered by third gas port 132 in second sleeve 14, and becoming with promotion second piston 17
Gesture；
3, when the required thrust of combined type pressurized cylinder is less than the thrust that first piston provides, second piston 17 moves,
And complete the action of pusher.
Second of operating procedure of combined type pressurized cylinder is as follows：
1, the third gas port 132 of combined type pressurized cylinder and the inlet end P3 of Air control valve 22 access air source, because of gas
The control terminal C1 of control valve 22 does not have pressure, so Air control valve 22 is in the state closed；
2, the gas of air source is entered by third gas port 132 in second sleeve 14, and becoming with promotion second piston 17
Gesture；
3, when the required thrust of combined type pressurized cylinder is more than the thrust that first piston provides, the gas of air source passes through control
Gas port 133, and by solenoid valve 21 (under normality, solenoid valve is kept open), and act on the control terminal of Air control valve 22
C1；
4, because the control terminal C1 of Air control valve 22 is by sufficiently large air pressure, driving Air control valve 22 is opened, and air source is logical
It crosses Air control valve 22 and first piston 16 is driven to move；
5, first piston 16 and second piston 17 move synchronously, until second piston 17 is contradicted to the first touch switch 5, the
One touch switch 5 sends first control signal to controller, and controller controls solenoid valve 21 and closes, the control terminal of Air control valve 22
C1 does not have high voltage control, Air control valve 22 to be closed；
6, the second gas port 131 and the 4th gas port 151 are connected with air source, are passed through high pressure gas, and first piston 16 and second is lived
Plug 17 resets, and the gas in the first sleeve 12 is discharged by rapid escape valve 23 at this time, and the gas in second sleeve 14 passes through the
Three gas ports 132 are discharged；
7, second piston 17 is contradicted to the second touch switch 6, and the second touch switch 6 sends out the second control to controller to be believed
Number, controller controls solenoid valve 21 and opens.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of combined type pressurized cylinder, including cylinder bottom cover (11), the first sleeve (12), connection pedestal (13), second sleeve
(14) and air cylinder front cover (15), the cylinder bottom cover (11) are provided with the first gas port (111) communicated with the first sleeve (12), institute
Connection pedestal (13) is stated to be provided with the second gas port (131) communicated with the first sleeve (12) and communicate with second sleeve (14)
Third gas port (132), the air cylinder front cover (15) are provided with the 4th gas port (151) communicated with second sleeve (14), feature
It is：The combined type pressurized cylinder is additionally provided with controller, and first piston (16), institute are provided in first sleeve (12)
It states and is provided with second piston (17) in second sleeve (14), the connection pedestal (13) is provided with to be communicated with second sleeve (14)
Gas port (133) is controlled, first gas port (111) is connected with the Air control valve (22) whether the first gas port of control (111) pressurizes,
The control terminal of the Air control valve (22) is connected with electromagnetism that is that whether control Air control valve (22) is opened and being connected with controller
The other end of valve (21), the solenoid valve (21) is connected with control gas port (133)；The air cylinder front cover (15) is provided with for second
Piston (17) abuts and controls the first touch switch (5) that solenoid valve (21) is closed, first gas port (111) and Air control valve
(22) rapid escape valve (23) is additionally provided between；
The inlet end of the third gas port (132) and Air control valve (22) accesses air source, and under the solenoid valve (21) normality
It keeps it turned on；
When the required thrust of combined type pressurized cylinder is less than the thrust that second piston (17) provides, second piston (17) moves,
And complete the action of pusher；
When the required thrust of combined type pressurized cylinder is more than the thrust that second piston (16) provides, the gas of air source is by controlling gas
Mouth (133), and by solenoid valve (21), and the control terminal of Air control valve (22) is acted on, driving Air control valve (22) is opened, gas
Source is by Air control valve (22) and first piston (16) is driven to move, and first piston (16) and second piston (17) move synchronously；
When second piston (17) and the first touch switch (5) offset, first touch switch (5) will send the first control letter
Number give controller, controller control solenoid valve (21) close, at this time Air control valve (22) close；
In first piston (16) and second piston (17) reseting procedure, the second gas port (131) and the 4th gas port (151) and air source
It communicates, the gas in the first sleeve (12) can be discharged by rapid escape valve (23), and the gas in second sleeve (14) can
It is discharged by third gas port (132).
2. a kind of combined type pressurized cylinder according to claim 1, it is characterised in that：The connection pedestal (13) is provided with
The second touch switch (6) that solenoid valve (21) is opened is abutted and controlled for second piston (17).
3. a kind of combined type pressurized cylinder according to claim 1, it is characterised in that：The both ends of the connection pedestal (13)
Face is both provided with the first boss (135) that can be threadedly coupled with the first sleeve (12)/second sleeve (14), the first boss
(135) the first sealing ring that sidewall bottom is provided with the first annular groove (1351) and is connected in the first annular groove (1351)
(1352), first sleeve (12)/second sleeve (14) is provided with the first seal groove abutted for the first sealing ring (1352)
(1353)。
4. a kind of combined type pressurized cylinder according to claim 3, it is characterised in that：The connection pedestal (13) and cylinder
Mounting plate (2) is provided between bottom cover (11), the solenoid valve (21), Air control valve (22), rapid escape valve (23) are respectively mounted
In mounting plate (2).
5. a kind of combined type pressurized cylinder according to claim 4, it is characterised in that：The connection pedestal (13) is provided with
The first through hole (137) passed through for first piston (16) and the first sealing ring (1371) being set in first through hole (137),
The connection pedestal (13) is provided with dustproof groove (138) in the end face towards second piston (17) along first through hole (137) edge
And it is set to the metal dust ring (1381) in dustproof groove (138).
6. a kind of combined type pressurized cylinder according to claim 5, it is characterised in that：The second piston (17) is respectively provided with
There is the limiting slot (171) being inserted into for first piston (16), rubber buffer (173) is provided in the limiting slot (171).
7. a kind of combined type pressurized cylinder according to claim 2, it is characterised in that：The second piston (17) is towards even
The end face for connecing pedestal (13) is both provided with annular ridge (172), and the connection pedestal (13) is provided with supports for annular ridge (172)
Tactile rubber buffer ring (139).
8. a kind of combined type pressurized cylinder according to claim 7, it is characterised in that：The connection pedestal (13) is provided with
Measure the air gauge (4) of the second gas port (131) pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842050.8A CN107355448B (en) | 2017-09-18 | 2017-09-18 | A kind of combined type pressurized cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842050.8A CN107355448B (en) | 2017-09-18 | 2017-09-18 | A kind of combined type pressurized cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107355448A CN107355448A (en) | 2017-11-17 |
| CN107355448B true CN107355448B (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710842050.8A Active CN107355448B (en) | 2017-09-18 | 2017-09-18 | A kind of combined type pressurized cylinder |
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| CN109397632A (en) * | 2018-11-29 | 2019-03-01 | 浙江思纳克热流道科技有限公司 | Valve needle of hot runner control structure and its control method |
| CN114829786B (en) * | 2019-12-05 | 2023-05-05 | 达德科公司 | Cylinder |
| CN113848117B (en) * | 2021-09-26 | 2022-07-26 | 浙江大学 | Vertical shaft foundation hot drainage consolidation test device |
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2017
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| CN107355448A (en) | 2017-11-17 |
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Effective date of registration: 20200617 Address after: 355 200 No. 44 Jishi Road, Taimushan Town, Fuding City, Ningde City, Fujian Province Patentee after: Lin Chenyi Address before: 315500 B building, 65 round Feng Road, Ningbo, Zhejiang, Fenghua Patentee before: FENGHUA YAFANGSUO INDUSTRIAL AUTOMATION Co.,Ltd. |
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Effective date of registration: 20201019 Address after: 226363 East District, Liuqiao Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: NANTONG HAISHI SHIPPING MACHINE Co.,Ltd. Address before: 355 200 No. 44 Jishi Road, Taimushan Town, Fuding City, Ningde City, Fujian Province Patentee before: Lin Chenyi |
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