CN207598622U - A kind of smooth resistance cylinder - Google Patents
A kind of smooth resistance cylinder Download PDFInfo
- Publication number
- CN207598622U CN207598622U CN201721493166.7U CN201721493166U CN207598622U CN 207598622 U CN207598622 U CN 207598622U CN 201721493166 U CN201721493166 U CN 201721493166U CN 207598622 U CN207598622 U CN 207598622U
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- CN
- China
- Prior art keywords
- oil pocket
- oil
- piston
- compensation
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Abstract
The utility model provides a kind of smooth resistance cylinder,Including the cylinder body with inner cavity,The cylinder body is respectively arranged with protecgulum from left to right,Secondary piston,Intermediate,Piston and rear cover afterwards,A piston rod and a compensation bar are additionally provided in the inner chamber of cylinder block,The secondary piston is fixed on the piston rod,The compensation bar is threadedly coupled with piston rod end,The rear piston is fixed in its junction,The intermediate is fixed on the cylinder body,Air cavity is formed between the protecgulum and the intermediate,Oil pocket is formed between the intermediate and the rear cover,The oil pocket is separated into left oil pocket and right oil pocket by piston after described,The oil circuit of two or more is equipped between the left oil pocket and the right oil pocket,A wherein oil circuit is equipped with an adjusting needle assemblies for adjusting its oil pump capacity,One first check valve is equipped on remaining oil circuit so that oil can only flow to the right oil pocket from the left oil pocket.The utility model realizes steady feeding, and Rapid reset, processing is steady, high in machining efficiency.
Description
Technical field
The utility model is related to damped cylinder technical fields, refer in particular to a kind of smooth resistance cylinder.
Background technology
In machinery industry, many fields need to use pressure cylinder, such as cylinder or oil cylinder, for precision machining industry, in order to
Improve machining accuracy, it is desirable that steady during feeding, in order to improve efficiency, when reset, requires Rapid reset, when common cylinder is fed,
Because gas is easily compressed, smooth motion of having no way, and cylinder movement is steady, but the speed for feeding and resetting is suitable, speed
It carries to come up, affects the efficiency of production.
Utility model content
In view of the above problems, the utility model provides a kind of smooth resistance cylinder, it can be achieved that fast feed, passes through metering needle
Component can realize stepless fast adjustable speed recycling；Air cavity with oil pocket is independently divided opens, gas and oil mixing is avoided to generate unstable action；Oil
Oil pocket is separated into left oil pocket and right oil pocket by chamber by rear piston, and the bar diameter for compensating bar is identical with the bar diameter of piston rod so that
When moving, left oil pocket is identical with the volume change of right oil pocket for piston afterwards, realizes whole steady running；Peripheral hardware compensates oil drum, with
When to compensating fluid in time during the insufficient oil of movement oil pocket, ensure there are enough oil sources always in cylinder body.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of smooth resistance cylinder, including the cylinder body with inner cavity, it is characterised in that：The cylinder body is set respectively from left to right
There are protecgulum, secondary piston, intermediate, rear piston and rear cover, a piston rod and a compensation bar are additionally provided in the inner chamber of cylinder block, it is described
The secondary piston is fixed on piston rod, the compensation bar is threadedly coupled with piston rod end, and the rear piston is fixed in junction,
The intermediate is fixed on the cylinder body, air cavity is formed between the protecgulum and the intermediate, the secondary piston is by described in
Air cavity separates, and the first gas port and the second gas port are connected separately at its both ends, and oil is formed between the intermediate and the rear cover
The oil pocket is separated into left oil pocket and right oil pocket, two is equipped between the left oil pocket and the right oil pocket by chamber, the rear piston
Oil circuit more than item wherein an oil circuit is equipped with an adjusting needle assemblies for adjusting its oil pump capacity, is equipped on remaining oil circuit
One first check valve causes oil that can only flow to the right oil pocket from the left oil pocket.
Preferably, a compensation oil drum is also associated with outside the cylinder body, the compensation oil drum includes compensation oil pocket and setting
Compensating piston bar in the compensation oil pocket, is connected between the compensation oil pocket and the right oil pocket by one second check valve
So that oil can only flow to the right oil pocket from the compensation oil pocket.
Preferably, all first check valves are respectively provided on piston in the rear.
Preferably, an oil pipe is additionally provided between the left oil pocket and the right oil pocket, the adjusting needle assemblies are set on institute
It states and is used to control its uninterrupted on oil pipe.
Preferably, the compensation bar is identical with the bar diameter of the piston rod.
The utility model advantageous effect：
1. the utility model can realize fast feed, it can realize that stepless fast adjustable speed recycles by adjusting needle assemblies；
2. air cavity with oil pocket is independently divided opens, gas and oil mixing is avoided to generate unstable action；
3. oil pocket is separated into left oil pocket and right oil pocket by oil pocket by rear piston, and compensates the bar diameter of bar and the bar of piston rod
Diameter is identical so that when moving, left oil pocket is identical with the volume change of right oil pocket for rear piston, realizes whole steady running；
4. peripheral hardware compensates oil drum, at any time to compensating fluid in time during the insufficient oil of movement oil pocket, ensure there is foot always in cylinder body
Enough oil sources.
Description of the drawings
Fig. 1 is the left view of the utility model；
Fig. 2 is the A-A faces sectional view of Fig. 1；
Fig. 3 is the B-B faces sectional view of Fig. 2；
In figure：1- cylinder bodies, 2- protecgulums, 3- secondary pistons, 4- intermediates, piston after 5-, 6- rear covers, 7- piston rods, 8- air cavitys,
9- oil pockets, 10- adjust needle assemblies, 11- compensation oil drums, 12- compensation bars, the first check valves of 13-, 14- oil pipes, the second lists of 13a-
To valve, the first gas ports of 81-, the second gas ports of 82-, the left oil pockets of 91-, the right oil pockets of 92-, 11a- compensation oil pockets, 11b- compensating piston bars.
Specific embodiment
The technical solution of the utility model is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of smooth resistance cylinder described in the utility model, it is described including the cylinder body 1 with inner cavity
Cylinder body 1 is respectively arranged with protecgulum 2, secondary piston 3, intermediate 4, rear piston 5 and rear cover 6 from left to right, is gone back in 1 inner cavity of cylinder body
Equipped with a piston rod 7 and a compensation bar 12, the secondary piston 3, the compensation bar 12 and piston rod 7 are fixed on the piston rod 7
End thread connects, and the rear piston 5 is fixed in the junction between them, i.e., rear piston 5 is to be clipped in compensation bar 12 and piston rod 7
Between, the intermediate 4 is fixed on the cylinder body 1, and air cavity 8 is formed between the protecgulum 2 and the intermediate 4, described
Secondary piston 3 separates the air cavity 8, and the secondary piston 3 matches with the air cavity 8 and merges and can move left and right, in 3 liang of the secondary piston
End is connected separately with the first gas port 81 and the second gas port 82, oil pocket 9 is formed between the intermediate 4 and the rear cover 6, after described
The oil pocket 9 is separated into left oil pocket 91 and right oil pocket 92 by piston 5, and the rear piston 5 matches to merge with the oil pocket 9 can control shifting
It is dynamic, it is equipped with the oil circuit of two or more between the left oil pocket 91 and the right oil pocket 92, in the present embodiment, is provided that three oil
Road wherein oil circuit is equipped with an adjusting needle assemblies 10 for adjusting its oil pump capacity, is equipped with one the on remaining two articles of oil circuit
One check valve 13 causes oil that can only flow to the right oil pocket 92 from the left oil pocket 91, i.e., when rear piston 5 moves from right to left, oil
Liquid is by three oil circuits from left oil pocket 91 to right oil pocket 92, and when rear piston 5 moves from left to right, fluid can only pass through an oil circuit
From left oil pocket 91 to right oil pocket 92, Rapid reset when resetting is realized, when feeding steadily slowly feeds.
Specifically, being also associated with a compensation oil drum 11 outside the cylinder body 1, the compensation oil drum 11 includes compensation oil pocket
The 11a and compensating piston bar 11b being set in the compensation oil pocket 11a, between the compensation oil pocket 11a and the right oil pocket 92
The right oil pocket 92 can only be flowed to from the compensation oil pocket 11a by connecting oil by one second check valve 13a, when in oil pocket 9
Fluid deficiency when, compensating piston bar 11b movements beat the fluid in compensation oil pocket 11a to progress fluid supplement in oil pocket 9.
Specifically, two first check valves 13 are respectively provided on piston 5 in the rear, one carrys out ease of assembly, and two is simple
Structure is changed.
Specifically, an oil pipe 14 is additionally provided between the left oil pocket 91 and the right oil pocket 92, adjusting described in oil pipe
Needle assemblies 10 are set on the oil pipe 14 for controlling its uninterrupted, and oil pipe 14 is set on cylinder body with adjusting needle assemblies 10
1 outside, is conveniently adjusted operation.
Specifically, it is described compensation bar 12 it is identical with the bar diameter of the piston rod 7, so afterwards piston 5 when moving, left oil pocket
Volume change between 91 and right oil pocket 92 is identical, and piston 5 rear so just can smooth motion.
During utility model works, the second gas port 82 is ventilated, and the first gas port 81 is vented, and secondary piston 3 moves from right to left, preceding
Piston 3 move when, by piston rod 7 drive after piston 5 move from right to left, the fluid in left oil pocket 91 by three oil circuits into
Enter in right oil pocket 92, realize fast feed, when secondary piston 3 is walked to protecgulum 2, the first gas port 81 is ventilated, and the second gas port 82 is vented,
Secondary piston 3 moves from left to right, and when secondary piston 3 moves, piston 5 moves from left to right after being driven by piston rod 7, right oil pocket 92
In fluid entered in left oil pocket 91 by an oil circuit, steady feeding is realized, moreover, being to be connected with an adjusting on this oil circuit
Needle assemblies 10 can control oil mass, and then control the speed of feeding.
The embodiment of the utility model is described above in association with attached drawing, but the utility model be not limited to it is above-mentioned
Specific embodiment, above-mentioned specific embodiment is only schematical rather than restricted, the common skill of this field
Art personnel are not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the scope of protection of the utility model.
Claims (5)
1. a kind of smooth resistance cylinder, including the cylinder body (1) with inner cavity, it is characterised in that：The cylinder body (1) is distinguished from left to right
Protecgulum (2), secondary piston (3), intermediate (4), rear piston (5) and rear cover (6) are provided with, is additionally provided in cylinder body (1) inner cavity
One piston rod (7) compensates bar (12) with one, the secondary piston (3) is fixed on the piston rod (7), the compensation bar (12) is with living
Stopper rod (7) end thread connects, and the rear piston (5) is fixed in junction, and the intermediate (4) is fixed on the cylinder body (1)
On, air cavity (8) is formed between the protecgulum (2) and the intermediate (4), the secondary piston (3) separates the air cavity (8),
The first gas port (81) and the second gas port (82), shape between the intermediate (4) and the rear cover (6) are connected separately at its both ends
Into oil pocket (9), the oil pocket (9) is separated into left oil pocket (91) and right oil pocket (92), the left oil pocket by the rear piston (5)
(91) oil circuit of two or more is equipped between the right oil pocket (92), wherein an oil circuit, which is equipped with one, adjusts needle assemblies (10)
For adjusting its oil pump capacity, one first check valve (13) is equipped on remaining oil circuit so that oil can only be flowed from the left oil pocket (91)
Toward the right oil pocket (92).
2. a kind of smooth resistance cylinder according to claim 1, it is characterised in that：A benefit is also associated with outside the cylinder body (1)
Oil drum (11) is repaid, the compensation oil drum (11) includes compensation oil pocket (11a) and the benefit being set in the compensation oil pocket (11a)
Piston rod (11b) is repaid, is connected between the compensation oil pocket (11a) and the right oil pocket (92) by one second check valve (13a)
So that oil can only flow to the right oil pocket (92) from the compensation oil pocket (11a).
3. a kind of smooth resistance cylinder according to claim 1, it is characterised in that：All first check valves (13) are all provided with
It puts on piston (5) in the rear.
4. a kind of smooth resistance cylinder according to claim 1, it is characterised in that：The left oil pocket (91) and the right oil pocket
(92) oil pipe (14) is additionally provided between, the adjusting needle assemblies (10) are used to control its stream on the oil pipe (14)
Measure size.
5. a kind of smooth resistance cylinder according to claim 1, it is characterised in that：The compensation bar (12) and the piston rod
(7) bar diameter is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493166.7U CN207598622U (en) | 2017-11-10 | 2017-11-10 | A kind of smooth resistance cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493166.7U CN207598622U (en) | 2017-11-10 | 2017-11-10 | A kind of smooth resistance cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598622U true CN207598622U (en) | 2018-07-10 |
Family
ID=62759068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721493166.7U Expired - Fee Related CN207598622U (en) | 2017-11-10 | 2017-11-10 | A kind of smooth resistance cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425245A (en) * | 2019-07-22 | 2019-11-08 | 成都博仕腾科技有限公司 | A kind of rolling stock half active oil-pressure damper of double oil circuits switching regulator adaptive damping |
-
2017
- 2017-11-10 CN CN201721493166.7U patent/CN207598622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425245A (en) * | 2019-07-22 | 2019-11-08 | 成都博仕腾科技有限公司 | A kind of rolling stock half active oil-pressure damper of double oil circuits switching regulator adaptive damping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20181110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |