CN103953610B - Twin shaft many times of strength cylinders - Google Patents
Twin shaft many times of strength cylinders Download PDFInfo
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- CN103953610B CN103953610B CN201410160551.4A CN201410160551A CN103953610B CN 103953610 B CN103953610 B CN 103953610B CN 201410160551 A CN201410160551 A CN 201410160551A CN 103953610 B CN103953610 B CN 103953610B
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Abstract
Twin shaft disclosed by the invention many times of strength cylinders, comprise front cover, rear end cover, first cylinder body, and second cylinder body, first cylinder body and the second cylinder body coordinate vertically and are formed with two inner chambers arranged side by side, the first air cavity unit and the second air cavity unit is respectively equipped with in described two inner chambers, first air cavity unit comprises guide holder, first piston and first piston bar, second air cavity unit comprises the second piston and the second piston rod, end and the first piston bar of the second piston rod removably connect, described first piston bar is provided with the first magnetic receiver coordinated with first piston, second piston rod is provided with the second magnetic receiver coordinated with the second piston, described first cylinder body and the second cylinder body are respectively equipped with suction port and relief opening.The present invention is simple and reasonable, small volume, and exert oneself comparatively large, suffered by piston rod, load is less, and manufacture cost is lower, easy to assembly, can meet the actual user demand of user, is convenient to stroke and the working state of control piston bar.
Description
Technical field
The present invention relates to cylinder technical field, particularly a kind of twin shaft many times of strength cylinders.
Background technique
Times strength cylinder is the one of cylinder, is mutually formed by stacking by multilayer piston, exerts oneself as multiple increases, has large advantage of exerting oneself, be applicable to short stroke high output without oil operation occasion.Times strength cylinder occurred in the market is generally single shaft times strength cylinder, and its structure mainly comprises multiple air cavity unit be cascaded, and be equipped with a piston in each air cavity unit, all pistons are all fixed on same piston rod.Piston rod movement is driven by multiple piston synchronous, to reach the effect increasing and exert oneself during work.But, the size of exerting oneself of above-mentioned single shaft times strength cylinder depends on the quantity of air cavity unit, when needs are exerted oneself more greatly, need to arrange more air cavity unit, cause there is following defect: first, air cavity element number increases, and cylinder body overall volume is increased thereupon, thus needs to take larger space when causing installation; Secondly, air cavity element number is more, and the length of piston rod arranges longer, makes heavier loads suffered by piston rod, causes that piston rod is easily out of shape when moving, fracture etc., and requirement on machining accuracy also improves thereupon, causes the increase of manufacture cost.For avoiding the single shaft times problem that the volume that strength cylinder occurs is larger, market have also appeared two-container cylinder, but, also there is the situation that piston rod is easily out of shape, ruptures in actual use in two-container cylinder, and, existing two-container cylinder because of vibrational power flow unreasonable, also there is following defect: because vibrational power flow is comparatively complicated, assembling difficulty is comparatively large, and poor effect of exerting oneself, cannot meet the actual user demand of user; Accurately cannot carry out stroke adjustment, it is comparatively inconvenient to cause the working state control of cylinder body.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, a kind of simple and reasonable, small volume be provided, load suffered by comparatively large, the piston rod of exerting oneself is less, manufacture cost is lower, easy to assembly, the twin shaft many times of strength cylinders that can meet the actual user demand of user, the stroke being convenient to control piston bar and working state.
For achieving the above object, the present invention is by the following technical solutions:
Twin shaft of the present invention many times of strength cylinders, comprise front cover, rear end cover, first cylinder body, and the second cylinder body to be connected with the first cylinder body, described second cylinder body is installed and is located on rear end cover, described first cylinder body and the second cylinder body coordinate vertically and are formed with two inner chambers arranged side by side, the first air cavity unit and the second air cavity unit is respectively equipped with in described two inner chambers, connecting base is provided with between described first air cavity unit and the second air cavity unit, described connecting base is seal-installed on the joint of the first cylinder body and the second cylinder body, described first air cavity unit comprises the guide holder sealing and be located in the first cylinder body, the first piston between connecting base and guide holder is located in activity, and the first piston bar be fixed on first piston, the end of described first piston bar is passed described guide holder and is fixedly attached to described front cover, described second air cavity unit comprises activity and is located at the second piston between rear end cover and connecting base, and the second piston rod be fixed on the second piston, the end of described second piston rod is passed connecting base and removably connects with first piston bar, described first piston bar is provided with the first magnetic receiver coordinated with first piston, second piston rod is provided with the second magnetic receiver coordinated with the second piston, between described first magnetic receiver and first piston, all magnet is embedded with between second magnetic receiver and the second piston, described first cylinder body and the second cylinder body are respectively equipped with suction port and relief opening, the inlet air pathway be communicated with corresponding suction port is offered respectively between described two inner chambers, and the exhaust passageway to be communicated with respective vent ports, when gas is filled with described two suction port, pressurized gas promote described two first pistons and two second piston synchronous advance, when gas pours described two relief opening, pressurized gas promote described two first pistons and the second piston synchronous retreats.
Further, described guide holder is embedded with the first bumper coordinated with the first magnetic receiver, described connecting base is embedded with respectively the second bumper coordinated with first piston and the 3rd bumper coordinated with the second magnetic receiver, described rear end cover is embedded with the 4th bumper coordinated with the second piston.
Further, between described first piston bar and guide holder, be embedded with the first seal ring, between described second piston rod and connecting base, be embedded with the second seal ring and the 3rd seal ring successively.
Further, be fixedly connected with by connecting bolt between described first cylinder body and the second cylinder body.
Beneficial effect of the present invention is: the present invention arranges the first air cavity unit and the second air cavity unit respectively by coordinating with the second cylinder body at the first cylinder body in two inner chambers that formed, and in the first air cavity unit and the second air cavity unit, piston rod is set respectively, both volume of the present invention had been reduced, volume of the present invention is arranged less, manufacture cost is lower, easy to assembly, meet the user demand of exerting oneself more greatly, also effectively reduce load suffered by each piston rod by arranging four piston rods simultaneously, piston rod is made to have stronger counter-bending and anti-torsion performance when action, not easily deform or rupture, effectively extend working life, by arranging magnetic receiver and magnet respectively on first piston and the second piston, being convenient to the position information of Real-time Obtaining piston movement, being easy to carry out fine adjustment to the stroke of piston rod, thus being convenient to control working state of the present invention.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
In figure:
1, front cover; 2, rear end cover; 3, the first cylinder body; 4, the second cylinder body; 5, connecting base; 31, guide holder; 32, first piston; 33, first piston bar; 42, the second piston; 43, the second piston rod; 34, the first magnetic receiver; 44, the second magnetic receiver; 6, magnet; 7, suction port; 8, relief opening; 9, inlet air pathway; 10, exhaust passageway; 11, the first bumper; 12, the second bumper; 13, the 3rd bumper; 14, the 4th bumper; 15, the first seal ring; 16, the second seal ring; 17, the 3rd seal ring; 18, connecting bolt.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
The many times of strength cylinders of twin shaft as shown in Figure 1, the second cylinder body 4 comprising front cover 1, rear end cover 2, first cylinder body 3 and be connected with the first cylinder body 3, described second cylinder body 4 is installed and is located on rear end cover 2, described first cylinder body 3 and the second cylinder body 4 coordinate vertically and are formed with two inner chambers arranged side by side, the first air cavity unit and the second air cavity unit is respectively equipped with in described two inner chambers, be provided with connecting base 5 between described first air cavity unit and the second air cavity unit, described connecting base 5 is seal-installed on the joint of the first cylinder body 3 and the second cylinder body 4.
Described first air cavity unit comprises the guide holder 31 sealing and be located in the first cylinder body 3, the first piston 32 between connecting base 5 and guide holder 31 is located in activity, and the first piston bar 33 be fixed on first piston 32, the end of described first piston bar 33 is passed described guide holder 31 and is fixedly attached to described front cover 1, described second air cavity unit comprises activity and is located at the second piston 42 between rear end cover 2 and connecting base 5, and the second piston rod 43 be fixed on the second piston 42, the end of described second piston rod 43 is passed connecting base 5 and removably connects with first piston bar 33.
By arranging said structure, both volume of the present invention had been reduced, volume of the present invention is arranged less, manufacture cost is lower, easy to assembly, four air cavity unit matching work, meeting the user demand of exerting oneself more greatly, also effectively reducing load suffered by each piston rod by arranging four piston rods simultaneously, make piston rod have stronger counter-bending and anti-torsion performance when action, not easily deform or rupture, effectively extending working life.Guide holder 31 ensure that the concentricity of the present invention's operationally piston rod action, prevents piston rod from occurring shift phenomenon.
Described first piston bar 33 is provided with the first magnetic receiver 34 coordinated with first piston 32, second piston rod 43 is provided with the second magnetic receiver 44 coordinated with the second piston 42, is all embedded with magnet 6 between described first magnetic receiver 34 and first piston 32, between the second magnetic receiver 44 and the second piston 42.By arranging magnetic receiver and magnet 6 respectively on first piston 32 and the second piston 42, be convenient to the position information of Real-time Obtaining piston movement, and by this local information conveying to related detection device and control gear, be easy to carry out fine adjustment to the stroke of piston rod, thus be convenient to control working state of the present invention.
Described first cylinder body 3 and the second cylinder body 4 are respectively equipped with suction port 7 and relief opening 8, the inlet air pathway 9 be communicated with corresponding suction port 7 and the exhaust passageway 10 be communicated with respective vent ports 8 is offered respectively between described two inner chambers, when gas is filled with described two suction port 7, pressurized gas promote described two first piston 32 and two second piston 42 advanced in unison; When gas pours described two relief opening 8, pressurized gas promote described two first pistons 32 and the second piston 42 synchronously retreats.The present invention, owing to arranging four air cavity unit, when four piston driving respective piston are synchronized with the movement, make size of exerting oneself of the present invention be four times that single piston movement is exerted oneself, effectively meets the user demand of exerting oneself more greatly.
Described guide holder 31 is embedded with the first bumper 11 coordinated with the first magnetic receiver 34, described connecting base 5 is embedded with respectively the second bumper 12 coordinated with first piston 32 and the 3rd bumper 13 coordinated with the second magnetic receiver 44, described rear end cover 2 is embedded with the 4th bumper 14 coordinated with the second piston 42.By arranging above-mentioned four bumpers, the impact produced when effectively alleviating action of the present invention, avoids direct collision, reduces wearing and tearing and noise.
Be embedded with the first seal ring 15 between described first piston bar 33 and guide holder 31, between described second piston rod 43 and connecting base 5, be embedded with the second seal ring 16 and the 3rd seal ring 17 successively.Arrange the first seal ring 15, second seal ring 16 and the 3rd seal ring 17, effectively ensure that sealing of the present invention, the first seal ring 15 also serves dust-proof effect simultaneously, avoids the impurity such as dust to enter inside of the present invention.Be fixedly connected with by connecting bolt 18 between described first cylinder body 3 and the second cylinder body 4, easy to assembly and comparatively firm, improve efficiency of assembling.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (4)
1. a twin shaft many times of strength cylinders, comprise front cover (1), rear end cover (2), first cylinder body (3), and the second cylinder body (4) to be connected with the first cylinder body (3), the installation of described second cylinder body (4) is located on rear end cover (2), described first cylinder body (3) and the second cylinder body (4) coordinate vertically and are formed with two inner chambers arranged side by side, it is characterized in that: in described two inner chambers, be respectively equipped with the first air cavity unit and the second air cavity unit, connecting base (5) is provided with between described first air cavity unit and the second air cavity unit, described connecting base (5) is seal-installed on the joint of the first cylinder body (3) and the second cylinder body (4), described first air cavity unit comprises sealing and is located at guide holder (31) in the first cylinder body (3), the first piston (32) between connecting base (5) and guide holder (31) is located in activity, and the first piston bar (33) be fixed on first piston (32), the end of described first piston bar (33) is passed described guide holder (31) and is fixedly attached to described front cover (1), described second air cavity unit comprises activity and is located at the second piston (42) between rear end cover (2) and connecting base (5), and the second piston rod (43) be fixed on the second piston (42), the end of described second piston rod (43) is passed connecting base (5) and removably connects with first piston bar (33), described first piston bar (33) is provided with the first magnetic receiver (34) coordinated with first piston (32), second piston rod (43) is provided with the second magnetic receiver (44) coordinated with the second piston (42), between described first magnetic receiver (34) and first piston (32), magnet (6) is all embedded with between second magnetic receiver (44) and the second piston (42), described first cylinder body (3) and the second cylinder body (4) are respectively equipped with suction port (7) and relief opening (8), the inlet air pathway (9) be communicated with corresponding suction port (7) is offered respectively between described two inner chambers, and the exhaust passageway (10) to be communicated with respective vent ports (8), when gas is filled with described two suction ports (7), pressurized gas promote described two first pistons (32) and two second piston (42) advanced in unison, when gas pours described two relief openings (8), pressurized gas promote described two first pistons (32) and the second piston (42) synchronously retreats.
2. twin shaft according to claim 1 many times of strength cylinders, it is characterized in that: described guide holder (31) is embedded with the first bumper (11) coordinated with the first magnetic receiver (34), described connecting base (5) is embedded with respectively the second bumper (12) coordinated with first piston (32) and the 3rd bumper (13) coordinated with the second magnetic receiver (44), described rear end cover (2) is embedded with the 4th bumper (14) coordinated with the second piston (42).
3. twin shaft according to claim 1 many times of strength cylinders, it is characterized in that: between described first piston bar (33) and guide holder (31), be embedded with the first seal ring (15), between described second piston rod (43) and connecting base (5), be embedded with the second seal ring (16) and the 3rd seal ring (17) successively.
4. twin shaft according to claim 1 many times of strength cylinders, is characterized in that: be fixedly connected with by connecting bolt (18) between described first cylinder body (3) and the second cylinder body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160551.4A CN103953610B (en) | 2014-04-21 | 2014-04-21 | Twin shaft many times of strength cylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160551.4A CN103953610B (en) | 2014-04-21 | 2014-04-21 | Twin shaft many times of strength cylinders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953610A CN103953610A (en) | 2014-07-30 |
| CN103953610B true CN103953610B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410160551.4A Active CN103953610B (en) | 2014-04-21 | 2014-04-21 | Twin shaft many times of strength cylinders |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351912B (en) * | 2016-09-30 | 2018-06-05 | 深圳市永福顺机械设备有限公司 | Cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744287A (en) * | 1986-01-21 | 1988-05-17 | Smc Corporation | Rodless cylinder |
| JPH09317709A (en) * | 1996-05-29 | 1997-12-09 | Ckd Corp | Twin rod cylinder |
| CN101769277A (en) * | 2008-12-29 | 2010-07-07 | 佛山市顺德区沃德人造板制造有限公司 | Hydraulic oil cylinder |
| CN201588838U (en) * | 2009-12-14 | 2010-09-22 | 中国第一重型机械股份公司 | Cascade hydraulic cylinder |
| CN102182720A (en) * | 2011-05-05 | 2011-09-14 | 嘉善雪帕尔工具有限公司 | Double-speed oil cylinder |
| CN203796666U (en) * | 2014-04-21 | 2014-08-27 | 宁波以赛亚气动成套有限公司 | Double-shaft and multiple-strength air cylinder |
-
2014
- 2014-04-21 CN CN201410160551.4A patent/CN103953610B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744287A (en) * | 1986-01-21 | 1988-05-17 | Smc Corporation | Rodless cylinder |
| JPH09317709A (en) * | 1996-05-29 | 1997-12-09 | Ckd Corp | Twin rod cylinder |
| CN101769277A (en) * | 2008-12-29 | 2010-07-07 | 佛山市顺德区沃德人造板制造有限公司 | Hydraulic oil cylinder |
| CN201588838U (en) * | 2009-12-14 | 2010-09-22 | 中国第一重型机械股份公司 | Cascade hydraulic cylinder |
| CN102182720A (en) * | 2011-05-05 | 2011-09-14 | 嘉善雪帕尔工具有限公司 | Double-speed oil cylinder |
| CN203796666U (en) * | 2014-04-21 | 2014-08-27 | 宁波以赛亚气动成套有限公司 | Double-shaft and multiple-strength air cylinder |
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| Publication number | Publication date |
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| CN103953610A (en) | 2014-07-30 |
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| C14 | Grant of patent or utility model | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Lin Kaifeng Inventor after: Fan Hailang Inventor after: Lin Chuanbo Inventor before: Chen Haibin Inventor before: Du Weijie Inventor before: Zhu Jiansong Inventor before: Mao Xiaping Inventor before: Lin Kaifeng Inventor before: Hu Jun |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180211 Address after: 315500 Dongfeng Road, No. 80 (house B), Fenghua District, Ningbo, Zhejiang Patentee after: Ningbo Intel Pneumatic Technology Co., Ltd. Address before: 315500 Fenghua hi tech park of Fenghua City, Ningbo, Zhejiang Province, Ningbo Isaiah Pneumatic Co., Ltd. Patentee before: NINGBO ISAIAH PNEUMATICS CO., LTD. |
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| TR01 | Transfer of patent right |