CN204552371U - One is closed the door bounce cylinder - Google Patents
One is closed the door bounce cylinder Download PDFInfo
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- CN204552371U CN204552371U CN201520020035.1U CN201520020035U CN204552371U CN 204552371 U CN204552371 U CN 204552371U CN 201520020035 U CN201520020035 U CN 201520020035U CN 204552371 U CN204552371 U CN 204552371U
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- piston
- cylinder barrel
- rear end
- rodless cavity
- connection block
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Abstract
One disclosed in the utility model is closed the door bounce cylinder, comprise Connection Block and drive end bearing bracket, Connection Block is connected by the first cylinder barrel with drive end bearing bracket, first piston is movably set with in first cylinder barrel, first piston is provided with first piston bar, Connection Block, the first rodless cavity is formed between first cylinder barrel and first piston, drive end bearing bracket, the first rod chamber is formed between first cylinder barrel and first piston, Connection Block is provided with the first lyriform pore be connected with the first rodless cavity, drive end bearing bracket is provided with the first row pore be connected with the first rod chamber, first piston is provided with the first flow hole being communicated with the first rodless cavity and the first rod chamber, the rear end of first piston is embedded with the first one-way sealing packing coordinated with first flow hole.The utility model is simple and reasonable, buffering effect is better, application life is longer, use cost is lower, it is comparatively wider for convenience of, the scope of application to control.
Description
Technical field
The utility model relates to buffer technical field of closing the door, and particularly one is closed the door bounce cylinder.
Background technology
In automatic door unit, for avoiding, colliding between door and doorframe (or Men Yumen) at closing time, affecting the application life of door, usually on door, buffer of closing the door can be installed.Existing buffer of closing the door is mainly spring automatic reset formula, also has to adopt anti-collision adhesive tape as buffer.But above two kinds of existing buffered forms all belong to pressure elastic buffer, and application life is limited.In addition, utilize the motion state of transducing signal control gate on the market in addition, by the ad-hoc location sensor installation at doorframe, at closing time, when door moves to sensing station, signal feedback to ECU, is directly reduced the movement velocity of door by sensor by ECU, and then opposite house plays the effect of deceleration at turn-off transient.But, this control mode utilizing transducing signal, comparatively strict to the designing requirement of ECU, not only control difficulty comparatively large, and use cost is higher, causes applicable situation limited, is difficult to obtain popularity.
Utility model content
The purpose of this utility model is defect for prior art and deficiency, provide a kind of simple and reasonable, buffering effect better, application life is longer, use cost is lower, control comparatively for convenience of, bounce cylinder of closing the door that the scope of application is wider.
For achieving the above object, the utility model is by the following technical solutions:
One described in the utility model is closed the door bounce cylinder, comprise Connection Block and drive end bearing bracket, described Connection Block is connected by the first cylinder barrel with described drive end bearing bracket, first piston is movably set with in described first cylinder barrel, described first piston is provided with first piston bar, the free end of described first piston bar passes described drive end bearing bracket and stretches out in the outside of described first cylinder barrel, described Connection Block, the first rodless cavity is formed between described first cylinder barrel and described first piston, described drive end bearing bracket, the first rod chamber is formed between described first cylinder barrel and described first piston, described Connection Block is provided with the first lyriform pore be connected with described first rodless cavity, described drive end bearing bracket is provided with the first row pore be connected with described first rod chamber, described first piston is provided with the first flow hole being communicated with described first rodless cavity and described first rod chamber, the rear end of described first piston is embedded with the first one-way sealing packing coordinated with described first flow hole, the front end face of described first one-way sealing packing is set to the conical surface, the rear end face of described first one-way sealing packing is set to plane.
Further, also comprise rear end cap, described Connection Block is connected by the second cylinder barrel with described rear end cap, the second piston is movably set with in described second cylinder barrel, described second piston is provided with the second piston rod, the free end of described second piston rod passes described rear end cap and stretches out in the outside of described second cylinder barrel, described Connection Block, the second rodless cavity is formed between described second cylinder barrel and described second piston, described rear end cap, the second rod chamber is formed between described second cylinder barrel and described second piston, described Connection Block is provided with the second lyriform pore be connected with described second rodless cavity, described rear end cap is provided with the second row pore be connected with described second rod chamber, described second piston is provided with the second runner hole being communicated with described second rodless cavity and described second rod chamber, the front end of described second piston is embedded with the second one-way sealing packing coordinated with described second runner hole, the front end face of described second one-way sealing packing is set to plane, the rear end face of described second one-way sealing packing is set to the conical surface.
Further, between described first piston and described first cylinder barrel, be embedded with the first sealing ring and the first wear ring respectively, between described second piston and described second cylinder barrel, be embedded with the second sealing ring and the second wear ring respectively.
Further, the front end of described first piston is provided with the first bumper matched with described drive end bearing bracket, and the rear end of described second piston is provided with the second bumper matched with described rear end cap.
The beneficial effects of the utility model are: the one that the utility model provides is closed the door bounce cylinder, the free end of first piston bar is arranged on door, when door control unit send close the door instruction time, first piston bar is retracted under the driving of automatic door, first rodless cavity volume-diminished, because the front end face of the first one-way sealing packing is set to the conical surface, and rear end face is set to plane, make first piston bar in retraction process, path between first rod chamber and the first rodless cavity is closed, the air of the first rodless cavity inside can not enter into the first rod chamber, compressed air now in the first rodless cavity is discharged through the first lyriform pore, thus the buffer deceleration realized automatic door, when door control unit sends door open command, first piston bar stretches out, now under the effect of the first one-way sealing packing, conducting state can be formed between first rod chamber and the first rodless cavity, an air part now in the first rod chamber is discharged through first row gas port, another part is then flow in the first rodless cavity by first flow hole, thus has both ensured the normal unlatching of automatic door, simultaneously also effectively compensates the air in the first rodless cavity.
In sum, the utility model by arranging lyriform pore on Connection Block, specifically, the bore dia of the first lyriform pore (or second lyriform pore) is about 0.15mm, when piston rod is retracted, air in rodless cavity is discharged through corresponding lyriform pore, specifically, in this process, the movement velocity of first piston bar (or second piston rod) is about 10mm/s, thus effectively play the effect of deceleration buffer, compared with prior art, the utility model vibrational power flow is simple, buffering effect is better, and application life is longer, simultaneously, the utility model is due to without the need to arranging sensor, thus reduce the design difficulty of ECU, it is convenient to control, use cost is lower, the scope of application is wider.In addition, without the need to inflation during utility model works, only need the air in the first rodless cavity (or second rodless cavity) can realize buffering, energy-saving effect is better.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the A place structure for amplifying schematic diagram of Fig. 1.
In Fig. 1 and Fig. 2:
1, Connection Block; 2, drive end bearing bracket; 3, the first cylinder barrel; 4, first piston; 41, first flow hole; 42, the first one-way sealing packing; 43, the first bumper; 5, first piston bar; 6, the first lyriform pore; 7, first row pore; 8, rear end cap; 9, the second cylinder barrel; 10, the second piston; 101, the second runner hole; 102, the second one-way sealing packing; 103, the second bumper; 11, the second piston rod; 12, second row pore; 131, the first sealing ring; 132, the first wear ring; 141, the second sealing ring; 142, the second wear ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
One is as depicted in figs. 1 and 2 closed the door bounce cylinder, comprise Connection Block 1 and drive end bearing bracket 2, Connection Block 1 is connected by the first cylinder barrel 3 with drive end bearing bracket 2, first piston 4 is movably set with in first cylinder barrel 3, first piston 4 is provided with first piston bar 5, the free end of first piston bar 5 passes drive end bearing bracket 2 and stretches out in the outside of the first cylinder barrel 3, Connection Block 1, the first rodless cavity is formed between first cylinder barrel 3 and first piston 4, drive end bearing bracket 2, the first rod chamber is formed between first cylinder barrel 3 and first piston 4, Connection Block 1 is provided with the first lyriform pore 6 be connected with the first rodless cavity, drive end bearing bracket 2 is provided with the first row pore 7 be connected with the first rod chamber, first piston 4 is provided with the first flow hole 41 being communicated with the first rodless cavity and the first rod chamber, the rear end of first piston 4 is embedded with the first one-way sealing packing 42 coordinated with first flow hole 41, the front end face of the first one-way sealing packing 42 is set to the conical surface, the rear end face of the first one-way sealing packing 42 is set to plane.
The above is applicable to simple gate structure.Its operating principle is: the free end of first piston bar 5 is arranged on door, when door control unit send close the door instruction time, first piston bar 5 is retracted under the driving of automatic door, first rodless cavity volume-diminished, because the front end face of the first one-way sealing packing 42 is set to the conical surface, and rear end face is set to plane, make first piston bar 5 in retraction process, path between first rod chamber and the first rodless cavity is closed, the air of the first rodless cavity inside can not enter into the first rod chamber, compressed air now in the first rodless cavity is discharged through the first lyriform pore 6, thus the buffer deceleration realized automatic door, when door control unit sends door open command, first piston bar 5 stretches out, now under the effect of the first one-way sealing packing 42, conducting state can be formed between first rod chamber and the first rodless cavity, an air part now in the first rod chamber is discharged through first row gas port, another part is then flow in the first rodless cavity by first flow hole 41, thus has both ensured the normal unlatching of automatic door, simultaneously also effectively compensates the air in the first rodless cavity.
As a kind of preferred embodiment, when the utility model is applied to two-door structure, the utility model also comprises rear end cap 8, Connection Block 1 is connected by the second cylinder barrel 9 with rear end cap 8, the second piston 10 is movably set with in second cylinder barrel 9, second piston 10 is provided with the second piston rod 11, the free end of the second piston rod 11 passes rear end cap 8 and stretches out in the outside of the second cylinder barrel 9, Connection Block 1, the second rodless cavity is formed between second cylinder barrel 9 and the second piston 10, rear end cap 8, the second rod chamber is formed between second cylinder barrel 9 and the second piston 10, Connection Block 1 is provided with the second lyriform pore (not shown) be connected with the second rodless cavity, rear end cap 8 is provided with the second row pore 12 be connected with the second rod chamber, second piston 10 is provided with the second runner hole 101 being communicated with the second rodless cavity and the second rod chamber, the front end of the second piston 10 is embedded with the second one-way sealing packing 102 coordinated with the second runner hole 101, the front end face of the second one-way sealing packing 102 is set to plane, the rear end face of the second one-way sealing packing 102 is set to the conical surface.Operating principle under two-door state is identical with the operating principle of simple gate state, and and therefore not to repeat here.
In sum, the utility model by arranging lyriform pore on Connection Block 1, specifically, the diameter of the first lyriform pore 6 (or second lyriform pore) is about 0.15mm, when piston rod is retracted, air in rodless cavity is discharged through corresponding lyriform pore, specifically, in this process, the movement velocity of first piston bar 5 (or second piston rod 11) is about 10mm/s, thus effectively play the effect of deceleration buffer, compared with prior art, the utility model vibrational power flow is simple, buffering effect is better, and application life is longer, simultaneously, the utility model is due to without the need to arranging sensor, thus reduce the design difficulty of ECU, it is convenient to control, use cost is lower, the scope of application is wider.In addition, without the need to inflation during utility model works, only need the air in the first rodless cavity (or second rodless cavity) can realize buffering, energy-saving effect is better.
In order to improve sealing performance of the present utility model, being embedded with the first sealing ring 131 and the first wear ring 132, second piston 10 and the second cylinder barrel 9 between first piston 4 and the first cylinder barrel 3 respectively and being embedded with the second sealing ring 141 and the second wear ring 142 respectively.
In order to avoid first piston bar 5 (or second piston rod 11) is when stretching out, first piston 4 (or second piston 10) directly and drive end bearing bracket 2 (or rear end cap 8) collide, the rear end that the front end of first piston 4 is provided with the first bumper 43, second piston 10 matched with drive end bearing bracket 2 is provided with the second bumper 103 matched with rear end cap 8.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (4)
1. a bounce cylinder of closing the door, it is characterized in that: comprise Connection Block and drive end bearing bracket, described Connection Block is connected by the first cylinder barrel with described drive end bearing bracket, first piston is movably set with in described first cylinder barrel, described first piston is provided with first piston bar, the free end of described first piston bar passes described drive end bearing bracket and stretches out in the outside of described first cylinder barrel, described Connection Block, the first rodless cavity is formed between described first cylinder barrel and described first piston, described drive end bearing bracket, the first rod chamber is formed between described first cylinder barrel and described first piston, described Connection Block is provided with the first lyriform pore be connected with described first rodless cavity, described drive end bearing bracket is provided with the first row pore be connected with described first rod chamber, described first piston is provided with the first flow hole being communicated with described first rodless cavity and described first rod chamber, the rear end of described first piston is embedded with the first one-way sealing packing coordinated with described first flow hole, the front end face of described first one-way sealing packing is set to the conical surface, the rear end face of described first one-way sealing packing is set to plane.
2. bounce cylinder of closing the door according to claim 1, it is characterized in that: also comprise rear end cap, described Connection Block is connected by the second cylinder barrel with described rear end cap, the second piston is movably set with in described second cylinder barrel, described second piston is provided with the second piston rod, the free end of described second piston rod passes described rear end cap and stretches out in the outside of described second cylinder barrel, described Connection Block, the second rodless cavity is formed between described second cylinder barrel and described second piston, described rear end cap, the second rod chamber is formed between described second cylinder barrel and described second piston, described Connection Block is provided with the second lyriform pore be connected with described second rodless cavity, described rear end cap is provided with the second row pore be connected with described second rod chamber, described second piston is provided with the second runner hole being communicated with described second rodless cavity and described second rod chamber, the front end of described second piston is embedded with the second one-way sealing packing coordinated with described second runner hole, the front end face of described second one-way sealing packing is set to plane, the rear end face of described second one-way sealing packing is set to the conical surface.
3. bounce cylinder of closing the door according to claim 2, it is characterized in that: between described first piston and described first cylinder barrel, be embedded with the first sealing ring and the first wear ring respectively, between described second piston and described second cylinder barrel, be embedded with the second sealing ring and the second wear ring respectively.
4. bounce cylinder of closing the door according to claim 3, is characterized in that: the front end of described first piston is provided with the first bumper matched with described drive end bearing bracket, and the rear end of described second piston is provided with the second bumper matched with described rear end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520020035.1U CN204552371U (en) | 2015-01-13 | 2015-01-13 | One is closed the door bounce cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520020035.1U CN204552371U (en) | 2015-01-13 | 2015-01-13 | One is closed the door bounce cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204552371U true CN204552371U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520020035.1U Active CN204552371U (en) | 2015-01-13 | 2015-01-13 | One is closed the door bounce cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN204552371U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296196A (en) * | 2018-01-30 | 2018-07-20 | 宁波沸柴机器人科技有限公司 | A kind of energy saving two-wheel dust-extraction unit |
| CN109162989A (en) * | 2018-09-30 | 2019-01-08 | 武汉船用机械有限责任公司 | Returning buffering device |
| CN113565914A (en) * | 2021-09-18 | 2021-10-29 | 宁波市仁龙机械有限公司 | Damping type air spring |
-
2015
- 2015-01-13 CN CN201520020035.1U patent/CN204552371U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296196A (en) * | 2018-01-30 | 2018-07-20 | 宁波沸柴机器人科技有限公司 | A kind of energy saving two-wheel dust-extraction unit |
| CN109162989A (en) * | 2018-09-30 | 2019-01-08 | 武汉船用机械有限责任公司 | Returning buffering device |
| CN109162989B (en) * | 2018-09-30 | 2020-10-16 | 武汉船用机械有限责任公司 | Return buffer device |
| CN113565914A (en) * | 2021-09-18 | 2021-10-29 | 宁波市仁龙机械有限公司 | Damping type air spring |
| CN113565914B (en) * | 2021-09-18 | 2021-12-28 | 宁波市仁龙机械有限公司 | Damping type air spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Kaifeng Inventor after: Fan Hailang Inventor after: Lin Chuanbo Inventor before: Fan Hailang Inventor before: Hu Jun Inventor before: Lin Kaifeng Inventor before: Chen Haibin Inventor before: Du Weijie |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180208 Address after: 315500 Dongfeng Road, No. 80 (house B), Fenghua District, Ningbo, Zhejiang Patentee after: Ningbo Intel Pneumatic Technology Co., Ltd. Address before: Fenghua City, Zhejiang province 315500 Ningbo Huiquan Road Economic Development Zone No. 168 Patentee before: NINGBO ISAIAH PNEUMATICS CO., LTD. |