CN2784644Y - Novel pressure cylinder and vehicle buffer safety device - Google Patents
Novel pressure cylinder and vehicle buffer safety device Download PDFInfo
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- CN2784644Y CN2784644Y CN 200420011053 CN200420011053U CN2784644Y CN 2784644 Y CN2784644 Y CN 2784644Y CN 200420011053 CN200420011053 CN 200420011053 CN 200420011053 U CN200420011053 U CN 200420011053U CN 2784644 Y CN2784644 Y CN 2784644Y
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- pressure cylinder
- internal diameter
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- piston rod
- pressure
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Abstract
The utility model relates to a pressure cylinder and a vehicle buffer safety device, particularly the novel pressure cylinder and the vehicle buffer safety device. The novel pressure cylinder comprises a cylinder body, a piston and a piston rod, wherein the top end of the piston is provided with a through hole which communicates an inner chamber of the cylinder body and the inner chamber of the hollow sealing piston rod. The vehicle buffer safety device comprises pressure cylinders with definite quantity, a support bracket and an energy absorption lever, wherein the pressure cylinders are sheathed and fixed in the support bracket, and the end plates of the pressure cylinders are fixed on a rear cross beam of the support bracket. The hollow piston rod of the pressure cylinder is fixed on the energy absorption lever. When vehicles are crashed, air in pressure cylinder bodies can be compressed by the energy absorption lever through the hollow piston rod and the piston, so that the compression in the cylinder bodies which are communicated with the hollow piston rod is quickly increased, and the collision force is resisted and relieved. The utility model has the advantages of scientific and reasonable design and compact structure. The pressure cylinders can be arranged in one row or a plurality of rows, and the entire performance is reliable. The utility model is the ideal pressure cylinder and the buffer safety device of vehicle.
Description
One. technical field: the utility model relates to a kind of pressure cylinder and vehicle safety safty device, particularly relates to a kind of new pressure cylinder and vehicle baffle safety safty device.
Two. background technique; In modern society, the motor vehicle transport facility that is absolutely necessary in the use, inevitably occurs vehicle sometimes and bumps against, and causes very big loss for people's life safety and property loss.At this problem; people have carried out anticollision research for a long time; many useful work have been done; as application number is 94101475.4; anticollision fender-guard for vehicle; complex structure is difficult to implement, and application number is 97108130.1 energy-removing piston safety devices; multi-level piston; liquid damping is arranged again, set up safety plate and protective net, design unreasonable; application number is 00241931.9; the safety of person vehicle protector; disclose to utilize and cut off the bearing pin method and alleviate impact force, it is little to exist the little effect of bearing pin, and bearing pin does not have buffer function greatly; though these devices have been obtained certain effect, have other problem.
Three. the model utility content: the purpose of this utility model is: the problem for the vehicle safety safty device that overcome prior art exist, design make new advances pressure cylinder and vehicle baffle safety safty device.
The technical solution adopted in the utility model is: a kind of new pressure cylinder and vehicle baffle safety safty device.New pressure cylinder contains cylinder body, piston and piston rod, and pressure cylinder inner chamber and hollow sealing piston rod cavity are communicated with.
The packing of different length is housed in the hollow piston rod, or piston rod there is another section of one section hollow to be solid hopkinson bar near piston one end.
Hydraulic oil or air are housed in the pressure cylinder.
Piston tip in the cylinder pressure has a through hole, is communicated with inner chamber of cylinder block and hollow piston rod inner chamber.
Vehicle baffle safety safty device, pressure cylinder, support, power absorption thick stick that some is arranged, pressure cylinder suit side by side is fixed in the forward and backward beam of support, the fixed seal head of pressure cylinder is fixed on the support rear cross beam, hollow piston rod one end of pressure cylinder is fixed on the power absorption thick stick, a vertical fixedly connected beam that has attachment hole is respectively arranged about between the forward and backward beam of support.
The pressure cylinder number of suit is respectively 3,4 in support, and 5,6,7,8,9,10,11,12,13,14,15,16.
The pressure cylinder internal diameter of suit is identical or different in support, same inner diameter axisymmetric or left and right symmetric arrangement.
Be set with three internal diameter uniform pressure cylinders in the support, or the big pressure cylinder of a middle internal diameter, respectively there is a less pressure cylinder of internal diameter on both sides, or are set with four internal diameter uniform pressure cylinders in the support, or two pressure cylinder internal diameters are bigger in the middle of the support, and respectively there is a pressure cylinder that internal diameter is less on both sides.
The pressure cylinder that is sleeved in the support is that the centre has three less pressure cylinders of internal diameter, respectively there is the big pressure cylinder of an internal diameter on both sides, or there is the big pressure cylinder of two internal diameters the centre, respectively there are two less pressure cylinders of internal diameter on both sides, or there are four less pressure cylinders of internal diameter the centre, and respectively there is the big pressure cylinder of an internal diameter on both sides.
Be set with nine pressure cylinders that diameter is identical in the support, double being symmetrical arranged, or identical or different pressure cylinder three rows of 14 internal diameters of suit are symmetrical arranged in the support.
Good effect of the present utility model:
1. the piston tip in the utility model pressure cylinder has a through hole, and inner chamber of cylinder block is communicated with the hollow piston rod inner chamber, and structural design is ingenious, effectively improve impact resistance, increased effective pressure area, make compact structure, small volume bears big load, and this new pressure cylinder can be used as vibration damper and uses.
2. different with environment at using vehicle, the packing of different length is housed in the hollow piston rod, adjust cylinder pressure flexibly, make performance more reliable, Applicable scope is more extensive, and not only sedan car or big minibus, big or small lorry can be suitable for.
3. the utility model can bear big load impacting power, and is safe and reliable, simple in structure, reasonable in design.
4. because cylinder diameter is identical or different, make the configuration of this Design of device, mounting arrangement is reasonable flexibly.
5. this device design science is reasonable, and is easy for installation, is comparatively ideal pressure cylinder and vehicle baffle safety safty device.
Four. description of drawings:
Fig. 1 is one of pressure cylinder structural representation;
Fig. 2 is two of a pressure cylinder structural representation;
Fig. 3 is three of a pressure cylinder structural representation;
Fig. 4 is one of vehicle baffle safety safty device structural representation;
Fig. 5 is two of a vehicle baffle safety fort danger apparatus structure schematic representation;
Fig. 6 is three of a vehicle baffle safety safty device structural representation;
Fig. 7 is four of a vehicle baffle safety safty device structural representation;
Fig. 8 is five of a vehicle baffle safety safty device structural representation;
Fig. 9 is six of a vehicle baffle safety safty device structural representation;
Fig. 9-the 1st, vehicle baffle safety safty device structure A-A section forward sight structural representation;
Figure 10 is seven of a vehicle baffle safety safty device structural representation;
Figure 10-the 1st, vehicle baffle safety safty device structure B-B cross-sectional view.
Five. embodiment;
Embodiment one. referring to Fig. 1, among the figure, numbering 1 and 6 is respectively the two ends end socket of pressure cylinder, the internal surface fixed seal connection at the outer surface of two end sockets and cylinder body 2 two ends, end socket 1 one ends are for tightening up link, and end socket 6 has through hole, are slidingly matched with hollow piston rod 5,4 is piston, be installed in the inner chamber of cylinder block, seal ring be housed in the piston ring groove or claim piston ring 3, hollow piston rod 5 is fixedlyed connected with piston 4,9 is the intercommunicating pore of piston tip, it makes inner chamber of cylinder block be communicated with the hollow piston rod inner chamber, and 7 is the hollow piston rod packing, and this thing can slide in piston rod, 8 are the rod seal end socket, and there is the connection fastening piece in central authorities.Travel forward when piston is stressed, with the compression of inner chamber of cylinder block air or oil volume, cavity pressure increases, after external force disappears, and the piston origin-location of can rebounding automatically.
Embodiment two. referring to Fig. 2, numbering is identical with embodiment one in the present embodiment, represent meaning identical, no longer repeat, have be: some difference of connection sealing configuration of end socket 1.1,6.1,8.1, the interior step of the external diameter at cylinder body 2 two ends and end socket 1.1,6.1 is tightly connected, and the interior step of the external diameter of hollow piston rod 5 and rod seal 8.1 is tightly connected.
Embodiment three. referring to Fig. 3, numbering is identical with embodiment one in the present embodiment, represent meaning identical, no longer repeat, have be: some difference of connection sealing configuration of end socket 1.2,6.2,8.2, the two ends of cylinder body 2, insert the groove of end socket 1.2,6.2, be tightly connected the tail end of hollow piston rod 5, insert the groove of rod seal 8.1, be tightly connected.
Embodiment four: referring to Fig. 4, among the figure by front cross beam 12, rear cross beam 14, about each vertical fixed beam 13 that has attachment hole, the composition support is mutually permanently connected, the pressure cylinder 18 that internal diameter is bigger is installed by support central authorities, a pressure cylinder 15 that internal diameter is more a little bit smaller is respectively installed at the support two ends, three cylinders side by side, each pressure cylinder end socket 1 is fixed on the rear cross beam 14, each pressure cylinder the other end suit is fixed in the front cross beam 12, and hollow piston rod 5 tail ends and power absorption thick stick 11 are connected by fastening piece.When collision happens, striking force through hollow piston rod 5, piston 4, with the air compression in the pressure cylinder 2, increases the pressure in the new pressure cylinder rapidly by the power absorption thick stick, produces damping, and the energy that the opposing collision produces absorbs and alleviated striking force.
Embodiment five: referring to Fig. 5, present embodiment is to improve on embodiment four basis, and it is identical with embodiment four originally to execute in the example numbering, represents meaning identical, no longer repeats, and what they were different is: four pressure cylinders 15 that internal diameter is less are installed in the support side by side.
Embodiment six: referring to Fig. 6, present embodiment is to improve on embodiment four basis, originally it is identical with embodiment four to execute in the example numbering, represent meaning identical, no longer repeat, what they were different is: mid-stent is installed three pressure cylinders 15 that internal diameter is less side by side, and a pressure cylinder 18 that internal diameter is bigger is respectively installed on both sides.
Embodiment seven: referring to Fig. 7, present embodiment is to improve on embodiment four basis, originally it is identical with embodiment four to execute in the example numbering, represent meaning identical, no longer repeat, what they were different is: mid-stent is installed two pressure cylinders 18 that internal diameter is bigger side by side, and each installs two pressure cylinders 15 that internal diameter is less side by side both sides.
Embodiment eight: referring to Fig. 8, present embodiment is to improve on embodiment four basis, and it is identical with embodiment four originally to execute in the example numbering, represents meaning identical, no longer repeats, and what they were different is: seven pressure cylinders 15 that internal diameter is less are installed in the support side by side.
Embodiment nine: referring to Fig. 9, Fig. 9-1, present embodiment is to improve on embodiment four basis, originally it is identical with embodiment four to execute in the example numbering, represent meaning identical, no longer repeat, what they were different is: 9 less pressure cylinders 15 of internal diameter are installed in the pressure cylinder support, are set to two-row structure layout up and down.When collision happens, the transmission of power is more even, and overall performance is more reliable.
Embodiment ten: referring to Figure 10, Figure 10-1, present embodiment is to improve on embodiment nine basis, and it is identical with embodiment nine originally to execute in the example numbering, represent meaning identical, no longer repeat, what they were different is: 14 internal diameter uniform pressure cylinders are installed in the support, are set to three row's topology layouts.
Claims (10)
1. a new pressure cylinder contains cylinder body, piston and piston rod, it is characterized in that: pressure cylinder inner chamber and hollow sealing piston rod cavity are communicated with.
2. pressure cylinder according to claim 1 is characterized in that: the packing of different length is housed in the hollow piston rod, or piston rod has one section hollow near piston one end, another section is a solid hopkinson bar.
3. pressure cylinder according to claim 1 is characterized in that: hydraulic oil or air are housed in the pressure cylinder.
4. according to the arbitrary described pressure cylinder of claim 1-3, it is characterized in that: the piston tip in the pressure cylinder has a through hole, is communicated with inner chamber of cylinder block and hollow piston rod inner chamber.
5. vehicle baffle safety safty device that contain claim 1, the pressure cylinder, support, the power absorption thick stick that contain some, it is characterized in that: pressure cylinder suit side by side is fixed in the forward and backward beam of support, the fixed seal head of pressure cylinder is fixed on the support rear cross beam, hollow piston rod one end of pressure cylinder is fixed on the power absorption thick stick, between the forward and backward beam of support, left and right respectively have a vertical fixedly connected beam that has attachment hole.
6. safty device according to claim 5 is characterized in that: the pressure cylinder number of suit is respectively 3,4 in support, and 5,6,7,8,9,10,11,12,13,14,15,16.
7. safty device according to claim 5 is characterized in that: the pressure cylinder internal diameter of suit is identical or different in support, same inner diameter axisymmetric or left and right symmetric arrangement.
8. safty device according to claim 7, it is characterized in that: be set with three internal diameter uniform pressure cylinders in the support, or the big pressure cylinder of a middle internal diameter, respectively there is a less pressure cylinder of internal diameter on both sides, or be set with four internal diameter uniform pressure cylinders in the support, or middle two pressure cylinder internal diameters are identical, and both sides pressure cylinder internal diameter is identical or different.
9. safty device according to claim 7, it is characterized in that: the pressure cylinder that is sleeved in the support is that the centre has three less pressure cylinders of internal diameter, both sides respectively have big pressure cylinder of an internal diameter or centre that the big pressure cylinder of two internal diameters is arranged, respectively there are two less pressure cylinders of internal diameter on both sides, or there are four less pressure cylinders of internal diameter the centre, and respectively there is the big pressure cylinder of an internal diameter on both sides.
10. safty device according to claim 7 is characterized in that: be set with nine pressure cylinders that diameter is identical in the support, and double being symmetrical arranged, or 14 identical or different pressure cylinder three rows of diameter are symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420011053 CN2784644Y (en) | 2004-06-16 | 2004-06-16 | Novel pressure cylinder and vehicle buffer safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420011053 CN2784644Y (en) | 2004-06-16 | 2004-06-16 | Novel pressure cylinder and vehicle buffer safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2784644Y true CN2784644Y (en) | 2006-05-31 |
Family
ID=36771619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420011053 Expired - Fee Related CN2784644Y (en) | 2004-06-16 | 2004-06-16 | Novel pressure cylinder and vehicle buffer safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2784644Y (en) |
-
2004
- 2004-06-16 CN CN 200420011053 patent/CN2784644Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |