CN201150371Y - Buffer fluid jar for movable furniture - Google Patents
Buffer fluid jar for movable furniture Download PDFInfo
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- CN201150371Y CN201150371Y CNU2008200032746U CN200820003274U CN201150371Y CN 201150371 Y CN201150371 Y CN 201150371Y CN U2008200032746 U CNU2008200032746 U CN U2008200032746U CN 200820003274 U CN200820003274 U CN 200820003274U CN 201150371 Y CN201150371 Y CN 201150371Y
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Abstract
A buffer fluid cylinder, in particular to a double-shaft type buffer fluid cylinder for movable furniture is provided. Two cylinder shafts which can slip in front and back directions through two cylinder grooves in a same cylinder body of the buffer fluid cylinder, which relatively not occupy much space, thereby providing longer distance buffer stroke and excellent buffer effect.
Description
Technical field
The utility model relates to the buffer fluid cylinder, particularly a kind of buffer fluid cylinder that is used for mobilizable furniture.
Background technology
Be used in mobilizable furniture, the set single axle fluid cylinder of the self closing device of drawer sliding rail for example, disclosed single axle pneumatic cylinder or single axle hydraulic cylinder in the prior art, all has buffering effect, U.S. 6615450B2 patent for example, or No. 7244005 patent of same applicant's the U.S., and the Taiwan patent announcement is numbered the M294879 patent, yet through verification, if because of the demand of use occasion or other big cushion stroke need be to increase buffering effect, then certainly will to strengthen the size of pneumatic cylinder or oil hydraulic cylinder, even company's furniture, for example the size of drawer sliding rail also needs to strengthen, can take the bigger volume of timber and space like this, and significantly increase cost, and the increasing of the volume of timber has limited its field of employment and the scope of application again.Therefore be necessary to be improved.
The utility model content
The purpose of this utility model is to provide a kind of buffer fluid cylinder that is used in mobilizable furniture, need not to take too many space and can have good buffering effect.
The purpose that the utility model is realized realizes by the following technical solutions:
A kind of buffer fluid cylinder that is used in mobilizable furniture comprises:
The cylinder body, have two cylinder grooves, respectively for two cylinder axles that are equiped with piston in two cylinder grooves with the front and back rightabout toward polyslip, described two cylinder grooves respectively have openend that is positioned at the front side and the openend that is positioned at rear side, and inject fluid respectively in two cylinder grooves;
Two cylinder axles are respectively equipped with piston and valve piece, form spacing between described piston and the valve piece, and the diameter of described piston and valve piece is all less than the internal diameter of two cylinder grooves of described cylinder body;
Two side covers are linked to the front openings end of a cylinder groove of described cylinder body and the rear openings end of another cylinder groove respectively;
Two cylinder caps are linked to the rear openings end of a cylinder groove of described cylinder body and the rear openings end of another cylinder groove respectively, and described two cylinder caps respectively have and can supply two axis holes that the cylinder axle passes.
The fluid resistance that the utility model utilizes its forward and backward two-way cylinder axle withdrawal cylinder body to produce in the cylinder groove has good buffering effect, take up space little and cushion stroke longer, applied widely.
Description of drawings
Fig. 1 is the plane of the buffer fluid cylinder of first embodiment of the present utility model.
Fig. 2 is the section amplification figure of the buffer fluid cylinder of first embodiment of the present utility model.
Fig. 3 is the section amplification figure of another angle part when piston and valve piece form spacing among first embodiment of the present utility model.
Fig. 4 is the axial outer slippage of the forward and backward two-way cylinder plane afterwards of the buffer fluid cylinder of first embodiment of the present utility model.
Fig. 5 is the axial outer slippage section amplification figure the during front end of piston abuts valve piece afterwards and wherein of forward and backward two-way cylinder of the buffer fluid cylinder of first embodiment of the present utility model.
The section amplification figure of another angle part when Fig. 6 is the front end of piston abuts valve piece among first embodiment of the present utility model.
Fig. 7 is the stereo amplification figure of piston in the buffer fluid cylinder of the utility model first embodiment.
Fig. 8 is the part compound section enlarged drawing again of the utility model first embodiment.
Fig. 9 be the utility model first embodiment the buffer fluid cylinder two cylinders axially after the outer slippage with the cylinder of existing buffer fluid cylinder axially outer slippage stroke ratio afterwards than reference diagram.
Compound section enlarged drawing when Figure 10 pulls out slippage for two cylinders of the buffer fluid cylinder of second embodiment of the present utility model are axially outer.
Figure 11 is the axially interior compound section enlarged drawing of withdrawing of two cylinders of the buffer fluid cylinder of the utility model second embodiment.
Figure 12 is the compound section enlarged drawing of the utility model the 3rd embodiment.
The specific embodiment
Further elaborate the utility model below in conjunction with accompanying drawing.
To shown in Figure 8, the buffer fluid cylinder 1 that is used in mobilizable furniture of the present utility model comprises as Fig. 1:
Two side covers 12 seal the openend 1111 of cylinder groove 111 front sides that are linked to cylinder body 11 and the openend 1112 of another cylinder groove 111 rear sides respectively;
Two cylinder caps 13, seal the rear openings end 1112 of a cylinder groove 111 that is linked to cylinder body 11 and the openend 1111 of another cylinder groove 111 front sides respectively, each cylinder cap 13 also has the axis hole 131 that can supply forward and backward two- way cylinder axle 14,15 to pass, these two cylinder caps 13 also link with ultrasonic or alternate manner and 111 sealings of aforesaid two cylinder grooves, and these two cylinder caps 13 can be respectively being made one injection molding when producing with side cover 12;
Two cylinder axles 14,15, each within it side have than small axle diameter position 142,152 for a urgent valve piece 6 and the mobilizable piston 5 that is pivoted respectively fixed respectively, make each valve piece 6 be positioned at the rear side and the mutual spacing that forms of piston 5, this is than small axle diameter position 142,152 and have and be positioned at its inboard positioning ditch 1421,1521, can be for being embedded a block piece 4 respectively, and the set piston 5 of adjacent two cylinder axles of this block piece 4 14,15;
Two pistons, respectively has pivot groove 50, be hubbed at the inboard of two cylinder axles 14,15 respectively, its external diameter is slightly less than the internal diameter of each cylinder groove 111 of cylinder body 11, each piston 5 is provided with several axially extending bores 51 (Fig. 7) and protrudes in several guide blocks 52 of end face thereafter, its each guide block 52 imports the guide groove 61 of valve piece 6 respectively, make each piston 5 can before and after straight-line displacement, and each piston 5 at least further is provided with a slotted eye 54 (Fig. 2) and approaches flexure strip 55 to form one at least, and this flexure strip 55 has the little teat 551 of the outer face that protrudes in piston 5;
Two valve pieces 6, respectively has pivot groove 60, be hubbed at two cylinder axles 14,15 respectively and be movable state, and be positioned at a side of piston 5 just, its external diameter is less than the internal diameter of the cylinder groove 111 of cylinder body 11, and and cylinder groove 111 between form bigger gap, this each valve piece 6 is provided with several guide grooves 61, each guide groove 61 can import for the guide block 52 of piston 5, and each valve piece 6 is provided with several axially extending bores 62 in addition in addition, and each axially extending bore 62 is relative with the wherein section axial through hole 51 of several axially extending bores 51 of piston 5;
Form the buffer fluid cylinder 1 that is used in mobilizable furniture by above-mentioned member, extremely shown in Figure 6 as Fig. 1, when front and back cylinder axle 14,15 stretch out cylinder groove 111 respectively and outwards during slippage, the piston 5 that bears the resistance of fluid can the slippage forward by means of the guiding of its each guide block 52, make the inner of each piston 5 can be respectively by preceding, two cylinder axles 14 that the back is two-way, 4 backstops of 15 set block pieces, the outboard end of each piston 5 is then by the little teat 551 of its thin flexure strip 55, can keep and valve piece 6 between spacing, and then make the fluids in the two cylinder grooves 111 can be by each axially extending bore 62 of valve piece 6 or the gap between valve piece 6 and the cylinder groove 111, via the gap that forms between this valve piece 6 and the piston 5, each axially extending bore 51 by piston 5 inwardly flows, thereby before making, the cylinder axle 14 that the back is two-way, 15 and the piston 5 that sets, valve piece 6 can be less resistance, the outside slippage of fast speeds; And when the cylinder axle 14 of front side and rear side both direction, in the time of in each cylinder groove 111 of 15 withdrawals, two pistons 5 bear the resistance of fluid and make the piston 5 can be against the inner of valve piece 6, and the little teat 551 that can make each thin flexure strip 55 of piston 5 simultaneously can be squeezed into (Fig. 5 in the slotted eye 54, Fig. 6), before making relatively, two cylinder axles 14 that the back is two-way, 15 respectively together with piston 5, valve piece 6 bears bigger resistance, thereby with the slowly inwardly slippage of slower speed, play the effect of buffering, and when two cylinder axles 14, after in the 15 withdrawal cylinder grooves 111, the resistance that each piston 5 bears is during less than the elastic restoring force amount of aforementioned thin flexure strip 55, thin flexure strip 55 can restore to the original state (referring to Fig. 2, Fig. 3), make its little teat 551 protrude in the rear end face of piston 5, and then make between piston 5 and the valve piece 6 and form spacing, before making, back cylinder axle 14,15 together with its set piston 5, during the outside slippage of valve piece 6, can determine can the outside slippage of less resistance, before relatively also making, the cylinder axle 14 that the back is two-way, 15 can stretch out each cylinder axle 111 with fast speeds.
In addition, as shown in Figure 8, aforementioned cylinder cap 13 also has a cannelure 132 that communicates with its axis hole 131, utilizes each cannelure 132 that a sealing ring 130 can be set, and each sealing ring 130 has axis hole 1301, can be worn by two cylinder axles 14,15.
The inner of each cannelure 132 of aforementioned two cylinder caps 13 extends to form an interior cannelure 133 that diameter is bigger, for being embedded a sealing ring stator 134, each sealing ring stator 134 is a rigid plastics glue material, and its inner can further be provided with curved arc location division 1341, can for further extend with the inner of each cylinder cap 13, than the nested location of cannelure 137 (Fig. 8) of minor diameter, each sealing ring stator 134 also has an axis hole 1342 and can be worn by two cylinder axles 14,15 in addition.
In addition, the outside left of each cylinder groove 111 of aforementioned cylinder body 11 can further be provided with a pad 135, make the outer end 1352 of each pad 135 approach the inner face 136 of cylinder cap 13, each pad 135 also has a slotted eye 1351 can be by two cylinder axles 14,15 pass, and each pad 135 can adopt foam, flexible material such as rubber, therefore, when two cylinder axles 14,15 stretch out cylinder groove 111 can be with less resistance, the outside slippage of fast speeds, until two cylinder axles 14, when the 15 valve pieces 6 that linked slide onto the outside left of cylinder groove 111, can inwardly compress pad 135 by valve piece 6, thereby further reach good incabloc function and the advantage that reduces noise.
Moreover the fluid that the cylinder body 11 of the buffer fluid cylinder 1 of aforementioned twin axle injects can be liquid or gas.
In addition, two side covers 12 in the previous embodiment also can omit, change into and be integrally formed in cylinder body 11, and make two cylinder groove 111 one of them only have openend 1111 in the front side, and another cylinder groove 111 only has openend 1112 at its rear side.
As shown in Figure 9, for after two cylinder axles, 14, the 15 outside slippages of buffer fluid cylinder 1 of the present utility model with the cylinder of existing buffer fluid cylinder 8 axially outer slippage stroke ratio afterwards find out that by knowing among the figure the shown buffer fluid cylinder of the utility model has increased by one section cushion stroke 10 than reference diagram.
In addition, extremely shown in Figure 11 as Figure 10, be second embodiment of the present utility model, its main contents are identical with previous embodiment, has the effect (Figure 11) that can increase cushion stroke simultaneously, its difference slightly be cylinder body 11 before, back both sides respectively are provided with the preceding through hole 114 and back through hole 115 that can be communicated with two cylinder groove 111, therefore before, the cylinder axle 14 that the back is two-way, 15 outwards pull out slippage or when inwardly withdrawing, can pass through by two set pistons 5 of cylinder axle and valve piece 6, fluid in two cylinder grooves 111 is squeezed into its cylinder groove 111 (Figure 10 alternately, resistance when the direction shown in the arrow of Figure 11) forming slippage is not given unnecessary details in addition because its associated components is identical with first embodiment.
In addition, as shown in figure 12, be the 3rd embodiment of the present utility model, its main difference is that two cylinder axles 14,15 change at two cylinder grooves 111 of cylinder body 11 with identical direction toward polyslip, though can not increase cushion stroke, but can increase buffering effect, not give unnecessary details in addition because other element structure is identical with previous embodiment.
In sum, the utility model can be concluded and be had following enhancement effect:
1, two cylinder grooves 111 of the cylinder body 11 of the buffer fluid cylinder 1 by twin axle being used in mobilizable furniture Two cylinder axles 14,15 two-way slippages are provided, relatively reach the cushion stroke that can provide in limited space long and The purpose of better buffering effect.
2, owing to do not need to take too many space, relatively applicable to various mobilizable furniture, for example door, drawer Slide rail, the positions such as slide rail of servomechanism, thereby its scope of application is enlarged.
Claims (10)
1, a kind of buffer fluid cylinder that is used in mobilizable furniture is characterized in that comprising:
The cylinder body, have two cylinder grooves, respectively for two cylinder axles that are equiped with piston in two cylinder grooves with the front and back rightabout toward polyslip, described two cylinder grooves respectively have openend that is positioned at the front side and the openend that is positioned at rear side, and inject fluid respectively in two cylinder grooves;
Two cylinder axles are respectively equipped with piston and valve piece, form spacing between described piston and the valve piece, and the diameter of described piston and valve piece is all less than the internal diameter of two cylinder grooves of described cylinder body;
Two side covers are linked to the front openings end of a cylinder groove of described cylinder body and the rear openings end of another cylinder groove respectively;
Two cylinder caps are linked to the rear openings end of a cylinder groove of described cylinder body and the rear openings end of another cylinder groove respectively, and described two cylinder caps respectively have and can supply two axis holes that the cylinder axle passes.
2, buffer fluid cylinder according to claim 1, it is characterized in that: described two cylinder axles are respectively equipped with block piece, and two cylinder axles the piston that is provided with respectively respectively be provided with several axially extending bores and several guide blocks, valve piece set on described two cylinder axles then respectively has several guide grooves.
3, buffer fluid cylinder according to claim 1, it is characterized in that: described two cylinder axles the piston that is provided with respectively also be respectively equipped with a slotted eye and form a thin flexure strip at least, this thin flexure strip also has the little teat of the outer face that protrudes in described piston.
4, buffer fluid cylinder according to claim 1 is characterized in that: described two cylinder axles the valve piece that is provided with respectively also respectively be provided with several axially extending bores.
5, a kind of buffer fluid cylinder that is used in mobilizable furniture is characterized in that comprising:
The cylinder body has two cylinder grooves, respectively for two cylinder axles that are equiped with piston in two cylinder grooves with the front and back rightabout toward polyslip, one of them cylinder groove of described cylinder body is provided with openend in the front side, another cylinder groove then is provided with openend at rear side;
Two cylinder axles are respectively equipped with piston and valve piece, and the external diameter of described piston is less than the internal diameter of the cylinder groove of described cylinder body;
Two cylinder caps are linked to the front openings end of a cylinder groove of described cylinder body and the rear openings end of another cylinder groove respectively;
6, buffer fluid cylinder according to claim 5 is characterized in that: inject fluid in the cylinder groove of described cylinder body.
7, buffer fluid cylinder according to claim 5 is characterized in that: described two cylinder caps respectively have can supply two axis holes that the cylinder axle passes.
8, a kind of buffer fluid cylinder that is used in mobilizable furniture, comprise cylinder body, cylinder axle, piston, wherein said cylinder body has the cylinder groove, inject fluid in the described cylinder groove, described cylinder axle be provided with can be in the cylinder groove of cylinder body toward the piston of polyslip, and described cylinder shaft extension is for a side of described cylinder groove; It is characterized in that:
Described cylinder body has two cylinder grooves, and the described cylinder axle that is provided with piston can be with the past polyslip of front and back rightabout in two cylinder grooves.
9, a kind of buffer fluid cylinder that is used for mobilizable furniture, comprise cylinder body, cylinder axle, piston, wherein said cylinder body has the cylinder groove, inject fluid in the described cylinder groove, described cylinder axle is provided with piston, toward polyslip, described cylinder shaft extension is for a side of described cylinder groove in the cylinder groove of cylinder body for described piston; It is characterized in that:
Described cylinder body has two cylinder grooves, the described cylinder axle that is provided with piston can be in two cylinder grooves with the front and back rightabout toward polyslip, and wherein the both sides, front and back of cylinder body respectively are provided with the preceding through hole and back through hole that is communicated with described two cylinder grooves.
10, a kind of buffer fluid cylinder that is used in mobilizable furniture, comprise cylinder body, cylinder axle, piston, wherein said cylinder body has the cylinder groove, inject fluid in the described cylinder groove, described cylinder axle is provided with piston, toward polyslip, described cylinder shaft extension is for a side of described cylinder groove in the cylinder groove of cylinder body for described piston; It is characterized in that:
Described cylinder body has two cylinder grooves, and the described cylinder axle that is provided with piston can be with the past polyslip of front and back equidirectional in two cylinder grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200032746U CN201150371Y (en) | 2008-01-25 | 2008-01-25 | Buffer fluid jar for movable furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200032746U CN201150371Y (en) | 2008-01-25 | 2008-01-25 | Buffer fluid jar for movable furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201150371Y true CN201150371Y (en) | 2008-11-19 |
Family
ID=40126060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200032746U Expired - Lifetime CN201150371Y (en) | 2008-01-25 | 2008-01-25 | Buffer fluid jar for movable furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201150371Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534092A (en) * | 2016-01-21 | 2016-05-04 | 泛亚电子工业(无锡)有限公司 | Sliding rail self-locking damping mechanism for drawer |
-
2008
- 2008-01-25 CN CNU2008200032746U patent/CN201150371Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105534092A (en) * | 2016-01-21 | 2016-05-04 | 泛亚电子工业(无锡)有限公司 | Sliding rail self-locking damping mechanism for drawer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |