CN104806104A - Damping buffer device - Google Patents
Damping buffer device Download PDFInfo
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- CN104806104A CN104806104A CN201510205302.7A CN201510205302A CN104806104A CN 104806104 A CN104806104 A CN 104806104A CN 201510205302 A CN201510205302 A CN 201510205302A CN 104806104 A CN104806104 A CN 104806104A
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- pipe body
- pull bar
- damping buffer
- buffer unit
- damping
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Abstract
The invention relates to a damping buffer device, which comprises a pipe body, an end cover, a pull rod, a piston group and a spacer, wherein one end of the pipe body is an open end; one end, which is far away from the open end, of the pipe body is the bottom part of the pipe body; the end cover is arranged at the open end of the pipe body; the end cover and the pipe body are hermetically fixed; the spacer is arranged in the open end the pipe body; damping liquid is arranged between the bottom part of the pipe body and the spacer; after penetrating through the end cover and the spacer, one end of the pull rod extends into the pipe body; one end, which is located in the pipe body, of the pull rod is provided with the piston group; at least one flow channel arranged along the axial direction of the pipe body is formed in the inner wall of the pipe body; the at least one flow channel is gradually reduced and then gradually increased in cross sectional area from one end to other end. According to the damping buffer device disclosed by the invention, buffer resistance can be effectively regulated in a closing process of sliding members of furniture, so the smoothness of the sliding members in the closing process can be ensured; the damping buffer device can also exert buffer action.
Description
Technical field
The present invention relates to furniture part technical field, particularly relate to a kind of damping buffer unit.
Background technology
Along with the raising of people's living standard, more and more higher to the requirement of furniture, people, except having pursuance to the attractive in appearance of furniture and practicality, still have requirement to the design of furniture hommization and durability.In the prior art, the slide unit of furniture as sliding door when closing or slide unit such as easily mutually collided with main body when drawer closes, not only collision can send noise, and easily damage mutually.Therefore, manufacturer does human oriented design on furniture---and the resistance buffer of collision impact is alleviated in installing, make sliding door or drawer can carry out slow action when being closed to the last stage, prevent sliding door or drawer from clashing on cabinet, thus do not affect the application life of furniture and reduce ambient noise.
Existing resistance buffer mostly is damping fluid resistance buffer, in its use procedure, when sliding door or drawer are closed to the last stage and fasten with snubber, an opposition given by the damping fluid of resistance buffer inside, thus speed when can slow down sliding door or drawer closedown, make its slow action until sliding door or drawer are closed.But, still there is following shortcoming in existing resistance buffer: because the reaction force of existing resistance buffer is constant, if the resistance of resistance buffer is excessive, close when sliding door or drawer and contact with resistance buffer the phenomenon (particularly sliding door there will be the phenomenon that door is jumped in resilience) that there will be resilience at the beginning, then greatly reduce the practicality of furniture; If the resistance of resistance buffer is too small, when sliding door or drawer is overweight or sliding door or drawer are closed time speed cross block when causing impact force excessive, the damping fluid of resistance buffer inside can not provide a larger opposite direction active force, then greatly reduce the buffering effect of device, can not prevent sliding door or drawer from clashing on cabinet.
Summary of the invention
Technical problem to be solved by this invention is to provide in a kind of structure simple furniture glide parts closing process can carry out for the characteristic of resistance needed for closing process different phase the damping buffer unit regulated.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of damping buffer unit, comprise the body that one end is provided with openend, end cap, pull bar, piston component and partition, described body is the bottom of body away from one end of described openend, described end cap is located at the described openend of described body, described end cap and described body seal fixing, described partition is located at described body and is provided with in one end of openend, damping fluid is provided with between the bottom of described body and described partition, one end of described pull bar is through stretching in described body after described end cap and described partition, the end, one end that described pull bar is positioned at described body is provided with described piston component, the inwall of described body is provided with at least one flowing groove arranged along the axial direction of described body, described flowing groove passes through, increase gradually again after cross-sectional area reduces gradually.
The invention has the beneficial effects as follows: the present invention effectively can regulate cushioned resistance in furniture slide unit closing process, thus realize playing cushioning effect when closing the furniture glide parts of Different Weight or load-carrying and avoiding resilience to jump the phenomenon of door, and then the smooth and easy of slide unit closing process can be realized, can impact noise be reduced again, increase the application life of furniture; Gradually Deformation Flow groove effectively regulates the mode of cushioned resistance by slowly changing damping fluid discharge capacity, can ensure smooth and easy in closing process of slide unit, also can play cushioning effect.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the length of described flowing groove is that the bottom of described body is to the distance between described partition.
Adopt the beneficial effect of above-mentioned further scheme to be: the moving range of piston is to partition bottom body volume, between the bottom length of flowing groove being set to body to partition, piston all can be subject to damping effect in the movement of tubular body can be realized.
Further, the minimum place of cross-sectional area of described flowing groove is to the distance h=1/3H of the bottom of described body, and wherein, H is the length that flowing groove is offered.
Adopt the beneficial effect of above-mentioned further scheme to be: the minimum place of cross-sectional area of flowing groove to body bottom between distance can set according to parameters such as the positions of the weight of user demand, slide unit and the installation of resistance buffer.
Further, be provided with noise reduction circle between described partition and described catch, described pull bar is through described noise reduction circle.
The beneficial effect of above-mentioned further scheme is adopted to be: arranging of noise reduction circle plays sound-absorbing effect on the one hand; Utilize noise reduction circle pressed volume to reduce the feature increased with pressure release volume on the other hand, be conducive to the pressure change of balancing pull rod turnover caused by body.
Further, described noise reduction circle is sponge ring.
Adopt the beneficial effect of above-mentioned further scheme to be: the sound-absorbing effect of sponge ring is good, and pressed volume reduce increase with pressure release volume effective.
Further, be provided with catch between described noise reduction circle and described end cap, described pull bar is through described catch.
The beneficial effect of above-mentioned further scheme is adopted to be: the setting of catch offsets the effect that voice coil loudspeaker voice coil plays uniform barrier.
Further, be provided with Y shape circle between described catch and described end cap, described pull bar is through described Y shape circle.
Adopt the beneficial effect of above-mentioned further scheme to be: Y shape circle the sealing effectiveness that can improve between catch and end cap is set.
Further, O shape circle is provided with between the inwall of described end cap and described body.
The beneficial effect of above-mentioned further scheme is adopted to be: the setting of O shape circle improves the sealing effectiveness of the inwall of end cap and body.
Further, described piston component comprises the terminal of piston and tubular, and one end end winding support that described piston and described pull bar are positioned at described body is connected, and described terminal sleeve is on described piston, between described piston and the inwall of described body.
Adopt the beneficial effect of above-mentioned further scheme to be: the terminal sleeve of tubular, on piston, can reduce the wearing and tearing of piston, improve the application life of piston.
Further, one end that described pull bar is positioned at outside described body is provided with hook.
The beneficial effect of above-mentioned further scheme is adopted to be: what the arranging of hook can facilitate pull bar hangs installation.
Further, described piston comprises annular end, and is arranged on the top on annular end, and the end face of described annular end is for being apertured end face.
Adopt the beneficial effect of above-mentioned further scheme to be: to avoid apertured on piston, reduce the difficulty of processing, effectively can avoid the phenomenon that the impact due to damping fluid causes resistance buffer greatly to reduce application life to the wearing and tearing that piston causes.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present invention;
Fig. 2 is explosive view of the present invention;
Fig. 3 is the schematic cross-section in A-A direction in Fig. 1;
Fig. 4 is the schematic cross-section of body of the present invention;
Fig. 5 is the schematic cross-section in the B-B direction of Fig. 4;
Fig. 6 is the schematic cross-section in the D-D direction of Fig. 4;
Fig. 7 is the schematic cross-section in the E-E direction of Fig. 4;
Fig. 8 is the structural representation of piston in the present invention;
In accompanying drawing, the list of parts representated by each label is as follows:
1, body, 2, pull bar, 3, partition, 4, end cap, 5, hook, 6, flowing groove, 7, piston, 8, terminal, 9, catch, 10, noise reduction circle, 11, Y shape circle, 12, O shape circle, 13, damping fluid, 14, annular end, 15, top, 16, end face.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As Fig. 1, Fig. 2, shown in Fig. 3, the present invention includes the body 1 that one end is provided with openend, end cap 4, pull bar 2, piston component and partition 3, described body 1 is the bottom of body 1 away from one end of described openend, described end cap 4 is located at the described openend of described body 1, described end cap 4 and described body 1 seal fixing, described partition 3 is located at described body 1 and is provided with in one end of openend, damping fluid is provided with between the bottom of described body 1 and described partition 3, one end of described pull bar 2 is through stretching in described body 1 after described end cap 4 and described partition 3, the end, one end that described pull bar 2 is positioned at described body 1 is provided with described piston component, the inwall of described body 1 is provided with at least one flowing groove 6 arranged along the axial direction of described body 1, described flowing groove 6 passes through, (from Fig. 4 section B-B---D-D place---E-E place) is increased gradually again after cross-sectional area reduces gradually, as Fig. 5, Fig. 6, shown in Fig. 7.
The length of described flowing groove 6 is that the bottom of described body 1 is to the distance between described partition 3.The minimum place of cross-sectional area of described flowing groove 6 is to the distance h=1/3H of the bottom of described body 1, and wherein, H is the length that flowing groove 6 is offered.Be provided with noise reduction circle 10 between described partition 3 and described end cap 4, described pull bar 2 is through described noise reduction circle 10.Described noise reduction circle 10 is foam-rubber cushion.Be provided with catch 9 between described noise reduction circle 10 and described end cap 4, described pull bar 2 is through described catch 9.Be provided with Y shape circle 11 between described catch 9 and described end cap 4, described pull bar 2 is through described Y shape circle 11.O shape circle is provided with between described end cap 4 and the inwall of described body 1.Described piston component comprises the terminal 8 of piston 7 and tubular, and one end end winding support that described piston 7 is positioned at described body 1 with described pull bar 2 is connected, and described terminal 8 is enclosed within described piston 7, between described piston 7 and the inwall of described body 1.One end that described pull bar 2 is positioned at outside described body 1 is provided with hook 5.
Offer a gradually Deformation Flow groove 6 at inside pipe wall, the damping fluid 13 that not only can realize body 1 inside when slide unit is closed can flow along flowing groove 6 and produce buffer damping, thus plays cushioning effect, and be not constant by the buffer damping that gradually Deformation Flow groove 6 produces, in the process that slide unit is closed, pull bar 2 drives piston component constantly to push to body 1 inside, according to the degree that slide unit is closed, the discharge rate that damping fluid 13 passes through gradually Deformation Flow groove 6 can slowly change, thus realize the buffer damping of this device to slide unit and effectively regulate, improve the damping capacity of damping buffer unit, and when avoiding the firm contact damping buffer of slide unit, produce the phenomenon of resilience (particularly door is jumped in sliding door resilience), and then the smooth and easy of slide unit closing process can be realized, impact noise can be reduced again, increase the application life of furniture.Because the damping fluid 13 in body 1 of the present invention is discharged by flowing groove 6, therefore compared with prior art, piston 7 surface of the present invention does not need the through hole arranging damping fluid 13 circulation, its surface is complete surface, the difficulty of processing of piston component can be reduced like this, and the phenomenon effectively avoiding the impact due to damping fluid 13 to cause damping buffer unit greatly to reduce application life to the wearing and tearing that piston 7 causes, extend the application life of damping buffer unit further.
Body 1 inside is divided into by piston component of the present invention has pull bar cavity and without pull bar cavity, when the firm contact damping buffer of slide unit, because flowing groove 6 size is larger, then damping fluid 13 is larger along the discharge rate having pull bar cavity direction to discharge, the buffer damping that damping buffer unit is produced is little, thus avoids slide unit resilience (particularly door is jumped in sliding door resilience) phenomenon to produce; When the groove 6 that flows narrows gradually, because flowing groove 6 size slowly diminishes, the buffer damping that then damping buffer unit produces slowly reduces along the discharge rate having pull bar cavity direction to discharge along with damping fluid 13 and increases gradually, thus plays the effect of buffering to slide unit.When the groove 6 that flows expands gradually, damping fluid 13 slowly increases along the discharge rate having pull bar cavity direction to discharge, then the buffer damping that damping buffer unit produces reduces gradually, realizes the smooth closedown of slide unit.The present invention effectively regulates the mode of buffer damping by slowly changing damping fluid 13 discharge capacity, can ensure smooth and easy in closing process of slide unit, also can play cushioning effect.
As shown in Figure 8, described piston 7 is connected to form by annular end 14 and top 15, and the end face 16 of annular end 14 is the end face 16 of complete non-apertured.In existing buffer, meeting through boring on the end face 16 of piston 7 annular end 14 usually, for flowing, the discharge of the internally-damped liquid 13 of body 1.Because the damping fluid 13 in body 1 is discharged by flowing groove 6, therefore compared with prior art, the end face 16 of piston 7 annular end 14 does not need the through hole arranging damping fluid 13 circulation, the end face 16 of annular end 14 is the end face 16 of complete non-apertured, the difficulty of processing of piston component can be reduced like this, keep the integrality of piston 7 thus impact can not be had on the service behaviour of piston 7, and the phenomenon effectively avoiding the impact due to damping fluid 13 to cause damping buffer unit greatly to reduce application life to the wearing and tearing that piston 7 causes, also the complicated procedures of forming of the piston 7 frequently changed in damping buffer unit is avoided, the application life of further prolongation damping buffer unit.
The setting of sponge ring, can utilize sponge pressed volume to reduce the feature increased with pressure release volume, is conducive to balancing pull rod 2 and passes in and out pressure change caused by body 1, also can improve the sound-absorbing effect of this device simultaneously, decrease the noise of collision.In the course of the work, also can utilize sponge ring pressed volume reduce with pressure release volume increase feature come balancing pull rod 2 pass in and out caused by body 1 pressure change.When pull bar 2 enters body 1, while in body 1, solid volume increases, damping fluid 13 volume is compressed, and causes hydraulic pressure to increase, and now, sponge ring pressed volume reduces, then can offset the increase of hydraulic pressure; When pull bar 2 exits body 1, while in body 1, solid volume reduces, damping fluid 13 volume increases, and causes hydraulic pressure to reduce, and sponge ring pressure release volume restores to the original state to balance the pressure in body 1.
Compared with prior art, tool of the present invention has the following advantages and beneficial effect:
1, effectively cushioned resistance can be regulated in furniture slide unit closing process, thus realize playing cushioning effect when closing the furniture glide parts of Different Weight or load-carrying and avoiding resilience to jump the phenomenon of door, and then the smooth and easy of slide unit closing process can be realized, can impact noise be reduced again, increase the application life of furniture.
2, gradually Deformation Flow groove 6 effectively regulates the mode of cushioned resistance by slowly changing damping fluid 13 discharge capacity, can ensure smooth and easy in closing process of slide unit, also can play cushioning effect.
3, simple, the good seal performance of structure of the present invention and long service life, be conducive to its widely using and promoting at furniture industry.
4, in the present invention, the structure difficulty of processing of piston component is low, and can reduce because damping fluid 13 impacts the wearing and tearing produced, and extends the application life of resistance buffer further.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a damping buffer unit, it is characterized in that, comprise the body (1) that one end is provided with openend, end cap (4), pull bar (2), piston component and partition (3), described body (1) is the bottom of body (1) away from one end of described openend, described end cap (4) is located at the described openend of described body (1), described end cap (4) and described body (1) seal fixing, described partition (3) is located at described body (1) and is provided with in one end of openend, damping fluid is provided with between the bottom of described body (1) and described partition (3), one end of described pull bar (2) is through stretching in described body (1) after described end cap (4) and described partition (3), the end, one end that described pull bar (2) is positioned at described body (1) is provided with described piston component, the inwall of described body (1) is provided with at least one flowing groove (6) arranged along the axial direction of described body (1), described flowing groove (6) passes through, increase gradually again after cross-sectional area reduces gradually.
2. a kind of damping buffer unit according to claim 1, is characterized in that, the length of described flowing groove (6) is that the bottom of described body (1) is to the distance between described partition (3).
3. a kind of damping buffer unit according to claim 2, it is characterized in that, the minimum place of cross-sectional area of described flowing groove (6) is to the distance h=1/3H of the bottom of described body (1), and wherein, H is the length of flowing groove (6).
4. a kind of damping buffer unit according to any one of claims 1 to 3, it is characterized in that, be provided with noise reduction circle (10) between described partition (3) and described end cap (4), described pull bar (2) is through described noise reduction circle (10).
5. a kind of damping buffer unit according to claim 4, is characterized in that, described noise reduction circle (10) is sponge ring.
6. a kind of damping buffer unit according to claim 4, it is characterized in that, be provided with catch (9) between described noise reduction circle (10) and described end cap (4), described pull bar (2) is through described catch (9).
7. a kind of damping buffer unit according to claim 6, it is characterized in that, be provided with Y shape circle (11) between described catch (9) and described end cap (4), described pull bar (2) is through described Y shape circle (11).
8. a kind of damping buffer unit according to any one of claims 1 to 3, is characterized in that, is provided with O shape circle (12) between the inwall of described end cap (4) and described body (1).
9. a kind of damping buffer unit according to any one of claims 1 to 3, it is characterized in that, described piston component comprises the terminal (8) of piston (7) and tubular, one end end winding support that described piston (7) is positioned at described body (1) with described pull bar (2) is connected, and described terminal (8) is enclosed within described piston (7), is positioned between the inwall of described piston (7) and described body (1).
10. a kind of damping buffer unit according to any one of claims 1 to 3, is characterized in that, described pull bar (2) is positioned at described body (1) one end outward and is provided with hook (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205302.7A CN104806104B (en) | 2015-04-27 | 2015-04-27 | A kind of damping buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510205302.7A CN104806104B (en) | 2015-04-27 | 2015-04-27 | A kind of damping buffer unit |
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| Publication Number | Publication Date |
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| CN104806104A true CN104806104A (en) | 2015-07-29 |
| CN104806104B CN104806104B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510205302.7A Active CN104806104B (en) | 2015-04-27 | 2015-04-27 | A kind of damping buffer unit |
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| CN (1) | CN104806104B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114145598A (en) * | 2021-11-17 | 2022-03-08 | 徐州恒远高新技术有限公司 | Self-control element protection type movable display device and using method thereof |
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| CN202636176U (en) * | 2012-05-08 | 2013-01-02 | 广东泰明金属制品有限公司 | Buffer device of furniture |
| CN202831960U (en) * | 2012-06-18 | 2013-03-27 | 沈秋庆 | Damping buffer |
| CN204099476U (en) * | 2014-09-17 | 2015-01-14 | 苏州升德精密电气有限公司 | Fender pile constructs |
| CN204571636U (en) * | 2015-04-27 | 2015-08-19 | 陆智华 | A kind of damping buffer unit |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390515A (en) * | 2001-05-17 | 2003-01-15 | 尤利乌斯·布卢姆有限公司 | Furniture buffers |
| DE20307522U1 (en) * | 2003-05-14 | 2004-09-16 | Alfit Ag | Device for damping and braking movement of cupboard doors etc has piston cylinder unit with a smaller diameter servo piston longitudinally displaceable in pressure chamber |
| CN2727345Y (en) * | 2004-08-27 | 2005-09-21 | 绍源育股份有限公司 | Hydraulic damper |
| CN2846663Y (en) * | 2005-12-20 | 2006-12-13 | 伍志勇 | Furniture damper |
| KR100760518B1 (en) * | 2006-07-18 | 2007-09-20 | 삼성정밀공업 주식회사 | Device for buffering for the noise removal of closing the furniture door |
| CN201416335Y (en) * | 2009-05-12 | 2010-03-03 | 李浩典 | Drawer guide-rail damper |
| DE102010030914A1 (en) * | 2010-07-05 | 2012-01-05 | Geze Gmbh | Drive for use in closure in leaf of door or window, has pin arranged at periphery of spring plate and displaced into receiving bore for intervention into groove of housing, and spring plate adjusted along setting spindle |
| CN202636176U (en) * | 2012-05-08 | 2013-01-02 | 广东泰明金属制品有限公司 | Buffer device of furniture |
| CN202831960U (en) * | 2012-06-18 | 2013-03-27 | 沈秋庆 | Damping buffer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114145598A (en) * | 2021-11-17 | 2022-03-08 | 徐州恒远高新技术有限公司 | Self-control element protection type movable display device and using method thereof |
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| CN104806104B (en) | 2017-03-01 |
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Effective date of registration: 20230414 Address after: 528244 No. 37, Dachong South Industrial Zone, Lishui Town, Nanhai District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Yude Plastic Products Co.,Ltd. Address before: 52 Yanbu Huaxia Xiyuan, Dali Town, Nanhai District, Foshan City, Guangdong Province, 528247 Patentee before: Lu Zhihua |
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