CN201073112Y - Automatic closing buffering device of steel ball sliding rail - Google Patents
Automatic closing buffering device of steel ball sliding rail Download PDFInfo
- Publication number
- CN201073112Y CN201073112Y CNU2007201505526U CN200720150552U CN201073112Y CN 201073112 Y CN201073112 Y CN 201073112Y CN U2007201505526 U CNU2007201505526 U CN U2007201505526U CN 200720150552 U CN200720150552 U CN 200720150552U CN 201073112 Y CN201073112 Y CN 201073112Y
- Authority
- CN
- China
- Prior art keywords
- steel ball
- buffer
- pedestal
- tooth bar
- automatic closing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an self-closing and buffer device for steel ball slide rails, mainly comprising a rack arranged in a base. The rack moves linearly, a connection end of the rack is pivoted with a buckling part, and at least one elastic component is connected with the other end of the base; the moving and positioning of a buckling boss of the buckling part are limited by a guide hole arranged in the base with a positioning recess, besides, a buffer gear component meshed with the rack is arranged on the base, and the gear component rotates fast in the forward direction while slowly in the reverse direction. The utility model has the advantages that the structure of the utility model is simplified, the cost can be reduced, and the steel ball slide rail can be buffered and closed by automatic pull even when the overall necessary length is smaller.
Description
Technical field
The utility model relates to a kind of automatic closing buffer that is applied in the steel ball slide rail, and the automatic closing buffer design of effects such as buffering and complementary pulling force is provided when closing in order to the drawer to storage cabinet etc.
Background technology
As be located at the large-scale drawer of storage cabinet etc., and can pull out in the cabinet or push back from storing up effortlessly for making this large-scale drawer, can be installed in by the steel ball slide rail in the storage cabinet in these drawer both sides usually, reduce frictional resistance thereby utilize steel ball in this steel ball slide rail to roll.
After but this large-scale drawer is placed clothing or other article, because of load capacity increases the weight of, so effortlessly drawer is pushed back storage cabinet inside for ease of the user, someone further installs one group of self closing device at this steel ball sliding rail rear end, as shown in Figure 8, this self closing device 60 mainly is to establish a slotted hole 62 with location indentations 621 on a pedestal 61, fastener 63 in this location indentations 621 be moved and be snapped in to installing one can along this slotted hole 62 in this pedestal 61, this fastener 63 connects a spring 64, these spring 64 other ends connect on the pedestal 61, reset in order to spur this fastener 63, this self closing device 60 is fixed in outer rail bar 3 rear ends of this steel ball slide rail 2 with its pedestal 61 installings, when rail bar 6 is pushed back in this connection drawer, utilize former fastener 63 snappings that are snapped in this location indentations 621 of the snapping recess 6A guiding of rail bar 6 ends in this on it, and provide pulling force by spring 64, rail bar 6 in retracting automatically.
Aforementioned self closing device is combined on the steel ball slide rail, though the user can be provided auxiliary pulling force of drawer being sent back to the storage cabinet, yet this self closing device does not have cushioning effect when backhaul, so that the user promotes the strength of drawer and adds the elastic force that self closing device provides, and produces collision when easily causing drawer to store up cabinet because of pushing back fast.
For this reason, someone further designs the automatic closing buffer with cushioning effect, as shown in Figure 9, this automatic closing buffer 70 mainly is installing one oil buffer 72 in a pedestal 71, the cylinder heart 73 ends of this oil buffer 72 are provided with a connection piece 74, these connector 74 both sides respectively connect a spring 75 and connect pedestal 71, establish again on this connector 74 and connect a fastener 76, this automatic closing buffer 70 is outer rail bar 3 rear ends of being fixed in this steel ball slide rail 2 with its pedestal 71 installings, when rail bar 6 is pushed back in this connection drawer, push against the buckle state of these fastener 76 disengagings and pedestal 71 by rail bar in this, rail bar 6 ends even draw with these fastener 76 snappings in this with making, and then utilize this two spring 75 that the elastic force that retracts is provided, and utilize oil buffer 72 that suitable buffering resistance is provided, the interior rail bar 5 of this connection drawer is folded slowly close.
Though close and cushion the effect of closing at a slow speed automatically but the automatic closing buffer of aforementioned hydraulic type can provide the drawer that stores up in the cabinet to provide in conjunction with the steel ball slide rail, produce collision to avoid drawer to be pushed back in the storage cabinet, yet, used oil buffer because of in this automatic closing buffer, this oil buffer is because of the restriction of necessary length, the entire length that makes the automatic closing buffer of this hydraulic type is greater than the known self closing device of prior art, thereby install the steel ball slide rail of the automatic closing buffer of this hydraulic type, must make wherein rail bar and in rail bar do not interfere the start of oil buffer and shorten its length, cause under the condition of rail bar outside the steel ball slide rail of same size, rail bar and interior rail bar shorten and can reduce its stretchable length in the cause, can shorten the length of rail bar overlap joint behind the sliding track stretching on the other hand, so that reduce the bearing strength of this steel ball sliding track stretching.
The utility model content
Main purpose of the present utility model is to provide a kind of automatic closing buffer of steel ball slide rail, design thus, further overcome previous hydraulic type and close group buffer unit complex structure, cost height automatically, and because of necessary length is long partially, but cause the steel ball slide rail tensile elongation that matches shortcoming such as shortening relatively.
For realizing aforementioned purpose, the automatic closing buffer of the steel ball slide rail that the utility model is designed, it comprises:
One pedestal, comprise a base plate and be located at this base plate side one end one the guiding protuberance, have a loose slot in this guiding protuberance, the side is provided with a microscler guide hole and is communicated with this loose slot, this guide hole outer end forms perverted location depression;
One tooth bar, it is installed in this pedestal movably, and place, the long limit of this tooth bar one side has an engaging tooth portion, and this tooth bar one end is that link stretches in the loose slot of this guiding protuberance, and end stretches out outside this guiding protuberance in addition;
One fastener, an end articulates the link of this tooth bar, the other end have a snapping protuberance stretch into movably this pedestal have the location depression guide hole in;
At least one elastic component is connected in this tooth bar link and this pedestal other end with respect to this guiding protuberance; And
One buffer gear cold element, its be one forward fast rotational, reverse at a slow speed the rotation member, this buffer gear cold element is located on the base plate of this pedestal, meshes the engaging tooth portion of this tooth bar.
The utility model is with the composition structure design of aforementioned automatic closing buffer, it is characterized in that: in the designed automatic closing buffer of the utility model, but the tooth bar that utilizes a straight line to move is located to have in the pedestal forward in conjunction with an assembling and is changeed soon, the buffer gear cold element of reverse slow-speed characteristic, this tooth bar connects in addition at the one end and establishes at least one elastic component connection pedestal, tooth bar is provided the elastic force that retracts, this tooth bar is had fast to be stretched, be pulled the effect of closing that folds at a slow speed, thus, make the structural design that this automatic closing buffer can its simplifying, reduce cost, and make the automatic closing buffer of the relative hydraulic type of this automatic closing buffer have the effect of shortening entire length, make the utility model can be under the less necessary length of integral body, can buffering be provided and spur the function of closing automatically the steel ball slide rail, and then make the steel ball slide rail need not shorten wherein rail bar and interior rail bar length, allow in this steel ball slide rail middle rail bar and in rail bar can keep the state of the self closing device of previous no cushioning effect at least, the length that overlaps between rail bar behind the steel ball sliding track stretching, and the bearing strength of this steel ball sliding track stretching.
Description of drawings
Fig. 1 is the perspective exploded view of a preferred embodiment of the automatic closing buffer of the utility model;
Fig. 2 is the perspective exploded view of automatic another viewing angle of closing buffer preferred embodiment shown in Figure 1;
Fig. 3 is the schematic perspective view after the automatic closing buffer preferred embodiment combination shown in Figure 1;
Fig. 4 is the schematic perspective view of automatic another watching angle of closing buffer preferred embodiment shown in Figure 1;
Fig. 5 is the generalized section of the buffer gear cold element in the automatic closing buffer preferred embodiment shown in Figure 1;
Fig. 6 is located at for automatic closing buffer preferred embodiment shown in Figure 1 and is the floor map that folds closed condition on the steel ball slide rail;
Fig. 7 is located at the floor map after rail bar stretches out on the steel ball slide rail for automatic closing buffer preferred embodiment shown in Figure 1;
Fig. 8 is present known floor map with steel ball slide rail of self closing device;
Fig. 9 is present known floor map with steel ball slide rail of the automatic closing buffer of hydraulic type.
The component symbol explanation
1 automatic closing buffer
2 steel ball slide rails
3 outer rail bars
Rail bar in 4
Rail bar in 5
5A snapping recess
6 steel ball rolling elements
10 pedestals
11 base plate
12 guiding protuberances
13 loose slots
14 openings
15 slotted holes
16 guide holes
161 location depressions
17 security bars
18 fixed sidewalls
181 winding recesses
19 pilot holes
20 tooth bars
21 engaging tooth portions
22 links
23 pivot holes
24 extensions
30 fasteners
31 articulate protuberance
32 snapping protuberances
40 elastic components
50 buffer gear cold elements
51 housings
511 accommodation spaces
512 resistance media
513 lugs
52 buffer gear colds
521 external gear portions
522 buffering impeller portions
523 base portions
524 blades
60 self closing devices
61 pedestals
62 slotted holes
621 location indentations
63 fasteners
64 springs
70 automatic closing buffer
71 pedestals
72 oil buffers
The 73 cylinder hearts
74 connectors
75 springs
76 fasteners
The specific embodiment
As shown in Figures 1 to 4, it sets forth a preferred embodiment of the automatic closing buffer of the utility model steel ball slide rail, by seeing among the figure, this automatic closing buffer 1 mainly comprises a pedestal 10, a tooth bar 20, a fastener 30, at least one elastic component 40 and a buffer gear cold element 50, in this preferred embodiment, use two elastic components 40, wherein:
The end that this pedestal 10 comprises a base plate 11 and is located at these base plate 11 1 sides is a guiding protuberance 12 of convex shape, these guiding protuberance 12 inner loose slots 13 that form, this loose slot 13 forms an opening 14 at these guiding protuberance 12 inner ends, these guiding protuberance 12 at least one sides form a slotted hole 15 and are communicated with this loose slot 13, in this preferred embodiment, it respectively forms a slotted hole 15 at these guiding protuberance 12 dual-sides, this guiding protuberance 12 is provided with a microscler guide hole 16 and is communicated with this loose slot 13, and these guide hole 16 outer ends form perverted location depression 161.
In aforesaid pedestal 10, also can guide protuberance 12 outer ends and form an arc security bar 17 at this, these security bar 17 two ends are connected on this guiding protuberance 12; This pedestal 10 has a fixed sidewall 18 with respect to the opposite side of this guiding protuberance 12, and this fixed sidewall 18 is provided with two winding recesses 181.
But these tooth bar 20 straight lines are installed in this pedestal 10 movably, place, the long limit of this tooth bar one side has an engaging tooth portion 21, these tooth bar 20 1 ends are the loose slot 13 that link 22 is arranged in guiding protuberance 12 inboards of this pedestal 10, the other end stretches out via opening, this link 22 is provided with a pivot hole 23, and at least one side protrudes out an extension 24, in this preferred embodiment, the link of this tooth bar 20. both sides respectively protrude out an extension 24, and this two extension 24 also stretches out respectively outside the slotted hole 15 of these guiding protuberance 12 both sides.
This fastener 30 comprises that one articulates a protuberance 31 and a snapping protuberance 32 and lays respectively at two ends, this fastener 30 is hubbed at this pivot joint protuberance 31 in the pivot hole 23 of this tooth bar 20, and this snapping protuberance 32 can and be snapped in this location depression 161 along these guide hole 16 slippages.
This two elastic component 40 can be spring, elastic strip or other other elastic component of elastic force can be provided, these elastic component 40 two ends connect the extension 24 of this tooth bar 20 and this pedestal 10 other end with respect to this guiding protuberance 12 respectively, in this preferred embodiment, this two elastic component 40 is selected spring for use, this two springs, one end is connected in the extension 24 of these tooth bar 20 both sides, and the other end can collude the winding recess 181 of the fixed sidewall 18 of being located at this pedestal 10.
As Fig. 1 and shown in Figure 5, this buffer gear cold element 50 is installed on the base plate 11 of this pedestal 10, this buffer gear cold element 50 comprises a hollow housing 51 and a buffer gear cold 52, these housing 51 inside have an accommodation space 511, be filled with thick resistance medium 512 in this accommodation space 511, these buffer gear cold 52 rotatable being hubbed in this housing 51, this buffer gear cold 52 comprises an external gear portion 521, and coaxial heart is arranged at a buffering impeller portion 522 of these external gear portion 521 1 sides, the external gear portion 521 of this buffer gear cold 52 is hubbed at this housing 51 outsides, and be meshed with the engaging tooth portion 21 of this tooth bar 20, this buffering impeller portion 522 comprise a base portion 523 and a plurality of monocline to blade 524 circular rows in these base portion 523 peripheries, this buffering impeller portion 522 is pivoted in the accommodation space 511 of this housing 51, soak and place resistance medium 512, utilize those monocline combining thus to blade 524 and resistance medium 512, make this buffer gear cold element 50 when forward rotating because of less fast commentaries on classics of resistance, when counter-rotating because of the characteristic of the big slow-speed of resistance.
In this preferred embodiment, this pedestal 10 also can be established a pilot hole 19 on its base plate 11, can install wherein for the housing 51 of this buffer gear cold element 50, this housing 51 also can further respectively protrude out a lug 513 with perforation in its corresponding both sides, the housing 51 of this buffer gear cold element 50 can be fixed on this pedestal 10 by the perforation that screw, rivet or other equivalent affixed elements pass this lug 513.
When automatic closing buffer 1 of the present utility model was applied to steel ball slide rail 2, described steel ball slide rail 2 mainly comprised rail bar 5 and at least one steel ball rolling element 6 in the outer rail bar 3,, and wherein steel ball rolling element 6 is located between this interior rail bar 5 and the outer rail bar 3; Perhaps, this steel ball slide rail 2 also can be outside this be set up rail bar 4 between rail bar 3 and the interior rail bar 5, in this, be provided with a steel ball rolling element 6 between rail bar 5 and the middle rail bar 4, middle rail bar 4 and outside be provided with a steel ball rolling element 6 between the rail bar 3, thereby utilize the length after this steel ball slide rail 2 of rail bar 4 prolongations stretches in this, this automatic closing buffer is installed in outer rail bar 3 one ends of steel ball slide rail 2 with this pedestal 10, in company with being fixedly arranged on the two side of storing up cabinet by outer rail bar 3, in addition with the two side of interior rail bar 5 affixed drawers etc., make this drawer pull out or to push back in the storage cabinet from storing up cabinet by the steel ball slide rail 2 that both sides have this automatic closing buffer 1.
When oneself stores up and is drawn out in the cabinet when this drawer, with steel ball slide rail 2 with middle rail bar 4 is example, interior rail bar 5 in this steel ball slide rail 2 reaches and should outwards move and be drawn out in regular turn along with drawer by middle rail bar 4, rail bar 4 rear ends in wherein supporting by outer rail bar 3, rail bar 5 and drawer in middle rail bar 4 front ends support, this automatic closing buffer 1, and when interior rail bar 5 outwards is drawn out, make the former fastener 30 that is snapped in rail bar 5 terminal snapping recess 5A in this, the buffer gear cold 52 that drives tooth bar 20 these buffer gear cold elements 50 of driving is made forward fast rotational, after the snapping protuberance 32 that interior rail bar 5 drives fastener 30 slides onto end along guide hole 16, guiding this snapping protuberance 32 by interior rail bar 5 terminal inclined-planes is snapped in the depression 161 of location, make this tooth bar 20 location, the elastic component 40 that connects tooth bar 20 side extensions 24 with season is extended state.
When this drawer is pushed back the storage cabinet, interior rail bar 5 in this steel ball slide rail 2, middle rail bar 4 moves inward and is folded in regular turn to outer rail bar 3 along with drawer, and when interior rail bar 5 is inwardly pushed and is contacted this automatic closing buffer 1, should in rail bar 5 guide these fastener 30 buckles on it by the guiding incline of its terminal snapping recess 5A, and break away from this location depression 161, this interior rail bar 5 is connected by fastener 30 betwixt with this tooth bar 20, and then utilize elastic component 40 that it is spurred towards the storage cabinet is inboard, on the other hand, by utilizing tooth bar 20 to drive these buffer gear cold element 50 counter-rotatings, and by buffer gear cold 52 monocline in this buffer gear cold element 50 to blade 524 be subjected to housing 51 internal resistance media 512 resistance and at a slow speed the rotation, provide the buffering resistance to avoid collision to this drawer that is pushed back in the storage cabinet, this drawer and this steel ball slide rail can be folded slowly automatically close.
Claims (5)
1. the automatic closing buffer of a steel ball slide rail is characterized in that, comprising:
One pedestal, comprise a base plate and be located at this base plate side one end one the guiding protuberance, have a loose slot in this guiding protuberance, the side is provided with a microscler guide hole and is communicated with this loose slot, this guide hole outer end forms perverted location depression;
One tooth bar, it is installed in this pedestal movably, and place, the long limit of this tooth bar one side has an engaging tooth portion, and this tooth bar one end is that link stretches in the loose slot of this guiding protuberance, and the other end stretches out outside this guiding protuberance;
One fastener, the one end articulates the link of this tooth bar, the other end have a snapping protuberance stretch into movably this pedestal have the location depression guide hole in;
At least one elastic component is connected in this tooth bar link and this pedestal other end with respect to this guiding protuberance; And
One buffer gear cold element, its be one forward fast rotational, reverse at a slow speed the rotation member, this buffer gear cold element is located on the base plate of this pedestal, meshes the engaging tooth portion of this tooth bar.
2. the automatic closing buffer of steel ball slide rail according to claim 1, it is characterized in that, this buffer gear cold element comprises a hollow housing and a buffer gear cold, this housing is filled with the resistance medium in the accommodation space of portion within it, this buffer gear cold comprises an external gear portion and a buffering impeller portion, and coaxial heart is arranged at this external gear portion one side, the external gear portion of this buffer gear cold is hubbed at this hull outside, mesh the engaging tooth portion of this tooth bar, this buffering impeller portion comprise a base portion and a plurality of circular row in the monocline of this base circumference to blade, this buffering impeller portion is hubbed in the accommodation space of this housing, soaks to place the resistance medium.
3. the automatic closing buffer of steel ball slide rail according to claim 1 and 2 is characterized in that, the link both sides of this tooth bar respectively protrude out an extension and stretch out this guiding protuberance both sides respectively, and this two extension respectively connects an elastic component and connects this pedestal.
4. the automatic closing buffer of steel ball slide rail according to claim 3 is characterized in that, this guiding protuberance dual-side respectively forms a slotted hole and is communicated with this loose slot, and two extensions of this tooth bar pass the slotted hole of these guiding protuberance both sides respectively.
5. the automatic closing buffer of steel ball slide rail according to claim 4 is characterized in that, this pedestal is provided with a fixed sidewall with respect to the other end of guiding protuberance, and this fixed sidewall is provided with two winding recesses, respectively can be for this two elastic components winding on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201505526U CN201073112Y (en) | 2007-06-13 | 2007-06-13 | Automatic closing buffering device of steel ball sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201505526U CN201073112Y (en) | 2007-06-13 | 2007-06-13 | Automatic closing buffering device of steel ball sliding rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201073112Y true CN201073112Y (en) | 2008-06-18 |
Family
ID=39518375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201505526U Expired - Fee Related CN201073112Y (en) | 2007-06-13 | 2007-06-13 | Automatic closing buffering device of steel ball sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201073112Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991284A (en) * | 2009-08-12 | 2011-03-30 | Segos株式会社 | Sliding apparatus with self-closing means |
| CN102665488A (en) * | 2009-12-23 | 2012-09-12 | 尤利乌斯·布卢姆有限公司 | Rail system for drawers |
| CN103479106A (en) * | 2013-09-18 | 2014-01-01 | 伍志勇 | Pressing and rebounding slide rail for drawer |
| KR20150130880A (en) * | 2014-05-14 | 2015-11-24 | 최지한 | The Rotary damper module and Guide rail provided with a rotary damper module |
| CN105569485A (en) * | 2016-02-16 | 2016-05-11 | 苏州升德精密电气有限公司 | Two-direction bumper with centered gear |
| CN108019996A (en) * | 2016-11-04 | 2018-05-11 | 三星电子株式会社 | Refrigerator |
| CN114194666A (en) * | 2021-12-16 | 2022-03-18 | 厦门芯阳科技股份有限公司 | Intelligent garbage cover buffer control method, buffer device and intelligent garbage can |
-
2007
- 2007-06-13 CN CNU2007201505526U patent/CN201073112Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991284A (en) * | 2009-08-12 | 2011-03-30 | Segos株式会社 | Sliding apparatus with self-closing means |
| CN101991284B (en) * | 2009-08-12 | 2013-04-24 | Segos株式会社 | Sliding apparatus with self-closing means |
| CN102665488A (en) * | 2009-12-23 | 2012-09-12 | 尤利乌斯·布卢姆有限公司 | Rail system for drawers |
| CN102665488B (en) * | 2009-12-23 | 2014-04-30 | 尤利乌斯·布卢姆有限公司 | Rail system for drawers |
| CN103479106A (en) * | 2013-09-18 | 2014-01-01 | 伍志勇 | Pressing and rebounding slide rail for drawer |
| KR20150130880A (en) * | 2014-05-14 | 2015-11-24 | 최지한 | The Rotary damper module and Guide rail provided with a rotary damper module |
| KR101596022B1 (en) | 2014-05-14 | 2016-02-22 | 최지한 | The Rotary damper module and Guide rail provided with a rotary damper module |
| CN105569485A (en) * | 2016-02-16 | 2016-05-11 | 苏州升德精密电气有限公司 | Two-direction bumper with centered gear |
| CN108019996A (en) * | 2016-11-04 | 2018-05-11 | 三星电子株式会社 | Refrigerator |
| CN114194666A (en) * | 2021-12-16 | 2022-03-18 | 厦门芯阳科技股份有限公司 | Intelligent garbage cover buffer control method, buffer device and intelligent garbage can |
| CN114194666B (en) * | 2021-12-16 | 2023-03-24 | 厦门芯阳科技股份有限公司 | Intelligent garbage cover buffer control method, buffer device and intelligent garbage can |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |