CN1188066C - Height adjustable platform frame - Google Patents
Height adjustable platform frame Download PDFInfo
- Publication number
- CN1188066C CN1188066C CNB001295381A CN00129538A CN1188066C CN 1188066 C CN1188066 C CN 1188066C CN B001295381 A CNB001295381 A CN B001295381A CN 00129538 A CN00129538 A CN 00129538A CN 1188066 C CN1188066 C CN 1188066C
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- China
- Prior art keywords
- stand
- gear
- driven member
- foot
- actuator
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Abstract
The present invention provides a platform of which the height can be easily regulated with small power, which comprises a shaft, a foot, an operating rod and a switching mechanism, wherein screw threads are formed on the shaft; the foot is engaged with the shaft and can move upwards and downwards by the rotation of the shaft; the operating rod is used for changing the utility model rotation of the shaft into reciprocation; the shaft is rotated by operating the operating rod, and thus, the vertical position of the foot is regulated.
Description
Technical field
The present invention relates to a kind of height adjustable platform frame, the stand that particularly is suitable as the shelf in wall hanging cabinet, buffet, refrigerator, the closet etc. and is used as kitchen or other local desk, stool and analog.Specifically, the present invention can be as can the optimum utilization confined space, method as wall hanging cabinet, buffet, refrigerator, closet, so that a kind of article that are stored in other article in the storage area that are higher or lower than are placed on the shelf, the present invention can also be used to changing fast the height of desk, stool and analog.
Background technology
As example, in refrigerator, settle a beam and utilize worm screw of worm gear rotation by central degree of depth place at shelf, can move up and down shelf.For desk and stool, move up or down desktop or seat by unclamping a retaining mechanism with manual, can change height.An example of retaining mechanism is a screw, and it can unclamp to regulate the height of desk or stool, tightens to realize locking again.
Yet rotary worm needs long time.The method of unclamping of retaining mechanism also has shortcoming, promptly when retaining mechanism was not locked, heavy desktop or heavy seat had the danger of decline, and adjusting needs loaded down with trivial details two steps operation, promptly unclamp and the moving of desktop/seat, thereby be difficult to stand is arranged on the ideal position.
Summary of the invention
The present invention has considered to develop after the problems referred to above, thereby an object of the present invention is to provide a kind of easy, quick and safe height control method.
In order to reach this purpose, height adjustable platform frame according to the present invention comprises: an axle, and it rotatably is connected on the described stand, and is formed with screw thread on it; A foot, it is used to support described stand; An action bars, it is located on the described stand in reciprocating mode; And switching mechanism, it comprises the actuator that is fixed on the described action bars, be fixed on the driven member on the described axle and be located at described actuator and described driven member between motion transmit part, described motion transmission part at one end links to each other with described actuator and is driven by described actuator, link to each other with described driven member and drive described driven member at the other end, and the motion of a described end is delivered to the described other end, the described other end drives described driven member rotation, so that described axle rotation, and be formed with screw thread in the described foot, be used for the axle on screw-threaded engagement, described foot moves up and down along with the rotation of described axle, to regulate the height of described stand.
According to preferred version of the present invention, described actuator and driven member are belt pulleys, and it is the belt that extends around described belt pulley that part is transmitted in described motion.Belt can be moved by action bars, to regulate the vertical position of foot.
Useful is, described actuator is formed in the arc slotted hole in the action bars, described driven member is a gear, described motion is transmitted part and is comprised a lever and a tooth bar of with described gears engaged, one end of described lever is hinged on the described stand, described tooth bar in other end interlock, and lever is being fixed a pin on the position between its two ends, and described pin is inserted in the described slotted hole and can be driven by slotted hole.Action bars can be operated with rotating shaft, thereby regulates the vertical position of foot.
According to another preferred version of the present invention, described actuator is a tooth bar, and described driven member is a gear, and it is that series connection is engaged at least one mesomerism gear between described tooth bar and the described gear that part is transmitted in described motion.Action bars can be operated with rotating shaft, thereby regulates the vertical position of foot.
According to another preferred version of the present invention, described actuator is a mobile wire rod capable of circulation, described driven member is a gear, described motion transmit part comprise twined by described wire rod and rotatably fix the winding cylinder on the described stand, winding cylinder gear, the series connection that is fixed on the described winding cylinder is engaged at least one mesomerism gear between described driven member gear and the described winding cylinder gear.Action bars can be operated with rotating shaft, thereby regulates the vertical position of foot.
Useful is that foot is a sole, and stand can comprise a shelf that is placed on the sole.
Useful is, spring can place between above-mentioned foot and the stand end face.
Description of drawings
Fig. 1 is the perspective view of one embodiment of the present of invention;
Fig. 2 is the enlarged perspective according to the main part of the present invention of the embodiment of the invention;
Fig. 3 is the profile of main part, to show operating position of the present invention;
Fig. 4 is the profile according to the main part of the present invention of the modification example of the embodiment of the invention;
Fig. 5 is the partial cut-away perspective view of an alternative embodiment of the invention;
Fig. 6 is the partly cut-away's vertical view that is used for first embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face;
Fig. 7 is the front view that is used for first embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face;
Fig. 8 is the partly cut-away's vertical view that is used for second embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face;
Fig. 9 is the partly cut-away's vertical view that is used for the 3rd embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face;
Figure 10 is the vertical view that is used for the 4th embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face, and wherein shelf removes from the stand end face;
Figure 11 is the lateral sectional view that is used for the 4th embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face, and wherein shelf removes from the stand end face; And
Figure 12 is the profile of a refrigerator.
The specific embodiment
Below will be by describing embodiments of the invention with reference to the accompanying drawings.Fig. 1 is the perspective view of one embodiment of the present of invention, and Fig. 2 is the enlarged perspective according to the main part of the present invention of present embodiment.
In Fig. 1 and 2, an axle 1 that is formed with helicla flute (screw thread) 1a vertically is installed on the stand 7 by this way, promptly allows axle 1 to rotate freely.1 and sole 2 interlock of axle are to constitute a foot, and a helicla flute (screw thread) 2a that is shaped on the sole is with meshing spiral groove (screw thread) 1a.Sole 2 can vertically move but can not rotate.One end of sole 2 stretches out (extension is represented with 2b) slightly from stand 7.
A sprocket wheel 11 is fixed on the axle 1.This assembly that is made of axle 1 and sprocket wheel 11 is loaded on four bights of stand, and a belt 3 extends around each sprocket wheel 11.This belt 3 is settled along the neighboring of stand 7.One end of belt 3 is fastened on the slide block 4 that has an action bars 4a, and the other end is fastened on the tensioner 6, and this tensioner is compressed in advance by a spring 5 that embeds in the slide block 4.Spring 5 is used to prevent that belt 3 from bearing too big load, when variations in temperature, may produce this load because of the thermal dilation difference between stand 7 and the belt 3.And thermal dilation difference is to cause because of the materials variances of stand 7 with belt 3.
Like this, utilize action bars 4a that slide block 4 is moved to the left or to the right, thereby move belt 3 (turning over each bight) and the rotating sprocket 11 that is fastened on the slide block 4.Axle 1 is being driven by the rotation of sprocket wheel 11 and to rotate, and with axle 1 interlock and can not rotate but the sole 2 that can vertically move then moves up or down.
Fig. 3 is the profile of main part, to show operating position of the present invention.Stand 7 is provided with like this, and promptly the extension 2b of sole 2 is fastened on the fastening position 12.If the present invention is applied on the refrigerator, then fastening part 12 is provided on the inner wall surface of refrigerator, and stand 7 is set in the refrigerator.The situation that the present invention is applied to refrigerator is shown among Figure 12, and wherein stand 7 is as the shelf among the refrigerator R.In this state, by move operation bar 4a to the left or to the right, this motion can be delivered on the axle 1 by slide block 4, belt 3 and sprocket wheel 11, moving up or down sole 2, thereby regulates the height of stand.In other words, if a plurality of stand 7 constitutes multilayer, then the distance between upper stage 7 and the lower stage 7 is adjustable.For the refrigerator R shown in Figure 12, the vertical position of shelf 7 is adjustable, or the distance between the shelf 7,7 is adjustable.
Shown the modification example of top embodiment of the present invention among Fig. 4, wherein sole 2 is replaced by cornue foot 8.This remodeling of the present invention is applicable to desk, stool and analog.For example, if stand 7 is used as desktop, then cornue foot 8 is corresponding to table leg.In this modification example, axle 1 in cornue foot 8 interlocks that can vertically move, and identical among remainder and the front embodiment.Therefore, represent identical parts, to omit detailed description to these parts with identical reference symbol.Action bars 4a is used for cornue foot 8 is moved up or down, so that the adjustable height of foot.Like this, as example, can carry out such adjusting to height as the stand 7 of desk.
Preferably make helicla flute (screw thread) 1a of axle 1 and helicla flute (screw thread) 2a of sole 2 or cornue foot 8 have the little angle of pitch.The angle of pitch of helicla flute 1a and 2a is less can not to need retaining mechanism, thereby easy and simple to handle and guarantee long operating distance, therefore only needs less strength to get final product when operation.
Fig. 5 is the partial cut-away perspective view of an alternative embodiment of the invention.In the present embodiment, a spring 9 places between stand 7 and sole 2 or the cornue foot 8, thereby can alleviate the required power of operation of regulating when stand 7 own wts are very big.Zataku is a kind of wooden short table of Japan, and it mainly is used in the Japanese house of having laid the tatami mat.This desk is usually very thick and heavy and be very exquisite furniture.In order to obtain the thick and heavy and high-quality apperance of this supposition, the desktop of Zataku has very big weight usually.Therefore a lifting spring 9 is equipped with, when the present invention is applied to Zataku, consider that stand end face self is heavier, and foot's employing column shape to meet the outward appearance of general Zataku in the cavity of cornue foot 8.This lifting spring 9 can prevent that helicla flute is extruded to together under the pressure of big weight end face, and needing when regulating operation can avoid very big power.When weight was placed on the stand 7 and has increased weight, this structure also was effective.
Note that belt not only can be the belt of a tape punching, but also can be a synchronous belt or a chain.
Fig. 6 and 7 is respectively partly cut-away's vertical view and the front view that is used for first embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face.
An action bars 21 rotatably is installed in one as on the pivot 22 on the shelf 7 of stand end face, and can the front and back rotation by holding a handle portion 21a.A lever 23 has a pin 23a who is fixed on its substantial middle, and pin 23a is inserted among the arc slotted hole 21c on the action bars 21.A pin 23b is fixed on the lever 23 an outer fix with respect to pin 23a.The slotted hole 21f on the projection 21b of action bars 21 in pin 23b interlock, and action bars 21 can drive the rotation of lever 23 front and back.For example, when action bars 21 moves to 21 ' time of position, lever 23 move to position 23 '.
A tooth bar 24 in the terminal interlock respectively of each of lever 23, so that the latter moves forward and backward along with the motion of lever 23.Each tooth bar 24 is meshing a gear 25 that is fixed on the axle 1, thereby seesawing of tooth bar 24 can cause gear 25 to drive the rotation of axle 1 front and back.In brief, the operation of action bars 21 will drive tooth bar 24 by lever 23 and move forward and backward, thereby pass through gear 25 and rotating shaft 1.In brief, when action bars 21 moves to 21 ' time of position, lever 23 move to position 23 ', and tooth bar 24 also move to position 24 ', thereby by gear 25 rotating shafts 1.
Axle 1 rotation will drive sole 2 and move, for example, from the position 2 move to position 2 ', as shown in Figure 7, so the vertical position of shelf 7 is adjustable.
As shown in Figure 7, action bars 21 has a pawl 21d, and this claw hook hangs on the ratchet 26, so that shelf keeps its vertical position.
Fig. 8 is the partly cut-away's vertical view that is used for second embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face.In the present embodiment, a gear 21e on the action bars 21 is meshing a gear 23d on the projection 23c of lever 23, and the operation of action bars will cause the rotation of lever 23 front and back.Therefore identical among each embodiment of remainder and front represent identical parts with identical reference symbol, to omit the detailed description to these parts.According to present embodiment, though the distance of action bars 21 is longer, it is little to regulate the required power of operation.
Fig. 9 is the partly cut-away's vertical view that is used for the 3rd embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face.In the present embodiment, a tooth bar 31 is installed with like this, and promptly it can driven by a handle portion 31a and move back and forth.A transmission mechanism that is made of gear 32,33,34,35 places between the gear 25 of tooth bar 31 and axle 1, so that the reciprocating motion of tooth bar 31 can cause the rotation of axle 1 front and back.Therefore identical among each embodiment of remainder and front represent identical parts with identical reference symbol, to omit the detailed description to these parts.According to present embodiment, handle portion 31a stretches out what are unimportant, no matter and the position of handle portion 31a how all can obtain identical effect.
Figure 10 and 11 is respectively vertical view and the lateral sectional view that is used for the 4th embodiment of the switching mechanism regulated as the vertical position of the shelf of stand end face, and wherein shelf removes from the stand end face.
In the present embodiment, a wire rod 41 that extends around each guide wheel 42 is wrapped on the silk thread winding cylinder 44 of a gear 43.Have a handle 41a on the silk thread 41, in order to mobile silk thread 41 and so and by silk thread winding cylinder 44 swing pinions 43.The gear 25 of gear 43 and axle 1 is connected with each other by a transmission mechanism, and this transmission mechanism is made of a gear 45 and a turbine 46, can be delivered to the rotation with gear 43 on the gear 25 of axle 1.Like this, move silk thread 41 by utilizing handle 41a, axle 1 can rotate, and moves up and down to drive sole 2.
According to present embodiment, gear 43 is wrapped in silk thread 41 on the silk thread winding cylinder 44 and is driving and rotate, and silk thread winding cylinder and gear 43 are combined as a whole and diameter is less.Therefore, can obtain bigger speed increasing ratio, and the helical angle (angle of pitch) of axle 1 can be constructed lessly.By this structure, shelf 7 can not return when being subjected to a load, therefore needn't need position holding device.
Describe in detail such as the front, height adjustable platform frame according to the present invention has following effect Really.
(1) by to the action bars direct control, regulating easily the vertical position of stand, Can easily regulate distance or stand height between the stand (shelf, desk etc.). When one or more article are placed on the stand, this distance or highly also can be easily Regulate.
(2) operation is directly, therefore can finish fast. In addition, simple in structure and The required strength of Adjustment operation is littler.
(3) owing to simple in structure, so the present invention can implement with low cost.
(4) when using belt or wire rod, belt or wire rod are along the neighboring peace of stand Put. Therefore, can obtain big operating distance.
(5) spring places foot and is supporting (upwards pushing away) stand end face, therefore transfers Joint operation can realize by littler power, though the weight of stand end face self is big or There are heavy article to be placed on the stand.
(6) the foot's screw thread that is being engaged with each other and the angle of pitch of male thread are littler, so not Need retaining mechanism, Adjustment operation is simple, and the required strength of Adjustment operation is littler.
Claims (7)
1. height adjustable platform frame comprises:
An axle, it rotatably is connected on the described stand, and is formed with screw thread on it;
A foot, it is used to support described stand;
An action bars, it is located on the described stand in reciprocating mode; And
A switching mechanism, it comprises the actuator that is fixed on the described action bars, be fixed on the driven member on the described axle and be located at described actuator and described driven member between motion transmit part, described motion transmission part at one end links to each other with described actuator and is driven by described actuator, link to each other with described driven member and drive described driven member at the other end, and the motion of a described end is delivered to the described other end, the described other end drives described driven member rotation, so that described axle rotation, and be formed with screw thread in the described foot, be used for the axle on screw-threaded engagement, described foot moves up and down along with the rotation of described axle, to regulate the height of described stand.
2. height adjustable platform frame as claimed in claim 1 is characterized in that described actuator and driven member are belt pulleys, and it is the belt that extends around described belt pulley that part is transmitted in described motion.
3. height adjustable platform frame as claimed in claim 1, it is characterized in that, described actuator is formed in the arc slotted hole in the action bars, described driven member is a gear, described motion is transmitted part and is comprised a lever and a tooth bar of with described gears engaged, and an end of described lever is hinged on the described stand, and described tooth bar in other end interlock, lever is being fixed a pin on the position between its two ends, described pin is inserted in the described slotted hole and can be driven by slotted hole.
4. height adjustable platform frame as claimed in claim 1 is characterized in that described actuator is a tooth bar, and described driven member is a gear, and it is that series connection is engaged at least one mesomerism gear between described tooth bar and the described gear that part is transmitted in described motion.
5. height adjustable platform frame as claimed in claim 1, it is characterized in that, described actuator is a mobile wire rod capable of circulation, described driven member is a gear, described motion transmit part comprise twined by described wire rod and rotatably fix the winding cylinder on the described stand, winding cylinder gear, the series connection that is fixed on the described winding cylinder is engaged at least one mesomerism gear between described driven member gear and the described winding cylinder gear.
6. as the arbitrary described height adjustable platform frame of claim 1 to 5, it is characterized in that described foot is a sole, and described stand comprises a shelf that is placed on the described sole.
7. as the arbitrary described height adjustable platform frame of claim 1 to 5, it is characterized in that spring places between described foot and the stand end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001295381A CN1188066C (en) | 2000-09-28 | 2000-09-28 | Height adjustable platform frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001295381A CN1188066C (en) | 2000-09-28 | 2000-09-28 | Height adjustable platform frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1345565A CN1345565A (en) | 2002-04-24 |
| CN1188066C true CN1188066C (en) | 2005-02-09 |
Family
ID=4593572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001295381A Expired - Fee Related CN1188066C (en) | 2000-09-28 | 2000-09-28 | Height adjustable platform frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1188066C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568785B (en) * | 2006-12-22 | 2012-08-29 | Bsh博世和西门子家用器具有限公司 | Refrigerating unit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983078A (en) * | 2014-06-05 | 2014-08-13 | 合肥美的电冰箱有限公司 | Rack capable of going up and down |
| CN106275294A (en) * | 2016-09-18 | 2017-01-04 | 安庆三维电器有限公司 | A kind of heavy scalable installation foot peculiar to vessel and using method thereof |
| EP3820330A4 (en) * | 2018-07-12 | 2022-03-30 | Arçelik Anonim Sirketi | Shelf height adjustment mechanism |
-
2000
- 2000-09-28 CN CNB001295381A patent/CN1188066C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568785B (en) * | 2006-12-22 | 2012-08-29 | Bsh博世和西门子家用器具有限公司 | Refrigerating unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1345565A (en) | 2002-04-24 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 Termination date: 20110928 |