CN203220083U - Hand-held lifting structure - Google Patents
Hand-held lifting structure Download PDFInfo
- Publication number
- CN203220083U CN203220083U CN 201320135705 CN201320135705U CN203220083U CN 203220083 U CN203220083 U CN 203220083U CN 201320135705 CN201320135705 CN 201320135705 CN 201320135705 U CN201320135705 U CN 201320135705U CN 203220083 U CN203220083 U CN 203220083U
- Authority
- CN
- China
- Prior art keywords
- lifting
- gathering sill
- positioning
- guide pad
- support leg
- 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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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a hand-held lifting structure, which comprises an upper supporting leg and a lower supporting leg, wherein the upper supporting leg and the lower supporting leg lift in a relative sliding manner; a lifting positioning structure is arranged between the upper supporting leg and the lower supporting leg and comprises a lifting sleeve, a lifting strip, a positioning block and a guide block; the lifting strip is sleeved in the lifting sleeve; the positioning block is arranged on the lifting strip and can slide along with the lifting strip; the guide block slides along with the lifting strip to lag behind the positioning block; the lifting sleeve is provided with a guide groove; a side wall of the guide groove is provided with at least two positioning grooves from bottom to top in sequence; and the groove wall of the positioning groove is in smooth curve transition connection with the guide groove. According to the hand-held lifting structure, the lifting strip and the lifting sleeve are matched through a relatively simple positioning structure to form supporting and lifting for the upper and lower supporting legs; and according to the lifting structure, the upper and lower supporting legs can be manually lifted or stretched, and stable lifting can be effectively kept through the clamping of a positioning pin of the positioning block and a positioning groove of the lifting sleeve. The hand-held lifting structure has the advantages of simple structure, low cost and convenience in use.
Description
Technical field
The utility model relates to field of office furniture, especially a kind of portable lifting structure.
Background technology
The lifting structure of existing office up-down desk and chair comprises gear, tooth bar or pneumatic-hydraulic or its combination etc., the lifting structure complexity, and manufacturing cost is higher.
Summary of the invention
The utility model provides a kind of free lifting, lifting structure simple in structure, easy to use, with low cost for solving the problem that prior art in use exists.
The technical scheme that the utility model solves existing issue is: a kind of portable lifting structure, comprise relative slip lifting on, the lower support leg, as improvement, on described, be provided with an elevation positioning structure between the lower support leg, described elevation positioning structure comprises the lifting cover, be sheathed on the lifting bar in the lifting cover, the locating piece that is arranged on the lifting bar and slides with the lifting bar and slide with the lifting bar and to lag behind the guide pad of locating piece, described lifting puts and is provided with gathering sill, gathering sill one sidewall is aligned in sequence with at least two of locating slots from bottom to up, cell wall excessively is connected with the gathering sill smooth curve on the described locating slot, and described locating piece is protruding with slidably shifts one's position, the positioning pin column and the elastomer that keeps positioning pin column to cooperate with one of locating slot that cooperate or be supported in cell wall under the locating slot with gathering sill; Described guide pad is provided with and orders about the maintenance groove that positioning pin column cooperates with gathering sill, described maintenance groove breaks away from positioning pin column along with the hysteresis slip of guide pad or cooperates, and the locating slot of described the top is not less than the delay distance of guide pad apart from gathering sill top predeterminable range.
As further improvement, described lifting bar is provided with the resettlement groove of locating piece, is provided with a stage clip that keeps positioning pin column to cooperate with one of locating slot in the described resettlement groove.
As further improvement, described guide pad is provided with keeping groove and is communicated with in order to hold the shift one's position loose slot of track of positioning pin column.
As further improvement, be positioned at the upper and lower both sides of guide pad on the described lifting bar and be provided with in order to the projection that drives and spacing guide pad slides.
As further improvement, the described locating slot notch that is positioned at gathering sill one sidewall is tilted to towards gathering sill.
As further improvement, in the socket of described upper support leg and the lower support leg, described lifting cover bottom fixedly on the lower support leg, is fixed on the upper support leg on the lifting bar.
As further improvement, be provided with a plurality of holding plates in the described lower support leg and between the lifting cover, described lifting covers to plug and places in the set retaining hole of holding plate.
The utility model compared with prior art, the lifting bar matches by the relative simple location structure of structure with the lifting cover, constituted support and the lifting of supporting leg up and down, the utility model lifting structure can be by hand hoisting or the supporting leg up and down that stretches, and the positioning pin column of locating piece engages with the locating slot of lifting cover can effectively keep the stable of lifting.The utility model is simple in structure, and is with low cost, easy to use.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of location structure.
Fig. 3 is the enlarged diagram at Fig. 2 a place.
Fig. 4 is the enlarged diagram at Fig. 2 b place.
The cooperation schematic diagram of Fig. 5 lifting bar, locating piece, guide pad.
Fig. 6 is the structural representation of supporting leg.
The specific embodiment
Referring to Fig. 1-6, the implementation case comprise relative slip lifting on, lower support leg 1,2,1 socket of upper support leg and lower support leg interior 2, on, lower support leg 1, be provided with an elevation positioning structure between 2, elevation positioning structure comprises lifting cover 3, be sheathed on the lifting bar 4 in the lifting cover 3, the locating piece 5 that is arranged on the lifting bar 4 and slides with lifting bar 4 and slide with the lifting bar and to lag behind the guide pad 6 of locating piece 5, lifting is overlapped 3 bottoms fixedly on the lower support leg 2, lifting bar 4 upper ends are fixed on the upper support leg 1, be provided with a plurality of holding plates 8 in the lower support leg 2 with between the lifting cover 3, lifting cover 3 is interspersed to be arranged in the set retaining hole of holding plate 8.
Wherein, for conserve space, dwindle the volume of elevation positioning structure, lifting bar 4 is provided with the resettlement groove 41 of locating piece 5, and being provided with an elastomer 7 that keeps positioning pin column 51 to cooperate with one of locating slot 32 in the resettlement groove 41 is stage clip.Guide pad 6 is provided with keeping groove 61 and is communicated with in order to hold the shift one's position loose slot 62 of track of positioning pin column.Be positioned at guide pad 6 upper and lower both sides on the lifting bar 4 and be provided with projection, in order to the slip of driving and spacing guide pad 6.Locating slot 32 notches that are positioned at gathering sill 31 1 sidewalls are tilted to towards gathering sill, are convenient to lifting and jump 4 liftings.
When the utility model uses, promote or the upper and lower supporting leg 1,2 that stretches, lifting bar 4 is with sliding with respect to lifting cover 3, positioning pin column 51 on the locating piece 5 is to cooperate with one of locating slot 32 under the effect of stage clip at elastomer 7, when being promoted to suitable height, stop to promote, the positioning pin column 51 of locating piece 5 rests in locating slot 32 places of closing on downside, and is supported in the stable of 32 times cell walls maintenances of locating slot supporting leg.Can further promote as required, reduce height as need, can promote upper support leg 1 to the top of gathering sill 31 and force down upper support leg 1 downwards, locating slot 32 topmost is not less than the delay distance of guide pad 6 apart from gathering sill 31 top predeterminable ranges, and guide pad 6 with respect to locating piece 5 with respect to hysteresis, locating piece 5 is earlier descending with lifting bar 4, the positioning pin column 51 of locating piece 5 slips into and keeps in the groove 61, keep groove 61 to keep positioning pin column 51 in gathering sill 31, to slide to the bottom 4 times with the lifting bar, promote upper support leg 1 again, locating piece 5 is up prior to guide pad 6, positioning pin column 51 breaks away from and keeps groove 61, positioning pin column 51 rests in locating slot 32 places of closing on downside, and is supported in the stable of 32 times cell walls maintenances of locating slot supporting leg.
Claims (7)
1. portable lifting structure, comprise relative slip lifting on, the lower support leg, it is characterized in that: on described, be provided with an elevation positioning structure between the lower support leg, described elevation positioning structure comprises the lifting cover, be sheathed on the lifting bar in the lifting cover, the locating piece that is arranged on the lifting bar and slides with the lifting bar and slide with the lifting bar and to lag behind the guide pad of locating piece, described lifting puts and is provided with gathering sill, gathering sill one sidewall is aligned in sequence with at least two of locating slots from bottom to up, cell wall excessively is connected with the gathering sill smooth curve on the described locating slot, and described locating piece is protruding with slidably shifts one's position, the positioning pin column and the elastomer that keeps positioning pin column to cooperate with one of locating slot that cooperate or be supported in cell wall under the locating slot with gathering sill; Described guide pad is provided with and orders about the maintenance groove that positioning pin column cooperates with gathering sill, described maintenance groove breaks away from positioning pin column along with the hysteresis slip of guide pad or cooperates, and the locating slot of described the top is not less than the delay distance of guide pad apart from gathering sill top predeterminable range.
2. portable lifting structure as claimed in claim 1, it is characterized in that: described lifting bar is provided with the resettlement groove of locating piece, is provided with a stage clip that keeps positioning pin column to cooperate with one of locating slot in the described resettlement groove.
3. portable lifting structure as claimed in claim 1 is characterized in that: described guide pad is provided with keeping groove and is communicated with in order to hold the shift one's position loose slot of track of positioning pin column.
4. portable lifting structure as claimed in claim 1 is characterized in that: be positioned at the upper and lower both sides of guide pad on the described lifting bar and be provided with in order to the projection that drives and spacing guide pad slides.
5. portable lifting structure as claimed in claim 1, it is characterized in that: the described locating slot notch that is positioned at gathering sill one sidewall is tilted to towards gathering sill.
6. portable lifting structure as claimed in claim 1 is characterized in that: in the socket of described upper support leg and the lower support leg, described lifting cover bottom fixedly on the lower support leg, is fixed on the upper support leg on the lifting bar.
7. as claim 1 or 7 described portable lifting structures, it is characterized in that: be provided with a plurality of holding plates in the described lower support leg and between the lifting cover, described lifting covers to plug and places in the set retaining hole of holding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135705 CN203220083U (en) | 2013-03-25 | 2013-03-25 | Hand-held lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135705 CN203220083U (en) | 2013-03-25 | 2013-03-25 | Hand-held lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203220083U true CN203220083U (en) | 2013-10-02 |
Family
ID=49247104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135705 Expired - Fee Related CN203220083U (en) | 2013-03-25 | 2013-03-25 | Hand-held lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203220083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960878A (en) * | 2014-04-15 | 2014-08-06 | 南充市同信电子仪器设备有限公司 | Desk capable of rapidly rising and falling |
| CN107518582A (en) * | 2016-06-22 | 2017-12-29 | 施文秀 | A kind of adjustable for height folding table |
-
2013
- 2013-03-25 CN CN 201320135705 patent/CN203220083U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960878A (en) * | 2014-04-15 | 2014-08-06 | 南充市同信电子仪器设备有限公司 | Desk capable of rapidly rising and falling |
| CN107518582A (en) * | 2016-06-22 | 2017-12-29 | 施文秀 | A kind of adjustable for height folding table |
| CN107518582B (en) * | 2016-06-22 | 2024-03-26 | 施文秀 | Folding table with adjustable height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131002 Termination date: 20140325 |