CN203088052U - Lifting stand column with locking device - Google Patents
Lifting stand column with locking device Download PDFInfo
- Publication number
- CN203088052U CN203088052U CN 201320113754 CN201320113754U CN203088052U CN 203088052 U CN203088052 U CN 203088052U CN 201320113754 CN201320113754 CN 201320113754 CN 201320113754 U CN201320113754 U CN 201320113754U CN 203088052 U CN203088052 U CN 203088052U
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- spring seat
- screw mandrel
- sleeved
- lifting column
- 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 - Lifetime
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Abstract
The utility model relates to a lifting stand column with a locking device. The lifting stand column with the locking device comprises an inner pipe (1), an outer pipe (2) and a sliding device (3) which are matched in a sliding mode. The sliding device (3) comprises a gearbox (31), an outer pipe fixing seat (32) which contains the gearbox (31) and is sleeved at the upper end portion of the outer pipe (2), a screw rod (23), and a nut (34) sleeved on the screw rod (33), wherein the nut (34) is connected with the upper end of the inner pipe (1), the lower end of the screw rod (33) is connected with the locking device (35) used for locking the lifting stand column when power is cut off, and the locking device (35) comprises a torsion spring seat (352) sleeved on the screw rod (33) in an embedded mode, a single torsion spring (351) sleeved on the torsion spring seat (352) in an embedded mode, and a torsion spring seat end cap (353) sleeved on the single torsion spring (351). According to the lifting stand column with the locking device, the lower end of the screw rod is connected with the locking device, so that the braking effect is good when power is cut off.
Description
Technical field
The utility model relates to a kind of lifting column, relates in particular to a kind of lifting column that has locker.
Background technology
The application of lifting column more and more widely, the desk of public arena such as office, hospital etc., chair, sick bed etc. carry out lifting as required.
The lifting of lifting column drives its lifting by input power, in the process that rises and descend, when power is cut off, lifting column is because the effect of gravity etc., cannot brake at once, lifting column can continue to descend, and the service life that can reduce lifting column for a long time.
The utility model content
The utility model provides a kind of lifting column that has locker at deficiency of the prior art, connects a locker in described screw mandrel lower end, when cutting off power, and good braking effect.
A kind of lifting column that has locker, comprise the carriage that is interior pipe, the outer tube that is slidingly matched and is used to drive interior pipe, outer tube relative motion, described carriage comprises the gear-box that links to each other with driving mechanism by drive link, hold gear-box and be sleeved on the outer tube holder of end, outer tube upper end and the upper end is nested in screw mandrel in the gear-box, also comprise the nut that is sleeved on the screw mandrel, described nut links to each other with interior pipe upper end; Described screw mandrel lower end connects a locker that can lock for lifting column when cut-out power the time, described locker comprises the torsion spring seat that is nested on the screw mandrel, be nested in the single torsion spring on the torsion spring seat and be sleeved on torsion spring seat end cap on the torsion spring.
Described torsion spring seat is that diameter is step-like column construction, and described torsion spring seat middle part is provided with the through hole one that is sleeved on the screw mandrel; Described torsion spring seat comprises torsion spring sleeve, boss and end part, and described end part is an engraved structure, and described engraved structure is made up of many reinforcements one that are arranged on the through hole excircle.
Described torsion spring seat end cap middle part is provided with the through hole two that is sleeved on the screw mandrel, and described torsion spring seat end cap one end middle part is provided with the cylindrical groove that the boss with the torsion spring seat is complementary.
Preferably, described torsion spring seat end cap is an engraved structure, and described engraved structure is made up of many reinforcements two that are arranged on through hole two excircles.
End, described screw mandrel lower end is provided with groove, and described spacing jump ring is installed in the groove; Described jump ring comprises the circular jump ring body of opening, and the middle part is provided with the through hole three that is sleeved on the screw mandrel, is provided with the projection that matches with the screw mandrel upper groove in the jump ring body inboard relative with opening.
The utility model beneficial effect: connect a locker in the screw mandrel lower end, when lifting column in uphill process, because single torsion spring is the single face effect, can not produce and reverse and influence the rising of lifting column, when cutting off power, lifting column can continue action and stop at certain position under the effect of inertia and gravity, the amplitude of generation is unlikely to influence the service life of lifting column; When lifting column in the decline process, when cutting off power, lifting column can continue to descend and last till a bigger amplitude under the double action of inertia and gravity, the amplitude that produces can influence the service life of lifting column, therefore connects a locker in the screw mandrel lower end, in case power cut, single torsion spring by locker locks, good braking effect can allow the upgrading column stop to descend in the short time, has also improved the service life that operating efficiency has also improved lifting column.
Description of drawings
Fig. 1 has the structural representation that falls column of locker for a kind of liter of the utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment list torsion spring;
Fig. 4 is the structural representation of the utility model embodiment torsion spring seat;
Fig. 5 is the front view of the utility model embodiment torsion spring seat;
Fig. 6 is the front view of the utility model embodiment torsion spring end cap;
Fig. 7 is that the A-A of the utility model embodiment torsion spring end cap is to cutaway view;
Fig. 8 is the structural representation of the utility model embodiment screw mandrel;
Fig. 9 is the structural representation of the utility model embodiment jump ring;
Figure 10 is a B-B cutaway view among above-mentioned Fig. 1.
Pipe in description of reference numerals: the 1-, 2-outer tube 3-carriage, 31-gear-box, 32-outer tube holder, the 33-screw mandrel, 34-nut, 35-locker, the single torsion spring of 351-, 352-torsion spring seat, 3521-through hole one, 3522-torsion spring sleeve, 3523-boss, 3524-end part, 3525-reinforcement one, 353-torsion spring seat end cap, 3531-through hole two, the 3532-groove, 3533-reinforcement two, 36-curved tooth, 37-jump ring (37), 371-jump ring body, 372-through hole three, 373-projection.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail.
As illustrated in fig. 1 and 2, a kind of embodiment that has the lifting column of locker of the utility model, comprise the carriage 3 that is interior pipe 1, the outer tube 2 that is slidingly matched and is used to drive interior pipe 1, outer tube 2 relative motions, described carriage 3 comprises the gear-box 31 that links to each other with driving mechanism by drive link, hold gear-box 31 and be sleeved on the outer tube holder 32 of end, outer tube 2 upper end and the upper end is nested in screw mandrel 33 in the gear-box 31, and be respectively equipped with the curved tooth 36 that matches with gear, thereby power is delivered on the screw mandrel 321 in gear-box 31 both sides.Also comprise the nut 34 that is sleeved on the screw mandrel 33, described nut 34 links to each other with interior pipe 1 upper end; Described screw mandrel 33 lower ends connect a locker 35 that can lock for lifting column when cut-out power the time, described locker 35 comprises the torsion spring seat 352 that is nested on the screw mandrel 33, be nested in the single torsion spring 351 on the torsion spring seat 352 and be sleeved on torsion spring seat end cap 353 on single torsion spring 351.
Shown in Fig. 3 and 4, described torsion spring seat 352 is step-like column construction for diameter, and described torsion spring seat 352 middle parts are provided with the through hole 1 that is sleeved on the screw mandrel 33, and described torsion spring seat 352 comprises torsion spring sleeve 3522, boss 3523 and end part 3524.
In order to strengthen the fastness of torsion spring seat 352, described end part 3524 is an engraved structure, and described engraved structure is made up of many reinforcements 1 that are arranged on through hole one 3521 excircles.
As illustrated in Figures 5 and 6, described torsion spring seat end cap 353 middle parts are provided with the through hole 2 3531 that is sleeved on the screw mandrel 33, and described torsion spring seat end cap 353 1 ends middle part is provided with the cylindrical groove 3532 that the boss 3523 with torsion spring seat 352 is complementary.
In order to strengthen the fastness of torsion spring seat end cap 353, described torsion spring seat end cap 353 is an engraved structure, and described engraved structure is made up of many reinforcements 2 3533 that are arranged on through hole 2 3531 excircles.
End, screw mandrel 33 lower end is provided with groove 331 as described in shown in Fig. 7 and 9, and described spacing jump ring 37 is installed in the groove 331.
As shown in Figure 8, described jump ring 37 comprises the circular jump ring body 371 of opening, and the middle part is provided with the through hole 3 372 that is sleeved on the screw mandrel 33, is provided with the projection 373 that matches with screw mandrel 33 upper grooves 331 in jump ring body 371 inboards relative with opening.
Screw mandrel is provided with groove, and jump ring is stuck in the groove exactly, mainly is its position-limiting action, guarantees can pin when same table rises to the top, and if not interior pipe can be drawn out.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (5)
1. lifting column that has locker, comprise and be the interior pipe (1) that is slidingly matched, outer tube (2) and be used to drive interior pipe (1), the carriage (3) of outer tube (2) relative motion, described carriage (3) comprises the gear-box (31) that links to each other with driving mechanism by drive link, hold gear-box (31) and be sleeved on the outer tube holder (32) of end, outer tube (2) upper end and the upper end is nested in screw mandrel (33) in the gear-box (31), also comprise the nut (34) that is sleeved on the screw mandrel (33), described nut (34) links to each other with interior pipe (1) upper end, it is characterized in that: described screw mandrel (33) lower end connects one and supplies lifting column at the locker (35) that can lock when cutting off power, and described locker (35) comprises the torsion spring seat (352) that is nested on the screw mandrel (33), be nested in the single torsion spring (351) on the torsion spring seat (352) and be sleeved on torsion spring seat end cap (353) on single torsion spring (351).
2. lifting column as claimed in claim 1 is characterized in that: described torsion spring seat (352) is step-like column construction for diameter, and described torsion spring seat (352) middle part is provided with the through hole one (3521) that is sleeved on the screw mandrel (33); Described torsion spring seat (352) comprises torsion spring sleeve (3522), boss (3523) and end part (3524), described end part (3524) is an engraved structure, and described engraved structure is made up of many reinforcements one (3525) that are arranged on through hole one (3521) excircle.
3. lifting column as claimed in claim 1, it is characterized in that: described torsion spring seat end cap (353) middle part is provided with the through hole two (3531) that is sleeved on the screw mandrel (33), and described torsion spring seat end cap (353) one ends middle part is provided with the cylindrical groove (3532) that the boss (3523) with torsion spring seat (352) is complementary.
4. lifting column as claimed in claim 3 is characterized in that: described torsion spring seat end cap (353) is an engraved structure, and described engraved structure is made up of many reinforcements two (3533) that are arranged on through hole two (3531) excircles.
5. lifting column as claimed in claim 4 is characterized in that: described screw mandrel (33) end, lower end is provided with groove (331), and described spacing jump ring (37) is installed in the groove (331); Described jump ring (37) comprises the circular jump ring body (371) of opening, the middle part is provided with the through hole three (372) that is sleeved on the screw mandrel (33), is provided with the projection (373) that matches with screw mandrel (33) upper groove (331) in jump ring body (371) inboard relative with opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113754 CN203088052U (en) | 2013-03-13 | 2013-03-13 | Lifting stand column with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113754 CN203088052U (en) | 2013-03-13 | 2013-03-13 | Lifting stand column with locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203088052U true CN203088052U (en) | 2013-07-31 |
Family
ID=48839513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320113754 Expired - Lifetime CN203088052U (en) | 2013-03-13 | 2013-03-13 | Lifting stand column with locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203088052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708219A (en) * | 2016-04-20 | 2016-06-29 | 金吉成 | Multifunctional lifting bed |
| CN109854697A (en) * | 2019-01-24 | 2019-06-07 | 绍兴康拓传动科技有限公司 | A kind of single motor column up-down system |
-
2013
- 2013-03-13 CN CN 201320113754 patent/CN203088052U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708219A (en) * | 2016-04-20 | 2016-06-29 | 金吉成 | Multifunctional lifting bed |
| CN105708219B (en) * | 2016-04-20 | 2019-09-06 | 金吉成 | Multifunctional lift bed |
| CN109854697A (en) * | 2019-01-24 | 2019-06-07 | 绍兴康拓传动科技有限公司 | A kind of single motor column up-down system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |