CN201790365U - Telescopic leg rod and folding bed using same - Google Patents
Telescopic leg rod and folding bed using same Download PDFInfo
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- CN201790365U CN201790365U CN2010205216777U CN201020521677U CN201790365U CN 201790365 U CN201790365 U CN 201790365U CN 2010205216777 U CN2010205216777 U CN 2010205216777U CN 201020521677 U CN201020521677 U CN 201020521677U CN 201790365 U CN201790365 U CN 201790365U
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Abstract
The utility model discloses a telescopic leg rod and a folding bed using the same. The telescopic leg rod comprises a first rod and a second rod which is movably matched with the first rod in an inserting and sleeving mode, wherein a gear and rack engaging mechanism is arranged between the first rod and the second rod; the second or first rod where a gear is positioned is provided with a gear locking mechanism; and the gear locking mechanism comprises a locking block which is movably arranged on the second or first rod and is engaged with the gear. The telescopic leg rod is also provided with an unlocking mechanism which is used for driving the locking block of the gear locking mechanism to separate from the gear, and is a pull piece connected to the locking block for hands to pull. The gear and rack engaging mechanism is movably matched along the extending direction of the telescopic leg rod, and the locking block which is engaged with the gear and can be pulled by the hands is used for controlling the free rotation and stopping of the gear.
Description
Technical field
The utility model relates to furniture, especially a kind of folding bed.
Background technology
The existing retractable folding bed class effect that most only consideration is saved the space and couched when design, but seldom have for multipurpose design outdoor or that travelling is used, the footpost that the pars intermedia branch of existing folding bed connects is fixed, and can not rotate, therefore existing folding bed and other classes all can not satisfy outdoor application or carry, the existing in addition heavier and function singleness of folding bed is not suitable for portably using outdoor, is not easy to that enjoy the cool summer or the demand of outing; And the gas permeability of existing folding bed bed surface and mattress is poor, still can use winter, to summer, damage owing to use air-conditioning can know from experience the people for a long time, and cost is higher, and the mattress or the folding bed of existing gas permeability difference just can't use; In addition, bed surface rubber-like bed on the existing market has multiple, some is to adopt the inner mattress that adds shock mount or sponge, some directly is equipped with the bed surface of elastically deformable, as the palm fibre bed, the rattan bed, spring bed etc., the gas permeability and the elasticity of mattress are relatively poor, especially in summer, sponge or sping mattress can not use because of airtight, the palm fibre bed, the rattan bed, though the bed surface of spring bed is ventilative, service time one long because of the material of table is aging will be to being subjected to heavily to locate to form subsiding of can't resilience restoring, so permanent use can cause health to unfold, influence the blood of human body circulation, damage healthy; And existing elasticity bed surface all is connected on the bed surface framework, and therefore the tension force of bed surface can not can not satisfy different custom crowds needs in all cases by the consumer from main regulation after dispatching from the factory.
The utility model content
The utility model purpose is to provide a kind of flexible Retractive leg bar simple to operation, and the folding bed that uses this Retractive leg bar is provided simultaneously.
The technical scheme of folding bed of the present utility model is: folding bed, comprise the bed surface framework, footpost and covering are connected in the bed surface on the bed surface framework, described footpost comprises with the bed surface frame supported or is connected the Retractive leg bar that cooperates, the Retractive leg bar comprises first bar and second bar that cooperates with the movable sleeve of first bar, first, be provided with the rack-and-pinion engaging mechanism between two bars, the rack-and-pinion engaging mechanism comprises the tooth bar that extends along the length direction of bar that is arranged on first or second bar, rotation is assemblied in the second or first bar inside and gear described tooth bar engagement fit, also be provided with the gear lock locking mechanism on second or first bar at gear place, the gear lock locking mechanism comprises that activity is assemblied in the lock dog that cooperates with described gears to engage and disengage on second or first bar, lock dog be provided be used for gears engaged after the flank of tooth of lock gear, be equipped with between the lock dog and second or first bar order about lock dog towards with the elastic device of the direction of described gears engaged motion, also be provided with the lock dog that is used to the to order about described gear lock locking mechanism release mechanism towards the direction motion that separates with described gear on the described Retractive leg bar, release mechanism is the drawing article for the staff pull operation that is connected on the lock dog.
Described elastic device be mounted between second bar or first bar and the lock dog, make lock dog be subjected to spring to the close elastic force effect of gear, the two ends of described backguy respectively with a pair of Retractive leg bar of bed surface framework both sides on lock dog be connected, the backguy middle part extends backguy to be arranged between the Retractive leg bar of both sides by being fixed on pulley commutation on the Retractive leg bar.
Described Retractive leg bar is at least one pair of the Retractive leg bar that is symmetricly set in bed surface framework both sides, is coaxially connected with drive shaft between two gear centres on the two Retractive leg bars of symmetry.
Described footpost is to constitute at the folding footpost of two pairs of both arms that the head of a bed, tailstock distribute, the folding footpost of two both arms that constitutes the folding footpost of a pair of both arms is relatively arranged on the both sides of bed surface framework, the folding footpost of each both arms comprises the first arm that is hinged near the bed surface frame mid portion, is hinged on second arm on the first arm, described second arm away from it with the arm body support of the articulated position of the first arm or be connected in the position, close edge of bed surface framework; Second arm of the folding footpost of described at least one both arms is described Retractive leg bar.
Be connected with between two the first arm bottoms of the folding footpost of the described a pair of both arms that are distributed in the bed surface both sides be used to prevent the first arm in the upper end the stressed stay cord that tilts when excessive.
Be connected with between the first arm of the folding footpost of described two both arms that are distributed in the bed surface homonymy and be used to the anti-down backguy that prevents that the folding footpost of both arms from changeing to head of a bed rollover.
Described second arm and bed surface framework connection structure connecting are the buckle structure of releasable connection, and described buckle structure is alignment pin and locating groove, alignment pin is set on one of them of the bed surface framework and second arm, locating groove is set on another; Described alignment pin is arranged on the bed surface framework, locating groove is arranged on second arm, the bed surface framework is fixed with the location-plate of the described alignment pin of assembling, also be provided with locker on the described location-plate, locker is that the movable locking pin that wears constitutes in the locking hole that extends along straight line or arc direction offered on the plate face by location-plate and the locking hole, described locking hole have the engaging of meeting the locating groove on described the first arm that is in locking pin come to a side be used for put in place the lock portion of locking the first arm of locking pin, locking hole also has the locking pin that is used for that is in the lock portion top and puts in place and get out of the way the latching segment of separating of the first arm.
But described bed surface framework be by the head of doubling, tail two parts portal body constitutes by the bed surface hinge is hinged; Described bed surface framework comprises many frame bars that are distributed in around the bed surface, at least the frame bars that is distributed in the bed surface both sides comprises the sidewall relative with bed surface, be equipped with connecting rod by the connecting hole of offering on it on the described sidewall, connecting rod is installed with and sidewall block nut engaged by screw thread away from an end of bed surface, connecting rod is provided with hook portion near an end of bed surface, the edge of described bed surface is provided with and is used for and the corresponding hanging hole that articulates of the hook portion on the described connecting rod, the cross section of described frame bars is the closed circular structure of circle or rectangle, described sidewall is the madial wall of frame bars near bed surface one side, described frame bars comprises the lateral wall away from bed surface one side, the corresponding tooling hole that inserts for instrument that is provided with connecting hole on the described lateral wall.
Described bed surface adopts elastic net cloth.
The technical scheme of Retractive leg bar of the present utility model is: a kind of Retractive leg bar, comprise first bar and second bar that cooperates with the movable sleeve of first bar, first, be provided with the rack-and-pinion engaging mechanism between two bars, the rack-and-pinion engaging mechanism comprises the tooth bar that extends along the length direction of bar that is arranged on first or second bar, rotation is assemblied in the second or first bar inside and gear described tooth bar engagement fit, also be provided with the gear lock locking mechanism on second or first bar at gear place, the gear lock locking mechanism comprises that activity is assemblied in the lock dog that cooperates with described gears to engage and disengage on second or first bar, lock dog be provided be used for gears engaged after the flank of tooth of lock gear, be equipped with between the lock dog and second or first bar order about lock dog towards with the elastic device of the direction of described gears engaged motion, also be provided with the lock dog that is used to the to order about described gear lock locking mechanism release mechanism towards the direction motion that separates with described gear on the described Retractive leg bar, release mechanism is the drawing article for the staff pull operation that is connected on the lock dog.
Comprise in the folding footpost of the present utility model that second arm is the folding footpost of Retractive leg bar, this Retractive leg bar adopts the rack-and-pinion engaging mechanism to move cooperation along leg bar bearing of trend, and employing cooperate with gears engaged can come freely rotating and stopping of control gear by the lock dog of staff pull operation, control the flexible amplitude of expansion link thus.Further, release and locking when can control gear in the Retractive leg bar of a both sides simultaneously by the release mechanism of long stay-supported, and do not need from both sides to spur release respectively, make the length of leg bar regulate simple.
The folding footpost of the utility model folding bed is articulated in bed surface framework both sides respectively, can swing between the first arm of the folding footpost of each group and the bed surface framework and realize its folding, be hinged on second arm and removable being clasped of bed surface framework on the first arm, be convenient to the retractable operation of folding bed.
Further, bed surface of the present utility model is connected with bed frame by connecting rod, connecting rod is provided with adjusting nut away from an end of bed surface, can realize adjusting by turning adjusting nut to the bed surface rate of tension, thereby can regulate the soft durometer of bed surface according to user's needs, and connecting rod is provided with the hook portion that cooperates with hanging hole on the bed surface, is convenient to the dismounting of bed surface; The utility model has solved the problem of subsiding of general bed surface, even long-time the use by the simple adjustment to the bed surface framework, just can make elastic net cloth return to best rate of tension, and regulate very convenient.
Further, bed surface of the present utility model mainly adopts elastic net cloth, make the resilient beam and the good permeability of bed surface, make the people more comfortable when couching, all can use in summer or winter, when reality is made, can select the less and close nylon mesh sofa cloth of mesh for use, this kind cloth has the advantages that elasticity is strong, pulling force is good, and the people can directly be couched, and do not need to install additional in addition mattress, more highlight the characteristics of its good permeability.
Description of drawings
Fig. 1 is the structural representation of the embodiment of folding bed of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view (the bed surface framework does not show) of Fig. 1;
Fig. 4 is the distortion schematic diagram that the head of a bed of the bed among Fig. 1 lifts;
Fig. 5 is the distortion schematic diagram after the bed among Fig. 1 is packed up;
Fig. 6 is the A portion enlarged drawing among Fig. 1;
Fig. 7 is the B portion enlarged drawing among Fig. 1;
Fig. 8 is the partial enlarged drawing of bed surface framework and bed surface coupling part among Fig. 1;
Fig. 9 is the partial top view of connection strap among Fig. 8.
The specific embodiment
As Fig. 1～shown in Figure 7, folding bed of the present utility model comprises that bed surface framework 1, footpost and covering are connected in the bed surface on the bed surface framework 1, bed surface mainly adopts rubber-like eyelet fabric 5, eyelet fabric 5 can be selected commercially available nylon sofa cloth for use, but described bed surface framework 1 is to be made of by bed surface hinge 6 is hinged the head of doubling, tail two parts portal body, and two portal bodies can relatively rotate to be regulated it and connect angle between bed surface.
Footpost comprises the folding footpost 2,3 of both arms that is distributed at the head of a bed, tailstock by hinged two couple of bed surface framework 1 bilateral symmetry.Be by the first arm 21 hinged wherein with bed surface framework 1 near the folding footpost 2 of the both arms of the head of a bed, second arm away from the body of rod of the articulated position of itself and bed surface framework 1 that is hinged on the first arm 21 constitutes, second arm is the Retractive leg bar 22 of adjustable in length, Retractive leg bar 22 away from its end with the articulated position of the first arm be provided with the bed surface framework on alignment pin 10 card of the corresponding setting draw-in groove 23 of joining, described alignment pin 10 is installed on the location-plate 9 that is connected with bed surface framework 1, location-plate 9 is provided with the locker that is used for Retractive leg bar 22 is provided the locking and unlocking, locker is the arc lockhole 91 that is in alignment pin 10 1 sides offered on the plate face by location-plate 9 and constitutes along the lock pin 92 that the arc bearing of trend of lockhole 91 is slidingly matched, arc lockhole 91 be in alignment pin 10 meet notch to the draw-in groove 23 of Retractive leg bar 22 come to a side.On the arc lockhole 91, the bottom hole position is in respectively on the described alignment pin 10, the below, as shown in Figure 6, lock pin 92 can move up and down along the illustrated direction of arrow in arc lockhole 91, when lock pin 92 move in the arc lockhole be in eminence separate latching segment the time, lock pin 92 does not constitute influence to Retractive leg bar 22, the draw-in groove 23 of Retractive leg bar 22 can cooperate with alignment pin 10 clutches freely, when lock pin 92 moves to the lock portion that is in lower in the arc lockhole, when draw-in groove 23 engages with alignment pin 10 simultaneously, lock pin 92 will cooperate the body of rod block of a side of 23 openings of draw-in groove dorsad of Retractive leg bar 22, thereby the end of Retractive leg bar 22 is locked state as shown in Figure 6.
As shown in Figure 3, be coaxially connected with drive shaft 12 between two gear centres on the Retractive leg bar of both sides, the gear of both sides can be rotated synchronously, thereby the collapsing length of the Retractive leg bar of both sides is consistent constantly.Drive shaft 12 in the present embodiment is a stiff shaft, and the transmission drive shaft 12 in other forms of implementation of the present utility model also can be a flexible axle certainly.Be distributed in be connected with between two the first arm 21 bottoms of the folding footpost 2 of a pair of both arms of bed surface both sides be used to prevent the first arm in the upper end the stressed stay cord 13 that tilts when excessive, stay cord 13 two ends are fixed or removable being articulated on the corresponding the first arm.
Also be provided with on the Retractive leg bar 22 and be used to order about the release mechanism of the lock dog 225 of described gear lock locking mechanism towards the direction motion that separates with described gear 224, release mechanism comprises the backguy 227 for the staff pull operation that is connected with lock dog 225, the two ends of the backguy 227 in the present embodiment respectively with a pair of Retractive leg bar of bed surface framework 1 both sides on lock dog be connected, backguy 227 middle parts are arranged between the Retractive leg bar of both sides the backguy extension by pulley 228 commutations that are fixed on the Retractive leg bar, thereby be convenient to people's hand operated and can spur lock dog release on the both sides Retractive leg bar of both sides simultaneously, and do not need from both sides to spur release respectively, the people just can finish the action of regulating the Retractive leg pole length from a side of bed.After the release of pulling lock dog, second bar of Retractive leg bar can be by the rack-and-pinion engaging mechanism and along body of rod sliding extension on first bar, when stretching to appropriate length, unclamping lock dog meshes itself and gear again, the gear stop that is locked, the length adjustment of Retractive leg bar is finished, and is easy to operate.Certainly the release mechanism in other forms of implementation of the present utility model also can be the pulling parts for people's hand operated such as pull bar, draw ring.
The tooth bar of rack-and-pinion engaging mechanism is arranged on first bar between first, second bar that is arranged at the Retractive leg bar in the foregoing description, gear, lock dog and release mechanism are arranged on second bar, certainly in other forms of implementation of the present utility model, the installation site of gear and tooth bar can exchange on first, second bar, be that tooth bar is installed on second bar, and gear, lock dog and release mechanism are arranged on first bar, can finish Retractive leg bar telescopic adjustment equally.
Basic identical near the folding footpost 3 of the both arms of tailstock with the structure of the folding footpost 2 of both arms of the close head of a bed, difference is the first arm of the folding footpost 3 of both arms and the fork that second arm is regular length, also is provided with alignment pin, draw-in groove and the locker of releasable connection between its second arm end and bed surface framework.Be distributed in to be connected with between the first arm of the folding footpost 2,3 of two both arms of bed surface homonymy and be used to the anti-down backguy 11 that prevents that the folding footpost 2 of both arms from changeing to head of a bed rollover, anti-down backguy 11 is tightened between the folding footpost of two both arms, the folding footpost of both arms can not be overturn to the bed outside, and anti-down backguy 11 two ends are fixed or removable being articulated on the corresponding the first arm.
The end of second arm of the folding footpost 2,3 of the both arms in the foregoing description and the releasable connection structure between the bed surface framework are to be arranged at the draw-in groove on second arm and to be arranged at alignment pin, locker on the location-plate on the bed surface framework, certainly in other forms of implementation of the present utility model, the installation site of draw-in groove and alignment pin can exchange, be that alignment pin is installed on second arm, and draw-in groove is installed on the bed surface framework.
By the adjusting of folding footpost of both arms and bed surface framework, folding bed of the present utility model can be done various deformation as required.As shown in Figure 4, after the Retractive leg bar accent length with the folding footpost 2 of both arms, the head of a bed is propped up, can be for the people by lying, anti-down backguy 11 guarantees to make both arms fold not outwards overturning of footpost 2.As shown in Figure 5, second arm of the folding footpost of front and back both arms pulled down from the bed surface framework pack up, bed can be folded into tabular.
As Fig. 8, shown in Figure 9, what constitute bed surface framework 1 is that the cross section is the steel framework bar of rectangle frame, can adopt commercially available angle steel to process, this frame bars has towards the madial wall 52 of bed surface and away from the lateral wall 53 of bed surface, offer connecting hole 54 on the madial wall 52, offer tooling hole 55 on the lateral wall 53.Be fixed with the sleeve pipe 50 that extends along the length direction at eyelet fabric edge by the linear slit mode respectively on each edge around the eyelet fabric 5, sleeve pipe 50 can adopt cloth, plastics or rubber, be fitted with the connection strap 51 that extends along the length direction at corresponding eyelet fabric edge in each sleeve pipe 50 respectively, offer hanging hole 60 on each connection strap 51, hanging hole 60 comprises circular hole 63 and the rectangular opening 64 of the close bed surface framework that communicates with circular hole 63.One end of connecting rod 65 is provided with screw thread, its other end is provided with hook portion, the end of hook portion is provided with circular clamping cap 66, the diameter of clamping cap 66 is less than the diameter of described circular hole 63, connecting rod 65 threaded ends are installed in the frame bars by the connecting hole 54 on the described frame bars madial wall 52 and use adjusting nut 67 clampings, the hook portion of the other end of connecting rod 65 penetrates on the connection strap 51 hanging hole 60 and is connected in the rectangular opening 64, the hook portion of connecting rod 65 is capped under the sleeve pipe 50 and does not influence the attractive in appearance of bed surface, by hanging hole 60 dismounting bed surface easily.
By the 55 insertion instruments of the tooling hole on the frame bars lateral wall 53, turning adjusting nut 67 can make connecting rod 65 move around in the horizontal direction, thereby with eyelet fabric 5 tension or loosen, simultaneously, lateral wall 53 is hidden in the termination of connecting rod 65 in the frame bars, neither influences the unexpected wound of hanging that prevents again attractive in appearance.Because each frame bars of bed surface framework 1 is distributed in around bed horizontal and vertical, thereby can regulate the rate of tension of eyelet fabric 5 on horizontal and vertical by regulating connecting rod 65 on each frame bars.
In the above-described embodiments, described eyelet fabric 5 can also be fixedlyed connected with sleeve pipe 50 by crimping, mode such as bonding, the cross section of described frame bars can also be an annular, only on the two sides around frame bars or three sides connecting rod is set, and can realize the adjusting of bed surface rate of tension equally.
As shown in Figure 7, a kind of embodiment that is applied in the folding bed of Retractive leg bar of the present utility model, in the embodiment of above-mentioned folding bed, have a detailed description, in other forms of implementation of Retractive leg bar of the present utility model, Retractive leg bar and bed surface framework be connected or abutting end also can be joined with bed surface frame supported top or hinged or fixedly connected.
Claims (10)
1. folding bed, comprise the bed surface framework, footpost and covering are connected in the bed surface on the bed surface framework, it is characterized in that: described footpost comprises with the bed surface frame supported or is connected the Retractive leg bar that cooperates, the Retractive leg bar comprises first bar and second bar that cooperates with the movable sleeve of first bar, first, be provided with the rack-and-pinion engaging mechanism between two bars, the rack-and-pinion engaging mechanism comprises the tooth bar that extends along the length direction of bar that is arranged on first or second bar, rotation is assemblied in the second or first bar inside and gear described tooth bar engagement fit, also be provided with the gear lock locking mechanism on second or first bar at gear place, the gear lock locking mechanism comprises that activity is assemblied in the lock dog that cooperates with described gears to engage and disengage on second or first bar, lock dog be provided be used for gears engaged after the flank of tooth of lock gear, be equipped with between the lock dog and second or first bar order about lock dog towards with the elastic device of the direction of described gears engaged motion, also be provided with the lock dog that is used to the to order about described gear lock locking mechanism release mechanism towards the direction motion that separates with described gear on the described Retractive leg bar, release mechanism is the drawing article for the staff pull operation that is connected on the lock dog.
2. folding bed according to claim 1, it is characterized in that: described elastic device be mounted between second bar or first bar and the lock dog, make lock dog be subjected to spring to the close elastic force effect of gear, the two ends of described backguy respectively with a pair of Retractive leg bar of bed surface framework both sides on lock dog be connected, the backguy middle part extends backguy to be arranged between the Retractive leg bar of both sides by being fixed on pulley commutation on the Retractive leg bar.
3. folding bed according to claim 1 is characterized in that: described Retractive leg bar is at least one pair of the Retractive leg bar that is symmetricly set in bed surface framework both sides, is coaxially connected with drive shaft between two gear centres on the two Retractive leg bars of symmetry.
4. according to any described folding bed in the claim 1～3, it is characterized in that: described footpost is to constitute at the folding footpost of two pairs of both arms that the head of a bed, tailstock distribute, the folding footpost of two both arms that constitutes the folding footpost of a pair of both arms is relatively arranged on the both sides of bed surface framework, the folding footpost of each both arms comprises the first arm that is hinged near the bed surface frame mid portion, is hinged on second arm on the first arm, described second arm away from it with the arm body support of the articulated position of the first arm or be connected in the position, close edge of bed surface framework; Second arm of the folding footpost of described at least one both arms is described Retractive leg bar.
5. folding bed according to claim 4 is characterized in that: be connected with between two the first arm bottoms of the folding footpost of the described a pair of both arms that are distributed in the bed surface both sides be used to prevent the first arm in the upper end the stressed stay cord that tilts when excessive.
6. folding bed according to claim 4 is characterized in that: be connected with between the first arm of the folding footpost of described two both arms that are distributed in the bed surface homonymy and be used to the anti-down backguy that prevents that the folding footpost of both arms from changeing to head of a bed rollover.
7. folding bed according to claim 4, it is characterized in that: described second arm and bed surface framework connection structure connecting are the buckle structure of releasable connection, described buckle structure is alignment pin and locating groove, alignment pin is set on one of them of the bed surface framework and second arm, locating groove is set on another; Described alignment pin is arranged on the bed surface framework, locating groove is arranged on second arm, the bed surface framework is fixed with the location-plate of the described alignment pin of assembling, also be provided with locker on the described location-plate, locker is that the movable locking pin that wears constitutes in the locking hole that extends along straight line or arc direction offered on the plate face by location-plate and the locking hole, described locking hole have the engaging of meeting the locating groove on described the first arm that is in locking pin come to a side be used for put in place the lock portion of locking the first arm of locking pin, locking hole also has the locking pin that is used for that is in the lock portion top and puts in place and get out of the way the latching segment of separating of the first arm.
8. according to any described folding bed in the claim 1～3, it is characterized in that: but described bed surface framework be by the head of doubling, tail two parts portal body constitutes by the bed surface hinge is hinged; Described bed surface framework comprises many frame bars that are distributed in around the bed surface, at least the frame bars that is distributed in the bed surface both sides comprises the sidewall relative with bed surface, be equipped with connecting rod by the connecting hole of offering on it on the described sidewall, connecting rod is installed with and sidewall block nut engaged by screw thread away from an end of bed surface, connecting rod is provided with hook portion near an end of bed surface, and the edge of described bed surface is provided with and is used for and the corresponding hanging hole that articulates of the hook portion on the described connecting rod; The cross section of described frame bars is the closed circular structure of circle or rectangle, described sidewall is the madial wall of frame bars near bed surface one side, described frame bars comprises the lateral wall away from bed surface one side, the corresponding tooling hole that inserts for instrument that is provided with connecting hole on the described lateral wall.
9. according to any described folding bed in the claim 1～3, it is characterized in that: described bed surface adopts elastic net cloth.
10. Retractive leg bar, it is characterized in that: comprise first bar and second bar that cooperates with the movable sleeve of first bar, first, be provided with the rack-and-pinion engaging mechanism between two bars, the rack-and-pinion engaging mechanism comprises the tooth bar that extends along the length direction of bar that is arranged on first or second bar, rotation is assemblied in the second or first bar inside and gear described tooth bar engagement fit, also be provided with the gear lock locking mechanism on second or first bar at gear place, the gear lock locking mechanism comprises that activity is assemblied in the lock dog that cooperates with described gears to engage and disengage on second or first bar, lock dog be provided be used for gears engaged after the flank of tooth of lock gear, be equipped with between the lock dog and second or first bar order about lock dog towards with the elastic device of the direction of described gears engaged motion, also be provided with the lock dog that is used to the to order about described gear lock locking mechanism release mechanism towards the direction motion that separates with described gear on the described Retractive leg bar, release mechanism is the drawing article for the staff pull operation that is connected on the lock dog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205216777U CN201790365U (en) | 2010-08-25 | 2010-09-08 | Telescopic leg rod and folding bed using same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020504337 | 2010-08-25 | ||
| CN201020504337.3 | 2010-08-25 | ||
| CN2010205216777U CN201790365U (en) | 2010-08-25 | 2010-09-08 | Telescopic leg rod and folding bed using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201790365U true CN201790365U (en) | 2011-04-13 |
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ID=43845281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205216777U Expired - Fee Related CN201790365U (en) | 2010-08-25 | 2010-09-08 | Telescopic leg rod and folding bed using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201790365U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320227A (en) * | 2017-06-27 | 2017-11-07 | 张阳 | A kind of neck lumbar vertebra rehabilitation treats traction table |
| WO2017211238A1 (en) * | 2016-06-10 | 2017-12-14 | 北京康尔健野旅游用品有限公司 | Ultra-light camping expandable bed |
| CN111150582A (en) * | 2020-02-25 | 2020-05-15 | 赵经燕 | Multifunctional medical sickbed |
-
2010
- 2010-09-08 CN CN2010205216777U patent/CN201790365U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017211238A1 (en) * | 2016-06-10 | 2017-12-14 | 北京康尔健野旅游用品有限公司 | Ultra-light camping expandable bed |
| CN107320227A (en) * | 2017-06-27 | 2017-11-07 | 张阳 | A kind of neck lumbar vertebra rehabilitation treats traction table |
| CN111150582A (en) * | 2020-02-25 | 2020-05-15 | 赵经燕 | Multifunctional medical sickbed |
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