CN2839540Y - Expansion legs lock catch device - Google Patents
Expansion legs lock catch device Download PDFInfo
- Publication number
- CN2839540Y CN2839540Y CN 200520019411 CN200520019411U CN2839540Y CN 2839540 Y CN2839540 Y CN 2839540Y CN 200520019411 CN200520019411 CN 200520019411 CN 200520019411 U CN200520019411 U CN 200520019411U CN 2839540 Y CN2839540 Y CN 2839540Y
- Authority
- CN
- China
- Prior art keywords
- pedestal
- operation spanner
- snap close
- hinge pin
- telescopic 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 - Lifetime
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- Ladders (AREA)
Abstract
The utility model discloses an expansion leg lock catch device which comprises a base, an operation spanner pivoted to the base and a lock catch with teeth. The utility model has the improvement that the lock catch with teeth is positioned in the base, and one end of the lock catch is coaxially sheathed with a hinge pin shaft which is fixedly connected with one end of the operation spanner; the hinge pin shaft is inserted into a hinge pin hole of the base, and has moveable gap in the axial direction; the other end of the operation spanner is fixedly connected with an inserted pin which passes through the other end of the lock catch with teeth after entering the base; an inserted pin positioning hole is arranged in the wall of the base. The utility model facilitates the height regulation of ladders, scaffolds and workbenches, and the utility model can position the inserted pin simultaneously. Therefore, the utility model is more convenient and compact. Meanwhile, the inserted pin can be positioned reliably after adjusted by the operation spanner.
Description
Technical field
The utility model relates to a kind of telescopic mounting that supports footing, especially a kind of architecture advances of telescopic leg locker.
Background technology
Ladder is the instrument of ascending a height that people use always, in order to adapt to climbing height change within the specific limits, the wire ladder that has a kind of footing height to regulate at present.This terraced pillar lower end is fitted with the telescopic leg of spline-simulating, and the telescopic leg locker is equipped with at the orlop that is connected with the pillar two ends of marking time respectively.The pedestal of this device is fixed on the termination of marking time, and is hinged with the snap close lever above, and an end of snap close lever is and the band tooth snap close of telescopic leg tooth bar engagement that the other end is the operation spanner.When switching operation spanner, the snap close tooth breaks away from the engagement with the telescopic leg tooth bar, therefore can regulate the height of ladder along pillar pull telescopic leg; When the operation spanner resetted, the snap close tooth recovered and telescopic leg tooth bar position engaged, with the telescopic leg locking of adjusting.In addition, on pedestal, also be hinged with the spanner locator card, regulate the ladder height after, pull down locator card, can withstand the operation spanner, it can not be rotated, thereby prevents snap close tooth accidental release.
Practice shows, no matter more than existing wire ladder telescopic leg locker is the switching mechanism of operation spanner, and the location structure after still regulating all exists and remains improvements.
Summary of the invention
The purpose of this utility model is: by architecture advances, propose that a kind of switching operation is more flexible, the more reliable telescopic leg locker in location behind the snap close.
In order to reach above purpose, telescopic leg locker of the present utility model comprises that pedestal, hinge are contained in operation spanner and the band tooth snap close on the pedestal, its improvements are that described band tooth snap close is arranged in pedestal, and an end coaxial package is on the hinge pin axle that is connected with operation spanner one end; Described hinge pin axle is inserted in the hinge pin hole of pedestal, axially leaves mobile space; The other end of described operation spanner is fixed with latch, after described latch enters in the pedestal, passes the other end of band tooth snap close, is shaped on fastening hole on the described pedestal wall.
In the use, have only and pull the operation spanner vertically, make deviate from the fastening hole of latch from the pedestal wall after, just can switching operate spanner, drive band tooth snap close does to rotate with the width of cloth in the same way thereupon, break away from the position of engagement with the telescopic leg tooth bar, thereby pull telescopic leg is easily regulated height; After adjustment finished, the operation spanner resetted, the engaging lock allocation of the telescopic leg tooth bar after band tooth snap close enters and regulates, and forward operation spanner vertically again, latch will insert the fastening hole on the pedestal wall, and the operation spanner is located.This shows, compare that the adjusting processing ease of the utility model ladder height is grasped with existing like product, and accomplish without any letup with the latch location action, therefore more simple and convenient, the location of latch is very reliable simultaneously, can guarantee the safe location after operating spanner regulates.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 a, Fig. 1 b are all the structural representation of an embodiment of the utility model.Wherein Fig. 1 b removes 6, No. 7 parts among Fig. 1 a, so that more clearly display structure concerns.
Fig. 2 a, Fig. 2 b are the left view of Fig. 1 embodiment.Wherein the latch of Fig. 2 a is inserted in the pin hole, and the latch of Fig. 2 b breaks away from pin hole.
Fig. 3 is installed in perspective view on the wire ladder for Fig. 1 embodiment.
Fig. 4 a, Fig. 4 b are respectively the structural representation that Fig. 1 embodiment band tooth snap close is in locking and released state.
The specific embodiment
The telescopic leg locker of present embodiment is installed on the wire ladder and uses as depicted in figs. 1 and 2.The both sides of pedestal 1 are shaped on the rivet hole of fixedlying connected with the termination 7 of marking time with pillar respectively.The hinge pin axle 4 on pedestal 1 top is fixed with one with the upper end of operation spanner 6, is supported on the side and is on pedestal 1 two side of a shape, and the middle part is set with the band tooth snap close 2 that is arranged in pedestal 1.As seen from Figure 2, hinge pin axle 4 is inserted in the hinge pin hole of pedestal 1, axially leaves mobile space.And, be with on the hinge pin axle 4 make the operation spanner recover the torsion spring 3 of snap close position automatically.The lower end and the latch 5 of operation spanner 6 are solidly fixed, and after this latch 5 enters pedestal 1 sidewall that has mounting hole, pass the prong of band tooth snap close 2 lower ends, facing to the fastening hole on pedestal 1 another sidewall.
During assembling, as shown in Figure 3, two pedestals are separately fixed at the undermost two ends of marking time of pillar, promptly are fixed on the corner that the pillar and the first order are marked time.When ejecting the operation spanner vertically, deviate from the fastening hole of latch from the pedestal wall, spanner is operated in switching freely afterwards, make band tooth snap close do to rotate with the width of cloth in the same way thereupon, break away from the position of engagement (referring to Fig. 4) with the telescopic leg tooth bar, and then can change the height of ladder as required by the extension elongation of regulating telescopic leg.After adjustment finished, the operation spanner automatically reset under the effect of torsion spring, the latched position of the telescopic leg tooth bar engagement after band tooth snap close enters and regulates, and this moment is the forward operation spanner vertically, and latch just inserts the fastening hole on the pedestal wall.
Compare with existing like product, the wire ladder telescopic leg locker of present embodiment has following advantage:
1, because the operation spanner rotates with the width of cloth in the same way with band tooth snap close, therefore handles control easily;
2, torsion spring has not only been realized automatically reseting of operation spanner, and makes good hand touch when controlling;
3, the latch location is safe reliable.
In addition to the implementation, the utility model can also have other embodiments.For example, the telescopic leg locker is installed on scaffold, the operation post, or the like.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the protection domain of the utility model requirement.
Claims (4)
1. a telescopic leg locker comprises pedestal, and hinge is contained in operation spanner and the band tooth snap close on the pedestal, and it is characterized in that: described band tooth snap close is arranged in pedestal, and an end coaxial package is on the hinge pin axle that is connected with operation spanner one end; Described hinge pin axle is inserted in the hinge pin hole of pedestal, axially leaves mobile space, and the other end of described operation spanner is fixed with latch, after described latch enters in the pedestal, passes the other end of band tooth snap close; Be shaped on fastening hole on the described pedestal wall.
2. telescopic leg locker according to claim 1 is characterized in that: described hinge pin axle is fixed with one with the upper end of operation spanner, is supported on the side and is on the pedestal two side of a shape, and the middle part is set with the band tooth snap close that is arranged in pedestal.
3. telescopic leg locker according to claim 2 is characterized in that: be with on the described hinge pin axle make the operation spanner recover the torsion spring of snap close position automatically.
4. according to claim 1,2 or 3 described telescopic leg lockers, it is characterized in that: the lower end and the latch of described operation spanner are solidly fixed, and after described latch enters the pedestal sidewall that has mounting hole, pass the prong of band tooth snap close lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019411 CN2839540Y (en) | 2005-05-12 | 2005-05-12 | Expansion legs lock catch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520019411 CN2839540Y (en) | 2005-05-12 | 2005-05-12 | Expansion legs lock catch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2839540Y true CN2839540Y (en) | 2006-11-22 |
Family
ID=37427524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520019411 Expired - Lifetime CN2839540Y (en) | 2005-05-12 | 2005-05-12 | Expansion legs lock catch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2839540Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208456A (en) * | 2015-09-04 | 2017-09-26 | 碧卡株式会社 | Retractor device |
-
2005
- 2005-05-12 CN CN 200520019411 patent/CN2839540Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208456A (en) * | 2015-09-04 | 2017-09-26 | 碧卡株式会社 | Retractor device |
| CN107208456B (en) * | 2015-09-04 | 2019-07-05 | 碧卡株式会社 | Telescopic device |
| US10697238B2 (en) | 2015-09-04 | 2020-06-30 | Pica Corp. | Telescopic device |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150512 Granted publication date: 20061122 |