CN204984248U - Flexible foot hasp guiding mechanism - Google Patents
Flexible foot hasp guiding mechanism Download PDFInfo
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- CN204984248U CN204984248U CN201520641584.0U CN201520641584U CN204984248U CN 204984248 U CN204984248 U CN 204984248U CN 201520641584 U CN201520641584 U CN 201520641584U CN 204984248 U CN204984248 U CN 204984248U
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- pin
- telescopic leg
- locating hole
- flexible member
- draw ring
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Abstract
The utility model provides a flexible foot hasp guiding mechanism, is including seting up locating hole (11) on flexible foot (1) and corresponding hasp (21) of installing on fixed foot (2), its characterized in that: locating hole (11) are listed as the locating hole for two of parallel, and two are listed as locating hole (11) dislocation on the length direction of flexible foot (1), hasp (21) comprise support (211), first round pin (212), an elastic element (213), second round pin (214), the 2nd elastic element (215) and a pull ring (216), first round pin (212) and second round pin (214) constitutes the lock -out state with locating hole (11) cooperation in turn, the head that can be made first round pin (212) and second round pin (214) by external force pulling pull ring (216) withdraws from locating hole (11) unblock. The utility model discloses many, the convenient operation of adjustment gear is and locking reliability height.
Description
Technical field
The utility model relates to ladder, scaffold, workbench field, is specifically related to the telescopic leg snap close guiding mechanism of ladder, scaffold, workbench.
Background technology
In order to adapt to the situations such as ground out-of-flatness, the foot of ladder, scaffold, workbench is often designed to telescopic leg structure, namely by the embedded telescopic leg of a fixing feet, telescopic leg along the length direction sliding extension of fixing feet, and can be realized the locking of the telescopic location of the relative fixing feet of telescopic leg by a locking mechanism.
Prior art can be the utility model patent of CN202157739U see Chinese patent notification number.Which disclose a kind of Tripodal extension ladder, its telescopic leg structure is made up of sleeve pipe (i.e. fixing feet), telescopic leg and hook pin detent mechanism, be slidably connected in telescopic leg threading, hook pin detent mechanism is made up of hook-shaped pin, flexible member and multiple locating hole, locating hole becomes row to be opened in telescopic leg, hook-shaped pin tail end is articulated with on sleeve pipe, and flexible member acts on hook-shaped pin, makes the head of hook-shaped pin stretch in sleeve pipe to insert with locating hole and coordinate.This scheme has the following disadvantages: one is that regulation stall is on the low side, its gear number be determined by the spacing of locating hole and the number of openings because between Kong Yukong must between be separated with certain distance, result in the on the low side of the gear of adjustment; Two is troublesome poerations, the released state needing people's hand operation to keep the head of hook-shaped pin to extract from locating hole when elongating telescopic leg, and namely need hand steered a hook-shaped pin to keep released state, another pulls and pulls out telescopic leg.
Summary of the invention
The utility model object is to provide a kind of telescopic leg snap close guiding mechanism, solves in prior art the problem that there is the less and troublesome poeration of regulation stall.
For achieving the above object, the technical solution adopted in the utility model is: a kind of telescopic leg snap close guiding mechanism, comprise and be opened in locating hole in telescopic leg and correspondence and be arranged on snap close in fixing feet, described locating hole is two parallel row locating holes, often row locating hole is arranged along the length direction of telescopic leg, and two row locating holes misplace on the length direction of telescopic leg;
Described snap close is made up of bearing, the first pin, the first flexible member, the second pin, the second flexible member and a draw ring, described bearing is fixed in fixing feet, described first pin and the second pin are movably set on bearing mutually side by side, described first flexible member acts on the first pin, described second flexible member acts on the second pin, the head of the first pin is embedded with a row locating hole coordinate, the head of the second pin embeds with another row locating hole and coordinates, and described first pin and second is sold alternately to coordinate with locating hole and formed lock-out state; Described draw ring is the annular of open loop, and its one end is located by connecting in the first pin, and its other end is located by connecting in the second pin, pulls draw ring that the head of the first pin and the second pin can be made to exit locating hole unlock by external force;
The head of described first pin and the head of the second pin are equipped with the upper-side hole of locating hole along the sliding bevel coordinated, when telescopic leg is pulled out downwards from fixing feet, coordinate through the upper gaging hole edge of the first pin or the second sliding bevel sold and locating hole, the head of the first pin or the second pin automatically can exit locating hole and unlock.
In such scheme, also comprise an extension spring, this extension spring is located at the inside of telescopic leg along telescopic leg length direction, and lower end is located by connecting in telescopic leg, and its upper end is stretched out from the upper end of telescopic leg and is located by connecting with fixing feet, the active force of extension spring forces in telescopic leg retraction fixing feet.
In such scheme, the connecting wall that described bearing comprises two relative sidewalls and is connected between two side, described first pin and the second pin are parallel to sidewall and are arranged between two side, described two side respectively offers the long slot bore being parallel to the first pin length direction, described draw ring one end penetrates the long slot bore of sidewall in the lateral of a sidewall, the other end penetrates the long slot bore of another sidewall in the lateral of another sidewall, the upper end opens corresponding to draw ring of described first pin has the first patchhole, and the other end that described second pin corresponds to draw ring also offers the second patchhole, one end of described draw ring is inserted the first patchhole and is formed being located by connecting of selling with first, the other end of described draw ring is inserted the second patchhole and is formed being located by connecting of selling with second.
In such scheme, described first flexible member and the second flexible member are stage clip, and first flexible member one end is against the tail end of the first pin, and the other end is against on described connecting wall inner face, second flexible member one end is against the tail end of the second pin, and the other end is also against on described connecting wall inner face.
Be compared with the prior art, the utility model has the following advantages:
1, because the utility model adopts two row locating holes to misplace on telescopic leg length direction layout, and be provided with in snap close coordinate respectively with two row locating holes first sell and second to sell, make more than numbers of gear steps can double.
2, because the utility model first is sold and the setting of sliding bevel of the head of the second pin, making telescopic leg from fixing feet, pull out (i.e. foot's elongation) time can unlock voluntarily, and operator need not operate snap close draw ring always, ease of use increase.
3, because the utility model adopts the embedding of locating hole and the first pin and the second pin to coordinate locking, than the locking of rack buckle claw, its locking reliability is higher.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the ladder of application the utility model embodiment;
Fig. 2 is the structural representation one of the utility model embodiment, and this figure is the state that fixing feet is taken apart mutually with telescopic leg;
Fig. 3 is the structural representation two of the utility model embodiment, and this figure is the state that fixing feet is taken apart mutually with telescopic leg;
Fig. 4 is the telescopic leg of the utility model embodiment and the schematic diagram of the combined state of fixing feet;
Fig. 5 is the telescopic leg of the utility model embodiment and the cross section schematic diagram of the combined state of fixing feet.
In above accompanying drawing: 1, telescopic leg; 11, locating hole; 2, fixing feet; 21, snap close; 211, bearing; 2111, sidewall; 2112, sidewall; 2113, connecting wall; 212, the first pin; 2121, sliding bevel; 2122, the first patchhole; 213, the first flexible member; 214, the second pin; 2141, sliding bevel; 2142, the second patchhole; 215, the second flexible member; 216, draw ring; 3, extension spring; 4, sheet is stepped on.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: as shown in Fig. 1 ~ Fig. 5:
A kind of telescopic leg snap close guiding mechanism, comprises and is opened in locating hole 11 in telescopic leg 1 and correspondence and is arranged on snap close 21 in fixing feet 2.
Described telescopic leg 1 is slided along its length and is embedded in fixing feet 2.
Described locating hole 11 is two parallel row locating holes, and often row locating hole 11 is arranged along the length direction of telescopic leg 1, and two row locating holes 11 misplace on the length direction of telescopic leg 1, see Fig. 2 and Fig. 5.
Described snap close 21 is by bearing 211, first pin 212, first flexible member 213, second pin 214, second flexible member 215 and a draw ring 216 form, described bearing 211 is fixed in fixing feet 2, described first pin 212 and the second pin 214 phase are movably set on bearing 211 side by side, described first flexible member 213 acts on the first pin 212, described second flexible member 215 acts on the second pin 214, the head of the first pin 212 is embedded with a row locating hole 11 coordinate, the head of the second pin 214 embeds with another row locating hole 11 and coordinates, described first pin 212 and the second pin 214 alternately coordinate with locating hole 11 and form lock-out state.Described draw ring 216 is the annular of open loop, and its one end is located by connecting in the first pin 212, and its other end is located by connecting in the second pin 214, pulls draw ring 216 that the head of the first pin 212 and the second pin 214 can be made to exit locating hole 11 unlock by external force.
The head of described first pin 212 and the head of the second pin 214 are equipped with the upper-side hole of locating hole 11 along the sliding bevel 2121,2141 coordinated, when telescopic leg 1 is pulled out downwards from fixing feet 2, through the sliding bevel of the first pin 212 or the second pin 214 and the upper gaging hole of locating hole 11 along coordinating, the head of the first pin 212 or the second pin 214 can exit locating hole (11) unblock automatically.
The present embodiment gear is many, and it is easy to operate, particularly when namely needs pull-out telescopic leg 1(adjusts long ladder pin) time, as long as step on stepping on sheet 4 of telescopic leg 1 bottom outside to lift ladder, drive in fixing feet 1 and move, coordinate i.e. automatic unlocking by the first pin 212 or the sliding bevel of the second pin 214 with the upper gaging hole edge of locating hole 11, after moving into place, the first pin 212 or the second pin 214 automatically stretch into again in locating hole 11 and lock.
The present embodiment also comprises an extension spring 3, this extension spring 3 is located at the inside of telescopic leg 1 along telescopic leg 1 length direction, lower end is located by connecting in telescopic leg 1, and its upper end is stretched out from the upper end of telescopic leg 1 and is located by connecting with fixing feet 2, and the active force of extension spring 3 forces in telescopic leg 1 retraction fixing feet 2.When namely telescopic leg 1 retraction fixing feet 2(being adjusted short ladder pin), unlock as long as pull draw ring 216, telescopic leg 1 can under the effect of extension spring 3 in retraction fixing feet once 2, easy to operate, fast.
Shown in Figure 5, the connecting wall 2113 that described bearing 211 comprises two relative sidewalls 2111,2112 and is connected between two side, described first pin 212 and the second pin 214 are parallel to sidewall and are arranged between two side 2111,2112, described two side 2111, the long slot bore being parallel to the first pin length direction is respectively offered on 2112, described draw ring 216 one end penetrates the long slot bore of sidewall in the lateral of a sidewall, the other end penetrates the long slot bore of another sidewall in the lateral of another sidewall, the end opens described first pin 212 corresponding to draw ring has the first patchhole 2122, and the other end that described second pin 214 corresponds to draw ring also offers the second patchhole 2142, one end of described draw ring 216 is inserted the first patchhole 2122 and is formed and being located by connecting of the first pin 212, the other end of described draw ring 216 is inserted the second patchhole 2142 and is formed and being located by connecting of the second pin 214.Specifically, described first flexible member 213 and the second flexible member 215 are stage clip, first flexible member 213 one end is against the tail end of the first pin 212, the other end is against on described connecting wall 2113 inner face, second flexible member 215 one end is against the tail end of the second pin 214, and the other end is also against on described connecting wall 2113 inner face.In reality, described first flexible member 213 and the second flexible member 215 can adopt other elastic components, as extension spring, spring leaf etc.
Above-mentioned is citing, and the telescopic leg snap close guiding mechanism of the present embodiment described in reality is also applicable on the device such as workbench, scaffold.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (4)
1. a telescopic leg snap close guiding mechanism, comprises and is opened in locating hole (11) in telescopic leg (1) and correspondence and is arranged on snap close (21) in fixing feet (2), it is characterized in that:
Described locating hole (11) is two parallel row locating holes, and often row locating hole (11) is arranged along the length direction of telescopic leg (1), and two row locating holes (11) misplace on the length direction of telescopic leg (1);
Described snap close (21) is by bearing (211), first pin (212), first flexible member (213), second pin (214), second flexible member (215) and a draw ring (216) composition, described bearing (211) is fixed in fixing feet (2), described first pin (212) and the second pin (214) are movably set on bearing (211) mutually side by side, described first flexible member (213) acts on the first pin (212), described second flexible member (215) acts on the second pin (214), the head of the first pin (212) is embedded with a row locating hole (11) coordinate, the head of the second pin (214) embeds with another row locating hole (11) and coordinates, described first pin (212) and the second pin (214) replace to coordinate with locating hole (11) and form lock-out state, the annular that described draw ring (216) is open loop, its one end is located by connecting in the first pin (212), its other end is located by connecting in the second pin (214), pulls draw ring (216) that the head of the first pin (212) and the second pin (214) can be made to exit locating hole (11) unlock by external force,
The head of described first pin (212) and the head of the second pin (214) are equipped with the upper-side hole of locating hole (11) along the sliding bevel (2121,2141) coordinated, when telescopic leg (1) is pulled out downwards from fixing feet (2), coordinate through the upper gaging hole edge of the first sliding bevel and locating hole (11) selling (212) or the second pin (214), the head of the first pin (212) or the second pin (214) can exit locating hole (11) unblock automatically.
2. telescopic leg snap close guiding mechanism according to claim 1, it is characterized in that: also comprise an extension spring (3), this extension spring (3) is located at the inside of telescopic leg (1) along telescopic leg (1) length direction, lower end is located by connecting in telescopic leg (1), and its upper end is stretched out from the upper end of telescopic leg (1) and is located by connecting with fixing feet (2), the active force of extension spring (3) forces in telescopic leg (1) retraction fixing feet (2).
3. telescopic leg snap close guiding mechanism according to claim 1, it is characterized in that: the connecting wall (2113) that described bearing (211) comprises two relative sidewalls (2111,2112) and is connected between two side, described first pin (212) and second is sold (214) and is parallel to sidewall and is arranged between two side (2111,2112), described two side (2111, 2112) long slot bore being parallel to the first pin length direction is respectively offered on, described draw ring (216) one end penetrates the long slot bore of sidewall in the lateral of a sidewall, the other end penetrates the long slot bore of another sidewall in the lateral of another sidewall, the upper end opens corresponding to draw ring of described first pin (212) has the first patchhole (2122), and described second pin (214) also offers the second patchhole (2142) corresponding to the other end of draw ring, one end of described draw ring (216) is inserted the first patchhole (2122) formation and is sold being located by connecting of (212) with first, the other end of described draw ring (216) is inserted the second patchhole (2142) formation and is sold being located by connecting of (214) with second.
4. telescopic leg snap close guiding mechanism according to claim 3, it is characterized in that: described first flexible member (213) and the second flexible member (215) are stage clip, first flexible member (213) one end is against the tail end of the first pin (212), the other end is against on described connecting wall (2113) inner face, second flexible member (215) one end is against the tail end of the second pin (214), and the other end is also against on described connecting wall (2113) inner face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641584.0U CN204984248U (en) | 2015-08-24 | 2015-08-24 | Flexible foot hasp guiding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641584.0U CN204984248U (en) | 2015-08-24 | 2015-08-24 | Flexible foot hasp guiding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984248U true CN204984248U (en) | 2016-01-20 |
Family
ID=55118627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520641584.0U Active CN204984248U (en) | 2015-08-24 | 2015-08-24 | Flexible foot hasp guiding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041196A (en) * | 2015-08-24 | 2015-11-11 | 苏州飞华铝制工业有限公司 | Stretching foot lock catch adjusting mechanism |
| CN105804634A (en) * | 2016-05-13 | 2016-07-27 | 苏州飞华铝制工业有限公司 | Ladder foot with retractable supporting structure of ladder |
-
2015
- 2015-08-24 CN CN201520641584.0U patent/CN204984248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041196A (en) * | 2015-08-24 | 2015-11-11 | 苏州飞华铝制工业有限公司 | Stretching foot lock catch adjusting mechanism |
| CN105804634A (en) * | 2016-05-13 | 2016-07-27 | 苏州飞华铝制工业有限公司 | Ladder foot with retractable supporting structure of ladder |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |