CN2742214Y - Hinge locating mechanism - Google Patents
Hinge locating mechanism Download PDFInfo
- Publication number
- CN2742214Y CN2742214Y CN 200420109413 CN200420109413U CN2742214Y CN 2742214 Y CN2742214 Y CN 2742214Y CN 200420109413 CN200420109413 CN 200420109413 CN 200420109413 U CN200420109413 U CN 200420109413U CN 2742214 Y CN2742214 Y CN 2742214Y
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- Prior art keywords
- positioning
- catch
- revolution
- interior disk
- positioning recess
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Abstract
The utility model relates to a hinge positioning mechanism, comprising a primary connector and a secondary connector. The head of the primary connector is provided with a couple of parallel and spaced outer disc and the head of the secondary connector is provided with an inner disc. A couple of outer discs are fastened at both sides of the inner disc and hinged through a central shaft, and the exterior margin of the inner disc is provided with a positioning notch. The utility model is characterized in that: the positioning notch corresponding to the inner disc is provided with an axial positioning slide block mechanism; the outer disc and the inner disc are provided with a rotary guard sheet and the exterior margin of the rotary guard sheet is provided with the positioning notch corresponding to the inner disc; the rotary guard sheet and the inner disc are provided with an extension spring in a relative rotation direction; the positioning notch of the rotary guard sheet has a phase difference with the positioning notch of the inner disc in a free state; the positioning slide block acts on the positioning notch corresponding to the working end of the rotary guard sheet; one side is provided with a pushing angle and the other side is provided with an inclined surface or a cambered surface. The scheme has simple structure, reliable operation and convenient operation.
Description
Technical field
The utility model relates to the hinged positioning means of a kind of mechanicalness, is specifically related to a kind of hinged positioning means that uses in the common tools such as trestle ladder, scaffold.
Background technique
Trestle ladder is hinged and connected at the top by a left side half ladder and right half ladder usually and constitutes.In actual use, people usually utilize the subtended angle of trestle ladder to change the operation that adapts to different heights.In order to improve the Security that trestle ladder uses under open mode, in hinged place, trestle ladder top design a kind of hinged positioning means is arranged usually, after coincideing, subtended angle and orientation angle fix, and provide a kind of reliable subtended angle to locate with this.In order to increase the function of trestle ladder, people utilize hinged positioning means that a left side half ladder of trestle ladder and the subtended angle of right half ladder are positioned under 180 ° of states equally, constitute the yi shaped ladder structure with this.In the prior art, the hinged positioning means that is used for trestle ladder has a variety of, wherein, with the model utility scheme the most approaching be that a name is called " a kind of joint structure-improved of Folding ladder ", the patent No. is 94207148.4, and notification number is the Chinese utility model patent of CN 2187671 Y.This patent mainly contains two mutual combined housing body sheets; Two inner housing sheets that make up mutually; A saddle combination that constitutes by slide block, slider seat, pressure spring and pin member; One trigger; Several slick and sly posts; Several extension springs; One housing location riveting pin and trigger location riveting pin.Its working principle is: the saddle combination of formations such as slide block, pressure spring is arranged on the frame sheet, and from radially over against inner housing sheet outer rim, relatively rotate in the process at frame sheet and inner housing sheet, utilize spring pressure that slide block is headed in the positioning recess set on the inner housing sheet outer rim, realize lock in place with this.By trigger slide block is released positioning recess during release, utilize the effect of slick and sly post and extension spring to carry out transition supporting then, make frame sheet and inner housing sheet relatively rotate next locating point.Although there are many advantages in above patent scheme, its deficiency is: 1, component are many, the structure more complicated; 2, the cooperation between slick and sly post, Bearing Angle outer rim and the slide block is had relatively high expectations, otherwise influence the reliability that mechanism works.
Summary of the invention
The utility model provides a kind of modified model hinged positioning means, its objective is to simplify the internal structure of an organization, and improves the reliability of work, makes the more convenient to operate of revolution positioning means.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hinged positioning means, comprise first connecting body and second connecting body, the first connecting body head is provided with pair of parallel, outer disc at interval, the second connecting body head is provided with interior disk, a pair of outer disc is clamped in interior disk both sides, and hinged by central shaft; Corresponding positioning corner is provided with positioning recess on the interior disk outer rim; The positioning recess of disk is provided with the axially locating slide block in corresponding, this positioning sliding block one end is located in the slide opening set on the outer disc, the other end passes another outer disc and stretches out through coupling shaft, and external part connects a button, is provided with stage clip between button and the outer disc; Be provided with the revolution catch between above-mentioned outer disc that slide opening is set and the interior disk, this revolution catch is that a disc and relative central shaft are rotationally connected, corresponding interior disk is provided with positioning recess on its outer rim, be provided with extension spring on the direction relatively rotating between revolution catch and the interior disk, the positioning recess that turns round catch has a phase difference with the positioning recess of interior disk under free state; Described positioning sliding block acts on the corresponding positioning recess in working end of revolution catch, and a side is provided with and promotes the angle, and opposite side is provided with inclined-plane or cambered surface.
The related content and the change interpretation of technique scheme are as follows:
1, in the technique scheme, fix in order to guarantee the rotation angle that turns round catch, on the revolution catch is that the center of circle is provided with circular arc corner spacing hole with the central shaft, on the corresponding interior disk projection is set, and projection cooperates the corner limiting structure that constitutes the relative interior disk of revolution catch with the corner spacing hole; And, being provided with rank at interior disk middle part, revolution catch middle part is provided with axis hole, and axis hole cooperates formation to be rotationally connected with the axle rank; Two ends of described corner spacing hole are spacing, and one makes the positioning recess of revolution catch align with the positioning recess of interior disk, and another has a phase difference.
2, in the technique scheme, described first connecting body and second connecting body are put together by left and right two halves sheet.
3, in the technique scheme, the described inner side surface that is installed with the outer disc of coupling shaft is provided with corresponding to positioning sliding block location depression, with the moving direction of further restriction positioning sliding block, reduces radially rocking of positioning sliding block.
4, in the technique scheme, the position corresponding to extension spring on described interior disk and the revolution catch offers extension spring arrangement slotted hole.
The utility model working principle is: utilize the axially locating slide block to match with positioning recess on the interior disk, first connecting body and second connecting body are located on certain angle, and the transition mechanism that utilizes single-revolution catch and extension spring to constitute, finish the transition that is locked to released state.The working procedure of its release and locking is as follows: when locating on certain angle, the positioning recess of revolution catch and the positioning recess of interior disk align, extension spring between revolution catch and interior disk is stretched, and positioning sliding block is in interior disk that axially is inserted in this place and the corresponding positioning recess of revolution catch; During release, be to press button by external force, along axial promotion positioning sliding block, positioning sliding block is released from this positioning recess, and its revolution catch promptly rotates under the effect of extension spring power, and the positioning recess of revolution catch promptly differs out with the positioning recess position of interior disk, at this moment, cancel the external force positioning sliding block and dropped on the revolution catch, become released state, carry out angle adjustment this moment; As this joint is launched, positioning sliding block slides on the revolution catch, when sliding to next positioning recess place of revolution catch, promptly fall into this positioning recess, and turn round catch with its promotion angle drive and together rotate, during next positioning recess place of disk, positioning sliding block falls into positioning recess automatically under the effect of stage clip power, finish the location in this angle in positioning sliding block goes to; When this joint is amounted to, positioning sliding block slides on the revolution catch, when sliding to the former location indent of revolution on the catch, fall into this positioning recess, because of being provided with the inclined-plane on the positioning sliding block, positioning sliding block can not be stuck in this positioning recess, when being rotated further, positioning sliding block can be back to from recess on the revolution catch, continuation is slided on positioning recess, when sliding into the next positioning recess place of revolution catch, promptly falls into this positioning recess, at this moment, some angles of backward rotation again, it promotes angle and drives together backward rotation of revolution catch, in positioning sliding block goes to during next positioning recess place of disk, positioning sliding block falls into positioning recess automatically under the effect of stage clip elastic force, finish the location in this angle.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because the utility model utilizes positioning sliding block from axially locating, reliability of positioning height, difficult drop-off;
2, because the utility model utilizes positioning sliding block from axially locating, one end of its positioning sliding block drives with the button that has stage clip, during operation, only need press button is release, then with regard to the angle between can regulate first connecting body and second connecting body, when adjusting puts in place, positioning sliding block can fall into positioning recess automatically under the stage clip effect, finish the process of position and lock, therefore, the utility model compared with prior art, and is more convenient to operate, quick;
3, the utility model compared with prior art, component number is few, structure is simpler, assembles more conveniently, is suitable for producing in enormous quantities.
Description of drawings
Accompanying drawing 1 is the utility model embodiment three-dimensional exploded view;
Accompanying drawing 2 is embodiment's an adjustment state schematic representation one, represents the folded position of this example among the figure, has removed the right side half sheet of first connecting body for clarity;
Accompanying drawing 8 is that the A-A of accompanying drawing 4 is to sectional view;
Accompanying drawing 9 is that the B-B of accompanying drawing 5 is to sectional view;
Accompanying drawing 11 is for being used in the utility model the schematic representation on the ladder.
In the above accompanying drawing: 1, outer disc; 2, outer disc; 3, interior disk; 4, central shaft; 5, positioning recess; 6, positioning sliding block; 7, slide opening; 8, coupling shaft; 9, button; 10, stage clip; 11, revolution catch; 12, positioning recess; 13, extension spring; 14, inclined-plane; 15, corner spacing hole; 16, projection; 17, axle rank; 18, axis hole; 19, a left side half sheet of first connecting body; 20, the right side half sheet of first connecting body; 21, a left side half sheet of second connecting body; 22, the right side half sheet of second connecting body; 23, slotted hole is settled in extension spring; 24, slotted hole is settled in extension spring; 25, location depression: 26, hinged positioning means.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1, accompanying drawing 10, a kind of hinged positioning means, constitute by first connecting body and second connecting body, above-mentioned first connecting body is put together with the right side half sheet 20 that has outer disc 2 by a left side half sheet 19 that has outer disc 1, outer disc 1 and outer disc 2 are parallel to each other, are oppositely arranged at interval, and second connecting body also is made of a left side half sheet 21 and 22 amalgamations of right half sheet, and its head is provided with interior disk 3, the both sides of disk 3 in outer disc 1 and outer disc 2 are clamped in, and hinged by central shaft 4; Corresponding positioning corner is provided with three positioning recess 5 on interior disk 3 outer rims; The positioning recess 5 of disk 3 is provided with axially locating slide block 6 in corresponding, these positioning sliding block 6 one ends are located in the slide opening set on the outer disc 27, the other end passes outer disc 1 and stretches out through coupling shaft 8, and external part connects a button 9, is provided with stage clip 10 between button 9 and the outer disc 1; Be provided with revolution catch 11 between above-mentioned outer disc 2 and the interior disk 3, this revolution catch 11 is that a disc and relative central shaft 4 are rotationally connected, corresponding interior disk 3 is provided with three positioning recess 12 on its outer rim, be provided with extension spring 13 on the direction relatively rotating between revolution catch 11 and the interior disk 3, there is a phase difference location recessed 12 of turning round catch 11 with the positioning recess 5 of interior disk 3 under free state; Corresponding positioning recess 12, one sides in working end that described positioning sliding block 6 acts on revolution catch 11 are provided with the promotion angle, and opposite side is provided with inclined-plane 14; On the revolution catch 11 is that the center of circle is provided with circular arc corner spacing hole 15 with central shaft 4, and projection 16 is set on the corresponding interior disk 3, and projection 16 cooperates with corner spacing hole 15 and constitutes the revolution catch 11 corner limiting structure of internal disk 3 mutually; Disk 3 middle parts are provided with rank 17 in described, and revolution catch 11 middle parts are provided with axis hole 18, and axis hole 18 cooperates formation to be rotationally connected with axle rank 17; Two ends of described corner spacing hole 15 are spacing, and one makes the positioning recess 12 of revolution catch 11 align with the positioning recess 5 of interior disk 3, and another has a phase difference.The inner side surface of above-mentioned outer disc 1 is provided with corresponding to positioning sliding block location depression 25, with the moving direction of further restriction positioning sliding block 6, reduces radially rocking of positioning sliding block 6; Position corresponding to extension spring 13 on interior disk 3 and the revolution catch 11 offers extension spring arrangement slotted hole 23,24.
Present embodiment has the positioning states of three kinds of angles, its adjustment process is as follows: the folded position in this joint, as shown in Figure 2, extension spring 13 is a free state, its positioning sliding block 6 is positioned on the revolution catch 11, when the joint is launched to adjust, positioning sliding block 6 slides on revolution catch 11 around central shaft 4, when sliding into first positioning recess 12 places of revolution catch 11, shown in accompanying drawing 3, positioning sliding block 6 falls into this recess 12, at this moment, continue to launch the joint again, the promotion angle on the positioning sliding block 6 will drive the pulling force that revolution catch 11 overcomes extension spring and together rotate; During first positioning recess 5 places in turning on the disk 3, shown in accompanying drawing 4, positioning sliding block 6 snaps in this positioning recess 5 under stage clip 10 effects, finishes first kind of location on the angle.If when wanting release, press button 9, positioning sliding block 6 pushed away first positioning recess 5 and recess 12 forward with external force, shown in accompanying drawing 5, revolution catch 11 can reset rapidly under the tension of extension spring, at this moment, cancels external force, positioning sliding block 6 has dropped on again on the revolution catch 11, be released state, continue the joint is launched, as above-mentioned process, can be adjusted to second kind of angular positioning and the third angular positioning on demand, referring to accompanying drawing 6 and accompanying drawing 7.
Claims (4)
1, a kind of hinged positioning means, comprise first connecting body and second connecting body, the first connecting body head is provided with pair of parallel, outer disc [1,2] at interval, and the second connecting body head is provided with interior disk [3], a pair of outer disc [1,2] is clamped in interior disk [3] both sides, and hinged by central shaft [4]; Corresponding positioning corner is provided with positioning recess [5] on interior disk [3] outer rim; It is characterized in that: the positioning recess [5] of disk [3] is provided with axially locating slide block [6] in corresponding, these positioning sliding block [6] one ends are located in an outer disc [2] and go up in the set slide opening [7], the other end passes another outer disc [1] and stretches out through coupling shaft [8], external part connects a button [9], is provided with stage clip [10] between button [9] and the outer disc [1]; Be provided with revolution catch [11] between above-mentioned outer disc [2] that slide opening [7] are set and the interior disk [3], this revolution catch [11] is that a disc and relative central shaft [4] are rotationally connected, corresponding interior disk [3] is provided with positioning recess [12] on its outer rim, be provided with extension spring [13] on the direction relatively rotating between revolution catch [11] and the interior disk [3], the positioning recess [12] that turns round catch [11] has a phase difference with the positioning recess [5] of interior disk [3] under free state; Described positioning sliding block [6] acts on the corresponding positioning recess [12] in working end of revolution catch [11], and a side is provided with and promotes the angle, and opposite side is provided with inclined-plane [14] or cambered surface.
2, hinged positioning means according to claim 1, it is characterized in that: it is that the center of circle is provided with circular arc corner spacing hole [15] that described revolution catch [11] is gone up with central shaft [4], on the interior disk [3] of correspondence projection [16] is set, projection [16] cooperates to constitute with corner spacing hole [15] turns round catch [11] the corner limiting structure of internal disk [3] mutually.
3, hinged positioning means according to claim 2 is characterized in that: described interior disk [3] middle part is provided with rank [17], and revolution catch [11] middle part is provided with axis hole [18], and axis hole [18] cooperates formation to be rotationally connected with axle rank [17]; Two ends of described corner spacing hole [15] are spacing, and one makes the positioning recess [12] of revolution catch [11] align with the positioning recess [5] of interior disk [3], and another has a phase difference.
4, hinged positioning means according to claim 1 is characterized in that: described first connecting body and second connecting body are put together by left and right two halves sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109413 CN2742214Y (en) | 2004-12-03 | 2004-12-03 | Hinge locating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109413 CN2742214Y (en) | 2004-12-03 | 2004-12-03 | Hinge locating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2742214Y true CN2742214Y (en) | 2005-11-23 |
Family
ID=35477683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420109413 Expired - Fee Related CN2742214Y (en) | 2004-12-03 | 2004-12-03 | Hinge locating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2742214Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042733B (en) * | 2009-10-13 | 2012-10-31 | 河南新飞电器有限公司 | Double-door freezer with multi-directional opening door bodies and four-door freezer with multi-directional opening door bodies |
| CN102953673A (en) * | 2012-10-26 | 2013-03-06 | 钟华 | Self-locking dual-purpose ladder hinge |
| CN107435518A (en) * | 2017-08-22 | 2017-12-05 | 苏州飞华铝制工业有限公司 | A kind of hinge locating mechanism for being easy to unblock to operate |
| CN107762395A (en) * | 2017-11-23 | 2018-03-06 | 朱文云 | Multipurpose ladder |
| CN110030256A (en) * | 2019-05-27 | 2019-07-19 | 福州大学 | The more detent linkages of pressure-rotary and its detent method |
| CN110319111A (en) * | 2019-08-09 | 2019-10-11 | 福州大学 | A kind of more detent linkages of bolt-type and its working method |
| CN113422205A (en) * | 2021-08-23 | 2021-09-21 | 星展测控科技股份有限公司 | Locating part, every single move stop gear and move and lead to antenna in motion |
-
2004
- 2004-12-03 CN CN 200420109413 patent/CN2742214Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042733B (en) * | 2009-10-13 | 2012-10-31 | 河南新飞电器有限公司 | Double-door freezer with multi-directional opening door bodies and four-door freezer with multi-directional opening door bodies |
| CN102953673A (en) * | 2012-10-26 | 2013-03-06 | 钟华 | Self-locking dual-purpose ladder hinge |
| CN102953673B (en) * | 2012-10-26 | 2016-01-20 | 钟华 | self-locking dual-purpose ladder hinge |
| CN107435518A (en) * | 2017-08-22 | 2017-12-05 | 苏州飞华铝制工业有限公司 | A kind of hinge locating mechanism for being easy to unblock to operate |
| CN107762395A (en) * | 2017-11-23 | 2018-03-06 | 朱文云 | Multipurpose ladder |
| CN110030256A (en) * | 2019-05-27 | 2019-07-19 | 福州大学 | The more detent linkages of pressure-rotary and its detent method |
| CN110030256B (en) * | 2019-05-27 | 2024-01-30 | 福州大学 | Pressure-rotation type multi-clamping-position hinge mechanism and clamping method thereof |
| CN110319111A (en) * | 2019-08-09 | 2019-10-11 | 福州大学 | A kind of more detent linkages of bolt-type and its working method |
| CN113422205A (en) * | 2021-08-23 | 2021-09-21 | 星展测控科技股份有限公司 | Locating part, every single move stop gear and move and lead to antenna in motion |
| CN113422205B (en) * | 2021-08-23 | 2021-12-03 | 星展测控科技股份有限公司 | Locating part, every single move stop gear and move and lead to antenna in motion |
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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: 20051123 Termination date: 20131203 |