CN219035302U - Base two-channel locking mechanism - Google Patents
Base two-channel locking mechanism Download PDFInfo
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- CN219035302U CN219035302U CN202223558723.2U CN202223558723U CN219035302U CN 219035302 U CN219035302 U CN 219035302U CN 202223558723 U CN202223558723 U CN 202223558723U CN 219035302 U CN219035302 U CN 219035302U
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- fixing piece
- locking pin
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Abstract
The utility model relates to the field of locking parts, and particularly discloses a base secondary locking mechanism which comprises a left rotating part, a right rotating part, a plurality of rotating connecting pieces, a handle, a rotating jacking block, a lock tongue fixing piece and a rotating shaft, wherein the rotating connecting pieces are fixedly connected with the left rotating part and the right rotating part; the handle is arranged at one end of the rotary top block; the spring bolt fixing piece and the rotating connecting piece are pivoted on the rotating shaft, and the rotating jacking block is arranged in the accommodating cavity of the spring bolt fixing piece; the adjacent rotating connecting sheets are respectively provided with a first locking pin groove and a second locking pin groove; a locking pin fixing piece is elastically arranged in the accommodating cavity in a sliding manner, and a locking pin column is fixed on the locking pin fixing piece; the rotary ejector block is in transmission connection with the lock pin fixing piece; the handle is rotated to drive the lockpin to be separated from the first lockpin groove and the second lockpin groove. According to the utility model, the locking pin column is driven to be separated from the locking pin groove through the transmission of the rotary ejector block, so that the unlocking of the locking mechanism is realized rapidly.
Description
Technical Field
The utility model relates to the field of locking parts, and particularly discloses a base secondary locking mechanism.
Background
Nowadays crib, trailer, campsite car etc. are often designed into beta structure, through this kind of folding design, on the one hand is convenient for go out and carry and transport, on the other hand through folding, reduces the occupation to the space, conveniently deposits when idle state.
The folding structure is always required to be provided with the locking and limiting mechanisms, the structure during use is stable and firm, the locking and limiting mechanisms in the prior art are always arranged separately, the whole folding structure can be unfolded, locked or unlocked and folded by arranging a plurality of locking components on the main connecting component and limiting the supporting rods, the buckles and the like on the brackets, the folding structure is respectively arranged at different positions due to the plurality of locking and limiting mechanisms, the locking and limiting mechanisms are required to be sequentially locked and limited during unfolding, the locking and limiting mechanisms are required to be sequentially released one by one during folding, and the whole unfolding and folding process is complex and very inconvenient.
Disclosure of Invention
The utility model aims to provide a base two-channel locking mechanism, which solves the following technical problems:
how to provide a convenient fold-locking assembly.
The aim of the utility model can be achieved by the following technical scheme:
the base two-way locking mechanism comprises a left rotating part, a right rotating part, a plurality of rotating connecting sheets fixedly connected with the left rotating part and the right rotating part, and is characterized by further comprising a handle, a rotating jacking block, a lock tongue fixing piece and a rotating shaft;
the handle is arranged at one end of the rotary jacking block;
the lock tongue fixing piece and the rotating connecting piece are pivoted on the rotating shaft, a containing cavity is formed in the lock tongue fixing piece, and the rotating jacking block is arranged in the containing cavity;
a first locking pin groove and a second locking pin groove are respectively formed on the adjacent rotating connecting sheets; a lock pin fixing piece is arranged in the accommodating cavity in an elastic sliding manner, and lock pin columns matched with the first lock pin grooves and the second lock pin grooves are fixed on the lock pin fixing piece;
the rotary jacking block is in transmission connection with the lock pin fixing piece; and when the rotary jacking block rotates, the locking pin post is driven to be separated from the first locking pin groove and the second locking pin groove.
As a further scheme of the utility model: the rotary top block is hinged with the handle.
As a further scheme of the utility model: the rotary jacking block comprises a connecting column and a driving column which are sequentially fixed; the connecting column is far away from one end of the driving column and is provided with a rotating hole, and the handle is provided with a hinge rod matched with the rotating hole.
As a further scheme of the utility model: the connecting column and the driving column are provided with accommodating holes; and one end of the driving column, which is far away from the connecting column, is provided with an inclined notch.
As a further scheme of the utility model: the locking pin fixing piece comprises a first sliding column and a second sliding column which are sequentially fixed, a reset groove is formed in the first sliding column, a rotating shaft groove is further formed between the first sliding column and the second sliding column, a plurality of inclined cutting keys are arranged at one end of the second sliding column, and the locking pin column is fixed at one end, far away from the first sliding column, of the second sliding column.
As a further scheme of the utility model: and a reset spring is arranged in the reset groove, and one end, close to the second sliding block, of the reset spring abuts against the rotating shaft.
As a further scheme of the utility model: the left rotating part and the right rotating part are far away from one end of the rotating connecting sheet to be connected with the vertical rod in a rotating way.
As a further scheme of the utility model: the pole setting is kept away from the left side rotates the portion with the one end of right side rotates the portion sets up relative connecting rod, the pole setting is close to the left side rotates the portion with the one end of right side rotates the portion sets up relative wheel.
As a further scheme of the utility model: one side of the connecting rod, which is arranged oppositely, is provided with a rotating handrail, and two ends of the connecting rod are rotationally connected with a rotating rod.
As a further scheme of the utility model: the rotating rod has the beneficial effects that the rotating rod is of a foldable structure and is provided with the utility model:
(1) The locking state of the lock pin column is relieved by rotating the handle, the handle is lifted, the left rotating part and the right rotating part are folded by taking the rotating shaft as the center under the action of gravity, the whole structure is driven to be close towards each other, the folding is completed, and the effects of unlocking and folding by one key are achieved, so that convenience and rapidness are achieved;
(2) The left bottom stay and the right bottom stay are unfolded to drive the whole structure to unfold, the handle is pressed down to continue to unfold the mechanism, when the locking pin column is clamped into the first locking pin groove and the second locking pin groove, the locking mechanism is locked, the whole structure is unfolded, the locking pin locks the structure on one hand, the whole structure is limited on the other hand, the locking function and the limiting function are combined into a whole, the folding structure is stable and firm, the complexity of the locking mechanism is reduced, and the effect of convenience and rapidness is achieved.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a base two-way locking mechanism according to the present utility model;
FIG. 2 is a front view of a two-way locking mechanism of the base of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic diagram showing a second locking mechanism of a base in a folded configuration according to the present utility model;
fig. 5 is an unlocking schematic diagram of a base two-way locking mechanism in a folding structure according to the present utility model.
Description of the drawings: 1. rotating the connecting sheet; 2. a rotating shaft; 3. a handle; 4. a bolt fixing member; 5. rotating the top block; 6. a locking pin fixing member; 7. a receiving chamber; 8. a left rotating part; 9. a right rotating part; 10. a first latch slot; 11. a second latch slot; 12. an oblique notch; 13. a rotation hole; 14. a return spring; 15. a chamfer key; 16. a lockpin column; 17. a wheel; 18. a vertical rod; 19. rotating the armrest; 20. a rotating lever; 21. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 3-5, the present utility model is a base two-way locking mechanism, which comprises a left rotating part 8, a right rotating part 9 and a plurality of rotating connecting pieces 1 fixedly connected, wherein the rotating connecting pieces 1 are circular pieces; the novel lock further comprises a handle 3, a rotary jacking block 5, a lock tongue fixing piece 4 and a rotating shaft 2;
the handle 3 is arranged at one end of the rotary top block 5 and is mutually hinged together, and the handle 3 can rotate around a hinged rod;
the lock tongue fixing piece 4 and the rotating connecting piece 1 are pivoted on the rotating shaft 2 and mutually rotate; the lock tongue fixing piece 4 is provided with a containing cavity 7, and the rotary jacking block 5 is fixed in the containing cavity 7 through hinging rotation with the handle 3;
a first locking pin groove 10 and a second locking pin groove 11 are respectively formed on the adjacent rotating connecting piece 1, a locking pin fixing piece 6 is elastically arranged in the accommodating cavity 7 in a sliding manner, and a locking pin column 16 matched with the first locking pin groove 10 and the second locking pin groove 11 is fixed on the locking pin fixing piece 6;
the rotary jacking block 5 is in driving connection with the locking pin fixing piece 6, and when the rotary jacking block 5 rotates, the locking pin column 16 is driven to be separated from the first locking pin groove 10 and the second locking pin groove 11. Through rotatory handle 3, drive rotatory kicking block 5 and rotate in holding chamber 7, rotatory kicking block 5 drives lockpin mounting 6 and holds the intracavity 7 and slide, makes lockpin post 16 break away from first lock pin groove 10 and second lock pin groove 11, unblock rotation connection piece 1.
The rotary top block 5 comprises a connecting column and a driving column which are sequentially fixed; the one end that the spliced pole kept away from the drive post has offered rotation hole 13, is provided with the articulated pole that rotation hole 13 matches on handle 3, and through the articulated pole, with handle 3 and rotatory kicking block 5 articulated, make handle 3 and rotatory kicking block 5 rotate and fix on spring bolt mounting 4.
The connecting column and the driving column are provided with accommodating holes, the locking pin fixing piece 6 is arranged in the accommodating holes, one end of the driving column away from the connecting column is provided with an inclined notch 12, and the inclined surface of the inclined notch 12 can slide relatively.
The locking pin fixing piece 6 comprises a first sliding column and a second sliding column which are sequentially fixed, wherein a reset groove is formed in the first sliding column, a rotating shaft 2 groove is further formed between the first sliding column and the second sliding column, a plurality of inclined cutting keys 15 are arranged at one end of the second sliding column, and a locking pin column 16 is fixed at one end, far away from the first sliding column, of the second sliding column.
A reset spring 14 is arranged in the reset groove, one end of the reset spring 14, which is close to the second sliding block, abuts against the rotating shaft 2, and the locking pin fixing piece 6 is bolted in the accommodating cavity 7 by the rotating shaft 2.
As shown in fig. 1-2, in the folding mechanism, the left rotating part 8 and the right rotating part 9 are bottom supporting rods, one ends of the left rotating part 8 and the right rotating part 9 far away from the rotating connecting sheet 1 are rotationally connected with a plurality of vertical rods 18, one ends of the vertical rods 18 far away from the left rotating part 8 and the right rotating part 9 are provided with opposite connecting rods 21, one ends of the vertical rods 18 are fixedly connected by the connecting rods 21, one ends of the vertical rods 18 near the left rotating part 8 and the right rotating part 9 are provided with a plurality of opposite wheels 17, the wheels 17 can drag when the whole structure is unfolded,
one side that connecting rod 21 set up relatively rotates handrail 19, it is collapsible to rotate handrail 19, connecting rod 21 both ends rotate and connect dwang 20, dwang 20 is collapsible structure, when needs folding mention handle 3, rotate handle 3, make lockpin post 16 break away from first lockpin groove 10 and second lockpin groove 11 after, continue to lift handle 3, left side rotating part 8 and right rotating part 9 set up one end that rotates connection piece 1 do the rotation folding with pivot 2 as the axle, drive pole setting 18 and be close to in opposite directions, thereby drive dwang 20 folding, left side rotating part 8 and right rotating part 9 folding accomplish the back, pole setting 18, dwang 20 accomplish folding simultaneously, folding rotating handrail 19, can fold whole folding mechanism.
The working principle of the utility model is as follows: when the folding mechanism is folded, the rotary jacking block is driven to rotate by rotating the handle, the inclined notch arranged on the rotary jacking block and the inclined cutting key arranged on the lock pin fixing piece slide relatively, the jacking lock pin fixing piece slides downwards in the accommodating cavity of the lock pin fixing seat, so that the rotary jacking block is separated from the lock pin fixing piece, a lock pin column arranged on the lock pin fixing piece is separated from the first lock pin groove and the second lock pin groove on the rotary connecting piece, the handle is lifted, and the left rotating part and the right rotating part rotate to rotate and fold by taking the rotating shaft as the axle under the action of gravity; when the folding mechanism is unfolded, the locking pin post slides on the rotating connecting piece, and after the locking pin post slides into the first locking pin groove and the second locking pin groove simultaneously, the locking pin post is fixed in the first locking pin groove and the second locking pin groove under the elastic force of the reset spring, so that the locking limit of the left rotating part and the right rotating part is completed.
The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (8)
1. The base two-way locking mechanism comprises a left rotating part (8), a right rotating part (9) and a plurality of rotating connecting sheets (1) which are fixedly connected, and is characterized by further comprising a handle (3), a rotating jacking block (5), a lock tongue fixing piece (4) and a rotating shaft (2);
the handle (3) is arranged at one end of the rotary top block (5);
the lock tongue fixing piece (4) and the rotating connecting piece (1) are pivoted on the rotating shaft (2), the lock tongue fixing piece (4) is provided with a containing cavity (7), and the rotating jacking block (5) is arranged in the containing cavity (7);
a first locking pin groove (10) and a second locking pin groove (11) are respectively formed on the adjacent rotating connecting sheets (1); a lock pin fixing piece (6) is elastically arranged in the accommodating cavity (7) in a sliding manner, and a lock pin column (16) matched with the first lock pin groove (10) and the second lock pin groove (11) is fixed on the lock pin fixing piece (6);
the rotary jacking block (5) is in transmission connection with the lock pin fixing piece (6); when the rotary jacking block (5) rotates, the locking pin column (16) is driven to be separated from the first locking pin groove (10) and the second locking pin groove (11);
the locking pin fixing piece (6) comprises a first sliding column and a second sliding column which are sequentially fixed, a reset groove is formed in the first sliding column, a rotating shaft (2) groove is further formed between the first sliding column and the second sliding column, a plurality of inclined cutting keys (15) are arranged at one end of the second sliding column, and the locking pin column (16) is fixed at one end, far away from the first sliding column, of the second sliding column;
and a reset spring (14) is arranged in the reset groove, and one end, close to the second sliding column, of the reset spring (14) abuts against the rotating shaft (2).
2. A two-way locking mechanism for a base according to claim 1, characterized in that the rotary top piece (5) is hinged to the handle (3).
3. A base two-way locking mechanism according to claim 1, characterized in that the rotary top block (5) comprises a connecting column and a driving column fixed in sequence; the connecting column is far away from one end of the driving column and is provided with a rotating hole (13), and the handle (3) is provided with a hinging rod matched with the rotating hole (13).
4. A two-way locking mechanism for a base according to claim 3, wherein said connecting post and said driving post are provided with receiving holes; and one end of the driving column, which is far away from the connecting column, is provided with an inclined notch (12).
5. A two-way locking mechanism for a base according to claim 1, characterized in that the end of the left turning part (8) and the right turning part (9) remote from the turning connection piece (1) is turned to connect the upright (18).
6. A two-way locking mechanism for a base according to claim 5, characterized in that the upright (18) is provided with opposite connecting rods (21) at the ends remote from the left turning part (8) and the right turning part (9), and the upright (18) is provided with opposite wheels (17) at the ends close to the left turning part (8) and the right turning part (9).
7. A two-way locking mechanism for a base according to claim 6, wherein a rotating handrail (19) is arranged on the opposite side of the connecting rod (21), and two ends of the connecting rod (21) are rotatably connected with a rotating rod (20).
8. A two-way locking mechanism for a base according to claim 7, wherein the rotating lever (20) is provided for a foldable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558723.2U CN219035302U (en) | 2022-12-30 | 2022-12-30 | Base two-channel locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558723.2U CN219035302U (en) | 2022-12-30 | 2022-12-30 | Base two-channel locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035302U true CN219035302U (en) | 2023-05-16 |
Family
ID=86273030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223558723.2U Active CN219035302U (en) | 2022-12-30 | 2022-12-30 | Base two-channel locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035302U (en) |
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2022
- 2022-12-30 CN CN202223558723.2U patent/CN219035302U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |