CN219069793U - Folding locking device of base - Google Patents
Folding locking device of base Download PDFInfo
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- CN219069793U CN219069793U CN202223558240.2U CN202223558240U CN219069793U CN 219069793 U CN219069793 U CN 219069793U CN 202223558240 U CN202223558240 U CN 202223558240U CN 219069793 U CN219069793 U CN 219069793U
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- rod
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Abstract
The utility model relates to the field of base locking devices and discloses a base folding and locking device which comprises a frame body, wherein the frame body comprises a first support base and a second support base, the first support base and the second support base are positioned on the same horizontal plane in a locking state, the first support base comprises first support cross rods which are axially symmetrically arranged, a first support vertical rod is fixedly connected between the two first support cross rods, the second support base comprises second support cross rods which are axially symmetrically arranged, a second support vertical rod is fixedly connected between the two second support cross rods, one end of the first support cross rod, far away from the second support cross rod, is rotationally connected with a first vertical rod, and one end of the second support cross rod, far away from the first support cross rod, is rotationally connected with a second vertical rod. The base folding locking device provided by the utility model realizes quick and convenient locking and folding of the base through the cooperation between the first rotating piece, the second rotating piece and the locking pin and the action of the reset spring.
Description
Technical Field
The utility model relates to the field of base locking devices, in particular to a base folding locking device.
Background
With the development of the times, people pay more and more attention to the quality of life, travel becomes a mode of great popularity and recreation, and for convenience, people can carry a large amount of life articles, a series of products such as trailers can be used during carrying, products such as cribs and strollers can be carried by families with children, and the products such as the existing trailers and cribs do not occupy too much space for saving space and facilitating travel or are not used, and a folding structure is generally adopted.
At present, the design mode of products such as trailers and cribs is to lock the base when in use, not in use or to fold the products when to be carried, but the common problem is that the structure used by the locking and folding functions of most trailers and cribs is relatively independent, a series of structures are needed to be used for locking when in locking, folding operation can be completed by resetting or changing the locked structure when in folding, so that great inconvenience is brought to travel and household arrangement, and travel mood is influenced while time is delayed.
Disclosure of Invention
The utility model aims to provide a base folding and locking device, which solves the following technical problems:
how to lock and fold the base quickly.
The aim of the utility model can be achieved by the following technical scheme:
the base folding and locking device comprises a frame body, wherein the frame body comprises a first supporting base and a second supporting base, the first supporting base and the second supporting base are positioned on the same horizontal plane in a locking state, the first supporting base comprises first supporting cross bars which are axially symmetrically arranged, first supporting vertical bars are fixedly connected between the two first supporting cross bars, the second supporting base comprises second supporting cross bars which are axially symmetrically arranged, and second supporting vertical bars are fixedly connected between the two second supporting cross bars;
the first support cross rod is far away from one end of the second support cross rod and is rotationally connected with a first vertical rod, one end of the second support cross rod is far away from one end of the first support cross rod and is rotationally connected with a second vertical rod, a locking seat is arranged between the first support vertical rod and the second support vertical rod, a first rotating piece and a second rotating piece are axially arranged on two sides of the locking seat and are rotationally connected with the locking seat, the first rotating piece is fixedly connected with the first support vertical rod, the second rotating piece is fixedly connected with the second support vertical rod, a first locking groove is formed in the first rotating piece, and a second locking groove is formed in the second rotating piece;
the locking seat is characterized in that a first through hole is formed in the center of the locking seat, a handle is movably arranged in the first through hole, a moving groove is formed in the outer walls of two sides of the locking seat, which are close to the first rotating piece and the second rotating piece, and locking pins matched with the moving groove are fixedly connected to two sides of the handle, which are close to the first rotating piece and the second rotating piece.
As a further scheme of the utility model: the handle is positioned below the locking pin, a movable groove is formed in the movable groove and transversely penetrates through the handle, a second through hole is formed in the locking seat, the second through hole penetrates through the second rotating plate and the locking seat, a positioning rod is fixedly connected in the second through hole, and the positioning rod is positioned in the movable groove;
the handle bottom is located the movable groove position has seted up the extrusion groove, the extrusion groove is vertically seted up, the extrusion groove bottom is located movable groove bottom below, extrusion groove bottom fixedly connected with reset spring, reset spring keep away from extrusion groove bottom one end with the locating lever laminating mutually.
As a further scheme of the utility model: the first rotating piece and the second rotating piece are rotatably connected with the positioning rod.
As a further scheme of the utility model: the locking pin is sized to match the first locking slot and the second locking slot.
As a further scheme of the utility model: in the locking state, the first locking groove and the second locking groove are in a fitting state.
As a further scheme of the utility model: and transverse plates are detachably connected between the two first support transverse rods and the two second support transverse rods.
The utility model has the beneficial effects that:
(1) In the initial state, the locking pin is positioned in the first locking groove and the second locking groove, the whole frame is in a stable state, the handle is lifted upwards, the handle moves upwards along the center of the locking seat along the first through hole, the movement of the handle drives the locking pin to move upwards along the moving groove so as to release the clamping relation, at the moment, the first support vertical rod and the second support vertical rod are moved upwards, the movement of the first support vertical rod and the second support vertical rod drives the first rotating plate and the second rotating plate to rotate, the first locking groove and the second locking groove are staggered, the first support vertical rod and the second support vertical rod are gathered, and meanwhile, the first support cross rod and the second support cross rod rotate relative to the first vertical rod and the second vertical rod, so that the first support base and the second support base are folded;
(2) When the folding type lifting device is in a locking state, the positioning rod is positioned at the top of the movable groove, the lifting handle can be prevented from falling down along the first through hole of the locking seat, at the moment, the reset spring is in a normal telescopic state, when the folding type lifting device is to be folded, the lifting handle moves upwards, the reset spring is driven to move upwards by the movement of the lifting handle, the positioning rod in the second through hole is fixedly connected with the locking seat, and accordingly the reset spring is extruded downwards in the extrusion groove due to the upward movement of the lifting handle, the reset spring in the folding state is in a compression state, when the base is required to be converted into the locking state from the folding state, the reset spring is converted into a stretching state from the compression state, and the lifting handle is driven to move downwards along the first through hole by means of elasticity, so that the locking is realized, and the folding type lifting device is very convenient and fast.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present utility model in a locked state;
FIG. 2 is a schematic view of the overall structure of the present utility model in a folded state;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view of a handle according to the present utility model.
Description of the drawings: 1. the whole frame; 2. a first support base; 3. a second support base; 4. a first support rail; 5. a first support vertical rod; 6. a second support rail; 7. a second support vertical rod; 8. a first upright; 9. a second upright; 10. a locking seat; 101. a first through hole; 102. a moving groove; 103. a second through hole; 11. a first rotating plate; 111. a first locking groove; 12. a second rotating plate; 121. a second locking groove; 13. a handle; 14. a locking pin; 141. a movable groove; 142. an extrusion groove; 15. a positioning rod; 16. a return spring; 17. and a transverse plate.
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. 1-4, the utility model discloses a base folding and locking device, which comprises a frame body 1, wherein the frame body 1 comprises a first support base 2 and a second support base 3, the first support base 2 and the second support base 3 are positioned on the same horizontal plane in a locking state, the first support base 2 comprises first support cross bars 4 which are axially symmetrically arranged, a first support vertical bar 5 is fixedly connected between the two first support cross bars 4, the second support base 3 comprises second support cross bars 6 which are axially symmetrically arranged, and a second support vertical bar 7 is fixedly connected between the two second support cross bars 6;
the first vertical rod 8 is rotationally connected to one end, far away from the second support vertical rod 6, of the first support horizontal rod 4, the second vertical rod 9 is rotationally connected to one end, far away from the first support horizontal rod 4, of the second support horizontal rod 6, a locking seat 10 is arranged between the first support vertical rod 5 and the second support vertical rod 7, a first rotating piece 11 and a second rotating piece 12 are axially arranged on two sides of the locking seat 10, the first rotating piece 11 and the second rotating piece 12 are rotationally connected with the locking seat 10, the first rotating piece 11 is fixedly connected with the first support vertical rod 5, the second rotating piece 12 is fixedly connected with the second support vertical rod 7, a first locking groove 111 is formed in the first rotating piece 11, and a second locking groove 121 is formed in the second rotating piece 12;
the center of the locking seat 10 is provided with a first through hole 101, a handle 13 is movably arranged in the first through hole 101, the outer walls of the two sides of the locking seat 10, which are close to the first rotating plate 11 and the second rotating plate 12, are provided with a moving groove 102, and locking pins 14 matched with the moving groove 102 are fixedly connected to the two sides of the handle 13, which are close to the first rotating plate 11 and the second rotating plate 12.
The handle 13 is positioned below the locking pin 14 and provided with a movable groove 141, the movable groove 141 transversely penetrates through the handle 13, the locking seat 10 is provided with a second through hole 103, the second through hole 103 penetrates through the second rotating plate 12 and the locking seat 10, a positioning rod 15 is fixedly connected in the second through hole 103, and the positioning rod 15 is positioned in the movable groove 141;
the bottom of the handle 13 is provided with an extrusion groove 142 at the position of the movable groove 141, the extrusion groove 142 is longitudinally arranged, the bottom of the extrusion groove 142 is positioned below the bottom of the movable groove 141, the bottom of the extrusion groove 142 is fixedly connected with a return spring 16, and one end of the return spring 16 away from the bottom of the extrusion groove 142 is attached to the positioning rod 15.
The first rotating piece 11 and the second rotating piece 12 are rotatably connected with the positioning rod 15.
The locking pin 14 matches the dimensions of the first and second locking grooves 111 and 121.
In the locked state, the first locking groove 111 and the second locking groove 121 are in the fitted state.
And transverse plates 17 are detachably connected between the two first support transverse rods 4 and the two second support transverse rods 6.
Referring to fig. 1 to 4, in an initial state, the locking pin 14 is located in the first locking groove 111 and the second locking groove 121, at this time, the frame body 1 is in a stable state, the handle 13 is lifted upwards, the handle 13 moves upwards along the center of the locking seat 10 along the first through hole 101, the movement of the handle 13 drives the locking pin 14 to move upwards along the moving groove 102 so as to release the clamping relationship, at this time, the first vertical support rod 5 and the second vertical support rod 7 are moved upwards, the movement of the first vertical support rod 5 and the second vertical support rod 7 drives the first rotating plate 11 and the second rotating plate 12 to rotate, the first locking groove 111 and the second locking groove 121 are dislocated, the first vertical support rod 5 and the second vertical support rod 7 are combined, and at the same time, the first support cross rod 4 and the second support cross rod 6 rotate relative to the first vertical rod 8 and the second vertical rod 9, so that the first support base 2 and the second support base 3 are folded.
In the locked state, the positioning rod 15 is located at the top of the movable slot 141, so that the handle 13 can be prevented from descending all the time along the first through hole 101 of the locking seat 10, at this time, the return spring 16 is in a normal telescopic state, when the folding is to be performed, the handle 13 moves upwards, the movement of the handle 13 drives the return spring 16 to move upwards, because the positioning rod 15 in the second through hole 103 is fixedly connected with the locking seat 10, the positioning rod 15 moves downwards in the movable slot 141 relative to the upward movement of the handle 13, so that the return spring 16 is extruded downwards in the extrusion slot 142, the return spring 16 in the folded state is in a compressed state, when the base is wanted to be converted into the locked from the folded state, only the handle 13 needs to be loosened, the return spring 16 is converted into the stretched state from the compressed state, and the handle 13 is driven to move downwards in the locking seat 10 along the first through hole 101 by virtue of elasticity, so that the locking is realized, and the locking is very convenient and fast.
The rotation of the first rotating piece 11 and the second rotating piece 12 can achieve the closing of the first support vertical rod 5 and the second support vertical rod 7, and can also achieve the alignment of the first locking groove 111 and the second locking groove 121.
The locking pin 14 is engaged with the first and second locking grooves 111 and 121 to secure the stability of the first and second support bases 2 and 3.
When the first locking groove 111 and the second locking groove 121 are in the locking state, the notch is in an aligned and fitting state, so that the locking pin 14 can be conveniently clamped.
When in the locked state, the two first support crossbars 4 and the two second support crossbars 6 are in a horizontal state, and the transverse plate 17 can not only strengthen the stability, but also can be used for placing some articles.
The working principle of the utility model is as follows: in the initial state, the locking pin 14 is positioned in the first locking groove 111 and the second locking groove 121, at this moment, the whole frame 1 is in a stable state, the handle 13 is lifted upwards, the handle 13 moves upwards along the first through hole 101 at the center of the locking seat 10, the movement of the handle 13 drives the locking pin 14 to move upwards along the moving groove 102 so as to release the clamping relationship, at this moment, the first vertical support rod 5 and the second vertical support rod 7 are moved upwards, the movement of the first vertical support rod 5 and the second vertical support rod 7 drives the first rotating piece 11 and the second rotating piece 12 to rotate, the first locking groove 111 and the second locking groove 121 are staggered, the first vertical support rod 5 and the second vertical support rod 7 are gathered, at the same time, the first horizontal support rod 4 and the second horizontal support rod 6 rotate relative to the first vertical rod 8 and the second vertical rod 9, and the first support base 2 and the second support base 3 are folded, in the locked state, the positioning rod 15 is located at the top of the movable slot 141, so as to prevent the handle 13 from descending all the way along the first through hole 101 of the locking seat 10, at this time, the return spring 16 is in a normal telescopic state, when the folding is to be performed, the handle 13 moves upwards, the movement of the handle 13 drives the return spring 16 to move upwards, because the positioning rod 15 in the second through hole 103 is fixedly connected with the locking seat 10, the positioning rod 15 moves downwards in the movable slot 141 relative to the upward movement of the handle 13, so that the return spring 16 is pressed downwards in the pressing slot 142, the return spring 16 in the folded state is in a compressed state, when the base is wanted to be converted from folding to locking, only the handle 13 needs to be released, the return spring 16 is converted from the compressed state to the stretched state, and the handle 13 is driven to move downwards in the locking seat 10 by elasticity along the first through hole 101, so that locking is realized, the method is very convenient and quick.
The foregoing describes one embodiment of the present utility model in detail, but the description 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 (6)
1. The base folding and locking device is characterized by comprising a frame body (1), wherein the frame body (1) comprises a first support base (2) and a second support base (3), the first support base (2) and the second support base (3) are positioned on the same horizontal plane in a locking state, the first support base (2) comprises first support cross bars (4) which are axially symmetrically arranged, a first support vertical bar (5) is fixedly connected between the two first support cross bars (4), the second support base (3) comprises second support cross bars (6) which are axially symmetrically arranged, and a second support vertical bar (7) is fixedly connected between the two second support cross bars (6);
the novel lock comprises a first support cross rod (4), a first vertical rod (8) is rotationally connected to one end of the first support cross rod (6), a second vertical rod (9) is rotationally connected to one end of the second support cross rod (6), a locking seat (10) is arranged between the first support vertical rod (5) and the second support vertical rod (7), a first rotating sheet (11) and a second rotating sheet (12) are axially arranged on two sides of the locking seat (10), the first rotating sheet (11) and the second rotating sheet (12) are rotationally connected with the locking seat (10), the first rotating sheet (11) is fixedly connected with the first support vertical rod (5), the second rotating sheet (12) is fixedly connected with the second support vertical rod (7), a first locking groove (111) is formed in the first rotating sheet (11), and a second locking groove (121) is formed in the second rotating sheet (12);
the locking seat (10) is characterized in that a first through hole (101) is formed in the center of the locking seat (10), a handle (13) is movably arranged in the first through hole (101), the locking seat (10) is close to the outer walls of two sides of the first rotating plate (11) and the second rotating plate (12), a moving groove (102) is formed in the outer walls of two sides of the second rotating plate, and the handle (13) is close to the first rotating plate (11) and the locking pins (14) matched with the moving groove (102) are fixedly connected to two sides of the second rotating plate (12).
2. The folding and locking device of a base according to claim 1, characterized in that a movable groove (141) is formed below the locking pin (14) by the handle (13), the movable groove (141) transversely penetrates through the handle (13), a second through hole (103) is formed in the locking seat (10), the second through hole (103) penetrates through the second rotating plate (12) and the locking seat (10), a positioning rod (15) is fixedly connected in the second through hole (103), and the positioning rod (15) is positioned in the movable groove (141);
the handle (13) bottom is located movable groove (141) position has seted up extrusion groove (142), extrusion groove (142) are vertically seting up, extrusion groove (142) bottom is located movable groove (141) bottom below, extrusion groove (142) bottom fixedly connected with reset spring (16), reset spring (16) keep away from extrusion groove (142) bottom one end with locating lever (15) laminating mutually.
3. A base fold locking arrangement as claimed in claim 2, wherein the first and second rotating plates (11, 12) are rotatably connected to the positioning lever (15).
4. A base fold locking arrangement as claimed in claim 1, wherein the locking pin (14) is matched to the dimensions of the first locking slot (111) and the second locking slot (121).
5. A folding and locking device for a base according to claim 1, characterized in that in the locked state, the first locking groove (111) is in a state of abutment with the second locking groove (121).
6. A base fold locking device as claimed in claim 1, wherein a cross plate (17) is detachably connected between both said first support cross bar (4) and both said second support cross bars (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558240.2U CN219069793U (en) | 2022-12-30 | 2022-12-30 | Folding locking device of base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558240.2U CN219069793U (en) | 2022-12-30 | 2022-12-30 | Folding locking device of base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219069793U true CN219069793U (en) | 2023-05-26 |
Family
ID=86390803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223558240.2U Active CN219069793U (en) | 2022-12-30 | 2022-12-30 | Folding locking device of base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219069793U (en) |
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2022
- 2022-12-30 CN CN202223558240.2U patent/CN219069793U/en active Active
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