CN207959706U - A kind of foldable structure with self-locking function for truss - Google Patents
A kind of foldable structure with self-locking function for truss Download PDFInfo
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- CN207959706U CN207959706U CN201820025662.8U CN201820025662U CN207959706U CN 207959706 U CN207959706 U CN 207959706U CN 201820025662 U CN201820025662 U CN 201820025662U CN 207959706 U CN207959706 U CN 207959706U
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- supporting
- supporting block
- supporting rod
- rod
- block
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Abstract
The utility model discloses a kind of foldable structures with self-locking function for truss,Including two rod pieces,Two rod piece sides close to each other are separately installed with first support bar and second support bar,And first support bar and second support bar are hinged,Two rod pieces side close to each other is installed with the first supporting block,Two the first supporting blocks side close to each other is hinged with third supporting rod,Card hole is offered at the top of third supporting rod,Two third supporting rod one end close to each other are hinged with same second supporting block,The first groove is offered at the top of second supporting block,The 4th supporting rod is slidably fitted in first groove,The top of 4th supporting rod extends to the top of the first groove and is installed with third supporting block,The first spring being set on the outside of the 4th supporting rod is welded between the bottom of third supporting block and the top of the second supporting block.The utility model is simple in structure, easy to operate, can be folded to truss.
Description
Technical field
The utility model is related to truss technology field more particularly to a kind of folding knots with self-locking function for truss
Structure.
Background technology
Truss is structure made of one kind is hinged at both ends each other by rod piece, the general tool that truss is made of straight-bar
There are the plane or space structure of triangular element, truss member to be primarily subjected to axial tension or pressure, so as to make full use of material
The intensity of material saves material when span is larger than solid web girder, mitigates dead weight and increases rigidity.
Truss currently on the market is not mostly foldable, therefore causes transporting and needing temporary larger in storing process
Space, therefore we have proposed a kind of foldable structures with self-locking function for truss for solving the above problems.
Utility model content
Purpose of the utility model is to solve disadvantage existing in the prior art, and propose a kind of for truss
Foldable structure with self-locking function.
To achieve the goals above, the utility model uses following technical solution:
A kind of foldable structure with self-locking function for truss, including two rod pieces, two rod pieces it is close to each other one
Side is separately installed with first support bar and second support bar, and first support bar and second support bar are hinged, and two rod pieces are mutual
Close side is installed with the first supporting block, and two the first supporting blocks side close to each other is hinged with third support
Bar offers card hole at the top of third supporting rod, and two third supporting rod one end close to each other are hinged with same second
Bracer offers the first groove at the top of the second supporting block, the 4th supporting rod, the 4th supporting rod is slidably fitted in the first groove
Top extend to the top of the first groove and be installed with third supporting block, the bottom of third supporting block and the second supporting block
Top between be welded with the first spring being set on the outside of the 4th supporting rod, the both sides of the first spring, which are equipped with, is welded on third
The second spring of supporting block bottom;
The bottom end of second spring is welded on the top of the second supporting block, and the side that two second springs are located remotely from each other is equipped with
It is fixedly mounted on the kelly of third supporting block bottom, corresponding card hole is run through in the bottom end of kelly, and the top of third supporting block is solid
Dingan County is equipped with the 5th supporting rod, and the top of the 5th supporting rod is installed with handle.
Preferably, sliding slot, the fixed peace in both sides of the 4th supporting rod are offered on the both sides inner wall of first groove
Equipped with sliding block, sliding block is slidably connected with corresponding sliding slot inner wall.
Preferably, the both sides of second supporting block offer the second groove that bottom is opening, and third supporting rod leans on
One end of nearly second supporting block is rotatablely connected with the inner wall of the second groove.
Preferably, two the first supporting blocks one end close to each other offer top for opening third groove, two
One end that third supporting rod is located remotely from each other is rotatablely connected with the inner wall of two third grooves respectively.
Preferably, the outer sheath of the handle is equipped with Anti-slip cover, and glue is filled between Anti-slip cover and handle.
Preferably, the bottom end of the kelly is rotatablely equipped with pulley.
Compared with prior art, the utility model has the beneficial effects that:
Pass through third supporting rod, card hole, the second supporting block, the first groove, the 4th supporting rod, third supporting block, the first bullet
Spring, second spring, kelly, the 5th supporting rod and handle match, and handle drives the movement of the 5th supporting rod, the 5th supporting rod to drive
Third supporting block moves, and third supporting block drives the movement of the 4th supporting rod, third supporting block that kelly is driven to be moved in card hole, to
It can make that kelly is removed out of card hole completely or kelly is caught in card hole automatically under the pulling force effect of the first spring and second spring
It is interior, it is matched by first support bar, second support bar, the first supporting block, third supporting rod and the second supporting block, two can be made
Rod piece can fold, and to allow truss to fold, the utility model is simple in structure, easy to operate, can be folded to truss.
Description of the drawings
Fig. 1 be the utility model proposes a kind of foldable structure with self-locking function for truss facing structure illustrate
Figure;
Fig. 2 be the utility model proposes a kind of foldable structure with self-locking function for truss part A amplification
Structural schematic diagram.
In figure:1 rod piece, 2 first support bars, 3 second support bars, 4 first supporting blocks, 5 third supporting rods, 6 card holes, 7
Two supporting blocks, 8 first grooves, 9 the 4th supporting rods, 10 third supporting blocks, 11 first springs, 12 second springs, 13 kellies, 14
Five supporting rods, 15 handles.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of foldable structure with self-locking function for truss, including two rod pieces 1, two rod pieces 1
Side close to each other is separately installed with first support bar 2 and second support bar 3, and first support bar 2 and second support bar 3 are cut with scissors
Connect, two rod pieces 1 side close to each other is installed with the first supporting block 4, two the first supporting blocks 4 it is close to each other one
Side is hinged with third supporting rod 5, and the top of third supporting rod 5 offers card hole 6, and two third supporting rods 5 are close to each other
One end is hinged with same second supporting block 7, and the top of the second supporting block 7 offers the first groove 8, slided in the first groove 8
4th supporting rod 9 is installed, the top of the 4th supporting rod 9 extends to the top of the first groove 8 and is installed with third support
Block 10 is welded between the bottom of third supporting block 10 and the top of the second supporting block 7 and is set in the of the outside of the 4th supporting rod 9
One spring 11, the both sides of the first spring 11 are equipped with the second spring 12 for being welded on 10 bottom of third supporting block;Second spring 12
Bottom end be welded on the top of the second supporting block 7, the side that two second springs 12 are located remotely from each other, which is equipped with, is fixedly mounted on
Corresponding card hole 6 is run through in the bottom end of the kelly 13 of three supporting blocks, 10 bottom, kelly 13, and peace is fixed at the top of third supporting block 10
Equipped with the 5th supporting rod 14, the top of the 5th supporting rod 14 is installed with handle 15, passes through third supporting rod 5, card hole 6,
Two supporting blocks 7, the first groove 8, the 4th supporting rod 9, third supporting block 10, the first spring 11, second spring 12, kelly 13,
Five supporting rods 14 and handle 15 match, and handle 15 drives the movement of the 5th supporting rod 14, the 5th supporting rod 14 to drive third support
Block 10 moves, and third supporting block 10 drives the movement of the 4th supporting rod 9, third supporting block 10 that kelly 13 is driven to be moved in card hole 6, from
And can make kelly 13 removed completely out of card hole 6 or kelly 13 under the pulling force effect of the first spring 11 and second spring 12 from
It is dynamic to be caught in card hole 6, pass through first support bar 2, second support bar 3, the first supporting block 4, third supporting rod 5 and the second supporting block
7 match, and two rod pieces 1 can be allow to fold, and to allow truss to fold, the utility model is simple in structure, easy to operate,
Truss can be folded.
In the utility model, sliding slot is offered on the both sides inner wall of the first groove 8, the both sides of the 4th supporting rod 9 are solid
Dingan County is equipped with sliding block, and sliding block is slidably connected with corresponding sliding slot inner wall, and it is to open that the both sides of the second supporting block 7, which offer bottom,
Mouthful the second groove, third supporting rod 5 is rotatablely connected close to the inner wall of one end of the second supporting block 7 and the second groove, two the
One supporting block 4 one end close to each other offers the third groove that top is opening, what two third supporting rods 5 were located remotely from each other
One end is rotatablely connected with the inner wall of two third grooves respectively, and the outer sheath of handle 15 is equipped with Anti-slip cover, Anti-slip cover and handle 15
Between be filled with glue, the bottom end of kelly 13 is rotatablely equipped with pulley, by third supporting rod 5, card hole 6, the second supporting block 7,
First groove 8, the 4th supporting rod 9, third supporting block 10, the first spring 11, second spring 12, kelly 13, the 5th supporting rod 14
It being matched with handle 15, handle 15 drives the movement of the 5th supporting rod 14, the 5th supporting rod 14 that third supporting block 10 is driven to move, the
Three supporting blocks 10 drive the movement of the 4th supporting rod 9, and third supporting block 10 drives kelly 13 to be moved in card hole 6, so as to make kelly
13 are caught in card hole 6 automatically from the interior removal of card hole 6 or kelly 13 under the pulling force effect of the first spring 11 and second spring 12 completely
It is interior, it is matched by first support bar 2, second support bar 3, the first supporting block 4, third supporting rod 5 and the second supporting block 7, it can
So that two rod pieces 1 is folded, to allow truss to fold, the utility model is simple in structure, easy to operate, can to truss into
Row folds.
Operation principle:When being folded to truss, pull handle 15, handle 15 drive the 5th supporting rod 14 fortune first
Dynamic, the 5th supporting rod 14 drives third supporting block 10 to move, and third supporting block 10 drives the 4th supporting rod 9 in the first groove 8
Sliding, third supporting block 10 stretch the first spring 11 and second spring 12, while third supporting block 10 drives kelly 13
It is moved upwards in card hole 6, until after kelly 13 is removed out of card hole 6 completely, and sliding block is in contact with the top inner wall of sliding slot
When, handle 15 is pulled on, handle 15 drives second by the 5th supporting rod 14, third supporting block 10 and the 4th supporting rod 9
Bracer 7 moves, and the second supporting block 7 drives third supporting rod 5 to be rotated in the first supporting block 4, and the first supporting block 4 drives two bars
Part rotates in first support bar 2 and second support bar 3 respectively, until two the first supporting blocks 4 are in contact, you can complete to purlin
The folding of frame;When being opened to truss, only the bottom of two rod pieces 1 need to be made to be located remotely from each other, pulley is supported in third at this time
It is rolled on bar 5, until when kelly 13 is with 6 face of card hole, under the pulling force effect of the first spring 11 and second spring 12, you can make
Kelly 13 is caught in card hole 6, just completes the work to the opening of truss.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of foldable structure with self-locking function for truss, including two rod pieces (1), which is characterized in that two rod pieces
(1) side close to each other is separately installed with first support bar (2) and second support bar (3), and first support bar (2) and second
Supporting rod (3) is hinged, and two rod piece (1) sides close to each other are installed with the first supporting block (4), two first supports
Block (4) side close to each other is hinged with third supporting rod (5), offers card hole (6) at the top of third supporting rod (5), and two
A third supporting rod (5) one end close to each other is hinged with same second supporting block (7), and the second supporting block is opened at the top of (7)
Equipped with the first groove (8), the 4th supporting rod (9) is slidably fitted in the first groove (8), the top of the 4th supporting rod (9) extends
To the top of the first groove (8) and it is installed with third supporting block (10), the bottom of third supporting block (10) and the second support
The first spring (11) being set on the outside of the 4th supporting rod (9), the both sides of the first spring (11) are welded between the top of block (7)
It is equipped with the second spring (12) for being welded on third supporting block (10) bottom;
The bottom end of second spring (12) is welded on the top of the second supporting block (7), two second springs (12) be located remotely from each other one
Side is equipped with the kelly (13) for being fixedly mounted on third supporting block (10) bottom, and corresponding card hole is run through in the bottom end of kelly (13)
(6), the 5th supporting rod (14) is installed at the top of third supporting block (10), the top of the 5th supporting rod (14) is fixedly mounted
There is handle (15).
2. a kind of foldable structure with self-locking function for truss according to claim 1, which is characterized in that described
Offer sliding slot on the both sides inner wall of one groove (8), the both sides of the 4th supporting rod (9) are installed with sliding block, sliding block with
Corresponding sliding slot inner wall is slidably connected.
3. a kind of foldable structure with self-locking function for truss according to claim 1, which is characterized in that described
The both sides of two supporting blocks (7) offer the second groove that bottom is opening, and third supporting rod (5) is close to the second supporting block (7)
The inner wall of one end and the second groove be rotatablely connected.
4. a kind of foldable structure with self-locking function for truss according to claim 1, which is characterized in that two
One supporting block (4) one end close to each other offers top as the third groove of opening, and two third supporting rods (5) are mutually remote
From one end be rotatablely connected respectively with the inner wall of two third grooves.
5. a kind of foldable structure with self-locking function for truss according to claim 1, which is characterized in that described
The outer sheath of hand (15) is equipped with Anti-slip cover, and glue is filled between Anti-slip cover and handle (15).
6. a kind of foldable structure with self-locking function for truss according to claim 1, which is characterized in that the card
The bottom end of bar (13) is rotatablely equipped with pulley.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820025662.8U CN207959706U (en) | 2018-01-08 | 2018-01-08 | A kind of foldable structure with self-locking function for truss |
Applications Claiming Priority (1)
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CN201820025662.8U CN207959706U (en) | 2018-01-08 | 2018-01-08 | A kind of foldable structure with self-locking function for truss |
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CN207959706U true CN207959706U (en) | 2018-10-12 |
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CN201820025662.8U Active CN207959706U (en) | 2018-01-08 | 2018-01-08 | A kind of foldable structure with self-locking function for truss |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111088872A (en) * | 2019-12-24 | 2020-05-01 | 浙江高盛钢结构有限公司 | Steel structure supporting beam convenient to transport |
CN115123464A (en) * | 2021-03-25 | 2022-09-30 | 赵桂平 | Telescopic large-wheel hanging ladder packed in case |
-
2018
- 2018-01-08 CN CN201820025662.8U patent/CN207959706U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111088872A (en) * | 2019-12-24 | 2020-05-01 | 浙江高盛钢结构有限公司 | Steel structure supporting beam convenient to transport |
CN115123464A (en) * | 2021-03-25 | 2022-09-30 | 赵桂平 | Telescopic large-wheel hanging ladder packed in case |
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