CN217896756U

CN217896756U - Foldable truss

Info

Publication number: CN217896756U
Application number: CN202221878627.3U
Authority: CN
Inventors: 黄卫杰
Original assignee: Shanxi New Beihai Technology Development Co ltd
Current assignee: Shanxi New Beihai Technology Development Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-25
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a folding truss relates to truss technical field. The utility model comprises four rod bodies, wherein one side of each rod body is provided with a shear type support frame which is positioned between two adjacent rod bodies, and the opposite surfaces between every two adjacent rod bodies are respectively provided with a sliding component and a clamping mechanism which are corresponding; the opposite surfaces between every two adjacent rod bodies are respectively provided with a first fixed block and a second fixed block, the scissor type support frame comprises a first movable rod and a second movable rod, and a rotating shaft is rotatably matched at the intersection and junction of the first movable rod and the second movable rod. The utility model discloses a through the formula support frame of cutting that sets up, can move through the one of which body of rod and drive first fixed block and slip subassembly and remove when the user stimulates the one of which body of rod, first fixed block removes the one end that makes first movable rod and rotates along first fixed block, and the first movable rod other end rotates along latch mechanism to drive latch mechanism and remove.

Description

Foldable truss

Technical Field

The utility model belongs to the technical field of the truss, especially, relate to a folding truss.

Background

The truss is a supporting beam structure formed by connecting rod pieces through welding, riveting or bolts, and the truss rod pieces mainly bear axial tension or pressure, so that the strength of materials can be fully utilized, the material can be saved compared with a solid web beam when the span is large, the self weight is reduced, and the rigidity is increased.

At present, trusses are widely used for performance engineering structures, most trusses used are fixed square or triangular structures, no diagonal rod is arranged inside each square truss, the truss is easy to deform under stress and limited in bearing, the truss occupies a large space in storage and mobile performance transportation, and storage and transportation cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding truss has solved the more occupation space's of transportation technical problem among the prior art.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a foldable truss comprises four rod bodies, wherein one side of each rod body is provided with a scissors-type support frame, the scissors-type support frames are positioned between two adjacent rod bodies, the opposite surfaces between every two adjacent rod bodies are respectively provided with a sliding assembly and a clamping mechanism, and the sliding assembly corresponds to the clamping mechanism;

first fixed block and second fixed block have been installed respectively to the opposite face between per two adjacent body of rod, cut formula support frame and include first movable rod and second movable rod, and first movable rod and the crossing normal running fit of second movable rod have a pivot, and the both ends of first movable rod are respectively with first fixed block and latch mechanism normal running fit, the both ends of second movable rod respectively with second fixed block and slip subassembly normal running fit.

Optionally, the sliding assembly comprises two baffles arranged on one side of the rod body, a sliding rod fixedly connected between the two baffles, and a movable block sleeved on the periphery of the sliding rod, the movable block is in sliding fit on the periphery of the sliding rod, and one end of the second movable rod is in running fit with the movable block.

Optionally, a groove is formed in the rod body, the clamping mechanism comprises a moving mechanism arranged on the rod body, a clamping component elastically matched in the groove, and a supporting component in the rod body in sliding fit, and the moving mechanism corresponds to the clamping component.

Optionally, the moving mechanism includes two stoppers mounted on the rod body, a guide bar fixedly connected between the two stoppers, a slider sliding-fitted around the guide bar, and a projection mounted on the lower side of the slider, and the projection corresponds to the clamping assembly.

Optionally, the clamping assembly comprises a plurality of springs arranged at the bottom of the groove, a partition plate arranged on the springs, and a plurality of clamping blocks arranged on the partition plate, and the clamping blocks are matched with the bumps.

Optionally, the guide way has been seted up to the one end of the body of rod, and supporting component includes the bracing piece of sliding fit in the guide way, the joint pole of normal running fit in bracing piece one end, sets up the channel on the bracing piece, the piece is drawn in the channel to sliding fit, draws fixedly connected with stay cord between piece and the baffle.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment is through the formula support frame of cutting that sets up, enable the truss on the one hand and fold, thereby reduce the area of truss, reduce the cost of transportation of truss, on the other hand can be when the user stimulates the one of which body of rod, it removes to drive first fixed block and slip subassembly through the one of which body of rod removal, first fixed block removes the one end that makes first movable rod and rotates along first fixed block, the first movable rod other end rotates along latch mechanism, and drive latch mechanism and remove, and simultaneously, the one end that drives the second movable rod through slip subassembly removes slides and rotates along the slip subassembly, the other end of second movable rod rotates along the second fixed block, thereby make latch mechanism fix the position of first movable rod, thereby carry on spacingly to cutting the formula support frame, be convenient for the user to launch and use the truss.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a truss structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a scissor-type support according to an embodiment of the present invention;

FIG. 3 is a schematic view of a clamping assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a pull block according to an embodiment of the present invention;

fig. 5 is a schematic view of a fixture block structure according to an embodiment of the present invention;

fig. 6 is a schematic view of a bump structure according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the device comprises a rod body 1, a supporting rod 2, a shear type supporting frame 3, a sliding assembly 4, a first fixing block 5, a stop block 6, a clamping rod 7, a sliding block 8, a convex block 9, a groove 10, a spring 11, a partition plate 12, a clamping block 13, a pull rope 14, a pull block 15, a channel 16, a guide rod 17, a clamping assembly 18, a first movable rod 19, a second movable rod 20, a rotating shaft 21, a second fixing block 22, a baffle 23, a sliding rod 24, a movable block 25 and a clamping rod 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To keep the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known parts of the invention has been omitted.

Referring to fig. 1 to 6, in the present embodiment, there is provided a foldable truss, including: the device comprises four rod bodies 1, wherein one side of each rod body 1 is provided with a shear type support frame 3, the shear type support frames 3 are positioned between two adjacent rod bodies 1, the opposite surfaces between every two adjacent rod bodies 1 are respectively provided with a sliding assembly 4 and a clamping mechanism 18, and the sliding assembly 4 corresponds to the clamping mechanism 18; the opposite face between every two adjacent body of rod 1 has installed first fixed block 5 and second fixed block 22 respectively, cuts formula support frame 3 and includes first movable rod 19 and second movable rod 20, and first movable rod 19 and the crossing of second movable rod 20 meet department normal running fit have a pivot 21, and the both ends of first movable rod 19 are respectively with first fixed block 5 and latch mechanism 18 normal running fit, the both ends of second movable rod 20 respectively with second fixed block 22 and sliding component 4 normal running fit.

The application of one aspect of the embodiment is as follows: when a user needs to unfold the truss, the user pulls one of the rod bodies 1, the one of the rod bodies 1 moves to drive the first fixed block 5 and the sliding assembly 4 to move, the first fixed block 5 moves to enable one end of the first movable rod 19 to rotate along the first fixed block 5, the other end of the first movable rod 19 rotates along the clamping mechanism 18 and drives the clamping mechanism 18 to move, meanwhile, the sliding assembly 4 moves to drive one end of the second movable rod 20 to slide and rotate along the sliding assembly 4, the other end of the second movable rod 20 rotates along the second fixed block 22, and therefore the clamping mechanism 18 fixes the position of the first movable rod 19, and the truss can be unfolded;

when the truss needs to be folded, the truss can be folded by referring to the scheme.

Through the arranged scissor type support frame 3, when a user pulls one of the rod bodies 1, the rod body 1 moves to drive the first fixed block 5 and the sliding assembly 4 to move, the first fixed block 5 moves to enable one end of the first movable rod 19 to rotate along the first fixed block 5, the other end of the first movable rod 19 rotates along the clamping mechanism 18 and drives the clamping mechanism 18 to move, meanwhile, the sliding assembly 4 moves to drive one end of the second movable rod 20 to slide and rotate along the sliding assembly 4, the other end of the second movable rod 20 rotates along the second fixed block 22, and therefore the clamping mechanism 18 fixes the position of the first movable rod 19, the scissor type support frame 3 is limited, and the user can conveniently unfold and use the truss.

The sliding assembly 4 of the present embodiment includes two baffles 23 disposed on one side of the rod body 1, a sliding rod 24 fixedly connected between the two baffles 23, and a movable block 25 sleeved on the periphery of the sliding rod 24, wherein the movable block 25 is slidably fitted on the periphery of the sliding rod 24, and one end of the second movable rod 20 is rotatably fitted with the movable block 25. Through the sliding assembly 4 who sets up, enable second movable rod 20 and drive movable block 25 and remove, movable block 25 removes along slide bar 24, and through two baffles 23 that slide bar 24 both sides were installed, can carry on spacingly to the displacement range that movable block 25 removed to it is spacing to carry on the angle of opening and shutting of truss.

The groove 10 is provided on the rod body 1 of this embodiment, the clamping mechanism 18 includes a moving mechanism installed on the rod body 1, a clamping component elastically fitted in the groove 10, and a supporting component slidably fitted in the rod body 1, and the moving mechanism corresponds to the clamping component. The moving mechanism comprises two check blocks 6 arranged on the rod body 1, a guide rod 17 fixedly connected between the two check blocks 6, a sliding block 8 in sliding fit with the peripheral side of the guide rod 17, and a convex block 9 arranged on the lower side of the sliding block 8, wherein the convex block 9 corresponds to the clamping component.

The cross sections of the clamping block 13 and the convex block 9 are both designed into right-angled triangle structures, the convex block 9 is moved through the arrangement, the inclined plane of the convex block 9 extrudes the inclined plane of the clamping block 13, the clamping block 13 is moved to drive the partition plate 12 to move, so that the convex block 9 is moved to drive the first movable rod 19 to move, the plane of the clamping block 13 is clamped with the plane of the convex block 9, and the opening and closing angles of the first movable rod 19 and the second movable rod 20 are limited. Through the moving mechanism who sets up, can move through first movable rod 19 when first movable rod 19 moves and drive slider 8 and remove, slider 8 removes and drives lug 9 and remove along guide bar 17 to make lug 9 and fixture block 13 carry out the joint, carry on spacingly to the displacement range of first movable rod 19.

The clamping assembly of this embodiment includes a plurality of springs 11 installed at the bottom of the groove 10, a partition plate 12 installed on the plurality of springs 11, and a plurality of latch blocks 13 installed on the partition plate 12, and the plurality of latch blocks 13 are matched with the protrusion 9. Through the joint subassembly that sets up, can remove baffle 12 through the elasticity of spring 11, baffle 12 removes and drives fixture block 13 and remove to make fixture block 13 and lug 9 looks joint, fix the angle that opens and shuts of first movable rod 19, thereby fix opening and shutting of truss, the user of being convenient for uses the truss.

The guide way has been seted up to the one end of the body of rod 1 of this embodiment, and supporting component includes that sliding fit is at bracing piece 2 of guide way, normal running fit at the joint pole 26 of 2 one ends of bracing piece, set up channel 16 on bracing piece 2, sliding fit draws piece 15 in channel 16, draws fixedly connected with stay cord 14 between piece 15 and baffle 12. Through the arranged supporting rod 2, the supporting rod 2 moves to drive the channel 16 to move, the channel 16 moves to drive the pull block 15 to move, the pull block 15 moves and pulls the pull rope 14 to move, the partition plate 12 moves through the elasticity of the pull rope 14 to pull the partition plate 12 to move, the partition plate 12 moves to drive the fixture block 13 to move, so that the fixture block 13 is far away from the bump 9, the limit between the fixture block 13 and the bump 9 is relieved, and the opening and closing angle of the truss can be conveniently moved by a user.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. A collapsible truss, comprising: the device comprises four rod bodies (1), wherein one side of each rod body (1) is provided with a shear type support frame (3), each shear type support frame (3) is positioned between two adjacent rod bodies (1), the opposite surface between every two adjacent rod bodies (1) is respectively provided with a sliding assembly (4) and a clamping mechanism (18), and the sliding assemblies (4) correspond to the clamping mechanisms (18);

first fixed block (5) and second fixed block (22) have been installed respectively to the opposite face between per two adjacent body of rod (1), cut formula support frame (3) and include first movable rod (19) and second movable rod (20), first movable rod (19) and second movable rod (20) cross junction normal running fit have pivot (21), the both ends of first movable rod (19) respectively with first fixed block (5) and latch mechanism (18) normal running fit, the both ends of second movable rod (20) respectively with second fixed block (22) and sliding component (4) normal running fit.

2. A foldable truss according to claim 1 wherein the sliding assembly (4) comprises two baffles (23) disposed on one side of the rod body (1), a sliding rod (24) fixedly connected between the two baffles (23), and a movable block (25) sleeved on the periphery of the sliding rod (24), the movable block (25) is slidably fitted on the periphery of the sliding rod (24), and one end of the second movable rod (20) is rotatably fitted with the movable block (25).

3. A foldable truss according to claim 1 wherein the rod (1) is provided with a groove (10), the latch mechanism (18) comprises a moving mechanism mounted on the rod (1), a latch assembly resiliently fitted in the groove (10), and a support assembly slidably fitted in the rod (1), the moving mechanism and the latch assembly corresponding to each other.

4. A foldable truss according to claim 3 wherein the moving mechanism comprises two stops (6) mounted on the rod (1), a guide rod (17) fixedly connected between the two stops (6), a slide block (8) slidably fitted around the guide rod (17), and a projection (9) mounted on the underside of the slide block (8), the projection (9) corresponding to the clip assembly.

5. A foldable truss according to claim 4 wherein the latch assembly includes a plurality of springs (11) mounted at the bottom of the recess (10), a partition (12) mounted on the plurality of springs (11), and a plurality of latches (13) mounted on the partition (12), and the plurality of latches (13) are engaged with the protrusions (9).

6. The foldable truss as claimed in claim 5, wherein one end of the rod body (1) is provided with a guide groove, the support assembly comprises a support rod (2) which is slidably fitted in the guide groove, a clamping rod (26) which is rotatably fitted at one end of the support rod (2), a channel (16) which is formed on the support rod (2), and a pull block (15) which is slidably fitted in the channel (16), and a pull rope (14) is fixedly connected between the pull block (15) and the partition plate (12).