Support structure of composite material model

Abstract

The utility model discloses a composite material model support structure which comprises a support base, a support supporting rod and a support connector, the support base comprises a support base skin, a support base inner core and a support base balancing weight, the support supporting rod is fixedly connected to the support base, and the support connector is fixedly connected to the support base skin. The support supporting rod comprises a support supporting rod skin and a support supporting rod inner core, the support connector is fixedly connected to the support supporting rod, the support base skin and the support supporting rod skin are of a composite material structure, the support base is of a symmetrical trapezoidal structure, the support base inner core is a foam block, and the foam block is made of a plastic material. The support base balancing weight is arranged in the support base inner core, and the support base skin is laid on the support base inner core. Compared with the prior art, the composite material model support structure is light in weight, large in bearing capacity, higher in strength, abrasion resistance and corrosion resistance, more attractive in appearance and better in anti-aging performance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of composite material, and specifically relates to a composite material model support structure. BACKGROUND

[0002] Composite materials are widely used in aerospace, rail transportation, shipbuilding and ocean, sports and leisure and many other fields due to their high specific strength, specific modulus, good fatigue resistance, acid and alkali corrosion resistance and other characteristics, especially in the aerospace field with strict weight requirements, the use amount of composite materials can reach more than 50%.

[0003] In a large number of composite material applications, the model support structure is a new application mode derived therefrom, and most of the model supports are plastic or metal structures before, which are too light in quality, limited in bearing capacity, and easy to be damaged in collision, not resistant to corrosion and not easy to degrade in use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a composite material model support structure, which is light in quality, large in bearing capacity, has higher strength, wear resistance and corrosion resistance, is more beautiful in appearance and has better anti-aging performance.

[0005] In order to achieve the above-mentioned purpose, the technical scheme provided by a specific embodiment of the utility model is as follows:

[0006] A composite material model support structure comprises a support base, a support support rod and a support joint, the support base comprises a support base skin, a support base inner core and a support base counterweight, the support support rod is fixedly connected to the support base, the support support rod comprises a support support rod skin and a support support rod inner core, the support joint is fixedly connected to the support support rod, and the support base skin and the support support rod skin are of a composite material structure.

[0007] In one or more embodiments of the utility model, the support base is a symmetrical trapezoidal structure, and the support base comprises an upper bottom surface, a lower bottom surface and a long waist surface.

[0008] In one or more embodiments of the utility model, one end of the support support rod is fixedly connected to the upper bottom surface of the support base, the support support rod is located within the projection range of the lower bottom surface, and the other end of the support support rod connected with the support joint is located within the projection range of the long waist surface.

[0009] In one or more embodiments of the utility model, the support base inner core is a foam block, the support base counterweight is arranged in the support base inner core, and the support base skin is attached to the support base inner core.

[0010] In one or more embodiments of the utility model, the support base inner core and support base counterweight are integrated structures.

[0011] In one or more embodiments of the utility model, the support support rod is an irregular arc support rod.

[0012] In one or more embodiments of the utility model, the support support rod inner core is a foam block, and the support support rod skin is laid on the support support rod inner core.

[0013] In one or more embodiments of the utility model, the support joint is a metal joint.

[0014] In one or more embodiments of the utility model, one of riveting structure or screwing structure is arranged between the support joint and the support support rod.

[0015] In one or more embodiments of the utility model, the composite material structure comprises carbon fiber structure of inner layer and fabric structure of outer layer.

[0016] Compared with the prior art, the composite material model support structure has the advantages of light weight, large bearing capacity, higher strength, wear resistance and corrosion resistance, more beautiful appearance and better anti-aging performance. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments in the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0018] Fig. 1 It is a structure schematic view of the composite material model support structure in one embodiment of the utility model;

[0019] Fig. 2 It is a support base structure schematic view of the composite material model support structure in one embodiment of the utility model;

[0020] Fig. 3 It is a support support rod structure schematic view of the composite material model support structure in one embodiment of the utility model;

[0021] Fig. 4 It is a support joint structure schematic view of the composite material model support structure in one embodiment of the utility model.

[0022] Main drawing mark explanation:

[0023] 1. Support base; 2. Support rod; 3. Support joint; 11. Support base skin; 12. Support base inner core; 13. Support base counterweight; 21. Support rod skin; 22. Support rod inner core. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0025] like Figs. 1 to 4 As shown, a composite material model support structure in one embodiment of this utility model includes a support base 1, a support rod 2, and a support joint 3. The support base 1 includes a support base skin 11, a support base inner core 12, and a support base counterweight 13. The support rod 2 is fixedly connected to the support base 1 and includes a support rod skin 21 and a support rod inner core 22. The support joint 3 is fixedly connected to the support rod 2. The support base skin 11 and the support rod skin 21 are composite material structures.

[0026] Specifically, the support base 1 is a symmetrical trapezoidal structure, the support rod 2 is an irregular arc-shaped support rod, the support base 1 and the support rod 2 adopt a secondary co-curing process, and the support joint 3 is a metal joint, the metal is Al-7075-T6, and it is connected to the support rod 2 by riveting or screwing.

[0027] The support base 1 includes an upper bottom surface, a lower bottom surface, and a long waist surface. The support rod 2 is located within the projection range of the lower bottom surface of the support base 1. One end of the support rod 2 is fixedly connected to the upper bottom surface of the support base 1. The other end of the support rod 2, which is connected to the support joint 3, is located within the projection range of the long waist surface of the support base 1. The support base 1, the support rod 2, and the support joint 3 can provide stable support and increase the load-bearing capacity.

[0028] The support base inner core 12 is a foam block, the support base counterweight 13 is arranged in the support base inner core 12, the support base skin 11 is pasted on the support base inner core 12, and the support base inner core 12 and the support base counterweight 13 are in an integrated structure, that is, the support base skin 11 can be pasted on the basis. The support base support rod inner core 22 is a foam block, the support base support rod skin 21 is pasted on the support base support rod inner core 22, and the support base skin 11 and the support base support rod skin 21 are cured and formed through a molding process after pasting. The support base inner core 12 and the support base support rod inner core 22 can reduce the overall mass, and the stability can be increased through the support base counterweight 13.

[0029] That is, compared with the commonly used plastic or metal support base structure, the dimensional stability at high or low temperature is better, especially at high temperature, the plastic is easy to soften and deform at high temperature, and the composite material support base has better high temperature resistance; the forming process adopts integrated forming, which is more firm and solid, and can prevent falling and smashing.

[0030] The composite material structure includes an inner carbon fiber structure and an outer fabric structure, the carbon fiber structure adopts a T300 grade carbon fiber composite material, the fabric structure adopts a T300 grade carbon fiber fabric composite material, the support base skin 11 and the support base support rod skin 21 are mainly laid in a 0° direction, the proportions of the 0° direction, the 90° direction and the 45° / -45° direction are 60:20:20, and the outermost layer is 1 layer of 12k plain woven cloth. The single-layer thickness of the unidirectional tape is 0.1mm, the single-layer thickness of the fabric is 0.23mm, and the total thickness of the layup is 2.23mm. The support base inner core 12 and the support base support rod inner core 22 adopt PMI foam blocks, and the density is 150Kg / m 3 .

[0031] Further, the woven cloth can have plain weave, twill weave and satin weave, and can be selected from 1k, 3k, 6k and 12k yarn numbers, and other color silk threads can also be added, so that the product is more beautiful, has higher strength, wear resistance and corrosion resistance, better anti-aging performance and longer service life.

[0032] The support base 1 and the support base support rod 2 adopt a secondary co-curing process, are coated with two layers of 12k plain woven cloth, and are then subjected to high-temperature molding and curing.

[0033] In use, as shown in Figs. 1 to 4 The support base 1, the support base support rod 2 and the support base joint 3 can increase the firmness, stability and bearing capacity of the support structure, the support base skin 11 and the support base support rod skin 21 can increase the strength, wear resistance and corrosion resistance, the appearance is more beautiful, and the anti-aging performance is better.

[0034] Compared with the prior art, the composite material model support structure has light mass, large bearing capacity, higher strength, wear resistance and corrosion resistance, more beautiful appearance and better anti-aging performance.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that the present application can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. The present application therefore broadly encompasses all changes and modifications of the exemplary embodiments which can be reasonably inferred or derived in light of the above description. Any reference signs in the claims should not be construed as limiting the claims concerned to the features or embodiments with which the reference signs are associated in the description.

[0036] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every exemplary embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A composite material model support structure, characterized by, The utility model relates to a kind of support structure, including: Support base, the support base includes support base skin, support base inner core and support base counterweight block; Support support rod, the support support rod is fixedly connected on support base, the support support rod includes support support rod skin and support support rod inner core; Support joint, the support joint is fixedly connected on support support rod; The support base skin and support support rod skin are composite material structure.

2. A composite model stand structure according to claim 1, characterized in that The support base is symmetrical trapezoidal structure, and the support base includes upper bottom surface, lower bottom surface and long waist surface.

3. A composite model stand structure according to claim 2, characterized in that One end of the support support rod is fixedly connected on the upper bottom surface of support base, the support support rod is located in the projection range of lower bottom surface, and the other end of the support support rod connected with support joint is located in the projection range of long waist surface.

4. The composite tooling fixture structure of Claim 1, wherein, The support base inner core is foam block, and the support base counterweight block is arranged in the support base inner core, and the support base skin is pasted on the support base inner core.

5. A composite model stand structure according to claim 4, characterized in that The support base inner core and support base counterweight block are integrated structure.

6. The composite tooling fixture structure of Claim 1, wherein, The support support rod is irregular arc support rod.

7. The composite tooling fixture structure of Claim 1 wherein, The support support rod inner core is foam block, and the support support rod skin is pasted on the support support rod inner core.

8. The composite tooling fixture structure of Claim 1, wherein, The support joint is metal joint.

9. The composite tooling fixture structure of Claim 1 wherein, The riveting structure or screwing structure is arranged between the support joint and support support rod.

10. The composite tooling fixture structure of Claim 1 wherein, The composite material structure includes carbon fiber structure of inner layer and fabric structure of outer layer.

Images