TWI790513B - A clamping seat using a composite structure - Google Patents

Abstract

The composite structure of the present invention comprises an upper fiber layer, a middle fiber layer and a lower fiber layer. The upper fiber layer includes a plurality of first long fibers arranged on the same plane. The middle fiber layer is upwardly bonded to the upper fiber layer, and the middle fiber layer includes a plurality of first random woven cloth which are sequentially overlapped and bonded from top to bottom, and the first random woven cloth includes a plurality of interlaced first short fibers arranged on the same plane. The lower fiber layer is bonded upwardly to the middle fiber layer, and the lower fiber layer includes a plurality of second long fibers arranged on the same plane. Thereby, when the composite structure is used on a clamping seat with at least one groove on the top surface thereof, the overall mechanical strength can be increased, so that when the weight of the composite structure is reduced, the composite structure still has sufficient connection capacity.

Description

Clamping seat using composite structure

This creation is related to a composite structure and a clamping seat using the composite structure, especially a kind of fiber layer with interlaced long fibers bonded to the upper and lower ends of a plurality of random fiber cloths, so that when connecting an object, it can be Effectively increase the connection strength between the clamping seat and the object.

For large-scale industrial plants, due to the wide area required for heat dissipation, it is often necessary to use large-scale cooling water towers for heat exchange, and then use large-scale fans to dissipate heat. Most of the blades of this cooling fan are arranged in a circular array on the periphery of two corresponding metal turntables, and after passing through the two metal turntables with a plurality of screw rods, one end of the plurality of blades is respectively fixed on Among the sets of metal clamping seats between the two turntables. Among them, due to the large volume and heavy weight of the metal clamping seat, it not only has safety doubts but also wastes manpower when actually assembling the fan.

In order to make the clamping seat have sufficient strength and reduce the weight of the product to save manpower, it is considered to replace it with a fiber-molded clamping seat. However, the current fiber composite materials mainly use heating and pressure to form a plurality of overlapping resin-containing carbon fiber cloths by compression molding. When applied on the clamping seat, because the shape of the clamping seat has quite a lot of bends, even multiple grooves will be formed, that is, it is necessary to use a multi-layer random fiber cloth laid out with short fibers and fixed with resin. Due to the random fiber fabric's ability to bend freely, it can be smoothly press-formed.

However, when a multi-layer random fiber cloth is used to form a complex-shaped clamping seat, since the random fiber cloth is mainly composed of a plurality of short fibers, the strength that the short fibers can enhance is limited. When the clamping seat cannot effectively fix one end of the blade, the rotation of the blade is not smooth, and even the end of the blade is separated from the clamping seat to cause danger; in view of this, in order to provide a different from the conventional The structure of the technology, and to improve the above-mentioned shortcomings, the author has accumulated many years of experience and continuous research and development, so this creation came into being.

One purpose of this creation is to provide a composite structure and a clamping seat using the composite structure, so as to solve the insufficient strength caused by the combination of random fiber cloth and hardened resin when the fiber clamping base is used to replace the conventional metal clamping base. However, it is impossible to form a stable and effective connection between one end of the large fan blade and the fiber holding seat, and it is possible to bond the upper and lower ends of the first random fiber cloth with interlaced long fibers and The structure of the lower fiber layer strengthens the mechanical strength of the whole, and while reducing the weight to save manpower, it still allows one end of the blade to form a strong connection with the fiber holder to ensure safe use.

In order to achieve the purpose of the above creation, the composite structure set up in this creation includes an upper fiber layer, a middle fiber layer and a lower fiber layer. Among them, the upper fiber layer includes a plurality of first long fibers on the same plane; the middle fiber layer is bonded upward to the upper fiber layer, and the middle fiber layer includes a plurality of first random fiber cloths that are overlapped and bonded sequentially from top to bottom. A random fiber cloth includes a plurality of interlaced first short fibers on the same plane; the lower fiber layer is bonded upward to the middle fiber layer, and the lower fiber layer includes a plurality of second long fibers on the same plane.

During implementation, a plurality of first long fibers cross each other; a plurality of second long fibers cross each other, or a plurality of second long fibers are parallel to each other.

During implementation, the plurality of first long fibers are parallel to each other; and the plurality of second long fibers cross each other.

During implementation, the plurality of first long fibers are parallel to each other, the plurality of second long fibers are parallel to each other, and the extension directions of the plurality of first long fibers and the plurality of second long fibers are the same.

During implementation, the creation further includes a coating layer, the coating layer is bonded downward to the upper fiber layer, and the coating layer includes a second random fiber cloth, and the second random fiber cloth includes a plurality of interlaced first fibers on the same plane. Two short fibers.

The clamping seat using the above-mentioned composite structure in this creation includes a base body, the top surface of the base body has at least one groove, and the lower half of the base body has two spaced first legs and two spacers. The second leg at intervals, the two first legs are parallel to the two second legs, the two first legs and the two second legs are respectively up and down corresponding to the two first perforations and the two second perforations through, and there is a clamping part between the two first legs and the two second legs.

During implementation, the clamping portion is a semicircular groove that runs through the lower half of the seat body.

In order to facilitate a deeper understanding of this creation, it is described in detail below:

1: Composite structure

2: upper fiber layer

21: The first long fiber

3: middle fiber layer

31: The first random fiber cloth

311: The first short fiber

4: Lower fiber layer

41:Second long fiber

5: coating layer

51: The second random fiber cloth

511: the second short fiber

6,6': clamping seat

61: seat body

62,62',63: Groove

64,64': first leg

65,65': second leg

66,66': First piercing

67,67': Second piercing

68,68': clamping part

69: screw

7: Fan blade

8,8': round plate

[Fig. 1] is an exploded view of the three-dimensional components of the first embodiment of the composite structure of this creation.

[Fig. 2] is an exploded view of the three-dimensional components of the second embodiment of the composite structure of this creation.

[Fig. 3] is a three-dimensional appearance schematic diagram of the first embodiment of the composite structure used in the clamping seat of this invention.

〔Figure 4〕is a three-dimensional appearance schematic diagram of this invention when the clamping seat is connected to the fan.

[Fig. 5] is a three-dimensional appearance schematic diagram of the second embodiment of the composite structure used in the clamping seat of this invention.

The composite structure of this creation mainly includes an intermediate fiber layer. The intermediate fiber layer includes a plurality of random fiber cloths that are overlapped and bonded sequentially from top to bottom. The random fiber cloth includes a plurality of interlaced short fibers on the same plane; the middle fiber layer An upper fiber layer and a lower fiber layer are respectively bonded on the upper and lower sides, wherein the upper fiber layer includes a plurality of long fibers on the same plane, and the lower fiber layer also includes a plurality of long fibers on the same plane.

Please refer to FIG. 1 , which is the first embodiment of the inventive composite structure 1 , which mainly includes an upper fiber layer 2 , a middle fiber layer 3 and a lower fiber layer 4 . Wherein the upper fiber layer 2 includes a plurality of first long fibers 21, the first long fibers 21 are carbon fibers, and the plurality of first long fibers 21 cross each other on the same plane; during implementation, the first long fibers 21 can also be glass fibers , Kevlar, Aramid fiber or Basalt Fiber.

The middle fiber layer 3 is bonded upward to the upper fiber layer 2 by resin. The middle fiber layer 3 is formed by bonding a plurality of first random fiber cloths 31 stacked sequentially from top to bottom. Each first random fiber cloth 31 includes a plurality of The first short fiber 311, the first short fiber 311 is a carbon fiber with a length of about 3 to 5 cm. After a plurality of first short fibers 311 are interlaced on the same plane, they are then bonded with resin to form a paper-like first random fiber. Cloth 31; during implementation, the first short fibers 311 may also be glass fibers, Kevlar fibers (Kevlar), aramid fibers (Aramid fibers) or basalt fibers (Basalt Fiber).

The lower fiber layer 4 uses resin to bond the middle fiber layer 3 upwards; the lower fiber layer 4 includes a plurality of second long fibers 41, the second long fibers 41 are carbon fibers, and the plurality of second long fibers 41 cross each other on the same plane; During implementation, the second long fibers 41 may also be glass fibers, Kevlar fibers, aramid fibers or basalt fibers.

Thereby, due to the arbitrarily bendable characteristics produced by the plurality of first random fiber cloths 31 in the middle fiber layer 3, it can be smoothly formed with multiple bends or multiple bends during the press molding process. The object of the groove; and due to the joint action of the upper fiber layer 2 and the lower fiber layer 4, it can effectively resist the pressure from above the upper fiber layer 2, or the tension from the surroundings, and even act on the composite structure 1. torque to increase the mechanical strength of the whole; and can still have sufficient connection ability while reducing weight.

During implementation, when the upper fiber layer 2 includes a plurality of first long fibers 21 crossing each other, the plurality of second long fibers 41 of the lower fiber layer 4 can also be a plurality of unidirectional fibers parallel to each other; the lower fiber layer 4 includes When a plurality of second long fibers 41 crossing each other, the plurality of first long fibers 21 of the upper fiber layer 2 may also be a plurality of unidirectional fibers parallel to each other; or when the plurality of first long fibers 21 are parallel to each other When there are a plurality of unidirectional fibers, the plurality of second long fibers 41 are also a plurality of unidirectional fibers parallel to each other, and the extension directions of the plurality of first long fibers 21 and the plurality of second long fibers 41 are the same, which can also achieve increased The effect of overall mechanical strength.

Please refer to shown in Fig. 2, it is the second embodiment of this creative composite structure 1, and it differs from the first embodiment in that: the top surface of the upper fiber layer 2 is upwardly bonded with a cladding layer 5 with resin, and drape The cladding 5 includes a second random fiber cloth 51, the second random fiber cloth 51 includes a plurality of second short fibers 511, the second short fibers 511 are carbon fibers with a length of about 3 to 5 cm, and the plurality of second short fibers 511 After interlacing each other on the same plane, the second random fiber cloth 51 of paper sheet shape is bonded with resin; during implementation, the second random fiber cloth 51 can also be glass fiber, Kevlar fiber (Kevlar), aramid fiber (Aramid fiber) or basalt fiber (Basalt Fiber).

Please refer to shown in Fig. 3, the clamping seat 6 of the present invention uses the pattern of the first embodiment of the composite structure 1. In terms of specific appearance, the clamping seat 6 mainly includes a seat body 61, the seat body 61 is a cuboid, and its top surface has two parallel elongated grooves (62, 62 '), and two elongated grooves (62, 62 '). 62') there is another groove 63; the lower half of the seat body 61 is provided with two spaced first legs (64, 64') And two spaced second legs (65,65'), two first legs (64,64') parallel to two second legs (65,65'), two first legs ( 64, 64') and the two second legs (65, 65') pass through up and down corresponding to the two first perforations (66, 66') and the two second perforations (67, 67'), and the two There is a semicircular groove transversely penetrating through the lower half of the seat body 61 between a first leg (64, 64') and two second legs (65, 65'), and the semicircular groove is used as a clamping Section 68.

In this way, please also refer to Figures 1, 3, and 4. When a plurality of large fan blades 7 are arranged in an annular array on the periphery of two corresponding upper and lower circular plates (8, 8'), and any The clamping parts (68, 68') of the set of upper and lower relative contact clamping seats (6, 6') clamp one end of any large fan blade 7, and a plurality of screw rods 69 respectively pass through a plurality of first through holes (66,66') and a plurality of second perforations (67,67'), one end of the large fan blade 7 can be locked, and through the joint action of the upper fiber layer 2 and the lower fiber layer 4, a plurality of large One end of the fan blade 7 can form a strong connection with the plurality of sets of clamping seats 6, and when the large fan rotates, one end of the large fan blade 7 will be held by the clamping part of the clamping seat (6, 6') ( 68,68') loose or detached.

And as shown in Figures 2 and 5, when the top surface of the seat body 61 of the clamping seat 6 has a cladding layer 5, due to the press molding process of the clamping seat 6, the liquid resin can be in the second random fiber cloth 51 Flow among the plurality of second short fibers 511 interlaced with each other, so that the covering layer 5 can form a smooth and smooth plane.

To sum up, according to the content disclosed above, this creation can indeed replace the traditional metal clamping seat, and through the upper and lower ends of a plurality of first random fiber cloths, respectively bond the upper fiber layer with interlaced long fibers and the lower fiber layer to strengthen the mechanical strength of the whole, while reducing weight and saving manpower, it can still allow one end of the blade to form a strong connection with the fiber holding seat to ensure safe use; and through the holding seat There is a cladding layer on the top surface of the base to form a smooth and smooth The slippery surface improves the quality of the product, which is of great value for industrial use. An application for an invention patent is filed according to the law.

Although this creation discloses preferred specific embodiments to achieve the above purpose, it is not intended to limit the structural features of this creation. Anyone with ordinary knowledge in this technical field should know that under the technical spirit of this creation, All changes or modifications are possible, and all are covered by the scope of the patent application for this creation.

1: Composite structure

2: upper fiber layer

21: The first long fiber

3: middle fiber layer

31: The first random fiber cloth

311: The first short fiber

4: Lower fiber layer

41:Second long fiber

Claims (9)

A clamping seat using a composite structure, the clamping seat includes a base body, the top surface of the base body has at least one groove, the lower half of the base body has two spaced first legs and two The second legs at intervals, the two first legs are parallel to the two second legs, the two first legs and the two second legs are respectively connected by two first holes and two second holes. The perforations are correspondingly penetrated up and down, and there is a clamping part between the two first legs and the two second legs, wherein the composite structure includes: an upper fiber layer, which includes a plurality of second legs on the same plane One long fiber; one intermediate fiber layer, which bonds the upper fiber layer upwards, the intermediate fiber layer includes a plurality of first random fiber cloths that are overlapped and bonded sequentially from top to bottom, and any one of the first random fiber cloths is on the same plane The upper layer includes a plurality of first short fibers interlaced with each other; and the lower fiber layer, which binds the middle fiber layer upwards, and the lower fiber layer includes a plurality of second long fibers on the same plane. According to claim 1, the clamping seat using a composite structure, wherein the plurality of first long fibers cross each other. According to claim 2, the clamping seat using a composite structure, wherein the plurality of second filaments intersect each other. According to claim 2, the clamping seat using a composite structure, wherein the plurality of second filaments are parallel to each other. According to claim 1, the clamping seat using a composite structure, wherein the plurality of first long fibers are parallel to each other. According to claim 5, the clamping seat using a composite structure, wherein the plurality of second filaments intersect each other. The clamping seat using a composite structure as claimed in claim 1, wherein the plurality of first long fibers are parallel to each other, the plurality of second long fibers are parallel to each other, and the plurality of first long fibers and the plurality of second long fibers The direction of extension is the same. As for the clamping seat using a composite structure in claim 1, it further includes a covering layer, the covering layer is bonded downward to the upper fiber layer, and the covering layer includes a second random fiber cloth, the second random fiber cloth The fiber cloth includes a plurality of interlaced second short fibers on the same plane. A clamping seat using a composite structure as claimed in claim 1, wherein the clamping portion is a semicircular groove running through the lower half of the base body.

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