JP2018118704A - Resin component for small vehicle and manufacturing method for resin component for small vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a resin component for a small vehicle that has an insert part made of fiber-reinforced resin, the resin component being high in joining strength and easy to manufacture.SOLUTION: A resin component for a small vehicle comprises a body part 30 and a support 31 supporting the body part 30, at least a part of the support 31 has an insert part 40 inserted in the body part 30, and the insert part 40 is formed from fiber-reinforced resin and includes a separation prevention part 45 formed with recesses and projections. In the resin component, the insert part 40 has a plate form, and the separation prevention part 45 extends in a planar direction continuously from a plate surface 42a of the insert part 40 so as to form the recesses and projections.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a resin component for a small vehicle and a method for manufacturing a resin component for a small vehicle.

Conventionally, there are known small vehicle parts that are made of resin in consideration of rigidity from the viewpoint of reducing the weight of a vehicle body even if the parts are subjected to a relatively large load (for example, patents). References 1, 2, and 3).
Patent Document 1 discloses a rear grip (resin part) of a motorcycle made of a propylene polymer containing glass fiber. When the glass fiber content is increased in order to improve the strength as in Patent Document 1, unevenness may occur on the surface of the resin component due to the glass fiber, and it is necessary to consider the appearance of the resin component. Become. Further, in the parts using such a fiber reinforced resin, an increase in cost is also a problem. In order to suppress the increase in cost due to the fiber reinforced resin, it is conceivable that only a part of the resin part that requires strength is used as the fiber reinforced resin. Ensuring bonding strength is an issue.
Patent Document 2 discloses a technique in which unevenness is provided on a metal insert member inserted into a resin material, and the bonding strength of the bonded portion is increased by an anchor effect due to the unevenness.
In Patent Literature 3, a fiber reinforced resin thermosetting insert member made of carbon fiber is filled in an opening of a fiber reinforced resin plate and hot-pressed to join the insert member to the opening. In patent document 3, since the edge of the opening of a board | plate material is uneven and formed in uneven | corrugated shape, joining strength is high.

International Publication No. 2015/002217 JP2015-136828A Japanese Patent No. 5613498

By the way, in the case of providing the fiber reinforced resin insert member with unevenness, as in Patent Document 2, when the unevenness is formed on the outer periphery of the columnar insert member, the shape becomes complicated, and the unevenness is formed or processed. It takes time and effort.
Moreover, in the structure of patent document 3, when using an insert member as an opening part for attachment of components, sufficient intensity | strength is acquired, but when an insert member is extended outside from the junction part of an insert, load Since the distance between the point of action and the joint portion increases, it is necessary to increase the strength of the joint portion. Further, in Patent Document 3, since the edges of the openings are not uniform, it is necessary to consider the variation in bonding strength.
The present invention has been made in view of the above-described circumstances, and provides a resin component of a small vehicle having an insert portion made of fiber reinforced resin, in which the insert portion has high bonding strength and is easy to manufacture. With the goal.

  The present invention includes a main body (30, 130) and a support (31) that supports the main body (30, 130), and at least a part of the support (31) includes the main body (30). , 130), and the insert part (40) is made of a fiber reinforced resin and has a concave-convex retaining part (45). The insert portion (40) is formed in a plate shape, and the retaining portion (45) extends in the surface direction in connection with the plate surface (42a) of the insert portion (40) to form the unevenness. It is characterized by being.

In the above invention, the support (31) is made of a fiber reinforced resin, and the support (31) extends outside the main body (30, 130) and is attached to the small vehicle. The attachment part (41) may be included.
In the above invention, the small vehicle is a saddle type vehicle, the resin component is a rear grip (25) of the saddle type vehicle, and the insert portion (40) of the support (31) is the It may be inserted into the rear grip (25).

Furthermore, in the above invention, the small vehicle is a saddle-ride type vehicle, the resin component is a load platform (125) of the saddle-ride type vehicle, and the insert portion (40) of the support (31) is the load platform. (125) may be inserted.
Moreover, in the said invention, the loading part (35, 36) to which a loading tool (H) is latched may be formed in the said support body (31).
Further, in the above invention, the saddle riding type vehicle includes a stand (23) for parking the saddle riding type vehicle in an upright state, and the resin component (25) is gripped when parking by the stand (23). The insert part (40) may be extended to the grip part (34).

  The present invention also includes a main body (30, 130) and a support (31) that supports the main body (30, 130), and at least a part of the support (31) includes the main body. A resin part for a small vehicle having an insert part (40) to be inserted into (30, 130), wherein the insert part (40) is made of fiber-reinforced resin and has a retaining part (45) by unevenness. In the manufacturing method, a prepreg in which a fibrous body is impregnated with a thermoplastic resin is placed in a mold and hot-pressed to form the plate-like support (31), and formed in the pressing step An insert molding step of insert-molding the insert portion (40) of the support (31) into the main body portion (30, 130), and the retaining portion (45) of the insert portion (40). , By the pressing process, characterized in that the irregularities extending in the plane direction continuous to the plate surface (42a) of said insert portion (40) is formed.

  According to the resin component for a small vehicle according to the present invention, the resin component for the small vehicle includes a main body portion and a support body that supports the main body portion, and at least a part of the support body is inserted into the main body portion. And the insert portion is made of fiber reinforced resin and has an uneven retaining portion, the insert portion is formed in a plate shape, and the retaining portion is connected to the plate surface of the insert portion in the surface direction. Unevenness is formed by extending. Since the retaining portion is formed with irregularities by extending in the surface direction in continuation with the plate surface of the insert portion, the retaining portion can be easily formed even if the insert portion is made of fiber reinforced resin. . Furthermore, the joint strength between the insert portion and the main body portion can be increased by the anchor effect due to the unevenness of the insert portion of the support. For this reason, it is possible to provide a resin component that has a high bonding strength at the insert portion and is easy to manufacture.

Moreover, in the said invention, the support body comprised with a fiber reinforced resin may have the plate-shaped attachment part extended on the outer side of a main-body part, and attached to a small vehicle. According to this configuration, since the attachment portion is formed in a plate shape like the retaining portion, the support can be easily formed. Further, the main body portion can be provided apart from the attachment target portion of the small vehicle to which the attachment portion of the support is attached, and the main body portion and the attachment target portion of the attachment portion are separated from each other. The rigidity of the support can be appropriately secured by the fiber reinforced resin.
In the above invention, the small vehicle may be a saddle type vehicle, the resin part may be a rear grip of the saddle type vehicle, and an insert portion of the support may be inserted into the rear grip. According to this configuration, it is possible to provide a resin rear grip that has a high bonding strength at the insert portion and is easy to manufacture.

Furthermore, in the above invention, the small vehicle may be a saddle-ride type vehicle, the resin component may be a load bed of the saddle-ride type vehicle, and the insert portion of the support may be inserted into the load bed. According to this configuration, it is possible to provide a resin carrier that has a high bonding strength at the insert portion and is easy to manufacture.
Moreover, in the said invention, the loading part by which a loading tool is latched may be formed in the support body. According to this structure, the loading part which receives the load of a loading tool can be easily formed in the support body provided with high intensity | strength by fiber reinforced resin.
In the above invention, the saddle-ride type vehicle includes a stand that parks the saddle-ride type vehicle in an upright state, the resin component includes a gripping portion that is gripped when parking by the stand, and the insert portion includes the gripping portion. It may extend to. According to this configuration, since the grip portion can be reinforced by the insert portion extending to the grip portion, it is possible to easily form the grip portion in the resin component when parking with the stand with sufficient strength.

  Further, the resin component of the small vehicle includes a main body portion and a support body that supports the main body portion, and at least a part of the support body has an insert portion that is inserted into the main body portion, and the insert portion is fiber reinforced. This resin component manufacturing method includes a prepreg made of resin and impregnated with unevenness, and a prepreg impregnated with a thermoplastic resin in a fibrous body is placed in a mold and hot-pressed to form a plate-like support. And a insert molding step of insert-molding the insert portion of the support formed in the pressing step into the main body portion, and the retaining portion of the insert portion is formed on the plate surface of the insert portion by the pressing step. Concavities and convexities that extend in the surface direction may be formed. The retaining portion of the insert portion is a concavo-convex portion that extends in the surface direction continuously to the plate surface of the insert portion, and has a planar shape, and thus is easily formed by pressing. For this reason, it is possible to provide a resin component that has a high bonding strength at the insert portion and is easy to manufacture.

1 is a left side view of a motorcycle according to a first embodiment of the present invention. It is the top view which looked at the attachment state to the vehicle body of a rear grip from the upper direction. It is a perspective view of the left side support body. It is IV-IV sectional drawing of FIG. It is VV sectional drawing of FIG. It is the side view which looked at the front-back extension part on the left side from the outer side. It is VII-VII sectional drawing of FIG. It is the top view which looked at the attachment state to the vehicle body of the loading platform in 2nd Embodiment from the upper direction. It is a perspective view of the left side support body.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the description, descriptions of directions such as front and rear, right and left and up and down are the same as directions with respect to the vehicle body unless otherwise specified. Further, in each figure, the symbol FR indicates the front of the vehicle body, the symbol UP indicates the upper side of the vehicle body, and the symbol LH indicates the left side of the vehicle body.

[First Embodiment]
FIG. 1 is a left side view of a motorcycle according to a first embodiment of the present invention. In the following description, in the left side view, only the left side including the reference numerals is shown in the left and right pairs.

  In the motorcycle 1, an engine 10 as a power unit is supported on a body frame (not shown), and a front fork 11 that supports a front wheel 2 so as to be steerable is supported on a front end of the body frame so as to be steerable and supports a rear wheel 3. The swing arm 12 is a small vehicle provided on the rear side of the body frame. The motorcycle 1 is a saddle-ride type vehicle in which a seat 13 on which a passenger sits is provided above the rear portion of the body frame.

The front fork 11 is pivotally supported by a head pipe (not shown) provided at the front end of the body frame. A steering handle 15 operated by the occupant is provided at the upper end of the front fork 11. The front wheel 2 is pivotally supported at the lower end of the front fork 11.
The engine 10 is disposed between the front wheel 2 and the rear wheel 3. The swing arm 12 extends rearward from a position on the rear side of the engine 10. The rear wheel 3 driven by the engine 10 is pivotally supported at the rear end portion of the swing arm 12. A rear suspension 16 is stretched between the rear portion of the swing arm 12 and the body frame.

The motorcycle 1 includes a vehicle body cover 17 that covers a vehicle body constituted by the vehicle body frame, the engine 10, and the like.
The vehicle body cover 17 includes a handle cover 18 that covers the center of the steering handle 15 in the vehicle width direction from the periphery, a front cover 19 that covers the front of the vehicle, and a rear cover 20 that covers the rear of the vehicle.
The front cover 19 covers the front part of the body frame and the front part of the engine 10. The rear cover 20 covers a lower portion of the seat 13 in the vehicle body, and the rear end portion extends rearward from the seat 13.
The motorcycle 1 also includes a front fender 21 that covers the front wheel 2 from above, and a rear fender 22 that covers the rear wheel 3 from above.

The motorcycle 1 includes a stand 23 that parks the motorcycle 1 in an upright state with respect to a road surface. The stand 23 is attached to the front part of the rear wheel 3 in the vehicle body. The stand 23 is rotatably provided via a stand rotating shaft 23a extending in the vehicle width direction at the upper end portion.
The stand 23 contacts the road surface as shown in FIG. 1 when the motorcycle 1 is parked. However, when the motorcycle 1 is traveling, the stand 23 is rotated rearward about the stand rotating shaft 23a and is in a substantially horizontal state. It is stored.

The seat 13 includes a driver's front seat 13a and a passenger's rear seat 13b.
The motorcycle 1 includes a rear grip 25 held by a passenger at the rear part of the vehicle body. The rear grip 25 is provided so as to be positioned on the left and right sides and the rear of the rear seat 13b.
The passenger sitting on the rear seat 13b supports the body by gripping the rear grip 25 by hand. The driver or the like holds the rear grip 25 with his / her hand to support the vehicle body when pushing the motorcycle 1 or walking the motorcycle 1 or parking the motorcycle 1 with the stand 23.

FIG. 2 is a plan view of the rear grip 25 attached to the vehicle body as viewed from above.
The rear grip 25 is a resin part.
The rear grip 25 is fixed to stays 26 and 26 provided on the vehicle body. The stays 26, 26 are provided as a pair of left and right at portions located below the left and right side edges of the rear seat 13 b in the body frame.

The rear grip 25 is integrally provided with a main body 30 that is gripped by an occupant and the like, and supports 31 and 31 that support the main body 30.
The main body 30 is made of a resin material. In detail, the main-body part 30 is comprised by thermoplastic resins, such as a polypropylene and polyamide, for example. Since the strength and rigidity of the main body 30 are enhanced by the support bodies 31 and 31 to be described in detail later, the main body 30 is made of a resin excellent in appearance, or a resin that improves the fit when gripped, a lightweight Can be selected from various types of resin and cost-effective resin.
The main body 30 is formed in a rod shape so that an occupant can easily grip it. The main body 30 is connected to the left and right extending portions 32 and 32 extending in the front-rear direction on the left and right outer sides of the rear seat 13b, and the left and right extending portions 32 and 32 extending in the vehicle width direction. The connection part 33 is provided integrally.

The front-rear extending portions 32, 32 are formed in a bar shape extending along the left and right side edge portions of the rear seat 13b, and are arranged so as to be inclined so that the distance from each other decreases toward the rear side. Has been. The left and right connecting portions 33 are located behind the rear seat 13b and above the rear end portion of the rear cover 20.
As shown in FIG. 1, each front-rear extension part 32 has a grip part 34 formed in a shape that allows an occupant or the like to easily grip the front-rear extension part 32, and a load hook H (see FIG. 5). ) Are formed. The loading portion 35 is formed on the front side of the grip portion 34, and the loading portion 36 is formed on the rear side of the grip portion 34.

As shown in FIG. 2, the rear grip 25 is attached to the vehicle body by the support bodies 31, 31 being fixed to the stays 26, 26.
The supports 31 and 31 are made of a material different from the material constituting the main body 30. The supports 31, 31 are made of a fiber reinforced resin that is a material having higher strength than the material constituting the main body 30. Specifically, the supports 31 and 31 are made of, for example, a carbon fiber reinforced resin. The fiber reinforced resin constituting the support 31 may be another type of fiber reinforced resin such as glass fiber reinforced resin or aramid fiber reinforced resin.
The support bodies 31, 31 are formed integrally with the main body portion 30 by being partially inserted into the front and rear extension portions 32, 32 of the main body portion 30 by insert molding.

Since the support bodies 31, 31 and the front and rear extension parts 32, 32 are formed substantially symmetrically, the left side will be described in detail here.
FIG. 3 is a perspective view of the left support 31. In FIG. 3, the main body 30 is illustrated by a virtual line.
The support 31 is formed in a plate shape extending in the front-rear direction in a substantially horizontal posture.
The support 31 is integrally provided with an insert portion 40 inserted into the main body portion 30 and an attachment portion 41 that extends outward from the main body portion 30 and is attached to the stay 26.

The insert portion 40 includes a base plate 42 that extends in the front-rear direction along the front-rear extension portion 32, and a surface direction of the plate surface 42 a that extends from the side edge portion 42 b outside the vehicle width direction of the base plate 42 to the plate surface 42 a of the base plate 42. A plurality of convex portions 43 (... indicates a plurality; the same applies hereinafter) extending in the direction from the side edge portion 42c on the inner side in the vehicle width direction of the base plate 42 to the plate surface 42a of the base plate 42. A plurality of convex portions 44 (... indicates a plurality; the same applies hereinafter) extending in the surface direction of the surface 42a are integrally provided.
Here, the surface direction of the plate surface 42 a is a direction substantially orthogonal to the plate thickness direction of the base plate 42.

The base plate 42 is a belt-like plate extending back and forth with substantially the same thickness throughout its length.
The convex portions 43... Extend from the side edge portion 42 b of the base plate 42 to the outside in the vehicle width direction and are arranged in the front-rear direction at intervals along the side edge portion 42 b. By arranging the convex portions 43... In front and rear, concave portions 43 a... Are formed between the adjacent convex portions 43.
The convex portions 44... Extend inward in the vehicle width direction from the side edge portion 42 c of the base plate 42, and are arranged in the front-rear direction at intervals along the side edge portion 42 c. By arranging the convex portions 44... In front and rear, concave portions 44 a... Are formed between the adjacent convex portions 44.
The convex portions 43... And the convex portions 44... Are provided at substantially the same position in the front-rear direction.

The resin material constituting the main body 30 enters the inside of the recesses 43a... And the recesses 44a.
The irregularities formed by the convex portions 43... And the concave portions 43 a... And the irregularities formed by the convex portions 44... And the concave portions 44 a. A retaining portion 45 that prevents the retaining portion 45 is formed.
In the insert portion 40, the retaining portion 45 constituted by the unevenness is inserted into the front-rear extension portion 32. Therefore, the increase in the contact area of the joint portion with respect to the front-rear extension portion 32 increases the bonding strength. Due to the anchor effect due to the unevenness, it is firmly joined to the front-rear extension portion 32.

The attachment portion 41 of the support 31 includes an extending portion 46 that extends from the convex portion 44 toward the stay 26 of the vehicle body, and a fixing portion 47 that is fixed in contact with the stay 26.
Specifically, the extending portion 46 extends inward and downward in the vehicle width direction from the tip of the protruding portion 44s provided at the front portion of the row among the plurality of protruding portions 44 arranged in the front-rear direction. ing. The convex portions 44 s are formed to be wider than other adjacent convex portions 44.
The fixing portion 47 is formed in a plate shape at the lower end of the extending portion 46 and extending substantially horizontally in the front-rear direction. The fixing portion 47 and the extending portion 46 are adjusted in strength and rigidity by making the plate thickness thicker than other portions of the support 31. In the first embodiment, the thickness of the portions of the fixing portion 47 and the extending portion 46 is doubled by molding the reinforcing plate 47b to be bonded to the lower surfaces of the fixing portion 47 and the extending portion 46. ing.
The fixing portion 47 includes fixing holes 47a and 47a that penetrate the fixing portion 47 and the plate portion of the reinforcing plate 47a in the plate thickness direction.
As for the rear grip 25, grip fixing bolts 48, 48 (fixing tools) inserted from above into the fixing holes 47a, 47a of the respective support bodies 31 are fastened to the stay 26 via collars 48a, 48a. Fixed to the car body.

4 is a cross-sectional view taken along the line IV-IV in FIG.
Referring to FIGS. 3 and 4, the front-rear extension portion 32 includes a plate-like portion 50 that extends substantially horizontally in the front-rear direction, and a side wall portion 51 that extends downward from the outer edge of the plate-like portion 50.
Most of the insert portion 40 is inserted into the plate-like portion 50. The plate-like portion 50 is formed in a range extending at least over the entire length of the insert portion 40.

The side wall 51 is formed continuously in the front-rear direction over substantially the entire length of the insert portion 40.
Since the rear grip 25 includes the side wall 51, an occupant or the like can grip the front / rear extension 32 by turning the finger F around the inner surface of the side wall 51, and the occupant can easily hold the front / rear extension 32. . Moreover, the side wall part 51 functions as a rib and improves the rigidity of the front-rear extension part 32. Furthermore, the shape of the side wall portion 51 is adjusted so that both the fit when the occupant of the rear seat 13b grips the rear grip 25 and the appearance of the rear grip 25 are compatible.

  The grip portion 34 (see FIGS. 1 and 4) is formed on the side wall portion 51. The grip portion 34 includes a grip recess 34 a in which an upper portion of the inner surface of the side wall portion 51 is recessed outward in the vehicle width direction so that an occupant or the like can easily grip the front-rear extension portion 32. An occupant or the like can hook the finger F on the grip recess 34 a and grip the front-rear extension part 32, and can easily grip the front-rear extension part 32.

The grip portion 34 is formed at a position corresponding to the middle portion before and after the insert portion 40 in the side wall portion 51.
In the convex portions 43..., Ribs 52 extending downward so as to bend from the outer ends of the convex portions 43. ... are formed.
The ribs 52 are inserted to the inside of the side wall 51. At least a part of the ribs 52... Extends up to a position where it overlaps the gripping recess 34 a in the vertical direction, thereby increasing the rigidity of the gripping part 34.
Moreover, since the ribs 52 ... protrude in a direction different from the surface direction of the plate surface 42a, the anchor effect of the insert portion 40 is increased.

5 is a cross-sectional view taken along the line VV in FIG. FIG. 5 shows a cross section of the loading portion 36 (FIG. 1) located behind the grip portion 34.
Referring to FIGS. 3 and 5, the insert portion 40 is a load that extends downward so as to bend from the outer ends of the pair of convex portions 43, 43 located at the rear portion of the insert portion 40 in the convex portions 43. Ribs 53, 53 and a connecting portion 54 for connecting the lower ends of the loading ribs 53, 53 back and forth. The loading ribs 53, 53 extend below the ribs 52.
The insert portion 40 includes a loading opening 55 formed between the front and rear loading ribs 53 and 53 and the connecting portion 54.
The loading ribs 53, 53, the connecting portion 54, and the loading opening 55 constitute a loading portion 36.

The loading part 36 is inserted inside the side wall part 51. Specifically, the loading portion 36 is inserted so that the inner side surface 36 a thereof is substantially flush with the inner surface of the side wall portion 51, and the inner side surface 36 a is exposed to the outside of the side wall portion 51 on the inner side in the vehicle width direction. . The lower end portion of the loading portion 36 is covered with the lower surface of the side wall portion 51.
A hollow portion 56 is formed inside the side wall portion 51 at a position outside the loading portion 36 in the vehicle width direction. The cavity 56 communicates with the loading opening 55.

For example, a loading hook H of a luggage holding net N is inserted into the loading opening 55 of the loading section 36, and the loading hook H is hooked and locked on the loading section 36. The loading hook H is also inserted into the cavity 56. For this reason, the loading hook H can be inserted deeply into the loading opening 55, and the loading hook H can be appropriately supported.
In the first embodiment, since the loading portion 36 is formed on the insert portion 40 made of carbon fiber reinforced resin, the strength of the loading portion 36 can be increased and the loading hook H is appropriately supported. it can.
Moreover, since the loading part 36 is inserted in the side wall part 51, the loading part 36 is hard to be visually recognized from the outside, and the appearance is good.

  With reference to FIG.1 and FIG.3, the insert part 40 is provided with the loading part 35 in the front part of the insert part 40 in the convex part 43 .... Since the loading portion 35 is formed in the same manner as the loading portion 36 of FIG. 5, the same reference numerals as those of the loading portion 36 are attached to the components shown in FIG.

FIG. 6 is a side view of the left front-rear extending portion 32 as viewed from the outside. 7 is a cross-sectional view taken along the line VII-VII in FIG.
As shown in FIGS. 6 and 7, partition walls 57 a and 57 b are formed on the side wall 51 of the front and rear extension 32 to partition the grip 34 from the front and rear loading sections 35 and 36. Yes.
The partition walls 57a and 57b are erected inward in the vehicle width direction from the bottom of the gripping recess 34a (see FIGS. 4, 6, and 7), and partition the gripping recess 34a in the front-rear direction.
The partition walls 57a and 57b are respectively formed at the front end and the rear end of the holding recess 34a extending in the front-rear direction. That is, the front partition wall 57 a is provided in the vicinity of the rear end of the loading portion 35, and the rear partition wall 57 b is provided in the vicinity of the front end of the loading portion 36. The shape of the partition wall 57a is the same as that of the partition wall 57b in FIG.

As described above, the gripping recess 34a of the gripping part 34 is partitioned forward and backward by the partition walls 57a and 57b, so that, for example, when the vehicle is parked on the stand 23, an occupant or the like can easily recognize a portion that is easy to grip in the front and rear extension part 32. It is easy to grip the front-rear extension part 32. Moreover, the partition walls 57a and 57b also function as a stopper that prevents a finger F such as an occupant gripping the grip portion 34 from shifting back and forth. For this reason, it is easy for an occupant or the like to grip the rear grip 25.
When an occupant or the like parks the motorcycle 1 on the road surface, the occupant steps on the stand 23 to make contact with the road surface, and grips the grip portion 34 and pulls the motorcycle 1 backward to park the motorcycle 1 by the stand 23. To do. In the first embodiment, as shown in FIG. 4, the tip portions 43 b of the convex portions 43... Extend to the position of the side wall portion 51 that constitutes the grip portion 34 in the vehicle width direction. For this reason, the rigidity of the grip part 34 can be improved by the convex parts 43... And the occupant or the like can easily grip the grip part 34. Furthermore, since the ribs 52 of the convex portions 43 are located in the side wall portion 51, the rigidity of the grip portion 34 can be effectively improved by the ribs 52.

Here, an example of a manufacturing method of the rear grip 25 will be described.
The manufacturing method of the rear grip 25 includes a pressing process in which a prepreg formed by impregnating a carbon fiber with a thermoplastic resin is placed in a mold and pressed hot to form a plate-like support 31; and a pressing process And an insert molding step of insert-molding the insert portion 40 of the support body 31 formed in the body portion 30 into the main body portion 30.

Specifically, in the pressing step, the support 31 is a planar surface that is pre-cut into the approximate shapes of the base plate 42, the convex portions 43, the convex portions 44, and the mounting portion 41 in the state of the prepreg. Offered as a flat plate.
Next, the prepreg is set in a press molding die, and is pressed in the thickness direction in a state where the prepreg is heated to a predetermined temperature, whereby the support 31 is formed into the shape shown in FIG. That is, the retaining portion 45, the mounting portion 41, and the loading portions 35 and 36 are formed with high accuracy in the shape of FIG. 3 by press working with a mold.
In the first embodiment, the retaining portion 45 is a plate-shaped unevenness that extends in the surface direction of the plate surface 42 a and is continuous with the plate surface 42 a of the base plate 42, and therefore the retaining portion that generates an anchor effect. 45 can be easily formed by press working.

Subsequently, the left and right supports 31, 31 formed in the pressing step are set in an insert molding die in the insert molding step, and a resin material constituting the main body 30 is injected into the die, By solidifying this resin material, the rear grip 25 in which the left and right insert portions 40 are inserted into the main body portion 30 is formed.
In the first embodiment, the strength and rigidity of the rear grip 25 can be borne by the support members 31, 31 made of carbon fiber reinforced resin, so that options for the resin material constituting the main body 30 are expanded. For this reason, in the rear grip 25, only the support bodies 31 and 31 that require particularly high strength are formed of carbon fiber reinforced resin, and the other parts are low in cost, the outer surface is easily adapted to the hand, and the appearance is taken into consideration. Resin can be selected as a material.

  As described above, according to the first embodiment to which the present invention is applied, the rear grip 25 of the motorcycle 1 includes the main body 30 and the supports 31 and 31 that support the main body 30. At least a part of the supports 31, 31 has insert portions 40, 40 inserted into the main body portion 30, and the insert portions 40, 40 are made of fiber reinforced resin and have concave and convex retaining portions 45, 45. The insert portions 40, 40 are formed in a plate shape, and the retaining portions 45, 45 are provided with concavities and convexities by extending in the surface direction continuously to the plate surface of the insert portion. The retaining portions are formed with irregularities by extending in the surface direction in connection with the plate surfaces 42a of the insert portions 40, 40, so that even if the insert portions 40, 40 are made of fiber reinforced resin, the retaining portions are not detached. The stop portions 45, 45 can be easily formed. Furthermore, the joint strength between the insert portions 40 and 40 and the main body portion 30 can be increased by the anchor effect due to the unevenness of the insert portions 40 and 40 of the support bodies 31 and 31. For this reason, the rear grip 25 with high joint strength of the insert parts 40 and 40 and easy manufacture can be provided.

Further, the supports 31, 31 made of fiber reinforced resin have plate-like attachment portions 41, 41 that extend to the outside of the main body portion 30 and are attached to the motorcycle 1. Thereby, since the attachment parts 41 and 41 are formed in plate shape similarly to the retaining parts 45 and 45, the support bodies 31 and 31 can be formed easily. Furthermore, the main body 30 can be provided apart from the stays 26 and 26 that are attachment target parts of the motorcycle 1 to which the attachment parts 41 and 41 of the supports 31 and 31 are attached. , 26 can be adequately secured by the fiber reinforced resin even if they are spaced apart from each other.
The resin part is the rear grip 25 of the motorcycle 1, and the insert portions 40, 40 of the support bodies 31, 31 are inserted into the rear grip 25. Thereby, the resin-made rear grip 25 with high joining strength of the insert parts 40 and 40 and easy manufacture can be provided.
In the rear grip 25, loading portions 35 and 36 to which the loading hook H is locked are formed on the support members 31 and 31 made of fiber reinforced resin. For this reason, the loading parts 35 and 36 which receive the load of the loading hook H can be formed with high strength and high rigidity with a simple configuration.

The motorcycle 1 includes a stand 23 that parks the motorcycle 1 in an upright state, the resin component includes a grip portion 34 that is gripped when the motorcycle 1 is parked, and the insert portion 40 is gripped. It extends to the part 34. Thereby, since the grip part 34 can be reinforced by the insert part 40 extended to the grip part 34, the grip part 34 when parking the stand 23 on the rear grip 25 can be easily formed with sufficient strength. The gripping part 34 may be used not only when parking at the stand 23 but also as a gripping part for the occupant of the rear seat 13b.
The rear grip 25 is manufactured by a pressing process in which a prepreg having a fibrous body impregnated with a thermoplastic resin is put into a mold and hot pressed to form a plate-like support, and the pressing process is performed. The insert portions 40, 40 of the support bodies 31, 31 are insert-molded into the main body portion 30, and the retaining portions 45, 45 of the insert portions 40, 40 are inserted into the insert portions 40, 40 by a pressing process. Concavities and convexities extending in the surface direction are formed continuously with the plate surface 42a. The retaining portions 45, 45 of the insert portions 40, 40 are irregularities that extend in the surface direction continuously to the plate surface 42 a, and have a planar shape, and thus are easily formed by pressing. For this reason, it is possible to provide a resin component having a high bonding strength between the insert portions 40 and 40 and easy to manufacture.

[Second Embodiment]
Hereinafter, a second embodiment to which the present invention is applied will be described with reference to FIGS. In the second embodiment, parts that are configured in the same manner as in the first embodiment are given the same reference numerals, and descriptions thereof are omitted.
The second embodiment is different from the first embodiment in that the support bodies 31 are inserted into a loading platform 125 as a resin component.

FIG. 8 is a plan view of the mounting state of the loading platform 125 to the vehicle body in the second embodiment as viewed from above. FIG. 9 is a perspective view of the left support 31. In FIG. 9, the main body 130 is illustrated by a virtual line.
Instead of the rear grip 25, a loading platform 125, which is a resin component, is attached to the rear portion of the motorcycle 1.
The loading platform 125 is attached to the vehicle body via the stays 26, 26, and is located above the rear portion of the rear seat 13b and the rear portion of the rear cover 20. Luggage can be loaded on the loading platform.

The loading platform 125 is integrally provided with a main body portion 130 on which a load is placed and support bodies 31 and 31 that support the main body portion 130. The main body 130 is made of the same resin material as that of the main body 30 of the first embodiment.
The main body 130 includes front and rear extension parts 132 and 132 formed in the same manner as the front and rear extension parts 32 and 32 of the first embodiment, and a plate that connects the front and rear extension parts 132 and 132 in the vehicle width direction. And a loading platform 133.
That is, in the loading platform 125 of the second embodiment, instead of the left and right connecting portions 33 (FIG. 2), the longitudinally extending portions 32 and 32 of the first embodiment are arranged in the vehicle width direction by the loading platform portion 133. Concatenated. The loading part 133 is provided with a lightening part 133a.

Insert parts 40 and 40 of the support bodies 31 and 31 are inserted into the front and rear extension parts 132 and 132, and the front and rear extension part 132 includes a loading part 35 and 36 and a grip part 34. That is, the cargo bed 125 includes the grip portion 34 and functions as a rear grip.
The loading platform 125 is attached to the stays 26 and 26 via attachment portions 41 and 41 extending inward in the vehicle width direction from the front and rear extending portions 132 and 132.

The loading platform 125 is formed by insert-molding the insert portions 40 and 40 of the supports 31 and 31 formed in the pressing process into the main body 130 in the insert-molding process.
As described above, according to the second embodiment to which the present invention is applied, the resin component is the loading platform 125 of the motorcycle 1 and the insert portion 40 of the support bodies 31 and 31 including the retaining portions 45 and 45. , 40 are inserted into the loading platform 125. Accordingly, it is possible to provide a resin carrier 125 having a high bonding strength between the insert portions 40 and 40 and easy to manufacture.

In addition, the said 1st and 2nd embodiment shows the one aspect | mode which applied this invention, Comprising: This invention is not limited to the said 1st and 2nd embodiment.
In the first and second embodiments, the rear grip 25 and the loading platform 125 are described as examples of the resin parts. However, the present invention is not limited to this, and the present invention may be applied to other resin parts.
In the said 1st and 2nd embodiment, although the insert part 40 which comprises some support bodies 31 was demonstrated as what is inserted in the main-body parts 30 and 130, this invention is not limited to this. For example, it is good also as a structure by which the whole support body comprised with a fiber reinforced resin is inserted in a main-body part.
In the first and second embodiments, a prepreg formed by impregnating a carbon fiber with a thermoplastic resin is put into a mold and hot pressed to form a plate-like support 31. However, the resin component of the present invention is not limited to this. For example, the support 31 may be formed by a method in which a prepreg formed by impregnating a carbon fiber with a thermosetting resin is degassed and cured by an autoclave (a heat and pressure molding kettle).
In the first and second embodiments, the motorcycle 1 has been described as an example. However, the present invention is not limited to this, and the present invention includes two front wheels or rear wheels. The present invention can be applied to a saddle type vehicle having three wheels, a saddle type vehicle having four or more wheels, and a saddle type vehicle such as a scooter.

1 Motorcycles (small vehicles, saddle-ride type vehicles)
23 Stand 25 Rear grip (resin parts)
30, 130 Main body part 31 Support body 34 Holding part 35, 36 Loading part 40 Insert part 41 Mounting part 42a Plate surface 45 Retaining part 125 Loading platform (resin part)
H Loading hook (loading tool)

Claims (7)

A main body (30, 130) and a support (31) that supports the main body (30, 130) are provided, and at least a part of the support (31) is attached to the main body (30, 130). In a resin component of a small vehicle having an insert portion (40) to be inserted, the insert portion (40) being made of fiber reinforced resin and having a retaining portion (45) due to unevenness,
The insert part (40) is formed in a plate shape,
The resin parts for a small vehicle, wherein the retaining portion (45) is formed with the irregularities by extending in a surface direction in continuation with the plate surface (42a) of the insert portion (40). The support (31) is made of a fiber reinforced resin,
The small vehicle according to claim 1, wherein the support body (31) has a plate-like attachment portion (41) extending outside the main body portion (30, 130) and attached to the small vehicle. Resin parts. The small vehicle is a saddle-ride type vehicle;
The resin component is a rear grip (25) of the saddle-ride type vehicle;
The resin part for a small vehicle according to claim 1 or 2, wherein the insert (40) of the support (31) is inserted into the rear grip (25). The small vehicle is a saddle-ride type vehicle;
The resin component is a platform (125) of the saddle-ride type vehicle;
The resin part for a small vehicle according to claim 1 or 2, wherein the insert portion (40) of the support (31) is inserted into the loading platform (125).   The resin part for a small vehicle according to claim 3 or 4, wherein a loading part (35, 36) to which the loading tool (H) is locked is formed on the support body (31). The saddle riding type vehicle includes a stand (23) for parking the saddle riding type vehicle in an upright state,
The resin component (25) includes a gripping part (34) gripped when parking at the stand (23),
The resin part for a small vehicle according to claim 3 or 4, wherein the insert part (40) extends to the grip part (34). A main body (30, 130) and a support (31) that supports the main body (30, 130) are provided, and at least a part of the support (31) is attached to the main body (30, 130). In the manufacturing method of the resin component of a small vehicle which has an insert portion (40) to be inserted, and the insert portion (40) is made of fiber reinforced resin and has a retaining portion (45) due to unevenness.
A pressing step of forming a plate-like support (31) by placing a prepreg impregnated with a thermoplastic resin in a fibrous body into a mold and hot pressing it;
An insert molding step of insert molding the insert portion (40) of the support (31) formed in the pressing step into the main body portion (30, 130),
The recesses (45) of the insert part (40) are formed with the irregularities extending in the surface direction in a continuous manner with the plate surface (42a) of the insert part (40) by the pressing step. A method of manufacturing a resin component for a small vehicle.

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