JP3228029U - Joint structure of resin body and metal body, bracket and cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint structure, a bracket and a cylinder made of a metal body and a resin body, which can form a complicated shape and have high strength and durability. SOLUTION: The joint structure is composed of a metal body 30 and a resin body 2a, and the metal side joint portion 32 of the metal body and the resin side joint portion of the resin body are joined, and the resin body is the metal side joint portion. It has a resin member main body having a resin side joint portion to be joined with, and a protruding portion 9 protruding from the resin member main body and forming a gap between the metal body side. [Selection diagram] Fig. 1

Description

The present invention relates to a joining structure, a bracket and a cylinder formed by energizing and heating a resin body and a metal body.

Some resin products have a cylindrical shape having a hollow portion, and have a protruding portion in the middle or an opening of the hollow portion. When such a resin product is to be molded by injection molding, it cannot be removed from the mold and cannot be molded by one integral molding. Therefore, conventionally, two resin members are separately molded and then fixed and formed by adhesion, fusion, and welding (see, for example, Patent Document 1).

JP 2015-51578

However, since the above-mentioned conventional technique is made of resin, there is a problem that it is vulnerable to strong force, impact, heat, etc. and has low strength and durability. Therefore, the product has a drawback that it is easily deformed and it is difficult to maintain high quality.

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a bonded structure, a bracket and a cylinder composed of a metal body having high strength and durability and a resin body which is easy to mold.

In order to achieve the above object, the first joint structure of the present invention includes a metal body having a metal side joint, a resin member main body having a resin side joint to be joined to the metal side joint, and the like. It is characterized by comprising a resin body having a protruding portion protruding from the resin member main body and forming a gap with the metal body side.

In this case, the resin member main body forms a through-type resin-side space portion having a fully open-type opening on the metal body side and an opening in which the protruding portion is formed inward on the other side. Can be formed as. Further, the protruding portion may be formed so as to project outward from the resin member main body.

Further, the second joint structure of the present invention is composed of a resin body having a resin side joint portion, a metallic member main body having a metal side joint portion to be joined to the fat side joint portion, and the metallic member main body. It is characterized by comprising a metal body having a protruding portion that protrudes and forms a gap with the resin body side.

In this case, the metal member main body forms a penetrating metal side space portion having a fully open opening on the resin body side and an opening in which the protruding portion is formed inward on the other side. Can be formed as. Further, the protruding portion may be formed so as to project outward from the metal member main body.

As the bonding between the metal side bonding portion and the resin side bonding portion described above, energization heating bonding or laser bonding can be used.

Further, the bracket of the present invention is a bracket having one or a plurality of the joint structures of the present invention, and the protruding portion is said to be capable of fitting a connecting protruding portion which is a protruding portion of another connecting bracket. It is characterized in that it forms a gap.

In this case, a plurality of the protruding portions may be formed, and the connecting protruding portion may be formed between the protruding portion and the protruding portion so as to allow the connecting protruding portion to enter and exit.

Further, a locking fitting portion for fitting with a lock operating portion provided on another connecting bracket and locking the connecting bracket so as not to move may be formed. On the contrary, a lock operating portion may be formed by fitting with a locking fitting portion provided on another connecting bracket to lock the connecting bracket so that the connecting bracket does not move.

Further, a locking concave portion for engaging with a locking convex portion provided on another connecting bracket and locking the connecting bracket so as not to move may be formed. Further, conversely, a locking convex portion for engaging with a locking concave portion provided on another connecting bracket and locking the connecting bracket so as not to move may be formed.

Further, a fixing hole for fixing the bracket at a desired position may be formed in either the metal body or the resin body of the bracket.

Further, the cylinder of the present invention is a cylinder having one or a plurality of joint structures of the present invention, the metal body is a cylinder chamber forming portion for forming a cylinder chamber, and the resin member main body is the cylinder. It is joined to the outside of the chamber forming portion, and the protruding portion is characterized in that the gap is formed so that the connecting protruding portion, which is the protruding portion of another connecting bracket, can be fitted.

In this case, it is preferable that the resin member main body is joined to the outside of the cylinder chamber forming portion so that the cylinder chamber is airtight. Further, the cylinder chamber forming portion may be formed of a cylinder tube and a cover that closes an opening of the cylinder tube.

The present invention is a joining structure in which a metal body having high strength and durability and a resin body that is easy to mold are joined by energization heating joining, and a bracket and a cylinder to which the joining structure is applied. It is possible to provide a product having a shape and high strength and durability at a low cost.

It is a perspective view which shows the bracket of this invention. It is a front view, a plan view, a bottom view, and an enlarged cross-sectional view taken along line AA of the resin body of this invention. It is a perspective view of the connecting bracket. It is a perspective view which shows the example of the use state of the bracket of this invention. It is a side view which shows the example of the use state of the bracket of this invention. It is a perspective view which shows another bracket of this invention. It is a perspective view which shows another resin body of this invention. It is a perspective view which shows the example of the use state of another bracket of this invention. It is an assembly disassembly perspective view of another bracket of this invention. It is a perspective view which shows the example of the use state of another bracket of this invention. It is a perspective view which shows the battery case. It is a perspective view which shows the example of the use state of another bracket of this invention. It is an assembly disassembled perspective view of the joint structure of this invention. It is an assembly disassembly perspective view of another bracket of this invention. It is a perspective view of another bracket of this invention. It is a perspective view of another bracket of this invention. It is a perspective view which shows the example of the use state of another bracket of this invention. It is a perspective view of another bracket of this invention. It is a perspective view which shows the example of the use state of another bracket of this invention. It is a perspective view of another bracket of this invention. It is a perspective view of another connecting bracket of this invention. It is a perspective view of the resin body for demonstrating the locking recess which concerns on this invention. It is a perspective view of the resin body for demonstrating the locking convex part which concerns on this invention. It is a perspective view which shows the cylinder of this invention.

The joint structure of the present invention is composed of a metal body and a resin body, and is joined by a metal side joint portion of the metal body and a resin side joint portion of the resin body. Further, in the first joint structure, the resin body forms a gap between the resin member main body having the resin side joint portion to be joined to the metal side joint portion and the metal body side protruding from the resin member main body. It has a protruding portion to be formed.

In this case, the resin member main body of the resin body forms a penetrating resin-side space portion having a fully open opening on the metal body side and an opening in which a protruding portion is formed inward on the other side. Can be formed as. Here, the fully open form means that there is no inwardly protruding portion on the side wall of the resin side space formed in the resin body. In other words, when the resin body is manufactured by injection molding, the mold can be pulled out vertically from the opening as it is.

Further, as another resin body, the protruding portion may be formed so as to project outward from the resin member main body.

The protruding portion may be in the form of an all-around flange facing inward or outward.

Further, in the second joint structure, on the contrary, between the metal member main body having the metal side joint portion where the metal body is joined to the fat side joint portion and the resin body side protruding from the metal member main body. It has a protruding portion that forms a gap.

In this case, the metal member main body of the metal body forms a penetrating metal side space portion having a fully open opening on the resin body side and an opening having a protruding portion formed inward on the other side. Can be formed as. Further, as another metal body, the protruding portion may be formed so as to protrude outward from the metal member main body. In these cases, the protruding portion may be in the form of an inward or outward all-around flange.

Such a bonded structure is joined by energization heating joining because the mold cannot be easily pulled out from the gap in insert molding.

The energization heat bonding is, for example, as disclosed in Japanese Patent Application Laid-Open No. 2013-166349, a technique in which a metal body is heated by energization and the metal body and the resin body are pressed to be directly bonded (fixed). .. Unlike adhesives, the molecular bond between the metal body and the resin body does not allow moisture or the like to enter the joint surface, so that the bonded state is maintained for a long period of time. In particular, by applying the TRI treatment (surface treatment) to the metal joint surface, the resin and the TRI treatment are molecularly bonded, and a strong bond can be made. By applying an anchor treatment to the metal side, the bonding strength can be further increased.

Japanese Patent Application Laid-Open No. 2013-166349 describes in detail the invention of a joining method (fixing method) by energizing and heating a resin body and a metal body. Specifically, when the metal body is energized and reaches a predetermined set temperature, the metal body and the resin body are put together while maintaining the set temperature, and a predetermined pressure is applied to press them, and the process is continued for a predetermined time. After that, the energization is terminated, and the cooling mechanism is used to cool the metal while applying pressure to complete the fixing. The set temperature is a softening temperature of the resin body or a predetermined temperature higher than the softening temperature of the resin body by about 1 ° C. to several tens of ° C., and is appropriately set in advance by a trial experiment or the like. However, the set temperature is lower than the melting temperature of the resin body, and more preferably a temperature significantly lower than the melting temperature of the resin body.

As a result of conducting a tensile shear test on the joined member of a combination of several kinds of resin bodies and several kinds of metal bodies, the resin body was not broken and the fixed portion was not peeled off in all the tests. From this, it is clear that the joint strength is extremely strong.
The invention of the present application is not limited to the energization heating bonding under the conditions disclosed in JP2013-166349.

The material of the metal body is not particularly limited as long as it is a metal that can be energized. For example, steel materials such as stainless steel (SUS304) and ordinary steel sheet (SPCC), copper such as tough pitch copper (C1100), single non-ferrous metals such as aluminum and zinc, and various alloys including aluminum, nickel, chromium, titanium and copper. Metallic materials such as. Further, the shape of the metal body is appropriately formed by a conventional method. For example, it may be machined from solid wood by an automatic cutting machine such as a machining center.

The resin body may be any resin as long as it can be bonded to the metal body by energization heating bonding, and examples thereof include synthetic resins such as polybutylene terephthalate (PBT), polyphenylene sulfide (PPS), and polyamide (PA), and natural resins. Be done. Further, the shape of the resin body is appropriately formed by a conventional method such as injection molding.

Further, laser bonding can be used instead of energization heating bonding. In this case, the resin body may be a transparent resin capable of transmitting laser light. Examples thereof include synthetic resins such as polycarbonate, ABS resin, polycarbonate ABS (PCABS), polybutylene terephthalate (PBT), polyphenylene sulfide (PPS), and polyolefin resins, and natural resins.

Hereinafter, examples of the bonded structure of the present invention will be described. In the embodiment, as an example of the joint structure, a bracket or a cylinder having the bracket as a part thereof will be used. However, the present invention is not intended to be limited to these examples. Further, in the description of the embodiment described later, the same components of the above-described embodiment are designated by the same reference numerals, and duplicate description will be omitted.

In the first embodiment of the present invention, the bracket 1 shown in FIG. 1 fixes the first resin body 2a and the second resin body 2b and the first resin body 2a and the second resin body 2b by energization heating bonding. It is composed of a metal body 30 made of plastic. The bracket 1 can be connected by fitting the connecting bracket 20 having the connecting protruding portion 21 at the position of the first resin body 2a or the second resin body 2b.

FIG. 2 shows a resin body 2 corresponding to the first resin body 2a and the second resin body 2b. The resin body 2 is mainly composed of a resin member main body 3 and a protruding portion 9. The resin member main body 3 has a substantially octagonal outer circumference, and has a ring shape forming a resin side space portion 6 formed in a penetrating form in the center. Further, the resin space portion 6 has an opening 4 in a fully open form on one side of the resin member main body 3, and an opening 5 in which a protruding portion 9 is formed on the other side. Further, the projecting portions 9 are formed so as to project a plurality (8 in FIG. 1) inward at intervals on the inner wall of the resin member main body 3 on the resin space 6 side. The space between the protrusions 9 corresponds to a connection protrusion entry / exit portion 10 that allows the eight connection protrusions 21 of the connection bracket 20 to enter / exit. The distance between the protruding portions 9 is formed so that the eight connecting protruding portions 21 of the connecting bracket 20 can enter and exit. Further, the gap 14 between the opening 4 and the protruding portion 9 is also formed to have a size H that allows the eight connecting protruding portions 21 of the connecting bracket 20 to enter and exit. Further, the opening 4 side of the resin member main body 3 is a resin side joint portion 11 for joining with the metal body 30.

Further, the resin member main body 3 may be provided with a locking fitting portion for fitting or engaging with the lock operating portion 22 provided on the connecting bracket 20 and locking the connecting bracket so as not to move. .. For example, as shown in FIG. 2, eight fitting recesses 13 are provided as locking fitting portions on the outer peripheral surface of the resin member main body 3, and locks provided in the connecting bracket 20 in the fitting recesses 13 are provided. The operation unit 22 is fitted or hooked so that the connecting bracket 20 can be locked so as not to move. On the other hand, the lock operation unit 27 uses, for example, a leaf spring bent in a substantially Z shape, and as shown in FIG. 3, the leaf spring is elastically deformed by applying a force to the finger rest portion 26 to elastically deform the leaf spring portion. The position of 25 can be changed.

The lock operation unit is not limited to the leaf spring method described above. For example, various forms and structures such as a hinge portion, a protruding portion is provided in a portion that can be rotated by the hinge portion, and the protruding portion is fitted in a detachable form. Enter the category. Of course, it is also possible to form a lock operation portion on the bracket side and a lock fitting portion on the connecting bracket side.

The resin body 2 is formed of, for example, a synthetic resin such as PBT (polybutylene terephthalate), polyphenylene sulfide (PPS), or polyamide (PA), or a natural resin.

As shown in FIG. 1, the metal body 30 includes, for example, an aluminum (A1050) metal member main body 31 and a first metal side joint 32 and a second metal body 30 provided at two locations of the metal member main body 31. It is composed of the metal side joint portion 34 of the above. The metal member main body 31 is made of, for example, a rectangular metal plate material that is bent at one place so that an inclined portion of about 20 degrees is formed. The first metal side joint portion 32 is provided on one side of the metal member main body 31. Further, the second metal side joint portion 34 is provided on the other side having the opening 33 of the metal member main body 31 and on the surface opposite to the surface on which the first metal side joint portion 32 is formed. ..

Then, the first metal side joint portion 32 and the resin side joint portion 11 of the first resin body 2a, and the second metal side joint portion 34 and the resin side joint portion 11 of the resin body 2b are fixed by energization heating joining. .. As a result, between the inner surface of the metal body 30 and the inner surface of the projecting portion 9, the connecting projecting portion 21 of the connecting bracket 20 inserted from the connecting projecting portion entering / exiting portion 10 is fitted into the connecting protruding portion 21 so as to be accessible. A gap 14 (see FIG. 2) is formed.

As the metal body 30, any other metal body 30 can be used as long as it is a metal that can be energized. For example, steel materials such as stainless steel (SUS304) and ordinary steel sheet (SPCC), copper such as tough pitch copper (C1100), single non-ferrous metals such as aluminum and zinc, and various alloys including aluminum, nickel, chromium, titanium and copper. Metallic materials such as.

As shown in FIG. 3, the connecting bracket 20 has, for example, a disk-shaped base portion 23 (main body of a connecting resin member) made of PCABS (polycarbonate ABS) and a rising portion erected on one surface from the base portion 23. It is composed of a portion 24 and eight connecting projecting portions 21 provided on the outer periphery of the rising portion 24 in an outwardly projecting form at a distance from the base portion 23. A resin-side protruding portion entering / exiting portion 28 is formed between the connecting protruding portions 21 to which the protruding portion 9 of the resin body 2 enters / exits. Further, a gap 29 is formed between the base portion 24 and the connecting projecting portion 21 so that the projecting portion 9 can enter and exit.

The material of the connecting bracket is neither limited to PCABS nor limited to resin members. For example, it may be a material suitable for the resin body 2 described above, may be another material such as vinyl chloride, a steel material such as stainless steel (SUS304) or ordinary steel plate (SPCC), or copper such as tough pitch copper (C1100). , A single non-ferrous metal such as aluminum and zinc, and a metal material such as various alloys including aluminum, nickel, chromium, titanium and copper.

Further, the base portion 23 is locked by a curved leaf spring portion 25 provided in a protruding form on the rising portion 24 side from the outside of the base portion 23 and a finger contact portion 26 provided at the tip thereof. It has a part 27.

The lock operation unit 27 is used when performing a pushing operation in order to connect the connecting bracket 20 to the bracket 1. When connecting the connecting bracket 20 to the bracket 1, the finger contact portion 26 is pressed with the fingers of the hand to move the leaf spring portion 25 outward, the connecting protruding portion 21 is inserted into the connecting protruding portion entering / exiting portion 10, and the connecting bracket is connected. Turn 20 to determine the direction, release the finger rest portion 26, and turn the leaf spring portion 25 until it fits into the fitting recess 13. Then, the leaf spring portion 25 is automatically fitted or hooked into the fitting recess 13 by its inward urging force. When removing the connecting bracket 20 from the bracket 1, the finger contact portion 26 is pressed with the fingers of the hand to remove the leaf spring portion 25 from the fitting recess 13, and the connecting bracket 20 is lightly lifted and turned. As a result, when the connecting protruding portion 21 is located at the connecting protruding portion entrance / exit portion 10, it can be easily removed.

Next, in FIGS. 4 and 5, an example of a usage state when the bracket 1 is used for connecting the dashboard of an automobile and the cover of a smartphone is shown.

The first connecting bracket 20a (reference numeral 20 in FIG. 3) may be formed in advance on the dashboard, or may be fixed by energization heating bonding or laser bonding (or laser welding). Alternatively, it can be adhesively fixed with an adhesive or an adhesive. Further, the second connecting bracket 20b (reference numeral 20 in FIG. 3) is formed in advance on the bottom surface of the smartphone cover 38, or is fixed by energization heating joining or laser joining (or laser welding). Alternatively, it can be adhesively fixed with an adhesive or an adhesive.

Then, the first resin body 2a was connected to the first connecting bracket 20a, the second connecting bracket 20b was connected to the second resin body 2b, and the smartphone (not shown) was stored in the dashboard. The smart phone cover 38 can be attached.

FIG. 6 shows another bracket 44 of the present invention. The metal body 40 of the bracket 44 has a substantially L-shape having a first metal side joint 41 and a second metal side joint 42 provided on a surface perpendicular to the first metal side joint 41. Is formed in. Then, the resin body 46 is fixed to the first metal side joint 41 by energization heat bonding, and the connecting bracket 20 is fixed to the second metal side joint 42 by energization heat joining to form the bracket 44.

FIG. 7 shows the resin body 46. The resin body 46 is similar in form to the resin body 2 of the first embodiment, but the main difference is that the jaw portion where the leaf spring portion 25 of the lock operation portion 22 is hooked on the fitting recess 49 of the resin member main body 47. It is a point that formed 48.

FIG. 8 shows a used state in which the resin body 20b of the bracket 44 is attached to the connecting bracket 2b provided at the bottom of the smartphone cover 38.

9 and 10 show yet another bracket 67 according to the present invention. In the third embodiment, the metal body 54 is formed by a metal member main body 52 having a metal side joint 53 provided on the upper surface in FIG. 9 and a handle support portion 68 attached to a handle of a two-wheeled vehicle such as a bicycle or a motorcycle. Constitute.

A handle support portion 68 formed in a semi-curved shape in which half of the handle is inserted is provided on the lower front side of the metal member main body 52. A screw hole 55 is formed on the lower front surface of the handle support portion 68, and a flat pad contact portion 56 is formed on the front upper surface of the handle support portion 68. Further, on both side surfaces on the back side of the pad contact portion 56, claw hooking portions 57 with which the two hooking claws 69 of the pad holding body 64, which will be described later, are engaged with each other are provided. Further, a protrusion fitting hole 59 is provided on the lower surface side of the ceiling plate 58 forming the metal side joint 53 on the upper surface side.

As shown in FIG. 10, the metal body 54 can hold and fix the handle by the handle support portion 68 and the resin or metal fixing pad 63. The fixed pad 63 has a protrusion 60 to be inserted into the protrusion fitting hole 59 at the upper portion, a pad portion 61 to be applied to the pad contact portion 56 under the protrusion 60, and a half into which the handle is fitted under the pad portion 61. The handle support portion 62 in a curved shape is provided, and a screw through hole 66 is provided in the lower portion of the handle support portion 62.

The pad portion 61 applied to the pad contact portion 56 is on the upper side by a pad holding body 64 made of metal or resin in which the hooking claws 69, 69 hanging on the claw hooking portions 57, 57 are provided on both the left and right sides in a protruding form. It is in a form that can suppress.

Finally, as shown in FIG. 10, the bolt 65 is screwed into the screw hole 55 via the screw through hole 66 to fix the bolt 65.

A connecting bracket 20 which is a resin body is fixed to the metal side joint 53 by energization heating joining, thereby forming the bracket 67.

A fitting hole 51 for attaching / detaching a fitting claw 121 such as the battery case 120 shown in FIG. 11 may be provided on the back of the metal member main body 52.

Although not shown, the cap 70 has a protruding portion 9 connected to the connecting protruding portion 20 at the lower portion, and can protect the connecting protruding portion 20 when not in use.

FIG. 10 shows an example of the usage state of the bracket 67. A resin body 46 is fixed to the bottom of the smart phone cover 38 by laser bonding (or laser welding). However, it is also possible to bond and fix with an adhesive or an adhesive. The smart phone cover 38 can be attached to the bracket 67 by connecting the connecting protruding portion 20 to the resin body 46.
FIG. 12 is an example of a usage state in which the resin body 46 of the bracket 44 of the second embodiment is connected to the connecting bracket 20 of the bracket 67. Brackets can also be connected in this way.

FIG. 13 shows a bonded structure 80 composed of a resin body 85 and a metal body 90. In the fourth embodiment, the protruding portion 92 of the joint structure 80 is provided on the metal body 90 side.

The resin body 85 is composed of a bottomed cylindrical resin member main body 81 having a fully open opening 82 on one side and a bottom surface 91 on the other side. Further, the metal body 90 includes a substantially disk-shaped metal member main body 86 having a penetrating metal side space portion 87, and eight protrusions provided inwardly from the metal member main body 86. It is composed of a part 92. Between the projecting portions 92, for example, a connecting projecting portion entry / exit portion 88 that enables entry / exit of the connecting projecting portion 21 which is a projecting portion of the connecting bracket 20 is formed. The resin body 85 and the metal body 90 energize the resin side joint portion 84 provided on the opening 82 side of the resin member main body 81 and the metal side joint portion 89 provided on one surface of the metal member main body 86. It is joined by heat joining. As a result, a gap 93 is formed between the resin body 85 and the metal body 90.

Since the protruding portion 92 is a tough and heat-resistant metal, there is an advantage that the protruding portion 92 is not deformed or softened by heat.

14 and 15 show a bracket 103 formed by joining two metal bodies 90a and 90b to the resin body 105. The resin body 105 is composed of a cylindrical resin member main body 96 having openings 97 and 98 at both ends, and a partition portion 100 that partitions the central portion of the resin member main body 96. Then, the first resin-side joint 101 and the metal body 90a provided on one side of the resin member main body 96, and the second resin-side joint 102 and the metal body 90b provided on the other side are joined by energization and heating. It is joined. As a result, a resin-side space 99 that serves as a gap 93 is formed between the resin body and the metal body.

The form of the resin body can be various, for example, L-shaped, or a form having a plurality of arms having resin-side joints, such as fixing three or more metal bodies 90.

The bracket 108 shown in FIG. 16 is formed by joining a connecting bracket 20 which is a resin body and a resin body 46 to both ends of a substantially cylindrical metal body 110 by energization heating bonding. Further, FIG. 17 is an example of a usage state when the bracket 108 and the bracket 67 are connected. Brackets can also be connected in this way.

The bracket 114 shown in FIG. 18 is formed by joining a resin body 46 and a metal body 118. The metal body 118 is formed with three fitting holes 116 into which the claws 121 of the battery case 120 can be fitted. Further, the resin body 46 is joined to the metal side joint portion 117 formed on one surface of the metal body 118 by energization heating joining. Further, FIG. 19 is an example of a usage state when the bracket 114 and the bracket 67 are connected. Brackets can also be connected in this way.

In the bracket 200 shown in FIG. 20, the protruding portion 9 projects inward from the resin member main body to the metal body 220 provided with the fixing hole 230 for fixing the bracket 200 at a desired position with screws or the like. The resin body 210 is joined. The metal body 220 is formed, for example, in a substantially rectangular shape larger than the resin side joint portion of the resin body 210, and a fixing hole 230 is formed in the flange portion of the metal body 220.

Further, in the connecting bracket 300 shown in FIG. 21, the connecting protruding portion 21 is a connecting resin member main body in a metal body 320 provided with a fixing hole 330 for fixing the bracket 300 at a desired position by a screw or the like. The resin body 310 protruding outward from the surface is joined. The metal body 320 is formed, for example, in a substantially rectangular shape larger than the resin side joint portion of the resin body 310, and a fixing hole 330 is formed in the flange portion of the metal body 320.

The shapes of the metal bodies 220 and 320 can be arbitrarily changed depending on the usage mode, and are not limited to square shapes. Further, the positions of the fixing holes 230 and 330 can also be formed at arbitrary positions.

Further, the bracket may be formed with a locking concave portion for engaging with a locking convex portion provided on another connecting bracket and locking the connecting bracket so as not to move. For example, as shown in FIG. 22, a locking recess 430 is provided at the tip of the protruding portion 419 of the resin body 410 of the bracket. Further, as shown in FIG. 22, the resin body 510 of the connecting bracket is also formed with an engageable locking convex portion 530 corresponding to the locking concave portion 430. The locking convex portion 530 may be provided on the lower side (not shown, but on the metal body side) of the connecting protruding portion 519, which is the rising portion 540. Further, the locking convex portion 530 may be formed in a size that elastically deforms within a rotatable range when the bracket and the connecting bracket are rotated and fitted. As a result, when the connecting protrusion portion 519 of the connecting bracket is inserted into the connecting protrusion portion entry / exit portion 418 of the bracket and then the bracket and the connecting bracket are relatively rotated, the locking convex portion of the connecting bracket becomes the locking concave portion of the bracket. Can engage with and connect with each other.

In the above-described embodiment, for convenience, the one in which the protruding portion of the joint structure protrudes inward is used as a bracket, and the one in which the protruding portion protrudes outward is used as a connecting bracket. The one protruding outward may be used as a bracket, and the one protruding inward may be used as a connecting bracket.

Further, in the above description of the joint structure or bracket, the forms of the resin body and the metal body are described in a substantially circular shape, but the form is not limited to this form, and depending on the application, a polygonal body or a curved body is used. Various forms such as a shaped shape can be adopted.

The one shown in FIG. 24 is a cylinder 600 composed of a metal cylinder chamber forming portion (metal body 620) forming the cylinder chamber and a cylinder complementary portion (resin body 610) joined to the outside of the cylinder chamber forming portion. The bracket of the present invention is applied to the cylinder. It is preferable that the cylinder complementary portion is joined to the outside of the cylinder chamber forming portion so that the cylinder chamber is airtight.

Here, the cylinder means, for example, a cylinder made of metal and resin as disclosed in Japanese Patent Application Laid-Open No. 2011-196459. That is, it is mainly composed of a cylinder chamber forming portion having a metal cylinder tube and forming a cylinder chamber, and a resin cylinder complementary portion formed by being fixed to the outside of the cylinder chamber forming portion. Further, when the piston rod can be reciprocated in the cylinder tube, the piston rod 651 can be reciprocated by the action of the fluid pressure by providing a piston that operates in the cylinder chamber by the action of the fluid pressure.

The cylinder chamber forming portion has a metal cylinder tube and a cover that closes the opening of the cylinder tube, whereby the cylinder chamber is formed.

The cylinder tube is made of a metal such as iron, stainless steel, aluminum, copper, titanium, brass or an alloy thereof, and has a thin-walled structure having a tubular shape with both ends open or a bottomed tubular shape with one end open. Further, the cylinder tube is formed with an suction / exhaust port for sucking / discharging a fluid such as a gas or a liquid in the cylinder chamber. If the inner wall on the opening side is provided with a stepped groove that can lock the cover described later, assembly and the like can be facilitated.

The cover is formed according to the cross-sectional shape of the inner wall of the cylinder tube, closes the opening in the axial direction of the cylinder tube, and forms the cylinder chamber. When the cylinder tube has a tubular shape with both ends open, it is composed of a head cover that closes the opening on one end side of the cylinder tube and a rod cover that closes the opening on the other end side of the cylinder tube. When the cylinder tube has a bottomed cylinder shape, only a rod cover that closes the opening on one end side is sufficient. Here, the shape of the cover is formed so as to come into contact with the cylinder tube when the opening of the cylinder tube is closed, and by fixing the cylinder complementary portion described later, the cover is integrated with the cylinder tube and does not separate. The structure is preferable.

A rod hole through which the piston rod 651 can be inserted is formed in the substantially central portion of the rod cover. Further, a bush and a piston packing are formed so as to be arranged between the piston rod 651 and the rod hole, whereby the cylinder chamber can be made airtight.

As the material of the cover, for example, a metal such as iron, stainless steel, aluminum, copper, titanium, brass or an alloy thereof can be used. Further, it may be made of resin.

The cylinder complementary portion has a structure for complementing the function of the cylinder, and is formed on the outside of the cylinder chamber forming portion by using a resin. For example, a pressure-resistant reinforcing portion is formed that covers the outside of the cylinder tube or the cover and reinforces the pressure-resistant strength thereof. As the resin, for example, polyphenylene sulfide (PPS), polybutylene terephthalate (PBT), nylon, polyphthalamide (PPA), ABS resin, polystyrene (PS) and the like can be used.

Further, the cylinder complementary portion may be formed with a seal portion so as to close the space between the cylinder tube and the cover in order to make the cylinder chamber airtight.

Further, the cylinder complementary part is equipped with a suction / exhaust part for connecting a pipe for sucking / discharging a fluid such as gas or liquid to the cylinder chamber through the above-mentioned suction / exhaust port, and a sensor for attaching a sensor for detecting the position of the piston. The portions may be integrally molded. The sensor mounting portion may have any shape as long as it can mount a sensor for detecting the position. For example, the axial direction of the cylinder tube (the moving direction of the piston described later) is outside the cylinder tube. It is formed as a concave sensor mounting groove or a convex sensor mounting rail extending along the line. Further, a plurality of the sensor mounting grooves may be provided, and may be formed on the surfaces facing each other with the cylinder chamber as the center.

The piston rod 651 is formed in a rod-like or hollow tubular shape made of a metal such as iron, stainless steel, aluminum, copper, titanium, brass or an alloy thereof, and is formed on one end side in the axial direction of the piston rod 651. The piston is attached.

The piston is formed to be approximately the same size as the inner wall of the cylinder tube. As a result, the cylinder chamber is divided into a first cylinder chamber on the rod cover side and a second cylinder chamber on the head cover side (the bottom side of the cylinder tube when the cylinder tube is formed in a bottomed tubular shape). Then, when the fluid, for example, air is taken into the first cylinder chamber and pressurized from the first intake / exhaust portion that supplies the fluid to the first cylinder chamber, the piston moves to the head cover side. Further, when air is taken into the second cylinder chamber and pressurized from the second intake / exhaust portion that supplies the fluid to the second cylinder chamber, the piston moves to the rod cover side. In this way, the piston and the piston rod 651 reciprocate in the cylinder chamber by the action of fluid pressure.

In the embodiment, the cylinder chamber forming portion forming the cylinder chamber is a metal body 620, and the cylinder complementary portion is a resin body 610. From the resin member main body corresponding to the conventional cylinder complementary portion, a protruding portion 619 forming a gap with the metal body 620 side is formed so that the connecting protruding portion 719 of the other connecting bracket 700 can be fitted. Cylinder.

Further, in the connecting bracket 700, the connecting protruding portion 719 projects inward from the resin member main body to the metal body 720 provided with the fixing hole 730 for fixing the bracket 700 at a desired position by a screw or the like. It is a bonded resin body 710. The metal body 720 has a collar portion bent perpendicularly to the surface of the resin body 710 with the resin side joint portion, and a fixing hole 730 is formed in the flange portion.

By forming the cylinder 600 in this way, the number of parts for mounting the cylinder 600 can be reduced, and the mounting process can be simplified. Moreover, since it is not necessary to use a tool or the like, the cylinder can be easily attached even in a very narrow space. In addition, the weight can be reduced as compared with the conventional one, and the usage can be expanded.

1: Bracket 2: Resin body 2a: First resin body 2b: Second resin body 3: Resin member main body 4: Opening 5: Opening 6: Resin side space 9: Protruding part 10: Connecting protruding part In / out part 11: Resin side joint 13: Fitting recess 14: Gap 20: Connection bracket 20a: First connection bracket 20b: Second connection bracket 21: Connection protrusion 27: Lock operation part 30: Metal body 31: Metal Member body 32: First metal side joint 34: Second metal side joint 40: Metal body 41: First metal side joint 42: Second metal side joint 44: Bracket 46: Resin body 47 : Resin member body 49: Fitting recess 52: Metal member body 53: Metal side joint 54: Metal body 67: Bracket 80: Joint structure 81: Resin member body 82: Opening 84: Resin side joint 85 : Resin body 86: Metal member body 87: Metal side space 89: Metal side joint 90: Metal body 90a: Metal body 90b: Metal body 92: Protruding part 93: Gap 96: Resin member body 97: Opening 98 : Opening 99: Resin side space 101: Resin side joint 105: Resin body 108: Bracket 110: Metal body 114: Bracket 118: Metal body 200: Bracket 210: Resin body 220: Metal body 230: Fixing hole 300: Connecting bracket 310: Resin body 320: Metal body 330: Fixing hole 410: Resin body 419: Protruding portion 430: Locking recess 510: Resin body 519: Connecting protruding portion 530: Locking convex portion 600: Cylinder 610: Resin body 619: Protruding part 620: Metal body 700: Connecting bracket 710: Resin body 719: Connecting protruding part 720: Metal body 730: Fixing hole

Claims (12)

A bracket that can be connected to a connecting bracket that has an outward connecting protrusion.
With a metal body having a metal side joint,
A resin member main body having a resin side joint to be joined to the metal side joint and forming a penetrating resin side space having openings on the metal body side and the other side, and a protrusion from the resin member main body. A resin body having an inwardly projecting portion that forms a gap between the metal body side and the connecting projecting portion so as to be matable.
The connecting bracket rotates unless the lock operating portion formed on the outer peripheral surface of the resin member main body and provided on the connecting bracket is engaged with the locking operating portion to release the fitting and unlock the lock. A locking fitting for locking so that it does not move,
A bracket characterized by being equipped with. A bracket that can be connected to a connecting bracket that has an inwardly connecting protruding portion.
With a metal body having a metal side joint,
A gap is formed between the resin member main body having the resin side joint portion to be joined to the metal side joint portion and the metal body side so as to project from the resin member main body and fit with the connecting protruding portion. A resin body having an outwardly protruding portion, and
By fitting with the locking fitting portion provided on the outer peripheral surface of the connecting bracket, the connecting bracket is locked so as not to rotate, and by removing the fitting, the connecting bracket is locked so as to rotate. Lock operation unit for releasing the
A bracket characterized by being equipped with. A bracket that can be connected to a connecting bracket that has an outward connecting protrusion.
With a resin body having a resin side joint,
A metal member main body having a metal side joint portion to be joined to the resin side joint portion and forming a penetrating metal side space portion having openings on the resin body side and the other side, and a protrusion from the metal member main body. A metal body having an inwardly projecting portion that forms a gap between the resin body side and the connecting projecting portion so as to be matable.
The connecting bracket rotates unless the lock operating portion formed on the outer peripheral surface of the metal member main body and provided on the connecting bracket is engaged with the locking operating portion to release the fitting and unlock the lock. A locking fitting for locking so that it does not move,
A bracket characterized by being equipped with. A bracket that can be connected to a connecting bracket that has an inwardly connecting protruding portion.
With a resin body having a resin side joint,
A gap is formed between the metal member main body having the metal side joint portion to be joined to the resin side joint portion and the resin body side so as to project from the metal member main body and fit with the connecting protrusion portion. A metal body having an outwardly protruding portion, and
By fitting with the locking fitting portion provided on the outer peripheral surface of the connecting bracket, the connecting bracket is locked so as not to rotate, and by removing the fitting, the connecting bracket is locked so as to rotate. Lock operation unit for releasing the
A bracket characterized by being equipped with. A bracket that can be connected to a connecting bracket that has a connecting protrusion
A metal body having a metal member body having a metal side joint, a handle support for attaching to the handle, and a metal body having a metal body.
A resin member main body having a resin side joint to be joined to the metal side joint and forming a penetrating resin side space having openings on the metal body side and the other side, and a protrusion from the resin member main body. A resin body having an inwardly projecting portion that forms a gap between the metal body side and the connecting projecting portion of the connecting bracket so as to be matable.
The connecting bracket rotates unless the lock operating portion formed on the outer peripheral surface of the resin member main body and provided on the connecting bracket is engaged with the locking operating portion to release the fitting and unlock the lock. A locking fitting for locking so that it does not move,
A bracket characterized by being equipped with. A bracket that can be connected to a connecting bracket that has a connecting protrusion
A metal body having a metal member body having a metal side joint, a handle support for attaching to the handle, and a metal body having a metal body.
A gap between the resin member main body having the resin side joint portion to be joined to the metal side joint portion and the metal body side so as to project from the resin member main body and fit with the connecting protruding portion of the connecting bracket. A resin body having an outwardly protruding portion forming the
By fitting with the locking fitting portion provided on the outer peripheral surface of the connecting bracket, the connecting bracket is locked so as not to rotate, and by removing the fitting, the connecting bracket is locked so as to rotate. Lock operation unit for releasing the
A bracket characterized by being equipped with. The bracket according to claim 5 or 6, further comprising a fixing pad for sandwiching the handle together with the handle support portion. A bracket that can be connected to a connecting bracket that has a connecting protrusion
(1) A metal body having a metal side joint and
A resin member main body having a resin side joint to be joined to the metal side joint and forming a penetrating resin side space having openings on the metal body side and the other side, and a protrusion from the resin member main body. A resin body having,
The connecting bracket rotates unless the lock operating portion formed on the outer peripheral surface of the resin member main body and provided on the connecting bracket is engaged with the locking operating portion to release the fitting and unlock the lock. A locking fitting for locking so that it does not move,
Joined structure with
(2) A metal body having a metal side joint and
A gap between the resin member main body having the resin side joint portion to be joined to the metal side joint portion and the metal body side so as to project from the resin member main body and fit with the connecting protruding portion of the connecting bracket. A resin body having an outwardly protruding portion forming the
By fitting with the locking fitting portion provided on the outer peripheral surface of the connecting bracket, the connecting bracket is locked so as not to rotate, and by removing the fitting, the connecting bracket is locked so as to rotate. Lock operation unit for releasing the
Joined structure with
(3) A resin body having a resin side joint and
A metal member main body having a metal side joint portion to be joined to the resin side joint portion and forming a penetrating metal side space portion having openings on the resin body side and the other side, and a protrusion from the metal member main body. A metal body having,
The connecting bracket rotates unless the lock operating portion formed on the outer peripheral surface of the metal member main body and provided on the connecting bracket is engaged with the locking operating portion to release the fitting and unlock the lock. A locking fitting for locking so that it does not move,
Joined structure with
(4) A resin body having a resin side joint and
Between the metal member main body having the metal side joint portion to be joined to the resin side joint portion and the resin body side so as to project from the metal member main body and fit with the connecting protruding portion of the connecting bracket. A metal body having an outward protruding portion forming a gap, and
By fitting with the locking fitting portion provided on the outer peripheral surface of the connecting bracket, the connecting bracket is locked so as not to rotate, and by removing the fitting, the connecting bracket is locked so as to rotate. Lock operation unit for releasing the
Joined structure with
A bracket having a plurality of joint structures according to any of the above, wherein the joint structures are arranged at an angle or vertically. The bracket according to any one of claims 1 to 8, wherein the metal-side joint and the resin-side joint are joined by energization heating joint or laser joint. The invention according to any one of claims 1 to 9, wherein the connecting bracket has a locking concave portion for engaging with the locking convex portion provided on the other connecting bracket and locking the connecting bracket so as not to move. Described bracket. The invention according to any one of claims 1 to 9, wherein the connecting bracket has a locking convex portion for engaging with the locking concave portion provided on the other connecting bracket and locking the connecting bracket so as not to move. Described bracket. The bracket according to any one of claims 1 to 4, wherein the bracket has a fixing hole for fixing in a desired position.

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