Gear level sheath assembly
Technical field
The present invention relates to a kind of gear level sheath assembly.
Background technique
Existing gear level sheath assembly, generally comprise leather sheath and be fixed on leather sheath bottom protect frame, protect frame comprise in protect frame and protect frame outward, protect on the lower surface of frame in the bottom of leather sheath is wrapped in, protect the below that frame is arranged on leather sheath outward, that is protect frame in and protect frame outward and the bottom of leather sheath is clamped, when assembling, generally first leather sheath and the interior frame glue that protects are adhesively fixed, and then the interior frame that protects is snapped into and outer protects on frame, like this, just make assembly process comparatively loaded down with trivial details, be easier to make mistakes, and bonding being easier to of glue is come unstuck, leather sheath is made to be connected insecure with the interior frame that protects.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of gear level sheath assembly, and it is easy to assembly and assembling is firm.
For solving the problems of the technologies described above, gear level sheath assembly provided by the invention, it comprise leather sheath and be fixed on leather sheath bottom protect frame, protect frame comprise in protect frame and protect frame outward, protect on the lower surface of frame in the bottom of leather sheath is wrapped in, protect the below that frame is arranged on leather sheath outward, the lower surface inside protecting frame is provided with multiple welding post, leather sheath and protecting outward on frame is provided with and welding post through hole one to one, welding post passes leather sheath all successively and protects corresponding through hole on frame outward, and the equal fusion pressure in lower end of welding post protects on the lower surface of frame outside;
The parts by weight protecting frame in described and protect each component in frame are outward: polyphenylene oxide resin 30-50 part, unsaturated polyester resin 40-60 part, glass fibre 4-8 part, benzophenone 5-10 part, stearate 10-15 part, fatty acid 3-6 part, fire retardant 5-10 part, plumbago 4-8 part.
As preferably, the lower surface protecting the corner of frame in described is provided with recess, and the corner parcel of leather sheath fusion pressure are at recess.
After adopting above structure, the present invention compared with prior art, has following advantage:
When being assemblied in gear level sheath assembly, protect on the lower surface of frame in first the bottom of leather sheath being wrapped in, the welding post protected now on the lower surface of frame passes corresponding through hole on leather sheath, and then by welding post through protecting corresponding through hole on frame outward, like this, inside protect frame and protect frame outward and just the bottom of leather sheath is clamped, then protected outside on the lower surface of frame by the lower end fusion pressure of fusion pressure equipment by welding post, after on the lower end of welding post is protected frame outside lower surface by fusion pressure, frame is protected in just making, leather sheath and protect frame outward and interfix, complete the assembling of this gear level sheath assembly, assembling more for convenience, and fixation after assembling.
And in the present invention in protect frame and protect the toughness of frame outward, intensity is all higher, is convenient to processing and resistance to heat is better.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is STRUCTURE DECOMPOSITION figure of the present invention;
Fig. 3 is worm's eye view of the present invention;
Fig. 4 is the A-A direction view in Fig. 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
Shown in Fig. 1 ~ Fig. 4, gear level sheath assembly of the present invention comprise leather sheath 1 and be fixed on leather sheath 1 bottom protect frame, protect frame comprise in protect frame 2 and protect frame 3 outward, protect on the lower surface of frame 2 in the bottom of leather sheath 1 is wrapped in, protect the below that frame 3 is arranged on leather sheath 1 outward, the lower surface inside protecting frame 2 is provided with multiple welding post 201, leather sheath 1 and protecting outward on frame 3 is provided with and welding post 201 through hole one to one, welding post 201 passes leather sheath 1 all successively and protects corresponding through hole on frame 3 outward, and the equal fusion pressure in lower end of welding post 201 protects on the lower surface of frame 3 outside.
The lower surface protecting the corner of frame 2 in described is provided with recess 202, and the corner of leather sheath 1 parcel fusion pressure are at recess 202.
Due to the corner of leather sheath 1 be wrapped in protect the corner of frame 2 lower surface on time, the corner of leather sheath 1 easily produces wrinkle, thus the corner of leather sheath 1 is heaved from the interior lower surface protecting the corner of frame 2, like this, after on the lower surface protecting frame 2 in leather sheath 1 is wrapped in, the part out-of-flatness protecting the lower surface of frame 2 in being wrapped in of leather sheath 1 will be made, protect frame 3 outside will making like this leather sheath 1 cannot be clamped closely, frame 3 is protected outside will making, leather sheath 1 and interior protecting between frame 2 cannot be connected firmly, and in the present invention, owing to being provided with recess 202 at the interior lower surface protecting the corner of frame 2, when leather sheath 1 corner parcel and fusion pressure in recess 202 after, the corner indent of leather sheath 1, even if the corner of leather sheath 1 produces wrinkle, also the corner of leather sheath 1 is made can not to heave from the interior lower performance protecting the corner of frame 2, and pass through the corner fusion pressure of leather sheath 1 in recess 202, the corner of leather sheath 1 can be made more smooth, leather sheath 1 can be made and protect frame 3 outward and contact closely, frame 2 is protected in making, leather sheath 1 with protect frame 3 outward and be connected each other closely.
The parts by weight protecting frame 2 in described and protect each component in frame 3 are outward:
Embodiment one
Polyphenylene oxide resin 30 parts, unsaturated polyester resin 40 parts, 4 parts, glass fibre, benzophenone 5 parts, stearate 10 parts, 3 parts, fatty acid, fire retardant 5 parts, plumbago 4 parts.
Embodiment two
Polyphenylene oxide resin 40 parts, unsaturated polyester resin 50 parts, 6 parts, glass fibre, benzophenone 8 parts, stearate 12 parts, 5 parts, fatty acid, fire retardant 8 parts, plumbago 6 parts.
Embodiment three
Polyphenylene oxide resin 50 parts, unsaturated polyester resin 60 parts, 8 parts, glass fibre, benzophenone 10 parts, stearate 15 parts, 6 parts, fatty acid, fire retardant 10 parts, plumbago 8 parts.
Below only apply preferably example with regard to the present invention and made explanation, but can not be interpreted as it is limitations on claims, structure of the present invention can have other to change, and is not limited to said structure.In a word, all various changes done in the protection domain of independent claims of the present invention are all in protection scope of the present invention.