CN203442076U - Combined high-molecular material gear structure - Google Patents
Combined high-molecular material gear structure Download PDFInfo
- Publication number
- CN203442076U CN203442076U CN201320476421.2U CN201320476421U CN203442076U CN 203442076 U CN203442076 U CN 203442076U CN 201320476421 U CN201320476421 U CN 201320476421U CN 203442076 U CN203442076 U CN 203442076U
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- CN
- China
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- gear
- gear ring
- macromolecular material
- ring inserts
- combined type
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Abstract
For solving the problems of complex machining process, higher cost and easy generation of meshing noise of a metal gear, the lower strength and very limited transmission load of the high-molecular material gear, and the like existing in the prior art, the utility model provides a combined high-molecular material gear structure, comprising a metal insert, a gear ring insert and a high-molecular material gear profile; connecting teeth and embedding slots are arranged at the excircle of the metal insert; the number, distribution position and size of the embedding slots are matched with locking teeth at the inner circle of the gear ring insert; the locking teeth are arranged at the inner circle of the gear ring insert; gear rings are arranged at the excircle of the gear ring insert; the tooth number, distribution position and size of the gear rings are matched with the high-molecular material gear profile; the high-molecular material gear profile is a high-molecular material gear formed at the outside of a combined part of the metal insert and the gear ring insert by injection molding. The combined high-molecular material gear structure has the beneficial effects that the strength and rigidity of the high-molecular material gear are effectively improved, the loading capability of the high-molecular material gear is improved, the manufacturing process is simple and the cost is lower.
Description
Technical field
The utility model relates to a kind of built-up gear structure, specially refers to a kind of combined type macromolecular material gear structure.
Background technique
Prior art gear adopts metallic material manufacture conventionally, through base, and gear hobbing, gear shaping, shaving, obtains gear after the machinings such as roll flute, and also having a kind of manufacture method is to obtain gear after adopting powder metallurgical technique to adopt the repressed and sintering of metallic dust.The advantage of metallic material gear is that intensity is high, and wear resistance is good, and resistance to high temperature might as well; Shortcoming is that processing technology is complicated, and cost is higher, and, due to the existence of running clearance, processing and assembly error in couple gear, in metal gear running, easily produce engagement noise.Gear train assembly for load request far below metal gear intensity, the gear that can adopt macromolecular material injection molding forming method to process.The gear of macromolecular material has good absorbing performance, can avoid the gearing noise of gear operation, and manufacturing process is relatively simple, but because the intensity of macromolecular material is lower, its driven load is very limited, and its application area is also very limited.Obviously, prior art metal gear exists processing technology complexity, cost is higher and the problem such as easy generation engagement noise, and macromolecular material gear exists the problems such as the lower and driven load of intensity is very limited.
Summary of the invention
In order to solve, the processing technology that prior art metal gear exists is complicated, cost is higher and easy generation engagement noise, and the problem such as the intensity that exists of macromolecular material gear is lower and driven load is very limited, the utility model proposes a kind of combined type macromolecular material gear structure.The utility model combined type macromolecular material gear structure comprises metal Inlaid part, gear ring inserts and macromolecular material flute profile; Metal inserted piece cylindrical is provided with connection teeth and caulking groove, and the stop tooth of the quantity of its caulking groove, distributing position and size and gear ring inserts inner circle matches, and is provided with lightening grooves at its both sides end face; Gear ring inserts inner circle is provided with stop tooth, cylindrical is provided with gear ring, the number of teeth of its gear ring, distributing position and size and macromolecular material flute profile match, and described macromolecular material flute profile is that injection moulding is at the macromolecular material gear in metal inserted piece and gear ring inserts assembly parts outside.
Further, the macromolecular material flute profile of the utility model combined type macromolecular material gear structure is the non-structure that runs through, between the extrorse tooth of gear shaft and tooth, be provided with the linkage structure that is full of interdental space, strengthen muscle, its axial thickness that strengthens muscle is 1 to 5mm.
Further, the stop tooth quantity of the utility model combined type macromolecular material gear structure gear ring inserts is more than three or three, and uniform on circumference.
Further, the gear ring inserts quantity of the utility model combined type macromolecular material gear structure is more than one, and in axially even, corresponding setting.
Further, the metal Inlaid part of the utility model combined type macromolecular material gear structure is metallic sintered products.
Further, the metal inserted piece of the utility model combined type macromolecular material gear structure and gear ring inserts assembly parts are riveted structure.
Further, the utility model combined type macromolecular material gear structure is provided with riveted holes at metal inserted piece end face, and the corresponding interior edge face at gear ring inserts arranges rivet pin, or at the corresponding position of gear ring inserts, riveted holes is set; Adopt rivet pin or rivet that metal inserted piece and gear ring inserts are fixedly riveted together.
The useful technique effect of the utility model combined type macromolecular material gear structure is intensity and the rigidity that effectively improves macromolecular material gear, improves the load-carrying ability of macromolecular material gear, and its manufacturing process is simple, and cost is lower.
Accompanying drawing explanation
Accompanying drawing 1 is the front elevational schematic of the utility model combined type macromolecular material gear structure;
Accompanying drawing 2 is front elevational schematic of the utility model gear structure metal Inlaid part;
Accompanying drawing 3 is that cross-sectional schematic is looked on the right side of the utility model gear structure, both the A-A cross-sectional schematic in accompanying drawing 1;
Accompanying drawing 4 is front elevational schematic of the utility model gear structure metal Inlaid part and the combination of gear ring inserts;
Accompanying drawing 5 is that cross-sectional schematic is looked on the right side of the utility model gear structure metal Inlaid part and the combination of gear ring inserts;
Accompanying drawing 6 is that cross-sectional schematic is looked on the right side that the utility model gear structure metal Inlaid part and gear ring inserts combine another embodiment;
Accompanying drawing 7 is front elevational schematic of the utility model gear structure band riveted holes metal Inlaid part.
Below in conjunction with the drawings and specific embodiments, the utility model combined type macromolecular material gear structure is further described.
Embodiment
Accompanying drawing 1 is the front elevational schematic of the utility model combined type macromolecular material gear structure, and accompanying drawing 2 is front elevational schematic of the utility model gear structure metal Inlaid part, and accompanying drawing 3 is that cross-sectional schematic is looked on the right side of the utility model combined type macromolecular material gear structure.In figure, 1 is metal inserted piece, and 2 is gear ring inserts, and 3 is macromolecule flute profile, and 11 is caulking groove, and 12 is connection teeth, and 13 is lightening grooves, and 21 is stop tooth, and 22 is gear ring, and 31 for strengthening muscle.As seen from the figure, the utility model combined type macromolecular material gear structure comprises metal Inlaid part 1, gear ring inserts 2 and macromolecular material flute profile 3; Metal inserted piece 1 cylindrical is provided with connection teeth 12 and caulking groove 11, and the stop tooth 21 of the quantity of its caulking groove 11, distributing position and size and gear ring inserts 2 inner circles matches, and is provided with lightening grooves 13 at its both sides end face; Gear ring inserts 2 inner circles are provided with stop tooth 21, cylindrical is provided with gear ring 22, the number of teeth of its gear ring 22, distributing position and size and macromolecular material flute profile 3 match, and described macromolecular material flute profile 3 is the macromolecular material gear of injection moulding in metal inserted piece 1 and gear ring inserts 2 assembly parts outsides.The utility model combined type macromolecular material gear structure embeds gear ring inserts in macromolecular material gear the inside, and gear ring inserts is combined on metal Inlaid part, during gear engagement, because macromolecular material hardness is low, toughness is high, has good absorbing performance, therefore, gear tooth noise significantly reduces.Meanwhile, metal Inlaid part and gear ring inserts make again the intensity of gear and rigidity all effectively improve.For guaranteeing the join strength of metal inserted piece and macromolecule profile of tooth, at metal inserted piece cylindrical, be provided with connection teeth, increase area of contact and the intensity of metal inserted piece and macromolecule profile of tooth.The caulking groove that is arranged on metal inserted piece cylindrical combines with the stop tooth that is arranged on gear ring inserts inner circle, can effectively prevent the relative movement of metal inserted piece and gear ring inserts.The macromolecular material profile of tooth of the utility model combined type macromolecular material gear structure is the non-structure that runs through, and between the extrorse tooth of gear shaft and tooth, is provided with the linkage structure that is full of interdental space, strengthens muscle, and its axial thickness that strengthens muscle is 1 to 5mm.Strengthen muscle, make to form and be connected between stressed tooth and non-stress tooth, increased the load-carrying ability of stressed tooth, further increased intensity and the rigidity of gear.
Accompanying drawing 4 is front elevational schematic of the utility model gear structure metal Inlaid part and the combination of gear ring inserts, accompanying drawing 5 is that cross-sectional schematic is looked on the right side of the utility model gear structure metal Inlaid part and the combination of gear ring inserts, accompanying drawing 6 is that cross-sectional schematic is looked on the right side that the utility model gear structure metal Inlaid part and gear ring inserts combine another embodiment, in figure, 1 is metal inserted piece, 2 is gear ring inserts, and 3 is macromolecule flute profile, and 21 is stop tooth.As seen from the figure, the stop tooth quantity of the utility model combined type macromolecular material gear structure gear ring inserts is more than three or three, and uniform on circumference, stressed even to guarantee.In addition, the metal Inlaid part of the utility model combined type macromolecular material gear structure and the axial thickness of gear ring inserts are not identical, and its gear ring inserts quantity is more than one, and in axially even, corresponding setting.In the embodiment shown in Figure 5, gear ring inserts is one, and the number of teeth of gear ring, distributing position and size and macromolecular material flute profile match, the injection moulding of macromolecular material flute profile, in the outside of metal inserted piece and gear ring inserts assembly parts, has effectively improved intensity and the rigidity of macromolecular material gear.And in the embodiment shown in accompanying drawing 6, gear ring inserts is two, and in axially even, corresponding setting.Thus, increased " skeleton " intensity of gear, improved the distribution of force of gear, made the load-carrying ability of the utility model combined type macromolecular material gear structure, and intensity and rigidity are further enhanced.
For convenience of manufacturing and reducing manufacture cost, the metal Inlaid part of the utility model combined type macromolecular material gear structure is metallic sintered products.Powder metallurgical technique adopts metallic dust compacting, sintering to form, and manufacturing efficiency is higher, and cost is lower.
Accompanying drawing 7 is front elevational schematic of the utility model gear structure band riveted holes metal Inlaid part, and in figure, 14 is riveted holes.As seen from the figure, the utility model combined type macromolecular material gear structure metal inserted piece and gear ring inserts assembly parts are riveted structure, are about to gear ring inserts and are riveted on metal Inlaid part.Attached embodiment illustrated in fig. 7 be to be provided with riveted holes at metal inserted piece end face, the corresponding interior edge face at gear ring inserts arranges rivet pin; During installation, rivet pin is inserted to riveted holes hammering or pressing, can be by metal inserted piece together with gear ring inserts fixed combination, guaranteed effective connection between the two and fixing; Or, at the corresponding position of gear ring inserts, be provided with riveted holes, then adopt the rivet can be by metal inserted piece together with gear ring inserts fixed combination, guaranteed effective connection between the two and fixing.
Obviously, the useful technique effect of the utility model combined type macromolecular material gear structure is intensity and the rigidity that effectively improves macromolecular material gear, improves the load-carrying ability of macromolecular material gear, and its manufacturing process is simple, and cost is lower.
Claims (7)
1. a combined type macromolecular material gear structure, is characterized in that: this gear structure comprises metal Inlaid part, gear ring inserts and macromolecular material flute profile; Metal inserted piece cylindrical is provided with connection teeth and caulking groove, and the stop tooth of the quantity of its caulking groove, distributing position and size and gear ring inserts inner circle matches, and is provided with lightening grooves at its both sides end face; Gear ring inserts inner circle is provided with stop tooth, cylindrical is provided with gear ring, the number of teeth of its gear ring, distributing position and size and macromolecular material flute profile match, and described macromolecular material flute profile is that injection moulding is at the macromolecular material gear in metal inserted piece and gear ring inserts assembly parts outside.
2. combined type macromolecular material gear structure according to claim 1, it is characterized in that: macromolecular material flute profile is the non-structure that runs through, between the extrorse tooth of gear shaft and tooth, be provided with the linkage structure that is full of interdental space, strengthen muscle, its axial thickness that strengthens muscle is 1 to 5mm.
3. combined type macromolecular material gear structure according to claim 1, is characterized in that: the stop tooth quantity of gear ring inserts is more than three or three, and uniform on circumference.
4. combined type macromolecular material gear structure according to claim 1, is characterized in that: gear ring inserts quantity is more than one, and axially evenly, corresponding setting.
5. combined type macromolecular material gear structure according to claim 1, is characterized in that: metal Inlaid part is metallic sintered products.
6. combined type macromolecular material gear structure according to claim 1, is characterized in that: metal inserted piece and gear ring inserts assembly parts are riveted structure.
7. combined type macromolecular material gear structure according to claim 6, it is characterized in that: the riveted structure of metal inserted piece and gear ring inserts assembly parts is included in metal inserted piece end face and is provided with riveted holes, the corresponding interior edge face at gear ring inserts arranges rivet pin, or at the corresponding position of gear ring inserts, riveted holes is set; Adopt rivet pin or rivet that metal inserted piece and gear ring inserts are fixedly riveted together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476421.2U CN203442076U (en) | 2013-08-06 | 2013-08-06 | Combined high-molecular material gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476421.2U CN203442076U (en) | 2013-08-06 | 2013-08-06 | Combined high-molecular material gear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442076U true CN203442076U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476421.2U Withdrawn - After Issue CN203442076U (en) | 2013-08-06 | 2013-08-06 | Combined high-molecular material gear structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352972A (en) * | 2013-08-06 | 2013-10-16 | 中国嘉陵工业股份有限公司（集团） | Combined high-polymer material gear structure |
-
2013
- 2013-08-06 CN CN201320476421.2U patent/CN203442076U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352972A (en) * | 2013-08-06 | 2013-10-16 | 中国嘉陵工业股份有限公司（集团） | Combined high-polymer material gear structure |
| CN103352972B (en) * | 2013-08-06 | 2015-10-14 | 中国嘉陵工业股份有限公司（集团） | Combined type high-polymer material gear structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20151014 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |