CN211901499U - Composite gear - Google Patents
Composite gear Download PDFInfo
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- CN211901499U CN211901499U CN202020379717.2U CN202020379717U CN211901499U CN 211901499 U CN211901499 U CN 211901499U CN 202020379717 U CN202020379717 U CN 202020379717U CN 211901499 U CN211901499 U CN 211901499U
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- annular groove
- annular
- insert
- gear
- base body
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Abstract
The utility model discloses a composite gear, which comprises a gear base body made of metal materials, wherein a shaft hole is arranged in the gear base body, a circle of annular groove is arranged on the outer peripheral wall of the gear base body, a plurality of first teeth which are uniformly distributed in the circumferential direction are arranged on the outer peripheral surface of the gear base body positioned at two sides of the annular groove, and the first teeth positioned at two sides of the annular groove are arranged in a one-to-one correspondence manner; an annular insert is poured in the annular groove, second teeth which are in one-to-one correspondence with the first teeth on the two sides of the annular groove are arranged on the outer circumferential surface of the annular insert, a plurality of first bulges which are circumferentially distributed are arranged at the bottom of the annular groove, and the first bulges are embedded in the annular insert after the annular insert is poured in the annular groove; the utility model discloses raw materials when can avoiding pouring into a mould annular inserts enter into the shaft hole of gear base member to appear deckle edge on the pore wall in the shaft hole of gear base member, can ensure the precision of gear promptly.
Description
Technical Field
The utility model relates to the technical field of gears, concretely relates to compound gear.
Background
The gear is the transmission part who uses commonly among the drive mechanism, present gear mainly has two kinds, one kind is the gear of steel material, another kind is the gear of nylon material, the gear intensity of steel material is higher but the shortcoming that has big noise at the during operation, the gear of nylon material has the noise low but the shortcoming that intensity is little at the during operation, in order to reach the gear of steel material and the complementary purpose of the gear advantage of nylon material, a steel material and the compound gear of nylon material have appeared on the market at present, but two kinds of materials in the compound gear on the market are when carrying out the complex at present, the nylon material enters into in the shaft hole of the gear base member of steel material easily, so, produce deckle edge in can making the gear base member's of steel material the shaft hole, and this deckle edge is difficult to process and get rid of, thereby can influence the precision of gear.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a composite gear, this composite gear sets up the first protruding back of a plurality of through the bottom at the annular groove, behind the pouring annular inserts in the annular groove, first arch can be embedded into in the annular inserts, so, the annular inserts can realize spacing with the circumference of gear base member, in addition, after adopting this kind of mode, raw materials when can avoiding pouring annular inserts enter into the shaft hole of gear base member, thereby can avoid appearing deckle edge on the pore wall in the shaft hole of gear base member, can ensure the precision of gear promptly.
The utility model discloses a composite gear, including the gear base member made by metal material, be provided with the shaft hole in the gear base member, the axis of shaft hole coincides with the axis of gear base member, is provided with round annular groove on the periphery wall of gear base member, all is provided with a plurality of first tooth that are circumference evenly distributed on the outer periphery of the gear base member that is located annular groove both sides, the first tooth that is located annular groove both sides one-to-one sets up; the annular insert is poured in the annular groove, second teeth which are in one-to-one correspondence with the first teeth on the two sides of the annular groove are arranged on the outer circumferential surface of the annular insert, a plurality of first bulges which are distributed in the circumferential direction are arranged at the bottom of the annular groove, and the first bulges are embedded in the annular insert after the annular insert is poured in the annular groove.
The utility model discloses a composite gear, wherein, each first protrusion is a strip rib structure, and each first protrusion extends along the axial direction of the gear base body; after adopting this kind of structure, after the annular insert pours into the annular groove, can improve the gomphosis firmness of first arch and annular insert to and can improve the grip of annular insert and gear base body circumference.
The utility model discloses a composite gear, wherein, be provided with a plurality of first blind holes that are circumferential distribution in the gear base member of one side of the annular groove, every first blind hole all communicates with the annular groove, has all poured into a mould the first inserts in every first blind hole, and first inserts and annular inserts link in an organic whole; through the setting of first blind hole and first inserts, pour into a mould first blind hole back at first inserts, can further realize spacing with the circumference of gear base body annular inserts.
The utility model discloses a composite gear, wherein, be provided with a plurality of second blind holes that are circumferential distribution in the gear base member of annular groove opposite side, every second blind hole all communicates with annular groove, has all poured into a mould the second inserts in every second blind hole, and the second inserts is connected in an organic whole with annular inserts; through the setting of second blind hole and second inserts, after the second inserts pours into the second blind hole, can further realize spacing with the circumference of gear base body annular inserts.
The utility model discloses a composite gear, wherein, be provided with a plurality of first through-holes that are circumferential distribution in the gear base member of annular groove opposite side, every first through-hole all communicates with annular groove, has all poured into a mould the third inserts in every first through-hole, and the third inserts is connected in an organic whole with annular inserts; through the setting of first through-hole and third inserts, after the third inserts was poured into a mould first through-hole, can further realize spacing with the circumference of gear base body annular inserts.
The utility model discloses a composite gear, wherein, be provided with a plurality of second through-holes that are circumferential distribution in the gear base member of one side of the annular groove, every second through-hole all communicates with the annular groove, has all poured in every second through-hole and has had the fourth inserts, and the fourth inserts is connected in an organic whole with the annular inserts; through the setting of second through-hole and fourth inserts, pour into a mould the back in the second through-hole at the fourth inserts, can further realize spacing with the circumference of gear base body annular inserts.
The utility model discloses a composite gear, wherein, be provided with a plurality of second archs that are circumferential distribution and link to each other with the gear base member on one of them lateral wall of annular groove, after pouring the annular inserts in the annular groove, the second arch is embedded in the annular inserts; through the bellied setting of second, after annular insert pours into annular groove, the second is protruding can be embedded into annular insert, so, can further realize spacing annular insert and gear base's circumference.
The utility model discloses a composite gear, wherein, be provided with a plurality of third archs that are circumferential distribution and link to each other with the gear base member on another lateral wall of annular groove, after pouring the annular inserts in the annular groove, the third arch is embedded in the annular inserts; through the setting of the third bulge, after the annular insert is poured into the annular groove, the third bulge can be embedded into the annular insert, so that the circumferential limitation of the annular insert and the gear base body can be further realized.
By adopting the above structure, the utility model, this compound gear sets up the first protruding back of a plurality of through the bottom at the annular groove, behind the annular insert of pouring in the annular groove, first arch can be embedded into in the annular insert, so, the annular insert can realize spacing with the circumference of gear base member, in addition, after adopting this kind of mode, raw materials when can avoiding pouring the annular insert enter into the shaft hole of gear base member, thereby can avoid appearing deckle edge on the pore wall in the shaft hole of gear base member, can ensure the precision of gear promptly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a schematic right-view structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a second embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a third embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a fourth embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a fifth embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a sixth embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of a seventh embodiment of the present invention.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Implementation mode one
As shown in fig. 1-3, the composite gear of the present invention includes a gear base 1 made of a metal material, a shaft hole 11 is formed in the gear base 1, an axis of the shaft hole 11 coincides with an axis of the gear base 1, a ring of annular groove 12 is formed in an outer circumferential wall of the gear base 1, a plurality of first teeth 13 are uniformly distributed in a circumferential direction on outer circumferential surfaces of the gear base 1 on both sides of the annular groove 12, and the first teeth 13 on both sides of the annular groove 12 are arranged in a one-to-one correspondence manner; the annular insert 2 is poured into the annular groove 12, second teeth 21 which are arranged in one-to-one correspondence with the first teeth 13 on the two sides of the annular groove 12 are arranged on the outer circumferential surface of the annular insert 2, a plurality of first bulges 14 which are circumferentially distributed are arranged at the bottom of the annular groove 12, and the first bulges 14 are embedded into the annular insert 2 after the annular insert 2 is poured into the annular groove 12; by adopting the above structure, the utility model, this compound gear sets up the first protruding back of a plurality of through the bottom at the annular groove, behind the annular insert of pouring in the annular groove, first arch can be embedded into in the annular insert, so, the annular insert can realize spacing with the circumference of gear base member, in addition, after adopting this kind of mode, raw materials when can avoiding pouring the annular insert enter into the shaft hole of gear base member, thereby can avoid appearing deckle edge on the pore wall in the shaft hole of gear base member, can ensure the precision of gear promptly.
Each first protrusion 14 is of a long strip rib-shaped structure, and each first protrusion 14 extends along the axial direction of the gear base body 1; after adopting this kind of structure, after the annular insert pours into the annular groove, can improve the gomphosis firmness of first arch and annular insert to and can improve the grip of annular insert and gear base body circumference.
Second embodiment
As shown in fig. 4, unlike the first embodiment: a plurality of first blind holes 15 distributed circumferentially are formed in the gear base body 1 on one side of the annular groove 12, each first blind hole 15 is communicated with the annular groove 12, a first insert 22 is poured into each first blind hole 15, and the first inserts 22 are connected with the annular insert 2 into a whole; through the setting of first blind hole and first inserts, pour into a mould first blind hole back at first inserts, can further realize spacing with the circumference of gear base body annular inserts.
Third embodiment
As shown in fig. 5, the second embodiment is different from the first embodiment in that: a plurality of second blind holes 16 distributed circumferentially are formed in the gear base body 1 on the other side of the annular groove 12, each second blind hole 16 is communicated with the annular groove 12, a second insert 23 is poured into each second blind hole 16, and the second inserts 23 are connected with the annular insert 2 into a whole; through the setting of second blind hole and second inserts, after the second inserts pours into the second blind hole, can further realize spacing with the circumference of gear base body annular inserts.
Embodiment IV
As shown in fig. 6, the second embodiment is different from the first embodiment in that: a plurality of first through holes 17 distributed circumferentially are formed in the gear base body 1 on the other side of the annular groove 12, each first through hole 17 is communicated with the annular groove 12, a third insert 24 is poured into each first through hole 17, and the third inserts 24 are connected with the annular inserts 2 into a whole; through the setting of first through-hole and third inserts, after the third inserts was poured into a mould first through-hole, can further realize spacing with the circumference of gear base body annular inserts.
Fifth embodiment
As shown in fig. 7, unlike the first embodiment: a plurality of second through holes 18 distributed circumferentially are formed in the gear base body 1 on one side of the annular groove 12, each second through hole 18 is communicated with the annular groove 12, a fourth insert 25 is poured into each second through hole 18, and the fourth inserts 25 are connected with the annular insert 2 into a whole; through the setting of second through-hole and fourth inserts, pour into a mould the back in the second through-hole at the fourth inserts, can further realize spacing with the circumference of gear base body annular inserts.
Sixth embodiment
As shown in fig. 8, unlike the first embodiment: a plurality of second bulges 121 which are circumferentially distributed and connected with the gear matrix 1 are arranged on one side wall of the annular groove 12, and after the annular insert 2 is poured into the annular groove 12, the second bulges 121 are embedded into the annular insert 2; through the bellied setting of second, after annular insert pours into annular groove, the second is protruding can be embedded into annular insert, so, can further realize spacing annular insert and gear base's circumference.
Seventh embodiment
As shown in fig. 9, the sixth embodiment is different from the first embodiment in that: a plurality of third bulges 122 which are circumferentially distributed and connected with the gear base body 1 are arranged on the other side wall of the annular groove 12, and after the annular insert 2 is poured into the annular groove 12, the third bulges 122 are embedded into the annular insert 2; through the setting of the third bulge, after the annular insert is poured into the annular groove, the third bulge can be embedded into the annular insert, so that the circumferential limitation of the annular insert and the gear base body can be further realized.
It should be noted that: the annular inserts, the first insert, the second insert, the third insert and the fourth insert in the above embodiments are made of nylon or plastic materials, and the gear base body in the above embodiments may be made of steel materials and the like.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A composite gear comprises a gear base body (1) made of a metal material, wherein a shaft hole (11) is formed in the gear base body (1), the axis of the shaft hole (11) coincides with the axis of the gear base body (1), a circle of annular groove (12) is formed in the outer peripheral wall of the gear base body (1), a plurality of first teeth (13) which are uniformly distributed in the circumferential direction are arranged on the outer circumferential surface of the gear base body (1) on two sides of the annular groove (12), and the first teeth (13) on two sides of the annular groove (12) are arranged in a one-to-one correspondence manner; annular insert (2) is poured in annular groove (12), be provided with on the outer periphery of annular insert (2) with second tooth (21) that first tooth (13) one-to-one of annular groove (12) both sides set up, its characterized in that: the bottom of the annular groove (12) is provided with a plurality of first bulges (14) which are distributed in the circumferential direction, and after the annular insert (2) is poured into the annular groove (12), the first bulges (14) are embedded into the annular insert (2).
2. A composite gear wheel according to claim 1, characterised in that each first elevation (14) is of an elongated rib-like structure, each first elevation (14) extending in the axial direction of the gear wheel base body (1).
3. The composite gear according to claim 1 or 2, characterized in that a plurality of first blind holes (15) distributed circumferentially are arranged in the gear base body (1) on one side of the annular groove (12), each first blind hole (15) is communicated with the annular groove (12), a first insert (22) is poured in each first blind hole (15), and the first inserts (22) are connected with the annular insert (2) into a whole.
4. The composite gear according to claim 3, characterized in that a plurality of second blind holes (16) distributed circumferentially are arranged in the gear base body (1) on the other side of the annular groove (12), each second blind hole (16) is communicated with the annular groove (12), a second insert (23) is poured into each second blind hole (16), and the second inserts (23) are connected with the annular insert (2) into a whole.
5. The composite gear according to claim 3, wherein a plurality of first through holes (17) are circumferentially distributed in the gear base body (1) on the other side of the annular groove (12), each first through hole (17) is communicated with the annular groove (12), a third insert (24) is poured in each first through hole (17), and the third inserts (24) are connected with the annular insert (2) into a whole.
6. The composite gear according to claim 1 or 2, wherein a plurality of second through holes (18) distributed circumferentially are formed in the gear base body (1) on one side of the annular groove (12), each second through hole (18) is communicated with the annular groove (12), a fourth insert (25) is cast in each second through hole (18), and the fourth insert (25) is connected with the annular insert (2) into a whole.
7. The composite gear according to claim 1 or 2, wherein a plurality of second protrusions (121) which are distributed circumferentially and connected with the gear base body (1) are arranged on one side wall of the annular groove (12), and after the annular insert (2) is poured into the annular groove (12), the second protrusions (121) are embedded into the annular insert (2).
8. The composite gear according to claim 7, characterized in that a plurality of third protrusions (122) which are circumferentially distributed and connected with the gear base body (1) are arranged on the other side wall of the annular groove (12), and after the annular insert (2) is cast in the annular groove (12), the third protrusions (122) are embedded in the annular insert (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379717.2U CN211901499U (en) | 2020-03-23 | 2020-03-23 | Composite gear |
| TW110202325U TWM612878U (en) | 2020-03-23 | 2021-03-04 | Composite gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379717.2U CN211901499U (en) | 2020-03-23 | 2020-03-23 | Composite gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901499U true CN211901499U (en) | 2020-11-10 |
Family
ID=73269440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020379717.2U Active CN211901499U (en) | 2020-03-23 | 2020-03-23 | Composite gear |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211901499U (en) |
| TW (1) | TWM612878U (en) |
-
2020
- 2020-03-23 CN CN202020379717.2U patent/CN211901499U/en active Active
-
2021
- 2021-03-04 TW TW110202325U patent/TWM612878U/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TWM612878U (en) | 2021-06-01 |
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