CN205260801U - Derailleur handball - Google Patents
Derailleur handball Download PDFInfo
- Publication number
- CN205260801U CN205260801U CN201521126663.4U CN201521126663U CN205260801U CN 205260801 U CN205260801 U CN 205260801U CN 201521126663 U CN201521126663 U CN 201521126663U CN 205260801 U CN205260801 U CN 205260801U
- Authority
- CN
- China
- Prior art keywords
- groove
- deep gouge
- inner core
- sluice way
- recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a derailleur handball, its phenomenon that can avoid appearing the overlap at subsequent in -process of moulding plastics. Derailleur handball includes the inner core, is equipped with first drainage between one at first recess no. 1 and second recess and says one, is equipped with the second drainage between one at the one and the 5th recess of second recess and says one, is equipped with the third drainage between one at the 5th recess the one and the 6th recess and says one, is equipped with fourth drainage way no. 1 between one at the 7th recess the one and the 6th recess, and fourth drainage way no. 1 still is linked together with the 5th heavy groove, being equipped with first drainage way no. 2 between two at first recess no. 2 and second recess, being equipped with the second drainage between two at the two and the 5th recess of second recess and saying two, be equipped with the third drainage between two at the 5th recess the two and the 6th recess and say two, be equipped with the fourth drainage between two at the 7th recess the two and the 6th recess and say two, the fourth drainage says that two still are linked together with the 7th heavy groove.
Description
Technical field
The utility model belongs to the technical field of shift of transmission operating mechanism, specifically relates to a kind of for implementing the speed changer handball of gear shift operation.
Background technology
Speed changer handball is the parts of shift of transmission operating mechanism, and it is fixed on the top ends of gear level. Conventionally, speed changer handball comprises inner core, clad, tail cover and decorative cover etc., and decorative cover is arranged on the top of inner core, and tail cover is arranged on the bottom of inner core, and clad is coated on inner core. Wherein, inner core is by Shooting Technique moulding. Clad is then also set on inner core by injection molding process. In existing speed changer knob structure, be the phenomenon of avoiding occurring on inner core reprinting books in a reduce format, conventionally on inner core, design the structure of groove. Although obtaining good heat radiation in the time of moulding, the inner core of this structure avoids occurring the phenomenon of reprinting books in a reduce format, but the die cavity of the mould using in follow-up Shooting Technique or material runner are more complicated, need corresponding raising to penetrate pressure, so just very easily occur the phenomenon of overlap. To this, on inner core, be provided with after the groove for dispelling the heat, how to avoid the phenomenon that occurs overlap in follow-up injection moulding process to become the technical problem that urgently those skilled in the art solve.
Summary of the invention
The purpose of this utility model is to provide a kind of speed changer handball, and it can avoid occurring the phenomenon of overlap in follow-up injection moulding process.
For solving the problems of the technologies described above, the purpose of this utility model is achieved in that
A kind of speed changer handball, comprises inner core, it is characterized in that: on a side of inner core, be provided with the 5th deep gouge and the 6th deep gouge, be provided with the 7th deep gouge and the 8th deep gouge on the another side of inner core; On a side of inner core, be provided with groove structure one, on the another side of inner core, be provided with groove structure two; Groove structure one comprises the first groove one and the second groove one that are located at successively the 5th deep gouge front, between the 5th deep gouge and the 6th deep gouge, be provided with successively the 3rd groove one and the 4th groove one, between the second groove one and the 3rd groove one, be provided with successively the 5th groove one and the 6th groove one, the 5th groove one and the 6th groove one are positioned at the below of the 5th deep gouge, between the second groove one and the 3rd groove one, be also provided with the top that the 7th groove one, the seven groove one is positioned at the 5th deep gouge; Groove structure two comprises the first groove two and the second groove two that are located at successively the 7th deep gouge front, between the 7th deep gouge and the 8th deep gouge, be provided with successively the 3rd groove two and the 4th groove two, between the second groove two and the 3rd groove two, be provided with successively the 5th groove two and the 6th groove two, the 5th groove two and the 6th groove two are positioned at the below of the 7th deep gouge, between the second groove two and the 3rd groove two, be also provided with the top that the 7th groove two, the seven grooves two are positioned at the 7th deep gouge; Between the first groove one and the second groove one, be provided with the first sluice way one, between the second groove one and the 5th groove one, be provided with the second sluice way one, between the 5th groove one and the 6th groove one, be provided with the 3rd sluice way one, between the 7th groove one and the 6th groove one, being provided with the 4th sluice way one, the four sluice way one is also connected with the 5th deep gouge; Between the first groove two and the second groove two, be provided with the first sluice way two, between the second groove two and the 5th groove two, be provided with the second sluice way two, between the 5th groove two and the 6th groove two, be provided with the 3rd sluice way two, between the 7th groove two and the 6th groove two, being provided with the 4th sluice way two, the four sluice ways two is also connected with the 7th deep gouge.
On the basis of such scheme and as the preferred version of such scheme: be provided with successively the 8th groove one and the 9th groove one at the rear of the 4th groove one, the 8th groove one and the 9th groove one are positioned at the top of the 6th deep gouge, also be provided with the below that the tenth groove one, the ten groove one is positioned at the 6th deep gouge at the rear of the 4th groove one.
On the basis of such scheme and as the preferred version of such scheme: be provided with successively the 8th groove two and the 9th groove two at the rear of the 4th groove two, the 8th groove two and the 9th groove two are positioned at the top of the 8th deep gouge, also be provided with the below that the tenth groove two, the ten grooves two are positioned at the 8th deep gouge at the rear of the 4th groove two.
On the basis of such scheme and as the preferred version of such scheme: be provided with the 5th sluice way one, the five sluice way one and be also connected with the 6th deep gouge between the 8th groove one and the tenth groove one.
On the basis of such scheme and as the preferred version of such scheme: be provided with the 5th sluice way two, the five sluice ways two and be also connected with the 8th deep gouge between the 8th groove two and the tenth groove two.
The utility model compared to existing technology outstanding and useful technique effect is:
The utility model speed changer handball, by be provided with the structure of the first sluice way one, the second sluice way the one, the 3rd sluice way the one, the 4th sluice way one, the first sluice way two, the second sluice way the two, the 3rd sluice way two, the 4th sluice way two on inner core, make in follow-up injection molding process, can be convenient to material is correspondingly injected in groove structure by above-mentioned sluice way, can correspondingly reduce ejaculation pressure, thereby can avoid occurring the phenomenon of overlap in follow-up injection moulding process.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of inner core.
Fig. 3 is the front view of inner core.
Fig. 4 is the rearview of inner core.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-Fig. 4;
It should be noted that, in embodiment, alleged " first ", " second ", " the 3rd ", " the 4th ", " the 5th ", " the 6th ", " the 7th ", " the 8th ", " the 9th ", " the tenth " etc. are not to the restriction quantitatively of relevant art feature, but the name of making for distinguishing correlation technique feature.
In this enforcement, the one end on inner core with " the first groove one ", " the first groove two " is defined as to front end, the orientation at its place is front; The one end on inner core with " the tenth groove one ", " the tenth groove two " is defined as to rear end, and the orientation at its place is rear.
The present embodiment has provided a kind of speed changer handball, comprises inner core 1, filler and clad 2. On inner core, be provided with groove structure. In the present embodiment, groove structure is multiple non-perfoliate grooves, and its width at inner core has certain degree of depth. Certainly,, as the direct distortion of this structure, groove structure can be also perfoliate groove, can also combine with perfoliate groove for non-perfoliate groove. This inner core with groove structure is injection mo(u)lding. Conventionally it adopts PA6+33%GF material.
In groove structure, be filled with filler. Conventionally, can adopt Shooting Technique to make to be provided with filler in groove structure. Filler can be selected ABS material. Certainly, also can adopt other mode to make to be provided with filler in groove structure.
Outside at inner core and filler is provided with clad, and clad passes through Shooting Technique moulding on inner core. Conventionally, clad adopts TPU material to make. The outer surface of the inner surface of clad and the outer surface of filler, inner core is affixed. As shown in FIG., clad only covers the local surfaces of inner core and the most surfaces of filler. As a kind of embodiment of example, clad also can all standing inner core and filler.
The speed changer handball that the present embodiment provides, inner core has groove structure, and this just makes it in the time of injection mo(u)lding, have good heat-sinking capability, can be by good cooling, can effectively avoid occurring the phenomenon of reprinting books in a reduce format. Moreover speed changer handball main body forms three structures, i.e. inner core, filler and clad comparatively speaking, has good heat-sinking capability in the time of injection mo(u)lding, avoided inner core and clad to occur the phenomenon of reprinting books in a reduce format.
The manufacture method of this speed changer handball is: (1) is the step with the inner core of groove structure by injection molding process manufacture; (2) complete after above-mentioned steps, adopt the step of injection molding process moulding filler in groove structure; (3) complete after above-mentioned steps, adopt the step of injection molding process forming covered layer on inner core and filler.
In the present embodiment, filler and clad adopt forming process structure separately. Specifically, filler adopts one-shot forming technique, and clad adopts another one-shot forming technique. Owing to being filled with filler in groove structure, make coating thickness well-balanced, in the time of injection mo(u)lding, there is good heat-sinking capability, also can, by good cooling, effectively avoid clad to occur the phenomenon of reprinting books in a reduce format. The outer surface of filler and the outer surface of inner core flush, and the outer surface of filler is connected mutually with the outer surface of inner core, the overall curved surface that its two formation is coherent. By adopting this structure, make the thickness of clad more well-balanced, more can avoid clad to occur the phenomenon of reprinting books in a reduce format.
Referring to Fig. 2-Fig. 4, in the present embodiment, on the top of inner core 1, be provided with the first deep gouge 31, the second deep gouge 32, the 3rd deep gouge 33 and the 4th deep gouge 34, on a side 1a of inner core 1, be provided with the 5th deep gouge 35 and the 6th deep gouge 36, the 5th deep gouge 35 is connected with the first deep gouge 31, and the 5th deep gouge is mutually vertical with the first deep gouge, the 6th deep gouge 36 is connected with the second deep gouge 32, and the 6th deep gouge is mutually vertical with the second deep gouge; On the 1b of the another side of inner core 1, be provided with the 7th deep gouge 37 and the 8th deep gouge 38, the 7th deep gouge 37 is connected with the 3rd deep gouge 33, and the 7th deep gouge is mutually vertical with the 3rd deep gouge, the 8th deep gouge 38 is connected with the 4th deep gouge 34, and the 8th deep gouge is mutually vertical with the 4th deep gouge. In the present embodiment, on madial wall, the madial wall of the 3rd deep gouge and the madial wall of the 4th deep gouge of the madial wall of the first deep gouge, the second deep gouge, be equipped with Ka Tai, this Ka Tai is fixing for speed changer handball decorative cover 4. Although deep gouge is as the fabrication hole of card platform moulding, deep gouge also has the function of heat radiation, can further avoid inner core to occur the phenomenon of reprinting books in a reduce format.
Above-mentioned groove structure comprises groove structure on a side 1a who is arranged on inner core one and is arranged on the groove structure two on the another side 1b of inner core, and groove structure one is symmetrical arranged with two one-tenth of groove structures.
In the present embodiment, as shown in FIG., groove structure one comprises the first groove 1 and the second groove 1 that are located at successively the 5th deep gouge 35 fronts, between the 5th deep gouge 35 and the 6th deep gouge 36, be provided with successively the 3rd groove 1 and the 4th groove 1, between the second groove 1 and the 3rd groove 1, be provided with successively the 5th groove 1 and the 6th groove 1, the 5th groove 1 and the 6th groove 1 are positioned at the below of the 5th deep gouge, between the second groove 1 and the 3rd groove 1, be also provided with the 7th groove 1, the 7th groove 1 is positioned at the top of the 5th deep gouge 35, be provided with successively the 8th groove 1 and the 9th groove 1 at the rear of the 4th groove 1, the 8th groove one and the 9th groove one are positioned at the top of the 6th deep gouge 36, also be provided with the tenth groove 1 at the rear of the 4th groove 1, the tenth groove one is positioned at the below of the 6th deep gouge 36.
As shown in FIG., groove structure two comprises the first groove 2 61 and the second groove 2 62 that are located at successively the 7th deep gouge 37 fronts, between the 7th deep gouge and the 8th deep gouge, be provided with successively the 3rd groove 2 63 and the 4th groove 2 64, between the second groove two and the 3rd groove two, be provided with successively the 5th groove 2 65 and the 6th groove 2 66, the 5th groove 2 65 and the 6th groove 2 66 are positioned at the below of the 7th deep gouge 37, between the second groove 2 62 and the 3rd groove 2 63, be also provided with the 7th groove 2 67, the 7th groove 2 67 is positioned at the top of the 7th deep gouge 37, be provided with successively the 8th groove 2 68 and the 9th groove 2 69 at the rear of the 4th groove 2 64, the 8th groove two and the 9th groove two are positioned at the top of the 8th deep gouge 38, also be provided with the tenth groove 2 610 at the rear of the 4th groove 2 64, the tenth groove two is positioned at the below of the 8th deep gouge 38.
Referring to Fig. 3, Fig. 4, in the present embodiment, between the first groove 1 and the second groove 1, be provided with the first sluice way 1, as shown in FIG., between the first groove one and the second groove one, there is cell wall, the first sluice way one forms by process recessed groove on cell wall, makes in the time of injection mo(u)lding filler, can be convenient to material and be introduced in the second groove one after the first groove one. In like manner, between the second groove 1 and the 5th groove 1, be provided with the second sluice way 1, between the 5th groove one and the 6th groove one, be provided with the 3rd sluice way 1, between the 7th groove 1 and the 6th groove 1, be provided with the 4th sluice way 1, the 4th sluice way one is also connected with the 5th deep gouge, between the 8th groove 1 and the tenth groove 1, being provided with the 5th sluice way the one 75, five sluice way one is also connected with the 6th deep gouge 36. Between the first groove 2 61 and the second groove 2 62, be provided with the first sluice way 2 81, between the second groove 2 62 and the 5th groove 2 65, be provided with the second sluice way 2 82, between the 5th groove 2 65 and the 6th groove 2 66, be provided with the 3rd sluice way 2 83, between the 7th groove two and the 6th groove two, be provided with the 4th sluice way 2 84, the 4th sluice way two is also connected with the 7th deep gouge 37, between the 8th groove 2 68 and the tenth groove 2 610, being provided with the 5th sluice way the 2 85, five sluice way two is also connected with the 8th deep gouge 38. By be provided with the structure of above-mentioned sluice way on inner core, make in follow-up injection molding process, being convenient to material can correspondingly be injected in groove structure by above-mentioned sluice way, can correspondingly reduce ejaculation pressure, thereby can avoid occurring the phenomenon of overlap in follow-up injection moulding process.
As shown in FIG., inner core 1 comprises head 11 and waist 12, its two one-body molded. The surface of head and the surface of waist form step surface. As shown in Figure 1, on the top of head, for assembling speed changer handball decorative cover 4, waist overlaps 9 jackets for speed changer handball tail.
Referring to Fig. 3 in the present embodiment, a part for the tenth groove 1 is positioned on head 11, and another part of the tenth groove 1 is positioned on waist 12; A part for the tenth groove 2 610 is positioned on head 11, and another part of the tenth groove 2 610 is positioned on waist 12. Adopt this structure, make also to avoid to occur the phenomenon of reprinting books in a reduce format on the waist of inner core.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (5)
1. a speed changer handball, comprises inner core, it is characterized in that: on a side of inner core, be provided with the 5th deep gouge and the 6th deep gouge, be provided with the 7th deep gouge and the 8th deep gouge on the another side of inner core; On a side of inner core, be provided with groove structure one, on the another side of inner core, be provided with groove structure two; Groove structure one comprises the first groove one and the second groove one that are located at successively the 5th deep gouge front, between the 5th deep gouge and the 6th deep gouge, be provided with successively the 3rd groove one and the 4th groove one, between the second groove one and the 3rd groove one, be provided with successively the 5th groove one and the 6th groove one, the 5th groove one and the 6th groove one are positioned at the below of the 5th deep gouge, between the second groove one and the 3rd groove one, be also provided with the top that the 7th groove one, the seven groove one is positioned at the 5th deep gouge; Groove structure two comprises the first groove two and the second groove two that are located at successively the 7th deep gouge front, between the 7th deep gouge and the 8th deep gouge, be provided with successively the 3rd groove two and the 4th groove two, between the second groove two and the 3rd groove two, be provided with successively the 5th groove two and the 6th groove two, the 5th groove two and the 6th groove two are positioned at the below of the 7th deep gouge, between the second groove two and the 3rd groove two, be also provided with the top that the 7th groove two, the seven grooves two are positioned at the 7th deep gouge; Between the first groove one and the second groove one, be provided with the first sluice way one, between the second groove one and the 5th groove one, be provided with the second sluice way one, between the 5th groove one and the 6th groove one, be provided with the 3rd sluice way one, between the 7th groove one and the 6th groove one, being provided with the 4th sluice way one, the four sluice way one is also connected with the 5th deep gouge; Between the first groove two and the second groove two, be provided with the first sluice way two, between the second groove two and the 5th groove two, be provided with the second sluice way two, between the 5th groove two and the 6th groove two, be provided with the 3rd sluice way two, between the 7th groove two and the 6th groove two, being provided with the 4th sluice way two, the four sluice ways two is also connected with the 7th deep gouge.
2. speed changer handball according to claim 1, it is characterized in that: be provided with successively the 8th groove one and the 9th groove one at the rear of the 4th groove one, the 8th groove one and the 9th groove one are positioned at the top of the 6th deep gouge, also be provided with the below that the tenth groove one, the ten groove one is positioned at the 6th deep gouge at the rear of the 4th groove one.
3. speed changer handball according to claim 1, it is characterized in that: be provided with successively the 8th groove two and the 9th groove two at the rear of the 4th groove two, the 8th groove two and the 9th groove two are positioned at the top of the 8th deep gouge, also be provided with the below that the tenth groove two, the ten grooves two are positioned at the 8th deep gouge at the rear of the 4th groove two.
4. speed changer handball according to claim 2, is characterized in that: between the 8th groove one and the tenth groove one, be provided with the 5th sluice way one, the five sluice way one and be also connected with the 6th deep gouge.
5. speed changer handball according to claim 3, is characterized in that: between the 8th groove two and the tenth groove two, be provided with the 5th sluice way two, the five sluice ways two and be also connected with the 8th deep gouge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126663.4U CN205260801U (en) | 2015-12-29 | 2015-12-29 | Derailleur handball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126663.4U CN205260801U (en) | 2015-12-29 | 2015-12-29 | Derailleur handball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205260801U true CN205260801U (en) | 2016-05-25 |
Family
ID=56002330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521126663.4U Expired - Fee Related CN205260801U (en) | 2015-12-29 | 2015-12-29 | Derailleur handball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205260801U (en) |
-
2015
- 2015-12-29 CN CN201521126663.4U patent/CN205260801U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20201229 |