CN203585462U - Novel vent valve for tire mold - Google Patents
Novel vent valve for tire mold Download PDFInfo
- Publication number
- CN203585462U CN203585462U CN201320769682.3U CN201320769682U CN203585462U CN 203585462 U CN203585462 U CN 203585462U CN 201320769682 U CN201320769682 U CN 201320769682U CN 203585462 U CN203585462 U CN 203585462U
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- valve body
- hole
- junction plane
- 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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Abstract
The utility model relates to a novel vent valve for a tire mold. The novel vent valve comprises a valve body and a valve core, wherein the valve body is a hollow structure, the valve core is arranged in the valve body, conical junction surfaces are correspondingly arranged on the upper ends of the valve core and the valve body, the valve core is a hollow structure, and a hole I is formed in the upper end of the conical junction surface of the valve core. The novel vent valve has the advantage that finished tire products are good in qualitys of as the novel vent valve is capableility of preventing rubber materials from remaining in an exhaust gap of the valve core and the valve body, and good quality of finished tire products.
Description
Technical field
The utility model belongs to tire and manufactures field, relates to particularly a kind of novel tire die venting valve.
Background technique
Tire is in sulfidation, and after gas in tyre mould die cavity need to being discharged, rubber could be full of die cavity completely, otherwise tyre tread after sulfidization molding will exist defect.For this reason, generally in tire mold, the easy gas collection of decorative pattern place is provided with exhaust port, and still, when tyre vulcanization, rubber mass can be gone in exhaust port like this, causes the tire finished product can be with a rule tree lace, neither the material of wasting again attractive in appearance.
For solving the problem of tree lace, conventionally tire mold is designed to imperforate outlet valve, existing pore-free tire mould exhaust valve in use, owing to having a small amount of rubber mass, remain in the exhaust space of spool and valve body, cause in exhaust and finish back valve core and valve body can not be fitted completely, thereby cause on tire finished product with pit, neither attractive in appearance being difficult to again repairs.
Summary of the invention
The purpose of this utility model is to solve the problems of the technologies described above, and provides a kind of and prevents that rubber mass from remaining in the novel tire die venting valve in the exhaust space of spool and valve body.
The technical solution of the utility model is: a kind of novel tire die venting valve, comprise valve body and spool, described valve body is hollow structure, described spool is located at valve inner, the upper end portion correspondence of spool and valve body is provided with taper junction plane, described spool is hollow structure, and the upper end portion of spool taper junction plane has hole I.
By perforate I on the taper junction plane at spool, the rubber mass that enters into spool and valve body exhaust space can be introduced to spool, in exhaust process, gas also can enter spool from hole I and discharge minimizing period of exhaust by spool simultaneously; In addition spool design is become to hollow structure, for convenience of exhaust, can alleviate spool weight on the other hand on the one hand, when exhaust finishes soon, can accelerate the laminating of spool and valve body, reduce and enter the rubber mass in spool and valve body exhaust space.
Preferably, the quantity of offering hole I on described spool taper junction plane is a plurality of, and described hole I is uniformly distributed on taper junction plane.
As with improvement, the size of described hole I is identical and be located on the sustained height of taper junction plane, and the quantity of hole I is 8.
Preferably, the center position of described spool bottom surface has a hole II, and the diameter dimension of described hole II is 1/3 ~ 1/5 of spool bottom surface diameter dimension.
Preferably, the angle between described taper junction plane and valve core axis is between 30 ° ~ 45 °.
Preferably, the outer wall of described valve body is provided with projection, on the inwall of valve body, has groove, in described groove, is provided with reed, and described reed is resisted against on the limiting board being located on spool.
The beneficial effects of the utility model are: by spool design is become to hollow structure, and perforate on the taper junction plane of spool, can accelerate exhaust process, prevent that rubber mass from remaining in the exhaust space of spool and valve body, the tire quality of finished product good of making; In addition, novel tire die venting valve of the present utility model also has advantages of good exhaust effect, easy manufacture, convenient disassembly, is convenient to cleaning.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the local enlarged diagram of A in Fig. 1.
In figure, 1, pattern block, 2, valve body, 3, spool, 4, hole II, 5, limiting board, 6, reed, 7, projection, 8, hole I.
embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, novel tire die venting valve of the present utility model, comprise valve body 2 and spool 3, spool 3 is located at the inside of valve body 2, the upper end portion correspondence of valve body 2 and spool 3 is provided with taper junction plane, in embodiment of the present utility model, for convenience of exhaust, also prevent that as much as possible rubber mass from entering in the exhaust space of valve body 2 and spool 3, is designed to the angle between taper junction plane and the axis of spool 3 between 30 ° ~ 45 °.Spool 3 is hollow structures, and have hole I in the upper end portion of the taper junction plane of spool 3, by perforate I on the taper junction plane at spool, the rubber mass that enters into spool and valve body exhaust space can be introduced to spool, in exhaust process, gas also can enter spool from hole I and discharge minimizing period of exhaust by spool simultaneously; In addition spool design is become to hollow structure, for convenience of exhaust, can alleviate spool weight on the other hand on the one hand, when exhaust finishes soon, can accelerate the laminating of spool and valve body, reduce and enter the rubber mass in spool and valve body exhaust space.
In embodiment of the present utility model, the quantity of offering hole I on spool 3 taper junction planes is 8, and by hole I be designed to size identical, can conveniently process like this, this novel tire die venting valve is easily manufactured; In addition, hole I is located on the sustained height of taper junction plane and is uniformly distributed on taper junction plane, layout can guarantee in the process of spool 3 and valve body 2 laminatings like this, the rubber mass entering in exhaust space is stressed evenly, thereby the rubber mass that makes to enter in exhaust space enters in spool 3 from all directions uniformly, can make spool 3 and valve body 2 fit tightly, prevent that in a side exhaust space, rubber mass is too much, the spool 3 causing is crooked.Meanwhile, hole I is located to the side near end face on spool 3, when exhaust finishes soon, guiding rubber mass enters in spool 3, reduces as far as possible the amount that enters rubber mass in exhaust space.
In embodiment of the present utility model, the center position of spool 3 bottom surfaces has hole II with easy to exhaust, and the diameter dimension of this hole II is 1/3 ~ 1/5 of spool 3 bottom surface diameter dimensions, if be in order to prevent that hole II from opening too much, the rubber mass that makes to enter in spool 3 flows out spool, is inconvenient to clear up.Meanwhile, for for convenience detach, be provided with projection 7 on the outer wall of valve body 2, this projection 7 is used in conjunction with the T-slot of opening on pattern block 1 mounting hole; Valve body 2 is designed to hollow structure, on the inwall of valve body 2, have groove, in this groove, be provided with reed 6, this reed 6 is resisted against on the limiting board 5 being located on spool 3, reed 6 moves to the lower end of valve body 2 with movable valve plug 3, when exhaust closes to an end, make the exhaust space of 2 of spool 3 quick closedown spools 3 and valve bodies, prevent that as far as possible rubber mass from entering in exhaust space.
During use, the projection on valve body is inserted in mounting hole along the T-shaped groove on mounting hole inwall, when projection is resisted against the upper-end surface of T-shaped groove, rotary valve makes valve body snap in T-shaped groove and valve body and pattern block are fixed, then spool is inserted from the taper junction plane of upper end, and limiting board is inserted in and is fixed on spool from lower end, finally reed is packed in the groove of spool inwall and its upper end is resisted against on the limiting board on spool, under nature, reed has certain tapering, can guarantee to form exhaust clearance between installation back valve core and valve body.
Although the utility model discloses with specific embodiment; but it is not in order to limit the utility model; any those skilled in the art; in the displacement that does not depart from the equivalent assemblies of having done under the prerequisite of design of the present utility model and scope; or the equivalent variations of doing according to the utility model scope of patent protection and modification, all should still belong to the category that this patent is contained.
Claims (6)
1. a novel tire die venting valve, comprise valve body and spool, described valve body is hollow structure, described spool is located at valve inner, the upper end portion correspondence of spool and valve body is provided with taper junction plane, it is characterized in that: described spool is hollow structure, the upper end portion of spool taper junction plane is provided with hole I.
2. novel tire die venting valve as claimed in claim 1, is characterized in that: on described spool taper junction plane, the quantity of hole I is a plurality of, and described hole I is uniformly distributed on taper junction plane.
3. novel tire die venting valve as claimed in claim 2, is characterized in that: the size of described hole I is identical and be located on the sustained height of taper junction plane, and the quantity of hole I is 8.
4. novel tire die venting valve as claimed in claim 1, is characterized in that: the center position of described spool bottom surface has a hole II, and the diameter dimension of described hole II is 1/3 ~ 1/5 of spool bottom surface diameter dimension.
5. the novel tire die venting valve as described in above-mentioned arbitrary claim, is characterized in that: the angle between described taper junction plane and valve core axis is between 30 ° ~ 45 °.
6. the novel tire die venting valve as described in as arbitrary in claim 1 to 4, is characterized in that: the outer wall of described valve body is provided with projection, on the inwall of valve body, has groove, in described groove, is provided with reed, and described reed is resisted against on the limiting board being located on spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769682.3U CN203585462U (en) | 2013-11-30 | 2013-11-30 | Novel vent valve for tire mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769682.3U CN203585462U (en) | 2013-11-30 | 2013-11-30 | Novel vent valve for tire mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585462U true CN203585462U (en) | 2014-05-07 |
Family
ID=50583381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320769682.3U Expired - Fee Related CN203585462U (en) | 2013-11-30 | 2013-11-30 | Novel vent valve for tire mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585462U (en) |
-
2013
- 2013-11-30 CN CN201320769682.3U patent/CN203585462U/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 |
Granted publication date: 20140507 Termination date: 20161130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |