Vulcanizing capsule

Abstract

The utility model relates to the technical field of tire vulcanization processing, in particular to a vulcanization bladder. The utility model discloses a curing capsule which comprises a capsule body and a neck clamping edge, the neck clamping edge is arranged at the end part of the capsule body; the capsule body comprises a middle waist part, a first shoulder part, a side surface part and a second shoulder part; the middle waist part is sequentially connected with the first shoulder part, the side part and the second shoulder part from the middle to two sides of the capsule body; the second shoulder part is connected with the neck clamping edge; the first shoulder part and the second shoulder part are both of an arc-shaped structure to achieve smooth transition. The outer side surface of the middle waist part is a cylindrical surface; the outer side surface of the side surface part is a conical surface; an air guide groove is formed in the outer side surface of the side surface part; the number of the air guide grooves is larger than or equal to 110 and smaller than or equal to 180. The air guide grooves extend in the radial direction of the curing bladder and are evenly distributed around the axis of the curing bladder. A plurality of V-shaped communicating grooves are formed between every two adjacent air guide grooves in a communicating mode. The exhaust valve has the advantage of being good in exhaust effect.

Description

Technical Field

[0001] The utility model relates to the technical field of tire vulcanization processing, in particular to a vulcanization bladder. Background Art

[0002] The vulcanization bladder is an essential accessory for tire vulcanization production and is a hollow thin-walled rubber product. The surface of the vulcanization bladder is provided with patterns, also known as exhaust texture lines or exhaust channels, for exhausting air. When the air exhaust of the vulcanization bladder is not good, the vulcanization effect of the tire will be affected. Content of the Utility Model

[0003] The purpose of the utility model is to provide a vulcanization bladder to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A vulcanization bladder, comprising: a bladder body and a neck flange; the neck flange is arranged at the end of the bladder body; the bladder body comprises: a middle waist part, a first shoulder part, a side part and a second shoulder part; the middle waist part is located in the middle of the bladder body and is sequentially connected to the first shoulder part, the side part and the second shoulder part on both sides; the second shoulder part is connected to the neck flange; both the first shoulder part and the second shoulder part are arc-shaped structures to achieve smooth transition; the outer side surface of the middle waist part is a cylindrical surface; the outer side surface of the side part is a conical surface; a gas guide groove is formed on the outer side surface of the side part; the number of gas guide grooves is greater than or equal to 110 and less than or equal to 180; the gas guide grooves extend along the radial direction of the vulcanization bladder and a plurality of gas guide grooves are evenly distributed around the axis of the vulcanization bladder; a plurality of V-shaped communication grooves are communicated between two adjacent gas guide grooves; the middle sharp angle of the V-shaped communication groove faces one side of the middle waist part.

[0006] As a further embodiment of the utility model, the V-shaped communication grooves on both sides communicated to the same gas guide groove are staggered from each other.

[0007] As a further embodiment of the utility model, the communication positions of the V-shaped communication grooves on both sides and the middle gas guide groove are different.

[0008] As a further embodiment of the utility model, the middle sharp angle of the V-shaped communication groove is located on the symmetry line of two adjacent gas guide grooves.

[0009] As a further embodiment of the utility model, the groove width of the V-shaped communication groove is smaller than the groove width of the gas guide groove.

[0010] As a further embodiment of the utility model, the groove depth of the V-shaped communication groove is smaller than the groove depth of the gas guide groove.

[0011] As a further embodiment of the utility model, the angles between the two sides of the V-shaped communication groove and the gas guide grooves on both sides are equal.

[0012] As a further embodiment of the present utility model, the V-shaped included angle of the V-shaped connecting groove is set to 60 degrees.

[0013] The beneficial effect of the present utility model is that it has a good exhaust effect.

[0014] The setting of the V-shaped connecting groove can guide the gas into the air guide groove, so that the vulcanization bladder fits onto the inner wall of the tire.

[0015] Both ends of the V-shaped connecting groove face the air outlet direction. When the air flow moves in opposite directions and enters the V-shaped connecting groove from both ends, the generated pressure will block the reverse movement of the air flow.

[0016] Other features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and the accompanying drawings. Description of the Drawings

[0017] Figure 1 is a front view of a vulcanization bladder;

[0018] Figure 2 is Figure 1 the top view of the vulcanization bladder in

[0019] Figure 3 is Figure 2 the partial enlarged view of the vulcanization bladder in

[0020] List of reference numerals: Vulcanization bladder 100, bladder body 10, middle waist part 11, first shoulder part 12, side face part 13, second shoulder part 14, air guide groove 101, V-shaped connecting groove 102, neck clamping edge 20. Detailed Description of the Embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Such as Figures 1 to 3As shown in the figure, a vulcanization capsule 100 includes a capsule body 10 and a neck flange 20. The neck flange 20 is disposed at an end of the capsule body 10. The capsule body 10 includes a middle waist portion 11, a first shoulder portion 12, a side surface portion 13, and a second shoulder portion 14. The middle waist portion 11 is located in the middle of the capsule body 10 and is sequentially connected to the first shoulder portion 12, the side surface portion 13, and the second shoulder portion 14 on both sides. The second shoulder portion 14 is connected to the neck flange 20. Both the first shoulder portion 12 and the second shoulder portion 14 are arc-shaped structures to achieve a smooth transition. The outer surface of the middle waist portion 11 is a cylindrical surface. The outer surface of the side surface portion 13 is a conical surface. An air guide groove 101 is formed on the outer surface of the side surface portion 13. The air guide groove 101 may be only located on the side surface portion 13, or may extend to the first shoulder portion 12 and the second shoulder portion 14 at both ends. No air guide groove is provided on the middle waist portion 11.

[0023] The number of the air guide grooves 101 is greater than or equal to 110 and less than or equal to 180. As a specific embodiment, the number of the air guide grooves 101 is 120.

[0024] The air guide grooves 101 extend along the radial direction of the vulcanization capsule 100, and a plurality of air guide grooves 101 are uniformly distributed around the axis of the vulcanization capsule 100. A plurality of V-shaped communication grooves 102 are communicated between two adjacent air guide grooves 101. The middle sharp angle of the V-shaped communication groove 102 faces one side of the middle waist portion 11.

[0025] As a specific implementation manner, the V-shaped communication grooves 102 communicated to both sides of the same air guide groove 101 are staggered from each other. That is, the V-shaped communication grooves 102 communicated to both sides of the same air guide groove 101 do not intersect. The communication positions of the V-shaped communication grooves 102 on both sides with the middle air guide groove 101 are different.

[0026] As a specific implementation manner, the middle sharp angle of the V-shaped communication groove 102 is located on the symmetry line of two adjacent air guide grooves 101.

[0027] As a specific implementation manner, the groove width of the V-shaped communication groove 102 is smaller than the groove width of the air guide groove 101. The groove depth of the V-shaped communication groove 102 is smaller than the groove depth of the air guide groove 101.

[0028] The groove width of the V-shaped communication groove 102 is 0.3 times to 0.6 times the groove width of the air guide groove 101. The groove depth of the V-shaped communication groove 102 is 0.4 times to 0.6 times the groove depth of the air guide groove 101.

[0029] As a specific implementation manner, the angles between the two sides of the V shape of the V-shaped communication groove 102 and the air guide grooves 101 on both sides are equal. The V-shaped angle of the V-shaped communication groove 102 is set to 60 degrees.

[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0031] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A curing bladder (100), comprising: A capsule body (10) and a neck clamping edge (20); The neck clamping edge (20) is arranged at the end of the capsule body (10); The capsule body (10) includes: a middle waist portion (11), a first shoulder portion (12), a side face portion (13), and a second shoulder portion (14); the middle waist portion (11) is located in the middle of the capsule body (10) and sequentially connects the first shoulder portion (12), the side face portion (13), and the second shoulder portion (14) on both sides; the second shoulder portion (14) is connected to the neck clamping edge (20); both the first shoulder portion (12) and the second shoulder portion (14) are arc-shaped structures to achieve a smooth transition; the outer side face of the middle waist portion (11) is a cylindrical surface; the outer side face of the side face portion (13) is a conical surface; characterized in that, an air guiding groove (101) is formed on the outer side face of the side face portion (13); the number of the air guiding grooves (101) is greater than or equal to 110 and less than or equal to 180; the air guiding grooves (101) extend along the radial direction of the vulcanizing capsule (100), and a plurality of the air guiding grooves (101) are uniformly distributed around the axis of the vulcanizing capsule (100); a plurality of V-shaped communication grooves (102) are communicated between two adjacent air guiding grooves (101); the middle sharp angle of the V-shaped communication grooves (102) faces one side of the middle waist portion (11).

2. A vulcanizing capsule (100) according to claim 1, characterized in that The V-shaped communication grooves (102) on both sides communicating with the same air guiding groove (101) are staggered from each other.

3. A vulcanizing capsule (100) according to claim 1, characterized in that The communication positions of the V-shaped communication grooves (102) on both sides with the middle air guiding groove (101) are different.

4. A vulcanizing capsule (100) according to claim 1, characterized in that The middle sharp angle of the V-shaped communication grooves (102) is located on the symmetry line of two adjacent air guiding grooves (101).

5. A vulcanizing capsule (100) according to claim 1, characterized in that The groove width of the V-shaped communication grooves (102) is smaller than the groove width of the air guiding grooves (101).

6. A vulcanizing capsule (100) according to claim 5, characterized in that The groove depth of the V-shaped communication grooves (102) is smaller than the groove depth of the air guiding grooves (101).

7. A vulcanizing capsule (100) according to claim 1, characterized in that The two sides of the V shape of the V-shaped communication grooves (102) form equal angles with the air guiding grooves (101) on both sides.

8. A vulcanizing capsule (100) according to claim 7, characterized in that The V-shaped angle of the V-shaped communication grooves (102) is set to 60 degrees.

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