Novel sealing device for vulcanizing steam chamber of vulcanizing machine

Abstract

The utility model discloses a novel sealing device for a vulcanizing steam chamber of a vulcanizing machine, which comprises a sealing ring arranged between a lower steam chamber and an upper steam chamber, the sealing ring comprises a sealing main body, an air inflation cavity is arranged in the sealing main body, the sealing main body is in an expansion state after the air inflation cavity is inflated, and the sealing main body is in a closed state. The inner side of the sealing body is further provided with an inner skirt edge inclining downwards, the inner edge of a port of the lower steam chamber is provided with a downward slope used for carrying the inner skirt edge, and a port of the upper steam chamber is provided with a downward pressing inclined block pressing the inner skirt edge. The sealing main body is in an expansion state after the inflation cavity is inflated, so that the sealing main body has better elasticity, and a better sealing effect is achieved in an extrusion state.

Description

Technical Field

[0001] The utility model relates to the technical field related to vulcanizing steam chamber sealing, in particular to a novel sealing device for a vulcanizing steam chamber of a vulcanizing machine. Background Art

[0002] The steam chamber of a tire vulcanizer is a critical component of the equipment. Composed of an upper and lower steam chamber, it houses the tire mold and, during the vulcanization process, contains the steam heating medium within the enclosed steam chamber. During operation, the seal between the upper and lower steam chambers is crucial. A good seal prevents steam leakage and ensures the required temperature and pressure for vulcanization. Existing sealing structures rely on the upper and lower steam chambers squeezing the sealing rings together. However, factors such as the squeezing force and parallelism of the upper and lower steam chambers result in poor sealing. Furthermore, the sealing rings are prone to fatigue during use, reducing their elasticity and resulting in a poor sealing effect. Utility Model Content

[0003] In order to solve the defects in the existing technology that the current sealing structure basically relies on the upper and lower steam chambers to squeeze the sealing ring for sealing, and factors such as the extrusion force of the upper and lower steam chambers and the parallelism of the upper and lower steam chambers lead to poor sealing effect, and furthermore, the sealing ring is prone to fatigue during use, which reduces its elasticity and causes the sealing effect to deteriorate, the utility model provides a new sealing device for the vulcanizing steam chamber of a vulcanizer.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The utility model discloses a novel sealing device for a vulcanizing steam chamber of a vulcanizing machine, comprising a sealing ring arranged between a lower steam chamber and an upper steam chamber, the sealing ring comprising a sealing body, and an inflation cavity is provided inside the sealing body, and the sealing body is in an expanded state after being inflated in the inflation cavity, the inner side of the sealing body is further provided with an inner skirt inclined downward, and the inner edge of the port of the lower steam chamber is provided with a downward slope for supporting the inner skirt, and the port of the upper steam chamber is provided with a downward pressing bevel for pressing the inner skirt.

[0006] As a preferred technical solution of the present invention, sealing ring grooves are provided at the ports of the lower steam chamber and the upper steam chamber, and an annular sealing strip that is inserted into the sealing ring groove is provided on the sealing body.

[0007] As a preferred technical solution of the present invention, the sealing body is provided with an inflation tube connected to the inflation cavity, and the inflation tube is provided with an inflation valve.

[0008] As a preferred technical solution of the present invention, the sealing ring is made of silicone rubber.

[0009] As a preferred technical solution of the present invention, the inner end of the inner skirt is provided with a V-shaped expansion edge strip.

[0010] As a preferred technical solution of the present invention, the slope and the pressing block are provided with a receiving groove for receiving the expansion edge strip.

[0011] The beneficial effects of the utility model are:

[0012] In the novel sealing device of the vulcanizing steam chamber of this vulcanizing machine, an air-filled cavity is provided inside the sealing body through a sealing ring between the lower steam chamber and the upper steam chamber. After the air is filled in the air-filled cavity, the sealing body is in an expanded state, so that the sealing body has good elasticity, so that it has a good sealing effect under the extrusion state, and the inner side of the sealing body is also provided with an inner skirt inclined downward, and the inner edge of the port of the lower steam chamber is provided with a downward slope for supporting the inner skirt, and the port of the upper steam chamber is provided with a downward pressing block for pressing the inner skirt, so that the connecting seam between the lower steam chamber and the upper steam chamber is set to a non-linear shape, which has a good sealing effect. In addition, the utility model also provides a V-shaped expansion edge strip at the inner end of the inner skirt. When sealing, the V-shaped expansion edge strip is stretched open by the influence of the internal pressure, which has a good effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a structural diagram of a novel sealing device for a vulcanizing steam chamber of a vulcanizing machine according to the present invention;

[0015] Figure 2 This is a structural schematic diagram of a sealing ring of a new sealing device for a vulcanizing steam chamber of a vulcanizing machine according to the present invention;

[0016] Figure 3 The utility model is a structural schematic diagram of a pressing inclined block of a novel sealing device for a vulcanizing steam chamber of a vulcanizing machine.

[0017] In the figure: 1. Lower steam chamber; 2. Upper steam chamber; 3. Sealing ring; 301. Sealing body; 302. Inflating cavity; 303. Inner skirt; 304. Slope; 305. Pressing block; 306. Sealing ring groove; 307. Annular sealing strip; 308. Inflating tube; 309. Inflating valve; 310. Expansion strip. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0019] Example: Figure 1-3 As shown, the utility model is a new sealing device for the vulcanizing steam chamber of a vulcanizing machine, including a sealing ring 3 arranged between a lower steam chamber 1 and an upper steam chamber 2, the sealing ring 3 including a sealing body 301, and an inflation cavity 302 is provided inside the sealing body 301, and the sealing body 301 is in an expanded state after being inflated in the inflation cavity 302, and the inner side of the sealing body 301 is also provided with an inner skirt 303 inclined downward, and the inner edge of the port of the lower steam chamber 1 is provided with a downward slope 304 for supporting the inner skirt 303, and the port of the upper steam chamber 2 is provided with a downward pressing bevel 305 for pressing the inner skirt 303. Through the sealing ring 3 between the lower steam chamber 1 and the upper steam chamber 2, an inflation chamber 302 is provided inside the sealing body 301. After the inflation chamber 302 is inflated, the sealing body 301 is in an expanded state, so that the sealing body 301 has good elasticity, so that it has a better sealing effect under the extrusion state, and the inner side of the sealing body 301 is also provided with an inner skirt 303 inclined downward, and the inner edge of the port of the lower steam chamber 1 is provided with a downward slope 304 for supporting the inner skirt 303, and the port of the upper steam chamber 2 is provided with a downward pressing block 305 for pressing the inner skirt 303, so that the connecting seam between the lower steam chamber 1 and the upper steam chamber 2 is set to a non-linear shape, which has a better sealing effect.

[0020] Among them, the ports of the lower steam chamber 1 and the upper steam chamber 2 are both provided with sealing ring grooves 306, and the sealing body 301 is provided with an annular sealing strip 307 that is inserted into the sealing ring groove 306, which has a better sealing effect and is convenient for docking.

[0021] The sealing body 301 is provided with an inflation tube 308 communicating with the inflation cavity 302 , and the inflation tube 308 is provided with an inflation valve 309 , so that the air pressure inside the sealing body can be adjusted by inflation and deflation.

[0022] The sealing ring 3 is made of silicone rubber and is durable.

[0023] The inner end of the inner skirt 303 is provided with a V-shaped expansion strip 310, and the slope 304 and the pressing bevel 305 are provided with a receiving groove for accommodating the expansion strip 310. The present invention also provides a V-shaped expansion strip 310 at the inner end of the inner skirt 303. During sealing, the V-shaped expansion strip 310 is expanded by the influence of internal pressure, which has a better effect.

[0024] During operation, the new sealing device of the vulcanizing steam chamber of this vulcanizer is provided with an inflation cavity 302 inside the sealing body 301 through the sealing ring 3 between the lower steam chamber 1 and the upper steam chamber 2. After the inflation cavity 302 is inflated, the sealing body 301 is in an expanded state, so that the sealing body 301 has good elasticity, so that it has a better sealing effect under the extrusion state, and the inner side of the sealing body 301 is also provided with an inner skirt 303 inclined downward, and the inner edge of the port of the lower steam chamber 1 is provided with a downward slope 304 for supporting the inner skirt 303, and the port of the upper steam chamber 2 is provided with a downward pressing block 305 for pressing the inner skirt 303, so that the connecting seam between the lower steam chamber 1 and the upper steam chamber 2 is set to a non-linear shape, which has a better sealing effect.

[0025] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A novel sealing device for a vulcanizing steam chamber of a vulcanizing machine, comprising a sealing ring (3) arranged between a lower steam chamber (1) and an upper steam chamber (2), characterized in that: The sealing ring (3) includes a sealing body (301), and an inflation cavity (302) is provided inside the sealing body (301). After the inflation cavity (302) is inflated, the sealing body (301) is in an expanded state. The inner side of the sealing body (301) is also provided with an inner skirt (303) inclined downward, and the inner edge of the port of the lower steam chamber (1) is provided with a downward slope (304) for supporting the inner skirt (303). The port of the upper steam chamber (2) is provided with a downward pressing block (305) for pressing the inner skirt (303).

2. The novel sealing device for the vulcanizing steam chamber of a vulcanizing machine according to claim 1, characterized in that: The ports of the lower steam chamber (1) and the upper steam chamber (2) are both provided with sealing ring grooves (306), and the sealing body (301) is both provided with an annular sealing strip (307) which is inserted into the sealing ring groove (306).

3. The novel sealing device for the vulcanizing steam chamber of a vulcanizing machine according to claim 1, characterized in that: The sealing body (301) is provided with an inflation tube (308) communicating with the inflation cavity (302), and the inflation tube (308) is provided with an inflation valve (309).

4. The novel sealing device for the vulcanizing steam chamber of a vulcanizing machine according to claim 1, characterized in that: The sealing ring (3) is made of silicone rubber.

5. The novel sealing device for the vulcanizing steam chamber of a vulcanizing machine according to claim 1, characterized in that: The inner end of the inner skirt (303) is provided with a V-shaped expansion edge strip (310).

6. A novel sealing device for a vulcanizing steam chamber of a vulcanizing machine according to claim 5, characterized in that: The slope (304) and the pressing block (305) are provided with a receiving groove for receiving the expansion edge strip (310).

Images