CN210003815U - Composite type inflatable sealing ring with good sealing effect - Google Patents

Abstract

The utility model relates to an compound inflatable seal circle with good sealed effect, including inflation portion and inflation cavity, inflation portion includes supporting part, kink and top, inflation cavity fills before, the kink is the arc, set up the sawtooth surface on the outer wall at top, the outer wall of supporting part sets up the sawtooth surface, the utility model provides a compound inflatable seal circle with good sealed effect is used for being used for granule bagging apparatus on, not only seals effectually, long service life, can effectively reduce through setting up the leak protection subassembly at the charging connector moreover the utility model discloses an air leakage effect improves the rate of utilization, in addition, when to anomalous sealing position, the sawtooth portion can compensate unevenness's position to fix the sealing washer and improve.

Description

Composite type inflatable sealing ring with good sealing effect

Technical Field

The utility model belongs to the technical field of sealing device, concretely relates to compound inflatable seal circle that has good sealed effect.

Background

The inflatable sealing ring is ring bodies or linear bag bodies which have special-shaped hollow cavities and can be expanded and sealed after being inflated and restore to the original shape after being deflated, the inflatable sealing ring is mainly made of rubber with good elasticity and toughness, flexible seals are realized by the airtight sealing ring, such as and frames, and due to processing precision, after long-term use, gaps between the inflatable sealing ring and the airtight sealing ring are formed, so that the gaps can be sealed by restarting a graded air ring.

At present, the composite sealing ring is often used on a particle bagging device and used on the particle bagging device, but when the inflatable sealing ring used in the market at present is used at an irregular sealing position, the inflatable sealing ring is difficult to fix and seal due to the fact that the sealing position is uneven.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an compound inflatable seal circle with good sealed effect, including inflation portion and inflatable cavity, wherein, inflation portion includes supporting part, kink and top, inflatable cavity fills before, the kink is the arc and towards inflatable cavity is internal sunken, the top with supporting part parallel arrangement, the height of kink is 2L 3, inflatable cavity aerifys the back, the height after the inflation portion inflation is 1.3L, wherein, L is for aerifing before the length of kink, set up the sawtooth surface on the outer wall at top, the outer wall of supporting part sets up the sawtooth surface, and the user can set up according to the user demand the radian of kink (towards inflatable cavity's sunken degree), it is concrete, the biggest sunken degree of kink can be so that two curved kinks are in inflatable cavity internal contact, the radian is bigger, and the height after its inflation is just bigger.

Preferably, still include the charging connector, the charging connector includes gas pipeline and fixed bolster, gas pipeline's cross-section is composite structure, the fixed bolster is filled up and is established gas pipeline's periphery, the fixed bolster with the supporting part is connected.

In any of the above, it is preferable that a leak-proof assembly is provided in the inflation conduit.

Preferably, in any above, the leakage-proof assembly includes a telescopic rod, a baffle, a spring and a support rod, wherein a composite sealing washer is disposed at the periphery of the telescopic rod, the telescopic rod is disposed in the spring, and two ends of the spring are respectively connected to the sealing washer and the support rod.

In any of the aspects above, preferably, the baffle is a stainless steel plate.

In any of the aspects above, it is preferred that a small piece of magnet be provided within the sealing gasket.

The utility model has the advantages that: the utility model provides a compound inflatable seal circle with good sealed effect is used for on the granule sack filling device, not only seals effectually, long service life, can effectively reduce through setting up the leak protection subassembly at the charging connector in addition the utility model discloses a gas leakage effect improves the rate of utilization, in addition, when to anomalous sealing position, sawtooth portion can compensate unevenness's position to fix and improve the sealing washer.

Drawings

Fig. 1 is a schematic view of a preferred embodiment of a composite inflatable sealing ring with good sealing effect according to the present invention;

fig. 2 is a schematic cross-sectional view of the composite pneumatic sealing ring with good sealing effect shown on the surface a-a in fig. 1 before being inflated according to the present invention;

fig. 3 is a schematic view of the connection part of the composite type inflatable sealing ring with good sealing effect and the inflating nozzle according to the utility model;

fig. 4 is a schematic cross-sectional view of the composite pneumatic sealing ring with good sealing effect shown in fig. 1A-a after being inflated according to the present invention;

fig. 5 is another schematic diagram of the composite pneumatic sealing ring according to the present invention.

The figures are labeled as follows: 1-bending part; 2-a support part; 3-inflating the cavity; 4-an inflating valve; 5-an inflation pipeline; 6-a baffle plate; 7-a sealing gasket; 8, a telescopic rod; 9-a spring; 10-a support bar; 11-silica gel pad; 12-fixed mat.

Detailed Description

In order to further understand the present invention, the present invention will be described in detail with reference to the specific embodiments.

The sealing ring with good sealing effect comprises an expansion part and an inflation cavity 3, wherein the expansion part comprises a support part 2, a bending part 1 and a top part, the inflation cavity 3 is filled with air before, the bending part 1 is arc-shaped, the distance between the bending part 1 and the bottom end of the support part 2 is L/3, after the inflation cavity 3 is inflated, the bending part 1 is linear, the height after the expansion part is expanded is L/3, wherein L is the length before the bending part 2 is inflated, the expansion height not only can play a good role in air tightness, but also can prolong the service life of the inflation sealing ring, a serrated surface is arranged on the outer wall of the top part, when the bending part 1 is expanded, the top part moves upwards to be combined with a sealing surface, compensation sealing can be carried out through the serrated surface and an irregular position of the sealing surface, the serrated surface can improve the friction force between the top part and a sealing surface, a good sealing effect is achieved, the outer wall of the support part 2 is provided with a serrated surface which can improve the friction force between the support part 2 and a sealing surface, the sealing surface can improve the sealing effect when the sealing ring 7 is connected with a sealing ring 7 of a sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring, the sealing ring 7, the sealing ring is arranged in the sealing ring, the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring, the sealing ring is arranged in the sealing ring, the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring is arranged in the sealing ring, the sealing ring is arranged in the sealing ring, the sealing ring 7, the sealing ring is arranged in the sealing ring, the sealing ring is arranged in the sealing ring.

When the air inflation sealing device is used, the air inlet pipe with the ejector pins is connected with the air inflation pipeline 5, so that the ejector pins are right, the telescopic rod 8 is extruded, the baffle 6 is separated from the sealing washer 7, the air inflation pipeline 5 becomes a passage, the air inflation sealing washer 9 is inflated through the air inflation pump, after the air inflation is finished, the air inlet pipe with the ejector pins is pulled out, the sealing washer 7 is attached to the baffle 6 again under the combined action of the pressure in the air inflation sealing washer 9 and the spring 9, the air inflation pipeline 5 is blocked, and the purpose of preventing air leakage is achieved.

It will be understood by those skilled in the art that the composite type pneumatic sealing ring with excellent sealing effect of the present invention includes the above-mentioned embodiments and any combination of the parts shown in the drawings, which are limited to space and are not described in for the sake of brevity.

Claims (7)

1. The utility model provides a kind have compound inflatable seal circle of good sealed effect, including inflation portion and inflation cavity, inflation portion includes supporting part, kink and top, its characterized in that, set up the sawtooth surface on the outer wall at top, the outer wall of supporting part sets up the sawtooth surface.
2. 2. The composite type inflatable sealing ring with good sealing effect as claimed in claim 1, wherein before the inflation cavity is inflated, the bending portion is curved and concaved toward the inflation cavity, the top portion is parallel to the supporting portion, and after the inflation cavity is inflated, the height of the expanded portion after inflation is 1.3L, where L is the length of the bending portion before inflation.
3. 3. A composite type inflatable sealing ring with excellent sealing effect as claimed in claim 1, further comprising an inflation nozzle, wherein the inflation nozzle comprises an inflatable pipeline and a fixing pad, the cross section of the inflatable pipeline is of composite type structure, the fixing pad is sleeved on the periphery of the inflatable pipeline, and the fixing pad is connected with the supporting portion.
4. 4. The composite type inflatable sealing ring with good sealing effect as claimed in claim 3, wherein a leakage-proof component is arranged in the inflatable pipeline.
5. 5. The composite type inflatable sealing ring with the good sealing effect as claimed in claim 4, wherein the leakage-proof assembly comprises a telescopic rod, a baffle, a spring and a support rod, the composite type sealing washer is arranged on the periphery of the telescopic rod, the telescopic rod is arranged in the spring, and two ends of the spring are respectively connected with the sealing washer and the support rod.
6. 6. The composite type inflatable sealing ring with good sealing effect as claimed in claim 5, wherein the baffle is a stainless steel plate.
7. 7. The composite type inflatable sealing ring with good sealing effect as claimed in claim 6, wherein a small magnet is arranged in the sealing ring.

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