CN210003816U - X-shaped inflatable sealing ring with good sealing effect - Google Patents

Abstract

The utility model relates to an X shape inflatable seal circle with good sealed effect, including inflation portion and inflatable cavity, wherein, the inflation portion includes supporting part, kink and top, before the inflatable cavity aerifys, the top is the arc structure, the kink be the arc and to the direction of inflatable cavity is crooked, the inflatable cavity aerifys the back, the height that the kink expands is 1.5L, wherein, L is before aerifing the length of kink, the utility model provides an X shape inflatable seal circle with good sealed effect is used for being used for clean vacuum 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 a gas leakage effect improves the rate of utilization.

Description

X-shaped inflatable sealing ring with good sealing effect

Technical Field

The utility model belongs to the technical field of sealing device, concretely relates to X shape 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.

Now, such sealing ring is often used in a clean vacuum device, but the inflatable sealing ring used in the market at present is not easy to fix, has poor sealing effect, and is easy to leak air.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides an X shape inflatable seal circle with good sealed effect, including inflation portion and inflatable cavity, wherein, inflation portion includes supporting part, kink and top, inflatable cavity aerifys before, the top is the arc structure, the kink is the arc and to inflatable cavity's direction is crooked, the height of kink is L/2, inflatable cavity aerifys the back, wherein, L is for aerifing before the length of kink, user can set up according to the user demand the radian of kink (towards inflatable cavity's sunken degree), specifically, the biggest sunken degree of kink can be so that three curved kink is in inflatable cavity internal contact, the radian of kink 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 X shape 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.

In any above, it is preferable that the leakage prevention assembly includes a telescopic rod, a baffle, a spring, and a support rod, wherein an X-shaped sealing washer is disposed on the periphery of the telescopic rod, the telescopic rod is disposed in the spring, and two ends of the spring are connected to the sealing washer and the support rod respectively.

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 an X-shaped inflatable seal circle with good sealed effect is used for being used for clean vacuum apparatus on, not only seals respond well, long service life, can effectively reduce through setting up the leak protection subassembly at the charging connector moreover the utility model discloses a gas leakage effect improves the rate of utilization.

Drawings

Fig. 1 is a schematic view of a preferred embodiment of an X-shaped pneumatic sealing ring with good sealing effect according to the present invention;

fig. 2 is a schematic cross-sectional view taken along line a-a of fig. 1 before the seal ring is inflated to form an X-shaped inflatable seal ring with good sealing effect according to the present invention;

fig. 3 is a schematic view of the connection part of the X-shaped inflatable sealing ring with good sealing effect and the inflating nozzle according to the present invention;

fig. 4 is a schematic cross-sectional view of the surface of fig. 1A-a after inflation of the X-shaped inflatable sealing ring with good sealing effect 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.

As shown in figures 1 to 4, the circular inflatable sealing ring with good sealing effect provided by the invention comprises an expansion part and an inflatable cavity 3, wherein the expansion part comprises a support part 2, a bending part 1 and a top part, the top part is of an arc structure before the inflatable cavity 3 is inflated, the bending part 1 is of an arc shape and is bent towards the direction of the inflatable cavity 3, the height of the bending part 1 is L/2, the height of the expansion part expanded after the inflatable cavity 3 is inflated is 1.5L, wherein L is the length of the bending part 1 before the inflation, the expansion height not only can achieve good air tightness but also can improve the service life of the inflatable sealing ring, the inflating nozzle 8 comprises an inflatable pipeline 5 and a fixing cushion 12, the cross section of the inflatable pipeline 5 is of a circular structure and is connected with an inflating part in the inflatable sealing ring 9, the fixing cushion 12 is sleeved on the periphery of the inflatable pipeline 5, the fixing cushion 12 is connected with the support part 2 for keeping the inflatable pipeline 5 fixed and achieving the sealing effect, wherein a sealing gasket assembly is arranged in the inflatable pipeline 5, the sealing ring assembly is arranged in the outer periphery of the inflatable pipeline, the sealing ring 7 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 assembly, the sealing ring 7, the sealing ring assembly, the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring assembly, the sealing ring 7, the sealing ring is arranged in the sealing ring 7, the sealing ring assembly, the sealing ring assembly.

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 X-shaped pneumatic sealing ring with good sealing effect of the present invention includes the above-mentioned any combination of the embodiments and the parts shown in the drawings, which is limited to space and has not been described in for the sake of brevity.

Claims (6)

1. The utility model provides an X-shaped inflatable seal circle that kind have good sealed effect, including inflation portion and inflation cavity, its characterized in that, inflation portion includes supporting part, kink and top, before inflation cavity aerifys, the top is the arc structure, the kink is the arc and to inflation cavity's direction is crooked, after inflation cavity aerifys, the height that the kink expands is 1.5L, wherein, L is before aerifing the length of kink.
2. 2. The X-shaped inflatable sealing ring with good sealing effect according to claim 1, further comprising an inflating nozzle, wherein the inflating nozzle comprises an inflatable pipeline and a fixing cushion, the cross section of the inflatable pipeline is of an X-shaped structure, the fixing cushion is sleeved on the periphery of the inflatable pipeline, and the fixing cushion is connected with the supporting portion.
3. 3. The seal ring according to claim 2, wherein a leakage-proof assembly is provided in the inflation conduit.
4. 4. The X-shaped inflatable sealing ring with the good sealing effect as claimed in claim 3, wherein the leakage-proof assembly comprises a telescopic rod, a baffle, a spring and a support rod, the X-shaped 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.
5. 5. The seal ring according to claim 4, wherein said baffle is made of stainless steel.
6. 6. The seal ring according to claim 5, wherein a small magnet is disposed in the seal ring.

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