Fully-sealed waterproof lifting column

Abstract

The full-sealed waterproof lifting column comprises a stainless steel flange ring, a wear-resistant sleeve, a lifting column body and a pre-buried barrel, a pre-buried barrel flange is arranged at the top of the pre-buried barrel, a wear-resistant sleeve flange is arranged at the top of the wear-resistant sleeve, and the wear-resistant sleeve is located between the lifting column body and the pre-buried barrel; in conclusion, the reliability and durability of the full-sealing waterproof lifting column are remarkably improved, and the full-sealing waterproof lifting column is particularly suitable for occasions with high environmental adaptability requirements, detachable flange rings and clear sealing piece positions (such as dust sealing rings and oil sealing rings), so that maintenance and inspection are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting column, and particularly relates to full-sealed waterproof lifting column. BACKGROUND

[0002] Lifting column, also known as lifting ground column, lifting road column, anti-collision road column, hydraulic lifting column and isolation column, is widely used in urban traffic, military and important state organs gate and surrounding, pedestrian street, highway toll station, airport, school, bank, large meeting place, parking lot and many other occasions. Although the lifting column is widely used, there are still some technical problems, for example, the traditional lifting column does not have a good sealing structure, and water entering the inside leads to mechanical part corrosion or electrical failure; moreover, the equipment lacks effective lubrication, leading to increased friction when the lifting column moves, affecting work efficiency and accelerating part wear. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing full-sealed waterproof lifting column, and solves some technical problems existing in the prior art.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] Full-sealed waterproof lifting column, including stainless steel flange ring, wear-resistant sleeve, lifting column body and pre-buried cylinder, the top of the pre-buried cylinder is provided with pre-buried cylinder flange, the top of the wear-resistant sleeve is provided with wear-resistant sleeve flange, the wear-resistant sleeve is located between the lifting column body and the pre-buried cylinder, the stainless steel flange ring is installed on the wear-resistant sleeve flange and the pre-buried cylinder flange through a plurality of bolts, the wear-resistant sleeve flange is located between the stainless steel flange ring and the pre-buried cylinder flange;

[0006] A first waterproof sealing ring is arranged between the wear-resistant sleeve flange and the pre-buried cylinder flange; the upper inner wall of the wear-resistant sleeve is provided with upper annular clamping groove, lubricating oil groove and lower annular clamping groove, a dust seal ring is installed in the upper annular clamping groove, an oil seal ring is installed in the lower annular clamping groove, and the lubricating oil groove is used for storing lubricating oil;

[0007] The upper part of the dust seal ring is in a structure of upper thinness and lower thickness, the lower part of the oil seal ring is in a structure of upper thickness and lower thinness, the inner arc of the stainless steel flange ring and the lower part of the lower annular clamping groove are both in inclined surface structures, the inner arc inclined surface structure of the stainless steel flange ring is in close contact with the upper part of the dust seal ring, and the upper surface inner diameter of the stainless steel flange ring is equal to the outer diameter of the lifting column body, and the lower part inclined surface structure of the lower annular clamping groove is in close contact with the lower part of the oil seal ring.

[0008] Further, a second waterproof sealing ring is arranged between the stainless steel flange ring and the wear-resistant sleeve flange.

[0009] Further, the upper surface of the wear-resistant sleeve flange is provided with a positioning convex ring, and the lower surface of the stainless steel flange ring is provided with an annular positioning groove, and the positioning convex ring is located in the positioning groove.

[0010] Further, the stainless steel flange ring and the embedded cylinder flange are provided with two one-way pressure release valves, and the one-way pressure release valves are used for releasing the excessive gas pressure in the embedded cylinder.

[0011] Compared with the prior art, the full-sealing waterproof lifting column has the following beneficial effects:

[0012] (1) The double-sealing structure of the first and second waterproof sealing rings effectively prevents water from entering the embedded cylinder, and improves the waterproof performance of the equipment.

[0013] (2) The cooperation of the dust seal ring and the inner arc inclined surface of the stainless steel flange ring can effectively prevent external dust from entering, reduce dust accumulation, and enhance the dustproof effect.

[0014] (3) The closed lubricating oil groove between the dust seal ring and the oil seal ring ensures the storage of lubricating oil, provides necessary lubrication for the outer wall of the lifting column body, and isolates external water, thereby ensuring good lubrication conditions.

[0015] (4) The one-way pressure release valve is installed, which can automatically exhaust when the equipment is dynamically running and the internal pressure is too high, and prevent water from entering when the equipment is static, thereby realizing safe pressure management.

[0016] In summary, the full-sealing waterproof lifting column improves the reliability and durability of the lifting column, and is particularly suitable for use in environments with high environmental adaptability. The detachable flange ring and the clear sealing element position (such as the dust seal ring and the oil seal ring) make maintenance and inspection more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 is a perspective view of the full-sealing waterproof lifting column of the present application;

[0019] Figure 2 is a front view of the full-sealing waterproof lifting column of the present application;

[0020] Figure 3 is Figure 2 is a sectional view taken along A-A in Fig.

[0021] Figure 4This is a schematic diagram of the installation of the wear-resistant sleeve;

[0022] Figure 5 This is a schematic diagram of the dust seal ring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] The present invention will be further described in detail below with reference to the embodiments.

[0025] like Figures 1-5 As shown, a specific embodiment of the fully sealed waterproof lifting column provided by this utility model is as follows:

[0026] The fully sealed waterproof lifting column includes a stainless steel flange ring 1, a wear-resistant sleeve 2, a lifting column body 3, and a pre-embedded cylinder 4. The top of the pre-embedded cylinder 4 is provided with a pre-embedded cylinder flange 5, and the top of the wear-resistant sleeve 2 is provided with a wear-resistant sleeve flange 6. The wear-resistant sleeve 2 is located between the lifting column body 3 and the pre-embedded cylinder 4. The stainless steel flange ring 1 is installed on the wear-resistant sleeve flange 6 and the pre-embedded cylinder flange 5 by several bolts. The wear-resistant sleeve flange 6 is located between the stainless steel flange ring 1 and the pre-embedded cylinder flange 5.

[0027] A first waterproof sealing ring 7 is provided between the wear-resistant sleeve flange 6 and the pre-embedded cylinder flange 5, and a second waterproof sealing ring 8 is provided between the stainless steel flange ring 1 and the wear-resistant sleeve flange 6; the upper inner wall of the wear-resistant sleeve 2 is provided with an upper annular groove, a lubricating oil groove 9 and a lower annular groove, a dust seal ring 10 is installed in the upper annular groove, an oil seal ring 11 is installed in the lower annular groove, and the lubricating oil groove 9 is used to store lubricating oil.

[0028] The upper part of the dust seal ring 10 has a structure that is thinner at the top and thicker at the bottom (e.g., ...). Figure 5 As shown), the lower part of the oil seal ring 11 has a structure that is thicker at the top and thinner at the bottom. The inner arc of the stainless steel flange ring 1 and the lower part of the lower annular groove are both inclined structures. The inclined structure of the inner arc of the stainless steel flange ring 1 fits into the upper part of the dust seal ring 10, and the inner diameter of the upper surface of the stainless steel flange ring 1 is equal to the outer diameter of the lifting column body 3. The inclined structure of the lower part of the lower annular groove fits into the lower part of the oil seal ring 11.

[0029] The first waterproof sealing ring 7 is used for sealing the gap between the wear-resistant sleeve flange 6 and the embedded cylinder flange 5, and the second waterproof sealing ring 8 is used for sealing the gap between the stainless steel flange ring 1 and the embedded cylinder flange 5, and the double sealing structure of the first waterproof sealing ring 7 and the second waterproof sealing ring 8 can ensure that the water liquid cannot enter the embedded cylinder body 4.

[0030] In the embodiment, the inner side of the wear-resistant sleeve 2 in contact with the lifting column body 3 is provided with an upper annular clamping groove and a lower annular clamping groove, the upper annular clamping groove is used for installing a dust seal ring 10, the special structure on the upper part of the dust seal ring 10 cooperates with the inner arc inclined surface structure of the stainless steel flange ring 1 to prevent external dust from entering, and the special structure on the upper part of the dust seal ring 10 can reduce dust accumulation, and the lower annular clamping groove is used for installing an oil seal ring 11, the oil seal ring 11 is used for preventing water liquid and lubricating oil from flowing into the embedded cylinder body 4, and the dust seal ring 10 and the oil seal ring 11 form a closed lubricating oil groove 9 for storing lubricating oil, the lubricating oil is used for lubricating the outer wall of the lifting column body 3 and isolating water liquid entering the inside of the embedded cylinder body 4.

[0031] In addition, two one-way pressure release valves 12 can also be installed on the stainless steel flange ring 1 and the embedded cylinder flange 5, the one-way pressure release valve 12 is used for releasing the excessive gas pressure in the embedded cylinder body 4, in the process of static state of the full-sealing waterproof lifting column, water liquid cannot enter the inside of the equipment through the one-way pressure release valve 12, when the equipment is in dynamic state, the one-way pressure release valve 12 is automatically opened to discharge gas to the outside when the gas pressure in the embedded cylinder body 4 is too high and reaches a threshold value.

[0032] The upper surface of the wear-resistant sleeve flange 6 is provided with a positioning convex ring 13, the lower surface of the stainless steel flange ring 1 is provided with an annular positioning groove, the positioning convex ring 13 is located in the positioning groove, and the positioning convex ring 13 and the positioning groove are used for concentric installation of the stainless steel flange ring 1.

[0033] It should be noted that in this document, such as the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or equipment.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fully sealed waterproof lift column, characterized in that: The device comprises a stainless steel flange ring, a wear-resistant sleeve, a lifting column body and a pre-embedded cylinder, the top of the pre-embedded cylinder is provided with a pre-embedded cylinder flange, the top of the wear-resistant sleeve is provided with a wear-resistant sleeve flange, the wear-resistant sleeve is located between the lifting column body and the pre-embedded cylinder, the stainless steel flange ring is installed on the wear-resistant sleeve flange and the pre-embedded cylinder flange through a plurality of bolts, and the wear-resistant sleeve flange is located between the stainless steel flange ring and the pre-embedded cylinder flange. A first waterproof sealing ring is arranged between the wear-resistant sleeve flange and the pre-embedded cylinder flange, the upper inner wall of the wear-resistant sleeve is provided with an upper annular clamping groove, a lubricating oil groove and a lower annular clamping groove, a dust seal ring is installed in the upper annular clamping groove, an oil seal ring is installed in the lower annular clamping groove, and the lubricating oil groove is used for storing lubricating oil. The upper part of the dust seal ring is in a structure of being thin at the top and thick at the bottom, the lower part of the oil seal ring is in a structure of being thick at the top and thin at the bottom, the inner arc of the stainless steel flange ring and the lower part of the lower annular clamping groove are both in a slope structure, the slope structure of the inner arc of the stainless steel flange ring is matched with the upper part of the dust seal ring, the upper surface inner diameter of the stainless steel flange ring is equal to the outer diameter of the lifting column body, and the slope structure of the lower part of the lower annular clamping groove is matched with the lower part of the oil seal ring.

2. The fully sealed waterproof lift column according to claim 1, wherein: A second waterproof sealing ring is arranged between the stainless steel flange ring and the wear-resistant sleeve flange.

3. The fully sealed waterproof lift column according to claim 2, wherein: The upper surface of the wear-resistant sleeve flange is provided with a positioning convex ring, the lower surface of the stainless steel flange ring is provided with an annular positioning groove, and the positioning convex ring is located in the positioning groove.

4. The fully sealed waterproof lift column according to claim 3, wherein: Two one-way pressure release valves are installed on the stainless steel flange ring and the pre-embedded cylinder flange, and the one-way pressure release valves are used for releasing the excessive gas pressure in the pre-embedded cylinder.

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