CN213013221U - Waterproof spindle - Google Patents

Abstract

The utility model discloses a waterproof spindle, including the spindle blade that the rotation support was on the spindle blade, be equipped with the spindle disk on the spindle blade, be equipped with waterproof ring between spindle disk and spindle blade, this waterproof ring includes connecting portion and the waterproof disk portion that is located the connecting portion upper end, be equipped with the bulge loop on the downside of waterproof disk portion, the external diameter D of bulge loop is less than the external diameter D of waterproof disk portion, be equipped with the waterproof disk groove corresponding with waterproof disk portion in the lower extreme hole of spindle disk, still be equipped with the bulge loop groove corresponding with the bulge loop in the waterproof disk groove, the waterproof disk portion is inserted in the waterproof disk groove, the bulge loop is inserted in the bulge loop inslot, leave the clearance between waterproof disk groove and the waterproof disk portion, leave the clearance between bulge loop and the bulge loop groove; the waterproof ring is an elastic component, and the connecting part of the waterproof ring is fixedly connected to the upper end of the spindle foot in a sleeved mode. Adopt the utility model discloses a waterproof type spindle can have good water-proof effects, and it is downthehole effectively to prevent moisture to enter into the spindle foot.

Description

Waterproof spindle

Technical Field

The utility model relates to a textile equipment especially relates to a ring spinning uses spindle.

Background

In the spinning process using flax or ramie as raw material, in order to reduce the hairiness on the surface of the yarn, a wet spinning process is usually adopted, the roving is passed through a water tank for humidification and then is drafted and twisted, the spun yarn contains a large amount of moisture, and therefore, the spindle used in the spinning equipment has to have a waterproof function to prevent the moisture from entering into the spindle foot hole from the gap between the spindle disk and the spindle foot to cause the failure of the lubricating oil in the spindle foot hole and further cause the damage of the spindle rod support bearing.

The utility model discloses a utility model with publication (announcement) number 2659907Y discloses a waterproof type flax spindle of wet spinning, it utilizes the waterproof ring of installing between spindle disc and spindle foot to prevent that the moisture that contains in the yarn that spins from entering into the spindle foot downthehole, can play certain water-proof effects, nevertheless because this waterproof ring simple structure, it causes the hindrance in order to avoid waterproof ring to the rotary motion of spindle blade to leave corresponding clearance between the waterproof ring periphery that links firmly on the spindle foot and the rotatory spindle disc hole, moisture can directly see through this clearance and enter into in the spindle foot, therefore its water-proof effects is not ideal.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art exists, the utility model aims to solve the technical problem that a waterproof type spindle is provided, it can have good water-proof effects, effectively prevents moisture to enter into the bolster downthehole.

In order to solve the technical problem, the waterproof spindle of the utility model comprises a spindle blade which is rotatably supported on a spindle foot, a spindle disc is arranged on the spindle blade, a waterproof ring is arranged between the spindle disc and the spindle foot, the waterproof ring comprises a connecting part and a waterproof disc part positioned at the upper end of the connecting part, a convex ring is arranged on the lower side surface of the waterproof disc part, the outer diameter D of the convex ring is smaller than the outer diameter D of the waterproof disc part, a waterproof disc groove corresponding to the waterproof disc part is arranged in the inner hole at the lower end of the spindle disc, a convex ring groove corresponding to the convex ring is also arranged in the waterproof disc groove, the height A between the edge of the inner diameter of the convex ring groove and the lower end surface of the spindle plate is smaller than the height B between the edge of the outer diameter of the convex ring groove and the lower end surface of the spindle plate, the waterproof disc part is inserted in the waterproof disc groove, the convex ring is inserted in the convex ring groove, a gap is reserved between the waterproof disc groove and the waterproof disc part, and a gap is reserved between the convex ring and the convex ring groove; the waterproof ring is an elastic component, and the connecting part of the waterproof ring is fixedly connected to the upper end of the spindle foot in a sleeved mode.

In the structure, as the waterproof ring is arranged between the spindle disk and the spindle foot, the waterproof ring comprises a connecting part and a waterproof disk part positioned at the upper end of the connecting part, the lower side surface of the waterproof disk part is provided with a convex ring, the outer diameter D of the convex ring is smaller than the outer diameter D of the waterproof disk part, the inner hole at the lower end of the spindle disk is provided with a waterproof disk groove corresponding to the waterproof disk part, the waterproof disk groove is also provided with a convex ring groove corresponding to the convex ring, the height A from the inner diameter edge of the convex ring groove to the lower end surface of the spindle disk is smaller than the height B from the outer diameter edge of the convex ring groove to the lower end surface of the spindle disk, the waterproof disk part is inserted in the waterproof disk groove, the convex ring is inserted in the convex ring groove, a gap is reserved between the waterproof disk groove and the waterproof disk part, a gap is reserved between the convex ring and the convex ring groove, and two labyrinth-type waterproof barriers are formed between the waterproof ring arranged between the waterproof disk and the waterproof disk groove and the, one is horizontal, the other is vertical, and a gap is reserved between the waterproof disc groove and the waterproof disc part and between the convex ring and the convex ring groove, so that the spindle cannot be rubbed with the waterproof ring in the working process of the spindle, and the normal operation of the spindle can be ensured; the water possibly entering from the position between the inner hole at the lower end of the spindle disk and the connecting part of the waterproof ring can only enter the convex ring groove through a gap between the edge of the inner diameter of the convex ring groove and the lower side surface of the waterproof disk part, and can be blocked by the convex ring to lose the power further entering the spindle foot hole from the position between the spindle disk and the spindle foot, and then is blocked by the waterproof disk part and the waterproof disk groove in the horizontal direction, so that the water is difficult to enter the spindle foot hole, the height A from the edge of the inner diameter of the convex ring groove to the lower end surface of the spindle disk is smaller than the height B from the edge of the outer diameter of the convex ring groove to the lower end surface of the spindle disk, so that the water entering the convex ring groove can only reach the height of the edge of the inner diameter of the convex ring groove and cannot enter the position between the waterproof disk groove and the waterproof disk groove.

And because the waterproof ring is an elastic component, the connecting part of the waterproof ring is fixedly connected with the upper end of the spindle foot in a sleeved mode, the waterproof ring can enable the connecting part of the waterproof ring to be fixedly connected with the upper end of the spindle foot by utilizing the elasticity of the waterproof ring, and the waterproof disc part and the convex ring can generate elastic deformation by utilizing the elasticity of the waterproof ring to enter the waterproof disc groove and the convex ring groove through the radial gap between the inner hole at the lower end of the spindle disc and the upper end of the spindle foot, so that the waterproof ring is installed in place and the functions of the waterproof ring are.

The utility model discloses a preferred embodiment, clearance m between waterproof dish portion upper surface and the waterproof dish groove surface is 0.3 ~ 0.6 millimeter. By adopting the embodiment, the upper surface of the waterproof disc part and the waterproof disc groove can be ensured not to be rubbed in the working process of high-speed rotation of the spindle disc.

In another preferred embodiment of the present invention, the clearance n between the outer peripheral surface of the waterproof disk portion and the surface of the waterproof disk groove is 0.3 to 0.6 mm. By adopting the embodiment, the spindle disc can be ensured not to be rubbed between the outer peripheral surface of the waterproof disc part and the waterproof disc groove in the working process of high-speed rotation, and meanwhile, the moisture entering the convex ring groove is difficult to further permeate upwards through the outer peripheral surface of the waterproof disc part and the surface of the waterproof disc groove.

In another preferred embodiment of the present invention, the waterproof disk groove surface S opposite to the lower surface of the waterproof disk portion outside the convex ring is a conical surface. By adopting the embodiment, even if the water entering the convex ring groove is possibly thrown between the lower surface of the waterproof disc part outside the convex ring and the surface of the waterproof disc groove opposite to the lower surface in the ingot disc movement process, the water can flow back into the convex ring groove along the conical surface under the action of gravity, and the water is prevented from further permeating inwards.

The utility model discloses further preferred embodiment, the clearance t between inboard waterproof dish portion lower surface of bulge loop and the waterproof dish groove surface is 0.3 ~ 0.6 millimeter. By adopting the embodiment, the lower surface of the inner side waterproof disc part of the convex ring and the surface of the waterproof disc groove can not be rubbed in the working process of the spindle disc rotating at high speed, and meanwhile, the moisture entering the space between the inner hole at the lower end of the spindle disc and the periphery of the connecting part of the waterproof ring is difficult to enter the inner part of the waterproof disc groove through the space between the lower surface of the inner side waterproof disc part of the convex ring and the surface of the waterproof disc groove.

Drawings

The waterproof spindle of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a specific embodiment of a waterproof spindle of the present invention;

FIG. 2 is an enlarged partial view of portion I of the structure of FIG. 1;

FIG. 3 is an enlarged partial cross-sectional view of the spindle disk of the configuration shown in FIG. 1;

fig. 4 is an enlarged structural view of the waterproof ring in the structure shown in fig. 1.

In the figure: 1-spindle blade, 2-spindle disk, 21-waterproof disk groove, 22-convex ring groove, 3-spindle foot, 4-waterproof ring, 41-connecting part, 42-convex ring and 43-waterproof disk part.

Detailed Description

In the waterproof spindle shown in fig. 1 and 2, a spindle blade 1 is rotatably supported on a spindle foot 3, a spindle disc 2 is arranged on the spindle blade 1, the spindle disc 2 is tightly fitted and fixedly connected to the middle part of the spindle blade 1, the upper end of the spindle foot 3 is positioned in an inner hole at the lower end of the spindle disc 2, and a waterproof ring 4 is arranged between the spindle disc 2 and the spindle foot 3. Referring to fig. 4, the waterproof ring 4 includes a connection portion 41 and a waterproof disc portion 43 located at the upper end of the connection portion 41, a convex ring 42 is disposed on the lower side surface of the waterproof disc portion 43, the outer diameter D of the convex ring 42 is smaller than the outer diameter D of the waterproof disc portion 43, the waterproof ring 4 is an elastic member, which may be a rubber member, and the connection portion 41 of the waterproof ring 4 is fixedly connected to the upper end of the spindle foot 3; referring to fig. 3, a waterproof disc groove 21 corresponding to the waterproof disc portion 43 is arranged in the inner hole at the lower end of the spindle disc 2, a convex ring groove 22 corresponding to the convex ring 42 is further arranged in the waterproof disc groove 21, the height a from the edge at the inner diameter of the convex ring groove 22 to the lower end face of the spindle disc 2 is smaller than the height B from the edge at the outer diameter of the convex ring groove 22 to the lower end face of the spindle disc 2, and the surface S of the waterproof disc groove 21 opposite to the lower surface of the waterproof disc portion 43 outside the convex ring 42 is a conical surface; the waterproof disk part 43 is inserted into the waterproof disk groove 21, the bulge ring 42 is inserted into the bulge ring groove 22, a gap is reserved between the waterproof disk groove 21 and the waterproof disk part 43, and a gap is reserved between the bulge ring 42 and the bulge ring groove 22, wherein the gap m between the upper surface of the waterproof disk part 43 and the surface of the waterproof disk groove 21 is 0.3-0.6 mm, the gap n between the peripheral surface of the waterproof disk part 43 and the surface of the waterproof disk groove 21 is 0.3-0.6 mm, and the gap t between the lower surface of the waterproof disk part 43 on the inner side of the bulge ring 42 and the surface of the waterproof disk groove 21 is 0.3-0.6 mm.

The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. For example, a drain hole with a plug, which is communicated with the convex ring groove 22, can be arranged on the lower end surface of the spindle disk 2 so that the plug can be pulled out to drain the water in the convex ring groove 22 during spindle maintenance. Therefore, any improvement and changes made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.

Claims (5)

1. A waterproof spindle comprises a spindle blade (1) rotatably supported on a spindle foot (3), wherein a spindle disc (2) is arranged on the spindle blade (1), and the waterproof spindle is characterized in that: a waterproof ring (4) is arranged between the spindle disk (2) and the spindle foot (3), the waterproof ring (4) comprises a connecting part (41) and a waterproof disk part (43) positioned at the upper end of the connecting part (41), a convex ring (42) is arranged on the lower side surface of the waterproof disk part (43), the outer diameter D of the convex ring (42) is smaller than the outer diameter D of the waterproof disk part (43), a waterproof disk groove (21) corresponding to the waterproof disk part (43) is arranged in the inner hole at the lower end of the spindle disk (2), a convex ring groove (22) corresponding to the convex ring (42) is also arranged in the waterproof disk groove (21), the height A from the inner diameter position edge of the convex ring groove (22) to the lower end surface of the spindle disk (2) is smaller than the height B from the outer diameter position edge of the convex ring groove (22) to the lower end surface of the spindle disk (2), the waterproof disk part (43) is inserted in the waterproof disk groove (21), and the convex ring (42), a gap is reserved between the waterproof disc groove (21) and the waterproof disc part (43), and a gap is reserved between the convex ring (42) and the convex ring groove (22); the waterproof ring (4) is an elastic component, and a connecting part (41) of the waterproof ring (4) is fixedly connected to the upper end of the spindle foot (3) in a sleeved mode.

2. The waterproof spindle according to claim 1, characterized in that: the clearance m between the upper surface of the waterproof disc part (43) and the surface of the waterproof disc groove (21) is 0.3-0.6 mm.

3. The waterproof spindle according to claim 1, characterized in that: the clearance n between the outer peripheral surface of the waterproof disk part (43) and the surface of the waterproof disk groove (21) is 0.3-0.6 mm.

4. The waterproof spindle according to claim 1, characterized in that: the surface S of the waterproof disc groove (21) opposite to the lower surface of the waterproof disc part (43) at the outer side of the convex ring (42) is a conical surface.

5. The waterproof spindle according to claim 1, characterized in that: the clearance t between the lower surface of the waterproof disc part (43) on the inner side of the convex ring (42) and the surface of the waterproof disc groove (21) is 0.3-0.6 mm.

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