CN219187364U - Multi-effect protection device for hub spraying - Google Patents

Abstract

The utility model relates to a multi-effect protection device for hub spraying. The utility model comprises an outer base, wherein the outer base comprises a ring-shaped base disc and a positioning table extending along the outer peripheral end of the base disc, the positioning table is provided with a conical positioning surface propped against the outer diameter surface of the hub, and a first gap is formed between the base disc and the front rim of the hub; the top shield comprises a ring-shaped top disc and a straight table extending along the inner annular end of the top disc, the top disc is connected to the upper end of the base disc, the straight table comprises a straight table surface in sliding contact with the inner annular wall of the base disc, and a second gap is formed between the straight table surface and the inner wall table of the rim outside the hub; the protection cylinder comprises an annular protection wall, the upper end of the annular protection wall is connected to the straight table, and the lower end of the annular protection wall is provided with a follow-up arc surface which follows the round angle surface of the inner wheel wall at the outer side of the wheel hub and forms a third gap with the round angle surface of the inner wheel wall at the outer side of the wheel hub. The utility model can meet the requirements of batch products.

Description

Multi-effect protection device for hub spraying

Technical Field

The utility model relates to the technical field of hub processing, in particular to a multi-effect protection device for hub spraying.

Background

Compared with a steel wheel, the aluminum alloy wheel hub has unique advantages, and is mainly characterized by attractive appearance, excellent performance and light weight. To meet the aesthetic and personalized demands of hubs, the traditional full-coating single-color is gradually changed to double-color finish turning bright surfaces, so that market acceptance is obtained. The existing color-coated hub products also appear successively, different colors are sprayed in different areas or different colors are sprayed in the areas, and the hub is required to be protected during spraying, so that the surface of the hub is scratched easily by the protection device in the prior art during spraying, the appearance quality and consistency of the hub after spraying cannot be guaranteed, and the requirements of batch products cannot be met.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a multi-effect protection device for hub spraying, which can be flexibly adjusted and detached and has good protection effect.

In order to solve the technical problems, the utility model provides a multi-effect protection device for hub spraying, comprising:

the outer base comprises a ring-shaped base disc and a positioning table extending along the outer ring edge of the base disc, the positioning table is provided with a conical positioning surface propped against the outer diameter surface of the hub, and a first gap is formed between the base disc and the front rim of the hub;

the top shield comprises a ring-shaped top disc and a straight table extending along the inner annular end of the top disc, the top disc is connected to the upper end of the base disc, the straight table comprises a straight table surface in sliding contact with the inner annular wall of the base disc, and a second gap is formed between the straight table surface and the inner wall table of the rim outside the hub;

the protection cylinder comprises an annular protection wall, the upper end of the annular protection wall is connected to the straight table, and the lower end of the annular protection wall is provided with a follow-up arc surface which follows the round angle surface of the inner wheel wall at the outer side of the wheel hub and forms a third gap with the round angle surface of the inner wheel wall at the outer side of the wheel hub.

In one embodiment of the utility model, the first gap is not less than 0.5mm.

In one embodiment of the utility model, the positioning table is provided with a through screw hole group along the axial direction of the base plate, the screw hole group is connected with a countersunk bolt, and the top plate is connected with the outer base through the countersunk bolt.

In one embodiment of the utility model, the second gap is in the range of 0.35-0.7mm.

In one embodiment of the utility model, the straight table is provided with an annular groove, a locking hole is arranged on one side of the annular groove on the straight table, and the upper end of the annular retaining wall extends into the annular groove and is locked by the locking hole and a locking piece connected in the locking hole.

In one embodiment of the present utility model, the third gap is in the range of 0.35-0.8mm.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the multi-effect protection device for hub spraying, the outer base, the top shield and the protective cylinder are arranged, so that the structure is simple, flexible adjustment and disassembly can be carried out among all parts, all parts can be prevented from being in direct contact with key parts of a hub during spraying, good protection effect can be achieved, and the requirement of batch products is met.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

Fig. 1 is a schematic view of the overall structure of the multi-effect protector for hub spraying according to the present utility model.

Fig. 2 is an enlarged partial schematic view at a in fig. 1.

Fig. 3 is a partially enlarged schematic view at B in fig. 1.

Fig. 4 is an enlarged partial schematic view at C in fig. 1.

Fig. 5 is a partially enlarged schematic view at D in fig. 1.

Fig. 6 is a schematic view of the outer base structure of the present utility model.

Fig. 7 is a schematic view of a hub.

Description of the specification reference numerals: 100. a hub front rim; 120. a hub outer diameter surface; 130. round angle surface of inner wheel wall at outer side of hub; 140. a wheel hub outer side rim inner wall table; 1. an outer base; 11. a base plate; 12. a positioning table; 121. screw hole group; 122. countersunk head bolts; 123. a conical locating surface; 13. a first gap; 2. a top shield; 21. a top plate; 22. a straight table; 221. a straight table top; 222. an annular groove; 223. a locking hole; 224. a locking member; 23. a second gap; 3. a protective barrel; 31. an annular retaining wall; 32. a follow-up cambered surface; 33. and a third gap.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1 to 7, a multi-effect shielding apparatus for hub painting according to the present utility model includes:

an outer base 1, the outer base 1 comprising a base plate 11 having a ring shape and a positioning table 12 extending along an outer circumferential end of the base plate 11, the positioning table 12 having a tapered positioning surface 123 abutting against a hub outer diameter surface 120, the base plate 11 and the hub front wheel rim 100 being formed with a first gap 13 (as shown in fig. 3 a);

a top shield 2, wherein the top shield 2 comprises a ring-shaped top disk 21 and a straight table 22 extending along the inner circumferential end of the top disk 21, the top disk 21 is connected to the upper end of the base disk 11, the straight table 22 comprises a straight table 221 in sliding contact with the inner circumferential wall of the base disk 11, and the straight table 221 and the hub outer rim inner wall table 140 form a second gap 23 (as shown in fig. 4 b);

the protection cylinder 3, the protection cylinder 3 comprises an annular protection wall 31, the upper end of the annular protection wall 31 is connected with the straight platform 22, the lower end of the annular protection wall 31 is provided with a following arc surface 32 following the hub outer inner wheel wall circular angle surface 130, and a third gap 33 is formed between the annular protection wall and the hub outer inner wheel wall circular angle surface 130 (as shown in c in fig. 5).

The conical positioning surface 123 is positioned against the hub outer diameter surface 120, so that the hub front wheel rim 100 is prevented from being in direct contact with the plane of the base plate 11, wherein the first gap 13 is not smaller than 0.5mm.

Specifically, the positioning table 12 is provided with a through screw hole set 121 along the axial direction of the base plate 11, the screw hole set 121 is connected with a countersunk bolt 122, and the top plate 21 is connected with the outer base 1 through the countersunk bolt 122. In this embodiment, four countersunk bolts 122 are circumferentially arranged on the base plate 11, and the countersunk bolts 122 can be adjusted from the bottom to flexibly adjust the position of the top shield 2, so that the coating is not easy to adhere during spraying construction.

The design of the L-shaped top shield 2 ensures that the counter bore matched with the countersunk head bolt 122 is in a hidden design and is not easy to splash by redundant coating.

Specifically, the range of the second gap 23 is 0.35-0.7mm, the range of the third gap 33 is 0.35-0.8mm, and the first gap 13, the second gap 23 and the third gap 33 are arranged, so that the direct contact with key parts of the hub during spraying can be avoided, the surface of the hub is prevented from being scratched, and a good protection effect can be achieved.

Specifically, the straight table 22 is provided with an annular groove 222, a locking hole 223 is formed in the straight table 22 at one side of the annular groove 222, and the upper end of the annular retaining wall 31 extends into the annular groove 222 and is locked by the locking hole 223 and a locking piece 224 connected in the locking hole 223; in this embodiment, the locking hole 223 is a counter bore, and the locking member 224 is a countersunk bolt 122. By the above arrangement, the cartridge guard 3 and the top shield 2 are detachable.

In this embodiment, the outer base 1, the top shield 2 and the casing 3 are all made of aluminum alloy. When in use, after the outer base 1, the top shield 2 and the protective cylinder 3 are connected in sequence, the base plate 11 of the outer base 1 is positioned and placed on the front wheel rim 100 of the wheel hub, and then the subsequent spraying operation is performed.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims (6)

1. A multi-effect shielding device for wheel hub spraying, comprising:

an outer base (1), wherein the outer base (1) comprises a ring-shaped base disc (11) and a positioning table (12) extending along the outer ring edge of the base disc (11), the positioning table (12) is provided with a conical positioning surface (123) propped against the hub outer diameter surface (120), and a first gap (13) is formed between the base disc (11) and the hub front rim (100);

a top shield (2), wherein the top shield (2) comprises a ring-shaped top disc (21) and a straight table (22) extending along the inner circumferential end of the top disc (21), the top disc (21) is connected to the upper end of the base disc (11), the straight table (22) comprises a straight table surface (221) which is in sliding contact with the inner circumferential wall of the base disc (11), and the straight table surface (221) and the inner rim wall table (140) of the outer side of the hub form a second gap (23);

the protection cylinder (3), protection cylinder (3) include annular protection wall (31), annular protection wall (31) upper end is connected in straight platform (22), annular protection wall (31) lower extreme is equipped with along with in wheel hub outside interior wall round angle face (130) along with cambered surface (32) and with form third clearance (33) between wheel hub outside interior wall round angle face (130).

2. A multi-effect shielding device for wheel hub spraying according to claim 1, characterized in that the first gap (13) is not less than 0.5mm.

3. The multi-effect protection device for hub spraying according to claim 1, wherein the positioning table (12) is provided with a through screw hole group (121) along the axial direction of the base plate (11), the screw hole group (121) is connected with a countersunk bolt (122), and the top plate (21) is connected with the outer base (1) through the countersunk bolt (122).

4. A multi-effect shielding device for wheel hub spraying according to claim 1, characterized in that the second gap (23) ranges from 0.35-0.7mm.

5. The multi-effect protection device for hub spraying according to claim 1, wherein the straight table (22) is provided with an annular groove (222), a locking hole (223) is formed in one side of the straight table (22) located on the annular groove (222), and the upper end of the annular protection wall (31) stretches into the annular groove (222) and is locked through the locking hole (223) and a locking piece (224) connected in the locking hole (223).

6. A multi-effect protector for wheel hub painting according to claim 1, characterized in that the third gap (33) ranges from 0.35-0.8mm.

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