Lightweight hollow stick part

Abstract

The utility model relates to the field of hollow stick type parts, and discloses a lightweight hollow stick type part which comprises an inner pipe, a limiting clamping groove is formed in the inner pipe, an arc-shaped block is slidably connected in the limiting clamping groove, a sliding groove is formed in the inner pipe, a connecting assembly is fixedly connected in the arc-shaped block, and the connecting assembly is fixedly connected in the sliding groove. An outer pipe is fixedly connected to the outer portion of the connecting assembly, a mounting groove is formed in the inner pipe, and transverse reinforcing ribs are fixedly connected to the inner side of the outer pipe. According to the utility model, the arc-shaped block is aligned with the mounting groove, the outer pipe is slid to slide the arc-shaped block to the sliding groove, the inner pipe is kept fixed, the outer pipe is rotated, the arc-shaped block slides into the limiting clamping groove, the position of the outer pipe is locked, rapid mounting and fixing are completed, rapid assembling and fixing of the outer pipe are realized, parts can be assembled more conveniently and efficiently, and the parts can be disassembled for maintenance; and reliable operation of parts is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to hollow stick kind spare field especially relates to a kind of lightweight hollow stick kind spare. BACKGROUND

[0002] Hollow stick kind spare is the stick-like component that inside is hollow structure, by virtue of the characteristics of reducing dead weight, saving material, plays a key role in mechanical transmission. It is widely used in transmission, support and other scenes of industrial production, reduces friction by rolling, improves equipment operating efficiency, meets the demand of various working conditions.

[0003] Lightweight hollow stick kind spare is mainly composed of hollow roller body, bearing and shaft head. Roller body reduces weight, bearing ensures flexible rotation, and shaft head realizes component connection. When using, it is installed on transmission device, cooperates with transmission belt and other components, and material transmission and other operations are completed by rotating.

[0004] In prior art, part of hollow stick kind spare adopts fixed hollow structure, so that it is difficult to maintain when the internal part of the spare is damaged, thereby affecting the use of the spare, and therefore a kind of lightweight hollow stick kind spare is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of lightweight hollow stick kind spare, to improve the problem that part of hollow part of stick kind spare in prior art is difficult to maintain.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of lightweight hollow stick kind spare, including inner tube, the inside of the inner tube is provided with limiting slot, the inside of the limiting slot is slidably connected with arc block, the inside of the inner tube is provided with sliding slot, the inside of the arc block is fixedly connected with connecting assembly, the outside of the connecting assembly is fixedly connected with outer tube, the inside of the inner tube is provided with installation slot, the inner side of the outer tube is fixedly connected with horizontal reinforcing rib;

[0008] As a further description of the above technical scheme:

[0009] The connecting assembly includes round bar one, the inside of the arc block is fixedly connected with the outer end of the round bar one, the inner side of the outer tube is fixedly connected with the outer other end of the round bar one, the inside of the arc block is fixedly connected with round bar two, the inner side of the outer tube is fixedly connected with the outer other end of the round bar two;

[0010] As a further description of the above technical scheme:

[0011] The inside of the outer tube is fixedly connected with temperature-resistant layer, and the outside of the temperature-resistant layer is arranged in the inside of the outer tube.

[0012] As a further description of the above technical solutions:

[0013] The outer part of the temperature-resistant layer is fixedly connected with an insulating layer, and the outer part of the insulating layer is arranged in the inner part of the outer pipe.

[0014] As a further description of the above technical solutions:

[0015] The outer part of the insulating layer is fixedly connected with a filling layer, and the outer part of the filling layer is arranged in the inner part of the outer pipe.

[0016] As a further description of the above technical solutions:

[0017] The outer part of the filling layer is fixedly connected with a reinforcing layer, and the outer part of the reinforcing layer is arranged in the inner part of the outer pipe.

[0018] As a further description of the above technical solutions:

[0019] The outer part of the arc-shaped block is slidably connected in the inner part of the sliding groove, and the outer part of the arc-shaped block is slidably connected in the inner part of the mounting groove.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、The utility model discloses a quick installation and fixing of the arc-shaped block in the mounting groove are carried out, the outer pipe position is locked, the quick installation and fixing of the outer pipe are realized, the parts can be assembled more convenient and efficient, the parts can be disassembled and overhauled, and reliable operation of the parts is ensured.

[0022] 2、The utility model discloses that the outer pipe is internally provided with a temperature-resistant layer, an insulating layer, a filling layer and a reinforcing layer, can bear high temperature, prevents the part from being damaged due to high temperature, the insulating layer can prevent static electricity from passing through, the filling layer can improve overall strength and stability, further enhances the overall strength of the part, makes the part have the characteristics of high strength, and prolongs the service life of the part. DRAWINGS

[0023] Figure 1 A three-dimensional schematic view of a light-weight hollow rod part is provided for the utility model;

[0024] Figure 2 A structure schematic view of an arc-shaped block of a light-weight hollow rod part is provided for the utility model;

[0025] Figure 3 A structure schematic view of an inner pipe of a light-weight hollow rod part is provided for the utility model;

[0026] Figure 4A structure schematic view of the outer tube of the light-weight hollow stick part is provided in the utility model.

[0027] Legend:

[0028] 1, inner tube; 2, limit card slot; 3, sliding groove; 4, arc block; 5, round rod one; 6, round rod two; 7, installation groove; 8, outer tube; 9, transverse reinforcing rib; 10, temperature-resistant layer; 11, insulation layer; 12, filling layer; 13, reinforcing layer. Specific embodiments

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] With reference to Figures 1 to 3 , the utility model provides an embodiment: a light-weight hollow stick part, including inner tube 1, inner tube 1 is as the core support structure of part, the inside of inner tube 1 is used for motor rotating shaft connection, the inside of inner tube 1 is provided with limit card slot 2, limit card slot 2 provides reliable limit function, prevents arc block 4 from separating from inner tube 1, the inside of limit card slot 2 is slidably connected with arc block 4, arc block 4 can slide in limit card slot 2 and sliding groove 3, realizes the movement and positioning of outer tube 8 relative to inner tube 1, the inside of inner tube 1 is provided with sliding groove 3, sliding groove 3 provides the track of axial sliding for arc block 4, arc block 4 is fixedly connected with connecting assembly in the inside, connecting assembly is fixedly connected with outer tube 8 on the outside, outer tube 8 is hollow cylindrical structure, the outside of outer tube 8 is used to contact with belt, the inside of inner tube 1 is provided with installation groove 7, installation groove 7 is transverse slot, is used to provide the space of installation and sliding for arc block 4, the inner side of outer tube 8 is fixedly connected with transverse reinforcing rib 9, transverse reinforcing rib 9 is used to enhance the structural strength of outer tube 8, prevents outer tube 8 from deforming when being stressed, improves the carrying capacity of outer tube 8, arc block 4 is slidably connected in the inside of sliding groove 3 on the outside, arc block 4 is slidably connected in the inside of installation groove 7 on the outside;

[0031] Connecting assembly includes round rod one 5, round rod one 5 is solid cylindrical rod, the inside of arc block 4 is fixedly connected with round rod two 6 on the outside one end of round rod one 5, the inner side of outer tube 8 is fixedly connected with the other end of round rod one 5 on the outside, arc block 4 is fixedly connected with round rod two 6 in the inside, round rod one 5 and round rod two 6 are triangular distribution, can make structure more stable, the inner side of outer tube 8 is fixedly connected with the other end of round rod two 6 on the outside.

[0032] With reference to Figure 2 andFigure 4 The inside of the outer pipe 8 is fixedly connected with a temperature-resistant layer 10, the temperature-resistant layer 10 is made of ceramic fiber material, the ceramic fiber has excellent high-temperature resistance, can withstand high temperature without melting, and has good heat insulation effect, the outside of the temperature-resistant layer 10 is arranged in the inside of the outer pipe 8, the outside of the temperature-resistant layer 10 is fixedly connected with an insulating layer 11, the insulating layer 11 is made of polytetrafluoroethylene material, the polytetrafluoroethylene has excellent electrical insulation performance and chemical stability, strong corrosion resistance, the outside of the insulating layer 11 is arranged in the inside of the outer pipe 8, the outside of the insulating layer 11 is fixedly connected with a filling layer 12, the filling layer 12 is made of honeycomb material, the honeycomb material has high specific strength and specific stiffness, can improve the overall strength and stability of the part with less weight, the outside of the filling layer 12 is arranged in the inside of the outer pipe 8, the outside of the filling layer 12 is fixedly connected with a reinforcing layer 13, the reinforcing layer 13 is made of carbon fiber reinforced plastic, the carbon fiber reinforced plastic has the characteristics of high strength and high modulus, can significantly improve the overall strength of the part, and the outside of the reinforcing layer 13 is arranged in the inside of the outer pipe 8.

[0033] Working principle: the worker aims the arc-shaped block 4 at the installation slot 7, slides the outer pipe 8, the outer pipe 8 drives the arc-shaped block 4 to slide in the installation slot 7 through the round rod one 5 and the round rod two 6, and the arc-shaped block 4 is slid into the sliding slot 3, then the inner pipe 1 is kept fixed, the outer pipe 8 is rotated, the outer pipe 8 drives the arc-shaped block 4 to slide in the sliding slot 3 through the round rod one 5 and the round rod two 6, then the arc-shaped block 4 is slid into the limiting clamping slot 2, thereby the position of the outer pipe 8 is locked, and the quick assembly and fixation of the outer pipe 8 are realized.

[0034] The outer pipe 8 is in contact with the belt, and power is transmitted to the belt, in the working process, the outer pipe 8 will withstand various forces, the transverse reinforcing rib 9 enhances the structural strength of the outer pipe 8, resists deformation, the temperature-resistant layer 10 is made of ceramic fiber, can withstand high temperature, prevents the outer pipe 8 from being damaged due to high temperature, the insulating layer 11 is made of polytetrafluoroethylene, prevents current from passing through the outer pipe 8, the honeycomb material of the filling layer 12 improves the overall strength and stability, and the carbon fiber reinforced plastic of the reinforcing layer 13 further enhances the overall strength of the part, and ensures reliable operation of the part.

[0035] Finally, it should be noted that: the above only for preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A light-weight hollow stick-like part comprising an inner tube (1), characterized in that: The inside of the inner tube (1) is provided with a limiting clamping groove (2), the limiting clamping groove (2) is slidably connected with an arc-shaped block (4), the inner tube (1) is provided with a sliding groove (3), the arc-shaped block (4) is fixedly connected with a connecting assembly, the connecting assembly is fixedly connected with an outer tube (8), the inner tube (1) is provided with an installation groove (7), and the inner side of the outer tube (8) is fixedly connected with a transverse reinforcing rib (9).

2. A lightweight hollow pole-like part according to claim 1, characterized in that: The connecting assembly comprises a round rod one (5), one end of the outer side of the round rod one (5) is fixedly connected with the inside of the arc-shaped block (4), the other end of the outer side of the round rod one (5) is fixedly connected with the inner side of the outer tube (8), the arc-shaped block (4) is fixedly connected with a round rod two (6), and the other end of the outer side of the round rod two (6) is fixedly connected with the inner side of the outer tube (8).

3. The lightweight hollow pole-like part according to claim 1, characterized in that: The inner side of the outer tube (8) is fixedly connected with a temperature-resistant layer (10), and the outer side of the temperature-resistant layer (10) is arranged in the inner side of the outer tube (8).

4. A lightweight hollow pole-like part according to claim 3, characterized in that: The outer side of the temperature-resistant layer (10) is fixedly connected with an insulating layer (11), and the outer side of the insulating layer (11) is arranged in the inner side of the outer tube (8).

5. A lightweight hollow pole-like part according to claim 4, characterized in that: The outer side of the insulating layer (11) is fixedly connected with a filling layer (12), and the outer side of the filling layer (12) is arranged in the inner side of the outer tube (8).

6. A lightweight hollow pole-like part according to claim 5, characterized in that: The outer side of the filling layer (12) is fixedly connected with a reinforcing layer (13), and the outer side of the reinforcing layer (13) is arranged in the inner side of the outer tube (8).

7. The lightweight hollow pole-like part according to claim 1, characterized in that: The outer side of the arc-shaped block (4) is slidably connected in the inner side of the sliding groove (3), and the outer side of the arc-shaped block (4) is slidably connected in the inner side of the installation groove (7).

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