Bending-resistant CPVC (chlorinated polyvinyl chloride) cable protection pipe

Abstract

The utility model relates to an anti-bending CPVC (chlorinated polyvinyl chloride) cable protection tube, which aims to solve the technical problem that the protection tube is easy to bend and damage due to the fact that the current overlarge impact exceeds the upper limit of material strength, and comprises a protection tube body and a support structure, the supporting structure comprises a supporting ring, a connecting plate, a connecting seat, a movable block, a bottom plate and a vertical plate; the support ring is clamped and matched with the protection tube body; the two connecting plates are symmetrically and fixedly arranged on the outer wall of the supporting ring; the two connecting seats are fixedly arranged at the bottom ends of the two connecting plates respectively; the two movable blocks are fixedly arranged at the bottom ends of the two connecting bases correspondingly. The two groups of vertical plates are symmetrically and fixedly arranged on the top side of the bottom plate; the movable block is arranged between the two vertical plates; an elastic sheet is arranged between the movable block and the bottom plate; the protective tube has the advantages that impact force from the upper portion is buffered and unloaded, impact borne by the protective tube body is relieved, and the protective tube body is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of cable protection tubes, in particular to a bending-resistant CPVC cable protection tube. Background Art

[0002] Cable protection tube refers to a protective tube with a certain strength that is laid on the outer layer of the cable to prevent the cable from being damaged.

[0003] Cable protection tubes are installed at locations where cables need protection. Existing cable protection tubes are basically a sleeve. When impacted, the protection tube relies on its own strength to resist the impact. Excessive impact that exceeds the upper limit of the material strength can easily cause the protection tube to bend and be damaged.

[0004] In view of this, we propose a bending-resistant CPVC cable protection tube. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art, meet practical needs, and provide a bending-resistant CPVC cable protection tube to solve the current technical problem that excessive impact exceeding the upper limit of material strength can easily cause the protection tube to bend and be damaged.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a bending-resistant CPVC cable protection tube, including a protection tube body and a supporting structure;

[0007] Protective tube body;

[0008] A plurality of supporting structures are sequentially arranged below the protection tube body;

[0009] The support structure includes a support ring, a connecting plate, a connecting seat, a movable block, a bottom plate and a vertical plate;

[0010] The support ring is snap-fitted with the protection tube body;

[0011] Two connecting plates are symmetrically fixed on the outer wall of the support ring;

[0012] Two connecting seats are respectively fixed on the bottom ends of the two connecting plates;

[0013] The two movable blocks are respectively fixed at the bottom ends of the two connecting seats;

[0014] Base plate;

[0015] Two groups of vertical plates are symmetrically fixed on the top side of the bottom plate;

[0016] Wherein, each group of said vertical plates is provided with two, and said movable block is provided between said two vertical plates;

[0017] Wherein, a spring sheet is arranged between the movable block and the bottom plate;

[0018] Wherein, sliding blocks are fixedly arranged on both sides of the movable block, and a sliding groove is provided on the inner side of the vertical plate, and the sliding blocks are slidably matched with the sliding groove.

[0019] Preferably, the inner wall of the protection tube body is provided with a plurality of clamping strips in a circular array;

[0020] Wherein, the clamping strip is in an arc-shaped structure, and the arched ends of a plurality of the clamping strips are opposite to each other.

[0021] Preferably, the arched end of the clamping strip is provided with an inwardly concave arc segment.

[0022] Preferably, the connecting seat is designed in a trapezoidal structure, and the inclined sections on both sides of the connecting seat are inclined outward; the connecting seat disperses the force when impacted.

[0023] Preferably, the spring piece is designed to have an arc-shaped structure, and the arched end of the spring piece corresponds to the bottom plate; when the arc-shaped spring piece is squeezed, the rebound force generated by bending offsets the impact force.

[0024] Preferably, the top of the slide groove is closed; the sliding block will not fall off from above the slide groove.

[0025] Preferably, limiting plates are fixedly provided on the tops of both sides of the movable block, and rubber pads are fixedly provided on the bottom sides of the limiting plates, and the rubber pads correspond to the tops of the vertical plates.

[0026] Compared with the prior art, the beneficial effects of the utility model are:

[0027] 1. The utility model has the advantages of buffering and unloading the impact force when the protective tube body is hit from above by arranging a support ring, a connecting plate, a connecting seat, a movable block, a bottom plate, a vertical plate and a spring sheet, so that the impact on the protective tube body is relieved and the protective tube body is protected, and the problem of the protective tube being easily bent and damaged due to excessive impact exceeding the upper limit of the material strength is solved.

[0028] 2. The utility model has the advantages of limiting and supporting the cables passing through the protective tube body by arranging the clamping strips and the arc segments, and the arc segments are clamped to enhance the stability, and the force generated by the impact on the protective tube body is unloaded through the hollow clamping strips, thereby protecting the cables.

[0029] 3. The utility model has the advantage of limiting the downward movement distance of the movable block after the movable block moves downward by arranging the limit plate and the rubber pad, and will not over-compress the spring piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the distribution structure of the clamping strips of the utility model;

[0032] Figure 3 This is a schematic diagram of the support structure of the utility model;

[0033] Figure 4 This is a schematic diagram of the connection structure of the movable block and the vertical plate of the utility model;

[0034] In the figure: 1. Protection tube body; 2. Clamping strip; 3. Support structure;

[0035] 201, arc segment;

[0036] 301, support ring; 302, connecting plate; 303, connecting seat; 304, movable block; 305, vertical plate; 306, spring piece; 307, bottom plate; 308, limit plate; 309, rubber pad;

[0037] 3041, slider;

[0038] 3051. Chute. DETAILED DESCRIPTION

[0039] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0040] Example 1: A bending-resistant CPVC cable protection tube, see Figure 1 , Figure 3 and Figure 4 ;

[0041] It includes a protection tube body 1 and a support structure 3; the protection tube body 1, CPVC is a new type of engineering plastic with broad application prospects, the resin is made by chlorination modification of polyvinyl chloride resin, and the CPVC cable protection tube is a new material cable protection tube; a plurality of support structures 3 are arranged in sequence below the protection tube body 1;

[0042] The support structure 3 includes a support ring 301, a connecting plate 302, a connecting seat 303, a movable block 304, a bottom plate 307 and a vertical plate 305; the support ring 301 is snap-fitted with the protective tube body 1; the two connecting plates 302 are symmetrically fixed on the outer wall of the support ring 301; the two connecting seats 303 are respectively fixed at the bottom ends of the two connecting plates 302, and the connecting seats 303 are designed in a trapezoidal structure. The inclined sections on both sides of the connecting seats 303 are inclined outward, and the connecting seats 303 disperse the force when impacted; the two movable blocks 304 are respectively fixed at the bottom ends of the two connecting seats 303; the two sets of vertical plates 305 are symmetrically fixed on the top side of the bottom plate 307; In the embodiment, each group of vertical plates 305 is provided with two, and the movable block 304 is arranged between the two vertical plates 305; wherein, a spring piece 306 is arranged between the movable block 304 and the bottom plate 307, and the spring piece 306 is designed with an arc-shaped structure, and the arched end of the spring piece 306 corresponds to the bottom plate 307. When the arc-shaped spring piece 306 is squeezed, the bending force generated by the bending is used to offset the impact force; wherein, sliders 3041 are fixed on both sides of the movable block 304, and a sliding groove 3051 is opened on the inner side of the vertical plate 305, and the slider 3041 is slidably matched with the sliding groove 3051, and the top of the sliding groove 3051 is closed, and the slider 3041 will not be separated from the top of the sliding groove 3051.

[0043] The utility model has the advantages of buffering and unloading the impact force when the protection tube body 1 is hit from above by providing a support ring 301, a connecting plate 302, a connecting seat 303, a movable block 304, a bottom plate 307, a vertical plate 305 and a spring piece 306, so that the impact force on the protection tube body 1 is relieved and the protection tube body 1 is protected, thereby solving the problem that the protection tube is easily bent and damaged due to excessive impact exceeding the upper limit of the material strength.

[0044] Example 2: A bending-resistant CPVC cable protection tube, see Figure 1 and Figure 2 ;

[0045] The inner wall of the protection tube body 1 is provided with a plurality of clamping strips 2 in an annular array, wherein the clamping strips 2 are in an arc-shaped structure, and the arched ends of the plurality of clamping strips 2 are opposite to each other. The arched ends of the clamping strips 2 are provided with an inwardly concave arc section 201.

[0046] The utility model has the advantages of limiting and supporting the cables passing through the protection tube body 1 by arranging the clamping strip 2 and the arc segment 201. The arc segment 201 fits and clamps to enhance stability. The force generated by the impact on the protection tube body 1 is unloaded through the hollow clamping strip 2, thereby protecting the cable.

[0047] Example 3: A bending-resistant CPVC cable protection tube, see Figure 4 ;

[0048] Limiting plates 308 are fixedly disposed on the tops of both sides of the movable block 304 , and rubber pads 309 are fixedly disposed on the bottom sides of the limiting plates 308 . The rubber pads 309 correspond to the tops of the vertical plates 305 .

[0049] The utility model has the advantage of limiting the downward movement distance of the movable block 304 after the movable block 304 moves downward by providing the limiting plate 308 and the rubber pad 309 , and will not over-compress the spring piece 306 .

[0050] Working principle: the bottom plate 307 is fixed on the plane to position the protective tube body 1, the clamping strip 2 limits and supports the cable passing through the protective tube body 1, and the arc segment 201 fits and clamps; when the protective tube body 1 is hit from above, the force generated by the impact on the protective tube body 1 is unloaded through the hollow clamping strip 2, and the support ring 301, the connecting plate 302, the connecting seat 303 and the movable block 304 move downward due to the impact force. When the movable block 304 moves downward, the slider 3041 moves downward along the slide groove 3051, and the arc-shaped spring piece 306 is squeezed and bent, and the rebound force generated by the bending is used to offset the impact until the rubber pad 309 contacts the top of the vertical plate 305 and stops. After unloading, under the action of the spring piece 306, the support ring 301, the connecting plate 302, the connecting seat 303 and the movable block 304 move up and reset.

[0051] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A bending-resistant CPVC cable protection tube, characterized in that: include: Protective tube body (1); A plurality of support structures (3) are arranged in sequence below the protection tube body (1); The support structure (3) comprises: A support ring (301) is snap-fitted with the protection tube body (1); Two connecting plates (302) are symmetrically fixed on the outer wall of the support ring (301); Two connecting seats (303) are respectively fixed on the bottom ends of the two connecting plates (302); Two movable blocks (304) are respectively fixed on the bottom ends of the two connecting seats (303); Bottom plate (307); Two groups of vertical plates (305) are symmetrically fixed on the top side of the bottom plate (307); Wherein, each group of the vertical plates (305) is provided with two, and the movable block (304) is provided between the two vertical plates (305); Wherein, a spring sheet (306) is arranged between the movable block (304) and the bottom plate (307); Wherein, sliding blocks (3041) are fixedly arranged on both sides of the movable block (304), a sliding groove (3051) is opened on the inner side of the vertical plate (305), and the sliding blocks (3041) are slidably matched with the sliding groove (3051).

2. The anti-bending CPVC cable protection tube according to claim 1, characterized in that: The inner wall of the protection tube body (1) is provided with a plurality of clamping strips (2) in a circular array; Wherein, the clamping strip (2) is in an arc-shaped structure, and the arched ends of a plurality of the clamping strips (2) are opposite to each other.

3. The anti-bending CPVC cable protection tube according to claim 2, characterized in that: The arched end of the clamping strip (2) is provided with an inwardly concave arc section (201).

4. The anti-bending CPVC cable protection tube according to claim 1, characterized in that: The connecting seat (303) is designed in a trapezoidal structure, and the inclined sections on both sides of the connecting seat (303) are inclined outwards.

5. The anti-bending CPVC cable protection tube according to claim 1, characterized in that: The spring piece (306) is designed to have an arc-shaped structure, and the arched end of the spring piece (306) corresponds to the bottom plate (307).

6. The anti-bending CPVC cable protection tube according to claim 1, characterized in that: The top end of the slide groove (3051) is closed.

7. The anti-bending CPVC cable protection tube according to claim 1, characterized in that: Limiting plates (308) are fixedly provided on the tops of both sides of the movable block (304), and rubber pads (309) are fixedly provided on the bottom sides of the limiting plates (308), and the rubber pads (309) correspond to the tops of the vertical plates (305).

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