CN209895855U

CN209895855U - Flame-retardant double-wall heat-shrinkable tube

Info

Publication number: CN209895855U
Application number: CN201920791771.5U
Authority: CN
Inventors: 沈骏健
Original assignee: Suzhou Senyi Cold And Heat Synthetic Materials Co Ltd
Current assignee: Suzhou Senyi Cold And Heat Synthetic Materials Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-03
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a fire-retardant double-walled pyrocondensation pipe, including interior sleeve pipe, outer tube, fixture block, draw-in groove, fire-retardant layer, fixed plate, fixed axle, slide bar, clamp plate, connecting axle and sleeve spindle. The flame-retardant double-wall heat-shrinkable tube is simple in structure and convenient to operate, the flame-retardant layer arranged between the heat-shrinkable tubes is favorable for improving the fireproof performance of the heat-shrinkable tubes, the clamping grooves of the clamping blocks are designed to be favorable for connection between the heat-shrinkable tubes, the fixing is favorable, and the problem of falling off is avoided; this fire-retardant double-walled pyrocondensation pipe passes through the sheathed tube and rotates the convenience connecting axle and the fixed plate between fixed, fixes after conveniently connecting, has improved the convenience of operation, has avoided long-time use to lead to the problem that the pyrocondensation pipe drops, has improved life.

Description

Flame-retardant double-wall heat-shrinkable tube

Technical Field

The utility model relates to a pyrocondensation pipe specifically is a fire-retardant double-walled pyrocondensation pipe belongs to pyrocondensation pipe application technical field.

Background

The heat-shrinkable sleeve is a special polyolefin heat-shrinkable sleeve, has excellent flame retardance and insulating property, is very soft and elastic, has low shrinking temperature and quick shrinking, and can be widely applied to connection of electric wires, treatment of the end parts of the electric wires, protection of welding spots, wire harness identification, insulation protection of resistance and capacitance, corrosion protection of metal bars or pipes, protection of antennas and the like.

The heat shrinkable tube in the existing market is glass state at room temperature through used materials, and the cable is protected by the principle that the heat shrinkable tube becomes high elastic state after being heated, but for the flame-retardant double-wall heat shrinkable tube, the heat shrinkable tube is not beneficial to flame retardance of the heat shrinkable tube when being used, so that fire easily occurs, potential safety hazards are caused, and when the cable is protected, the heat shrinkable tube is not beneficial to being connected with the end part of the cable, the inconvenience in operation is caused, and the operation difficulty is increased. Therefore, a flame retardant double-wall heat shrinkable tube has been proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire-retardant double-walled pyrocondensation pipe in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a flame-retardant double-wall heat-shrinkable tube comprises an inner sleeve positioned inside an outer sleeve, a flame-retardant mechanism and a fixing mechanism;

the flame-retardant mechanism comprises an inner sleeve, an outer sleeve, clamping blocks and a flame-retardant layer, wherein the clamping blocks are uniformly distributed in the outer sleeve, a plurality of clamping grooves are formed in the outer wall of the inner sleeve, the flame-retardant layer is attached to the outer surface of the inner sleeve, the end part of the inner sleeve is communicated with a connecting shaft, and the connecting shaft is sleeved with the inner part of a sleeve shaft;

the fixing mechanism comprises an outer sleeve, a fixing plate, a fixing shaft, a sliding rod and a pressing plate, the side end of the outer sleeve is fixedly connected with the fixing plate, the side wall of the fixing plate is fixedly connected with the fixing shaft, the side wall of the fixing shaft is in penetrating connection with the sliding rod, and the end part of the sliding rod is fixedly connected with the pressing plate.

Preferably, the inner part of the outer sleeve is sleeved with the inner sleeve, the inner sleeve is sleeved with the end part of the cable, and the clamping block in the outer sleeve is mutually clamped with the clamping groove in the outer wall of the inner sleeve.

Preferably, the connecting shaft penetrates through the middle of the fixing plate and is in sliding connection with the middle of the fixing plate, the outer surface of the connecting shaft is in sliding connection with the sleeve shaft, the section of the sleeve shaft is of a U-shaped structure, and the side end of the sleeve shaft is of an inclined structure.

Preferably, the number of slide bars is two, two the slide bar all with fixed axle lateral wall sliding connection, the slide bar tip is the slope structure, just the slide bar tip contact has the inclined plane of sleeve side end.

Preferably, the number of the pressing plates is two, the two pressing plates are of arc-shaped structures, and the two pressing plates are in contact with the outer wall of the connecting shaft.

Preferably, the fixed shaft is of a circular ring-shaped structure, the fixed plate at the side end of the fixed shaft is in contact with the end part of the inner sleeve, and the fixed shaft is in threaded connection with the inner part of the sleeve.

The utility model has the advantages that:

1. the flame-retardant double-wall heat-shrinkable tube is simple in structure and convenient to operate, the flame-retardant layer arranged between the heat-shrinkable tubes is favorable for improving the fireproof performance of the heat-shrinkable tubes, the clamping grooves of the clamping blocks are designed to be favorable for connection between the heat-shrinkable tubes, the fixing is favorable, and the problem of falling off is avoided;

2. this fire-retardant double-walled pyrocondensation pipe passes through the sheathed tube and rotates the convenience connecting axle and the fixed plate between fixed, fixes after conveniently connecting, has improved the convenience of operation, has avoided long-time use to lead to the problem that the pyrocondensation pipe drops, has improved life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the flame-retardant cable comprises an inner sleeve, 2, an outer sleeve, 3, a clamping block, 4, a clamping groove, 5, a flame-retardant layer, 6, a fixing plate, 7, a fixing shaft, 8, a sliding rod, 9, a pressing plate, 10, a connecting shaft, 11 and a sleeve shaft.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a flame retardant double-wall heat shrinkable tube includes an inner tube 1 disposed inside an outer tube 2, a flame retardant mechanism and a fixing mechanism;

the flame-retardant mechanism comprises an inner sleeve 1, an outer sleeve 2, fixture blocks 3 and a flame-retardant layer 5, wherein a plurality of fixture blocks 3 are uniformly distributed in the outer sleeve 2, a plurality of clamping grooves 4 are formed in the outer wall of the inner sleeve 1 and used for fixing the outer sleeve 2, the flame-retardant layer 5 is attached to the outer surface of the inner sleeve 1, the end part of the inner sleeve 1 is communicated with a connecting shaft 10, and the connecting shaft 10 is sleeved with the inner part of a sleeve shaft 11 and used for connecting the sleeve shaft 11;

the fixing mechanism comprises an outer sleeve 2, a fixing plate 6, a fixing shaft 7, a sliding rod 8 and a pressing plate 9, the side end of the outer sleeve 2 is fixedly connected with the fixing plate 6, the side wall of the fixing plate 6 is fixedly connected with the fixing shaft 7, the side wall of the fixing shaft 7 is in through connection with the sliding rod 8, and the end part of the sliding rod 8 is fixedly connected with the pressing plate 9 and used for fixing a connecting shaft 10.

The inner part of the outer sleeve 2 is sleeved with the inner sleeve 1, the inner sleeve 1 is sleeved with the end part of a cable, and the fixture block 3 in the outer sleeve 2 is clamped with the clamping groove 4 in the outer wall of the inner sleeve 1, so that the outer sleeve 2 can move conveniently, and the outer sleeve 2 can be fixed conveniently; the connecting shaft 10 is penetrated through and slidably connected with the middle part of the fixing plate 6, the outer surface of the connecting shaft 10 is slidably connected with the sleeve shaft 11, the section of the sleeve shaft 11 is in a U-shaped structure, and the side end of the sleeve shaft 11 is in an inclined structure, so that the connecting shaft 10 can move conveniently, and the sliding rod 8 can be pushed to move conveniently; the number of the slide bars 8 is two, the two slide bars 8 are connected with the side wall of the fixed shaft 7 in a sliding manner, the end parts of the slide bars 8 are of an inclined structure, and the end parts of the slide bars 8 are in contact with an inclined surface at the side end of the sleeve shaft 11, so that the slide bars 8 can move conveniently, and the pressing plate 9 can be driven to move conveniently; the number of the pressing plates 9 is two, the two pressing plates 9 are both in an arc-shaped structure, and the two pressing plates 9 are both in contact with the outer wall of the connecting shaft 10, so that the pressing plates 9 can move conveniently, and the connecting shaft 10 can be pressed conveniently; the fixed shaft 7 is of a circular ring-shaped structure, the fixed plate 6 at the side end of the fixed shaft 7 is in contact with the end part of the inner sleeve 1, the fixed shaft 7 is in threaded connection with the inner part of the sleeve, the sleeve shaft 11 is convenient to connect, and the sliding rod 8 is convenient to drive to move.

The utility model discloses when using, cup joint interior sleeve pipe 1 on the cable, cup joint outer tube 2 on interior sleeve pipe 1, heat interior sleeve pipe 1 and outer tube 2 through the air heater, make interior sleeve pipe 1 and outer tube 2 heat after contracting, the fixture block 3 on outer tube 2 moves to the draw-in groove 4 on interior sleeve pipe 1 inside, and then carry out spacing to outer tube 2, avoid long-time use to lead to the droing of outer tube 2, design through fire-retardant layer 5 is favorable to improving fire behavior, avoid producing the potential safety hazard;

through cup jointing sleeve shaft 11 on connecting axle 10, through rotating sleeve shaft 11, make sleeve shaft 11 rotate on fixed axle 7, the removal of sleeve shaft 11 makes the inclined plane of its side support the inclined plane of slide bar 8 tip, and then drives slide bar 8 at the vertical removal of fixed axle 7 curb plate, the removal of fixed axle 7 drives pressure plate 9 vertical movement, make pressure plate 9 compress tightly on connecting axle 10, and then fix connecting axle 10, conveniently install, avoid taking place the problem that drops between interior sleeve pipe 1 and the outer tube 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A flame-retardant double-wall heat-shrinkable tube is characterized in that: comprises an inner sleeve (1) positioned in an outer sleeve (2), a flame-retardant mechanism and a fixing mechanism;

the flame-retardant mechanism comprises an inner sleeve (1), an outer sleeve (2), clamping blocks (3) and a flame-retardant layer (5), wherein a plurality of clamping blocks (3) are uniformly distributed in the outer sleeve (2), a plurality of clamping grooves (4) are formed in the outer wall of the inner sleeve (1), the flame-retardant layer (5) is attached to the outer surface of the inner sleeve (1), the end part of the inner sleeve (1) is communicated with a connecting shaft (10), and the connecting shaft (10) is sleeved with the inner part of a sleeve shaft (11);

the fixing mechanism comprises an outer sleeve (2), a fixing plate (6), a fixing shaft (7), a sliding rod (8) and a pressing plate (9), wherein the side end of the outer sleeve (2) is fixedly connected with the fixing plate (6), the side wall of the fixing plate (6) is fixedly connected with the fixing shaft (7), the side wall of the fixing shaft (7) is in through connection with the sliding rod (8), and the end part of the sliding rod (8) is fixedly connected with the pressing plate (9).

2. A flame retardant double wall heat shrinkable tube according to claim 1, wherein: the cable is characterized in that the outer sleeve (2) is sleeved with the inner sleeve (1), the inner sleeve (1) is sleeved with the end part of the cable, and the clamping block (3) inside the outer sleeve (2) is mutually clamped with the clamping groove (4) on the outer wall of the inner sleeve (1).

3. A flame retardant double wall heat shrinkable tube according to claim 1, wherein: the connecting shaft (10) and the middle part of the fixing plate (6) are penetrated and connected in a sliding mode, the outer surface of the connecting shaft (10) is connected with the sleeve shaft (11) in a sliding mode, the section of the sleeve shaft (11) is of a U-shaped structure, and the side end of the sleeve shaft (11) is of an inclined structure.

4. A flame retardant double wall heat shrinkable tube according to claim 1, wherein: the quantity of slide bar (8) is two, two slide bar (8) all with fixed axle (7) lateral wall sliding connection, slide bar (8) tip is the slope structure, just slide bar (8) tip contact has the inclined plane of sleeve axle (11) side.

5. A flame retardant double wall heat shrinkable tube according to claim 1, wherein: the number of the pressing plates (9) is two, the pressing plates (9) are of arc-shaped structures, and the pressing plates (9) are in contact with the outer wall of the connecting shaft (10).

6. A flame retardant double wall heat shrinkable tube according to claim 1, wherein: the fixing shaft (7) is of a circular ring-shaped structure, a fixing plate (6) at the side end of the fixing shaft (7) is in contact with the end part of the inner sleeve (1), and the fixing shaft (7) is in threaded connection with the inner part of the sleeve.