CN217803672U

CN217803672U - High-stability anti-bending glass fiber sleeve

Info

Publication number: CN217803672U
Application number: CN202220841385.4U
Authority: CN
Inventors: 金家骏; 朱小勇; 邵勤
Original assignee: Suzhou Volsun Electronics Technology Co ltd
Current assignee: Suzhou Volsun Electronics Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-11-15
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a fine sleeve pipe of high stability anti glass of buckling, including the glass fiber layer, the inboard on glass fiber layer is provided with the insulating layer, the inner face of insulating layer is formed with a plurality of and is curved elasticity portion, the free end of elasticity portion extrudees jointly has the pipeline, be formed with thermal-insulated clearance between elasticity portion and the pipeline, the outside on glass fiber layer is provided with the crushing layer, the outside on crushing layer is provided with the silica gel layer, silica gel in situ mixes there is a plurality of strands of glass fiber silk, the outside cover on silica gel layer is equipped with the sponge cover, through setting up the insulating layer, and the insulating layer passes through the elasticity portion and is connected with the pipeline formation, make to form thermal-insulated clearance between insulating layer and the pipeline, the insulating layer thermal conductivity of making by thermal-insulated cotton is little, reduce heat transfer, can prevent that the staff from taking place the accident because of contact high temperature pipeline, a plurality of crushing layer and drawing each other between rectangular, further strengthen this sheathed tube anti buckling strength, the buffer can reduce external force simultaneously, avoid the inner tube to produce the damage.

Description

High-stability anti-bending glass fiber sleeve

Technical Field

The utility model relates to the technical field of tubular product, specifically be a fine sleeve pipe of anti glass of buckling of high stability.

Background

The glass fiber sleeve, also known as a fireproof sleeve or a high-temperature-resistant sleeve, is formed by weaving high-purity alkali-free glass fibers into a tube, coating organic silica gel on the outer wall of the tube and performing vulcanization treatment, can be used for a long time within the temperature range of-65-260 ℃ after vulcanization and keeps the soft and elastic performance of the tube, and can be used in the fields of industrial electronic wiring, coil wrapping, electromechanical matching, terminal connection, pipeline corrosion prevention, computer periphery, electric appliances and instruments, electric power communication, navigation and aerospace, photoelectric communication, automobiles, military industry, metallurgy, petrifaction, electric power and the like.

When the glass fiber sleeve is used, the softness is increased by means of the glass fiber tube and the coated vulcanized silica gel, so that the bending strength is improved; but the glass fiber sleeve has insufficient bending strength and is easy to break when being bent; meanwhile, the heat insulation performance is insufficient, and if a high-temperature medium is in the pipeline, workers are easily scalded after touching the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-stability anti-bending glass fiber sleeve to solve the problem that the prior glass fiber sleeve proposed in the background art is insufficient in anti-bending strength because the strength is increased only by a glass fiber tube and coated vulcanized silica gel; meanwhile, the heat insulation performance is poor, and the safe use can not be ensured.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fine sleeve pipe of high stability anti glass of buckling, includes the glass fiber layer, the inboard on glass fiber layer is provided with the insulating layer, the inner face of insulating layer is formed with a plurality of and is curved elasticity portion, and elasticity portion ring shape equidistance arranges, the common extrusion of free end of elasticity portion has the pipeline, be formed with thermal-insulated clearance between elasticity portion and the pipeline, the outside on glass fiber layer is provided with the crushing layer, the outside on crushing layer is provided with the silica gel layer, the silica gel in situ mixes there are a plurality of strands of glass fiber silk, and a plurality of strands of glass fiber silk ring shape equidistance arranges, the outside cover on silica gel layer is equipped with the sponge cover.

As a further preferred mode of the technical solution, the heat insulation layer is made of high temperature resistant heat insulation cotton, and cotton fibers of the high temperature resistant heat insulation cotton are irregular.

As a further preferable mode of the present invention, the number of the elastic portions is three, and each of the elastic portions includes a radial portion and a bent portion that is offset from the radial direction.

In a further preferred embodiment of the present invention, the glass fiber layer is formed by weaving a plurality of glass fibers.

As further preferred of this technical scheme, the resistance to compression layer includes a plurality of rings body along the linear equidistance distribution of axial, is connected with the rectangular of following the annular equidistance distribution of axial between all rings bodies jointly, be formed with a plurality of buffers between ring body and the rectangular.

As a further preferred option of the technical scheme, the outer wall of the silica gel layer is bonded with a plurality of bending-resistant folding strips, the bending-resistant folding strips are distributed on the silica gel layer in an annular array, and the bending-resistant folding strips are made of rubber.

As a further preferred feature of the present invention, each of the strands of glass fiber filaments is formed by twisting a plurality of interwoven glass fiber filaments.

As a further preferable aspect of the present invention, the glass fiber yarns are arranged in a radial direction, and the glass fiber yarns in the radial direction are distributed in a staggered manner.

The utility model provides a fine sleeve pipe of high stability anti glass of buckling possesses following beneficial effect:

(1) The utility model discloses an inboard at the glass fiber layer sets up the insulating layer to the insulating layer passes through the elasticity portion and is connected with the pipeline formation, makes to form thermal-insulated clearance between insulating layer and the pipeline, and the insulating layer thermal conductivity who is made by thermal-insulated cotton is little, and thermal-insulated clearance can further reduce heat transfer, can prevent that the staff from meeting accident because of contacting the high temperature pipeline.

(2) The utility model discloses a set up the resistance to compression layer in the outside on glass fiber layer, this resistance to compression layer comprises a plurality of rings bodies and rectangular to form the buffer with this, pull each other between a plurality of rings bodies and the rectangular, further strengthen this sheathed tube anti buckling strength, the buffer can reduce the external force simultaneously, avoids the inside pipeline to produce the damage.

Drawings

FIG. 1 is a schematic view of the structure of the pipe of the present invention when it is not sleeved;

FIG. 2 is a schematic view of the sleeved pipe structure of the present invention;

FIG. 3 is a schematic view of the structure of the anti-compression layer of the present invention;

FIG. 4 is a schematic cross-sectional structure view of a single-stranded glass fiber yarn of the present invention;

in the figure: 1. a glass fiber layer; 2. a thermal insulation layer; 21. an elastic portion; 3. a pipeline; 4. a thermally insulating gap; 5. a pressure resistant layer; 6. a silica gel layer; 7. glass fiber yarns; 8. a sponge sleeve; 9. a ring body; 10. a strip; 11. a buffer area; 12. bending-resistant folding strips.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a technical scheme: in the present embodiment, as shown in fig. 1 and 2, the glass fiber sleeve with high stability and bending resistance comprises a glass fiber layer woven by a plurality of glass fibers, and the glass fibers have good insulation property, strong heat resistance, good corrosion resistance and high mechanical strength;

in this embodiment, as shown in fig. 1 and 2, a heat insulation layer 2 is disposed on the inner side of the glass fiber layer 1, the heat insulation layer 2 is made of high temperature resistant heat insulation cotton, cotton fibers of the high temperature resistant heat insulation cotton are irregular, and the heat insulation cotton has the characteristics of high temperature resistance, low possibility of combustion, low heat conductivity coefficient and the like, so that the high temperature resistance and the flame retardancy of the sleeve can be improved, and the heat conductivity coefficient can be reduced; a plurality of arc-shaped elastic parts 21 are simultaneously formed on the inner surface of the heat insulation layer 2, the elastic parts 21 are annularly arranged at equal intervals, in the embodiment, three elastic parts 21 are arranged, and each elastic part 21 is provided with a radial part and a bending part deviating from the radial direction; when the pipe sleeve is used, the pipeline 3 is extruded between the free ends of the elastic parts 21, the three elastic parts 21 can ensure that the pipeline 3 is clamped, the number of the elastic parts 21 can be reduced, and the use of materials is reduced; meanwhile, the elastic part 21 is utilized to form a heat insulation gap 4 between the heat insulation layer 2 and the pipeline 3, the heat insulation gap 4 is further arranged to reduce the outward transfer of heat, and accidents caused by the fact that workers contact the high-temperature pipeline 3 can be prevented.

In this embodiment, as shown in fig. 2 and fig. 3, a pressure-resistant layer 5 is arranged on the outer side of the glass fiber layer 1, the pressure-resistant layer 5 includes a plurality of rings 9 distributed along the axial direction in a linear and equidistant manner, all the rings 9 are connected with a strip 10 distributed along the axial direction in an annular and equidistant manner, a plurality of buffer areas 11 are formed between the rings 9 and the strip 10, when the pressure-resistant layer is used, the rings 9 and the strip 10 which are drawn together can ensure that the sleeve has stronger bending strength, after the buffer areas 11 are subjected to external stress, the transmission of the stress can be slowed down, and the damage to the pipeline 3 is reduced.

In this embodiment, as shown in fig. 1 and fig. 2, a silica gel layer 6 is disposed on the outer side of a compression resistant layer 5, a plurality of glass fiber yarns 7 are mixed in the silica gel layer 6, and the plurality of glass fiber yarns 7 are annularly and equidistantly arranged, each glass fiber yarn 7 is formed by twisting a plurality of interwoven glass fiber yarns 7, and meanwhile, the glass fiber yarns 7 are radially disposed, and the glass fiber yarns 7 radially arranged are in staggered distribution, so that sufficient glass fiber yarns 7 are ensured to radially have, and the bending strength can be improved;

a plurality of bending-resistant folding strips 12 are bonded on the outer wall of the silica gel layer 6, the bending-resistant folding strips 12 are distributed on the silica gel layer 6 in an annular array manner, the bending-resistant folding strips 12 are made of rubber materials, the bending-resistant strength of the whole sleeve can also be improved in the same manner, and finally the sponge sleeve 8 is sleeved on the outer side of the silica gel layer 6, so that abrasion of the silica gel layer 6 is avoided;

the utility model provides a fine sleeve pipe of anti glass of buckling of high stability, concrete theory of operation as follows: the heat conductivity of the sleeve can be reduced and the outward transmission of heat can be reduced by the heat insulation layer 2 made of heat insulation cotton, the heat insulation gap 4 is formed between the heat insulation layer 2 and the pipeline 3 through the elastic part 21, the heat transmission can be further reduced by the heat insulation gap 4, and accidents caused by the fact that workers contact the high-temperature pipeline 3 can be prevented; the compression-resistant layer 5 composed of a plurality of rings 9 and a strip 10 pulls each other when bending occurs, the bending strength of the sleeve is further enhanced, and the buffer area 11 formed between the rings 9 and the strip 10 can reduce external force and avoid the damage of the internal pipeline 3 caused by external force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fine sleeve pipe of high stability anti glass of buckling, includes glass fiber layer (1), its characterized in that: the inboard on glass fiber layer (1) is provided with insulating layer (2), the inner face of insulating layer (2) is formed with that a plurality of is curved elastic part (21), and elastic part (21) annular equidistance arranges, the free end of elastic part (21) extrudees pipeline (3) jointly, be formed with thermal-insulated clearance (4) between elastic part (21) and pipeline (3), the outside on glass fiber layer (1) is provided with resist compression layer (5), the outside on resist compression layer (5) is provided with silica gel layer (6), silica gel layer (6) internal mixing has a plurality of strands of glass fiber silk (7), and a plurality of strands of glass fiber silk (7) annular equidistance arranges, the outside cover on silica gel layer (6) is equipped with sponge cover (8).

2. The high-stability buckling-resistant glass fiber sleeve as claimed in claim 1, wherein: the heat insulation layer (2) is made of high-temperature-resistant heat insulation cotton, and cotton fibers of the high-temperature-resistant heat insulation cotton are irregular.

3. The high-stability buckling-resistant glass fiber sleeve as claimed in claim 2, wherein: the number of the elastic parts (21) is three, and each elastic part (21) comprises a radial part and a bending part which deviates from the radial direction.

4. The high-stability buckling-resistant glass fiber sleeve as claimed in claim 1, wherein: the glass fiber layer (1) is formed by weaving a plurality of glass fibers.

5. The high stability and kink resistance fiberglass bushing of claim 1, wherein: resist compact heap (5) including a plurality of ring body (9) along the linear equidistance distribution of axial, be connected with between all ring bodies (9) jointly and follow rectangular (10) that the annular equidistance of axial distributes, be formed with a plurality of buffer (11) between ring body (9) and rectangular (10).

6. The high stability and kink resistance fiberglass bushing of claim 1, wherein: the outer wall of silica gel layer (6) bonds has a plurality of bending-resistant broken strip (12), and bending-resistant broken strip (12) ring array distributes on silica gel layer (6), bending-resistant broken strip (12) are the rubber material.

7. The high-stability buckling-resistant glass fiber sleeve as claimed in claim 1, wherein: each strand of glass fiber yarn (7) is formed by twisting a plurality of interwoven glass fiber yarns (7).

8. The high stability and kink resistance fiberglass bushing of claim 7, wherein: the glass fiber yarns (7) are arranged along the radial direction, and the radial glass fiber yarns (7) are distributed in a staggered mode.