CN214192061U

CN214192061U - Continuous seamless replaceable elastic layer pipe

Info

Publication number: CN214192061U
Application number: CN202022854323.0U
Authority: CN
Inventors: 钱晓人
Original assignee: Suzhou Tianyu Plastic Co ltd
Current assignee: Suzhou Tianyu Plastic Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-09-14
Anticipated expiration: 2030-12-01

Abstract

The application relates to the field of rolling up the core pipe, especially relate to a continuous seamless removable formula elastic layer pipe, it includes the inner tube, the cover is equipped with the flexible cover on the inner tube outer wall, the flexible cover includes outer flexible layer and is used for bonding the interior adhesive linkage of inner tube. This application has and to change the flexible cover, and reuse inner tube is in order to reach resources are saved's effect.

Description

Continuous seamless replaceable elastic layer pipe

Technical Field

The application relates to the field of winding core pipes, in particular to a continuous seamless elastic winding core pipe.

Background

At present, a roll core tube is a component for rolling various solar films, tapes or paper and other strip-shaped products, so as to play a role in conveniently storing and transporting the products.

For various film materials to be wound, the flatness of winding needs to be ensured due to the characteristics of partial film materials. In order to guarantee the planarization of coiling among the correlation technique, often adopt and paste a round foam cotton on the lateral wall of winding core pipe circumference for the foam cotton plays the function of elastic rolling when coiling, with the planarization of guaranteeing to coil.

Aiming at the related technologies, the inventor finds that the foam surface can not be completely removed after being bonded on the winding core pipe through glue, so that the foam cotton can not be replaced after the foam cotton loses elasticity after long-time use, the whole winding core pipe can only be scrapped, and waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to roll up core pipe recycle to reach resources are saved's effect, this application provides a continuous seamless removable formula elastic layer pipe.

The application provides a continuous seamless removable formula elastic layer pipe adopts following technical scheme:

the continuous seamless replaceable elastic layer pipe comprises an inner pipe, wherein a flexible sleeve is sleeved on the outer wall of the inner pipe and comprises an outer flexible layer and an inner bonding layer used for bonding the inner pipe.

Through adopting above-mentioned technical scheme, after the long-time use of flexible cover is ageing, interior adhesive linkage oxidation stickness loses to in whole taking out the flexible cover, then the flexible cover of renewal can, thereby reach the effect of retrieving inner tube resources are saved.

Optionally, the inner pipe is provided with an expansion joint along the axis direction thereof, a filling block is inserted in the expansion joint, and the outer wall of the filling block has the same diameter as that of the outer wall of the inner pipe.

Through adopting above-mentioned technical scheme, when changing the flexible cover, can take out the piece of filling from the expansion joint for the inner tube radially contracts, thereby be convenient for establish the flexible cover on the inner tube, establish the back on the inner tube as the flexible cover, insert the piece of filling, make the outer wall of inner tube and the outer wall of the piece of filling constitute a circle of accomplishing jointly, in order to guarantee the planarization of flexible cover surface.

Optionally, the two opposite side walls in the length direction of the filling block are provided with insertion blocks, and the side wall of the expansion joint is provided with insertion grooves for the insertion of the insertion blocks.

By adopting the technical scheme, the insertion block is matched with the insertion groove to support and fix the filling block, so that the stability of the inner pipe and the filling block is ensured, and the normality of the winding function is ensured.

Optionally, the insertion block is arranged along the length direction of the filling block, and the cross section of the insertion block is of an inverted "T".

By adopting the technical scheme, the insertion block is arranged along the length direction of the filling block so as to be convenient for the insertion block to be inserted into the insertion groove; meanwhile, the cross section of the insertion block is in an inverted T shape, so that after the insertion block is inserted into the insertion groove, the insertion block is limited in radial and axial directions, and the stability of the filling block inserted into the expansion joint is guaranteed.

Optionally, both ends of the inner tube in the axial direction are provided with locking assemblies, and each locking assembly comprises an axial locking portion and a radial supporting portion.

By adopting the technical scheme, the axial locking part plays a role in limiting and fixing the axial direction of the flexible sleeve, so that the reduction of winding quality caused by the radial movement of the flexible sleeve along the self is reduced; the radial support part plays a role in supporting the inner diameter in the radial direction.

Optionally, the radial support portion includes a first support tube, the first support tube is inserted into the inner tube, and a rubber sleeve is sleeved on the first support tube.

Through adopting above-mentioned technical scheme, make interference between first supporting tube and the inner tube fixed through the rubber sleeve to make first supporting tube play radial support effect to the inner tube, reduce the intraductal book of inner tube, thereby guarantee the coiling quality.

Optionally, a second supporting tube is arranged in the first supporting tube, and a reinforcing plate is arranged between the first supporting tube and the second supporting tube.

Through adopting above-mentioned technical scheme, second stay tube and reinforcing plate play the reinforcing action to first stay tube to guarantee the support intensity of first stay tube.

Optionally, the axial locking portion includes a snap ring fixed to the first support tube, and an engagement groove for the inner tube and the flexible sleeve to be inserted into is formed in the snap ring.

Through adopting above-mentioned technical scheme for when the snap ring inserted the inner tube along first supporting tube, inner tube and flexible sleeve embedding gomphosis groove, thereby play the spacing function of circumference to the flexible sleeve.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the flexible sleeve is integrally sleeved on the inner pipe, and the flexible sleeve can be integrally replaced after the flexible sleeve is aged, so that the inner pipe is recycled, and the effect of saving resources is achieved;

2. the arrangement of the filling block facilitates the effect of replacing the flexible sleeve.

Drawings

Fig. 1 is a schematic view of the overall structure of a continuous seamless replaceable elastic layer tube according to an embodiment of the present application.

Fig. 2 is a schematic view of a portion of a locking assembly of a continuous seamless replaceable elastic layer tube according to an embodiment of the present disclosure.

Fig. 3 is a cross-sectional view of a continuous seamless replaceable elastomeric layer tube according to an embodiment of the present application.

Description of reference numerals: 1. an inner tube; 2. a flexible sleeve; 21. an outer flexible layer; 22. an inner adhesive layer; 3. a locking assembly; 31. a first support tube; 32. a rubber sleeve; 33. a reinforcing plate; 34. a second support tube; 35. a snap ring; 36. a fitting groove; 4. an expansion joint; 5. filling and supplementing blocks; 6. an insertion block; 7. and (4) inserting grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a continuous seamless replaceable elastic layer pipe. Referring to fig. 1 and 2, the elastic layer tube comprises an inner tube 1, and a flexible sleeve 2 which is as long as the inner tube 1 is sleeved outside the inner tube 1. The flexible sleeve 2 comprises an outer flexible layer 21 and an inner bonding layer 22, the inner tube 1 and the flexible sleeve 2 are fixedly bonded through the inner bonding layer 22, after the flexible sleeve 2 is used for a long time and is aged, the oxidation viscosity of the inner bonding layer 22 is lost, so that the flexible sleeve 2 is integrally taken out, and then the flexible sleeve 2 is replaced, so that the effect of recycling the inner tube 1 for saving resources is achieved. And both ends of the inner pipe 1 in the axial direction are provided with locking assemblies 3 for fixing the flexible sleeve 2.

Referring to fig. 2 and 3, an expansion joint 4 is provided on the sidewall of the inner pipe 1 along the axial direction thereof, and the expansion joint 4 is provided to penetrate through the inner pipe 1. The expansion joint 4 is internally spliced with a filling block 5 for supporting the inner pipe 1, the thickness of the filling block 5 is the same as that of the inner pipe 1, the diameter of the outer wall of the filling block 5 is the same as that of the inner pipe 1, and the radian of the outer wall of the filling block 5 is the same as that of the expansion joint 4, so that the filling block 5 is inserted into the expansion joint 4, and the outer wall of the inner pipe 1 and the outer wall of the filling block 5 jointly form a finished circle to ensure the smoothness of the outer surface of the flexible sleeve 2.

Referring to fig. 2 and 3, the two sidewalls of the filling block 5 in the length direction are both provided with an insertion block 6, and the insertion block 6 is arranged along the length direction of the filling block 5 and is equal to the filling block 5 in length. The cross section of the insertion block 6 is in an inverted T shape, an insertion groove 7 for the insertion block 6 to be inserted is arranged on the side wall of the expansion joint 4, and the cross section outline of the insertion groove 7 is the same as that of the insertion block 6. Thereby make in the inserted connection piece 6 inserts inserting groove 7 back, inserted connection piece 6 receives radial and axial limiting displacement to guarantee to fill up the stability of piece 5 grafting in expansion joint 4.

Referring to fig. 2 and 3, the locking assembly 3 includes an axial locking portion and a radial support portion. The radial support portion includes first supporting tube 31, and the cover is equipped with rubber sleeve 32 on the first supporting tube 31 outer wall, then inserts first supporting tube 31 on the inner tube 1 inner wall, makes interference between first supporting tube 31 and the inner tube 1 fixed through rubber sleeve 32. Therefore, the first supporting tube 31 can radially support the inner tube 1, the inward folding of the inner tube 1 is reduced, and the winding quality is ensured. Still be provided with second stay tube 34 on the first stay tube 31 inner wall, be provided with a plurality of reinforcing plates 33 between second stay tube 34 and the first stay tube 31, reinforcing plates 33 set up along first stay tube 31 circumference equidistant, and first stay tube 31, reinforcing plates 33 and the integrative injection moulding of second stay tube 34 form to guarantee first stay tube 31's support strength.

Referring to fig. 2 and 3, the axial locking portion includes a snap ring 35 fixed to one end of the first support pipe 31 in a length direction, an outer wall diameter of the snap ring 35 is larger than an outer wall diameter of the flexible sheath 2, and the snap ring 35 is provided with a fitting groove 36 into which the inner pipe 1 and the flexible sheath 2 are fitted.

The implementation principle of the continuous seamless replaceable elastic layer pipe in the embodiment of the application is as follows: the filling block 5 is taken out from the expansion joint 4, so that the inner pipe 1 is radially contracted, the flexible sleeve 2 is conveniently sleeved on the inner pipe 1, and after the flexible sleeve 2 is sleeved on the inner pipe 1, the filling block 5 is inserted, so that the outer wall of the inner pipe 1 and the outer wall of the filling block 5 jointly form a finished circle, and the smoothness of the outer surface of the flexible sleeve 2 is ensured. Then, the locking component 3 is inserted into the two ends of the inner tube 1, and the flexible sleeve 2 and the support frame are limited and fixed. After the flexible sleeve 2 is aged, the filling block 5 is taken out of the inner tube 1, the inner tube 1 is contracted, and then the flexible sleeve 2 is taken down, so that the inner tube 1 can be recovered.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A continuous seamless replaceable elastic layer pipe is characterized in that: the flexible pipe comprises an inner pipe (1), wherein a flexible sleeve (2) is sleeved on the outer wall of the inner pipe (1), and the flexible sleeve (2) comprises an outer flexible layer (21) and an inner bonding layer (22) for bonding the inner pipe (1); the inner pipe (1) is provided with an expansion joint (4) along the axis direction, a filling block (5) is inserted in the expansion joint (4), and the outer wall of the filling block (5) is the same as the outer wall of the inner pipe (1) in diameter.

2. The continuous seamless replaceable elastic layer tube of claim 1, wherein: the filling block (5) is characterized in that two opposite side walls in the length direction are provided with insertion blocks (6), and the side wall of the expansion joint (4) is provided with insertion grooves (7) for the insertion blocks (6) to be inserted.

3. The continuous seamless replaceable elastic layer tube of claim 2, wherein: the insertion block (6) is arranged along the length direction of the filling block (5), and the cross section of the insertion block (6) is in an inverted T shape.

4. The continuous seamless replaceable elastic layer tube of claim 1, wherein: the inner tube (1) axis direction's both ends all are provided with locking Assembly (3), locking Assembly (3) include axial locking portion and radial support portion.

5. The continuous seamless replaceable elastic layer tube of claim 4, wherein: the radial support part comprises a first support pipe (31), the first support pipe (31) is inserted into the inner pipe (1), and a rubber sleeve (32) is sleeved on the first support pipe (31).

6. The continuous seamless replaceable elastic layer tube of claim 5, wherein: a second supporting pipe (34) is arranged in the first supporting pipe (31), and a reinforcing plate (33) is arranged between the first supporting pipe (31) and the second supporting pipe (34).

7. The continuous seamless replaceable elastic layer tube of claim 6, wherein: the axial locking part comprises a clamping ring (35) fixed on the first supporting pipe (31), and an embedding groove (36) for embedding the inner pipe (1) and the flexible sleeve (2) is formed in the clamping ring (35).