CN213733759U

CN213733759U - Composite paper tube with hollow cylinder structure

Info

Publication number: CN213733759U
Application number: CN202022128546.9U
Authority: CN
Inventors: 寿新欢; 寿君生
Original assignee: Jiashan Shenghao Paper Products Co ltd
Current assignee: Jiashan Shenghao Paper Products Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-20
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a compound paper pipe of cavity drum structure relates to compound paper pipe technical field, including the inner tube, the outer tube has been cup jointed in the outside activity of inner tube, is provided with the articulamentum between inner tube and the outer tube, and the articulamentum cup joints with the inner tube and is connected, and the articulamentum includes a plurality of annular support boards, and the ring channel has been seted up to annular support board's lateral surface, and the spacing groove has been seted up to one side inner wall of ring channel, and the activity ring has been cup jointed in annular support board's outside activity, and the activity ring lies in the inner chamber of ring channel. The utility model discloses a be provided with the articulamentum between inner tube and outer tube, the articulamentum includes a plurality of annular support boards, is provided with the connecting rod between the adjacent annular support board, the both ends of connecting rod respectively with two adjacent annular support board fixed connection, annular support board can play the supporting role to inner tube and outer tube, has increased the compressive strength of this device, the setting of connecting rod can avoid this device to take place to buckle and even broken.

Description

Composite paper tube with hollow cylinder structure

Technical Field

The utility model relates to a compound paper tube technical field, in particular to compound paper tube of cavity drum structure.

Background

The paper tube is a tubular object processed by paper, most of the paper tubes are spiral paper tubes and seamless paper tubes and are mainly used for chemical fiber industrial tubes: DTY pipe, POY pipe, FDY pipe, polyamide fibre pipe, spandex cladding spool, film industry pipe, BOPP, PET, PVC, BOPA, CPP, agricultural plastic film, plastic wrap film, plastic bag are with pipe (for the supermarket), aluminizer, electrician's electric capacity membrane and third of the ten heavenly stems membrane etc. print industry and use the pipe: the method is mainly applied to barrel printing, film printing, paper printing, tubes for paper industry, newsprint, bobbin paper, white board paper, fax paper, bill paper, tipping paper, aluminum foil paper, writing paper, color parchment paper, cup paper, tetra Pak paper and the like.

At present, after the installation is cup jointed through interference fit with external inserted bar to current compound paper pipe, frictional force is too big between inserted bar and the paper pipe and leads to the paper pipe to be difficult to rotate, and if paper pipe cup joints through clearance fit activity with the inserted bar, then the paper pipe just can rotate at will to it is loose to lead to the winding thing in the paper outside to take place. Therefore, it is necessary to invent a composite paper tube with a hollow cylindrical structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound paper tube of cavity drum structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite paper tube with a hollow cylinder structure comprises an inner tube, an outer tube is movably sleeved on the outer side of the inner tube, a connecting layer is arranged between the inner tube and the outer tube and connected with the inner tube in a sleeved mode, the connecting layer comprises a plurality of annular supporting plates, a ring groove is formed in the outer side face of each annular supporting plate, a limiting groove is formed in the inner wall of one side of the ring groove, a movable ring is movably sleeved on the outer side of each annular supporting plate and located in the inner cavity of the ring groove, a limiting block is fixedly connected to one side face of each movable ring and located in the inner cavity of the limiting groove and matched with the limiting groove, a connecting rod is arranged between the adjacent annular supporting plates, two ends of each connecting rod are respectively and fixedly connected with the two adjacent annular supporting plates, a plurality of first jacks distributed in an annular array mode are formed in the inner side wall of the outer tube, a plurality of second jacks, the inner cavity of the first jack is connected with a reinforcing rod in an inserting mode, and one end of the reinforcing rod is connected with the second jack in an inserting mode.

Preferably, the limiting grooves are arranged in a plurality of numbers and distributed in an annular array.

Preferably, the limiting blocks are arranged in a plurality of annular arrays and distributed, and the number of the limiting blocks is the same as that of the limiting grooves.

Preferably, the connecting rods are arranged in a plurality and distributed in an annular array on the side surface of the annular supporting plate.

Preferably, the two ends of the reinforcing rod are fixedly connected with the first jack and the second jack in an inserting mode respectively, and the outer side wall of the movable ring is connected with the inner wall of the outer tube in an adhering mode.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with the articulamentum between inner tube and outer tube, the articulamentum includes a plurality of annular backup pads, is provided with the connecting rod between the adjacent annular backup pad, and the both ends of connecting rod are respectively with two adjacent annular backup pads fixed connection, and annular backup pad can play the supporting role to inner tube and outer tube, has increased the compressive strength of this device, and the setting of connecting rod can avoid this device to take place to buckle even by the rupture;

2. the utility model discloses a ring channel has been seted up at the outside wall of annular support plate, and the inner chamber of ring channel is provided with the loose collar, and the spacing groove has been seted up to one side inner wall of ring channel, and one side inner wall fixedly connected with stopper of loose collar separates stopper and spacing groove through the slip loose collar to can rotate the loose collar and drive the outer tube and rotate, consequently this device can fix or rotate according to actual need.

Drawings

Fig. 1 is a schematic view of the overall structure section of the present invention.

Fig. 2 is a schematic sectional view of a part of the connection layer structure of the present invention.

Fig. 3 is a schematic sectional view of the annular supporting plate structure of the present invention.

In the figure: 1. an inner tube; 2. an outer tube; 3. a connecting layer; 4. an annular support plate; 5. an annular groove; 6. a limiting groove; 7. a movable ring; 8. a limiting block; 9. a connecting rod; 10. a first jack; 11. a second jack; 12. a reinforcing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a composite paper pipe of cavity drum structure as shown in fig. 1-3, as shown in fig. 1, including inner tube 1, outer tube 2 has been cup jointed in the outside activity of inner tube 1, is provided with articulamentum 3 between inner tube 1 and the outer tube 2, and articulamentum 3 cup joints with inner tube 1 to be connected, and inner tube 1 passes through interference fit and fixed the cup jointing with external inserted bar, and outer tube 2 then can take place to rotate in the outside of inner tube 1.

As shown in fig. 2, the connection layer 3 includes a plurality of annular support plates 4, an annular groove 5 is formed on the outer side surface of each annular support plate 4, a limit groove 6 is formed on the inner wall of one side of the annular groove 5, a plurality of limit grooves 6 are arranged, the plurality of limit grooves 6 are distributed in an annular array, a movable ring 7 is movably sleeved on the outer side of each annular support plate 4, the movable ring 7 is located in the inner cavity of the annular groove 5, the movable ring 7 can rotate and slide in the inner cavity of the annular groove 5, the inner wall of the movable ring 7 is connected with the inner wall of the bottom end of the annular groove 5 in an attaching manner, so that the friction between the inner wall of the movable ring 7 and the inner wall of the bottom end of the annular groove 5 can prevent the movable ring 7 from easily sliding, a limit block 8 is fixedly connected to one side surface of the movable ring 7, the limit blocks 8 are arranged in a plurality, the plurality of limit blocks 8 are distributed in an annular array, the number of the limit grooves 8 is the same as the number of the limit grooves 6, the limit blocks 8 are located in the inner cavity of the limit grooves 6 and are matched with the limit grooves 6, stopper 8 inserts the inner chamber of spacing groove 6 and can carry on spacingly to the rotation of activity ring 7, the axial direction slip activity ring 7 at annular backup pad 4 makes stopper 8 and spacing groove 6 separate, then just can rotate activity ring 7, be provided with connecting rod 9 between the adjacent annular backup pad 4, connecting rod 9 is provided with a plurality ofly, a plurality of connecting rods 9 are annular array distribution in the side of annular backup pad 4, the both ends of connecting rod 9 respectively with two adjacent annular backup pad 4 fixed connection, connecting rod 9 is used for connecting two adjacent annular backup pads 4 and can avoid inner tube 1 and outer tube 2 to take place to buckle.

As shown in fig. 3, a plurality of first jacks 10 that are the ring array and distribute are seted up to the inside wall of outer tube 2, a plurality of second jacks 11 that are the ring array and distribute are seted up to the lateral wall of activity ring 7, the inner chamber plug connection of first jack 10 has stiffener 12, the one end and the 11 plug connection of second jack of stiffener 12, the both ends of stiffener 12 are pegged graft with first jack 10 and second jack 11 are fixed respectively, adhesive connection between the lateral wall of activity ring 7 and the inner wall of outer tube 2, the setting of stiffener 12 is used for strengthening the joint strength between outer tube 2 and the annular support plate 4.

The utility model discloses the theory of operation:

when the device is used, the outer pipe 2 slides in the axial direction of the inner pipe 1, the outer pipe 2 drives the movable ring 7 to slide in the inner cavity of the annular groove 5 when sliding, until the other side surface of the movable ring 7 is attached to the inner wall of the other side of the annular groove 5, the limiting block 8 is separated from the limiting groove 6, the movable ring 7 can rotate, and the outer pipe 2 can rotate outside the inner pipe 1;

the above-mentioned step of reverse operation, insert the inner chamber of spacing groove 6 with stopper 8, the rotation of activity ring 7 this moment receives spacingly, and outer tube 2 just can't take place to rotate in the outside of inner tube 1, therefore this device can fix or rotate according to actual need.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a compound paper tube of cavity drum structure, includes inner tube (1), its characterized in that: the outer pipe (2) is movably sleeved on the outer side of the inner pipe (1), the connecting layer (3) is arranged between the inner pipe (1) and the outer pipe (2), the connecting layer (3) is connected with the inner pipe (1) in a sleeved mode, the connecting layer (3) comprises a plurality of annular supporting plates (4), the annular groove (5) is formed in the outer side face of each annular supporting plate (4), the limiting groove (6) is formed in the inner wall of one side of the annular groove (5), the movable ring (7) is movably sleeved on the outer side of each annular supporting plate (4), the movable ring (7) is located in the inner cavity of the annular groove (5), a limiting block (8) is fixedly connected to one side face of each movable ring (7), the limiting block (8) is located in the inner cavity of the limiting groove (6) and matched with the limiting groove (6), a connecting rod (9) is arranged between every two adjacent annular supporting plates (4), two ends of each connecting rod (9) are fixedly connected with the two adjacent annular supporting plates (4) respectively, a plurality of first jacks (10) that are the annular array and distribute are seted up to the inside wall of outer tube (2), a plurality of second jacks (11) that are the annular array and distribute are seted up to the lateral wall of activity ring (7), the inner chamber plug-in connection of first jack (10) has stiffener (12), the one end and the second jack (11) plug-in connection of stiffener (12).

2. A composite paper tube of hollow cylindrical structure as claimed in claim 1, wherein: the limiting grooves (6) are arranged in a plurality of annular arrays, and the limiting grooves (6) are distributed in the annular arrays.

3. A composite paper tube of hollow cylindrical structure as claimed in claim 2, characterized in that: the limiting blocks (8) are arranged in a plurality of annular arrays, the limiting blocks (8) are distributed in an annular array mode, and the number of the limiting blocks (8) is the same as that of the limiting grooves (6).

4. A composite paper tube of hollow cylindrical structure as claimed in claim 3, characterized in that: the connecting rods (9) are arranged in a plurality of numbers, and the connecting rods (9) are distributed on the side surface of the annular supporting plate (4) in an annular array.

5. The composite paper tube of hollow cylindrical structure as claimed in claim 4, wherein: the two ends of the reinforcing rod (12) are fixedly connected with the first jack (10) and the second jack (11) in an inserting mode respectively, and the outer side wall of the movable ring (7) is connected with the inner wall of the outer tube (2) in an adhering mode.