CN216311375U

CN216311375U - High-bending-performance rubber-sheathed flexible cable for elevator

Info

Publication number: CN216311375U
Application number: CN202123162869.0U
Authority: CN
Inventors: 马爱兵; 杨新华; 陈运昌
Original assignee: Jiangyuan Cable Co ltd
Current assignee: Jiangyuan Cable Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-15
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a high-bending-performance rubber-sheathed flexible cable for an elevator, which comprises a plurality of bundles of wire cores which are annularly arranged, wherein a protective sleeve is arranged outside the plurality of bundles of wire cores, an elastic structure for limiting the movement of the wire cores is arranged between every two adjacent wire cores, and the elastic structures are respectively connected on the same fixed part. The multiple wire cores are arranged in a ring shape, the elastic structures are arranged between every two adjacent wire cores, when the multi-wire core bending buffer device is bent, the elastic structures can achieve an effective buffering effect, when the multi-wire core bending buffer device is in a straight state, the elastic structures can enable the wire cores to recover the initial positions, the position dislocation of the wire cores can be effectively avoided, and the bending performance of the multi-wire core bending buffer device is improved.

Description

High-bending-performance rubber-sheathed flexible cable for elevator

Technical Field

The utility model relates to the technical field of cables, in particular to a high-bending-performance rubber-sheathed flexible cable for an elevator.

Background

When the elevator operates, the rubber jacketed flexible cable for supplying power to the elevator frequently bends, the bending performance of the rubber jacketed flexible cable at the current stage is low, and when the cable is continuously bent, particularly, a phenomenon that a plurality of cable cores inside the cable are mutually dislocated easily occurs to a multi-core cable with more than five cores, so that the positions of the cable cores are changed, partial cable cores are arched outwards or extruded inwards, and the normal bending use of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the defects in the prior art and provides a rubber jacketed flexible cable with high bending performance for an elevator, so that the defects in the prior art are effectively overcome.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a high performance rubber cover flexible cable of buckling for lift, is the sinle silk of cyclic annular range including the multi-beam, and the outside of multi-beam sinle silk is provided with the lag, all is provided with the elastic construction of restriction sinle silk activity between two adjacent sinle silks, and a plurality of elastic construction connect respectively on same fixed part.

Further, the elastic structure comprises a first elastic part and a second elastic part which are connected with each other, and the first elastic part and the second elastic part are respectively abutted against the adjacent wire cores.

Furthermore, the fixing part is of a long cylindrical structure, and the first elastic part and the second elastic part are respectively connected to the fixing part.

Furthermore, the outer end of the first elastic part and the outer end of the second elastic part are connected through a connecting part, so that the elastic structure forms an end part extending out of a gap between two adjacent wire cores, two ends of the connecting part are respectively connected with the first elastic part and the second elastic part, and the thickness of the connecting part is respectively larger than that of the first elastic part and that of the second elastic part.

Furthermore, the first elastic part comprises a first section, a second section and a third section which are sequentially connected, the first section is connected with the connecting part, the second section is positioned between the first section and the third section, and the thickness of the second section is respectively smaller than that of the first section and that of the third section.

Furthermore, the second elastic part comprises a fourth section, a fifth section and a sixth section which are sequentially connected, the fourth section is connected with the connecting part, the fifth section is positioned between the fourth section and the sixth section, and the thickness of the fifth section is respectively smaller than that of the fourth section and that of the sixth section.

Furthermore, the first section, the second section, the third section, the fourth section, the fifth section and the sixth section are respectively attached to adjacent wire cores, and the width of the connecting part is larger than the gap between two adjacent wire cores.

Furthermore, the connecting part is arranged in an arched shape.

Furthermore, the two ends of the connecting part are respectively in transitional connection with the first section and the fourth section, and the connecting part is arranged in an arc shape.

Furthermore, a filling layer is arranged between the protecting sleeve and the wire core.

The technical scheme of the utility model has the following beneficial effects: the multiple wire cores are arranged in a ring shape, the elastic structures are arranged between every two adjacent wire cores, when the multi-wire core bending buffer device is bent, the elastic structures can achieve an effective buffering effect, when the multi-wire core bending buffer device is in a straight state, the elastic structures can enable the wire cores to recover the initial positions, the position dislocation of the wire cores can be effectively avoided, and the bending performance of the multi-wire core bending buffer device is improved.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram according to a second embodiment of the present invention;

FIG. 3 is a schematic partial structure diagram according to a second embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a third embodiment of the present invention;

fig. 5 is a schematic diagram of a third partial structure according to the embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, the rubber jacketed flexible cable with high bending performance for the elevator described in this embodiment includes multiple cable cores 1, the multiple cable cores 1 are arranged in an annular shape, a cavity is formed in the middle of the multiple cable cores 1, a protective jacket is disposed outside the multiple cable cores 1, specifically, the protective jacket may include an outer protective layer 2, a middle shielding layer 3 and an inner protective layer 4, the outer protective layer 2 and the inner protective layer 4 are made of rubber, and the middle shielding layer 3 is made of metal.

In this embodiment, as shown in fig. 1, an elastic structure 5 is disposed between two adjacent wire cores 1, the elastic structure 5 can limit the movement of the wire cores 1, when the present invention is bent, there is a tendency of position dislocation between the wire cores 1, the elastic structure 5 has a buffering effect on the movement tendency, the movement amplitude of each wire core 1 is reduced, and when the present invention returns to a straight state, under the effect of the elastic structure 5, each wire core 1 can return to an initial position state, the position dislocation of each wire core 1 can be effectively avoided, a phenomenon that a part of the wire cores 1 are arched or recessed is prevented, the bending performance of the present invention is improved, more specifically, a plurality of elastic structures 5 are respectively connected to the same fixing portion 6, and the stability of each elastic structure 5 and the overall elastic supporting effect on each wire core 1 are increased.

More specifically, elastic construction 5 is located between two adjacent sinle silk 1, elastic construction 5 includes outer end interconnect's first elastic component 7 and second elastic component 8, first elastic component 7 and second elastic component 8 offset with sinle silk 1 that closes on respectively, first elastic component 7 and second elastic component 8 are the elasticity material, and certain contained angle has between first elastic component 7 and the second elastic component 8, improve the elastic support effect to sinle silk 1, in the embodiment, fixed part 6 is the structure of a long tube-shape, the inner of first elastic component 7 and the inner of second elastic component 8 all are connected on the surface of fixed part 6, each group's even distribution of first elastic component 7 and second elastic component 8 is at the surface of fixed part 6, make each sinle silk 1 atress more even, avoid partial sinle silk 1 position dislocation.

In another embodiment, as shown in fig. 2 and 3, the outer end of the first elastic portion 7 and the outer end of the second elastic portion 8 are connected by a connecting portion 9, and both ends of the connecting portion 9 are respectively connected with the first elastic portion 7 and the second elastic portion 8 in a transition manner, so that the outer end of the elastic structure 5 forms an end portion extending out of the gap between two adjacent wire cores 1, and the thickness of the connecting portion 9 is greater than the thickness of the first elastic portion 7 and the second elastic portion 8, so that the elasticity of the connecting portion 9 is greater than that of the first elastic portion 7 and the second elastic portion 8, when the adjacent wire cores 1 are moved in opposite directions, the first elastic portion 7 and the second elastic portion 8 are more easily deformed than the connecting portion 9, so that the middle portions of the first elastic portion 7 and the second elastic portion 8 are pressed by the wire cores 1 and form a certain degree of recess, and further the effect of the first elastic portion 7 and the second elastic portion 8 on covering the wire cores 1 can be increased, increase the restriction effort to sinle silk 1, prevent sinle silk 1 position dislocation.

More specifically, in the present embodiment, the first elastic portion 7 includes a first section 10, a second section 11 and a third section 12, which are sequentially connected in a transition manner, the second section 11 is located between the first section 10 and the third section 12, the first section 10 is connected in a transition manner with the connecting portion 9, and the thickness of the second section 11 is smaller than the thickness of the first section 10 and the third section 12, respectively, so that the middle portion of the first elastic portion 7 is weaker, the second elastic portion 8 includes a fourth section 13, a fifth section 14 and a sixth section 15, which are sequentially connected in a transition manner, the fourth section 13 is connected in a transition manner with the connecting portion 9, the fifth section 14 is located between the fourth section 13 and the sixth section 15, and the fifth section 14 and the thickness are smaller than the thickness of the fourth section 13 and the sixth section 15, respectively, so that the middle portion of the second elastic portion 8 is weaker, in the present embodiment, the second section 11 and the fifth section 14 are respectively abutted against the adjacent wire core 1, when the wire core 1 is bent, when two adjacent wire cores 1 tend to approach each other, the second section 11 and the fifth section 14 are more easily deformed, so that the middle parts of the first elastic part 7 and the second elastic part 8 in the same group of elastic structures 5 are deformed oppositely, the middle parts of the first elastic part 7 and the second elastic part 8 respectively coat the wire cores 1 at two sides, and further, a radial limiting acting force is applied to the outer surfaces of the wire cores 1, and the limiting effect on the wire cores 1 is increased.

In a preferred embodiment, as shown in fig. 4 and 5, the first section 10, the second section 11 and the third section 12 of the first elastic portion 7 are respectively attached to the outer surfaces of the adjacent wire cores 1, and the fourth section 13, the fifth section 14 and the sixth section 15 of the second elastic portion 8 are respectively attached to the outer surfaces of the adjacent wire cores 1, in which the width of the connecting portion 9 is larger than the gap between the two adjacent wire cores 1, when the wire cores 1 have a tendency of radially moving outward, under the action of the connecting portion 9, the first section 10, the second section 11, the third section 12, the fourth section 13, the fifth section 14 and the sixth section 15 cooperate to tightly clamp the wire cores 1 at two sides to limit the outward movement of the wire cores 1, more specifically, the connecting portion 9 is arranged in an outward arc shape, and the connecting portion 9 is made of an elastic material, so as to improve the elastic deformation effect of the connecting portion 9, after the production of the utility model is finished, the connecting part 9 can have certain elastic stress and can also be in a natural state, so that the elastic limiting effect of the first elastic part 7 and the second elastic part 8 on the two sides on the wire core 1 is increased, and the binding force of the first elastic part 7 and the second elastic part 8 on the wire core 1 is increased.

More specifically, two ends of the connecting portion 9 are respectively in transitional connection with the first section 10 and the fourth section 13, and joints of the two ends are both arc-shaped, so that the elastic capacity of the joints is increased, the elastic limiting effect on the wire core 1 is improved, and the bending of the cable core is more convenient.

More specifically, a filling layer 16 is arranged between the protective sleeve and the wire core 1, the filling layer 16 fills a cavity area between the inner protective layer 4 and the wire core 1, the filling layer 16 can be arranged in a middle cavity of the fixing part 6, and the filling layer 16 can be a tensile fiber bundle with certain elasticity, so that on one hand, the overall tensile performance of the cable core 1 can be improved, the elastic limiting force on the wire core 1 in the two directions of the diameter inside and outside can be further increased, the buffering effect is more obvious, when the cable core 1 is bent, the relative stability of the position between the wire cores 1 is higher, and the position dislocation of the wire core 1 is avoided.

The working principle of the utility model is as follows: when the bending machine is bent, the wire cores 1 have the tendency of acting towards all directions, the action of the wire cores 1 can be effectively buffered under the elastic action of the connecting part 9, the first elastic part 7 and the second elastic part 8, and the large-amplitude action of each wire core 1 is avoided.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a high bending performance rubber cover flexible cable for lift which characterized in that: be the sinle silk of cyclic annular range including the multi-beam, the outside of multi-beam sinle silk is provided with the lag, all is provided with the elastic construction of restriction sinle silk activity between two adjacent sinle silks, and a plurality of elastic construction are connected respectively on same fixed part.

2. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 1, wherein: the elastic structure comprises a first elastic part and a second elastic part which are connected with each other, and the first elastic part and the second elastic part are respectively abutted against the adjacent wire cores.

3. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 2, wherein: the fixing part is of a long cylindrical structure, and the first elastic part and the second elastic part are connected to the fixing part respectively.

4. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 2, wherein: the outer end of first elasticity portion and the outer end of second elasticity portion pass through connecting portion and connect to make elastic construction form the tip that stretches out clearance between the two adjacent sinle silks, the both ends of connecting portion are connected with first elasticity portion and second elasticity portion respectively, and the thickness of connecting portion is greater than the thickness of first elasticity portion and second elasticity portion respectively.

5. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 4, wherein: the first elastic part comprises a first section, a second section and a third section which are sequentially connected, the first section is connected with the connecting part, the second section is positioned between the first section and the third section, and the thickness of the second section is respectively smaller than that of the first section and that of the third section.

6. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 5, wherein: the second elastic part comprises a fourth section, a fifth section and a sixth section which are sequentially connected, the fourth section is connected with the connecting part, the fifth section is positioned between the fourth section and the sixth section, and the thickness of the fifth section is respectively smaller than that of the fourth section and that of the sixth section.

7. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 6, wherein: the first section, the second section, the third section, the fourth section, the fifth section and the sixth section are respectively attached to adjacent wire cores, and the width of the connecting part is larger than the gap between two adjacent wire cores.

8. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 7, wherein: the connecting part is arranged in an arched shape.

9. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 8, wherein: two ends of the connecting part are respectively in transitional connection with the first section and the fourth section, and the connecting part is arranged in an arc shape.

10. The high-bending-performance rubber-sheathed flexible cable for the elevator as claimed in claim 1, wherein: and a filling layer is arranged between the protective sleeve and the wire core.