CN211063316U

CN211063316U - Flange type cable fixing head

Info

Publication number: CN211063316U
Application number: CN201922137370.0U
Authority: CN
Inventors: 曾凡乐; 李小强; 李长征; 乔磊
Original assignee: Beisit Electric Tech Hangzhou Co ltd
Current assignee: Beisit Electric Tech Hangzhou Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-21
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a flange formula cable fixing head, including main part and waterproof circle, the central authorities of main part have along the axial through-hole that runs through, the periphery of main part has along the axial through, be used for the mounting hole that links to each other with equipment, waterproof circle is the tube-shape and can set up in the through-hole, still includes the clamping part who is used for connecting waterproof circle and main part and makes waterproof circle and the inseparable laminating of cable crust. The flange type cable fixing head is connected with the waterproof ring and the main body through the clamping part, and the waterproof ring is tightly attached to the sheath of the cable, so that the protection of the cable is realized. Meanwhile, the main body is provided with a mounting hole, the mounting hole and the equipment room are fixed through a mounting bolt, and then the flange type cable fixing head can be connected with equipment without a threaded hole. The flange type cable fixing head has higher universality.

Description

Flange type cable fixing head

Technical Field

The utility model relates to a waterproof equipment technical field, in particular to flange formula cable fixing head.

Background

The cable fixing head is a fixing and protecting component for electric wires and cables, and is widely applied to mechanical equipment, electrical equipment of ships and corrosion-resistant equipment. The cable fixing head has the main functions of keeping the cable outlet hole sealed, waterproof and dustproof, so that the machine can run safely and reliably. The existing cable fixing head and equipment are connected through threads, and partial equipment is not provided with a threaded hole or cannot be provided with a threaded hole due to the fact that the shell is thin, so that the cable or the electric wire is difficult to fix and protect through the cable fixing head.

Therefore, how to provide a novel cable fixing head is a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flange formula cable fixed head, its main part is equipped with the mounting hole, and accessible bolted connection between mounting hole and equipment and then provide and make cable fixed head and equipment room can adopt the flange formula to be connected.

In order to achieve the above object, the utility model provides a flange formula cable fixing head, including main part and waterproof circle, the central authorities of main part have along the axial through-hole that runs through, the periphery of main part has along the axial through, for the mounting hole that links to each other with equipment, waterproof circle be the tube-shape, and can set up in the through-hole, still include and be used for connecting waterproof circle with the main part and make waterproof circle and the tight clamping part who laminates closely of cable crust.

Preferably, the main body is ring-shaped, a fastening block extending along the axial direction is arranged on one side end face of the main body, and the clamping component is a clamping block connected with the fastening block.

Preferably, the end face of one side of the main body is provided with two fastening blocks, the fastening blocks are located at two ends of one diameter, each fastening block is provided with a fastening hole extending along the secant direction of the main body, each clamping block is semicircular, two ends of each clamping block are provided with fixing holes used for being connected with the corresponding mounting hole, and the clamping blocks are connected with the fastening blocks through fastening bolts.

Preferably, the end part of the waterproof ring is also provided with a limiting ring which extends outwards along the radial direction.

Preferably, the waterproof flange ring comprises a sealing cylinder inserted into the through hole and a flange ring located at the end of the sealing cylinder and extending outwards in the radial direction, and the flange ring is provided with a flange hole corresponding to the mounting hole.

Preferably, the sealing cylinder is arranged in the through hole, and the waterproof ring is arranged on the inner side of the sealing cylinder.

Preferably, the inner side wall of the waterproof flange ring is provided with a closing ring extending along the radial direction to the axis.

Preferably, the number of the closed rings is at least 2, the closed rings are distributed along the axial direction, and a closed groove is formed between two adjacent closed rings.

The utility model provides a flange formula cable fixing head, including main part and waterproof circle, the central authorities of main part have the through-hole that runs through along the axial, and the periphery of main part has along the axial run through, be used for the mounting hole that links to each other with equipment, waterproof circle is the tube-shape and can set up in the through-hole, still includes the clamping part who is used for connecting waterproof circle and main part and makes waterproof circle and the inseparable laminating of cable crust.

The flange type cable fixing head is connected with the waterproof ring and the main body through the clamping part, and the waterproof ring is tightly attached to the sheath of the cable, so that the protection of the cable is realized. Meanwhile, the main body is provided with a mounting hole, the mounting hole and the equipment room are fixed through a mounting bolt, and then the flange type cable fixing head can be connected with equipment without a threaded hole. The flange type cable fixing head has higher universality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a flange-type cable fixing head provided by the present invention;

fig. 2 is a cross-sectional view of a flange-type cable fixing head provided by the present invention;

FIG. 3 is a front view of a waterproof flange ring according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a waterproof flange ring according to an embodiment of the present invention;

FIG. 5 is a front view of a waterproof flange ring according to another embodiment of the present invention;

FIG. 6 is a cross-sectional view of a waterproof flange ring according to another embodiment of the present invention;

FIG. 7 is a front view of the main body;

FIG. 8 is a cross-sectional view of the body;

FIG. 9 is a front view of the waterproof ring;

FIG. 10 is a cross-sectional view of a waterproof ring;

FIG. 11 is a front view of the clamping block;

figure 12 is a cross-sectional view of the clamping block.

Wherein the reference numerals in fig. 1 to 12 are:

the waterproof structure comprises a main body 1, a clamping block 2, a waterproof flange ring 3, a waterproof ring 4, fastening bolts 5, mounting bolts 6, mounting holes 11, a fastening block 12, fastening holes 13, a flange ring 31, flange holes 32, a sealing ring 33 and a limiting ring 41.

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.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 12, fig. 1 is a schematic structural diagram of a flange-type cable fixing head provided in the present invention; fig. 2 is a cross-sectional view of a flange-type cable fixing head provided by the present invention; FIG. 3 is a front view of a waterproof flange ring according to an embodiment of the present invention; FIG. 4 is a cross-sectional view of a waterproof flange ring according to an embodiment of the present invention; FIG. 5 is a front view of a waterproof flange ring according to another embodiment of the present invention; FIG. 6 is a cross-sectional view of a waterproof flange ring according to another embodiment of the present invention; FIG. 7 is a front view of the main body; FIG. 8 is a cross-sectional view of the body; FIG. 9 is a front view of the waterproof ring; FIG. 10 is a cross-sectional view of a waterproof ring; FIG. 11 is a front view of the clamping block; figure 12 is a cross-sectional view of the clamping block.

The utility model provides a flange formula cable fixing head, the structure is as shown in figure 1 and figure 2, including main part 1 and waterproof circle 4. The center of the main body 1 is provided with a through hole which penetrates along the axial direction, the waterproof ring 4 is cylindrical, and when the cable is connected, the waterproof ring 4 is sleeved on the periphery of the cable and inserted into the through hole. The flange type cable fixing head further comprises a clamping component, on one hand, the clamping component is fixedly connected with the main body 1 through a bolt connection mode or a thread connection mode, on the other hand, the clamping component can apply a radial force to the waterproof ring 4 to apply an inward acting force, so that the waterproof ring 4 is tightly attached to the outer skin of the cable, and the waterproof ring 4 is fixed in the main body 1 through a clamping force between the waterproof ring 4 and the cable. The body 1 has an attachment hole 11 formed in an outer periphery thereof and inserted in an axial direction, and the attachment hole 11 is connected to a device such as a machine electric device or a ship electric device by an attachment bolt 6 to fix a cable.

Optionally, the clamping component is a clamping block 2, and the main body 1 and the clamping block 2 are connected through a fastening bolt 5. Specifically, as shown in fig. 7 and 8, the body 1 is ring-shaped, and two fastening blocks 12 extending in the axial direction are provided on one side end surface of the body 1, the fastening blocks 12 are located at both ends of one diameter, and the fastening blocks 12 are provided with fastening holes 13 penetrating in the direction of the cut line of the body 1. As shown in fig. 11 and 12, the clamping block 2 is semicircular and has fixing holes at both ends. The main body 1 is located two semicircular gaps on two sides of the fastening block 12, the two clamping blocks 2 are respectively installed on the two gaps, and the fastening bolt 5 penetrates through the two fixing holes and the fastening hole 13 on the fastening block 12, so that the clamping blocks 2 are fixedly connected with the fastening block 12. In addition, in order to enable the clamping blocks 2 to push the waterproof ring 4 to be tightly attached to the sheath of the cable, the inner diameter of the circumference enclosed by the two clamping blocks 2 is generally smaller than the diameter of the cable. Of course, the user can also set up the diameter that the internal diameter of waterproof circle 4 is less than the cable as required, makes interference fit between waterproof circle 4 and the cable to improve the leakproofness of flange formula cable fixing head.

In addition, in order to axially limit the waterproof ring 4 and avoid the separation of the waterproof ring 4 and the part clamped by the clamping block 2, which affects the waterproof effect of the flange type cable fixing head, as shown in fig. 9 and 10, the end part of the waterproof ring 4 is further provided with a limiting ring 41 extending outward in the radial direction, and when in use, the limiting ring 41 is attached to the end surface of the clamping block 2 to limit the axial position of the waterproof ring 4.

In this embodiment, main part 1 links to each other through fastening bolt 5 with pressing from both sides tight piece 2 in the fixed head of flange formula cable, presss from both sides tight piece 2 and extrudees waterproof circle 4 under the effect of bolt pretension, makes waterproof circle 4 closely laminate with the crust of cable on the one hand, plays waterproof effect, and on the other hand fixes waterproof circle 4 between cable and main part 1 through the clamp force. Meanwhile, the mounting hole 11 in the main body 1 is connected with the equipment through the mounting bolt 6, flange type connection is achieved, and therefore the equipment can be connected with the flange type cable fixing head without presetting a threaded hole, and the flange type cable fixing head is high in universality.

In addition, in order to ensure the sealing effect, waterproof sealing is also needed between the main body 1 and the equipment, so that the flange type cable fixing head also comprises a waterproof flange ring 3. Specifically, the waterproof flange ring 3 includes a sealing cylinder and a flange ring 31. Specifically, as shown in fig. 3 and 4, in one embodiment of the present application, the flange ring 31 is located at the end of the sealing cylinder and extends radially outward. In the use process, the sealing cylinder is inserted into the through hole, the flange ring 31 is attached to the end face, facing the equipment, of the main body 1, and meanwhile the flange ring 31 is further provided with a flange hole 32 corresponding to the position of the mounting hole 11. Under the action of bolt pretension, the flange ring 31 is clamped by the main body 1 and the equipment, so that the sealing effect is achieved.

Optionally, in order to improve the sealing effect, the length of the sealing cylinder and the waterproof ring 4 is not less than the length of the main body 1 including the fastening block 12, and the effect after the connection of the components is as shown in fig. 1 and fig. 2. In addition, the sealing cylinder is arranged in the through hole, the waterproof ring 4 is arranged on the inner side of the sealing cylinder, and the clamping block 2 can simultaneously clamp the sealing cylinder and the waterproof ring 4 when being connected with the main body 1, so that the flange type cable fixing head is guaranteed to have a good sealing effect.

Further, in another embodiment of the present invention, the inner sidewall of the sealing cylinder is provided with a closing ring 33 extending along the radial direction to the axis. When the clamping block 2 clamps the sealing cylinder, the sealing ring 33 can deform, so that the attaching force among the sealing cylinder, the waterproof ring 4 and the cable sheath is increased.

Further, as shown in fig. 5 and 6, the number of the sealing rings 33 is at least 2, and the sealing rings are distributed along the axial direction, a sealing groove is formed between two adjacent sealing rings 33, the inner side wall of the sealing cylinder is provided with a plurality of sealing grooves along the axial direction, and the sealing grooves are expanded after being squeezed by the clamping blocks 2, so that the area of the inner side surface of the sealing cylinder can be increased, and the sealing effect is further enhanced. Of course, the user may also provide the sealing ring 33 on the inner side of the waterproof ring 4 as desired.

In this embodiment, flange formula cable fixed head still includes waterproof flange circle 3, can compress tightly flange circle 31 in the waterproof flange circle 3 when main part 1 links to each other with equipment, and then improves the leakproofness between flange formula cable fixed head and the equipment, has improved water-proof effects. In addition, the inner side wall of the waterproof flange ring 3 is also provided with a sealing ring 33, a sealing groove is formed between every two adjacent sealing rings 33, and the sealing groove is expanded after being extruded by the clamping block 2, so that the sealing area is increased, and the waterproof effect is further improved.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides a flange formula cable fixing head has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a flange formula cable fixing head, characterized in that, includes main part (1) and waterproof circle (4), the central authorities of main part (1) have along the axial through-hole that runs through, the periphery of main part (1) have along the axial through, for mounting hole (11) that link to each other with equipment, waterproof circle (4) are the tube-shape, and can set up in the through-hole, still include and be used for connecting waterproof circle (4) with main part (1) and make waterproof circle (4) and the tight clamping part who laminates closely of cable crust.

2. The flanged cable fixing head according to claim 1, characterized in that the body (1) is ring-shaped, and has a fastening block (12) extending in the axial direction on one side end surface, and the clamping member is a clamping block (2) connected to the fastening block (12).

3. The flange-type cable fixing head as claimed in claim 2, wherein two of the fastening blocks (12) are provided on an end surface of one side of the body (1), the fastening blocks (12) are located at both ends of one diameter, the fastening blocks (12) are provided with fastening holes (13) extending in a secant direction of the body (1), the clamping blocks (2) are semicircular, both ends thereof are provided with fixing holes for connecting with the fastening holes (13), and the clamping blocks (2) and the fastening blocks (12) are connected by fastening bolts (5).

4. Flange cable fixing head according to claim 3, characterized in that the end of the watertight ring (4) is further provided with a stop collar (41) extending radially outwards.

5. The flanged cable fixing head according to any one of claims 1 to 4, characterized by further comprising a waterproof flange ring (3), wherein the waterproof flange ring (3) comprises a sealing cylinder for inserting into the through hole and a flange ring (31) located at an end of the sealing cylinder and extending radially outward, and the flange ring (31) is provided with a flange hole (32) corresponding to the position of the mounting hole (11).

6. Flange cable fixing head according to claim 5, characterized in that the sealing cylinder is arranged in the through hole, the waterproofing ring (4) being arranged inside the sealing cylinder.

7. Flange cable fixing head according to claim 6, characterized in that the inner side wall of the watertight flange ring (3) is provided with a closing ring (33) extending radially towards the axis.

8. Flange cable fixing head according to claim 7, wherein the number of the closing rings (33) is at least 2 and is distributed axially, with a closing groove being formed between two adjacent closing rings (33).