CN215870610U

CN215870610U - Threading corrugated pipe connector

Info

Publication number: CN215870610U
Application number: CN202122318173.6U
Authority: CN
Inventors: 杜晓东; 李雷保; 许惠源; 龚秋磊; 周平; 吴国野
Original assignee: Chongqing Iron And Steel Energy And Environmental Protection Co ltd
Current assignee: Chongqing Iron And Steel Energy And Environmental Protection Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-18
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of corrugated pipe connectors, in particular to a threading corrugated pipe connector which comprises a hollow connector body, wherein the connector body comprises a hose connector and a threading head which are respectively arranged on the peripheral sides of two ends of the connector body, threads matched with a corrugated pipe are arranged on the peripheral side of the threading head, the peripheral side of the threading head is matched with the inner peripheral side of the corrugated pipe through the threads, and the threading head extends to the deep part in the corrugated pipe. The length of the penetrating head in the corrugated pipe is increased, so that the contact length and the stress area of the connector and the corrugated pipe are increased, the cable pressure born by the part of the corrugated pipe is reduced, and the corrugated pipe is prevented from being broken and falling off; threads matched with the inner peripheral side of the corrugated pipe are arranged on the outer peripheral side of the threading head, so that the friction force between the threading head and the corrugated pipe is increased, the connection strength between the threading head and the corrugated pipe is improved, and the threading head is further prevented from falling off; the threading head can be rotated in or out of the corrugated pipe through bare-handed operation, and the assembly and disassembly are convenient.

Description

Threading corrugated pipe connector

Technical Field

The utility model relates to the technical field of corrugated pipe connectors, in particular to a threading corrugated pipe connector.

Background

At present, aiming at a modern industrial automation control system, a field cable, a field control box, a control device and the like of an electrical control system penetrate a corrugated hose through the cable, and then the end part of the corrugated hose is fixedly connected with the field device and the control box, but the connection mode has many problems.

The existing corrugated pipe is connected with field equipment and a control box by generally adopting a screw fixing mode, and because the corrugated pipe is in a spiral shape, the fixed contact surface between a fixing screw pressed on the corrugated pipe and the corrugated pipe is less, so that the fixing effect of the screw is poor. Over time, the set screws rust, the rusty screws and the bellows of the connection portion cannot support the weight of the cable, and therefore the bellows break and fall off, the cleanliness and integrity of the equipment site are affected, and people seem to be uncomfortable. More importantly, the damaged corrugated pipe cannot continuously play a role in protecting the field cable, and the exposed plastic insulating layer of the cable can be accelerated to age and damage. The aged plastic insulating layer of the cable can also affect corresponding equipment, and can seriously cause equipment failure and greatly affect normal production and operation work.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide a threading bellows connector, which is used to solve the problem of the prior art that the connection between the connector and the bellows is not firm.

In order to achieve the above and other related objects, the present invention provides a threading corrugated pipe connector, including a hollow connector body, where the connector body includes a hose connector and a threading head respectively disposed on the peripheral sides of two ends of the connector body, a thread engaged with the corrugated pipe is disposed on the peripheral side of the threading head, the peripheral side of the threading head is engaged with the inner peripheral side of the corrugated pipe through the thread, and the threading head extends into the corrugated pipe.

Optionally, the locking piece is matched on the periphery side of the hose connector, the locking head is arranged on the periphery side between the hose connector and the threading head, a fixing groove is formed in the periphery side between the locking piece and the locking head, and the edge of the opening of the pipe wall of the control box is matched in the fixing groove.

Optionally, the hose connector and the locking member are provided with mutually matching threads on the outer peripheral side and the inner peripheral side, respectively.

Optionally, the edge of the control box pipe wall opening is in clearance fit or interference fit with the fixed groove.

Optionally, the cooperation has the retaining member on hose connector's the week side, be provided with the locking head on the week side between hose connector and the threading head, the cooperation of threading galvanized pipe is in the hose connector, the internal periphery side of retaining member cooperatees with hose connector's the periphery side.

Optionally, the outer periphery of the hose connector and the inner periphery of the locking piece are respectively provided with mutually matched threads, and the inner peripheries of the two ends of the locking piece are respectively matched with the outer periphery of the hose connector and the outer periphery of the threading galvanized pipe.

Optionally, a shielding ring extending to the threading head in the horizontal direction is arranged on the periphery of the locking head, a gap is formed between the shielding ring and the threading head, and the periphery of one end of the corrugated pipe is matched in the gap between the shielding ring and the threading head.

Optionally, a circumferential side of one end of the bellows is in a clearance fit or interference fit in a gap between the shield ring and the threading head.

Optionally, the retaining member is a hex lock nut.

Optionally, the outer periphery of the threading head is in clearance fit or interference fit with the inner periphery of the corrugated pipe through threads.

As described above, the threading bellows joint of the present invention has the following beneficial effects:

1. the length of the penetrating head on the corrugated pipe is increased, so that the contact length and the stress area of the connector and the corrugated pipe are increased, the cable pressure born by the part of the corrugated pipe is reduced, and the corrugated pipe is prevented from being broken and falling off as much as possible.

2. The thread matched with the inner peripheral side of the corrugated pipe is arranged on the outer peripheral side of the threading head, so that the friction force between the threading head and the corrugated pipe is increased, the connection strength between the threading head and the corrugated pipe is improved, and the possibility of falling off of the threading head is further reduced.

3. The threading head can be rotated in or out of the corrugated pipe through free-hand operation, and the installation and the disassembly are very convenient.

Drawings

Fig. 1 is a schematic view of a connector structure according to an embodiment of the utility model.

FIG. 2 is a schematic view of a coupling structure of a coupling and a control box wall according to an embodiment of the present invention.

Fig. 3 is a schematic view of a structure of the second connector and the wire-passing galvanized pipe according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second connector according to an embodiment of the utility model.

FIG. 5 is a schematic view of a second embodiment of the locking member of the present invention.

Reference numerals

The device comprises a threading head 1, a hose connector 2, a locking piece 3, a locking head 4, a fixing groove 5, a control box pipe wall 6, a shielding ring 7 and a threading galvanized pipe 8.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 to 5, the utility model provides a threading corrugated pipe connector, which comprises a hollow connector body, wherein the connector body comprises a hose connector 2 and a threading head 1 which are respectively arranged on the peripheral sides of two ends of the connector body, threads matched with a corrugated pipe are arranged on the peripheral side of the threading head 1, the peripheral side of the threading head 1 is matched with the inner peripheral side of the corrugated pipe through the threads, and the threading head 1 extends into the corrugated pipe.

First embodiment, as shown in fig. 1 and 2, a first embodiment is an embodiment in which the hose connector 2 is mounted on an electrical device such as a control box wall 6. The cross section of connector body upwards in week is the ring shape, and its left end is provided with hose connection head 2 through integrated into one piece's mode, and its right-hand member is provided with through integrated into one piece's mode and wears to draw head 1, and the axial length who wears to draw head 1 is greater than the axial length sum of hose connection head 2 and locking head 4. The outer periphery of the threading head 1 is provided with threads matched with the threads on the inner periphery of the corrugated pipe, and the outer periphery of the threading head 1 is in clearance fit or interference fit with the inner periphery of the corrugated pipe through the threads. The length of the threading head 1 is increased, so that the contact length between the threading head and the corrugated pipe is increased, the contact area between the threading head and the corrugated pipe is increased, the pressure of a cable borne by the corrugated pipe in unit area is reduced, and the conditions that the corrugated pipe is broken and falls off are reduced.

The circumferential side between the threading head 1 and the hose connector 2 is provided with a boss-shaped locking head 4 in an integrated forming mode, and the height of the locking head 4 in the circumferential direction is greater than the height of the threading head 1 and the hose connector 2 and is also greater than the diameter of a hole on a control box pipe wall 6. The locking piece 3 is a hexagonal locking nut, and the installation and the disassembly of the hexagonal locking nut are more convenient. The outer circumference of the hose connector 2 is provided with a thread, and the locking member 3 is engaged with the thread on the outer circumference of the hose connector 2. After the locking piece 3 is assembled on the pipe connector 2, a circumferential fixing groove 5 is formed between the locking piece 3 and the locking head 4. The control box pipe wall 6 is matched in the fixing groove 5, and two sides of the control box pipe wall are respectively propped against the right side face of the locking piece 3 and the left side face of the locking head 4. The locking head 4 is provided with annular shielding ring 7 in the circumference, shielding ring 7 towards the direction of threading head 1, shielding ring 7 and threading head 1 between gapped, the one end cooperation of bellows is in shielding ring 7 and threading head 1's clearance.

A circular through hole is formed in the control box pipe wall 6, the hose connector 2 penetrates through the circular through hole in the control box pipe wall 6, the left side of the locking head 4 abuts against the control box pipe wall 6, and the locking piece 3 is rotated to the outer peripheral side of the hose connector 2 and locked. The locking piece 3 and the locking head 4 lock the control box pipe wall 6 into the fixing groove 5. The bellows is rotatably mounted to the outer peripheral side of the feedthrough 1 such that the end edge of the bellows enters the shield ring 7. The threading head 1 locks the corrugated pipe and protects the edge of the corrugated pipe into the shielding ring 7, so that the edge of the corrugated pipe is prevented from being damaged. Or the penetrating head 1 is firstly installed in the corrugated pipe, and then the hose connector 2 is installed on the pipe wall 6 of the control box.

Example two, as shown in fig. 3 to 5, the second example is an embodiment in which the hose connector 2 is mounted on a pipeline structure such as a galvanized pipe 8. The difference with the first embodiment is that the hose connector 2 is sleeved on the outer peripheral side of the threading galvanized pipe 8, the locking member 3 penetrates through the threading galvanized pipe 8 and is rotatably installed on the outer peripheral side of the hose connector 2, and the hose connector 2 and the threading galvanized pipe 8 are fixed and locked through threads on the hose connector 2. The hose connector 2 is in clearance fit or interference fit with the threading galvanized pipe 8.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a threading bellows connector which characterized in that: including hollow connector body, the connector body is including setting up hose connection head and the threading head at its both ends respectively, be provided with the screw thread with bellows matched with on the periphery side of threading head, the periphery side of threading head is through the screw thread and the cooperation of the interior periphery side of bellows, when threading head and bellows are connected, it extends to the bellows to wear the threading head.

2. A threading bellows joint according to claim 1, wherein: the cooperation has the retaining member on hose connector's the periphery side, be provided with the locking head between hose connector and the threading head, be formed with the fixed slot between retaining member and the locking head, when hose connector is connected with the control box, the open-ended edge cooperation of control box pipe wall is in the fixed slot.

3. A threading bellows joint according to claim 2, wherein: and the outer peripheral side of the hose connector and the inner peripheral side of the locking piece are respectively provided with threads which are matched with each other.

4. A threading bellows joint according to claim 2, wherein: the edge of the opening of the pipe wall of the control box is in clearance fit or interference fit with the fixing groove.

5. A threading bellows joint according to claim 1, wherein: the cooperation has the retaining member on hose connector's the week side, be provided with the locking head between hose connector and the threading head, when hose connector and threading galvanized pipe are connected, the cooperation of threading galvanized pipe is in the hose connector, the internal week side of retaining member cooperatees with hose connector's periphery side.

6. A threading bellows joint according to claim 5, wherein: the utility model discloses a wire-connecting piece, including hose connector, retaining member, threading zinc-plated pipe, be provided with screw thread that mutually supports on the periphery side of hose connector and the inner periphery side of retaining member respectively, the inner periphery side at the both ends of retaining member cooperatees with the periphery side of hose connector and the periphery side of threading zinc-plated pipe respectively.

7. A threading bellows joint according to any of claims 2-6, wherein: the periphery of the locking head is provided with a shielding ring extending towards the threading head, a gap is formed between the shielding ring and the threading head, and one end of the corrugated pipe connected with the threading head is matched in the gap between the shielding ring and the threading head.

8. A threading bellows joint according to claim 7, wherein: one end of the corrugated pipe connected with the threading head is in clearance fit or interference fit in a clearance between the shielding ring and the threading head.

9. A threading bellows joint according to any of claims 2-6, wherein: the locking piece is a hexagonal locking nut.

10. A threading bellows joint according to claim 1, wherein: the outer periphery of the threading head is in clearance fit or interference fit with the inner periphery of the corrugated pipe through threads.