CN215267590U

CN215267590U - Cable joint for connecting hose

Info

Publication number: CN215267590U
Application number: CN202121071638.6U
Authority: CN
Inventors: 洪群波; 黄章雄; 袁杰琪
Original assignee: Realinkage Co ltd
Current assignee: Realinkage Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-12-21
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a cable joint for coupling hose, including joint main part, hose metal joint, hose clamp sleeve and joint nut, hose metal joint's one end with the one end screw thread locking of joint main part, the joint nut will hose clamp sleeve is impressed in the other end of hose metal joint, the joint nut with hose metal joint's other end screw thread locking, hose clamp sleeve inserts hose metal joint's one end with hose metal joint's interior terminal surface axial stop, hose clamp sleeve stretches out hose metal joint's the other end is equipped with the convex part, the joint nut is equipped with the receipts oral area, the convex part is pressed on the receipts oral area, be equipped with the annular protruding muscle that is arranged in the trough of card income bellows on the hose clamp sleeve inner wall. The utility model discloses protection hose in use that can be better is not impaired.

Description

Cable joint for connecting hose

Technical Field

The utility model relates to a cable joint field especially relates to a cable joint for coupling hose.

Background

The cable joint is widely applied to the connection between a cable and equipment, and the reliability of the cable joint directly influences the normal operation of the whole electric equipment. The cable joint of coupling hose in the existing market adopts two metal clasp to lock the tight mode of clamp of hose, because the retaining member that blocks the hose is metal, causes the damage and drops easily to the bellows easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a cable joint for connecting a hose, which can enable the hose to bear larger pulling force and better protect the hose from being damaged in use.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a cable joint for coupling hose, includes joint main part, hose metal joint, hose clamp sleeve and joint nut, hose metal joint's one end with the one end screw thread locking of joint main part, the joint nut will hose clamp sleeve is impressed in the other end of hose metal joint, the joint nut with hose metal joint's other end screw thread locking, hose clamp sleeve inserts hose metal joint's one end with hose metal joint's interior terminal surface axial stop, hose clamp sleeve stretches out hose metal joint's the other end is equipped with the convex part, the joint nut is equipped with the mouth of contracting portion, the convex part is pressed on the mouth of contracting portion, be equipped with the annular protruding muscle that is arranged in the trough of card income bellows on the hose clamp sleeve inner wall.

Furthermore, the annular convex ribs are provided with a plurality of channels which are arranged at intervals.

Further, the section of the annular convex rib is semicircular.

Further, the hose clamping sleeve is made of rubber.

The cable clamping sleeve is provided with a contraction section inserted into the hose metal joint and a rotation stopping section axially stopped with the end face of the joint main body, the rotation stopping section of the cable clamping sleeve is in rotation stopping fit with the joint main body through a groove and a column structure, the inner wall of the contraction section of the cable clamping sleeve is provided with a contraction groove, the inner wall face of the hose metal joint is provided with an extrusion part for radially extruding the contraction section to enable the contraction section to radially extrude the cable, and the contraction section of the cable clamping sleeve is pressed against the end face of the extrusion part.

Further, the groove and column structure comprises a protrusion arranged on the outer wall of the rotation stopping section of the cable clamping sleeve and a groove arranged on the inner wall of the connector main body.

Furthermore, the extrusion part is an extrusion flange extending along the inner wall of the metal joint of the hose in the radial direction, a conical surface with a flaring shape from bottom to top is formed at the upper end face of the extrusion flange, and the contraction groove is a conical groove with a conical cross section.

The cable clamping sleeve comprises a contraction section and a sleeve, wherein the contraction section of the cable clamping sleeve is sleeved with the sleeve, and the sleeve is provided with a limiting part axially blocked with the end face of the cable clamping sleeve.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses in, insert the hose in the hose metal joint, then the rotary joint nut, when the joint nut connects soon, hose clamp sleeve shrink to cramp the hose, when cramping the hose, the protruding muscle card of annular is in the trough of hose, thereby ensures that the hose is connected and sealed reliability with the metal joint main part, makes the hose can bear great anti pull-off force, and hose clamp sleeve adopts the mode of wrapping up locking hose entirely simultaneously, can better protect hose in use not damaged.

Drawings

Fig. 1 is a front view of a cable joint for connecting hoses according to the present invention;

fig. 2 is a cross-sectional view of a cable joint for connecting hoses according to the present invention;

fig. 3 is an exploded view of a cable connector for connecting hoses according to the present invention;

in the figure: 1. a connector body; 11. a spanner position; 12. a first threaded portion; 13. a second threaded portion; 2. a hose metal fitting; 21. a pressing section; 22. a conical surface; 3. a joint nut; 4. a cable clamping sleeve; 5. a bushing; 6. a hose clamping sleeve; 61. an annular convex rib; 62. a convex portion; 7. a first seal ring; 8. and a second seal ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-3, for the cable joint for connecting flexible pipes provided by the present invention, it comprises a joint main body 1, a flexible pipe metal joint 2, a flexible pipe clamping sleeve 6 and a joint nut 3, one end of the hose metal joint 2 is screwed with one end of the joint body 1, the joint nut 3 presses the hose clamping sleeve 6 into the other end of the hose metal joint 2, the joint screw cap 3 is locked with the other end of the hose metal joint 2 through screw threads, the hose clamping sleeve 6 is inserted into one end of the hose metal joint 2 and is axially blocked with the inner end surface of the hose metal joint 2, the other end of the hose clamping sleeve 6 extending out of the hose metal joint 2 is provided with a convex part 62, the joint nut 3 is provided with a closing part, the convex part 62 presses on the closing part, and the inner wall of the hose clamping sleeve 6 is provided with an annular convex rib 61 which is used for being clamped into a wave trough of the corrugated pipe.

The utility model discloses in, insert the hose in hose metal joint 2, the preferred bellows of hose of this embodiment, then rotary joint nut 3, when connecting nut 3 connects soon, hose clamp sleeve 6 takes place shrink deformation, in order to cramp the hose, when cramping the hose, annular protruding muscle 61 card is in the trough of hose, thereby ensure that the hose is connected and sealed reliability with metal joint main part 1, make the hose can bear great anti pull-off force, hose clamp sleeve 6 adopts the mode of wrapping up locking hose entirely simultaneously, can better protect hose in use not damaged.

Preferably, the annular ribs 61 are provided with a plurality of channels, and the plurality of channels of annular ribs 61 are arranged at intervals. Further improving the pulling-off resistance of the hose.

Specifically, the cross section of the annular rib 61 is semicircular. This prevents the annular rib 61 from damaging the hose.

Preferably, the hose clamping cover 6 is made of rubber. This provides a better protection of the hose against damage during use.

Preferably, the cable joint structure further comprises a cable clamping sleeve 4 sleeved in the joint main body 1 and the hose metal joint 2, wherein the cable clamping sleeve 4 is provided with a contraction section used for being inserted into the hose metal joint 2 and a rotation stopping section axially stopping the end face of the joint main body 1, the rotation stopping section of the cable clamping sleeve 4 is matched with the joint main body 1 in a rotation stopping mode through a groove and column structure, a contraction groove is formed in the inner wall of the contraction section of the cable clamping sleeve 4, an extrusion portion 21 used for radially extruding the contraction section to enable the contraction section to radially extrude a cable is formed in the inner wall face of the hose metal joint 2, and the contraction section of the cable clamping sleeve 4 is pressed against the end face of the extrusion portion 21.

The utility model discloses in, through downward rotating joint main part 1, joint main part 1 extrudees cable clamping sleeve 4 downwards, because cable clamping sleeve 4 presses on extrusion portion 21 for the shrink groove of cable clamping sleeve 4 produces radial deformation, thereby radially extrudees the cable of cable clamping sleeve 4 inside, reaches the effect of locking cable

Specifically, the groove and column structure comprises a protrusion arranged on the outer wall of the rotation stopping section of the cable clamping sleeve 4 and a groove arranged on the inner wall of the joint main body 1.

Specifically, the extrusion portion 21 is an extrusion flange extending along the inner wall of the hose metal joint 2 in the radial direction, a conical surface 22 with a flared opening from bottom to top is formed on the upper end surface of the extrusion flange, and the contraction groove is a conical groove with a conical cross section. The locking range can be adjusted by matching the tapered groove of the cable clamping sleeve 4 with the tapered surface 22 of the extrusion flange, so that the cable clamping device can be suitable for locking cables with different dimensions and specifications, and has strong applicability.

Preferably, the cable clamping sleeve further comprises a bushing 5, the bushing 5 is sleeved in the contraction section of the cable clamping sleeve 4, and the bushing 5 is provided with a limiting part axially blocked with the end face of the cable clamping sleeve 4.

Preferably, a wrench position 11 is arranged outside the joint main body 1, a first threaded portion 12 and a second threaded portion 13 are respectively arranged on two sides of the wrench position 11, and the second threaded portion 13 is in threaded connection with one end of the metal joint main body 1.

Preferably, a first sealing ring 7 is arranged at the joint of the wrench position 11 and the first thread part 12, and a second sealing ring 8 is arranged at the joint of the wrench position 11 and the second thread part 13. Specifically, the first seal ring 7 and the second seal ring 8 of the present embodiment are preferably O-ring seals.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A cable joint for connecting a hose is characterized by comprising a joint main body (1), a hose metal joint (2), a hose clamping sleeve (6) and a joint nut (3), wherein one end of the hose metal joint (2) is in threaded locking with one end of the joint main body (1), the joint nut (3) presses the hose clamping sleeve (6) into the other end of the hose metal joint (2), the joint nut (3) is in threaded locking with the other end of the hose metal joint (2), the hose clamping sleeve (6) is inserted into one end of the hose metal joint (2) and is axially blocked with the inner end surface of the hose metal joint (2), a convex part (62) is arranged at the other end of the hose clamping sleeve (6) extending out of the hose metal joint (2), and a closing-in part is arranged on the joint nut (3), the convex part (62) is pressed on the closing part, and the inner wall of the hose clamping sleeve (6) is provided with an annular convex rib (61) which is clamped into a wave trough of the corrugated pipe.

2. The cable joint for connecting hoses according to claim 1, wherein the annular rib (61) is provided with a plurality of pieces, and the plurality of pieces of annular rib (61) are spaced apart.

3. A cable joint for connecting hoses according to claim 1, characterized in that the annular rib (61) has a semicircular shape in cross section.

4. A cable joint for connecting hoses according to claim 1, characterized in that the hose clamping sheath (6) is of rubber material.

5. Cable joint for connecting hoses according to claim 1, characterized by further comprising a cable clamping sheath (4) sheathed inside the joint body (1) and the hose metal joint (2), the cable clamping sleeve (4) is provided with a contraction section inserted into the hose metal connector (2) and a rotation stopping section axially stopped with the end surface of the connector main body (1), the rotation stopping section of the cable clamping sleeve (4) is matched with the joint main body (1) in a rotation stopping way through a groove and column structure, a contraction groove is arranged on the inner wall of the contraction section of the cable clamping sleeve (4), an extrusion part (21) for radially extruding the contraction section to enable the contraction section to radially extrude the cable is formed on the inner wall surface of the hose metal joint (2), the contraction section of the cable clamping sleeve (4) is pressed against the end face of the extrusion part (21).

6. Cable joint for connecting hoses according to claim 5, characterized in that the groove and post structure comprises a protrusion provided on the outer wall of the rotation stop section of the cable clamping sheath (4) and a groove provided on the inner wall of the joint body (1).

7. The cable joint for connecting a hose according to claim 5, wherein the pressing portion (21) is a pressing flange extending in a radial direction along an inner wall of the metal joint (2) of the hose, an upper end surface of the pressing flange is formed with a tapered surface (22) flaring from bottom to top, and the constricted groove is a tapered groove having a tapered cross section.

8. A cable joint for connecting hoses according to claim 5, characterized by further comprising a bushing (5), wherein the bushing (5) is sleeved in the contraction section of the cable clamping sleeve (4), and the bushing (5) is provided with a limiting part which is axially blocked with the end surface of the cable clamping sleeve (4).