CN209781966U

CN209781966U - Rubber tube assembly

Info

Publication number: CN209781966U
Application number: CN201920138998.XU
Authority: CN
Inventors: 陈志仕
Original assignee: Xiamen Xinglongxing Hydraulic Co Ltd
Current assignee: Xiamen Xinglongxing Hydraulic Co Ltd
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2019-12-13
Anticipated expiration: 2029-01-26

Abstract

The utility model discloses a rubber tube assembly relates to a supplementary pipe fitting of mechanical hydraulic transmission, has solved the fixed limited technical problem of effect of being connected between joint and the rubber tube. Its technical essential includes the rubber tube and pegs graft in the connector at rubber tube both ends, the rubber tube is located and is equipped with the adapter sleeve with the outer pipe surface of connector grafting one end go up the cover, the riveting shaping has the riveting annular on the adapter sleeve lateral wall, the connector be located peg graft in spacing annular has been seted up on the lateral wall face of rubber tube end portion, the position of seting up of spacing annular is located the projection position of riveting annular on the connector lateral wall on the adapter sleeve, the utility model has the advantages of promote the fixed effect of being connected between joint and the rubber tube.

Description

Rubber tube assembly

Technical Field

The utility model relates to a supplementary pipe fitting of mechanical hydraulic transmission, more specifically say, it relates to a rubber tube assembly.

Background

chinese patent No. CN202497974U discloses a rubber tube assembly, which comprises two joints and a rubber tube, wherein the two joints are respectively connected to two ends of the rubber tube, and the rubber tube assembly further comprises two sleeves, the sleeves are respectively sleeved on two ends of the rubber tube, and each sleeve is provided with at least one radial annular groove.

in the prior art, similar to the rubber pipe assembly, a radial annular groove is processed on the sleeve in a riveting mode to fix the joint and the rubber pipe, so that the joint and the rubber pipe are connected more tightly and firmly, and the sealing performance is better.

The above prior art solutions have the following drawbacks: the existing sleeve pipe is deformed and pressed on the side wall of the end part of the joint inserted with the rubber pipe through the annular groove formed by riveting. However, the arrangement of the annular groove only increases the pressure on the contact surface of the rubber pipe and the joint, the contact area of the rubber pipe and the joint is kept unchanged, the connection acting force between the rubber pipe and the joint is static friction force formed by the pressure applied at the annular groove, and the acting direction of the static friction force is perpendicular to the inserting direction of the joint and the rubber pipe, so that the connection and fixation effect between the joint and the rubber pipe is limited.

SUMMERY OF THE UTILITY MODEL

To the technical problem that has now, an object of the utility model is to provide a rubber tube assembly, its advantage that has the fixed effect of being connected between lifting joint and the rubber tube.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a rubber tube assembly, includes the rubber tube and pegs graft in the connector at rubber tube both ends, the rubber tube is located and overlaps on the outer pipe surface of the one end of pegging graft with the connector and is equipped with the adapter sleeve, the riveting shaping has the riveting annular on the adapter sleeve lateral wall, the connector be located peg graft in spacing annular has been seted up on the lateral wall face of rubber tube tip, the position of seting up of spacing annular is located the projection position of riveting annular on the connector lateral wall on the adapter sleeve.

By adopting the technical scheme, when the rubber tube is assembled, the connecting sleeves are firstly sleeved at the two end parts of the rubber tube, then the connectors are inserted into the rubber tube from the opening end part of the rubber tube, and the side walls of the connecting sleeves are riveted after the connecting sleeves are fixedly spliced, so that the riveting ring grooves are formed. Through the setting of spacing annular on the connector lateral wall, when making riveting annular riveting shaping, the effort is exerted to the rubber tube lateral wall to the riveting annular, the rubber tube lateral wall receives the effort and produces deformation, the rubber tube receives the interior wall surface laminating in spacing annular of deformation power, thereby the area of contact between rubber tube and the connector has been increased, simultaneously through the laminating of interior wall of rubber tube and spacing groove wall surface, the effort of connecting the face connection in connector and rubber tube grafting direction is connected with the connector to the rubber tube, thereby the fixed effect of being connected between connector and the rubber tube has been promoted.

The utility model discloses further set up to: the riveting ring groove and the limiting ring groove are respectively arranged on the connecting sleeve and the connecting head at equal intervals along the axis direction of the rubber pipe.

Through adopting above-mentioned technical scheme, the cooperation setting of a plurality of riveting annular and spacing annular is used for further promoting area of contact and connection structure intensity between connector and the rubber tube, avoids the condition that connector and rubber tube separation appear in the use.

the utility model discloses further set up to: the depth of the riveting ring groove is larger than that of the limiting ring groove.

through adopting above-mentioned technical scheme, the degree of depth of riveting annular is greater than spacing annular groove degree of depth for the deformation volume that the riveting effort that the rubber tube receives produced is greater than the degree of depth of spacing annular groove, guarantees that spacing annular groove receives the packing effect that the rubber tube pipe wall deformation was filled, thereby reinforcing the static friction between rubber tube and the connector, further promotes joint structure's between connector and the rubber tube joint strength.

The utility model discloses further set up to: the connector be located with the slope is provided with the direction tooth on the outer wall of rubber tube grafting tip, the incline direction of direction tooth is kept away from towards the connector rubber tube tip is to adapter sleeve one side slope.

Through adopting above-mentioned technical scheme, the direction tooth that the slope set up on the connector lateral wall is used for when not influencing the normal grafting action of connector and rubber tube, strengthens connector and the conflict effort of rubber tube binding face in its grafting direction, further guarantees the fixed effect of being connected between connector and the rubber tube.

The utility model discloses further set up to: the direction tooth encircles along the lateral wall of connector and sets up, and its direction of encircleing along the axial of connecting makes the direction tooth be spiral ring-shaped on the connector outer wall.

through adopting above-mentioned technical scheme, the direction tooth is spiral annular setting and is used for promoting the conflict effect scope of direction tooth to the pipe wall in the rubber tube, and circumference evenly distributed on the effort of direction tooth to the rubber tube lies in the pipe wall in the rubber tube further promotes the anticreep effect of direction tooth to rubber tube and connector.

The utility model discloses further set up to: the connector is connected with an annular connecting nut in a rotating and clamping mode on the outer wall surface, away from one end of the rubber pipe, of the connector, threads on the inner wall of the connecting nut are arranged on the side wall of the connecting nut at intervals in the circumferential direction, and rubber inverted teeth are fixed at intervals between adjacent threads.

Through adopting above-mentioned technical scheme, the pawl on the coupling nut is used for guaranteeing not influencing on the basis that coupling nut and coupling end are connected the action, has increased the conflict effort between coupling nut and rather than threaded connection's the coupling end, promotes the connection effect between the coupling end that coupling nut and rubber tube connector are connected.

The utility model discloses further set up to: the connecting nut is provided with a reinforcing groove on the side wall of the interval between the adjacent threads, and the rubber inverted teeth are bonded and fixed in the reinforcing groove.

Through adopting above-mentioned technical scheme, because the rubber pawl is different with coupling nut's material, the setting of reinforcing groove is used for increasing the area of contact between rubber pawl and the coupling nut, promotes the stability of rubber pawl position on the coupling nut inner wall.

The utility model discloses further set up to: the one end that the rubber tube was kept away from to the connector is followed its axial and is extended to keeping away from rubber tube one side and have the stand pipe, the stand pipe is round platform form, and its cross-section radius of circle of keeping away from rubber tube one end is less than the cross-section radius of circle of closing on rubber tube one side.

Through adopting above-mentioned technical scheme, the setting of stand pipe is used for playing the guide effect in the connection process, is favorable to the alignment of position between connector and the link end, makes things convenient for the connector to move rather than the link end's that is connected connection, promotes connection efficiency.

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

(1) The connection and fixation effect between the joint and the rubber pipe is realized by the matching arrangement of the limiting ring groove on the joint and the riveting ring groove on the rubber pipe;

(2) The connection strength of a connection structure between the connector and the rubber pipe is improved through the spiral arrangement of the guide teeth on the connector;

(3) The connection effect between the rubber pipe assembly and the connection end part connected with the rubber pipe assembly is improved by arranging the matched rubber inverted teeth on the connecting nut at intervals.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a cross-sectional view of the end of the hose in this embodiment;

FIG. 3 is a schematic structural diagram of the connecting head in this embodiment;

fig. 4 is an enlarged schematic view of a point a in the present embodiment.

Reference numerals: 1. a hose; 2. a connector; 21. a limiting ring groove; 22. a limiting plate; 23. a guide tooth; 24. a guide tube; 3. connecting sleeves; 31. inserting holes; 4. riveting and pressing the ring groove; 5. a connecting nut; 51. a partition surface; 52. chamfering rubber; 53. and (5) reinforcing the groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In the embodiment, a rubber tube assembly, as shown in fig. 1 and 2, includes a rubber tube 1 and connectors 2 inserted into two ends of the rubber tube 1, a connecting sleeve 3 is sleeved on an outer tube surface of one end of the rubber tube 1 inserted into the connecting sleeve 2, a riveting ring groove 4 is formed on a side wall of the connecting sleeve 3 by riveting, a limiting ring groove 21 is formed on a side wall surface of the connector 2 inserted into an end of the rubber tube 1, and a position of the limiting ring groove 21 is located on a projection position of the riveting ring groove 4 on the side wall of the connector 2 on the connecting sleeve 3. The connection effect between the rubber tube 1 and the connector 2 is improved by matching the limiting ring groove 21 with the riveting ring groove 4.

As shown in fig. 1 and 2, the rubber tube 1 is cylindrical tube-shaped, and the connector 2 is cylindrical tube-shaped. The connecting sleeve 3 sleeved on the outer wall of the end part of the rubber tube 1 is in a sleeve shape, one end surface of the connecting sleeve, which is close to the rubber tube 1, is an opening surface for splicing the rubber tube 1, and one end surface of the connecting sleeve, which is far away from the rubber tube 1, is provided with a splicing hole 31 for splicing the connector 2. The riveting ring groove 4 is opened along the circumferential side wall circumference of the connecting sleeve 3, and the riveting ring groove 4 is equally spaced along the axis direction of the connecting sleeve 3 and is provided with a plurality of riveting ring grooves, in this embodiment, the number of the riveting ring grooves 4 is two, and the groove wall surface is arranged in a circular arc surface shape.

As shown in fig. 2 and 3, a limiting plate 22 extends from the middle of the connector 2 in the length direction perpendicular to the sidewall of the connector 2, the limiting plate 22 is annular, when the connector 2 is inserted into the hose 1, the limiting plate 22 abuts against the opening end face of the hose 1, and the sidewall of the connector 2 abuts against the inner pipe wall of the hose 1. Spacing annular 21 is seted up and is located the limiting plate 22 and close to on the side perisporium of rubber tube 1 one side in connector 2, and spacing annular 21 is provided with a plurality ofly along the equal interval of the axial of connector 2, and the number of spacing annular 21 is two in this embodiment, and two spacing annular 21 all are located the projection position of riveting annular 4 on the connector 2 lateral wall. The depth of the limiting ring groove 21 is less than that of the riveting ring groove 4, and the groove wall surface is also in an arc surface shape. The connector 2 is located still slope on the lateral wall that limiting plate 22 closes to rubber tube 1 one side and is provided with direction tooth 23, its incline direction keeps away from rubber tube 1 tip towards connector 2 and inclines to adapter sleeve 3 one side, direction tooth 23 encircles the setting along the lateral wall of connector 2 simultaneously, and its direction of encircleing makes direction tooth 23 be located and is the spiral ring form on the connector 2 outer wall along the axial of adapter sleeve 3, and the coincidence part that direction tooth 23 is located spacing annular 21 sets up the discontinuity that communicates spacing annular 21, make direction tooth 23 interval setting on the connector 2 lateral wall.

As shown in fig. 3 and 4, an annular coupling nut 5 is rotatably connected to an outer wall surface of one end of the coupling head 2, which is far away from the rubber hose 1, a smooth spacing surface 51 is axially arranged on an internal thread on an inner annular wall of the coupling nut 5 along the thread, and the spacing surface 51 and the inner annular wall surface of the coupling nut 5 are located on the same arc surface. The spacing surface 51 is provided with a plurality of reinforcing grooves 53, the reinforcing grooves 53 are formed in a circular groove shape along the length direction of the spacing surface 51, and rubber inverted teeth 52 are glued and fixed in the reinforcing grooves 53. The side wall surface of the rubber pawl 52 away from the reinforcing groove 51 is an inclined tip surface. The end face of the opening of the connector 2, which is far away from the rubber tube 1, is extended with a guide tube 24, the outer wall of the guide tube 24 is in a round table shape, and the radius of the cross section circle of one end, which is far away from the rubber tube 1, of the guide tube is smaller than that of one side, which is close to the rubber tube 1.

The utility model discloses a working process and beneficial effect as follows: when the rubber tube 1 is assembled, the connecting sleeve 3 is firstly sleeved at two ends of the rubber tube 1, then the connector 2 is inserted into the rubber tube 1 from the opening end of the rubber tube 1, and the side wall of the connecting sleeve 3 is riveted after the insertion and fixation, so that the riveting ring groove 4 is formed. Through the setting of spacing annular 21 on the connector 2 lateral wall, when making riveting annular 4 riveting, the effort is exerted to rubber tube 1 lateral wall to riveting annular 4, rubber tube 1 lateral wall receives the effort and produces deformation, rubber tube 1 receives the interior pipe wall laminating of deformation power in the groove wall of spacing annular 21, thereby increased the area of contact between rubber tube 1 and connector 2, simultaneously through the laminating of pipe wall and spacing annular 21 groove wall in rubber tube 1, the effort of connecting the face connection in connector 2 and rubber tube 1 grafting direction is connected with connector 2 to rubber tube 1, thereby the fixed effect of being connected between connector and the rubber tube 1 has been promoted.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a rubber tube assembly, includes rubber tube (1) and pegs graft in connector (2) at rubber tube (1) both ends, rubber tube (1) are located and are equipped with adapter sleeve (3) with the outer pipe surface of connector (2) grafting one end on the cover, the riveting has riveting annular (4), its characterized in that on adapter sleeve (3) lateral wall: the connector (2) is positioned and spliced on the side wall surface of the end part of the rubber tube (1) and is provided with a limiting ring groove (21), and the position of the limiting ring groove (21) is positioned on the connecting sleeve (3) and is riveted with the projection position of the ring groove (4) on the side wall of the connector (2).

2. The rubber tube assembly of claim 1, wherein: the riveting ring groove (4) and the limiting ring groove (21) are respectively arranged on the connecting sleeve (3) and the connecting head (2) at equal intervals along the axis direction of the rubber pipe (1).

3. The rubber tube assembly of claim 2, wherein: the depth of the riveting ring groove (4) is greater than that of the limiting ring groove (21).

4. A rubber tube assembly as claimed in claim 3, wherein: connector (2) be located with the slope is provided with direction tooth (23) on the outer wall of rubber tube (1) grafting tip, the incline direction of direction tooth (23) is kept away from towards connector (2) rubber tube (1) tip is to adapter sleeve (3) one side slope.

5. The rubber tube assembly of claim 4, wherein: the guide teeth (23) are arranged along the side wall of the connector (2) in a surrounding mode, and the surrounding direction of the guide teeth surrounds along the connecting axial direction to enable the guide teeth (23) to be located on the outer wall of the connector (2) in a spiral annular mode.

6. The rubber tube assembly of claim 1, wherein: the outer wall surface of keeping away from rubber tube (1) one end of connector (2) is gone up to rotate the joint and is had annular coupling nut (5), screw thread on coupling nut (5) inner wall is located its lateral wall interval setting in circumference, and the interval department between the adjacent screw thread is fixed with rubber pawl (52).

7. The rubber tube assembly of claim 6, wherein: the connecting nut (5) is provided with a reinforcing groove (53) on the side wall of the space between the adjacent threads, and the rubber inverted teeth (52) are bonded and fixed in the reinforcing groove (53).

8. The rubber tube assembly of claim 1, wherein: one end that hose (1) was kept away from in connector (2) is followed its axial and is extended to keeping away from hose (1) one side and have stand pipe (24), stand pipe (24) are the round platform form, and its cross-section radius of keeping away from hose (1) one end is less than the cross-section radius of closing on hose (1) one side.