阅读说明：本技术 一种反向三角双环卡管件连接结构 (Reverse triangle double-ring clamping pipe fitting connecting structure ) 是由 黄明辉 于 2019-09-30 设计创作，主要内容包括：本发明公开一种反向三角双环卡管件连接结构连接结构,包括接头体,所述接头体内部的每一端均设有接头腔,所述接头腔内设有一对反向三角环,其底部设有第一带缺口卡环,且第一带缺口卡环外端的所述接头腔内设有定位环；本发明通过轴向挤压推进环,使第二带缺口卡环受挤压而产生径向变形,紧压配套管材,接着继续轴向挤压,致使第一带缺口卡环进入接头体的第一斜三角卡槽内紧压配套管材并锁死,致使推进环进入接头体的第二斜三角卡槽内锁死,实现内凹三角环和外凸三角环因挤压而变形,产生的变形因为接头体的内壁阻挡,只能产生径向往管轴中心的压缩变形,从而挤压配套管材而产生硬密封的效果。(The invention discloses a reverse triangular double-ring pipe clamping piece connecting structure, which comprises a joint body, wherein each end in the joint body is provided with a joint cavity, a pair of reverse triangular rings are arranged in the joint cavities, the bottom of each reverse triangular ring is provided with a first notched clamping ring, and a positioning ring is arranged in the joint cavity at the outer end of the first notched clamping ring; according to the invention, the pushing ring is axially extruded, so that the second notched clamping ring is extruded to generate radial deformation and tightly press a matched pipe, and then the axial extrusion is continued, so that the first notched clamping ring enters the first inclined triangular clamping groove of the joint body to tightly press and tightly lock the matched pipe, the pushing ring enters the second inclined triangular clamping groove of the joint body to tightly lock the matched pipe, the deformation of the inward-concave triangular ring and the outward-convex triangular ring due to extrusion is realized, the generated deformation is blocked by the inner wall of the joint body, only the compression deformation along the radial direction towards the center of a pipe shaft can be generated, and the matched pipe is extruded to generate a hard sealing effect.)

1. The utility model provides a reverse triangle dicyclo card pipe connection structure, includes the connector body (1), its characterized in that: connect the inside every end in body (1) and all be equipped with the joint chamber, the inner in joint chamber is equipped with first breach snap ring (2), and first breach snap ring (2) outer end of taking connect the intracavity and be equipped with holding ring (3), holding ring (3) outer end connect the intracavity to be equipped with three horn rings of indent (4), and three horn rings of indent (4) outer end connect the intracavity to be equipped with middle transmission ring (5), middle transmission ring (5) outer end connect the intracavity to be equipped with three horn rings of evagination (6), and three horn rings of evagination (6) outer end connect the intracavity to be equipped with extrusion ring (7), extrusion ring (7) outer end connect the intracavity to be equipped with second and take breach snap ring (8), and second and take breach snap ring (8) outer end to be equipped with propulsion ring (9), connect the chamber bearing to insert on supporting tubular product (10), and supporting tubular product (10) pass propulsion ring (9), A second notched snap ring (8), an extrusion ring (7), a convex triangular ring (6), a middle transfer ring (5), an inner concave triangular ring (4), a positioning ring (3) and a first notched snap ring (2).

2. The inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: the inner in joint chamber encircles and is equipped with recess (11), and encircles on the inner wall of recess (11) and be equipped with first triangle draw-in groove (12) to one side, first take breach snap ring (2) with recess (11) looks adaptation, and first take breach snap ring (2) to be extrudeed and get into first triangle draw-in groove (12) location lock to one side and die.

3. The inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: and a clamping groove (13) is formed in the middle of the outer side wall of the joint body (1) in a surrounding mode.

4. The inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: the outer end that connects the intracavity wall encircles and is equipped with oblique triangle draw-in groove of second (14), the inner of propulsion ring (9) outer wall encircle be equipped with buckle (15) that oblique triangle draw-in groove of second (14) locked mutually, the outer end of propulsion ring (9) outer wall encircles and is equipped with excircle (16), and the bore of excircle (16) with the internal diameter that connects the body (1) is the same.

5. the inverted triangular double-ring snap pipe connection structure according to claim 2, wherein: the inner end of the positioning ring (3) is matched with the groove (11), and the inner end of the concave triangular ring (4) is sleeved on the outer end of the side wall of the positioning ring (3).

6. the inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: the outer end of the inner concave triangular ring (4) is sleeved on the inner end of the middle transfer ring (5), and the outer end of the middle transfer ring (5) is sleeved on the inner end of the outer convex triangular ring (6).

7. The inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: the inner end of the extrusion ring (7) is sleeved on the outer end of the convex triangular ring (6).

8. the inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: the first clamping ring (2) with the notch and the second clamping ring (8) with the notch compress the matched pipe (10) under the axial extrusion of the propelling ring (9).

9. The inverted triangular double-ring snap pipe connection structure according to claim 1, wherein: the inner concave triangular ring (4) and the outer convex triangular ring (6) are compressed and deformed in a closed space among the positioning ring (3), the middle transfer ring (5), the extrusion ring (7), the matched pipe (10) and the inner wall of the joint body (1) under the axial extrusion of the pushing ring (9), and the matched pipe (10) and the inner wall of the joint body are compressed to generate a hard sealing effect.

Technical Field

The invention relates to the technical field of pipe clamping pieces, in particular to a reverse triangular double-ring pipe clamping piece connecting structure.

Background

The working principle of the pipe clamping piece is that two sections of matched pipes are respectively inserted into sockets at two ends of the pipe clamping piece, and the matched pipes are fixed in the pipe clamping piece, so that the two sections of matched pipes are connected, therefore, the pipe clamping piece is a common connecting piece in a drinking water system, a tap water system, a heating system, a steam system, an industrial oil pipe system and an industrial gas pipe system, and is suitable for connecting pipelines such as water, oil, gas and the like;

The existing clamping pipe fitting is not firm enough to fix the matched pipe fitting, the matched pipe fitting is difficult to lock, the matched pipe fitting is easy to fall off, and the existing clamping pipe fitting is mostly soft sealed, is not resistant to temperature and pressure, is easy to age and wear and has short service life, so that the invention provides the connecting structure of the reverse triangular double-ring clamping pipe fitting to solve the problems in the prior art.

disclosure of Invention

Aiming at the problems, the invention provides a reverse triangular double-ring clamping pipe connecting structure, which enables a second clamping ring with a notch to be extruded to generate radial deformation by extruding a propelling ring so as to press a matched pipe, then the pushing ring is pushed to compress the convex triangular ring, the middle transfer ring, the concave triangular ring, the positioning ring and the first notched snap ring after the pushing ring touches the extrusion ring, so that the first notched snap ring is pushed into the groove of the connector body, and extrude supporting tubular product and the first broken ring location of taking the breach is locked and is died in first oblique triangle draw-in groove, and the propulsion ring continues to extrude indent triangle ring and evagination triangle ring, and two triangle rings warp because of the extrusion, and the deformation that produces blocks because the inner wall of the joint body, can only produce the compression deformation of radial toward the hollow shaft center to extrude supporting tubular product and reach the effect of hard seal.

In order to solve the problems, the invention provides a reverse triangular double-ring pipe clamping piece connecting structure which comprises a joint body, wherein each end inside the joint body is provided with a joint cavity, the inner end of the joint cavity is provided with a first notched clamping ring, a positioning ring is arranged in the joint cavity at the outer end of the first notched clamping ring, an inner concave triangular ring is arranged in the joint cavity at the outer end of the positioning ring, a middle transfer ring is arranged in the joint cavity at the outer end of the inner concave triangular ring, an outer convex triangular ring is arranged in the joint cavity at the outer end of the middle transfer ring, an extrusion ring is arranged in the joint cavity at the outer end of the outer convex triangular ring, a second notched clamping ring is arranged in the joint cavity at the outer end of the extrusion ring, a propelling ring is arranged at the outer end of the second notched clamping ring, the joint cavity is inserted on a matched pipe, and the matched pipe penetrates through the propelling, The extrusion ring, the outer convex triangular ring, the middle transfer ring, the inner concave triangular ring, the positioning ring and the first snap ring with the notch.

The further improvement lies in that: the inner in joint chamber encircles and is equipped with the recess, and encircles on the inner wall of recess and be equipped with first oblique triangle draw-in groove, first take breach snap ring with recess looks adaptation, and first take breach snap ring to be extrudeed and get into first oblique triangle draw-in groove location lock and die.

the further improvement lies in that: and a clamping groove is formed in the middle of the outer side wall of the joint body in a surrounding mode.

The further improvement lies in that: the outer end that connects the intracavity wall encircles and is equipped with the oblique triangle draw-in groove of second, the inner of propulsion ring outer wall encircle be equipped with the buckle that the oblique triangle draw-in groove of second locked mutually, the outer end that impels the ring outer wall encircles and is equipped with the excircle, and the bore of excircle with the internal diameter that connects the body is the same.

the further improvement lies in that: the inner end of the positioning ring is matched with the groove, and the inner end of the inwards concave triangular ring is sleeved on the outer end of the side wall of the positioning ring.

The further improvement lies in that: the outer end of the inner concave triangular ring is sleeved on the inner end of the middle transfer ring, and the outer end of the middle transfer ring is sleeved on the inner end of the outer convex triangular ring.

The further improvement lies in that: the inner end of the extrusion ring is sleeved on the outer end of the convex triangular ring.

The invention has the beneficial effects that: the invention extrudes the push ring to enable the second notched snap ring to generate radial deformation by extrusion, the second notched snap ring tightly presses a matched pipe, then the push ring pushes the extrusion ring to compress the outer convex triangular ring, the middle transfer ring, the inner concave triangular ring, the positioning ring and the first notched snap ring after contacting with the extrusion ring, so that the first notched snap ring is pushed into the groove of the connector body and extrudes the matched pipe, the first notched snap ring is positioned and locked in the first inclined triangular clamping groove, the push ring continuously extrudes the inner concave triangular ring and the outer convex triangular ring, the two triangular rings deform due to extrusion, the generated deformation can only generate compression deformation towards the center of the pipe shaft due to the blocking of the inner wall of the connector body, thereby extruding the matched pipe to achieve the effect of hard sealing, the outward turning buckle of the push ring enters the second inclined triangular clamping groove of the connector body and simultaneously contacts with the connector body, so that the push ring is locked by the barb action of the outward turning buckle, the self-locking type pipe fitting can not be loosened by self, the self-locking effect is achieved, the matched pipe fitting is convenient to lock, the pipe fitting is not easy to fall off, and the hard seal is high-temperature resistant, wear resistant, good in mechanical property and long in service life.

Drawings

FIG. 1 is a cross-sectional view of the present invention prior to installation;

FIG. 2 is a cross-sectional view of the present invention after compaction;

FIG. 3 is a schematic view of a first notched retaining ring of the present invention;

FIG. 4 is a schematic view of an inwardly concave triangular ring of the present invention;

FIG. 5 is a schematic view of the outwardly convex triangular ring of the present invention;

FIG. 6 is a second schematic view of a notched snap ring in accordance with the present invention;

FIG. 7 is a schematic view of a retaining ring of the present invention;

FIG. 8 is a schematic view of an intermediate transfer ring of the present invention;

FIG. 9 is a schematic view of the extrusion ring of the present invention;

Fig. 10 is a schematic view of a pusher ring of the present invention.

wherein: 1. a fitting body; 2. a first notched snap ring; 3. a positioning ring; 4. an inwardly concave triangular ring; 5. an intermediate transfer ring; 6. a convex triangular ring; 7. an extrusion ring; 8. a second notched snap ring; 9. a propulsion ring; 10. matching the pipe material; 11. a groove; 12. a first oblique triangular clamping groove; 13. clamping the groove; 14. a second oblique triangular clamping groove; 15. buckling; 16. and (4) an outer circle.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

According to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, this embodiment provides a reverse triangular double-ring pipe fitting connecting structure, which includes a joint body 1, each end inside the joint body 1 is provided with a joint cavity, the inner end of the joint cavity is provided with a first notched snap ring 2, the joint cavity at the outer end of the first notched snap ring 2 is provided with a positioning ring 3, the joint cavity at the outer end of the positioning ring 3 is provided with an inner concave triangular ring 4, the joint cavity at the outer end of the inner concave triangular ring 4 is provided with a middle transfer ring 5, the joint cavity at the outer end of the middle transfer ring 5 is provided with an outer convex triangular ring 6, the joint cavity at the outer end of the outer convex triangular ring 6 is provided with a squeezing ring 7, the joint cavity at the outer end of the squeezing ring 7 is provided with a second notched snap ring 8, and the outer end of the second notched snap ring 8 is provided with a pushing, the joint cavity is inserted on a matched pipe 10, and the matched pipe 10 penetrates through a pushing ring 9, a second notched clamping ring 8, an extrusion ring 7, a convex triangular ring 6, a middle transfer ring 5, a concave triangular ring 4, a positioning ring 3 and a first notched clamping ring 2.

The inner in joint chamber encircles and is equipped with recess 11, and encircles on the inner wall of recess 11 and be equipped with first triangle draw-in groove 12 to one side, first take breach snap ring 2 with recess 11 looks adaptation, and first take breach snap ring 2 to be extrudeed and get into first triangle draw-in groove 12 to one side and fix a position the lock and die. When the pipe joint is used, the pushing ring 9 is extruded, the second notched snap ring 8 is extruded to generate radial deformation along with the continuous advancing of the pushing ring 9, the matched pipe 10 is tightly pressed, at the moment, the second notched snap ring 8 cannot axially displace under the action of friction force, the pushing ring 9 continuously advances, after the pushing ring 7 is touched, the pushing ring 7 is pushed to compress the convex triangular ring 6, the middle transfer ring 5, the concave triangular ring 4, the positioning ring 3 and the first notched snap ring 2, so that the first notched snap ring is pushed into the groove 11 of the joint body 1 by the positioning ring 2, the matched pipe 10 is extruded, the first notched snap ring 2 is positioned and locked in the first inclined triangular clamping groove 12, at the moment, the positioning ring 3 is blocked by the joint body 1 and cannot continuously advance, then the pushing ring 9 continuously extrudes the concave triangular ring 4 and the convex triangular ring 6, the two triangular rings deform due to extrusion, and the generated deformation is blocked by the inner wall of the joint body 1, only compression deformation towards the center of the pipe shaft can be generated, so that the matched pipe 10 is extruded to achieve the effect of hard sealing.

A clamping groove 13 is arranged at the middle position on the outer side wall of the joint body 1 in a surrounding mode. The insertion of an installation tool into the clamping groove 13 portion is facilitated to position the fitting body 1.

the outer end that connects the intracavity wall encircles and is equipped with the oblique triangle draw-in groove 14 of second, the inner of propelling movement ring 9 outer wall encircle be equipped with the buckle 15 that the oblique triangle draw-in groove 14 of second was locked mutually, the outer end of propelling movement ring 9 outer wall encircles and is equipped with excircle 16, and 16 bores of excircle with the internal diameter that connects the body 1 is the same. As the push ring 9 continues to compress and advance, the outward turned catches 15 of the push ring 9 enter the second angled triangular catch grooves 14 of the connector body 1 while the outer circles 16 encounter the connector body 1, such that the push ring 9 is locked in position by the barb action of the outward turned catches 15.

The inner end of the positioning ring 3 is matched with the groove 11, and the inner end of the concave triangular ring 4 is sleeved on the outer end of the side wall of the positioning ring 3.

The outer end of the inner concave triangular ring 4 is sleeved on the inner end of the middle transfer ring 5, and the outer end of the middle transfer ring 5 is sleeved on the inner end of the outer convex triangular ring 6.

The inner end of the extrusion ring 7 is sleeved on the outer end of the convex triangular ring 6.

The reverse triangular double-ring pipe clamping part connecting structure enables a second notched snap ring 8 to be extruded to generate radial deformation by extruding a pushing ring 9, the second notched snap ring tightly presses a matched pipe 10, then after the pushing ring 9 touches an extruding ring 7, the extruding ring 7 is pushed to compress an outer convex triangular ring 6, a middle transfer ring 5, an inner concave triangular ring 4, a positioning ring 3 and a first notched snap ring 2, so that the first notched snap ring is pushed into a groove 11 of a connector body 1 by the pushing ring 2, the matched pipe 10 is extruded, the first notched snap ring 2 is positioned and locked in a first oblique triangular clamping groove 12, the pushing ring 9 continuously extrudes the inner concave triangular ring 4 and the outer convex triangular ring 6, the two triangular rings deform due to extrusion, the generated deformation is blocked by the inner wall of the connector body 1 and only can generate compression deformation along the radial direction towards the center of a pipe shaft, the matched pipe 10 is extruded to achieve the effect of hard sealing, a buckle 15 outwards turned over of the pushing ring 9 enters a second oblique triangular clamping groove 14, meanwhile, the excircle 16 touches the joint body 1, so that the pushing ring 9 can not be automatically loosened under the action of the barb of the outward turning buckle 15 to lock the position, a self-locking effect is achieved, the matched pipe 10 is conveniently locked and is not easy to fall off, and the hard seal is high-temperature resistant, wear resistant, good in mechanical property and long in service life.

the foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.