CN218063879U

CN218063879U - Improved capillary tube joint

Info

Publication number: CN218063879U
Application number: CN202222391075.XU
Authority: CN
Inventors: 陈平
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-16
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of the pipe joint, especially, relate to an improved generation capillary tube joint, including connecting the body, this internal runner that is provided with of this joint, the one end that should connect the body is provided with and is linked together and be used for the connecting pipe be connected with the runner, the other end is provided with the water inlet, this joint body is close to the dismantled and assembled retaining member that is provided with of one end of connecting pipe, and form the annular installation cavity that can supply the capillary installation between this retaining member and the connecting pipe, be provided with in this annular installation cavity and carry out extruded closing device to the capillary, this closing device is including setting up the first retaining member that compresses tightly on the retaining member inner wall, the second of setting on the connecting pipe outer wall compresses tightly the piece, at first, pass the capillary tube retaining member, then establish the capillary tube on the connecting pipe, at last with retaining member and joint body threaded connection, need not install the fastener, need not consider how to push the fastener on the connecting pipe, whole structure cost is lower, and assemble laborsaving.

Description

Improved capillary tube joint

Technical Field

The utility model belongs to the technical field of pipe joint, especially, relate to an improved generation capillary tube connects.

Background

The joint is used for connecting parts among water pipes or between a water outlet of a faucet and the water pipes. In the process of using, the leakproofness and the stability of junction must be guaranteed to the water pipe head, if the fastening effect of joint to the water pipe is relatively poor, cause the water pipe to drop or the condition that the fracture leaked to the junction easily in the in-process of long-term use to influence daily use.

The utility model discloses a chinese utility model patent (CN 210716478U, published as 2020.06.09) discloses a capillary joint, and it has solved the relatively poor problem of current pipe joint fastening effect, and a capillary joint is including connecting the body, has seted up the runner in connecting the body, has the connecting pipe that is linked together with the runner on connecting the body, has the linkage segment on the connecting pipe, and connecting pipe outer wall threaded connection has the retaining member, sets up the through-hole that can supply the capillary to pass on the retaining member, the linkage segment outer wall with set up the tighrening ring between the retaining member inner wall, when the capillary passes the retaining member cover and locates on the linkage segment, the inner wall of tighrening ring can form the extrusion to the capillary, and the recess that leans on with the tighrening ring inner end is seted up to connecting pipe one end, and the retaining member inner wall has the boss that leans on mutually with the tighrening ring outer end, has seted up the elasticity breach on the tighrening ring.

However, the inventors have found that the capillary joints of the above patents have at least the following disadvantages:

in the above-mentioned capillary joint assembling process, firstly, the capillary needs to be sleeved on the connecting section of the connecting pipe and locked and fixed by the fastening ring, and finally the locking piece is screwed into the connecting body, but it is found that it is very laborious in the fastening-in process of the fastener and the screwing-in and locking process of the locking piece, because the fastening ring and the connecting section press the capillary, and the friction force between the fastening ring and the connecting section is relatively large, so that the fastener is very laborious to move and push the fastener to move and fix inwards in the screwing-in process of the locking piece, and the inventor is prompted to improve the joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation capillary coupling solves the more strenuous problem in the present capillary coupling connection assembling process.

In order to realize the above object, the utility model provides a pair of improved generation capillary joint, including connecting the body, this internal runner that is provided with of this joint, the one end that should connect the body is provided with and is linked together and be used for the connecting pipe be connected with the capillary with the runner, the other end is provided with the water inlet, this joint body is close to the dismantled and assembled retaining member that is provided with of one end of connecting pipe, this retaining member cover is established outside the connecting pipe, and form the annular installation cavity that can supply the capillary installation between this retaining member and the connecting pipe, be provided with in this annular installation cavity and carry out extruded closing device to the capillary, this closing device is including setting up the first piece that compresses tightly on the retaining member inner wall, the second of setting on the connecting pipe outer wall compresses tightly the piece.

Preferably, the first compressing member includes a convex ring disposed on the inside of the locking member, and the second compressing member includes a plurality of annular protrusions arranged on the outer wall of the connecting tube, the convex ring being matched with the protrusions and compressing the capillary tube.

Preferably, the collar is located adjacent the outer end of the retaining member.

Preferably, one end of the convex ring close to the water inlet is provided with a first inclined surface capable of extruding the outer wall of the capillary tube.

Preferably, the end of the convex ring far away from the water inlet is provided with a second inclined surface.

Preferably, the joint body is provided with at least two connecting pipes which are distributed at intervals.

Preferably, a connecting joint for water inlet is further arranged at one end of the joint body close to the water inlet, and a channel communicated with the flow channel is arranged in the connecting joint in a penetrating manner.

Preferably, the connection joint is rotatably connected with the joint body through a connection device.

Preferably, the connecting device comprises a first annular groove arranged on the inner wall of the connecting joint, a second annular groove arranged on the outer wall of the joint body and matched with the first annular groove, and a clamping spring arranged in the first annular groove and the second annular groove.

Preferably, the end of the water inlet is sleeved with a sealing ring for sealing between the connecting joint and the joint body.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the capillary joint have following technological effect at least:

1. at capillary coupling and capillary connection in-process, at first pass the retaining member with the capillary, then establish the capillary cover on the connecting pipe, at last with retaining member and joint body threaded connection, at retaining member screw in-process, progressively bring the capillary into annular installation intracavity, and at last the capillary is compressed tightly the piece by first piece and the second and is fixed in annular installation intracavity, realize the connection of capillary, need not install the fastener, need not consider how to push the fastener on the connecting pipe, whole structural cost is lower, and the assembly is laborsaving.

2. Under the effect on first inclined plane for the retaining member plays the effect of direction boosting to the capillary at the screw in-process, makes the retaining member screw the in-process more smoothly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a first cross-sectional view of a capillary joint assembly according to an embodiment of the present invention;

fig. 2 is a side view of a capillary joint fitting structure according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 2 according to an embodiment of the present invention;

fig. 4 is a sectional view of a capillary joint fitting structure according to an embodiment of the present invention;

FIG. 5 is a side view of a capillary fitting mounting structure in accordance with an embodiment of the present invention;

fig. 6 is a cross-sectional view taken along the line B-B of fig. 5 according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a retaining member according to an embodiment of the present invention.

Description of the main reference numerals: 1. a connector body; 2. a flow channel; 3. a connecting pipe; 4. a locking member; 5. an annular mounting cavity; 6. a pressing device; 61. a first pressing member; 611. a first inclined surface; 612. a second inclined surface; 62. a second pressing member; 7. connecting a joint; 8. a channel; 9. a connecting device; 91. a first annular groove; 92. a second annular groove; 93. a clamp spring; 10. a seal ring; 11. a capillary tube.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description of the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, an improved capillary tube joint is provided, refer to fig. 1, fig. 3, fig. 4 and fig. 6, including the joint body 1, be provided with runner 2 in the joint body 1, the one end of the joint body 1 is provided with connecting pipe 3 that is linked together with runner 2 and is used for being connected with capillary 11, the other end is provided with the water inlet, the water of water inlet passes through runner 2, connecting pipe 3 is carried to the interior of capillary 11, the quantity of connecting pipe 3 is set for according to actual conditions, refer to fig. 2 and fig. 5, be provided with two or three connecting pipes 3 on the joint body 1, each connecting pipe 3 is the equal circumference interval setting, improve the utilization ratio of whole capillary tube joint, this joint body 1 is close to the dismantled and assembled retaining member 4 of one end of connecting pipe 3, this retaining member 4 cover is established outside connecting pipe 3, and form the annular installation cavity 5 that can supply capillary 11 to install between this retaining member 4 and the connecting pipe 3, retaining member 4 can adopt but not confine the smooth jam nut, carry out dismantled and assembled connection with joint body 1 through smooth jam nut, be provided with closing device 6 that extrudes capillary 11 in this annular installation cavity 5, this closing device 6 is including the setting up the setting of the first closing member 61 that sets up on the inner wall of connecting pipe 3, the second closing member 62 on the connecting pipe. The capillary tube 11 is pressed mainly by the first pressing member 61 and the second pressing member 62, so that the capillary tube 11 can be stably mounted on the joint body 1. The specific process of assembling the capillary tube 11 and the capillary tube joint is as follows: in the process of connecting the capillary tube joint and the capillary tube 11, firstly, the capillary tube 11 penetrates through the sliding nut, then, the capillary tube 11 is sleeved on the connecting tube 3, finally, the sliding nut is in threaded connection with the joint body 1, in the screwing-in process of the sliding nut, the capillary tube 11 is gradually brought into the annular mounting cavity 5, and finally, the capillary tube 11 is fixed in the annular mounting cavity 5 through the first pressing piece 61 and the second pressing piece 62, so that the connection of the capillary tube 11 is realized, a fastener is not required to be installed, how to push the fastener into the connecting tube 3 is not required to be considered, the whole structure cost is lower, and the assembly is labor-saving.

In another embodiment of the present invention, referring to fig. 3, fig. 6 and fig. 7, this embodiment provides an assembly structure that can be used for the first pressing member 61 and the second pressing member 62, specifically: this first piece 61 that compresses tightly is including setting up the bulge loop on retaining member 4 is inside, this second compresses tightly 62 and is protruding including arranging a plurality of rings that set up on connecting pipe 3 outer wall, this bulge loop matches with the arch and extrudees capillary 11, each protruding range of annular makes connecting pipe 3 form "pagoda joint", at the smooth tight nut in-process of screwing, the lug can drive the inside removal of capillary 11 case installation cavity, set up the bulge loop position in the outer end that is close to retaining member 4, make the bulge loop compress tightly capillary 11 and connecting pipe 3 outer end hookup location, improve capillary 11 and connecting pipe 3's stability of being connected. In order to make the nut and the capillary 11 move more smoothly, a first inclined surface 611 capable of extruding the outer wall of the capillary 11 is arranged at one end of the convex ring close to the water inlet, and in the moving process of the convex ring, the first inclined surface 611 always abuts against the outer wall of the capillary 11, so that the first inclined surface 611 plays a role of guiding and boosting the capillary 11 during moving, and the whole capillary 11 is assembled more smoothly, a second inclined surface 612 is arranged at one end of the convex ring far away from the water inlet, and the second inclined surface 612 is mainly equivalent to enlarging the caliber of the outer end of the nut for sliding tightly, so that the outer port of the nut for sliding tightly cannot contact with the outer wall of the capillary 11 as much as possible, and therefore, resistance of the outer port to the capillary 11 can be prevented, the assembling smoothness is further improved, and in order to improve the stability of the convex ring and the protrusions for extruding the capillary 11, stripes can be arranged at intervals in the circumferential direction inside of the convex ring, and the connection of the capillary 11 is more stable. Of course, the first pressing member 61 and the second pressing member 62 are not limited to the above-mentioned structure of the convex ring and the protrusion, and the shape and size of the first pressing member 61 and the second pressing member 62 may be set according to actual situations.

In another embodiment of the present invention, referring to fig. 1, 3, 4 and 6, the end of the connector body 1 near the water inlet is further provided with a connection joint 7 for water inlet, a channel 8 communicated with the flow channel 2 is disposed through the connection joint 7, water can flow into the flow channel 2 from the channel 8, and finally flows into the capillary 11 through the connection pipe 3. The connecting joint 7 is rotatably connected with the joint body 1 through a connecting device 9. The connection device 9 comprises a first annular groove 91 arranged on the inner wall of the connection joint 7, a second annular groove 92 arranged on the outer wall of the connection joint body 1 and matched with the first annular groove 91, and clamp springs 93 arranged in the first annular groove 91 and the second annular groove 92, wherein the clamp springs 93 mainly play a role in connection and limiting between the first annular groove 91 and the second annular groove 92, and in order to improve the water tightness of the connection position of the connection joint body 1 and the connection joint 7, a sealing ring 10 used for sealing between the connection joint 7 and the connection joint body 1 is sleeved at the end part of a water inlet, and the shape and the number of the sealing ring 10 can be set according to actual conditions.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an improved generation capillary coupling, includes and connects body (1), is provided with runner (2) in this joint body (1), and the one end of this joint body (1) is provided with and is linked together and be used for connecting pipe (3) be connected with capillary (11) with runner (2), and the other end is provided with water inlet, its characterized in that: this connect body (1) to be close to the dismantled and assembled retaining member (4) that is provided with of one end of connecting pipe (3), this retaining member (4) cover is established outside connecting pipe (3), and form annular installation cavity (5) that can supply capillary (11) to install between this retaining member (4) and connecting pipe (3), be provided with in this annular installation cavity (5) and carry out extruded closing device (6) to capillary (11), this closing device (6) compress tightly piece (61) including setting up first on retaining member (4) inner wall, the second of setting on connecting pipe (3) outer wall compresses tightly piece (62).

2. The improved capillary joint of claim 1, wherein: the first pressing piece (61) comprises a convex ring arranged on the inner part of the locking piece (4), the second pressing piece (62) comprises a plurality of annular bulges arranged on the outer wall of the connecting pipe (3), and the convex ring is matched with the bulges and extrudes the capillary tube (11).

3. The improved capillary joint of claim 2, wherein: the convex ring is positioned close to the outer end of the locking piece (4).

4. The improved capillary joint of claim 3, wherein: one end of the convex ring close to the water inlet is provided with a first inclined surface (611) which can extrude the outer wall of the capillary tube (11).

5. The improved capillary joint of claim 3 or 4, wherein: the end of the convex ring far away from the water inlet is provided with a second inclined surface (612).

6. The improved capillary fitting of claim 1, wherein: the joint body (1) is provided with at least two connecting pipes (3) which are distributed at intervals.

7. The improved capillary fitting of claim 1, wherein: one end of the joint body (1) close to the water inlet is also provided with a connecting joint (7) for water inlet, and a channel (8) communicated with the flow channel (2) penetrates through the connecting joint (7).

8. The improved capillary fitting of claim 7, wherein: the connecting joint (7) is rotatably connected with the joint body (1) through a connecting device (9).

9. The improved capillary fitting of claim 8, wherein: the connecting device (9) comprises a first annular groove (91) arranged on the inner wall of the connecting joint (7), a second annular groove (92) arranged on the outer wall of the joint body (1) and matched with the first annular groove (91), and a clamp spring (93) arranged in the first annular groove (91) and the second annular groove (92).

10. The improved capillary joint of claim 7, wherein: the end part of the water inlet is sleeved with a sealing ring (10) used for sealing between the connecting joint (7) and the joint body (1).