CN217714075U - Quick connection pipe fitting and pipeline - Google Patents

Abstract

The utility model provides a quick connect pipe fitting and pipeline relates to the pipe connection field. This quick-connect pipe fitting includes the pipe fitting main part, the sealing washer, the taper type pad, the elasticity ring gear, outer shell cover and pressure cover, the at least one end of pipe fitting main part is provided with annular body, be provided with in the body and hold the jack, the opening part that holds the jack is provided with the shoulder hole, outer shell cover's one end is provided with annular hole, annular hole is provided with and is used for dismantling the connecting portion of being connected with the body and keeps off the ring, the inner circle that keeps off the ring is provided with the bulge loop, the sealing washer sets up in the shoulder hole, the taper type pad is installed between sealing washer and fender ring with the elasticity ring gear, the elasticity ring gear is provided with the latch, the both ends of pressing the cover are provided with pressure-bearing ring and toper knot respectively, form the sliding tray between pressure-bearing ring and the toper knot, the toper is inserted and is located downthehole and the bulge loop card and locates in the sliding tray in the annular, the toper is detained and is used for leaning on to lean on elasticity ring gear and optionally push away the latch. The whole structure is simple, the production cost is low, the production and assembly efficiency is high, and the popularization is facilitated.

Description

Quick connecting pipe fitting and pipeline

Technical Field

The utility model relates to a pipe connection field particularly, relates to a quick connection pipe fitting and pipeline.

Background

In the existing pipeline connection field, compared with the conventional pipe fittings such as a clamping type pipe fitting, a nut clamping sleeve type pipe fitting and the like, the external sealing type connecting pipe fitting capable of being quickly connected and installed has the advantages of convenience and rapidness in installation and disassembly, large flowing water drift diameter and high construction efficiency, so that the connecting technology is more and more emphasized by the pipeline industry, and is widely applied to the pipeline connection field. However, although such a pipe member has the above advantages, it also has inevitable disadvantages such as low production and assembly efficiency due to the complicated structure of the pipe member, so that the production cost of the connecting pipe member is high and the popularization difficulty is increased.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick-connect pipe fitting and pipeline, its assembly, easy operation can be accomplished fast to it includes, for example.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, the utility model provides a quick connection pipe fitting, including pipe fitting main part, sealing washer, tapered pad, elasticity ring gear, outer shell and pressure cover, at least one end of pipe fitting main part is provided with annular body, be provided with the socket hole that supplies tubular product to insert in the body, the opening part of socket hole is provided with the shoulder hole, one end of outer shell is provided with annular hole, the position that the annular hole is close to the port is provided with the connecting portion that is used for with the detachable connection of body; the position that the port was kept away from to annular hole is provided with and keeps off the ring, the inner circle of keeping off the ring is provided with the bulge loop, the sealing washer set up in the shoulder hole, the toper fill up with elasticity ring gear install in proper order in the sealing washer with keep off between the ring, elasticity ring gear is provided with and is used for the card to establish the latch of tubular product, the both ends of pressing the cover are provided with pressure-bearing ring and toper respectively and detain, the pressure-bearing ring with form the sliding tray between the toper is detained, the toper is detained and is inserted and is located downthehole just in the annular bulge loop card is located in the sliding tray, the sliding tray is for the bulge loop is slidable, the toper is detained and is used for leaning on elasticity ring gear and selectively backs down the latch.

In an alternative embodiment, the tube body and the connecting part are detachably connected through an elastic snap ring; an annular outer groove is formed in the outer circle of the pipe body, the elastic clamping ring is arranged in the annular outer groove and is clamped or in threaded connection with the connecting portion, when the elastic clamping ring is clamped with the connecting portion, the connecting portion is an annular inner groove, and the elastic clamping ring is clamped in the annular inner groove; when the elastic clamping ring with during connecting portion threaded connection, the outer face of cylinder of elastic clamping ring is provided with the external screw thread, the inner wall of annular hole be provided with external screw thread fit's internal thread.

In an optional embodiment, a stop buckle is arranged on the elastic snap ring, and a plurality of buckle grooves matched with the stop buckle are arranged at a port of the outer shell close to the connecting part.

In an alternative embodiment, an end of the elastic snap ring, which is far away from the outer casing, is provided with an annular flange, an end face of the outer casing abuts against an end face of the annular flange, and the annular flange is polygonal in shape.

In an alternative embodiment, a resilient annular filler is provided between the resilient snap ring and the annular outer groove.

In optional embodiment, the quick-connect pipe fitting still includes interior support piece, the one end of interior support piece is provided with and can inserts the pipe spare of tubular product, interior support piece is kept away from the one end of pipe spare still is provided with the inserted sheet that is used for judging connection status, its open-ended one end is kept away from to the socket hole is provided with the first dogtooth of circumference equipartition, be provided with the second dogtooth on the inserted sheet, first dogtooth with the meshing of second dogtooth.

In an optional embodiment, a convex rib is arranged between the inserting sheet and the round pipe fitting, and the outer diameter of the convex rib is larger than the inner diameter of the pipe.

In an optional embodiment, the threaded end of the elastic snap ring, the conical buckle and the inserting piece are provided with notches convenient for insertion.

In alternative embodiments, the tube body comprises a straight tube, an elbow tube, or a tee.

In a second aspect, the present invention provides a pipe comprising at least two pipes and a quick connect fitting as in any of the preceding embodiments, at least two adjacent pipes being connected by the quick connect fitting.

The utility model discloses beneficial effect includes, for example:

the embodiment of the utility model provides a quick-connect pipe fitting, it realizes the inserting of tubular product through the bell and spigot hole that sets up on the body, the sealing washer can realize the sealing connection of body and tubular product, avoid the interior fluidic emergence of tubular product to reveal, the chucking and the fixing of tubular product can be realized to the elasticity ring gear, and the setting of outer shell cover can be realized being connected to its detachable on the body, and realize the sealing washer, the conical pad is fixed with the elasticity ring gear, and the setting of pressure cover can make it extrude the elasticity ring gear under the effect that receives the external force, make the latch on the elasticity ring gear not hard up, and then realize the dismantlement of tubular product. Consequently, the quick connection pipe fitting that this application provided can realize the installation and the dismantlement of tubular product fast, and its overall structure is simple, low in production cost, and production assembly efficiency is high, does benefit to the popularization. Furthermore, the utility model discloses the installation of pipeline is convenient with the dismantlement, very big promotion the efficiency of construction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a three-dimensional exploded view of a quick-connect pipe fitting provided by an embodiment of the present invention;

fig. 2 is a cross-sectional view of a quick connect fitting provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of the connection state of the quick connection pipe fitting and the pipe provided by the embodiment of the present invention.

An icon: 100-quick connecting pipe fittings; 110-a tube body; 111-a tube body; 112-socket hole; 113-a stepped bore; 114-annular outer groove; 115-first teeth; 120-a snap ring; 121-annular filler; 122-external threads; 123-stop buckle; 124-annular flange; 125-first gap; 130-a sealing ring; 140-a tapered pad; 150-an elastic gear ring; 151-latch; 160-an outer shell; 161-annular inner bore; 162-a connecting portion; 163-baffle ring; 164-a convex ring; 165-catching groove; 170-pressing a sleeve; 171-a pressure-bearing ring; 172-taper button; 173-sliding groove; 174-a second notch; 180-inner stay; 181-round pipe fitting; 182-a plug-in sheet; 183-lugs; 184-a third gap; 185-second lobe; 200-pipe material.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1 and 2, the present embodiment provides a quick connecting pipe 100, which includes a pipe body 110, an elastic snap ring 120, a sealing ring 130, a tapered pad 140, an elastic ring 150, an outer shell 160, a pressing sleeve 170, and an inner support 180. In the present application, the pipe body 110 may be a straight pipe, an elbow pipe or a tee pipe, and an example of the embodiment is described with reference to an equal-diameter straight pipe.

In this embodiment, at least one end of the pipe main body 110 is provided with an annular pipe 111, since the pipe main body 110 in this embodiment is an equal-diameter straight pipe, both ends of the pipe main body are provided with the annular pipe 111, and the annular pipe 111 at any end is connected with the elastic snap ring 120, the sealing ring 130, the conical pad 140, the elastic ring gear 150, the outer shell 160, the pressing sleeve 170 and the inner support member 180, and then, one end is mainly explained, and the other end is symmetrically arranged with the pipe main body, and the structure is completely the same.

The pipe body 111 is provided with a socket hole 112 for inserting the pipe 200, a stepped hole 113 is arranged at the opening of the socket hole 112, and the inner diameter of the stepped hole 113 is larger than that of the socket hole 112, so that the sealing ring 130, the tapered pad 140 and the elastic gear ring 150 can be conveniently installed. In this embodiment, an outer annular groove 114 is formed in an outer circumference of the pipe body 111, the outer annular groove 114 is used for installing an elastic snap ring 120, and meanwhile, first convex teeth 115 are uniformly distributed in the circumferential direction at one end of the socket hole 112 away from the opening.

One end of the outer casing 160 is provided with an annular inner hole 161, and a connecting part 162 for detachably connecting with the pipe body 111 is arranged at a position of the annular inner hole 161 close to the port; the annular inner hole 161 is provided with a baffle ring 163 at a position far away from the port, and the inner ring of the baffle ring 163 is provided with a convex ring 164.

Specifically, in the present embodiment, the tube 111 and the connecting portion 162 are detachably connected by the elastic snap ring 120; elastic clamping ring 120 is the loop configuration, be equipped with outer groove 114 of annular on the excircle of body 111, elastic clamping ring 120 sets up in outer groove 114 of annular, be provided with on the elastic clamping ring 120 and be convenient for the cover to locate the first breach 125 of body 111, the setting up of first breach 125 makes elastic clamping ring's diameter can change, more easily the cover is located on body 111, set up elastic annular filler 121 between elastic clamping ring 120 and the outer groove 114 of annular, the setting up of annular filler 121 can make elastic clamping ring 120 and the outer groove 114 of annular be connected inseparabler, the not hard up condition of elastic clamping ring 120 is avoided appearing, this annular filler 121's cross sectional shape can be circular, squarely, trapezoidal elastic material.

The elastic snap ring 120 and the connecting portion 162 are detachably connected by means of clamping or threads. When the elastic snap ring 120 is clamped with the connecting part 162, the pipe body 111 and the outer casing 160 are clamped and assembled, at this time, the connecting part 162 is an annular inner groove, and the elastic snap ring 120 is clamped in the annular inner groove; when the elastic clamping ring 120 is in threaded connection with the connecting portion 162, the pipe body 111 and the outer casing 160 are assembled in a threaded connection manner, at this time, the outer cylindrical surface of the elastic clamping ring 120 is provided with the external thread 122, and the inner wall of the annular inner hole 161 is provided with the internal thread matched with the external thread 122.

The snap ring 120 is provided with a stop buckle 123, and the end of the outer casing 160 close to the connecting portion 162 is provided with a plurality of buckle grooves 165 which are matched with the stop buckle 123. When the snap ring 120 is completely connected to the outer shell 160, the stopper 123 is engaged with the groove 165 to prevent the snap ring 120 from being released from the outer shell 160. In addition, in the present application, an end of the snap ring 120 away from the casing 160 is provided with an annular flange 124, an end face of the casing 160 abuts against an end face of the annular flange 124, and the annular flange 124 is polygonal in shape. The provision of the annular flange 124 may facilitate the snap ring 120 to be clamped during assembly, which may facilitate easier assembly.

The sealing ring 130 is disposed in the stepped hole 113, and the sealing ring 130 is disposed to ensure the sealing between the pipe 200 and the pipe body 111 of the embodiment, thereby preventing the fluid in the pipe 200 from leaking.

The tapered pad 140 and the elastic ring gear 150 are sequentially installed between the sealing ring 130 and the baffle ring 163, wherein one end of the tapered pad has a step shape, a part of the tapered pad is clamped in the stepped hole 113, the other part of the tapered pad abuts against the round end surface of the pipe, and the other end of the tapered pad is tapered and is embedded in the elastic ring gear 150. The elastic gear ring 150 is provided with a latch 151 for latching the pipe 200, and the latch 151 can clamp and fix the pipe 200 extending into the socket hole 112 of the pipe body 111.

The two ends of the pressing sleeve 170 are respectively provided with a bearing ring 171 and a taper buckle 172, a sliding groove 173 is formed between the bearing ring 171 and the taper buckle 172, the bearing ring 171 is located on the inner side of one end of the outer casing 160 away from the connecting portion 162, in this application, one end of the outer casing 160 away from the connecting portion 162 is of an arc-shaped structure, and the arc-shaped circle center is located inside the outer casing 160, such an arrangement can directly press the outer casing 160 to further press the bearing ring 171, in this embodiment, the taper buckle 172 is provided with a second notch 174 convenient for inserting the taper buckle 172, the taper buckle 172 is inserted into the annular inner hole 161 and the convex ring 164 is clamped in the sliding groove 173, the sliding groove 173 is slidable relative to the convex ring 164, and the taper buckle 172 is used for abutting against the elastic gear ring 150 and selectively ejecting the latch 151; when pressure is applied to the pressure bearing ring 171, the pressure bearing ring 171 can push the sliding groove 173 to slide relative to the convex ring 164, and further push the conical buckle 172 to move towards the direction close to the elastic gear ring 150, at this time, the conical buckle 172 pushes the latch 151 of the elastic gear ring 150 open, and the pipe 200 fixed by the elastic gear ring 150 can be easily disassembled.

The inner supporting piece 180 is used for inserting the pipe 200 into the socket hole 112 of the pipe body 111, in this embodiment, one end of the inner supporting piece 180 is provided with a round pipe 181 capable of being inserted into the pipe 200, one end of the inner supporting piece 180, which is far away from the round pipe 181, is further provided with an insertion piece 182 for judging a connection state, a convex rib 183 is arranged between the insertion piece 182 and the round pipe 181, and the outer diameter of the convex rib 183 is larger than the inner diameter of the pipe 200. The pipe member 181 can be directly inserted into the pipe member 200, the insertion depth of the pipe member 181 is limited by the protruding rib 183, then the pipe member 200 (i.e., the portion of the insert 182) inserted with the pipe member 181 is inserted into the socket hole 112 of the pipe body 111, the insert 182 is provided with a third notch 184 for facilitating insertion, and in the insertion process, the pipe member 200 is fixed by the latch 151 of the elastic gear ring 150, so that the pipe member 200 is assembled. In addition, in the present application, the second convex tooth 185 is arranged on the inserting sheet 182, the first convex tooth 115 and the second convex tooth 185 arranged in the socket hole 112 are engaged, and the first convex tooth 115 and the second convex tooth 185 can vibrate or make a sound when engaged, which can prove that the pipe 200 is in place, and if there is no vibration or sound, prove that the pipe 200 is not in place. The arrangement of first lobe 115 and second lobe 185 facilitates the judgment of the spigot and socket position by the assembler. When the pipe 200 needs to be taken out, the pressure-bearing ring 171 is pressed to move the pressure-bearing ring 171 toward the elastic gear ring 150, and when the taper buckle 172 pushes the latch 151 of the elastic gear ring 150 open, the pipe 200 can be taken out.

Referring to fig. 1, fig. 2 and fig. 3, the working principle of the quick connecting pipe 100 according to the present embodiment is as follows: the elastic clamping ring 120 is arranged in the annular outer groove 114 of the pipe body 111, then the sealing ring 130 is arranged in the stepped hole 113, the tapered pad 140 and the elastic gear ring 150 are sequentially arranged on one side, away from the stepped hole 113, of the sealing ring 130, the outer shell 160 is arranged at the same time, the outer shell 160 is connected with the elastic clamping ring 120 in a clamping or threaded manner, after the connection is in place, the stop buckle 123 on the elastic clamping ring 120 is matched with the buckle groove 165 on the outer shell 160, the phenomenon that the elastic clamping ring 120 and the outer shell 160 are loosened is avoided, at the moment, the stop ring 163 of the outer shell 160 realizes that the tapered pad 140 and the elastic gear ring 150 are abutted, after the outer shell 160 is arranged, the tapered buckle 172 of the pressing sleeve 170 is inserted into the annular inner hole 161 of the outer shell 160, the convex ring 164 of the outer shell 160 is clamped in the sliding groove 173 of the pressing sleeve 170, the tapered buckle 172 abuts against the elastic gear ring 150, and the bearing ring 171 is positioned below the inner side of the outer shell 160.

When the pipe 200 is installed, the round pipe 181 of the inner support member 180 is inserted into the port of the pipe 200, the port of the pipe 200 is inserted into the socket hole 112 of the pipe 111, and then the pipe 200 is rotated until the first convex tooth 115 and the second convex tooth 185 are engaged and generate vibration or sound, so that the socket is proved to be in place, and if no vibration or sound exists, the pipe 200 is proved not to be in place. When the pipe 200 is disassembled, the pressure-bearing ring 171 is pressed to move the pressure-bearing ring 171 toward the elastic ring gear 150, and when the tapered buckle 172 pushes open the latch 151 of the elastic ring gear, the pipe 200 can be taken out.

Furthermore, the utility model also provides a pipeline, it includes two at least tubular products 200 and above-mentioned quick-connect pipe fittings 100, connects through quick-connect pipe fittings 100 between two at least adjacent tubular products 200.

To sum up, the embodiment of the utility model provides a quick-connect pipe fitting 100, it realizes the insertion of tubular product 200 through the bell and spigot hole 112 that sets up on the body 111, sealing washer 130 can realize the sealing connection of body 111 with tubular product 200, avoid the interior fluid emergence of tubular product 200 to reveal, elasticity ring gear 150 can realize the chucking and the fixing of tubular product 200, and the setting of shell cover 160 can realize being connected to its detachable on body 111, and realize sealing washer 130, conical pad 140 and elasticity ring gear 150's fixing, and the setting of pressure cover 170 can make it extrude elasticity ring gear 150 under the effect of receiving the external force, make latch 151 on the elasticity ring gear 150 not hard up, and then realize the dismantlement of tubular product 200. Therefore, the quick-connection pipe fitting 100 provided by the application can quickly realize the installation and the disassembly of the pipe 200, and is simple in overall structure, low in production cost, high in production and assembly efficiency and beneficial to popularization. Furthermore, the utility model discloses the installation of pipeline is convenient with the dismantlement, very big promotion the efficiency of construction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A quick connection pipe fitting is characterized by comprising a pipe fitting main body, a sealing ring, a conical pad, an elastic gear ring, an outer shell and a pressing sleeve, wherein at least one end of the pipe fitting main body is provided with an annular pipe body, a bearing hole for inserting a pipe is formed in the pipe body, a stepped hole is formed in the opening of the bearing hole, an annular inner hole is formed in one end of the outer shell, and a connecting part detachably connected with the pipe body is arranged at the position, close to a port, of the annular inner hole; the position that the port was kept away from to annular hole is provided with and keeps off the ring, the inner circle of keeping off the ring is provided with the bulge loop, the sealing washer set up in the shoulder hole, the toper fill up with elasticity ring gear install in proper order in the sealing washer with keep off between the ring, elasticity ring gear is provided with and is used for the card to establish the latch of tubular product, the both ends of pressing the cover are provided with the pressure-bearing ring respectively and the toper is detained, the pressure-bearing ring with form the sliding tray between the toper is detained, the toper is detained and is inserted and is located in the annular hole just the bulge loop card is located in the sliding tray, the sliding tray for the bulge loop is slidable, the toper is detained and is used for supporting to lean on elasticity ring gear and selectively back open the latch.

2. The quick connect fitting of claim 1, wherein said tubular body is removably connected to said connection portion by a snap ring; an annular outer groove is arranged on the excircle of the pipe body, the elastic snap ring is arranged in the annular outer groove and is clamped with the connecting part or in threaded connection,

when the elastic clamping ring is clamped with the connecting part, the connecting part is an annular inner groove, and the elastic clamping ring is clamped in the annular inner groove;

when the elastic clamping ring with during connecting portion threaded connection, the outer face of cylinder of elastic clamping ring is provided with the external screw thread, the inner wall of annular hole be provided with external screw thread fit's internal thread.

3. The quick connect fitting of claim 2, wherein said snap ring includes a retaining clip, and said outer shell includes a plurality of grooves formed in a portion thereof adjacent said connection portion for engaging said retaining clip.

4. The quick connect fitting of claim 2, wherein an end of said snap ring remote from said outer housing is provided with an annular flange, an end surface of said outer housing abuts against an end surface of said annular flange, and said annular flange is polygonal in shape.

5. The quick connect fitting of claim 2, wherein a resilient annular filler is disposed between said snap ring and said outer annular groove.

6. The quick-connect pipe fitting of claim 2, characterized in that, the quick-connect pipe fitting further comprises an inner support member, one end of the inner support member is provided with a round pipe fitting capable of being inserted into the pipe, one end of the inner support member far away from the round pipe fitting is further provided with an insertion sheet for judging a connection state, one end of the bearing hole far away from the opening thereof is provided with first convex teeth uniformly distributed in the circumferential direction, the insertion sheet is provided with second convex teeth, and the first convex teeth are meshed with the second convex teeth.

7. The quick connect fitting of claim 6, wherein a rib is disposed between said male tab and said circular fitting, said rib having an outer diameter greater than an inner diameter of said tubing.

8. The quick connect fitting of claim 6, wherein the threaded end of said snap ring, said tapered button and said insert are provided with notches for easy insertion.

9. The quick connect pipe of claim 1, wherein the pipe body comprises a straight pipe, an elbow pipe, or a tee pipe.

10. A pipe, characterized in that it comprises at least two pipes and a quick-connect fitting according to any one of claims 1-9, between at least two adjacent said pipes being connected by said quick-connect fitting.

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