CN212986367U

CN212986367U - Continuous glass fiber or carbon fiber reinforced composite pipe joint

Info

Publication number: CN212986367U
Application number: CN202021398120.9U
Authority: CN
Inventors: 王洋
Original assignee: Individual
Current assignee: Shandong Industry Research Institute of Marine Engineering Co.,Ltd.
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-16
Anticipated expiration: 2030-07-16

Abstract

The utility model relates to a continuous glass fiber or carbon fiber reinforced composite pipe joint, which comprises a middle pipe body and joint pieces positioned at two ends of the middle pipe body, wherein the middle pipe body and the joint pieces comprise at least one winding layer made of continuous glass fiber or carbon fiber materials and casting layers positioned at two sides of the winding layer and coaxial with the winding layer, both ends of the inner wall of the middle pipe body are provided with a first ring groove and a second ring groove, a sealing ring is arranged between the third ring groove and the second ring groove of the joint pieces, a spring valve core is arranged inside the middle pipe body, the spring valve core comprises a guide plate positioned in a step groove, a valve rod penetrating through the outside of the guide plate and provided with a spring, and a valve plate positioned at the bottom of the spring and connected with the valve rod, and the outside of the valve plate is matched with the shape of the inner wall of the sealing ring, the, the quick-assembly connection can be sealed, and the phenomenon that other fluids flow backwards to influence the purity of the source fluid of the pipe fitting is avoided, so that the use requirement is met.

Description

Continuous glass fiber or carbon fiber reinforced composite pipe joint

Technical Field

The utility model relates to a continuous glass fiber or carbon fiber reinforced composite pipe joint belongs to continuous glass fiber or carbon fiber pipe goods technical field.

Background

The resin base pipe and the pipe joint product have the characteristics of light weight, corrosion resistance, no bad smell, easy processing and construction, can prevent soil chemical erosion, and are widely applied to building engineering, such as the pipe fitting of a tap water supply system of a house building, drainage, exhaust, sewage discharge treatment and the like, and the pipe joint is adopted to connect a pipeline to extend the pipeline when the pipeline is laid. Resin base coupling among the prior art generally adopts and connects and middle pipe body constitution with the fixed port of both sides pipeline, and unable sealed fast-assembling receives the water current impact stress effect down because the mechanical strength of body shaping structure is relatively poor, has the overflow risk of bursting, and unable automation is ended in the pipeline simultaneously, when having different fluid in the pipe-line system, has the risk that influences the purity of fluid source against the current, is difficult to satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a continuous glass fiber or carbon fiber reinforced composite coupling, adopt the winding layer of continuous glass fiber or carbon fiber, increase pouring layer structural strength as framework material and prevent the overflow that bursts, but seal the fast-assembling connection and avoid other fluid refluences to influence the fluidic purity of pipe fitting source to satisfy the user demand.

The utility model discloses a realize through following technical scheme:

a continuous glass fiber or carbon fiber reinforced composite pipe joint comprises a middle pipe body and joint pieces located at two ends of the middle pipe body, wherein each of the middle pipe body and the joint pieces comprises at least one winding layer made of continuous glass fiber or carbon fiber materials and casting layers located on two sides of the winding layer and coaxial with the winding layer;

the inner wall of the joint piece is provided with an internal thread matched with the external thread for use and a third ring groove positioned at the end part of the internal thread, a sealing ring is arranged between the third ring groove and the second ring groove, the sealing ring is provided with a limiting groove, and the outer wall of the joint piece is provided with a second hexagonal protrusion;

the middle pipe body is internally provided with a spring valve core positioned between first annular grooves at two ends, the middle pipe body is internally provided with a step groove positioned on one side of the first annular groove at one end and a sealing ring positioned on one side of the first annular groove at the other end, the spring valve core comprises a guide plate positioned in the step groove, a valve rod penetrating through the guide plate and provided with a spring, and a valve plate positioned at the bottom of the spring, connected with the valve rod and externally matched with the inner wall of the sealing ring in shape, and the guide plate is provided with a plurality of guide holes.

The utility model has the advantages that:

(1) the middle pipe body and the joint piece adopt winding layers of continuous glass fibers or carbon fibers as framework materials to increase the structural strength of the pouring layer, so that the forming structure can bear larger fluid stress and prevent bursting and overflowing;

(2) the sealing ring and the external flange of the pipe fitting are matched and inserted into the first annular groove, the first hexagonal bulge and the second hexagonal bulge are held by hands to facilitate operation, and the joint fitting is matched and screwed with the external thread of the outer wall of the middle pipe body through the internal thread of the inner wall, so that the sealed quick-assembly connection of the two pipe fittings is realized;

(3) connect back pipe fitting tip and support the guide plate tightly on the step groove, fluid pressure breaks away from the valve plate jack-up with the sealed face of sealing ring and compression spring realize switching on, in the pipe fitting of the other end flows into through the water conservancy diversion hole, the spring reply is once more ended when pressure drops, avoids other fluids to flow backwards and influences the fluidic purity of this pipe fitting source to satisfy the user demand.

Drawings

Fig. 1 is a top perspective view of the present invention.

Fig. 2 is a bottom perspective view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a cut-away view of the AA cross-sectional direction connecting pipe member of fig. 3.

Fig. 5 is a view showing a conductive state of the AA cross-sectional direction connecting pipe of fig. 3.

The labels in the figure are: the middle pipe body 1, the connector 2, the winding layer 3, the pouring layer 4, the external thread 5, the first hexagonal protrusion 6, the first annular groove 7, the second annular groove 8, the internal thread 9, the third annular groove 10, the sealing ring 11, the limiting groove 12, the second hexagonal protrusion 13, the spring valve core 14, the step groove 15, the sealing ring 16, the guide plate 141, the valve rod 142, the valve plate 143, the spring 17, the guide hole 18 and the pipe fitting 19.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

A continuous glass fiber or carbon fiber reinforced composite pipe joint comprises an intermediate pipe body 1 and joint pieces 2 positioned at two ends of the intermediate pipe body 1, wherein each of the intermediate pipe body 1 and the joint pieces 2 comprises at least one winding layer 3 made of continuous glass fiber or carbon fiber materials and casting layers 4 which are positioned at two sides of the winding layer 3 and are coaxial with the winding layer 3;

the outer wall of the middle pipe body 1 is provided with symmetrically arranged external threads 5 and first hexagonal protrusions 6 positioned between the symmetrical external threads 5, both ends of the inner wall of the middle pipe body 1 are provided with first annular grooves 7 and second annular grooves 8 which are coaxial and positioned outside the first annular grooves 7, the number of the winding layers 3 of the middle pipe body 1 is two, and the end parts of the two winding layers 3 are respectively arranged corresponding to the first annular grooves 7 and the second annular grooves 8;

the inner wall of the joint part 2 is provided with an internal thread matched with the external thread 5 and a third ring groove 10 positioned at the end part of the internal thread, the side walls of the end parts of the first ring groove 7, the second ring groove 8 and the third ring groove 10 are all in a circular truncated cone-shaped structure, a sealing ring 11 is arranged between the third ring groove 10 and the second ring groove 8, a limiting groove 12 is arranged on the sealing ring 11, the cross section of the limiting groove 12 is in an L-shaped structure, and a second hexagonal bulge 13 is arranged on the outer wall of the joint part 2;

the utility model discloses a spring valve, including middle body 1, be equipped with the spring valve core 14 that is located between the first annular 7 in both ends in middle body 1 inside, be equipped with the step groove 15 that is located the first annular 7 one side in one end and the sealing ring 16 that is located the first annular 7 one side of the other end in middle body 1, spring valve core 14 is including being located the guide plate 141 in step groove 15, passing guide plate 141 outside and being equipped with spring 17's valve rod 142 and being located spring 17 bottom and link to each other and outside and the 16 inner wall shape complex valve plate 143 of sealing ring with valve rod 142, be equipped with a plurality of water conservancy diversion holes 18 on the guide plate 141, valve.

The utility model discloses a theory of operation does:

the middle pipe body 1 and the joint piece 2 are molded by casting a resin base material positioned on the inner side of the winding layer 3 through a mold, then continuous glass fibers or carbon fibers are wound outside the inner side casting layer 4 through a continuous winding production process, and then the outer side casting layer 4 is cast and wound to obtain the middle pipe body 1 or the joint piece 2 in a molded shape, so that the winding layer 3 of the continuous glass fibers or the carbon fibers is used as a framework material to increase the strength, a molded structure can bear larger fluid stress, and burst and overflow are prevented;

referring to fig. 4, when two pipe fittings 19 are connected, the joint fitting 2 is firstly sleeved outside the pipe fitting 19 from one end of the pipe fitting 19, the limit groove 12 of the L-shaped structure of the seal ring 11 is matched with the flange outside the pipe fitting 19, the end part of the pipe fitting 19 is matched with the circular truncated cone-shaped structure inserted into the first ring groove 7 and the end part of the pipe fitting is matched with the first ring groove 7, when the pipe fitting needs to be stopped, the valve plate 143 of the spring valve core 14 with the valve rod 142 is placed on the seal ring 16 by arranging the step groove 15, the guide plate 141 is limited and placed on the step groove 15, the guide plate 141 is tightly pressed by the end part of the pipe fitting 19 to slightly compress the spring 17, and the slightly compressed spring 17 tightly presses the circular truncated cone-shaped guide plate 141 on;

then the joint piece 2 is matched and screwed with the external thread 5 on the outer wall of the middle pipe body 1 through the internal thread on the inner wall, the first hexagonal protrusion 6 and the second hexagonal protrusion 13 can be held by hands during screwing, so that the joint piece 2 tightly presses the sealing ring 11 between the third annular groove 10 and the second annular groove 8, the side walls of the end parts of the first annular groove 7, the second annular groove 8 and the third annular groove 10 are in a truncated cone-shaped structure, the contact surface of the middle pipe body 1 and the connecting pipe piece 19 is improved, and the sealing contact surfaces of the middle pipe body 1 and the joint piece 2 and the sealing ring 11 are improved, so that the sealing reliability is improved, and the sealing quick-assembly connection is;

referring to fig. 5, when fluid is introduced into the pipe 19 at one end, the fluid pressure lifts the valve plate 143 away from the sealing surface with the sealing ring 16, the valve rod 142 moves along the guide plate 141, the spring 17 compresses, so that the fluid flows into the pipe 19 at the other end through the guide hole 18 from the gap between the valve plate 143 and the middle pipe body 1, when the pressure of the fluid stops being introduced and decreases, the spring 17 returns to the stop state shown in fig. 4 again, thereby avoiding the backflow of the fluid, and when the pipe 19 is in a pipeline system of various fluids, the backflow of other fluids can be avoided to influence the purity of the fluid at the source of the pipe 19, so as to meet the use requirement.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the 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 present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A continuous glass fiber or carbon fiber reinforced composite pipe joint comprises a middle pipe body and joint pieces located at two ends of the middle pipe body, and is characterized in that the middle pipe body and the joint pieces respectively comprise at least one winding layer made of continuous glass fiber or carbon fiber materials and casting layers located on two sides of the winding layer and coaxial with the winding layer, outer walls of the middle pipe body are provided with symmetrically arranged external threads and first hexagonal protrusions located between the symmetrical external threads, and two ends of the inner wall of the middle pipe body are provided with first annular grooves and second annular grooves which are coaxial and located outside the first annular grooves;

be equipped with the internal thread that uses with the external screw thread fit on the joint spare inner wall and be located the third annular of internal thread tip, be equipped with the sealing washer between third annular and the second annular, be equipped with the spacing groove on the sealing washer, it is protruding to be equipped with the second hexagonal on the joint spare outer wall.

2. The continuous glass fiber or carbon fiber reinforced composite pipe joint according to claim 1, wherein the side walls of the end portions of the first ring groove, the second ring groove and the third ring groove are of a truncated cone-shaped structure.

3. The continuous glass fiber or carbon fiber reinforced composite pipe joint according to claim 1, wherein the limiting groove has an L-shaped cross section.

4. The continuous glass fiber or carbon fiber reinforced composite pipe joint according to claim 1, wherein the number of the winding layers of the intermediate pipe body is two, and the ends of the two winding layers are respectively disposed corresponding to the first ring groove and the second ring groove.

5. The continuous glass fiber or carbon fiber reinforced composite pipe joint according to any one of claims 1 to 4, wherein a spring valve core is arranged inside the middle pipe body and located between the first annular grooves at two ends.

6. The continuous glass fiber or carbon fiber reinforced composite pipe joint according to claim 5, wherein a step groove is formed in the middle pipe body on one side of the first ring groove at one end, and a sealing ring is formed in the other side of the first ring groove, the spring valve core comprises a guide plate located in the step groove, a valve rod penetrating through the outside of the guide plate and provided with a spring, and a valve plate located at the bottom of the spring and connected with the valve rod, wherein the outside of the valve plate is matched with the inner wall of the sealing ring in shape, and a plurality of guide holes are formed in the guide plate.

7. The continuous glass fiber or carbon fiber reinforced composite pipe joint according to claim 6, wherein the valve plate has a truncated cone-shaped structure.