阅读说明：本技术 一种两通pp管接头 (Two-way PP pipe joint ) 是由 陈俏俏 张文浩 于 2021-01-12 设计创作，主要内容包括：本发明公开了一种两通PP管接头,涉及两通管技术领域,包括接头本体,所述接头本体外表面两侧均开设有外螺纹,所述接头本体两端中部均设置有连接套管,所述连接套管外表面中部开设有密封槽,所述密封槽内部安装有橡胶密封环,所述接头本体两端边部均等距开设有定位卡槽,所述接头本体两端靠近定位卡槽处安装有橡胶密封垫,所述橡胶密封垫外表面边部等距设置有定位卡柱,所述接头本体外表面两侧均安装有连接螺帽。本发明通过橡胶密封环,可以对软管的安装进行初步密封,通过橡胶密封垫的适应,可以对软管的安装进行二次密封,通过两次密封,可以提高软管安装时的密封性能,避免软管与两通PP管接头连接处在使用时出现漏水的现象。(The invention discloses a two-way PP pipe joint, which relates to the technical field of two-way pipes and comprises a joint body, wherein external threads are arranged on two sides of the outer surface of the joint body, connecting sleeves are arranged in the middle parts of two ends of the joint body, a sealing groove is arranged in the middle part of the outer surface of each connecting sleeve, a rubber sealing ring is arranged in each sealing groove, positioning clamping grooves are formed in the edge parts of two ends of the joint body at equal intervals, rubber sealing gaskets are arranged at the positions, close to the positioning clamping grooves, of two ends of the joint body, positioning clamping columns are arranged on the edge parts of the outer surface of each rubber sealing gasket at. The invention can carry out primary sealing on the installation of the hose through the rubber sealing ring, can carry out secondary sealing on the installation of the hose through the adaptation of the rubber sealing gasket, can improve the sealing performance of the hose during the installation through the secondary sealing, and avoids the phenomenon of water leakage at the joint of the hose and the two-way PP pipe joint during the use.)

1. The utility model provides a two-way PP coupling, includes and connects body (1), its characterized in that: external threads (2) are formed in two sides of the outer surface of the joint body (1), connecting sleeves (3) are arranged in the middle of two ends of the joint body (1), sealing grooves (4) are formed in the middle of the outer surface of the connecting sleeves (3), rubber sealing rings (6) are installed inside the sealing grooves (4), positioning clamping grooves (5) are formed in the edge portions of two ends of the joint body (1) at equal intervals, rubber sealing gaskets (7) are installed at the positions, close to the positioning clamping grooves (5), of two ends of the joint body (1), and positioning clamping columns (8) are arranged in the edge portions of the outer surface of the rubber sealing gaskets (;

connect body (1) surface both sides and all install connecting nut (9), the welding of connecting nut (9) one end limit portion has connection fixture block (10), it has arc fixture block (11) to connect fixture block (10) one side welding, arc fixture block (11) both ends all are provided with fixed block (15), connecting hole (12) have been seted up at fixed block (15) top middle part, connecting hole (12) internally mounted has connecting bolt (13), arc fixture block (11) inner wall equidistance is provided with toper tooth (14), it is provided with hexagonal turn round (16) to connect body (1) surface middle part.

2. The two-way PP pipe joint according to claim 1, wherein: the inner diameter of the rubber sealing gasket (7) is the same as that of the connecting sleeve (3), the diameter of the positioning clamp column (8) is the same as that of the positioning clamp groove (5), and the positioning clamp column (8) is located inside the positioning clamp groove (5).

3. The two-way PP pipe joint according to claim 1, wherein: the diameter of the cross section of the rubber sealing ring (6) is larger than that of the cross section of the sealing groove (4).

4. The two-way PP pipe joint according to claim 1, wherein: one the connecting nut (9) is welded with four connecting clamping blocks (10), and two adjacent connecting clamping blocks (10) are welded with arc-shaped clamping blocks (11).

5. The two-way PP pipe joint according to claim 1, wherein: the number of the arc-shaped clamping blocks (11) is four in total, and the installation directions of two adjacent arc-shaped clamping blocks (11) are opposite.

6. The two-way PP pipe joint according to claim 1, wherein: the diameter of the connecting bolt (13) is the same as the inner diameter of the connecting hole (12), and one end of the connecting bolt (13) penetrates through the connecting hole (12).

7. The two-way PP pipe joint according to claim 1, wherein: the connecting nut (9), the connecting clamping block (10) and the arc-shaped clamping block (11) are all made of PP plastics; the conical teeth (14) are triangular pyramid-shaped; the arc-shaped fixture block (11) is in a hollow tubular half shape.

Technical Field

The invention relates to the technical field of two-way pipes, in particular to a two-way PP pipe joint.

Background

The PP pipe is a non-toxic, sanitary, high-temperature resistant and recyclable pipe type, is mainly applied to an indoor cold and hot water supply system of a building and is also widely applied to a heating system, and has the characteristics of no corrosion, abrasion resistance, no scaling, vibration and noise reduction, frost crack prevention (the PP pipe is subjected to frost crack at a low temperature of more than-20 ℃, and is decomposed at a high temperature of more than 70 ℃ and has a use temperature of-20 ℃ to 70 ℃), condensation prevention, less heat loss, simplicity in installation and long service life; a glass fiber reinforced polypropylene tube; glass fiber reinforced polypropylene frpp pipe standard: the treated glass fiber modified polypropylene material is selected for production, and can convey water or corrosive liquid for general use; the sanitary performance of the drinking water pipe conforms to the GB/T17219 regulation; the glass fiber reinforced polypropylene frpp pipe has excellent quality and long service life, namely the frpp pipe can be safely used for more than 50 years under the conditions of rated temperature and pressure; excellent corrosion resistance-capable of resisting corrosion of most chemicals and capable of bearing corrosion of high concentration acid and alkali with pH value in the range of 1-14 in a wide range; excellent wear resistance-the wear resistance of the pipe is more than 4 times that of the steel pipe when the ore sand slurry is conveyed; the FRPP pipe is not easy to deform due to the addition of the glass fiber reinforced material; firm connection performance-the strength of the frpp pipe hot-melt interface is higher than that of the pipe body, and the joint cannot be broken due to soil movement or load; good construction performance, light pipeline weight, simple welding process, convenient construction and low comprehensive construction cost of engineering; the transportation is convenient because the FRPP pipe has lighter specific gravity;

current PP coupling generally adopts the nut fixed when using, and nut inner wall one side is provided with the overhead kick, and after the hose installation, through rotatory nut, the overhead kick that makes enters into the hose epidermis, fixes the hose, adopts this mode fixed back, and under the effect of external force, the hose breaks away from PP coupling inside easily, and sealing performance after the hose installation is relatively poor.

Disclosure of Invention

In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a two-way PP pipe joint, which can make the installation of the hose more firm by using a connection nut, a connection fixture block, an arc fixture block, a connection hole, a connection bolt, and a tapered tooth, and can improve the sealing performance of the hose during installation by using a rubber sealing ring and a rubber sealing gasket, so as to solve the problems proposed in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a two-way PP pipe joint comprises a joint body, wherein external threads are formed on two sides of the outer surface of the joint body, connecting sleeves are arranged in the middle of two ends of the joint body, a sealing groove is formed in the middle of the outer surface of each connecting sleeve, a rubber sealing ring is arranged in the sealing groove, positioning clamping grooves are formed in the edge portions of two ends of the joint body at equal intervals, rubber sealing gaskets are arranged at the positions, close to the positioning clamping grooves, of two ends of the joint body, and positioning clamping columns are arranged in the edge portions of the outer surface of each rubber;

connect body surface both sides and all install connection nut, the welding of connection nut one end limit portion has the connection fixture block, the welding of connection fixture block one side has the arc fixture block, arc fixture block both ends all are provided with the fixed block, the connecting hole has been seted up at fixed block top middle part, connecting hole internally mounted has connecting bolt, arc fixture block inner wall equidistance is provided with the toper tooth, it turns round to connect body surface middle part to be provided with the hexagonal.

In a preferred embodiment, the inner diameter of the rubber sealing gasket is the same as that of the connecting sleeve, the diameter of the positioning clamping column is the same as that of the positioning clamping groove, and the positioning clamping column is positioned inside the positioning clamping groove; the during operation, the internal diameter through rubber packing is the same with adapter sleeve's diameter for rubber packing can be tight seal cover connect on adapter sleeve, be difficult to remove and produce the clearance, and it is fixed with positioning groove's lock at the locator card post simultaneously, thereby make packing also not produce the rotation when the in-process of installation receives rotatory power, prevent to produce the fold and cause the circumstances of not sealing up.

In a preferred embodiment, the cross-sectional diameter of the rubber sealing ring is larger than the cross-sectional diameter of the sealing groove; during operation, the rubber sealing ring can be easily sleeved in the sealing groove, and the rubber sealing ring is convenient to install and fix.

In a preferred embodiment, one connecting nut is welded with four connecting fixture blocks, and one side of each two adjacent connecting fixture blocks is welded with an arc-shaped fixture block; when the pipe fitting fixture works, the outer diameter of the maximum pipe fitting can be limited through the four connecting fixture blocks which are annularly arranged, and the surrounding limiting protection is provided.

In a preferred embodiment, the number of the arc-shaped fixture blocks is four, and the installation directions of two adjacent arc-shaped fixture blocks are opposite; during operation, the pipeline can be buckled and connected in a vertically circular mode through the two symmetrical arc-shaped clamping blocks, the largest contact area is guaranteed, the best friction force is obtained, and the fastening stability of the connecting pipeline is guaranteed.

In a preferred embodiment, the diameter of the connecting bolt is the same as the inner diameter of the connecting hole, and one end of the connecting bolt penetrates through the connecting hole; during operation, the connecting bolt is connected with the connecting hole in a meshed mode through threads, so that the connection stability is high, and meanwhile, the connection pressure can be conveniently adjusted and the connection is convenient to detach.

In a preferred embodiment, the connecting nut, the connecting clamping block and the arc-shaped clamping block are all made of PP plastics; the conical teeth are in a triangular pyramid shape; the arc-shaped fixture block is in a hollow tubular half shape; during operation, through such design for this joint's light in weight, stability is good, and the connectivity with the pipeline is good simultaneously.

The invention has the technical effects and advantages that:

1. through the rubber sealing ring, can tentatively seal the installation of hose, through the adaptation of the rubber sealing pad, can carry out the secondary to the installation of hose and seal, through twice sealed, sealing performance when can improving the hose installation, avoid the hose and two to lead to the phenomenon that PP coupling junction appears leaking when using, through locator card post and positioning channel's use, can fix a position and spacing the sealed installation of rubber sealing pad, the sealed use of pad of rubber of being convenient for.

2. Through the use of connecting nut, connecting fixture block, arc fixture block, fixed block, connecting hole, connecting bolt and toper tooth, can fix the junction that hose and two-way PP coupling connect, can make the more firm of hose installation, the use of the hose installation of being convenient for.

Drawings

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

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the positioning card slot of the present invention.

FIG. 3 is a schematic view of the structure of the connecting hole of the present invention.

Fig. 4 is a cross-sectional view of the present invention.

The reference signs are: 1. a connector body; 2. an external thread; 3. connecting a sleeve; 4. a sealing groove; 5. positioning the clamping groove; 6. a rubber seal ring; 7. a rubber gasket; 8. positioning the clamp column; 9. a connecting nut; 10. connecting a clamping block; 11. an arc-shaped fixture block; 12. connecting holes; 13. a connecting bolt; 14. a tapered tooth; 15. a fixed block; 16. a hexagonal rotary head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The two-way PP pipe joint shown in the attached figures 1-4 comprises a joint body 1, wherein both sides of the outer surface of the joint body 1 are provided with external threads 2, the middle parts of both ends of the joint body 1 are provided with connecting sleeves 3, the middle part of the outer surface of the connecting sleeves 3 is provided with a sealing groove 4, a rubber sealing ring 6 is arranged in the sealing groove 4, the section diameter of the rubber sealing ring 6 is larger than that of the sealing groove 4, the use of the rubber sealing ring 6 is convenient, the sealing performance of the two-way PP pipe joint in use is improved, the edge parts of both ends of the joint body 1 are provided with positioning clamping grooves 5 at equal intervals, rubber sealing gaskets 7 are arranged at the positions, close to the positioning clamping grooves 5, of both ends of the joint body 1, the edge parts of the outer surface of the rubber sealing gaskets 7 are provided with positioning clamping columns 8 at, the positioning clamp column 8 is positioned in the positioning clamp groove 5, and can be used for positioning and limiting the installation of the rubber sealing gasket 7, so that the installation of the rubber sealing gasket 7 is firmer;

the two sides of the outer surface of the connector body 1 are respectively provided with a connecting nut 9, the edge part of one end of each connecting nut 9 is welded with a connecting fixture block 10, one side of each connecting fixture block 10 is welded with an arc-shaped fixture block 11, one connecting nut 9 is welded with four connecting fixture blocks 10, one side of each two adjacent connecting fixture blocks 10 is welded with an arc-shaped fixture block 11, the number of the arc-shaped fixture blocks 11 is totally four, the mounting directions of the two adjacent arc-shaped fixture blocks 11 are opposite, the two-way PP pipe connector can fix a hose, the use of the two-way PP pipe connector is convenient, the two ends of each arc-shaped fixture block 11 are respectively provided with a fixed block 15, the middle part of the top end of each fixed block 15 is provided with a connecting hole 12, a connecting bolt 13 is arranged in each connecting hole 12, the diameter of each connecting bolt 13 is the same, the middle part of the outer surface of the joint body 1 is provided with a hexagonal rotary head 16, the connecting nut 9, the connecting fixture block 10 and the arc-shaped fixture block 11 are all made of PP plastic, and the conical teeth 14 are in a triangular pyramid shape; the arc-shaped fixture block 11 is in a half shape of a hollow pipe, so that the preparation difficulty of materials can be reduced, and the production cost can be reduced.

The working principle of the invention is as follows: in the actual use process, a worker installs a hose on one side of the joint body 1, so that the connecting sleeve 3 enters the hose, the rubber sealing ring 6 is contacted with the inner wall of the hose along with the movement of the hose, then the worker continues to move the hose, one end of the hose is contacted with the rubber sealing gasket 7, the hose can be initially sealed in the installation process through the rubber sealing ring 6, the hose can be secondarily sealed in the installation process through the adaptation of the rubber sealing gasket 7, the sealing performance of the hose in the installation process can be improved through the twice sealing, and the phenomenon of water leakage at the joint of the hose and the two-way PP pipe joint in use is avoided;

after the hose is connected with the two-way PP pipe joint, a worker rotates the connecting nut 9, the connecting nut 9 rotates to drive the connecting clamping block 10 to move, the connecting clamping block 10 moves to drive the arc-shaped clamping block 11 to move, after the position of the arc-shaped clamping block 11 is adjusted, the worker installs the connecting bolt 13 in the connecting hole 12 to fix the joint of the hose and the two-way PP pipe joint, so that the conical tooth 14 enters the surface layer of the hose, and then the worker installs the other hose on the other side of the joint body 1;

through the use of the connecting nut 9, the connecting fixture block 10, the arc-shaped fixture block 11, the fixing block 15, the connecting hole 12, the connecting bolt 13 and the conical teeth 14, the connecting part of the hose and the two-way PP pipe joint can be fixed, so that the hose can be more firmly installed, and the hose can be conveniently installed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.