TWI614439B - Pipe type fastening structure - Google Patents

Abstract

The present invention is a pipe-type coupling fastening structure, which is provided with one or more coupling grooves on the coupling element. The aforementioned coupling grooves are also provided with some internal threads. The aforementioned coupling grooves are used to form a T-shaped leak-proof kit in order from the inside to the outside. The O-ring, the fastening element, and the nut are provided, and the pipe can pass through the aforementioned T-shaped leak-proof kit, the O-ring, the fastening element, the C-shaped fastener and the nut, and the end of the pipe can be pressed against the foregoing One side of the ring surrounding surface of the coupling groove is locked by the aforementioned nut and the internal thread of the aforementioned coupling groove, and the aforementioned T-shaped leak-proof kit, O-ring, fastening element, C-shaped fastener and screw are forced. The cap gradually penetrates into the coupling groove of the aforementioned engaging element, and when the nut gradually locks and presses the aforementioned engaging element to abut against the O-ring and T-shaped leak-proof kit, the engaging teeth of the engaging element will be deformed, directly It is fastened into the pipe fitting, and the C-type fastener is pressed by the nut to fasten to the surface of the pipe fitting, which is enough for the pipe fitting to be fully fixed and unable to be disengaged from the engaging element.

Description

Pipe joint fastening structure

The present invention relates to a pipe-type coupling and fastening structure, in particular to a T-shaped leak-proof kit, an O-ring, a fastening element, and a nut provided through a coupling groove provided by an engaging element, and allowing the pipe to pass through the foregoing T-shaped leak-proof kit, O-ring, fastening element and nut, and then the aforementioned nut and the internal thread of the coupling groove are used for locking, and the aforementioned T-shaped leak-proof kit, O-ring, and fastening element are forced , C-type fasteners and nuts or gradually penetrate into the coupling groove of the aforementioned coupling element. When the nut gradually locks and presses the aforementioned fastening element to abut against the O-ring and T-shaped leak-proof kit, it will cause the fastening element The deformation of the engaging teeth is directly buckled into the pipe fitting, which is enough to allow the pipe fitting to be fully fixed, and the innovator of the pipe fitting connection structure that cannot be separated from the connecting element.

According to the conventional pipe fittings, all of them are straight-shaped fittings (or joints), 90-degree fittings, 135-degree fittings, T-shaped fittings, Y-shaped fittings, and cross-shaped fittings (both diameters are round) Ends) are usually provided with flarings at the ends of the aforementioned joints, each of which is to extend one end of the pipe fittings that are connected to each other and combined with an adhesive, although the structure is simple, but using an adhesive, If it penetrates into the water supply pipeline, it will cause water pollution. Secondly, the use of adhesive bonding, the adhesive has its decay period, a long time, there will be degumming, causing leakage problems at the pipeline junction.

For this reason, the present inventor has invented the present case in order to fully solve the shortcomings and problems of the knowledgeable person, who has accumulated many years of research and development and manufacturing experience of related products in view of the construction shortcomings of the known pipe joints.

The purpose of the present invention is to provide an innovation of a pipe-type fastening structure capable of fast and easy construction, and capable of fully fastening the pipe fittings inside the coupling grooves of the coupling elements, so as to ensure that the mutually-connected pipe fittings never fall off.

In order to achieve the foregoing object, the pipe-type coupling fastening structure of the present invention mainly includes one or more coupling grooves in the coupling element. The coupling groove is also provided with a part of internal threads. The coupling groove is sequentially used from inside to outside as T. Type leak-proof kit, O-ring, fastening element and nut or closure element, and allow the pipe to pass through the aforementioned T-shaped leak-proof kit, O-ring, fastening element, C-type fastener and nut or closure Element, and the end of the pipe is abutted against one side of the ring surrounding surface of the coupling groove, and then the nut or the closing element is used to lock with the engaging element, and the aforementioned T-shaped leak-proof kit, O-ring, and buckle are forced. Element, C-shaped fastener and nut or closing element gradually penetrate into the coupling groove of the aforementioned engaging element, and when the nut or closing element gradually locks and presses the aforementioned fastening element to abut against the O-ring and T-shaped leak-proof kit In this case, the buckling teeth of the buckling element will be deformed and directly buckled into the pipe, and the surface of the pipe is fastened by the C-shaped fastener, which is sufficient for the pipe to be fully fixed and cannot be detached from the engaging element.

In the pipe-type engaging and fastening structure of the present invention, the surface of the engaging element must be the same shape or different shape as the bolt-setting surface of the nut to facilitate the operation and locking of the hand tool.

The pipe-type connection and fastening structure of the present invention, wherein the connection element may be a single shape; or a 90-degree type; or a 135-degree type; or a T-shape; or a Y-shape; or a cross shape; or other types of special shapes Nothing is impossible.

According to the pipe-type coupling fastening structure of the present invention, the coupling element may be provided with one or more coupling grooves according to requirements, or may be matched with a glyph; or a 90-degree type; or a 135-degree type; or a T-shape; or a Y-shape Type; or cross type; or other types of special shapes, each end is provided with a combination groove.

According to the pipe-type joint fastening structure of the present invention, a T-shaped leak-proofing kit is provided at the innermost side of the coupling groove. When the pressure of the liquid in the pipe is greater, the aforementioned T-shaped leak-proofing kit is squeezed tighter by the pipe. Adhere to the inner wall of the coupling groove of the connecting element, to produce a better quality leak-proof effect. The T-shaped leak-proof kit can also be replaced by a ring-shaped leak-proof kit.

According to the pipe-type connection fastening structure of the present invention, the thickness of the small-diameter ring surrounding surface of the T-shaped leak-proof kit is thinner as it approaches the front end of the T-shaped leak-proof kit, so as to form a shape where the outer side is slightly inclined. The greater the internal pressure of the liquid, the closer the part to the large-diameter ring's surrounding surface will produce a greater urgency effect and a better quality leak-proof effect.

According to the pipe-type joint fastening structure of the present invention, one side of the fastening element can be pushed up by the setting of the O-ring. When the nut is locked to the set depth, the O-ring and the screw can be used. The caps clamp the fastening elements together, so that the angles of the fastening teeth of the fastening elements can be changed to buckle into the pipe wall of the pipe to achieve the effect of fastening.

In the pipe-type engaging and fastening structure of the present invention, the fastening element is made of metal material, and it is best made of stainless steel. The fastening element is provided with a plurality of fastening teeth, and the fastening teeth may be pointed and round. Arc or other shapes, when the nut is locked into the coupling groove to a set depth, the aforementioned fastening element is deformed by the squeeze of the nut and the O-ring, resulting in the force of the wall of the pipe fitting. The pipe fittings are fastened by the fastening elements, and will never be detached.

In the pipe-type joint fastening structure of the present invention, the C-shaped fastener is slightly conical, and one or more plural fastening rings are provided on the inner surface. The foregoing fastening rings may be pointed and circular. Or other shapes, the aforementioned C-type fasteners are arranged inside the screw-lock or closing element. When the screw-lock or closing element and the engaging element are gradually locked to a set depth, the aforementioned C-type fastener will be subject to the screw-lock or Crowding of closed elements Forcing the buckle ring to fasten the surface of the pipe fitting, generating the force to buckle the pipe fitting, the pipe fitting will be buckled and fixed in place, and will not be disengaged.

The pipe-type coupling and fastening structure of the present invention mainly includes one or more coupling grooves in the coupling element, and uses the aforementioned coupling grooves to sequentially form a T-shaped leak-proof kit, an O-ring, a fastening element, and a C-type from the inside to the outside. The fasteners and closure elements are arranged to allow the pipe to pass through the aforementioned T-shaped leak-proof kit, O-ring, fastening element, C-type fastener and closure element, so that the end of the pipe abuts against one of the ring surrounding surfaces of the aforementioned coupling groove On the side, a plurality of bolt holes are provided at the ends of the aforementioned coupling elements, and then the aforementioned sealing elements are combined with the aforementioned coupling grooves and bolted with the bolting elements, so that the aforementioned T-shaped leak-proof kits and O-rings can be forced by the closing elements , The fastening element and the C-shaped fastener gradually penetrate into the coupling groove of the aforementioned engaging element, and when the anchoring element gradually locks the closing element and the engaging element, the aforementioned engaging element can be gradually pressed to abut the O-ring and T When the leakage stop kit is used, the fastening teeth of the fastening element will be deformed and directly inserted into the pipe. The C-type fastener is squeezed by the closing element, so that the C-type fastener can be fastened to the pipe and fastened to the pipe. The surface is sufficient to fully fix the pipe and cannot be disengaged from the connecting element from.

1‧‧‧ connecting element

A, A1‧‧‧pipe fittings

10‧‧‧ end

100‧‧‧ Large diameter ring

101‧‧‧Bolt holes

102‧‧‧ Anchoring components

110‧‧‧circle

11‧‧‧Combination slot

111‧‧‧first torus

112‧‧‧Second torus

113‧‧‧ Internal thread surface

114‧‧‧ front wall

12‧‧‧ surface

2‧‧‧T Type Leak Stop Kit

20‧‧‧Pipe fitting hole

21‧‧‧Large diameter ring fence

22‧‧‧ Footpath ring

23‧‧‧Front

3‧‧‧O-ring

30‧‧‧Pipe fitting hole

4‧‧‧ Fastening element

40‧‧‧Pipe fitting hole

41‧‧‧ Torus

42‧‧‧Flat tooth surface

420‧‧‧Flat tooth

5‧‧‧nut

50‧‧‧Pipe fitting hole

51‧‧‧ Anchor surface

52‧‧‧External thread surface

520‧‧‧Thread

6‧‧‧ closed element

60‧‧‧Pipe fitting hole

61‧‧‧ Footpath ring

62‧‧‧Large diameter circle

620‧‧‧Bolt hole

7‧‧‧C type fastener

70‧‧‧Pipe fitting hole

71‧‧‧ opening

72‧‧‧ buckle ring

FIG. 1 is a partial exploded view of the first embodiment of the present invention.

FIG. 2 is a side view of the engaging element according to the first embodiment of the present invention.

Fig. 3 is a sectional view taken along the line A-A in Fig. 2.

FIG. 4 is a side view of a T-shaped leakage stop kit according to the present invention.

Fig. 5 is a sectional view taken along the line B-B in Fig. 4.

Fig. 6 is a side view of the first embodiment of the fastening element of the present invention.

Fig. 7 is a sectional view taken along the line C-C in Fig. 6.

FIG. 8 is a side view of the second embodiment of the fastening element of the present invention.

FIG. 9 is a partially enlarged view of FIG. 8.

FIG. 10 is an enlarged view of a third embodiment of the fastening element of the present invention.

FIG. 11 is a cross-sectional view of the present invention before it is fully combined with a pipe fitting.

FIG. 12 is a partially enlarged view of FIG. 11.

FIG. 13 is a cross-sectional view of the present invention fully integrated with the pipe fitting.

FIG. 14 is a partially enlarged view of FIG. 13.

Fig. 15 is a view showing a first embodiment of an engaging element applicable to the present invention.

FIG. 16 is a view showing a second embodiment of an engaging element applicable to the present invention.

FIG. 17 is a view of a third embodiment of an engaging element applicable to the present invention.

FIG. 18 is a view of a fourth embodiment of an engaging element applicable to the present invention.

FIG. 19 is a partial exploded view of the second embodiment of the present invention.

FIG. 20 is a cross-sectional view showing that the second embodiment is completely combined with the pipe fitting.

In order for your examiner to further understand the present invention, it is explained as follows with reference to the drawings: as shown in the first embodiment of Figs. 1 to 3, the pipe joint fastening structure of the present invention includes at least: the joint element 1, which may be a font ; Or 90-degree type; or 135-degree type; or T-shape; or Y-shape; or cross-shape; or other types of special shapes, as long as they can be connected to pipe A, they can be any shape to match the installation settings surroundings. The aforementioned coupling elements 1 of various shapes are provided with one or more coupling grooves 11 at each end of the coupling element 1. Each of the portions 10 is provided with a coupling groove 11. The aforementioned coupling groove 11 is provided with a ring surrounding surface 110, and a first ring surface 111, a second ring surface 112, and an internally threaded surface 113 are formed on one or both sides of the ring surrounding surface. Internal threads are formed. The inner diameters of the aforementioned first annular surface 111, second annular surface 112, and internally threaded surface 113 are all different, and T-shaped leak-proof sets 2, O-rings 3, and buckles are respectively housed from the inside to the outside. The setting and positioning of the corresponding components such as the combined component 4, the C-shaped fastener 7 and the nut 5. The surface 12 of the aforementioned engaging element 1 may be the same shape or different shape as the bolt mounting surface 51 of the nut 5 to facilitate the operation and locking of the hand tool. Each end of the aforementioned coupling element 1 may be the same outer diameter or different outer diameters, and it is not necessary (as shown in Figs. 15-18).

As shown in Figures 1, 4, and 5, the T-shaped leak-proof kit 2 is made of rubber or silicone or other materials with flexibility and leak-proofness. The T-shaped leak-proof kit 2 is provided with a pipe hole 20 for the pipe A to be worn. By the way, the aforementioned T-shaped leakage stopper kit 2 is provided with a large-diameter ring surrounding surface 21 and a small-diameter ring surrounding surface 22, and the length of the large-diameter ring surrounding surface 21 is smaller than the small-diameter ring surrounding surface 22, by the aforementioned small-diameter ring The surrounding surface 22 may be accommodated in the first annular surface 111 of the foregoing coupling groove 11, and the front end of the small-diameter annular surrounding surface 22 may abut against the side wall surface of the annular surrounding surface 110 of the foregoing coupling groove 11, The diameter ring surrounding surface 21 is accommodated in the second ring surface 112 of the foregoing coupling groove 11, and is positioned against the wall surface 114 in front of the first ring surface 111 of the foregoing coupling groove 11. When the pressure of the liquid in the pipe A is greater, the aforementioned T-shaped leakage preventing kit 2 is pressed tighter by the pipe A to be closer to the inner wall of the coupling groove 11 of the coupling element 1 to produce a better leak-proof effect. The aforementioned T-shaped leakage preventing kit 2 can be made into a ring shape or other suitable shapes, and it is indispensable. The thickness of the small-diameter ring surrounding surface 22 of the aforementioned T-shaped leak-proof kit 2 is closer to the front end 23 of the T-shaped leak-proof kit 2 to be thinner, so as to form a shape with a slightly inclined outer surface. When the liquid pressure in the pipe is greater The closer to the part of the large diameter ring, the greater the urgency effect, and the better the quality of the leak-proof effect.

As shown in Figures 1, 12-14, the aforementioned O-ring 3 is provided with a pipe fitting hole 30 for the passage of the pipe A. The aforementioned O-ring 3 is made of a harder material, so that the aforementioned O-ring 3 can be accommodated in The second annular surface 112 of the aforementioned coupling groove 11 abuts against the side wall of the large-diameter annular surrounding surface 21 of the aforementioned T-shaped leakage preventing kit 2 to be positioned. It is necessary to set the O-ring 3 to assume that one side of the fastening element 4 is against the top. When the nut 5 is locked to a set depth, the fastening element may be clamped together by the aforementioned O-ring and the nut 5 4. The angle of the engaging teeth of the engaging element 4 can be changed to engage the wall of the pipe to achieve the effect of fastening.

As shown in FIGS. 1, 6 to 10, the aforementioned fastening element 4 is provided with a pipe fitting hole 40 to pass through the pipe A, and the aforementioned fastening element 4 is provided with an annular surface 41 to be accommodated in the second annular surface of the coupling groove 11. At 112, the aforementioned engaging elements 4 are provided with engaging tooth surfaces 42. The plurality of engaging teeth 420 are distributed uniformly or non-uniformly. The aforementioned engaging tooth surfaces 42 and the annular surface 41 are non-linear, so Forming an obliquely-shaped engaging tooth surface 42, as for the aforementioned engaging tooth 420, it can be various types of tapered cones (as shown in Figs. 7 and 9), or arc-shaped (as shown in Fig. 10), or other shapes, as long as it can It can be buckled into the wall surface of the pipe fittings, and there is no restriction on the shape. When the screw cap is locked into the coupling groove to a set depth, the aforementioned fastening element is deformed by the squeeze of the screw cap and the O-ring, resulting in the force of the pipe wall which is buckled into the pipe, and never detached.

As shown in Figures 1, 11 ~ 14, the aforementioned C-shaped fastener 7 has a slightly conical appearance, and a pipe fitting hole 70 is provided to pass through the pipe A. The aforementioned C-shaped fastener 7 has a C-shaped opening as the name implies. 71, when the C-shaped fastener 7 is squeezed by the nut 5, it can be deformed and produce a fastening effect. The inner surface of the aforementioned C-shaped fastener 7 is provided with one or more plural fastening rings 72, C type When the fastener 7 is pressed by the nut 5, it can be fastened to the surface of the pipe A by the aforementioned fastening ring 72. The aforementioned C-shaped fastener 7 can be accommodated in the pipe hole 50 of the nut 5, and the nut 5 can squeeze the C-shaped fastener by locking the nut 5 with the engaging element 1. 7. Then, the fastener ring 72 is fastened to the surface of the pipe A to generate the force for fastening the pipe, and the pipe is never detached.

As shown in Figures 1, 12 ~ 14, the nut 5 is provided with a pipe hole 50, and the C-shaped fastener 7 can be accommodated first, and then passed for the pipe A. The nut 5 is provided with a bolting surface 51. It is hexagonal or quadrangular or other shapes, which are all necessary, as long as it can be bolted for hand tools. The nut 5 is provided with an externally threaded surface 52 so that the externally threaded portion 520 is distributed therein.

As shown in Figures 1, 12-14, when the plastic pipe A of the present invention is to be connected, the pipe A must first be passed through the aforementioned nut 5, C-shaped fastener 7, fastening element 4, O-ring 3 And the hole of the pipe fitting of the T-shaped leak-proofing kit 2, and let the end of the pipe fitting A abut against the side of the surrounding surface 110 of the coupling groove 11 of the coupling element 1 (see FIGS. 11 and 12). Then use a hand tool to rotate the nut 5 or the engaging element 1; or rotate the nut 5 and the engaging element 1 at the same time, and let the external thread 520 of the external thread surface 52 of the nut 5 and the internal thread surface 113 of the foregoing coupling groove 11 The threads are locked with each other. With the change in the locking depth of the nut 5 and the foregoing coupling groove 11, the C-shaped fastener 7, the fastening element 4, the O-ring 3, and the T-shaped leak-proof kit 2 are gradually pushed inward. When the locking depth between the nut 5 and the aforementioned coupling groove 11 reaches a set depth, the force of the nut 5 and the O-ring 3 to clamp the fastening element 4 is sufficient to enable the fastening of the aforementioned fastening element 4 The tooth surface 42 is deformed upright, and the oblique engaging teeth 420 of the aforementioned engaging tooth surface 42 of the engaging element 4 are turned into straight engaging teeth 420 (as shown in FIGS. 13 and 14), so that the engaging elements The fastening teeth 420 of 4 have sufficient force to buckle into the wall surface of the pipe A. Then, the C-shaped fastener 7 is squeezed by the nut 5 so that the fastening ring 72 of the C-shaped fastener 7 can be fastened to the surface of the pipe fittings A and A1. Element 1 is disengaged. Therefore, when the nut is locked into the coupling groove to a set depth, the aforementioned fastening element is deformed by the squeeze of the nut and the O-ring, and a buckle tube can be generated. The strength of the pipe wall of the piece is used to fasten the pieces of pipe A and A1 by the fastening element 4 and the C-shaped fastener 7 and never detach.

As shown in Figures 19 and 20, the second embodiment of the pipe-type coupling fastening structure of the present invention includes at least: the coupling element 1, which may be a straight shape; or a 90-degree type; or a 135-degree type; or a T-shape; or Y-shaped; or cross-shaped; or other special shapes (see Figures 15-18), as long as they can be connected with pipe A, they can be of any shape to match the installation environment. The aforementioned coupling element 1 is provided with an end portion 10 and a large-diameter ring 100 is provided at the end 10, and a plurality of bolt holes 101 are provided in the large-diameter ring 100 to pass the bolt element 102 to connect the coupling element and the closing element. Tie it together. The aforementioned coupling element 1 is provided with one or more coupling grooves 11, and a coupling groove 11 is provided at each end portion 10 of the coupling element 1. The aforementioned coupling groove 11 is provided with a ring surrounding surface 110 and is located on one side of the ring surrounding surface or A first annular surface 111 and a second annular surface 112 are formed on both sides. The inner diameters of the aforementioned first annular surface 111 and second annular surface 112 are different, and T-shaped leak-proof packages 2 are respectively accommodated from the inside to the outside. The setting and positioning of the corresponding elements such as the O-ring 3, the fastening element 4 and the closing element 6. Each end of the aforementioned coupling element 1 may be the same outer diameter or different outer diameters, and it is not necessary (see Figs. 15-18). As shown in Figures 19 and 20, the second embodiment is provided with the same T-shaped leak-proof kit 2, O-ring 3, and fastening element 4 as the first embodiment, so the technical characteristics of the three components can refer to the corresponding of the previous embodiment The drawings are sufficient and will not be repeated here.

As shown in Figures 19 and 20, the aforementioned closure element 6 is provided with a pipe fitting hole 60 for the C-shaped fastener 7 and then passed through for the pipe A. The aforementioned closure element 6 is provided with a small-diameter ring surrounding surface 61 to accommodate the aforementioned The second toroidal surface 112 of the coupling groove 11 of the coupling element 1 must be slightly smaller than the inner diameter of the second toroidal surface 112 of the coupling groove 11 of the aforementioned coupling element 1 to facilitate both Can be combined with each other. The aforementioned closure element 6 is provided with a large-diameter ring 62, which is located in the large-diameter ring and is provided with a plurality of bolt holes 620 to cooperate with the bolt holes 101 provided in the large-diameter ring 100 at the end of the above-mentioned connecting element 1. Element 6 is accommodated in the aforementioned After the combining groove 11 of the engaging element 1, the closing element 6 and the engaging element 1 must be locked together by a bolting element 102.

As shown in Figs. 19 and 20, when the present invention is to be connected to the pipe A, the pipe A must first pass through the aforementioned closing element 6, C-shaped fastener 7, fastening element 4, O-ring 3, and T-shaped leak stopper. The pipe fitting hole of the kit 2 and the end of the pipe fitting A abuts against one side of the surrounding surface 110 of the coupling groove 11 of the aforementioned coupling element 1 (or refer to Figs. 11 and 12). Then use the hand tool to rotate the anchoring element 102, so that the small-diameter encirclement 62 of the closing element 6 gradually advances to the combining groove 11 of the engaging element 1, and gradually changes the aforementioned depth of the combining element 6 and the combining groove 11 The C-shaped fastener 7, the fastening element 4, the O-ring 3 and the T-shaped leakage stopper set 2 are pushed inward. When the closing element 6 and the aforementioned coupling groove 11 reach the set combination depth, the closing elements 6 and O must be used. The force that the ring 3 collectively squeezes and presses the fastening element 4 is sufficient to deform the fastening tooth surface 42 of the aforementioned fastening element 4 upright, and allow the oblique shape of the fastening tooth surface 42 of the aforementioned fastening element 4. The fastening teeth 420 become straight fastening teeth 420 (see Figs. 13 and 14; or Fig. 20), so that the fastening teeth 420 of the fastening element 4 have sufficient strength to be fastened into the wall surface of the pipe A. At the same time, the aforementioned closure element 6 can squeeze the C-shaped fastener 7 so that the fastening ring 72 of the C-shaped fastener 7 can be fastened to the outer surface of the pipe A, so as to fasten the component 4, C The fastener 7 fixes the pipe A in a fixed position, and the pipe A cannot be separated from the engaging element 1 at all.

To sum up, according to the present invention, one or more combination grooves provided by the connecting element in the present invention are used as one end of a pipe, a nut or a closing element, a C-shaped fastener, a fastening element, an O-ring and a T-shaped leak stop. The kit is set and positioned so that the pipe can pass through the aforementioned T-shaped leak-proof kit, O-ring, fastening element and nut or closing element, and the end of the pipe can be abutted against one side of the ring surrounding surface of the coupling groove, and then The aforementioned nut is locked with the internal thread of the aforementioned coupling groove, or the anchoring element 102 is rotated with a hand tool so that the small-diameter ring 61 of the closing element 6 gradually advances to the coupling groove 11 of the coupling element 1 to allow the closing element 6 Gradually with the aforementioned coupling groove 11 Combining and forcing the aforementioned T-shaped leak-proof kit, O-ring, fastening element, and C-shaped fastener into the coupling groove of the aforementioned engaging element gradually, when the nut is gradually locked; or the anchoring element 102 is turned with a hand tool to close The small-diameter ring 62 of the element 6 gradually advances to the combining groove 11 of the connecting element 1 so that the closing element 6 is gradually combined with the aforementioned combining groove 11, and the aforementioned fastening element is forced to abut against the O-ring and T-shaped leak stop. When the kit is assembled, the buckling teeth of the buckling element are deformed and directly buckled into the pipe fitting, and the buckling ring of the C-shaped fastener can be fastened to the outer surface of the pipe fitting, so that the pipe fitting is fully fixed and cannot be separated from the engaging element It is enough to ensure the joint installation of the pipe fittings to achieve the necessary structural strength and effectiveness. As for the foregoing embodiments or drawings, they do not limit the form or use of the present invention, any appropriate changes or modifications by those with ordinary knowledge in the technical field, All should be regarded as not departing from the patent scope of the present invention.

1‧‧‧ connecting element

A‧‧‧Pipe Fittings

11‧‧‧Combination slot

10‧‧‧ end

110‧‧‧circle

111‧‧‧first torus

112‧‧‧Second torus

113‧‧‧ Internal thread surface

114‧‧‧ front wall

2‧‧‧T Type Leak Stop Kit

21‧‧‧Large diameter ring fence

22‧‧‧ Footpath ring

3‧‧‧O-ring

4‧‧‧ Fastening element

41‧‧‧ Torus

42‧‧‧Flat tooth surface

420‧‧‧Flat tooth

5‧‧‧nut

50‧‧‧Pipe fitting hole

51‧‧‧ Anchor surface

52‧‧‧External thread surface

520‧‧‧Thread

7‧‧‧C type fastener

71‧‧‧ opening

72‧‧‧ buckle ring

Claims (14)

The utility model relates to a pipe-type engaging and fastening structure, which at least comprises: an engaging element, which is provided with one or more coupling grooves. The aforementioned coupling grooves are provided with some internal threads. The aforementioned coupling grooves are used to form a T-shaped leak-proof kit in order from the inside to the outside. The ring, fastening element, C-shaped fastener and nut are provided; the aforementioned T-shaped leak-proof kit is provided with a pipe hole for the pipe to pass through, and the aforementioned T-shaped leak-proof kit is provided with a large-diameter ring surrounding surface and a small-diameter ring surrounding surface, The length of the large-diameter ring enclosing surface is shorter than the small-diameter ring enclosing surface. The small-diameter ring enclosing surface can accommodate the first ring surface of the coupling groove of the coupling element, and abut against the first ring surface of the coupling groove. The front wall surface of the large-diameter ring is accommodated in the second ring surface of the coupling groove of the connecting element, so that the T-shaped leak-proof kit is set at the innermost side of the coupling groove. When the liquid pressure in the pipe is greater, The aforementioned T-shaped leak-proofing kit is tightly pressed against the inner wall of the coupling groove of the connecting element by the pressure of the pipe fittings to produce a better quality leak-proofing effect; the aforementioned O-ring is provided with a pipe fitting hole to pass through the pipe fitting, so that the O The ring is accommodated on the second ring surface of the coupling groove of the connecting element and abuts against the T shape The side wall of the large diameter ring surrounding surface of the leakage stop kit is positioned, and the fastening element is clamped together by the aforementioned O-ring and the nut; the fastening element is provided with a pipe hole for the pipe to pass through, and the fastening element is provided with a ring surface A second annular surface accommodated in a coupling groove of the engaging element is provided. The aforementioned engaging element is provided with an engaging tooth surface, and the engaging tooth surface is provided with a plurality of engaging teeth. The aforementioned engaging tooth surface and the annular surface are non-linear, so they are formed. The oblique buckle tooth surface; the above-mentioned C-shaped fastener is a pipe-shaped hole accommodated in a nut, and is slightly conical. The above-mentioned C-shaped fastener is provided with a hole for the pipe to pass through, and the aforementioned C-shaped fastener is provided with a C Type opening, which can be appropriately deformed when the C-type fastener is squeezed by the nut. The inner surface of the aforementioned C-type fastener is provided with one or more plural fastening ring surfaces. When the aforementioned C-type fastener is squeezed by the nut, It must be fastened to the surface of the pipe by the above-mentioned fastening ring surface; the above-mentioned pipe must pass through the above-mentioned T-shaped leak-proof kit, O-ring, fastening element, C-type fastener and nut, and the end of the above-mentioned pipe can be abutted against Press on the side of the ring surrounding surface of the coupling groove of the aforementioned coupling element, and then enter through the nut and the internal thread of the coupling groove Locking and force the T-Kit o, O-rings, snap-fit elements, C and nut type fasteners Gradually penetrate into the coupling groove of the aforementioned engaging element, and when the aforementioned nut gradually locks and presses the aforementioned engaging element to abut against the O-ring and T-shaped leak-proof kit, the engaging teeth of the engaging element will be deformed, directly Buckle into the pipe, and then press the aforementioned C-type fastener with the nut to secure the fastening ring of the C-type fastener to the outer surface of the pipe, which is sufficient for the pipe to be fully fixed and cannot be disengaged from the connecting element. By. According to the pipe joint fastening structure according to claim 1, wherein the joint groove of the aforementioned joint element is provided with a ring surrounding surface, and the first ring surface, the second ring surface and the internal thread surface are formed on one or both sides of the ring surrounding surface, The internal thread surface is provided with an internal thread, and the inner diameters of the first toroidal surface, the second toroidal surface, and the internally threaded surface are different. From the inside to the outside, a T-shaped leak-proof kit, an O-ring, and a fastening element are respectively accommodated. Setting and positioning; or setting the bolting surface of the hand tool on the surface of the aforementioned coupling element; or the ends provided by the aforementioned coupling element may have the same outer diameter or different outer diameters. According to the pipe joint fastening structure according to claim 1, wherein the aforementioned O-ring is accommodated in the second annular surface of the joint groove of the engaging element, and abuts against the side wall of the large-diameter ring surrounding surface of the T-shaped leakage-preventing kit for positioning. The fastening element can be clamped together by the aforementioned O-ring and nut, so that the fastening teeth of the fastening element can be deformed and fastened to the wall of the pipe. According to the pipe connection fastening structure according to claim 1, wherein the nut is provided with a pipe hole for passing through the pipe, the nut is provided with a bolting surface, which may be hexagonal or quadrangular or other hand tools shape. The utility model relates to a pipe-type connecting and fastening structure, which at least comprises: an engaging element, a plurality of bolts and holes, and one or more combining grooves. The above-mentioned combining grooves are used to form a T-shaped leak-proof kit, an O-ring, and a buckle in order from the inside to the outside. Closure elements, C-shaped fasteners and closure elements are provided; the aforementioned T-shaped leak-proof kit is provided with a pipe hole for the pipe to pass through, and the aforementioned T-shaped leak-proof kit is provided with a large-diameter ring surrounding surface and a small-diameter ring surrounding surface, and the aforementioned large-diameter ring The length of the surrounding surface is smaller than that of the small-diameter ring. The first ring of the small-diameter ring surrounding surface can be accommodated in the coupling groove of the coupling element. Surface, and abut against the front wall surface of the first annular surface of the coupling groove, and the large-diameter ring surrounding surface is accommodated in the second annular surface of the coupling groove of the coupling element, so that the T-shaped leak-proof kit is arranged in the coupling groove. At the innermost side of the pipe, when the pressure of the liquid in the pipe is greater, the T-shaped leak-preventing kit is squeezed by the pipe to be closer to the inner wall of the coupling groove of the connecting element, so as to produce a better leak-proof effect; the aforementioned O-ring A pipe hole is set for the pipe to pass through. The aforementioned O-ring is accommodated in the second ring surface of the coupling groove of the connecting element, and abuts against the side wall of the large-diameter ring surrounding surface of the T-shaped leak-proof kit. The aforementioned O-ring and the nut are used to clamp the fastening element together; the fastening element is provided with a pipe hole for the pipe to pass through, and the fastening element is provided with a ring surface to be accommodated in the second annular surface of the coupling groove of the engaging element, The aforementioned engaging element is provided with an engaging tooth surface, the engaging tooth surface is provided with a plurality of engaging teeth, the aforementioned engaging tooth surface and the toroidal surface are non-linear, so an oblique engaging tooth surface is formed; the aforementioned C-shaped fastener, Can be accommodated in the tube hole of the closed element, slightly conical, and the tube hole is set as the tube The C-shaped fastener is provided with a C-shaped opening and the inner surface is provided with one or more plural fastening ring surfaces; the closed element is provided with a pipe hole for the pipe to pass through, and the closed element is provided with a small-diameter ring surrounding surface, Within the second torus for receiving the coupling groove of the coupling element, the above-mentioned closing element is provided with a large-diameter ring, and the above-mentioned large-diameter ring is provided with a plurality of bolt holes to match the large-diameter ring provided at the end of the connection element. The anchoring hole can be used to lock the closing element and the engaging element together by the anchoring element; so that the pipe can pass through the aforementioned T-shaped leak-proof kit, O-ring, fastening element, C-type fastener and closing element, and Let the end of the pipe fitting abut against the side of the ring surrounding surface of the coupling groove of the coupling element, and then combine the coupling groove of the closure element with the coupling groove of the coupling element to force the aforementioned T-shaped leakage stop kit, O-ring, The fastening element and the C-shaped fastener gradually penetrate into the coupling groove of the aforementioned coupling element, and when the closing element gradually penetrates into the aforementioned coupling groove, and presses the aforementioned fastening element to abut against the O-ring and T-shaped leak-proof kit, Deformation of the buckling teeth of the buckling element, directly buckle In the pipe fittings, the aforementioned C-shaped fasteners are squeezed by the aforementioned closing elements, so that the fastening ring of the C-shaped fasteners can be fastened to the outer surface of the pipe fittings, which is sufficient for the pipe fittings to be fully fixed and cannot be disengaged from the engaging elements. . The pipe-type fastening and fastening structure according to claim 5, wherein a large-diameter ring is provided at the end of the aforementioned engagement element, and a plurality of bolt-holes are provided in the aforementioned large-diameter loop to anchor the engagement element and the closure element by the fastening element In combination, the coupling groove provided by the aforementioned engaging element is provided with a ring surrounding surface, and a first ring surface and a second ring surface are formed on one or both sides of the ring surrounding surface, within the first ring surface and the second ring surface. The diameters are different, and the setting and positioning of T-shaped leak-proof kits, O-rings, and fastening elements are respectively accommodated from the inside to the outside. The pipe-type fastening structure according to claim 5, wherein the aforementioned O-ring is accommodated on the second annular surface of the coupling groove of the engaging element, and is positioned against the side wall of the large-diameter ring surrounding surface of the T-shaped leak-proofing kit. By using the aforementioned O-ring and the closing element to clamp the fastening element together, the fastening teeth of the fastening element can be deformed and fastened to the wall of the pipe. According to the pipe connection fastening structure of claim 1 or 5, the thickness of the small diameter ring surrounding surface of the aforementioned T-shaped leak-proof package is closer to the front end of the T-shaped leak-proof package and becomes thinner to form a shape with a slightly inclined outer side. When the pressure of the liquid in the pipe is larger, the part closer to the surrounding surface of the large-diameter ring will produce a greater pressing effect and produce a better quality leak-proof effect. According to the pipe-type connection fastening structure of claim 1 or 5, wherein a plurality of fastening teeth are provided on the fastening tooth surface of the fastening element, and the fastening teeth are uniform or non-uniformly distributed, or the fastening teeth may be pointed or round. Arc shape or shape that can be snapped into the wall of the pipe. The pipe-type fastening structure according to claim 5, wherein the aforementioned C-type fastener can be appropriately deformed when it is squeezed by the closure element, and when the C-type fastener is squeezed by the closure element, the aforementioned C-type fastener can be used A fastening ring surface provided on the inner surface is fastened to the surface of the pipe fitting. The utility model relates to a pipe-type connecting and fastening structure, which at least comprises: an engaging element, a plurality of bolts and holes, and one or more combining grooves. The above-mentioned combining grooves are used to form a T-shaped leakage preventive kit, an O-ring, and a buckle from the inside to the outside. It is provided with a closing element, a C-shaped fastener and a nut or a closing element; it is characterized in that the pipe is passed through the nut or the closing element. Components, C-shaped fasteners, fastening components, O-rings, and T-shaped leak-proof kits, so that the end of the tube abuts against the side of the ring surrounding surface of the coupling groove of the connecting component, by changing the aforementioned nuts and couplings The locking depth of the groove or the combining depth of the closing element and the combining groove gradually pushes the aforementioned C-shaped fasteners, fastening elements, O-rings, and T-shaped leak-proof kits inward, and when the locking of the nut and the combining groove reaches When the set depth or the combination of the closure element and the coupling groove reaches the set depth, the force of the fastening element can be squeezed by the clamping of the nut or the closure element and the O-ring, which is sufficient for the fastening of the fastening element. The engaging surface is deformed upright, and the oblique engaging teeth of the engaging tooth surface of the aforementioned engaging element become vertical engaging teeth, so that the engaging teeth of the aforementioned engaging element are sufficient to be inserted into the wall surface of the pipe fitting. Then, the aforementioned C-type fastener is squeezed by the aforementioned nut or closing element, so that the fastening ring of the C-type fastener can be fastened to the outer surface of the pipe, so that the pipe is fully fixed, and it can never be separated from the connecting element. According to the pipe-type connection fastening structure of claim 11, wherein each end of the connection element is provided with a coupling groove, the coupling groove is provided with a ring surrounding surface, and a first ring is formed on one or both sides of the ring surrounding surface. Surface and second toroidal surface, the aforementioned first toroidal surface and the second toroidal surface have different inner diameters, and the T-shaped leak-proof kit, O-ring and the fastening element are respectively arranged and positioned from the inside to the outside. According to the pipe joint fastening structure according to claim 11, wherein the aforementioned fastening element is provided with a pipe hole for passing through the pipe, the aforementioned fastening element is provided with a ring surface to be accommodated in the second ring surface of the coupling groove of the connection element, The aforementioned engaging elements are provided with engaging tooth surfaces, the engaging tooth surfaces are uniformly or non-uniformly distributed by a plurality of engaging teeth, and the engaging tooth surfaces and the toroidal surfaces are non-linear, thus forming inclined engaging tooth surfaces ; Or the aforementioned engaging teeth may be pointed or arc-shaped or can be inserted into the wall surface of the pipe. The pipe-type fastening structure according to claim 11, wherein the aforementioned C-shaped fastener can be accommodated in the pipe hole of the nut or the closed element, and has a slightly conical shape. A pipe hole is provided to pass through the pipe. The aforementioned C-shaped fastener is provided with a C-shaped opening, so that the C-shaped fastener can be obtained when it is squeezed by a nut or a closing element. With appropriate deformation, the inner surface of the aforementioned C-shaped fastener is provided with one or more plural fastening ring surfaces. When the C-shaped fastener is squeezed by a nut or a closure element, the aforementioned fastening ring surface can be used for fastening. On the surface of the fitting.