CN214789528U - Novel anti-drop pipe fitting with plastic lining - Google Patents

Abstract

The utility model is suitable for a pipe fitting technical field is moulded to anti-drop inside lining, provides a novel pipe fitting is moulded to anti-drop inside lining, including female pipe, son pipe and clamp, female pipe with son pipe all includes interior bushing pipe and external takeover: the outer surface of the lining pipe is provided with a spiral bulge, and one end of the lining pipe is provided with an outer curled edge; the inner surface of the external connecting pipe is provided with a spiral groove corresponding to the spiral bulge of the lining pipe, and the lining pipe is screwed in the external connecting pipe through the spiral bulge; one end of each external connecting pipe is provided with a bulge, the bulge ends of the two external connecting pipes are fixedly connected through the clamp in a butt joint mode, and a sealing ring is arranged on the butt joint surface of the bulges; the clamp includes first main part, second main part, rotatory round pin, anchorage bar and fastening bolt, borrows this, the utility model discloses an effect that the bushing pipe drops is prevented in the realization, the simple reliable effect of bushing pipe installation is realized.

Description

Novel anti-drop pipe fitting with plastic lining

Technical Field

The utility model relates to a pipe fitting technical field is moulded to the anti-drop inside lining, especially relates to a novel pipe fitting is moulded to anti-drop inside lining.

Background

The spigot-and-socket metal pipe with plastic lining has the advantages of good mechanical performance, sanitation, environmental protection, low energy consumption, high water conveying efficiency, low operation cost, long service life, strong environmental applicability and the like, and is a pipeline which is most suitable for conveying tap water at present. The plastic layer and the metal level bonding of back tubular product both ends face are accomplished in inside lining plastic tubing socket joint formula tubular metal resonator preparation are firm, the short time use is also safe relatively, nevertheless long or stack in the open air for a long time when tubular product live time, the metal level of both ends face can produce certain corrosion, the plastic layer that leads to tubular product both ends face produces the separation with the metal level and drops, simultaneously in the combined action of the tensile stress that the plastic layer shrink produced, the area of plastic layer and metal level separation is bigger and bigger, finally probably lead to the plastic layer to have turn-ups under the effect of water power to block up the pipeline, influence the normal water supply of pipeline, and mould the pipe and can only change to the inside lining of damage, can't realize directly changing the inside lining and mould the pipe.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To foretell defect, the utility model aims to provide a novel pipe fitting is moulded to anti-drop inside lining, it can realize that the inside lining is moulded the pipe fitting and is damaging under the state such as corruption, realizes simple operation and changes inside plastic tubing, and the bolt device that increases can be fine fix a person, prevents droing of the interior bushing pipe of plastics, has increased the clamp fastening and has realized the dismouting and change the convenience.

In order to realize the above-mentioned purpose, the utility model provides a novel pipe fitting is moulded to anti-drop inside lining, including female pipe, son pipe and clamp, female pipe with son pipe all includes interior bushing pipe and outer takeover: the outer surface of the lining pipe is provided with a spiral bulge, and one end of the lining pipe is provided with an outer curled edge; the inner surface of the external connecting pipe is provided with a spiral groove corresponding to the spiral bulge of the lining pipe, and the lining pipe is screwed in the external connecting pipe through the spiral bulge; one end of each external connecting pipe is provided with a bulge, the bulge ends of the two external connecting pipes are fixedly connected through the clamp in a butt joint mode, and a sealing ring is arranged on the butt joint surface of the bulges; the clamp includes a first body, a second body, a pin, a fastening rod, and a fastening bolt.

According to the utility model discloses a novel pipe fitting is moulded to anti-drop inside lining, it is equipped with the flange to connect one side of managing outward, the circle is equipped with the recess of 2mm degree of depth in the flange, the recess with the turn-up cooperation of interior bushing pipe.

According to the utility model discloses a novel pipe fitting is moulded to anti-drop inside lining, the protruding shape of outer takeover is trapezoidal.

According to the utility model discloses a novel pipe fitting is moulded to anti-drop inside lining, female intraductal lining pipe length slightly is less than connect the pipe outward, the interior lining pipe length slightly of son pipe is greater than connect the length of managing outward, female manage the length of managing more than with the intraductal lining pipe of son is gone out length and is corresponded.

According to the utility model discloses a novel pipe fitting is moulded to anti-drop inside lining, the terminal surface of inside lining pipe is equipped with the sealing washer.

According to the utility model discloses a novel pipe fitting is moulded to anti-drop inside lining, the first main part and the second main part of clamp are two semicircular structures, first main part and second main part one side are swing joint, first main part and second main part opposite side can be dismantled for fixed connection.

The utility model provides a novel pipe fitting is moulded to anti-drop inner lining, including female pipe, son pipe and clamp, female pipe with son pipe all includes interior bushing pipe and outer takeover: the outer surface of the lining pipe is provided with a spiral bulge, one end of the lining pipe is provided with an outer curled edge, and the lining can be well fixed relative to the outer connecting pipe by adding an outer curled edge structure, so that the lining pipe is prevented from being moved along the axial direction, and the lining pipe can also be well positioned; the inner surface of the external connecting pipe is provided with a spiral groove corresponding to the spiral bulge of the lining pipe, the lining pipe is screwed in the external connecting pipe through the spiral bulge, and the lining pipe is directly screwed in through the matching of the groove and the bulge, so that the connection is simple and convenient; the outer pipe one end of taking over is equipped with the arch, two outer protruding end butt joints of taking over pass through clamp fixed connection, protruding butt joint face is equipped with the sealing washer, can utilize bellied trapezoidal inclined plane when the clamp is fastened, and the atress when the guarantee is fastened realizes sealed and the good effect of fastening.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the lining pipe of the present invention;

FIG. 4 is a schematic view of the external connection structure of the present invention;

FIG. 5 is a schematic structural view of the main tube of the present invention;

FIG. 6 is a schematic view of the structure of the sub-pipe of the present invention;

fig. 7 is a schematic view of the clamp structure of the present invention;

in the figure, 1-inner liner, 2-outer liner, 3-female liner, 4-clamp, 5-male liner, 101-spiral protrusion, 102-inner liner body, 103-inner liner curl, 201-outer liner groove, 202-seal ring, 203-clamp rail, 204-flange, 205-bolt hole, 401-clamp body, 402-fixing column, 403-fixing nut, 404-pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1 and 3, the utility model provides a novel pipe fitting is moulded to anti-drop inside lining, this novel pipe fitting is moulded to anti-drop inside lining includes female pipe 3, son pipe 5 and clamp 4, female pipe 3 and son 5 pipe all are equipped with interior bushing pipe 1 and external pipe 2, connect with clamp 4 between female pipe 3 and the son pipe 5, utilize clamp 4 to connect, the simplicity of installation and dismantlement has been guaranteed, external pipe 2 and interior bushing pipe 1 are connected in the mode of spiro union, be equipped with spiral groove 201 structure on the inner wall of external pipe 2, be equipped with spiral protrusion 101 on the outer wall of interior bushing pipe 1, two kinds of structure cooperation spiro union, realize the firm reliability of interior outer union coupling, prevent that interior bushing 1 from taking off from external pipe 2;

referring to fig. 1 and fig. 2 better, the one end of external pipe 2 is equipped with trapezoidal arch card rail 203 promptly, and two external pipes can normal cooperation through butt joint card rail 203, and with the 203 outer wall of card rail under the effect of clamp 4, realize the atress to the direction effect of locking, can be fine like this with two external pipes 2 fixed butt joints. And a sealing ring 202 is also arranged on a clamping rail 203 of the external connecting pipe 2 to ensure the sealing and water discharging performance of the pipeline.

Referring to fig. 1 and 3 preferred, the utility model discloses an outer 2 one sides of taking over is equipped with ring flange 204, the circle is equipped with the recess of 2mm degree of depth in the ring flange 204, the recess with interior bushing turn-up 103 cooperation is equipped with bolt hole 205 on the ring flange 204 of addding, can be at the different subassembly of ring flange 204 butt joint, is equipped with the recess about 2mm simultaneously on the butt joint face of ring flange 204, and recess and interior bushing turn-up outside of tubes 103 cooperate, can realize the positioning action of interior bushing 1, guarantee that interior bushing 1 installs in place, also can fix interior bushing 1, prevent that interior bushing 1 from droing.

Referring to fig. 4 and 6, in addition, the length of the liner tube 1 in the main tube 3 of the present invention is slightly smaller than the length of the outer tube 2, the length of the liner tube 1 in the sub-tube 5 is slightly larger than the length of the outer tube 2, the length of the outer tube 2 in the main tube 3 is corresponding to the length of the liner tube 1 in the sub-tube 5, by this structure, the extra portion of the liner tube 1 in the sub-tube 5 can be connected with the extra portion of the outer tube 2 in the main tube 3, so that the liner tube 1 is butt-jointed and matched inside the outer tube 2, the top of the liner tube 1 is provided with a sealing ring 202, the stroke is well sealed after the two ends are butt-jointed, it is ensured that the liquid inside can not flow out through the gap of the liner tube 1 and contact with the outer tube 2 outside, which causes the corrosion damage of the outer tube 2, in addition, it is also ensured that the butt-joint surface of the liner tube 1 and the butt-joint surface of the outer tube 2 are crossed, and the phenomenon that the clamp 4 is fastened insecurely can be prevented when in the same plane, the reliability of the joint surface and the fastening is ensured.

Further referring to fig. 7, the utility model discloses a clamp main part 401 of clamp 4 is two semicircular structure, two clamp main part 401 one sides are swing joint, two clamp main part 401 opposite sides are fixed connection and can dismantle, one side of fixed connection, and the one end swing joint of dead lever 402 is on one of them clamp main part 401, and the other end is equipped with fixation nut 403, and one side of another clamp main part 401 is equipped with unable adjustment base, and both cooperate and can fasten clamp 4, realize the effect that clamp 4 fastened.

To sum up, novel pipe fitting is moulded to anti-drop inside lining, including female pipe, son pipe and clamp, female pipe with son pipe all includes interior bushing pipe and external pipe: the outer surface of the lining pipe is provided with a spiral bulge, one end of the lining pipe is provided with an outer curled edge, and the lining can be well fixed relative to the outer connecting pipe by adding an outer curled edge structure, so that the lining pipe is prevented from being moved along the axial direction, and the lining pipe can also be well positioned; the inner surface of the external connecting pipe is provided with a spiral groove corresponding to the spiral bulge of the lining pipe, the lining pipe is screwed in the external connecting pipe through the spiral bulge, and the lining pipe is directly screwed in through the matching of the groove and the bulge, so that the connection is simple and convenient; the outer pipe one end of taking over is equipped with the arch, two outer protruding end butt joints of taking over pass through clamp fixed connection, protruding butt joint face is equipped with the sealing washer, can utilize bellied trapezoidal inclined plane when the clamp is fastened, and the atress when the guarantee is fastened realizes sealed and the good effect of fastening.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims (6)

1. The utility model provides a novel pipe fitting is moulded to anti-drop inside lining, a serial communication port, including female pipe, son pipe and clamp, female pipe with son pipe all includes interior bushing pipe and external pipe:

the outer surface of the lining pipe is provided with a spiral bulge, and one end of the lining pipe is provided with an outer curled edge; the inner surface of the external connecting pipe is provided with a spiral groove corresponding to the spiral bulge of the lining pipe, and the lining pipe is screwed in the external connecting pipe through the spiral bulge;

one end of each external connecting pipe is provided with a bulge, the bulge ends of the two external connecting pipes are fixedly connected through the clamp in a butt joint mode, and a sealing ring is arranged on the butt joint surface of the bulges;

the clamp includes a first body, a second body, a pin, a fastening rod, and a fastening bolt.

2. The anti-drop novel pipe fitting is moulded to inside lining of claim 1, characterized in that, external pipe one side is equipped with the flange, the circle is equipped with the recess of 2mm degree of depth in the flange, the recess with the turn-up cooperation of interior bushing pipe.

3. The anti-drop novel pipe fitting is moulded to inside lining of claim 1, characterized in that, the external pipe protruding shape is trapezoidal.

4. The anti-drop novel pipe fitting with the plastic liner as claimed in claim 1, wherein the length of the liner pipe in the main pipe is slightly less than that of the external pipe, the length of the liner pipe in the sub pipe is slightly greater than that of the external pipe, and the length of the external pipe in the main pipe corresponds to that of the liner pipe in the sub pipe.

5. The anti-drop novel pipe fitting of moulding inside lining of claim 1, characterized in that, the terminal surface of interior bushing pipe is equipped with the sealing washer.

6. The anti-drop novel pipe fitting is moulded to inside lining of claim 1, characterized in that, the first main part and the second main part of clamp are two semicircular structures, first main part and second main part one side are swing joint, first main part and second main part opposite side are fixed connection and can dismantle.

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