CN210462104U - Reducing pipe joint - Google Patents

Reducing pipe joint Download PDF

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Publication number
CN210462104U
CN210462104U CN201921501673.XU CN201921501673U CN210462104U CN 210462104 U CN210462104 U CN 210462104U CN 201921501673 U CN201921501673 U CN 201921501673U CN 210462104 U CN210462104 U CN 210462104U
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CN
China
Prior art keywords
pipe joint
small
caliber
caliber pipe
observation hole
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Active
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CN201921501673.XU
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Chinese (zh)
Inventor
王卫春
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Jiangsu Daocheng Stainless Steel Pipe Co ltd
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Jiangsu Daocheng Stainless Steel Pipe Co ltd
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Abstract

The utility model discloses a reducing pipe joint, which comprises a large-caliber pipe joint and a small-caliber pipe joint, wherein the large-caliber pipe joint is connected with the small-caliber pipe joint through a transition pipe; the inner wall of the large-caliber pipe joint and the inner wall of the small-caliber pipe joint are respectively provided with a thermal fusion body, heating wires are wrapped in the thermal fusion bodies, the inner wall of the transition pipe is provided with a wire channel, the heating wires of the thermal fusion bodies of the large-caliber pipe joint and the heating wires of the thermal fusion bodies of the small-caliber pipe joint are electrically connected through wires, and the wires are arranged in the wire channel; the first protrusion is provided with an observation hole B corresponding to the hot melt adhesive in a penetrating manner, and the second protrusion is provided with an observation hole C corresponding to the hot melt adhesive in a penetrating manner. The reducing pipe joint has the advantages of simple structure, convenience in use, time and labor saving in operation, high working efficiency and the like, and the reducing pipe joint is high in overall strength and not easy to damage.

Description

Reducing pipe joint
Technical Field
The utility model relates to a reducing pipe joint technical field especially relates to a reducing pipe joint.
Background
In the engineering fields of petroleum, chemical engineering, food, medical treatment and the like, a large number of different-diameter pipe joint products are used, the existing different-diameter pipe joints mainly comprise large-diameter pipe joints, inclined transition pipes and small-diameter pipe joints, the large-diameter pipe joints are used for being plugged with large-diameter pipes, the small-diameter pipe joints are used for being plugged with small-diameter pipes, and the inclined transition pipes play a role in communication between the large-diameter pipe joints and the small-diameter pipe joints. However, after the large-diameter pipe is inserted into the large-diameter pipe joint, a gap space exists between the large-diameter pipe joint and the large-diameter pipe, the sealing performance is poor, the risk that the large-diameter pipe falls off from the large-diameter pipe joint easily exists, and similarly, the above-mentioned defects also exist between the small-diameter pipe joint and the small-diameter pipe.
SUMMERY OF THE UTILITY MODEL
An weak point to prior art exists, the utility model aims to provide a reducing pipe joint equally divide at the inside pipe wall of heavy-calibre pipe joint and the inside pipe wall of small-bore pipe joint and do not are equipped with the heat fusion body, and the parcel has the heating wire in every heat fusion body, carries out electrical heating to the heat fusion body when the heating wire circular telegram and makes it soften and fill the gap space between coupling and the pipe to firm in connection performance between coupling and the pipe has also been strengthened.
The purpose of the utility model is realized through the following technical scheme:
a reducing pipe joint comprises a pipe joint, wherein the pipe joint comprises a large-caliber pipe joint and a small-caliber pipe joint, the large-caliber pipe joint is connected with the small-caliber pipe joint through a transition pipe, the large-caliber pipe joint, the transition pipe and the small-caliber pipe joint are sequentially communicated, a first bulge is arranged between the large-caliber pipe joint and the transition pipe, and a second bulge is arranged between the small-caliber pipe joint and the transition pipe; the inner wall of the large-caliber pipe joint and the inner wall of the small-caliber pipe joint are respectively provided with a hot fusion body, heating wires are wrapped in the hot fusion bodies, the inner wall of the transition pipe is provided with a wire channel, the heating wires of the hot fusion bodies of the large-caliber pipe joint and the heating wires of the hot fusion bodies of the small-caliber pipe joint are electrically connected through wires, and the wires are arranged in the wire channel; the first protrusion is provided with an observation hole B corresponding to the hot melt adhesive in a penetrating manner, and the second protrusion is provided with an observation hole C corresponding to the hot melt adhesive in a penetrating manner.
The utility model provides a first external wire arrangement structure technical scheme is: an external lead is arranged in the first raised observation hole B and is electrically connected with the electric heating wire of the heat fusion body of the large-caliber pipe joint.
The utility model provides a second external conductor arrangement structure technical scheme is: an external lead is arranged in the observation hole C of the second bulge, and the external lead is electrically connected with the heating wire of the heat fusion body of the small-caliber pipe joint.
Preferably, the cross section of the heat-fused body is circular ring-shaped.
Preferably, the end part of the large-caliber pipe joint is convexly provided with a large-caliber pipe end bulge, and the large-caliber pipe end bulge is longitudinally provided with an observation hole A in a penetrating manner.
Preferably, the small-caliber pipe joint end part is provided with a small-caliber pipe end bulge in a bulge mode, and the small-caliber pipe end bulge is longitudinally provided with an observation hole D in a penetrating mode.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
(1) the utility model provides a novel reducing pipe joint structure equally divide at the inside pipe wall of heavy-calibre coupling and the inside pipe wall of small-bore coupling and do not be equipped with the heat fusion body, and the parcel has the heating wire in every heat fusion body, carries out electrical heating to the heat fusion body when the heating wire circular telegram and makes it soften and fill the clearance space between coupling and the pipe to the firm in connection performance between coupling and the pipe has also been strengthened.
(2) The utility model has the advantages of simple structure, convenient to use, operation labour saving and time saving, work efficiency height, reducing pipe connects's bulk strength is high and be difficult to damage.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the utility model in use;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a cross-sectional view of fig. 2.
Wherein, the names corresponding to the reference numbers in the drawings are:
1-pipe joint, 2-large-caliber pipe joint, 3-transition pipe, 4-small-caliber pipe joint, 5-large-caliber pipe end bulge, 51-observation hole A, 6-first bulge, 61-observation hole B, 7-second bulge, 71-observation hole C, 8-small-caliber pipe end bulge, 81-observation hole D, 9-heat fusion body, 10-heating wire, 11-lead channel, 12-large-caliber pipe and 13-small-caliber pipe.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example one
As shown in fig. 1 to 4, a pipe joint of different diameters includes a pipe joint 1, the pipe joint 1 includes a large-diameter pipe joint 2 and a small-diameter pipe joint 4, the large-diameter pipe joint 2 is connected with the small-diameter pipe joint 4 through a transition pipe 3, the large-diameter pipe joint 2, the transition pipe 3 and the small-diameter pipe joint 4 are sequentially communicated to form an internal pipeline of the pipe joint 1, a first protrusion 6 is arranged between the large-diameter pipe joint 2 and the transition pipe 3, and a second protrusion 7 is arranged between the small-diameter pipe joint 4 and the transition pipe 3. The inner wall of the large-caliber pipe joint 2 is provided with a thermal fusion body 9, the inner wall of the small-caliber pipe joint 4 is provided with the thermal fusion body 9, the cross section of each thermal fusion body 9 is in a ring shape (namely, the whole thermal fusion body 9 is in a ring cylinder shape), an electric heating wire 10 is wrapped inside each thermal fusion body 9, the thermal fusion body 9 is made of a random copolymer polypropylene material (PPR for short), the melting and softening temperature of the random copolymer polypropylene material is 230 ℃, and when the electric heating wire 10 is electrified and heated to 230 ℃, the thermal fusion body 9 can be melted or softened.
As shown in fig. 3, a wire passage 11 is formed in the inner wall of the transition pipe 3, and the heating wire 10 of the large-diameter pipe joint 2 is electrically connected to the heating wire 10 of the small-diameter pipe joint 4 through a wire, which is disposed in the wire passage 11. As shown in fig. 3, the first protrusion 6 is provided with a viewing hole B61 corresponding to the thermal fuse 9, and the second protrusion 7 is provided with a viewing hole C71 corresponding to the thermal fuse 9. An external lead is arranged in the observation hole B61 of the first protrusion 6 of the present embodiment, the external lead is electrically connected to the heating wires 10 of the heat fusion bodies 9 of the large-diameter pipe joint 2, the external lead is electrically connected to an external power source, all the heating wires 10 of the heat fusion bodies 9 are powered by the external power source, and the heating wires 10 are powered to generate heat and electrically heat the heat fusion bodies 9 in the large-diameter pipe joint 2 and the small-diameter pipe joint 4 respectively to melt and soften the heat fusion bodies. The observation hole B61 of the present embodiment serves as both a hole for inserting an external lead and an observation hole for observing the internal state of the thermal fusion product 9 of the large-diameter pipe joint 2. The observation hole C71 of the present embodiment is used as an observation hole for observing the state of the inside of the thermal fusion product 9 of the small-diameter pipe joint 4.
As shown in fig. 1 and 2, a large-diameter pipe end protrusion 5 is convexly arranged at the end portion of the large-diameter pipe joint 2, an observation hole a51 longitudinally penetrates through the large-diameter pipe end protrusion 5, when the large-diameter pipe joint 2 is inserted into the large-diameter pipe 12, the observation hole a51 is used for observing the position condition of the large-diameter pipe 12 inserted into the large-diameter pipe joint 2, when the large-diameter pipe joint 2 is used, if the length of the large-diameter pipe joint 2 is L1, a mark can be made at the position of the large-diameter pipe 12, which is far from the pipe orifice L1, and whether the large-diameter pipe 12 is inserted in place or not can be. The end part of the small-caliber pipe joint 4 is convexly provided with a small-caliber pipe end protrusion 8, the small-caliber pipe end protrusion 8 is longitudinally penetrated and provided with an observation hole D81, the observation hole D81 is used for observing the position condition that the small-caliber pipe 13 is inserted into the large-caliber pipe joint 4, when the small-caliber pipe joint is used, if the length of the small-caliber pipe joint 4 is L2, a mark can be made at the position of the small-caliber pipe 13, which is far away from the pipe opening L2, and whether the small-caliber pipe 13 is inserted in place or not is observed through the observation hole.
As shown in fig. 2 and 4, when in use, the large-caliber pipe 12 is inserted into the large-caliber pipe joint 2, the small-caliber pipe 13 is inserted into the small-caliber pipe joint 4, and then the external lead of the observation hole B61 is electrically connected to an external power supply, because the heating wire 10 of the large-caliber pipe joint 2 is connected with the heating wire 10 of the small-caliber pipe joint 4 through a lead string, the heating wire 10 of the large-caliber pipe joint 2 and the heating wire 10 of the small-caliber pipe joint 4 are both electrified to generate heat, the heating wire 10 of the large-caliber pipe joint 2 carries out hot melting and heating on the hot fusion body 9 of the inner wall of the large-caliber pipe joint 2 to melt and soften the softened hot fusion body 9 is closely filled between the outer wall of the large-caliber pipe 12 and the inner wall of the large-caliber pipe joint 2, so that no coherent clearance space exists between the outer wall of the large-caliber pipe 12 and the inner wall of the, the material in the large-caliber pipe 12 is prevented from volatilizing or leaking, and the firm splicing performance between the large-caliber pipe 12 and the large-caliber pipe joint 2 is enhanced. In a similar way, the heating wire 10 of the small-caliber pipe joint 4 carries out hot melting heating on the hot fused body 9 on the inner wall of the small-caliber pipe joint 4 to melt and soften the hot fused body, the softened hot fused body 9 is hermetically filled between the outer wall of the small-caliber pipe 13 and the inner wall of the small-caliber pipe joint 4, so that no coherent gap space exists between the outer wall of the small-caliber pipe 13 and the inner wall of the small-caliber pipe joint 4, the sealing performance is higher, the situations of volatilization or leakage of materials in the small-caliber pipe 13 are prevented, and the splicing firmness performance between the small-caliber pipe 13 and the small-caliber pipe joint 4 is enhanced.
Example two
As shown in fig. 1 to 4, a pipe joint of different diameters includes a pipe joint 1, the pipe joint 1 includes a large-diameter pipe joint 2 and a small-diameter pipe joint 4, the large-diameter pipe joint 2 is connected with the small-diameter pipe joint 4 through a transition pipe 3, the large-diameter pipe joint 2, the transition pipe 3 and the small-diameter pipe joint 4 are sequentially communicated to form an internal pipeline of the pipe joint 1, a first protrusion 6 is arranged between the large-diameter pipe joint 2 and the transition pipe 3, and a second protrusion 7 is arranged between the small-diameter pipe joint 4 and the transition pipe 3. The inner wall of the large-caliber pipe joint 2 is provided with a thermal fusion body 9, the inner wall of the small-caliber pipe joint 4 is provided with the thermal fusion body 9, the cross section of each thermal fusion body 9 is in a ring shape (namely, the whole thermal fusion body 9 is in a ring cylinder shape), an electric heating wire 10 is wrapped inside each thermal fusion body 9, the thermal fusion body 9 is made of a random copolymer polypropylene material (PPR for short), the melting and softening temperature of the random copolymer polypropylene material is 230 ℃, and when the electric heating wire 10 is electrified and heated to 230 ℃, the thermal fusion body 9 can be melted or softened.
As shown in fig. 3, a wire passage 11 is formed in the inner wall of the transition pipe 3, and the heating wire 10 of the large-diameter pipe joint 2 is electrically connected to the heating wire 10 of the small-diameter pipe joint 4 through a wire, which is disposed in the wire passage 11. An external lead is arranged in the observation hole C71 of the second protrusion 7 of the present embodiment, the external lead is electrically connected to the heating wires 10 of the heat fusion bodies 9 of the small-diameter pipe joint 4, the external lead is electrically connected to an external power source, the external power source supplies power to the heating wires 10 of all the heat fusion bodies 9, and the heating wires 10 are electrically powered to generate heat and electrically heat the heat fusion bodies 9 in the large-diameter pipe joint 2 and the small-diameter pipe joint 4 respectively to melt and soften the heat fusion bodies.
As shown in fig. 1 and 2, a large-diameter pipe end protrusion 5 is convexly arranged at the end portion of the large-diameter pipe joint 2, an observation hole a51 longitudinally penetrates through the large-diameter pipe end protrusion 5, when the large-diameter pipe joint 2 is inserted into the large-diameter pipe 12, the observation hole a51 is used for observing the position condition of the large-diameter pipe 12 inserted into the large-diameter pipe joint 2, when the large-diameter pipe joint 2 is used, if the length of the large-diameter pipe joint 2 is L1, a mark can be made at the position of the large-diameter pipe 12, which is far from the pipe orifice L1, and whether the large-diameter pipe 12 is inserted in place or not can be. The end part of the small-caliber pipe joint 4 is convexly provided with a small-caliber pipe end protrusion 8, the small-caliber pipe end protrusion 8 is longitudinally penetrated and provided with an observation hole D81, the observation hole D81 is used for observing the position condition that the small-caliber pipe 13 is inserted into the large-caliber pipe joint 4, when the small-caliber pipe joint is used, if the length of the small-caliber pipe joint 4 is L2, a mark can be made at the position of the small-caliber pipe 13, which is far away from the pipe opening L2, and whether the small-caliber pipe 13 is inserted in place or not is observed through the observation hole.
As shown in fig. 2 and 4, when in use, the large-caliber pipe 12 is inserted into the large-caliber pipe joint 2, the small-caliber pipe 13 is inserted into the small-caliber pipe joint 4, and then the external power supply is electrically connected through the external lead in the observation hole C71, because the heating wire 10 of the large-caliber pipe joint 2 is connected with the heating wire 10 of the small-caliber pipe joint 4 through the lead in series, the heating wire 10 of the large-caliber pipe joint 2 and the heating wire 10 of the small-caliber pipe joint 4 are both electrified to generate heat, the heating wire 10 of the large-caliber pipe joint 2 carries out hot melting and heating on the hot fusion body 9 on the inner wall of the large-caliber pipe joint 2 to melt and soften the softened hot fusion body 9 is closely filled between the outer wall of the large-caliber pipe 12 and the inner wall of the large-caliber pipe joint 2, so that no coherent clearance space exists between the outer wall of the large-caliber pipe 12 and the inner wall of the, the material in the large-caliber pipe 12 is prevented from volatilizing or leaking, and the firm splicing performance between the large-caliber pipe 12 and the large-caliber pipe joint 2 is enhanced. In a similar way, the heating wire 10 of the small-caliber pipe joint 4 carries out hot melting heating on the hot fused body 9 on the inner wall of the small-caliber pipe joint 4 to melt and soften the hot fused body, the softened hot fused body 9 is hermetically filled between the outer wall of the small-caliber pipe 13 and the inner wall of the small-caliber pipe joint 4, so that no coherent gap space exists between the outer wall of the small-caliber pipe 13 and the inner wall of the small-caliber pipe joint 4, the sealing performance is higher, the situations of volatilization or leakage of materials in the small-caliber pipe 13 are prevented, and the splicing firmness performance between the small-caliber pipe 13 and the small-caliber pipe joint 4 is enhanced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a reducing pipe joint, includes coupling (1), coupling (1) is including heavy-calibre coupling (2) and small-bore coupling (4), heavy-calibre coupling (2) are connected through transition pipe (3) with small-bore coupling (4), heavy-calibre coupling (2), transition pipe (3), small-bore coupling (4) communicate its characterized in that in proper order: a first bulge (6) is arranged between the large-caliber pipe joint (2) and the transition pipe (3), and a second bulge (7) is arranged between the small-caliber pipe joint (4) and the transition pipe (3); the inner wall of the large-caliber pipe joint (2) and the inner wall of the small-caliber pipe joint (4) are respectively provided with a hot-melt body (9), an electric heating wire (10) is wrapped in the hot-melt body (9), the inner wall of the transition pipe (3) is provided with a lead channel (11), the electric heating wire (10) of the hot-melt body (9) of the large-caliber pipe joint (2) is electrically connected with the electric heating wire (10) of the hot-melt body (9) of the small-caliber pipe joint (4) through a lead, and the lead is arranged in the lead channel (11); the first bulge (6) is provided with an observation hole B (61) corresponding to the heat fusion body (9) in a penetrating manner, and the second bulge (7) is provided with an observation hole C (71) corresponding to the heat fusion body (9) in a penetrating manner.
2. A reducer union according to claim 1, wherein: an external lead is arranged in an observation hole B (61) of the first bulge (6), and the external lead is electrically connected with an electric heating wire (10) of a hot fused body (9) of the large-caliber pipe joint (2).
3. A reducer union according to claim 1, wherein: an external lead is arranged in an observation hole C (71) of the second protrusion (7), and the external lead is electrically connected with an electric heating wire (10) of a hot melt body (9) of the small-caliber pipe joint (4).
4. A reducer union according to claim 1, wherein: the cross section of the hot-melt body (9) is in a ring shape.
5. A reducer union according to claim 1, wherein: the end part of the large-caliber pipe joint (2) is convexly provided with a large-caliber pipe end bulge (5), and the large-caliber pipe end bulge (5) is longitudinally provided with an observation hole A (51) in a penetrating manner.
6. A reducer joint according to claim 1 or 5, wherein: the small-caliber pipe joint is characterized in that a small-caliber pipe end bulge (8) is arranged at the end part of the small-caliber pipe joint (4) in a protruding mode, and an observation hole D (81) longitudinally penetrates through the small-caliber pipe end bulge (8).
CN201921501673.XU 2019-09-10 2019-09-10 Reducing pipe joint Active CN210462104U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921501673.XU CN210462104U (en) 2019-09-10 2019-09-10 Reducing pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921501673.XU CN210462104U (en) 2019-09-10 2019-09-10 Reducing pipe joint

Publications (1)

Publication Number Publication Date
CN210462104U true CN210462104U (en) 2020-05-05

Family

ID=70434091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921501673.XU Active CN210462104U (en) 2019-09-10 2019-09-10 Reducing pipe joint

Country Status (1)

Country Link
CN (1) CN210462104U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A type of reducer joint

Granted publication date: 20200505

Pledgee: Bank of China Limited Nanjing Jiangbei New Area Branch

Pledgor: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD.

Registration number: Y2024980014520