CN209881360U - Flame-retardant PVC (polyvinyl chloride) power pipe with good insulativity - Google Patents
Flame-retardant PVC (polyvinyl chloride) power pipe with good insulativity Download PDFInfo
- Publication number
- CN209881360U CN209881360U CN201920276280.7U CN201920276280U CN209881360U CN 209881360 U CN209881360 U CN 209881360U CN 201920276280 U CN201920276280 U CN 201920276280U CN 209881360 U CN209881360 U CN 209881360U
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- power pipe
- electric power
- threaded sleeve
- side wall
- groove
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Abstract
The utility model relates to a cable duct technical field, and a fire-retardant PVC electric power pipe that insulating nature is good is disclosed, including the electric power pipe main part, the annular rotary trough has been seted up to the lateral wall of electric power pipe main part, the cross-section of rotary trough is the T type, and the inside rotation of rotary trough be connected with rotary trough assorted turning block, the lateral wall fixedly connected with threaded sleeve of turning block, annular first connecting groove has been seted up to the inside wall one end of electric power pipe main part, first connecting groove and threaded sleeve are located same one side of electric power pipe main part, threaded sleeve's inside wall is kept away from in first connecting groove has seted up annular first mounting groove, the inside of first mounting groove is inlayed and is equipped with first sealing washer, the electric power pipe main part is kept away from threaded sleeve's lateral wall and has seted. The utility model discloses can guarantee the stability and the leakproofness of two electric power pipe main part junctions effectively, and can dispel the heat to the inside cable of electric power pipe main part effectively.
Description
Technical Field
The utility model relates to a cable duct technical field especially relates to a fire-retardant PVC electric power pipe that insulating nature is good.
Background
The electric wire and cable is used as an electric energy and information transmission body and widely applied to various fields, the electric wire and cable are generally laid underground, the working environment is severe, the ground pressure is borne greatly, the electric power pipe is usually laid on a cable pipeline for protecting the cable at present, but the underground environment is complex and severe, higher requirements are provided for the quality requirements of the protection pipe, particularly, the cable is laid underground, if the insulation effect is poor, the caused harm is serious, therefore, people design the flame-retardant PVC electric power pipe with good insulation property.
The connection mode of current a plurality of good fire-retardant PVC electric power pipes of insulating nature is generally with the inside of inserting one of them electric power pipe's one end into another electric power pipe to scribble glue in the junction of two electric power pipes and fix and sealed in order to accomplish two electric power union coupling departments, wait that glue solidifies the back and install the electric power pipe again, in transportation and the installation to the electric power pipe, the glue of the junction of two electric power pipes receives vibrations easily and the phenomenon of splitting appears, thereby make the connection of two electric power pipes firm inadequately, the leakproofness is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the connection of two power tubes is firm inadequately among the prior art, and the leakproofness is relatively poor, and the fire-retardant PVC power tube that insulating nature is good that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a flame-retardant PVC electric power pipe with good insulativity comprises an electric power pipe main body, wherein an annular rotary groove is formed in the side wall of the electric power pipe main body, the cross section of the rotary groove is T-shaped, a rotary block matched with the rotary groove is rotatably connected inside the rotary groove, a threaded sleeve is fixedly connected to the side wall of the rotary block, an annular first connecting groove is formed in one end of the inner side wall of the electric power pipe main body, the first connecting groove and the threaded sleeve are positioned on the same side of the electric power pipe main body, an annular first mounting groove is formed in the inner side wall, away from the threaded sleeve, of the first connecting groove, a first sealing ring is embedded inside the first mounting groove, a sealing groove matched with the first sealing ring is formed in the side wall, away from the threaded sleeve, of the electric power pipe main body, and a second connecting groove matched with the first connecting groove is formed in the outer side wall, away from, the utility model discloses a power tube, including first spread groove, second spread groove, threaded sleeve, annular second mounting groove, annular second sealing washer, annular fixed slot, annular third mounting groove, the inside wall that threaded sleeve one end was kept away from to the power tube main part, the inside wall that the fixed slot is close to power tube main part axial lead is provided with threaded sleeve assorted external screw thread, the fixed slot is close to threaded sleeve's inside wall and has been seted up annular third mounting groove, the inside of third mounting groove is inlayed and is equipped with the third sealing washer, the lateral wall that the second sealing washer was kept away from to the power tube main part sets up the spacing groove that two symmetries set up, the second spread groove is close to threaded sleeve's inside wall fixedly connected with and two spacing groove assorted stoppers.
Preferably, the inner wall of the power tube main body is fixedly connected with a support ring, and the inner wall of the support ring is fixedly connected with a cross-shaped support frame.
Preferably, the four corners of the support frame are fixedly connected with arc-shaped heat conducting strips.
Preferably, one end of the first sealing ring close to the threaded sleeve is provided with two first inclined planes which are symmetrically arranged, and one end of the second sealing ring far away from the threaded sleeve is provided with a second inclined plane.
Preferably, a plurality of uniformly distributed accommodating grooves are formed in the outer side wall of the threaded sleeve, and the inner side wall, close to the axial lead of the threaded sleeve, of the accommodating grooves is fixedly connected with an operating rod.
Preferably, the first sealing ring, the second sealing ring and the third sealing ring are all made of rubber materials.
Compared with the prior art, the utility model provides a fire-retardant PVC electric power pipe that insulating nature is good possesses following beneficial effect:
1. the flame-retardant PVC electric power pipe with good insulativity is characterized in that the threaded sleeve is arranged, when a plurality of electric power pipe main bodies are required to be connected together, two limit blocks on a first electric power pipe main body are respectively sleeved with two limit grooves on a second electric power pipe main body, a second connecting groove on the first electric power pipe main body is sleeved with a first connecting groove on the second electric power pipe main body, the threaded sleeve on the second electric power pipe main body is in threaded connection with a fixed groove on the first electric power pipe main body, the two electric power pipe main bodies are fixedly connected together through the threaded sleeve, a first sealing ring on the second electric power pipe main body is inserted into a sealing groove on the first electric power pipe main body, the outer side wall of a second sealing ring on the first electric power pipe main body is abutted against the inner wall of the first connecting groove on the second electric power pipe main body, and the side wall of a third sealing ring on the first electric power pipe main body is abutted against the side wall of the threaded sleeve on the second electric power, through setting up first sealing washer, second sealing washer and third sealing washer, guaranteed the leakproofness of two electric power pipe main part junctions effectively, and the threaded sleeve has guaranteed the stability of two electric power pipe main part junctions effectively.
2. This fire-retardant PVC power tube that insulating nature is good, through setting up support ring and support frame, support ring and support frame play the supporting role to the power tube main part, and support frame and support ring separate into four independent regions with the inside of power tube main part to separate the cable, through setting up the heat conduction strip, can derive the outside to the power tube main part with the produced heat of the inside cable of power tube main part effectively, strengthen the inside radiating effect of power tube main part.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can guarantee the stability and the leakproofness of two electric power pipe main part junctions effectively, and can dispel the heat to the inside cable of electric power pipe main part effectively.
Drawings
Fig. 1 is a schematic structural view of a flame retardant PVC power tube with good insulation performance provided by the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of a connection structure of two power tube main bodies of a flame retardant PVC power tube with good insulation property provided by the present invention;
fig. 4 is a schematic structural view of a portion B in fig. 3.
In the figure: the heat conducting device comprises a power tube main body 1, a rotating block 2, a threaded sleeve 3, a first connecting groove 4, a first sealing ring 5, a second sealing ring 6, a third sealing ring 7, a supporting ring 8, a supporting frame 9, a heat conducting strip 10, a first inclined plane 11, an operating rod 12 and a limiting block 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a flame retardant PVC power pipe with good insulation property comprises a power pipe main body 1, wherein the side wall of the power pipe main body 1 is provided with an annular rotary groove, the section of the rotary groove is T-shaped, the inside of the rotary groove is rotatably connected with a rotary block 2 matched with the rotary groove, the side wall of the rotary block 2 is fixedly connected with a threaded sleeve 3, one end of the inner side wall of the power pipe main body 1 is provided with an annular first connecting groove 4, the first connecting groove 4 and the threaded sleeve 3 are positioned at the same side of the power pipe main body 1, the inner side wall of the first connecting groove 4 far away from the threaded sleeve 3 is provided with an annular first mounting groove, a first sealing ring 5 is embedded inside the first mounting groove, the side wall of the power pipe main body 1 far away from the threaded sleeve 3 is provided with a sealing groove matched with the first sealing ring 5, the outer side wall of the power pipe main body 1 far away from the threaded sleeve, annular second mounting groove has been seted up to the inside wall that the second spread groove is close to 1 axial lead of electric power tube main part, the inside of second mounting groove is inlayed and is equipped with second sealing washer 6, the lateral wall that 3 one ends of threaded sleeve were kept away from to electric power tube main part 1 has seted up annular fixed slot, the inside wall that the fixed slot is close to 1 axial lead of electric power tube main part is provided with the external screw thread with threaded sleeve 3 assorted, annular third mounting groove has been seted up to the inside wall that the fixed slot is close to threaded sleeve 3, the inside of third mounting groove is inlayed and is equipped with third sealing washer 7, the lateral wall that second sealing washer 6 was kept away from to electric power tube main part 1 sets up the spacing groove that two symmetries set up, the inside wall fixedly connected.
Inner wall fixedly connected with support ring 8 of power tube main part 1, the cross support frame 9 of inner wall fixedly connected with of support ring 8, the curved heat conduction strip 10 of the equal fixedly connected with in four corners of support frame 9, support ring 8 and support frame 9 play the supporting role to power tube main part 1, and support frame 9 and support ring 8 separate into four independent regions with the inside of power tube main part 1, so as to separate the cable, through setting up heat conduction strip 10, can derive the produced heat of the cable of power tube main part 1 inside to the outside of power tube main part 1 effectively, strengthen the inside radiating effect of power tube main part 1.
The one end that first sealing washer 5 is close to threaded sleeve 3 is established to the first inclined plane 11 that two symmetries set up, first inclined plane 11 plays the guide effect, be convenient for insert the inside of the seal groove on another electric power pipe main part 1 with first sealing washer 5 on one of them electric power pipe main part 1, the one end that threaded sleeve 3 was kept away from to second sealing washer 6 is established to the second inclined plane, the second inclined plane plays the guide effect, be convenient for insert the inside of first connecting groove 4 on another electric power pipe main part 1 with second sealing washer 6 on one of them electric power pipe main part 1.
A plurality of evenly distributed's holding tank is seted up to threaded sleeve 3's lateral wall, and the holding tank is close to threaded sleeve 3 axial lead's inside wall fixedly connected with action bars 12, and action bars 12 are convenient for people and rotate threaded sleeve 3, and first sealing washer 5, second sealing washer 6 and third sealing washer 7 are the rubber material.
In the utility model, by arranging the threaded sleeve 3, when a plurality of power tube main bodies 1 are required to be connected together, two limit blocks 13 on a first power tube main body 1 are respectively connected with two limit grooves on a second power tube main body 1 in a sliding way, a second connecting groove on the first power tube main body 1 is sleeved with a first connecting groove 4 on the second power tube main body 1, the threaded sleeve 3 on the second power tube main body 1 is connected with a fixed groove on the first power tube main body 1 in a threaded way, the two power tube main bodies 1 are fixedly connected together through the threaded sleeve 3, a first sealing ring 5 on the second power tube main body 1 is inserted into a sealing groove on the first power tube main body 1, the outer side wall of a second sealing ring 6 on the first power tube main body 1 is abutted against the inner wall of the first connecting groove 4 on the second power tube main body 1, and the side wall of the third sealing ring 7 on the first electric power tube main body 1 is abutted against the side wall of the threaded sleeve 3 on the second electric power tube main body 1, the first sealing ring 5, the second sealing ring 6 and the third sealing ring 7 are arranged, so that the sealing performance of the joint of the two power tube main bodies 1 is effectively ensured, the stability of the joint of the two power tube main bodies 1 is effectively ensured by the threaded sleeve 3, by arranging the support ring 8 and the support frame 9, the support ring 8 and the support frame 9 support the power tube main body 1, and the support frame 9 and the support ring 8 divide the interior of the power tube body 1 into four separate regions, so as to divide the cables, by providing the heat conduction strip 10, the heat generated by the cable inside the power tube main body 1 can be effectively conducted out of the power tube main body 1, and the heat dissipation effect inside the power tube main body 1 is enhanced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The flame-retardant PVC electric power pipe with good insulation property comprises an electric power pipe main body (1) and is characterized in that an annular rotary groove is formed in the side wall of the electric power pipe main body (1), the cross section of the rotary groove is T-shaped, a rotary block (2) matched with the rotary groove is rotatably connected to the inside of the rotary groove, a threaded sleeve (3) is fixedly connected to the side wall of the rotary block (2), an annular first connecting groove (4) is formed in one end of the inner side wall of the electric power pipe main body (1), the first connecting groove (4) and the threaded sleeve (3) are located on the same side of the electric power pipe main body (1), an annular first mounting groove is formed in the inner side wall, away from the threaded sleeve (3), of the first connecting groove (4), a first sealing ring (5) is embedded into the inside of the first mounting groove, and a sealing groove matched with the first sealing ring (5) is formed in the side wall, away from the threaded sleeve (3), of the electric power pipe, the outer side wall of one end, far away from the threaded sleeve (3), of the power pipe main body (1) is provided with a second connecting groove matched with the first connecting groove (4), the inner side wall, close to the axial lead of the power pipe main body (1), of the second connecting groove is provided with an annular second mounting groove, a second sealing ring (6) is embedded inside the second mounting groove, the outer side wall, far away from one end of the threaded sleeve (3), of the power pipe main body (1) is provided with an annular fixing groove, the inner side wall, close to the axial lead of the power pipe main body (1), of the fixing groove is provided with an external thread matched with the threaded sleeve (3), the inner side wall, close to the threaded sleeve (3), of the fixing groove is provided with an annular third mounting groove, a third sealing ring (7) is embedded inside the third mounting groove, the side wall, far away from the second sealing ring (6), of the power pipe main body, the second connecting groove is close to the inner side wall fixedly connected with of the threaded sleeve (3) and is provided with two limiting groove matched limiting blocks (13).
2. The PVC power pipe with good insulation property and flame retardance as recited in claim 1, wherein a support ring (8) is fixedly connected to the inner wall of the power pipe body (1), and a cross-shaped support frame (9) is fixedly connected to the inner wall of the support ring (8).
3. The flame-retardant PVC electric power pipe with good insulation property as claimed in claim 2, wherein the four corners of the support frame (9) are fixedly connected with arc-shaped heat conducting strips (10).
4. The flame-retardant PVC electric power pipe with good insulation property according to claim 1, wherein one end of the first sealing ring (5) close to the threaded sleeve (3) is provided with two first inclined planes (11) which are symmetrically arranged, and one end of the second sealing ring (6) far away from the threaded sleeve (3) is provided with a second inclined plane.
5. The flame-retardant PVC electric power pipe with good insulation property according to claim 1, wherein a plurality of uniformly distributed accommodating grooves are formed in the outer side wall of the threaded sleeve (3), and an operating rod (12) is fixedly connected to the inner side wall, close to the axial lead of the threaded sleeve (3), of the accommodating grooves.
6. The flame-retardant PVC power pipe with good insulation property according to claim 1, wherein the first sealing ring (5), the second sealing ring (6) and the third sealing ring (7) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920276280.7U CN209881360U (en) | 2019-03-05 | 2019-03-05 | Flame-retardant PVC (polyvinyl chloride) power pipe with good insulativity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920276280.7U CN209881360U (en) | 2019-03-05 | 2019-03-05 | Flame-retardant PVC (polyvinyl chloride) power pipe with good insulativity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881360U true CN209881360U (en) | 2019-12-31 |
Family
ID=68954398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920276280.7U Expired - Fee Related CN209881360U (en) | 2019-03-05 | 2019-03-05 | Flame-retardant PVC (polyvinyl chloride) power pipe with good insulativity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881360U (en) |
-
2019
- 2019-03-05 CN CN201920276280.7U patent/CN209881360U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |