CN117704180A - Adjustable steel skeleton polyethylene composite pipe protective sleeve - Google Patents
Adjustable steel skeleton polyethylene composite pipe protective sleeve Download PDFInfo
- Publication number
- CN117704180A CN117704180A CN202410169207.5A CN202410169207A CN117704180A CN 117704180 A CN117704180 A CN 117704180A CN 202410169207 A CN202410169207 A CN 202410169207A CN 117704180 A CN117704180 A CN 117704180A
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- Prior art keywords
- clamping ring
- protective sleeve
- pipeline
- composite pipe
- steel skeleton
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- 230000001681 protective effect Effects 0.000 title claims abstract description 82
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- -1 polyethylene Polymers 0.000 title claims abstract description 29
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000003723 Smelting Methods 0.000 claims abstract description 25
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 230000001070 adhesive effect Effects 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims description 45
- 230000008018 melting Effects 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 230000004927 fusion Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses an adjustable steel skeleton polyethylene composite pipe protective sleeve, which relates to the technical field of polyethylene composite pipe protective sleeves, and comprises the following components: the outer diameter of the end head is larger than that of the pipeline, and a meshing groove is formed in the circumference of the outer wall of the end head; according to the invention, the first clamping ring and the second clamping ring are used for connecting two pipelines, so that the two pipelines to be connected can be quickly and oppositely connected, the first clamping ring and the second clamping ring are clamped and locked through the connecting disc, the steel wire mesh framework on the end face of the pipeline can be protected through the electric smelting protective sleeve, rust is prevented, the quality of conveying media in the pipeline is influenced, and meanwhile, when the pipelines are connected, the adhesive in the cavity bin is released, the connection between the two pipelines is further sealed, and the firmness, the stability and the reliability of the installed pipeline are improved.
Description
Technical Field
The invention belongs to the technical field of polyethylene composite pipe protective jackets, and particularly relates to an adjustable steel skeleton polyethylene composite pipe protective jacket.
Background
The polyethylene pipe is widely applied, such as various water pipes, air pipes, cable pipes and the like in municipal engineering, the length of the pipes is generally between a few meters and a few tens of meters when the pipe is manufactured, the pipes are connected and used according to the needs when the pipe is applied, namely the polyethylene pipe or the polyethylene steel wire mesh skeleton pipe which is mainly made of polyethylene materials and contains a steel wire mesh skeleton has enough strength and toughness;
the existing steel wire mesh skeleton plastic composite pipe is connected in a manner of electric melting sleeve connection, hot melting butt welding and electric melting sleeve connection, electric melting flange connection, hot melting socket flange connection, buckling flange connection and buckling clamp connection;
at present, the connection mode of the main stream steel skeleton polyethylene composite pipe adopts electric melting sleeve connection, the electric melting sleeve is connected with connectors on the electric melting sleeve by inserting a pipeline into two ends of the electric melting sleeve and using an electric fusion welding machine, the heating wire in the electric melting sleeve is utilized to generate heat, so that the inner wall of the electric melting sleeve is melted and stuck with the pipeline, but when the electric melting sleeve is adopted for connection, the pipeline surfaces on two sides of the electric melting sleeve are required to be polished, an oxide layer on the pipeline surfaces is required to be polished so as to achieve the optimal connection effect with the electric melting sleeve, and the inner wall of the electric melting sleeve is also required to be polished, so that the whole connection efficiency is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an adjustable steel skeleton polyethylene composite pipe protective sleeve which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: an adjustable steel skeleton polyethylene composite pipe protective sleeve, comprising: the outer diameter of the end head is larger than that of the pipeline, and a meshing groove is formed in the circumference of the outer wall of the end head; the first clamping ring and the second clamping ring are respectively provided with meshing teeth, and are respectively clamped in the meshing grooves of the end heads through the meshing teeth; the straight plates are symmetrically arranged on the first clamping ring and the second clamping ring respectively; the connecting disc is arranged on the pipeline in a sliding mode, a slot is formed in the connecting disc, the slot corresponds to the straight plate, and the connecting disc on the pipeline is mutually locked and closed through a locking mechanism.
Further, the method further comprises the following steps: the electric smelting protective sleeve is located between two pipelines, the end cover of pipeline is established on the grafting ring of electric smelting protective sleeve, be provided with the heater strip that is used for the heating in the electric smelting protective sleeve.
Furthermore, the end of the pipeline is provided with an end straight surface, an outer inclined surface and a vertical surface, the electric melting protective sleeve is provided with a straight wall surface, an inclined wall and a vertical wall corresponding to the end straight surface, the outer inclined surface and the vertical surface, and when the electric melting protective sleeve is extruded by the pipelines on two sides of the electric melting protective sleeve, the electric melting protective sleeve is extruded to be expanded outwards through the outer inclined surface and the inclined wall, so that the plug ring is clung to the inner wall of the pipeline.
Further, the engaging teeth on the first clamping ring and the second clamping ring are staggered with the engaging grooves on the end, so that the pipelines are mutually close when the first clamping ring and the second clamping ring are clamped on the end of the pipeline.
Preferably, the locking mechanism comprises a bolt arranged on the connecting disc, and the connecting disc is locked close by the bolt through a nut.
Further, cavity bins are formed in the first clamping ring and the second clamping ring, a first expansion sheet is fixedly connected in the cavity bins, a first cavity is formed between the first expansion sheet and the cavity bins, adhesive is filled in the first cavity, first liquid outlet holes are formed in the first clamping ring and the second clamping ring, one end of each first liquid outlet hole is communicated with the first cavity, and the adhesive in the first cavity is extruded from the first liquid outlet holes to between the two pipelines when the first expansion sheet is heated and expanded.
Further, the connecting disc is fixedly connected with a push rod, jacks are formed in two sides of the first clamping ring and the second clamping ring, the push rod corresponds to the jacks, and the push rod is pushed to enter the jacks to extrude the cavity bin when the connecting discs on two sides of the first clamping ring and the second clamping ring are mutually locked and closed.
Further, fixedly connected with second expansion piece in the cavity storehouse, be formed with the second cavity between second expansion piece and the cavity storehouse, it has the adhesive to fill in the second cavity, first joint ring, second joint are all offered the second and are gone out the liquid hole on the ring, the second goes out the liquid hole and is linked together with the second cavity, is used for when the expansion of second expansion piece is heated, with the adhesive in the second cavity from the second go out the liquid hole crowded to in the jack.
Further, connecting ropes are symmetrically and fixedly connected to the outer wall of the electric melting protective sleeve, penetrating holes are formed in the first clamping ring and the second clamping ring, and the connecting ropes penetrate out of the penetrating holes.
Preferably, a connecting ring is arranged on the bolt, and one end of the connecting rope is connected with the connecting ring.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
1. this compound pipe protective sheath of steel skeleton polyethylene with adjustable links to each other two pipelines through using first joint ring, second joint ring, can be quick with two pipelines of waiting to be connected dock fast to press from both sides tight and locking first joint ring, second joint ring through the connection pad, and mesh with the meshing groove through the meshing tooth, improve the contact quantity of joint face, further effectively improve leak protection effect.
2. This compound pipe protective sheath of steel skeleton polyethylene with adjustable can protect through the wire net skeleton on the pipeline terminal surface through the electrofusion protective sheath, prevents that the corrosion from influencing the quality of carrying the medium in the pipeline, still simultaneously through when connecting the pipeline, through releasing the viscose agent in the cavity storehouse, further seal the connection between two pipelines, improve fastness, stability, the reliability after the pipeline installation.
3. This compound pipe protection cover of steel skeleton polyethylene with adjustable, after two pipe connection grafting rings on the electric smelting protective sheath, with first joint ring again, second joint ring joint is on the end of pipeline, when locking first joint ring, second joint ring through the connection pad, the connection pad is when being close to each other, form extrusion force to first joint ring, second joint ring, and then drive the pipeline of electric smelting protective sheath both sides and be close to each other, produce the extrusion to the electric smelting protective sheath, when making external slope and inclined wall paste mutually, be close to first joint ring, second joint ring with the electric smelting protective sheath, and then reach electric smelting protective sheath outside extension, make the joint ring hug closely with the pipeline inner wall, and then when heating the electric smelting protective sheath through the heater strip, the joint ring can be more inseparable with pipeline inner wall laminating, and then further prevent the condition that two pipelines link to each other back leakage.
4. This compound pipe protection sleeve of steel skeleton polyethylene with adjustable through set up connecting rope on the electric smelting protective sheath, further makes electric smelting protective sheath to first joint ring, second joint ring department extension through pulling connecting rope, further makes the grafting ring on the electric smelting protective sheath hug closely with the pipeline inner wall, further improves electric smelting protective sheath when heating through the heater strip, hugs closely with pipeline inner wall nature, and then improves the leak protection effect.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of a plug ring according to the present invention;
FIG. 5 is a schematic view of the structure of the straight plate and the ejector rod of the present invention;
FIG. 6 is a schematic diagram of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic structural view of a first clamping ring and a second clamping ring according to the present invention;
FIG. 8 is a schematic view of the structure of the engagement slot and the engagement tooth of the present invention;
FIG. 9 is a schematic view of the structure of the electrofusion protective sheath of the present invention;
FIG. 10 is a schematic view of the positioning slot and the positioning block according to the present invention;
fig. 11 is a schematic structural view of the connecting rope of the present invention.
In the figure: 1. a pipe; 11. a connecting disc; 111. a slot; 112. a push rod; 113. a bolt; 1131. a connecting ring; 114. a screw cap; 12. an end head; 121. a meshing groove; 122. end straight surfaces; 123. an outer inclined surface; 124. a vertical plane; 13. an electrofusion protective sleeve; 131. a plug ring; 132. a heating wire; 1321. a connection end; 133. a straight wall surface; 134. an inclined wall; 135. a vertical wall; 136. a connecting rope; 14. a first clamping ring; 141. a straight plate; 142. a jack; 143. a positioning groove; 144. penetrating out the hole; 145. meshing teeth; 15. a second clamping ring; 151. a positioning block; 16. a cavity bin; 161. a first chamber; 162. a second chamber; 163. a first liquid outlet hole; 164. a second liquid outlet hole; 165. a first expansion sheet; 166. and a second expansion sheet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
Examples: referring to fig. 1-11, an adjustable steel skeleton polyethylene composite pipe protective sleeve, comprising: the end head 12 is positioned at one end of the pipeline 1, the outer diameter of the end head 12 is larger than that of the pipeline 1, and the circumference of the outer wall of the end head 12 is provided with a meshing groove 121; the first clamping ring 14 and the second clamping ring 15 are respectively provided with a meshing tooth 145, and the first clamping ring 14 and the second clamping ring 15 are respectively clamped in the meshing groove 121 of the end head 12 through the meshing teeth 145; the straight plates 141 are symmetrically arranged on the first clamping ring 14 and the second clamping ring 15 respectively; the connecting disc 11 is arranged on the pipeline 1 in a sliding manner, the connecting disc 11 is provided with a slot 111, the slot 111 corresponds to the straight plate 141, and the connecting discs 11 on the pipeline 1 are mutually locked and closed through a locking mechanism;
when the device is used, the ends 12 of the two pipelines 1 are aligned with each other, then the first clamping ring 14 and the second clamping ring 15 are respectively clamped on the ends 12 of the two pipelines 1 from one side of the pipelines 1, and in the clamping process, the meshing teeth 145 on the first clamping ring 14 and the second clamping ring 15 enter the meshing grooves 121 on the ends 12, so that the first clamping ring 14 and the second clamping ring 15 connect the two pipelines 1 together;
the number of the meshing grooves 121 on the end head 12 is at least 3, the number of the meshing grooves 121 is preferably 3 according to the diameter of the pipeline 1 and the width of the end head 12, the cross section of the meshing grooves 121 is preferably rectangular, the number and the shape of the meshing teeth 145 on the first clamping ring 14 and the second clamping ring 15 are the same as those of the meshing grooves 121, and the pipeline 1 is well and quickly connected by the first clamping ring 14 and the second clamping ring 15 through the 3 arranged meshing grooves 121;
then, the connecting disc 11 on the pipeline 1 is pushed to be close to the first clamping ring 14 and the second clamping ring 15, the slot 111 on the connecting disc 11 corresponds to the straight plates 141 on the first clamping ring 14 and the second clamping ring 15, the straight plates 141 enter the slot 111, the connecting discs 11 on the two pipelines 1 are mutually locked through the locking mechanism and are mutually closed in the locking process, the first clamping ring 14 and the second clamping ring 15 are clamped, and the first clamping ring 14 and the second clamping ring 15 can be prevented from being separated from the pipeline 1 through the arrangement of the straight plates 141;
furthermore, by using the first clamping ring 14 and the second clamping ring 15 to connect the pipelines 1, the two pipelines 1 can be connected more quickly, and the efficiency of connecting the pipelines 1 is improved;
meanwhile, the first clamping ring 14 and the second clamping ring 15 are both semicircular, so that the levelness between the two pipelines 1 can be conveniently adjusted when the two pipelines 1 are clamped on the end head 12, the two pipelines 1 are kept horizontal, the skew is avoided, and the levelness of the pipelines 1 during connection is conveniently adjusted;
further, the positioning block 151 is fixedly connected to the second clamping ring 15, and the positioning groove 143 is formed in the first clamping ring 14, so that the first clamping ring 14 and the second clamping ring 15 are conveniently abutted.
Further comprises: the electric smelting protective sleeve 13, the electric smelting protective sleeve 13 is located between two pipelines 1, the end 12 of the pipeline 1 is sleeved on the inserting ring 131 of the electric smelting protective sleeve 13, and a heating wire 132 for heating is arranged in the electric smelting protective sleeve 13;
by inserting the ends 12 of the two pipelines 1 onto the inserting rings 131 of the electric melting protective sleeve 13, the inserting rings 131 extend towards two sides of the electric melting protective sleeve 13 in a tubular shape, so that the two pipelines 1 to be connected are connected with the electric melting protective sleeve 13 in advance, and then the first clamping ring 14 and the second clamping ring 15 are connected with the pipelines 1;
after connection, the electric fusion welding machine is connected with a connecting end 1321 on a heating wire 132 in the electric fusion protective sleeve 13, and the heating wire 132 heats by setting voltage and heating time, so that the electric fusion protective sleeve 13 is adhered to the pipeline 1, and the tightness of the two connected pipelines 1 can be further improved by setting the electric fusion protective sleeve 13;
meanwhile, through the arrangement of the electric melting protective sleeve 13, when the heating wire 132 is heated to melt, the steel wire gauze frameworks leaked outwards from the two ends of the pipeline 1 are sealed, corrosion and rust caused by the leakage of the steel wire gauze frameworks are avoided, and the protection of the pipeline 1 is improved.
The end head 12 of the pipeline 1 is provided with an end straight surface 122, an outer inclined surface 123 and a vertical surface 124, the electric melting protective sleeve 13 is provided with a straight wall surface 133, an inclined wall 134 and a vertical wall 135 which correspond to the end straight surface 122, the outer inclined surface 123 and the vertical surface 124, and when the pipeline 1 on two sides of the electric melting protective sleeve 13 mutually presses the electric melting protective sleeve 13, the electric melting protective sleeve 13 is pressed by the outer inclined surface 123 and the inclined wall 134 to expand outwards, so that the inserting ring 131 is tightly attached to the inner wall of the pipeline 1;
when two pipelines 1 are connected with the plug ring 131 on the electric melting protective sleeve 13, the first clamping ring 14 and the second clamping ring 15 are clamped on the end 12 of the pipeline 1, when the first clamping ring 14 and the second clamping ring 15 are locked through the connecting disc 11, when the connecting disc 11 is close to each other, extrusion force is formed on the first clamping ring 14 and the second clamping ring 15, and then the pipelines 1 on two sides of the electric melting protective sleeve 13 are driven to be close to each other, the electric melting protective sleeve 13 is extruded, when the outer inclined surface 123 is attached to the inclined wall 134, the electric melting protective sleeve 13 is close to the first clamping ring 14 and the second clamping ring 15, and then the electric melting protective sleeve 13 is expanded outwards, so that the plug ring 131 is tightly attached to the inner wall of the pipeline 1, and when the electric melting protective sleeve 13 is heated through the heating wire 132, the plug ring 131 can be tightly attached to the inner wall of the pipeline 1, and leakage after the two pipelines 1 are connected is further prevented.
The engagement teeth 145 on the first clamping ring 14 and the second clamping ring 15 are staggered with the engagement grooves 121 on the end head 12, so that the pipelines 1 are mutually closed when the first clamping ring 14 and the second clamping ring 15 are clamped on the end head 12 of the pipeline 1;
by arranging the engagement teeth 145 to be staggered with the engagement grooves 121, the staggered distance is within 3-6mm, so that after the first clamping ring 14 and the second clamping ring 15 are clamped on the pipeline 1, one ends of the pipelines 1 at two sides can be pulled to be close to each other, and the sealing effect after the two pipelines 1 are connected can be improved;
it should be understood that the first clamping ring 14 and the second clamping ring 15 have flexibility, and may be made of polyethylene.
The locking mechanism comprises a bolt 113 arranged on the connecting disc 11, and the connecting disc 11 is locked close by the bolt 113 through a nut 114;
by connecting the nut 114 to the bolt 113, the effect of locking the two connection plates 11 is achieved, and the effect of bringing the two connection plates 11 together can be achieved when the nut 114 is screwed.
The first clamping ring 14 and the second clamping ring 15 are respectively provided with a cavity chamber 16, the cavity chambers 16 are fixedly connected with first expansion sheets 165, a first chamber 161 is formed between each first expansion sheet 165 and each cavity chamber 16, the first chamber 161 is filled with adhesive, the first clamping ring 14 and the second clamping ring 15 are respectively provided with a first liquid outlet 163, one end of each first liquid outlet 163 is communicated with the first chamber 161, and the adhesive in the first chamber 161 is extruded from the first liquid outlet 163 to between the two pipelines 1 when the first expansion sheets 165 are expanded by heating;
when the electric melting protective sleeve 13 is heated by the heating wire 132, heat is conducted to the first expansion piece 165 in the cavity bin 16, so that the first expansion piece 165 with the arc-shaped section expands, the adhesive in the first chamber 161 is extruded, the adhesive is discharged onto the electric melting protective sleeve 13 through the first liquid outlet 163, and the joint of the electric melting protective sleeve 13 and the pipeline 1, so that the tightness between the two pipelines 1 and the electric melting protective sleeve 13 is improved again, and the sealing effect is improved;
it should be appreciated that the first liquid outlet 163 may be plugged with wax, which melts when heated by the heating wire 132.
The connecting disc 11 is fixedly connected with a push rod 112, two sides of the first clamping ring 14 and the second clamping ring 15 are respectively provided with an inserting hole 142, the push rod 112 corresponds to the inserting holes 142, and the push rod 112 is pushed into the inserting holes 142 to squeeze the cavity bin 16 when the connecting discs 11 at two sides of the first clamping ring 14 and the second clamping ring 15 are mutually locked and closed;
when the connection disc 11 is locked through the locking mechanism, the ejector rod 112 on the connection disc 11 is inserted into the insertion hole 142, and when the connection disc 11 is mutually locked and closed, the ejector rod 112 is pushed to extrude two sides of the cavity bin 16, and then the first expansion piece 165 is pushed to be bent and expanded, the adhesive in the first cavity 161 is further extruded, more adhesive enters between the two pipelines 1, the tightness of the connected pipelines 1 is further improved, and the leakage prevention effect is improved.
The cavity bin 16 is fixedly connected with a second expansion sheet 166, a second chamber 162 is formed between the second expansion sheet 166 and the cavity bin 16, an adhesive is filled in the second chamber 162, a second liquid outlet hole 164 is formed in each of the first clamping ring 14 and the second clamping ring 15, the second liquid outlet hole 164 is communicated with the second chamber 162, and the adhesive in the second chamber 162 is extruded from the second liquid outlet hole 164 to the jack 142 when the second expansion sheet 166 is heated and expanded;
the second expansion sheet 166 expands and bends under the heating action of the heating wire 132, and extrudes the adhesive in the second chamber 162, so that the adhesive is discharged from the second liquid outlet hole 164 into the jack 142, and the ejector rod 112 is connected with the first clamping ring 14 and the second clamping ring 15, thereby further improving the stability of the connected pipeline 1 and avoiding loosening;
the adhesive in the first chamber 161 can be filled inwards through the first liquid outlet 163, and the second chamber 162 can be filled inwards by forming filling holes in the first clamping ring 14 and the second clamping ring 15.
Connecting ropes 136 are symmetrically and fixedly connected to the outer wall of the electric melting protective sleeve 13, penetrating holes 144 are formed in the first clamping ring 14 and the second clamping ring 15, and the connecting ropes 136 penetrate out of the penetrating holes 144; the bolt 113 is provided with a connecting ring 1131, and one end of the connecting rope 136 is connected with the connecting ring 1131;
the connecting rope 136 is arranged on the electric melting protective sleeve 13, the electric melting protective sleeve 13 is further expanded to the first clamping ring 14 and the second clamping ring 15 by pulling the connecting rope 136, and the inserting ring 131 on the electric melting protective sleeve 13 is further clung to the inner wall of the pipeline 1;
and through connecting rope 136 one end on the go-between 1131 on bolt 113, can be when rotatory bolt 113 locks connection pad 11, drive connecting rope 136 and make electric smelting protective sheath 13 expand to the outside, improved the convenience of pulling connecting rope 136, improved the wholeness and the linkage nature of device simultaneously.
According to the invention, the two pipelines 1 are connected by using the first clamping ring 14 and the second clamping ring 15, so that the two pipelines 1 to be connected can be quickly butted, the first clamping ring 14 and the second clamping ring 15 are clamped and locked by the connecting disc 11, the steel wire mesh skeleton on the end face of the pipeline 1 can be protected by the electric smelting protective sleeve 13, the quality of conveying media in the pipeline 1 is prevented from being influenced by rust, and meanwhile, when the pipelines 1 are connected, the connection between the two pipelines 1 is further sealed by releasing the adhesive in the cavity bin 16, so that the firmness, stability and reliability of the installed pipeline 1 are improved.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. An adjustable steel skeleton polyethylene composite pipe protective sleeve, comprising:
the end socket (12) is positioned at one end of the pipeline (1), the outer diameter of the end socket (12) is larger than that of the pipeline (1), and an engagement groove (121) is formed in the circumference of the outer wall of the end socket (12);
the first clamping ring (14) and the second clamping ring (15), wherein the first clamping ring (14) and the second clamping ring (15) are respectively provided with meshing teeth (145), and the first clamping ring (14) and the second clamping ring (15) are respectively clamped in the meshing grooves (121) of the end head (12) through the meshing teeth (145);
the straight plates (141) are symmetrically arranged on the first clamping ring (14) and the second clamping ring (15) respectively;
the connecting disc (11) is arranged on the pipeline (1) in a sliding mode, the connecting disc (11) is provided with a slot (111), the slot (111) corresponds to the straight plate (141), and the connecting discs (11) on the pipeline (1) are mutually locked and closed through a locking mechanism.
2. An adjustable steel skeleton polyethylene composite pipe protective cover according to claim 1, further comprising:
the electric smelting protective sleeve (13), electric smelting protective sleeve (13) are located two between pipeline (1), end (12) cover of pipeline (1) is established on grafting ring (131) of electric smelting protective sleeve (13), be provided with in electric smelting protective sleeve (13) and be used for heating heater strip (132).
3. An adjustable steel skeleton polyethylene composite pipe protective sleeve according to claim 2, wherein the end (12) of the pipe (1) is provided with an end straight surface (122), an outer inclined surface (123) and a vertical surface (124), the electric melting protective sleeve (13) is provided with a straight wall surface (133), an inclined wall (134) and a vertical wall (135) corresponding to the end straight surface (122), the outer inclined surface (123) and the vertical surface (124), and the electric melting protective sleeve (13) is extruded outwards through the outer inclined surface (123) and the inclined wall (134) when the pipe (1) at two sides of the electric melting protective sleeve (13) are mutually extruded, so that the inserting ring (131) is clung to the inner wall of the pipe (1).
4. An adjustable steel skeleton polyethylene composite pipe protective sleeve according to claim 2, characterized in that the engagement teeth (145) on the first clamping ring (14) and the second clamping ring (15) are dislocated with the engagement grooves (121) on the end head (12), so that the pipes (1) are mutually close when the first clamping ring (14) and the second clamping ring (15) are clamped on the end head (12) of the pipe (1).
5. An adjustable steel skeleton polyethylene composite pipe protective cover according to claim 3, characterized in that the locking mechanism comprises a bolt (113) arranged on the connecting disc (11), and the bolt (113) locks the connecting disc (11) together by a nut (114).
6. The steel skeleton polyethylene composite pipe protective sleeve according to claim 2, wherein the first clamping ring (14) and the second clamping ring (15) are provided with cavity chambers (16), the cavity chambers (16) are fixedly connected with first expansion sheets (165), first chambers (161) are formed between the first expansion sheets (165) and the cavity chambers (16), the first chambers (161) are filled with adhesive, the first clamping ring (14) and the second clamping ring (15) are provided with first liquid outlet holes (163), one ends of the first liquid outlet holes (163) are communicated with the first chambers (161), and the adhesive in the first chambers (161) is extruded from the first liquid outlet holes (163) to between the two pipelines (1) when the first expansion sheets (165) are heated and expanded.
7. The adjustable steel skeleton polyethylene composite pipe protective sleeve according to claim 6, wherein a push rod (112) is fixedly connected to the connecting disc (11), two sides of the first clamping ring (14) and the second clamping ring (15) are provided with insertion holes (142), the push rod (112) corresponds to the insertion holes (142) and is used for pushing the push rod (112) to enter the insertion holes (142) to squeeze the cavity bin (16) when the connecting discs (11) at two sides of the first clamping ring (14) and the second clamping ring (15) are mutually locked and closed.
8. The adjustable steel skeleton polyethylene composite pipe protective sleeve of claim 7, wherein a second expansion sheet (166) is fixedly connected in the cavity bin (16), a second chamber (162) is formed between the second expansion sheet (166) and the cavity bin (16), an adhesive is filled in the second chamber (162), second liquid outlet holes (164) are formed in the first clamping ring (14) and the second clamping ring (15), the second liquid outlet holes (164) are communicated with the second chamber (162), and the adhesive in the second chamber (162) is extruded from the second liquid outlet holes (164) to the jack (142) when the second expansion sheet (166) is heated and expanded.
9. The adjustable steel skeleton polyethylene composite pipe protective sleeve according to claim 5, wherein connecting ropes (136) are symmetrically and fixedly connected to the outer wall of the electric smelting protective sleeve (13), penetrating holes (144) are formed in the first clamping ring (14) and the second clamping ring (15), and the connecting ropes (136) penetrate out of the penetrating holes (144).
10. An adjustable steel skeleton polyethylene composite pipe protective sleeve according to claim 9, wherein a connecting ring (1131) is arranged on the bolt (113), and one end of the connecting rope (136) is connected with the connecting ring (1131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410169207.5A CN117704180B (en) | 2024-02-06 | 2024-02-06 | Adjustable steel skeleton polyethylene composite pipe protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410169207.5A CN117704180B (en) | 2024-02-06 | 2024-02-06 | Adjustable steel skeleton polyethylene composite pipe protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117704180A true CN117704180A (en) | 2024-03-15 |
| CN117704180B CN117704180B (en) | 2024-04-30 |
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| CN202410169207.5A Active CN117704180B (en) | 2024-02-06 | 2024-02-06 | Adjustable steel skeleton polyethylene composite pipe protective sleeve |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN117704180B (en) | 2024-04-30 |
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