CN211040079U - Steel-plastic composite pipe joint - Google Patents
Steel-plastic composite pipe joint Download PDFInfo
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- CN211040079U CN211040079U CN201922294769.XU CN201922294769U CN211040079U CN 211040079 U CN211040079 U CN 211040079U CN 201922294769 U CN201922294769 U CN 201922294769U CN 211040079 U CN211040079 U CN 211040079U
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- tubular
- steel
- tubular connecting
- plastic composite
- connecting portion
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Abstract
The utility model discloses a steel-plastic composite pipe joint belongs to the coupling field, including the tubulose connecting portion that two symmetries set up and connect the handheld portion of tubulose between two tubulose connecting portions, the inserting groove has been seted up to tubulose connecting portion inside, and the through-hole has evenly been seted up on the first half that the tubulose connecting portion correspond the inserting groove outside part, the outside cover of tubulose connecting portion is equipped with the insulation support pipe, just the medial surface of insulation support pipe is laminated mutually with the lateral surface of tubulose connecting portion is complete, the insulation support pipe includes the cotton layer of heat preservation and bears the hard tube body on the cotton layer of heat preservation, the external diameter of the handheld portion of tubulose is not more than the external diameter of tubulose connecting portion. The utility model discloses can shorten the time that the plastic layer becomes molten state and the time that the plastic layer of molten state solidifies again during the application, work efficiency when being applied to the connection of steel-plastic composite pipe is higher, and can ensure the coupling and steel-plastic composite pipe between the stability of being connected.
Description
Technical Field
The utility model relates to a coupling field, specificly relate to a compound coupling is moulded to steel.
Background
The PSP steel-plastic composite pressure pipe is installed through electromagnetic induction heating and welding, the process includes inserting the steel-plastic composite pipe into the pipe joint, heating the superposed part of the steel-plastic composite pipe and the pipe joint with electromagnetic hot melting equipment to make the plastic layer in the contact part of the steel-plastic composite pipe and the pipe joint become molten state, and re-solidifying the plastic layer in the molten state to realize the fixed connection of the steel-plastic composite pipe and the pipe joint. In application, when the electromagnetic hot melting equipment is used for heating the superposed part of the steel-plastic composite pipe and the pipe joint, the steel-plastic composite pipe and the pipe joint generate heat under the action of electromagnetic induction, and the pipe joint is exposed in air, so that the heat can be dissipated into the air, the waste of the heat is caused, and the time for the plastic layer to be in a molten state is longer; when the plastic layer in the molten state is solidified again, the plastic layer in the molten state is clamped between the steel-plastic composite pipe and the pipe joint, so that the cooling effect is poor, the plastic layer in the molten state is solidified again for a long time, and the efficiency of the steel-plastic composite pipe joint in the connection of the steel-plastic composite pipe is low.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The to-be-solved technical problem of the utility model is to provide a steel-plastic composite pipe joint, can shorten the time that the plastic layer becomes molten state and the time that the plastic layer of molten state solidifies again when it is used, work efficiency when being applied to the connection of steel-plastic composite pipe is higher, and can ensure the coupling and steel-plastic composite pipe between the stability of being connected.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
a steel-plastic composite pipe joint comprises two tubular connecting parts which are oppositely and symmetrically arranged and a tubular handheld part connected between the two tubular connecting parts, wherein the tubular connecting parts and the tubular handheld part are integrally formed, the inner cavities of the tubular connecting parts and the tubular handheld part are flow guide cavities which are communicated with each other, an inserting groove which is communicated with one surface of the tubular connecting part, which is opposite to the tubular handheld part, is formed in the tubular connecting part, and the inserting groove is matched with a steel-plastic composite pipe; the heat insulation pipe comprises a heat insulation cotton layer and a hard pipe body bearing the heat insulation cotton layer, the outer diameter of the tubular handheld portion is not larger than that of the tubular connecting portion, the heat insulation pipe and the tubular connecting portion are fixed together through screws, and thread connection grooves which are aligned with each other and matched with the screws are formed in the outer side portions of the corresponding insertion grooves of the heat insulation pipe and the tubular connecting portion respectively.
Furthermore, the heat preservation cotton layer is located the middle part of insulation support, and the inside and outside on heat preservation cotton layer all is connected with hard body. The heat insulation cotton layer is clamped by the hard tube body, so that the heat insulation cotton layer is protected.
Further, be fixed with the draw runner that is on a parallel with its length direction along its week side equidistant on the heat preservation sheathed tube medial surface, the surface of tubulose connecting portion is seted up along its week side equidistant and is on a parallel with its length direction's spout, just spout and draw runner looks adaptation, the one end of the handheld portion of spout dorsad tubulose is located the tubulose connecting portion, and the spout extends to the terminal surface of the corresponding side of tubulose connecting portion towards the one end of the handheld portion of tubulose, the degree of depth of spout is less than the difference of the external diameter of the handheld portion of tubulose connecting portion and tubulose. The sliding of the heat-insulating sleeve can be guided through the matching action of the sliding strip and the sliding groove, and the heat-insulating sleeve can be prevented from rotating relative to the tubular connecting part.
Further, the outer diameter of the tubular handheld portion is smaller than that of the tubular connecting portion, and the peripheral side of one end, connected with the tubular handheld portion, of the tubular connecting portion is arc-shaped. Set up like this and be convenient for hold the handheld portion of tubulose, and the one end that the handheld portion of tubulose is connected to tubulose connecting portion can play limiting displacement, and establishes the week side of this tip into the arc, can avoid causing most advanced conflict to operator's hand to can ensure use comfort.
Furthermore, an anti-slip strip is fixed on the outer side surface of the tubular handheld portion. The anti-slip strip can increase the friction between the hand of the operator and the tubular hand-held part, thereby preventing the accidental slipping.
3. Advantageous effects
(1) The utility model discloses be equipped with the insulation support outside the tubulose connecting portion cover, when heating the coincidence position of compound pipe and tubulose connecting portion is moulded to the steel with the electromagnetic hot melting equipment, keep the insulation support to be located the inserting groove outside, compound pipe is moulded to the steel and tubulose connecting portion self generate heat under the electromagnetic induction effect, the insulation support can be moulded compound pipe and tubulose connecting portion to the steel and keep warm, the heat that significantly reduces scatters and disappears to can accelerate the efficiency that the plastic layer becomes the molten condition, shorten the time that the plastic layer becomes the molten condition.
(2) The utility model discloses a heat preservation sleeve pipe and coupling sliding connection, after the plastic layer of compound pipe is moulded to the steel becomes the molten state, slide the heat preservation sleeve pipe along this tubulose connecting portion to being located the handheld portion outside of tubulose, the molten state's of being convenient for plastic layer cools off and solidifies, and the through-hole on this tubulose connecting portion can expose, can accelerate the heat and loose outward for the time that the molten state's plastic layer solidifies again shortens.
(3) The utility model discloses a be in the same place through the fix with screw between insulation support and the tubulose connecting portion, the plastic layer of molten state solidifies the back on the compound pipe is moulded to the steel, the insulation support who will correspond moves to the position of encircleing in the inserting groove outside again, seal the through-hole, and screw with the screw and realize fixedly in the spiro union inslot, make connect that two sections steel are moulded the pipe joint of compound pipe can prevent that external factors such as dust from getting into the inserting groove through the through-hole in later stage is used, thereby be favorable to ensureing the stability of being connected between pipe joint and the compound pipe is moulded to the steel.
To sum up, the utility model discloses can shorten the time that the plastic layer becomes molten state and the time that the plastic layer of molten state solidifies again during the application, work efficiency when being applied to the connection of steel-plastic composite pipe is higher, and can ensure the coupling and steel-plastic composite pipe between the stability of being connected.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention taken along a vertical center plane;
FIG. 2 is a schematic structural view of the present invention corresponding to the section A-A in FIG. 1;
fig. 3 is a schematic sectional view taken along a vertical center plane when the thermal sleeve 5 is moved to the outside of the tubular hand-held portion 3.
Reference numerals: 1. a through hole; 2. a tubular connecting portion; 3. a tubular hand-held portion; 4. inserting grooves; 5. a heat-insulating sleeve; 51. a heat insulation cotton layer; 52. a rigid tube body; 6. steel-plastic composite pipes; 7. a plastic layer; 8. anti-slip strips; 9. a screw connection groove; 10. a screw; 11. a slide bar; 12. a chute.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
The steel-plastic composite pipe joint shown in fig. 1 and 2 comprises two tubular connecting parts 2 which are arranged oppositely and symmetrically and a tubular handheld part 3 connected between the two tubular connecting parts 2, wherein the tubular connecting parts 2 and the tubular handheld part 3 are integrally formed, the inner cavities of the tubular connecting parts 2 and the tubular handheld part 3 are flow guide cavities which are communicated with each other, an insertion groove 4 which is communicated with one surface of the tubular connecting part 2, which is opposite to the tubular handheld part 3, is formed in the tubular connecting part 2, and the insertion groove 4 is matched with a steel-plastic composite pipe 6; the heat insulation structure is characterized in that through holes 1 are uniformly formed in the upper half part of the outer side part, corresponding to the insertion groove 4, of the tubular connecting part 2, a heat insulation sleeve 5 is sleeved on the outer side of the tubular connecting part 2, the inner side surface of the heat insulation sleeve 5 is completely attached to the outer side surface of the tubular connecting part 2, the heat insulation sleeve 5 comprises a heat insulation cotton layer 51 and a hard pipe 52 (the hard pipe 52 facilitates sliding movement of the heat insulation sleeve 5), the outer diameter of the tubular handheld part 3 is not larger than that of the tubular connecting part 2 (the heat insulation sleeve 5 is convenient to move to the outer side of the tubular handheld part 3), the heat insulation sleeve 5 and the tubular connecting part 2 are fixed together through screws 10, and threaded connection grooves 9 which are aligned with each other and are matched with the screws 10 are formed in the outer side parts, corresponding to the insertion groove.
In this embodiment, the thermal insulation cotton layer 51 is located in the middle of the thermal insulation sleeve 5, and the inner side and the outer side of the thermal insulation cotton layer 51 are both connected with the hard pipe 52. The hard pipe body 52 clamps the heat insulation cotton layer 51, which is beneficial to protecting the heat insulation cotton layer 51.
In this embodiment, the inner side surface of the thermal insulation sleeve 5 is fixed with the sliding strips 11 parallel to the length direction along the circumferential side at equal intervals, the outer surface of the tubular connecting portion 2 is provided with the sliding grooves 12 parallel to the length direction along the circumferential side at equal intervals, the sliding grooves 12 are matched with the sliding strips 11, one end of the sliding grooves 12, which faces away from the tubular handheld portion 3, is located in the tubular connecting portion 2, one end of the sliding grooves 12, which faces the tubular handheld portion 3, extends to the end surface of the corresponding side of the tubular connecting portion 2, and the depth of the sliding grooves 12 is smaller than the difference between the outer diameters of the tubular connecting portion 2 and the tubular handheld portion 3. The sliding of the insulating sleeve 5 can be guided by the cooperation of the sliding strip 11 and the sliding groove 12, and the insulating sleeve 5 can be prevented from rotating relative to the tubular connecting part 2.
In the present embodiment, the outer diameter of the tubular hand-held portion 3 is smaller than the outer diameter of the tubular connecting portion 2, and the peripheral side of the end of the tubular connecting portion 2 connected to the tubular hand-held portion 3 is arc-shaped. Set up like this and be convenient for hold tubulose handheld portion 3, and tubulose connecting portion 2 connects the one end of tubulose handheld portion 3 and can play limiting displacement, and establishes the week side of this tip into the arc, can avoid causing most advanced conflict to operator's hand to can ensure use comfort.
In this embodiment, a cleat 8 is fixed to the outer side of the tubular hand-held portion 3. The anti-slip strips 8 increase the friction between the operator's hand and the tubular hand-held portion 3, thereby preventing accidental slipping.
The concrete application process of the steel-plastic composite pipe joint comprises the following steps:
firstly, a steel-plastic composite pipe 6 is inserted into an inserting groove 4 of a tubular connecting part 2, then a heat-insulating sleeve 5 is kept to be positioned outside the inserting groove 4, electromagnetic hot melting equipment is used for heating the steel-plastic composite pipe 6, the tubular connecting part 2 and the heat-insulating sleeve 5, the steel-plastic composite pipe 6 and the tubular connecting part 2 generate heat under the action of electromagnetic induction, the heat-insulating sleeve 5 can insulate the steel-plastic composite pipe 6 and the tubular connecting part 2, heat loss is greatly reduced, the efficiency of changing a plastic layer 7 into a molten state can be accelerated, and the time of changing the plastic layer 7 into the molten state is shortened; then, the heat-insulating sleeve 5 is slid along the tubular connecting part 2 to be positioned outside the tubular handheld part 3, as shown in fig. 3, the plastic layer 7 in a molten state is cooled and solidified conveniently, and the through hole 1 on the tubular connecting part 2 is exposed, so that heat dissipation can be accelerated, and the time for re-solidifying the plastic layer 7 in the molten state is shortened. The two effects make the working efficiency of the joint of the steel-plastic composite pipe 6 higher when the joint is applied to the connection of the steel-plastic composite pipe 6.
After a molten plastic layer 7 on one steel-plastic composite pipe 6 is solidified, the corresponding heat-insulating sleeve 5 is moved to the position surrounding the outer side of the inserting groove 4 again, the through hole 1 is sealed, and the screw 10 is screwed in the screw connecting groove 9 to realize fixation, so that the pipe joint for connecting two sections of steel-plastic composite pipes 6 can prevent external factors such as dust and the like from entering the inserting groove 4 through the through hole 1 in later application, and the connection stability between the pipe joint and the steel-plastic composite pipes 6 is favorably ensured. Namely, the connection of one steel-plastic composite pipe 6 and the pipe joint is completed, and then the other steel-plastic pipe joint is arranged in the tubular connecting part 2 at the other side of the pipe joint in the same process.
From the above, the utility model discloses can shorten the time that the plastic layer becomes the molten state and the time that the plastic layer of molten state solidifies again when using, work efficiency when being applied to the connection of steel-plastic composite pipe is higher, and can ensure the connection stability between coupling and the steel-plastic composite pipe.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. A steel-plastic composite pipe joint comprises two tubular connecting parts (2) which are arranged oppositely and symmetrically and a tubular handheld part (3) connected between the two tubular connecting parts (2), wherein the tubular connecting parts (2) and the tubular handheld part (3) are integrally formed, the inner cavities of the tubular connecting parts (2) and the tubular handheld part (3) are flow guide cavities which are communicated with each other, an insertion groove (4) which is communicated with one surface of the tubular connecting part (2) opposite to the tubular handheld part (3) is formed in the tubular connecting part, and the insertion groove (4) is matched with a steel-plastic composite pipe (6); it is characterized in that the upper half part of the tubular connecting part (2) corresponding to the outer part of the inserting groove (4) is evenly provided with through holes (1), the outer side of the tubular connecting part (2) is sleeved with a heat-insulating sleeve (5), the inner side surface of the heat-insulating sleeve (5) is completely attached to the outer side surface of the tubular connecting part (2), the heat-insulating sleeve (5) comprises a heat-insulating cotton layer (51) and a hard pipe body (52) bearing the heat-insulating cotton layer (51), the outer diameter of the tubular handheld part (3) is not more than that of the tubular connecting part (2), the heat-insulating sleeve (5) and the tubular connecting part (2) are fixed together through a screw (10), the outer side parts of the heat-insulating sleeve (5) and the tubular connecting part (2) corresponding to the inserting groove (4) are respectively provided with a screw connection groove (9) which is aligned with each other and is matched with the screw (10).
2. The steel-plastic composite pipe joint according to claim 1, wherein the insulation cotton layer (51) is located in the middle of the insulation sleeve (5), and hard pipe bodies (52) are connected to the inner side and the outer side of the insulation cotton layer (51).
3. A steel-plastic composite pipe joint according to claim 1, wherein the inner side surface of the heat-insulating sleeve (5) is fixed with sliding bars (11) parallel to the length direction along the circumferential side thereof at equal intervals, the outer surface of the tubular connecting portion (2) is provided with sliding grooves (12) parallel to the length direction along the circumferential side thereof at equal intervals, the sliding grooves (12) are adapted to the sliding bars (11), one end of the sliding groove (12) facing away from the tubular handheld portion (3) is located in the tubular connecting portion (2), one end of the sliding groove (12) facing the tubular handheld portion (3) extends to the end surface of the corresponding side of the tubular connecting portion (2), and the depth of the sliding groove (12) is smaller than the difference between the outer diameters of the tubular connecting portion (2) and the tubular handheld portion (3).
4. The steel-plastic composite pipe joint according to claim 1, wherein the outer diameter of the tubular hand-held portion (3) is smaller than the outer diameter of the tubular connecting portion (2), and the peripheral side of the end of the tubular connecting portion (2) connected to the tubular hand-held portion (3) is arc-shaped.
5. The steel-plastic composite pipe joint according to claim 4, characterized in that an anti-slip strip (8) is fixed on the outer side surface of the tubular hand-held portion (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294769.XU CN211040079U (en) | 2019-12-19 | 2019-12-19 | Steel-plastic composite pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294769.XU CN211040079U (en) | 2019-12-19 | 2019-12-19 | Steel-plastic composite pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211040079U true CN211040079U (en) | 2020-07-17 |
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ID=71537620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294769.XU Active CN211040079U (en) | 2019-12-19 | 2019-12-19 | Steel-plastic composite pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211040079U (en) |
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2019
- 2019-12-19 CN CN201922294769.XU patent/CN211040079U/en active Active
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