CN212131638U - Pipeline direct-insertion connecting device with protective shell and connecting pipeline thereof - Google Patents
Pipeline direct-insertion connecting device with protective shell and connecting pipeline thereof Download PDFInfo
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- CN212131638U CN212131638U CN202020659218.9U CN202020659218U CN212131638U CN 212131638 U CN212131638 U CN 212131638U CN 202020659218 U CN202020659218 U CN 202020659218U CN 212131638 U CN212131638 U CN 212131638U
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Abstract
The utility model discloses a pipeline direct-insert connecting device with a protective shell and a connecting pipeline thereof, which comprises two pipelines and a connecting device for connecting the pipelines, wherein the connecting device comprises a connecting pipe, a pipe connecting component and a fastener, and a pipeline laminating section, a pipeline guiding section and a sealing ring accommodating section are sequentially arranged on the connecting pipe from the middle part to the two ends; the two pipe connecting components are respectively positioned at the two ends of the connecting pipe; the pipe connecting assembly comprises a protective hoop, a sealing ring pressing ring and a sealing ring, the end part of the connecting pipe is inserted into a large-diameter hole of the protective hoop, and the sealing ring is arranged in the sealing ring accommodating section; the fastener fastens and connects the protective hoops in the two pipe connecting components; the pipeline passes through a pipe connecting assembly and then is inserted into the pipeline attaching section, and the sealing ring is in interference fit with the pipeline. The utility model discloses in, connecting tube is simple, the split pipeline is convenient and the leakproofness is strong, and connecting device can form double-deck protection to sealed part, makes connecting device have higher antidetonation, anti high temperature and the ability of anti external force.
Description
Technical Field
The utility model relates to a pipe connection technical field, concretely relates to take pipeline of protective housing to cut straightly connecting device and connecting tube thereof.
Background
The existing connection technology of the existing large pipeline comprises groove connection, flange connection, welding connection and the like. The conventional large pipeline connection modes have the following defects:
1. when groove connection is adopted, the outer walls of two pipelines to be connected need to be subjected to groove rolling processing on site, the conveying and electricity taking of groove rolling equipment are inconvenient, multiple persons are required to operate and the pipelines to be processed are fixed so as to facilitate the groove rolling processing, and meanwhile, in order to ensure the smooth matching connection in the later period, the groove rolling operation needs professional technical workers to operate;
2. when the flange connection is adopted, welding operation needs to be carried out on the flange and the pipeline, if the pipeline system is made of stainless steel, the welded welding line cannot be subjected to solid fusion treatment, and the risk of rusting is caused at the welding line; meanwhile, the flange connection is end face sealing, so that the flange is required to have a certain thickness to bear the pressure in the pipeline, and the thickening of the flange sheet increases the material cost;
3. when the welding connection is adopted, not only can a professional welder be required to connect the pipelines during welding operation, but also if the pipeline system is made of stainless steel, the welded welding seam cannot be subjected to solid melting treatment, and the risk of rusting is generated at the welding seam; and if the plastic-lined pipe is connected, the welding connection cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a take pipeline of protective housing to cut straightly connecting device and connecting tube thereof has solved not only the difficult operation and above-mentioned technical problem such as easy rust of not only growing in the connection of current large-scale pipeline.
The utility model adopts the technical scheme as follows:
a pipeline direct-insert connecting device with a protective shell comprises a connecting pipe, a pipe connecting assembly and a fastener, wherein a pipeline attaching section, a pipeline guiding section and a sealing ring accommodating section are sequentially arranged on the inner wall of the connecting pipe from the middle part to two ends, and the diameters of the pipeline attaching section, the pipeline guiding section and the sealing ring accommodating section are sequentially increased;
the two pipe connecting components are respectively positioned at two ends of the connecting pipe;
the pipe connecting assembly comprises a protection hoop, a sealing ring pressing ring and a sealing ring, wherein the axis of the protection hoop coincides with the axis of the connecting pipe, the inner hole of the protection hoop is a secondary constant-diameter hole, the end part of the connecting pipe is inserted into a large-diameter hole of the protection hoop, the sealing ring is arranged in the sealing ring accommodating section, and the sealing ring pressing ring is positioned between the end part of the connecting pipe and the bottom of the large-diameter hole of the protection hoop;
the fastener is with the protection hoop fastening connection among two pipe coupling assembling, and makes protection hoop, sealing washer clamping ring, sealing washer and takeover axial compress tightly, and the sealing washer is compressed tightly on the sealing washer holds the section by the sealing washer clamping ring, the outer lane and the pipeline laminating section interference fit of sealing washer.
And furthermore, a lock pipe gear ring is arranged between the seal ring pressing ring and the bottom of the large-diameter hole of the protection hoop, the outer ring of the lock pipe gear ring is in interference fit with the wall of the large-diameter hole of the protection hoop, and the outer ring is axially pressed.
Further, lock pipe ring gear includes that quantity is N linkage segment, installation section and clutch blocks, linkage segment and installation section are made by elastic rubber, and it is staggered arrangement in proper order to the ending connects gradually and forms a ring body, and the hardness of linkage segment and installation section all is less than the hardness of clutch blocks, the clutch blocks is located the inboard of ring body to respectively each joint on an installation section.
Further, anti-slip teeth are arranged on the side wall of the friction block facing the ring axis.
Furthermore, a through groove is formed in the side wall, far away from the ring axis, of the friction block, the opening size of the through groove is smaller than the size of the groove bottom, the installation section is located in the through groove, and the shape and the size of the installation section are consistent with those of the through groove.
Furthermore, the through groove is a dovetail groove, and two ends of the through groove are bent into arc-shaped grooves around the axis of the ring body.
Furthermore, the large-diameter hole of the protective hoop comprises a constant-diameter hole section and a conical hole section which are communicated in sequence and are coaxial, the diameter of the large-diameter end of the conical hole section is consistent with that of the constant-diameter hole section, the large-diameter end of the conical hole section is connected with the constant-diameter hole section, and the small-diameter end of the conical hole section is communicated with the small-diameter hole of the protective hoop;
the lock pipe gear ring is a conical ring, the small diameter end of the lock pipe gear ring is in contact with the hole bottom of the large-diameter hole of the protection hoop, the large diameter end of the lock pipe gear ring is in contact with the sealing ring pressing ring, the taper of the lock pipe gear ring is larger than that of the conical hole section, and the small diameter of the lock pipe gear ring is larger than the small diameter of the conical hole section.
Further, the fastener is a bolt, and the tail end of the rod part of the bolt penetrates through one protective hoop and is in threaded connection with the other protective hoop.
Further, the protective ferrules in the two pipe connection assemblies are in contact with each other.
A connecting pipeline comprises two pipelines and a connecting device for fixedly connecting the two pipelines, wherein the connecting device comprises a connecting pipe, a pipe connecting component and a fastener, a pipeline attaching section, a pipeline guiding section and a sealing ring accommodating section are sequentially arranged on the inner wall of the connecting pipe from the middle part to two ends, and the diameters of the pipeline attaching section, the pipeline guiding section and the sealing ring accommodating section are sequentially increased;
the two pipe connecting components are respectively positioned at two ends of the connecting pipe;
the pipe connecting assembly comprises a protection hoop, a sealing ring pressing ring and a sealing ring, wherein the axis of the protection hoop coincides with the axis of the connecting pipe, the inner hole of the protection hoop is a secondary constant-diameter hole, the end part of the connecting pipe is inserted into a large-diameter hole of the protection hoop, the sealing ring is arranged in the sealing ring accommodating section, and the sealing ring pressing ring is positioned between the end part of the connecting pipe and the bottom of the large-diameter hole of the protection hoop;
the fastener fastens and connects the protection hoops in the two pipe connecting components, and enables the protection hoops, the sealing ring pressing ring, the sealing ring and the connecting pipe to be axially pressed, the sealing ring is pressed on the sealing ring accommodating section by the sealing ring pressing ring, and the outer ring of the sealing ring is in interference fit with the pipeline attaching section;
the axis of the pipeline coincides with the axis of the connecting device, the pipeline respectively penetrates through the pipe connecting assembly and then is inserted into the pipeline attaching section, the pipeline attaching section is in interference fit with the pipeline attaching section, and the inner ring of the sealing ring is in interference fit with the outer ring of the pipeline.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a pipeline cut straightly connecting device with protective housing and connecting pipeline thereof, not only the connecting pipeline is simple, the split pipeline is convenient and the sealing performance is strong, there is no rusting risk, the connecting device can form double-layer protection to the sealing part, so that the connecting device designed by the utility model has higher capabilities of shock resistance, high temperature resistance and external force resistance; the utility model also fastens and connects the pipeline and the pipe connecting component, improves the synchronism of the pipeline, prevents the pipeline from being separated from the connecting device when the pipeline is mutually kept away by external force, and improves the stability of the working state of the utility model;
2. the utility model relates to a pipeline cut-to-length joint device with a protective shell and a connecting pipeline thereof, the protective hoops of two pipe connecting components are contacted with each other, thereby covering the connecting pipe and the fracture part between the two pipelines, thereby forming double-layer protection for the sealing part, so the joint device has higher capabilities of resisting earthquake, high temperature and external force;
3. the utility model relates to a pipeline cut straightly connecting device with protective housing and connecting pipeline thereof, the arrangement of the anti-skid teeth increases the friction between the lock pipe gear ring and the pipeline, further improves the stability of the connection between the connecting device and the pipeline;
4. the utility model relates to a take pipeline cut straightly connecting device and connecting tube of protective housing, the technique workman or the welding workman that the pipeline connection technique does not need the specialty just can connect the pipeline, on-the-spot installation need not carry out slot or processing to the pipeline with when connecting, and need not carry out special treatment to the connection position, the degree of difficulty and workman's intensity of labour that have alleviateed the pipe connection, can be applied to the lining simultaneously and mould the pipeline, the connection of multiple pipelines such as steel pipe, compare with traditional slot connection, shearing and bending resistance after the pipe connection have been improved greatly, this kind of connection structure is radial seal and traditional flange joint compare, great lightening in material weight.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
FIG. 1 is a schematic view of the construction of the connection device;
FIG. 2 is an exploded view of the connection device;
FIG. 3 is a schematic structural view of a protective cuff;
FIG. 4 is a schematic structural view of the adapter tube;
FIG. 5 is an exploded view of the lock tube ring gear;
FIG. 6 is an external structural view of a connecting pipe;
FIG. 7 is an exploded view of the connecting conduit;
FIG. 8 is a cross-sectional view of the connecting conduit;
fig. 9 shows an embodiment of the present invention in which the protection bands do not contact each other.
Reference numerals in the drawings indicate:
1-protective hoop, 101-equal-diameter hole section and 102-conical hole section;
2-locking pipe gear ring, 201-connecting section, 202-mounting section, 203-friction block, 204-anti-slip tooth, 205-through groove;
3-a sealing ring compression ring, 4-a sealing ring and 5-a fastener;
6-connecting pipe, 601-sealing ring accommodating section, 602-pipeline guiding section, 603-pipeline jointing section;
7-pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
The term "connected" as used herein is intended to mean a conventional connection, such as integrally formed, welded, riveted, etc., if not specifically emphasized, and the specific connection is preferably adapted according to conventional technical knowledge in the art. All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 9.
Example 1
As shown in fig. 1 to 8, the pipe direct-insert connection device with the protective shell of the present invention includes a connection pipe 6, a pipe connection assembly and a fastening member 5, wherein a pipe attaching section 603, a pipe guiding section 602 and a sealing ring accommodating section 601 are sequentially disposed on an inner wall of the connection pipe 6 from a middle portion to both ends, and diameters of the pipe attaching section 603, the pipe guiding section 602 and the sealing ring accommodating section 601 are sequentially increased;
the two pipe connecting components are respectively positioned at two ends of the connecting pipe 6;
the pipe connecting assembly comprises a protection hoop 1, a sealing ring pressing ring 3 and a sealing ring 4, wherein the axes of the protection hoop 1 and the connecting pipe 6 are coincident, the inner hole of the protection hoop 1 is a secondary constant-diameter hole and comprises a large-diameter hole and a small-diameter hole which are coaxial and communicated with each other, the end part of the connecting pipe 6 is inserted into the large-diameter hole of the protection hoop 1, the sealing ring 4 is arranged in a sealing ring accommodating section 601, and the sealing ring pressing ring 3 is positioned between the end part of the connecting pipe 6 and the bottom of the large-diameter hole of the protection hoop 1;
The fastener can adopt a bolt, a screw rod and the like. In the present invention, the fastener 5 is preferably a bolt, and the end of the rod portion thereof is connected to the other protection hoop 1 by a screw after penetrating through the protection hoop 1. The sealing ring is preferably an O-ring.
When connecting two pipelines, respectively establish on a pipeline 7 earlier pipe coupling assembling respectively: sequentially sleeving a protection hoop 1, a sealing ring pressing ring 3 and a sealing ring 4 on a pipeline, wherein the pipeline is inserted into a small-diameter hole of the protection hoop and penetrates out of a large-diameter hole of the protection hoop; then, inserting two pipelines 7 into the pipeline guide sections 602 at the two ends of the connecting pipe 6 respectively, wherein the pipelines 7 are prevented from being arranged between the pipeline attaching section 603 and the pipeline guide sections 602; the sealing ring 4 is now slid into the sealing ring receiving section 601; then the protection hoops 1 sleeved on the two pipelines 7 are close to each other, so that the protection hoops 1, the sealing ring pressing rings 3 and the sealing rings 4 are sequentially attached to the end faces and axially compressed. And then, the two protection hoops 1 are axially locked with each other by the fastener 5, when the fastener 5 is tightened, the protection hoops 1 approach each other, the protection hoop 1 drives the pipeline 7 to continue to be inserted into the pipeline joint section 603 of the connecting pipe 6, meanwhile, under the movement of the protection hoop 1, the sealing ring pressing ring 3 is further pressed towards the sealing ring 4, and the sealing ring 4 can firmly seal the pipeline 7 and the connecting pipe 6 under the extrusion deformation. Because the joint sections of the pipeline 7 and the connecting pipe 6 are in tight fit after connection, the connected pipeline has extremely strong shear resistance and bending resistance.
Preferably, when the pipe sealing and locking connection is performed by using the connection device, the protection bands 1 of the two pipe connection assemblies contact each other, so that the fracture part between the adapter tube 6 and the two pipes 7 is covered, thereby forming double protection for the sealing part, so that the connection device has higher shock resistance, high temperature resistance and external force resistance. It is also possible that the protection bands 1 of the two pipe connection assemblies do not contact each other as required by the construction environment, etc., as shown in fig. 9.
When dismantling the pipeline, loosen fastener 5 down, it can then to make two pipe coupling assembling keep away from each other.
To sum up, the utility model discloses connecting tube is simple, the split pipeline is convenient and the leakproofness is strong, does not have the risk of rusting to connecting device can form double-deck protection to seal part, so that the utility model discloses a connecting device has higher antidetonation, anti high temperature and the ability of anti external force.
Example 2
In some conventional work, the two connected pipes are subjected to pulling force due to working conditions, so in order to further improve the stability between the pipe 7 and the connecting device, the following design is preferably adopted:
a pipeline direct-insert connecting device with a protective shell comprises a connecting pipe 6, a pipe connecting assembly and a fastener 5, wherein a pipeline attaching section 603, a pipeline guiding section 602 and a sealing ring accommodating section 601 are sequentially arranged on the inner wall of the connecting pipe 6 from the middle part to two ends, and the diameters of the pipeline attaching section 603, the pipeline guiding section 602 and the sealing ring accommodating section 601 are sequentially increased;
the two pipe connecting components are respectively positioned at two ends of the connecting pipe 6;
the pipe connecting assembly comprises a protection hoop 1, a sealing ring pressing ring 3 and a sealing ring 4, wherein the axes of the protection hoop 1 and the connecting pipe 6 are coincident, the inner hole of the protection hoop 1 is a secondary constant-diameter hole and comprises a large-diameter hole and a small-diameter hole which are coaxial and communicated with each other, the end part of the connecting pipe 6 is inserted into the large-diameter hole of the protection hoop 1, the sealing ring 4 is arranged in a sealing ring accommodating section 601, and the sealing ring pressing ring 3 is positioned between the end part of the connecting pipe 6 and the bottom of the large-diameter hole of the protection hoop 1;
Be provided with lock pipe ring gear 2 between the big footpath hole bottom of sealing washer clamping ring 3 and protection hoop 1, lock pipe ring gear 2's outer lane and protection hoop 1's big footpath hole wall interference fit, and its axial pressurized.
Further, lock pipe ring gear 2 includes linkage segment 201, installation section 202 and clutch blocks 203 that the quantity is 12, linkage segment 201 and installation section 202 are made by elastic rubber, and it is staggered in proper order, and connect gradually in the end and form a ring body, and the hardness of linkage segment 201 and installation section 202 all is less than the hardness of clutch blocks 203, clutch blocks 203 are located the inboard of ring body to respectively the joint on an installation section 202.
Further, on said friction blocks 203, on the side wall facing the ring axis, there are anti-slip teeth 204, the friction blocks 203 preferably being metal blocks.
Further, a through groove 205 is formed in a side wall, away from the ring axis, of the friction block 203, the opening size of the through groove 205 is smaller than the size of the groove bottom, the mounting section 202 is located in the through groove 205, the shape and the size of the mounting section 202 are consistent with those of the through groove 205, and when the through groove 205 in the friction block 203 is matched with the mounting section 202, the elastic mounting section 202 is pressed into the through groove 205 by compressing and deforming the mounting section 202, so that the friction block 203 is mounted on the mounting section 202.
Further, the through groove 205 is a dovetail groove, and two ends of the through groove are bent into arc-shaped grooves around the axis of the ring body.
Further, the large-diameter hole of the protection hoop 1 comprises a constant-diameter hole section 101 and a conical hole section 102 which are sequentially communicated and coaxial, the diameter of the large-diameter end of the conical hole section 102 is consistent with that of the constant-diameter hole section 101, the large-diameter end of the conical hole section is connected with the constant-diameter hole section 101, and the small-diameter end of the conical hole section is communicated with the small-diameter hole of the protection hoop 1;
the lock pipe gear ring 2 is a conical ring, the small diameter end of the lock pipe gear ring is in contact with the hole bottom of the large-diameter hole of the protection hoop 1, the large diameter end of the lock pipe gear ring is in contact with the sealing ring pressing ring 3, the taper of the lock pipe gear ring 2 is larger than that of the conical hole section 102, and the small diameter of the lock pipe gear ring 2 is larger than the small diameter of the conical hole section 102.
When connecting two pipelines, respectively establish on a pipeline 7 earlier pipe coupling assembling respectively: sequentially sleeving a protection hoop 1, a pipe locking gear ring 2, a sealing ring pressing ring 3 and a sealing ring 4 on a pipeline, and inserting a pipeline 7 into a small-diameter hole of the protection hoop and penetrating out of a large-diameter hole of the protection hoop; then, inserting two pipelines 7 into the pipeline guide sections 602 at the two ends of the connecting pipe 6 respectively, wherein the pipelines 7 are prevented from being arranged between the pipeline attaching section 603 and the pipeline guide sections 602; the sealing ring 4 is now slid into the sealing ring receiving section 601; then the protection hoops 1 sleeved on the two pipelines 7 are close to each other, so that the protection hoops 1, the pipe locking gear ring 2, the sealing ring pressing ring 3 and the sealing ring 4 are sequentially attached to the end face and axially compressed. The two protective collars 1 are then axially locked to each other by the fastener 5, and when the fastener 5 is tightened, the protective collars 1 approach each other, and the protective collars 1 drive the pipe 7 to continue to be inserted into the pipe joint section 603 of the connecting pipe 6. Along with continuous locking, the protection hoops 1 approach each other, and when the protection hoops are locked, the inclined hole wall of the conical hole section 102 extrudes the outer ring of the lock pipe gear ring 2, so that the lock pipe gear ring 2 is tightened, the lock pipe gear ring 2 is tightly held on the pipeline 7, the pipeline 7 and the lock pipe gear ring 2 are connected into a whole, the mutually pulled pipeline 7 is prevented from being separated at the connecting device, and the use stability of the connecting device is improved; the friction force between the pipe locking gear ring 2 and the pipeline 7 is increased due to the arrangement of the anti-slip teeth 204, and the stability of connection between the connecting device and the pipeline is further improved. When the pipe is continuously tightened again, the protection hoop 1 drives the pipe to continuously insert into the pipe fitting section 603 of the connecting pipe 6 by 7, meanwhile, the pipe locking gear ring 2 can be extruded to the sealing ring through the sealing ring pressing ring 3, and the sealing ring 4 can firmly seal the pipe 7 and the connecting pipe 6 under extrusion deformation. Because the joint sections of the pipeline 7 and the connecting pipe 6 are in tight fit after connection, the connected pipeline has extremely strong shear resistance and bending resistance.
To sum up, the utility model has the advantages that the connecting pipeline is simple, the pipeline is convenient to split, the sealing performance is strong, the rusting risk does not exist, and the connecting device can form double-layer protection on the sealing part, so that the connecting device designed by the utility model has higher capabilities of resisting shock, high temperature and external force; the utility model discloses still with pipeline and the fastening connection of pipe coupling assembling, promote its synchronism, prevent that the pipeline from receiving external force to keep away from the condition that breaks away from connecting device often and appearing, promoted the utility model discloses operating condition's stability.
Example 3
This embodiment is different from embodiment 2 in that: the pipe locking gear ring is replaced by a male shaft locking device, the outer circumferential surface of the male shaft locking device is a conical surface, a notch is arranged on one side of the side wall of the male shaft locking device, which is close to the small-diameter end, the small-diameter end of the side wall of the male shaft locking device is inserted into the conical hole section 102, the inclination of the conical surface of the male shaft locking device is larger than that of the conical surface of the conical hole, when the male shaft locking device is inserted into the conical hole section 102, the conical surface of the male shaft locking device is pressed towards the pipeline 7 by the hole wall of the conical hole section 102, and.
Example 4
A connecting pipeline comprises two pipelines 7 and a connecting device for fixedly connecting the two pipelines 7, wherein the connecting device comprises a connecting pipe 6, a pipe connecting assembly and a fastener 5, a pipeline attaching section 603, a pipeline guiding section 602 and a sealing ring accommodating section 601 are sequentially arranged on the inner wall of the connecting pipe 6 from the middle part to two ends, and the diameters of the pipeline attaching section 603, the pipeline guiding section 602 and the sealing ring accommodating section 601 are sequentially increased; the two pipe connecting components are respectively positioned at two ends of the connecting pipe 6;
the pipe connecting assembly comprises a protection hoop 1, a sealing ring pressing ring 3 and a sealing ring 4, wherein the axes of the protection hoop 1, the sealing ring pressing ring and the sealing ring 4 are all coincident with the axis of the connecting pipe 6, the inner hole of the protection hoop 1 is a secondary uniform-diameter hole, the end part of the connecting pipe 6 is inserted into a large-diameter hole of the protection hoop 1, the sealing ring 4 is installed in a sealing ring accommodating section 601, and the sealing ring pressing ring 3 is located between the end part of the connecting pipe 6 and the bottom of the large-diameter hole of the protection hoop;
Further, be provided with lock pipe ring gear 2 between the big footpath hole bottom of sealing washer clamping ring 3 and protection hoop 1, lock pipe ring gear 2's outer lane and protection hoop 1's big footpath hole wall interference fit, and its axial pressurized.
Further, lock pipe ring gear 2 includes linkage segment 201, installation section 202 and clutch blocks 203 that the quantity is 12, linkage segment 201 and installation section 202 are made by elastic rubber, and it is staggered in proper order, and connect gradually in the end and form a ring body, and the hardness of linkage segment 201 and installation section 202 all is less than the hardness of clutch blocks 203, clutch blocks 203 are located the inboard of ring body to respectively the joint on an installation section 202.
Further, on the side wall of the friction block 203 facing the ring axis, anti-slip teeth 204 are provided.
Further, a through groove 205 is arranged on the side wall of the friction block 203 far away from the ring axis, the opening size of the through groove 205 is smaller than the size of the groove bottom, the mounting section 202 is positioned in the through groove 205, and the shape and the size of the mounting section 202 are consistent with the shape and the size of the through groove 205.
Further, the through groove 205 is a dovetail groove, and two ends of the through groove are bent into arc-shaped grooves around the axis of the ring body.
Further, the large-diameter hole of the protection hoop 1 comprises a constant-diameter hole section 101 and a conical hole section 102 which are sequentially communicated and coaxial, the diameter of the large-diameter end of the conical hole section 102 is consistent with that of the constant-diameter hole section 101, the large-diameter end of the conical hole section is connected with the constant-diameter hole section 101, and the small-diameter end of the conical hole section is communicated with the small-diameter hole of the protection hoop 1;
the lock pipe gear ring 2 is a conical ring, the small diameter end of the lock pipe gear ring is in contact with the hole bottom of the large-diameter hole of the protection hoop 1, the large diameter end of the lock pipe gear ring is in contact with the sealing ring pressing ring 3, the taper of the lock pipe gear ring 2 is larger than that of the conical hole section 102, and the small diameter of the lock pipe gear ring 2 is larger than the small diameter of the conical hole section 102.
Further, the fastener 5 is a bolt, and the end of the rod part of the bolt penetrates through one protection hoop 1 and then is in threaded connection with the other protection hoop 1.
Further, the protective ferrules 1 in the two pipe connection assemblies are in contact with each other;
the axis of the pipeline 7 coincides with the axis of the connecting device, the pipelines 7 respectively pass through a pipe connecting assembly and then are inserted into the pipeline attaching section 603, and are in interference fit with the pipeline attaching section 603, and the inner ring of the sealing ring 4 is in interference fit with the outer ring of the pipeline 7.
To sum up, in the utility model, the operation of connecting the pipeline is simple, the operation of splitting the pipeline is convenient, the sealing performance is strong, the rusting risk does not exist, and the connecting device can form double-layer protection to the sealing part, so that the connecting device designed by the utility model has higher capabilities of resisting shock, high temperature and external force; the utility model discloses still through lock pipe ring gear with pipeline and pipe coupling assembling fastening connection, promote its synchronism, prevent that the pipeline from receiving external force to keep away from the condition that breaks away from often from connecting device mutually and appearing, promoted the utility model discloses operating condition's stability.
The utility model discloses in, the technique workman or the welding workman that the pipeline connection technique does not need the specialty just can connect the pipeline, need not carry out slot or processing to the pipeline during on-the-spot installation and connection, and need not carry out special treatment to connecting the position, pipeline connection's the degree of difficulty and workman's intensity of labour have been alleviateed, can be applied to the lining simultaneously and mould the pipeline, the connection of multiple pipelines such as steel pipe, compare with traditional slot connection, shearing and bending resistance after having improved the pipe connection greatly, this kind of connection structure is radial seal and traditional flange joint compares, great lightening in material weight.
The above description is only for 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 can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a take pipeline of protective housing to cut straightly connecting device which characterized in that: the pipe joint comprises a connecting pipe (6), a pipe connecting component and a fastening piece (5), wherein a pipe joint section (603), a pipe guide section (602) and a sealing ring accommodating section (601) are sequentially arranged on the inner wall of the connecting pipe (6) from the middle part to two ends, and the diameters of the pipe joint section (603), the pipe guide section (602) and the sealing ring accommodating section (601) are sequentially increased;
the two pipe connecting components are respectively positioned at two ends of the connecting pipe (6);
the pipe connecting assembly comprises a protection hoop (1), a sealing ring pressing ring (3) and a sealing ring (4), wherein the axes of the protection hoop (1) and the sealing ring (4) coincide with the axis of the connecting pipe (6), the inner hole of the protection hoop (1) is a secondary uniform-diameter hole, the end part of the connecting pipe (6) is inserted into a large-diameter hole of the protection hoop (1), the sealing ring (4) is installed in a sealing ring accommodating section (601), and the sealing ring pressing ring (3) is located between the end part of the connecting pipe (6) and the bottom of the large-diameter hole of the protection hoop (1);
fastener (5) are with protection hoop (1) fastening connection among two pipe coupling assembling, and make protection hoop (1), sealing washer clamping ring (3), sealing washer (4) and take over (6) axial and compress tightly, the outer lane and the pipeline laminating section (603) interference fit of sealing washer (4).
2. The in-line connection device with protective shell of claim 1, wherein: be provided with between the big footpath hole bottom of sealing washer clamping ring (3) and protection hoop (1) lock pipe ring gear (2), the outer lane of lock pipe ring gear (2) and the big footpath hole pore wall interference fit of protection hoop (1), and its axial pressurized.
3. The in-line connection device with protective shell according to claim 2, characterized in that: lock pipe ring gear (2) are including quantity be N linkage segment (201), installation section (202) and clutch blocks (203), linkage segment (201) and installation section (202) are made by elastic rubber, and it staggered arrangement in proper order to the ending connects gradually and constitutes a ring body, and the hardness of linkage segment (201) and installation section (202) all is less than the hardness of clutch blocks (203), clutch blocks (203) are located the inboard of ring body to respectively each joint is on an installation section (202).
4. The in-line connection device with protective shell of claim 3, wherein: anti-slip teeth (204) are arranged on the side wall of the friction block (203) facing the ring axis.
5. The in-line connection device with protective shell of claim 3, wherein: a through groove (205) is formed in the side wall, far away from the ring axis, of the friction block (203), the opening size of the through groove (205) is smaller than the size of the groove bottom, the installation section (202) is located in the through groove (205), and the shape and the size of the installation section (202) are consistent with those of the through groove (205).
6. The in-line connection device with protective shell of claim 5, wherein: the through groove (205) is a dovetail groove, and two ends of the through groove are bent into arc-shaped grooves around the axis of the ring body.
7. The in-line connection device with protective shell according to claim 2, characterized in that: the large-diameter hole of the protective hoop (1) comprises a constant-diameter hole section (101) and a conical hole section (102) which are communicated in sequence and are coaxial, the diameter of the large-diameter end of the conical hole section (102) is consistent with that of the constant-diameter hole section (101), the large-diameter end of the conical hole section is connected with the constant-diameter hole section (101), and the small-diameter end of the conical hole section is communicated with the small-diameter hole of the protective hoop (1);
the lock pipe gear ring (2) is a conical ring, the small diameter end of the lock pipe gear ring is in contact with the hole bottom of the large-diameter hole of the protection hoop (1), the large diameter end of the lock pipe gear ring is in contact with the sealing ring pressing ring (3), the taper of the lock pipe gear ring (2) is larger than that of the conical hole section (102), and the small diameter of the lock pipe gear ring (2) is larger than that of the conical hole section (102).
8. The pipe in-line connection device with protective shell according to any one of claims 1 to 7, characterized in that: the fastener (5) is a bolt, and the tail end of the rod part of the bolt penetrates through one protective hoop (1) and then is in threaded connection with the other protective hoop (1).
9. The pipe in-line connection device with protective shell according to any one of claims 1 to 7, characterized in that: the protective hoops (1) in both of the pipe connection assemblies are in contact with each other.
10. A connecting duct comprising two ducts (7) and connecting means for fixedly connecting the two ducts (7), characterized in that: the connecting device is as claimed in any one of claims 1 to 9, the axis of the pipeline (7) coincides with the axis of the connecting device, the pipelines (7) respectively penetrate through a pipe connecting assembly and then are inserted into the pipeline attaching section (603) and are in interference fit with the pipeline attaching section (603), and the inner ring of the sealing ring (4) is in interference fit with the outer ring of the pipeline (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659218.9U CN212131638U (en) | 2020-04-26 | 2020-04-26 | Pipeline direct-insertion connecting device with protective shell and connecting pipeline thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659218.9U CN212131638U (en) | 2020-04-26 | 2020-04-26 | Pipeline direct-insertion connecting device with protective shell and connecting pipeline thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131638U true CN212131638U (en) | 2020-12-11 |
Family
ID=73692394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020659218.9U Active CN212131638U (en) | 2020-04-26 | 2020-04-26 | Pipeline direct-insertion connecting device with protective shell and connecting pipeline thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131638U (en) |
-
2020
- 2020-04-26 CN CN202020659218.9U patent/CN212131638U/en active Active
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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 pipeline direct insertion connection device with a protective shell and its connecting pipeline Granted publication date: 20201211 Pledgee: Bank of China Limited Meishan Branch Pledgor: SICHUAN MINHE PIPELINE CONSTRUCTION ENGINEERING CO.,LTD.|Sichuan Minhe Pipe Industry Co.,Ltd. Registration number: Y2024980006802 |