CN216344555U - Pipeline tightening compression joint - Google Patents
Pipeline tightening compression joint Download PDFInfo
- Publication number
- CN216344555U CN216344555U CN202122641853.1U CN202122641853U CN216344555U CN 216344555 U CN216344555 U CN 216344555U CN 202122641853 U CN202122641853 U CN 202122641853U CN 216344555 U CN216344555 U CN 216344555U
- Authority
- CN
- China
- Prior art keywords
- joint
- sleeve
- compression
- groove
- inner core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a pipeline tightening compression joint, which comprises a circular joint inner core, a joint compression sleeve and a joint outer sleeve, wherein a convex part is arranged on the outer side of the joint inner core, a clamping groove part corresponding to the convex part is arranged on the inner side of the joint compression sleeve, the joint compression sleeve consists of a plurality of arc-shaped sheets which are movably connected, the joint surface of the joint compression sleeve and the joint outer sleeve is an inclined surface, grooves are arranged on the outer surface of the joint compression sleeve at intervals, an arched spring sheet is arranged in each groove, an iron sheet is arranged above each spring sheet, one end of each iron sheet is connected with the side surface of each groove through a pin, the other end of each iron sheet extends out of each groove, the inner wall of the joint outer sleeve is provided with an inward clamping groove corresponding to each groove, and corresponding connecting holes are arranged on flanges on the outer sides of the joint outer sleeve and the joint inner core, and increased auto-lock structure, the structure is light and handy, and the articulate fastness is high, and the installation effectiveness is fast, and the installation cost is low.
Description
Technical Field
The invention belongs to the technical field of pipeline connection, and particularly relates to a pipeline tightening and compressing joint.
Background
At present, the hose joint technology mostly adopts glue injection compression (large-diameter pipeline), radial direct contraction compression (small-diameter pipeline) or mechanical internal account external buckle forms.
The prior hose joint technology has the following defects:
1. glue injection joint: the cost is high, the site operation is inconvenient (electric and high-pressure glue injection equipment needs to be configured), after the pressure is released, the compressed part is easy to rebound, the joint and the pipeline are limited in bonding fastness, and particularly the thermal and thermal pipeline repair is obvious.
2. Radially and directly tightening the compression joint: is a long-term used joint for a small-caliber hose, and generally consists of 2-3 compressible outer sleeves. However, for a large-diameter hose, the number of compressible pieces is more, and the precision of each piece of clearance is difficult to control during installation. When compression is carried out, each compression sheet cannot be synchronously carried out, and the locking force during compression is inconsistent, so that the tightness of each sheet is inconsistent.
3. Interior account, outer knot, interior account are detained formula outward and are connected: the field construction is inconvenient (electric and high-pressure glue injection equipment needs to be configured), after pressure relief, the compressed part is easy to rebound, the joint and the pipeline are limited in bonding fastness, particularly the thermal and thermal pipeline is repaired, and the joint is loosened obviously along with the relaxation of the stress of the lining and the outer coating material along with the continuous high temperature.
Disclosure of Invention
In order to solve the problems, the invention discloses a pipeline tightening compression joint which is novel and convenient in structure, adopts inclined plane sliding to realize joint locking force, is additionally provided with a self-locking structure, improves the connection fastness of the joint, and has high installation efficiency and low installation cost.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a pipeline tightening compression joint comprises a circular joint inner core, a joint compression sleeve and a joint outer sleeve, the outer side of the joint inner core is provided with a convex part, the inner side of the joint compression sleeve is provided with a clamping groove part corresponding to the convex part, the joint compression sleeve consists of a plurality of arc-shaped sheets which are movably connected, the joint compression sleeve covers the outer side of the joint inner core, the joint outer sleeve is arranged on the outer side of the joint compression sleeve, the joint surface of the joint compression sleeve and the joint outer sleeve is an inclined surface, grooves are arranged on the outer surface of the joint compression sleeve at intervals, an arched spring piece is arranged in each groove, an iron piece is arranged above the spring piece, one end of the iron piece is connected with the side surface of the groove through a pin, the other end of the iron piece extends out of the groove, the inner wall of the joint outer sleeve is provided with an inward-sunken clamping groove corresponding to the groove, and the flanges on the outer sides of the joint outer sleeve and the joint inner core are provided with corresponding connecting holes.
As an improvement of the invention, the clamping groove is in the shape of a right triangle, and a right-angle side of the clamping groove is arranged at one end close to the flange.
As an improvement of the invention, the outer surface of the joint compression sleeve is provided with grooves at equal intervals
As an improvement of the invention, the convex part is an isosceles trapezoid block, and the clamping groove part is a U-shaped groove.
As an improvement of the invention, the connecting hole of the flange on the outer side of the joint inner core is a counter bore.
The invention discloses a using method of a pipeline tightening compression joint, which comprises the following steps:
(1) the outer sleeve of the joint penetrates through the hose, the inner core of the joint penetrates through the hose,
(2) the joint inner core is moved to the position of the hose where the joint needs to be installed, the joint compression sleeve is coated outside the joint inner core,
(3) then the joint outer sleeve moves towards the end part of the joint inner core along the outer wall of the joint compression sleeve;
(4) the bolt is arranged on the outer flange of the joint outer sleeve and the outer flange of the joint inner core, the bolt is fixed at the end part of the joint inner core, and the joint outer sleeve is driven to move towards the end part of the joint inner core while the bolt is screwed down, so that the joint compression sleeve, the hose and the joint inner core are tightly attached.
Grooves are formed in the outer surface of the joint compression sleeve in the step (3) at intervals, an arched spring piece and an iron piece are arranged in each groove, the iron piece is arranged above the spring piece, one end of the iron piece is connected with the side face of each groove through a pin, and the other end of the iron piece extends out of each groove and is higher than the surface of the joint compression sleeve; the inner side of the joint outer sleeve is provided with a plurality of circles of inwards-sunken clamping grooves, when the joint outer sleeve moves towards the end part of the joint inner core, the inner wall of the joint outer sleeve presses the iron sheet downwards when passing through the groove, and when the clamping grooves pass through, the iron sheet tilts again, so that the joint outer sleeve cannot retract; as the nipple outer sleeve moves further toward the nipple inner core end until the nipple and hose are securely locked.
And (4) finally detaching the bolt in the step (3).
The invention has the beneficial effects that:
the invention adopts the tightening bolt to drive the joint outer sleeve, adopts the inclined plane sliding to realize the joint locking force, further clamps the hose, adds the self-locking structure, does not need power distribution equipment, has light structure, can remove the bolt part on the hose subsequently, and does not generate the phenomenon of corrosion and abrasion. Novel structure is convenient, and the articulate fastness is high, and the installation effectiveness is fast, and the installation cost is low.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic connection diagram of the self-locking device according to the present invention.
Fig. 3 is a schematic view of a joint core according to the present invention.
Fig. 4 is a schematic view of a compression sleeve for a fitting according to the present invention.
Fig. 5 is a schematic view of a joint jacket according to the present invention.
List of reference symbols:
1. the connector comprises a connector inner core, 2 a connector compression sleeve, 3 a connector outer sleeve, 4 a protruding portion, 5 a clamping groove portion, 6 an arc-shaped sheet, 7 a groove, 8 a spring sheet, 9 an iron sheet, 10 a clamping groove, 11 a flange, 12 a connecting hole, 13 a counter sink, 14 a bolt, 15 and a hose.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
As shown in the figure, when the pipeline joint is installed, as shown in figure 2, the joint outer sleeve 3 firstly penetrates through the hose 15, then the joint inner core 1 penetrates through the hose, the joint inner core 1 is moved to the position of the hose where the joint needs to be installed, the joint inner core is covered with the joint compression sleeve 2, and then the joint outer sleeve 3 is moved towards the end part of the joint inner core along the outer wall of the joint compression sleeve 2. The bolt 14 is arranged on the joint outer sleeve 3 and the joint inner core 1, the bolt is fixed at the countersunk hole 13 at the end part of the joint inner core 1, and the joint outer sleeve 3 is driven to move towards the end part of the joint inner core 1 while the bolt is tightened, so that the joint compression sleeve 2, the hose 15 and the joint inner core 1 are tightly attached.
The joint inner core 1 and the joint compression sleeve 2 are provided with a convex part 4 and a clamping groove part 5 which correspond to each other, and a hose 15 is arranged between the convex part 4 and the clamping groove part; the connector compression sleeve 2 is composed of a plurality of detachable arc-shaped pieces 6 which are movably connected, is sleeved on the connector inner core 1 and is used for coating the outer surface of the hose 15; the joint compression sleeve 2 and the joint outer sleeve 3 are attached to each other, the surfaces of the joint compression sleeve 2 and the joint outer sleeve 3 are inclined surfaces, and when the joint outer sleeve 3 moves towards the end of the joint inner core 1, the joint compression sleeve 2 is gradually extruded towards the joint inner core 1 under the action of extrusion force, so that the hose 15 is tightly clamped between the joint compression sleeve and the joint outer sleeve.
The invention also adds a self-locking device, as shown in figures 2 and 4, small grooves 7 are arranged on the outer surface of the joint compression sleeve 2 at intervals, and a cambered spring piece 8 and a thick iron piece 9 are arranged inside each groove 7. Because the iron sheet is placed above the spring sheet, when the spring sheet is arranged on the right side of the groove, the left side of the iron sheet can be tilted and is higher than the surface of the joint compression sleeve. The inner side of the joint outer sleeve is provided with a plurality of circles of inwards-sunk clamping grooves 10 (the clamping grooves 10 are in the shape of right triangles, and right-angle sides of the clamping grooves are arranged at one ends close to flanges), when the joint outer sleeve moves towards the end part of the joint inner core, the inner wall of the joint outer sleeve presses the iron sheet 9 downwards, and when the clamping grooves 10 pass through, the iron sheet 9 tilts again, so that the joint outer sleeve 3 cannot retract. According to the actual combination condition of the hose and the connector, the connector outer sleeve can further move towards the end part of the connector inner core until the connector and the hose are firmly locked.
Because of the particularity of the thermal power pipeline, the thermal power pipeline is mainly used for conveying media such as hot water or steam, and parts such as screws and bolts arranged in an installation structure of the thermal power pipe joint are easy to corrode and damage. Adopt in this scheme to screw up the bolt and drive the joint overcoat, and then with the hose chucking, neither need distribution equipment, the structure is light and handy, and follow-up also can be demolishd of the bolt part on it, can not take place the phenomenon of corrosion wearing and tearing.
According to the invention, the convex part 4 is an isosceles trapezoid block, and the clamping groove part 5 is a U-shaped groove, so that the friction force and the sealing performance of the joint are improved.
The invention adopts the inclined plane sliding to realize the locking force of the joint.
The invention designs a self-locking structure (the connector can not slide out after being locked) for preventing the loosening phenomenon caused by the sliding of the connector compression sleeve.
No rebound phenomenon caused by compression; and need not to carry out accurate installation, reduced and connect compression sleeve displacement risk.
When the connector outer sleeve is used for compressing the connector compression sleeve, the compression stroke can be well unified.
In addition, the number of the circumferential locking bolts is determined according to the size of the mounting caliber.
It should be noted that the above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and it is obvious to those skilled in the art that several modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations fall within the protection scope of the claims of the present invention.
Claims (5)
1. A pipeline tightens up compression joint which characterized in that: comprises a circular joint inner core, a joint compression sleeve and a joint outer sleeve, wherein the outer side of the joint inner core is provided with a convex part, the inner side of the joint compression sleeve is provided with a clamping groove part corresponding to the convex part, the joint compression sleeve consists of a plurality of arc-shaped sheets which are movably connected, the joint compression sleeve covers the outer side of the joint inner core, the joint outer sleeve is arranged at the outer side of the joint compression sleeve, the joint compression sleeve and the joint outer sleeve are jointed by an inclined plane, grooves are arranged on the outer surface of the joint compression sleeve at intervals, an arched spring piece is arranged in each groove, an iron piece is arranged above the spring piece, one end of the iron piece is connected with the side surface of the groove through a pin, the other end of the iron piece extends out of the groove, the inner wall of the joint outer sleeve is provided with an inward-sunken clamping groove corresponding to the groove, and the flanges on the outer sides of the joint outer sleeve and the joint inner core are provided with corresponding connecting holes.
2. The pipe tightening compression joint of claim 1, wherein: the clamping groove is in a right-angled triangle shape, and a right-angled edge of the clamping groove is arranged at one end close to the flange.
3. The pipe tightening compression joint of claim 1, wherein: grooves are arranged on the outer surface of the joint compression sleeve at equal intervals.
4. The pipe tightening compression joint of claim 1, wherein: the convex part is an isosceles trapezoid block, and the clamping groove part is a U-shaped groove.
5. The pipe tightening compression joint of claim 1, wherein: the connecting hole of the flange on the outer side of the joint inner core is a counter bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641853.1U CN216344555U (en) | 2021-11-01 | 2021-11-01 | Pipeline tightening compression joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641853.1U CN216344555U (en) | 2021-11-01 | 2021-11-01 | Pipeline tightening compression joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344555U true CN216344555U (en) | 2022-04-19 |
Family
ID=81133305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122641853.1U Active CN216344555U (en) | 2021-11-01 | 2021-11-01 | Pipeline tightening compression joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344555U (en) |
-
2021
- 2021-11-01 CN CN202122641853.1U patent/CN216344555U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20110042844A (en) | Flexible connector using single body flange having nut seat and control bar joining plate | |
| CN216344555U (en) | Pipeline tightening compression joint | |
| CN202719329U (en) | Split weld-free injecting clamp | |
| CN113847496A (en) | Pipeline tightening compression joint | |
| CN101576189B (en) | Universal connecting pipe fitting | |
| CN216618659U (en) | High temperature resistant check valve of stability | |
| CN201074713Y (en) | Connecting structure for flange type pipe | |
| CN201875311U (en) | Seal joint in hydraulic system | |
| CN211292306U (en) | Flange gland type pressure test mould for floating head heat exchanger | |
| CN220540573U (en) | Pipeline connecting device for heating and ventilation engineering | |
| CN211292377U (en) | Self-tapping screw type pressure test mould for floating head heat exchanger gland | |
| CN211398860U (en) | Clamp formula annular pipe connects flexible line connection structure | |
| CN209781920U (en) | Groove type connecting structure of fire fighting pipeline | |
| CN203431405U (en) | Mounting device for mounting water pressure barrel on pipe connector in water pressure test | |
| CN211449982U (en) | Clamping and pressing structure for copper pipe fitting | |
| CN208074351U (en) | A kind of tubing connecting device | |
| CN110566743B (en) | Improved three-way pipe | |
| CN210716405U (en) | Quick connector | |
| CN105042273A (en) | Pipeline maintenance and first-aid repair pipe clamp | |
| CN216643394U (en) | Pipeline anti-drop connector | |
| CN211716013U (en) | Online leaking stoppage tool for local slight damage of high-pressure gas pipeline corrugated compensator | |
| CN212107318U (en) | Fan pipeline connecting piece capable of bearing force uniformly | |
| CN212804650U (en) | Sealing pipe joint | |
| CN216344448U (en) | Novel air inlet hose assembly | |
| CN214889726U (en) | Split type tee pipeline under-pressure emergency repair clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |