CN105020523A - Sealing joint for connecting bamboo-joint-shaped prestressed plastic pipes - Google Patents
Sealing joint for connecting bamboo-joint-shaped prestressed plastic pipes Download PDFInfo
- Publication number
- CN105020523A CN105020523A CN201510387683.5A CN201510387683A CN105020523A CN 105020523 A CN105020523 A CN 105020523A CN 201510387683 A CN201510387683 A CN 201510387683A CN 105020523 A CN105020523 A CN 105020523A
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- CN
- China
- Prior art keywords
- sealing
- sealing gasket
- bamboo
- annular grooves
- large annular
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
- F16L47/065—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket, the sealing rings being placed previously on the male part
Abstract
The invention discloses a sealing joint for connecting bamboo-joint-shaped prestressed plastic pipes. The sealing joint is characterized in that the sealing joint is formed by butting a pair of semicircular pipes that are opposite in structure and are mirror-symmetrical; two large annular grooves, two small annular grooves and sealing gasket grooves which are identical in structure respectively are formed in an inner ring of each semicircular pipe; every two large annular grooves are formed on the two sides of a middle point of the corresponding semicircular pipe in the length direction; every two small annular grooves are formed on the outer sides of the corresponding two large annular grooves respectively; one sealing gasket groove is formed in each of the two sides of each large annular groove; the outer edge of a first large annular rib and the outer edge of a first small annular rib of each bamboo-joint-shaped prestressed plastic pipe are wrapped with two large annular grooves and two small annular grooves respectively; the sealing gasket grooves correspond to small straight pips at the end parts of the bamboo-joint-shaped prestressed plastic pipes in positions; and sealing gaskets are mounted in the sealing gasket grooves. The sealing joint has the benefits that the two sides of the large annular ribs are wrapped with the elastic sealing gaskets, so that the sealing effect is good, and the grouting of a vacuum prestressed hole channel is facilitated; and the two semicircular pipes are buckled, pressed and combined at the end parts of the bamboo-joint-shaped prestressed plastic pipes, so that the operation is easy and simple.
Description
Technical field
What the present invention relates to is connect the SEALING FITTING of plastic tube in prestress wire construction, particularly be a kind of SEALING FITTING connecting Bamboo-shaped prestressed plastic pipe.
Background technique
In recent years along with the development of construction industry, prestressed concrete is promoted gradually, and compared with conventional steel bar concrete, it is high that prestressed concrete has intensity, save the advantages such as material, now advanced technology is vacuum grouting post tension concrete technology.Its feature is first concreting, pre-plugged metal tube or plastic tube in concrete, after concrete reaches some strength, tractive prestressed tendon in built-in metal pipe or plastic tube again, then with ground tackle, prestressed tendon is fixed on component, finally vacuumizes at pipeline one end vacuum pump, make it produce the degree of vacuum of-0.1Mpa, with grouting pump, special cement is poured into from the pipeline the other end again, until be full of pipeline.These metal tubes or plastic tube not only need for prestressed tendon provides protective barrier, also need higher sealing to ensure the quality of vacuum grouting.
More advanced in present embedding pipe fittings is Bamboo-shaped prestressed plastic pipe, this plastic tube intensity is high, quality is better, but in constructing at the scene, this plastic tube generally adopts thermoplastic to weld, or the mode twining sealant tape is interconnected, these Placement process are loaded down with trivial details, and stability is bad, and sealing effect is poor, be easy to the phenomenon leaked air, affect degree of compaction and the plumpness of vacuum prestressed pore passage grouting.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned technology, a kind of a kind of SEALING FITTING connecting Bamboo-shaped prestressed plastic pipe of easy and simple to handle, good seal performance is provided.
The technological scheme solved the problems of the technologies described above is: a kind of SEALING FITTING connecting Bamboo-shaped prestressed plastic pipe, and described SEALING FITTING is relatively bonded with a pair semi-circular tube docking of specular by structure; Two large annular grooves that the inner ring of described each semi-circular tube all has structure same intervals to arrange, two little annular grooves and sealing gasket groove; Described two large annular grooves are separately positioned on the both sides of each semi-circular tube mid-length; Described two little annular grooves are separately positioned on the outside of two large annular grooves; A sealing gasket groove is respectively arranged with in the both sides of each large annular groove; Described two large annular grooves are wrapped in the outer rim of the first large annular muscle of Bamboo-shaped prestressed plastic tube end that SEALING FITTING two ends connect respectively respectively; Described two little annular grooves are wrapped in the outer rim of the first little annular muscle of Bamboo-shaped prestressed plastic tube end that SEALING FITTING two ends connect respectively respectively; The little straight tube position of all first with the described Bamboo-shaped prestressed plastic tube end large annular muscle both sides of described sealing gasket groove is corresponding; In described sealing gasket groove, respectively sealing gasket is housed.
Preferred version is: the mating face of described a pair semi-circular tube docking is flanged surface, and this flanged surface axially protrudes to respective outer rim the mating face formed by the mating face of a pair semi-circular tube along SEALING FITTING.
Preferred version is: on each semi-circular tube docking junction plane, be provided with the transverse sealing connecting groove being communicated with described sealing gasket groove; Described sealing gasket comprise vertical seal joint shaft to multiple semicircles longitudinal sealing pad and be parallel to the lateral connection sealing gasket that SEALING FITTING is axially positioned at multiple longitudinal sealing pad two ends; Described multiple longitudinal sealing pad is arranged in described sealing gasket groove; Described lateral connection sealing gasket is arranged in transverse sealing connecting groove.
The invention has the beneficial effects as follows:
1, the present invention adopts elastic sealing gasket tightly to press to be rolled in the large annular muscle both sides of Bamboo-shaped prestressed plastic pipe, and when vacuumizing construction, good sealing effect, contributes to degree of compaction and the plumpness of vacuum prestressed pore passage grouting.
2, the present invention adopt band sealing gasket two semi-circular tubes withhold be combined in two Bamboo-shaped prestressed plastic tube ends carry out connections seal, easy and simple to handle, reliable performance.
3, structure of the present invention is simple, and easy to process, suit large area to popularize use.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention;
Fig. 2 is the sectional view of the A-A in Fig. 1;
Fig. 3 is the plan view of the semi-circular tube display lower semicircular pipe removing top in Fig. 1;
Fig. 4 is B-B sectional view in Fig. 3;
Fig. 5 is the plan view of sealing gasket in Fig. 1;
Fig. 6 is the sectional view of C-C in Fig. 5.
" in accompanying drawing, sequence number illustrates "
1: semi-circular tube; 1a: little annular groove; 1b: large annular groove; 1c: sealing gasket groove; 1d: transverse sealing connecting groove; 1e: flanged surface; 2: sealing gasket; 2a: longitudinal sealing pad; 2b: lateral connection sealing gasket; 3: Bamboo-shaped prestressed plastic pipe; 3a: little annular muscle; 3b: large annular muscle; 3c: little straight tube; 4: SEALING FITTING.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further illustrated.
As shown in Figure 1 and Figure 2, the invention provides a kind of SEALING FITTING connecting Bamboo-shaped prestressed plastic pipe, described SEALING FITTING 4 is relatively bonded with a pair semi-circular tube 1 docking of specular the SEALING FITTING 4 that cross section is circle by structure.
Two that the inner ring of described each semi-circular tube 1 all has structure same intervals to arrange large annular groove 1b, two little annular groove 1a and sealing gasket groove 1c.
Described two large annular groove 1b are separately positioned on the both sides of each semi-circular tube 1 mid-length; Described two little annular groove 1a are separately positioned on the outside of two large annular groove 1b; A sealing gasket groove 1c is respectively arranged with in the both sides of each large annular groove 1b.
Described two large annular groove 1b are wrapped in the outer rim of the first large annular muscle 3b in Bamboo-shaped prestressed plastic pipe 3 end that SEALING FITTING 4 two ends connect respectively respectively; Described two little annular groove 1a are wrapped in the outer rim of the first little annular muscle 3a in Bamboo-shaped prestressed plastic pipe 3 end that SEALING FITTING 4 two ends connect respectively respectively; The little straight tube 3c position of all first with the described Bamboo-shaped prestressed plastic pipe 3 end large annular muscle 3b both sides of described sealing gasket groove 1c is corresponding; In described sealing gasket groove 1c, sealing gasket 2 is housed respectively.
The mating face that described a pair semi-circular tube 1 docks is flanged surface 1e, and this flanged surface 1e axially protrudes to respective outer rim the mating face formed by the mating face of a pair semi-circular tube 1 along SEALING FITTING 4.
Transverse sealing connecting groove 1d junction plane being provided with and being communicated with described sealing gasket groove 1c is docked at each semi-circular tube 1.
Described sealing gasket 2 comprises the longitudinal sealing pad 2a of multiple semicircles of vertical seal joint 4 axis and is parallel to the lateral connection sealing gasket 2b that SEALING FITTING 4 is axially positioned at multiple longitudinal sealing pad 2a two ends; Described multiple longitudinal sealing pad 2a is arranged in described sealing gasket groove 1c; Described lateral connection sealing gasket 2b is arranged in transverse sealing connecting groove 1d.
In particular, as depicted in figs. 1 and 2, semi-circular tube 1 has two, the relatively same specular of structure, the flanged surface 1c of specular two semi-circular tubes 1 presses close to engage, two semi-circular tubes 1 can adopt sealing gluing and is connected, bolt-locking connection or adhesive tape bundle and be connected to form a pipe SEALING FITTING 4.
As shown in Figure 1, Figure 3, semi-circular tube 1 inner ring is provided with two large annular groove 1b, two large annular groove 1b are used in the outer rim of the first large annular muscle 3b in two Bamboo-shaped prestressed plastic pipe 3 ends wrapping up pre-connection.
Described two little annular groove 1a wrap up in the outer rim of the first little annular muscle 3a in two Bamboo-shaped prestressed plastic pipe 3 ends of pre-connection respectively.
Sealing gasket groove 1c is had respectively at semi-circular tube 1 inner ring of each large annular groove 1b left and right sides, in sealing gasket groove 1c, semicircular sealing gasket 2 is installed, sealing gasket 2 is connected as a single entity by multiple longitudinal sealing pad 2a and two lateral connection sealing gasket 2b, is put into respectively in described sealing gasket groove 1c and transverse sealing connecting groove 1d.The degree of depth of the Thickness Ratio sealing gasket groove 1c of sealing gasket 2 is large, from the projecting inward part of sealing gasket groove 1c after installation, because sealing gasket 2 adopts rubber or other elastic material to make, when two semi-circular tubes 1 compress, on the sealing gasket 2 little straight tube 3c being wrapped in first large annular muscle 3b both sides, Bamboo-shaped prestressed plastic pipe 3 end tightly, thus play seal action.
As shown in Figure 1, in use, the Bamboo-shaped prestressed plastic pipe 3 connected is needed to align placement at SEALING FITTING 4 two ends, then the semi-circular tube 1 two being equipped with sealing gasket 2 is enclosed within Bamboo-shaped prestressed plastic pipe 3 end respectively, clamping two halves pipe 1, under the pressuring action of sealing gasket 2, be easy to realize vacuum seal and connect.
Claims (3)
1. connect a SEALING FITTING for Bamboo-shaped prestressed plastic pipe, it is characterized in that, described SEALING FITTING (4) is relatively bonded with a pair semi-circular tube (1) docking of specular by structure; Two large annular grooves (1b) that the inner ring of described each semi-circular tube (1) all has structure same intervals to arrange, two little annular grooves (1a) and sealing gasket groove (1c); Described two large annular grooves (1b) are separately positioned on the both sides of each semi-circular tube (1) mid-length; Described two little annular grooves (1a) are separately positioned on the outside of two large annular grooves (1b); A sealing gasket groove (1c) is respectively arranged with in the both sides of each large annular groove (1b); Described two large annular grooves (1b) are wrapped in the outer rim of the first large annular muscle (3b) in Bamboo-shaped prestressed plastic pipe (3) end that SEALING FITTING (4) two ends connect respectively respectively; Described two little annular grooves (1a) are wrapped in the outer rim of the first little annular muscle (3a) in Bamboo-shaped prestressed plastic pipe (3) end that SEALING FITTING (4) two ends connect respectively respectively; Little straight tube (3c) position of all first with described Bamboo-shaped prestressed plastic pipe (3) end large annular muscle (3b) both sides of described sealing gasket groove (1c) is corresponding; In described sealing gasket groove (1c), sealing gasket (2) is housed respectively.
2. according to a kind of SEALING FITTING connecting Bamboo-shaped prestressed plastic pipe described in claim 1, it is characterized in that, the mating face that described a pair semi-circular tube (1) is docked is flanged surface (1e), and this flanged surface (1e) axially protrudes to respective outer rim the mating face formed by the mating face of a pair semi-circular tube (1) along SEALING FITTING (4).
3. according to a kind of SEALING FITTING connecting Bamboo-shaped prestressed plastic pipe described in claim 1, it is characterized in that, each semi-circular tube (1) docking junction plane is provided with the transverse sealing connecting groove (1d) being communicated with described sealing gasket groove (1c); Described sealing gasket (2) comprises the longitudinal sealing pad (2a) of the axial multiple semicircles of vertical seal joint (4) and is parallel to the lateral connection sealing gasket (2b) that SEALING FITTING (4) is axially positioned at multiple longitudinal sealing pad (2a) two ends; Described multiple longitudinal sealing pad (2a) is arranged in described sealing gasket groove (1c); Described lateral connection sealing gasket (2b) is arranged in transverse sealing connecting groove (1d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387683.5A CN105020523A (en) | 2015-07-03 | 2015-07-03 | Sealing joint for connecting bamboo-joint-shaped prestressed plastic pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387683.5A CN105020523A (en) | 2015-07-03 | 2015-07-03 | Sealing joint for connecting bamboo-joint-shaped prestressed plastic pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105020523A true CN105020523A (en) | 2015-11-04 |
Family
ID=54410704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510387683.5A Pending CN105020523A (en) | 2015-07-03 | 2015-07-03 | Sealing joint for connecting bamboo-joint-shaped prestressed plastic pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020523A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652023A (en) * | 1984-02-13 | 1987-03-24 | Timmons Fred A | Repair coupler |
| JPH07167362A (en) * | 1993-12-13 | 1995-07-04 | Furukawa Electric Co Ltd:The | Pipe joint |
| CN1110774A (en) * | 1993-12-13 | 1995-10-25 | 古河电气工业株式会社 | Jointing device for a conduit |
| CN203394560U (en) * | 2013-06-17 | 2014-01-15 | 黄竹磬 | Pipeline system capable of implementing remote liquid supply of hydraulic bracket |
| CN104633325A (en) * | 2013-11-11 | 2015-05-20 | 天津振汉机械装备有限公司 | Temporary leak repairing device for pipeline |
| CN205136918U (en) * | 2015-07-03 | 2016-04-06 | 天津鑫坤泰预应力专业技术有限公司 | Sealing joint who connects bamboo -shaped prestressing force plastic tubing |
-
2015
- 2015-07-03 CN CN201510387683.5A patent/CN105020523A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652023A (en) * | 1984-02-13 | 1987-03-24 | Timmons Fred A | Repair coupler |
| JPH07167362A (en) * | 1993-12-13 | 1995-07-04 | Furukawa Electric Co Ltd:The | Pipe joint |
| CN1110774A (en) * | 1993-12-13 | 1995-10-25 | 古河电气工业株式会社 | Jointing device for a conduit |
| CN203394560U (en) * | 2013-06-17 | 2014-01-15 | 黄竹磬 | Pipeline system capable of implementing remote liquid supply of hydraulic bracket |
| CN104633325A (en) * | 2013-11-11 | 2015-05-20 | 天津振汉机械装备有限公司 | Temporary leak repairing device for pipeline |
| CN205136918U (en) * | 2015-07-03 | 2016-04-06 | 天津鑫坤泰预应力专业技术有限公司 | Sealing joint who connects bamboo -shaped prestressing force plastic tubing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151104 |
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| RJ01 | Rejection of invention patent application after publication |