CN208473878U - The longitudinally connected device in section of jurisdiction - Google Patents
The longitudinally connected device in section of jurisdiction Download PDFInfo
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- CN208473878U CN208473878U CN201821017192.7U CN201821017192U CN208473878U CN 208473878 U CN208473878 U CN 208473878U CN 201821017192 U CN201821017192 U CN 201821017192U CN 208473878 U CN208473878 U CN 208473878U
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- connecting rod
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- connector sleeve
- jurisdiction
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Abstract
A kind of longitudinally connected device in section of jurisdiction, including two built-in fittings, a connecting rod and a connector sleeve；Two built-in fittings are arranged respectively and are threadedly connected to connecting rod both ends, and connector sleeve is sheathed in the middle part of connecting rod；Built-in fitting is the tubular structure of front end opening, and inner wall is equipped with internal screw thread, and outer wall is equipped with multiple retaining screw threads and at least two anti-rotation reinforcing ribs；The both ends of connecting rod are equipped with external screw thread；Through-hole is equipped in connector sleeve, connecting rod is arranged in through-hole, and the leading portion of connector sleeve and back segment are each formed with the conical surface, and the both ends diameter for constituting connector sleeve is less than its mid diameter.Compared to existing technologies, the utility model is more reliable to the connection of longitudinal upper two section of jurisdiction, stabilization, and with high withdrawal resistance, high fracture resistence force, and assembles more convenient, can effectively improve construction efficiency.
Description
Technical field
The utility model relates to connection components, and in particular to one kind is used for being embedded in concrete pipe sheet in subway work
Connection component in longitudinally connected adjacent section of jurisdiction.
Background technique
Section of jurisdiction is the main mounting structure of shield-tunneling construction, is the innermost layer barrier in tunnel, carry resist earth pressure,
The effect of launching stress and some special loads.Section of jurisdiction is the permanent lining, secondary lining structure of shield tunnel, and section of jurisdiction quality is directly closed
It is the total quality and safety to tunnel, influences the waterproof performance and endurance quality in tunnel.
In the prior art, the longitudinally connected of section of jurisdiction has the following problems: one, the connection construction of longitudinally adjacent section of jurisdiction is difficult
Degree is high；Two, the connective stability of longitudinally adjacent section of jurisdiction is difficult to reliably be guaranteed.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the class to be researched and solved of the utility model
Topic.
Summary of the invention
The purpose of the utility model is to provide a kind of longitudinally connected devices in section of jurisdiction.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of longitudinally connected device in section of jurisdiction；Including two built-in fittings, a connecting rod and a connector sleeve；Two is described pre-buried
Part is sheathed on the both ends of the connecting rod respectively, and is threadedly coupled positioning；The connector sleeve is sheathed on the middle part of the connecting rod,
Between two built-in fittings；
Wherein, the main body of the built-in fitting is the tubular structure of front end opening back-end closure, and the inner wall of the tubular structure is opened
Equipped with internal screw thread, the outer wall of tubular structure is equipped with multiple retaining screw threads and at least two anti-rotation reinforcing ribs, wherein each retaining
Screw thread is along axial parallel interval arrangement, each circumferentially spaced arrangement of anti-rotation reinforcing rib；
The main body of the connecting rod is a rhabodoid, and the both ends of connecting rod are equipped with external screw thread, for respectively and described in two
Built-in fitting is threadedly coupled；
A through-hole is equipped in the connector sleeve, which is arranged along the longitudinal direction, and the connecting rod is arranged in the through-hole
In, and the leading portion of the connector sleeve and back segment are each formed with a conical surface, and the both ends diameter for constituting the connector sleeve is less than its middle part
Diameter.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, the effect of each retaining screw thread is that limiting built-in fitting does axial displacement relative to section of jurisdiction,
The effect of each anti-rotation anti-rotation reinforcing rib is that limit built-in fitting rotates relative to section of jurisdiction.
2. in above scheme, the diameter on the built-in fitting at the retaining screw thread of front end is greater than positioned at rear end
Diameter at the retaining screw thread, so as to form a taper, in the rear end embedment section of jurisdiction of the built-in fitting, taper makes itself and section of jurisdiction
Connection it is more solid and reliable.
3. in above scheme, each anti-rotation reinforcing rib is equiangularly spaced to be distributed on the built-in fitting, to promote anti-rotation
Effect.
4. in above scheme, the body interior of the connecting rod is axially arranged with a metal inside along it, for promoting connection
The structural strength of bar, anti-folding resistance to plucking；The material of the metal inside can be iron or stainless steel.
5. in above scheme, the both ends of the connecting rod all have a taper.
6. in above scheme, the both ends of the connecting rod include three sections, along axial direction from the middle part of connecting rod outward successively
For inner segment, middle section and outer segment, external screw thread is equipped on three sections, and inner segment diameter is greater than middle section, middle section diameter is greater than outer segment.Whereby
Stepped design can promote the breakout capacity of connecting rod, enhance the stability of connection.
7. in above scheme, the outer wall of the connector sleeve is again provided at least two anti-rotation reinforcing ribs, each anti-rotation adds
The circumferentially spaced arrangement of strengthening tendons.
8. in above scheme, the leading portion conical surface of the connector sleeve and rear end cone face respectively correspond the joint face of adjacent two section of jurisdiction
The joint face of setting, section of jurisdiction is equipped with groove；The main body of the built-in fitting is embedded in section of jurisdiction, and the front end of built-in fitting is located at described
The slot bottom of groove, the shape of groove are matched with the conical surface of connector sleeve, to guarantee that seamless connection is realized in two adjacent sections of jurisdiction.
The working principle and advantage of the utility model are as follows:
A kind of longitudinally connected device in section of jurisdiction of the utility model, including two built-in fittings, a connecting rod and a connector sleeve；Two built-in fittings
Connecting rod both ends are arranged and are threadedly connected to respectively, and connector sleeve is sheathed in the middle part of connecting rod；Built-in fitting is the tubulose of front end opening
Structure, inner wall are equipped with internal screw thread, and outer wall is equipped with multiple retaining screw threads and at least two anti-rotation reinforcing ribs；The both ends of connecting rod are equipped with
External screw thread；Through-hole is equipped in connector sleeve, connecting rod is arranged in through-hole, and the leading portion of connector sleeve and back segment are each formed with cone
Face, the both ends diameter for constituting connector sleeve are less than its mid diameter.
Compared to existing technologies, the utility model is more reliable to the connection of longitudinal upper two section of jurisdiction, stablizes, and has height
Withdrawal resistance, high fracture resistence force, and assemble more convenient, construction efficiency can be effectively improved.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model embodiment；
Attached drawing 2 is the Longitudinal cross section schematic of the utility model embodiment；
Attached drawing 3 is the elevational schematic view of the utility model embodiment；
Attached drawing 4 is the structural schematic diagram of the utility model embodiment built-in fitting；
Attached drawing 5 is the Longitudinal cross section schematic of the utility model embodiment built-in fitting；
Attached drawing 6 is the elevational schematic view of the utility model embodiment built-in fitting；
Attached drawing 7 is the structural schematic diagram of the utility model embodiment connecting rod；
Attached drawing 8 is the Longitudinal cross section schematic of the utility model embodiment connecting rod；
Attached drawing 9 is the elevational schematic view of the utility model embodiment connecting rod；
Attached drawing 10 is the structural schematic diagram of the utility model embodiment connector sleeve；
Attached drawing 11 is the Longitudinal cross section schematic of the utility model embodiment connector sleeve；
Attached drawing 12 is the elevational schematic view of the utility model embodiment connector sleeve.
In the figures above: 1. built-in fittings；The first built-in fitting of 1a.；The second built-in fitting of 1b.；2. connecting rod；3. connector sleeve；4.
It is open；5. internal screw thread；6. retaining screw thread；7. anti-rotation reinforcing rib；8. external screw thread；9. metal inside；10. inner segment；11. middle section；12.
Outer segment；13. through-hole；14. the conical surface；15. anti-rotation reinforcing rib.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment: referring to shown in attached drawing 1 ~ 3, a kind of longitudinally connected device in section of jurisdiction, including two built-in fittings, 1, connecting rod 2
An and connector sleeve 3；Two built-in fittings 1 are sheathed on the both ends of the connecting rod 2 respectively, and are threadedly coupled positioning；It is described
Connector sleeve 3 is sheathed on the middle part of the connecting rod 2, between two built-in fittings 1.
Wherein, as shown in Fig. 4 ~ 6, the main body of the built-in fitting 1 is the tubular structure of open 4 back-end closures in front end, the pipe
The inner wall of shape structure offers internal screw thread 5, and the outer wall of tubular structure is equipped with multiple retaining screw threads 6 and at least two anti-rotation reinforcing ribs
7, wherein each retaining screw thread 6 is arranged along axial parallel interval, does axial displacement relative to section of jurisdiction for limiting built-in fitting 1；
Each anti-rotation reinforcing rib 7 circumferentially equiangularly spaced arrangement, rotates for limiting built-in fitting 1 relative to section of jurisdiction.
As shown in Fig. 2, the diameter on the built-in fitting 1 at the retaining screw thread 6 of front end is greater than positioned at rear end
Diameter at the retaining screw thread 6, so as to form a taper, in the rear end embedment section of jurisdiction of the built-in fitting 1, taper makes itself and pipe
The connection of piece is more solid and reliable.
Wherein, as shown in Fig. 7 ~ 9, the main body of the connecting rod 2 is a rhabodoid, and the both ends of connecting rod 2 are equipped with outer spiral shell
Line 8, for being threadedly coupled respectively with two built-in fittings 1；The body interior of the connecting rod 2 is axially arranged in a metal along it
Core 9, for promoting the structural strength of connecting rod 2, anti-folding resistance to plucking；The material of the metal inside 9 can be iron or stainless steel or
Other alloys.
The both ends of the connecting rod 2 include three sections, along axial direction from the middle part of connecting rod 2 be followed successively by outward inner segment 10, in
Section 11 and outer segment 12 is equipped with external screw thread 8 on three sections, and 10 diameter of inner segment is greater than middle section 11, and 11 diameter of middle section is greater than outer segment 12.
It is corresponding, it is also designed on the inner wall of the built-in fitting 1 for three-stage, whereby stepped design, connecting rod 2 can be promoted
Breakout capacity enhances the stability of connection.
Wherein, as shown in Figure 10 ~ 12, the connector sleeve 3 is equipped with a through-hole 13, which (connects along the longitudinal direction
The axial direction of bar 2) setting, the connecting rod 2 is arranged in the through-hole 13, and the leading portion of the connector sleeve 3 and the equal shape of back segment
The Cheng Youyi conical surface 14, the both ends diameter for constituting the connector sleeve 3 are less than its mid diameter.
The leading portion conical surface 14 and rear end cone face 14 of the connector sleeve 3 respectively correspond the joint face setting of adjacent two section of jurisdiction (not
Attached drawing shows), the joint face of section of jurisdiction is equipped with groove；The main body of the built-in fitting 1 is embedded in section of jurisdiction, the front end position of built-in fitting 1
In the slot bottom of the groove, the shape of groove is matched with the conical surface 14 of connector sleeve 3, to guarantee that seamless company is realized in two adjacent sections of jurisdiction
It connects.
Wherein, the outer wall of the connector sleeve 3 is again provided at least two anti-rotation reinforcing ribs 15, each anti-rotation reinforcing rib 15
Circumferentially spaced arrangement.
Now the working principle of the utility model is described as follows:
First two built-in fittings 1 are embedded in respectively in two sections of jurisdiction, then the connecting rod 2 and the first built-in fitting 1a screw thread are connected
It connects, then by 3 sets of the connector sleeve in the connecting rod 2, and the leading portion of connector sleeve 3 is positioned at and 1a pairs of the first built-in fitting
It is finally that the second built-in fitting 1b and its corresponding section of jurisdiction is hard towards previous section of jurisdiction by jack in the groove for the section of jurisdiction answered
Second built-in fitting 1b is pressed and is connected through a screw thread with connecting rod 2 by pressure, and the back segment of connector sleeve 3 is positioned at second in advance at this time
In the groove of the corresponding section of jurisdiction embedded part 1b, the connection of two sections of jurisdiction is so far realized.
Compared to existing technologies, the utility model is more reliable to the connection of longitudinal upper two section of jurisdiction, stablizes, and has height
Withdrawal resistance, high fracture resistence force, and assemble more convenient, construction efficiency can be effectively improved.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (7)
1. a kind of longitudinally connected device in section of jurisdiction, it is characterised in that:
Including two built-in fittings, a connecting rod and a connector sleeve；Two built-in fittings are sheathed on the connecting rod respectively
Both ends, and be threadedly coupled positioning；The connector sleeve is sheathed on the middle part of the connecting rod, between two built-in fittings；
Wherein, the main body of the built-in fitting is the tubular structure of front end opening back-end closure, and the inner wall of the tubular structure offers
The outer wall of internal screw thread, tubular structure is equipped with multiple retaining screw threads and at least two anti-rotation reinforcing ribs, wherein each retaining screw thread
Along axial parallel interval arrangement, each circumferentially spaced arrangement of anti-rotation reinforcing rib；
The main body of the connecting rod is a rhabodoid, and the both ends of connecting rod are equipped with external screw thread, for described pre-buried with two respectively
Part is threadedly coupled；
A through-hole is equipped in the connector sleeve, which is arranged along the longitudinal direction, and the connecting rod is arranged in the through-hole, and
And the leading portion and back segment of the connector sleeve are each formed with a conical surface, the both ends diameter for constituting the connector sleeve is less than its mid diameter.
2. the longitudinally connected device in section of jurisdiction according to claim 1, it is characterised in that: positioned at the described of front end on the built-in fitting
Diameter at retaining screw thread is greater than the diameter at the retaining screw thread of rear end.
3. the longitudinally connected device in section of jurisdiction according to claim 1, it is characterised in that: each anti-rotation reinforcing rib is equiangularly spaced
It is distributed on the built-in fitting.
4. the longitudinally connected device in section of jurisdiction according to claim 1, it is characterised in that: the body interior of the connecting rod is along its axis
To equipped with a metal inside.
5. the longitudinally connected device in section of jurisdiction according to claim 1, it is characterised in that: the both ends of the connecting rod all have a cone
Degree.
6. the longitudinally connected device in section of jurisdiction according to claim 1, it is characterised in that: the both ends of the connecting rod include three
Section, is followed successively by inner segment, middle section and outer segment from the middle part of connecting rod along axial direction outward, external screw thread is equipped on three sections, and inner segment is straight
Diameter is greater than middle section, and middle section diameter is greater than outer segment.
7. the longitudinally connected device in section of jurisdiction according to claim 1, it is characterised in that: the outer wall of the connector sleeve be again provided with to
Few two anti-rotation reinforcing ribs, each circumferentially spaced arrangement of anti-rotation reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017192.7U CN208473878U (en) | 2018-06-29 | 2018-06-29 | The longitudinally connected device in section of jurisdiction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017192.7U CN208473878U (en) | 2018-06-29 | 2018-06-29 | The longitudinally connected device in section of jurisdiction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473878U true CN208473878U (en) | 2019-02-05 |
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ID=65212068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017192.7U Active CN208473878U (en) | 2018-06-29 | 2018-06-29 | The longitudinally connected device in section of jurisdiction |
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| Country | Link |
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| CN (1) | CN208473878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608050A (en) * | 2019-09-26 | 2019-12-24 | 江苏大成轨道科技有限公司 | Axial self-locking connecting assembly for shield tunnel segment |
| CN110863839A (en) * | 2019-12-18 | 2020-03-06 | 倪筠 | Novel duct piece longitudinal connector |
-
2018
- 2018-06-29 CN CN201821017192.7U patent/CN208473878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608050A (en) * | 2019-09-26 | 2019-12-24 | 江苏大成轨道科技有限公司 | Axial self-locking connecting assembly for shield tunnel segment |
| CN110863839A (en) * | 2019-12-18 | 2020-03-06 | 倪筠 | Novel duct piece longitudinal connector |
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