CN208763007U - Concrete component jointing - Google Patents
Concrete component jointing Download PDFInfo
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- CN208763007U CN208763007U CN201821045918.8U CN201821045918U CN208763007U CN 208763007 U CN208763007 U CN 208763007U CN 201821045918 U CN201821045918 U CN 201821045918U CN 208763007 U CN208763007 U CN 208763007U
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- sleeve
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- plug
- intermediate nut
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Abstract
The utility model discloses a kind of concrete component jointings, including the first connection sleeve, plug connector and holding firmware, the holding firmware is set in the first connection sleeve, the plug connector can be inserted into the first connection sleeve and be fixed in the first connection sleeve by holding firmware, the first connection sleeve includes sleeve body, one end of the sleeve body is the first connecting pin connecting with reinforcing bar, the other end is the second connection end for cooperating with plug connector, and the outside of the second connection end is equipped with flange.The outside of the utility model connection sleeve is provided with flange, form second level stress step surface, increase the axial carrying area of connection sleeve, solve the problems, such as that an end check that prestressed pile generates when putting and concrete fall off, it is provided with guiding rib in intermediate nut, can prevent plug connector from causing the case where being not connected firmly by even connection failure with sleeve difference axis is connect due to plug connector during grafting.
Description
Technical field
The utility model relates to a kind of building trade technical fields, and in particular to a kind of concrete component jointing.
Background technique
Precast concrete pile has been widely applied to building trade, is generally required using precast concrete pile by more root canals
Stake links together, and has now and is used to dock concrete-pile in concrete-pile both ends solid mechanical connector, but existing
Mechanical splice has the following problems, when concrete-pile is prestressed pile, the presstressed reinforcing steel in concrete-pile is in shaping dies steel
Muscle puts Zhang Shihui and generates biggish tensile stress to the connection sleeve in mechanical splice, when the axial carrying area of connection sleeve is insufficient
When, it be easy to cause an end face concrete generation crack or even concrete to fall off.
Utility model content
The it is proposed of the utility model in view of the above problems, and a kind of concrete component jointing of researching and designing, have
Not only increase connection sleeve with the contact area of stake end face to reduce the extruding force for connecting sleeve Yu stake end face, but also do not reduce set
The thickness of concrete between cylinder and stake end side surface.The technological means that the utility model uses is as follows:
A kind of concrete component jointing, including the first connection sleeve, plug connector and holding firmware, the holding firmware setting
In in the first connection sleeve, the plug connector can be inserted into the first connection sleeve and be fixed by holding firmware in the first connector sleeve
In cylinder, the first connection sleeve includes sleeve body, and one end of the sleeve body is the first connecting pin connecting with reinforcing bar,
The other end is the second connection end for cooperating with plug connector, and the outside of the second connection end is equipped with flange；
Further, it is connected between the flange and the lateral wall of sleeve body by inclined surface；
Further, it is equipped with step surface at the inside edge of the second connection end, makes shape at the inner wall of second connection end
Ladder counter bore structure；
Further, the inside of first connecting pin is equipped with radially inwardly projecting chuck, and the chuck is equipped with court
To the card access surface of the round tapered of second connection end side, the angle of the bus and sleeve body central axis of the card access surface is
55°-65°；
Further, the inner wall of the second connection end is equipped with screw thread, and the outside of the sleeve body is prismatic；
Further, the plug connector is inserted link, and the inserted link includes fixing seat and plug arranged on the fixing seat, institute
Plug is stated equipped with circumferentially distributed inner fovea part, the holding firmware includes intermediate nut, seperated snap ring and elastic component, the centre
Nut is threadedly secured in the first connection sleeve, and one end of the intermediate nut towards the first connecting pin is equipped with round tapered
Snap-latch surface, the inside of the other end of the intermediate nut is equipped with the guiding conical surface, and the elastic component is set to intermediate nut and the
Between one connecting pin, the fission snap ring is set between elastic component and intermediate nut, and the fission snap ring includes three or more
The latch circumferentially spliced, the plug can pass through intermediate nut and seperated snap ring, and sprung back by elastic component and push away seperated snap ring
To between inner fovea part and snap-latch surface, realizing connecting and fixing for plug；
Further, the seperated snap ring is equipped with the first stationary plane of the round tapered cooperated with the snap-latch surface, institute
State the second stationary plane being additionally provided on seperated snap ring with the round tapered of inner fovea part cooperation；
Further, the snap-latch surface of the intermediate nut is equipped with the guiding rib with latch cooperating number, the guiding rib
For the tendon shape bulge-structure on snap-latch surface, latch channel is formed between the guiding rib, the latch is located in latch channel simultaneously
It can be slided in latch channel；
Further, the end face of the end face of the guiding rib and intermediate nut, the side and centre of the guiding rib
The inner wall of nut flushes；
Further, the fixing seat is fixed in the second connection sleeve, the structure and first of the second connection sleeve
It is identical to connect sleeve, is round tapered structure at the inner fovea part of the plug, passes through connecting rod between the plug and fixing seat
It is connected, the diameter of the connecting rod is matched with the internal diameter of intermediate nut, and the side wall of the connecting rod is equipped with clamping plane.
Compared with the prior art, a kind of concrete component jointing described in the utility model have the advantage that 1,
The outside of connection sleeve is provided with flange, forms second level stress step surface, increases the axial carrying area of connection sleeve, solves
The problem of end check and concrete fall off when prestressed pile is put；2, it is provided with inclined surface, makes to connect sleeve and stake end face
With better stress performance, while flange and sleeve body junction stress also being avoided to concentrate, concrete can also be made abundant
With the appearance face contact that connect sleeve, eliminate concrete and connect the gap between sleeve；3, step surface, Ke Yi are provided with
Axially position is carried out when plug connector grafting to it, realizes seamless connection；4, be outside sleeve body it is prismatic, increase and coagulation
Power is wrapped up in embracing for soil；5, it is provided with guiding rib in intermediate nut, can prevents plug connector during grafting due to plug connector and company
Female connector cylinder is not coaxial and causes the case where being not connected firmly by even connection failure；6, the connecting rod and intermediate nut of plug connector is interior
Diameter cooperation further obviates grafting and causes to be not connected firmly by or even connect with sleeve difference axis is connect due to plug connector in the process
The problem of connecing unsuccessfully.
Detailed description of the invention
Fig. 1 is the structure chart of concrete component jointing disclosed by the utility model；
Fig. 2 is the main view for connecting sleeve；
Fig. 3 A is cross-sectional view at A-A in Fig. 2；
Fig. 3 B is the left view of Fig. 2；
Fig. 4 A is the structure chart of plug connector；
Fig. 4 B is the right view of Fig. 4 A；
Fig. 5 A is the main view of seperated snap ring；
Fig. 5 B is the cross-sectional view of seperated snap ring；
Fig. 6 A is the main view of intermediate nut；
Fig. 6 B is cross-sectional view at B-B in Fig. 6 A；
Fig. 6 C is cross-sectional view at C-C in Fig. 6 A；
Fig. 6 D is the rearview of Fig. 6 A；
Fig. 7 is plug connector and structural schematic diagram when connecting sleeve difference axis in the prior art；
Fig. 8 is schematic diagram when plug connector is further inserted into Fig. 7.
Specific embodiment
As shown in Figure 1, a kind of concrete component jointing, including the first connection sleeve 1, plug connector 2 and holding firmware, institute
It states holding firmware to be set in the first connection sleeve 1, the plug connector 2 can be inserted into the first connection sleeve 1 and pass through holding firmware
It fixes in the first connection sleeve 1, as shown in Fig. 2, Fig. 3 A and Fig. 3 B, the first connection sleeve 1 includes sleeve body 101,
One end of the sleeve body 101 is the first connecting pin 102 connecting with reinforcing bar 5, and the other end with plug connector for cooperating
The outside of second connection end 103, the second connection end 103 is equipped with flange 104.Sleeve is connected under the action of deformed bar
Axial force is generated to concrete-pile end face, increases connection sleeve and stake end since the outside of second connection end is equipped with flange
The contact area in face, therefore the degree of being squeezed that can reduce an end face makes it be not likely to produce crackle or damage, while connector sleeve
The ontology diameter of cylinder does not change, therefore the concrete thickness connected between sleeve and stake end side wall does not also change, and ensure that
The intensity of stake end.
Further, it is connected between the flange 104 and the lateral wall of sleeve body 101 by inclined surface 105, it is described to incline
Angle between 101 lateral wall of inclined-plane 104 and sleeve body is generally 90 °~150 °.In the lateral wall of flange and sleeve body
Between inclined surface is set, the contact area between connection sleeve and concrete-pile can be further increased, while can be to avoid convex
Edge and the stress of sleeve body junction are concentrated, it is also possible that concrete is adequately contacted with connection sleeve outer surface, also
Be can to avoid being easy to make there are small space concrete cannot be introduced into when flange and sleeve body are vertical plane transition and
Gap is formed so that the problem of contact strength reduces.
Preferably, the angle between the inclined surface and sleeve body lateral wall is 105 °~135 °, further, described
Angle between inclined surface and sleeve body lateral wall is 120 °.When the angle between inclined surface and sleeve body lateral wall is
At 120 °, the stress connected between sleeve and concrete-pile end face is more scientific, can reduce concrete-pile end face is caused it is larger
Extruding force.
Further, it is equipped with step surface at the inside edge of the second connection end 103, makes the interior of second connection end 103
Shape ladder counter bore structure at wall can also be in the second connection end 103 convenient for carrying out axially position to inserted link and intermediate nut
Inside edge at be arranged tapered surface, make to form horn-like structure at the inner wall of second connection end 103, can play guiding make
With convenient for being oriented to when installing plug or cutting ferrule into connection sleeve.
Further, the inside of first connecting pin 102 is equipped with radially inwardly projecting chuck 107, the chuck 107
It is equipped with the card access surface 108 towards the round tapered of 103 side of second connection end, the bus and sleeve sheet of the card access surface 108
The angle of 101 central axis of body is 55 ° -65 °, that is to say, that card access surface 108 is about the angle α of two buses substantially symmetrical about its central axis
110 ° -130 °, preferably 120 °.The inside of first connecting pin is equipped with chuck, and chuck is equipped with card access surface, can be convenient by PC steel
The pier nose of stick is cooperatively connected with the first connecting pin for connecting sleeve.The bus of the card access surface and the angle of sleeve body central axis
It is 60 °, the angular compliance degree highest of the pier nose of card access surface and PC rod iron makes pier nose while guaranteeing chuck self-strength at this time
Stress is more scientific, and pier nose part is avoided to be deformed under the action of pulling force.
Further, the inner wall of the second connection end 103 is equipped with screw thread 109, can be in order to plug or cutting ferrule and its
It is threadedly coupled.Further, the outside of the sleeve body is prismatic, and the outside of the sleeve body is positive eight ribs
Column, positive ten prism or positive 12 prism, as shown in Figure 3B, the outside of sleeve body is positive 12 prisms in the present embodiment, set
The outside of cylinder ontology is prismatic structures, enhances embracing between sleeve and concrete and wraps up in power, increases bonding strength.
Further, the thickness of the flange is less than the 1/4 of sleeve body length, preferably the 1/10 of sleeve body length
~1/5, most preferably the 1/8 of sleeve body length.All edges can carry out chamfered according to machining demand.
As shown in Figure 4 A and 4 B shown in FIG., the plug connector 2 is inserted link, and the inserted link includes fixing seat 201 and is arranged in fixation
Plug 202 on seat 201, the plug 202 are equipped with circumferentially distributed inner fovea part 203.The holding firmware includes intermediate nut
30, seperated snap ring 31 and elastic component 32, the intermediate nut 30 are threadedly secured in the first connection sleeve 1, the centre
Nut 30 towards the first connecting pin one end be equipped with round tapered snap-latch surface 301, the other end of the intermediate nut 30 it is interior
Side is equipped with the guiding conical surface 302, and the elastic component 32 is set between intermediate nut 30 and the first connecting pin 102, the seperated card
Ring 31 is set between elastic component 32 and intermediate nut 30.As fig. 5 a and fig. 5b, the seperated snap ring 31 include three with
The upper latch 311 circumferentially spliced, the plug can pass through intermediate nut and seperated snap ring, and be blocked fission by elastic component rebound
Ring is pushed between inner fovea part and snap-latch surface, realizes connecting and fixing for plug.
Further, the seperated snap ring 31 is equipped with the first of the round tapered cooperated with the snap-latch surface 301 and fixes
Face 312, it is described fission snap ring 31 on be additionally provided with the inner fovea part 203 cooperation round tapered the second stationary plane 313.Work as bullet
Property part when pushing seperated snap ring rebound, seperated snap ring makes since the effect of the first stationary plane and card access surface is collapsed to central axis
Card interdental space reduces, while the inner fovea part gradually clamping of the second stationary plane and plug of seperated snap ring so that plug connector with
Connection sleeve is fastenedly connected.
Further, as shown in Fig. 6 A, Fig. 6 B, Fig. 6 C and Fig. 6 D, the snap-latch surface 301 of the intermediate nut 30 be equipped with
The guiding rib 303 of latch cooperating number, the guiding rib 303 are the tendon shape bulge-structure on snap-latch surface 301, the guiding rib
Latch channel 304 is formed between 303, the latch 311 is located in latch channel 304 and can slide in latch channel.
Plug connector with during connecting sleeve grafting it sometimes appear that plug connector with connect sleeve difference axis (offset)
Situation, as shown in fig. 7, wherein x-x indicates that the axis of plug connector, y-y indicate the axis of connection sleeve.Intermediate nut in Fig. 7
There is no guiding rib structure, therefore when plug connector is with sleeve difference axis is connect, inserts plug connector to connection sleeve when applying external force
In termination process, close to plug connector axis side latch elder generation and Plug contact, and far from plug connector axis side latch after with
Plug contact, as shown in fig. 7, the latch elder generation on top and Plug contact and compression elastic piece under the action of plug, lower part
With Plug contact after latch, therefore the latch deflection of two sides is caused, when plug is further inserted into, as shown in figure 8, due to inserting
Head upside is smaller with the inner wall spacing for connecting sleeve, therefore the latch of upside further compression elastic piece under the promotion of plug
And inner fovea part can cannot be introduced by plug ends limitation always, and it is larger with the inner wall spacing for connecting sleeve on the downside of plug, because
Latch on the downside of this enters inner fovea part under the promotion of elastic component, when go out external force when, the work of latch and connector in elastic component
With lower rebound, since the latch of downside has entered recessed portion, and the latch of upside does not enter recessed portion, therefore will cause connection not
Firm or even connection failure.
And in the present embodiment, there is guiding rib 303 as shown in Figure 6B, in intermediate nut, it is preferable that the guiding rib
The end face of end face and intermediate nut, the side of the guiding rib are flushed with the inner wall of intermediate nut.Guiding rib 303 is set
It sets, axial movable passageway is provided for latch, guiding role is played simultaneously to latch, guiding rib equally plays guiding to plug
Effect before causing grafting failure, is in time corrected the direction of plug, avoids inserting in not coaxial grafting and oblique cutting
When the axis of fitting and connection sleeve is not coaxial, part latch enters inner fovea part in advance leads to connection failure.
Further, the fixing seat 201 is fixed in the second connection sleeve 4, it is described second connection sleeve structure with
First connection sleeve is identical, is round tapered structure at the inner fovea part of the plug 202, the plug 202 and fixing seat 201 it
Between by connecting rod 204 be connected, the diameter of the connecting rod 204 is matched with the internal diameter of intermediate nut 30, that is, connecting rod
The internal diameter being slightly less than at chuck, it is preferable that the difference of internal diameter is less than 1mm at connecting rod and chuck, can further decrease in this way
The not coaxial degree of inserted link and connection sleeve when insertion.Further, the side of the connecting rod 304 is equipped with clamping plane 305,
It is provided with clamping plane, can be convenient when by plug connector and end plate connection, it is installed using clamping devices such as spanners.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (10)
1. a kind of concrete component jointing, including the first connection sleeve, plug connector and holding firmware, the holding firmware are set to
In first connection sleeve, the plug connector, which can be inserted into the first connection sleeve and be fixed by holding firmware, connects sleeve first
Interior, the first connection sleeve includes sleeve body, and one end of the sleeve body is the first connecting pin connecting with reinforcing bar, separately
One end is the second connection end for cooperating with plug connector, it is characterised in that: the outside of the second connection end is equipped with flange.
2. concrete component jointing according to claim 1, it is characterised in that: the flange and sleeve body it is outer
It is connected between side wall by inclined surface.
3. concrete component jointing according to claim 1, it is characterised in that: the inner side edge of the second connection end
It is equipped with step surface at edge, makes shape ladder counter bore structure at the inner wall of second connection end.
4. concrete component jointing according to claim 1, it is characterised in that: set on the inside of first connecting pin
There is radially inwardly projecting chuck, the chuck is equipped with the card access surface towards the round tapered of second connection end side, described
The bus of card access surface and the angle of sleeve body central axis are 55 ° -65 °.
5. concrete component jointing according to claim 1, it is characterised in that: on the inner wall of the second connection end
Equipped with screw thread, the outside of the sleeve body is prismatic.
6. concrete component jointing as claimed in any of claims 1 to 5, it is characterised in that: the grafting
Part is inserted link, and the inserted link includes fixing seat and plug arranged on the fixing seat, and the plug is equipped with circumferentially distributed interior
Recess portion, the holding firmware include that intermediate nut, seperated snap ring and elastic component, the intermediate nut are threadedly secured to the first company
In female connector cylinder, the intermediate nut is equipped with the snap-latch surface of round tapered towards one end of the first connecting pin, the intermediate nut
The inside of the other end is equipped with the guiding conical surface, and the elastic component is set between intermediate nut and the first connecting pin, the seperated card
Ring is set between elastic component and intermediate nut, and the fission snap ring includes three or more the latches circumferentially spliced, the plug
Intermediate nut and seperated snap ring can be passed through, and is sprung back by elastic component and seperated snap ring is pushed between inner fovea part and snap-latch surface, it is real
Existing plug connects and fixes.
7. concrete component jointing according to claim 6, it is characterised in that: the fission snap ring is equipped with and institute
The first stationary plane of the round tapered of snap-latch surface cooperation is stated, the rotary table with inner fovea part cooperation is additionally provided on the fission snap ring
Second stationary plane of taper.
8. concrete component jointing according to claim 6, it is characterised in that: on the snap-latch surface of the intermediate nut
Equipped with the guiding rib with latch cooperating number, the guiding rib is the tendon shape bulge-structure on snap-latch surface, between the guiding rib
Latch channel is formed, the latch is located in latch channel and can slide in latch channel.
9. concrete component jointing according to claim 8, it is characterised in that: the end face and centre of the guiding rib
The end face of nut, the side of the guiding rib are flushed with the inner wall of intermediate nut.
10. concrete component jointing according to claim 6, it is characterised in that: the fixing seat is fixed on second
It connects in sleeve, it is rotary table at the inner fovea part of the plug that the structure of the second connection sleeve is identical as the first connection sleeve
Pyramidal structure is connected between the plug and fixing seat by connecting rod, the diameter of the connecting rod and the internal diameter of intermediate nut
It matches, the side wall of the connecting rod is equipped with clamping plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045918.8U CN208763007U (en) | 2018-06-29 | 2018-06-29 | Concrete component jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045918.8U CN208763007U (en) | 2018-06-29 | 2018-06-29 | Concrete component jointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763007U true CN208763007U (en) | 2019-04-19 |
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ID=66128118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821045918.8U Active CN208763007U (en) | 2018-06-29 | 2018-06-29 | Concrete component jointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359450A (en) * | 2019-07-29 | 2019-10-22 | 中铁二院工程集团有限责任公司 | Assembled circle pilework and construction method |
-
2018
- 2018-06-29 CN CN201821045918.8U patent/CN208763007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359450A (en) * | 2019-07-29 | 2019-10-22 | 中铁二院工程集团有限责任公司 | Assembled circle pilework and construction method |
| CN110359450B (en) * | 2019-07-29 | 2024-03-08 | 中铁二院工程集团有限责任公司 | Assembled round pile structure and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200729 Address after: No.1 Xiangnan East Road, Nansha Industrial Park, Jingang town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Tianhai steel bar (Zhangjiagang) Co., Ltd Address before: 434000 Jingzhou city of Hubei province Shashi Town Village two groups Cen Chen No. 370 Patentee before: Yuan Xuefeng |
|
| TR01 | Transfer of patent right |