CN208563768U - A kind of grout sleeve - Google Patents
A kind of grout sleeve Download PDFInfo
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- CN208563768U CN208563768U CN201821057879.3U CN201821057879U CN208563768U CN 208563768 U CN208563768 U CN 208563768U CN 201821057879 U CN201821057879 U CN 201821057879U CN 208563768 U CN208563768 U CN 208563768U
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- spring
- sleeve
- grout
- grout sleeve
- sleeve body
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Abstract
The utility model relates to a kind of grout sleeves, are suitable for reinforcing bar and connect.The grout sleeve includes sleeve body and spring, sleeve body up and down, forms prefabricated port in one end, the other end forms grouting port along its length, a stock inlet and a grout outlet are offered on the outer wall of sleeve body, offer annular groove on the inner wall of prefabricated port;Spring is arranged in sleeve body, and one end of spring is fixed in annular groove, the other end direction grouting port of spring.The utility model proposes a kind of grout sleeve terminal with compact integral structure, guarantee reinforcing bar centering when construction, avoid biasing, and are conducive to improve construction efficiency.
Description
Technical field
The utility model relates to construction engineering technical fields, more particularly to one kind is for reinforcing bar between precast concrete
The grout sleeve of connection.
Background technique
Prefabricated assembled concrete structure has speed of application as a kind of structure type for meeting industrialized production
Fastly, labor intensity is low, noise pollution and wet construction is few and the advantages such as product quality is easy to control, has obtained answering extensively in developed country
With.Use prefabrication and assembly construction construction techniques can with effectively save resource and the energy, improve material realize building energy conservation and
Utilization rate in terms of structural behaviour overcomes the limitation of construction site and environmental condition to site operation pair, reduces site operation labor
Amount of power reduces the adverse effect of building waste and Construction on Environment, improves building function and structural behaviour.Promote prefabricated dress
It is advantageously implemented the Green Development requirement of " four sections, one environmental protection " with formula concrete structure, realizes the construction of low energy consumption, low emission
Journey can promote the sound development of Building Trade in China, realize scheduled target for energy-saving and emission-reduction, be the development side of China's future architecture
To.
It is well known that the core and difficult point of prefabricated assembled concrete structure are the connectivity problems of reinforcing bar.Common reinforcing bar
Type of attachment have mechanical connection, welded connecting, overlap joint connection etc., but all deposit need to be poured at connecting node upon connection after pour it is mixed
The problem of soil is coagulated, cement grout sleeve connection can be with pre-plugged in concrete member, by the stretching of another component when construction
Reinforcing bar is inserted into the corresponding sleeve of this component, and ungauged regions high strength cement mortar is then poured into connection sleeve, fill up sleeve with
Gap between reinforcing bar, after cement mortar hardening, two reinforcing bars are just securely joined together, to reach two end bars of connection
Purpose, without pouring rear pouring concrete at connecting node, the joint efficiency of node is higher.
Domestic reinforcing bar connection common at present still has following defect with full grout sleeve in terms of reinforcing bar positioning:
Existing machining grout sleeve mainly uses tapping and punching on sleeve outer wall to screw on bolt to play the side of reinforcing bar positioning
Formula cannot play reinforcing bar positioning action in fact and only play limit, because the be inserted into reinforcing bar of such mode is easily swung in sleeve
Position is unfettered, be easy to cause reinforcing bar in sleeve position cannot in but be biased in sleeve on one side, to reinforced bar sleeve connect
It connects joint structure performance stress and generates bigger influence.
Utility model content
In view of the above problems in the prior art, the utility model proposes a kind of grout sleeve, terminal with compact integral structure guarantees
Reinforcing bar centering when construction avoids biasing, and is conducive to improve construction efficiency.
Specifically, the utility model proposes a kind of grout sleeves, are suitable for reinforcing bar and connect, and the grout sleeve includes set
Cylinder ontology and spring, the sleeve body up and down, form prefabricated port in one end, the other end is formed along its length
Grouting port, offers a stock inlet and a grout outlet, in the prefabricated port on the outer wall of the sleeve body
Annular groove is offered on inner wall;
The spring is arranged in the sleeve body, and one end of the spring is fixed in the annular groove, the spring
The other end towards the grouting port.
One embodiment according to the present utility model, the central axes of the sleeve body are overlapped with the axis of the spring.
One embodiment according to the present utility model, the spring includes bottom and the top that is connected with bottom, described
Bottom is tapered, and the top is tapered, any one of oval, cylindrical, dolioform, olive shape.
One embodiment according to the present utility model, the length of the spring in a free state are greater than 8 times of reinforcing bars
Diameter length.
The tensile elongation of one embodiment according to the present utility model, the spring is not more than 10mm.
One embodiment according to the present utility model, the line footpath of the spring are 1.0mm~8.0mm.
The pitch of one embodiment according to the present utility model, the spring is not more than 3.5mm~20mm.
One embodiment according to the present utility model, the material of the spring are carbon spring steel or alloy spring steel.
One embodiment according to the present utility model is formed on the inner wall of the sleeve body and a plurality of inwardly to protrude out
Cyclic rib forms shearing slot between the adjacent cyclic rib, and the aperture of the prefabricated port is inwardly gradually reduced.
One embodiment according to the present utility model, the grout sleeve further include fixed with the prefabricated port cooperation
Rubber plug, the center of the rubber plug offer mounting hole and penetrate the sleeve body for the reinforcing bar.
The utility model provides a kind of grout sleeve, and terminal with compact integral structure is arranged spring in prefabricated port side, can protect
Card insertion reinforcement location is accurate, does not bias, and improves construction efficiency, promotes reliability and safety, it is ensured that construction quality.
It should be appreciated that general description and the following detailed description more than the utility model is all exemplary and illustrative
, and it is intended that the utility model as claimed in claim provides further explanation.
Detailed description of the invention
It is to provide and being further understood to the utility model including attached drawing, they are included and constitute one of the application
Point, attached drawing shows the embodiments of the present invention, and plays the role of explaining the utility model principle together with this specification.
In attached drawing:
Fig. 1 shows the structural schematic diagram of the grout sleeve of the utility model one embodiment.
Fig. 2 shows the structural schematic diagrams of the sleeve body of the grout sleeve of the utility model one embodiment.
Fig. 3 shows the structural schematic diagram of the spring of the grout sleeve of the utility model one embodiment.
Fig. 4 shows the structural schematic diagram of the rubber plug of the grout sleeve of the utility model one embodiment.
Fig. 5 is the cross-sectional view of Fig. 4.
Fig. 6 shows the usage state diagram of the grout sleeve of the utility model one embodiment.
Wherein, the above drawings include the following reference numerals:
100 sleeve body 101 of grout sleeve
The prefabricated port 103 of spring 102
Be in the milk 104 stock inlet 105 of port
106 annular groove 107 of grout outlet
108 top 109 of bottom
Cyclic rib 110 shears slot 112
The wedge-shaped groove 114 of cyclic annular groove 113
115 mounting hole 116 of rubber plug
117 antiseepage groove 118 of bulge loop
119 chock plug 120 of cock cap
121 end 122 of base portion
Reinforcing bar 123,124 cement mortar 125
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also be intended to include plural form, additionally, it should be understood that, when in the present specification use term "comprising" and: or " packet
Include " when, indicate existing characteristics, step, operation, device, component and: or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope;The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned (rotation turn 90 degrees or in other orientation) with other different modes, and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.In addition, although term used in this application is selected from public term,
It is some terms mentioned in present specification may be that applicant by his or her judgement comes selection, detailed meanings
Illustrate in the relevant portion of description herein.Furthermore, it is desirable that not only by used actual terms, and be also to pass through
Meaning that each term is contained understands the application.
Fig. 1 shows the structural schematic diagram of the grout sleeve of the utility model one embodiment.It is practical new that Fig. 2 shows this
The structural schematic diagram of the sleeve body of the grout sleeve of type one embodiment.Fig. 3 shows the utility model one embodiment
The structural schematic diagram of the spring of grout sleeve.As shown, a kind of grout sleeve 100 includes sleeve body 101 and spring 102.
The sleeve body 101 up and down, forms prefabricated port 103 in one end, the other end forms grouting port along its length
104.The stock inlet 105 and a pulp being connected to inside sleeve body 101 are offered on the outer wall of sleeve body 101
Mouth 106.Annular groove 107 is offered on the inner wall of prefabricated 103 side of port.
Further, spring 102 is arranged in sleeve body 101.One end of spring 102 is fixed on prefabricated port 103 1
In annular groove 107 on the inner wall of side, the other end of spring 102 extends substantially to entire sleeve body towards grouting port 104
101 middle position.It is suitable for the reinforcing bar with insertion from the inside center channel that spring 102 is formed, Specific construction process will
It is described in detail later.
Preferably, the central axes of sleeve body 101 are overlapped with the axis of spring 102, to guarantee the accurate positionin of reinforcing bar.
Preferably, spring 102 includes bottom 108 and the top 109 being connected with bottom 108.With reference to Fig. 3, spring 102
In the taper gradually narrowed upwards, the top of spring 102 can continue upward taper for bottom.Or the top of spring 102 can
To be any one of oval, cylindrical, dolioform, olive shape, as long as the reinforcing bar that can be passed through is accurately positioned.
Preferably, the length of spring 102 in a free state is greater than the diameter length of 8 times of reinforcing bars.
Preferably, the tensile elongation of spring 102 is not more than 10mm.
Preferably, the line footpath of spring 102 is 1.0mm~8.0mm.
Preferably, the pitch of spring 102 is not more than 3.5mm~20mm.
Preferably, the material of spring 102 is carbon spring steel or alloy spring steel.
Fig. 2 is returned back to, a plurality of cyclic rib 110 inwardly protruded out is formed on the inner wall of grout sleeve 100, in adjacent ring
Multiple shearing slots 112 are formed between shape rib 110.The aperture of the prefabricated port 103 of grout sleeve 100 is inwardly gradually reduced, so as to
Rubber chock plug can smoothly fill in prefabricated port 103 along the inner wall of prefabricated port 103 when construction, improve construction efficiency.
Preferably, the inner wall of prefabricated port 103 groove 113 annular in shape, enables rubber chock plug along the ring of prefabricated port 103
The inclined-plane of shape groove 113 smoothly slides into, and installation is facilitated to cooperate.More preferably, the inner wall of prefabricated port 103 and sleeve body 101
The link position of inner wall is formed with rounded corner.
Preferably, the groove width of multiple shearing slots 112 is identical.It is provided in this way and is conducive to production and processing, improve production efficiency, and
Conducive to splice uniform force in grout sleeve 100, the security reliability and durability of the connection of grout sleeve 100 can be promoted.
Preferably, the section of cyclic rib 110 is wedge shaped.The wedge-shaped groove 114 of cyclic rib 110 towards prefabricated port 103 or
Grouting port 104.As shown, multiple cyclic ribs 110 close to prefabricated port 103 wedge-shaped groove 114 towards prefabricated end
Mouthful 103 sides, multiple cyclic ribs 110 close to grouting port 104 wedge-shaped groove 114 towards grouting port 104.Work as reinforcing bar
During tension, multiple shearing slots 112 that multiple tracks cyclic rib 110 is constituted on the inner wall of sleeve body 101 are to grout sleeve 100
Interior slurry plays restrictive to ensure that the vertical connection key node connection reliability between concrete prefabricated element, safety
And durability.
Fig. 4 shows the structural schematic diagram of the rubber plug of the grout sleeve of the utility model one embodiment.Fig. 5 is Fig. 4
Cross-sectional view.As shown, fixed rubber plug 115 can be cooperated with the prefabricated port 103 of sleeve body 101, open up in its center
There is mounting hole 116 to penetrate for reinforcing bar.
Preferably, the bulge loop 117 that multiple tracks is inwardly stretched out is equipped on the inner wall of the mounting hole 116 of rubber plug 115, adjacent convex
Antiseepage groove 118 is formed between ring 117.With reference to Fig. 4, in the present embodiment, three are provided in the mounting hole 116 of rubber plug 115
Road antiseepage groove 118, to prevent outer pulp water from penetrating into along mounting hole 116 inside of sleeve body 101.
Preferably, rubber plug 115 includes cock cap 119 and the chock plug 120 connecting with cock cap 119.Chock plug 120 is adapted to extend into prefabricated
Port 103 and with prefabricated 103 close-fitting of port.More preferably, chock plug 120 include close to cock cap 119 base portion 121 and with base portion 121
The end 122 of connection, the outer diameter of base portion 121 are greater than the outer diameter of end 122.In one embodiment, the height of base portion 121 and end
The ratio between 122 height are 2:1~4:1, preferably 3:1.This kind of structure of rubber plug 115 can easily cooperate with prefabricated port 103,
The end 122 of rubber plug 115 can slide into along the cyclic annular groove 113 in prefabricated port 103, base portion 121 can in sleeve body 101
Wall close-fitting.Rubber plug 115 is made of elastic material, after base portion 121 protrudes into prefabricated 103 forced expansion of port with sleeve body 101
Inner wall bonding area increase, make 103 close-fitting of rubber plug 115 and prefabricated port, the two is connected firmly, and is not susceptible to position between each other
It moves.
Preferably, the aperture of the stock inlet 105 in sleeve body 101 is greater than the aperture of grout outlet 106.Be conducive to grouting set
The grouting construction operation of cylinder 100 can improve the grouting passability of stock inlet 105, ensure that 100 inner cavity slip casting of grout sleeve is full
Degree, improves slurry compactness.
Fig. 6 shows the usage state diagram of the grout sleeve of the utility model one embodiment.Below with reference to Fig. 6, and tie
All attached drawings are closed to introduce the groundwork process of grout sleeve 100.The stretching reinforcing bar 123 of one component is inserted into when construction another
In the corresponding grout sleeve 100 of component, high-strength after stretching out reinforcing bar 123 and being docked with the reinforcing bar 124 in former grout sleeve 100
It spends cement mortar 125 and entire grout sleeve 100 is poured by stock inlet 105.When cement mortar 125 is overflowed by grout outlet 106,
Illustrate that cement mortar 125 has filled up the gap in entire sleeve body 101 between reinforcing bar 123,124.Until cement mortar
After 125 hardening, two reinforcing bars 123,124 are just securely joined together, thus achieve the purpose that connect two end bars 124,124,
Casting concrete is not necessarily at connecting node, joint efficiency is higher.In this work progress, when reinforcing bar 124 is inserted by prefabricated port 103
When entering in sleeve body 101, the central passage of spring 102 is penetrated, under the action of spring 102, enables the substantially position of reinforcing bar 123
Enter in the axial location of sleeve body 101, to promote the locating accuracy of reinforcing bar 123.Meanwhile spring 102 and reinforcing bar
123 form the skeleton in sleeve body 101, play the role of constraining cement mortar 125 in sleeve body 101, improve cement bonded sand
The brittleness that slurry 125 destroys;And can guarantee 100 overall stiffness of grout sleeve, improve its bearing capacity and anti-seismic performance.Guarantee construction work
The durability of journey most critical connecting node and safety.
Those skilled in the art can be obvious, can the above exemplary embodiments of the utility model be carry out various modifications and be become
Spirit and scope of the type without departing from the utility model.Accordingly, it is intended to which the utility model covering is made to fall in the appended claims
And its modifications and variations to the utility model within the scope of equivalent arrangements.
Claims (10)
1. a kind of grout sleeve, it is suitable for reinforcing bar and connects, it is characterised in that: the grout sleeve includes sleeve body and spring,
The sleeve body up and down, forms prefabricated port in one end, the other end forms grouting port, in institute along its length
It states and offers a stock inlet and a grout outlet on the outer wall of sleeve body, offer ring on the inner wall of the prefabricated port
Slot;
The spring is arranged in the sleeve body, and one end of the spring is fixed in the annular groove, the spring it is another
One end is towards the grouting port.
2. grout sleeve as described in claim 1, which is characterized in that the axis of the central axes of the sleeve body and the spring
Line is overlapped.
3. grout sleeve as described in claim 1, which is characterized in that the spring includes bottom and is connected with bottom upper
Portion, the bottom is tapered, and the top is tapered, any one of oval, cylindrical, dolioform, olive shape.
4. grout sleeve as described in claim 1, which is characterized in that the length of the spring in a free state is greater than 8 times
The diameter length of the reinforcing bar.
5. grout sleeve as described in claim 1, which is characterized in that the tensile elongation of the spring is not more than 10mm.
6. grout sleeve as described in claim 1, which is characterized in that the line footpath of the spring is 1.0mm~8.0mm.
7. grout sleeve as described in claim 1, which is characterized in that the pitch of the spring is not more than 3.5mm~20mm.
8. grout sleeve as described in claim 1, which is characterized in that the material of the spring is carbon spring steel or alloy bullet
Spring steel.
9. grout sleeve as described in claim 1, which is characterized in that be formed on the inner wall of the sleeve body it is a plurality of to
The cyclic rib inside protruded out forms shearing slot between the adjacent cyclic rib, and the aperture of the prefabricated port is inwardly gradually reduced.
10. grout sleeve as claimed in claim 9, which is characterized in that the grout sleeve further includes and the prefabricated port
Cooperate fixed rubber plug, the center of the rubber plug offers mounting hole and penetrates the sleeve body for the reinforcing bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821057879.3U CN208563768U (en) | 2018-07-04 | 2018-07-04 | A kind of grout sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821057879.3U CN208563768U (en) | 2018-07-04 | 2018-07-04 | A kind of grout sleeve |
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Publication Number | Publication Date |
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CN208563768U true CN208563768U (en) | 2019-03-01 |
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CN201821057879.3U Active CN208563768U (en) | 2018-07-04 | 2018-07-04 | A kind of grout sleeve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113137010A (en) * | 2021-04-30 | 2021-07-20 | 北京住总第三开发建设有限公司 | Assembly type structural steel bar positioner and positioning method thereof |
-
2018
- 2018-07-04 CN CN201821057879.3U patent/CN208563768U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113137010A (en) * | 2021-04-30 | 2021-07-20 | 北京住总第三开发建设有限公司 | Assembly type structural steel bar positioner and positioning method thereof |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20221026 Address after: 314304 No. 2257, Haiwan Avenue, Xitangqiao Street (Haiyan Economic Development Zone), Haiyan County, Jiaxing City, Zhejiang Province Patentee after: SHANGHAI URBAN CONSTRUCTION CONSTRUCTION INDUSTRY GROUP NEW BUILDING MATERIALS JIAXING Co.,Ltd. Address before: 201602 No. 3770, sichen Road, Songjiang District, Shanghai Patentee before: SHANGHAI CITI-RAISE CONSTRUCTION GROUP ADVANCED BUILDING MATERIALS Co.,Ltd. |