CN209114497U - A kind of novel embedded part shear key - Google Patents
A kind of novel embedded part shear key Download PDFInfo
- Publication number
- CN209114497U CN209114497U CN201821670046.4U CN201821670046U CN209114497U CN 209114497 U CN209114497 U CN 209114497U CN 201821670046 U CN201821670046 U CN 201821670046U CN 209114497 U CN209114497 U CN 209114497U
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- China
- Prior art keywords
- shear key
- anchor slab
- slab
- dowel
- preformed hole
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Abstract
The utility model discloses a kind of novel embedded part shear keies, the four corners of anchor slab are provided with the first preformed hole, pass through being threadedly engaged for the first nut and dowel, four dowels are each passed through four the first preformed holes and are anchored on anchor slab, the second preformed hole is provided at the first preformed hole on two ipsilateral first preformed hole lines, it is equipped with bolt respectively in four the second preformed holes, bolt is connected by the second nut with shear key, shear key is L-type shear key, threaded hole is provided on the short slab of L-type shear key, the short slab of L-type shear key fits in the inner surface of anchor slab, the second preformed hole of screw bolt passes and threaded hole and by being threadedly engaged with the second nut, it is anchored on shear key on anchor slab, the long slab of L-type shear key is fixed on the inside of four dowels perpendicular to anchor slab.The utility model structure is simply detachably connected with the anchor slab of built-in fitting, can protect dowel junction, can greatly improve the shear resistance of anchor slab dowel built-in fitting.
Description
Technical field
The utility model relates to building structure technology fields, and in particular to a kind of novel embedded part shear key.
Background technique
The shear resistance of dowel is poor in existing built-in fitting, and anchor slab top when curved scissors load is excessive can tilt, shear key
Fail to protect upper layer dowel well, and common shear key is welded on anchor slab, can not easy removal, serious forgiveness compared with
It is low.It is very important component and fitting in concealed work in view of built-in fitting, the installation for being conducive to field engineering Equipment Foundations is fixed,
Therefore, it is very necessary for improving shearing resistance bond structure on built-in fitting.
Utility model content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of structure letter
It is single, compact and flexible, can be improved built-in fitting shear resistance, protection dowel junction, detachable and stable performance novel embedded part
Shear key.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken are as follows: a kind of novel embedded part shear key, anchor
The four corners of plate are provided with the first preformed hole, and the first preformed hole line constitutes the first box, passes through the first nut and dowel upper end
The mating reaction of screw thread, four dowels are each passed through four the first preformed holes and are anchored on anchor slab, two ipsilateral first preformed holes
The second preformed hole is provided on line at the first preformed hole, four the second preformed hole lines constitute the second box, second party
Frame is identical as the first box width and is set in the first box, is equipped with bolt in four the second preformed holes respectively, and bolt is logical
It crosses the second nut to be connected with shear key, shear key is L-type shear key, is provided with threaded hole, screw thread on the short slab of L-type shear key
Hole is corresponding with the second preformed hole, and the short slab of L-type shear key fits in the inner surface of anchor slab, the second preformed hole of screw bolt passes
With threaded hole and by being threadedly engaged with the second nut, it is anchored on shear key on anchor slab, and then the long slab of L-type shear key hangs down
Directly it is fixed on the inside of four dowels in anchor slab.
To optimize above-mentioned technical proposal, the concrete measure taken further include: the dowel be with externally threaded reinforcing bar,
The external screw thread of the dowel matches with the internal screw thread of the first nut, and the dowel passes through the first preformed hole, and the first nut passes through
The dowel a bit of with anchor slab upper surface is pierced by is threadedly engaged, and is perpendicularly fixed at dowel on anchor slab.
The anchor slab is rectangle anchor slab, and first box is corresponding rectangular boxes, and described second is pre-
In two the first preformed holes boxed out and be respectively arranged on two long parallel edges of rectangular boxes, and be set in every long side
Side.
The major plate face of the shear key is parallel to vertical and with anchor slab long sideline with the plate face of anchor slab.
The shear key is made by Steel material, and the screw thread bore dia of the shear key is greater than the diameter of bolt, thus
Bolt can pass through threaded hole.
The utility model has the following beneficial effects: a kind of novel embedded part shear key provided by the utility model passes through spiral shell
The anchor slab of the cooperation of screw bolt and nut, shear key and built-in fitting is detachably connected, compact and flexible, applicability is wide；Shear key is big simultaneously
Small adjustable, serious forgiveness is high in；Shear key is uniformly distributed on the inside of dowel, and L-type plate face considerably increases built-in fitting and mixes
Longitudinal contact area of soil is coagulated, anchor slab top in curved scissors is can avoid and tilts, and the bolt that shear key is fixed can also share anchor
The stress of muscle improves the shear resistance of dowel to protect upper layer dowel well；Remove shear key, anchor slab dowel built-in fitting
Can normal use, product flexibility is high；Shearing resistance bond structure is simple, parts machining is convenient, Steel material production, at low cost, practical
Property is stronger, can be in large-scale application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the K of Fig. 1 to structural schematic diagram；
Fig. 3 is the shear key of Fig. 1 and is bolted schematic diagram.
Appended drawing reference therein are as follows: anchor slab 1, the first nut 2, dowel 3, bolt 4, the second nut 5, shear key 6.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
As shown in Figure 1-3, a kind of novel embedded part shear key, the four corners of anchor slab 1 are provided with the first preformed hole, and first is pre-
Line of boxing out constitutes the first box, and by the mating reaction of the first nut 2 and 3 threaded upper ends of dowel, four dowels 3 are each passed through
Four the first preformed holes are anchored on anchor slab 1, are provided with the on two ipsilateral first preformed hole lines at the first preformed hole
Two preformed holes, four the second preformed hole lines constitute the second boxes, and the second box is identical as the first box width and is set to the
In one box, bolt 4 is equipped in four the second preformed holes respectively, bolt 4 is connected by the second nut 5 with shear key 6, is resisted
Cutting key 6 is L-type shear key, is provided with threaded hole on the short slab of L-type shear key, and threaded hole is corresponding with the second preformed hole, and L-type is anti-
The short slab for cutting key fits in the inner surface of anchor slab 1, bolt 4 sequentially pass through the second preformed hole and threaded hole and by with the second nut
5 be threadedly engaged, is anchored on shear key 6 on anchor slab 1, and then the long slab of L-type shear key is fixed on four perpendicular to anchor slab 1
3 inside of dowel.
In embodiment, dowel 3 is with externally threaded reinforcing bar, the internal screw thread kissing of the external screw thread of dowel 3 and the first nut 2
It closes, dowel 3 passes through the first preformed hole, and the first nut 2 is threadedly engaged by the dowel 3 a bit of with 1 upper surface of anchor slab is pierced by, is made
Dowel 3 is perpendicularly fixed on anchor slab 1.
In embodiment, anchor slab 1 is rectangle anchor slab, and the first box is corresponding rectangular boxes, the second preformed hole difference
On the inside of two the first preformed holes for being set on two long parallel edges of rectangular boxes, and being set in every long side.
In embodiment, the major plate face of shear key 6 is parallel to vertical and with anchor slab 1 long sideline with the plate face of anchor slab 1.
In embodiment, shear key 6 is made by Steel material, and the screw thread bore dia of shear key 6 is greater than the diameter of bolt 4, thus
Bolt 4 can pass through threaded hole.
Working principle of the utility model is: anchor slab 1 is fixed on the mould template that will be poured, it is reserved to adjust first
Then four dowels 3 are each passed through four the first preformed holes by the position in hole, connected by the first nut 2 with 3 threaded upper ends of dowel
Connect, dowel 3 be fixed on anchor slab 1, adjustment shear key 6 long slab be parallel to the horizontal plane, the threaded hole on 6 short slab of shear key with
The second reserved hole site on anchor slab 1 is corresponding, and then bolt 4 sequentially passes through the second preformed hole and screw thread from the outer surface of anchor slab 1
Hole, the second nut 5 fit closely the short slab of shear key 6 and the inner plate surface of anchor slab 1, resist by cooperating with 4 end thread of bolt
The long slab for cutting key 6 is vertical with the inner surface of anchor slab 1 and be parallel to the horizontal plane, so that shear key 6 is anchored on anchor slab 1, to first
Nut 2 and dowel 3 and the second nut 5 check after tightening that casting concrete completes the installation of this built-in fitting with bolt 4.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, it is noted that for those skilled in the art, technology belonging to the idea of the present invention
Scheme is regarded as the protection scope of the utility model.
Claims (5)
1. a kind of novel embedded part shear key, which is characterized in that the four corners of anchor slab (1) are provided with the first preformed hole, and described
One preformed hole line constitutes the first box, passes through the mating reaction of the first nut (2) and dowel (3) threaded upper ends, four dowels
(3) four the first preformed holes are each passed through to be anchored on anchor slab (1), it is reserved close to first on two ipsilateral first preformed hole lines
The second preformed hole is provided at hole, four the second preformed hole lines constitute the second box, second box and first party frame width
It spends identical and is set in the first box, be equipped with respectively in four the second preformed holes bolt (4), the bolt (4) passes through the
Two nuts (5) are connected with shear key (6), and the shear key (6) is L-type shear key, are arranged on the short slab of the L-type shear key
There is threaded hole, the threaded hole is corresponding with the second preformed hole, and the short slab of L-type shear key fits in the inner surface of anchor slab (1), spiral shell
Bolt (4) sequentially passes through second preformed hole and threaded hole and by being threadedly engaged with the second nut (5), makes shear key (6)
It is anchored on anchor slab (1), and then the long slab of the L-type shear key is fixed on the inside of four dowels (3) perpendicular to anchor slab (1).
2. a kind of novel embedded part shear key according to claim 1, it is characterised in that: the dowel (3) be with
The external screw thread of externally threaded reinforcing bar, the dowel (3) matches with the internal screw thread of the first nut (2), and the dowel (3) passes through the
One preformed hole, the first nut (2) are threadedly engaged by the dowel (3) a bit of with anchor slab (1) upper surface is pierced by, and make dowel (3)
It is perpendicularly fixed on anchor slab (1).
3. a kind of novel embedded part shear key according to claim 1, it is characterised in that: the anchor slab (1) is rectangular
Shape anchor slab, first box are corresponding rectangular boxes, and second preformed hole is respectively arranged at rectangular boxes
Two long parallel edges on, and on the inside of two the first preformed holes being set in every long side.
4. a kind of novel embedded part shear key according to claim 1 or 3, it is characterised in that: the shear key (6)
Major plate face and the plate face of anchor slab (1) are to vertical and parallel with the long sideline of anchor slab (1).
5. a kind of novel embedded part shear key according to claim 4, it is characterised in that: the shear key (6) is by steel
Material production, the screw thread bore dia of the shear key (6) is greater than the diameter of bolt (4), so that bolt (4) can pass through spiral shell
Pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670046.4U CN209114497U (en) | 2018-10-16 | 2018-10-16 | A kind of novel embedded part shear key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670046.4U CN209114497U (en) | 2018-10-16 | 2018-10-16 | A kind of novel embedded part shear key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209114497U true CN209114497U (en) | 2019-07-16 |
Family
ID=67201052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821670046.4U Active CN209114497U (en) | 2018-10-16 | 2018-10-16 | A kind of novel embedded part shear key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209114497U (en) |
-
2018
- 2018-10-16 CN CN201821670046.4U patent/CN209114497U/en active Active
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