CN215106086U - Connecting piece and precast concrete component - Google Patents
Connecting piece and precast concrete component Download PDFInfo
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- CN215106086U CN215106086U CN202120988227.7U CN202120988227U CN215106086U CN 215106086 U CN215106086 U CN 215106086U CN 202120988227 U CN202120988227 U CN 202120988227U CN 215106086 U CN215106086 U CN 215106086U
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- umbrella rib
- tooth
- teeth
- plug
- end plate
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Abstract
The utility model discloses a connecting piece and a precast concrete component, wherein the connecting piece comprises a first end plate, a second end plate, an inserted bar, an umbrella rib cylinder and a tooth ring; the first end plate is provided with an inserted link fixing hole; the second end plate is provided with a plug connecting hole, and the inserted bar is fixed on the first end plate; the umbrella rib barrel comprises an umbrella rib barrel body and elastic umbrella rib teeth uniformly distributed at one end of the umbrella rib barrel body, and the outer side walls of the elastic umbrella rib teeth are provided with outer clamping teeth; a tooth ring is arranged in the plug connecting hole, and a tooth groove is formed in the inner side wall of the tooth ring; the plug can insert in the plug connecting hole, and the outer latch is connected with the tooth socket in a clamping manner. The pre-connecting piece has the advantages of being capable of being quickly connected, simple in connecting structure, good in connecting strength, integrity and stability, high in tensile bearing capacity and the like.
Description
Technical Field
The utility model belongs to the technical field of the precast concrete technique of connecting and specifically relates to a connecting piece and precast concrete component.
Background
In the building construction process, the connection between the pre-building components is indispensable, the butt joint of the traditional building components is usually realized by welding end steel plates, but because the limitation of the welding process is that only one circle of the periphery of the end plate is welded, the other 95% of the area of the end plate is not treated, the connection of the building components is not uniform and not sufficient, and the anti-pulling and anti-bending performance of the building components is not high. In addition, the traditional welding process has the problems of poor corrosion resistance and incapability of realizing tight connection of components due to the exposure of the rigid end plate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connecting piece to above problem.
The utility model discloses a technical means as follows:
a connecting piece comprises a first end plate, a second end plate, an inserted bar, an umbrella rib cylinder and a tooth ring;
the first end plate is provided with an inserted link fixing hole;
the second end plate is provided with a plug connecting hole;
the inserted link comprises a base and a plug arranged on the base, and the base is fixedly connected with the inserted link fixing hole;
the umbrella rib cylinder comprises a sleeve-shaped umbrella rib cylinder body and a plurality of elastic umbrella rib teeth uniformly distributed at one end of the umbrella rib cylinder body, the other ends of the elastic umbrella rib teeth are free ends, the elastic umbrella rib teeth are outwards opened from one end of the umbrella rib cylinder body to the free ends along the radial direction of the umbrella rib cylinder body, and the outer side wall of the free ends of the elastic umbrella rib teeth is provided with at least one layer of outer clamping teeth; the umbrella rib cylinder is sleeved on the plug and is fixedly connected with the plug through the umbrella rib cylinder body, and the free ends of the elastic umbrella rib teeth face one end of the base;
the tooth ring is arranged in the plug connecting hole, and at least one layer of tooth grooves is formed in the inner side wall of the tooth ring;
the plug can insert in the plug connecting hole, just outer latch with tooth alveolus block is connected.
Further, outer latch has the multilayer, outer latch includes the outer latch of first outer latch and second, is close to an outer latch of umbrella bone section of thick bamboo body is first outer latch, the tooth height of first outer latch is greater than adjacent two the tooth interval of the outer latch of second.
Further, the outer latch comprises a first clamping surface, and when the elastic umbrella rib teeth are in an open state, an included angle between the first clamping surface and the axis of the umbrella rib cylinder body is 30-80 degrees.
Further, the tooth socket comprises a second clamping surface, and an included angle between the second clamping surface and the axis of the tooth ring is 30-80 degrees.
Furthermore, the included angle between the first clamping surface and the axis of the umbrella rib tube body is consistent with the included angle between the second clamping surface and the axis of the tooth ring.
Furthermore, the outer wall surface of the elastic umbrella rib teeth is of an arc-shaped structure from one end of the umbrella rib cylinder body to the free end.
Furthermore, the inserted bar and the umbrella rib cylinder are of an integrated structure.
Furthermore, a first external thread is arranged on the plug, a first internal thread is arranged in the umbrella rib cylinder body, and the umbrella rib cylinder body is fixedly connected with the plug through the first external thread and the first internal thread.
Furthermore, the outer side wall of one end, far away from the elastic umbrella rib teeth, of the umbrella rib cylinder body is also provided with a guide surface.
The utility model provides a precast concrete unit, includes the precast concrete unit body, still includes the utility model discloses a connecting piece, first end plate and second end plate are fixed respectively the both ends of precast concrete unit body.
Compared with the prior art, the utility model discloses a have the connecting piece and have following beneficial effect: the utility model discloses a connecting piece, owing to have first end plate, second end plate, inserted bar, a rib section of thick bamboo and tooth ring structure, the elasticity umbrella bone tooth of a rib section of thick bamboo can with tooth ring block, can be in order to realize building element's high-speed joint, have simple structure, and joint strength, wholeness and stability are good, and the tensile bearing capacity is high.
Drawings
Fig. 1 is a structural view of an end plate connection portion of a precast concrete pile having a tooth connection member disclosed in the utility model;
fig. 2a is a front view of a rib cage;
FIG. 2b is a right side view of FIG. 2 a;
FIG. 2c is a left side view of FIG. 2 a;
FIG. 2d is a cross-sectional view taken along line A-A of FIG. 2 c;
FIG. 3 is a block diagram of the insert rod;
FIG. 4 is a block diagram of the tooth ring;
FIG. 5 is a block diagram of the first end plate;
FIG. 6 is a structural view of the second end plate;
FIG. 7 is a connecting structure diagram of two precast concrete piles;
FIG. 8 is a block diagram of a second embodiment of the umbrella rib cage;
FIG. 9 is a block diagram of a second embodiment of a dental ring;
FIG. 10 is a schematic view of a beam-column connection having a connector according to the present disclosure;
fig. 11 is a wall panel connection structure diagram with the connector of the present invention.
In the figure: 1. the umbrella rib comprises a inserted bar, 10, a base, 11, a plug, 12, a first external thread, 2, an umbrella rib cylinder, 20, an umbrella rib cylinder body, 21, elastic umbrella rib teeth, 22, external teeth, 220, a first external latch, 221, a second external latch, 23, a first clamping surface, 24, a cutting groove, 25, a guide surface, 26, a first internal thread, 3, a tooth ring, 30, a tooth socket, 300, a first tooth socket, 301, a second tooth socket, 31, a second clamping surface, 4, a first end plate, 40, a first main rib fixing hole, 41, a first tensioning threaded hole, 5, a second end plate, 50, a second main rib fixing hole, 51, a second tensioning threaded hole, 6, a precast concrete pile body, 70, a beam column, 71 and a wallboard.
Detailed Description
Referring to fig. 1 and 7, the connecting member of the present invention is shown, and in this embodiment, the connecting member is described by taking a precast concrete unit having the connecting member of the present invention as an example, the precast concrete pile includes a precast concrete pile body 6 and a first end plate 4 and a second end plate 5 disposed at both ends of the precast concrete pile body 6, as shown in fig. 5 and 6, a first main bar fixing hole 40 and a first tension screw hole 41 are disposed on the first end plate 4, a second main bar fixing hole 50 and a second tension screw hole 51 are disposed on the second end plate 5, in this embodiment, the first tension screw hole is an insert bar fixing hole, the second tension screw hole is a plug insertion hole, the main bar fixing hole and the tension screw hole are communicated with each other to form a gourd-shaped structure, both ends of a main bar of a reinforcement cage of the precast concrete pile body are fixedly connected with the main bar fixing holes respectively, the main reinforcement can select PC rod iron, screw-thread steel or steel strand wires as required, and correspondingly, the main reinforcement fixing hole can adopt pier clamping platform, threaded hole or tapered hole, and can be selected as required, the utility model discloses a precast concrete pile with tooth connecting piece still includes, inserted bar 1, rib section of thick bamboo 2 and tooth ring 3;
as shown in fig. 3, the insert rod 1 includes a base 10 and a plug 11 disposed on the base 10, the base 10 is fixedly connected with the first tensioning threaded hole 41, specifically, an external thread is disposed on the base 10 for being in threaded connection with the first tensioning threaded hole;
as shown in fig. 2a, 2b, 2c and 2d, the rib tube 2 includes a sleeve-shaped rib tube body 20 and a plurality of elastic rib teeth 21 uniformly distributed at one end of the rib tube body 20, the other end of each elastic rib tooth 21 is a free end, a cutting groove 24 is formed between two adjacent elastic rib teeth, so that the elastic rib teeth 21 are expanded outward from one end of the rib tube body 20 to the free end along the radial direction of the rib tube body, and at least one layer of outer snap tooth 22 is arranged on the outer side wall of the free end of each elastic rib tooth 21; the umbrella rib cylinder 2 is sleeved on the plug 11 and is fixedly connected with the plug 11 through the umbrella rib cylinder body 20, and the free end of the elastic umbrella rib teeth 21 faces one end of the base 10;
as shown in fig. 1 and 4, the tooth ring 3 is arranged in the second tensioned threaded hole 51, specifically, an external thread is arranged on an outer side wall of the tooth ring 3 for connecting with the second tensioned threaded hole, and at least one layer of tooth sockets 30 is arranged on an inner side wall of the tooth ring 3;
when two adjacent precast concrete piles are plugged, the plug 11 can be inserted into the second tensioning threaded hole 51, and in the tooth ring 3, the elastic umbrella bone tooth is flicked to make the outer latch 22 and the tooth socket 30 are clamped and connected, and then the connection of the adjacent precast concrete piles is realized. The utility model discloses a precast concrete pile has simple structure, and joint strength and tensile resistance to plucking advantage such as between the concrete pile are high. Meanwhile, as the outer side walls of the elastic umbrella rib teeth can be provided with a plurality of layers of outer teeth, when the connecting member is under the action of tension, the pressure on the umbrella rib cylinder can be uniformly dispersed to the teeth of each ring layer, so that the problem of stress concentration is avoided, and the service life of the connecting piece is ensured.
Further, as shown in fig. 2d and 4, the outer latch includes a first engaging surface 23, when the elastic umbrella rib teeth are in an open state, an included angle a between the first engaging surface 23 and an axis (B-B) of the umbrella rib tube body is 30 to 80 °, the tooth socket includes a second engaging surface 31, and an included angle B between the second engaging surface 31 and an axis (C-C) of the tooth ring is 30 to 80 °. Namely, the first clamping surface and the second clamping surface are both inclined surfaces. Preferably, the included angle between the first clamping surface and the axis of the umbrella rib tube body is consistent with the included angle between the second clamping surface and the axis of the tooth ring. The first clamping face and the second clamping face are inclined faces, so that the area of occlusion and lap joint between the two parts is further increased greatly, when the member is pulled, the problem of stress concentration can be avoided, the connection strength is improved, and the service life of the connecting piece is ensured. Further, when the precast concrete pile receives the effect of drawing, produce between gear shaping pole and the tooth ring promptly and draw the effort, at this moment, produce the effort between first clamping face and the second clamping face, because the axis slope of the relative umbrella rib section of thick bamboo body of first clamping face, consequently, the direction of elasticity umbrella rib tooth can be followed to the effort, what elasticity umbrella rib tooth received is non-eccentric force, consequently can not take place to warp, has guaranteed the intensity of an umbrella rib section of thick bamboo.
Furthermore, the outer wall surface of the elastic umbrella rib teeth is of an arc-shaped structure from one end of the umbrella rib cylinder body to the free end. As shown in fig. 2a and 2D, the outer wall surface of the elastic rib teeth 21 is of an arc structure from one end of the rib cylinder body 20 to the free end, that is, the elastic rib teeth are of a smooth arc structure (D-D is a cut-off central line of the rib cylinder in the figure, and D-D is approximately an arc line), in the present invention, the elastic rib teeth are of an arc structure to further avoid stress concentration, further, the elastic rib teeth are of an arc shape and the first clamping surface is an inclined surface, so that when the joint is pulled out, the reaction force direction of the second clamping surface of the tooth ring is transmitted along the arc elastic rib teeth (F1 in the figure represents a stress), the design ingeniously converts the eccentric compression of the elastic rib teeth in the original vertical direction into a compression axis along the arc direction of the elastic rib teeth and the normal line of the first clamping surface, thereby avoiding the eccentric stress condition of the elastic rib teeth, the structure is more firm, and the resistance to plucking of joint is also higher.
In the utility model, the inserted bar 1 and the umbrella rib cylinder 2 can be welded into a whole structure, and can also be cast or processed into a whole structure by other methods. Preferably, an inserted bar and an umbrella rib cylinder are of a split structure and then are assembled into a whole, in this embodiment, a first external thread 12 is arranged on the plug 11, a first internal thread 26 is arranged in the umbrella rib cylinder body 20, the umbrella rib cylinder body 20 and the plug 11 are fixedly connected through the first external thread 12 and the first internal thread 26, the inserted bar and the umbrella rib cylinder are of a split structure, processing of each part is facilitated, meanwhile, the umbrella rib cylinder and the inserted bar can be installed in advance in a manufacturer, construction time does not need to be occupied, efficiency in a construction stage is improved, and time cost is saved.
Further, the utility model discloses a precast concrete pile, inserted bar can insert second stretch-draw screw hole completely, consequently after concrete pile pegs graft, can realize closely laminating between first end plate and the second end plate, has not only guaranteed inserted bar male precision, forms an airtight space moreover, and the inserted bar can be sealed completely in this confined space, has isolated air and water and surrounding complex environment, has played and has connected anticorrosive efficiency.
Further, the umbrella rib cylinder body 20 is far away from and is equipped with still be equipped with the spigot surface 25 on the one end lateral wall of elasticity umbrella rib tooth 21, the spigot surface can play the guide effect at the in-process that the inserted bar inserted the tooth ring, makes things convenient for the quick insertion of inserted bar to in the tooth ring to realize the high-speed joint of precast concrete pile.
Further, as shown in fig. 8 and 9, the outer latch 22 has multiple layers, the outer latch 22 includes a first outer latch 220 and a second outer latch 221, and is close to one layer of outer latch of the umbrella bone tube body is the first outer latch 220, the tooth height H of the first outer latch 220 is greater than two adjacent tooth spacing H (distance of tooth socket in tooth socket ring) of the second outer latch 221, correspondingly, the tooth socket 30 of tooth socket ring includes a first tooth socket 300 and a second tooth socket 301, and in the figure, the number of the second outer teeth is 3. Because the tooth height H of the first outer latch 220 is greater than the tooth pitch H (distance between tooth grooves in the tooth ring) of two adjacent second outer latches 221, when the rib tube is inserted into the tooth ring, the elastic rib teeth are squeezed to contract and tend to spring outward, but because the height of the first outer latch is greater than the tooth pitch H of the second outer latch 221, when the first outer teeth are not inserted to reach the position of the first tooth grooves of the tooth ring, the elastic rib teeth cannot spring outward, and this design prevents the rib tube from springing open the outer teeth engaging tooth grooves when the outer teeth pass through the small tooth grooves (second tooth grooves) of one tooth ring each time in the process of being inserted, the elastic rib teeth will spring open the outer teeth engaging tooth grooves, then the elastic rib teeth are squeezed again to contract with the continued insertion of the rib tube, and then will spring open when the outer teeth pass through the next tooth groove, and this process is repeated for the strength of the elastic rib teeth, The design scheme of the invention can avoid all the defects, and the elastic umbrella rib teeth can be outwards flicked only when the first external teeth are inserted to reach the position of the first tooth socket in the tooth ring, and all the external teeth are tightly meshed with the tooth sockets.
Example 2
As shown in fig. 10 the utility model discloses a high strength connector is applied to the schematic diagram that the beam column is connected, in this embodiment, two adjacent beam columns 70 need connect perpendicularly, as shown in the figure, at the first (second) end plate of the end fixing of first beam column, at the fixed second (first) end plate of the one end side of second beam column, the end plate can be through welding or bolted connection to the beam column on, be equipped with the inserted bar that has an umbrella bone section of thick bamboo on the first end plate, be equipped with the plug patchhole on the second end plate, be fixed with the tooth ring in the plug patchhole, through the utility model discloses a high strength connector can realize the high-speed joint of beam column. The utility model discloses a high strength connector can also realize two beam columns at the high-speed joint of horizontal direction.
Example 3
As shown in fig. 11 the utility model discloses a high strength connector is applied to the schematic diagram that wallboard 71 connects, installs between two wallboards the utility model discloses a high strength connector can realize the high-speed joint of wallboard.
The utility model discloses a high strength connector's application is not limited to the connection of above concrete member, beam column and wallboard, can also be applied to the connection of other building or non-building member.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A connector, characterized by: comprises a first end plate, a second end plate, an inserted link, an umbrella rib cylinder and a tooth ring;
the first end plate is provided with an inserted link fixing hole;
the second end plate is provided with a plug connecting hole;
the inserted link comprises a base and a plug arranged on the base, and the base is fixedly connected with the inserted link fixing hole;
the umbrella rib cylinder comprises a sleeve-shaped umbrella rib cylinder body and a plurality of elastic umbrella rib teeth uniformly distributed at one end of the umbrella rib cylinder body, the other ends of the elastic umbrella rib teeth are free ends, the elastic umbrella rib teeth are outwards opened from one end of the umbrella rib cylinder body to the free ends along the radial direction of the umbrella rib cylinder body, and the outer side wall of the free ends of the elastic umbrella rib teeth is provided with at least one layer of outer clamping teeth; the umbrella rib cylinder is sleeved on the plug and is fixedly connected with the plug through the umbrella rib cylinder body, and the free ends of the elastic umbrella rib teeth face one end of the base;
the tooth ring is arranged in the plug connecting hole, and at least one layer of tooth grooves is formed in the inner side wall of the tooth ring;
the plug can insert in the plug connecting hole, just outer latch with tooth alveolus block is connected.
2. The connector of claim 1, wherein: outer latch has the multilayer, outer latch includes the outer latch of first outer latch and second, is close to a layer outer latch of umbrella bone section of thick bamboo body is first outer latch, the tooth height of first outer latch is greater than adjacent two the tooth interval of the outer latch of second.
3. A connection piece according to claim 1 or 2, wherein: the outer latch comprises a first clamping surface, and when the elastic umbrella rib teeth are in an open state, an included angle between the first clamping surface and the axis of the umbrella rib cylinder body is 30-80 degrees.
4. A fitting according to claim 3, wherein: the tooth socket comprises a second clamping surface, and the included angle between the second clamping surface and the axis of the tooth ring is 30-80 degrees.
5. The connector of claim 4, wherein: the included angle between the first clamping surface and the axis of the umbrella rib tube body is consistent with the included angle between the second clamping surface and the axis of the tooth ring.
6. The connector of claim 5, wherein: the outer wall surface of the elastic umbrella rib teeth is of an arc-shaped structure from one end of the umbrella rib cylinder body to the free end.
7. The connector of claim 6, wherein: the inserted bar and the umbrella rib cylinder are of an integrated structure.
8. The connector of claim 6, wherein: the umbrella rib tube comprises a plug and is characterized in that a first external thread is arranged on the plug, a first internal thread is arranged in an umbrella rib tube body, and the umbrella rib tube body is fixedly connected with the plug through the first external thread and the first internal thread.
9. The connector of claim 1, wherein: the outer side wall of one end of the umbrella rib cylinder body, which is far away from the elastic umbrella rib teeth, is also provided with a guide surface.
10. A precast concrete unit includes a precast concrete unit body, characterized in that: further comprising the connector of any one of claims 1 to 9, wherein the first end plate and the second end plate are fixed to both ends of the precast concrete unit body, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120988227.7U CN215106086U (en) | 2021-05-10 | 2021-05-10 | Connecting piece and precast concrete component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120988227.7U CN215106086U (en) | 2021-05-10 | 2021-05-10 | Connecting piece and precast concrete component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215106086U true CN215106086U (en) | 2021-12-10 |
Family
ID=79295433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120988227.7U Active CN215106086U (en) | 2021-05-10 | 2021-05-10 | Connecting piece and precast concrete component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215106086U (en) |
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2021
- 2021-05-10 CN CN202120988227.7U patent/CN215106086U/en active Active
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