CN111502128A - Positioning and jointing structure of steel bar capable of infinitely extending connection - Google Patents
Positioning and jointing structure of steel bar capable of infinitely extending connection Download PDFInfo
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- CN111502128A CN111502128A CN201910099192.9A CN201910099192A CN111502128A CN 111502128 A CN111502128 A CN 111502128A CN 201910099192 A CN201910099192 A CN 201910099192A CN 111502128 A CN111502128 A CN 111502128A
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- thread
- joint
- diameter
- positioning
- pin joint
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a positioning and jointing structure of a reinforcing steel bar capable of being infinitely extended and connected, which comprises a plurality of jointing pieces and a pin joint device; wherein, the joint pieces are mutually locked and linked through a pin joint device, and the pin joint device is provided with an internal thread corresponding to the joint pieces; the joint part is provided with a single thread or a plurality of threads, and a wire tooth structure is arranged at the contact end of the joint part and the pin joint device; the wire tooth structure comprises a wire part arranged at the front end of the joint, and the thread diameter of the wire part is smaller than that of the joint; the wire tooth structure also comprises an inner wire part which is arranged in the pin joint device and is contacted with the initial contact end of the joint element, and the diameter of the inner wire part is larger than that of the internal thread of the pin joint device; the screw thread design can improve the locking speed, and the wire guide part or the inner wire guide part is used for facilitating a user to lock the fastener and the pin joint device, thereby improving the locking efficiency.
Description
Technical Field
The invention relates to a positioning and connecting structure of a steel bar; in particular to a positioning and jointing structure of reinforcing steel bars capable of infinitely extending and connecting.
Background
Referring to fig. 1, fig. 1 is a schematic view illustrating a conventional reinforcing bar positioning and joining structure.
The conventional positioning and connecting structure 1 of the reinforcing steel bar comprises a connecting member 11 and a pivot 12 for locking the connecting member 11, wherein the conventional connecting member 11 is usually directly formed by the reinforcing steel bar 2 by a screw thread, the connecting member 11 after the screw thread forming can be locked with the pivot 12, and after each connecting member 11 is locked with the pivot 12, the connecting state between the connecting members 11 can be achieved, so that the positioning and connecting structure 1 of the reinforcing steel bar capable of being extended and connected is formed.
However, the detent joint structure of the existing reinforcing bars has been found to have the following disadvantages after a certain period of use:
the locking is inconvenient: when a user assembles the steel bars, if errors occur at the connection positions of the steel bars, the joint pieces are difficult to enter the pin joint for locking, so that the user has to accurately align the joint pieces with the internal threads of the pin joint to start positioning and locking, and inconvenience is often caused to the user during locking.
The tensile resistance is limited after locking: when the joint is formed and processed by the screw thread, the screw thread is formed directly through the steel bar, and the diameter of the screw thread of the joint is smaller than or equal to the caliber of the steel bar, so that the tensile resistance of the joint is limited after the joint is locked with the pin joint, and even if strong tensile force or external force is applied to the steel bar, the locked solid sample is easily damaged due to the influence of the external force.
Disclosure of Invention
The present invention provides a positioning and joining structure for reinforcing bars, and more particularly, to a positioning and joining structure for reinforcing bars capable of infinitely extending and joining, which has a stronger and more tight locking and joining capability.
To achieve the above objects, the present invention provides a positioning and connecting structure for connecting reinforcing bars in an infinitely extendable manner, comprising a plurality of connecting members and a pivot joint.
The plurality of fasteners are locked and connected through the pin joint, and can be applied to positioning and connecting structures of reinforcing steel bars, continuous walls, reinforcing steel bar beams and columns … and other building applications.
The pivot connector is provided with an internal thread corresponding to the joint part, and the thread diameter of the joint part corresponds to the diameter of the internal thread.
Wherein, the joint has double thread or three thread or multi thread, and the joint end of the joint and the pin joint is provided with a wire tooth structure; the locking actuation efficiency can be improved through the design of double-thread or three-thread or multi-thread screw teeth; the double-thread screw thread is formed by the thread forming process with the opening angle difference of two threads being 180 degrees, the triple-thread screw thread is formed by the thread forming process with the opening angle difference of three threads being 120 degrees, and so on.
The joint has the advantages that the locking lead of the double-line or three-line or multi-line thread is large, the screwing speed is faster, the screwing speed of the double-line thread can be improved by about 1 time compared with that of a single-line thread, namely, 1 turn of the double-line thread is equal to 2 turns of the single-line thread, the screwing speed of the three-line thread can be improved by about 3 times compared with that of the single-line thread, namely 1 turn of the three-line thread is equal to 3 turns of the single-line thread, and the multi-line thread is analogized by the above steps, so that the locking actuation efficiency can be effectively improved in a multiplying power mode by the design of the multi-line thread.
The thread structure of the wire comprises a wire part arranged at the front end of the joint part, the thread diameter of the wire part is smaller than that of the joint part, namely, the thread diameter of the wire part is smaller than that of the inner thread of the pin joint device (the inner thread diameter corresponds to that of the joint part), so that the joint part can easily enter the pin joint device through the design of the smaller thread diameter of the wire part when the joint part is initially contacted with the pin joint device.
Wherein, the wire tooth structure comprises an inner wire part which is arranged in the pin joint device and is contacted with the initial end of the joint part, the diameter of the inner wire part is larger than the diameter of the internal thread of the pin joint device, namely, the diameter of the inner wire part is simultaneously larger than the diameter of the internal thread of the joint part (the diameter of the internal thread is corresponding to the diameter of the internal thread of the joint part), therefore, the joint part can enter the pin joint device easily through the inner wire part when the joint part is contacted with the pin joint device initially, therefore, when the joint part and the pin joint device are locked and actuated initially, a user can save the time for searching the thread peak or the thread valley of the internal thread of the pin joint device and the joint part correspondingly, and when the pin joint device and the joint part are applied to the assembly of the reinforcing steel bar, the joint part can enter the pin joint device easily due to the larger diameter of the internal wire part through the, the problem of when producing the current corresponding lock solid position error is solved, and then improve the lock solid efficiency.
The joint can enlarge part of the caliber of the original steel bar in a cold pressing head expanding mode before thread forming, and then thread forming is carried out; the joint will form a flaring head part which is arranged at the front end of the joint and used for mutual connection, and a steel bar part which is connected with the flaring head part and maintains the original caliber size, wherein the diameter of the thread of the flaring head part is larger than the caliber of the steel bar part, so that the flaring head part has a larger thread diameter compared with the existing joint without enlarging the thread diameter, therefore, after the connection and locking of the flaring head part and the pin joint are completed, the larger thread diameter can improve the tensile resistance of the joint and the pin joint after the locking, and further the joint and the pin joint form stronger and tighter locking connection effect.
When the fastener is in locking connection with the pin joint device, the internal threads of the pin joint device correspond to the threads of the fastener, and the front ends of every two fasteners which enter the pin joint device and are in locking connection are in a contact connection lock solid state, so that the two fasteners are locked more tightly through the pin joint device, and the tensile resistance is stronger.
The locking action is carried out by the thread form of the multi-thread screw thread, the screwing speed can be improved, and the front end of the joint is provided with the wire part, or the initial contact end of the pin joint device and the joint device is provided with the inner wire part which can be simultaneously provided with the wire part and the inner wire part, or the wire part and the inner wire part are provided with any one of the two parts, so that a user can conveniently lock the joint device and the pin joint device, and the locking efficiency is improved; when the locking connection of the joint parts in the pin joint is completed, the front ends of every two joint parts form a contact solid connecting lock state, so that an extremely tight fastening state is achieved, and a stronger and tighter locking connection effect is formed when the connecting reinforcing steel bars are positioned in an infinite extension way.
Drawings
FIG. 1: schematic diagram of the positioning and jointing structure of the existing steel bar;
FIG. 2: the first preferred embodiment of the invention is a schematic diagram of a positioning and jointing structure of reinforcing steel bars capable of infinitely extending and connecting;
FIG. 3: the first preferred embodiment of the invention can infinitely extend the wire part diagram of the positioning and jointing structure of the connected steel bar;
FIG. 4: the inner wire part of the positioning and jointing structure of the steel bar capable of infinitely extending and connecting in the first preferred embodiment of the invention is shown schematically;
FIG. 5: the cold pressing head expanding schematic diagram of the positioning and jointing structure of the steel bar capable of infinitely extending and connecting in the first preferred embodiment of the invention;
FIG. 6: the locking actuation diagram of the positioning and connecting structure of the steel bar capable of infinitely extending and connecting according to the first preferred embodiment of the present invention;
FIG. 7: the joint and the lead part of the positioning and jointing structure of the reinforcing steel bars capable of infinitely extending and connecting in the second preferred embodiment of the invention are shown schematically;
FIG. 8: the second preferred embodiment of the present invention is a schematic diagram of the inner wire portion and the locking operation of the positioning and connecting structure of the steel bars capable of infinitely extending connection.
In the figure:
3, the positioning and connecting structure of the steel bars can be infinitely extended and connected; 31 a joint member; 311 expanding the head part; 312 reinforcing steel bar parts; 32 a pin joint; 321 internal threads; 33 a wire tooth structure; 331 a lead portion; 332 inner lead portions; 4, reinforcing steel bars; 1, positioning and connecting structure of the existing steel bar; 11 a joint member; 12 a pin joint; and 2, reinforcing steel bars.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Referring to fig. 2 to 4, fig. 2 is a schematic view of a positioning and joining structure of reinforcing bars capable of infinitely extending and connecting according to a first preferred embodiment of the present invention, fig. 3 is a schematic view of a wire portion of a positioning and joining structure of reinforcing bars capable of infinitely extending and connecting according to a first preferred embodiment of the present invention, and fig. 4 is a schematic view of an inner wire portion of a positioning and joining structure of reinforcing bars capable of infinitely extending and connecting according to a first preferred embodiment of the present invention.
As shown in the drawings, the positioning and connecting structure 3 for reinforcing bars capable of infinitely extending and connecting according to the first preferred embodiment of the present invention comprises a plurality of connecting members 31 and a pivot connector 32.
The engaging members 31 are locked and connected to each other by the pivot connector 32, and may be applied to positioning and engaging structures for construction applications such as reinforcing bars, continuous walls, reinforcing bars, beams and columns …, etc.
The pivot connector 32 has an internal thread 321 corresponding to the engaging member 31, and the diameter of the thread of the engaging member 31 corresponds to the diameter of the internal thread 321.
Wherein, the characteristic of the invention lies in: the joint 31 has double thread or triple thread or multiple thread, and the contact end of the joint 31 and the pivot joint 32 is provided with a wire tooth structure 33, so that the locking and fixing efficiency can be improved by the design of the double thread or triple thread or multiple thread; in the present embodiment, the joint 31 has a double thread as an example, the double thread is formed by performing thread forming with a difference between opening angles of two threads being 180 degrees, the triple thread is formed by performing thread forming with a difference between opening angles of three threads being 120 degrees, and so on.
The joint 31 has the advantages that the locking of the double-line or three-line or multi-line threads is realized, the locking lead is large, the screwing speed is faster, the screwing speed of the double-line threads can be increased by about 1 time compared with that of the single-line threads, namely, the double-line threads are equally rotated for 2 circles by one circle, the screwing speed of the three-line threads can be increased by about 3 times compared with that of the single-line threads, namely, the three-line threads are equally rotated for 3 circles by one circle, and the multi-line threads are analogized by the same way, so that the locking actuation efficiency can be effectively improved in a multiplying power mode by the design of the multi-line threads.
As shown in fig. 2 and 3, the thread structure 33 includes a thread portion 331 disposed at the front end of the engaging member 31, wherein the thread diameter of the thread portion 331 is smaller than the thread diameter at the rear end of the engaging member 31, that is, the thread diameter of the thread portion 331 is also smaller than the thread diameter of the internal thread 321 of the pivot connector 32 (the thread diameter of the internal thread 321 corresponds to the thread diameter of the engaging member 31), so that the engaging member 31 can enter the pivot connector 32 more easily through the thread portion 331 when initially contacting the pivot connector 32, and thus, when the engaging member 31 and the pivot connector 32 initially lock, a user can save the time for finding the peak or valley of the internal thread 321 and the engaging member 31 corresponding to each other, and when the internal thread 321 and the engaging member 31 are applied to the steel bar assembly, the engaging member 31 can enter the pivot connector 32 more easily due to the smaller thread diameter of the thread portion 331 by the design of the thread portion 331, therefore, the locking between the joint 31 and the pivot joint 32 can be more conveniently performed by the user, thereby solving the problem of the existing locking position error, and further improving the locking efficiency.
As shown in fig. 4, the wire-guiding structure 33 includes an inner wire portion 332 disposed inside the pivot connector 32 and contacting the initial end of the engaging member 31, wherein the diameter of the inner wire portion 332 is larger than the diameter of the internal thread 321 of the pivot connector 32, that is, the diameter of the inner wire portion 332 is larger than the diameter of the thread of the engaging member 31 (the diameter of the internal thread 321 corresponds to the diameter of the thread of the engaging member 31), so that the engaging member 31 can enter the pivot connector 32 more easily through the inner wire portion 332 when initially contacting the pivot connector 32, and thus, when the engaging member 31 and the pivot connector 32 are initially locked, a user can save the time for finding the peak or valley of the internal thread 321 locked with the engaging member 31 in the pivot connector 32, and when the internal thread 321 and the engaging member 31 are applied to steel bar assembly, the engaging member 31 can enter the pivot connector 32 more easily due to the larger diameter of the inner wire portion 332, therefore, the locking between the joint 31 and the pivot joint 32 can be more conveniently performed by the user, thereby solving the problem of the existing locking position error, and further improving the locking efficiency.
Referring to fig. 5, fig. 5 is a schematic view of a cold-pressed expanding head of a positioning and joining structure of reinforcing bars capable of infinitely extending and connecting according to a first preferred embodiment of the present invention.
The joint 31 can enlarge part of the caliber of the original steel bar 4 in a cold pressing head expanding mode before thread forming, and then thread forming is carried out; the joint 31 is formed with a head-expanding portion 311 at the front end of the joint 31 for mutual connection, and a rib portion 312 connected to the head-expanding portion 311 to maintain the original diameter, wherein the thread diameter of the head-expanding portion 311 is larger than the diameter of the rib portion 312, so that the head-expanding portion 311 has a larger thread diameter compared with the conventional joint 31 without the enlarged thread diameter, and after the head-expanding portion 311 and the pivot connector 32 are connected and locked, the larger thread diameter can improve the tensile strength of the joint 31 and the pivot connector 32 after being locked, thereby enabling the joint 31 and the pivot connector 32 to form stronger and tighter locking connection effect.
Referring to fig. 6, fig. 6 is a schematic locking operation diagram of a positioning and connecting structure of reinforcing bars capable of infinitely extending and connecting according to a first preferred embodiment of the present invention.
When the joint 31 is locked and connected with the internal thread 321 of the pivot connector 32, the internal thread 321 corresponds to the thread of the joint 31, and the front ends of every two joint 31 locked and connected in the pivot connector 32 form a contact solid connection lock, so that the locking between every two joint 31 through the pivot connector 32 is tighter, and the tensile resistance is stronger.
The thread form of the multi-thread screw of the present invention can increase the screwing speed, and the front end of the joint 31 is provided with the wire portion 331, or the initial contact end of the pin joint 32 and the joint 31 is provided with the inner wire portion 332 (as shown in fig. 4), the wire portion 331 and the inner wire portion 332 can be provided at the same time, or both of them can be provided, so as to facilitate the locking of the joint 31 and the pin joint 32 by the user, and when the locking connection of the joint 31 in the pin joint 32 is completed, the front ends of two joint 31 can form a contact connection locking solid form, so as to achieve a very tight fastening form, and form a stronger and tighter locking connection effect when positioning the infinitely extending connecting steel bar.
Referring to fig. 7 and 8, fig. 7 is a schematic view of a joint and a wire portion of a positioning and connecting structure of reinforcing bars capable of infinitely extending and connecting according to a second preferred embodiment of the present invention, and fig. 8 is a schematic view of an inner wire portion and a locking operation of a positioning and connecting structure of reinforcing bars capable of infinitely extending and connecting according to a second preferred embodiment of the present invention.
The positioning and jointing structure 3 for reinforcing bars capable of infinitely extending and connecting according to the second preferred embodiment of the present invention comprises all the components of the first preferred embodiment, and is different therefrom: the joint 31 has a single thread, not a multiple thread, and the contact end of the joint 31 and the pivot joint 32 is also provided with a thread structure 33, the thread structure 33 includes a connecting thread portion 331, the thread diameter of the thread portion 331 is smaller than the thread diameter of the rear end of the joint 31, or an inner thread portion 332 matched and locked with the single thread is provided at the initial contact end of the joint 31 in the pivot joint 32, the diameter of the inner thread portion 332 is larger than the diameter of the inner thread 321 in the pivot joint 32, so as to facilitate the joint 31 to enter the pivot joint 32 initially; the production cost of the whole structure can be reduced by the simple structure of the single thread, and the effects of saving cost, facilitating locking, and strengthening locking force and locking strength are achieved by matching with the wire guide tooth structure 33.
In summary, the positioning and jointing structure of the steel bar capable of infinitely extending and connecting of the invention has the advantages that:
1. convenient locking: the joint part is provided with a wire part, and the pin joint device can be additionally provided with an inner wire part, so that the time for searching the thread peak or the thread valley corresponding to the locking of the internal thread and the thread is saved when the joint part and the pin joint device start to lock and move.
2. The joint locking is easier to carry out: when the internal thread and the joint are applied to the assembly of the reinforcing steel bar, the error corresponding to the locking position is often generated, and through the design of the wire guide part, the joint is easier to enter the pin joint device for locking action because the smaller thread of the wire guide part is straight.
3. The locking actuation efficiency is good: the joint part is provided with double-thread threads or three-thread threads or multi-thread threads, so that the speed of screwing the threads is increased when the pin joint is locked, and the joint part enters the pin joint device to be locked more easily by matching with a wire thread structure, thereby improving the locking efficiency.
4. The locking strength of the screw thread is enhanced: the joint formed by machining after cold pressing and expanding the head has threads with larger diameters of screw peaks and valleys, and can form tensile resistance with stronger strength after locking.
5. Tighter locking connection efficacy: the internal thread of the pin joint and the joint member are locked with each other, and the joint members complete the locking action in the pin joint in a mutual interference manner, thereby forming a tighter locking connection effect.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. An improved structure of positioning and jointing structure of steel bar capable of infinitely extending and connecting comprises a plurality of jointing pieces and a pin joint; it is characterized in that the preparation method is characterized in that,
the plurality of joint pieces are mutually locked and connected through the pin joint device and used for forming a steel bar in infinite extension connection;
the pin joint device is provided with an internal thread corresponding to the joint element;
the joint has multiple thread, and the joint and the pin joint have wire structure.
2. A positive engagement structure for reinforcing bars in infinitely extendable connections as claimed in claim 1, wherein the engagement member has a double thread.
3. The structure of claim 1, wherein the coupler has a three-thread.
4. A positive displacement coupler structure for reinforcing steel bars that can be infinitely extended and coupled as claimed in claim 1, wherein the lead thread structure comprises a lead portion provided at the front end of the coupling member, the lead portion having a smaller thread diameter than the thread diameter of the rear end of the coupling member.
5. The positioning and engagement structure for reinforcing bars that can be infinitely extended according to claim 1, wherein the wire guide teeth structure comprises an inner wire portion disposed in the pivot joint at the initial contact end of the engagement member, the inner wire portion having a diameter greater than the diameter of the internal thread of the pivot joint.
6. The positioning and coupling structure of infinitely extendable connecting reinforcing bars according to claim 1, wherein the coupling member is formed by cold-heading a portion of the reinforcing bars before thread forming and then thread forming, and comprises a counter-headed portion at the front end of the coupling member for coupling with each other, and a reinforcing bar portion coupled to the counter-headed portion to maintain the original diameter; the diameter of the thread of the enlarged head part is larger than the caliber of the steel bar part.
7. A positioning and jointing structure of reinforcing steel bars capable of being infinitely extended and connected comprises a plurality of jointing pieces and a pin joint device; it is characterized in that the preparation method is characterized in that,
the plurality of joint pieces are mutually locked and connected through the pin joint device and are used as reinforcing steel bars in infinite extension connection;
the pin joint is provided with an internal thread corresponding to the joint piece;
wherein the joint has a single thread, and the contact end of the joint and the pin joint is provided with a wire tooth structure.
8. A positive displacement coupler structure for reinforcing steel bars that may be infinitely extended according to claim 7, wherein the thread tooth structure comprises a thread guide portion provided at the front end of the coupler, said thread guide portion having a smaller diameter than the thread diameter of the rear end of the coupler.
9. The positioning and engagement structure for steel reinforcing bars that can be infinitely extended and connected according to claim 7, wherein the wire-guiding thread structure comprises an inner wire portion in the pivot joint that contacts the initial end of the engagement member, said inner wire portion having a diameter greater than the diameter of the internal thread of the pivot joint.
10. The positioning and coupling structure of infinitely extendable connecting reinforcing bars according to claim 7, wherein the coupling member is formed by cold-heading a portion of the reinforcing bars before thread forming and then thread forming, and comprises a counter-headed portion at the front end of the coupling member for coupling with each other, and a reinforcing bar portion coupled to the counter-headed portion to maintain the original diameter; the diameter of the thread of the enlarged head part is larger than the caliber of the steel bar part.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099192.9A CN111502128A (en) | 2019-01-31 | 2019-01-31 | Positioning and jointing structure of steel bar capable of infinitely extending connection |
| PH12020050015A PH12020050015A1 (en) | 2019-01-31 | 2020-01-22 | Improved positioning joint structure of reinforcing steel bar (cage) having infinitely extending connection |
| SG10202000633WA SG10202000633WA (en) | 2019-01-31 | 2020-01-22 | Improved positioning joint structure of reinforcing steel bar (cage) having infinitely extending connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910099192.9A CN111502128A (en) | 2019-01-31 | 2019-01-31 | Positioning and jointing structure of steel bar capable of infinitely extending connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111502128A true CN111502128A (en) | 2020-08-07 |
Family
ID=71870860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910099192.9A Pending CN111502128A (en) | 2019-01-31 | 2019-01-31 | Positioning and jointing structure of steel bar capable of infinitely extending connection |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111502128A (en) |
| PH (1) | PH12020050015A1 (en) |
| SG (1) | SG10202000633WA (en) |
-
2019
- 2019-01-31 CN CN201910099192.9A patent/CN111502128A/en active Pending
-
2020
- 2020-01-22 SG SG10202000633WA patent/SG10202000633WA/en unknown
- 2020-01-22 PH PH12020050015A patent/PH12020050015A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SG10202000633WA (en) | 2020-08-28 |
| PH12020050015A1 (en) | 2021-08-23 |
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