CN219549304U - Double-end connecting piece for threaded rod - Google Patents
Double-end connecting piece for threaded rod Download PDFInfo
- Publication number
- CN219549304U CN219549304U CN202320493849.1U CN202320493849U CN219549304U CN 219549304 U CN219549304 U CN 219549304U CN 202320493849 U CN202320493849 U CN 202320493849U CN 219549304 U CN219549304 U CN 219549304U
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- rod body
- double
- pin holes
- rod
- pin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a double-head connecting piece for a threaded rod, and belongs to the field of screws. The utility model relates to a double-head connecting piece for a threaded rod, which comprises a rod body, a bearing pin, a pin hole and a fixed pin cover; the rod body is a hollow rod, an external thread is arranged on the outer peripheral side of the rod body, and an internal thread is arranged on the inner peripheral side of the rod body; the middle part of the rod body is provided with two pin holes, the pin holes are staggered with the axle center of the rod body, the two pin holes are crossed, the two pin holes are not communicated, the inner diameters of the two pin holes are the same, and the two pin holes are perpendicular to the axle center of the rod body; the number of the bearing pins is two, the bearing pins are made of rigid materials, the rigidity strength of the bearing pins is larger than that of other objects, the bearing pins are installed and embedded in the corresponding pin holes, and the outer diameter of the bearing pins is matched with the inner diameter of the pin holes.
Description
Technical Field
The utility model belongs to the field of screws, and particularly relates to a double-head connecting piece for a threaded rod.
Background
The double-ended connector for threaded rods refers to a cylindrical fastener with threads at both ends. The method is widely applied to electric power, chemical industry, oil refining, valves, railways, bridges, steel structures, steam friction accessories, machinery, boiler steel structures, hanging towers, large-span steel structures, large-scale buildings and the like. When two parts are required to be mounted on both sides of a carrier, it is often necessary to engage with studs. Namely, the two parts are respectively fixed on the two sides of the bearing object through the double-end studs.
If current a patent number is CN 202220262117.7's a double-end screw, this product mainly can be with the detachable exclusive use respectively, also makes this device practicality become strong through rotating the spanner, and is fixed more stable, has satisfied user's user demand.
However, this product still has some problems: only the surface is provided with threaded connection, and the connecting piece is too narrow with the connection audience face of this product, and the middle part hole is too many, and the cost of consumption is too big in the production and processing process, and because of the hole in middle part too much leads to the middle part structure fragile, and the middle part sets up the pivot bearing capacity too low, leads to the fracture easily.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a double-head connecting piece for a threaded rod, which can realize internal and external threaded connection, is provided with a pin in the middle part, and can balance gravity to relieve the condition of different loads at two ends of a double-head screw.
The utility model relates to a double-head connecting piece for a threaded rod, which comprises a rod body, a bearing pin, a pin hole and a fixed pin cover; the rod body is a hollow rod, an external thread is arranged on the outer peripheral side of the rod body, and an internal thread is arranged on the inner peripheral side of the rod body; the middle part of the rod body is provided with two pin holes, the pin holes are staggered with the axle center of the rod body, the two pin holes are crossed, the two pin holes are not communicated, the inner diameters of the two pin holes are the same, and the two pin holes are perpendicular to the axle center of the rod body; the number of the bearing pins is two, the bearing pins are made of rigid materials, the rigidity strength of the bearing pins is larger than that of other objects, the bearing pins are installed and embedded in the corresponding pin holes, and the outer diameter of the bearing pins is matched with the inner diameter of the pin holes.
As a further development of the utility model, a double-ended connection for threaded rods further comprises a fastening zone, which is a solid rod, in order to ensure the bearing strength of the middle part of the connection, which fastening zone is made of a rigid material and which fastening zone is part of the shaft in the middle part.
As a further improvement of the present utility model, the shaft end is fixedly connected with the fastening region end; the wall thickness of the shaft is uniform, and the shaft is made of rigid materials so as to ensure the connection strength.
As a further improvement of the utility model, the connecting piece further comprises a guide part, which is a hollow pipe made of rigid material; the guide parts are two in number and symmetrically distributed at two ends of the rod body, and the guide parts and the rod body are coaxially arranged; the external diameter of the guide part is smaller than that of the thread part, so that the rod body is connected with the threaded rod more accurately.
As a further improvement of the utility model, the two sides of the surface of the two ends of the rod body are symmetrically provided with the sliding grooves, and the sliding grooves are arranged in a horizontal direction relative to the rod body. The tail ends of the sliding grooves are arranged at two ends of the fastening area, and the sliding grooves are arranged in the axial direction of the rod body; the groove ends of the sliding groove are arranged at the two ends of the fastening area.
As a further development of the utility model, the fixing pin covers are coil shells, the fixing pin covers are made of rigid material, and the number of the fixing pin covers is two. The inside wall that the fixed pin covered is equipped with at least one bellying, and the bellying begins along axial direction by fixed pin cover terminal surface and extends the setting, and the length of bellying is shorter than the axial length of fixed pin cover, and the bellying corresponds with the sliding tray, and the bellying inlays locates in the sliding tray, bellying and sliding tray sliding connection. The length of the protruding part is the length of a gap between the tail end of the thread formed on the periphery of the rod body and one end of the fastening area, the fixing pin cover slides to the outer side of the pin hole through the sliding protruding part, and the bearing pin is fixed through the cover.
As an improvement of the utility model, one end of the fixed pin cover close to the fastening area is provided with a fastening spring ring, and when the bulge part slides to the tail end of the sliding groove, one end of the fastening spring ring is in collision with one end of the fixed pin cover which is relatively displaced and close to the fastening area, so that a buffer area of the spring ring is formed, and the connection of objects is firmer.
Compared with the prior art, the utility model has the beneficial effects that:
the bearing pin of the double-head connecting piece is made of a material with good rigidity, and the cost of other parts of the bearing pin is low, so that the cost of the whole manufacturing process is low.
The double-end connecting piece can be connected with objects inside and outside, and has wider application range.
The double-end connecting piece is provided with the bearing pin, and the bearing pin is arranged in a crossing way and balances the gravity at two ends, so that the connecting piece is not easy to break or bend due to the gravity sharing.
Drawings
FIG. 1 is a schematic perspective view of a dual head connector of the present utility model;
FIG. 2 is a schematic view of a right pin hole cross-sectional structure of a double-ended connection of the present utility model;
FIG. 3 is a schematic view of a cross-sectional structure of a left pin hole of the dual-head connector of the present utility model;
FIG. 4 is a schematic view of the structure of the dual-head connector securing pin cover after sliding;
FIG. 5 is a schematic view of a sliding groove of the dual-head connector;
fig. 6 is a schematic structural view of a boss of the dual-head connector-securing pin cover of the present utility model.
The reference numerals in the figures illustrate:
shaft 1, fastening section 2, guide 3, female screw 4, pin hole 5, fixing pin cover 51, and slide groove 52.
Detailed Description
First embodiment: referring to fig. 1-3, a double-ended connector for a threaded rod includes a shaft 1, a fastening region 2, and a load bearing pin.
The rod body 1 is a hollow rod, external threads are formed on the outer circumferential side of the rod body 1, and internal threads are formed on the inner circumferential side of the rod body 1. The shaft 1 has a uniform wall thickness and a certain wall thickness, and the shaft 1 is made of a rigid material to secure the connection strength. When in use, the utility model has two use forms: 1. the connecting end part of the threaded rod is an internal thread, and the rod body 1 is inserted into the inner side of one end part of the threaded rod and is in threaded connection with the threaded rod; 2. the connecting end of the threaded rod is an external thread, and one end of the threaded rod is inserted into the inner side of the rod body 1 and is in threaded connection with the rod body 1. The connecting piece can be connected with two types of threaded rods, and the application range is widened. The shaft 1 is integrally formed with the fastening region 2.
The fastening region 2 is a solid bar, and the fastening region 2 is a portion of the shaft 1 located in the middle. The fastening region 2 is made of a rigid material. The inside pinhole 5 of having seted up of fastening district 2, pinhole 5 quantity is two, and pinhole 5 are both the form that both ends link up, and two pinholes 5 all stagger the setting with the axle center of fastening district 2, and two pinholes 5 cross the setting, and two pinholes 5 do not communicate, and two pinholes 5 internal diameters are the same, and two pinholes 5 all are perpendicular with the axle center of fastening district 2.
The number of the bearing pins is two, and the bearing pins are made of rigid materials. The bearing pins are all installed and embedded in the corresponding pin holes 5, and the outer diameter of the bearing pins is matched with the inner diameter of the pin holes 5. The bearing pin has a much greater rigidity than the shaft 1 and the fastening region 2.
Working principle: the double-end connecting piece that threaded rod was used has two kinds of usage forms when using: 1. the connecting end part of the threaded rod is an internal thread, and the rod body 1 is inserted into the inner side of one end of the threaded rod and is in threaded connection with the threaded rod. After the threaded rod is connected, the threaded rod is inserted into the fastening area 2 through two bearing pins, and the bearing pins can better share the influence of different gravity on two sides, so that the double-head connecting piece is broken. 2. The connecting end of the threaded rod is an external thread, and one end of the threaded rod is inserted into the inner side of the rod body 1 and is in threaded connection with the rod body 1. And after the threaded rod is connected, the threaded rod is inserted into the fastening area 2 in a penetrating way through the two bearing pins, and the influence caused by different gravity on two sides is shared through the bearing pins, so that the possibility of fracture of the double-head connecting piece is reduced.
Specific embodiment II: on the basis of the first embodiment, the connecting piece comprises a guide part 3, and the guide part 3 is a hollow pipe made of rigid material. The number of the guide parts 3 is two, and the guide parts 3 are respectively and fixedly arranged at two ends of the rod body 1 far away from the fastening area 2, and the end parts of the guide parts 3 are fixedly connected with the end parts of the rod body 1. Preferably, the guide part 2 is integrally formed with the shaft 1. The guide 3 is provided coaxially with the shaft 1. The guide 3 has an outer diameter smaller than that of the screw to allow the shaft 1 to be more precisely coupled with the threaded rod.
Working principle: the double-end connecting piece that threaded rod was used has two kinds of usage forms when using: 1. the connecting end of the threaded rod is an internal thread, the rod body 1 is inserted into the inner side of one end of the threaded rod through the guide of the guide part 3 and is in threaded connection with the threaded rod, and the guide part 3 enables a user to set the rod body 1 and the threaded rod connecting sleeve together faster and more accurately. After the threaded rods are connected, the threaded rods are inserted into the fastening area 2 in a penetrating manner through two bearing pins, and the bearing pins can better share the influence of different gravity on two sides, so that the double-head connecting piece is broken; 2. the connecting end of the threaded rod is an external thread, and one end of the threaded rod is inserted into the inner side of the rod body 1 and is in threaded connection with the rod body 1. And after the threaded rod is connected, the threaded rod is inserted into the fastening area 2 in a penetrating way through the two bearing pins, and the influence caused by different gravity on two sides is shared through the bearing pins, so that the possibility of fracture of the double-head connecting piece is reduced.
Third embodiment: on the basis of the first or second embodiment, the connecting member includes fixing pin covers 51, as shown in fig. 5, sliding grooves 52 are symmetrically formed on both sides of the surface of both ends of the shaft 1, and the sliding grooves 52 are formed along the axial direction of the shaft 1. The groove ends of the slide groove 52 open to both ends of the fastening region 2.
As shown in fig. 4, the fixing pin cover 51 is a coil case, and the fixing pin cover 51 is made of a rigid material. The number of the fixed pin covers 51 is two, the fixed pin covers 51 are symmetrically distributed on two sides of the fastening area 2, and the fixed pin covers 51 are in sliding connection with the rod body 1. As shown in fig. 6, the inner side wall of the fixed pin cover 51 is provided with at least one protruding portion extending from the end surface of the fixed pin cover 51 in the axial direction, the length of the protruding portion is shorter than the axial length of the fixed pin cover 51, the protruding portion corresponds to the sliding groove 52, the protruding portion is embedded in the sliding groove 52, and the protruding portion is slidably connected with the sliding groove 52. The length of the protruding part is the length of a gap between the end of the thread formed on the periphery of the rod body 1 and one end of the fastening area 2, the fixing pin cover 51 is slid to the outer side of the pin hole 5 by sliding the protruding part, and the bearing pin is fixed by the cover.
Working principle: the double-end connecting piece that threaded rod was used has two kinds of usage forms when using: 1. the connecting end of the threaded rod is an internal thread, and the rod body 1 is inserted into the inner side of one end of the threaded rod through the guide of the guide part 3 and is in threaded connection with the threaded rod. After the threaded rod is connected, the threaded rod is inserted into the fastening area 2 through two bearing pins, and the bearing pins can better share the influence of different gravity on two sides, so that the double-head connecting piece is broken. The bearing pin is prevented from sliding down due to the fact that the threaded rod is rotated, the fixed pin covers 51 slide to two ends of the fastening area 2 through the sliding grooves 52, and the bearing pin is fixed through the covers, so that the bearing pin cannot fall down in the rotating and moving process of the threaded rod. 2. The connecting end of the threaded rod is an external thread, and one end of the threaded rod is inserted into the inner side of the rod body 1 and is in threaded connection with the rod body 1. And after the threaded rod is connected, the threaded rod is inserted into the fastening area 2 in a penetrating way through the two bearing pins, and the influence caused by different gravity on two sides is shared through the bearing pins, so that the possibility of fracture of the double-head connecting piece is reduced. The bearing pin is prevented from sliding down due to the fact that the threaded rod is rotated, the fixed pin covers 51 slide to two ends of the fastening area 2 through the sliding grooves 52, and the bearing pin is fixed through the covers, so that the bearing pin cannot fall down in the rotating and moving process of the threaded rod.
Fourth embodiment: on the basis of the third embodiment, one end of one fixed pin cover plate 51, which is close to the fastening area 2, is provided with a fastening spring ring, and when the protruding part slides to the tail end of the sliding groove 52, one end of the fastening spring ring collides with one end of the fixed pin cover plate 51 to form a buffer area of the spring ring.
Working principle: the double-end connecting piece that threaded rod was used has two kinds of usage forms when using: 1. the connecting end of the threaded rod is an internal thread, and the rod body 1 is inserted into the inner side of one end of the threaded rod through the guide of the guide part 3 and is in threaded connection with the threaded rod. After the threaded rod is connected, the threaded rod is inserted into the fastening area 2 through two bearing pins, and the bearing pins can better share the influence of different gravity on two sides, so that the double-head connecting piece is broken. The bearing pin is prevented from sliding down due to the fact that the threaded rod is rotated, the fixed pin covers 51 slide to two ends of the fastening area 2 through the sliding grooves 52, and the bearing pin is fixed through the covers, so that the bearing pin cannot fall down in the rotating and moving process of the threaded rod. 2. The connecting end of the threaded rod is an external thread, and one end of the threaded rod is inserted into the inner side of the rod body 1 and is in threaded connection with the rod body 1. And after the threaded rod is connected, the threaded rod is inserted into the fastening area 2 in a penetrating way through the two bearing pins, and the influence caused by different gravity on two sides is shared through the bearing pins, so that the possibility of fracture of the double-head connecting piece is reduced. The sliding of the bearing pin caused by the rotation of the threaded rod is prevented, the fixed pin cover 51 slides to the two ends of the fastening area 2 through the sliding groove 52, the fastening spring ring collides with the fixed pin cover 51 to form buffer, and the connecting structure is more stable; the bearing pin is fixed by the fixed pin cover 51, so that the bearing pin cannot fall off in the rotating and moving process of the threaded rod.
Claims (7)
1. A double-ended connector for threaded rods, characterized in that: a double-head connector for a threaded rod comprises a rod body (1), a bearing pin, a pin hole (5) and a fixed pin cover (51); the rod body (1) is a hollow rod, an external thread is arranged on the outer periphery side of the rod body (1), and an internal thread is arranged on the inner periphery side of the rod body (1); the middle part of the rod body (1) is provided with two pin holes (5), the pin holes (5) are staggered with the axle center of the rod body (1), the two pin holes (5) are arranged in a crossing way, the two pin holes (5) are not communicated, the inner diameters of the two pin holes (5) are the same, and the two pin holes (5) are perpendicular to the axle center of the rod body (1); the number of the bearing pins is two, the bearing pins are made of rigid materials, the rigidity strength of the bearing pins is larger than that of other objects, the bearing pins are installed and embedded in the corresponding pin holes (5), and the outer diameter of the bearing pins is matched with the inner diameter of the pin holes (5).
2. A double-ended connector for threaded rods as set forth in claim 1, wherein: the novel connecting piece further comprises a fastening area (2), the fastening area (2) is a solid rod piece, the fastening area (2) is made of rigid materials so as to ensure the bearing strength of the middle part of the connecting piece, and the fastening area (2) is a part of the rod body (1) located in the middle part.
3. A double-ended connector for threaded rods as set forth in claim 2, wherein: the end part of the rod body (1) is fixedly connected with the end part of the fastening area (2); the wall thickness of the rod body (1) is uniform, and the rod body (1) is made of rigid materials so as to ensure the connection strength.
4. A double-ended connector for threaded rods as set forth in claim 1, wherein: the device also comprises a guide part (3), wherein the guide part (3) is a hollow pipe fitting made of rigid materials; the two guide parts (3) are symmetrically distributed at two ends of the rod body (1), and the guide parts (3) and the rod body (1) are coaxially arranged; the outer diameter of the guide part (3) is smaller than the outer diameter of the thread.
5. A double-ended connector for threaded rods as set forth in claim 3, wherein: sliding grooves (52) are symmetrically formed in two sides of the surface of two ends of the rod body (1), and the sliding grooves (52) are formed in the axial direction of the rod body (1); the groove ends of the sliding groove (52) are arranged at the two ends of the fastening area (2).
6. A double-ended connector for a threaded rod as set forth in claim 5 wherein: the fixed pin cover (51) is a ring shell, the fixed pin cover (51) is made of a rigid material, at least one protruding part is arranged on the inner side wall of the fixed pin cover (51), the protruding part extends from the end face of the fixed pin cover (51) along the axial direction, the length of the protruding part is shorter than the axial length of the fixed pin cover (51), the protruding part corresponds to the sliding groove (52), the protruding part is embedded in the sliding groove (52), the protruding part is in sliding connection with the sliding groove (52), and the length of the protruding part is the gap length between the threaded tail end formed on the periphery of the rod body (1) and one end of the fastening area (2); in the use state, the bulge is positioned outside the fastening area (2) where the pin hole (5) is positioned.
7. A double-ended connector for a threaded rod as set forth in claim 6 wherein: and one end of the fixed pin cover (51) close to the fastening area (2) is provided with a fastening spring ring, and when the protruding part slides to the tail end of the sliding groove (52), one end of the fastening spring ring, which is not connected with a device, collides with one end of the fixed pin cover (51) which is relatively displaced, close to the fastening area (2), so that a buffer area of the spring ring is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320493849.1U CN219549304U (en) | 2023-03-15 | 2023-03-15 | Double-end connecting piece for threaded rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320493849.1U CN219549304U (en) | 2023-03-15 | 2023-03-15 | Double-end connecting piece for threaded rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549304U true CN219549304U (en) | 2023-08-18 |
Family
ID=87735417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320493849.1U Active CN219549304U (en) | 2023-03-15 | 2023-03-15 | Double-end connecting piece for threaded rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549304U (en) |
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2023
- 2023-03-15 CN CN202320493849.1U patent/CN219549304U/en active Active
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