CN216812418U - Hidden connection structure - Google Patents
Hidden connection structure Download PDFInfo
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- CN216812418U CN216812418U CN202220146018.2U CN202220146018U CN216812418U CN 216812418 U CN216812418 U CN 216812418U CN 202220146018 U CN202220146018 U CN 202220146018U CN 216812418 U CN216812418 U CN 216812418U
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Abstract
The utility model relates to the technical field of home furnishing, and discloses a hidden connecting structure which comprises a first connecting pipe, a second connecting pipe, a connecting piece, a connecting bolt and a fastening assembly, wherein the inner cavity of the first connecting pipe is provided with a connecting pipe, an internal threaded hole is formed in the connecting pipe, and a through hole corresponding to the internal threaded hole is formed in the pipe wall of the first connecting pipe; a first through hole is formed in the first end of the connecting piece, and a screw rod of the connecting bolt sequentially penetrates through the first through hole and the through hole and then is in threaded connection with the internal threaded hole; one end of the second connecting pipe is sleeved on the connecting piece, and the connecting piece is connected to the second connecting pipe through the fastening assembly. The utility model has the advantages of effectively hiding the installation part, improving the integral aesthetic degree, having good stability between the first connecting pipe and the second connecting pipe and realizing the disassembly and separation.
Description
Technical Field
The utility model relates to the technical field of home, in particular to a hidden connecting structure.
Background
The two hollow pipe fittings are fixedly connected in a first mode, and the fixed connection mainly comprises welding, so that the two hollow pipe fittings cannot be detached and separated in the subsequent use process, the use is relatively inconvenient, and the appearance is not attractive; secondly, the connection can be dismantled, two hollow pipe fittings peg graft each other and realize connecting fixedly through the connecting piece to two pipe fittings, but such structure, more connecting piece can bulge in the pipe fitting after the installation is accomplished, influences the smooth effect on pipe fitting surface and influences overall structure's aesthetic property simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of providing a hidden connecting structure, which can effectively hide installation parts, improve the overall aesthetic degree, and simultaneously has good stability between a first connecting pipe and a second connecting pipe and can realize disassembly and separation.
In order to solve the technical problems, the utility model provides a hidden connecting structure which comprises a first connecting pipe, a second connecting pipe, a connecting piece, a connecting bolt and a fastening assembly, wherein the inner cavity of the first connecting pipe is provided with a connecting pipe, an internal threaded hole is formed in the connecting pipe, and a through hole corresponding to the internal threaded hole is formed in the pipe wall of the first connecting pipe; a first through hole is formed in the first end of the connecting piece, and a screw rod of the connecting bolt sequentially penetrates through the first through hole and the through hole and then is in threaded connection with the internal threaded hole; one end of the second connecting pipe is sleeved on the connecting piece, and the connecting piece is connected to the second connecting pipe through the fastening assembly.
As a preferable scheme of the present invention, the fastening assembly includes a connection nut and a set screw, the connection member is provided with a positioning groove matching the connection nut in shape, the second connection pipe is provided with a mounting hole for the set screw to pass through, and the set screw is in threaded connection with the connection nut and causes the connection nut to abut against the inner wall of the second connection pipe.
As a preferable aspect of the present invention, the coupling nut is a hexagonal nut.
As a preferable scheme of the present invention, the first connection pipe and the second connection pipe are connected by a mounting component and a mounting surface, respectively; the mounting assembly comprises a screw guide sleeve and a mounting screw, wherein a connecting hole is formed in the first connecting pipe and the second connecting pipe in a penetrating mode, the screw guide sleeve is connected with the connecting hole in a clamping mode, an inner cavity for the mounting screw to penetrate through is formed in the screw guide sleeve, a through hole for the screw rod of the mounting screw to penetrate through is formed in the screw guide sleeve, and the screw rod of the mounting screw penetrates out of the through hole and is in threaded connection with a mounting surface.
As the preferable scheme of the utility model, the screw guide sleeve is provided with a clamping hook.
As a preferable scheme of the present invention, a positioning protrusion is disposed on a first end surface of the connecting member, and a positioning hole in insertion fit with the positioning protrusion is disposed on the first connecting pipe.
As a preferable aspect of the present invention, the two positioning protrusions are symmetrically disposed on both sides of the first through hole.
As a preferable scheme of the present invention, a reinforcing plate is provided in the connecting member, a second through hole through which a screw of the connecting bolt can pass is provided on the reinforcing plate, and the screw of the connecting bolt passes through the first through hole, the second through hole and the via hole in sequence and then is in threaded connection with the internal threaded hole.
As a preferable aspect of the present invention, the internal thread hole is a blind hole.
In a preferred embodiment of the present invention, the female screw hole is a through hole.
Compared with the prior art, the hidden connecting structure provided by the embodiment of the utility model has the beneficial effects that:
according to the utility model, the connecting piece is fixed on the first connecting pipe through the connecting bolt, and meanwhile, the second connecting pipe is fastened on the connecting piece through the fastening assembly, so that the first connecting pipe and the second connecting pipe of the hollow pipe structure can be mutually connected on the same plane, meanwhile, the mounting part is prevented from protruding out of the first connecting pipe and the second connecting pipe, the mounting attractiveness is ensured, and meanwhile, the first connecting pipe and the second connecting pipe are good in stability and can be detached and separated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a hidden connection structure provided in the present invention;
FIG. 2 is a coupling configuration of the mounting assembly with a second coupling tube;
FIG. 3 is a schematic structural view of the mounting assembly;
FIG. 4 is a schematic view of the installation of the concealed connection structure;
FIG. 5 is a view showing a coupling structure between a coupling member and a coupling pipe in another embodiment;
in the figure, 1 is a first connecting tube; 11 is a connecting pipe; 12 is an internal thread hole; 2 is a second connecting pipe; 21 is a mounting hole; 22 is a connecting hole; 23 is a positioning bulge; 3 is a connecting piece; 31 is a first through hole; 32 is a positioning groove; 33 is a reinforcing plate; 34 is a second through hole; 4 is a connecting bolt; 5 is a fastening component; 51 is a connecting nut; 52 is a set screw; 6 is a mounting component; 61 is a screw guide sleeve; 611 is an inner cavity; 612 is a perforation; 613 is a clamping hook; and 62 is a mounting screw.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are used only to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 5, a hidden connection structure according to a preferred embodiment of the present invention includes a first connection pipe 1, a second connection pipe 2, a connection member 3, a connection bolt 4, and a fastening assembly 5, wherein an inner cavity 611 of the first connection pipe 1 is provided with a connection pipe 11, an internal threaded hole 12 is provided in the connection pipe 11, and a through hole corresponding to the internal threaded hole 12 is provided on a pipe wall of the first connection pipe 1; a first through hole 31 is formed in the first end of the connecting piece 3, and a screw rod of the connecting bolt 4 sequentially penetrates through the first through hole 31 and the through hole and then is in threaded connection with the internal threaded hole 12; one end of the second connecting pipe 2 is sleeved on the connecting piece 3, and the connecting piece 3 is connected to the second connecting pipe 2 through the fastening component 5. The first connecting pipe 1 and the second connecting pipe 2 may be rectangular pipes, triangular pipes, or other special pipes.
Illustratively, as shown in fig. 1, the fastening assembly 5 includes a connection nut 51 and a set screw 52, a positioning groove 32 matching with the connection nut 51 in shape is provided on the connection member 3, the depth of the positioning groove 32 is greater than the thickness of the connection nut 51, the connection nut 51 is preferably a hexagonal nut, the positioning groove 32 is a hexagonal hole, a mounting hole 21 through which the set screw 52 can pass is provided on the second connection pipe 2, and the set screw 52 is in threaded connection with the connection nut 51 and enables the connection nut 51 to abut against the inner wall of the second connection pipe 2. During installation, the connecting nut 51 is firstly placed in the positioning groove 32 and positioned at the bottom of the positioning groove 32, the connecting nut 51 is limited by the positioning groove 32, cannot rotate horizontally but can move up and down, then the fastening screw 52 is screwed into the connecting nut 51, the fastening screw 52 is screwed down from the upper end of the connecting nut 51 until the bottom of the fastening screw 52 is contacted with the bottom of the positioning groove 32, and then the fastening screw is continuously screwed, in the process, because the fastening screw 52 is limited by the bottom of the positioning groove 32 and cannot continue to move down, and meanwhile, the connecting nut 51 is limited by the positioning groove 32 and cannot rotate, the connecting nut 51 can only move up, and then the connecting nut 51 is contacted with the inner wall of the second connecting pipe 2; the tight set screw 52 of screwing that does not stop, connecting nut 51's top surface offsets with second connecting tube 2 to make the bottom of connecting piece 3 support tightly with the inner wall that second connecting tube 2, thereby realize that connecting piece 3 is connected tubular product 2 effective fastening connection with the second, thereby guarantee that there is not the structure of its surface of protrusion on the second connecting tube 2, effectively hide installation adapting unit, improve pleasing to the eye degree.
For example, as shown in fig. 2 to 4, the first connecting pipe 1 and the second connecting pipe 2 are connected by a mounting component 6 and a mounting surface, respectively, where the mounting surface may be a table top; the mounting assembly 6 comprises a screw guide sleeve 61 and a mounting screw 62, the first connecting pipe 1 and the second connecting pipe 2 are provided with a connecting hole 22 in a penetrating mode, the screw guide sleeve 61 is clamped with the connecting hole 22, the screw guide sleeve 61 is internally provided with an inner cavity 611 for the mounting screw 62 to penetrate, the screw guide sleeve 61 is provided with a through hole 612 for the screw rod of the mounting screw 62 to pass through, and the screw rod of the mounting screw 62 penetrates out the through hole 612 and the mounting surface in threaded connection. The through hole 612 and the mounting hole 21 are located on the same plane, so that when the first connecting pipe 1 and the second connecting pipe 2 are connected through the mounting assembly 6 and the mounting surface respectively, the side surface provided with the mounting hole 21 in the second connecting pipe 2 can be attached to the mounting surface tightly, the mounting hole 21 is hidden, only the end part of the screw guide sleeve 61 is exposed at the first connecting pipe 1 and the second connecting pipe 2, and the attractiveness of the whole structure is improved.
Exemplarily, as shown in fig. 3, one end of the screw guide sleeve 61 is provided with a hook 613 matched with the connecting pipe, the screw guide sleeve 61 and the connecting pipe are effectively prevented from being loosened by the hook 613, and the other end of the screw guide sleeve 61 is flush with the pipe surface of the connecting pipe, so that during installation, the first connecting pipe 1 can be ensured to be tightly attached to the installation surface, and the first connecting pipe 1 is effectively fastened on the installation surface by the installation screw 62; the second connecting tube 2 can be brought into close contact with the mounting surface so that the mounting screw 62 effectively fastens the second connecting tube 2 to the mounting surface.
Exemplarily, the first end surface of the connecting member 3 is provided with two positioning protrusions 23, the two positioning protrusions 23 are symmetrically arranged on two sides of the first through hole 31, and the first connecting pipe 1 is provided with positioning holes in insertion fit with the positioning protrusions 23; the positioning protrusion 23 is used as a positioning pin to prevent the connecting member 3 from rotating after being installed, and ensures that the connecting member 3 and the first connecting pipe 1 are good in connection stability. The foremost end of the positioning bulge 23 is provided with a chamfer which is small in front and large in back and has a guiding function, and the chamfer is easy to extend into a positioning hole matched with the chamfer during installation.
Exemplarily, a reinforcing plate 33 is arranged in the connecting piece 3, a second through hole 34 through which a screw of the connecting bolt 4 can pass is arranged on the reinforcing plate 33, and the screw of the connecting bolt 4 sequentially passes through the first through hole 31, the second through hole 34 and the through hole and then is in threaded connection with the internal threaded hole 12; the reinforcing plate 33 increases the structural strength of the connecting piece 3, and can also play a role in limiting the connecting bolt 4 under the action of the second through hole 34.
Exemplarily, the end of penetrating of via hole is equipped with the chamfer, and the chamfer of via hole is big outward and little inward, has the guide effect, makes things convenient for connecting bolt 4 to twist into the internal thread hole 12 of connecting pipe 11. Meanwhile, the tail end of the connecting piece 3 is provided with a chamfer, the small front end of the rear end of the chamfer has a guiding effect, and the second connecting pipe 2 matched with the chamfer can be conveniently sleeved in.
In the present embodiment, as shown in fig. 1, the female screw hole 12 is a blind hole, and one side of the first connecting pipe 1 is connected with the second connecting pipe 2.
In another embodiment, as shown in fig. 5, the female screw hole 12 is a through hole 612, so that the second connecting pipe 2 can be connected to both sides of the female screw hole 12.
In summary, in the utility model, the connecting piece 3 is fixed on the first connecting pipe 1 through the connecting bolt 4, and the second connecting pipe 2 is fastened on the connecting piece 3 through the fastening component 5, so that the first connecting pipe 1 and the second connecting pipe 2 with hollow pipe structures can be connected with each other on the same plane, and meanwhile, the mounting parts are prevented from protruding out of the first connecting pipe 1 and the second connecting pipe 2, so that the mounting attractiveness is ensured, and meanwhile, the stability between the first connecting pipe 1 and the second connecting pipe 2 is ensured to be good.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A hidden connecting structure is characterized by comprising a first connecting pipe, a second connecting pipe, a connecting piece, a connecting bolt and a fastening assembly, wherein the inner cavity of the first connecting pipe is provided with a connecting pipe, an internal threaded hole is formed in the connecting pipe, and a through hole corresponding to the internal threaded hole is formed in the pipe wall of the first connecting pipe; a first through hole is formed in the first end of the connecting piece, and a screw rod of the connecting bolt sequentially penetrates through the first through hole and the through hole and then is in threaded connection with the internal threaded hole; one end of the second connecting pipe is sleeved on the connecting piece, and the connecting piece is connected to the second connecting pipe through the fastening assembly.
2. The concealed connecting structure according to claim 1, wherein the fastening assembly includes a connecting nut and a fastening screw, the connecting member is provided with a positioning groove matching with the connecting nut in shape, the depth of the positioning groove is greater than the thickness of the connecting nut, the second connecting pipe is provided with a mounting hole for the fastening screw to pass through, and the fastening screw is in threaded connection with the connecting nut and enables the connecting nut to abut against the inner wall of the second connecting pipe.
3. The concealed connecting structure according to claim 2, wherein the connecting nut is a hexagonal nut.
4. The concealed connecting structure according to claim 2, wherein the first connecting pipe and the second connecting pipe are connected by a mounting component and a mounting surface, respectively; the mounting assembly comprises a screw guide sleeve and a mounting screw, wherein a connecting hole is formed in the first connecting pipe and the second connecting pipe in a penetrating mode, the screw guide sleeve is connected with the connecting hole in a clamping mode, an inner cavity for the mounting screw to penetrate through is formed in the screw guide sleeve, a through hole for the screw rod of the mounting screw to penetrate through is formed in the screw guide sleeve, and the screw rod of the mounting screw penetrates out of the through hole and is in threaded connection with a mounting surface.
5. The concealed connecting structure according to claim 4, wherein the through hole is in the same plane as the mounting hole.
6. The concealed connecting structure according to claim 1, wherein the first end surface of the connecting member is provided with a positioning protrusion, and the first connecting tube is provided with a positioning hole for inserting and matching with the positioning protrusion.
7. The concealed connecting structure according to claim 6, wherein two positioning protrusions are symmetrically disposed on two sides of the first through hole.
8. The concealed connecting structure according to claim 1, wherein a reinforcing plate is provided in the connecting member, a second through hole is provided in the reinforcing plate for the screw of the connecting bolt to pass through, and the screw of the connecting bolt passes through the first through hole, the second through hole and the through hole in sequence and then is in threaded connection with the internal threaded hole.
9. The concealed connecting structure according to any one of claims 1 to 8, wherein the internally threaded hole is a blind hole.
10. The concealed connecting structure according to any one of claims 1 to 8, wherein the internally threaded hole is a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146018.2U CN216812418U (en) | 2022-01-19 | 2022-01-19 | Hidden connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146018.2U CN216812418U (en) | 2022-01-19 | 2022-01-19 | Hidden connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812418U true CN216812418U (en) | 2022-06-24 |
Family
ID=82063537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220146018.2U Active CN216812418U (en) | 2022-01-19 | 2022-01-19 | Hidden connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812418U (en) |
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2022
- 2022-01-19 CN CN202220146018.2U patent/CN216812418U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |