CN217609983U - Connecting frame - Google Patents
Connecting frame Download PDFInfo
- Publication number
- CN217609983U CN217609983U CN202221828233.7U CN202221828233U CN217609983U CN 217609983 U CN217609983 U CN 217609983U CN 202221828233 U CN202221828233 U CN 202221828233U CN 217609983 U CN217609983 U CN 217609983U
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- CN
- China
- Prior art keywords
- rotating
- frame
- connecting frame
- rotating part
- rotating portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000002991 molded plastic Substances 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
The utility model discloses a connecting frame, which comprises a back frame, a left frame and a right frame, wherein the left frame and the right frame extend from two ends of the back frame to the same side; the back frame is provided with a first rotating portion and a second rotating portion, the left frame is provided with a third rotating portion, and the right frame is provided with a fourth rotating portion. The first rotating part and the second rotating part of the connecting frame are used for being rotatably connected with the back plate, the third rotating part is used for being rotatably connected with a left side plate, and the fourth rotating part is used for being rotatably connected with a right side plate. The connecting frame is provided with a large number of rotating structures, and the folding bookshelf using the connecting frame only needs to be matched and correspondingly installed, so that the number of elements is reduced, and the structural complexity of the folding bookshelf is reduced. In addition, the folding bookshelf using the connecting frame is more convenient to install.
Description
Technical Field
The utility model relates to a connecting frame.
Background
As a common tool, the bookshelf usually occupies a large area and is relatively heavy.
Small bookshelves designed for students and the like are now available, which can be placed at the desk.
The conventional bookshelf placed beside a desk usually does not have a folding and accommodating function, so that the bookshelf is poor in portability.
In order to improve the portability of the bookshelf, the foldable bookshelf is produced. In order to realize the folding function, the folding bookshelf usually needs a lot of rotating structures, which results in a complex structure of the folding bookshelf.
SUMMERY OF THE UTILITY MODEL
Based on this, there is a need for a connection frame that can solve the above problems.
A connecting frame comprises a back frame, a left side frame and a right side frame, wherein the left side frame and the right side frame extend to the same side from two ends of the back frame;
the back frame is provided with a first rotating part and a second rotating part, the left side frame is provided with a third rotating part, and the right side frame is provided with a fourth rotating part;
the first rotating part is used for being connected with a backboard in a rotating mode, the second rotating part is used for being connected with the other backboard in a rotating mode, the third rotating part is used for being connected with a left side plate in a rotating mode, and the fourth rotating part is used for being connected with a right side plate in a rotating mode.
In one embodiment, the left frame is further provided with a first buckling part used for buckling and matching with the other left board, and the inner side of the right frame is provided with a second buckling part used for buckling and matching with the other right board.
In one embodiment, the number of the third rotating parts is two, the number of the first buckling parts is one, and the projection of one first buckling part in the thickness direction of the connecting frame is located between the two third rotating parts;
or, the number of the third rotating parts is one, the number of the first buckling parts is two, and the projection of one third rotating part in the thickness direction of the connecting frame is located between the two first buckling parts.
In one embodiment, the number of the fourth rotating parts is two, the number of the second buckling parts is one, and the projection of one second buckling part in the thickness direction of the connecting frame is located between the two fourth rotating parts;
the number of the fourth rotating parts is one, the number of the second buckling parts is two, and the projection of one fourth rotating part in the thickness direction of the connecting frame is located between the two second buckling parts.
In one embodiment, the third rotating portion and the fourth rotating portion are both rotating slots matched with the rotating shaft.
In one embodiment, the first buckling part and the second buckling part are both buckling protrusions.
In one embodiment, the first rotating portion, the second rotating portion, the third rotating portion, the fourth rotating portion, the first fastening portion and the second fastening portion are all located on the inner side of the connecting frame.
In one embodiment, the connecting frame is a plastic member integrally formed by injection molding.
In one embodiment, the first rotating portion and the second rotating portion are both rotating slots matched with the rotating shaft on the back plate.
In one embodiment, the number of the first rotating parts and the number of the second rotating parts are at least two, and at least two of the first rotating parts and at least two of the second rotating parts are staggered up and down.
The first rotating part and the second rotating part of the connecting frame are both used for being rotationally connected with the back plate, the third rotating part is used for being rotationally connected with a left side plate, and the fourth rotating part is used for being rotationally connected with a right side plate.
The connecting frame is provided with a large number of rotating structures, and the folding bookshelf using the connecting frame only needs to be correspondingly installed in a matching way, so that the number of elements is reduced, and the structural complexity of the folding bookshelf is reduced.
In addition, the folding bookshelf using the connecting frame is more convenient to install.
Drawings
Fig. 1 is a structural diagram of one direction of a connection frame according to an embodiment.
Fig. 2 is a structural view illustrating one direction of the connection frame shown in fig. 1.
Fig. 3 is a schematic view showing a use state of the connection frame shown in fig. 1.
Fig. 4 is an exploded view showing a use state of the connection frame shown in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
The connection frame 100 of one embodiment shown in fig. 1 and 2 includes a back frame 120 and left and right frames 140 and 160 extending from both ends of the back frame 120 to the same side.
The back frame 120 is provided with a first rotating portion 122 and a second rotating portion 124, the left frame 140 is provided with a third rotating portion 146, and the right frame 160 is provided with a fourth rotating portion 166.
Referring to fig. 3 and 4, the first rotating portion 122 is configured to be rotatably connected to one backboard 200, the second rotating portion 124 is configured to be rotatably connected to another backboard 200, the third rotating portion 146 is configured to be rotatably connected to a left side board 400, and the fourth rotating portion 166 is configured to be rotatably connected to a right side board 500.
The first and second rotating portions 122 and 124 of the connecting frame 100 are used for rotatably connecting with the backboard 200, the third rotating portion 146 is used for rotatably connecting with the left side board 400, and the fourth rotating portion 166 is used for rotatably connecting with the right side board 500.
The connection frame 100 is provided with a plurality of rotating structures, and the folding bookshelf using the connection frame 100 only needs to be correspondingly installed in a matching way, so that the number of elements is reduced, and the structural complexity of the folding bookshelf is reduced.
In addition, the folding bookcase using such a coupling frame 100 is more convenient to install.
Specifically, referring to fig. 3 and 4, both backplates 200 are pivotally connected to the back frame 120.
In the present embodiment, the left and right frames 140 and 160 are parallel to each other, and the left bezel 140 is perpendicular to the back bezel 120.
In other embodiments, the specific setting may also be according to actual needs.
More preferably, the left frame 140 is provided at an inner side thereof with a first catching portion 148 to be snap-fitted with the left side plate 400, and the right frame 160 is provided at an inner side thereof with a second catching portion 168 to be snap-fitted with the right side plate 500.
In the present embodiment, referring to the drawings, the top of the left side plate 400 is provided with a first rotating shaft 420 engaged with the third rotating portion 146. Accordingly, the top of the right plate 500 is also provided with a second rotating shaft 520 engaged with the fourth rotating portion 166.
Referring to the drawings, in the present embodiment, a first locking groove 440 engaged with the first locking portion 148 is disposed at the bottom of the left side plate 400. Correspondingly, the bottom of the right plate 500 is also provided with a second locking groove (not shown) engaged with the second locking portion 168.
The third rotating part 146 and the first buckling part 148 are matched, so that the left side plate 400 can be better installed and fixed.
The right side plate 500 can be better fixed by the cooperation of the fourth rotating part 166 and the second buckling part 168.
In the present embodiment, there are two third rotating portions 146, one first locking portion 148, and a projection of one first locking portion 148 in the thickness direction of the connection frame 100 falls in the middle of the two third rotating portions 146.
In another embodiment, one third rotating portion 146 may be provided, two first locking portions 148 may be provided, and a projection of the one third rotating portion 146 in the thickness direction of the connection frame 100 may fall between the two first locking portions 148.
In the present embodiment, there are two fourth rotating portions 166, one second latching portion 168 is provided, and a projection of one second latching portion 168 in the thickness direction of the connection frame 100 falls between the two fourth rotating portions 166.
In another embodiment, one fourth turning portion 166 may be provided, two second latching portions 168 may be provided, and a projection of the one fourth turning portion 166 in the thickness direction of the connection frame 100 may fall between the two second latching portions 168.
With reference to the drawings, in the present embodiment, the third rotating portion 146 and the fourth rotating portion 166 are both rotating slots matching with the rotating shaft.
With reference to the drawings, in the present embodiment, the first locking portion 148 and the second locking portion 168 are both locking protrusions.
Preferably, in the present embodiment, with reference to the drawings, the first rotating portion 122, the second rotating portion 124, the third rotating portion 146, and the fourth rotating portion 166 are all located inside the connecting frame 100.
More preferably, in the present embodiment, with reference to the drawings, the first rotating portion 122 is located above the second rotating portion 124, the third rotating portion 146 is located below the first latching portion 148, and the fourth rotating portion 166 is located below the second latching portion 168.
The up-and-down arrangement can avoid the interference of different external elements connected in the up-and-down direction when the external elements rotate.
Preferably, in the present embodiment, the connection frame 100 is a plastic member integrally formed by injection molding.
The connecting frame 100 is an integral injection molded plastic part, which is convenient and fast to process and has low cost, and on the other hand, the number of components is greatly reduced, and the assembly difficulty is reduced.
Preferably, in the present embodiment, each of the first rotating portion 122 and the second rotating portion 124 is at least two, and at least two of the first rotating portion 122 and at least two of the second rotating portion 124 are alternately disposed.
This arrangement further avoids interference with the outer members when they are rotated.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A connecting frame is characterized by comprising a back frame, a left side frame and a right side frame, wherein the left side frame and the right side frame extend from two ends of the back frame to the same side;
the back frame is provided with a first rotating part and a second rotating part, the left side frame is provided with a third rotating part, and the right side frame is provided with a fourth rotating part;
the first rotating part is used for being connected with a backboard in a rotating mode, the second rotating part is used for being connected with the other backboard in a rotating mode, the third rotating part is used for being connected with a left side plate in a rotating mode, and the fourth rotating part is used for being connected with a right side plate in a rotating mode.
2. The connecting frame according to claim 1, wherein the left frame further has a first fastening portion for fastening with another left board, and the right frame has a second fastening portion for fastening with another right board.
3. The connecting frame according to claim 2, wherein there are two third rotating portions, there is one first latching portion, and a projection of the one first latching portion in a thickness direction of the connecting frame falls between the two third rotating portions;
or, the number of the third rotating parts is one, the number of the first buckling parts is two, and the projection of the third rotating part in the thickness direction of the connecting frame is located between the two first buckling parts.
4. The connecting frame according to claim 3, wherein there are two fourth rotating portions, there is one second latching portion, and a projection of the one second latching portion in a thickness direction of the connecting frame falls in a middle of the two fourth rotating portions;
the number of the fourth rotating parts is one, the number of the second buckling parts is two, and the projection of one fourth rotating part in the thickness direction of the connecting frame is located between the two second buckling parts.
5. The connection frame according to claim 4, wherein the third and fourth rotating portions are each a rotating slot that mates with a rotating shaft.
6. The connecting frame of claim 5, wherein the first snap-fit portion and the second snap-fit portion are both snap-fits.
7. The connection frame according to claim 6, wherein the first rotation portion, the second rotation portion, the third rotation portion, the fourth rotation portion, the first latching portion, and the second latching portion are all located inside the connection frame.
8. The linking frame of any of claims 1-7, wherein the linking frame is a one-piece injection molded plastic part.
9. The connection frame of claim 8, wherein the first and second rotating portions are each a rotating slot that mates with a rotating shaft on the back plate.
10. The connection frame according to claim 9, wherein the first rotation portion and the second rotation portion are at least two, and at least two of the first rotation portion and at least two of the second rotation portion are staggered up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221828233.7U CN217609983U (en) | 2022-07-15 | 2022-07-15 | Connecting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221828233.7U CN217609983U (en) | 2022-07-15 | 2022-07-15 | Connecting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217609983U true CN217609983U (en) | 2022-10-21 |
Family
ID=83635734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221828233.7U Expired - Fee Related CN217609983U (en) | 2022-07-15 | 2022-07-15 | Connecting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217609983U (en) |
-
2022
- 2022-07-15 CN CN202221828233.7U patent/CN217609983U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221021 |