CN221299983U - Three-dimensional drag chain - Google Patents
Three-dimensional drag chain Download PDFInfo
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- CN221299983U CN221299983U CN202323272469.4U CN202323272469U CN221299983U CN 221299983 U CN221299983 U CN 221299983U CN 202323272469 U CN202323272469 U CN 202323272469U CN 221299983 U CN221299983 U CN 221299983U
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- drag chain
- connection
- dimensional drag
- hole
- chain according
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- 238000009434 installation Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a three-dimensional drag chain, comprising: the chain link is provided with an inner support and an outer support, the outer support is arranged around the inner support, the inner support is provided with a first connecting block and a second connecting block which are arranged in opposite directions, the first connecting blocks are provided with two and are parallel to each other, the first connecting blocks are provided with first connecting holes, the second connecting blocks are provided with second connecting holes, the second connecting block of the former chain link can be inserted between the two first connecting blocks of the latter chain link, and the first connecting holes correspond to the second connecting holes; the fixing pin is inserted into the first connecting hole and the second connecting hole. The three-dimensional drag chain provided by the utility model improves the structure for connecting the chain links, so that the production die is simpler, and the installation between the chain links is more convenient.
Description
Technical Field
The utility model relates to the technical field of automatic equipment, in particular to a three-dimensional drag chain.
Background
In the prior art, for example, patent CN105313140B discloses a three-dimensional drag chain of a robot, the chain links of the three-dimensional drag chain are generally assembled together by arranging spherical protruding columns, the spherical protruding columns and the chain links are integrally formed through injection molding, the production mould of the chain links with the structure is complex, and the mould stripping is difficult, meanwhile, the spherical protruding columns of the chain links need to exert larger force during installation, and the installation is difficult.
Therefore, there is a need to study a three-dimensional drag chain to solve the technical problems existing in the prior art.
Disclosure of utility model
The utility model aims to solve the technical problems of difficult production and difficult installation of the three-dimensional drag chain in the prior art. Therefore, the utility model provides the three-dimensional drag chain, which is simple in production die and convenient to install between chain links.
A three-dimensional drag chain according to an embodiment of the first aspect of the present utility model includes:
The chain link is provided with an inner support and an outer support, the outer support is arranged around the inner support, the inner support is provided with a first connecting block and a second connecting block which are arranged in opposite directions, the first connecting blocks are provided with two and are parallel to each other, the first connecting blocks are provided with first connecting holes, the second connecting blocks are provided with second connecting holes, the second connecting block of the former chain link can be inserted between the two first connecting blocks of the latter chain link, and the first connecting holes correspond to the second connecting holes;
the fixing pin is inserted into the first connecting hole and the second connecting hole.
The three-dimensional drag chain provided by the embodiment of the utility model has at least the following beneficial effects: the structure that is used for connecting between the improved chain link of three-dimensional tow chain, specifically, the inner support one side of chain link is provided with two parallel first connecting blocks, and the inner support opposite side of chain link is provided with a second connecting block, and the second connecting block of preceding chain link can insert between two first connecting blocks of following chain link to link together first connecting block and second connecting block through the fixed pin, simplified the structure of chain link, make production mould simpler, and install more conveniently between the chain link.
According to some embodiments of the utility model, the fixing pin is provided with a spherical structure, the spherical structure is located in the second connecting hole, the fixing pin is provided with a limiting part, the first connecting block is provided with a clamping groove, the clamping groove is located at the edge of the first connecting hole, and the limiting part is clamped into the clamping groove.
According to some embodiments of the utility model, the first connecting holes are formed in the two first connecting blocks, the limiting portions are formed in two ends of the fixing pin, and the diameter of one end of each limiting portion, close to the spherical structure, is larger than that of one end, far away from the spherical structure.
According to some embodiments of the utility model, the two first connecting holes are sized one by one, and the diameter of the first connecting hole of the large size is equal to the diameter of the spherical structure.
According to some embodiments of the utility model, a first arc-shaped step is provided on an inner side of the first connection block and at an edge of the first connection hole.
According to some embodiments of the utility model, a second arc-shaped step is provided on the outer side of the first connecting block and at the edge of the first connecting hole.
According to some embodiments of the utility model, the inner support is further provided with a release hole.
According to some embodiments of the utility model, the thickness of the second connection block is smaller than the distance between the two first connection blocks.
According to some embodiments of the utility model, the outer support is a ring-shaped structure.
According to some embodiments of the utility model, the edge of the outer bracket is provided with a plug-in part, and the former outer bracket can be snapped into the inner wall of the latter outer bracket through the plug-in part.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic illustration of a three-dimensional tow chain according to one embodiment of the present utility model;
FIG. 2 is a top view of the three-dimensional drag chain shown in FIG. 1;
FIG. 3 is a cross-sectional view of the three-dimensional drag chain shown in FIG. 2;
Fig. 4 is a partial enlarged view of a shown in fig. 3;
FIG. 5 is a schematic view of a link of the three-dimensional drag chain shown in FIG. 1;
Fig. 6 is a schematic view of a link of another embodiment of the present utility model.
Reference numerals:
The chain link 100, the inner bracket 200, the first connection block 210, the first connection hole 211, the first arc-shaped step 212, the second arc-shaped step 213, the second connection block 220, the second connection hole 221, the demolding hole 230, the clamping groove 240, the outer bracket 300, the annular structure 310, the inserting portion 311, the fixing pin 400, the spherical structure 410 and the limiting portion 420.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the prior art, for example, patent CN105313140B discloses a three-dimensional drag chain of a robot, the chain links of the three-dimensional drag chain are generally assembled together by arranging spherical protruding columns, the spherical protruding columns and the chain links are integrally formed through injection molding, the production mould of the chain links with the structure is complex, and the mould stripping is difficult, meanwhile, the spherical protruding columns of the chain links need to exert larger force during installation, and the installation is difficult.
Aiming at the technical problems in the prior art, the utility model provides a three-dimensional drag chain, which improves the structure for connection between chain links, in particular, one side of an inner bracket of a chain link is provided with two parallel first connecting blocks, the other side of the inner bracket of the chain link is provided with a second connecting block, the second connecting block of the former chain link can be inserted between the two first connecting blocks of the latter chain link, and the first connecting blocks and the second connecting blocks are connected through fixing pins, so that the structure of the chain link is simplified, the production mould is simpler, and the installation between the chain links is more convenient.
Referring to fig. 1 to 6, it can be understood that the three-dimensional drag chain provided in the embodiment of the present utility model includes a link 100 and a fixing pin 400, specifically, the link 100 is provided with an inner bracket 200 and an outer bracket 300, the outer bracket 300 is disposed around the outside of the inner bracket 200, the inner bracket 200 is provided with a first connection block 210 and a second connection block 220 which are disposed in opposite directions, the first connection block 210 is provided with two and parallel to each other, the second connection block 220 is provided with one, the first connection block 210 is provided with a first connection hole 211, the second connection block 220 is provided with a second connection hole 221, the second connection block 220 of the previous link 100 can be inserted between the two first connection blocks 210 of the next link 100, and the fixing pin 400 is inserted into the first connection hole 211 and the second connection hole 221 corresponding to the position of the second connection hole 221, so as to achieve connection of the front and rear links 100. The chain links 100 do not need to be provided with spherical convex columns, so that the production die is simplified, the demolding is simpler, the spherical convex columns do not need to be extruded when the chain links 100 are arranged, the labor is saved, and the installation is convenient.
It should be noted that, after the two chain links 100 are installed, the spherical structure 410 is located in the second connecting hole 221, the fixing pin 400 is provided with a limiting portion 420, the first connecting block 210 is provided with a clamping groove 240, the clamping groove 240 is located at an edge of the first connecting hole 211, and the limiting portion 420 is clamped into the clamping groove 240 to limit the fixing pin 400. In some embodiments, as shown in fig. 6, the two first connection blocks 210 only need to be provided with the first connection hole 211 on one of the first connection blocks 210, the fixing pin 400 only needs to be provided with the limit part 420 on one end, the fixing pin 400 is directly inserted into the first connection hole 211 and the second connection hole 221, and then the limit part 420 is clamped into the clamping groove 240 to achieve fixation.
Further, in order to enhance the fixing effect of the fixing pin 400, the structure of the link 100 is further improved in order to prevent the fixing pin 400 from falling off due to the rotation of the link 100. Specifically, as shown in fig. 1 to 5, the two first connection blocks 210 are each provided with a first connection hole 211, and both ends of the fixing pin 400 are each provided with a limiting portion 420, and a diameter of one end of the limiting portion 420, which is close to the spherical structure 410, is larger than a diameter of one end, which is far away from the spherical structure 410. When the fixing pin 400 is installed, the fixing pin 400 is pressed, the limiting part 420 at one end sequentially penetrates through the first connecting hole 211 and the second connecting hole 221, and both ends of the fixing pin 400 are limited by the limiting part 420, so that fixing is realized. In addition, the two first connecting holes 211 may be configured to have a size equal to the diameter of the spherical structure 410, so that the stability of the fixing pin 400 after installation is improved.
In order to make the spherical structure 410 of the fixing pin 400 rotate more freely in the first and second mounting holes, the first arc-shaped step 212 is provided on the inner side of the first connection block 210 at the edge of the first connection hole 211, and the second arc-shaped step 213 is provided on the outer side of the first connection block 210 at the edge of the first connection hole 211.
It should be noted that, the inner bracket 200 is provided with a demolding hole 230, and the demolding hole 230 facilitates demolding of the chain link 100 after injection molding. The thickness of the second connection block 220 is smaller than the distance between the two first connection blocks 210, so that the drag chain still has a certain rotation angle in the length direction of the fixing pin 400. In addition, the outer bracket 300 has a circular structure 310, and at the same time, the edge of the outer bracket 300 is provided with a plugging portion 311, and the former outer bracket 300 can be snapped into the inner wall of the latter outer bracket 300 through the plugging portion 311.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A three-dimensional drag chain, comprising:
The chain link (100) is provided with an inner support (200) and an outer support (300), the outer support (300) is arranged around the inner support (200), the inner support (200) is provided with a first connecting block (210) and a second connecting block (220) which are arranged in opposite directions, the first connecting blocks (210) are provided with two and are parallel to each other, the first connecting blocks (210) are provided with first connecting holes (211), the second connecting blocks (220) are provided with second connecting holes (221), the second connecting block (220) of the former chain link (100) can be inserted between the two first connecting blocks (210) of the latter chain link (100), and the first connecting holes (211) correspond to the second connecting holes (221);
And a fixing pin (400) inserted into the first connection hole (211) and the second connection hole (221).
2. The three-dimensional drag chain according to claim 1, wherein the fixing pin (400) is provided with a spherical structure (410), the spherical structure (410) is located in the second connecting hole (221), the fixing pin (400) is provided with a limiting portion (420), the first connecting block (210) is provided with a clamping groove (240), the clamping groove (240) is located at the edge of the first connecting hole (211), and the limiting portion (420) is clamped into the clamping groove (240).
3. The three-dimensional drag chain according to claim 2, wherein the first connecting holes (211) are provided on both first connecting blocks (210), the limit portions (420) are provided on both ends of the fixing pin (400), and a diameter of one end of the limit portion (420) close to the spherical structure (410) is larger than a diameter of one end far from the spherical structure (410).
4. A three-dimensional drag chain according to claim 3, characterized in that the two first connection holes (211) are sized one by one, the diameter of the first connection holes (211) of large size being equal to the diameter of the spherical structure (410).
5. A three-dimensional drag chain according to claim 2, characterized in that the inner side of the first connection block (210) and at the edge of the first connection hole (211) is provided with a first arc-shaped step (212).
6. A three-dimensional drag chain according to claim 2, characterized in that the outer side of the first connection block (210) and at the edge of the first connection hole (211) is provided with a second arc-shaped step (213).
7. A three-dimensional drag chain according to claim 1, characterized in that the inner bracket (200) is further provided with a release hole (230).
8. A three-dimensional drag chain according to claim 1, characterized in that the thickness of the second connection block (220) is smaller than the distance between two of the first connection blocks (210).
9. A three-dimensional drag chain according to claim 1, characterized in that the outer bracket (300) is a circular ring-shaped structure (310).
10. A three-dimensional drag chain according to claim 1, characterized in that the edge of the outer bracket (300) is provided with a plug-in part (311), the former outer bracket (300) being able to be snapped into the inner wall of the latter outer bracket (300) by means of the plug-in part (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323272469.4U CN221299983U (en) | 2023-11-30 | 2023-11-30 | Three-dimensional drag chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323272469.4U CN221299983U (en) | 2023-11-30 | 2023-11-30 | Three-dimensional drag chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299983U true CN221299983U (en) | 2024-07-09 |
Family
ID=91755567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323272469.4U Active CN221299983U (en) | 2023-11-30 | 2023-11-30 | Three-dimensional drag chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299983U (en) |
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2023
- 2023-11-30 CN CN202323272469.4U patent/CN221299983U/en active Active
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