CN214465340U

CN214465340U - Plastic support that can splice

Info

Publication number: CN214465340U
Application number: CN202120067714.XU
Authority: CN
Inventors: 邱慎辉
Original assignee: Ningde Yilian Electronics Co ltd
Current assignee: Ningde Yilian Electronics Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-10-22
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a splicing plastic support, which comprises a support body, wherein the support body comprises an insertion part and a matching part, and the insertion part is detachably connected with the matching part in a splicing way; the inserting part comprises a splicing buckle inserting end, a first guide post and a guide groove, the middle part of the inserting part is transversely provided with the guide groove, the upper part and the lower part of the inserting part are symmetrical about the guide groove, the upper end of the guide groove is transversely provided with the first guide post, the splicing buckle inserting end is arranged above the first guide post, and the bottom surface of the splicing buckle inserting end is provided with a first limiting plate; the cooperation portion includes concatenation buckle cooperation end, No. two guide posts, and the middle part of cooperation portion transversely is provided with No. two guide posts, and the upper portion of cooperation portion, lower part are provided with concatenation buckle cooperation end about No. two guide post symmetries, the top of No. two guide posts. The utility model discloses not only the shaping is easy, and the mould is with low costs moreover, has promoted the productivity simultaneously, has reduced the defective rate, has extensive suitability.

Description

Plastic support that can splice

Technical Field

The utility model relates to a plastic support especially relates to a plastic support that can splice.

Background

The injection molding part is one of the important parts of the CCS (battery connecting system) and plays roles in insulation, fixation and protection. Compared with metal materials, the high-strength high-. Generally, the resin composition is injection molded from plastic particles PP + GF20, PC + ABS, or the like. With the change of cell grouping, the conventional 355 and 590 modules have shifted to a larger and longer cell grouping, such as ctp (cells to pack). Single module CCS (battery connection system) uses a monolithic integrated plastic support to insulate, fix and protect components, whereas integrated circuit boards using monolithic plastic supports have not met the use requirements.

The existing large-size CCS plastic support injection molding film is difficult to manufacture and injection mold, and the large-size CCS has the defects of high plastic support molding difficulty, high mold cost, various mold types, high mold development difficulty, low mold manufacturability, low product consistency, high reject ratio and the like. At present, a large-size plastic support is replaced by a PC (polycarbonate) plastic sucking/hot-pressing film hot-pressing mode in the market, and the defects that the precision of PC plastic sucking is insufficient, and the module is short-circuited due to the residual particles such as condensate, welding slag and the like in Pack exist. The hot pressing of the hot pressing film has the defects of large equipment investment, large tooling investment and large energy consumption, and the standardized design can not be carried out according to the size of the battery cell; the low-pressure sampling system needs to reselect high-temperature-resistant materials; the risk that the output electrode burrs pierce the hot-pressed film needs to be considered; the NTC protective adhesive is easy to peel off under high temperature, the productivity is low, the support performance is not good, and the like. Therefore, a new plastic bracket is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a plastic bracket which can be spliced.

In order to solve the technical problem, the utility model discloses a technical scheme is: a splicing plastic support comprises a support body, wherein the support body comprises an insertion part and a matching part, and the insertion part is detachably connected with the matching part in an insertion mode;

the inserting part comprises a splicing buckle inserting end, a first guide post and a guide groove, the middle part of the inserting part is transversely provided with the guide groove, the upper part and the lower part of the inserting part are symmetrical about the guide groove, the upper end of the guide groove is transversely provided with the first guide post, the splicing buckle inserting end is arranged above the first guide post, the bottom surface of the splicing buckle inserting end is provided with a first limiting plate, a first cavity is arranged between the splicing buckle inserting end and the first guide post, and the inserting part is spliced and connected with the matching part through the splicing buckle inserting end;

the cooperation portion includes concatenation buckle cooperation end, No. two guide posts, and the middle part of cooperation portion transversely is provided with No. two guide posts, and upper portion, the lower part of cooperation portion are about No. two guide post symmetries, and the top of No. two guide posts is provided with concatenation buckle cooperation end, is provided with No. two cavities between No. two guide posts and the concatenation buckle cooperation end, and the top of concatenation buckle cooperation end is provided with No. two upper limiting plate, the below correspondence is provided with No. two lower limiting plate.

Furthermore, the guide way is the rectangular channel, and No. two guide posts are trapezoidal elongated plate for the left end, and No. two guide posts are inserted in the guide way, and No. two guide posts's width is less than the width of guide way.

Furthermore, the right end of the first guide post is a trapezoidal long post, the first guide post is correspondingly inserted into the second cavity, and the width of the first guide post is smaller than that of the second cavity.

Further, the insertion portion is spliced and connected with the splicing buckle matching end of the matching portion through the splicing buckle insertion end.

Further, the inserting end of the splicing buckle is provided with an inserting groove towards the middle of the side face of the first guide column, the right end of the inserting groove is provided with a matching lug towards the first guide column, the matching end of the splicing buckle is provided with a U-shaped matching groove towards the middle of the side face of the second upper limiting plate correspondingly, the left end of the U-shaped matching groove is provided with an inserting lug towards the second upper limiting plate, the inserting lug is inserted in the inserting groove in a matching mode, and the matching lug is inserted in the U-shaped matching groove.

Further, the end is inserted to the concatenation buckle, a guide post all is located the surface of a limiting plate, and upper end, the lower extreme symmetry of a limiting plate are provided with L type side, and No. two go up the limiting plate, No. two lower limiting plates match respectively with a limiting plate and meet.

The utility model discloses not only the shaping is easy, and the mould is with low costs, adopts the concatenation of plastic support moreover, reduces production manufacturing cost, has promoted the productivity simultaneously, has reduced the defective rate, has extensive suitability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the insertion portion.

Fig. 3 is a schematic structural view of the mating portion.

In the figure: 1. an insertion portion; 2. a fitting portion; 11. splicing the buckle insertion ends; 12. a first guide post; 13. A guide groove; 14. a first limiting plate; 15. a first cavity; 21. splicing the buckle matching ends; 22. a second guide post; 23. a second upper limiting plate; 24. a cavity II; 25. and a second lower limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The splicing plastic bracket shown in fig. 1 comprises a bracket body, wherein the bracket body comprises an insertion part 1 and a matching part 2, and the insertion part 1 is detachably connected with the matching part 2 in an insertion manner; the support body adopts the unit construction concatenation mode in groups, through to inserting formula buckle, reaches plastic support interconnect's purpose.

As shown in fig. 2, the insertion portion 1 includes a splicing buckle insertion end 11, a first guide post 12 and a guide groove 13, the guide groove 13 is transversely formed in the middle of the insertion portion 1, the upper portion and the lower portion of the insertion portion 1 are symmetrical with respect to the guide groove 13, the first guide post 12 is transversely arranged at the upper end of the guide groove 13, the splicing buckle insertion end 11 is arranged above the first guide post 12, a first limit plate 14 is arranged on the bottom surface of the splicing buckle insertion end 11, a first cavity 15 is arranged between the splicing buckle insertion end 11 and the first guide post 12, and the insertion portion 1 is spliced and connected with the matching portion 2 through the splicing buckle insertion end 11; the insertion part 1 is spliced and connected with the splicing buckle matching end 21 of the matching part 2 through the splicing buckle insertion end 11, so that the movement in the X direction and the rotation of the Z axis are limited.

As shown in fig. 3, the matching portion 2 includes a splicing buckle matching end 21 and a second guide post 22, the middle of the matching portion 2 is transversely provided with the second guide post 22, the upper portion and the lower portion of the matching portion 2 are symmetrical about the second guide post 22, the splicing buckle matching end 21 is arranged above the second guide post 22, a second cavity 24 is arranged between the second guide post 22 and the splicing buckle matching end 21, the upper limiting plate 23 is arranged above the splicing buckle matching end 21, and the lower limiting plate 25 is correspondingly arranged below the upper limiting plate 23.

The guide way 13 is the rectangular channel, and No. two guide post 22 is trapezoidal elongated plate for the left end, and No. two guide post 22 are inserted and are arranged in guide way 13, and No. two guide post 22's width is less than the width of guide way 13. The guide groove 13 and the second guide post 22 realize the assembly guide function, ensure the assembly smoothness and precision, and limit the moving freedom degree in the Y direction.

The first guide post 12 is a long post with a trapezoidal right end, the first guide post 12 is correspondingly inserted into the second cavity 24, and the width of the first guide post 12 is smaller than that of the second cavity 24. The assembly guiding function is realized through the first guide column 12 and the second cavity 24, so that the assembly smoothness and accuracy are ensured, and the moving freedom degree in the Y direction is limited.

Inserting end 11 has seted up the inserting groove towards the side middle part of guide post 12, the right-hand member of inserting groove is provided with the cooperation lug towards guide post 12, the side middle part correspondence of splice buckle cooperation end 21 orientation No. two spacing boards 23 has seted up U type cooperation groove, the left end in U type cooperation groove is provided with the grafting lug towards No. two spacing boards 23, the grafting lug has been inserted in the inserting groove internal match, the cooperation lug has been put in the U type cooperation inslot.

Splice buckle insert end 11, guide post 12 all are located the surface of limiting plate 14, and upper end, the lower extreme symmetry of limiting plate 14 are provided with L type side, and No. two go up limiting plate 23, No. two lower limiting plate 25 and match with limiting plate 14 respectively and meet.

The utility model discloses a buckle tie point realizes the anticreep, mainly realizes through following structure:

1. buckle connection structure: the splicing buckle insertion end 11 is matched with the splicing buckle matching end 21 through a buckle structure to splice and limit the movement in the X direction and the rotation of the Z axis; as shown in fig. 1, the insertion groove is inserted with an insertion projection, and the U-shaped mating groove is inserted with a mating projection.

2. The guide post structure: the assembly guiding function is realized through the first guide post 12, the second cavity 24, the guide groove 13 and the second guide post 22, the assembly smoothness and the assembly precision are ensured, and the moving freedom degree in the Y direction is limited;

3. limit structure from top to bottom: the assembly in the Z-axis direction is ensured through the upper and lower limiting structures, and the assembly plane in the height direction is ensured; simultaneously limiting the freedom degrees of movement in the Z direction and X/Y rotation direction; namely, the second upper limiting plate 23 and the second lower limiting plate 25 are respectively connected with the first limiting plate 14 in a matching way.

In conclusion, the splicing assembly of the bracket body and the anti-dropping and self-locking functions of the connecting points are realized.

The utility model discloses a plastics support concatenation mode replaces jumbo size injection moulding, compares with prior art, has following advantage:

1) the development cost of a large mold is reduced, the manufacturability of the mold is improved, and the problem of difficult injection molding is solved;

2) the consistency of injection products is improved, the molding reject ratio is reduced, and the manufacturing cost is reduced;

3) the concatenation mode makes plastic support have the expansibility, and the not unidimensional plastic support is realized to the concatenation quantity that the accessible is different.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. The utility model provides a plastics support that can splice, includes the support body, its characterized in that: the bracket body comprises an insertion part (1) and a matching part (2), wherein the insertion part (1) is detachably connected with the matching part (2) in an insertion mode;

the inserting portion (1) comprises a splicing buckle inserting end (11), a first guide post (12) and a guide groove (13), the guide groove (13) is transversely formed in the middle of the inserting portion (1), the upper portion and the lower portion of the inserting portion (1) are symmetrical about the guide groove (13), the first guide post (12) is transversely arranged at the upper end of the guide groove (13), the splicing buckle inserting end (11) is arranged above the first guide post (12), a first limiting plate (14) is arranged on the bottom surface of the splicing buckle inserting end (11), a first cavity (15) is arranged between the splicing buckle inserting end (11) and the first guide post (12), and the inserting portion (1) is spliced and connected with the matching portion (2) through the splicing buckle inserting end (11);

cooperation portion (2) are including concatenation buckle cooperation end (21), No. two guide posts (22), and the middle part of cooperation portion (2) transversely is provided with No. two guide posts (22), and upper portion, the lower part of cooperation portion (2) are about No. two guide posts (22) symmetry, the top of No. two guide posts (22) is provided with concatenation buckle cooperation end (21), is provided with No. two cavities (24) between No. two guide posts (22) and concatenation buckle cooperation end (21), the top of concatenation buckle cooperation end (21) is provided with No. two upper limit boards (23), the below correspondence is provided with No. two lower limiting board (25).

2. The spliceable plastic rack according to claim 1, wherein: guide way (13) are the rectangular channel, No. two guide post (22) are trapezoidal elongated plate for the left end, and No. two guide post (22) are inserted and are arranged in guide way (13), and the width of No. two guide post (22) is less than the width of guide way (13).

3. The spliceable plastic rack according to claim 2, wherein: the first guide post (12) is a long post with the right end being trapezoidal, the first guide post (12) is correspondingly inserted into the second cavity (24), and the width of the first guide post (12) is smaller than that of the second cavity (24).

4. The spliceable plastic rack according to claim 3, wherein: the inserting portion (1) is spliced and connected with a splicing buckle matching end (21) of the matching portion (2) through a splicing buckle inserting end (11).

5. The spliceable plastic rack according to claim 4, wherein: splicing buckle inserts end (11) and has seted up the inserting groove towards the side middle part of guide post (12) No. one, the right-hand member of inserting groove is provided with the cooperation lug towards guide post (12) No. one, splicing buckle cooperation end (21) correspond towards the side middle part of limiting plate (23) on No. two and has seted up U type cooperation groove, the left end in U type cooperation groove is provided with the grafting lug towards limiting plate (23) on No. two, the grafting lug has been inserted in the inserting groove internal match, the cooperation lug has been put in U type cooperation inslot.

6. The spliceable plastic rack according to claim 5, wherein: splice buckle insert end (11), guide post (12) all are located the surface of a limiting plate (14), and upper end, the lower extreme symmetry of a limiting plate (14) are provided with L type side, No. two go up limiting plate (23), No. two lower limiting plate (25) match with a limiting plate (14) respectively and meet.