A new energy quick-sealing plug and its mold assembly

Abstract

A new energy quick sealing plug and its mold assembly, the new energy quick sealing plug includes a base and a plug end located on the base; a plurality of threads are provided on one end of the plug end close to the base, a sealing groove is provided on the seat surface of the base where the plug end is provided, and an annular boss is provided at the connection between the plug end and the base, the height of the boss being higher than the seat surface of the base. The mold assembly includes an upper mold, a lower mold, and a side mold, a cavity for producing the sealing plug is formed between the upper mold, the lower mold, and the side mold, the first parting line between the upper mold and the side mold is located on the surface of the boss, an annular insert for forming a sealing groove on the base is provided at the bottom of the upper mold; a connecting portion for connecting the annular insert to the upper mold is provided between the seat surface of the base and the first parting line. The present invention can form the sealing plug and the sealing groove in one step, reducing the cost of secondary processing of the sealing plug and improving the production efficiency of the sealing plug.

Description

Technical Field

[0001] The present invention relates to the field of new energy vehicles, in particular to a new energy quick sealing plug and a mold assembly thereof. Background Art

[0002] The production method of sealed plugs in the new energy industry is usually through mold injection molding. Figure 5 The mold for producing the sealing plug in the prior art shown in FIG. 1 includes an upper mold 9, a lower mold 12 and a side mold 11, and a cavity for producing the sealing plug is formed between the upper mold 9, the lower mold 12 and the side mold 11. Figure 1 When the sealing plug does not contain boss 3, Figure 5 As shown, since the upper edge of the side mold 11 needs to be set in contact with the seat surface 101 of the base 1, the upper mold 9 cannot be provided with an insert for forming the sealing groove 2 of the sealing plug; at the same time, since the side mold 11 needs to be moved horizontally to realize demoulding after molding, the insert for forming the sealing groove 2 cannot be set on the top of the side mold 11. Figure 1 The sealing plug shown needs to be produced by injection molding to obtain an intermediate without a sealing groove 2, and then be machined to form a sealing groove 2 on the seat surface of the base to obtain the final product. However, since the sealing plug is relatively cheap, secondary processing of the sealing plug will increase the cost of producing the sealing plug and reduce the production efficiency of the sealing plug. Summary of the Invention

[0003] The present invention aims to provide a new energy quick sealing plug and a mold assembly thereof, which can form the sealing plug and the sealing groove in one step, reduce the cost of secondary processing of the sealing plug, and improve the production efficiency of the sealing plug.

[0004] In order to solve the above technical problems, the specific solution adopted by the present invention is a new energy quick-sealing plug: it includes a base and a plug end located on the base; multiple turns of thread are provided on the end of the plug end close to the base, and a sealing groove is provided on the seat surface of the plug end on the base, and an annular boss is provided at the connection between the plug end and the base, and the height of the boss is higher than the seat surface of the base.

[0005] As a further optimization of the new energy quick sealing plug of the present invention: the height of the boss is 1-1.5 mm higher than the seat surface of the base, and the height of the boss is 1.22 mm higher than the seat surface of the base.

[0006] As a further optimization of the new energy quick sealing plug of the present invention: the sealing groove is arranged around the outer periphery of the plug end.

[0007] As a further optimization of the new energy quick sealing plug of the present invention: the base and the plug end are both staggeredly provided with through holes for the wires to pass through.

[0008] As a further optimization of the new energy quick sealing plug of the present invention: the circumference of the end of the plug away from the base is smaller than the circumference of the end provided with multiple turns of threads.

[0009] As a further optimization of the new energy quick sealing plug of the present invention: protrusions are evenly spaced on the inner wall of the base located on the outer periphery of the sealing groove, and the protrusions are used to enhance the stability of the sealing ring in the sealing groove.

[0010] A mold assembly for producing the aforementioned new energy quick-sealing plug includes an upper mold, a lower mold, and a side mold. A cavity for producing a sealing plug is formed between the upper mold, the lower mold, and the side mold. The first parting line between the upper mold and the side mold is located on the table surface of the boss. An annular insert for forming a sealing groove on the base is provided at the bottom of the upper mold; a connecting portion for connecting the annular insert to the upper mold is provided between the seat surface of the base and the first parting line.

[0011] As a further optimization of the mold assembly for producing the aforementioned new energy quick sealing plug of the present invention: the upper mold includes an upper mold and a bottom mold, and the second parting line between the upper mold and the bottom mold is set on the outer periphery of the base.

[0012] As a further optimization of the mold assembly for producing the aforementioned new energy quick-sealing plug of the present invention, an annular sliding groove for the side mold to slide into is formed between the upper mold and the lower mold.

[0013] As a further optimization of the mold assembly of the present invention for producing the aforementioned new energy quick-sealing plug: vertically distributed inserts are provided in both the upper mold and the lower mold, and the inserts are used to form through holes in the base and the plug end.

[0014] Beneficial effects

[0015] The present invention provides a new energy rapid sealing plug with a boss disposed between the base and the plug end. This boss arrangement not only does not affect the use of the sealing plug but also allows the first parting line between the upper mold and the side mold to be located on the boss's surface. The boss arrangement creates a connection between the base seat surface and the first parting line, connecting the annular insert (for forming the sealing groove) and the upper mold. This allows the mold assembly to simultaneously produce a sealing plug with a sealing groove, avoiding secondary processing of the sealing plug, reducing the cost of secondary processing, and improving the production efficiency of the sealing plug.

[0016] In the mold assembly of the present invention, the upper mold includes an upper layer mold and a bottom mold, and the annular insert for forming the sealing groove on the sealing plug is located on the bottom mold. After the sealing plug is injection-molded, the upper layer mold on the upper mold is lifted up to quickly remove the sealing plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the main structure of the sealing plug;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the sealing plug;

[0019] Figure 3 Schematic diagram of the cross-sectional structure of the mold assembly;

[0020] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part A;

[0021] Figure 5 It is a schematic cross-sectional structural diagram of a mold assembly in the prior art;

[0022] Figure 6 This is a physical picture of the sealing plug;

[0023] Figure markings: 1. base, 101. seat surface, 2. sealing groove, 3. boss, 301. table surface, 4. plug end, 401. ring, 5. perforation, 6. thread, 7. protrusion, 8. annular insert, 9. upper mold, 901. upper mold, 902. bottom mold, 10. annular slide groove, 11. side mold, 1101. pull rod, 12. lower mold, 13. insert, 14. connecting part, 15. first parting line, 16. second parting line. DETAILED DESCRIPTION

[0024] like Figure 1 、 Figure 2 and Figure 6 As shown, a new energy quick-sealing plug includes a base 1 and a plug end 4 located at the center of the base 1. The base 1 is in the shape of a regular hexagon, and the plug end 4 is cylindrical. The base 1 and the plug end 4 are an integrally formed structure. Three through-holes 5 for the wires to pass through are provided in the base 1 and the plug end 4. The through-holes 5 are in the shape of a square, and the three square through-holes 5 are distributed in a herringbone shape in the plug end 4 and the base 1. The inner walls of the plug end 4 and the base 1 respectively form fan-shaped and rectangular spaces with the herringbone-shaped through-holes 5 at the corresponding ends. The spaces in the plug end 4 are not connected to the spaces in the base 1, and the through-holes 5 in the plug end 4 are connected to the through-holes 5 in the base 1.

[0025] The surface where the base 1 connects to the plug end 4 is a seating surface 101. This surface 101 of the base 1 is provided with a sealing groove 2 for mounting a sealing ring. The sealing groove 2 is located at the periphery of the connection between the plug end 4 and the base 1. Eight protrusions 7 are evenly spaced on the inner wall of the base 1, located around the periphery of the sealing groove 2. These protrusions 7 serve to stabilize the sealing ring within the sealing groove 2, and their height is consistent with that of the sealing groove 2.

[0026] like Figure 1As shown, the plug end 4 is provided with a circumferentially distributed raised ring 401. The portion above the ring 401 is the upper end of the plug end 4, and the portion below the ring is the lower end of the plug end 4. The outer circumference of the lower end of the plug end 4 is provided with multiple turns of thread 6. The circumference of the portion of the plug end 4 provided with multiple turns of thread 6 is greater than the circumference of the remaining portion of the plug end 4 not provided with multiple turns of thread 6.

[0027] An annular boss 3 is provided at the lower end of plug end 4, below the multi-turn thread 6, at the junction with base 1. This boss 3 forms a sealing groove 2 on base 1 during injection molding of the sealing plug. The height of boss 3 is 1-1.5 mm above the seating surface of base 1, with a total height of 1.22 mm.

[0028] like Figure 3 and Figure 4 As shown, a mold assembly for producing the above-mentioned new energy quick sealing plug includes an upper mold 9, a lower mold 12, and a side mold 11. A cavity for injection molding of the sealing plug is formed between the upper mold 9, the lower mold 12 and the side mold 11. A plurality of vertically distributed inserts 13 are arranged in the cavity of the upper mold 9, the lower mold 12 and the side mold 11. The inserts 13 are used to form through holes 5 in the base 1 and the plug end 4.

[0029] An annular chute 10 is formed between the upper mold 9 and the lower mold 12, into which the side mold 11 slides. The side of the side mold 11 facing the cavity is provided with multiple racks distributed along the circumference. The racks are evenly spaced to allow the plug end 4 to be injection-molded to form multiple turns of thread 6. The other side of the side mold 11 is distributed toward the periphery, and the outer periphery of the side mold 11 is provided with a T-shaped pull rod 1101 to facilitate pulling the side mold 11 out of the annular chute 10.

[0030] like Figure 3 The technical solution of this application is similar to the Figure 5 Compared with the prior art shown in the figure, the upper mold 9 in the technical solution of the present application also includes an upper mold 901 and a bottom mold 902. The upper mold 901 is located above the bottom mold 902. The second parting line 16 between the upper mold 901 and the bottom mold 902 is set on the periphery of the base 1 to facilitate the separation and removal of the sealing plug from the mold assembly after the injection molding is completed.

[0031] The first parting line 15 between the bottom mold 902 and the side mold 11 is located on the table surface 301 of the boss 3. An annular insert 8 is provided at the bottom of the upper mold 901. This insert forms the sealing groove 2 on the base 1 of the sealing plug. A connecting portion 14 is provided on the bottom mold 902 between the seat surface 101 of the base 1 and the first parting line 15. One side of the connecting portion 14 connects to the bottom mold 902, and the other side connects to the annular insert 8. This facilitates direct injection molding of the sealing groove 2 on the base 1 during the production of the sealing plug, reducing the cost of secondary processing of the sealing groove 2 and improving the production efficiency of the sealing plug.

[0032] The specific embodiment of the present invention is as follows: First, the side mold 11 is slidably inserted into the annular chute 10, and the corresponding inserts 13 are then inserted into the mold cavity to form the injection mold. Next, the injection molding material is introduced into the mold cavity. Once the sealing plug is formed within the cavity, a worker controls a machine to lift the upper mold 901 on the upper mold 9. The side mold 11 is then slid out of the mold by pulling the pull rod 1101. Then, an ejector pin located below the lower mold 12 lifts the injection-molded sealing plug and removes it.

Claims

1. A mold assembly for producing a new energy quick-seal plug, the new energy quick-seal plug comprising a base (1) and a plug end (4) located on the base (1); a plurality of threads (6) are provided on one end of the plug end (4) close to the base (1); a sealing groove (2) is provided on a seat surface (101) of the base (1) on which the plug end (4) is provided, and the characteristics are: An annular boss (3) is provided at the connection between the plug end (4) and the base (1), and the height of the boss (3) is higher than the seat surface (101) of the base (1); The mold assembly includes an upper mold (9), a lower mold (12), and a side mold (11), and a cavity for producing a sealing plug is formed between the upper mold (9), the lower mold (12) and the side mold (11), and is characterized in that: the first parting line (15) between the upper mold (9) and the side mold (11) is located on the table surface (301) of the boss (3), and an annular insert (8) is provided at the bottom of the upper mold (9) for forming a sealing groove (2) on the base (1); and a connecting portion (14) for connecting the annular insert (8) and the upper mold (9) is provided between the seat surface (101) of the base (1) and the first parting line (15).

2. A mold assembly for producing a new energy quick-seal plug according to claim 1, characterized in that: The upper mold (9) comprises an upper mold (901) and a bottom mold (902), and a second parting line (16) between the upper mold (901) and the bottom mold (902) is arranged on the periphery of the base (1).

3. The mold assembly for producing a new energy quick-seal plug according to claim 1, characterized in that: An annular sliding groove (10) for the side mold (11) to slide into is formed between the upper mold (9) and the lower mold (12).

4. The mold assembly for producing a new energy quick-seal plug according to claim 1, characterized in that: The upper mold (9) and the lower mold (12) are both provided with inserts (13) distributed along the vertical direction, and the inserts (13) are used to form through holes (5) in the base (1) and the plug end (4).

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