Split type mold core splicing structure

The design of connecting grooves and locking components in the split mold core assembly structure solves the problem of excessive gaps after the mold core expands due to heat, thus ensuring the product's appearance quality.

CN223997261UActive Publication Date: 2026-03-17FOSHAN NANHAI SUPERBAND MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

The existing mold core assembly structure expands due to thermal expansion after heating, causing the gaps between the joints to widen, making it easier for molten aluminum to seep in and affecting the product's appearance quality.

Method used

The design employs a split mold core assembly structure. The connecting parts cooperate with the connecting grooves of the first and second mold cores, combined with locking parts and limiting mechanisms, to ensure that the mold cores are tightly spliced ​​and prevent excessive gaps after thermal expansion.

Benefits of technology

This effectively prevents excessive gaps between mold cores after thermal expansion, ensuring product appearance quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a split type mold core splicing structure which comprises a first mold core, a second mold core and a third mold core. A second connecting groove is formed in the second mold core; the connecting piece can be matched with the first connecting groove and the second connecting groove to connect the first mold core and the second mold core, and the side wall of the first mold core and the side wall of the second mold core are abutted and spliced during connection; and the locking piece can be matched with the connecting piece to lock the connecting piece on the first mold core and the second mold core. According to the utility model, the abutted seam gap between the mold cores after thermal expansion can be effectively controlled, and the appearance quality of a product is ensured.
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Description

Technical Field

[0001] This utility model belongs to the field of mold technology, and specifically relates to a split mold core assembly structure. Background Technology

[0002] When making molds for large aluminum alloy products, we need to consider the problems of excessive heat deformation and processing difficulties caused by the large size of the mold core. At the same time, in order to reduce costs, the mold core needs to be assembled into multiple parts. However, the existing mold core assembly structure will cause the gap between the mold cores to become larger after heating during use, making it easy for molten aluminum to seep into the gap, affecting the appearance of the final product. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a split mold core assembly structure, which can effectively control the gap between the mold cores after thermal expansion and ensure the appearance quality of the product.

[0004] The split mold core assembly structure according to an embodiment of the present utility model includes: a first mold core, on which a first connecting groove is provided; a second mold core, on which a second connecting groove is provided; a connector, which can cooperate with the first connecting groove and the second connecting groove to connect the first mold core and the second mold core, and when connected, the side walls of the first mold core and the second mold core abut against each other; and a locking member, which can cooperate with the connector to lock the connector onto the first mold core and the second mold core.

[0005] The split mold core assembly structure according to the present utility model embodiment has at least the following technical effects: the split mold core assembly structure connects and cooperates with the first connecting groove on the first mold core and the second connecting groove on the second mold core through the connector, so that the side walls of the first mold core and the second mold core abut and assemble. Then, the connector is locked on the first mold core and the second mold core through the locking member, so that the first mold core and the second mold core can be tightly spliced. During thermal expansion, the first mold core and the second mold core form an integral relationship, thereby effectively preventing the gap between the mold cores from being too large after thermal expansion and the phenomenon of aluminum drilling, thus ensuring the appearance quality of the product.

[0006] According to some embodiments of this utility model, the first connecting groove is disposed upward on the upper wall of the first mold core, the first connecting groove is close to the side wall of the first mold core, the groove wall of the first connecting groove near the side wall is bent outward to form a first plane, the first plane extends towards the side wall to form a transverse first slot, and the bottom wall of the first connecting groove is lower than the first plane; the second connecting groove is disposed upward on the upper wall of the second mold core, the second connecting groove is close to the side wall of the second mold core, the groove wall of the second connecting groove near the side wall is bent outward to form a second plane, the second plane extends towards the side wall to form a transverse second slot, and the bottom wall of the second connecting groove is lower than the second plane; two protrusions are disposed downward at both ends of the bottom of the connector, a third plane is disposed between the two protrusions, the two protrusions can respectively cooperate with the bottom of the first connecting groove and the second connecting groove, and the third plane abuts against the first plane and the second plane. After the first mold core and the second mold core are placed flat with their side walls touching, the connector is placed on the first mold core and the second mold core so that the two protrusions of the connector fall into the bottom of the first connecting groove and the second connecting groove respectively. At the same time, the third plane of the connector abuts against the first plane and the second plane, thereby connecting the first mold core and the second mold core.

[0007] According to some embodiments of this utility model, the first mold core is provided with at least two first connecting slots, and the second mold core is provided with at least two second connecting slots. The first connecting slots and the second connecting slots correspond one-to-one and engage with each other. The number of connecting members is the same as the number of first connecting slots. The arrangement of multiple first connecting slots, second connecting slots, and connecting members can ensure the stability of the connection.

[0008] According to some embodiments of this utility model, the locking member is a pin. The bottom walls of both the first and second connecting grooves have downward-facing pin holes. Vertical through holes are provided at both ends of the connector, penetrating the protrusion. The pin engages with the through holes and pin holes to lock the connector onto the first and second connecting grooves. The connector is thus locked onto the first and second mold cores by the pin.

[0009] According to some embodiments of this utility model, a first boss extends outward from the lower part of the sidewall of the first mold core, and a second boss is formed on the upper part of the sidewall of the second mold core by inward curvature of the lower part of the sidewall. Limiting mechanisms are provided on the first and second bosses, allowing them to be locked together through the limiting mechanisms. This locking and locking mechanism further ensures the tightness of the first and second mold cores during splicing, preventing excessive gaps between the mold cores after thermal expansion and thus preventing aluminum drilling.

[0010] According to some embodiments of this utility model, the limiting mechanism includes a limiting block and a limiting groove. The limiting block is disposed on the upper surface of the first boss, and the limiting groove is disposed on the lower surface of the second boss. The limiting block and the limiting groove cooperate with each other. Limiting is achieved through the cooperation of the limiting block and the limiting groove.

[0011] According to some embodiments of the present invention, the limiting block is a T-shaped protrusion, and the limiting groove is a T-shaped recess.

[0012] According to some embodiments of the present invention, at least two limiting blocks are provided on the upper surface of the first boss, and at least two limiting grooves are provided on the lower surface of the second boss, with the limiting blocks and the limiting grooves corresponding to each other.

[0013] According to some embodiments of this utility model, the first connecting groove is disposed on the side wall of the first mold core, the second connecting groove is disposed on the side wall of the second mold core, the connecting member is a pin, the two ends of the pin are respectively connected to the first connecting groove and the second connecting groove, the pin is provided with two vertical through holes, the two through holes are respectively located in the first connecting groove and the second connecting groove, the first mold core is provided with a first mounting hole, one end of the first mounting hole communicates with the first connecting groove, the other end of the first mounting hole extends through to the upper surface of the first mold core, and a first limiting position is provided on the bottom wall of the first connecting groove. The first limiting hole is coaxial with the first mounting hole. The second mold core is provided with a second mounting hole. One end of the second mounting hole communicates with the second connecting groove, and the other end of the second mounting hole extends through to the upper surface of the second mold core. The bottom wall of the second connecting groove is provided with a second limiting hole. The second limiting hole is coaxial with the second mounting hole. The locking member is two pins. One pin is installed in conjunction with the first mounting hole, one of the through holes on the pin rod, and the first limiting hole. The other pin is installed in conjunction with the second mounting hole, another through hole on the pin rod, and the second limiting hole. By inserting both ends of the pin into the first connecting groove and the second connecting groove, the sidewalls of the first mold core and the second mold core are tightly fitted together. During insertion, it is ensured that the through hole of the pin is in a vertical state, with one through hole coaxial with the first mounting hole and the first limiting hole, and the other through hole coaxial with the second mounting hole and the second limiting hole. Then, two pins are inserted into the first mounting hole and the second mounting hole respectively, so that the two ends of one pin are respectively in the first mounting hole and the first limiting hole, and the two ends of the other pin are respectively in the second mounting hole and the second limiting hole, thereby completing the locking of the first mold core and the second mold core after connection.

[0014] According to some embodiments of this utility model, the locking member further includes two clamping screws, which are respectively located in the first mounting hole and the second mounting hole, and cooperate with the ends of the two pins to clamp them. The two clamping screws prevent the two pins from coming out of the first mounting hole or the second mounting hole. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0016] Figure 1 This is a top view of an embodiment of the present utility model;

[0017] Figure 2 This is an exploded cross-sectional view of an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the first mold core according to an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the second mold core according to an embodiment of the present invention;

[0020] Figure 5 This is a second cross-sectional schematic diagram of an embodiment of the present utility model;

[0021] Figure 6 This is a third cross-sectional schematic diagram of an embodiment of the present utility model (excluding the connecting parts and locking parts);

[0022] Figure 7 This is an exploded view of an embodiment of the present utility model.

[0023] Figure label:

[0024] 100. First mold core; 101. First connecting groove; 102. First plane; 103. First boss; 104. Limiting block; 105. First mounting hole; 106. First limiting hole; 107. First slot;

[0025] 200. Second mold core; 201. Second connecting groove; 202. Second plane; 203. Second boss; 204. Limiting groove; 205. Second mounting hole; 206. Second limiting hole; 207. Second slot;

[0026] 300. Connector; 301. Protrusion; 302. Third plane; 303. Through hole;

[0027] 400. Locking component; 401. Pin hole; 402. Clamping screw. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0031] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0032] The following is for reference. Figures 1 to 7 This invention describes the split mold core assembly structure of an embodiment of the present invention.

[0033] like Figure 1 and Figure 2As shown, the split mold core assembly structure according to an embodiment of the present invention includes: a first mold core 100, a second mold core 200, a connector 300, and a locking member 400; the first mold core 100 is provided with a first connecting groove 101; the second mold core 200 is provided with a second connecting groove 201; the connector 300 can cooperate with the first connecting groove 101 and the second connecting groove 201 to connect the first mold core 100 and the second mold core 200, and when connected, the side walls of the first mold core 100 and the second mold core 200 abut against each other; the locking member 400 can cooperate with the connector 300 to lock the connector 300 onto the first mold core 100 and the second mold core 200. The split mold core assembly structure is connected and engaged with the first connecting groove 101 on the first mold core 100 and the second connecting groove 201 on the second mold core 200 through the connector 300, so that the side walls of the first mold core 100 and the second mold core 200 abut and assemble. Then, the connector 300 is locked onto the first mold core 100 and the second mold core 200 by the locking member 400, so that the first mold core 100 and the second mold core 200 can be tightly spliced. During thermal expansion, the first mold core 100 and the second mold core 200 form an integral relationship, which can effectively prevent the gap between the mold cores from being too large after thermal expansion, thus preventing aluminum drilling and ensuring the appearance quality of the product.

[0034] In some specific embodiments of this utility model, the first connecting groove 101 is disposed on the upper wall of the first mold core 100 with its opening facing upward. The first connecting groove 101 is close to the side wall of the first mold core 100. The groove wall of the first connecting groove 101 near the side wall is bent outward to form a first plane 102. The first plane 102 extends towards the side wall to form a transverse first slot 107. The bottom wall of the first connecting groove 101 is lower than the first plane 102. The second connecting groove 201 is disposed on the upper wall of the second mold core 200 with its opening facing upward. The second connecting groove 201 is close to the side wall of the second mold core 200. The side wall of the first connecting groove 101 is bent outward at one end of the side wall to form a second plane 202. The second plane 202 extends towards the side wall to form a transverse second slot 207. The bottom wall of the second connecting groove 201 is lower than the second plane 202. The bottom ends of the connector 300 are provided with two protrusions 301 facing downward. A third plane 302 is provided between the two protrusions 301. The two protrusions 301 can respectively cooperate with the bottom of the first connecting groove 101 and the second connecting groove 201, and the third plane 302 abuts against the first plane 102 and the second plane 202. After the first mold core 100 and the second mold core 200 are laid flat with their side walls touching, the connector 300 is placed on the first mold core 100 and the second mold core 200 so that the two protrusions 301 of the connector 300 fall into the bottom of the first connecting groove 101 and the second connecting groove 201 respectively. At the same time, the third plane 302 of the connector 300 abuts against the first plane 102 and the second plane 202, thereby connecting the first mold core 100 and the second mold core 200.

[0035] In some specific embodiments of this utility model, the first mold core 100 is provided with at least two first connecting grooves 101, and the second mold core 200 is provided with at least two second connecting grooves 201. The first connecting grooves 101 and the second connecting grooves 201 are matched one-to-one, and the number of connectors 300 is the same as the number of first connecting grooves 101. The arrangement of multiple first connecting grooves 101, second connecting grooves 201, and connectors 300 can ensure the stability of the connection.

[0036] In some specific embodiments of this utility model, the locking member 400 is a pin. The bottom walls of both the first connecting groove 101 and the second connecting groove 201 are provided with downward-facing pin holes 401. The connector 300 has vertical through holes 303 at both ends, which penetrate the protrusion 301. The pin can cooperate with the through holes 303 and the pin holes 401 to lock the connector 300 onto the first connecting groove 101 and the second connecting groove 201. Each end of the connector 300 has two through holes 303, which are used to lock the connector 300 onto the first mold core 100 and the second mold core 200.

[0037] like Figure 3 and Figure 4 As shown, in some specific embodiments of this utility model, a first boss 103 extends outward from the lower part of the sidewall of the first mold core 100, and a second boss 203 is formed on the upper part of the sidewall of the second mold core 200 by the inward recess of the lower part of the sidewall. Limiting mechanisms are provided on the first boss 103 and the second boss 203, allowing them to be locked together through the limiting mechanisms. The locking and locking mechanism further ensures the tightness of the splicing of the first mold core 100 and the second mold core 200, preventing excessive gaps between the mold cores after thermal expansion and thus preventing aluminum drilling.

[0038] In some specific embodiments of this utility model, the limiting mechanism includes a limiting block 104 and a limiting groove 204. The limiting block 104 is disposed on the upper surface of the first boss 103, and the limiting groove 204 is disposed on the lower surface of the second boss 203. The limiting block 104 and the limiting groove 204 cooperate. The limiting is achieved by the cooperation of the limiting block 104 and the limiting groove 204.

[0039] In some specific embodiments of this utility model, the limiting block 104 is a T-shaped protrusion, and the limiting groove 204 is a T-shaped recess.

[0040] In some specific embodiments of this utility model, at least two limiting blocks 104 are provided on the upper surface of the first boss 103, and at least two limiting grooves 204 are provided on the lower surface of the second boss 203, with the limiting blocks 104 and the limiting grooves 204 corresponding to each other.

[0041] like Figures 5 to 7As shown, in some specific embodiments of this utility model, a first connecting groove 101 is disposed on the side wall of the first mold core 100, a second connecting groove 201 is disposed on the side wall of the second mold core 200, a connecting member 300 is a pin, the two ends of the pin are respectively connected to the first connecting groove 101 and the second connecting groove 201, and the pin is provided with two vertical through holes 303, the two through holes 303 are respectively located in the first connecting groove 101 and the second connecting groove 201, the first mold core 100 is provided with a first mounting hole 105, one end of the first mounting hole 105 communicates with the first connecting groove 101, and the other end of the first mounting hole 105 penetrates to the upper surface of the first mold core 100, and a first connecting groove 105 is provided on the bottom wall of the first connecting groove 101. The limiting hole 106 is coaxial with the first mounting hole 105. The second mold core 200 is provided with a second mounting hole 205. One end of the second mounting hole 205 is connected to the second connecting groove 201, and the other end of the second mounting hole 205 extends through to the upper surface of the second mold core 200. The bottom wall of the second connecting groove 201 is provided with a second limiting hole 206. The second limiting hole 206 is coaxial with the second mounting hole 205. The locking member 400 consists of two pins. One pin is installed in conjunction with the first mounting hole 105, one through hole 303 on the pin rod, and the first limiting hole 106. The other pin is installed in conjunction with the second mounting hole 205, another through hole 303 on the pin rod, and the second limiting hole 206. The first mold core 100 has multiple first connecting grooves 101 on its side wall, and the second mold core 200 has multiple second connecting grooves 201 on its side wall. By inserting both ends of a pin into the first connecting groove 101 and the second connecting groove 201, the side walls of the first mold core 100 and the second mold core 200 are tightly fitted together. When inserted, the through hole 303 of the pin is kept vertical. One through hole 303 is coaxial with the first mounting hole 105 and the first limiting hole 106, and the other through hole 303 is coaxial with the second mounting hole 205 and the second limiting hole 206. Then, two pins are inserted into the first mounting hole 105 and the second mounting hole 205 respectively, so that the two ends of one pin are respectively in the first mounting hole 105 and the first limiting hole 106, and the two ends of the other pin are respectively in the second mounting hole 205 and the second limiting hole 206, thereby completing the locking of the first mold core 100 and the second mold core 200 after connection.

[0042] In some specific embodiments of this utility model, the locking member 400 further includes two clamping screws 402, which are respectively located in the first mounting hole 105 and the second mounting hole 205 and engage with the ends of the two pins for clamping. Both clamping screws 402 are headless screws, and the first mounting hole 105 and the second mounting hole 205 are provided with threads that engage with the clamping screws 402. The two clamping screws 402 prevent the two pins from coming out of the first mounting hole 105 or the second mounting hole 205.

[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A split mold core assembly comprising: The utility model relates to a first mold core (100) is provided with first connecting groove (101) on, second mold core (200) is provided with second connecting groove (201) on, connecting piece (300) can cooperate with first connecting groove (101) and second connecting groove (201) with first mold core (100) and second mold core (200) are connected, and when connecting, the side wall of first mold core (100) and second mold core (200) abutment splicing, locking piece (400) can cooperate with connecting piece (300) with connecting piece (300) is locked on first mold core (100) and second mold core (200) with first connecting groove (101) opening is set up on the upper wall of first mold core (100) upwards, first connecting groove (101) is close to the side wall of first mold core (100), the groove wall of first connecting groove (101) is close to the first plane (102) that the end of side wall outwardly bends and forms of first connecting groove (101) is formed to the first slot (107) of transverse of first plane (102) extension, the groove bottom wall of first connecting groove (101) is lower than first plane (102), second connecting groove (201) opening is set up on the upper wall of second mold core (200) upwards, second connecting groove (201) is close to the side wall of second mold core (200), the groove wall of second connecting groove (201) is close to the second plane (202) that the end of side wall outwardly bends and forms of second connecting groove (201) is formed to the second slot (207) of transverse of second plane (202) extension, the groove bottom wall of second connecting groove (201) is lower than second plane (202), the bottom of connecting piece (300) both ends is provided with two convex parts (301) downwards, and the third plane (302) is set up between two convex parts (301), and two convex parts (301) can cooperate with the groove bottom of first connecting groove (101) and second connecting groove (201) respectively, and the third plane (302) is abutted with first plane (102) and second plane (202) cooperation. First mold core (100) is provided with two first connecting grooves (101) at least, and second mold core (200) is provided with two second connecting grooves (201) at least, first connecting groove (101) and second connecting groove (201) one-to-one corresponding cooperation, and the number of connecting piece (300) is same with the number of first connecting groove (101). Locking piece (400) is a pin, and the groove bottom wall of first connecting groove (101) and second connecting groove (201) is provided with pin hole (401) downwards, and the both ends of connecting piece (300) are provided with vertical through hole (303), the through hole (303) penetrates convex part (301), and the pin can be cooperated with through hole (303) and pin hole (401) with connecting piece (300) is locked on first connecting groove (101) and second connecting groove (201). ​ ​ 2. The split core assembly of claim 1, wherein: ​ 3. The split core assembly of claim 1, wherein: ​ 4. The split core assembly of claim 2, wherein: ​ 5. The split core assembly of claim 2, wherein: The first mold core (100) lower part of the side wall extends outwardly and is provided with a first boss (103), the second mold core (200) lower part of the side wall is inwardly concave and forms a second boss (203) on the upper part of the side wall, the first boss (103) and the second boss (203) are provided with a limiting mechanism, and the first boss (103) and the second boss (203) can be limited to be superimposed through cooperation of the limiting mechanism.

6. The split core assembly of claim 5, wherein: The limiting mechanism comprises a limiting block (104) and a limiting groove (204), the limiting block (104) is arranged on the upper surface of the first boss (103), the limiting groove (204) is arranged on the lower surface of the second boss (203), and the limiting block (104) cooperates with the limiting groove (204).

7. The split core assembly of claim 6, wherein: The limiting block (104) is a T-shaped protrusion, and the limiting groove (204) is a T-shaped groove.

8. The split core assembly of claim 6, wherein: At least two limiting blocks (104) are arranged on the upper surface of the first boss (103), and at least two limiting grooves (204) are arranged on the lower surface of the second boss (203), and the limiting blocks (104) correspond to the limiting grooves (204) one by one.

9. The split core assembly of claim 1, wherein: The first connecting groove (101) is arranged on the side wall of the first mold core (100), the second connecting groove (201) is arranged on the side wall of the second mold core (200), the connecting piece (300) is a pin rod, the two ends of the pin rod are connected with the first connecting groove (101) and the second connecting groove (201) respectively, two vertical through holes (303) are arranged on the pin rod, the two through holes (303) are arranged in the first connecting groove (101) and the second connecting groove (201) respectively, the first mold core (100) is provided with a first mounting hole (105), one end of the first mounting hole (105) is in communication with the first connecting groove (101), and the other end of the first mounting hole (105) penetrates to the upper surface of the first mold core (100), a first limiting hole (106) is arranged on the bottom wall of the first connecting groove (101), the first limiting hole (106) is coaxial with the first mounting hole (105), the second mold core (200) is provided with a second mounting hole (205), one end of the second mounting hole (205) is in communication with the second connecting groove (201), and the other end of the second mounting hole (205) penetrates to the upper surface of the second mold core (200), a second limiting hole (206) is arranged on the bottom wall of the second connecting groove (201), and the second limiting hole (206) is coaxial with the second mounting hole (205), the locking piece (400) is two pins, one of the pins is installed in cooperation with the first mounting hole (105), one of the through holes (303) on the pin rod and the first limiting hole (106), and the other pin is installed in cooperation with the second mounting hole (205), the other through hole (303) on the pin rod and the second limiting hole (206).

10. The split core assembly of claim 9, wherein: The locking piece (400) further comprises two pressing screws (402), which are respectively arranged in the first mounting hole (105) and the second mounting hole (205) and are matched with the two pin end portions for pressing.