Linkage lifter structure

Abstract

This invention discloses a linkage inclined ejector mechanism, comprising a cavity, a middle plate, a pad plate, and a cover plate arranged sequentially from top to bottom. The cavity includes an upper cavity and a lower cavity. The linkage inclined ejector mechanism further includes an inclined ejector, a fixing insert, a plastic part, an elastic element, and a fixing rod. The inclined ejector has a sliding part and a first mating part, and the cover plate includes a second mating part. The first mating part is adapted to the second mating part, and the first mating part can translate along the second mating part. The fixing insert is fixed to the pad plate and has a guide part adapted to the sliding part, and the sliding part can translate along the guide part. The plastic part is located between the upper cavity and the lower cavity. The elastic element is located between the middle plate and the pad plate. The fixing rod is fixed to the cover plate and is at least partially located within the middle plate. The linkage inclined ejector mechanism utilizes the linkage between the inclined ejector, the fixing insert, and the inclined ejector seat to reduce the clamping force, reduce the stress and wear on the inclined ejector, thereby reducing the occurrence of inclined ejector jamming and improving product quality.

Description

Technical Field

[0001] The present invention relates to the technical field of injection molds, and particularly to a linkage lifter mechanism. Prior Art

[0002] Products formed by injection molding use a conventional lifter structure to form undercuts, and the lifter disengages from the undercuts during the process of ejecting the product. In the prior art, when the undercuts of the product are relatively large, during the ejection process of the lifter, due to the long ejection distance of the lifter, situations such as the lifter getting stuck or breaking during ejection are likely to occur.

[0003] Therefore, it is necessary to provide a new linkage lifter mechanism to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a linkage lifter mechanism, which can reduce the clamping force, shorten the length of the lifter, and reduce the stress and wear of the lifter.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A linkage lifter mechanism includes a cavity, an intermediate plate, a spacer plate, and a backing plate arranged in sequence from top to bottom. The cavity includes an upper cavity and a lower cavity.

[0007] The linkage lifter mechanism further includes: a lifter, a fixed insert, a plastic part, an elastic part, and a fixed rod. The lifter is provided with a sliding part and a first mating part. The backing plate includes a second mating part. The first mating part is adapted to the second mating part, and the first mating part can translate along the second mating part. The fixed insert is fixed to the spacer plate. The fixed insert is provided with a guiding part. The guiding part is adapted to the sliding part, and the sliding part can translate along the guiding part. The plastic part is located between the upper cavity and the lower cavity and at least partially abuts against the lifter. The elastic part is arranged between the intermediate plate and the spacer plate. The fixed rod is fixed to the backing plate and at least partially located within the intermediate plate.

[0008] In some embodiments, the linkage lifter mechanism further includes a lifter seat fixed to the backing plate. The lifter seat is connected to the lower end of the lifter, and the second mating part is arranged on the lifter seat.

[0009] In some embodiments, the first mating part translates within the second mating part through rolling elements, and at least part of the first mating part and the rolling elements are located within the second mating part.

[0010] In some embodiments, the rolling member includes a roller and a shaft pin. The first mating portion is provided with a shaft hole, and the shaft pin passes through the roller and the shaft hole.

[0011] In some embodiments, the second mating portion includes a first groove portion and a second groove portion that communicate with each other. The first groove portion is located above the second groove portion, and the roller is located in the second groove portion.

[0012] In the axial direction of the rolling member, the width of the first groove portion is smaller than the width of the second groove portion, the width of the first groove portion is equivalent to the width of the first mating portion, and at least a part of the projection of the roller in the vertical direction is located outside the first groove portion.

[0013] In some embodiments, the linkage angled lifter mechanism further includes a guiding block. The guiding block is fixed to the middle plate, the guiding block has a hollow groove, and the angled lifter block and the fixed insert pass through the hollow groove.

[0014] In some embodiments, the angled lifter has an arc portion. The arc portion is at least partially in close contact with the plastic part, the arc portion is provided with a third mating portion, the plastic part has a fourth mating portion, and the fourth mating portion is adapted to the third mating portion.

[0015] In some embodiments, the linkage angled lifter mechanism further includes a limiting rod. One end of the limiting rod is fixed to the spacer plate, the other end of the limiting rod is located inside the middle plate, and an elastic member is sleeved on the outer periphery of the limiting rod.

[0016] The limiting rod includes a head portion and a rod portion, and the head portion is located inside the middle plate.

[0017] In some embodiments, the middle plate is provided with a limiting hole that penetrates from top to bottom. The limiting hole includes a first hole portion, a second hole portion, and a third hole portion that are sequentially connected from top to bottom. The head portion is located in the first hole portion, and at least a part of the elastic member is located in the third hole portion.

[0018] The aperture of the first hole portion is adapted to the head portion, the aperture of the second hole portion is adapted to the rod portion, and the aperture of the third hole portion is adapted to the elastic member.

[0019] In some embodiments, when the lower surface of the middle plate abuts against the upper surface of the spacer plate, the elastic member is in a compressed state.

[0020] Compared with the prior art, the beneficial effects of the interlocking angled lifter mechanism of the present invention are as follows: By fixedly arranging a fixed insert, the angled lifter and the fixed insert are respectively provided with a sliding part and a guiding part that are adapted to each other, so that the angled lifter can move in a fixed direction during mold opening. Through the cooperation structure between the angled lifter and the fixed insert, and the moving connection between the angled lifter and the angled lifter base through rolling elements, the connection between the oblique movement of the angled lifter and the up and down movement of the angled lifter base is smoother. The interlocking angled lifter mechanism uses the interlocking cooperation between the angled lifter and the fixed insert and the angled lifter base to shorten the length of the angled lifter, reduce the clamping force, reduce the stress and wear of the angled lifter, thereby reducing the situation of the angled lifter getting stuck during movement and improving the product quality. Brief Description of the Drawings

[0021] Figure 1 is a schematic assembly structure diagram of the interlocking angled lifter mechanism of a specific embodiment of the present invention; Figure 2 is an exploded structure schematic diagram of the interlocking angled lifter mechanism of a specific embodiment of the present invention; Figure 3 is a schematic assembly diagram of the angled lifter and the angled lifter base of a specific embodiment of the present invention; Figure 4 is an enlarged structure schematic diagram of area A in Figure 3; Figure 5 is a cross-sectional schematic diagram of the interlocking angled lifter mechanism in the first mold opening state of a specific embodiment of the present invention; Figure 6 is an enlarged structure schematic diagram of area B1 in Figure 5; Figure 7 is an enlarged structure schematic diagram of area B2 in Figure 5; Figure 8 is an enlarged structure schematic diagram of area B3 in Figure 5; Figure 9 is a cross-sectional schematic diagram of the interlocking angled lifter mechanism in the second mold opening state of a specific embodiment of the present invention; Figure 10 is an enlarged structure schematic diagram of area C1 in Figure 9; Figure 11 is an enlarged structure schematic diagram of area C2 in Figure 9; Figure 12 is an enlarged structure schematic diagram of area C3 in Figure 9; Figure 13 is a cross-sectional schematic diagram of the interlocking angled lifter mechanism in the third mold opening state of a specific embodiment of the present invention; Figure 14 is an enlarged structure schematic diagram of area D1 in Figure 13; Figure 15 is an enlarged structure schematic diagram of area D2 in Figure 13; Figure 16 is an enlarged structure schematic diagram of area D3 in Figure 13. Embodiment

[0022] The exemplary specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are multiple specific embodiments, the features in these embodiments can be combined with each other without conflict. When the description involves the accompanying drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The content described in the following exemplary specific embodiments does not represent all embodiments consistent with the present invention; on the contrary, they are only examples of devices, products, and / or methods consistent with some aspects of the present invention as described in the patent application scope of the present invention.

[0023] The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the protection scope of the present invention. The singular forms of "a", "the", or "said" used in the specification and patent application scope of the present invention are also intended to include the plural forms unless the context clearly indicates otherwise.

[0024] It should be understood that words such as "first", "second", and similar words used in the specification and patent application scope of the present invention do not indicate any order, quantity, or importance, but are only used to distinguish the named features. Similarly, words such as "a" or "one" do not indicate a quantity limitation, but indicate the existence of at least one. Unless otherwise indicated, words such as "front", "rear", "upper", "lower", etc. that appear in the present invention are only for the convenience of description and are not limited to a specific position or a spatial orientation. The expression "including" or "comprising" is an open-ended expression, meaning that the elements appearing before "including" or "comprising" cover the elements appearing after "including" or "comprising" and their equivalents, and this does not exclude that the elements appearing before "including" or "comprising" may also include other elements. If "multiple" appears in the present invention, its meaning refers to two or more.

[0025] Please refer to FIGS. 1 to 16. An embodiment of the present invention discloses a linkage lifter mechanism, which is applicable to ejecting injection-molded products, and includes a top plate 100, a cavity 200, a middle plate 300, a spacer plate 400, a double plate 500, and a bottom plate 600 arranged in sequence from top to bottom. The lower end of the top plate 100 is adapted to the upper end of the middle plate 300. The cavity 200 is located in the middle cavity formed by the top plate 100 and the middle plate 300. The cavity 200 includes an upper cavity 210 and a lower cavity 220 that are adapted to each other. The linkage lifter mechanism further includes a lifter 10, a fixed insert 30, a plastic part 40, and an elastic part 50. The lower end of the lifter 10 is connected to the double plate 500. The fixed insert 30 is fixed to the spacer plate 400 and provides a sliding channel for the lifter 10. The elastic part 50 is arranged between the core middle plate 300 and the spacer plate 400. The plastic part 40 is formed between the upper cavity 210 and the lower cavity 220 and at least partially abuts against the lifter 10.

[0026] Please refer to FIGS. 1 to 4. The lifter 10 is provided with a sliding part 11, a first mating part 12, and an arc part 14. The sliding part 11 is located on the side of the lifter 10 close to the fixed insert 30. The first mating part 12 is located at one end of the lifter 10 close to the double plate 500. The arc part 14 at least partially abuts against the plastic part 40. The fixed insert 30 at least partially abuts against the lifter 10. The fixed insert 30 is provided with a guiding part 31. The guiding part 31 is located on the side of the fixed insert 30 close to the lifter 10. The guiding part 31 is adapted to the sliding part 11, and the sliding part 11 can translate along the guiding part 31. Further, in this embodiment, the guiding part 31 is formed as a T-shaped groove, and the sliding part 11 is formed as a T-shaped protrusion, so that the sliding part 11 can only move along the axial direction of the T-shaped groove guiding part 31 without generating displacement in other directions. Through the linkage cooperation between the lifter 10 and the fixed insert 30 and the double plate 500, the length of the lifter 10 is shortened, thereby reducing the clamping force and reducing the stress and wear of the lifter 10.

[0027] In some embodiments, the linkage lifter mechanism further includes a lifter seat 20 fixed to the double plate 500. The lifter seat 20 is connected to the lower end of the lifter 10. A second mating part 21 is arranged on the lifter seat 20. The second mating part 21 is located at one end of the lifter seat 20 close to the lifter 10. The second mating part 21 is adapted to the first mating part 12, and the first mating part 12 can translate along the second mating part 21.

[0028] Referring to FIGS. 1 to 4, in this embodiment, the first engaging portion 12 translates in the second engaging portion 21 through the rolling member 13. The first engaging portion 12 is at least partially located in the second engaging portion 21, and the rolling member 13 is located in the second engaging portion 21. The rolling member 13 includes a roller 131 and a pin 132. The first engaging portion 12 is provided with a shaft hole 121, and the pin 132 passes through the roller 131 and the shaft hole 121. Specifically, there are two rollers 131, and the two rollers 131 are respectively located on the two axial sides of the shaft hole 121. The pin 132 sequentially passes through one of the rollers 131, the shaft hole 121, and the other roller 131, so that the roller 131 can rotate around the axial direction of the shaft hole 121 and drive the first engaging portion 12 to translate in the second engaging portion 21, thereby enabling the lifter 10 to move laterally relative to the lifter base 20. The second engaging portion 21 includes a first groove portion 211 and a second groove portion 212 that communicate with each other. The first groove portion 211 is located above the second groove portion 212, and the roller 131 is located in the second groove portion 212. The first groove portion 211 and the second groove portion 212 are recessed from the end of the lifter base 20 close to the lifter 10 toward the end away from the lifter 10. The first groove portion 211 is located at the end of the second engaging portion 21 close to the lifter 10, that is, the first groove portion 211 is at the notch of the second engaging portion 21. In the axial direction of the rolling member 13, the width of the first groove portion 211 is equivalent to the width of the first engaging portion 12 to ensure that the first engaging portion 12 can enter the second engaging portion 21. Further, the width of the first groove portion 211 is smaller than the width of the second groove portion 212, and at least a part of the projection of the roller 131 in the vertical direction is located outside the first groove portion 211 to prevent the rolling member 13 and the first engaging portion 12 from radially disengaging from the second engaging portion 21. Further, the height of the second groove portion 212 is equivalent to the diameter of the roller 131 to limit the rolling member 13 in the second groove portion 212, so that the rolling member 13 can only move laterally along the second engaging portion 21, preventing other-directional movement between the lifter 10 and the lifter base 20. The lifter 10 moves obliquely, and the lifter base 20 moves up and down. Then there is a relative lateral displacement between their movements. By using the rolling member to achieve this lateral displacement, the friction between the lifter 10 and the lifter base 20 can be reduced, thereby reducing wear, and at the same time making the connection between the oblique movement of the lifter 10 and the up and down movement of the lifter base 20 smoother.

[0029] Further, referring to FIG. 4, the second engaging portion 21 further includes a third groove portion 213. The third groove portion 213 is located on the side of the second groove portion 212 away from the first groove portion 211, that is, the second engaging portion 21 includes the first groove portion 211, the second groove portion 212, and the third groove portion 213 that are sequentially connected. In the axial direction of the rolling member, the width of the third groove portion 213 is smaller than the width of the second groove portion 212, the width of the third groove portion 213 is equivalent to the width of the first engaging portion 12, and the first engaging portion 12 is at least partially located in the third groove portion 213.

[0030] Please refer to FIGS. 1 and 2. The arc portion 14 is provided with a third mating portion 141, and the plastic part has a fourth mating portion 41, and the fourth mating portion 41 is adapted to the third mating portion 141.

[0031] Please refer to FIGS. 1, 2, 5, 9, and 13. The linkage angled lifter mechanism of this embodiment further includes a guide block 60. The guide block 60 is fixed in the middle plate 300. The guide block 60 has a hollow groove 61, and the angled lifter base 20 and the fixed insert 30 pass through the hollow groove 61. The setting of the guide block 60 is used to further enhance the stability of the angled lifter base 20 and the fixed insert 30, so that the angled lifter base 20 can only move in the vertical direction.

[0032] Please refer to FIGS. 5, 9, and 13. The linkage angled lifter mechanism of this embodiment further includes a limit rod 70. One end of the limit rod 70 is fixed to the spacer plate 400, and the other end of the limit rod 70 is at least partially located in the middle plate 300. The elastic member 50 is sleeved on the outer periphery of the limit rod 70. Specifically, the lower end of the limit rod 70 is fixed to the spacer plate 400, the upper end of the limit rod 70 is located in the middle plate 300, and the elastic member 50 is located between the middle plate 300 and the spacer plate 400. The limit rod 70 includes a head 71 and a rod portion 72. The diameter of the head 71 is greater than the diameter of the rod portion 72. The head 71 and at least part of the rod portion 72 are located in the middle plate 300, and the end of the rod portion 72 away from the head 71 is fixed to the spacer plate 400. A limit hole 301 penetrating from top to bottom is provided in the middle plate 300. The limit rod 70 is at least partially located in the limit hole 301. The limit hole 301 includes a first hole portion 301a, a second hole portion 301b, and a third hole portion 301c that are sequentially communicated from top to bottom. Further, the aperture of the first hole portion 301a is adapted to the head 71, the aperture of the second hole portion 301b is adapted to the rod portion 72, and the aperture of the third hole portion 301c is adapted to the elastic member 50; the head 71 is located in the first hole portion 301a, the rod portion 72 is at least partially located in the second hole portion 301b and the third hole portion 301c, and the elastic member 50 is at least partially located in the third hole portion 301c.

[0033] Please refer to FIGS. 5, 9, and 13. The linkage angled lifter mechanism of this embodiment further includes a fixed rod 80. The fixed rod 80 is fixed to the double plate 500 and at least partially located in the middle plate 300. Further, the lower end of the fixed rod 80 is fixed to the double plate 500, and the upper end of the fixed rod 80 can extend upward out of the middle plate 300.

[0034] Referring to FIGS. 5 to 8, when the interlocking angled lifter mechanism of this embodiment is mold - opened, first, remove the top plate 100, open the cavity 200, separate the upper cavity 210 from the lower cavity 220, and expose the plastic part 40. At this time, the lower cavity 220, the middle plate 300, the spacer plate 400, the cladding plate 500, and the bottom plate 600 are connected in sequence. The lower surface of the middle plate 300 abuts against the upper surface of the spacer plate 400, and the lower surface of the cladding plate 500 abuts against the upper surface of the bottom plate 600. The upper ends of the angled lifter 10 and the fixed insert 30 fit together and both are in contact with the plastic part 40. Horizontally, the distance between the first mating part 12 and the right side of the second mating part 21 is L1; vertically, the distance between the lower end of the head 71 of the limit rod 70 and the lower end of the first hole part 301a is H1, and the elastic member 50 is in a compressed state.

[0035] Referring to FIGS. 9 to 12, secondly, the compressed elastic member 50 generates an upward elastic force, applies a force to the middle plate 300, and causes the middle plate 300 to drive the lower cavity 220 to move upward; at this time, the middle plate 300 separates from the spacer plate 400, the spacer plate 400 drives the fixed insert 30 and the limit rod 70 to remain stationary, the bottom plate 600 always remains stationary, and the upper end of the plastic part 40 is flush with the upper end of the lower cavity 220. Vertically, since the lower cavity 220 is fixed to the middle plate 300, the lower end of the arc - shaped part 14 of the angled lifter 10 abuts against the lower cavity 220 up and down, the first mating part 12 at the lower end of the angled lifter 10 is in mating connection with the second mating part 21 at the upper end of the angled lifter base 20, and the angled lifter base 20 and the fixed rod 80 are fixed to the cladding plate 500. Therefore, the middle plate 300 drives the lower cavity 220, the angled lifter 10, the angled lifter base 20, the plastic part 40, the cladding plate 500, and the fixed rod 80 to move upward by a distance H1 in sequence. The lower end of the head 71 of the limit rod 70 abuts against the lower end of the first hole part 301a, the distance between the lower surface of the middle plate 300 and the upper surface of the spacer plate 400 is H1, the distance between the lower surface of the cladding plate 500 and the upper surface of the bottom plate 600 is also H1, and the distance between the lower surface of the spacer plate 400 and the upper surface of the washer 90 on the cladding plate 500 is H2. Horizontally, since the fixed insert 30 remains stationary and the angled lifter 10 moves upward, the angled lifter 10 drives the rolling member 13 to move leftward by a distance S1 under the guidance of the guiding part 31. The distance between the angled lifter 10 and the plastic part 40 is S1, the distance between the first mating part 12 and the right side of the second mating part 21 is L2, and then S1 = L2 - L1.

[0036] Please refer to FIGS. 13 to 16. Finally, the spacer plate 400 drives the fixed insert 30 and the limit rod 70 to remain stationary, and the middle plate 300 also remains stationary. Vertically, the double plate 500 drives the fixed rod 80, the lifter base 20, the lifter 10, and the plastic part 40 to move upward by a distance H2 in sequence. At this time, the distance between the upper end of the plastic part 40 and the upper end of the lower cavity 220 is H2, the lower surface of the spacer plate 400 abuts against the upper surface of the washer 90 on the spacer plate 500, and the upper end of the fixed rod 80 extends upward outside the middle plate 300. Horizontally, the lifter 10 moves horizontally to the left under the guidance of the fixed insert 30. The distance between the first mating part 12 and the right side of the second mating part 21 is L3, and the distance between the lifter 10 and the plastic part 40 is S2. Then the horizontal movement distance of the lifter 10 is L3 - L2 or S2 - S1. At this time, the plastic part 40 is completely removed from the mold core, and the plastic part 40 product can be taken out to complete the injection molding.

[0037] In summary, compared with the prior art, the interlocking lifter mechanism of the present invention has the following advantages: By fixedly arranging the fixed insert 30, the lifter 10 and the fixed insert 30 are respectively provided with a sliding part 11 and a guiding part 31 that are adapted to each other, so that the lifter 10 can move in a fixed direction during mold opening. Through the structural cooperation between the lifter 10 and the fixed insert 30, and the moving connection between the lifter 10 and the lifter base 20 through the rolling member 13, the connection between the oblique movement of the lifter 10 and the up and down movement of the lifter base 20 is smoother. The interlocking lifter mechanism shortens the length of the lifter 10 by using the interlocking cooperation between the lifter 10 and the fixed insert 30 and the lifter base 20, reduces the clamping force, reduces the stress and wear of the lifter 10, thereby reducing the situation of the lifter 10 being stuck in motion and improving the product quality.

[0038] The above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention. The understanding of this specification should be based on those with ordinary knowledge in the technical field. Although this specification has described the present invention in detail with reference to the above embodiments, those with ordinary knowledge in the technical field should understand that those with ordinary knowledge in the technical field can still modify the present invention or make equivalent replacements. All technical solutions and their improvements that do not depart from the spirit and scope of the present invention shall be covered within the scope of the patent application of the present invention.

[0039] 10: Lifter 11: Sliding part 12: First mating part 13: Rolling member 14: Arc part 20: Lifter base 21: Second mating part 30: Fixed insert 31: Guide part 40: Plastic part 41: Fourth mating part 50: Elastic part 60: Guide block 61: Hollow groove 70: Limit rod 71: Head 72: Rod part 80: Fixed rod 90: Washer 100: Top plate 121: Axial hole 131: Roller 132: Axle pin 141: Third mating part 200: Cavity 210: Upper cavity 211: First groove part 212: Second groove part 213: Third groove part 220: Lower cavity 300: Middle plate 301: Limit hole 301a: First hole part 301b: Second hole part 301c: Third hole part 400: Pad plate 500: Double plate 600: Bottom plate A, B1, B2, B3, C1, C2, C3, D1, D2, D3: Region H1, H2, L1, L2, L3, S1, S2: Distance

Claims

1. A linkage inclined jacking mechanism, comprising, from top to bottom, a cavity (200), a middle plate (300), a pad plate (400), and a cover plate (500), wherein the cavity (200) includes an upper cavity (210) and a lower cavity (220); the linkage inclined jacking mechanism further includes: A sloping top (10) is provided with a sliding part (11) and a first mating part (12). The composite plate (500) includes a second mating part (21). The first mating part (12) is adapted to the second mating part (21). The first mating part (12) can be translated along the second mating part (21). The first mating part (12) is translated within the second mating part (21) by a rolling element (13). The first mating part (12) is at least partially located in the second mating part (21). The rolling element (13) is located in the second mating part (21). A sloping top seat (20) is fixed on the composite plate (500). The sloping top seat (20) is connected to the lower end of the sloping top (10). The second mating part (21) is disposed on the sloping top seat (20). A fixing insert (30) is fixed to the pad plate (400). The fixing insert (30) is provided with a guide portion (31). The guide portion (31) is adapted to the sliding portion (11). The sliding portion (11) can be translated along the guide portion (31). A plastic part (40) is located between the upper cavity (210) and the lower cavity (220) and is at least partially attached to the inclined top (10). An elastic member (50) is provided between the middle plate (300) and the pad plate (400). A fixing rod (80) is fixed to the cover plate (500) and is at least partially located in the middle plate (300).

2. The linkage inclined jacking mechanism according to claim 1, wherein, The rolling element (13) includes a roller (131) and a pin (132). The first mating part (12) is provided with a shaft hole (121), and the pin (132) passes through the roller (131) and the shaft hole (121).

3. The linkage inclined jacking mechanism according to claim 2, wherein, The second mating part (21) includes a first groove (211) and a second groove (212) that are connected. The first groove (211) is located above the second groove (212), and the roller (131) is located in the second groove (212). In the axial direction of the rolling element (13), the width of the first groove (211) is smaller than the width of the second groove (212), and the width of the first groove (211) is equivalent to the width of the first mating part (12). The projection of the roller (131) in the vertical direction is at least partially located outside the first groove (211).

4. The linkage inclined jacking mechanism according to claim 1, wherein, The linkage inclined top mechanism also includes a guide block (60), which is fixed to the middle plate (300). The guide block (60) has a hollow groove (61), through which the inclined top seat (20) and the fixing insert (30) pass.

5. The linkage inclined jacking mechanism according to claim 1, wherein, The sloping top (10) has an arc-shaped portion (14) that is at least partially in close contact with the plastic part (40). The arc-shaped portion (14) has a third mating portion (141), and the plastic part (40) has a fourth mating portion (41) that is adapted to the third mating portion (141).

6. The linkage inclined jacking mechanism according to claim 1, wherein, The linkage inclined top mechanism also includes a limiting rod (70), one end of which is fixed to the pad (400), and the other end of which is located inside the middle plate (300). The elastic element (50) is sleeved on the outer periphery of the limiting rod (70). The limiting rod (70) includes a head (71) and a rod part (72), and the head (71) is located inside the middle plate (300).

7. The linkage inclined jacking mechanism according to claim 6, wherein, The middle plate (300) is provided with a limiting hole (301) that runs through from top to bottom. The limiting hole (301) includes a first hole portion (301a), a second hole portion (301b) and a third hole portion (301c) that are connected sequentially from top to bottom. The head (71) is located in the first hole portion (301a) and the elastic member (50) is at least partially located in the third hole portion (301c). The diameter of the first hole portion (301a) is adapted to the head (71), the diameter of the second hole portion (301b) is adapted to the rod portion (72), and the diameter of the third hole portion (301c) is adapted to the elastic member (50).

8. The linkage inclined jacking mechanism according to claim 1, wherein, When the lower surface of the middle plate (300) abuts against the upper surface of the pad (400), the elastic element (50) is in a compressed state.

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