CN218029675U - Multi-connecting-rod hinge - Google Patents

Abstract

The utility model discloses a multi-connecting-rod hinge, which comprises a first mounting seat, a second mounting seat, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod; the mounting groove is formed in the first mounting seat, the first connecting rod is hinged to the first mounting seat and the second connecting rod respectively, the third connecting rod is hinged to the first mounting seat and the second mounting seat respectively, one end of the second connecting rod is hinged to the second mounting seat, the other end of the second connecting rod is connected with the mounting groove in a sliding mode, one end of the fourth connecting rod is hinged to the second mounting seat, and the other end of the fourth connecting rod is connected with the mounting groove in a sliding mode. The utility model discloses can improve the atress upper limit of hinge, improve the security of hinge.

Description

Multi-connecting-rod hinge

Technical Field

The utility model relates to a door and window technical field especially relates to a multi-link hinge.

Background

The current hinge is four connecting rods or five connecting rods's flat-open hinge usually, when being in the open mode and meeting strong wind at the window, only four connecting rods or five connecting rods are at the atress, and the power that receives directly acts on the hinge, can cause irrecoverable destruction to the hinge, perhaps causes the damage to window section bar itself, consequently, current hinge has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a many connecting rods hinge can improve the atress upper limit of hinge, has reduced the potential safety hazard.

The utility model provides a multi-link hinge, multi-link hinge includes first mount pad, second mount pad, head rod, second connecting rod, third connecting rod and fourth connecting rod, be equipped with the mounting groove on the first mount pad, the head rod respectively with first mount pad with the second connecting rod is articulated, the third connecting rod respectively with first mount pad with the second mount pad is articulated, the one end of second connecting rod with the second mount pad is articulated, the other end with mounting groove sliding connection, the one end of fourth connecting rod with the second mount pad is articulated, the other end with mounting groove sliding connection.

Further, still include first slip subassembly and second slip subassembly, first slip subassembly with the second slip subassembly is located in the mounting groove, the fourth connecting rod with first slip subassembly is articulated, the second connecting rod with the second slip subassembly is articulated.

Further, the first sliding assembly includes a first sliding plate, a second sliding plate, and a third sliding plate; the first sliding plate is arranged on one surface of the mounting groove, the second sliding plate is arranged on the other surface of the mounting groove, and the third sliding plate is arranged on the second sliding plate; the fourth connecting rod passes through the first sliding plate and the second sliding plate through a connecting shaft and is hinged with the third sliding plate.

Further, the second sliding assembly includes a fourth sliding plate, a fifth sliding plate, and a sixth sliding plate; the fourth sliding plate is arranged on one surface of the mounting groove, the fifth sliding plate is arranged on the other surface of the mounting groove, and the sixth sliding plate is arranged on the fifth sliding plate; the second connecting rod passes through the fourth sliding plate and the fifth sliding plate through a connecting shaft and is hinged with the sixth sliding plate.

The sliding device further comprises a third sliding assembly and a sliding piece, wherein the third sliding assembly is arranged in the mounting groove, and the sliding piece is arranged on the third sliding assembly;

the second connecting rod is hinged to the third sliding assembly, and the fourth connecting rod is hinged to the sliding piece, or the second connecting rod is hinged to the sliding piece, and the fourth connecting rod is hinged to the third sliding assembly.

Further, the third sliding assembly includes a seventh sliding plate, an eighth sliding plate, and a ninth sliding plate; the seventh sliding plate is arranged on one surface of the mounting groove, the eighth sliding plate is arranged on the other surface of the mounting groove, and the ninth sliding plate is arranged on the eighth sliding plate; the fourth connecting rod or the second connecting rod is hinged to the sliding member through a connecting shaft, the seventh sliding plate is connected to the ninth sliding plate through at least one fastening member passing through the eighth sliding plate, and the second connecting rod or the fourth connecting rod is hinged to the ninth sliding plate through a connecting shaft passing through the seventh sliding plate and the eighth sliding plate.

Furthermore, a limiting assembly is arranged on the first mounting seat and comprises a fixing plate and a third limiting plate; the third limiting plate is arranged on one surface of the first mounting seat, the fixed plate is arranged on the third limiting plate, the third limiting plate and the fixed plate are hinged to the first mounting seat through a connecting shaft, a first limiting portion is arranged on one side, facing the ninth sliding plate, of the third limiting plate, and a butting portion is arranged on one side, facing the first limiting portion, of the ninth sliding plate.

Furthermore, one end of the third connecting rod penetrates through the first mounting seat through a connecting shaft and is hinged with a fourth limiting plate, and a second limiting part is arranged on one surface of the first mounting seat, close to the fourth limiting plate; the other end of the third connecting rod is hinged with the second mounting seat.

Further, the connecting rod further comprises a first sealing element and a second sealing element, and the third connecting rod is hinged with the second mounting seat through the first sealing element; the second sealing element is arranged at one end of the first mounting seat and comprises a sealing plate and a special-shaped wall formed along the outer side of the sealing plate, and the special-shaped wall can be abutted to the first sealing element.

Furthermore, a third limiting part is arranged on one side, facing the third connecting rod, of the sealing plate; the sealing plate is fixed on the first mounting seat through the matching of a fixing piece and the connecting shaft, wherein the first mounting seat is provided with a positioning part matched with the fixing piece and a positioning hole matched with the third limiting part.

The utility model provides a many connecting rods hinge, through the fourth connecting rod slip that will increase articulate in the mounting groove of first mount pad, can improve the bearing capacity of whole hinge, improved the security.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a structural diagram of a multi-link hinge in a folded state according to an embodiment of the present invention;

FIG. 2 is a block diagram of the embodiment of FIG. 1 with the multi-link hinge in a deployed state;

FIG. 3 is an exploded view of the embodiment of FIG. 1 providing a first perspective of a multi-link hinge;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an exploded view of the embodiment of FIG. 1 providing a second perspective of the multi-link hinge;

fig. 6 is a structural view of a multi-link hinge according to another embodiment of the present invention in an unfolded state;

FIG. 7 is an exploded view of the embodiment of FIG. 6 providing a first perspective of a multi-link hinge;

FIG. 8 is an enlarged view of portion B of FIG. 7;

FIG. 9 is an exploded view of the embodiment of FIG. 6 providing a second perspective of the multi-link hinge;

fig. 10 is a structural view of a multi-link hinge according to another embodiment of the present invention in a deployed state.

Reference numerals: 1. a first mounting seat; 2. a second mounting seat; 3. a fourth connecting rod; 4. a second connecting rod; 5. a third connecting rod; 6. a first connecting rod; 7. mounting grooves; 8. a first slide assembly; 9. a first sliding plate; 10. a second sliding plate; 11. a third sliding plate; 12. mounting holes; 13. a bump; 14. a second slide assembly; 15. a fourth sliding plate; 16. a fifth sliding plate; 17. a sixth sliding plate; 18. a first limit plate; 19. a connecting shaft; 20. a fastener; 21. a third sliding assembly; 22. a seventh sliding plate; 23. an eighth sliding plate; 24. a ninth sliding plate; 25. a slider; 26. a second limiting plate; 27. a limiting component; 28. a fixing plate; 29. a third limiting plate; 30. a first limiting part; 31. a first gasket; 32. a second gasket; 33. a second limiting part; 34. a first seal member; 35. a second seal member; 36. sealing plates; 37. a profiled wall; 38. a third limiting part; 39. a fixing member; 40. a fourth limiting part; 41. a positioning part; 42. positioning holes; 43. an abutting portion; 44. a restriction site; 45. and a fourth limiting plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

Referring to fig. 1 to 9, fig. 1 is a structural diagram of a multi-link hinge in a folded state according to an embodiment of the present invention; FIG. 2 is a block diagram of the embodiment of FIG. 1 with the multi-link hinge in a deployed state; FIG. 3 is an exploded view of the embodiment of FIG. 1 providing a first perspective of a multi-link hinge; FIG. 4 is an enlarged view of portion A of FIG. 3; FIG. 5 is an exploded view of the embodiment of FIG. 1 providing a second perspective of the multi-link hinge;

fig. 6 is a structural view of a multi-link hinge according to another embodiment of the present invention in an unfolded state; FIG. 7 is an exploded view of the embodiment of FIG. 6 providing a first perspective of a multi-link hinge; FIG. 8 is an enlarged view of portion B of FIG. 7; FIG. 9 is an exploded view of the embodiment of FIG. 6 providing a second perspective of the multi-link hinge;

fig. 10 is a structural view of a multi-link hinge according to another embodiment of the present invention in a deployed state.

As shown in fig. 1 to 5, the multi-link hinge provided by the present invention includes a first mounting seat 1, a second mounting seat 2, a first connecting rod 6, a second connecting rod 4, a third connecting rod 5, and a fourth connecting rod 3; be equipped with mounting groove 7 on the first mount pad 1, head rod 6 is articulated with first mount pad 1 and second connecting rod 4 respectively, and third connecting rod 5 is articulated with first mount pad 1 and second mount pad 2 respectively, and 4 one ends of second connecting rod are articulated with second mount pad 2, and its other end and mounting groove 7 sliding connection, the one end and the second mount pad 2 of fourth connecting rod 3 are articulated, and the other end and mounting groove 7 sliding connection.

Specifically, the body of the hinge includes a first mounting seat 1, a second mounting seat 2, a first connecting rod 6, a second connecting rod 4, a third connecting rod 5, and a fourth connecting rod 3, i.e., six connecting rods including the first mounting seat 1 and the second mounting seat 2. As shown in fig. 2, the one end of head rod 6, second connecting rod 4, third connecting rod 5 and fourth connecting rod 3 all articulates on first mount pad 1, the other end of second connecting rod 4, third connecting rod 5 and fourth connecting rod 3 all articulates on second mount pad 2, the other end of head rod 6 articulates on second connecting rod 4, and the articulated end of fourth connecting rod 3 and first mount pad 1 is located in the spout of first mount pad 1, can follow the spout and remove. A new connecting rod (a fourth connecting rod 3) is added on the basis of the five-connecting rod, and the fourth connecting rod 3 assists the five-connecting rod to improve the bearing capacity of the whole hinge. For example, can be with the utility model provides an in the multi-link hinge is applied to the window, install first mount pad 1 on the window frame, second mount pad 2 is installed on the window form.

As a further embodiment, the device also comprises a first sliding component 8 and a second sliding component 14, wherein the first sliding component 8 and the second sliding component 14 are arranged in the mounting groove 7, the fourth connecting rod 3 is hinged with the first sliding component 8, and the second connecting rod 4 is hinged with the second sliding component 14.

Wherein, first slider assembly 8 and second slider assembly 14 all locate in mounting groove 7, can slide along mounting groove 7, and then make the fourth connecting rod 3 of being connected with first slider assembly 8 and the second connecting rod 4 of being connected with second slider assembly 14 all can follow mounting groove 7 and slide to the degree that opens and shuts of adjustment hinge.

As a further embodiment, the first sliding assembly 8 comprises a first sliding plate 9, a second sliding plate 10 and a third sliding plate 11; the first sliding plate 9 is arranged on one surface of the mounting groove 7, the second sliding plate 10 is arranged on the other surface of the mounting groove 7, and the third sliding plate 11 is arranged on the second sliding plate 10; the fourth connecting rod 3 passes through the first sliding plate 9 and the second sliding plate 10 through a connecting shaft 19 and is hinged with the third sliding plate 11.

As shown in fig. 3, one or more mounting holes 12 may be provided on each of the first sliding plate 9, the second sliding plate 10 and the third sliding plate 11, and the mounting holes 12 are used for cooperating with the fastening member 20 or the connecting shaft 19 to achieve the hinging or fixing function. The first sliding plate 9, the first mounting seat 1, the second sliding plate 10 and the third sliding plate 11 are stacked, one of the mounting holes 12 of the third sliding plate 11 is a threaded hole, and the fastening member 20 sequentially passes through the threaded holes of the first sliding plate 9, the mounting groove 7, the second sliding plate 10 and the third sliding plate 11, so that the first sliding assembly 8 is fixed on the first mounting seat 1, and the operating force of the hinge can be adjusted by adjusting the tightness of the fastening member 20. The connecting shaft 19 sequentially passes through the fourth connecting rod 3, the first sliding plate 9, the mounting groove 7, the second sliding plate 10 and the third sliding plate 11 to hinge the fourth connecting rod 3 on the first mounting seat 1. Finally, the first sliding member 8 is formed to be movable along the mounting groove 7 to adjust the degree of opening and closing of the hinge. In addition, a protrusion 13 may be provided on first sliding plate 9 or third sliding plate 11 for cooperating with mounting groove 7 to facilitate sliding of first sliding assembly 8 along mounting groove 7.

As a further example, the second sliding assembly 14 includes a fourth sliding plate 15, a fifth sliding plate 16, and a sixth sliding plate 17; the fourth sliding plate 15 is arranged on one surface of the mounting groove 7, the fifth sliding plate 16 is arranged on the other surface of the mounting groove 7, and the sixth sliding plate 17 is arranged on the fifth sliding plate 16; the second connecting rod 4 passes through the fourth sliding plate 15 and the fifth sliding plate 16 through a connecting shaft 19, and is hinged with the sixth sliding plate 17.

Wherein, the fastening member 20 passes through the mounting groove 7, the fifth sliding plate 16 and the sixth sliding plate 17 in sequence to fix the fifth sliding plate 16 and the sixth sliding plate 17 on the first mounting groove 7, wherein the mounting hole 12 of the sixth sliding plate 17 connected with the fastening member 20 is a threaded hole. The connecting shaft 19 sequentially passes through the second connecting rod 4, the first sliding plate 9, the mounting groove 7, the second sliding plate 10 and the third sliding plate 11, thereby hinging the second connecting rod 4 to the first mounting seat 1. In addition, the second sliding assembly 14 may further include a first limiting plate 18, the first limiting plate 18 is disposed on the sixth sliding plate 17, as shown in fig. 4, meanwhile, the fastening member 20 may be exposed on the back of the sixth sliding plate 17, and the first limiting plate 18 abuts against the sixth sliding plate 17, when the second connecting rod 4 rotates, the fastening member 20 may be used to limit the first limiting plate 18, so as to limit the rotation angle of the second connecting rod 4, and also ensure that the first limiting plate 18 does not exit from the slot.

As a further embodiment, one end of the third connecting rod 5 passes through the first mounting seat 1 through a connecting shaft 19 and is hinged to the fourth limiting plate 45, and a second limiting portion 33 is arranged on one surface of the first mounting seat 1 near the second limiting plate 26; the other end of the third connecting rod 5 is hinged with the second mounting seat 2.

Wherein, the fourth limiting plate 45 is attached to the back of the first mounting seat 1, and a second limiting portion 33 is disposed near the fourth limiting plate 45 on the back of the first mounting seat 1, and the second limiting portion 33 is used for limiting the rotation distance of the fourth limiting plate 45, so as to limit the rotation distance of the third connecting rod 5. In addition, one end of the first connecting rod 6 may be hinged to the second connecting rod 4 through a first gasket 31, and the other end thereof may be hinged to the first mounting seat 1 through a second gasket 32. The first shim 31 is used to ensure that the movement pattern of the first connecting rod 6 is controllable. Second gasket 32 may have a convex point thereon, and first mounting base 1 may have a concave point thereon, so that second gasket 32 is prevented from displacement by the cooperation of the convex point and the concave point.

As a further embodiment, the device further comprises a first sealing member 34 and a second sealing member 35, and the third connecting rod 5 is hinged with the second mounting seat 2 through the first sealing member 34; the second seal member 35 is provided at one end of the first mounting seat 1, and the second seal member 35 includes a seal plate 36 and a shaped wall 37 formed along an outer side of the seal plate 36, and the shaped wall 37 is adapted to abut against the first seal member 34.

The first sealing element 34 and the second sealing element 35 are used for enhancing the sealing performance of the hinge, and the profiled wall 37 is used for abutting against the first sealing element 34 and limiting the first sealing element 34.

As a further example, a third limiting portion 38 is provided on one side of the sealing plate 36 facing the third connecting rod 5; the sealing plate 36 is fixed on the first mounting seat 1 by a fixing member 39 and a connecting shaft 19, wherein the first mounting seat 1 is provided with a positioning portion 41 matched with the fixing member 39 and a positioning hole 42 matched with the third limiting portion 38.

The first mounting base 1 is provided with a positioning portion 41 engaged with the fixing member 39 and a positioning hole 42 engaged with the third limiting portion 38, which can limit the hinge when the hinge is subjected to a continuous or instantaneous maximum angle opening impact. In addition, a fourth limiting portion 40 may be disposed at a hinge joint of the third connecting rod 5 and the second mounting seat 2. The spacing portion of fourth 40 is a bellied platform, and on this bellied platform was located to mounting hole 12, third connecting rod 5 was articulated with second mount pad 2 through the cooperation of this mounting hole 12 with connecting axle 19, and simultaneously, first sealing member 34 was fixed in the back of second mount pad 2 through connecting axle 19, and this connecting axle 19 can cooperate with the spacing portion of fourth 40, and the rotation angle of restriction third connecting rod 5 can receive at the hinge and last or play limiting displacement when the striking is opened to the biggest angle in the twinkling of an eye.

Referring to fig. 7-10, two additional embodiments of the multi-link hinge provided by the present invention are shown. Fig. 7 to 9 are structural views of a multi-link hinge in one embodiment, and fig. 10 is a structural view of a multi-link hinge in another embodiment, which are different in the position where the second link 4 and the fourth link 3 are hinged. The embodiment illustrated in fig. 7 to 10 mainly differs from the embodiment illustrated in fig. 1 to 6 in the way in which the second connecting rod 4 and the fourth connecting rod 3 are arranged in the mounting groove 7. In this embodiment, the device further comprises a third sliding assembly 21 and a sliding member 25, wherein the third sliding assembly 21 is arranged in the mounting groove 7, and the sliding member 25 is arranged on the third sliding assembly 21; the second connecting rod 4 is hinged with the third sliding component 21, and the fourth connecting rod 3 is hinged with the sliding component 25, or the second connecting rod 4 is hinged with the sliding component 25, and the fourth connecting rod 3 is hinged with the third sliding component 21.

As a further example, the third sliding assembly 21 includes a seventh sliding plate 22, an eighth sliding plate 23, and a ninth sliding plate 24; the seventh sliding plate 22 is arranged on one surface of the mounting groove 7, the eighth sliding plate 23 is arranged on the other surface of the mounting groove 7, and the ninth sliding plate 24 is arranged on the eighth sliding plate 23; the fourth connecting rod 3 or the second connecting rod 4 is hinged with the sliding piece 25 through a connecting shaft 19, the seventh sliding plate 22 is connected with the ninth sliding plate 24 through the eighth sliding plate 23 by at least one fastener 20, and the second connecting rod 4 or the fourth connecting rod 3 is hinged with the ninth sliding plate 24 through the seventh sliding plate 22 and the eighth sliding plate 23 by a connecting shaft 19.

Referring to fig. 7 to 9, the third sliding assembly 21 may include a seventh sliding plate 22, an eighth sliding plate 23, a ninth sliding plate 24 and a sliding member 25 as shown in fig. 6 and 7, and the seventh sliding plate 22, the eighth sliding plate 23, the ninth sliding plate 24 and the sliding member 25 may be provided with one or more mounting holes 12, and the mounting holes 12 are used for cooperating with the fastening member 20 or the connecting shaft 19 to achieve the hinging or fixing function. The seventh sliding plate 22, the eighth sliding plate 23 and the ninth sliding plate 24 are all long in length for providing a sufficient sliding distance for the sliding member 25. The third slider assembly 21 is fixed to the first mount base 1 by passing the fastening member 20 through the seventh slider plate 22, the mounting groove 7, the eighth slider plate 23, the ninth slider plate 24, and the slider 25 in this order. By sequentially passing the connecting shaft 19 through the fourth connecting rod 3 and the slider 25, so as to hinge the fourth connecting rod 3 on the third sliding assembly 21, the slider 25 can move along the seventh sliding plate 22, so as to adjust the opening and closing degree of the fourth connecting rod 3. The second connecting link 4 is hinged on the first mounting groove 7 by passing the connecting shaft 19 through the second connecting link 4, the seventh sliding plate 22, the mounting groove 7, the eighth sliding plate 23, the ninth sliding plate 24, and the slider 25 in this order. In addition, the third sliding assembly 21 may further include a second limiting plate 26, the second limiting plate 26 is disposed on the ninth sliding plate 24, meanwhile, another mounting hole 12 is disposed beside the mounting hole 12 where the second connecting rod 4 is hinged to the third sliding assembly 21, the fastening member 20 sequentially passes through the seventh sliding plate 22, the mounting groove 7, the eighth sliding plate 23 and the mounting hole 12 of the ninth sliding plate 24, so that the fastening member 20 is exposed from the ninth sliding plate 24, the second limiting plate 26 is attached to the ninth sliding plate 24, and the fastening member 20 may be configured to limit the second limiting plate 26 and limit the rotation direction of the second connecting rod 4. In addition, a limit point 44 for limiting a sliding distance of the slider 25 may be provided on the seventh sliding plate 22.

Referring to fig. 10, in fig. 10, the second connecting rod 4 is hinged to the third sliding assembly 21, the fourth connecting rod 3 is hinged to the sliding piece 25, and the structure of the third sliding assembly 21 and the matching manner of the sliding piece 25 and the third sliding assembly 21 are the same as the above and will not be described again.

As a further embodiment, the first mounting seat 1 is provided with a limiting assembly 27, and the limiting assembly 27 includes a fixing plate 28 and a third limiting plate 29; the third limiting plate 29 is disposed on one side of the first mounting seat 1, the fixed plate 28 is disposed on the third limiting plate 29, and the third limiting plate 29 and the fixed plate 28 are connected to the first mounting seat 1 through a connecting shaft 19, wherein a first limiting portion 30 is disposed on one side of the third limiting plate 29 facing the ninth sliding plate 24, and an abutting portion 43 is disposed on one side of the ninth sliding plate 24 facing the first limiting portion 30.

The limiting component 27 is disposed at one end of the mounting groove 7, the third limiting plate 29 of the limiting component 27 is disposed with the first limiting portion 30 matched with the abutting portion 43 on the ninth sliding plate 24, when the ninth sliding plate 24 slides to abut against the first limiting portion 30, the third limiting plate 29 can limit the movement of the ninth sliding plate 24, and meanwhile, the third limiting plate 29 can also provide a supporting force for providing a pressure-resistant capability for the hinge. In addition, the first position-limiting portion 30 may be a protrusion with a groove, and the first abutting portion 43 may be a protrusion with a hook, so that the groove can be hooked by the hook, and the first mounting groove 7 is prevented from being pulled out and deformed when the hinge receives lateral wind force. Meanwhile, a positioning part 41 can be arranged on the first mounting seat 1 near the third limiting plate 29 to provide support for the third limiting plate 29.

The utility model discloses a fourth connecting rod 3 that increases has improved the holistic bearing capacity of hinge, simultaneously, is equipped with corresponding spacing portion through the hinged end at each connecting rod, has further improved the bearing capacity of hinge, prevents hinge bending deformation, has improved the security.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A multi-connecting-rod hinge comprises a first mounting seat, a second mounting seat, a first connecting rod, a second connecting rod and a third connecting rod, wherein a mounting groove is arranged on the first mounting seat, the first connecting rod is respectively hinged with the first mounting seat and the second connecting rod, the third connecting rod is respectively hinged with the first mounting seat and the second mounting seat, one end of the second connecting rod is hinged with the second mounting seat, and the other end of the second connecting rod is connected with the mounting groove in a sliding manner,

still include the fourth connecting rod, the one end of fourth connecting rod with the second mount pad is articulated, the other end with mounting groove sliding connection.

2. The multi-link hinge of claim 1 further comprising a first slider assembly and a second slider assembly, said first slider assembly and said second slider assembly disposed within said mounting slot, said fourth connecting rod hingedly connected to said first slider assembly, said second connecting rod hingedly connected to said second slider assembly.

3. The multi-link hinge of claim 2 wherein the first sliding assembly comprises a first sliding plate, a second sliding plate, and a third sliding plate;

the first sliding plate is arranged on one surface of the mounting groove, the second sliding plate is arranged on the other surface of the mounting groove, and the third sliding plate is arranged on the second sliding plate;

the fourth connecting rod passes through the first sliding plate and the second sliding plate through a connecting shaft and is hinged with the third sliding plate.

4. The multi-link hinge of claim 2 wherein the second sliding member comprises a fourth sliding plate, a fifth sliding plate, and a sixth sliding plate;

the fourth sliding plate is arranged on one surface of the mounting groove, the fifth sliding plate is arranged on the other surface of the mounting groove, and the sixth sliding plate is arranged on the fifth sliding plate;

the second connecting rod passes through the fourth sliding plate and the fifth sliding plate through a connecting shaft and is hinged with the sixth sliding plate.

5. The multi-link hinge of claim 1 further comprising a third slide assembly and a slider, wherein the third slide assembly is disposed within the mounting slot and the slider is disposed on the third slide assembly;

the second connecting rod is hinged to the third sliding assembly, and the fourth connecting rod is hinged to the sliding piece, or the second connecting rod is hinged to the sliding piece, and the fourth connecting rod is hinged to the third sliding assembly.

6. The multi-link hinge of claim 5, wherein the third sliding assembly includes a seventh sliding plate, an eighth sliding plate, and a ninth sliding plate;

the seventh sliding plate is arranged on one surface of the mounting groove, the eighth sliding plate is arranged on the other surface of the mounting groove, and the ninth sliding plate is arranged on the eighth sliding plate;

the fourth connecting rod or the second connecting rod is hinged to the sliding member through a connecting shaft, the seventh sliding plate is connected to the ninth sliding plate through at least one fastening member passing through the eighth sliding plate, and the second connecting rod or the fourth connecting rod passes through the seventh sliding plate and the eighth sliding plate through a connecting shaft and is hinged to the ninth sliding plate.

7. The multi-link hinge of claim 6, wherein the first mounting seat is provided with a limiting component, and the limiting component comprises a fixing plate and a third limiting plate;

the third limiting plate is arranged on one surface of the first mounting seat, the fixed plate is arranged on the third limiting plate, the third limiting plate and the fixed plate are hinged to the first mounting seat through a connecting shaft, a first limiting portion is arranged on one side, facing the ninth sliding plate, of the third limiting plate, and a butting portion is arranged on one side, facing the first limiting portion, of the ninth sliding plate.

8. The multi-link hinge according to claim 2 or 5, wherein one end of the third connecting rod passes through the first mounting seat through a connecting shaft and is hinged to a fourth limiting plate, and a second limiting portion is disposed on one surface of the first mounting seat near the fourth limiting plate;

the other end of the third connecting rod is hinged with the second mounting seat.

9. The multi-link hinge of claim 8, further comprising a first seal and a second seal, the third connecting link being hingedly connected to the second mount through the first seal;

the second sealing element is arranged at one end of the first mounting seat and comprises a sealing plate and a special-shaped wall formed along the outer side of the sealing plate, and the special-shaped wall can be abutted to the first sealing element.

10. The multi-link hinge of claim 9, wherein a third stopper is provided at a side of the sealing plate facing the third connecting link;

the sealing plate is fixed on the first mounting seat through the matching of a fixing piece and the connecting shaft, wherein the first mounting seat is provided with a positioning part matched with the fixing piece and a positioning hole matched with the third limiting part.

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