Heavy-load adjustable hinge

Abstract

A heavy-load adjustable hinge comprises a frame hinge piece, a door hinge piece and a rotating shaft assembly used for connecting the frame hinge piece and the door hinge piece, a plurality of kidney-shaped holes are formed in the frame hinge piece, and the frame hinge piece is fixed to a door frame through screws penetrating through the kidney-shaped holes. The heavy-load adjustable hinge further comprises a limiting assembly used for preventing the frame hinge piece from longitudinally sliding, the limiting assembly comprises at least one supporting block and at least one adjusting piece, the supporting block comprises a round hole, and the supporting block is fixed to a door frame through a screw penetrating through the round hole. The adjusting piece is connected with the frame hinge piece and the supporting block, and after the frame hinge piece and the supporting block are fixed to the door frame, the supporting block applies longitudinal force to the frame hinge piece through the adjusting piece. The limiting assembly connected with the frame hinge piece is arranged, longitudinal force is applied to the frame hinge piece, sliding between the frame hinge piece and the door frame is reduced, and therefore the hinge stability of the door frame and the door leaf is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hinges, and in particular relates to a heavy-load adjustable hinge. Background Art

[0002] A hinge, also known as a hinge, is a mechanical device used to connect two solids and allow them to rotate relative to each other. A hinge may be made of movable components or foldable materials. According to the material classification, it is mainly divided into stainless steel hinges and iron hinges. Traditional hinges include a pair of metal leaves, leafs and frame leaves. The leafs are fixed to the door leaf, and the frame leaves are fixed to the door frame. When this type of hinge is installed between the door leaf and the door gap, people can observe the existence of the hinge from the outside or inside of the door. This exposed hinge is gradually replaced by a concealed hinge.

[0003] Waist-shaped holes are usually set on the door leaves or frame leaves to facilitate up and down or left and right adjustment during installation. The waist-shaped holes on most frame leaves are vertical and are used to adjust the position of the frame leaves and the door frame up and down. Because the door leaf itself has a large gravity, after the door leaf is hinged to the hinge, under the action of the vertical gravity of the door leaf, the door leaf easily drives the frame leaf to slide vertically relative to the door frame in the waist-shaped holes, making it impossible to achieve stable hinge connection between the door frame and the door leaf. Utility Model Content

[0004] The utility model aims to solve the problem that the existing hinge cannot adjust the door leaf in the vertical direction and realize the stable connection between the door leaf and the hinge, and provides a heavy-duty adjustable hinge.

[0005] The utility model solves its technical problem by adopting the following technical solution: providing a heavy-duty adjustable hinge, comprising a frame leaf, a door leaf and a rotating shaft assembly for connecting the frame leaf and the door leaf, the frame leaf having a plurality of waist holes, and the frame leaf being fixed to the door frame by screws passing through the waist holes, the heavy-duty adjustable hinge also comprising a limiting assembly for preventing the frame leaf from sliding longitudinally, the limiting assembly comprising at least one supporting block and at least one adjusting member, the supporting block comprising a circular hole, and the supporting block being fixed to the door frame by screws passing through the circular hole; the adjusting member being connected to the frame leaf and the supporting block respectively, and after the frame leaf and the supporting block are respectively fixed to the door frame, the supporting block applies a longitudinal force to the frame leaf through the adjusting member.

[0006] Furthermore, the limiting assembly includes two supporting blocks and two adjusting members, each of the supporting blocks is connected to the frame leaf piece via an adjusting member, and the two supporting blocks are respectively located at two ends of the frame leaf piece in the longitudinal direction.

[0007] 4. The repairing kit for automotive dents, according to claim 1, wherein the two trackballs are connected to the trackball backing of the tool with a plug in the forward end of the foot and a plug in the forward end of the foot. The trackball backing is configured to be connected to a vertical cam portion, the trackball backing being connected to a vertical cam portion. The trackball backing is configured to be connected to a vertical cam portion, the trackball backing being connected to a vertical cam portion.

[0008] Furthermore, the limit assembly also includes two limit screws, a limit plate is provided on one end of the support block connected to the frame page piece, the limit plate is longitudinally arranged, the limit plate is provided with a plurality of longitudinal limit adjustment holes, the frame page base is provided with a yield groove corresponding to the limit plate, the limit plate is at least partially inserted into the yield groove and is connected to the frame page base by a limit screw passing through the limit adjustment hole.

[0009] Furthermore, each of the limit plates is provided with two limit adjustment holes; the limit plate is also provided with a limit protrusion, the frame page base is provided with a limit groove connected with the give way groove, the limit protrusion is embedded in the limit groove and abuts against the inner wall of the limit groove, and the support block is adjusted relative to the frame page piece by the limit screw along the longitudinal movement of the limit adjustment hole.

[0010] Furthermore, the door leaf comprises a door leaf base connected to the door leaf and a first connecting block connected to the rotating shaft assembly; the frame leaf also comprises two second connecting blocks connected to the rotating shaft assembly, and the spacing between the two second connecting blocks is adapted to the longitudinal dimension of the first connecting block; the first connecting block and the second connecting block respectively comprise longitudinal through holes, and the rotating shaft assembly passes through the longitudinal through holes of the first connecting block and the second connecting block to hinge the frame leaf and the door leaf.

[0011] Furthermore, the door leaf base is also provided with a transverse adjustment hole and a positioning hole connected to the door leaf, the transverse adjustment hole is located on both sides of the first connecting block, and the positioning hole is located at an end of the door leaf base away from the first connecting block.

[0012] Furthermore, the rotating shaft assembly includes a page shaft, a fixing screw and a bearing. The page shaft passes through the first connecting block and the second connecting block and the end of the page shaft is fixed to the second connecting block by the fixing screw. The bearing is connected between the outer wall of the page shaft and the first connecting block. Two bearings are provided, and a copper sleeve is also provided between the two bearings and is sleeved on the outer wall of the page shaft.

[0013] Furthermore, the rotating shaft assembly also includes a fastening screw, and the frame page base is also provided with a fastening hole connected to the longitudinal through hole on the second connecting block, the fastening hole is perpendicular to the axial direction of the longitudinal through hole and is located on the side of the frame page base away from the second connecting block, and the fastening screw passes through the fastening hole and is tightened against the outer wall of the page shaft.

[0014] Furthermore, the first connecting block is connected to the door leaf base in a direction parallel to the transverse adjustment hole, one end of the first connecting block connected to the second connecting block protrudes out of the edge of the door leaf base, and the longitudinal through hole on the first connecting block completely extends out of the edge of the door leaf base.

[0015] The beneficial effect of the heavy-duty adjustable hinge provided by the utility model is that: by setting a limit assembly, when the frame leaf is installed on the door frame, the vertical position adjustment of the frame leaf and the door frame can be realized, and a longitudinal force in the vertical direction can be applied to the frame leaf, so as to resist the downward movement tendency caused by the gravity of the door leaf itself, thereby reducing the movement of the frame leaf and the door frame in the vertical direction driven by the door leaf, and improving the hinge stability of the door leaf and the door frame;

[0016] In addition, the door leaf is also provided with a transverse adjustment hole to realize the transverse position adjustment when the door leaf is connected to the door leaf, thereby satisfying the convenience of hinged installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an exploded schematic diagram of a heavy-duty adjustable hinge provided in Example 1 of the utility model;

[0018] Figure 2 This is an overall structural diagram of a heavy-duty adjustable hinge provided in Example 1 of the utility model;

[0019] Figure 3 It is a rear view of a frame leaf of a heavy-duty adjustable hinge provided in Example 1 of the utility model;

[0020] In the figure:

[0021] 1. Frame leaf piece; 11. Waist hole; 12. Frame leaf base; 121. Make way slot; 122. Limit slot; 13. Connecting seat; 14. Second connecting block; 2. Door leaf piece; 21. Door leaf base; 211. Horizontal adjustment hole; 212. Positioning hole; 22. First connecting block; 3. Rotating shaft assembly; 31. Leaf shaft; 32. Fixing screw; 33. Bearing; 34. Copper sleeve; 35. Fastening screw; 36. Fastening hole; 4. Limiting assembly; 41. Support block; 411. Round hole; 42. Adjusting piece; 43. Limiting screw; 44. Limiting plate; 441. Limiting adjustment hole; 442. Limiting protrusion. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] See also Figure 1 and Figure 2 , a heavy-duty adjustable hinge is provided in an embodiment of the utility model. The heavy-duty adjustable hinge can be used for the installation of doors, windows, etc. The heavy-duty adjustable hinge of this embodiment includes a frame leaf 1, a door leaf 2 and a rotating shaft assembly 3 for connecting the frame leaf 1 and the door leaf 2. The frame leaf 1 has a plurality of waist holes 11. The frame leaf 1 is fixed to the door frame by screws passing through the waist holes 11. In order to prevent the frame leaf 1 from moving relative to the door frame along the direction of the waist holes 11 due to the gravity of the door leaf itself after the frame leaf 1 is connected to the door leaf, the heavy-duty adjustable hinge also includes a screw for preventing the frame leaf 1 from moving longitudinally (i.e. Figure 1 The limit assembly 4 includes at least one support block 41 and at least one adjusting member 42. The support block 41 includes a circular hole 411, and the support block 41 is fixed to the door frame by a screw passing through the circular hole 411. The adjusting member 42 is connected to the frame leaf 1 and the support block 41 respectively along the vertical direction. After the frame leaf 1 and the support block 41 are respectively fixed to the door frame, the support block 41 applies a longitudinal force to the frame leaf 1 through the adjusting member 42, thereby resisting the movement of the frame leaf 1 relative to the door frame along the waist hole 11 due to the door leaf's own gravity, thereby improving the stability of the hinge between the door frame and the door leaf.

[0024] Specifically, in order to improve the stability of the hinge connection between the door frame and the door leaf, the limit assembly 4 includes two support blocks 41 and two adjustment members 42. Each support block 41 is connected to the frame leaf piece 1 through an adjustment member 42, and the two support blocks 41 are connected to the two ends of the frame leaf piece 1 along the length direction. In this embodiment, the direction of the frame leaf piece 1 and the direction of the waist hole 11 are both vertical directions (i.e. Figure 1The frame leaf 1 is hinged to the door leaf by the support block 41 and the adjusting member 42, and the longitudinal force applied by the support block 41 and the adjusting member 42 at the upper end of the frame leaf 1 can generate an upward pulling force on the frame leaf 1 hinged to the door leaf, and the longitudinal force applied by the support block 41 and the adjusting member 42 at the lower end of the frame leaf 1 can generate an upward reaction force opposite to the gravity on the frame leaf 1 hinged to the door leaf, thereby improving the hinge stability of the door frame and the door leaf.

[0025] In this embodiment, the adjusting member 42 includes an adjusting bolt; the frame leaf piece 1 includes a frame leaf base 12 and two connecting seats 13 integral with the frame leaf base 12, the two connecting seats 13 are respectively connected to the two ends of the frame leaf base 12 in the longitudinal direction, the connecting seat 13 has a sliding groove arranged along the length direction of the frame leaf base 12 and a baffle located on the sliding groove away from the end of the frame leaf base 12, and the baffle has a through hole, the diameter of the through hole is larger than the diameter of the stud of the adjusting bolt and smaller than the diameter of the screw head of the adjusting bolt; the support block 41 includes a threaded hole arranged in the longitudinal direction, the screw head of the adjusting bolt is located in the sliding groove, and the stud of the adjusting bolt passes through the baffle The adjusting bolts of the support block 41 threadedly connected to the upper part of the frame leaf 1 apply longitudinal force to the frame leaf 1 by pulling the corresponding baffle plate on the screw head, and the adjusting bolts of the support block 41 threadedly connected to the lower part of the frame leaf 1 push the end of the corresponding sliding groove away from the baffle plate on the screw head to apply longitudinal force to the frame leaf 1, thereby improving the hinge stability of the door frame and the door leaf, and the adjusting bolts are convenient to use and simple to operate, and the longitudinal force of the longitudinal limit of the frame leaf 1 can be generated by adjusting the threaded holes of the bolts, which greatly improves the convenience and efficiency of installing the support block 41 and the frame leaf 1.

[0026] In this embodiment, the limiting assembly 4 also includes two limiting screws 43, and a limiting plate 44 is provided at one end of the support block 41 connected to the frame leaf piece 1. The limiting plate 44 is longitudinally arranged, and the limiting plate 44 is provided with a plurality of longitudinal limiting adjustment holes 441. The frame leaf base 12 is provided with a giving groove 121 corresponding to the limiting plate 44. The limiting plate 44 is at least partially inserted into the giving groove 121 and is connected to the frame leaf base 12 by passing through the limiting screw 43 through the limiting adjustment hole 441. The support block 41 is first inserted into the giving groove 121 through the limiting plate 44 and is initially connected to the frame leaf base 12, and is longitudinally adjusted through the limiting adjustment hole 441, thereby realizing the position adjustment of the support block 41 and the frame leaf base 12, and realizing the convenience and accuracy of the connection between the support block 41 and the frame leaf base 12.

[0027] Specifically, in the present embodiment, two limit adjustment holes 441 are provided, and the two limit adjustment holes 441 are arranged in parallel in the vertical direction for adjusting the relative position of the support block 41 and the frame leaf base 12. A limit protrusion 442 is also provided on the limit plate 44. The limit protrusion 442 is arranged on the side of the threaded hole of the limit plate 44 facing the support block 41. The frame leaf base 12 is provided with a limit groove 122 connected with the give way groove 121. The limit protrusion 442 can be embedded in the limit groove 122 and abut against the inner wall of the limit groove 122. The limit protrusion 442 is inserted into the limit groove 122, and then the support block 41 is moved along the length direction of the limit adjustment hole 441 to adjust the relative position of the support block 41 and the frame leaf piece 1. Finally, the screws are passed through the limit adjustment holes 441 and the frame leaf base 12 in sequence, thereby realizing the preliminary connection between the support block 41 and the frame leaf piece 1 and improving the tightness of the connection between the support block 41 and the frame leaf piece 1.

[0028] In this embodiment, the door leaf 2 includes a door leaf base 21 connected to the door leaf and a first connecting block 22 connected to the shaft assembly 3; the frame leaf 1 also includes two second connecting blocks 14 connected to the shaft assembly 3, and the spacing between the two second connecting blocks 14 is adapted to the longitudinal dimension of the first connecting block 22; the first connecting block 22 and the second connecting block 14 respectively include longitudinal through holes, and the shaft assembly 3 passes through the longitudinal through holes of the first connecting block 22 and the second connecting block 14 to hinge the frame leaf 1 and the door leaf 2, and the two second connecting blocks 14 are clamped and connected to both sides of the first connecting block 22, thereby improving the tightness of the connection between the door leaf 2 and the frame leaf 1.

[0029] In this embodiment, in order to achieve position adjustment between the door leaf 2 and the door leaf, the door leaf base 21 is provided with a transverse adjustment hole 211 and a positioning hole 212 connected to the door leaf, and there are two transverse adjustment holes 211. The two transverse adjustment holes 211 are arranged in parallel on both sides of the first connecting block 22 in the horizontal direction, and the positioning hole 212 is located at the end of the door leaf base 21 away from the first connecting block 22. First, the screw is passed through the transverse adjustment hole 211 to adjust the horizontal position between the door leaf 2 and the door leaf. After the position adjustment is completed, it is fastened to the door leaf through the positioning hole 212 to achieve the tightness of the connection between the door leaf 2 and the door leaf.

[0030] In this embodiment, the rotating shaft assembly 3 includes a page shaft 31, a fixing screw 32 and a bearing 33. The page shaft 31 passes through the first connecting block 22 and the second connecting block 14, and the end of the page shaft 31 is fixed to the second connecting block 14 by the fixing screw 32. The end of the page shaft 31 is provided with a threaded hole compatible with the fixing screw 32. The bearing 33 is connected between the outer wall of the page shaft 31 and the first connecting block 22. In addition, two bearings 33 are provided, and a copper sleeve 34 sleeved on the outer wall of the page shaft 31 is provided between the two bearings 33. It can not only improve the tightness of the connection between the page shaft 31 and the first connecting block 22, but also ensure the smoothness of the rotation between the door leaf 2 and the frame leaf 1.

[0031] In this embodiment, the shaft assembly 3 further includes a fastening screw 35, and the frame leaf base 12 is further provided with a fastening hole 36 (such as Figure 3 ), the fastening hole 36 is perpendicular to the axial direction of the longitudinal through hole and is located on the side of the frame page base 12 away from the second connecting block 14, and the fastening screw 35 passes through the fastening hole 36 and is tightly pressed against the outer wall of the page shaft 31. Specifically, two fastening screws 35 are provided, and the two fastening screws 35 are pressed against the connecting position between the page shaft 31 and the second connecting block 14 to improve the connection tightness between the rotating shaft assembly 3 and the frame page piece 1.

[0032] In this embodiment, the first connecting block 22 is connected to the door leaf base 21 in a direction parallel to the transverse adjustment hole 211, and one end of the first connecting block 22 connected to the second connecting block 14 protrudes from the edge of the door leaf base 21, and the longitudinal through hole on the first connecting block 22 completely extends out of the edge of the door leaf base 21, thereby realizing a 180° rotation of the door leaf 2 relative to the frame leaf 1, thereby realizing a 180° opening of the door leaf, thereby improving the applicability of the hinge.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heavy-duty adjustable hinge, comprising a frame leaf, a door leaf and a rotating shaft assembly for connecting the frame leaf and the door leaf, wherein the frame leaf has a plurality of waist holes, and the frame leaf is fixed to the door frame by screws passing through the waist holes, characterized in that: The heavy-load adjustable hinge also includes a limit assembly for preventing the frame leaf from sliding longitudinally, the limit assembly includes at least one support block and at least one adjusting member, the support block includes a circular hole, and the support block is fixed to the door frame by a screw passing through the circular hole; the adjusting member is respectively connected to the frame leaf and the support block, and after the frame leaf and the support block are respectively fixed to the door frame, the support block applies a longitudinal force to the frame leaf through the adjusting member.

2. The heavy-duty adjustable hinge according to claim 1, characterized in that: The limiting assembly comprises two supporting blocks and two adjusting members, each supporting block is connected to the frame leaf piece via an adjusting member, and the two supporting blocks are respectively located at two ends of the frame leaf piece in the longitudinal direction.

3. The heavy-duty adjustable hinge according to claim 2, characterized in that: The adjusting member comprises an adjusting bolt; the frame leaf piece comprises a frame leaf base and two connecting seats which are integral with the frame leaf base, and the two connecting seats are respectively connected to the two ends of the frame leaf base in the longitudinal direction; the connecting seat has a longitudinally arranged sliding groove and a baffle plate which is located on the sliding groove at one end away from the frame leaf base, and the baffle plate has a through hole, the diameter of the through hole is larger than the diameter of the stud of the adjusting bolt and smaller than the diameter of the screw head of the adjusting bolt; the supporting block comprises a longitudinally arranged threaded hole, the screw head of the adjusting bolt is located in the sliding groove, and the stud of the adjusting bolt passes through the through hole of the baffle plate and is threadedly connected to the threaded hole of the supporting block; The adjusting bolt threadedly connected to the support block above the frame leaf piece applies longitudinal force to the frame leaf piece by pulling the corresponding baffle plate on the screw head, and the adjusting bolt threadedly connected to the support block below the frame leaf piece applies longitudinal force to the frame leaf piece by pushing the end of the corresponding sliding groove away from the baffle plate on the screw head.

4. The heavy-duty adjustable hinge according to claim 3, characterized in that: The limiting assembly also includes two limiting screws, a limiting plate is provided on one end of the support block connected to the frame leaf piece, the limiting plate is longitudinally arranged, the limiting plate is provided with a plurality of longitudinal limiting adjustment holes, the frame leaf base is provided with a yield groove corresponding to the limiting plate, the limiting plate is at least partially inserted into the yield groove and is connected to the frame leaf base by a limiting screw passing through the limiting adjustment hole.

5. The heavy-duty adjustable hinge according to claim 4, characterized in that: Each of the limit plates is provided with two limit adjustment holes; the limit plate is also provided with a limit protrusion, the frame page base is provided with a limit groove connected with the give way groove, the limit protrusion is embedded in the limit groove and abuts against the inner wall of the limit groove, and the support block is adjusted in relative position with the frame page piece by a limit screw along the longitudinal movement of the limit adjustment hole.

6. The heavy-duty adjustable hinge according to any one of claims 3 to 5, characterized in that: The door leaf comprises a door leaf base connected to the door leaf and a first connecting block connected to the rotating shaft assembly; the frame leaf also comprises two second connecting blocks connected to the rotating shaft assembly, and the spacing between the two second connecting blocks is adapted to the longitudinal dimension of the first connecting block; the first connecting block and the second connecting block respectively comprise longitudinal through holes, and the rotating shaft assembly passes through the longitudinal through holes of the first connecting block and the second connecting block to hinge the frame leaf and the door leaf.

7. The heavy-duty adjustable hinge according to claim 6, characterized in that: The door leaf base is also provided with a transverse adjustment hole and a positioning hole connected to the door leaf, the transverse adjustment hole is located on both sides of the first connecting block, and the positioning hole is located at one end of the door leaf base away from the first connecting block.

8. The heavy-duty adjustable hinge according to claim 7, characterized in that: The rotating shaft assembly includes a page shaft, a fixing screw and a bearing. The page shaft passes through the first connecting block and the second connecting block and the end of the page shaft is fixed to the second connecting block by the fixing screw. The bearing is connected between the outer wall of the page shaft and the first connecting block. Two bearings are provided, and a copper sleeve is provided between the two bearings and is sleeved on the outer wall of the page shaft.

9. The heavy-duty adjustable hinge according to claim 8, characterized in that: The rotating shaft assembly also includes a fastening screw, and the frame page base is also provided with a fastening hole connected to the longitudinal through hole on the second connecting block. The fastening hole is perpendicular to the axial direction of the longitudinal through hole and is located on the side of the frame page base away from the second connecting block. The fastening screw passes through the fastening hole and is tightened against the outer wall of the page shaft.

10. The heavy-duty adjustable hinge according to claim 9, characterized in that: The first connecting block is connected to the door leaf base in a direction parallel to the transverse adjustment hole, one end of the first connecting block connected to the second connecting block protrudes out of the edge of the door leaf base, and the longitudinal through hole on the first connecting block completely extends out of the edge of the door leaf base.

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