A casement door top and bottom axis hinge and casement door

Abstract

The present invention discloses a casement door top and bottom axis hinge and a casement door, wherein the side portion of the lower rotating shaft of the top and bottom axis hinge is provided with a first fastening piece fastened to the door frame, the side portion of the lower shaft sleeve is provided with a first corner piece covering and fastened to the corner of the leaf frame, the side portion of the upper rotating shaft is provided with a second fastening piece covering and fastened to the door frame, the side portion of the upper shaft sleeve is provided with a second corner piece covering and fastened to the corner of the leaf frame, a plane bearing is sleeved on the lower rotating shaft, and the lower shaft sleeve is supported on the plane bearing, and has the advantages of stronger load-bearing capacity, better support for door leaves, longer service life, convenient installation, and smooth rotation; the casement door using the top and bottom axis hinge of the present invention, its door leaf frame is hinged with the rotating shaft installed on the door frame by a shaft sleeve with corner pieces, and the corner pieces cover the corners of the leaf frame body that are fastened to the door leaf frame, and can greatly improve the support and load-bearing capacity of the leaf frame while reinforcing the structural strength of the connection between the shaft sleeve and the door leaf frame.

Description

Technical Field

[0001] The invention belongs to the technical field of doors and windows, and in particular relates to a casement door top and bottom axis hinge and a casement door using the hinge. Background Art

[0002] The existing casement door top and bottom hinges are as follows Figure 1 As shown, it is composed of an upper shaft seat 101, an upper shaft 3, a lower shaft seat 102, a lower shaft 1, a lower shaft seat block 103 and a lower shaft seat mounting plate 104. The upper shaft seat 101 is distributed with first mounting holes 105 and is fastened to the top frame profile of the door leaf frame through the first mounting holes 105. The lower shaft seat 102 is distributed with second mounting holes 106 and is fastened to the bottom frame profile of the door leaf frame through the second mounting holes 106. The lower shaft seat block 103 is provided with a shaft matching hole 106 corresponding to the lower shaft 1. 7. The side of the lower shaft seat block 103 is vertically extended upwards and provided with a fastening installation wall 108, and the fastening installation wall 108 is distributed with a third installation hole 109. The lower shaft seat mounting plate 104 is distributed with fastening screw holes 110 corresponding to the third installation hole 109. The lower shaft seat mounting plate 104 is installed and fixed to the lower end of the door frame profile. The screw passes through the third installation hole 109 of the fastening installation wall 108 of the lower shaft seat block 103 and is connected to the fastening screw hole 110 of the lower shaft seat mounting plate 104 to achieve fixed installation on the door frame profile. The structure of this kind of sky and earth axis hinge is relatively simple. The upper shaft 3 and the lower shaft 1 are respectively installed at the top and bottom of the door leaf frame to realize the hinged installation of the leaf frame. It lacks strong support for the door leaf and has a weak load-bearing capacity. Especially in the case of heavy-duty swing doors, this existing sky and earth axis hinge is prone to damage and has a limited service life, and it is difficult to achieve a satisfactory use effect. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention aims to provide a casement door top and bottom axis hinge and a casement door using the hinge which has a stronger load-bearing capacity, better support for door leaves, longer service life, is easy to install, and rotates smoothly.

[0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] A casement door top and bottom axis hinge comprises a lower rotating shaft, a lower shaft sleeve, an upper rotating shaft and an upper shaft sleeve, wherein the lower rotating shaft is rotatably connected to the lower shaft sleeve, and the upper rotating shaft is rotatably connected to the upper shaft sleeve, the side of the lower rotating shaft is provided with a first fastening piece fastened to the door frame, the side of the lower shaft sleeve is provided with a first corner piece covering and fastened to the corner of the sash frame, the side of the upper rotating shaft is provided with a second fastening piece covering and fastened to the corner of the sash frame, the side of the upper shaft sleeve is provided with a second corner piece covering and fastened to the corner of the sash frame, a plane bearing is sleeved on the lower rotating shaft, the lower shaft sleeve is supported on the plane bearing, and the lower shaft sleeve is rotatably connected to the lower rotating shaft and supported on the plane bearing at the same time, so that the door sash rotates smoothly. During installation and use, the sash frame is designed to include a sash frame main body and a sash frame retaining edge protruding from the sash frame main body, and the door frame is provided with a retaining groove corresponding to the sash frame retaining edge. Notches are provided at the upper and lower corners of the sash frame retaining edge on one side where the sash frame is hinged to the door frame. The first fastening plate is fastened and installed on the lower end side wall of the door opening of the door frame, the lower sleeve is cooperated and installed in the notch at the lower end corner of the sash frame retaining edge and the first corner wrapping plate is correspondingly covered and fastened to the lower end corner of the sash frame main body, the second fastening plate is fastened and installed on the top groove bottom wall of the retaining groove, the upper sleeve is cooperated and installed in the notch at the upper end corner of the sash frame retaining edge and the second corner wrapping plate is correspondingly covered and fastened to the upper end corner of the sash frame main body. The door frame is hinged to the rotating shaft installed on the door frame through a sleeve with an angle piece, and the angle piece covers the corners of the door frame body that is fastened to the door frame. While strengthening the structural strength of the connection between the sleeve and the door frame, it can greatly enhance the support and load-bearing capacity of the door frame. It has stronger load-bearing capacity, better support for the door leaf, longer service life and is easy to install.

[0006] As a preferred solution, the lower rotating shaft is fixedly arranged on the lower rotating shaft seat, the first fastening plate is extended and arranged on the lower rotating shaft seat corresponding to the frame wall of the door frame, and the first fastening plate is provided with fastening holes; the lower shaft sleeve has a lower shaft hole which is rotatably connected to the lower rotating shaft, the first corner piece is an L-shaped corner piece and fastening holes are distributed on the L-shaped corner piece.

[0007] As a preferred solution, the plane bearing includes a lower bearing ring piece, an upper bearing ring piece and an intermediate ball component. The intermediate ball component is composed of a ball ring seat and balls. The balls are distributed and installed on the ball ring seat and protrude toward the upper and lower ends of the ball ring seat respectively. The lower bearing ring piece is supported on the lower rotating shaft seat and is provided with an annular rolling groove corresponding to the balls of the intermediate ball component. The lower sleeve is supported on the upper bearing ring piece and the upper bearing ring piece is provided with an annular rolling groove corresponding to the balls of the intermediate ball component.

[0008] As an improved solution, the side of the lower rotating shaft seat provided with the first fastening plate has a first plane wall protruding upward, and the side of the lower shaft sleeve provided with the first corner piece has a second plane wall.

[0009] As an improved solution, a blocking cover covering the fastening hole is buckled on the first fastening plate.

[0010] As a preferred solution, the upper rotating shaft is fixedly arranged on the upper rotating shaft seat, the second fastening plate is extended and arranged on the upper rotating shaft seat corresponding to the frame wall of the door frame, and the second fastening plate is provided with fastening holes; the upper shaft sleeve has an upper shaft hole which is rotatably connected to the upper rotating shaft, the second corner piece is an L-shaped corner piece and fastening holes are distributed on the L-shaped corner piece.

[0011] As a preferred solution, a gasket is sleeved on the upper rotating shaft between the upper rotating shaft seat and the upper shaft sleeve.

[0012] As an improved solution, the second fastening plate buckle is equipped with a blocking cover covering the fastening hole.

[0013] The present invention has the following beneficial effects:

[0014] The top and bottom axis hinge of the casement door of the present invention has the advantages of stronger load-bearing capacity, better support for the door leaf, longer service life, easy installation and smooth rotation; the casement door using the top and bottom axis hinge of the present invention, its door leaf frame is hinged with a rotating shaft installed on the door frame through a sleeve with an angle piece, and the angle piece covers the corners of the leaf frame body that is fastened to the door leaf frame, which can greatly improve the support and load-bearing capacity of the leaf frame while reinforcing the strength of the connection structure between the sleeve and the door leaf frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the structural diagram of the existing casement door top and bottom axis hinge;

[0016] Figure 2 It is a structural diagram of the lower rotating shaft and the lower shaft sleeve of the upper and lower shaft hinge of the casement door of the present invention;

[0017] Figure 3 It is a structural diagram of the upper rotating shaft and the upper shaft sleeve of the floor-to-ceiling hinge of the casement door of the present invention;

[0018] Figure 4 This is a structural diagram of a casement door using the casement door top and bottom axis hinge of the present invention;

[0019] Figure 5 This is a structural diagram of a casement door using the casement door top and bottom axis hinge of the present invention;

[0020] Figure 6 for Figure 4 Decomposition structure diagram;

[0021] Figure 7 for Figure 4 Decomposition structure diagram of .

[0022] In the figure: 1, lower shaft; 2, lower sleeve; 3, upper shaft; 4, upper sleeve; 5, first fastening plate; 6, first corner plate; 7, second fastening plate; 8, second corner plate; 9, plane bearing; 10, lower shaft seat; 11, lower shaft hole; 12, first plane wall; 13, second plane wall; 14, cover; 15, upper shaft seat; 16, upper shaft hole; 17, gasket; 18, door frame; 19, sash frame; 20, sash frame body; 21, sash frame retaining edge; 22, retaining groove; 23, notch; 24, lower side wall of door opening ; 25. Bottom wall of top groove; 26. Lower bearing ring piece; 27. Upper bearing ring piece; 28. Intermediate ball piece; 29. ​​Ball ring seat; 30. Ball; 31. Annular rolling groove; 32. Air-avoiding groove; 33. Sealing plug; 101. Upper shaft seat piece; 102. Lower shaft seat piece; 103. Lower shaft seat block; 104. Lower shaft seat mounting plate; 105. First mounting hole; 106. Second mounting hole; 107. Shaft matching hole; 108. Fastening mounting wall; 109. Third mounting hole; 110. Fastening screw hole. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments, so as to facilitate a clearer understanding of the technical ideas claimed for protection of the present invention.

[0024] like Figure 2 , Figure 3 The top and bottom axis hinge of the casement door of the present invention shown in the figure comprises a lower rotating shaft 1, a lower shaft sleeve 2, an upper rotating shaft 3 and an upper shaft sleeve 4. The lower rotating shaft 1 is rotatably connected to the lower shaft sleeve 2. The side of the lower rotating shaft 1 is provided with a first fastening plate 5 fastened to the door frame 18. Specifically, the lower rotating shaft 1 is fixedly set on the lower rotating shaft seat 10. The first fastening plate 5 is extended and set on the lower rotating shaft seat 10 corresponding to the frame wall of the door frame 18. Fastening holes are distributed on the first fastening plate 5; the side of the lower shaft sleeve 2 is provided with a first corner piece 6 that covers and fastens to the corner of the sash frame. The lower shaft sleeve 2 has a lower shaft hole 11 that is rotatably connected to the lower rotating shaft 1. The first corner piece 6 is an L-shaped corner piece and fastening holes are distributed on the L-shaped corner piece; a plane bearing 9 is mounted on the lower rotating shaft 1, and the lower shaft sleeve 2 is supported on the plane bearing 9. The lower shaft sleeve 2 is rotatably connected to the lower rotating shaft 1 and supported on the plane bearing 9 at the same time, so that the door sash rotates smoothly.

[0025] The plane bearing 9 specifically includes a lower bearing ring piece 26, an upper bearing ring piece 27 and an intermediate ball piece 28. The intermediate ball piece 28 is composed of a ball ring seat 29 and balls 30. The balls 30 are distributed and installed on the ball ring seat 29 and protrude toward the upper and lower ends of the ball ring seat 29 respectively. The lower bearing ring piece 26 is supported on the lower rotating shaft seat 10 and is provided with an annular rolling groove 31 corresponding to the balls 30 of the intermediate ball piece 28. The lower sleeve 2 is supported on the upper bearing ring piece 27 and the upper bearing ring piece 27 is provided with an annular rolling groove 31 corresponding to the balls 30 of the intermediate ball piece 28. The lower sleeve 2 rotates around the lower rotating shaft 1 through the rotation of the plane bearing 9, and rotates smoothly. In addition, the lower shaft seat 10 is provided with a first plane wall 12 protruding upward on one side of the first fastening plate 5, and the lower shaft sleeve 2 is provided with a second plane wall 13 on one side of the first corner plate 6. When the lower shaft sleeve 2 rotates, the second plane wall 13 and the first plane wall 12 can cooperate to restrict the rotation range of the lower shaft sleeve 2 to prevent the door leaf from rotating too much. The first fastening plate 5 can also be buckled with a cover 14 covering the fastening hole on it, so as to avoid the exposure of the screws after fastening and installation to affect the overall sense and aesthetics, and can also play a role in rust prevention for the screws. The corner part of the first corner plate 6 can also be provided with a space-avoiding groove 32 that avoids the corners of the sash frame; the top opening of the lower shaft hole 11 can also be plugged with a sealing plug 33 to prevent dust and water infiltration.

[0026] The upper rotating shaft 3 is rotatably connected to the upper shaft sleeve 4, and the side of the upper rotating shaft 3 is provided with a second fastening plate 7 fastened to the door frame 18. Specifically, the upper rotating shaft 3 is fixedly set on the upper rotating shaft seat 15, and the second fastening plate 7 is extended and set on the upper rotating shaft seat 15 corresponding to the frame wall of the door frame 18. The second fastening plate 7 is distributed with fastening holes, and the second fastening plate 7 can also be fastened with a blocking cover 14 covering the fastening holes thereon. This can avoid the exposure of the screws after fastening and installation to affect the overall sense and beauty, and can also provide anti-corrosion protection for the screws; the side of the upper shaft sleeve 4 is provided with a second corner piece 8 that covers and fastens to the corner of the sash frame, and the upper shaft sleeve 4 has an upper shaft hole 16 rotatably connected to the upper rotating shaft 3. The second corner piece 8 is an L-shaped corner piece and fastening holes are distributed on the L-shaped corner piece. A gasket 17 may be further mounted between the upper shaft seat 15 and the upper sleeve 4 on the upper shaft 3 to improve the smoothness of the upper sleeve 4 when rotating on the upper shaft 3. A clearance groove 32 may be further arranged at the corner of the second corner piece 8 to avoid the corner of the fan frame; and a sealing rubber plug 33 may be further installed at the lower end of the upper shaft hole 16 to prevent dust and water from penetrating.

[0027] When installing and using, Figure 4-7The casement door shown in the figure adopts the casement door top and bottom axis hinge of the present invention, comprises a door frame 18 and a sash frame 19, the sash frame 19 comprises a sash frame main body 20 and a sash frame retaining edge 21 protruding from the sash frame main body 20, the door frame 18 is provided with a retaining groove 22 corresponding to the sash frame retaining edge 21, and the upper and lower end corners of the sash frame retaining edge 21 on one side of the sash frame 19 hinged to the door frame 18 are provided with notches 23, the first fastening piece 5 of the top and bottom axis hinge of the present invention is fastened and installed on the lower end side wall 24 of the door opening of the door frame 18, the lower shaft sleeve 2 is cooperated and installed in the notch 23 of the lower end corner of the sash frame retaining edge 21 and the first corner piece 6 is correspondingly covered and fastened to the lower end corner of the sash frame main body 20, the second fastening piece 7 is fastened and installed on the top groove bottom wall 25 of the retaining groove 22, the upper shaft sleeve 4 is cooperated and installed in the notch 23 of the upper end corner of the sash frame retaining edge 21 and the second corner piece 8 is correspondingly covered and fastened to the upper end corner of the sash frame main body 20. The top and bottom axis hinges of the casement door of the present invention have the advantages of stronger load-bearing capacity, better support for the door leaf, longer service life, easy installation and smooth rotation; the casement door using the top and bottom axis hinges of the present invention, its sash frame 19 is hinged with the rotating shaft installed on the door frame 18 through a sleeve with an angle piece, and the angle piece covers the corners of the sash frame main body 20 fastened to the sash frame 19, which can greatly enhance the support and load-bearing capacity of the sash frame 19 while reinforcing the structural strength of the connection between the sleeve and the sash frame 19.

[0028] For those skilled in the art, various other corresponding changes and modifications can be made according to the technical solutions and concepts described above, and all of these changes and modifications should fall within the protection scope of the claims of the present invention.

Claims

1. A casement door top and bottom axis hinge, comprising a lower rotating shaft, a lower shaft sleeve, an upper rotating shaft and an upper shaft sleeve, wherein the lower rotating shaft is rotatably connected to the lower shaft sleeve, and the upper rotating shaft is rotatably connected to the upper shaft sleeve, characterized in that: The side portion of the lower rotating shaft is provided with a first fastening piece that is fastened to the door frame, the side portion of the lower shaft sleeve is provided with a first corner piece that covers and fastens the corner of the sash frame, the side portion of the upper rotating shaft is provided with a second fastening piece that is fastened to the door frame, the side portion of the upper shaft sleeve is provided with a second corner piece that covers and fastens the corner of the sash frame, the lower rotating shaft is sleeved with a plane bearing, and the lower shaft sleeve is supported on the plane bearing; the lower rotating shaft is fixedly arranged on the lower rotating shaft seat, the first fastening piece is extended to the lower rotating shaft seat corresponding to the frame wall of the door frame, and the first fastening piece is provided with fastening holes; the lower shaft sleeve has a lower shaft hole that is rotatably connected to the lower rotating shaft, the first corner piece is an L-shaped corner piece and fastening holes are distributed on the L-shaped corner piece, the lower rotating shaft seat is provided with a side having a first plane wall protruding upward on the side of the first fastening piece, and the lower shaft sleeve is provided with a side having a second plane wall on the side of the first corner piece.

2. The casement door top and bottom axis hinge according to claim 1, characterized in that: The plane bearing includes a lower bearing ring piece, an upper bearing ring piece and an intermediate ball piece. The intermediate ball piece is composed of a ball ring seat and balls. The balls are distributed and installed on the ball ring seat and protrude toward the upper and lower ends of the ball ring seat respectively. The lower bearing ring piece is supported on the lower rotating shaft seat and is provided with an annular rolling groove corresponding to the balls of the intermediate ball piece. The lower sleeve is supported on the upper bearing ring piece and the upper bearing ring piece is provided with an annular rolling groove corresponding to the balls of the intermediate ball piece.

3. The casement door top and bottom axis hinge according to claim 1, characterized in that: A blocking cover for covering the fastening hole is buckled on the first fastening sheet.

4. The casement door top and bottom axis hinge according to claim 1, characterized in that: The upper rotating shaft is fixedly arranged on the upper rotating shaft seat, the second fastening plate is extended and arranged on the upper rotating shaft seat corresponding to the frame wall of the door frame, and the second fastening plate is provided with fastening holes; the upper shaft sleeve has an upper shaft hole which is rotatably connected with the upper rotating shaft, the second corner piece is an L-shaped corner piece and fastening holes are distributed on the L-shaped corner piece.

5. The casement door top and bottom axis hinge according to claim 4, characterized in that: A washer is sleeved on the upper rotating shaft and located between the upper rotating shaft seat and the upper shaft sleeve.

6. The casement door top and bottom axis hinge according to claim 4, characterized in that: The second fastening plate buckle is provided with a blocking cover covering the fastening hole.

7. A swing door, comprising a door frame and a leaf frame, characterized in that: It also includes the top and bottom axis hinge described in any one of claims 1 to 6, the sash frame includes a sash frame main body and a sash frame retaining edge protruding from the sash frame main body, the door frame is provided with a retaining groove corresponding to the sash frame retaining edge, and the upper and lower corners of the sash frame retaining edge on the side where the sash frame is hinged to the door frame are provided with notches, the first fastening piece is fastened and installed on the lower end side wall of the door opening of the door frame, the lower sleeve is cooperated and installed in the notch at the lower end corner of the sash frame retaining edge and the first corner piece is correspondingly covered and fastened to the lower end corner of the sash frame main body, the second fastening piece is fastened and installed on the top groove bottom wall of the retaining groove, the upper sleeve is cooperated and installed in the notch at the upper end corner of the sash frame retaining edge and the second corner piece is correspondingly covered and fastened to the upper end corner of the sash frame main body.

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