Multi-stage sealing wooden door
By using sealed airbags and airbox systems in the wooden doors to fill the gaps, and using adjustment rings and support wheels to assist hinge support, the problems of poor sealing and hinge loss in the wooden door are solved, achieving better sealing effect and extended hinge life.
Patent Information
- Application Number
- CN202420886203.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing wooden doors often leave gaps when installed, resulting in poor sealing effect and long-term loading will aggravate the loss of hinges and reduce their service life.
A multi-stage sealed wooden door is designed, using sealed airbags and airbox systems to expand and fill gaps when the wooden door is closed, and assist hinge support through adjustment rings and support wheels to reduce the load on the hinge.
The all-round seal between the wooden door and the frame is achieved, the sealing effect is improved, and the service life of the hinge is extended by reducing the hinge load.
Smart Images

Figure CN222207710U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wooden doors, in particular to a multi-stage sealed wooden door. Background Art
[0002] Wooden doors usually include doors made of sawn timber from logs, and doors made of plywood. Depending on the structure, wooden doors can be divided into solid wood mortise and tenon doors, solid wood composite doors and plywood molded hollow doors. Solid wood mortise and tenon doors are made of solid wood through mortise and tenon processing, solid wood composite doors are made of a composite of wood and plywood, and the surface is usually affixed with wood veneer or other covering materials, and plywood molded hollow doors are hollow doors with plywood or wood as the frame, and the surface layer is artificial board or PVC board, which are pressed, glued or molded.
[0003] In order to facilitate installation, a gap is usually left between the existing wooden door and the frame. In order to improve the sealing, a rubber strip is usually set to fill the gap. However, this method often causes the rubber strip to fall off and misalign during use, resulting in poor sealing effect. In addition, the wooden door is only supported by the hinge when in use. Long-term load will aggravate the wear of the hinge and thus reduce the service life of the hinge. For this reason, we propose a wooden door with multi-stage sealing. Utility Model Content
[0004] The utility model aims to provide a multi-stage sealed wooden door to solve the problem proposed in the above background technology that a gap is usually left between the existing wooden door and the frame for the convenience of installation, and a rubber strip is usually set at the gap to fill it in order to improve the sealing performance. However, this method often causes the rubber strip to fall off and be misplaced during use, resulting in poor sealing effect, and the wooden door is only supported by hinges during use, and long-term load will aggravate the wear of the hinges, thereby reducing the service life of the hinges.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage sealed wooden door, comprising a wooden door body, the outer side wall of the wooden door body is sleeved with a door frame and the door frame is rotatably connected to the wooden door body through hinges, a connecting groove is opened in the middle of the four sides of the outer side wall of the wooden door body, the inner cavity of the connecting groove is provided with a hollow annular tube, the outer side wall of the hollow annular tube is inserted with a connecting tube and the connecting tubes are evenly distributed, and the ends of multiple connecting tubes are connected with sealed air bags, the outer side wall of the sealed air bag extends to the outside of the connecting groove and contacts with the inner side wall of the door frame, a placement cavity is opened on the rear side of the inner middle of the wooden door body, an air box is fixedly connected to the middle of the inner cavity rear side wall of the placement cavity, the air box is connected to the hollow annular tube through an air pipe, the upper and lower sides of the inner cavity wall of the air box are slidably connected with pistons, and the top of the upper piston and the bottom of the lower piston are fixedly connected with traction rods.
[0006] As a further description of the above technical solution:
[0007] A slot is provided in the middle of the top and bottom of the wooden door body and on the rear side of the connecting slot, the end of the traction rod extends to the inner cavity of the slot and is fixedly connected with an extrusion block, and the outer wall of the extrusion block is slidably connected to the inner cavity wall of the slot, the end of the extrusion block extends to the outside of the slot, the outer wall of the traction rod is sleeved with a return spring, the bottom end of the upper return spring and the top end of the lower return spring are respectively fixedly connected to the inner cavity bottom of the upper slot and the inner cavity top of the lower slot, and the ends of the upper and lower return springs are respectively fixedly connected to the bottom of the upper extrusion block and the top of the lower extrusion block.
[0008] As a further description of the above technical solution:
[0009] The top of the extrusion block on the upper side and the bottom of the extrusion block on the lower side are rotatably connected with rollers through pin shafts, and the rollers are rollingly connected with the door frame.
[0010] As a further description of the above technical solution:
[0011] A placement groove is provided at the front side of the middle of the bottom of the door frame.
[0012] As a further description of the above technical solution:
[0013] A stud is fixedly connected to the front side of the middle of the bottom of the wooden door body, the bottom end of the stud extends to the inner cavity of the placement groove and is screwed with an adjustment ring, the outer wall of the stud is sleeved with a sleeve and the top of the sleeve is in contact with the bottom of the adjustment ring, and support wheels are provided on the left and right sides of the bottom of the sleeve.
[0014] As a further description of the above technical solution:
[0015] A square groove is opened in the middle of the bottom of the stud, and the inner cavity wall of the square groove is slidably connected to a limiting rod. The end of the limiting rod extends to the outside of the square groove and is fixedly connected to the inner cavity bottom of the sleeve.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. For the multi-stage sealed wooden door, when the wooden door body is closed, the wooden door body drives the extrusion block to contact the door frame, and the extrusion block shrinks into the groove through the extrusion with the door frame, and the extrusion block drives the piston to move through the traction rod, and the two pistons move towards each other, so that the air in the air box is sent into the hollow annular tube through the air pipe, and the hollow annular tube sends the air into the sealing airbag through the connecting pipe to make it expand and extend to the outside of the connecting groove to contact the door frame. When the wooden door body is closed, the gap between the wooden door body and the door frame can be filled in all directions, thereby improving the sealing effect.
[0018] 2. The multi-stage sealed wooden door, by rotating the adjusting ring to the appropriate position, the sleeve limits the position of the sleeve by contacting the adjusting ring, and the sleeve cooperates with the supporting wheel at the bottom to assist in supporting the wooden door body when the wooden door body is opened and closed, and can assist the hinge in supporting the wooden door body, reducing the load on the hinge, thereby increasing the service life of the hinge. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a three-dimensional schematic diagram of the structure of a multi-stage sealed wooden door proposed by the utility model;
[0020] Figure 2 This is a schematic diagram of the main cross-sectional view of the structure of a multi-stage sealed wooden door proposed by the utility model;
[0021] Figure 3 It is a front cross-sectional schematic diagram of a structural air box of a multi-stage sealed wooden door proposed by the utility model;
[0022] Figure 4 A multi-stage sealed wooden door proposed by the utility model Figure 2 The enlarged structural diagram at A in the middle;
[0023] Figure 5 A multi-stage sealed wooden door proposed by the utility model Figure 2 The enlarged structural diagram at B in the middle;
[0024] Figure 6 A multi-stage sealed wooden door proposed by the utility model Figure 2 Enlarged structural diagram at point C in the middle.
[0025] In the figure: 100, wooden door body; 110, door frame; 111, connecting groove; 112, hollow ring tube; 113, connecting tube; 114, sealing airbag; 115, placement chamber; 116, air box; 117, piston; 118, traction rod; 120, notch; 121, extrusion block; 122, return spring; 130, roller; 140, placement groove; 150, stud; 151, adjustment ring; 152, sleeve; 153, support wheel; 160, square groove; 161, limit rod. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] The utility model provides a multi-stage sealed wooden door, which can fill the gap between the wooden door body 100 and the door frame 110 in all directions when the wooden door body 100 is closed, thereby improving the sealing effect, and can assist the hinge to support the wooden door body 100, reduce the load of the hinge, and thus increase the service life of the hinge. Figure 1-6 , including a wooden door body 100;
[0030] Please refer again Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6The outer wall of the wooden door body 100 is sleeved with a door frame 110, and the door frame 110 is rotatably connected to the wooden door body 100 through a hinge. The door frame 110 is used to install the wooden door body 100. A connecting groove 111 is opened in the middle of the four sides of the outer wall of the wooden door body 100. The connecting groove 111 is used to place a sealing airbag 114. The inner cavity of the connecting groove 111 is provided with a hollow annular tube 112. The hollow annular tube 112 is used to install the sealing airbag 114 through a connecting tube 113. The outer wall of the hollow annular tube 112 is plugged with a connecting tube 113 and the connecting tubes 113 are evenly distributed. The connecting tube 113 is used to connect the sealing airbag 114 and the hollow annular tube 112. The ends of multiple connecting tubes 113 are connected with the sealing airbag 114, and the sealing airbag 114 is used to lift the wooden door body. The sealing between 100 and the door frame 110 is ensured, the outer wall of the sealing airbag 114 extends to the outside of the connecting groove 111 and contacts the inner wall of the door frame 110, a placement cavity 115 is opened on the rear side of the middle of the interior of the wooden door body 100, the placement cavity 115 is used to place the air box 116, the middle of the rear wall of the inner cavity of the placement cavity 115 is fixedly connected with the air box 116, the air box 116 is used to cooperate with the piston 117 to evacuate and deliver air, the air box 116 is connected to the hollow annular tube 112 through an air pipe, the piston 117 is slidably connected to the upper and lower sides of the inner cavity wall of the air box 116, the piston 117 is used to cooperate with the traction rod 118 to evacuate and deliver air, the top of the upper piston 117 and the bottom of the lower piston 117 are fixedly connected with the traction rod 118, the traction rod 118 8 is used to drive the piston 117 to move. A notch 120 is opened in the middle of the top and bottom of the wooden door body 100 and on the rear side of the connecting groove 111. The notch 120 is used to limit the extrusion block 121. The end of the traction rod 118 extends to the inner cavity of the notch 120 and is fixedly connected with the extrusion block 121, and the outer wall of the extrusion block 121 is slidably connected with the inner cavity wall of the notch 120. The extrusion block 121 is used to drive the traction rod 118 to move. The end of the extrusion block 121 extends to the outside of the notch 120. The outer wall of the traction rod 118 is sleeved with a return spring 122. The return spring 122 is used to drive the extrusion block 121 to reset. The bottom end of the upper return spring 122 and the top end of the lower return spring 122 are respectively connected to the inner cavity of the upper notch 120. The bottom and the top of the inner cavity of the lower notch 120 are fixedly connected, and the ends of the upper and lower return springs 122 are fixedly connected to the bottom of the upper extrusion block 121 and the top of the lower extrusion block 121 respectively. The top of the upper extrusion block 121 and the bottom of the lower extrusion block 121 are rotatably connected with rollers 130 through pins. The rollers 130 are used to cooperate with the extrusion block 121 to make the extrusion block 121 move more smoothly. The rollers 130 are rollingly connected with the door frame 110. When the wooden door body 100 is closed, the wooden door body 100 drives the extrusion block 121 to contact the door frame 110. Through the extrusion with the door frame 110, the extrusion block 121 shrinks into the notch 120, and the extrusion block 121 drives the piston 117 to move through the traction rod 118.The two pistons 117 move toward each other so that the air in the air box 116 is sent into the hollow annular tube 112 through the air pipe. The hollow annular tube 112 sends the air into the sealed air bag 114 through the connecting tube 113 so that the air bag 114 expands and then extends to the outside of the connecting groove 111 and contacts the door frame 110.
[0031] In summary, when the wooden door body 100 is closed, the gap between the wooden door body 100 and the door frame 110 can be filled in all directions, thereby improving the sealing effect.
[0032] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 5 A placement groove 140 is opened at the front side of the middle of the bottom of the door frame 110, and the placement groove 140 is used to accommodate the support wheel 153. A stud 150 is fixedly connected to the front side of the middle of the bottom of the wooden door body 100. The stud 150 is used to cooperate with the adjusting ring 151 to adjust the support height of the sleeve 152. The bottom end of the stud 150 extends to the inner cavity of the placement groove 140 and is screwed with the adjusting ring 151. The adjusting ring 151 is used to adjust the height of the sleeve 152. The outer wall of the stud 150 is sleeved with the sleeve 152 and the top of the sleeve 152 is in contact with the bottom of the adjusting ring 151. Support wheels 153 are provided on the left and right sides of the bottom of the sleeve 152. The support wheels 153 are used to cooperate with the sleeve 152 To support the wooden door body 100, a square groove 160 is opened in the middle of the bottom of the stud 150, and the square groove 160 is used to install a limiting rod 161. The inner cavity wall of the square groove 160 is slidably connected to the limiting rod 161, and the limiting rod 161 is used to limit the sleeve 152. The end of the limiting rod 161 extends to the outside of the square groove 160 and is fixedly connected to the bottom of the inner cavity of the sleeve 152. By rotating the adjusting ring 151 to a suitable position, the sleeve 152 contacts with the adjusting ring 151 to limit the position of the sleeve 152, and the sleeve 152 cooperates with the supporting wheel 153 at the bottom to provide auxiliary support to the wooden door body 100 when the wooden door body 100 is opened and closed;
[0033] In summary, the auxiliary hinges can support the wooden door body 100, reducing the load on the hinges and thus increasing the service life of the hinges.
[0034] During specific use, a person skilled in the art rotates the adjustment ring 151 to a suitable position, and the sleeve 152 limits the position of the sleeve 152 by contacting the adjustment ring 151. When the wooden door body 100 is opened and closed, the sleeve 152 is driven to move, and the sleeve 152 cooperates with the support wheel 153 at the bottom to provide auxiliary support to the wooden door body 100 when the wooden door body 100 is opened and closed. When the wooden door body 100 is closed, the wooden door body 100 drives the extrusion block 121 to contact the door frame 110 through the extrusion with the door frame 110, so that The extrusion block 121 contracts into the slot 120, and the extrusion block 121 drives the piston 117 to move through the traction rod 118. The two pistons 117 move toward each other, so that the air in the air box 116 is sent into the hollow annular tube 112 through the air pipe. The hollow annular tube 112 sends air into the sealed airbag 114 through the connecting tube 113, so that it expands and extends to the outside of the connecting groove 111 to contact the door frame 110. When opening, the return spring 122 rebounds, so that the piston 117 draws out the air in the sealed airbag 114 and shrinks it into the connecting groove 111.
[0035] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A multi-stage sealed wooden door, characterized in that: The invention comprises a wooden door body (100), the outer wall of the wooden door body (100) is sleeved with a door frame (110), and the door frame (110) is rotatably connected to the wooden door body (100) through hinges, a connecting groove (111) is opened in the middle of four sides of the outer wall of the wooden door body (100), the inner cavity of the connecting groove (111) is provided with a hollow annular tube (112), the outer wall of the hollow annular tube (112) is plugged with a connecting tube (113), and the connecting tubes (113) are evenly distributed, and the ends of the plurality of connecting tubes (113) are connected with a sealing air bag (114), and the sealing air bag (114) ) extends to the outside of the connecting groove (111) and contacts the inner wall of the door frame (110); a placement cavity (115) is opened on the rear side of the middle of the interior of the wooden door body (100); an air box (116) is fixedly connected to the middle of the rear wall of the inner cavity of the placement cavity (115); the air box (116) is connected to the hollow annular tube (112) through an air pipe; a piston (117) is slidably connected to the upper and lower sides of the inner cavity wall of the air box (116); a traction rod (118) is fixedly connected to the top of the upper piston (117) and the bottom of the lower piston (117).
2. A multi-stage sealed wooden door according to claim 1, characterized in that: A notch (120) is provided between the top and bottom of the wooden door body (100) and at the rear side of the connecting groove (111). The end of the traction rod (118) extends to the inner cavity of the notch (120) and is fixedly connected to an extrusion block (121). The outer wall of the extrusion block (121) is slidably connected to the inner cavity wall of the notch (120). The end of the extrusion block (121) extends to the outer side of the notch (120). A return spring (122) is sleeved on the outer wall of the rod (118); the bottom end of the upper return spring (122) and the top end of the lower return spring (122) are respectively fixedly connected to the bottom of the inner cavity of the upper slot (120) and the top of the inner cavity of the lower slot (120); the ends of the upper and lower return springs (122) are respectively fixedly connected to the bottom of the upper extrusion block (121) and the top of the lower extrusion block (121).
3. A multi-stage sealed wooden door according to claim 2, characterized in that: The top of the upper extrusion block (121) and the bottom of the lower extrusion block (121) are rotatably connected to rollers (130) via pins, and the rollers (130) are rollingly connected to the door frame (110).
4. The multi-stage sealed wooden door according to claim 1, characterized in that: A placement groove (140) is provided at the front side of the middle of the bottom of the door frame (110).
5. The multi-stage sealed wooden door according to claim 4, characterized in that: A stud (150) is fixedly connected to the front side of the middle of the bottom of the wooden door body (100), the bottom end of the stud (150) extends to the inner cavity of the placement groove (140) and is screwed with an adjustment ring (151), the outer wall of the stud (150) is sleeved with a sleeve (152) and the top of the sleeve (152) is in contact with the bottom of the adjustment ring (151), and support wheels (153) are provided on the left and right sides of the bottom of the sleeve (152).
6. The multi-stage sealed wooden door according to claim 5, characterized in that: A square groove (160) is provided in the middle of the bottom of the stud (150); the inner wall of the square groove (160) is slidably connected to a limiting rod (161); the end of the limiting rod (161) extends to the outside of the square groove (160) and is fixedly connected to the bottom of the inner cavity of the sleeve (152).
