Novel door bottom sealing strip

Abstract

The utility model discloses a novel door bottom sealing strip which comprises a support body and an inclined face structure, the support body is installed at the bottom of a door body, the inclined face structure is installed on a door frame, the support body comprises a pulley touch rod movable groove and a sealing rubber strip movable groove, and a movable assembly is installed in the pulley touch rod movable groove. A plurality of movable rods and springs are connected between the movable assembly and the rubber strip support, a connecting block and a pulley are arranged at the end, close to an opening of the pulley touch rod movable groove, of the movable assembly, and a pulley limiting groove is formed in the end, close to the opening, of the pulley touch rod movable groove. On the basis that the bottom of the door body is sealed, the door bottom sealing strip can be applied to various door body structures such as a single side hung door, a side hung door, a rotating door, a side sliding door and a sliding door, and the application range of the door bottom sealing strip is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of doors, in particular to a novel door bottom sealing strip. Background Art

[0002] Doors are the boundary between the outdoors and the indoors. To ensure that the doors can be opened and closed easily, gaps at the bottom of the doors are inevitable. These gaps also become channels for outdoor air (hot air in midsummer, cold wind in winter), dust, noise, and stray light to enter the room. Especially for houses near the road, if the bottom of the door is not sealed tightly, it will seriously affect the indoor living environment.

[0003] The patent application with patent number 202121065164.4 discloses a door bottom sealing noise reduction structure. On the basis of having the door bottom sealing effect, it achieves the effect of door bottom sealing noise reduction, and has the characteristics of simple structure, reasonable design, reduced use of metal materials, cost savings and reliable performance.

[0004] However, this door bottom sealing noise reduction structure can only be installed on swing doors, and the contact rod can only face the side where the hinge is located, which has great limitations on the scope of use. Utility Model Content

[0005] In order to solve the above problems in the prior art, the utility model provides a novel door bottom sealing strip.

[0006] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:

[0007] A novel door bottom sealing strip, which is used in combination with a door frame and a door body, and comprises a bracket body and an inclined surface structure, wherein the bracket body is mounted on the bottom of the door body, and the inclined surface structure is mounted on the door frame;

[0008] The bracket body comprises a pulley bumper rod movable groove and a sealing strip movable groove with a one-way opening, a movable component can be slidably installed inside the pulley bumper rod movable groove, a strip bracket can be slidably installed inside the sealing strip movable groove, a sealing strip is arranged in the strip bracket, and a plurality of movable rods and a plurality of springs are connected between the movable component and the strip bracket;

[0009] The movable component is provided with a connecting block and a pulley at one end close to the opening of the pulley contact rod movable groove. The pulley is rotatably mounted on one side of the connecting block. The pulley extends out from the pulley contact rod movable groove. A pulley limiting groove is provided at one end of the pulley contact rod movable groove close to the opening. The pulley can be slidably connected in the pulley contact rod movable groove through the pulley limiting groove.

[0010] Furthermore, the movable component also includes a movable part, a supporting part and a fixed block, the movable part and the supporting part are both installed in the movable groove of the pulley contact rod and are respectively close to the two end parts of the movable groove of the pulley contact rod, the fixed block is fixedly installed in the movable groove of the pulley contact rod at the end away from the pulley; the connecting block is fixedly connected to the end of the movable part close to the pulley.

[0011] Furthermore, a first connecting member and a second connecting member are respectively provided at two ends of the movable groove of the sealing strip close to the strip bracket, and the movable member and the supporting member are movably connected to the first connecting member and the second connecting member through a first movable rod and a second movable rod respectively, and one end of the first movable rod and the second movable rod close to the strip bracket are respectively connected to one end of a first spring and one end of a second spring, the other end of the first spring and the other end of the second spring are respectively connected to the movable member and the supporting member, and a third spring is also connected between the supporting member and the second connecting member.

[0012] Furthermore, a rubber strip slot is provided at the bottom of the rubber strip bracket, and a sealing rubber strip is provided on the rubber strip slot.

[0013] Furthermore, the inclined structure includes a connecting base plate and two inclined plates, a threaded hole is provided in the middle of the connecting base plate, the two inclined plates are inclined toward the middle of the connecting base plate, and are respectively fixed on both sides of the connecting base plate; the threaded hole is used in conjunction with screws to fasten the connecting structure between the connecting base plate and the door frame.

[0014] The beneficial effects of a novel door bottom sealing strip of the utility model are as follows:

[0015] 1. The utility model installs the bracket body at the bottom of the door body and cooperates with the inclined structure installed on the door frame, so that the movable component in the bracket body can move in the movable groove of the pulley contact rod by utilizing the cooperation of the connecting block, the pulley and the pulley limiting groove, and synchronously drives the strip bracket to move through multiple movable rods and springs to drive the sealing strip to move downward to the bottom of the door body to complete the sealing. The structure can be used in various door body structures such as single-leaf casement doors, double-leaf casement doors, revolving doors, side-sliding doors and sliding doors, thereby increasing the scope of application of the door bottom sealing strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a diagram showing the use status of a new door bottom sealing strip of the utility model;

[0017] Figure 2 This is a structural schematic diagram of a bracket main body in a new door bottom sealing strip of the utility model;

[0018] Figure 3The utility model is a cross-sectional view of a bracket body in a novel door bottom sealing strip.

[0019] Among them, 1. bracket body; 11. pulley contact rod movable groove; 111. movable assembly; 1111. pulley; 1112. connecting block; 1113. movable part; 1114. supporting part; 1115. fixed block; 112. pulley limiting groove; 12. sealing rubber strip movable groove; 121. rubber strip bracket; 1211. rubber strip slot; 1212. sealing rubber strip; 122. first connecting part; 123. second connecting part; 124. first movable rod; 125. second movable rod; 126. first spring; 127. second spring; 128. third spring; 2. inclined surface structure; 21. connecting bottom plate; 211. threaded hole; 212. screw; 22. inclined plate. DETAILED DESCRIPTION

[0020] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0021] Example 1

[0022] like Figure 1-2 As shown, a new door bottom sealing strip is used in combination with a door frame and a door body. The new door bottom sealing strip includes a bracket body 1 and an inclined surface structure 2. The bracket body 1 is installed at the bottom of the door body, and the inclined surface structure 2 is installed on the door frame.

[0023] The bracket body 1 comprises a pulley contact rod movable groove 11 and a sealing strip movable groove 12 with one-way openings, a movable component 111 is slidably installed inside the pulley contact rod movable groove 11, a strip bracket 121 is slidably installed inside the sealing strip movable groove 12, a sealing strip 1212 is provided in the strip bracket 121, and a plurality of movable rods and a plurality of springs are connected between the movable component 111 and the strip bracket 121;

[0024] A connecting block 1112 and a pulley 1111 are provided at one end of the movable component 111 close to the opening of the pulley contact rod movable groove 11. The pulley 1111 is rotatably installed on one side of the connecting block 1112. The pulley 1111 extends out from the pulley contact rod movable groove 11. A pulley limiting groove 112 is provided at one end of the pulley contact rod movable groove 11 close to the opening. The pulley 1111 can be slidably connected in the pulley contact rod movable groove 11 through the pulley limiting groove 112.

[0025] In this embodiment, the movable component 111 also includes a movable part 1113, a support part 1114 and a fixed block 1115. The movable part 1113 and the support part 1114 are both installed in the pulley contact rod movable groove 11 and are respectively close to the two end parts of the pulley contact rod movable groove 11. The fixed block 1115 is fixedly installed in the pulley contact rod movable groove 11 at the end away from the pulley 1111; the connecting block 1112 is fixedly connected to the end of the movable part 1113 close to the pulley 1111.

[0026] In this embodiment, the first connecting member 122 and the second connecting member 123 are respectively provided at the two ends of the sealing strip movable groove 12 close to the strip bracket 121, and the movable member 1113 and the supporting member 1114 are respectively movably connected to the first connecting member 122 and the second connecting member 123 through the first movable rod 124 and the second movable rod 125, and one end of the first movable rod 124 and the second movable rod 125 close to the strip bracket 121 are respectively connected to one end of the first spring 126 and one end of the second spring 127, and the other end of the first spring 126 and the other end of the second spring 127 are respectively connected to the movable member 1113 and the supporting member 1114, and a third spring 128 is also connected between the supporting member 1114 and the second connecting member 123.

[0027] In this embodiment, a rubber strip holder 121 is further provided with a rubber strip slot 1211 at the bottom thereof, and a sealing rubber strip 1212 is provided on the rubber strip slot 1211 .

[0028] In this embodiment, the inclined structure 2 includes a connecting base plate 21 and two inclined plates 22. A threaded hole 211 is provided in the middle of the connecting base plate 21. The two inclined plates 22 are inclined toward the middle of the connecting base plate 21 and are respectively fixed on both sides of the connecting base plate 21; the threaded hole 211 is used in conjunction with the screws 212 to fasten the connecting structure between the connecting base plate 21 and the door frame.

[0029] When in use, first screw the inclined surface structure 2 into the door frame through the threaded hole 211 and the screw 212, and then install the bracket body 1 at the position corresponding to the inclined surface structure 2 at the bottom of the door body, so that the protruding end of the pulley 1111 can abut against the inclined plate 22 in the inclined surface structure 2 when the door is closed, and the pulley 1111 abuts against the two inclined plates 22 when the door closing action is completed; when closing the door, the pulley 1111 approaches the inclined plate 22 in the inclined surface structure 2 and rubs against the surface of the inclined plate 22, so that the pulley 1111 rotates into the pulley contact rod movable groove 11, thereby driving the connecting block 1112 to move synchronously, and the connecting block 1112 is fixedly connected to the movable part 1113, and then the movement of the connecting block 1112 synchronously drives the movable part 1113 to move into the pulley contact rod movable groove 11, the first movable rod 124 is connected to the rubber strip bracket 121, and the second The movable rod 125 is connected to the fixed block 1115, and the rubber strip bracket 121 is limited to move with the movable part 1113 through the first movable rod 124, so that the rubber strip bracket 121 is offset downward, and the first spring 126 is long, and driven by the rubber strip bracket 121 itself, the second spring 127 and the third spring 128 are driven to stretch and deform, so that the sealing strip 1212 is in contact with the ground, thereby completing the door bottom sealing effect; when the door is opened, it spontaneously returns to the initial position under the natural reset of the first spring 126, the second spring 127 and the third spring 128, and spontaneously makes the first movable rod 124 in contact with the movable part 1113, and the second movable rod 125 in contact with the supporting member 1114, thereby lifting the rubber strip bracket 121, so that the sealing strip 1212 in the rubber strip slot 1211 at the bottom of the rubber strip bracket 121 is separated from the ground, so as to facilitate door opening.

[0030] The beneficial effects of a novel door bottom sealing strip of the utility model are as follows:

[0031] The utility model installs the bracket body at the bottom of the door body and cooperates with the inclined structure installed on the door frame, so that the movable component in the bracket body can move in the movable groove of the pulley contact rod by utilizing the cooperation of the connecting block, the pulley and the pulley limiting groove, and synchronously drives the strip bracket to move through multiple movable rods and springs to drive the sealing strip to move downward to the bottom of the door body to complete the sealing. The structure can be used in various door body structures such as single-leaf casement doors, double-leaf casement doors, revolving doors, side-sliding doors and sliding doors, thereby increasing the application range of the door bottom sealing strip.

[0032] The utility model and its implementation methods are described above. This description is not restrictive. What is shown in the accompanying drawings is only one of the implementation methods of the utility model. The actual content is not limited to this. In short, if ordinary technicians in this field are inspired by it, without departing from the inventive purpose of the utility model, they can creatively design structural methods and embodiments similar to the technical scheme, which should all fall within the protection scope of the utility model.

Claims

1. A new door bottom sealing strip, characterized by: The novel door bottom sealing strip is used in combination with a door frame and a door body, and comprises a bracket body (1) and an inclined surface structure (2), wherein the bracket body (1) is installed at the bottom of the door body, and the inclined surface structure (2) is installed on the door frame; The support body (1) comprises a pulley contact rod movable groove (11) and a sealing strip movable groove (12) with a one-way opening, a movable component (111) is slidably installed inside the pulley contact rod movable groove (11), a strip support (121) is slidably installed inside the sealing strip movable groove (12), a sealing strip (1212) is provided in the strip support (121), and a plurality of movable rods and a plurality of springs are connected between the movable component (111) and the strip support (121); The movable component (111) is provided with a connecting block (1112) and a pulley (1111) at one end close to the opening of the pulley contact rod movable groove (11); the pulley (1111) is rotatably mounted on one side of the connecting block (1112); the pulley (1111) extends out of the pulley contact rod movable groove (11); a pulley limiting groove (112) is provided at one end close to the opening of the pulley contact rod movable groove (11); the pulley (1111) is slidably connected to the pulley contact rod movable groove (11) through the pulley limiting groove (112).

2. A novel door bottom sealing strip according to claim 1, characterized in that: The movable assembly (111) further comprises a movable part (1113), a supporting part (1114) and a fixed block (1115); the movable part (1113) and the supporting part (1114) are both installed in the pulley contact rod movable groove (11) and are respectively close to the two ends of the pulley contact rod movable groove (11); the fixed block (1115) is fixedly installed in the pulley contact rod movable groove (11) at the end away from the pulley (1111); and the connecting block (1112) is fixedly connected to the end of the movable part (1113) close to the pulley (1111).

3. A novel door bottom sealing strip according to claim 2, characterized in that: A first connecting member (122) and a second connecting member (123) are respectively provided at two ends of the sealing strip movable groove (12) close to the strip support (121); the movable member (1113) and the support member (1114) are respectively movably connected to the first connecting member (122) and the second connecting member (123) through a first movable rod (124) and a second movable rod (125); one end of the first movable rod (124) and the second movable rod (125) close to the strip support (121) are respectively connected to one end of a first spring (126) and one end of a second spring (127); the other end of the first spring (126) and the other end of the second spring (127) are respectively connected to the movable member (1113) and the support member (1114); and a third spring (128) is also connected between the support member (1114) and the second connecting member (123).

4. A novel door bottom sealing strip according to claim 3, characterized in that: The bottom of the rubber strip bracket (121) is also provided with a rubber strip slot (1211), and a sealing rubber strip (1212) is provided on the rubber strip slot (1211).

5. The novel door bottom sealing strip according to claim 1 is characterized in that: The inclined surface structure (2) comprises a connecting base plate (21) and two inclined plates (22); a threaded hole (211) is provided in the middle of the connecting base plate (21); the two inclined plates (22) are inclined toward the middle of the connecting base plate (21) and are respectively fixedly mounted on both sides of the connecting base plate (21); the threaded hole (211) is used in conjunction with the screws (212) to fasten the connecting structure between the connecting base plate (21) and the door frame.

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