Sound-proof door locking device

Abstract

The utility model discloses a sound insulation door locking device which comprises a first door plate and a second door plate, two sets of first sliding grooves are formed in one side of the first door plate, through grooves are formed in one ends of two sets of first inserting rods, two sets of second sliding grooves are formed in the inner side of the second door plate, and inserting grooves are formed in one sides of the two sets of second sliding grooves. The inner sides of the two sets of second sliding grooves are both slidably connected with second inserting rods, and the two sets of first inserting rods and the two sets of second inserting rods are both connected through a driving mechanism. The driving mechanism arranged in the first door plate can drive one ends of the two sets of first inserting rods to be inserted into the inner sides of the two sets of inserting grooves; a driving mechanism arranged in the second door plate can drive two groups of second inserting rods to be inserted into the inner sides of two groups of through grooves, so that the two groups of second inserting rods and the two groups of first inserting rods can be inserted and fixed, the locking operation of the soundproof door is completed, and through the arrangement, opening and closing of the soundproof door are facilitated; and meanwhile, the locking effect of the soundproof door is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sound insulation doors, in particular to a sound insulation door locking device. Background Art

[0002] Sound insulation is one of the important methods of noise control. At present, in order to create a low-noise environment in the acoustic laboratory, it is necessary to increase the sound insulation of the laboratory soundproof door as much as possible to make it close to the sound insulation of the laboratory wall. Generally, the walls of high-level acoustic laboratories are mostly double-layer heavy walls with a sound insulation of more than 55dB. Among them, some laboratories have a large area, and the corresponding soundproof doors are also designed to be relatively large, such as 5m long, 5m wide, and 0.3m thick, to meet the sound insulation requirements.

[0003] However, due to the large size and weight of the soundproof door of a large acoustic laboratory, the locking device used for the soundproof door of the acoustic laboratory in the prior art is attached to the inside of the door body and has a complex structure. It is time-consuming and laborious to open or close, inconvenient to use, and has poor practical effect. At the same time, a gap will be left after closing, and the locking effect is low.

[0004] Therefore, a soundproof door locking device is needed to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the above problems, the utility model provides a sound insulation door locking device.

[0006] The utility model provides the following technical solutions: a soundproof door locking device, comprising a first door panel and a second door panel, two groups of first sliding grooves for facilitating the sliding of a first plug-in rod are provided on one side of the first door panel, through grooves are provided at one end of the two groups of the first plug-in rods, two groups of second sliding grooves are provided on the inner side of the second door panel, plug-in grooves matched with the first plug-in rod are provided on one side of the two groups of the second sliding grooves, second plug-in rods matched with the through grooves are slidably connected to the inner sides of the two groups of the second sliding grooves, the corresponding two groups of the first plug-in rods and the corresponding two groups of the second plug-in rods are connected through a driving mechanism, and the driving mechanism is used for the coordinated locking operation of the two groups of the first plug-in rods and the two groups of the second plug-in rods.

[0007] In a further technical solution, the driving mechanism includes a turntable rotatably installed on one side of the first door panel and the second door panel, a first groove is opened on the inner side of the second door panel, and a second groove is opened on one side of the two groups of the second slide grooves, the inner side of the first groove is rotatably connected with a driving gear connected to one end of the turntable, the driving gear is meshed with two groups of first bevel gears, one end of the two groups of the first bevel gears is connected to the second bevel gear running through the inner side of the second groove through a connecting shaft, the two groups of the second bevel gears are meshed with a third bevel gear, one side of the two groups of the third bevel gears is provided with a driving gear, and one side of the two groups of the second plug-in rods is provided with a rack belt respectively meshed with the two groups of the driving gears.

[0008] In a further technical solution, one end of the second plug-in rod and an inner wall of one side of the through slot are both provided with matching slopes.

[0009] In a further technical solution, two groups of interference grooves are provided on one side of the first door panel, and a sealing gasket matched with the two groups of interference grooves is provided on one side of the second door panel.

[0010] In a further technical solution, a handle is installed on one side of the first door panel and the second door panel.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model can conveniently drive one end of two groups of first plug-in rods to be inserted into the inner sides of two groups of plug-in grooves respectively through the driving mechanism arranged inside the first door panel, and can conveniently drive two groups of second plug-in rods to be inserted into the inner sides of two groups of through grooves respectively through the driving mechanism arranged inside the second door panel, so that the two groups of second plug-in rods can be plugged and fixed with the two groups of first plug-in rods. Through the arranged slope, the second plug-in rods can be continuously plugged with the through grooves, and the first door panel and the second door panel can be further tightened, so that the locking effect of the sound insulation door can be effectively improved.

[0013] 2. In the present invention, when the first door panel and the second door panel are tightened, the sealing gasket can be pressed against the abutment groove, thereby improving the sealing effect of the soundproof door, and further improving the locking effect of the soundproof door through the setting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a structural breakdown diagram of the utility model;

[0016] Figure 3 It is a side sectional view of the utility model;

[0017] Figure 4 This is a side sectional bottom view of the utility model;

[0018] Figure 5 for Figure 3 A magnified view of part A in FIG.

[0019] Figure 6 for Figure 4 Enlarged view of part B in .

[0020] In the figure: 1, first door panel, 2, second door panel, 3, first slide groove, 4, second slide groove, 5, first plug rod, 6, through groove, 7, plug groove, 8, second plug rod, 9, first groove, 10, driving gear, 11, turntable, 12, first bevel gear, 13, connecting shaft, 14, second groove, 15, second bevel gear, 16, third bevel gear, 17, driving gear, 18, rack belt, 19, resistance groove, 20, sealing gasket, 21, handle. DETAILED DESCRIPTION

[0021] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0022] Example:

[0023] Reference Figure 1-Figure 6 A soundproof door locking device comprises a first door panel 1 and a second door panel 2, two groups of first sliding grooves 3 for facilitating the sliding of a first plug-in rod 5 are provided on one side of the first door panel 1, through grooves 6 are provided at one end of the two groups of first plug-in rods 5, two groups of second sliding grooves 4 are provided on the inner side of the second door panel 2, plug-in grooves 7 adapted to the first plug-in rod 5 are provided on one side of the two groups of second sliding grooves 4, second plug-in rods 8 adapted to the through grooves 6 are slidably connected to the inner sides of the two groups of second sliding grooves 4, and the corresponding two groups of first plug-in rods 5 and the corresponding two groups of second plug-in rods 8 are connected through a driving mechanism, and the driving mechanism is used for the coordinated locking operation of the two groups of first plug-in rods 5 and the two groups of second plug-in rods 8.

[0024] Specifically, by closing the first door panel 1 and the second door panel 2, the sound insulation operation of the laboratory can be facilitated. By the driving mechanism arranged inside the first door panel 1, one end of the two groups of first plug-in rods 5 can be conveniently driven to be inserted into the inner sides of the two groups of plug-in grooves 7 respectively. By the driving mechanism arranged inside the second door panel 2, the two groups of second plug-in rods 8 can be conveniently driven to be inserted into the inner sides of the two groups of through grooves 6 respectively, so that the two groups of second plug-in rods 5 can be plugged and fixed with the two groups of first plug-in rods 8, and the locking operation of the sound insulation door can be completed. Then, through the above structure, the opening and closing of the sound insulation door is facilitated, and the locking effect of the sound insulation door is greatly improved.

[0025] Wherein, the driving mechanism includes a turntable 11 rotatably mounted on one side of the first door panel 1 and the second door panel 2, a first groove 9 is provided on the inner side of the second door panel 2, a second groove 14 is provided on one side of the two groups of second slide grooves 4, a driving gear 10 connected to one end of the turntable 11 is rotatably connected to the inner side of the first groove 9, the driving gear 10 is meshed with two groups of first bevel gears 12, one end of the two groups of first bevel gears 12 are connected to the second bevel gear 15 running through the inner side of the second groove 14 through a connecting shaft 13, the two groups of second bevel gears 15 are meshed with third bevel gears 16, one side of the two groups of third bevel gears 16 are provided with a driving gear 17, one side of the two groups of second plug-in rods 8 are provided with a rack belt 18 respectively meshed with the two groups of driving gears 17, by rotating the turntable 11, The turntable 11 can drive the driving gear 10 to rotate, the driving gear 10 can drive the two groups of first bevel gears 12 to rotate, the two groups of first bevel gears 12 can drive the two groups of connecting shafts 13 to rotate, the two groups of connecting shafts 13 can drive the two groups of second bevel gears 15 to rotate, the two groups of second bevel gears 15 can drive the two groups of third bevel gears 16 to rotate by meshing with the two groups of third bevel gears 16, the two groups of third bevel gears 16 can drive the two groups of driving gears 17 to rotate, the two groups of driving gears 17 can drive the two groups of second plug-in rods 8 to move upward and downward respectively by meshing with the two groups of rack belts 18, so that the two groups of second plug-in rods 8 can be plugged and fixed with the through grooves 6 at the ends of the two groups of first plug-in rods 5, thereby completing the locking operation of the sound insulation door.

[0026] Among them, one end of the second connecting rod 8 and the inner wall of one side of the through groove 6 are provided with matching slopes. Through the provided slopes, the second connecting rod 8 and the through groove 6 can be continuously plugged in, while the first door panel 1 and the second door panel 2 can be further tightened, thereby effectively improving the locking effect of the soundproof door.

[0027] Among them, two groups of interference grooves 19 are opened on one side of the first door panel 1, and a sealing gasket 20 adapted to the two groups of interference grooves 19 is provided on one side of the second door panel 2. When the first door panel 1 and the second door panel 2 are tightened, the sealing gasket 20 can be pressed against the interference groove 19, thereby improving the sealing effect of the soundproof door, and further improving the locking effect of the soundproof door through the setting.

[0028] A handle 21 is installed on one side of the first door panel 1 and the second door panel 2. The handle 21 can facilitate the opening and closing of the soundproof door.

[0029] Working principle: First, by rotating the turntable 11 on one side of the first door panel 1, the turntable 11 can drive the active gear 10 to rotate, the active gear 10 can drive the two sets of first bevel gears 12 to rotate, the two sets of first bevel gears 12 can drive the two sets of connecting shafts 13 to rotate, the two sets of connecting shafts 13 can drive the two sets of second bevel gears 15 to rotate, the two sets of second bevel gears 15 can drive the two sets of third bevel gears 16 to rotate through the meshing action with the two sets of third bevel gears 16, the two sets of third bevel gears 16 can drive the two sets of driving gears 17 to rotate, the two sets of driving gears 17 can drive the two sets of first plug-in rods through the meshing action with the two sets of rack belts 18. 5 moves to one side and plugs into the two groups of plugging grooves 7 respectively, and then by rotating the turntable 11 on one side of the second door panel 2, the two groups of second plugging rods 8 can be driven to move upward and downward respectively, so that the two groups of second plugging rods 8 can be plugged and fixed with the through grooves 6 at the ends of the two groups of first plugging rods 5. Through the provided slope, the second plugging rods 8 can be continuously plugged into the through grooves 6 while the first door panel 1 and the second door panel 2 can be further tightened. When the first door panel 1 and the second door panel 2 are tightened, the sealing gasket 20 can be pressed against the abutment groove 19, thereby greatly improving the locking effect of the sound insulation door, and then completing the entire operation process.

[0030] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A soundproof door locking device, comprising a first door panel and a second door panel, characterized in that: Two groups of first sliding grooves are provided on one side of the first door panel for facilitating the sliding of the first plug-in rod, and a through groove is provided at one end of the two groups of the first plug-in rods. Two groups of second sliding grooves are provided on the inner side of the second door panel, and a plug-in groove matched with the first plug-in rod is provided on one side of the two groups of the second sliding grooves. The inner sides of the two groups of the second sliding grooves are slidably connected with a second plug-in rod matched with the through groove. The corresponding two groups of the first plug-in rods and the corresponding two groups of the second plug-in rods are connected through a driving mechanism, and the driving mechanism is used for the coordinated locking operation of the two groups of the first plug-in rods and the two groups of the second plug-in rods.

2. A soundproof door locking device according to claim 1, characterized in that: The driving mechanism includes a turntable rotatably mounted on one side of the first door panel and the second door panel, a first groove is provided on the inner side of the second door panel, a second groove is provided on one side of the two groups of the second slide grooves, a driving gear connected to one end of the turntable is rotatably connected to the inner side of the first groove, the driving gear is meshed with two groups of first bevel gears, one end of the two groups of the first bevel gears is connected to the second bevel gear running through the inner side of the second groove through a connecting shaft, the two groups of the second bevel gears are meshed with a third bevel gear, a driving gear is provided on one side of the two groups of the third bevel gears, and a rack belt meshed with the two groups of the driving gears is provided on one side of the two groups of the second plug-in rods.

3. A soundproof door locking device according to claim 2, characterized in that: One end of the second plug-in rod and an inner wall of one side of the through slot are both provided with matching slopes.

4. A soundproof door locking device according to claim 1, characterized in that: One side of the first door panel is provided with two groups of abutment grooves, and one side of the second door panel is provided with sealing pads matched with the two groups of abutment grooves.

5. A soundproof door locking device according to claim 4, characterized in that: A handle is installed on one side of the first door panel and the second door panel.

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