Shutter hidden type gear and rack opening and closing device

Abstract

The utility model discloses a shutter hidden type gear and rack opening and closing device which comprises a plurality of shutters, the left end and the right end of each shutter are rotationally connected through a gear and two racks arranged in a front-back spaced mode, and gear sleeve shells used for positioning the gears and the racks are installed on the outer walls of the two racks in a matched and clamped mode. The gear sleeve shells used for clamping and positioning the two racks are arranged on the inner walls of the racks, so that the racks can be positioned and guided, the use stability of equipment is improved, and the situation that the two racks slide in a matched mode in the matched sliding process is avoided to a certain extent. The use smoothness of the louver is improved, and an operator can conveniently operate and control the louver to synchronously turn over with one hand.

Description

Technical Field

[0001] The utility model relates to the technical field of shutters, in particular to a shutter concealed gear rack opening and closing device. Background Art

[0002] The existing hidden blinds structure generally cooperates with gears and racks to enable several blinds to be linked. However, when installing the racks, two racks are usually installed on the inner wall of the side panel, and there is a lack of positioning structure between the gears and the racks. As a result, when the blinds are quickly moved, jamming or even misalignment between the gears and the racks may occur. The blinds have poor stability and are inconvenient to use. Utility Model Content

[0003] The purpose of the utility model is to provide a shutter concealed gear rack opening and closing device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The shutter concealed gear rack opening and closing device includes a shutter, and a plurality of shutters are arranged. The left and right ends of the shutter are rotationally connected through gears and two racks arranged alternately in front and behind. The outer walls of the two racks are matched with a gear sleeve shell for positioning the racks and the gear sleeve shell is installed for card connection, and the gear sleeve shell and the gear are distributed one by one.

[0006] In a preferred embodiment of the present invention, side panels are provided above and below the louver, vertical beams are mounted on both ends of the side panels and the louver, teeth are evenly arranged on the surface of the rack, and the end of the gear is plugged and connected to the socket of the side wall of the louver through a plug plate.

[0007] In a preferred embodiment of the present invention, the gear sleeve shell is made of rubber, a through hole is opened at the center of the inner wall of the gear sleeve shell, a through hole is opened at the center of the inner wall of the gear, and the interior of the gear is a hollow structure.

[0008] In a preferred embodiment of the utility model, tenons are fixedly installed on the left and right ends of the side panels, the tenons are plugged and fixed with the inner wall of the vertical beam, the rack is installed inside the vertical beam, the outer wall of the rack is slidably connected with the inner wall of the vertical beam, two vertical beams are symmetrically arranged on the left and right, and the vertical beam is arranged in a C shape.

[0009] In a preferred embodiment of the present invention, an opening is provided on a side of the vertical beam close to the louver, and vertical beam covers are installed on the inner walls of the two vertical beams.

[0010] In a preferred embodiment of the present utility model, the vertical beam cover is installed at the open end of the shutter, and the inner wall of the vertical beam cover is evenly provided with through grooves.

[0011] In a preferred embodiment of the present utility model, the gear passes through the through slot and is in plug-in connection with the jack on the side wall of the louver.

[0012] In a preferred embodiment of the present utility model, the inner wall of the vertical beam and the hollow position of the inner wall of the gear are fixedly connected by screws, and the end of the screw is inserted into the jack on the side wall of the louver.

[0013] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model.

[0014] 1. By arranging a tooth sleeve housing for clamping and positioning the two racks on the inner wall of the rack, the rack can be positioned and guided, improving the stability of the equipment during use. To a certain extent, it avoids the phenomenon that the two racks are prone to dislocation and jamming during the matching sliding process, improves the smoothness of the louver during use, and facilitates the operator to control the louver to flip synchronously with one hand.

[0015] 2. By arranging independently controlled gears in the two racks to rotate, when one louver is rotated, the phenomenon that other louvers are jammed can be avoided, improving the structural stability of the equipment during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1 It is a front view structural schematic diagram of a hidden gear and rack opening and closing device for louvers;

[0018] Figure 2 It is a side plate installation structural schematic diagram of a hidden gear and rack opening and closing device for louvers;

[0019] Figure 3 It is an exploded structural schematic diagram of a hidden gear and rack opening and closing device for louvers;

[0020] Figure 4 It is for a hidden gear and rack opening and closing device for louvers Figure 3 Structural schematic diagram at position A;

[0021] Figure 5 It is a rack installation structural schematic diagram of a hidden gear and rack opening and closing device for louvers.

[0022] In the figure: side plate 100, tenon 101, vertical beam 110, gear sleeve housing 120, rack 130, teeth 131, screw 140, vertical beam cover 150, through slot 151, gear 160, shutter 200, jack 210. Specific embodiments

[0023] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0024] Embodiment 1: As Figures 1-4 , including a shutter 200, a plurality of shutters 200 are provided. The left and right ends of the shutter 200 are rotatably connected by a gear 160 and two racks 130 arranged alternately front and back. The outer walls of the two racks 130 are fitted and clamped with a gear sleeve housing 120 for positioning the gear 160 and the rack 130. The gear sleeve housings 120 are distributed in one-to-one correspondence with the gears 160. Side plates 100 are provided above and below the shutter 200. Vertical beams 110 are fitted and installed at both ends of the side plates 100 and the shutter 200. Teeth 131 are evenly provided on the surface of the rack 130. The end of the gear 160 is inserted into the jack 210 on the side wall of the shutter 200 through a plug board for mating connection.

[0025] The specific use scenario of this embodiment is: by providing a gear sleeve housing 120 for clamping and positioning the two racks 130 on the inner wall of the rack 130 and arranging the gear 160 inside the gear sleeve housing 120, the gear sleeve housing 120 can play a role in positioning and guiding the rack 130, improving the stability of the equipment during use, and to a certain extent avoiding the phenomenon that the two racks 130 are prone to dislocation and jamming during the matching sliding process, improving the smoothness of the shutter 200 during use, and facilitating the operator to operate and control the shutter 200 to flip synchronously with one hand.

[0026] Embodiment 2: As Figure 4 and Figure 5, the gear sleeve housing 120 is made of rubber. A through hole is provided at the center of the inner wall of the gear sleeve housing 120, and a through hole is provided at the center of the inner wall of the gear 160. The inside of the gear 160 is a hollow structure. Tenons 101 are fixedly installed at both ends of the left and right sides of the side plate 100. The tenons 101 are inserted and fixedly connected with the inner wall of the vertical beam 110. The rack 130 is installed inside the vertical beam 110. The outer wall of the rack 130 is slidably connected with the inner wall of the vertical beam 110. There are two vertical beams 110 arranged symmetrically left and right. The vertical beam 110 is C-shaped. There is an opening on the side of the vertical beam 110 close to the shutter 200. A vertical beam cover 150 is installed in cooperation with the inner walls of the two vertical beams 110. The vertical beam cover 150 is installed at the opening of the shutter 200. Through grooves 151 are evenly provided on the inner wall of the vertical beam cover 150. The gear 160 passes through the through grooves 151 and is inserted and connected with the jack 210 on the side wall of the shutter 200. The inner wall of the vertical beam 110 and the hollow position of the inner wall of the gear 160 are fixedly connected by screws 140. The end of the screw 140 is inserted into the jack 210 on the side wall of the shutter 200.

[0027] The specific use scenario of this embodiment is as follows: The two racks 130 are clamped and connected inside the gear sleeve housing 120, and then the racks 130 and the gear sleeve housing 120 are synchronously installed inside the vertical beam 110, so that the vertical beam 110 can slidably connect the racks 130. The gear 160 is meshed and connected with the teeth 131 of the two racks 130. Subsequently, the vertical beam cover 150 is clamped and installed on the inner wall of the vertical beam 110 to position the gear 160. Then the shutter 200 is inserted and connected through the cooperation of the gear 160 and the jack 210. Subsequently, the upper and lower side plates 100 are inserted and installed on the inner walls of the top and bottom ends of the vertical beam 110, and then the vertical beam 110 and the gear sleeve housing 120 are fixed by screws 140.

[0028] The working principle of the present utility model is as follows: When in use, those skilled in the art clamp the two racks 130 and connect them inside the gear sleeve housing 120, and then synchronously install the racks 130 and the gear sleeve housing 120 inside the vertical beam 110, so that the vertical beam 110 can slidably connect the racks 130. The gear 160 is meshed and connected with the teeth 131 of the two racks 130. Subsequently, the vertical beam cover 150 is clamped and installed on the inner wall of the vertical beam 110 to position the gear 160. Then the shutter 200 is inserted and connected through the cooperation of the gear 160 and the jack 210. Subsequently, the upper and lower side plates 100 are inserted and installed on the inner walls of the top and bottom ends of the vertical beam 110, and then the vertical beam 110 and the gear sleeve housing 120 are fixed by screws 140. By holding one of the shutters 200 and rotating it, the racks 130 can be synchronously driven to move up and down, so that several shutters 200 can be synchronously rotated to adjust the angle, improving the stability of equipment use.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A blind concealed gear rack opening and closing device, comprising a blind (200), wherein a plurality of blinds (200) are provided, and the left and right ends of the blind (200) are rotatably connected via a gear (160) and two racks (130) arranged alternately in front and behind, and characterized in that: The outer walls of the two racks (130) are cooperatingly engaged with a gear sleeve housing (120) for positioning the gear (160) and the rack (130), and the gear sleeve housing (120) and the gear (160) are distributed in a one-to-one correspondence.

2. The shutter concealed gear rack opening and closing device according to claim 1, characterized in that: Side plates (100) are arranged above and below the louver (200); vertical beams (110) are installed at both ends of the side plates (100) and the louver (200); teeth (131) are evenly arranged on the surface of the rack (130); and the end of the gear (160) is plugged and connected with the plug hole (210) on the side wall of the louver (200) through a plug plate.

3. The shutter concealed gear rack opening and closing device according to claim 2, characterized in that: The gear sleeve housing (120) is made of rubber material, a through hole is provided at the center of the inner wall of the gear sleeve housing (120), a through hole is provided at the center of the inner wall of the gear (160), and the interior of the gear (160) is a hollow structure.

4. The shutter concealed gear rack opening and closing device according to claim 3, characterized in that: Tenons (101) are fixedly installed at the left and right ends of the side plate (100), and the tenons (101) are plugged and fixed with the inner wall of the vertical beam (110). The rack (130) is installed inside the vertical beam (110), and the outer wall of the rack (130) is slidably connected with the inner wall of the vertical beam (110). Two vertical beams (110) are symmetrically arranged on the left and right, and the vertical beam (110) is arranged in a C shape.

5. The shutter concealed gear rack opening and closing device according to claim 4, characterized in that: The vertical beam (110) is provided with an opening on one side close to the shutter (200), and vertical beam covers (150) are mounted on the inner walls of the two vertical beams (110).

6. The shutter concealed gear rack opening and closing device according to claim 5, characterized in that: The vertical beam cover (150) is installed at the open portion of the shutter (200), and the inner wall of the vertical beam cover (150) is evenly provided with through grooves (151).

7. The shutter concealed gear rack opening and closing device according to claim 6, characterized in that: The gear (160) passes through the through slot (151) and is plug-connected with the insertion hole (210) on the side wall of the shutter (200).

8. The shutter concealed gear rack opening and closing device according to claim 7, characterized in that: The inner wall of the vertical beam (110) and the hollow position of the inner wall of the gear (160) are fixedly connected by means of screws (140), and the ends of the screws (140) are inserted into the insertion holes (210) of the side walls of the shutters (200).

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