Folding type door top device

Abstract

The utility model discloses a folding type door top device which comprises a base used for being installed on the surface of a door plate; one end of the swing arm is rotationally connected to the base through a transversely-arranged pivot, an anti-skid rubber block is arranged at the other end of the swing arm, and the swing arm has the use state that the swing arm swings downwards till the anti-skid rubber block is flush with the ground and the storage state that the swing arm swings upwards to the side portion of the door plate; and the positioning mechanism is arranged between the swing arm and the base and can stabilize the swing arm in a storage state. According to the door top device of the structure, when the stopping position of the door plate needs to be adjusted, only the swing arm needs to be lifted to enable the anti-skid rubber block to leave the ground, the swing arm is released when the door plate rotates to a proper angle position, the swing arm and the anti-skid rubber block swing downwards under the action of gravity, and the anti-skid rubber block is attached to the ground to form friction force for preventing the door plate from rotating. The stop position of the door plate can be adjusted very conveniently; when the door top device does not need to be used, the swing arm is lifted to be in the storage state, the swing arm is fixed through the positioning mechanism, and the door top device is convenient to store.

Description

Technical Field

[0001] This utility model relates to a folding door top device. Background Technology

[0002] In daily life, after opening a door panel, it needs to be positioned using a door catch or door stop to prevent it from being blown open by the wind. Door catches use magnetic attraction for positioning, but the magnetic force weakens and the effect becomes less effective after a period of use. Door stops, also known as door guards, are usually placed on the ground. Door stops have a flat surface that contacts the ground and a beveled surface that intersects the flat surface to press against the lower edge of the door panel. When the door panel is opened, the lower edge of the door panel rests against the beveled surface, and the door stop relies on the friction between the ground and the flat surface to prevent the door panel from opening further. However, door stops placed on the ground require lifting and moving to the appropriate position when the opening angle needs to be adjusted, which is very inconvenient. Moreover, the door stop needs to be removed from the ground when not in use, making it inconvenient to use. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a folding door top device that facilitates adjustment of the door panel's stopping position and allows for easy storage when not in use.

[0004] A folding door top device according to an embodiment of the present utility model includes: a base for mounting on the surface of a door panel; a swing arm, one end of which is rotatably connected to the base via a horizontally pivoted pivot, the other end of which is provided with an anti-slip rubber block, the swing arm having a use state in which it swings downward until the anti-slip rubber block is flush with the ground and a storage state in which it swings upward to the side of the door panel; and a positioning mechanism disposed between the swing arm and the base, capable of stabilizing the swing arm in the storage state.

[0005] The folding door top device according to an embodiment of the present utility model has at least the following features:

[0006] Beneficial effects:

[0007] When the door panel needs to be adjusted, the above-described door top device simply requires raising the swing arm to lift the anti-slip rubber block off the ground. When the door panel rotates to the appropriate angle, the swing arm is released, and the swing arm and anti-slip rubber block swing downwards under the influence of gravity. The anti-slip rubber block adheres to the ground, creating friction that prevents the door panel from rotating, thus making it very convenient to adjust the door panel's stopping position. When the door top device is not needed, the swing arm is raised to the storage state, and the positioning mechanism fixes the swing arm, making it easy to store the door top device.

[0008] In some embodiments of this utility model, the base includes a mounting plate for mounting on the surface of a door panel and two side plates spaced apart on the mounting plate. One end of the swing arm has a rotating joint sandwiched between the two side plates. The side plates and the rotating joint are respectively provided with a first shaft hole and a second shaft hole for the pivot to pass through.

[0009] In some embodiments of this utility model, the positioning mechanism includes a positioning groove and a ball structure that cooperates with the positioning groove. One of the positioning groove and the ball structure is disposed on the inner wall of at least one of the side plate portions, and the other is disposed on the rotating joint.

[0010] In some embodiments of this utility model, each of the two facing sidewalls of the two side plates is provided with a positioning groove, the rotating joint is provided with a channel parallel to the second shaft hole, and the ball structure includes a spring passing through the channel and two positioning balls respectively abutting against the two ends of the spring.

[0011] In some embodiments of this utility model, the rotating joint has a circumferential surface arranged around the second shaft hole, a connecting plate is provided between the two side plate portions, the connecting plate has an arc concave surface that matches the circumferential surface, and a stop portion is provided on one side of the arc concave surface of the connecting plate. When the spring drives the positioning bead into the corresponding positioning groove, the swing arm abuts against the stop portion.

[0012] In some embodiments of this utility model, the mounting plate, the side plate, and the connecting plate are an integral metal structure or an integral plastic structure.

[0013] In some embodiments of this utility model, a rotation limiting mechanism is provided between the rotating joint and at least one of the side plate portions. During the process of the swing arm rotating from the use state to the storage state, the rotation limiting mechanism can gradually increase the resistance of the swing arm swinging upward relative to the base.

[0014] In some embodiments of this utility model, the rotation limiting mechanism includes a limiting groove recessed in the inner wall of the side plate and arranged around the first shaft hole. The depth of the limiting groove gradually increases from top to bottom. The side of the rotating joint is provided with a limiting member that elastically abuts against the bottom of the limiting groove.

[0015] In some embodiments of this utility model, a positioning groove is provided on the facing sidewalls of the two side plates. The limiting groove is located below the positioning groove. The rotating joint is connected by a spring to two positioning beads that match the positioning groove one by one. The positioning beads constitute the limiting member. After the positioning beads leave the corresponding positioning groove, they can move from top to bottom along the limiting groove.

[0016] In some embodiments of this utility model, the anti-slip rubber block is detachably installed at the end of the swing arm away from the base.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the swing arm in use, representing an embodiment of the folding door top device of this utility model.

[0020] Figure 2 for Figure 1 A schematic diagram of the swing arm in its retracted state according to the embodiment;

[0021] Figure 3 for Figure 2 A cross-sectional schematic diagram of an embodiment;

[0022] Figure 4 for Figure 1 Schematic diagram of the structural breakdown of the embodiment;

[0023] Figure 5 This is a structural schematic diagram of one embodiment of the base.

[0024] Figure label:

[0025] Base 100; Mounting plate 110; Side plate 120; First shaft hole 121; Connecting plate 130; Arc concave surface 131; Stop part 132; Swing arm 200; Rotating joint 210; Second shaft hole 211; Channel 212; Circumferential surface 213; Pivot 300; Anti-slip rubber block 400; Positioning mechanism 500; Positioning groove 510; Ball structure 520; Spring 521; Positioning bead 522; Limiting groove 600. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein 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 with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as the terms "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] See Figures 1 to 3 This utility model discloses a folding door top device, comprising: a base 100 for mounting on the surface of a door panel; a swing arm 200, one end of which is rotatably connected to the base 100 via a horizontally placed pivot 300, and the other end of which is provided with an anti-slip rubber block 400; the swing arm 200 has a working state in which it swings downward until the anti-slip rubber block 400 is flush with the ground and a storage state in which it swings upward to the side of the door panel; and a positioning mechanism 500 disposed between the swing arm 200 and the base 100, capable of stabilizing the swing arm 200 in the storage state.

[0031] When adjusting the door panel's stopping position, the above-described door top device simply requires raising the swing arm 200 to lift the anti-slip rubber block 400 off the ground. When the door panel rotates to the appropriate angle, the swing arm 200 is released, and the swing arm 200 and anti-slip rubber block 400 swing downwards under gravity. The anti-slip rubber block 400 adheres to the ground, creating friction to prevent the door panel from rotating, thus conveniently adjusting the door panel's stopping position. When the door top device is not needed, the swing arm 200 is raised to a retracted state, and the positioning mechanism 500 fixes the swing arm 200 to the side of the door panel, preventing it from falling off and facilitating its storage without affecting the normal opening and closing of the door panel. It should be noted that users can raise or lower the swing arm 200 by hand or by kicking it, making it even more convenient to use.

[0032] See Figure 3 , Figure 4 and Figure 5 In some embodiments of this utility model, the base 100 includes a mounting plate 110 for mounting on the surface of a door panel and two side plate portions 120 spaced apart on the mounting plate 110. One end of the swing arm 200 has a rotating joint 210 sandwiched between the two side plate portions 120. The side plate portions 120 and the rotating joint 210 are respectively provided with a first shaft hole 121 and a second shaft hole 211 through which the pivot 300 passes. It can be understood that the rotating joint 210 rotates between the two side plate portions 120 to prevent the swing arm 200 from displacing along the axial direction of the pivot 300, thus ensuring the support strength and stability of the swing arm 200 for the anti-slip rubber block 400. In this embodiment, the pivot 300 is a riveted post that passes through the second shaft hole 211 and the two first shaft holes 121. The two ends of the riveted post form protrusions to prevent the pivot 300 from falling off. Correspondingly, the outer side wall of the side plate portion 120 is provided with a contoured groove that mates with the protrusion.

[0033] See Figure 3 and Figure 4In some embodiments of this utility model, the positioning mechanism 500 includes a positioning groove 510 and a ball bearing structure 520 that cooperates with the positioning groove 510. One of the positioning groove 510 and the ball bearing structure 520 is located on the inner wall of at least one side plate portion 120, and the other is located on the rotating joint 210. It should be noted that when the ball bearing structure 520 is located on the rotating joint 210, the positioning groove 510 is located on the inner wall of the side plate portion 120; conversely, when the ball bearing structure 520 is located on the inner wall of the side plate portion 120, the positioning groove 510 is located on the rotating joint 210. When the swing arm 200 swings upward from the use state to the storage state, the ball bearing structure 520 enters the positioning groove 510, maintaining the position of the swing arm 200 under the action of elastic force. When the user applies a large external force to make the ball bearing structure 520 leave the positioning groove 510, the swing arm 200 can swing downward from the storage state to the use state.

[0034] See Figure 3 and Figure 4 In some embodiments of this utility model, in order to improve the reliability of the positioning mechanism 500 in positioning the swing arm 200, a positioning groove 510 is provided on the facing side walls of the two side plate portions 120. In order to simplify the construction of the ball structure 520, the rotating joint 210 is provided with a channel 212 parallel to the second shaft hole 211. The ball structure 520 includes a spring 521 passing through the channel 212 and two positioning balls 522 respectively abutting against the two ends of the spring 521.

[0035] See Figure 4 and Figure 5 In some embodiments of this utility model, the rotating joint 210 has a circumferential surface 213 surrounding the second shaft hole 211, and a connecting plate 130 is provided between the two side plate portions 120. The connecting plate 130 has an arcuate concave surface 131 that matches the circumferential surface 213. The connecting plate 130 has a stop portion 132 on one side of the arcuate concave surface 131. When the spring 521 drives the positioning bead 522 into the corresponding positioning groove 510, the swing arm 200 abuts against the stop portion 132. After the door top device has been used for a long time, the pivot 300 is prone to wear on the inner circumferential walls of the first shaft hole 121 and the second shaft hole 211, causing the swing arm 200 to easily move in the radial direction along the pivot 300 during rotation, thereby affecting reliability and safety. The above structure can alleviate the above problems by setting the circumferential surface 213 of the rotating joint 210 and the arcuate concave surface 131 of the connecting plate 130. It is conceivable that when the user applies excessive external force to drive the swing arm 200 to swing upward, the ball structure 520 may go beyond the positioning groove 510 after entering the positioning groove 510. The setting of the stop part 132 can solve this problem.

[0036] In some embodiments of this utility model, in order to reduce the difficulty and cost of production and processing, the mounting plate 110, the side plate 120 and the connecting plate 130 are integral metal structures or integral plastic structures, that is, the base 100 is obtained by integral injection molding or by casting.

[0037] See Figures 3 to 5 In some embodiments of this utility model, a rotation limiting mechanism is provided between the rotating joint 210 and at least one of the side plate portions 120. During the rotation of the swing arm 200 from the used state to the stored state, the rotation limiting mechanism can gradually increase the resistance of the swing arm 200 to upward swinging relative to the base 100. It should be noted that if the pressure applied to the anti-slip rubber block 400 on the ground is solely based on the gravity of the swing arm 200, the resulting static friction is relatively small, and the effect of preventing the door panel from rotating is generally limited. When the swing arm 200 is scraped, it tends to lift upwards. The rotation limiting mechanism can generate resistance when the swing arm 200 has an upward swinging tendency, thus ensuring, to a certain extent, the positive pressure of the anti-slip rubber block 400 on the ground, thereby maintaining the stability and reliability of the static friction.

[0038] See Figure 3 In some embodiments of this utility model, the rotation limiting mechanism includes a limiting groove 600 that is recessed in the inner wall of the side plate portion 120 and arranged around the first shaft hole 121. The depth of the limiting groove 600 gradually increases from top to bottom. The side of the rotating joint 210 is provided with a limiting member that elastically abuts against the bottom of the limiting groove 600. Understandably, when the swing arm 200 swings downwards until the limiting member just enters the limiting groove 600, the limiting member is subjected to an elastic force against the upper end of the limiting groove 600. Since the depth of the upper end of the limiting groove 600 is smaller, meaning the spring 521 is compressed to a greater extent, the elastic force on the limiting member is at its maximum, and the friction between the limiting member and the bottom of the limiting groove 600 is also at its maximum. When the limiting member moves with the swing arm 200 to abut against the lower end of the limiting groove 600, since the depth of the lower end of the limiting groove 600 is larger, meaning the spring 521 is compressed to a smaller extent, the elastic force on the limiting member is at its minimum. Therefore, after the swing arm 200 develops an upward swinging tendency from its operating state, as the swing arm 200 swings upwards, the resistance of the swing arm 200 relative to the base 100 gradually increases.

[0039] See Figure 4 and Figure 5In some embodiments of this utility model, each of the two facing sidewalls of the two side plate portions 120 is provided with a positioning groove 510. The limiting groove 600 is located below the positioning groove 510. The rotating joint 210 is connected by a spring 521 to two positioning beads 522 that match the positioning grooves 510 one by one. The positioning beads 522 constitute the limiting member. After the positioning beads 522 leave the corresponding positioning groove 510, they can move from top to bottom along the limiting groove 600. It should be noted that the positioning beads 522 and the positioning grooves 510 cooperate to form the positioning mechanism 500, which is used to stabilize the swing arm 200 in the retracted state. Moreover, the positioning beads 522 can also cooperate with the limiting grooves 600 to prevent the swing arm 200 from easily rising, so that the positioning beads 522 have a dual function.

[0040] See Figure 4 In some embodiments of this utility model, the anti-slip rubber block 400 is detachably installed on the end of the swing arm 200 away from the base 100. When the anti-slip rubber block 400 experiences significant wear, a new anti-slip rubber block 400 can be replaced. Specifically, the anti-slip rubber block 400 can be detachably installed by means of adhesive fixation, bolt fixation, or magnetic fixation. In this embodiment, the end of the swing arm 200 away from the base 100 is provided with two threaded posts, and the anti-slip rubber block 400 is provided with two corresponding through holes. Two bolts pass through the through holes and are connected to the corresponding threaded posts. The anti-slip rubber block 400 also has a positioning groove formed on the outer peripheral wall of the end of the swing arm 200 away from the base 100.

[0041] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A retractable door top device characterized by, The utility model relates to a kind of folding door top devices comprising: Base (100), for being installed on the surface of door panel; Swing arm (200), one end of the swing arm (200) is rotatably connected to the base (100) by horizontal pivot (300), the other end of the swing arm (200) is provided with antiskid rubber block (400), the swing arm (200) has the use state that downward swing is to the antiskid rubber block (400) flush with ground and the storage state that upward swing is to the side of the door panel; Positioning mechanism (500) is arranged between the swing arm (200) and the base (100), and the swing arm (200) can be stably positioned in the storage state.

2. The folding door top device according to claim 1, wherein: The base (100) comprises a mounting plate (110) for being installed on the surface of door panel and two side plate portions (120) arranged at intervals on the mounting plate (110), one end of the swing arm (200) has a rotating joint (210) clamped between the two side plate portions (120), the side plate portions (120) and the rotating joint (210) are respectively provided with first shaft holes (121) and second shaft holes (211) for the pivot (300) to pass through.

3. The folding door top device according to claim 2, wherein: The positioning mechanism (500) comprises a positioning groove (510) and a ball structure (520) matched with the positioning groove (510), one of the positioning groove (510) and the ball structure (520) is arranged on the inner wall of at least one of the side plate portions (120), and the other is arranged on the rotating joint (210).

4. The folding door top device according to claim 3, wherein: The facing side walls of the two side plate portions (120) are each provided with one of the positioning grooves (510), the rotating joint (210) is provided with a passage (212) parallel to the second shaft hole (211), and the ball structure (520) comprises a spring (521) passing through the passage (212) and two positioning balls (522) respectively abutting against two ends of the spring (521).

5. The folding door top device according to claim 4, wherein: The rotating joint (210) has a circumferential surface (213) arranged around the second shaft hole (211), the two side plate portions (120) are provided with a connecting plate (130), the connecting plate (130) is provided with an arc concave surface (131) matched with the circumferential surface (213), the connecting plate (130) is provided with a stop portion (132) on one side of the arc concave surface (131), and when the spring (521) drives the positioning balls (522) to enter the corresponding positioning grooves (510), the swing arm (200) abuts against the stop portion (132).

6. The folding door top device according to claim 5, wherein: The mounting plate (110), the side plate portion (120) and the connecting plate (130) are an integral metal structure or an integral plastic structure.

7. The folding door top device according to claim 2, characterized in that: The rotation joint (210) is provided with a rotation limiting mechanism between at least one of the side plate portions (120), and the rotation limiting mechanism can gradually increase the resistance of the swing arm (200) to swing upward relative to the base (100) during the rotation of the swing arm (200) from the use state to the storage state.

8. The folding door top device according to claim 7, characterized in that: The rotation limiting mechanism comprises a limiting groove (600) concavely arranged in the inner wall of the side plate portion (120) and surrounding the first shaft hole (121), the depth of the limiting groove (600) gradually increases from top to bottom, and the side of the rotation joint (210) is provided with a limiting member elastically abutting against the bottom of the limiting groove (600).

9. The folding door top device according to claim 8, characterized in that: The facing side walls of the two side plate portions (120) are each provided with a positioning groove (510), the limiting groove (600) is located below the positioning groove (510), the rotation joint (210) is connected with two positioning beads (522) matched with the positioning grooves (510) through springs (521), the positioning beads (522) constitute the limiting member, and the positioning beads (522) can move along the limiting groove (600) from top to bottom after leaving the corresponding positioning grooves (510).

10. The folding door top device according to claim 1, characterized in that: The anti-skid rubber block (400) is detachably installed at the end of the swing arm (200) away from the base (100).

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