Folding door limiting device

Abstract

The utility model discloses a folding door limiting device which comprises a door frame, the top of the door frame is fixedly connected with a fixing seat, a pulley is movably sleeved with the door frame, a lower mounting rod is rotationally sleeved with the pulley through a bearing, the inner side of the door frame is fixedly connected with a guide rod, and the outer side of the guide rod is slidably sleeved with a guide seat. And the bottom of the guide seat is fixedly connected with an upper mounting rod. The folding door can be installed under the action of the upper installation rod and the lower installation rod, the relative positions of the sliding seat and the fixed seat can be fixed through matched use of the groove, the ball and the spring, then the position of the folding door can be fixed, and after the folding door is installed, the sliding seat can be driven to move in the moving process of the folding door, so that the folding door is convenient to move. The sliding seat can drive the ball to roll, the ball can be matched with the grooves in different positions, the position of the sliding seat can be conveniently adjusted, and then the using position of the folding door can be limited for use.

Description

Technical Field

[0001] The utility model relates to the technical field of limiting devices, in particular to a limiting device for a folding door. Background Art

[0002] A folding door is a door that folds up, usually consisting of multiple leaves connected by hinges or slides. Folding doors are commonly used indoors or outdoors to save space and can be fully opened to provide more space when needed.

[0003] Patent authorization publication number CN219654505U discloses a folding door limiter assembly, comprising a door frame connected to a wall, to which a folding unit is slidably connected via a sliding groove. The folding unit comprises multiple folding doors and a power assembly. By providing a rotating disc with a fixed unit and a limit block, this utility model effectively limits the folding door after closing. Compared to existing technologies, this assembly avoids the problem of demagnetization caused by prolonged use, resulting in a longer service life.

[0004] In the above-mentioned prior art, it is inconvenient to limit the folding door at any position when limiting the position of the folding door, and the folding door is prone to slipping and deflecting, which is not convenient to use. Therefore, there is a need for improvement. Utility Model Content

[0005] The purpose of the utility model is to provide a folding door limiting device, which solves the problem that it is inconvenient to limit the folding door at any position.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a folding door limiting device comprises a door frame, the top of the door frame is fixedly connected to a fixed seat, the interior of the door frame is movably sleeved with a pulley, the interior of the pulley is rotatably sleeved with a lower mounting rod through a bearing, the inner side of the door frame is fixedly connected to a guide rod, the outer side of the guide rod is slidably sleeved with a guide seat, the bottom of the guide seat is fixedly connected to an upper mounting rod, the top of the upper mounting rod is fixedly connected to a sliding rod, the sliding rod is slidably connected to the fixed seat, the top of the sliding rod is fixedly connected to a sliding seat, the sliding seat is slidably connected to the fixed seat, a limiting mechanism is provided on the sliding seat, and a lubrication mechanism is provided on the sliding seat.

[0007] Preferably, the limiting mechanism includes a groove, the interior of the fixed seat is provided with a groove, a ball bearing is movably sleeved within the groove, the ball bearing is movably connected to the sliding seat, a slider is movably sleeved outside the ball bearing, the slider is slidably connected to the sliding seat, a connecting rod is fixedly connected to the top of the slider, the connecting rod is slidably connected to the sliding seat, and a spring is provided on the outside of the connecting rod. By designing the limiting mechanism, the movement of the folding door can be limited.

[0008] Preferably, there are multiple grooves, and the multiple grooves are evenly distributed inside the fixing seat. By designing multiple grooves, the balls can roll into the grooves at different positions.

[0009] Preferably, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the slide. The spring is designed so that the force of the spring can act on the slider.

[0010] Preferably, the lubrication mechanism includes a connecting groove, the outer side of the slider is fixedly connected to the connecting groove, the connecting groove is slidably connected to the slide seat, the interior of the connecting groove is fixedly connected to a sponge pad, the interior of the connecting groove is fixedly connected to a connecting pipe, the connecting pipe contacts the sponge pad, the connecting pipe is fixedly connected to the slider, the interior of the slide seat is fixedly connected to a pressure block, the interior of the slide seat is slidably sleeved with a plug, the outer side of the plug is fixedly connected to a clamping block, and the clamping block is fixedly connected to the slide seat. By designing the lubrication mechanism, the ball bearings can be lubricated.

[0011] Preferably, the plug and the block are an integrated structure, and both the plug and the block are made of rubber. The block is designed so that the block can be deformed when squeezed.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model can install the folding door by designing the functions of the upper mounting rod and the lower mounting rod. By using the groove, the ball bearing and the spring in combination, the relative position of the sliding seat and the fixed seat can be fixed, and thus the position of the folding door can be fixed. After the folding door is installed, the sliding seat will be driven to move during the movement of the folding door, and the sliding seat can drive the ball bearing to roll, so that the ball bearing can be matched with the grooves at different positions, which is convenient for adjusting the position of the sliding seat, and thus the use position of the folding door can be limited.

[0014] 2. The utility model is designed with the function of the connecting groove. When the ball rolls along the groove, it will be squeezed and moved upward, which can then move the slider upward. The upward movement of the slider can drive the connecting groove to move, so that the sponge pad inside the connecting groove can contact with the pressure block. The pressure block can squeeze out the lubricating oil inside the sponge pad, and then the lubricating oil flows through the connecting pipe to lubricate the ball, which can reduce rolling friction and increase service life. The plug is easy to pull out, and lubricating oil can be easily added to the inside of the sponge pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0017] Figure 3 For this utility model Figure 2 The right side sectional view of the slide;

[0018] Figure 4 For this utility model Figure 3 Enlarged view of point A.

[0019] In the figure: 1. door frame; 2. fixing seat; 3. pulley; 4. lower mounting rod; 5. guide rod; 6. guide seat; 7. upper mounting rod; 8. limiting mechanism; 9. lubrication mechanism; 10. slide rod; 11. slide seat; 81. groove; 82. ball bearing; 83. slider; 84. connecting rod; 85. spring; 91. connecting groove; 92. sponge pad; 93. connecting pipe; 94. pressure block; 95. plug; 96. block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1 、 Figure 2 、 Figure 3 The folding door limiting device includes a door frame 1, a fixed seat 2 is fixedly connected to the top of the door frame 1, a pulley 3 is movably sleeved inside the door frame 1, and a lower mounting rod 4 is rotatably sleeved inside the pulley 3 through a bearing, a guide rod 5 is fixedly connected to the inner side of the door frame 1, and a guide seat 6 is slidably sleeved on the outer side of the guide rod 5. The bottom of the guide seat 6 is fixedly connected to the upper mounting rod 7, and the top of the upper mounting rod 7 is fixedly connected to the sliding rod 10. The sliding rod 10 is slidably connected to the fixed seat 2, and the top of the sliding rod 10 is fixedly connected to the sliding seat 11. The sliding seat 11 is slidably connected to the fixed seat 2. A limiting mechanism 8 is provided on the sliding seat 11, and a lubrication mechanism 9 is provided on the sliding seat 11.

[0022] See also Figure 1 、 Figure 2 、 Figure 3The limiting mechanism 8 includes a groove 81, a groove 81 is opened inside the fixed seat 2, and a ball 82 is movably sleeved inside the groove 81. The number of grooves 81 is multiple, and the multiple grooves 81 are evenly distributed inside the fixed seat 2. By designing multiple grooves 81, the ball 82 can roll into the grooves 81 at different positions, and the ball 82 is movably connected to the slide seat 11. The outer side of the ball 82 is movably sleeved with a slider 83, and the slider 83 is slidably connected to the slide seat 11. The top of the slider 83 is fixedly connected to a connecting rod 84, and the connecting rod 84 is slidably connected to the slide seat 11. A spring 85 is provided on the outer side of the connecting rod 84, one end of the spring 85 is fixedly connected to the slider 83, and the other end of the spring 85 is fixedly connected to the slide seat 11. By designing the spring 85, the force of the spring 85 can act on the slider 83. By designing the limiting mechanism 8, the movement of the folding door can be limited.

[0023] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The lubrication mechanism 9 includes a connecting groove 91, the outer side of the slider 83 is fixedly connected with the connecting groove 91, the connecting groove 91 is slidably connected to the slide 11, the interior of the connecting groove 91 is fixedly connected with a sponge pad 92, the interior of the connecting groove 91 is fixedly connected with a connecting pipe 93, the connecting pipe 93 contacts the sponge pad 92, the connecting pipe 93 is fixedly connected to the slider 83, the interior of the slide 11 is fixedly connected with a pressure block 94, the interior of the slide 11 is slidably sleeved with a plug 95, the outer side of the plug 95 is fixedly connected with a card block 96, the plug 95 and the card block 96 are an integrated structure, the plug 95 and the card block 96 are both made of rubber. By designing the card block 96, the card block 96 can be deformed by being squeezed, and the card block 96 is fixedly connected to the slide 11. By designing the lubrication mechanism 9, the ball 82 can be lubricated.

[0024] The specific implementation process of the utility model is as follows: when in use, the folding door can be installed through the action of the upper mounting rod 7 and the lower mounting rod 4. After the folding door is installed, during the folding or opening movement of the folding door, the pulley 3 will slide along the door frame 1, and at the same time, the upper mounting rod 7 will drive the guide seat 6 to slide along the guide rod 5, and the guide seat 6 will drive the slide bar 10 to slide along the fixed seat 2, and the slide bar 10 will drive the slide seat 11 to move, and the slide seat 11 will drive the ball 82 to move, and the ball 82 will slide along the arc surface of the groove 81, and the ball 82 will The ball 82 is squeezed and pushed upward, and the slider 83 and the connecting rod 84 are moved upward. The slider 83 squeezes the spring 85, and the ball 82 can slide out from the inside of the groove 81. As the slide seat 11 slides, the elastic action of the spring 85 gives the slider 83 a downward reaction force, and the ball 82 can roll into the inside of the groove 81 at another position. By using the groove 81, the ball 82 and the spring 85 in conjunction with each other, the relative position of the slide seat 11 and the fixed seat 2 can be fixed, and then the position limit of the folding door can be fixed.

[0025] As slider 83 moves upward, it drives connecting groove 91 upward, which in turn drives sponge pad 92 upward. Sponge pad 92 comes into contact with pressing block 94 and is squeezed by pressing block 94. Pressing block 94 then squeezes out the lubricating oil inside sponge pad 92. The lubricating oil then flows through connecting tube 93 to lubricate ball bearing 82, reducing rolling friction and extending its service life. Pulling up plug 95 removes plug 95, allowing lubricating oil to be pumped into sponge pad 92, facilitating its replenishment and refilling.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A folding door limiting device, comprising a door frame (1), characterized in that: The top of the door frame (1) is fixedly connected to a fixed seat (2), the interior of the door frame (1) is movably sleeved with a pulley (3), the interior of the pulley (3) is rotatably sleeved with a lower mounting rod (4) through a bearing, the inner side of the door frame (1) is fixedly connected to a guide rod (5), the outer side of the guide rod (5) is slidably sleeved with a guide seat (6), the bottom of the guide seat (6) is fixedly connected to an upper mounting rod (7), the top of the upper mounting rod (7) is fixedly connected to a sliding rod (10), the sliding rod (10) is slidably connected to the fixed seat (2), the top of the sliding rod (10) is fixedly connected to a sliding seat (11), the sliding seat (11) is slidably connected to the fixed seat (2), a limiting mechanism (8) is provided on the sliding seat (11), and a lubricating mechanism (9) is provided on the sliding seat (11).

2. The folding door limiting device according to claim 1, characterized in that: The limiting mechanism (8) includes a groove (81), the interior of the fixed seat (2) is provided with a groove (81), the interior of the groove (81) is movably sleeved with a ball (82), the ball (82) is movably connected to the slide seat (11), the outer side of the ball (82) is movably sleeved with a slider (83), the slider (83) is slidably connected to the slide seat (11), the top of the slider (83) is fixedly connected with a connecting rod (84), the connecting rod (84) is slidably connected to the slide seat (11), and a spring (85) is provided on the outer side of the connecting rod (84).

3. The folding door limiting device according to claim 2, characterized in that: There are multiple grooves (81), and the multiple grooves (81) are evenly distributed inside the fixing seat (2).

4. The folding door limiting device according to claim 2, characterized in that: One end of the spring (85) is fixedly connected to the slider (83), and the other end of the spring (85) is fixedly connected to the slide seat (11).

5. The folding door limiting device according to claim 2, characterized in that: The lubricating mechanism (9) comprises a connecting groove (91), the outer side of the slider (83) is fixedly connected with the connecting groove (91), the connecting groove (91) is slidably connected to the slider (11), the interior of the connecting groove (91) is fixedly connected with a sponge pad (92), the interior of the connecting groove (91) is fixedly connected with a connecting pipe (93), the connecting pipe (93) contacts the sponge pad (92), the connecting pipe (93) is fixedly connected to the slider (83), the interior of the slider (11) is fixedly connected with a pressure block (94), the interior of the slider (11) is slidably sleeved with a plug (95), the outer side of the plug (95) is fixedly connected with a clamping block (96), and the clamping block (96) is fixedly connected to the slider (11).

6. The folding door limiting device according to claim 5, characterized in that: The plug (95) and the clamping block (96) are an integrated structure, and both the plug (95) and the clamping block (96) are made of rubber.

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