A quick installation parachute

Abstract

The utility model relates to a kind of slow descender of quick installation, including shaft sleeve, transmission shaft and two valve sheets, wherein, the inner wall of shaft sleeve is equipped with the oil separation rib of opposite distribution, transmission shaft includes shaft core and the two rotors of opposite setting relative to shaft core, the two rotors of transmission shaft each sleeve has the valve sheet described and is slidably matched with the inner wall of shaft sleeve, and shaft core lower end is rotationally cooperated with the center of shaft sleeve inner chamber bottom;Its characterized in that, the two rotors one side is equipped with first oil-passing gap, the other side is equipped with second oil-passing gap, and the first oil-passing gap with the second oil-passing gap is through, and the structure of two rotors is central symmetry relative to shaft core, the valve sheet has the U-shaped slot of clearance fit with transmission shaft rotor, the two sides of U-shaped slot are equipped with first oil discharge groove and second oil discharge groove, so that U-shaped slot is not only left and right symmetrical, and also symmetrical up and down. Slow descender of quick installation using the above structure, not only can realize the opening and closing sectional precision control of closestool cover plate, more importantly, its valve sheet does not have directionality, it is very convenient, fast when installing.

Description

Technical Field

[0001] This utility model relates to the field of sanitary ware, and in particular to a quick-installation slow-closing device for toilet seats. Background Technology

[0002] Existing blade-type soft-close mechanisms used in toilet seats typically include a bushing, a drive shaft, and two one-way valves. To achieve oil unloading and sealing functions under different rotation directions, the one-way valves need to be assembled in a specific direction to ensure their performance. However, due to the small size of the valves themselves and their indistinct directional characteristics, misassembly can easily occur during actual assembly, affecting product yield.

[0003] To address this issue, existing technologies propose incorporating error-proof structures on the valve plates and corresponding rotors to prevent finished product defects caused by incorrect orientation. While this method reduces assembly errors to some extent, workers still need to spend extra time identifying and adjusting the valve plate's installation orientation during operation, which reduces the overall assembly efficiency of the decelerator to some degree.

[0004] Therefore, how to further improve assembly convenience while ensuring error prevention has become a key issue that needs further optimization and improvement. Utility Model Content

[0005] The purpose of this utility model is to provide a quick-installation decelerator, whose valve plate is non-directional, making installation very convenient and fast.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: A quick-installation decelerator includes a bushing, a drive shaft, and two valve plates. The inner wall of the bushing is provided with opposing oil-separating ribs. The drive shaft includes a shaft core and two rotors arranged opposite to the shaft core. Each rotor of the drive shaft is fitted with the aforementioned valve plate and slides in cooperation with the inner wall of the bushing. The lower end of the shaft core rotates in cooperation with the center of the bottom of the inner cavity of the bushing. The two rotors are characterized in that one side has a first oil passage notch and the other side has a second oil passage notch, and the first oil passage notch and the second oil passage notch are interconnected. The structure of the two rotors is centrally symmetrical with respect to the shaft core. The valve plates have U-shaped grooves that form a clearance fit with the rotors of the drive shaft. Both sides of the U-shaped groove are provided with a first oil discharge groove and a second oil discharge groove, so that the U-shaped groove is not only symmetrical on the left and right sides, but also symmetrical up and down.

[0007] Preferably, the portion between the two rotors forms a symmetrical radially tapered arc surface.

[0008] Preferably, the bushing includes a sleeve and a gland, and the sleeve and gland are fixedly connected to form a cavity.

[0009] Preferably, the drive shaft passes through the cavity, and a gasket and a sealing ring are provided between the drive shaft and the pressure cover.

[0010] Preferably, the sleeve has a mounting hole at the bottom, an oil passage groove is provided on the outside of the mounting hole, and the drive shaft has a positioning pin at the bottom, which rotates and engages with the mounting hole.

[0011] Preferably, the bottom of the sleeve is provided with an oil discharge hole facing each other between the oil-separating ribs, which is connected to the oil passage groove.

[0012] When assembling the valve plate with the drive shaft rotor using the above scheme, since the valve plate is symmetrical on both sides and up and down and has no directionality, there is no need to consider the directionality of valve plate installation. It can be installed randomly, and there is no problem of finished product failure due to valve plate being installed backwards, which would lead to scrap. Therefore, compared with the existing valve plate type decelerator, the assembly is very convenient and quick. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is an exploded view of the three-dimensional structure of this utility model.

[0015] Figure 3 This is a three-dimensional structural diagram of the bushing of this utility model.

[0016] Figure 4 This is a three-dimensional structural diagram of the internal main structure of this utility model.

[0017] Figure 5 This is a three-dimensional structural diagram of the valve plate of this utility model.

[0018] Figure 6 This is a cross-sectional view of the present invention.

[0019] Figure 7 This is a BB cross-sectional view of the present invention in the closed state.

[0020] Figure 8 This is a DD cross-sectional view of the present invention in the closed state.

[0021] Figure 9 This is a cross-sectional view of the BB in the open and in use state of this utility model.

[0022] Figure 10 This is a DD cross-sectional view of the present invention in the open and in use state.

[0023] Figure 11 This is a cross-sectional view of the BB in the off-use state of this utility model.

[0024] Figure 12 This is a DD cross-sectional view of the present invention in the off-use state.

[0025] Figure 13 This is a partial cross-sectional view of the three-dimensional structure of this utility model. Detailed Implementation

[0026] The technical solution and beneficial effects of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] like Figure 1 and Figure 2 As shown, a quick-installation decelerator includes a bushing 1, a drive shaft 2, and two valve plates 3.

[0028] Among them, such as Figure 3 As shown, the bushing 1 includes a sleeve 11 and a pressure cap 12, which are fixedly connected to form a cavity. The drive shaft 2 passes through this cavity. To enhance the sealing of the cavity, a washer 4 and a sealing ring 5 are provided between the drive shaft 2 and the pressure cap 12. The inner wall of the sleeve 11 is provided with opposing oil-separating ribs 13. The bottom of the sleeve 11 is provided with a mounting hole 10, and the outer side of the mounting hole 10 is provided with an oil passage groove 14. The bottom of the sleeve 11 is provided with oil discharge holes 101 facing each other between the oil-separating ribs 13, which are connected to the oil passage groove 14.

[0029] like Figure 4 As shown, the drive shaft 2 includes a shaft core 21 and two rotors 22 facing each other relative to the shaft core 21. Each rotor 22 of the drive shaft 2 is fitted with a valve plate 3, which slides in cooperation with the inner wall of the bushing 2. The bottom of the shaft core 2 is provided with a positioning post 23, which rotates in cooperation with the mounting hole 10. One side of the two rotors 22 is provided with a first oil passage notch 221, and the other side is provided with a second oil passage notch 222. The first oil passage notch 221 and the second oil passage notch 222 are interconnected, and the structure of the two rotors 22 is centrally symmetrical with respect to the shaft core 21. In a preferred embodiment, a symmetrical radially tapered arc surface 223 is formed between the two rotors 22.

[0030] like Figure 5 As shown, the valve plate 3 has a U-shaped groove 31 that forms a clearance fit with the rotor 22 of the drive shaft 2. Both sides of the U-shaped groove 31 are provided with a first oil unloading groove 301 and a second oil unloading groove 302. The structure and size of the first oil unloading groove 301 and the second oil unloading groove 302 are exactly the same, so that the U-shaped groove 31 is not only symmetrical on the left and right sides, but also symmetrical up and down.

[0031] like Figure 6As shown, the aforementioned quick-installation soft-close mechanism is mainly used for toilet seats. When the toilet seat rises, the drive shaft 2 rotates counterclockwise relative to the bushing 1. When the toilet seat closes, the drive shaft 2 rotates clockwise relative to the bushing 1. Of course, the direction of rotation of the drive shaft 2 is not the focus here. Depending on the reference point and the viewing angle, there may be different descriptions. This description is based on the perspective shown in the view and follows common usage.

[0032] Initially, the toilet seat is in the closed state, such as Figure 7 and Figure 8 As shown. When the toilet seat begins to lift, the drive shaft 2 drives the valve plate 3 to rotate counterclockwise, as... Figure 9 and Figure 10 As shown. At this time, there is no gap between the radially tapered arc surface 223 and the oil-separating rib 13, so oil cannot pass through. One side of the valve plate 3 is attached to one side of the rotor 22 of the drive shaft 2. The first oil discharge groove 301 and the second oil discharge groove 302 on the same side of the valve plate 3 are connected to the second oil passage notch 222 and the first oil passage notch 221 on the drive shaft 2. At the same time, the other side of the valve plate 3 is away from the other side of the rotor 22, so that the first oil passage notch 221 can pass through smoothly. At this time, the damping is small, and the toilet seat can be opened quickly. When the seat is lifted to the second half, the damping oil can also pass through the oil passage gap formed between the radially tapered arc surface 223 of the valve plate 3 and the oil-separating rib 13 quickly, with even smaller damping, and the seat can be lifted easily.

[0033] When the toilet seat closes, the drive shaft 2 rotates clockwise relative to the bushing 1, as... Figure 11 and Figure 12 As shown. In the first half of the lid closing process, because there is a radially tapered arc surface 223 between the two rotors 22, the gap between the radially tapered arc surface 223 and the oil-separating rib 13 decreases from large to small, and the damping increases from small to large. The other side of the valve plate 3 is attached to the other side of the rotor 22 of the drive shaft 2, and the middle section of the valve plate on the same side of the valve plate 3 blocks the first oil passage notch 221 on the rotor 22, thus hindering the passage of damping oil. During this process, the lid falls rapidly and then decelerates. In the second half of the lid closing process, the gap between the tapered arc surface 223 and the oil-separating rib 13 reaches its minimum value, the damping reaches its maximum value, and the lid falls slowly, avoiding noise generation. At the same time, it also avoids damage to the lid due to rapid impact with the toilet bowl.

[0034] It should be noted that the oil drain hole 101 at the bottom of the sleeve 11 can maintain the pressure balance of the high-pressure chamber or the low-pressure chamber of the decelerator, thus ensuring the stability and reliability of the structure.

[0035] The aforementioned slow-closing device not only enables precise segmented control of the opening and closing of the toilet seat, but also improves assembly efficiency when assembling the valve plate 3 with the rotor 22 of the drive shaft 2, as the valve plate 3 is symmetrical on both sides and up and down and has no directionality.

[0036] The above embodiments are only for illustrating the technical concept of this utility model and should not be used to limit the protection scope of this utility model. Any improvements or equivalent substitutions made based on the technical concept proposed by this utility model shall fall within the protection scope of this utility model.

Claims

1. A quick-installation decelerator, comprising a bushing, a drive shaft, and two valve plates, wherein, The inner wall of the bushing is provided with opposing oil-separating ribs. The drive shaft includes a shaft core and two rotors arranged opposite to the shaft core. Each of the two rotors of the drive shaft is fitted with a valve plate and slides in cooperation with the inner wall of the bushing. The lower end of the shaft core rotates in cooperation with the center of the bottom of the inner cavity of the bushing. The characteristic is that one side of the two rotors is provided with a first oil passage notch and the other side is provided with a second oil passage notch, and the first oil passage notch and the second oil passage notch are connected. The structure of the two rotors is centrally symmetrical with respect to the shaft core. The valve plate has a U-shaped groove that forms a clearance fit with the rotor of the drive shaft. Both sides of the U-shaped groove are provided with a first oil discharge groove and a second oil discharge groove, so that the U-shaped groove is not only symmetrical on the left and right sides, but also symmetrical up and down.

2. The quick-installation descent device as described in claim 1, characterized in that, The area between the two rotors forms a symmetrical radially tapered arc surface.

3. The quick-installation descent device as described in claim 1, characterized in that, The bushing includes a sleeve and a gland, and the sleeve and gland are fixedly connected to form a cavity.

4. A quick-installation descent device as described in claim 3, characterized in that, The drive shaft passes through the cavity, and a gasket and a sealing ring are provided between the drive shaft and the pressure cover.

5. A quick-installation descent device as described in claim 3, characterized in that, The sleeve has a mounting hole at the bottom, an oil passage groove on the outside of the mounting hole, and a positioning pin at the bottom of the drive shaft that rotates with the mounting hole.

6. The quick-installation descent device as described in claim 5, characterized in that, The bottom of the sleeve is provided with oil discharge holes facing each other between the oil-separating ribs, which are connected to the oil passage groove.

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