Turnover rainwater grate
By using a flip-up grille mechanism to close the gaps during non-rainy days and open them during rainy days, the problem of clogging caused by gaps in existing rain grates is solved. This automatically prevents dust and debris from entering, reducing maintenance frequency and costs.
Patent Information
- Application Number
- CN202520269526.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing rain grate grates have design gaps that allow dust and debris to enter the drainage ditch, causing blockages and requiring regular cleaning and maintenance.
Design a flip-up rain grate that closes the gaps during non-rainy days and opens them during rainy days through a flip-up mechanism, thereby automatically preventing dust and debris from entering the drainage ditch.
This extends the interval between cleaning and maintenance of drainage ditches, reducing maintenance costs.
Smart Images
Figure CN223647182U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rainwater grate technical field, concretely relates to a turnover rainwater grate. BACKGROUND
[0002] The existing rainwater grate is formed by casting, flat steel and twisted square steel or flat steel and flat steel welding. In order to achieve the drainage function, the gap between the gratings is designed to be more than 5mm, and dust and sundries will fall into the drainage ditch through the gap, causing the blockage of the drainage ditch. Personnel need to be regularly cleaned and maintained to ensure the smooth drainage in rainy days and flood season. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a turnover rainwater grate to solve at least one of the above problems in the prior art.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A turnover rainwater grate, comprising a grate main body, the grate main body is provided with an opening, a sliding space and a turnover mechanism, the turnover mechanism comprises a transmission bar, a turnover grid and a turnover lock body;
[0006] A plurality of turnover grids are located in the opening and the two ends of the turnover grid are rotationally connected with the two ends of the opening, a connecting seat is arranged between the opening and the sliding space, the grid main shaft at one end of the turnover grid is rotationally connected with the connecting seat, and the end of the grid main shaft extending into the sliding space is provided with a grid eccentric shaft;
[0007] The transmission bar is located in the sliding space, the sliding space provides the transmission bar with a movable space in the vertical plane, a plurality of rotating holes are arranged on the transmission bar along the length direction of the transmission bar, and the grid eccentric shaft is rotationally matched with the corresponding rotating hole;
[0008] The turnover lock body comprises an upper end lock body, a lock body eccentric shaft and a lower end lock body arranged in sequence, the upper end lock body and the lower end lock body are coaxial, the upper end lock body and the lower end lock body are rotationally connected with the grate main body, the transmission bar is provided with a shift fork groove, and the lock body eccentric shaft is located in the shift fork groove.
[0009] The technical scheme has the following beneficial effects: the opening is provided on the grate main body and serves as a space for mounting the plurality of turnover grids, the connecting seat is arranged between the opening and the sliding space, the grid main shaft at one end of the turnover grid is rotatably connected with the connecting seat, the connecting seat can realize mounting of the turnover grid, the transmission bar is arranged in the sliding space, the sliding space provides the transmission bar with a moving space in a vertical plane, a plurality of rotating holes are arranged on the transmission bar along the length direction of the transmission bar, the grid eccentric shaft is arranged at one end of the grid main shaft extending into the sliding space, the grid eccentric shaft is rotatably matched with the corresponding rotating hole, the transmission bar moves in the vertical cavity of the sliding space with the grid main shaft as the axis, and movement of the transmission bar can realize synchronous driving of the plurality of turnover grids.
[0010] In conclusion, the turnover rainwater grate rotates by operating the turnover lock body, the turnover lock body drives the transmission bar through the lock body eccentric shaft, the sliding space provides the transmission bar with a moving space in a vertical plane, and the connecting seat limits the rotation axis of the turnover grid, so that the rotation of the lock body in combination with the limitation of the position of the rotation axis of the turnover grid and the limitation of the moving range of the transmission bar in the sliding space enables the transmission bar to drive the turnover grid to complete the turnover action.
[0011] Further, the grate main body is provided with an avoiding groove in communication with the sliding space, the upper end of the middle part of the transmission bar extends radially with a connecting plate, the shift fork groove is arranged in the middle part of the connecting plate, the extension direction of the shift fork groove is parallel to the extension direction of the turnover grid, the turnover lock body is located in the avoiding groove, the lock body eccentric shaft is vertically located in the shift fork groove, and when the turnover lock body is operated, the lock body eccentric shaft drives the transmission bar to move in the sliding space while the connecting plate moves in the avoiding groove.
[0012] The avoiding groove is used for accommodating the turnover lock body and the joint part (connecting plate) of the turnover lock body and the transmission bar, and can provide avoiding space for the joint part (connecting plate) of the transmission bar when the transmission bar moves. In addition, the vertically located radial extending connecting plate and the eccentric shaft of the lock body in the fork groove can make the unlocking operation end of the turnover lock body located at the upper end of the grating main body, facilitating the operation of the staff.
[0013] Further, the avoiding groove and the lower end lock body have a limiting structure, which limits the rotation angle of the turnover lock body to 180 degrees.
[0014] The avoiding groove and the lower end lock body have a limiting structure, and the turnover lock body can only rotate at a fixed angle and cannot rotate 360° circumferentially, so that whether the opening and closing lock is in place can be intuitively felt, and the position of the opening and closing lock point is also accurate. In the process of opening and closing the turnover grating, the turnover lock body rotates 180°, and the turnover grating turns 90°. From the analysis of angular momentum, the turnover lock body only needs to overcome half of the rotation resistance of the turnover grating, achieving the effect of saving labor.
[0015] Further, the lower end of the grating main body has a convex edge extending towards the opening, and the lower end of the grating plate of the turnover grating abuts on the convex edge when the grating plate is in a vertical state.
[0016] When the turnover grating is in a completely open state, the side edges of all grating plates press on the convex edge at the bottom of the grating main body, so that the pressure on the grating plates is directly transmitted to the grating main body, and all rotating mechanisms do not bear the pressure from above, thereby protecting the rotating mechanisms from being damaged.
[0017] Further, in order to facilitate the installation of the turnover mechanism and ensure the limited activity range of the corresponding components, a long cover plate is further included, which is fixedly installed at the upper end of the avoiding groove, the sliding space and the connecting seat. A plurality of open grooves are arranged on the connecting seat, the grating main shaft is located in the open groove, the long cover plate limits the rotation of the grating main shaft in the open groove, the long cover plate limits the movement of the transmission bar in the sliding space, the upper end lock body is in rotational cooperation with the long cover plate, the lower end lock body is provided with a lock body shaft, the avoiding groove is provided with a connecting hole, and the lock body shaft is in rotational cooperation with the connecting hole.
[0018] Further, the lock hole of the upper end lock body is a pentagonal lock hole, the lower end of the lower end lock body is provided with a positioning protrusion, and the two sides of the connecting hole are respectively provided with small holes. When a wrench is butted against the turnover lock body and the turnover lock body is lifted, the positioning protrusion is out of the corresponding small hole, and then the turnover lock body is operated to rotate while maintaining the lifting state of the turnover lock body.
[0019] Since the lock hole of the upper end lock body is a pentagonal lock hole, the pentagonal lock hole itself has the ability to prevent the opening of a linear tool, because the linear tool or the patch tool cannot firmly hold the inner angle of the pentagonal lock hole, and cannot open the lock body through such a tool.
[0020] In the locked state, the positioning protrusion is embedded in the small hole. If you want to rotate the flip lock body, you must lift the flip lock body to make the positioning protrusion disengage from the small hole. If a non-staff member wants to use a linear tool or an iron sheet to open by holding the inner angle of the pentagonal lock hole, he must keep pressing down while rotating to increase the friction between the tool or the iron sheet and the flip lock body to make the flip lock body rotate. The continuous pressing force limits the upward movement of the flip lock body, which makes the flip lock body unable to rotate, thereby preventing the flip grid from being opened or closed.
[0021] Further, the lock hole of the upper end lock body is a pentagonal lock hole with unequal sides. Even if a non-staff member has the ability to process, he cannot process a matching wrench without corresponding data, so he cannot insert it or even if he can insert it, it will cause too much gap and cause slipping, and ultimately cannot be opened.
[0022] Further, the grid plate of the flip grid is arranged at an eccentric position of the grid main shaft. The grid plate is arranged eccentrically, and when the grid plate is flipped to a horizontal state, the grid plate can be flush with the upper end surface of the grid main body.
[0023] Further, in order to facilitate the disassembly of the grid main body and the base, the grid main body is arranged on the base, and an uncapping lock is arranged on the grid main body and rotationally connected with the grid main body. The lower end of the uncapping lock is provided with a lock tongue, and the uncapping lock is operated to drive the lock tongue to rotate to separate the grid main body and the base.
[0024] Further, three openings, three sliding spaces and three avoiding grooves are arranged side by side on the grid main body, five flip grids are rotationally connected with the openings, and each sliding space and avoiding groove corresponds to a transmission bar; that is, the entire flip rainwater grid has fifteen flip grids, five in a group, divided into three groups, and each group is provided with a set of flip mechanism. A cross beam is arranged between adjacent openings, and the cross beam has an avoiding surface on the side close to the corresponding flip grid. The arrangement of the avoiding surface can ensure that the grid plate is flush with the cross beam and has no gap therebetween when the flip grid is flipped to a horizontal state.
[0025] The beneficial effects of this utility model are as follows: In this technical solution, because the main body of the grate has an opening and a sliding space, multiple flip-up grilles are located inside the opening and the two ends of the flip-up grilles are rotatably connected to the two ends of the opening, with the opening serving as the space for installing multiple flip-up grilles; because a connecting seat is provided between the opening and the sliding space, the grille main shaft at one end of the flip-up grille is rotatably connected to the connecting seat, and the connecting seat enables the installation of the flip-up grille; because the transmission bar is located inside the sliding space, the sliding space provides the transmission bar with a vertical range of movement, and the transmission bar has multiple rotating holes along its length, with one end of the grille main shaft extending into the sliding space having a... There is a grid eccentric shaft, which rotates in conjunction with the corresponding rotating hole. The transmission bar moves within the vertical cavity of the sliding space around the grid main shaft. The movement of the transmission bar can achieve synchronous driving of multiple flip grids. Since the flip lock body includes an upper lock body, a lock body eccentric shaft and a lower lock body arranged in sequence, the upper lock body and the lower lock body are coaxial and are rotatably connected to the grate body. The transmission bar is provided with a shift fork groove, and the lock body eccentric shaft is located in the shift fork groove. By operating the flip lock body to rotate, the lock body eccentric shaft located in the shift fork groove drives the transmission bar to move in the vertical plane within the sliding space.
[0026] In summary, this tilting rain grate operates by rotating a tilting lock body. The lock body, via its eccentric shaft, drives a transmission bar. The sliding space provides vertical movement for the transmission bar, while the connecting seat restricts the rotation axis of the tilting grate. Therefore, the rotational movement of the lock body, combined with the limitation on the rotation axis of the tilting grate and the sliding space's restriction on the transmission bar's range of motion, causes the transmission bar to drive the tilting grate to complete its tilting action. In non-rainy weather, rotating the tilting lock body flips the grate to a horizontal position, closing the gaps between adjacent grate sections and preventing dust and debris from entering the drain. In rainy weather, reversing the operation of the tilting lock body flips the grate to a vertical position, opening the gaps between adjacent grate sections and enabling drainage. This tilting rain grate extends the interval between cleaning and maintenance of the drain, reducing maintenance costs. Attached Figure Description
[0027] Figure 1 This is an exploded view of the present invention;
[0028] Figure 2 This is a schematic diagram of the structure of the flip-up grille in the closed state in this utility model;
[0029] Figure 3 This is a structural schematic diagram of the hidden components in this utility model;
[0030] Figure 4 This is a structural schematic diagram of the main body from below in this utility model;
[0031] Figure 5 This is a top view of the flip-up grille in the open state of this utility model.
[0032] Figure 6 for Figure 5 Sectional view at point AA;
[0033] Figure 7 for Figure 6 A magnified view of a section at point A in the middle;
[0034] Figure 8 for Figure 5 Sectional view at point BB;
[0035] Figure 9 for Figure 8 A magnified view of a section at point B in the middle;
[0036] Figure 10 This is a first-view structural schematic diagram of the flipping mechanism in this utility model;
[0037] Figure 11 This is a structural schematic diagram of the flipping mechanism in this utility model from a second perspective;
[0038] Figure 12 This is a top view of the flip lock body in this utility model;
[0039] Figure 13 This is a schematic diagram of the structure in the first flipped state of this utility model;
[0040] Figure 14 This is a schematic diagram of the structure in the second flipped state of this utility model;
[0041] Figure 15 This is a schematic diagram of the third flipped state in this utility model;
[0042] Figure 16 This is a schematic diagram of the fourth flipping state in this utility model;
[0043] Figure 17 This is a structural schematic diagram of the fifth flipped state in this utility model.
[0044] In the diagram: 1. Main body of the grate; 1.1. Raised edge; 2. Opening; 3. Sliding space; 4. Transmission bar; 5. Flip-over grate; 5.1. Grate plate; 6. Flip-over lock body; 6.1. Upper lock body; 6.1. Lock hole; 6.2. Lock body eccentric shaft; 6.3. Lower lock body; 6.31. Lock body shaft; 6.32. Positioning protrusion; 6.4. Straight edge; 7. Connecting seat; 8. Grate main shaft; 9. Grate eccentric shaft; 10. Rotating hole; 11. Fork groove; 12. Clearance groove; 13. Connecting plate; 14. Opening groove; 15. Connecting hole; 16. Small hole; 17. Opening lock; 18. Lock tongue; 19. Base; 20. Crossbeam; 21. Clearance surface; 22. Long cover plate groove; 23. Double-ended screw; 24. Self-locking flange nut; 25. Long cover plate. Detailed Implementation
[0045] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.
[0046] Example 1:
[0047] like Figures 1-12 As shown, this embodiment provides a flip-over rain grate, including a grate body 1, an opening 2, a sliding space 3 and a flipping mechanism on the grate body 1, the flipping mechanism including a transmission bar 4, a flipping grille 5 and a flipping lock body 6;
[0048] Multiple flip grids 5 are located inside the opening 2 and the two ends of the flip grids 5 are rotatably connected to the two ends of the opening 2. A connecting seat 7 is provided between the opening 2 and the sliding space 3. The grid main shaft 8 at one end of the flip grid 5 is rotatably connected to the connecting seat 7. A grid eccentric shaft 9 is provided at the end of the grid main shaft 8 that extends into the sliding space 3.
[0049] The transmission bar 4 is located in the sliding space 3. The sliding space 3 provides the transmission bar 4 with a vertical range of movement space. In order to facilitate the forming of the sliding space 3, the sliding space 3 is an open space with both the upper and lower ends open. The transmission bar 4 is provided with multiple rotating holes 10 along its length direction. The grid eccentric shaft 9 rotates and engages with the corresponding rotating holes 10.
[0050] The flip lock body 6 includes an upper lock body 6.1, a lock body eccentric shaft 6.2, and a lower lock body 6.3 arranged sequentially. The upper lock body 6.1 and the lower lock body 6.3 are coaxial and are rotatably connected to the grate body 1. The transmission bar 4 is provided with a shift fork groove 11, and the lock body eccentric shaft 6.2 is located in the shift fork groove 11.
[0051] In this technical solution, since the main body 1 of the grate has an opening 2 and a sliding space 3, multiple flip-up grilles 5 are located inside the opening 2 and the two ends of the flip-up grilles 5 are rotatably connected to the two ends of the opening 2. The opening 2 serves as the space for installing multiple flip-up grilles 5. Since a connecting seat 7 is provided between the opening 2 and the sliding space 3, the grille main shaft 8 at one end of the flip-up grille 5 is rotatably connected to the connecting seat 7, and the connecting seat 7 can realize the installation of the flip-up grille 5. Since the transmission bar 4 is located inside the sliding space 3, the sliding space 3 provides the transmission bar 4 with a vertical range of movement space. Multiple rotating holes 10 are provided on the transmission bar 4 along its length direction. The end of the grille main shaft 8 that extends into the sliding space 3 is provided with a grille eccentric shaft 9, and the grille eccentric shaft 9 is connected to the corresponding... The rotating hole 10 rotates and engages, and the transmission bar 4 moves within the vertical cavity of the sliding space 3 around the main shaft 8 of the grille. The movement of the transmission bar 4 can achieve synchronous driving of multiple flip grilles 5. Since the flip lock body 6 includes an upper lock body 6.1, a lock body eccentric shaft 6.2 and a lower lock body 6.3 arranged in sequence, the upper lock body 6.1 and the lower lock body 6.3 are coaxial and are rotatably connected to the grate body 1. The transmission bar 4 is provided with a shift fork groove 11, and the lock body eccentric shaft 6.2 is located in the shift fork groove 11. By operating the flip lock body 6 to rotate, the lock body eccentric shaft 6.2 located in the shift fork groove 11 drives the transmission bar 4 to move in the vertical plane within the sliding space 3.
[0052] In summary, this tilting rain grate operates by rotating the tilting lock body 6, which drives the transmission bar 4 via the eccentric shaft 6.2. The sliding space 3 provides vertical movement space for the transmission bar 4, while the connecting seat 7 restricts the rotation axis of the tilting grille 5. Therefore, the rotational movement of the lock body, combined with the limitation of the rotation axis position of the tilting grille 5 and the limitation of the transmission bar 4's movement range by the sliding space 3, enables the transmission bar 4 to drive the tilting grille 5 to complete the tilting action. In non-rainy weather, rotating the tilting lock body 6 tilts the grille 5 to a horizontal position, closing the gaps between adjacent grilles 5 to prevent dust and debris from entering the drain. In rainy weather, reversing the operation of the tilting lock body 6 tilts the grille 5 to a vertical position, opening the gaps between adjacent grilles 5 and enabling drainage. This tilting rain grate can extend the interval between cleaning and maintenance of the drain, reducing maintenance costs.
[0053] Example 2:
[0054] This embodiment is an optimization based on the above embodiment 1.
[0055] The main body 1 of the grate is provided with a clearance groove 12 that communicates with the sliding space 3. A connecting plate 13 extends radially from the upper end of the middle part of the transmission bar 4. A shift fork groove 11 is located in the middle of the connecting plate 13. The extension direction of the shift fork groove 11 is parallel to the extension direction of the flip-up grille 5. The flip-up lock body 6 is located in the clearance groove 12. The lock body eccentric shaft 6.2 is vertically located in the shift fork groove 11. When the flip-up lock body 6 is operated, the lock body eccentric shaft 6.2 drives the transmission bar 4 to move in the sliding space 3, while the connecting plate 13 moves in the clearance groove 12.
[0056] The clearance groove 12 is used to accommodate the flip lock body 6 and the connecting part (connecting plate 13) between the flip lock body 6 and the transmission bar 4. At the same time, it can provide clearance space for the connecting part (connecting plate 13) of the transmission bar 4 when the transmission bar 4 moves. In addition, the radially extending connecting plate 13 and the lock body eccentric shaft 6.2 are vertically located in the shift fork groove 11, which allows the unlocking operation end of the flip lock body 6 to be located at the upper end of the grate body 1, making it convenient for the operator to operate.
[0057] To improve the structural stability of the connecting plate 13, reduce material costs, and facilitate the installation between the flip lock body 6 and the transmission bar 4, the connecting plate 13 is a triangular plate, and the shift fork groove 11 is a U-shaped opening groove.
[0058] Example 3:
[0059] This embodiment is an optimization based on the above embodiment 2.
[0060] There is a limiting structure between the clearance groove 12 and the lower lock body 6.3, which limits the rotation angle of the flip lock body 6 to 180 degrees.
[0061] The clearance groove 12 and the lower lock body 6.3 have a limiting structure, so the flip lock body 6 can only rotate along a fixed angle and will not rotate 360°. This allows for a direct feel for whether the lock is properly opened or closed, and also provides precise information about the lock's stopping point. During the opening and closing of the flip grille 5, the flip lock body 6 rotates 180°, while the flip grille 5 rotates 90°. From an angular momentum analysis perspective, the rotation of the flip lock body 6 only needs to overcome half of the rotational resistance of the flip grille 5, achieving a labor-saving effect.
[0062] Specifically, the lower lock body 6.3 has a straight edge 6.4. When the flip lock body 6 is rotated to the left or right 180-degree position, the straight edge 6.4 abuts against the inner wall of the clearance groove 12, thereby restricting the continued rotation of the flip lock body 6.
[0063] Example 4:
[0064] This embodiment is an optimization based on the above embodiment 2.
[0065] The lower end of the grate body 1 has a raised edge 1.1 extending toward the opening 2. When the grid plate 5.1 of the flip grid 5 is in a vertical state, the lower end of the grid plate 5.1 abuts against the raised edge 1.1.
[0066] When the flip-up grille 5 is fully open, the sides of all the grille plates 5.1 press against the raised edge 1.1 at the bottom of the grate body 1, so that the pressure on the grille plates 5.1 is directly transmitted to the grate body 1, and all rotating mechanisms are not subjected to the pressure from above, thus protecting the rotating mechanisms from damage.
[0067] Example 5:
[0068] This embodiment is an optimization based on the above embodiment 2.
[0069] To facilitate the installation of the flipping mechanism and ensure the limited range of motion of the corresponding components, a long cover plate 25 is also included. The long cover plate 25 is fixedly installed on the upper end of the clearance groove 12, the sliding space 3 and the connecting seat 7. The connecting seat 7 is provided with several opening slots 14. The main shaft of the grille 8 is located in the opening slot 14. The long cover plate 25 restricts the rotation of the main shaft of the grille 8 within the opening slot 14. The long cover plate 25 restricts the movement of the transmission bar 4 within the sliding space 3. The upper lock body 6.1 is rotatably engaged with the long cover plate 25. The lower lock body 6.3 is provided with a lock body shaft 6.31. The clearance groove 12 is provided with a connecting hole 15. The lock body shaft 6.31 is rotatably engaged with the connecting hole 15.
[0070] Example 6:
[0071] This embodiment is an optimization based on the above embodiment 5.
[0072] The upper lock body 6.1 has a pentagonal lock hole 6.11. The lower lock body 6.3 has a positioning protrusion 6.32 at its lower end. The connecting hole 15 has small holes 16 on both sides. When the wrench is connected to the flip lock body 6 and the flip lock body 6 is lifted, the positioning protrusion 6.32 disengages from the corresponding small hole 16. Then, while the flip lock body 6 is in the lifted state, the flip lock body 6 is rotated.
[0073] Since the keyhole 6.11 of the upper lock body 6.1 is pentagonal, the pentagonal keyhole itself has the ability to prevent it from being opened by flathead screwdrivers. Because the line connecting the inner corners of the pentagon does not pass through the center of the keyhole 6.11, flathead screwdrivers or other similar tools cannot firmly hold the inner corners of the pentagon, and therefore cannot open the lock body with such tools.
[0074] In the locked state, the positioning protrusion 6.32 is embedded in the small hole 16. If the flip lock body 6 is to be rotated, the flip lock body 6 must rise to disengage the positioning protrusion 6.32 from the small hole 16. If non-operators want to use a flathead screwdriver or a metal plate to open the pentagonal lock hole by jamming the inner corner, they must maintain downward pressure while rotating to increase the friction between the screwdriver or metal plate and the flip lock body 6 to make the flip lock body 6 rotate. However, the continuous downward pressure restricts the flip lock body 6 from rising, which means that the flip lock body 6 cannot rotate, and thus the flip grille 5 cannot be opened or closed.
[0075] Example 7:
[0076] This embodiment is an optimization based on the above embodiment 6.
[0077] The lock hole 6.11 on the upper lock body 6.1 is a pentagonal lock hole with unequal lengths on all five sides. This makes it impossible for non-staff members to manufacture a matching wrench without the corresponding data, so the wrench cannot be inserted or, even if it can be inserted, the gap will be too large, causing slippage and ultimately preventing the lock from opening.
[0078] Example 8:
[0079] This embodiment is an optimization based on the above embodiment 1.
[0080] The grid plate 5.1 of the flip-over grid 5 is set at an eccentric position on the grid main shaft 8. The eccentric setting of the grid plate 5.1 allows the grid plate 5.1 to be flush with the upper end surface of the grate body 1 when the grid plate 5.1 is flipped to a horizontal state.
[0081] Example 9:
[0082] This embodiment is an optimization based on the above embodiment 1.
[0083] To facilitate the assembly and disassembly of the grate body 1 and the base 19, the grate body 1 is mounted on the base 19. The grate body 1 is provided with an opening lock 17, which is rotatably connected to the grate body 1. The lower end of the opening lock 17 is provided with a locking tongue 18. By operating the opening lock 17, the locking tongue 18 is driven to rotate, thereby separating the grate body 1 and the base 19.
[0084] Example 10:
[0085] This embodiment is an optimization based on the above embodiment 1.
[0086] The main body 1 of the grate has three openings 2, three sliding spaces 3 and three clearance grooves 12 arranged side by side. Five flip-up grilles 5 are rotatably connected to the openings 2. Each sliding space 3 and clearance groove corresponds to a transmission bar 4. That is, the entire flip-up rain grate has a total of fifteen flip-up grilles 5, five in a group, divided into three groups, and each group is equipped with a flip-up mechanism.
[0087] A crossbeam 20 is provided between adjacent openings 2, and the side of the crossbeam 20 near the corresponding flip-up grille 5 has a clearance surface 21. The clearance surface 21 ensures that when the flip-up grille 5 is flipped to a horizontal state, the grille plate 5.1 is flush with the crossbeam 20 and there is no gap between them.
[0088] To facilitate the installation of multiple flipping mechanisms and ensure the overall upper surface is flush after installation, the grate body 1 is provided with a long cover plate groove 22. The long cover plate 25 is embedded in the long cover plate groove 22, and the upper surface of the long cover plate 25 is flush with the upper surface of the grate body 1. The long cover plate 25 is fixedly installed in the long cover plate groove 22 by double-headed screws 23 and self-locking flange nuts 24.
[0089] During operation, the lock body 6 rotates horizontally 180 degrees, thereby causing the eccentric shaft 6.2 of the lock body to drive the transmission bar 4 to move within the sliding space 3 through the shift fork groove 11 on the transmission bar 4. Since the horizontal and lateral freedom of the transmission bar 4 is restricted by the sliding space 3, the transmission bar 4 can only move within the vertical plane of the sliding space 3. Since the rotating hole 10 is hinged to the eccentric shaft 9 of the grille, the movement within the vertical plane of the transmission bar 4 is converted into the flipping action of the flipping grille 5.
[0090] The opening and closing of the gaps between the flip grilles 5 can be achieved by flipping the grilles 5 by flipping them 90 degrees. The displacement range of the grille eccentric shaft 9 is 90 degrees around the grille main shaft 8. The movement path of the transmission bar 4 is limited by the grille eccentric shaft 9.
[0091] Due to the crank motion principle, when the eccentric shaft 9 of the grille is at the extreme positions at both ends of the transmission bar 4's movement path, the flip lock body 6 is at the upper and lower dead centers of the crank motion. At this time, the flip lock body 6 and the transmission bar 4 are in a one-way transmission; that is, rotating the flip lock body 6 can move the transmission bar 4, but displacing the transmission bar 4 cannot rotate the flip lock body 6. Therefore, when the flip lock body 6 rotates to the upper or lower dead center, the flip grille 5 is in a locked state that cannot be flipped. This ensures that external forces such as vibration and crushing cannot cause the flip grille 5 to rotate on its own. When it is necessary to rotate the flip lock body 6, only a small torque needs to be applied to release its limit. In other words, the rotational position of the flip lock body 6 when locked is a dead position, and it can only be opened by rotating the flip lock body 6. Therefore, the flip grille 5 cannot be rotated from the ground.
[0092] Working principle: To facilitate the description of the motion mechanism, such as Figures 13-17As shown in the figure, the flip lock body 6 and the shift fork groove 11 are displayed in a state coplanar with the main shaft 8 of the grille and the eccentric shaft 9 of the grille. In the actual object, the two are in a perpendicular state, but the motion mechanism remains unchanged.
[0093] like Figure 13 As shown: Each flip-up rain grate has three sets of flip-up grilles, and each set has five flip-up grilles 5. By rotating the flip-up lock body 6, the rotational motion of the flip-up lock body 6 is converted into the vertical plane swing of the transmission bar 4 through the shift fork groove 11 and the rotation hole 10. Then, the transmission bar 4 transmits the swing motion to the grille plate 5.1 of the flip-up grille 5 through the grille main shaft 8, which is converted into the grille plate 5.1 rotating around the grille main shaft 8, thereby realizing the flip-up of the flip-up grille 5. The main shaft 8 of the flip-up grille 5 is hinged to the main body 1 of the grate. The upper lock body 6.1 and the lower lock body 6.3 are coaxial to form the main shaft of the lock body. The main shaft of the lock body is hinged to the main body 1 of the grate. The transmission bar 4 is hinged to the eccentric shaft 9 of the grille through the rotating hole 10. The transmission bar 4 is slidably hinged to the eccentric shaft 6.2 of the lock body through the shift fork groove 11. The transmission bar 4 can move horizontally and swing around the main shaft 8 of the grille. The main shaft of the lock body and the eccentric shaft 6.2 of the lock body form a crankshaft of the lock body. The function of the shift fork groove 11 is to transmit the torque of the crankshaft of the lock body and eliminate the position difference caused by the conversion of rotation into translation.
[0094] like Figure 14 As shown: When the flip grille 5 is opened, the flip lock body 6 is rotated, and the eccentric shaft 6.2 of the lock body rotates counterclockwise around the main shaft of the lock body, driving the transmission bar 4 to move to the left. The transmission bar 4 then drives the grille plate 5.1 to rotate clockwise around the main shaft 8 of the grille through the grille eccentric shaft 9. At this time, the flip grille 5 flips. Since the flip lock body 6 drives the transmission bar 4 and does not directly drive the flip grille 5, and the five flip grilles 5 are connected in parallel, the force applied to the flip grille 5 is the same, and the rotation torque is also the same, so it will not cause the flip grille 5 to flip at different angles.
[0095] like Figure 15 As shown: Continue rotating the flip lock body 6 to the 180° position, the flip grille 5 also continues to rotate. At this time, the flip grille 5 has flipped 90° and is in a fully open state. The sides of all the grille plates 5.1 press against the raised edge 1.1 at the bottom of the grate body 1, so that the pressure on the grille plates 5.1 is directly transmitted to the grate body 1. All rotating mechanisms do not bear the pressure from above, thus protecting the rotating mechanisms from damage. At this time, since the main shaft of the flip lock body 6, the eccentric shaft 6.2 of the lock body and the direction of movement of the transmission bar 4 are in a straight line, a dead point of the crank movement is formed, thus achieving a one-way locking effect. That is, the entire mechanism can move by rotating the flip lock body 6, but the flipping torque of the flip grille 5 cannot make the flip lock body 6 rotate through the transmission bar 4, and the entire mechanism is locked.
[0096] like Figure 16As shown: When the grille is closed, rotating the flip lock body 6 clockwise unlocks the entire mechanism and drives the transmission bar 4 to flip the flip grille 5 counterclockwise. During this process, the main shaft of the lock body, the eccentric shaft 6.2 of the lock body and the transmission bar 4 are not in the same direction of movement, so no dead point is formed. Therefore, the flipping of the flip grille 5 and the rotation of the flip lock body 6 are bidirectional. That is, the flip grille 5 will not stay at any position during the flipping process. Therefore, the flipping stop position of the flip grille 5 is only fully open and fully closed. In this way, the flip grille 5 will not be in a half-open state.
[0097] like Figure 17 As shown: Continuing to rotate the flip lock body 6 to the initial position, the flip grille 5 also flips to the fully closed state. At this time, the main shaft of the lock body, the eccentric shaft 6.2 of the lock body, and the transmission bar 4 move in the same straight line. The flip lock body 6 then forms a one-way locked dead point state, and the flip grille 5 will remain closed. In the closed state of the flip grille 5, the upper pressure acts on the surface of the flip grille 5 and is transmitted to the grate body 1 through the grille main shaft 8. The surface of the flip grille 5 and the grille main shaft 8 form a seesaw force mode, so that the flip grille 5 is evenly stressed and will not twist. The wheels of a car traveling on the road will bring a certain flip torque to the flip grille 5 during the movement, but the width of the flip grille 5 is relatively narrow and the distance between the flip grilles 5 is very close, so in reality it is basically impossible to... It is possible for only one side of the flip grille 5 to be pressed, and the adjacent flip grille 5 will generate a reverse torque to offset the flip torque. Therefore, the flip torque and flip angle are very small, and the large fit tolerance of the entire flip mechanism can offset these actions, which will not be transmitted to the flip lock body 6 and cause the flip lock body 6 to be subjected to excessive force. During the opening and closing movement of the flip mechanism, the flip lock body 6 rotates 180° and the flip grille 5 rotates 90°. From the perspective of angular momentum analysis, the rotation of the flip lock body 6 only needs to overcome half of the rotation resistance of the flip grille 5, thus achieving the effect of saving effort. The flip lock body 6 has a limit mechanism and can only rotate along a fixed angle, and will not rotate 360° in a circle. This allows for a direct feeling of whether the opening and closing is in place, and also accurately determines the position of the opening and closing stop point.
[0098] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.
Claims
1. A flip-over rain grate, characterized in that: It includes a grate body, which has an opening, a sliding space and a flipping mechanism, the flipping mechanism including a transmission bar, a flipping grille and a flipping lock body; Multiple flip grids are located inside the opening, and the two ends of the flip grids are rotatably connected to the two ends of the opening. A connecting seat is provided between the opening and the sliding space. The grid main shaft at one end of the flip grid is rotatably connected to the connecting seat. A grid eccentric shaft is provided at the end of the grid main shaft that extends into the sliding space. The drive bar is located in the sliding space, which provides the drive bar with a vertical range of movement space. The drive bar is provided with multiple rotating holes along its length, and the eccentric shaft of the grille rotates in conjunction with the corresponding rotating holes. The flip lock body includes an upper lock body, a lock body eccentric shaft, and a lower lock body arranged in sequence. The upper lock body and the lower lock body are coaxial and are rotatably connected to the main body of the grate. The transmission bar is provided with a shift fork groove, and the lock body eccentric shaft is located in the shift fork groove.
2. A flip-over rain grate according to claim 1, characterized in that: The main body of the grate is provided with a clearance groove communicating with the sliding space. A connecting plate extends radially from the upper end of the middle part of the transmission bar. The shift fork groove is located in the middle of the connecting plate. The extension direction of the shift fork groove is parallel to the extension direction of the flip-up grille. The flip-up lock body is located in the clearance groove. The eccentric shaft of the lock body is vertically located in the shift fork groove. When the flip-up lock body is operated, the eccentric shaft of the lock body drives the transmission bar to move in the sliding space while the connecting plate moves in the clearance groove.
3. A flip-over rain grate according to claim 2, characterized in that: The clearance groove and the lower lock body have a limiting structure, which limits the rotation angle of the flip lock body to 180 degrees.
4. A flip-over rain grate according to claim 2, characterized in that: The lower end of the main body of the grate has a raised edge extending toward the opening, and when the grid plate of the flip-up grid is in a vertical state, the lower end of the grid plate abuts against the raised edge.
5. A flip-over rain grate according to claim 2, characterized in that: It also includes a long cover plate, which is fixedly installed on the upper end of the clearance groove, the sliding space and the connecting seat. The connecting seat is provided with several opening slots. The main shaft of the grille is located in the opening slots. The long cover plate restricts the main shaft of the grille to rotate within the opening slots. The long cover plate restricts the transmission bar to move within the sliding space. The upper lock body is rotatably engaged with the long cover plate. The lower lock body is provided with a lock body shaft. The clearance groove is provided with a connecting hole. The lock body shaft is rotatably engaged with the connecting hole.
6. A flip-over rain grate according to claim 5, characterized in that: The upper lock body has a pentagonal lock hole, and the lower lock body has a positioning protrusion at the lower end. Small holes are provided on both sides of the connecting hole. When the wrench is connected to the flip lock body and the flip lock body is lifted, the positioning protrusion comes out from the corresponding small hole. Then, the flip lock body is rotated while maintaining the lifted state of the flip lock body.
7. A flip-over rain grate according to claim 6, characterized in that: The lock hole of the upper lock body is a pentagonal lock hole with five sides of unequal length.
8. A flip-over rain grate according to claim 1, characterized in that: The flip-up grille has its grille plates positioned off-center from the main axis of the grille.
9. A flip-over rain grate according to claim 1, characterized in that: The device includes a base, and the main body of the grate is mounted on the base. The main body of the grate is equipped with a cover lock, which is rotatably connected to the main body of the grate. The lower end of the cover lock is equipped with a locking tongue. By operating the cover lock, the locking tongue is driven to rotate, thereby separating the main body of the grate from the base.
10. A flip-over rain grate according to claim 1, characterized in that: The main body of the grate has three openings, three sliding spaces, and three clearance grooves arranged side by side. Five flip-up grilles are rotatably connected to the openings. Each sliding space and clearance groove corresponds to a drive bar. A crossbeam is provided between adjacent openings. The side of the crossbeam closest to the corresponding flip-up grille has a clearance surface.