A toilet seat lifting structure

Abstract

This utility model provides a toilet seat lifting structure, belonging to the field of toilet technology. It solves the problem of how to improve the cleaning effect of the toilet. In this toilet seat lifting structure, the toilet includes a base and a seat assembly located on the base. A bracket is fixed on the base. The seat lifting structure includes a drive device fixed on the bracket and whose drive end can extend and retract vertically. The bottom of the seat assembly is fixedly connected to the drive end of the drive device. When the drive end of the drive device retracts downward to reset, the bottom of the seat assembly abuts against the bracket and the top circumferential edge of the base. This toilet seat lifting structure can improve the cleaning effect of the toilet.

Description

Technical Field

[0001] This utility model belongs to the field of toilet technology and relates to a toilet seat lifting structure. Background Technology

[0002] As an indispensable sanitary appliance in modern life, the toilet mainly consists of a ceramic base, a toilet seat and lid hinged to the top. It stores water through a water tank inside the ceramic base, and when in use, the user controls the valve to flush water into the basin cavity of the ceramic base to flush feces into the sewer.

[0003] With continuous technological advancements, toilet models are now diverse. Compared to traditional toilets, smart toilets are favored by consumers due to their superior performance in various aspects. Regarding existing tankless smart toilets, as the name suggests, this type of toilet does not have an internal water tank. Its valve assembly is directly connected to the water pipe, and its opening and closing are controlled by a smart module. It's worth noting that, unlike traditional toilets, the aforementioned smart toilet has a mounting base located at the rear of the basin, fastened to a ceramic base with screws. The base houses the control module and various functional devices. The toilet seat and lid are hinged to this mounting base. The structure formed by this mounting base, toilet seat, and lid can also be called a toilet seat assembly.

[0004] However, this type of toilet has certain drawbacks. Specifically, since the mounting base and the ceramic base are fixedly connected, regular wiping can only clean the surface of the toilet seat and the ceramic base. Dirt and grime will inevitably accumulate in the gaps between the mounting base and the ceramic base. Furthermore, since users are not familiar with the structure of the toilet, they cannot remove or install the toilet seat from the ceramic base, so the cleaning effect does not meet the user's needs. Summary of the Invention

[0005] The purpose of this utility model is to address the aforementioned problems in existing technologies by proposing a toilet seat lifting structure. The technical problem to be solved by this utility model is: how to improve the cleaning effect of the toilet.

[0006] The objective of this utility model can be achieved through the following technical solution: a toilet seat lifting structure, the toilet including a base and a seat assembly located on the base, characterized in that a bracket is fixed on the base, the seat lifting structure includes a driving device fixed on the bracket and whose driving end can extend and retract vertically, the bottom of the seat assembly is fixedly connected to the driving end of the driving device, and when the driving end of the driving device retracts downward to reset, the bottom of the seat assembly abuts against the bracket and the top circumferential edge of the base.

[0007] Compared to existing technologies, this application differs in that it improves the connection between the cover assembly and the base. It should be noted beforehand that the cover assembly in this application is existing technology. Simply put, it includes a mounting base with an internal cavity, a circuit board and several functional components connected to the circuit board inside the mounting base, and a seat ring and seat cover hinged to the front end of the mounting base. This application uses a bracket fixed to the base as the main carrier for mounting the cover assembly, and the base, in conjunction with the bracket, assists in lifting the cover assembly. A drive device is mounted on the bracket, and the drive end of the drive device is connected to the cover assembly (specifically, the mounting base of the cover assembly). Under normal use, the bracket, together with the base, supports the toilet seat assembly, ensuring the stability of the connection between the seat assembly and the base, thus enabling normal toilet use. Before cleaning, the user can activate the drive mechanism, which, through its vertical extension, lifts the entire seat assembly from the base, separating the seat assembly from the top surface of the base. This exposes the top surface of the base, allowing the user to thoroughly wipe it, especially the joint between the mounting bracket and the top surface of the base, improving cleaning efficiency while minimizing effort.

[0008] In the aforementioned toilet seat lifting structure, the bracket is elongated and its two ends are fixedly connected to the top edge of the base. The bracket has a recess that is recessed into the cavity inside the base. The driving device includes a pneumatic spring located within the recess and a fixing plate fixed to the driving end of the pneumatic spring. The fixing plate is fixedly connected to the bottom of the seat assembly. Although the bracket is elongated, it is made of high-strength hard alloy, providing sufficient strength to lift the seat assembly. The pneumatic spring, constituting the driving device, is specifically fixed to the bracket and located within the recess, ensuring sufficient space for its installation. The fixing plate connects to the bottom surface of the seat assembly, thereby increasing the force-bearing area of ​​the seat assembly and ensuring its stability during lifting. This also prevents the bottom of the seat assembly from being punctured due to excessive local lifting.

[0009] In the above-mentioned toilet seat lifting structure, the bracket also has a second recess and a third recess that are recessed into the cavity of the base. The second recess is located above the first recess, and the third recess and the second recess are spaced apart along the length of the bracket. The bottom of the seat assembly has a downward protruding part one and a protruding part two. The first protruding part is embedded in the second recess. The fixing plate is slidably connected in the second recess and fixedly connected to the first protruding part. The second protruding part is embedded in the third recess and abuts against the bracket. This ensures that the first recess is positioned lower, making room for the first and second protrusions of the cover assembly. Furthermore, the second recess provides sufficient space for the fixing plate and the first protrusion to fit together, preventing interference between the cover assembly and other components during lifting. Additionally, when the cover assembly is in the lowered position, the bracket supports the second protrusion at the location corresponding to the third recess, thereby ensuring the assembly stability of the cover assembly in conjunction with the base.

[0010] In the aforementioned toilet seat lifting structure, the two side walls of the protrusion one and the two inner walls of the recess two are positioned close to each other. This arrangement allows the two outer walls of the protrusion one to be guided by the inner walls of the recess two when the seat assembly is pushed up or down by hand. If the seat assembly tilts due to instability, the side walls of the recess two provide auxiliary support to the protrusion, preventing the seat assembly from tilting or even tipping over.

[0011] In the aforementioned toilet seat lifting structure, the bracket has two vertically spaced positioning holes, a first positioning hole and a second positioning hole, located on the inner wall of the second recess. The lifting structure also includes an unlocking device, which comprises a positioning seat located above the pneumatic spring drive end and fixedly connected to the bottom of the fixed plate. A positioning pin, capable of being inserted into either the first or second positioning hole, slides within the positioning seat along the width of the base. By using the positioning pin, when the positioning seat is directly opposite the first or second positioning hole, the positioning pin can slide into the first or second positioning hole, thus ensuring that the seat assembly remains in its current position during normal use and after the seat is lifted, preventing instability in the vertical direction.

[0012] In the aforementioned toilet seat lifting structure, the top of the positioning seat has a groove along the width of the base, and the groove extends through one side of the positioning seat to form an outlet. The positioning pin is columnar, and its end facing away from positioning hole one and positioning hole two has an installation groove. A spring elastically acts between the bottom wall of the installation groove and the inner wall of the groove facing the outlet. The positioning pin is slidably connected within the groove and, under the elastic force of the spring, is inserted into positioning hole one or positioning hole two through the outlet. Specifically, the positioning pin is slidably connected in the groove of the positioning seat, extending or retracting from the outlet at one end, thereby cooperating with positioning hole one or positioning hole two to lock or unlock the seat assembly after lifting. Through the elastic force of the spring, the positioning pin always tends to extend out of the outlet, ensuring the vertical stability of the seat assembly when the positioning pin and positioning hole one or positioning hole two are engaged to lock the seat mechanism. Furthermore, the inclusion groove ensures that the elastic force of the spring remains constant in one direction.

[0013] In the aforementioned toilet seat lifting structure, the slide groove has a baffle flush with the protrusion and arranged along the length of the slide groove. One side of the positioning pin is attached to the inner wall of one side of the slide groove, and the other side is attached to the side wall of the baffle. The inner end of the positioning pin attached to the side wall of the baffle has a limiting part, and the limiting part abuts against the inner end of the baffle. By cooperating with one side wall of the slide groove, the sliding direction of the positioning pin is guided and limited, preventing it from deviating during sliding. Secondly, the baffle can also cooperate with the limiting part on the positioning pin to block the positioning pin and prevent it from falling out of the slide groove.

[0014] In the aforementioned toilet seat lifting structure, the unlocking device further includes a pull cable and a control box fixed within the seat assembly. A positioning shaft is fixed inside the control box, and a long, strip-shaped drive plate rotatably connected to the positioning shaft is also located within the control box. A push rod slidably connected to the control box abuts against one end of the drive plate. One end of the pull cable extends into the control box and is fixedly connected to the other end of the drive plate, while the other end extends into the slide groove and is fixedly connected to the limiting part. The unlocking device primarily works by the user manually pressing the push rod, causing it to push one end of the drive plate, forcing the middle of the drive plate to rotate around the positioning shaft. The other end of the drive plate pulls the pull cable, which in turn pulls the limiting part of the positioning pin. Guided by the baffle and the inner wall of the slide groove, the positioning pin slides into the slide groove, thereby disengaging from positioning hole one or positioning hole two. This unlocking device unlocks the seat assembly, allowing the drive device to push the seat assembly up relative to the base or the user to press the seat assembly down.

[0015] In the aforementioned toilet seat lifting structure, a limiting plate is provided on the inner wall of one side of the control box, and a torsion spring is sleeved on the positioning shaft. One end of the torsion spring is fixedly connected to the drive plate, and the other end is pressed against the limiting plate. The torsion spring ensures that after the unlocking action is completed, the drive plate rotates and resets under the action of the torsion spring, forcing the push rod to slide and reset as well. At this point, the cable no longer pulls on the positioning pin. When the positioning pin aligns with positioning hole one or positioning hole two, the elastic force of the spring pushes it out, thus locking the toilet seat assembly.

[0016] In the aforementioned toilet seat lifting structure, the control box has a long, narrow connecting portion on its outer wall with an internal sliding channel. The control box is fixed to the seat assembly via this connecting portion. The push rod is slidably connected within the sliding channel. An accommodating opening is provided on the outer wall of the seat assembly, and the outer end of the push rod has a pressing plate embedded in the accommodating opening. The control box is specifically installed in the internal cavity of the seat assembly, and is screwed to the inner wall of the seat assembly via the connecting portion on its outer wall. This ensures stable installation of the control box while accommodating the push rod through the sliding channel within the connecting portion. Furthermore, an accommodating opening is provided on the outer wall of the seat assembly to accommodate the pressing plate formed on the outer end of the push rod, ensuring the uniform appearance of the seat assembly.

[0017] Compared with existing technologies, the toilet seat lifting structure of this toilet has the following advantages:

[0018] 1. Install a bracket on the base and a drive unit on the bracket. Connect and fix the seat assembly and the drive end of the drive unit. Use the bracket as the main body to lift the seat assembly, and use the base to provide auxiliary support for the seat assembly during normal use. Through this connection method, when cleaning is required, the drive unit can lift the entire seat assembly off the base, so that the top surface of the base is completely exposed, ensuring that the user can thoroughly wipe the joint between the seat assembly and the top of the base, ensuring the cleanliness of the toilet.

[0019] 2. The drive unit consists of a pneumatic spring and a fixed plate at the drive end. It works in conjunction with a mechanical unlocking device to unlock or lock the drive unit, ensuring the stability of the cover assembly in the lowering or raising state. Since the electronic control device is integrated inside the cover assembly, it can greatly avoid corrosion or leakage of the circuit during the cleaning process, ensuring that users can wipe the base with a damp cloth or rinse the base directly with water when cleaning. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a toilet in normal use.

[0021] Figure 2This is a structural diagram of the cover plate assembly in the raised state relative to the base.

[0022] Figure 3 This is a side view of the toilet seat lifting structure.

[0023] Figure 4 yes Figure 3 A sectional view taken along the AA direction.

[0024] Figure 5 yes Figure 4 A magnified view of a portion of point A in the middle.

[0025] Figure 6 It is a structural schematic diagram and a partial enlarged view of the bracket and drive device mounted on the base.

[0026] Figure 7 It is a bottom view of the connection between the cover plate assembly and the bracket, and a partial enlarged view.

[0027] Figure 8 This is a schematic diagram of the overall structure of the unlocking device.

[0028] Figure 9 This is a structural diagram of the positioning seat, positioning pin, and spring.

[0029] Figure 10 This is a cross-sectional view of the control box.

[0030] In the picture,

[0031] 1. Base;

[0032] 2. Cover assembly; 21. Protrusion 1; 22. Protrusion 2; 23. Receiving opening;

[0033] 3. Bracket; 31. Notch 1; 32. Notch 2; 33. Notch 3; 34. Positioning Hole 1; 35. Positioning Hole 2;

[0034] 4. Drive unit; pneumatic spring; 42. Fixing plate;

[0035] 5. Unlocking device; 51. Positioning seat; 511. Positioning pin; 5111. Mounting groove; 51111. Spring; 5112. Limiting part; 512. Slide groove; 5121. Protrusion; 5122. Baffle; 52. Cable; 53. Control box; 531. Positioning shaft; 5311. Torsion spring; 532. Drive plate; 533. Push rod; 5331. Pressing plate; 534. Limiting plate; 535. Connecting part; 5351. Sliding channel. Detailed Implementation

[0036] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0037] like Figure 1-3 As shown, in the toilet seat lifting structure, the toilet includes a base 1 and a seat assembly 2 located on the base 1. The seat assembly 2 is prior art. Specifically, it includes a mounting base with an internal cavity, a seat ring and a seat cover hinged to the front end of the mounting base, and a control circuit and several functional components connected to the control circuit are installed inside the mounting base. Figure 4 , Figure 6 and Figure 7 A long, narrow bracket 3 is provided on the base 1 along its width direction. The two ends of the bracket 3 and the top of the base 1 are locked with expansion screws. The bracket 3 has three recesses: a first recess 31, a second recess 32, and a third recess 33, all recessed into the inner cavity of the base 1. The first recess 31 is located below the second recess 32. The second and third recesses 32 and 33 are spaced apart along the width direction of the base 1. The lifting structure includes a driving device 4 and an unlocking device 5. The driving device 4 includes a pneumatic spring 41 with a vertically extending and retractable drive end and a fixing plate 42 fixed to the drive end of the pneumatic spring 41. The main body of the pneumatic spring 41 is fixed... The fixed plate 42 is connected to the bracket 3 and located in the first recess 31. The fixed plate 42 slides vertically in the second recess 32 as the pneumatic spring 41 extends and retracts. The bottom of the cover plate assembly 2 (specifically the bottom of the mounting base) has a downward protruding protrusion 21 and a protrusion 22. The protrusion 21 is embedded in the second recess 32 and its bottom surface is fixed to the fixed plate 42 by screws. The protrusion 22 is embedded in the third recess 33 and abuts against the bracket 3. The outer edge of the cover plate assembly 2 abuts against the outer edge of the top of the base 1. It is worth mentioning that the two sides of the protrusion 21 and the two sides of the inner wall of the second recess 32 are closely set.

[0038] Combination Figure 8-10The unlocking mechanism includes a control box 53 fixed inside the cover assembly 2 (specifically inside the mounting base), a positioning seat 51 located at the drive end of the pneumatic spring 41 and fixed to the bottom surface of the fixing plate 42 by screws, and a pull cable 52. A sliding groove 512 is formed on the positioning seat 51 along the width direction of the base 1, and one end of the sliding groove 512 penetrates through the side wall of the base 1 to form an extension 5121. A columnar positioning pin 511 is slidably connected to the base 1 in the sliding groove 512 along its length direction. The front end of the positioning pin 511 can extend out of the extension 5121, and a mounting groove 5111 is formed in the middle of the rear end along the circumferential direction. A spring 51111 is provided in the mounting groove 5111, and one end of the spring 51111 is connected to the bottom wall of the mounting groove 5111. The other end is pressed against the inner wall of the slide groove 512 opposite to the protrusion 5121. On the bracket 3, a positioning hole 34 and a positioning hole 35 are provided on one side of the recess 32 along its depth direction. When the positioning pin 511 is retracted into the slide groove 512, the cover plate assembly 2 can rise or fall relative to the base 1 in the recess 32 by the pushing action of the pneumatic spring 41 or the pressing action of the user on the cover plate assembly 2. After the rising or falling action is completed, the position of the cover plate assembly 2 is locked by the cooperation of the positioning pin 511 and the positioning hole 34 or the positioning hole 35. As an alternative, conventional springs, hydraulic springs, etc. can also be used to replace the pneumatic spring 41.

[0039] As a further solution, a baffle 5122 is integrally formed on the positioning seat 51 within the slide groove 512, arranged along its length and flush with the protrusion 5121. One side of the positioning pin 511 is in contact with the baffle 5122, and the other side is in contact with one inner wall of the slide groove 512. Furthermore, a limiting part 5112 is protruding on the outer wall of the rear end of the slide groove 512. After the front end of the positioning pin 511 extends out of the slide groove 512, the limiting part 5112 is limited by the baffle 5122, thereby preventing the positioning pin 511 from completely coming out of the slide groove 512.

[0040] The control box 53 includes a two-part housing, a first housing and a second housing, which are snap-fitted together and fixed by screws. A long, narrow connecting portion 535 with an internal sliding channel 5351 is integrally formed on the outer wall of the control box 53 (specifically on the outer wall of the first housing). The control box 53 is fixed to the cavity of the cover assembly 2 via ear plates protruding from both sides of the connecting portion 535 and screws. A push rod 533 with an outer end forming a pressing plate 5331 is slidably connected in the sliding channel 5351. A receiving opening 23 communicating with the internal cavity is formed on the side wall of the cover assembly 2. The push rod 533 is slidably connected in the sliding channel 5351. The pressing plate 5331 is inserted into the receiving port 23. A positioning shaft 531 is fixed on the inner wall of the control box 53. The control box 53 is provided with a drive plate 532 rotatably connected to the positioning shaft 531 in the middle box. The cable 52 is existing technology and can be simply regarded as a bicycle brake cable. One end of the cable passes through the cover plate assembly 2 and the mounting box and is fixed to one end of the drive plate 532. The other end passes through the clearance groove at the upper end of the side wall of the positioning seat 51 and engages with the slot on the limiting part 5112. At the same time, the push rod 533, which is slidably connected in the sliding channel 5351, extends out of the sliding channel 5351 and abuts against the other end of the push plate.

[0041] A limiting plate 534 is located on one side of the positioning shaft 531 on the inner wall of the housing of the control box 53. A torsion spring 5311 is sleeved on the positioning shaft 531. One end of the torsion spring 5311 is inserted and fixed to a hole on the outer wall of the middle part of the drive plate 532, and the other end is pressed against the limiting plate 534. That is, when the user applies force to the pressing plate 5331, the push rod 533 pushes the drive plate 532, so that the cable 52 pulls the positioning pin 511 out of the positioning hole 1 34 or the positioning hole 2 35, and the user's hand is removed from the pressing plate 5331. At this time, the elastic force of the torsion spring 5311 can pull the cable 52 to perform a reset action.

[0042] The toilet seat lifting structure has two states: the seat assembly 2 is lifted upward relative to the base 1, and the seat assembly 2 is lowered and abuts against the base 1 and bracket 3. In layman's terms, these are the cleaning state and the normal use state.

[0043] In normal use, the user does not need to perform any action. At this time, the front end of the positioning pin 511 is inserted into the positioning hole 34, which is extended from the protrusion 5121 and embedded in it, thereby locking the cover assembly 2 in the vertical direction to prevent accidental operation that would cause the drive device 4 to lift the cover assembly 2 upward. The toilet can be used normally in this state.

[0044] When cleaning is required, the user manually squeezes the pressing plate 5331, causing the inner end of the push rod 533 to continuously press one end of the drive plate 532. At this time, the drive plate 532 rotates around the positioning shaft 531, causing its other end to pull the cable 52. The cable 52 correspondingly pulls the positioning pin 511 back into the slide groove 512, separating it from the positioning hole 34. At this time, the unlocking device 5 releases the lock on the cover assembly 2. In this state, the pneumatic spring 41, due to its own structure, drives the fixing plate 42 to push the entire cover assembly 2 upward relative to the base 1 until the top surface of the base 1 is completely exposed. In this state, the positioning pin 511 and the positioning hole 35 are in opposite positions. It is worth mentioning that after completing the unlocking action, the user must immediately release the pressing plate 5331. At this time, the torsion spring 5311 drives the drive plate 532 to rotate around the positioning shaft 531 and reset. At this time, the cable 52 does not... Furthermore, the positioning pin 511 is pulled inward, and the front end of the positioning pin 511 is pressed against the inner wall of the second recess 32. Under the elastic action of the spring 51111, it maintains the tendency to extend towards the protrusion 5121. When it is aligned with the second positioning hole 35, it automatically embeds itself into it, thereby achieving the locking action of the lid assembly 2 in the raised state, ensuring the lifting of the lid assembly 2 in the vertical direction. At the same time, the two side walls of the second recess 32 limit the two outer walls of the protrusion 21, preventing the lid assembly 2 from tilting or even falling over in the horizontal direction. At this time, the user can wipe the top surface of the base 1 thoroughly with a damp cloth to ensure the cleaning effect of the toilet. As another cleaning method, since the drive device 4 and the unlocking device 5 are mechanical structures, and the electronic control parts are integrated inside the lid assembly 2, the user can directly rinse the base 1 with water.

[0045] After cleaning base 1, as follows Figure 5 and Figure 7 As shown, since the front end face of the positioning pin 511 has a sloping structure, specifically inclined from top to bottom towards the rear end of the body, when the user applies downward pressure on the cover assembly 2, the positioning pin 511 gradually retracts into the slide groove 512 through the squeezing cooperation between its front end face and the lower side wall of the positioning hole 2 35 to overcome the elastic force of the spring 51111. This unlocks the cover assembly 2 and moves it downward until the positioning pin 511 is re-embedded into the positioning hole 1 34. At this time, the protrusion 22 re-embeds into the recess 33 and abuts against the bracket 3, and the cover assembly 2 and the top of the base 1 abut against each other again, achieving a quick reset of the cover assembly 2 relative to the base 1.

[0046] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0047] Although this document frequently uses terms such as base 1, cover assembly 2, protrusion 1 21, protrusion 22, receiving opening 23, bracket 3, recess 1 31, recess 2 32, recess 33, driving device 4, pneumatic spring 41, fixing plate 42, unlocking device 5, positioning seat 51, positioning pin 511, mounting groove 5111, spring 51111, limiting part 5112, sliding groove 512, protrusion 5121, baffle 5122, cable 52, control box 53, positioning shaft 531, torsion spring 5311, driving plate 532, push rod 533, pressing plate 5331, limiting plate 534, connecting part 535, and sliding channel 5351, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A cover lifting structure of a toilet, the toilet comprising a base (1) and a cover assembly (2) located on the base (1), characterized in that, The base (1) is fixed with a bracket (3). The cover plate lifting structure includes a drive device (4) fixed on the bracket (3) and whose drive end can extend and retract vertically. The bottom of the cover plate assembly (2) is fixedly connected to the drive end of the drive device (4). When the drive end of the drive device (4) retracts downward to reset, the bottom of the cover plate assembly (2) abuts against the bracket (3) and the top circumferential edge of the base (1).

2. A toilet closure lifting structure according to claim 1, characterised in that, The bracket (3) is long and narrow and its two ends are fixed to the top edge of the base (1). The bracket (3) has a notch (31) recessed into the cavity of the base (1). The driving device (4) includes a pneumatic spring (41) located in the notch (31) and a fixing plate (42) fixed to the driving end of the pneumatic spring (41). The fixing plate (42) is fixed to the bottom of the cover plate assembly (2).

3. The toilet seat lifting structure according to claim 2, characterized in that, The bracket (3) also has a second recess (32) and a third recess (33) recessed into the cavity of the base (1). The second recess (32) is located above the first recess (31), and the third recess (33) and the second recess (32) are spaced apart along the length of the bracket (3). The bottom of the cover plate assembly (2) has a downward protruding part one (21) and a protruding part two (22). The first protruding part one (21) is embedded in the second recess (32). The fixing plate (42) is slidably connected in the second recess (32) and fixedly connected to the first protruding part one (21). The second protruding part two (22) is embedded in the third recess (33) and abuts against the bracket (3).

4. A toilet closure lifting structure according to claim 3, characterised in that, The two side walls of the protrusion one (21) and the two inner walls of the recess two (32) are closely arranged.

5. A toilet closure lifting structure according to claim 3 or 4, characterised in that, The bracket (3) has a vertically spaced positioning hole 1 (34) and positioning hole 2 (35) on the inner wall of the recess 2 (32). The cover plate lifting structure also includes an unlocking device (5). The unlocking device (5) includes a positioning seat (51) located above the driving end of the pneumatic spring (41) and fixed to the bottom of the fixed plate (42). The positioning seat (51) has a positioning pin (511) that can be inserted into the positioning hole 1 (34) or the positioning hole 2 (35) along the width direction of the base (1).

6. A toilet closure lifting structure according to claim 5, characterised in that, The top of the positioning seat (51) is provided with a sliding groove (512) along the width direction of the base (1), and the sliding groove (512) passes through one side of the positioning seat (51) to form an extension (5121). The positioning pin (511) is columnar and has an installation groove (5111) at one end facing away from the positioning hole one (34) and the positioning hole two (35). The installation groove (5111) is provided with a spring (51111) that acts elastically between the bottom wall of the installation groove (5111) and the inner wall of the sliding groove (512) facing the extension (5121). The positioning pin (511) is slidably connected in the sliding groove (512) and is embedded in the positioning hole one (34) or the positioning hole two (35) through the extension (5121) under the elastic force of the spring (51111).

7. A toilet closure lifting structure according to claim 6, characterised in that, The groove (512) has a baffle (5122) that is flush with the protrusion (5121) and arranged along the length of the groove (512). One side of the positioning pin (511) is attached to the inner wall of one side of the groove (512), and the other side is attached to the side wall of the baffle (5122). The inner end of the positioning pin (511) that is attached to the side wall of the baffle (5122) has a limiting part (5112), and the limiting part (5112) and the inner end of the baffle (5122) abut against each other.

8. A toilet closure lifting structure according to claim 7, characterised in that, The unlocking device (5) further includes a cable (52) and a control box (53) fixed in the cover plate assembly (2). The control box (53) is fixedly provided with a positioning shaft (531), and the control box (53) is provided with a drive plate (532) that is long and rotatably connected to the positioning shaft (531) in the middle. A push rod (533) that abuts against one end of the drive plate (532) is slidably connected to the control box (53). One end of the cable (52) extends into the control box (53) and is fixedly connected to the other end of the drive plate (532), and the other end extends into the slide groove (512) and is fixedly connected to the limiting part (5112).

9. A toilet closure lifting structure according to claim 8, characterised in that, The control box (53) has a limiting plate (534) on one side of its inner wall, and a torsion spring (5311) is sleeved on the positioning shaft (531). One end of the torsion spring (5311) is fixedly connected to the drive plate (532), and the other end is pressed against the limiting plate (534).

10. A toilet closure lifting structure according to claim 9, characterised in that, The outer wall of the control box (53) has a long strip-shaped connecting part (5351) with a sliding channel (5351) inside. The control box (53) is fixed in the cover plate assembly (2) through the connecting part (535). The push rod (533) is slidably connected in the sliding channel (5351). The outer wall of the cover plate assembly (2) has a receiving opening (23). The outer end of the push rod (533) has a pressing plate (5331) embedded in the receiving opening (23).

Images