Closestool cover plate quick-release assembly

By using a mirror-symmetrical locking mechanism and guide structure design, the problem of synchronous unlocking when the button is subjected to uneven force in the quick-release structure of the toilet seat is solved, which improves the stability and convenience of use, and realizes synchronous unlocking and simplified operation.

CN224070308UActive Publication Date: 2026-04-03OCEANWELL XIAMEN IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

The existing quick-release mechanism for toilet seats with connecting tubes is prone to warping when the buttons are subjected to uneven force, causing the quick-release mechanisms on both sides to be unable to unlock synchronously, resulting in unstable use.

Method used

A mirror-symmetrical locking mechanism was designed, including a push rod, a connecting shaft, a locking spring, and an elastic hook. The clearance range and guide structure ensure that the button can still synchronously drive the push rods on both sides to unlock when the force is applied off-center. The elastic hook reduces friction and shortens the unlocking stroke.

Benefits of technology

It ensures that the locking mechanisms on both sides can unlock synchronously even when the button is subjected to uneven force, which improves the stability and ease of use of the quick-release component, reduces the unlocking force, and shortens the travel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a closestool cover plate quick release component, which comprises a connecting pipe, a key and two lock catch mechanisms used for locking a support pillar, each lock catch mechanism comprises a push rod, a connecting shaft and a lock catch spring tensioned between the push rod and the connecting shaft, the push rod is provided with a locking plate used for locking the support pillar, the push rod is provided with a first elastic hook, and the connecting shaft is provided with a second elastic hook. The connecting shaft is provided with a flange corresponding to the first elastic hook, the minimum axial movement distance of the push rod which axially moves outwards from the initial position to the position where the locking plate can release the support pillar is L, and the connecting shaft is provided with a receding interval corresponding to the first elastic hook. The receding interval allows the key to drive the push rod to continue to axially move outwards by the distance of at least L with the position, where the lock plate releases the support pillar, of the support as the starting point. The receding interval allows the key to drive the push rod to continue to move forwards after unlocking, so that unlocking can be achieved on the two sides, and the use stability of the quick release assembly is improved.
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Description

Technical Field

[0001] This utility model relates to a quick-release assembly for a toilet seat, and more particularly to a quick-release assembly for a toilet seat using a connecting pipe. Background Technology

[0002] There are two connection points, left and right, between the cover plate and the ceramic body. Both connection points require quick-release mechanisms. Based on the installation position of these quick-release mechanisms, they can be divided into two categories: with and without connecting tubes. In the case of quick-release mechanisms without connecting tubes, the quick-release mechanisms at the two connection points are installed on the cover plate and operate independently without interference. During unlocking, the left and right hands operate the quick-release mechanisms on each side respectively. However, the rear of the cover plate requires a storage structure for the quick-release mechanisms, making the cover plate structure more complex. In the case of quick-release mechanisms with connecting tubes, the quick-release mechanisms at the two connection points are installed inside the connecting tube, which is then assembled onto the cover plate. This simplifies the cover plate structure. During unlocking, the central button can simultaneously drive the quick-release mechanisms on both sides to unlock in a coordinated manner, making unlocking more convenient. However, if the pressure position of the central button is off-center, such as when the operator presses the side of the button, the button will tilt, resulting in a significant difference in force on the two quick-release mechanisms. This can cause the two quick-release mechanisms to not operate synchronously, easily leading to one side unlocking while the other remains locked. Utility Model Content

[0003] This utility model provides a quick-release component for a toilet seat, offering stable unlocking operation and overcoming the shortcomings of the prior art. The technical solution adopted by this utility model to solve its technical problem is as follows:

[0004] A quick-release toilet seat assembly includes a connecting tube, a button, and two locking mechanisms for locking the support post. The two locking mechanisms are symmetrically arranged mirror-symmetrically within the connecting tube. The button is located in the middle of the connecting tube. Each locking mechanism includes a push rod, a connecting shaft, and a locking spring tensioned between the two. The connecting shaft has a connecting hole for inserting the support post. The push rod is axially movable and inserted into the connecting shaft. The push rod has a locking piece for locking the support post. The push rod has a first elastic hook. The connecting shaft has a retaining edge corresponding to the first elastic hook. Pressing the button radially drives the... The push rod overcomes the elastic force of the locking spring and moves axially outward to release the support pillar. The first elastic hook can engage the stop edge at the same time as the locking plate releases the support pillar to prevent the push rod from resetting under the drive of the locking spring. The minimum axial movement distance of the push rod from its initial position to the point where the locking plate can release the support pillar is L. The connecting shaft has a clearance interval corresponding to the first elastic hook. The clearance interval allows the button to drive the push rod to continue moving axially outward for at least a distance of L from the position where the locking plate releases the support pillar.

[0005] In a preferred embodiment: the maximum distance the push rod moves axially outward from its initial position is twice the length L.

[0006] In a preferred embodiment: L is 1-3 mm.

[0007] In a preferred embodiment: the connecting shaft is provided with a second elastic hook corresponding to the first elastic hook, and the stop is the end face of the second elastic hook. During the axial outward movement of the first elastic hook, it squeezes and pushes the second elastic hook to open outward and can lock the stop after passing the second elastic hook.

[0008] In a preferred embodiment: the connecting tube is provided with a guide post inside, and the bottom surface of the button is provided with a guide hole for insertion into the guide post.

[0009] In a preferred embodiment: the edge of the mounting hole for mounting the button in the connecting tube extends radially inward to form a side, and the button has a straight edge around its perimeter corresponding to the side.

[0010] In a preferred embodiment, a button reset spring is also included, which is tensioned between the button and the connecting tube.

[0011] In a preferred embodiment: the button and the push rod are provided with mutually matching inclined push surfaces.

[0012] In a preferred embodiment, the angle between the inclined pushing surface and the radial center line is between 40 and 50 degrees.

[0013] Compared with the prior art, this technical solution has the following advantages:

[0014] 1. After the push rod moves axially outward from its initial position until the locking plate can just release the support pillar, a clearance zone is provided within the connecting shaft. Therefore, if the button is pressed further, the push rod can continue to move outward. Even if the button tilts due to uneven force, the button can be pressed again after one side's locking mechanism unlocks until the other side's locking mechanism also unlocks. Thus, the clearance zone allows the button to drive the push rod forward after unlocking, ensuring unlocking on both sides and improving the stability of the quick-release assembly.

[0015] 2. Both the first and second elastic hooks are elastic hooks. When they meet, they can deform elastically by squeezing each other. On the one hand, this helps to reduce friction and achieve a greater unlocking force. On the other hand, it can also shorten the minimum distance that the push rod needs to move axially outward from its initial position to the lock plate to release the support pillar, thus shortening the unlocking stroke.

[0016] 3. The guide post and guide hole are connected, which allows the button to maintain radial inward movement even when the force deviates from the center position, thus improving the synchronization of the push rods on both sides of the button. The straight edges around the button also match the sides of the mounting holes, further improving the straightness of the button's radial movement. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 A three-dimensional exploded view of the toilet seat quick-release assembly is shown.

[0019] Figure 2 It is illustrated Figure 1 The diagram shows the assembly of the quick-release toilet seat assembly without the connecting pipe.

[0020] Figure 3 It is illustrated Figure 1 The diagram shows a cross-sectional view of the quick-release toilet seat assembly.

[0021] Figure 4 A cross-sectional schematic diagram is shown showing the locking plate in the state of locking the support column.

[0022] Figure 5 A schematic diagram showing the positions of the first and second elastic arms when the locking plate is locked to the support pillar is drawn.

[0023] Figure 6 A cross-sectional schematic diagram is shown where the locking plate just loosens from the support post.

[0024] Figure 7A schematic diagram is shown showing the first elastic arm and the second elastic arm engaging when the locking plate is just released from the support pillar.

[0025] Figure 8 A schematic diagram of the component is shown, illustrating the push rod moving to its limit position when the locking plate is released from the support pillar.

[0026] Figure 9 A schematic diagram showing the positions of the first and second elastic arms when the push rod moves to its limit position is drawn. Detailed Implementation

[0027] Please refer to Figures 1 to 9 A quick-release toilet seat assembly includes a connecting tube 10, a button 20, and two locking mechanisms 40 for locking the support post 30. The two locking mechanisms 40 are symmetrically arranged mirror-symmetrically within the connecting tube 10, and the button 20 is located in the middle of the connecting tube 10. Each locking mechanism 40 includes a push rod 42, a connecting shaft 44, and a locking spring 46 tensioned between them. The connecting shaft 44 has a connecting hole for inserting the support post. The push rod 42 is axially movable and inserted into the connecting shaft 44. The push rod 42 has a locking plate 422 for locking the support post 20. In its natural state, the locking spring 46 pushes the locking spring 46 axially inward, causing the locking plate 422 to lock the locking plate 422 (e.g., ...). Figure 4 (As shown). The push rod 42 is provided with a first elastic hook 424, and the connecting shaft 44 is provided with a stop 442 corresponding to the first elastic hook. Pressing the button 20 radially can drive the push rod 42 to overcome the elastic force of the locking spring 46 and move axially outward so that the locking piece 422 releases the support column 30. At the same time as the locking piece releases the support column, the first elastic hook 424 can lock the stop 442 to prevent the push rod 42 from resetting under the drive of the locking spring 46 (e.g.). Figure 6 and Figure 7 (As shown). The minimum axial movement distance L required for the push rod 42 to move axially outward from its initial position to release the support column 30 via the locking plate 422 is as follows: Figure 4 Move to Figure 6 The connecting shaft 40 has a clearance interval 444 corresponding to the first elastic hook 424. The clearance interval 444 allows the button 20 to drive the push rod 42 to continue moving axially outward a distance of at least L, starting from the position where the locking piece releases the support column. Figure 6 Move to Figure 8 .

[0028] Therefore, during the unlocking operation, when the external force presses the button 20, the button moves radially into the connecting tube 10 and drives the push rod 42 to move axially outward. After the push rod 42 moves a distance L, the locking piece 422 releases the bracket support 30, and the first elastic hook 424 reaches the position of the stop edge 442. Since the external force continues to press the button 20, the push rod 42 can continue to move axially outward and the distance it moves is at least the length value L. Of course, after the external force is removed, the locking spring 46 drives the push rod 42 to reset, the push rod 42 moves inward, the first elastic hook 424 engages with the stop edge 442, and the locking piece still releases the bracket support 30, so the bracket support 30 can be removed.

[0029] Preferably, the maximum distance the push rod 42 can move axially outward from its initial position is twice the length L. That is, the distance the push rod 42 can move axially outward from its initial position until the locking piece 422 can release the support pillar 30 is L. Afterward, the push rod 42 can continue to move axially outward a further distance, also L. L is 1-3 mm; in this embodiment, it is 2 mm, meaning the push rod only needs to move 2 mm to unlock, and there is still a 2 mm margin for further movement.

[0030] Preferably, the connecting shaft 44 is provided with a second elastic hook 446 corresponding to the first elastic hook 424, and the retaining edge 442 is the end face of the second elastic hook 446. During the axial outward movement of the first elastic hook 424, it squeezes and pushes the second elastic hook 446 outward, and after passing the second elastic hook, it can lock onto the retaining edge 442. The first elastic hook 424 is squeezed outward by the support column 30 during the movement, which is the same as the existing structure and will not be described in detail.

[0031] Preferably, the connecting tube 10 has a guide post 12 inside, and the bottom surface of the button 20 has a guide hole 22 in the middle for insertion with the guide post.

[0032] Preferably, the edge of the mounting hole for mounting the button in the connecting tube 10 extends radially inward to form a side 14, and the button 20 has a straight edge 24 around its perimeter corresponding to the side.

[0033] Preferably, it also includes a button reset spring 50 tensioned between the button 20 and the connecting tube 10, so that the button can automatically reset after the external force is removed. In fact, the push rod reset can also drive the button to reset.

[0034] Preferably, the button 20 and the push rod 42 are provided with mutually matching inclined push surfaces. The angle between the inclined push surface and the radial center line is between 40 and 50 degrees, and in this embodiment, the angle is 45 degrees.

[0035] The above description is only a preferred embodiment of the present utility model, and therefore cannot be used to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model patent and the contents of the specification should still fall within the scope of the present utility model.

Claims

1. A quick-release toilet seat assembly, comprising a connecting tube, a button, and two locking mechanisms for locking the support post. The two locking mechanisms are symmetrically arranged in the connecting tube, with the button positioned in the middle of the connecting tube. Each locking mechanism includes a push rod, a connecting shaft, and a locking spring tensioned between the two. The connecting shaft has a connecting hole for inserting the support post. The push rod is axially movable and inserted into the connecting shaft. The push rod has a locking plate for locking the support post. The push rod has a first elastic hook. The connecting shaft has a stop corresponding to the first elastic hook. Pressing the button radially drives the push rod to overcome the elastic force of the locking spring and move axially outward, causing the locking plate to release the support post. The first elastic hook, while the locking plate releases the support post, engages the stop to prevent the push rod from resetting under the drive of the locking spring. The assembly is characterized by: The push rod moves axially outward from its initial position until the minimum axial movement distance L is sufficient for the locking plate to release the support column. The connecting shaft has a clearance interval corresponding to the first elastic hook. The clearance interval allows the button to drive the push rod to continue moving axially outward for at least a distance L, starting from the position where the locking plate releases the support column.

2. The quick-release toilet seat assembly according to claim 1, characterized in that: The maximum distance the push rod can move axially outward from its initial position is twice the length L.

3. The quick-release toilet seat assembly according to claim 1, characterized in that: The value of L is 1-3 mm.

4. The quick-release toilet seat assembly according to claim 1, characterized in that: The connecting shaft is provided with a second elastic hook corresponding to the first elastic hook. The stop is the end face of the second elastic hook. During the axial outward movement of the first elastic hook, it squeezes and pushes the second elastic hook to open outward and can lock the stop after passing the second elastic hook.

5. The quick-release toilet seat assembly according to claim 1, 2, 3, or 4, characterized in that: The connecting tube has a guide post inside, and the bottom surface of the button has a guide hole in the middle for insertion with the guide post.

6. The quick-release toilet seat assembly according to claim 5, characterized in that: The edge of the mounting hole for mounting the button on the connecting tube extends radially inward to form a side, and the button has straight edges around its perimeter corresponding to the side.

7. The quick-release toilet seat assembly according to claim 1, characterized in that: It also includes a button reset spring tensioned between the button and the connecting tube.

8. The quick-release toilet seat assembly according to claim 1, characterized in that: The button and the push rod are provided with mutually matching inclined push surfaces.

9. The quick-release toilet seat assembly according to claim 8, characterized in that: The angle between the inclined surface and the radial centerline is between 40 and 50 degrees.