A bolt assembly and a toilet
By incorporating an anti-rotation structure into the locking element of the bolt assembly, the problem of connector breakage caused by incorrect rotation direction of the locking element is solved, thereby improving the reliability and service life of the bolt assembly and achieving a simple and low-cost improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QUANZHOU KEFA SANITARY WARE
- Filing Date
- 2025-06-25
- Publication Date
- 2026-06-09
AI Technical Summary
In existing bolt assemblies, the locking element may break due to incorrect rotation direction, affecting the reliability and service life of the bolt assembly.
An anti-rotation structure is provided on the locking member to restrict the locking member from rotating from the unfolded state to the folded state along the second direction. The anti-rotation structure stops the bolt to prevent erroneous rotation. The locking member is designed to be rotatably connected to the nut and rotates to the folded or unfolded state along the first direction under the pull of the connecting member.
It effectively avoids the breakage of the connecting parts caused by incorrect rotation direction of the locking parts, improves the reliability and service life of the bolt assembly, and has a simple structure and low cost.
Smart Images

Figure CN224338366U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sanitary ware, and in particular to a bolt assembly and a toilet. Background Technology
[0002] A quick-release bolt assembly in the prior art, such as Figure 1 As shown, the assembly includes a bolt 1′, a bracket 2′, a locking element 3′, and a rotating shaft 4′. The bracket 2′ is detachably mounted at the mounting hole 51′ and has a connecting element 21′. The rotating shaft 4′ is screwed to the bolt 1′, and the end of the connecting element 21′ is connected to the locking element 3′. The locking element 3′ is rotatably mounted on the rotating shaft 4′ and rotates between a folded position and an unfolded position. When in the folded position, the locking element 3′ is pulled closer to the center of the bolt 1′ by the connecting element 21′, allowing the locking element 3′ to pass through the mounting hole 51′ to install or remove the bolt. When in the unfolded position, the locking element 3′ is pushed away from the center of the bolt 1′ by the connecting element 21′, allowing the locking element 3′ to abut against the bottom surface of the mounting base 5′ to tighten the bolt.
[0003] When installing or removing the aforementioned bolt assembly by rotating the locking member 3′ to the folded position, the standard procedure is to rotate the end connecting the locking member 3′ and the connector 21′ towards the head of the bolt 1′ (i.e., rotate the locking member 3′ counterclockwise) to fold it in. However, in actual installation, an error may occur, where the end connecting the locking member 3′ and the connector 21′ is mistakenly rotated away from the head of the bolt 1′ (i.e., rotate the locking member 3′ clockwise) to fold it in. Figure 2 As shown, when the locking part 3′ has been rotated to the point where one end of it presses against the bottom surface of the bracket 2′, if the installer does not realize the error and continues to force the installation, causing the locking part 3′ to rotate to the folded position, the bracket 2′ will be pushed upward by one end of the locking part 3′, and the connecting strip will be pulled downward by the other end of the locking part 3′, which will cause the connecting strip to break, the bolt assembly to be damaged, and the installation to be impossible. Utility Model Content
[0004] This utility model addresses the technical problems existing in the prior art by providing a bolt assembly and a toilet, which can avoid the problem of connector breakage caused by incorrect rotation direction when the locking part is folded in the prior art, and increases the reliability and service life of the bolt assembly.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: a bolt assembly, which mates with the mounting part where the bolt assembly is located and the mounting hole opened on the mounting part, includes a bolt, a fixing seat, a locking member and a nut. The fixing seat has a through hole and a strip-shaped connecting member. The bolt passes through the through hole of the fixing seat and is threadedly connected to the nut. The end of the connecting member is connected to the locking member. The locking member is rotatably connected to the nut, and the locking member can switch to a folded state or an unfolded state by rotation. Under the pull of the connecting member, the locking member rotates along a first direction to a folded state in which its two ends are respectively close to the central axis of the bolt, so that the locking member can pass through the mounting hole. Under the pressure of the connecting member, the locking member rotates along a second direction opposite to the first direction to an unfolded state in which its two ends are away from the central axis of the bolt, so that the locking member can abut against the back of the mounting part. The locking member is provided with an anti-rotation structure. When the locking member rotates from the unfolded state along the second direction, the anti-rotation structure stops the bolt to prevent the locking member from continuing to rotate along the second direction to the folded state.
[0006] In a preferred embodiment, when the anti-rotation structure stops at the bolt, the maximum lateral dimension of the locking member is greater than the diameter of the mounting hole, so as to restrict the locking member from passing through the mounting hole.
[0007] In a preferred embodiment, the two ends of the locking member are a first end and a second end, respectively, the end of the connecting member is connected to the first end of the locking member, and the anti-rotation structure is disposed between the second end of the locking member and the nut.
[0008] In a preferred embodiment, the locking member includes two opposing sidewalls, each of which has a shaft hole, and the two ends of the nut are respectively rotatably engaged with the shaft holes of the two sidewalls; the anti-rotation structure includes an anti-rotation protrusion disposed on the inner surface of at least one of the two sidewalls, the anti-rotation protrusion being disposed close to the shaft hole, and when the locking member rotates from the unfolded state along the second direction, the anti-rotation protrusion stops the bolt.
[0009] In a preferred embodiment, the locking member further includes a bottom wall disposed between two side walls, the end side of the connector is provided with a groove, and the bottom wall of the locking member is provided with a slot corresponding to the groove, so that the end of the connector is connected to the locking member by the groove and the slot engaging.
[0010] In a preferred embodiment, there are two grooves, which are arranged opposite to each other and form a retaining edge between them. The retaining groove is T-shaped, and the total length of the T-shaped retaining groove is greater than the width of the connector. The width of the transverse section of the T-shaped retaining groove is less than the width of the connector and is adapted to the width of the retaining edge.
[0011] In a preferred embodiment, the bottom wall has a clearance groove in the middle for bolts to pass through.
[0012] In a preferred embodiment, the fixing base includes a fixing base body and a limiting boss that are connected to each other. The limiting boss is located on the front of the mounting part, the fixing base body is located in the mounting hole, the connector is connected to the fixing base body, and both the fixing base body and the limiting boss are provided with through holes.
[0013] In a preferred embodiment, the connector is an elastic member, which can elastically deform to pull or press against the locking member when the locking member rotates between the folded and unfolded states.
[0014] This utility model also provides a toilet, including a toilet seat and a toilet lid. The toilet lid includes a support and a toilet top cover and a toilet seat ring connected to the support. The top of the toilet seat has a mounting part for the support, and the mounting part has a through mounting hole. The support is provided with a connecting hole. It also includes the bolt assembly of this utility model. The fixing seat passes through the connecting hole. The locking member passes downward through the mounting hole in the folded state and abuts against the bottom surface of the mounting part in the unfolded state. The fixing seat abuts against the top surface of the mounting part.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] 1. The locking component of this utility model is provided with an anti-rotation structure. When the locking component is accidentally rotated from the unfolded state to the second direction, the anti-rotation structure will stop the bolt to limit the locking component from continuing to rotate to the folded state in the second direction. This can avoid the problem of the connecting component breaking due to the wrong rotation direction when the locking component is folded in the prior art, and increase the reliability and service life of the bolt assembly.
[0017] 2. The anti-rotation structure includes an anti-rotation protrusion disposed on the inner surface of at least one of the two side walls. This structure is simple, low-cost, and easy to implement.
[0018] 3. The bottom wall of the locking component has a corresponding groove. The groove and the groove engage to connect the end of the connector to the locking component. Specifically, there are two grooves, which are arranged opposite each other and form a retaining edge between them. The retaining edge is T-shaped, with the total length of the T-shaped retaining edge being greater than the width of the connector. The width of the transverse section of the T-shaped retaining edge is less than the width of the connector and matches the width of the retaining edge. This facilitates the connection between the connector and the locking component and ensures the stability of the connection.
[0019] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments; however, the bolt assembly and toilet of the present invention are not limited to the embodiments. Attached Figure Description
[0020] Figure 1 This is a cross-sectional schematic diagram of a bolt assembly in the prior art;
[0021] Figure 2This is a cross-sectional schematic diagram of the locking element of a bolt assembly in the prior art when it is rotated clockwise and folded back;
[0022] Figure 3 This is an exploded view of the present invention;
[0023] Figure 4 This is a three-dimensional structural schematic diagram of the locking component of this utility model;
[0024] Figure 5 This is a front view of the locking component of this utility model when it is rotated from the unfolded state along the first direction;
[0025] Figure 6 This is a front view of the locking component of this utility model when it is switched to the folded state;
[0026] Figure 7 This is a front view of the locking component of this utility model when it is rotated from the unfolded state along the second direction;
[0027] Figure 8 This is a front view of the anti-rotation protrusion of this utility model when it stops against the bolt;
[0028] Figure 9 This is a cross-sectional schematic diagram of the anti-rotation protrusion of this utility model when it stops against the bolt;
[0029] Figure 10 yes Figure 9 A cross-sectional view along line AA;
[0030] In the diagram: 1. Bolt; 2. Fixing seat; 21. Connector; 211. Groove; 212. Clamping edge; 22. Through hole; 23. Fixing seat body; 24. Limiting boss; 3. Locking component; 31. Side wall; 311. Anti-rotation protrusion; 312. Shaft hole; 32. Bottom wall; 321. Slot; 322. Clearance groove; 4. Nut; 5. Mounting position; 51. Mounting hole. Detailed Implementation
[0031] In this utility model, the use of terms such as "inner," "outer," "top," and "bottom" to indicate orientation or positional relationships is based on the orientation or positional relationships shown in the accompanying drawings. These terms are used solely for the purpose of describing the utility model and do not indicate or imply that the device must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0032] In addition, in the description of this utility model, unless otherwise stated, "at least one" means one or more.
[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installed", "equipped with", "connected", etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection between the internal parts of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0034] Please see Figures 3-10 As shown, this utility model discloses a bolt assembly that mates with the mounting portion 5 and the mounting hole 51 on the mounting portion 5. In this embodiment, the mounting portion 5 is part of a toilet seat, and the bolt assembly is used to mate with the mounting hole 51 on the toilet seat to fix the toilet seat to the toilet seat. It should be noted that the application scenarios of this bolt assembly are not limited to the installation of toilet seats, but can also be applied to other occasions that require similar fixing structures. Specifically, the bolt assembly includes a bolt 1, a fixing seat 2, a locking member 3, and a nut 4. The fixing seat 2 has a through hole 22 and a long strip-shaped connector 21. The bolt 1 passes through the through hole 22 of the fixing seat 2 and is threadedly connected to the nut 4. The end of the connector 21 is connected to the locking member 3. The locking member 3 is rotatably connected to the nut 4, and the locking member 3 can be switched to a folded state or an unfolded state by rotation. Under the pull of the connector 21, the locking member 3 rotates along the first direction (i.e., counterclockwise) to the folded state, so that its two ends are close to the central axis of the bolt 1, so that the locking member 3 can pass through the mounting hole 51. Under the pressure of the connector 21, the locking member 3 rotates along the second direction opposite to the first direction (i.e., clockwise) to the unfolded state, so that its two ends are away from the central axis of the bolt 1, so that the locking member 3 can abut against the back of the mounting part 5. The locking member 3 is provided with an anti-rotation structure. When the locking member 3 rotates from the unfolded state along the second direction, the anti-rotation structure stops the bolt 1 to limit the locking member 3 from continuing to rotate along the second direction to the folded state. This avoids the problem of the connecting member 21 breaking due to the incorrect rotation direction when the locking member 3 is folded in the prior art, and increases the reliability and service life of the bolt assembly.
[0035] Specifically, the length of the locking member 3 is greater than the diameter of the mounting hole 51, and the width of the locking member 3 is smaller than the diameter of the mounting hole 51, ensuring that the locking member 3 can both pass through the mounting hole 51 and abut against the back of the mounting part 5. The connecting member 21 is an elastic member. When the locking member 3 rotates between the folded state and the unfolded state, the connecting member 21 can generate elastic deformation to pull or press the locking member 3.
[0036] When the anti-rotation structure stops at bolt 1, the maximum lateral dimension of the locking member is greater than the diameter of the mounting hole, so as to restrict the locking member 3 from passing through the mounting hole 51.
[0037] The two ends of the locking member 3 are the first end and the second end, respectively. The end of the connecting member 21 is connected to the first end of the locking member 3. The anti-rotation structure is set between the second end of the locking member 3 and the nut 4.
[0038] The locking member 3 includes two opposing sidewalls 31, each with a shaft hole 312. The two ends of the nut 4 are respectively rotatably engaged with the shaft holes 312 of the two sidewalls 31. The anti-rotation structure includes an anti-rotation protrusion 311 on the inner surface of at least one of the two sidewalls 31. Specifically, as shown... Figure 4 As shown, anti-rotation protrusions 311 are provided on the inner surfaces of both sidewalls 31. The anti-rotation protrusions 311 are located near the shaft hole 312. When the locking member 3 rotates from the unfolded state along the second direction, the anti-rotation protrusions 311 stop at the bolt 1.
[0039] The locking component 3 also includes a bottom wall 32 disposed between two side walls 31. The end side of the connector 21 has a groove 211, and the bottom wall 32 of the locking component 3 has a corresponding slot 321. The groove 211 and the slot 321 engage to connect the end of the connector 21 to the locking component 3. Specifically, there are two grooves 211, which are arranged opposite each other and form a retaining edge 212 between them. The retaining edge 321 is T-shaped, with a total length greater than the width of the connector 21 and a width of the transverse section less than the width of the connector 21, matching the width of the retaining edge 212. The bottom wall 32 has a clearance groove 322 in the middle for the bolt 1 to pass through.
[0040] The fixing base 2 includes a fixing base body 23 and a limiting boss 24 connected to each other. The limiting boss 24 is located on the front of the mounting part 5. The fixing base body 23 is located in the mounting hole 51. The connector 21 is connected to the fixing base body 23. Both the fixing base body 23 and the limiting boss 24 are provided with through holes 22.
[0041] When installing the bolt assembly, first pass the bolt 1 through the through hole 22 of the fixing seat 2, and then screw the bolt 1 and nut 4 together. Since the locking part 3 and nut 4 are rotatably engaged, the locking part 3 can be rotated to the folded state, and the locking part 3 is nearly parallel to the bolt 1. Then, insert the locking part 3 into the mounting hole 51, rotate the bolt 1 to drive the nut 4 to move along the bolt 1 towards the mounting part 5, and the locking part 3 moves synchronously under the action of the nut 4. At this time, the connecting part 21 presses against the first end of the locking part 3, causing the locking part 3 to move along the second direction. Rotate the bolt 1 to the unfolded state (clockwise) and continue rotating the bolt 1 until the locking member 3 abuts against the back of the mounting part 5, thus completing the installation of the bolt assembly. To disassemble, simply rotate the bolt 1 in the opposite direction, causing the nut 4 to move away from the mounting part 5. The locking member 3 moves synchronously under the action of the nut 4. At this time, the first end of the locking member 3 is pulled by the connecting piece 21, causing the locking member 3 to rotate in the first direction (counterclockwise) to the folded state, thus removing the bolt assembly from the mounting part 5 and completing the disassembly.
[0042] like Figure 5 , 6 As shown, when the locking member 3 rotates from the unfolded state along the first direction, it can rotate normally to the folded state to pass through the mounting hole 51. Figures 7-10 As shown, when the locking part 3 rotates from the unfolded state along the second direction, when it rotates to a certain angle, the anti-rotation protrusion 311 on the locking part 3 stops at the bolt 1 and interferes with the bolt 1, so it cannot continue to rotate. At this time, the connecting part 21 is not tightened and there is no risk of breakage. At the same time, it will be found that the maximum lateral dimension of the locking part 3 is larger than the diameter of the mounting hole, and the bolt assembly cannot be installed. Only when the locking part 3 is rotated along the first direction to the folded state can it be installed normally.
[0043] This utility model discloses a toilet, including a toilet seat and a toilet lid. The toilet lid includes a support and a toilet top cover and a toilet seat ring connected to the support. The top of the toilet seat has a mounting part 5 for the support. The mounting part 5 has a vertically penetrating mounting hole 51. The support has a connecting hole and also includes the aforementioned bolt assembly. A fixing seat 2 passes through the connecting hole. A locking member 3 passes downward through the mounting hole 51 in the folded state and abuts against the bottom surface of the mounting part 5 in the unfolded state. The fixing seat 2 abuts against the top surface of the mounting part 5. The bottom surface of the mounting part 5 is the back surface of the mounting part 5, and the top surface of the mounting part 5 is the front surface of the mounting part 5.
[0044] The structure and working principle of the bolt assembly of this utility model toilet are described in the preceding section and will not be repeated here.
[0045] The present invention relates to a bolt assembly and a toilet. The parts not described herein are the same as or can be implemented using existing technologies.
[0046] The above embodiments are only used to further illustrate a bolt assembly and toilet of the present utility model. However, the present utility model is not limited to the embodiments. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the technical solution of the present utility model.
Claims
1. A bolt assembly, which mates with a mounting location and a mounting hole on the mounting location, comprising a bolt, a fixing seat, a locking member, and a nut. The fixing seat has a through hole and an elongated connecting member. The bolt passes through the through hole of the fixing seat and is threadedly connected to the nut. The end of the connecting member is connected to the locking member. The locking member is rotatably connected to the nut, and the locking member can be rotated to a folded state or an unfolded state. Under the pull of the connecting member, the locking member rotates along a first direction to the folded state, in which its two ends are respectively close to the central axis of the bolt, so that the locking member can pass through the mounting hole. Under the pressure of the connecting member, the locking member rotates along a second direction opposite to the first direction to the unfolded state, in which its two ends are away from the central axis of the bolt, so that the locking member can abut against the back of the mounting location; characterized in that: The locking member is provided with an anti-rotation structure. When the locking member rotates from the unfolded state along the second direction, the anti-rotation structure stops the bolt to prevent the locking member from continuing to rotate along the second direction to the folded state.
2. The bolt assembly according to claim 1, characterized in that: When the anti-rotation structure stops the bolt, the maximum lateral dimension of the locking member is greater than the diameter of the mounting hole, so as to restrict the locking member from passing through the mounting hole.
3. The bolt assembly according to claim 2, characterized in that: The locking member has a first end and a second end at its two ends, and the end of the connecting member is connected to the first end of the locking member. The anti-rotation structure is disposed between the second end of the locking member and the nut.
4. The bolt assembly according to any one of claims 1-3, characterized in that: The locking member includes two opposing sidewalls, each with a shaft hole. The two ends of the nut are rotatably engaged with the shaft holes of the two sidewalls. The anti-rotation structure includes an anti-rotation protrusion on the inner surface of at least one of the two sidewalls. The anti-rotation protrusion is located close to the shaft hole. When the locking member rotates from the unfolded state along the second direction, the anti-rotation protrusion stops the bolt.
5. The bolt assembly according to claim 4, characterized in that: The locking component also includes a bottom wall disposed between the two side walls. The end side of the connector is provided with a groove, and the bottom wall of the locking component is provided with a slot corresponding to the groove. The groove and the slot engage to connect the end of the connector to the locking component.
6. The bolt assembly according to claim 5, characterized in that: The grooves are of two types, arranged opposite each other and forming a retaining edge between them. The retaining grooves are T-shaped, with the total length of the T-shaped retaining groove being greater than the width of the connector. The width of the transverse section of the T-shaped retaining groove is less than the width of the connector and is adapted to the width of the retaining edge.
7. The bolt assembly according to claim 5, characterized in that: The bottom wall has a clearance groove in the middle for the bolt to pass through.
8. The bolt assembly according to claim 1, characterized in that: The fixing base includes a fixing base body and a limiting boss that are connected to each other. The limiting boss is located on the front of the mounting part. The fixing base body is located in the mounting hole. The connector is connected to the fixing base body. Both the fixing base body and the limiting boss are provided with the through hole.
9. The bolt assembly according to claim 1, characterized in that: The connector is an elastic element. When the locking element rotates between the folded and unfolded states, the connector can generate elastic deformation to pull or press against the locking element.
10. A toilet, comprising a toilet seat and a toilet lid, the toilet lid including a support and a toilet top cover and a toilet seat ring connected to the support, the top of the toilet seat having a mounting portion for the support, the mounting portion having a through mounting hole, the support having a connecting hole, characterized in that: It also includes a bolt assembly as described in any one of claims 1-9, wherein the fixing seat passes through the connecting hole, the locking member passes downward through the mounting hole in the folded state and abuts against the bottom surface of the mounting portion in the unfolded state, and the fixing seat abuts against the top surface of the mounting portion.