CN215457583U

CN215457583U - Hinge structure for toilet cover plate

Info

Publication number: CN215457583U
Application number: CN202121150566.4U
Authority: CN
Inventors: 周文辉; 黄浩佳; 张海; 梁伟南; 马家富
Original assignee: Zhongshan Anbo Health Technology Co ltd
Current assignee: Zhongshan Anbo Health Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-01-11
Anticipated expiration: 2031-05-26
Also published as: EP4094654A1; ES2952324T3; EP4094654B1; EP4094654C0

Abstract

The invention discloses a hinge structure for a toilet cover plate, which comprises a fixed seat and a cover plate, wherein the cover plate is provided with a mounting hole, a seat hinge assembly is arranged in the mounting hole, the seat hinge assembly comprises an oil core sleeve fixedly arranged in the mounting hole, the seat hinge assembly also comprises a hinge shaft, the hinge shaft comprises an oil core part rotatably arranged in the oil core sleeve and a seat hinge part in inserting fit with a connecting column on the fixed seat, the oil core part and the seat hinge part are integrally formed, an annular flange protruding inwards is arranged in an opening of the mounting hole, when the seat hinge assembly is arranged in the mounting hole, the seat hinge assembly is abutted against the annular flange through a diamond elastic buckle so as to axially fix the seat hinge assembly, the seat hinge part and the oil core part are integrally formed, the energy efficiency coaxiality error of the seat hinge assembly is reduced, the mechanical fatigue of parts of a buffer is reduced, and the service life is prolonged, and the seat hinge assembly can be quickly disassembled and assembled through the diamond elastic buckle so as to realize the rotary installation between the cover plate and the fixed seat.

Description

Hinge structure for toilet cover plate

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of toilets, in particular to a hinge structure for a toilet cover plate.

[ background of the invention ]

A articulated shaft subassembly that is used for between apron and closestool hinge on the existing market, it is including seat hinge with the complex wick of seat hinge grafting, wick and seat hinge in prior art all are components of a whole that can function independently, for example: chinese patent discloses (publication number: CN 201767898U) a hinge structure of a toilet lid plate, which specifically discloses the following contents in the specification: referring to fig. 1-9, the hinge structure of the cover plate of the toilet bowl comprises a cover plate connected with the toilet bowl through a hinge, the hinge comprises a hinge body (equivalent to a seat hinge) and a mounting seat which are respectively connected with the cover plate and the toilet bowl, and the top surface of the mounting seat is provided with a connecting column which is inserted and connected with the hinge body. The cover plate comprises a bottom ring and a surface cover; the left side and the right side of the rear edge of the bottom ring are both connected with hinges through springs, and the rear end of each hinge is provided with a damper (equivalent to an oil core) connecting groove and is connected with the surface cover through the damper. The split structure mainly has the following defects:

1. the seat hinge and the oil core are separated, and the coaxiality error of the hinge shaft assembly is large when the seat hinge and the oil core are connected together;

2. this articulated shaft subassembly still resets including the spring, has not only increased the manufacturing cost of product like this, but also can increase articulated shaft subassembly's the assembly degree of difficulty.

In addition, the conventional damper needs to add some parts to cooperate with the seat ring when being mounted on the seat ring, such as: the hinge shaft comprises a gland, a nut, an anti-slip washer, a decoration ring, a snap ring and other parts, but the whole external dimension of the hinge shaft is lengthened due to the parts, so that the swinging stability of the cover plate is poor.

[ summary of the invention ]

In order to solve the above problems, the present invention provides a hinge structure for a toilet lid.

In order to achieve the purpose, the invention provides the following technical scheme:

a hinge structure for toilet cover plate comprises a fixed seat fixedly arranged on a toilet and a cover plate rotatably arranged on the fixed seat, the cover plate is provided with a mounting hole, a seat hinge assembly for hinging the fixed seat with the cover plate is arranged in the mounting hole, the seat hinge component comprises an oil core sleeve fixedly arranged in the mounting hole and a hinge shaft, the hinge shaft comprises an oil core part which is rotatably arranged in the oil core sleeve and a seat hinge part which is in plug fit with the connecting column on the fixed seat, the oil core part and the seat hinge part are integrally formed, an annular flange protruding inwards is arranged in the opening of the mounting hole, when the seat hinge assembly is installed in the installation hole, the seat hinge assembly is abutted to the annular flange through a diamond-shaped elastic buckle, so that the seat hinge assembly is axially fixed.

Preferably, the method is further defined as follows: the oil core part with be formed with the sealed chamber that is used for holding damping oil between the oil core cover, be provided with on the inside wall of oil core cover to its radial inward protruding interlayer piece, the interlayer piece will the sealed chamber separates for first cavity and second cavity, the middle part of interlayer piece run through set up can with oil core looks adaptation's shaft hole, oil core part passes through behind the shaft hole through ultrasonic welding mode and spacing post fixed connection.

Preferably, the method is further defined as follows: the oil core sleeve comprises a first cavity, a second cavity and a cover plate, wherein a gear block which is located in the first cavity and extends along the axial direction of the oil core sleeve is oppositely arranged on the inner side wall of the oil core sleeve, ribs which extend along the axial direction of the oil core sleeve are oppositely arranged on the circumferential surface of the oil core part, and the gear block and the ribs are staggered and arranged during assembly, so that the cover plate can be linked with the gear block of the oil core sleeve to be abutted against the ribs of the oil core part in the rotating process.

Preferably, the method is further defined as follows: the rib is nested with the blade, and the rib on the oil core part is in contact with the inner side wall of the first cavity through the blade.

Preferably, the method is further defined as follows: the seat hinge assembly further comprises an adjusting nut, an inner thread matched with the adjusting nut is arranged on the inner wall of the second cavity, the adjusting nut comprises an inserting portion and a thread portion, an empty avoiding groove is formed in the inserting portion, an outer thread is arranged on the periphery of the thread portion, and when the thread portion is connected with the inner thread on the second cavity through the outer thread, the empty avoiding groove is sleeved on the periphery of the gear block.

Preferably, the method is further defined as follows: offer the confession on the seat hinge portion is global the accommodation hole of spliced pole cartridge, the spliced pole cartridge is in connect through buckle mechanism behind the accommodation hole, buckle mechanism is including buckle spare, it inserts the piece to be provided with the annular on the buckle spare, seat hinge portion terminal surface seted up with the communicating and confession of accommodation hole the annular inserts a first holding tank of piece male, buckle spare passes through the annular inserts the piece and inserts in the first holding tank, the annular inserts the end of piece and has seted up first breach, the annular inserts the piece and is close to the loop inside of first breach is provided with the protruding muscle of inward projection, the global indent of spliced pole is formed with the confession the draw-in groove that protruding muscle card was gone into, the one end process of spliced pole the accommodation hole is inserted to the annular is inserted in the piece and is passed through the draw-in groove with the protruding muscle joint.

Preferably, the method is further defined as follows: the clamping piece is symmetrically provided with strip-shaped inserting blocks, the end face of the seat hinge part is provided with a second accommodating groove for the strip-shaped inserting blocks to be correspondingly inserted, the inserting end of the strip-shaped inserting blocks is provided with first clamping hooks, second clamping hooks are arranged in the second accommodating groove, and the strip-shaped inserting blocks are buckled with the second clamping hooks in the second accommodating groove through the first clamping hooks.

Preferably, the method is further defined as follows: the peripheral surface of the seat hinge part is provided with a third accommodating groove, the third accommodating groove is used for accommodating the rhombic elastic buckle, the rhombic elastic buckle comprises a seat part, an elastic part and a leading-in part, one side of the seat part is fixedly connected with the elastic part, the other side of the seat part is fixedly connected with the leading-in part, and the leading-in part of the rhombic elastic buckle is led in the mounting hole from outside to inside along the axis direction of the mounting hole during assembly, so that the leading-in part can abut against the annular flange in the axis direction of the mounting hole.

Preferably, the method is further defined as follows: rhombus elasticity is detained still including fixed the setting the dismantlement portion of seat side, the fixed cover in periphery of seat hinge portion is equipped with the sleeve, telescopic global being provided with the confession the through-hole that the spliced pole passed, the assembly back the dismantlement portion is in under the elastic action of elastic component, the dismantlement portion supports extremely telescopic being close to in on the inside wall of through-hole.

Preferably, the method is further defined as follows: the elastic part is provided with a first elastic part and a second elastic part, the first elastic part and the second elastic part are oppositely bent to form a rhombus shape, and the first elastic part and the second elastic part are arranged at intervals to form a second notch on the elastic part.

The beneficial effects of the invention are as follows:

1. the seat hinge part and the oil core part are integrally formed, so that the coaxiality error of the seat hinge assembly is reduced, the mechanical fatigue of parts of the buffer is reduced, the service life is prolonged, and the seat hinge assembly can be quickly disassembled and assembled through the diamond elastic buckle, so that the cover plate and the fixed seat are rotatably installed.

2. During insertion, the annular insertion block of the buckle piece is inserted into the first accommodating groove, and the connecting column is clamped into the annular opening of the annular insertion block through the first notch, so that the convex rib is clamped into the clamping groove to play a clamping role; when the connecting column is disassembled, the buckling position of the buckling piece needs to be firstly outwards supported and deformed to a certain degree, and the connecting column can be pulled out. In addition, the upper end part and the lower end part of the convex rib have certain inclination, so that the connecting column can be conveniently inserted or pulled out, the deformation difficulty can be improved, the connecting column can be forcibly inserted and pulled out repeatedly, and the buckling stability can be still kept; meanwhile, spring assembly is omitted, and therefore assembly efficiency of the assembly is effectively improved.

3. After the elastic part of the diamond-shaped elastic buckle is compressed, the disassembling part is abutted against the inner wall of the sleeve, the sleeve mainly plays a limiting role to prevent the diamond-shaped elastic buckle from being separated, and a user can complete the fixation of the hinge shaft without adding parts such as a staple bolt, a decorative ring, a snap ring and the like; under the condition that the connecting column is not inserted, a user can press the dismounting part downwards through the through hole, so that the guiding part is separated from being abutted to the annular flange, and the rhombic elastic buckle is separated from axial positioning at the moment, so that the whole seat hinge assembly is dismounted; the rhombic elastic buckle enables the buffer to be more conveniently mounted and dismounted.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the invention.

Fig. 2 is an exploded view of the invention.

Fig. 3 is one of the exploded views of the seat hinge assembly.

Figure 4 is a second exploded view of the seat hinge assembly.

Fig. 5 is a top view of the invention.

Fig. 6 is a cross-sectional view at a-a of fig. 5.

Fig. 7 is a front view of the seat hinge assembly.

Fig. 8 is an exploded view at B-B of fig. 7.

Fig. 9 is a side view of the seat hinge assembly.

Fig. 10 is a sectional view at C-C of fig. 9.

Fig. 11 is a sectional view at D-D of fig. 9.

Fig. 12 is a structural view of the grommet.

Fig. 13 is a structural view of a diamond-shaped elastic buckle.

Fig. 14 is a structural view of the wick cover.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 6, a hinge structure for a toilet cover plate includes a fixed seat 1 fixedly disposed on a toilet and a cover plate 2 rotatably disposed on the fixed seat 1, the cover plate 2 is provided with a mounting hole 21, a seat hinge assembly 3 for hinging the fixed seat 1 and the cover plate 2 is installed in the mounting hole 21, the seat hinge assembly 3 includes an oil core sleeve 33 fixedly disposed in the mounting hole 21, the seat hinge assembly 3 further includes a hinge shaft 30, the hinge shaft 30 includes an oil core 32 rotatably disposed in the oil core sleeve 33 and a seat hinge 31 in plug-fit with a connection post on the fixed seat 1, the oil core 32 and the seat hinge 31 are integrally formed, an annular flange 211 protruding inward is disposed in an opening of the mounting hole 21, and when the seat hinge assembly 3 is installed in the mounting hole 21, the seat hinge assembly 3 abuts against the annular flange 211 through a diamond elastic fastener 7, so that the annular flange 211 is abutted against the seat hinge assembly 3 The seat hinge assembly 3 is axially fixed; the seat hinge part 31 and the oil core part 32 are integrally formed, so that the coaxiality error of the seat hinge assembly is reduced, the mechanical fatigue of parts of the buffer is reduced, the service life is prolonged, and the seat hinge assembly 3 can be quickly disassembled and assembled through the diamond-shaped elastic buckle 7, so that the rotary installation between the cover plate 2 and the fixed seat 1 is realized.

As shown in fig. 5, 6 and 14, a seal cavity 34 for containing damping oil is formed between the oil core part 32 and the oil core sleeve 33, a partition block 330 protruding radially inward is arranged on the inner side wall of the oil core sleeve 33, the partition block 330 divides the seal cavity 34 into a first cavity 341 and a second cavity 342, a shaft hole 331 capable of being matched with the oil core part 32 is arranged in the middle of the partition block 330 in a penetrating manner, and the oil core part 32 is fixedly connected with a limit column 5 through an ultrasonic welding mode after passing through the shaft hole 331; preferably, the oil core part 32 passes through the shaft hole 331 and is fixed with the limit column 5 by an ultrasonic welding mode, and the fixing mode has high speed, high efficiency and low cost; while eliminating the use of a large number of clamps, adhesives or mechanical fasteners, etc.

As shown in fig. 3, 4, 7 and 8, the inner side wall of the oil core sleeve 33 is oppositely provided with a shift block 332 located in the first cavity 341 and extending along the axial direction of the oil core sleeve 33, the circumferential surface of the oil core part 32 is oppositely provided with a rib 321 extending along the axial direction, the shift block 332 and the rib 321 are staggered and separated during assembly so that the cover plate 2 can link the shift block 332 of the oil core sleeve 33 to abut against the rib 321 of the oil core part 32 during rotation, the rib 321 is nested with a blade 322, and the rib 321 on the oil core part 32 contacts with the inner side wall of the first cavity 341 through the blade 322; further, the inner wall of the oil core housing 33 and the outer circumferential surface of the rib 321 are closely attached to each other, and a rotational gap is left between the vane 322 and the rib 321, so that the damping oil flows in the gap.

As shown in fig. 3, 4, 9, 10 and 11, the seat hinge assembly 3 further includes an adjusting nut 6, an inner wall of the second cavity 342 is provided with an internal thread adapted to the adjusting nut 6, the adjusting nut 6 includes an insertion portion 61 and a threaded portion 62, the insertion portion 61 is provided with an empty avoiding groove 611, an outer periphery of the threaded portion 62 is provided with an external thread, and when the threaded portion 62 is connected with the internal thread of the second cavity 342 through the external thread, the empty avoiding groove 611 is sleeved on an outer periphery of the stop block 332; the adjusting nut 6 can play a role in adjusting the flow rate of the damping oil, so that the fine adjustment of the damper is realized; and the periphery of the joint of the seat hinge part 31 and the oil core part 32 and the periphery of the insertion part 61 of the adjusting nut 6 are respectively sleeved with a sealing ring, so that the sealing property of the sealing cavity 34 is enhanced. During assembly, the clearance groove 611 is sleeved on the periphery of the gear block 332, which can shorten the size of the hinge shaft as much as possible, and further increase the swing stability of the cover plate 2.

As shown in fig. 9, 10, 11 and 12, the circumferential surface of the seat hinge portion 31 is provided with an accommodating hole 311 for the connection column 11 to be inserted into, the connection column 11 is inserted into the accommodating hole 311 and then connected by a fastening mechanism 4, the fastening mechanism 4 includes a fastening member 41, the fastening member 41 is provided with an annular insertion block 411, the end surface of the seat hinge portion 31 is provided with a first accommodating groove 313 communicated with the accommodating hole 311 and for the annular insertion block 411 to be inserted into, the fastening member 41 is inserted into the first accommodating groove 313 through the annular insertion block 411, the insertion end of the annular insertion block 411 is provided with a first notch 412, the annular insertion block 411 is provided with a protruding rib 413 protruding inward inside the ring close to the first notch 412, the circumferential surface of the connection column 11 is recessed inward to form a slot 111 for the protruding rib 413 to be inserted into, and one end of the connection column 11 is inserted into the annular insertion block 411 through the accommodating hole 311 and passes through the slot 111 The groove 111 is clamped with the convex rib 413; during insertion, the annular insertion block 411 of the fastener 41 is inserted into the first accommodating groove 313, the connecting column 11 sequentially passes through the through hole 81 and the accommodating hole 311 and then is clamped into an annular opening of the annular insertion block 411, so that the convex rib 413 is clamped into the clamping groove 111 to play a clamping role, and the annular opening is communicated with the first notch 412 to be beneficial to opening the buckling position of the annular insertion block 411 when the connecting column 11 is installed; when the buckle is disassembled, the buckling position of the buckling piece 41 needs to be outwards supported and deformed to a certain degree, so that the connecting column 11 can be pulled out. In addition, the upper end and the lower end of the convex rib 413 have certain inclination, so that the connecting column 11 can be inserted or pulled out conveniently, the deformation difficulty can be improved, the connecting column can be forcibly inserted and pulled out repeatedly, and the buckling stability can be still kept; meanwhile, spring assembly is omitted, and therefore assembly efficiency of the assembly is effectively improved.

As shown in fig. 9, 10, 11 and 12, the fastening member 41 is symmetrically provided with strip-shaped insertion blocks 42, the end surface of the seat hinge portion 31 is provided with second receiving grooves 314 into which the strip-shaped insertion blocks 42 are correspondingly inserted, an insertion end of the strip-shaped insertion block 42 is provided with first hooks 421, the second receiving grooves 314 are provided with second hooks 315, and the strip-shaped insertion blocks 42 are fastened with the second hooks 315 in the second receiving grooves 314 through the first hooks 421; through buckle mode joint, convenient assembly and fixed.

As shown in fig. 5, 6 and 13, a third receiving groove 316 is formed in a peripheral surface of the seat hinge portion 31, the third receiving groove 316 is configured to receive the rhombic elastic buckle 7, the rhombic elastic buckle 7 includes a seat portion 71, an elastic portion 72 and a lead-in portion 73, one side of the seat portion 71 is fixedly connected to the elastic portion 72, the other side of the seat portion 71 is fixedly connected to the lead-in portion 73, and the lead-in portion 73 of the rhombic elastic buckle 7 is led into the mounting hole 21 from outside to inside along an axial direction of the mounting hole 21 during assembly, so that the lead-in portion 73 can abut against the annular flange 211 in the axial direction of the mounting hole 21; the front surface of the lead-in part 73 is an inclined surface to facilitate the lead-in part 73 to be clamped into the mounting hole 21, and the back surface of the lead-in part 73 is used for the annular flange 211 to abut against, so that the axial movement direction of the whole seat hinge assembly 3 is defined. In addition, the length of the seat portion 71 is equal to the width of the third accommodating groove 316 in the radial direction, so as to limit the side-to-side shaking of the rhombic elastic buckle 7, and facilitate the smooth up-and-down compression of the rhombic elastic buckle 7.

As shown in fig. 6 and 13, the rhombic elastic buckle 7 further comprises a detaching portion 74 fixedly arranged at the side of the seat portion 71, a sleeve 8 is fixedly sleeved on the outer periphery of the seat hinge portion 31, a through hole 81 for the connecting column 11 to pass through is arranged on the peripheral surface of the sleeve 8, and after assembly, under the elastic action of the elastic portion 72, the detaching portion 74 abuts against the inner side wall of the sleeve 8 close to the through hole 81; after the elastic part 72 of the diamond-shaped elastic buckle 7 is compressed, the detaching part 74 abuts against the inner wall of the sleeve 8, the sleeve 8 mainly plays a limiting role to prevent the diamond-shaped elastic buckle 7 from being detached, and a user can fix the hinge shaft 30 without adding parts such as staples, decorative rings, clamping rings and the like; without inserting the connecting column 11, the user can press down the detaching part 74 through the through hole 81, so that the introducing part 73 is disengaged from the annular flange 211, and the diamond-shaped elastic buckle 7 is disengaged from the axial fixation, so that the whole seat hinge assembly 3 can be detached; the rhombic elastic buckle 7 facilitates the installation and the disassembly of the buffer.

As shown in fig. 13, the elastic portion 72 is divided into a first elastic portion 721 and a second elastic portion 722, the first elastic portion 721 and the second elastic portion 722 are oppositely bent to form a rhombus shape, and the first elastic portion 721 and the second elastic portion 722 are spaced apart from each other to form a second notch 723 in the elastic portion 72, which facilitates the insertion and elastic deformation of the rhombic elastic buckle 7.

Claims

1. The utility model provides an articulated structure for closestool apron, is in including fixed fixing base (1) that sets up on the closestool and rotation setting apron (2) on fixing base (1), be provided with mounting hole (21) on apron (2), install in mounting hole (21) and be used for with fixing base (1) with apron (2) articulated seat hinge subassembly (3), seat hinge subassembly (3) are including fixed the setting oil core cover (33) in mounting hole (21), seat hinge subassembly (3) are still including hinge (30), its characterized in that: the hinge shaft (30) comprises an oil core part (32) rotatably arranged in the oil core sleeve (33) and a seat hinge part (31) matched with a connecting column on the fixed seat (1) in an inserting mode, the oil core part (32) and the seat hinge part (31) are integrally formed, an annular flange (211) protruding inwards is arranged in an opening of the mounting hole (21), and when the seat hinge component (3) is mounted in the mounting hole (21), the seat hinge component (3) is abutted to the annular flange (211) through a diamond-shaped elastic buckle (7) so that the seat hinge component (3) is axially fixed.

2. The hinge structure for a toilet lid plate according to claim 1, wherein: a sealing cavity (34) used for containing damping oil is formed between the oil core part (32) and the oil core sleeve (33), a partition layer block (330) protruding towards the radial direction of the oil core sleeve is arranged on the inner side wall of the oil core sleeve (33), the sealing cavity (34) is divided into a first cavity (341) and a second cavity (342) by the partition layer block (330), a shaft hole (331) capable of being matched with the oil core part (32) is formed in the middle of the partition layer block (330) in a penetrating mode, and the oil core part (32) penetrates through the shaft hole (331) and then is fixedly connected with the limiting column (5) in an ultrasonic welding mode.

3. The hinge structure for a toilet lid plate according to claim 2, wherein: the inner side wall of the oil core sleeve (33) is oppositely provided with a gear block (332) which is positioned in the first cavity (341) and extends along the axial direction of the oil core sleeve (33), the peripheral surface of the oil core part (32) is oppositely provided with ribs (321) extending along the axial direction of the oil core part, and the gear block (332) and the ribs (321) are staggered and separated during assembly, so that the cover plate (2) can be linked with the gear block (332) of the oil core sleeve (33) to be abutted against the ribs (321) of the oil core part (32) in the rotating process.

4. The hinge structure for a toilet lid plate according to claim 3, wherein: the rib (321) is nested with a blade (322), and the rib (321) on the oil core part (32) is in contact with the inner side wall of the first cavity (341) through the blade (322).

5. The hinge structure for a toilet lid plate according to claim 3, wherein: seat hinge subassembly (3) still including adjusting nut (6), be provided with on second cavity (342) inner wall with adjusting nut (6) looks adaptation's internal thread, adjusting nut (6) are including insert portion (61) and screw portion (62), be provided with on insert portion (61) and keep away dead slot (611), the periphery of screw portion (62) is provided with the external screw thread, work as screw portion (62) through the external screw thread with during female connection on second cavity (342) keep away dead slot (611) cover and locate the periphery of gear piece (332).

6. The hinge structure for a toilet lid plate according to claim 1, wherein: the circumferential surface of the seat hinge part (31) is provided with a containing hole (311) for inserting the connecting column (11), the connecting column (11) is inserted in the containing hole (311) and then connected through a buckle mechanism (4), the buckle mechanism (4) comprises a buckle piece (41), an annular inserting block (411) is arranged on the buckle piece (41), a first containing groove (313) which is communicated with the containing hole (311) and is used for inserting the annular inserting block (411) is arranged on the end surface of the seat hinge part (31), the buckle piece (41) is inserted in the first containing groove (313) through the annular inserting block (411), a first notch (412) is arranged at the inserting end of the annular inserting block (411), a convex rib (413) which protrudes inwards is arranged at the inner side of the annular inserting block (411) close to the first notch (412), and a clamping groove (111) for clamping the convex rib (413) is formed in the circumferential surface of the connecting column (11), one end of the connecting column (11) is inserted into the annular insertion block (411) through the accommodating hole (311) and is clamped with the convex rib (413) through the clamping groove (111).

7. The hinge structure for a toilet lid plate according to claim 6, wherein: the clamping piece (41) is symmetrically provided with strip-shaped inserting blocks (42), the end face of the seat hinge portion (31) is provided with a second accommodating groove (314) for the strip-shaped inserting blocks (42) to be inserted correspondingly, the inserting ends of the strip-shaped inserting blocks (42) are provided with first clamping hooks (421), the second accommodating groove (314) is internally provided with second clamping hooks (315), and the strip-shaped inserting blocks (42) are mutually buckled with the second clamping hooks (315) in the second accommodating groove (314) through the first clamping hooks (421).

8. The hinge structure for a toilet lid plate according to any one of claims 1 to 7, wherein: the peripheral surface of the seat hinge part (31) is provided with a third accommodating groove (316), the third accommodating groove (316) is used for accommodating the rhombic elastic buckle (7), the rhombic elastic buckle (7) comprises a seat part (71), an elastic part (72) and a lead-in part (73), one side of the seat part (71) is fixedly connected with the elastic part (72), the other side of the seat part (71) is fixedly connected with the lead-in part (73), and the lead-in part (73) of the rhombic elastic buckle (7) is led into the mounting hole (21) from outside to inside along the axis direction of the mounting hole (21) during assembly, so that the lead-in part (73) can be abutted against the annular flange (211) in the axis direction of the mounting hole (21).

9. The hinge structure for a toilet lid plate according to claim 8, wherein: rhombus elasticity is detained (7) and is still including fixed the setting the dismantlement portion (74) of seat (71) side, the fixed cover in periphery of seat hinge portion (31) is equipped with sleeve (8), the global confession that is provided with of sleeve (8) through-hole (81) that spliced pole (11) passed, the assembly back dismantlement portion (74) are in under the elastic action of elastic component (72), dismantlement portion (74) are to sleeve (8) be close to in on the inside wall of through-hole (81).

10. The hinge structure for a toilet lid plate according to claim 9, wherein: the elastic part (72) is divided into a first elastic part (721) and a second elastic part (722), the first elastic part (721) and the second elastic part (722) are bent oppositely to form a rhombus shape, and the first elastic part (721) and the second elastic part (722) are arranged at intervals to form a second notch (723) in the elastic part (72).