阅读说明：本技术 一种装配式吊顶装饰板 (Assembled furred ceiling decorative board ) 是由 浦强松 陶爽 于 2020-04-08 设计创作，主要内容包括：本发明公开了一种装配式吊顶装饰板,包括装饰面板,用于配合连接于吊板下方,吊板下端设有通槽,通槽两侧的内壁上相对设有凹槽,凹槽内上端固定设有弧形凸块,装饰面板背面上的两端固定设有卡扣机构,卡扣机构包括有竖板、弹簧伸缩杆、定位板、磁性块、铰接机构,通过手动按压定位板,以可压缩弹簧伸缩杆,以可使卡扣机构向上穿入通槽内,定位板继续向上穿入凹槽时,通过弹簧伸缩杆弹性力,以可朝外推动定位板卡合于凹槽内,通过继续向上推动装饰面板,可使定位板向上接触到弧形凸块,以使定位板下端转向并与磁性块接触吸合,以使两侧的定位板呈倒八字型,从而定位板可沿通槽向下滑出,以实现拆卸装饰面板。(The invention discloses an assembled ceiling decorative plate, which comprises a decorative panel, wherein the decorative panel is used for being connected below a hanging plate in a matching way, the lower end of the hanging plate is provided with a through groove, the inner walls at the two sides of the through groove are relatively provided with grooves, the upper end in the groove is fixedly provided with an arc-shaped convex block, the two ends on the back surface of the decorative panel are fixedly provided with buckle mechanisms, each buckle mechanism comprises a vertical plate, a spring telescopic rod, a positioning plate, a magnetic block and a hinge mechanism, the spring telescopic rod can be compressed by manually pressing the positioning plate, so that the buckle mechanism can penetrate into the through groove upwards, when the positioning plate continuously penetrates into the groove upwards, the elastic force of the spring telescopic rod can push the positioning plate to be clamped in the groove outwards, the positioning plate can be contacted with the arc-shaped convex block upwards by continuously pushing the decorative panel upwards, thereby the locating plate can follow logical groove roll-off downwards to the decoration panel is dismantled in the realization.)

1. An assembled furred ceiling decorative board, can assemble in the hanger plate below, its characterized in that includes:

the decorative panels can be connected below the hanging plates in a matched mode, the hanging plates are vertically fixed on the roof, a plurality of hanging plates are arranged in an arrayed mode, and the hanging plates are parallel to one another;

the lower end of the hanging plate is provided with a through groove, and the grooves are oppositely arranged on the inner walls of two sides of the through groove;

the arc-shaped convex block is fixedly arranged at the upper end in the groove;

buckle mechanism, fixed locating both ends on the decoration panel back include:

the vertical plate is vertically fixed on the back surface of the decorative panel;

the spring telescopic rods are vertically fixed on two sides of the vertical plate;

the positioning plate is provided with a hinge mechanism on one surface facing the vertical plate, and the positioning plate and one end of the spring telescopic rod, which is far away from the vertical plate, are hinged through the hinge mechanism;

the magnetic blocks are fixed on two sides of the vertical plate and used for attracting one end of the positioning plate close to the decoration panel in a contact manner, and when the magnetic blocks and the positioning plate are not in contact attraction, the elasticity of the spring telescopic rods to the positioning plate is larger than the attraction force of the magnetic blocks to the positioning plate;

the positioning plate can be compressed by pressing the spring telescopic rod, so that the buckling mechanism can upwards penetrate into the through groove, when the positioning plate continues to upwards penetrate into the groove, the positioning plate is pushed by the spring telescopic rod to be clamped in the groove so as to limit the decorative panel to downwards slide out, and the decorative panel is continuously upwards pushed so that the positioning plate can be contacted with the arc-shaped convex block, so that the upper end surface of the positioning plate slides and unfolds along the arc surface of the arc-shaped convex block, so that the lower end of the positioning plate turns and is contacted and attracted with the magnetic block, so that the positioning plates on two sides are in an inverted splayed shape, and the buckling mechanism can downwards slide out along the through groove.

2. An assembled ceiling trim panel according to claim 1, wherein the channel and the recess extend transversely across the entire lower end of the panel.

3. An assembled ceiling decorative panel according to claim 2, wherein the positioning plate is movably provided with a plurality of balls near the bottom end of the decorative panel, so that the positioning plate can slide along the inner wall of the groove transversely through the balls.

4. The fabricated ceiling trim panel of claim 1, wherein the bottom end surface of the positioning plate near the trim panel is designed to be an inclined surface and is inclined downward in a direction away from the vertical plate.

5. The assembled suspended ceiling decorative board of claim 1, wherein the hinge mechanism comprises a fixing block, a rotating shaft and a limiting block, the fixing block is fixed on one side of the positioning plate, the rotating shaft penetrates through the fixing block and can rotate along the axial direction of the fixing block, one end of the rotating shaft, which penetrates out of the fixing block, is fixedly connected to the spring telescopic rod, and the other end of the rotating shaft is fixedly connected to the limiting block for limiting.

6. An assembled ceiling decorative panel according to claim 1, wherein the upper end surface of the positioning plate away from the decorative panel is designed to be an arc convex surface, and the arc convex surface and the arc convex block are matched so that the upper end surface of the positioning plate can be unfolded in a sliding manner along the arc surface of the arc convex block.

7. A fabricated ceiling trim panel according to claim 1, wherein the snap mechanism is provided at a location intermediate the ends on the back surface of the trim panel.

8. An assembled ceiling decorative panel according to claim 1, wherein a damping gasket is attached and fixed on the inner wall of the through groove to increase the friction force of the positioning plate sliding along the through groove.

Technical Field

The invention relates to the technical field of architectural decoration, in particular to an assembled ceiling decorative plate.

Background

The assembled ceiling decorative plate is a material for a ceiling in building decoration, is generally installed by matching with a hanging plate and a keel frame, has a structure similar to that of a buckle plate used for a traditional ceiling, has a single installation mode, generally needs to fix the hanging plate and the keel frame on a roof in sequence when a ceiling is installed, then sequentially presses and buckles the ceiling decorative plate in the keel frame, is buckled with the keel frame through a buckle at the edge of the ceiling decorative plate, is troublesome to operate, needs to be strictly matched with the ceiling decorative plate and the keel frame, wastes time and has low working efficiency when being installed, in addition, needs to pry open a sheet-shaped hard object along a gap between the ceiling decorative plates to remove the ceiling decorative plate, is labor-consuming to operate, is particularly for non-professional persons, has larger difficulty in dismounting, and is not beneficial to the cleaning or maintenance of the ceiling decorative plate above the house daily, on the other hand is because the dismouting degree of difficulty is great, and decorative board apolegamy scope only be in with the scope of the single adaptation of fossil fragments frame to the interest that leads to the spontaneous participation furred ceiling design of customer, build is not high, thereby is unfavorable for promoting on a large scale of furred ceiling decorative board product.

Disclosure of Invention

In view of this, the invention aims to design an assembled ceiling decorative board so as to achieve the effects of convenient assembly and disassembly and better adaptability.

The invention designs a fabricated ceiling decorative board based on the aim, which comprises:

the decorative panel can be connected below the hanging plates in a matching way, the hanging plates are vertically fixed on the roof, a plurality of hanging plates are arranged, and the hanging plates are parallel to each other;

the lower end of the hanging plate is provided with a through groove, and the grooves are oppositely arranged on the inner walls at two sides of the through groove;

the arc-shaped convex block is fixedly arranged at the upper end in the groove;

buckle mechanism fixes the both ends of locating on the decoration panel back, includes:

the vertical plate is vertically fixed on the back surface of the decoration panel;

the spring telescopic rods are vertically fixed on two sides of the vertical plate;

the side, facing the vertical plate, of the positioning plate is provided with a hinge mechanism, and the positioning plate and one end, far away from the vertical plate, of the spring telescopic rod are hinged through the hinge mechanism;

the magnetic blocks are fixed on two sides of the vertical plate and are used for contacting one end of the attraction positioning plate close to the decoration panel, and when the magnetic blocks and the positioning plate are not in contact attraction, the elasticity of the spring telescopic rods to the positioning plate is larger than the attraction force of the magnetic blocks to the positioning plate;

through pressing the locating plate, with the compressible spring telescopic link, can make buckle mechanism upwards penetrate logical inslot, when the locating plate continues upwards to penetrate the recess, promote the locating plate through the spring telescopic link, so as to make the locating plate block in the recess, with the downward roll-off of restriction decoration panel, through continuing upwards to promote the decoration panel, can make locating plate contact arc lug, so that the cambered surface slip of arc lug is expanded along the up end of locating plate, so that the locating plate lower extreme turns to and contacts the actuation with the magnetic block, so that the locating plate of both sides is the eight characters type of falling, so that buckle mechanism can follow logical groove roll-off downwards.

Preferably, the through groove and the groove penetrate through the lower end of the whole hanging plate along the transverse direction.

Preferably, the bottom end of the positioning plate close to the decoration panel is movably provided with a plurality of balls, so that the positioning plate can transversely slide along the inner wall of the groove through the balls.

Preferably, the bottom end face of the positioning plate close to the decoration panel is designed to be an inclined face and inclines downwards along the direction far away from the vertical plate.

Preferably, the hinge mechanism comprises a fixing block, a rotating shaft and a limiting block, the fixing block is fixed on one side of the positioning plate, the rotating shaft penetrates through the fixing block and can rotate along the axial direction of the fixing block, one end of the rotating shaft, which penetrates out of the fixing block, is fixedly connected to the spring telescopic rod, and the other end of the rotating shaft is fixedly connected with the limiting block and used for limiting.

Preferably, the upper end face of the positioning plate far away from the decoration panel is designed to be an arc-shaped convex face, and the arc-shaped convex face is matched with the arc-shaped convex block, so that the upper end face of the positioning plate can slide and unfold along the arc face of the arc-shaped convex block.

Preferably, the fastening mechanism is provided at a middle position of both ends on the back surface of the decorative panel.

Preferably, the inner wall of the through groove is fixedly provided with a damping gasket in a fitting manner so as to increase the sliding friction force of the positioning plate along the through groove.

As can be seen from the above, the assembled ceiling decorative board designed by the invention is provided with the decorative panel for being matched and connected below the hanging plate, the lower end of the hanging plate is provided with the through groove, the inner walls at the two sides of the through groove are relatively provided with the grooves, the upper ends in the grooves are fixedly provided with the arc-shaped convex blocks, the two ends on the back surface of the decorative panel are fixedly provided with the buckling mechanisms, each buckling mechanism comprises a vertical plate, a spring telescopic rod, a positioning plate, a magnetic block and a hinge mechanism, wherein the spring telescopic rods are vertically fixed at the two sides of the vertical plate and can elastically stretch towards the vertical plate, the positioning plate and the spring telescopic rods are hinged through the hinge mechanism so as to enable the positioning plate to freely turn relative to the vertical plate, the magnetic blocks are fixed at the two sides of the vertical plate and are used for contacting and attracting one end of the, the positioning plate is pressed manually, the spring telescopic rod is compressed, the buckling mechanism can penetrate into the through groove upwards, the inner wall of the through groove is limited, the positioning plate can be limited to freely turn, the positioning plate can be parallel to the vertical plate, when the magnetic block and the positioning plate are not contacted and attracted, the elastic force of the spring telescopic rod to the positioning plate is greater than the attraction force of the magnetic block to the positioning plate, the magnetic block and the positioning plate are in a non-contact state, when the positioning plate continues to penetrate into the groove upwards, the magnetic block and the positioning plate are in a non-contact state, and the elastic force of the spring telescopic rod to the positioning plate is greater than the attraction force of the magnetic block to the positioning plate, so that the positioning plate can be pushed to be clamped in the groove outwards through the elastic force of the spring telescopic rod, and the positioning plate can turn and unfold into a splayed shape due to the action of self gravity, thereby, the decorative panel is pushed upwards continuously, the positioning plate can be contacted with the arc-shaped convex block upwards, so that the upper end surface of the positioning plate slides and unfolds along the arc surface of the arc-shaped convex block, the lower end of the positioning plate is rotated and is contacted and attracted with the magnetic block, the positioning plates on two sides are in the inverted splayed shape, and the lower end of the positioning plate can penetrate into the through groove downwards, so that the positioning plate can slide out downwards along the through groove, so as to realize the disassembly of the decorative panel, compared with the traditional disassembly and assembly mode, the invention realizes the disassembly and assembly of the decorative panel by pressing the decorative panel twice, has simple and labor-saving operation, improves the working efficiency, is particularly suitable for non-professional persons, is more convenient for daily cleaning or maintenance above the decorative panel, and simultaneously, because the disassembly and assembly are simple and richer, and because the buckling mechanisms are arranged at two ends on the back surface of the decorative panel, thereby need strict adaptation for traditional buckle and fossil fragments frame, increased the suitability of decoration panel to do benefit to promoting the enthusiasm of customer's autonomic design and promoting on a large scale of furred ceiling decorative board product.

Drawings

FIG. 1 is a schematic structural view of a positioning plate according to an embodiment of the present invention in a state of penetrating into or out of a through-groove;

FIG. 2 is a schematic structural view illustrating a positioning plate engaged with a recess according to an embodiment of the present invention;

FIG. 3 is a schematic structural view illustrating a positioning plate abutting against an arc-shaped protrusion according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of the positioning plate attracting the magnetic block to pass through the through slot in the embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A of FIG. 2 according to an embodiment of the present invention;

fig. 6 is a front view of a trim panel and hanger plate of an embodiment of the present invention.

In the figure: the decorative panel 1, the hanger plate 2, the through groove 3, the groove 4, the arc-shaped bump 5, the buckling mechanism 6, the vertical plate 61, the spring telescopic rod 62, the positioning plate 63, the magnetic block 64, the hinge mechanism 65, the fixing block 651, the rotating shaft 652 and the limiting block 653.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.

An assembled ceiling decorative plate is shown in figures 1 to 6 and comprises a decorative panel 1 which can be connected below a hanging plate 2 in a matching way, the hanging plate 2 is vertically fixed on a roof, a plurality of hanging plates 2 are arranged in parallel, the lower ends of the hanging plates 2 are provided with through grooves 3, the inner walls of two sides of each through groove 3 are relatively provided with grooves 4, the upper ends in the grooves 4 are fixedly provided with arc-shaped convex blocks 5, two ends on the back surface of the decorative panel 1 are fixedly provided with buckling mechanisms 6, each buckling mechanism 6 comprises a vertical plate 61, a spring telescopic rod 62, a positioning plate 63, a magnetic block 64 and a hinge mechanism 65, the vertical plate 61 is vertically fixed on the back surface of the decorative panel 1, the spring telescopic rod 62 is vertically fixed on two sides of the vertical plate 61, one surface of the positioning plate 63 facing the vertical plate 61 is provided with the hinge mechanism 65, one ends of the positioning plate 63, the magnetic blocks 64 are fixed on two sides of the vertical plate 61 and are used for contacting and attracting one end of the positioning plate 63 close to the decoration panel 1, when the magnetic blocks 64 and the positioning plate 63 are not contacted and attracted, the elastic force of the spring telescopic rod 62 to the positioning plate 63 is greater than the attraction force of the magnetic blocks 64 to the positioning plate 63, the spring telescopic rod 62 can be compressed by pressing the positioning plate 63, the buckling mechanism 6 can upwards penetrate into the through groove 3, when the positioning plate 63 continuously upwards penetrates into the groove 4, the positioning plate 63 is pushed by the spring telescopic rod 62, so that the positioning plate 63 can be clamped in the groove 4 to limit the decoration panel 1 to downwards slide out, the positioning plate 63 can be contacted with the arc-shaped convex block 5 by continuously upwards pushing the decoration panel 1, so that the upper end surface of the positioning plate 63 slides and unfolds along the arc-shaped surface of the arc-shaped convex block 5, so that the lower end, so that the catch means 6 can slide out down the through slot 3.

The invention is provided with a decoration panel 1 which is used for being matched and connected below a hanging panel 2, the lower end of the hanging panel 2 is provided with a through groove 3, the inner walls of two sides of the through groove 3 are relatively provided with grooves 4, the upper end in the groove 4 is fixedly provided with an arc-shaped convex block 5, two ends on the back surface of the decoration panel 1 are fixedly provided with a buckling mechanism 6, the buckling mechanism 6 comprises a vertical plate 61, a spring telescopic rod 62, a positioning plate 63, a magnetic block 64 and a hinge mechanism 65, wherein the spring telescopic rod 62 is vertically fixed on two sides of the vertical plate 61 so as to be elastically telescopic towards the vertical plate 61, the positioning plate 63 and the spring telescopic rod 62 are hinged through the hinge mechanism 65 so as to enable the positioning plate 63 to freely turn relative to the vertical plate 61, the magnetic block 64 is fixed on two sides of the vertical plate 61 and is used for contacting and attracting one end of the positioning plate 63 close to the decoration panel, the positioning plate 63 is pressed manually, the spring telescopic rod 62 can be compressed, the buckling mechanism 6 can penetrate into the through groove 3 upwards, the positioning plate 63 can be limited to freely rotate due to the limitation of the inner wall of the through groove 3, so that the positioning plate 63 is parallel to the vertical plate 61, and when the magnetic block 64 and the positioning plate 63 are not contacted and attracted, the elastic force of the spring telescopic rod 62 to the positioning plate 63 is greater than the attraction force of the magnetic block 64 to the positioning plate 63, so that the magnetic block 64 and the positioning plate 63 are not contacted, when the positioning plate 63 continues to penetrate into the groove 4 upwards, the elastic force of the spring telescopic rod 62 to the positioning plate 63 is greater than the attraction force of the magnetic block 64 to the positioning plate 63, so that the positioning plate 63 can be pushed outwards to be clamped in the groove 4 through the elastic force of the spring telescopic rod 62, and the positioning plate 63 can rotate and unfold to be in a splayed shape due to the, therefore, the decorative panel is clamped in the groove 4, the effect of stabilizing and limiting the decorative panel 1 to slide downwards is achieved, the positioning plate 63 can be upwards contacted with the arc-shaped convex block 5 by continuously upwards pushing the decorative panel 1, the upper end surface of the positioning plate 63 can slide and expand along the arc surface of the arc-shaped convex block 5, the lower end of the positioning plate 63 is rotated and is contacted and attracted with the magnetic block 64, the positioning plates 63 on two sides are in an inverted splayed shape, the lower end of the positioning plate 63 can downwards penetrate into the through groove 3, the positioning plate 63 can downwards slide out along the through groove 3, the decorative panel 1 is disassembled, and therefore, compared with the traditional assembling and disassembling mode, the decorative panel 1 is assembled and disassembled by pressing the decorative panel 1 twice, the operation is simple and labor-saving, the working efficiency is improved, and particularly for non-professional persons, the daily cleaning or maintenance of the upper part of the, simultaneously, because the dismouting is simple and more rich in taste, and because buckle mechanism 6 locates the both ends on the decoration panel 1 back, to the decoration panel 1 of unidimensional not, only need be equipped with the buckle mechanism 6 of 2 intervals of cooperation hanger plates can to need strict adaptation for traditional buckle and keel frame, increased decoration panel 1's suitability, thereby in order to do benefit to promoting the enthusiasm that the customer independently designed and promoting on a large scale of furred ceiling decorative board product.

In the embodiment of the invention, the through groove 3 and the groove 4 transversely penetrate through the lower end of the whole hanging plate 2, therefore, the positioning plate 63 is clamped in the groove 4, so that the effect of stabilizing and limiting the downward sliding of the decoration panel 1 is realized, and meanwhile, the positioning plate 63 can transversely and freely slide along the bottom wall in the groove 4, so that on one hand, the decoration panel 1 can be installed from one end and sequentially transversely slide and spread, so as to further improve the installation efficiency and the interestingness, and on the other hand, the size of the decoration panel 1 in the transverse sliding direction can be freely matched, so that the adaptability and the designability are further improved.

In the embodiment of the present invention, the positioning plate 63 has a plurality of balls movably disposed at the bottom end close to the decorative panel 1, so that the positioning plate 63 can slide along the inner wall of the groove 4 by the balls, which is beneficial to improving the sliding efficiency.

In the embodiment of the present invention, the bottom end surface of the positioning plate 63 close to the decoration panel 1 is designed as an inclined surface, and inclines downward along the direction away from the vertical plate 61, so that the positioning plate 63 is engaged in the groove 4, and under the action of its own gravity, when the positioning plate 63 is rotated and unfolded, the inclined surface can be engaged with the inner bottom wall of the groove 4, thereby achieving the effect of further improving the stable engagement.

In the embodiment of the present invention, the hinge mechanism 65 includes a fixing block 651, a rotating shaft 652 and a limiting block 653, the fixing block 651 is fixed at one side of the positioning plate 63, the rotating shaft 652 penetrates through the fixing block 651 and can rotate along the axial direction of the fixing block 651, one end of the rotating shaft 652 penetrating through the fixing block 651 is fixedly connected to the spring telescopic rod 62, and the other end of the rotating shaft 652 is fixedly connected to the limiting block 653 for limiting, so as to prevent the rotating shaft 652 from separating from the fixing block 651, thereby realizing that the positioning plate 63 can freely rotate.

In the embodiment of the present invention, the upper end surface of the positioning plate 63 away from the decorative panel 1 is designed to be an arc-shaped convex surface, and the arc-shaped convex surface is matched with the arc-shaped protrusion 5, so that the upper end surface of the positioning plate 63 can be conveniently unfolded along the arc surface of the arc-shaped protrusion 5 in a sliding manner.

In the embodiment of the present invention, the fastening mechanism 6 is disposed at the middle position of the two ends on the back surface of the decoration panel 1, so as to facilitate the uniform stress of the decoration panel 1.

In the embodiment of the invention, the damping shim is attached and fixed on the inner wall of the through groove 3 to increase the sliding friction force of the positioning plate 63 along the through groove 3, so that the damping is provided when the positioning plate 63 slides out along the through groove 3.

In the assembled ceiling decorative plate disclosed by the invention, the decorative panel 1 is arranged and is used for being matched and connected below the hanging plate 2, the lower end of the hanging plate 2 is provided with the through groove 3, when the assembled ceiling decorative plate is used, the positioning plate 63 is manually pressed to compress the spring telescopic rod 62 so as to enable the buckling mechanism 6 to upwards penetrate into the through groove 3, the positioning plate 63 is parallel to the vertical plate 61 due to the limit of the inner wall of the through groove 3, the magnetic block 64 and the positioning plate 63 are in a non-contact state, when the positioning plate 63 continuously upwards penetrates into the groove 4, the positioning plate 63 is pushed outwards to be buckled in the groove 4 through the elastic force of the spring telescopic rod 62, and the positioning plate 63 can be rotated and unfolded to be in a splayed shape due to the self gravity effect, so that the effect of being clamped in the groove 4 is achieved, the effect of stabilizing and limiting the downward sliding-out of the decorative panel, so that the upper end surface of the positioning plate 63 slides and unfolds along the arc surface of the arc-shaped convex block 5, so that the lower end of the positioning plate 63 turns and contacts and attracts with the magnetic block 64, so that the positioning plates 63 on both sides are inverted splayed, thereby the lower end of the positioning plate 63 can penetrate into the through groove 3 downwards, so that the positioning plate 63 can slide out downwards along the through groove 3, so as to realize the disassembly of the decoration panel 1, wherein the through groove 3 and the groove 4 transversely penetrate through the lower end of the whole hanging plate 2, therefore, when the positioning plate 63 is clamped in the groove 4, the positioning plate 63 can freely slide transversely along the inner bottom wall of the groove 4, and the bottom end of the positioning plate 63 close to the decoration panel 1 is movably provided with a plurality of balls, so that the positioning plate 63 can transversely slide along the inner wall of the groove 4 through the balls, the bottom end surface of the positioning plate 63 close to the decoration, wherein, hinge mechanism 65 includes fixed block 651, pivot 652, stopper 653, in order to realize that the relative riser 61 of locating plate 63 can freely turn to, the up end design that decorative panel 1 was kept away from to locating plate 63 is the arc convex surface, arc convex surface and arc lug 5 cooperate, so that the cambered surface slip of arc lug 5 is followed to the up end of locating plate 63 expandes, buckle mechanism 6 locates the intermediate position at the both ends on the decorative panel 1 back, in order to do benefit to the even atress of decorative panel 1, the laminating is fixed with the damping gasket on leading to groove 3 inner wall, in order to increase locating plate 63 along leading the gliding frictional force of groove 3, in order to do benefit to locating plate 63 and provide the damping when.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.