Sound gate type invisible access hole device for gymnasium wall body

Abstract

The invention provides a gymnasium wall sound gate type invisible access hole device which structurally comprises a fusion layer, a positioning frame, an empty groove, a contact wall, a groove, a positioning block and a novel opening and closing structure, the fusion layer and the positioning frame are integrated, the empty groove penetrates through the surface of the positioning frame to expose the contact wall and the groove, and the positioning block is installed at the upper position and the lower position of the positioning frame to be communicated with the groove; on the basis of a novel opening and closing structure, two magnetic attraction blocks on a sound insulation plate are embedded into a groove and are overlapped with a contact wall in parallel, and then a control structure is combined with a sliding rail to drive a rubber block to slide, so that the rubber block is embedded into a positioning block to be fixed; therefore, the process of facilitating opening and closing and replacing original locking of a plurality of bolts on the edge can be effectively formed, the phenomenon of thread disengagement is completely avoided, the service life of the device is prolonged, and then a folding cover connected to the lower portion of a shifting block of the control structure can cover the surface of a sliding rail when the shifting block slides up and down. And an over-conspicuous area is avoided.

Description

Technical Field

[0001] This invention relates to the field of concealed access panels in walls, and more specifically to a sound-lock type concealed access panel device for gymnasium walls. Background Technology

[0002] The sound-lock type concealed access panel for gymnasium walls, also known as a high-grade soundproof concealed access door for gymnasium walls, can be installed by matching the panel material, color, and texture (such as sound-absorbing panels, gypsum board, metal panels, etc.) to the surrounding walls and using magnetic attraction to achieve a concealed effect. Then, the sound-lock type sound insulation property can prevent sound leakage from the gymnasium through the access panel, thus effectively ensuring the normal existence and use of the access panel in the gymnasium wall. Thus, the current inspection port device can effectively improve the efficiency of later maintenance of the stadium walls, avoiding the phenomenon of increased maintenance cycle due to the complex internal structure of the walls, which would interfere with the events and activities. In summary, the inventors have found that existing concealed access panel devices have the following main defects: Because the edges of current concealed access panel devices are usually secured with multiple bolts, opening them requires disassembling these bolts and then using a magnetic closure, leading to inconvenience and reducing the ease of use. Furthermore, the use of multiple bolts and threaded grooves makes frequent disassembly prone to reducing the precision of the threaded grooves, potentially causing thread stripping and rendering the device unusable, resulting in a non-seamless seal when closed. Summary of the Invention

[0003] The technical solution adopted by the present invention to achieve the technical objective is: a sound-lock type invisible inspection port device for gymnasium walls, the structure of which includes: a fusion layer, a positioning frame, a slot, a contact wall, a groove, a positioning block, and a novel opening and closing structure. The fusion layer and the positioning frame are integrated, and the surface of the positioning frame is penetrated by the slot, exposing the contact wall and the groove, and allowing the positioning block to be installed at the upper and lower positions of the positioning frame and communicating with the groove. The novel opening and closing structure is embedded and assembled through the slot, the contact wall, and the groove.

[0004] As a further improvement of the present invention, the novel opening and closing structure is provided with a magnetic block. One end of the magnetic block is welded to the upper and lower back ends of the sound insulation board, and rubber blocks are mounted on the upper and lower ends of the sound insulation board. A slide rail is opened on the surface of the sound insulation board to allow the control structure to be embedded and control the rubber blocks.

[0005] As a further improvement of the present invention, the control structure is also provided with a toggle block, a vertical rod is connected in the toggle block, a connecting plate is mounted on the upper end of the vertical rod and a center block is connected in the center, a locking bolt is connected at the edge of the connecting plate, and a folding cover is connected at the other end of the toggle block.

[0006] As a further improvement of the present invention, the sound insulation plate with the novel opening and closing structure uses a magnetic block to embed into the contact wall position so that the rubber block is aligned with the groove position. Then, combined with the control structure sliding up and down at the slide rail position, the rubber block is embedded in the groove and the positioning block for assembly. At the same time, the folding cover of the control structure covers the slide rail surface.

[0007] As a further improvement of the present invention, the fusion layer surface of the positioning frame is parallel and the empty groove of the positioning frame matches the shape of the novel opening and closing structure. The contact wall is made of metal and the groove and positioning block are set in a symmetrical orientation.

[0008] As a further improvement of the present invention, the magnetic block is parallel to the contact wall and the sound insulation plate covers the surface of the slot, the slide rail is opened in a vertical direction and the control structure drives the rubber block to slide up and down.

[0009] As a further improvement of the present invention, the vertical rod of the lever is solid and perpendicular to the connecting plate, the central block of the connecting plate is protruding and the locking bolts at both ends are set in a symmetrical orientation, and the folding cover is made of rubber and has folding texture.

[0010] As a further improvement of the present invention, the block is provided with a slot, the slot is opened at the center of the surface of the block and a fixing groove is also opened at the lower end of the block, a plate is welded to the back of the block and a splicing clip is provided at the upper end of the plate.

[0011] As a further improvement of the present invention, the slot is recessed and the fixing groove at the lower end of the block allows the end of the folding cover to be embedded and positioned. The flat plate and the block form a "T" shape and the upper end is perpendicular to the splicing clip.

[0012] As a further improvement of the present invention, the splicing sleeve is also provided with a locking groove, which is opened at the edge of the sleeve body. The center of the sleeve body has a clamping groove that extends to the support block connected to the lower end, and the lower end of the support block is also connected to an adsorption plate.

[0013] As a further improvement of the present invention, the locking groove is provided in three places on the edge of the sleeve and equipped with bolts of corresponding size. The sleeve is square in shape and perpendicular to the lower support block. The clamping groove is opened in a vertical direction and communicates with the adsorption plate.

[0014] As a further improvement of the present invention, the slot position is further provided with a first protrusion and a second protrusion. The first protrusion and the second protrusion are symmetrically distributed and both are connected to a connecting block on their backs. The upper end of the second protrusion is connected to a pull block, and an adsorption block is provided on the upper end of the pull block. A pull groove is also opened on the back of the pull block.

[0015] As a further improvement of the present invention, the first protrusion and the second protrusion are detachably connected by being embedded in the slot through a connecting block, and the pull block on the second protrusion slides up and down through the top adsorption block and the slide rail position so that the lower end of the protrusion is embedded in the adsorption block for splicing.

[0016] As a further improvement of the present invention, a solid block is also provided at the position where the connecting block overlaps with the inner wall of the slot. A rubber rod is connected to the center of the parallel layer surface of the solid block and a magnetic suction plate is mounted on the edge.

[0017] As a further improvement of the present invention, the solid block is rectangular in shape and three rubber rods are provided on the parallel layer of the surface and set in a lateral direction. The magnetic plate is square in shape and is distributed at the edge of the solid block and in contact with the inner edge of the slot.

[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention is based on a novel opening and closing structure. Two magnetic blocks on the sound insulation plate are embedded in the groove and overlap with the contact wall. Then, the control structure combined with the slide rail drives the rubber block to slide, so that it is embedded in the positioning block to achieve fixation. This effectively forms a process that is easy to open and close and replaces the original multiple bolts locking the edge. It completely avoids the occurrence of thread stripping and extends the service life of the device. Furthermore, the folding cover connected to the control structure under the lever can cover the surface of the slide rail when the lever slides up and down, avoiding the appearance of an overly conspicuous area.

[0019] 2. The improved version of the push block allows for convenient control of the rubber block's up-and-down sliding via slots on the block. Simultaneously, the flat plate within the block, forming a "T" shape with the push block, can be stably embedded in the slide rail for sliding. The included splicing sleeve, combined with the clamping groove and support block, allows the lower end of the vertical rod to be inserted. Finally, the locking groove on the sleeve edge is used for bolt locking, ensuring the overall component connection is secure and preventing detachment during use.

[0020] 3. Based on the newly added protrusion one and protrusion two at the slot position of the toggle block, the connecting blocks carried on the two sets of protrusions can be respectively embedded into the slots of the two toggle blocks. Then, combined with the insertion of the rubber rod to increase friction and the magnetic adsorption plate to achieve a stable connection effect, it avoids falling off when pulled. At the same time, when the two toggle blocks of the control structure are close together, the adsorption block set on the top of the pull block on protrusion two will be embedded in the bottom of the upper toggle block to form a mutual connection effect. Then, the sound insulation plate can be pulled outward by using the pull groove of the pull block, so as to achieve the effect of quickly opening the maintenance port. Attached Figure Description

[0021] Figure 1This is a structural diagram of a type of invisible access panel for soundproofing in gymnasium walls.

[0022] Figure 2 This is a three-dimensional structural diagram of a novel improved opening and closing structure.

[0023] Figure 3 This is a cross-sectional schematic diagram of a control structure improvement.

[0024] Figure 4 This is a schematic diagram of a three-dimensional structure of an improved paddle.

[0025] Figure 5 This is a schematic diagram of a three-dimensional structure of an improved splicing jacket.

[0026] Figure 6 This is a three-dimensional structural diagram of a component added to a slot location.

[0027] Figure 7 This is a cross-sectional structural diagram of an improved connector end.

[0028] In the diagram: Fusion layer-1, positioning frame-2, empty groove-3, contact wall-4, groove-5, positioning block-6, new opening and closing structure-7; Magnetic block-71, sound insulation board-72, rubber block-73, slide rail-74, control structure-75; 751, vertical bar, connecting plate, center block, locking bolt, folding cover; Slot-7511, Block-7512, Fixing Slot-7513, Flat Plate-7514, Splicing Jacket-7515; Locking groove-5151, sleeve-5152, clamping groove-5153, support block-5154, adsorption plate-5155; Breast 1 - 5111, Breast 2 - 5112, Connecting block - 5113, Pulling block - 5114, Adsorption block - 5115, Pulling groove - 5116; Solid block-1131, parallel layer-1132, rubber rod-1133, magnetic plate-1134. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings: Example 1: Figures 1 to 5 As shown: This invention provides a soundproof, concealed access panel device for gymnasium walls. Its structure includes: a fusion layer 1, a positioning frame 2, a slot 3, a contact wall 4, a groove 5, a positioning block 6, and a novel opening and closing structure 7. The fusion layer 1 and the positioning frame 2 are integrated, and the surface of the positioning frame 2 is penetrated by the slot 3, exposing the contact wall 4 and the groove 5, and allowing the positioning block 6 to be installed at the upper and lower positions of the positioning frame 2 and communicate with the groove 5. The novel opening and closing structure 7 is embedded and assembled through the slot 3, the contact wall 4, and the groove 5.

[0030] The novel opening and closing structure 7 is provided with a magnetic block 71. One end of the magnetic block 71 is welded to the upper and lower back ends of the sound insulation board 72, and the upper and lower ends of the sound insulation board 72 are equipped with rubber blocks 73. The surface of the sound insulation board 72 has a slide rail 74 so that the control structure 75 can be embedded to control the rubber blocks 73.

[0031] The control structure 75 is further provided with a toggle block 751, a vertical rod 752 is connected to the toggle block 751, a connecting plate 753 is mounted on the upper end of the vertical rod 752 and a center block 754 is connected to the center, a locking bolt 755 is connected to the edge of the connecting plate 753, and a folding cover 756 is connected to the other end face of the toggle block 751.

[0032] In this process, the sound insulation plate 72 of the new opening and closing structure 7 uses the magnetic block 71 to be embedded in the contact wall 4 so that the rubber block 73 is aligned with the groove 5. Then, combined with the control structure 75 sliding up and down in the slide rail 74, the rubber block 73 is embedded in the groove 5 and the positioning block 6 for assembly. At the same time, the folding cover 756 of the control structure 75 covers the surface of the slide rail 74.

[0033] The fusion layer 1 of the positioning frame 2 has a parallel surface and the slot 3 of the positioning frame 2 matches the shape of the new opening and closing structure 7. The contact wall 4 is made of metal and the groove 5 and positioning block 6 are set in a symmetrical orientation.

[0034] The magnetic block 71 is parallel to the contact wall 4, and the sound insulation plate 72 covers the surface of the slot 3. The slide rail 74 is opened in a vertical position, and the control structure 75 drives the rubber block 73 to slide up and down.

[0035] The vertical rod 752 of the lever 751 is solid and perpendicular to the connecting plate 753. The central block 754 of the connecting plate 753 is protruding and the locking bolts 755 at both ends are set in a symmetrical position. The folding cover 756 is made of rubber and has folding texture.

[0036] The block 751 is provided with a slot 7511, which is located at the center of the surface of the block 7512. The lower end of the block 7512 is also provided with a fixing groove 7513. A flat plate 7514 is welded to the back of the block 7512, and a splicing clip 7515 is provided on the upper end of the flat plate 7514.

[0037] The slot 7511 is recessed, and the fixing groove 7513 at the lower end of the block 7512 allows the end of the folding cover 756 to be embedded and positioned. The flat plate 7514 and the block 7512 form a "T" shape, and the upper end is perpendicular to the splicing clip 7515.

[0038] The splicing sleeve 7515 is also provided with a locking groove 5151, which is opened at the edge of the sleeve body 5152. The center of the sleeve body 5152 has a clamping groove 5153 that extends to the support block 5154 connected to the lower end. The lower end of the support block 5154 is also connected to an adsorption plate 5155.

[0039] The locking groove 5151 is provided in three places on the edge of the sleeve 5152 and is equipped with bolts of corresponding size. The sleeve 5152 is square and perpendicular to the lower support block 5154. The clamping groove 5153 is opened in a vertical position and communicates with the adsorption plate 5155.

[0040] The specific functions and operation procedures of this embodiment are as follows: In this invention, the gymnasium wall sound-lock type invisible access device can be positioned by a positioning frame 2 of the same color and material as the gymnasium wall combined with a fusion layer 1. Then, the slot 3 is aligned with the access position. Subsequently, the contact wall 4, combined with the groove 5 and positioning block 6, allows the new opening and closing structure 7 to be inserted, achieving the effect of closing the access. Conversely, after the new opening and closing structure 7 is removed, the slot 3 is exposed, achieving the opening of the access. Then, the sound insulation plate 72 of the new opening and closing structure 7 can be embedded into the slot 3 by the cooperation of the upper and lower magnetic blocks 71 on the back surface, so that the magnetic blocks 71 will make parallel contact with the contact wall 4 and be positioned by magnetic attraction. Then, the sliding rail 74 on the sound insulation plate 72 and the control structure 75 are used to guide the device. The movable rubber block 73 slides out from inside the sound insulation plate 72 and enters the positioning block 6 through the groove 5, achieving a fixed closure. This replaces the inconvenience of locking with multiple bolts on the edge and the thread stripping caused by frequent disassembly, thus indirectly improving the service life and stability of the access device. Then, the two sets of levers 751 of the control structure 75, together with the connecting plate 753 at the upper end of the vertical rod 752 and the center block 754, position one end of the rubber block 73. Subsequently, it is locked by the locking bolts 755 at both ends. Thus, by moving the levers 751 up and down, the rubber block 73 can be disengaged from the groove 5 and the positioning block 6, completing the unlocking process. During this process, the folding cover 75 can also be moved. 6. Pulling the rubber product up and down allows the folding cover 756 to cover the continuously exposed area of ​​the slide rail 74, preventing an overly conspicuous area from compromising the concealed feature. Then, the block 7512 of the lever 751 can be manually inserted through the slot 7511, causing the lever 751 to slide up and down. Simultaneously, the bottom fixing groove 7513 allows the end of the folding cover 756 to be inserted and positioned, ensuring stable pulling or folding of the folding cover 756 as the block 7512 slides. Furthermore, the flat plate 7514 mounted on the block 7512 can be inserted into the slide rail 74 in a parallel orientation. Simultaneously, the splicing clip 7515 on the surface allows the bottom end of the vertical rod 752 to be inserted, thus... The sleeve 5152 of the splicing sleeve 7515 allows the bottom of the vertical rod 752 to pass through the clamping groove 5153 while clamping its edges. The bottom of the vertical rod 752 then continues to insert into the support block 5154, achieving a stable vertical assembly. Subsequently, the locking bolt passes through the locking groove 5151 on the edge of the sleeve 5152 to lock it securely, preventing automatic detachment during vertical sliding and ensuring stability during unlocking. The support block 5154, combined with the bottom adsorption plate 5155, is embedded into the flat plate 7514 for vertical fixation. After adsorption positioning, welding is performed again, improving the accuracy of the assembled components and preventing tilting.In summary, the coordinated operation of all components effectively improves the ease of use and extends the service life of the access panel, while ensuring the precise coordination between components. Therefore, it significantly enhances the actual performance of the access panel.

[0041] Example 2: Figures 6 to 7 As shown: This invention provides a soundproof, concealed access panel device for gymnasium walls. Its structure includes that the slot 7511 is further provided with a first protrusion 5111 and a second protrusion 5112. The first protrusion 5111 and the second protrusion 5112 are symmetrically distributed and each has a connecting block 5113 connected to its back. The upper end of the second protrusion 5112 is connected to a pull block 5114. The upper end of the pull block 5114 is provided with an adsorption block 5115. A pull groove 5116 is also opened on the back of the pull block 5114.

[0042] The first protrusion 5111 and the second protrusion 5112 are detachably connected by being embedded in the slot 7511 through the connecting block 5113. The pull block 5114 on the second protrusion 5112 slides up and down through the top adsorption block 5115 and the slide rail 74, allowing the lower end of the first protrusion 5111 to be embedded in the adsorption block 5115 for splicing.

[0043] Among them, a solid block 1131 is provided at the overlapping contact position between the connecting block 5113 and the inner wall of the slot 7511. A rubber rod 1133 is connected to the center of the parallel layer 1132 on the surface of the solid block 1131 and a magnetic suction plate 1134 is mounted on the edge.

[0044] The solid block 1131 is rectangular in shape and has three rubber rods 1133 on its surface parallel layer 1132, which are set in a horizontal direction. The magnetic plate 1134 is square in shape and is distributed at the edge of the solid block 1131 and contacts the inner edge of the slot 7511.

[0045] The specific functions and operation procedures of this embodiment are as follows: In this invention, the slot 7511 area of ​​the two blocks 7512 is based on the addition of two protrusions, one 5111 and the other 5112. Both can be embedded into the slot 7511 through the connecting block 5113. Then, the parallel layer 1132 of the solid block 1131 is parallel to the interior of the block 7512, allowing the rubber rod 1133 to be inserted, increasing the friction. At the same time, the magnetic plate 1134 is used for full edge adsorption, which can prevent the stability when the sound insulation plate 72 is pulled out of the empty slot 3 area, and prevent it from falling off the slot 7511 when pulled. Then, the pull block 5114 mounted on the second protrusion 5112 can be embedded into the bottom of the first protrusion 5111 through the top adsorption block 5115. As 51 gradually approaches via the slide rail 74, the lower end of protrusion 1 5111 will be embedded in the adsorption block 5115. After the connecting block 5113 of protrusion 1 5111 and protrusion 2 5112 is spliced, it can be manually pulled out through the pull groove 5116, achieving the effect of stably pulling out the sound insulation panel 72. This avoids the need to use a related magnetic attraction device to attract and pull out the rubber block 73 after unlocking it with only the slot 7511. Thus, both protrusion 1 5111 and protrusion 2 5112 can be pulled out and inserted through the connecting block 5113 and the lever 751, achieving an assembly effect. When the access panel is closed, both will be manually pulled out and removed from the device position, avoiding the situation of being too prominent in the gymnasium wall, thus effectively preserving the hidden characteristics.

[0046] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solutions described in this invention, or by designing similar technical solutions by those skilled in the art under the inspiration of the technical solutions described in this invention, falls within the protection scope of this invention.

Claims

1. A soundproof, concealed access panel device for gymnasium walls, comprising: The fusion layer (1), positioning frame (2), slot (3), contact wall (4), groove (5), positioning block (6), and novel opening and closing structure (7) are integrated. The fusion layer (1) and positioning frame (2) are integrally formed, and the surface of positioning frame (2) is penetrated by slot (3), exposing contact wall (4) and groove (5) and allowing positioning block (6) to be installed at the upper and lower positions of positioning frame (2) and communicate with groove (5). The novel opening and closing structure (7) is embedded and assembled through slot (3), contact wall (4), and groove (5). The feature is that: The novel opening and closing structure (7) is provided with a magnetic block (71). One end of the magnetic block (71) is welded to the upper and lower back ends of the sound insulation board (72), and the upper and lower ends of the sound insulation board (72) are equipped with rubber blocks (73). The surface of the sound insulation board (72) has a slide rail (74) to allow the control structure (75) to be embedded to control the rubber blocks (73). The control structure (75) is also provided with a lever (751), a vertical rod (752) is connected in the lever (751), a connecting plate (753) is mounted on the upper end of the vertical rod (752) and a center block (754) is connected in the center, a locking bolt (755) is connected at the edge of the connecting plate (753), and a folding cover (756) is connected at the other end of the lever (751). The sound insulation plate (72) of the new opening and closing structure (7) uses the magnetic block (71) to embed into the contact wall (4) so ​​that the rubber block (73) is aligned with the groove (5). Then, the control structure (75) slides up and down in the slide rail (74) so ​​that the rubber block (73) is embedded in the groove (5) and the positioning block (6) for assembly. At the same time, the folding cover (756) of the control structure (75) covers the surface of the slide rail (74).

2. The gymnasium wall soundproof concealed access panel device according to claim 1, characterized in that: The fusion layer (1) of the positioning frame (2) has a parallel shape and the slot (3) of the positioning frame (2) matches the shape of the new opening and closing structure (7). The contact wall (4) is made of metal and the groove (5) and positioning block (6) are set in a symmetrical orientation.

3. The gymnasium wall soundproof concealed access panel device according to claim 1, characterized in that: The magnetic block (71) is parallel to the contact wall (4) and the sound insulation plate (72) covers the surface of the empty groove (3). The slide rail (74) is opened in a vertical direction and the control structure (75) drives the rubber block (73) to slide up and down.

4. The gymnasium wall soundproof concealed access panel device according to claim 1, characterized in that: The vertical rod (752) of the lever (751) is solid and perpendicular to the connecting plate (753). The center block (754) of the connecting plate (753) is protruding and the locking bolts (755) at both ends are set in a symmetrical position. The folding cover (756) is made of rubber and has folding texture.

5. A gymnasium wall soundproof concealed access panel device according to claim 1, characterized in that: The push block (751) is provided with a slot (7511), the slot (7511) is opened at the center of the surface of the block (7512), and a fixing groove (7513) is also opened at the lower end of the block (7512). A plate (7514) is welded to the back of the block (7512), and a splicing sleeve (7515) is also provided at the upper end of the plate (7514). The slot (7511) is recessed and the fixing groove (7513) at the lower end of the block (7512) allows the end of the folding cover (756) to be embedded and positioned. The flat plate (7514) and the block (7512) form a "T" shape and the upper end is perpendicular to the splicing clip (7515).

6. A gymnasium wall soundproof concealed access panel device according to claim 5, characterized in that: The splicing sleeve (7515) is also provided with a locking groove (5151), which is opened at the edge of the sleeve body (5152). The sleeve body (5152) has a clamping groove (5153) in the center and extends to the support block (5154) connected to the lower end. The lower end of the support block (5154) is also connected to an adsorption plate (5155). The locking groove (5151) is provided in three places on the edge of the sleeve (5152) and equipped with bolts of corresponding size. The sleeve (5152) is square in shape and perpendicular to the lower support block (5154). The clamping groove (5153) is opened in a vertical direction and communicates with the adsorption plate (5155).

7. A gymnasium wall soundproof concealed access panel device according to claim 5, characterized in that: The slot (7511) is further provided with a first protrusion (5111) and a second protrusion (5112). The first protrusion (5111) and the second protrusion (5112) are symmetrically distributed and each has a connecting block (5113) connected to its back. The upper end of the second protrusion (5112) is connected to a pull block (5114). The upper end of the pull block (5114) is provided with an adsorption block (5115). A pull groove (5116) is also opened on the back of the pull block (5114). The first protrusion (5111) and the second protrusion (5112) are detachably connected by being embedded in the slot (7511) through the connecting block (5113). The pull block (5114) on the second protrusion (5112) slides up and down through the top suction block (5115) and the position combined with the slide rail (74) so ​​that the lower end of the first protrusion (5111) is embedded in the suction block (5115) for splicing.

8. A gymnasium wall soundproof concealed access panel device according to claim 7, characterized in that: A solid block (1131) is also provided at the overlapping contact position between the connecting block (5113) and the inner wall of the slot (7511). A rubber rod (1133) is connected to the center of the parallel layer (1132) on the surface of the solid block (1131), and a magnetic suction plate (1134) is mounted on the edge. The solid block (1131) is rectangular in shape and has three rubber rods (1133) on its surface parallel layer (1132) and set in a horizontal direction. The magnetic plate (1134) is square in shape and is distributed at the edge of the solid block (1131) and contacts the inner edge of the slot (7511).

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