Channel device used in floor

Abstract

The utility model discloses a channel device used in a floor. The channel device comprises a frame base, a ramp plate structure and a lifting adjusting device. The frame base can be vertically arranged on the ground; the frame base comprises a vertical threaded vertical rod; the lifting adjusting device is adjustably arranged on the vertical threaded vertical rod; the ramp plate structure is arranged on the vertical threaded vertical rod and connected with the lifting adjusting device, and the height of the ramp plate structure can be adjusted by the lifting adjusting device. Wherein the ramp plate structure is used as a channel. According to the channel device used in the floor, people and objects can conveniently pass through the channel device, and a safe channel can be provided for construction materials to pass through the channel device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of passageway structure, specifically relates to a passageway device for use in floor. BACKGROUND

[0002] In a construction project, a double cage construction hoist is used for each building. During the decoration stage, a slope passageway needs to be set up at the entrance and exit of each double cage hoist to serve as a passageway for transporting decoration materials. In the past, a temporary passageway was built by using wooden boards and formworks at the entrance and exit of the double cage hoist. The formwork is prone to damage after long-term use, which may cause the passageway to be congested and thus affect the construction efficiency. Once the passageway structure is damaged, the transportation efficiency of decoration materials is reduced, and the passageway structure needs to be re-laid, which increases the maintenance cost of the passageway structure and the labor input cost. In addition, the temporary passageway built by using wooden boards and formworks has a certain strength deficiency, which may cause safety hazards. In addition, the temporary passageway built by using wooden boards and formworks is a fixed structure built temporarily and cannot be adjusted or moved, which has low adaptability to different passageway environments and cannot be used in different passageway environments.

[0003] At present, there is a lack of a passageway device for use in floor to facilitate the passing of people and objects.

[0004] Therefore, a new technology is needed to solve the problem of the lack of a passageway device for use in floor in the prior art. CONTENT OF THE UTILITY MODEL

[0005] To solve the above problems in the prior art, the utility model provides a passageway device for use in floor, which can facilitate the passing of people and objects.

[0006] The utility model adopts the following technical solutions:

[0007] A passageway device for use in floor, comprising a frame base, a ramp plate structure and a lifting adjusting device; the frame base can stand on the ground; the frame base comprises a vertical threaded upright; the lifting adjusting device is adjustably arranged on the vertical threaded upright; the ramp plate structure is arranged on the vertical threaded upright and connected with the lifting adjusting device and can be adjusted in height by the lifting adjusting device; wherein the ramp plate structure is used as a passageway.

[0008] Further, the frame base further comprises a frame base keel and a connecting shaft; a plurality of frame base keels are arranged together at a set interval and connected by the connecting shaft; the vertical threaded upright is detachably arranged on the frame base keel.

[0009] Further, the frame base further comprises several foldable rollers, which are arranged on the bottom of the frame base keel and used for timely unfolding and moving the frame base keel.

[0010] Further, each frame base keel is a foldable straight beam structure; each frame base keel is composed of several small straight beams; adjacent small straight beams are connected through hinges, and near the adjacent connection, one small straight beam is provided with a rotatable fixed buckle, and the other adjacent small straight beam is provided with a limiting piece capable of locking the fixed buckle.

[0011] Further, the lifting adjusting device comprises a supporting shell, a first gear and a second gear; the first gear and the second gear are arranged in meshing with each other in the supporting shell; wherein the first gear has a shaft body part capable of being sleeved on the vertical threaded upright rod and being threadedly connected with the vertical threaded upright rod; the second gear can drive the first gear to rotate; the supporting shell can be connected with the ramp plate structure in contact for supporting the ramp plate structure.

[0012] Further, the central axis of the first gear and the central axis of the second gear are perpendicular to each other; wherein the second gear has a connecting hole; the connecting hole is used for driving the second gear to rotate.

[0013] Further, the channel device used in a floor further comprises a rocker; the rocker has a connecting part capable of being matched and connected with the connecting hole, and the rocker is used for driving the second gear to rotate.

[0014] Further, the ramp plate structure comprises a non-slip pattern steel plate; the non-slip pattern steel plate is provided with a plurality of key groove holes; the key groove holes are used for sleeved connection with the vertical threaded upright rod; after the non-slip pattern steel plate is arranged, the non-slip pattern steel plate is located above the lifting adjusting device and can be adjusted in height by the lifting adjusting device.

[0015] Further, the non-slip pattern steel plate is a foldable panel structure; the non-slip pattern steel plate is composed of several small pattern steel plates; adjacent small pattern steel plates are connected through hinges.

[0016] Further, the non-slip pattern steel plate is provided with a transversely arranged reinforcing piece at every interval.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model discloses a passageway device for use in floor, the frame base can stand on the ground, is used for supporting the ramp board structure, wherein, the set up ramp board structure is located on the lifting adjusting device, the lifting adjusting device can adjust the height of ramp board structure, to make the ramp board structure have a suitable inclined plane angle to supply people and thing to pass through, preferably, the frame base, the ramp board structure adopts steel material to make to solve the security hidden danger that the temporary passageway of the previous adoption of wood square and formwork builds brings, simultaneously, because the utility model has the lifting adjusting device, make the passageway device of the utility model can be flexible and adapt to the need of different passageway environment, make the passageway device of the utility model its ramp board structure can adjust to a suitable inclined plane angle to supply people and thing to pass through. The utility model discloses a passageway device for use in floor, can conveniently pass through people and thing, and it can provide a safe passageway for the passing of construction material. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model discloses a passageway device for use in floor, the frame base can stand on the ground, is used for supporting the ramp board structure, wherein, the set up ramp board structure is located on the lifting adjusting device, the lifting adjusting device can adjust the height of ramp board structure, to make the ramp board structure have a suitable inclined plane angle to supply people and thing to pass through, preferably, the frame base, the ramp board structure adopts steel material to make to solve the security hidden danger that the temporary passageway of the previous adoption of wood square and formwork builds brings, simultaneously, because the utility model has the lifting adjusting device, make the passageway device of the utility model can be flexible and adapt to the need of different passageway environment, make the passageway device of the utility model its ramp board structure can adjust to a suitable inclined plane angle to supply people and thing to pass through. The utility model discloses a passageway device for use in floor, can conveniently pass through people and thing, and it can provide a safe passageway for the passing of construction material.

[0020] Figure 1 It is the side elevation schematic view of the passageway device of the utility model (not showing the hinge, the lock assembly),

[0021] Figure 2 It is the side elevation schematic view of the passageway device of the utility model (not showing the hinge, the lock assembly), Figure 1

[0022] Figure 3 It is the side elevation schematic view of the passageway device of the utility model (not showing the hinge, the lock assembly), Figure 1

[0023] Figure 4 It is the top view of the frame base keel (not showing the hinge, the fixed buckle and the limiting piece),

[0024] Figure 5 It is the top view of the frame base keel (not showing the hinge, the fixed buckle and the limiting piece), Figure 4

[0025] Figure 6 It is the top view of the frame base keel (not showing the hinge, the fixed buckle and the limiting piece),

[0026] Figure 7 It is the top view of the frame base keel (not showing the hinge, the fixed buckle and the limiting piece),

[0027] Figure 8 It is the top view of the frame base keel (not showing the hinge, the fixed buckle and the limiting piece),

[0028] ​​​Figure 9 yes Figure 8 A schematic diagram of the hinge (enlarged view of a portion);

[0029] Figure 10 yes" Figure 8 A schematic diagram (partial enlarged view) of the "fixed buckle, adjustable knob and limiting component";

[0030] Figure 11 This is a schematic diagram of a three-rotor lifting adjustment device;

[0031] Figure 12 yes Figure 11 Top view of the first gear in the middle;

[0032] Figure 13 yes Figure 12 Sectional view at MM;

[0033] Figure 14 yes Figure 11 A schematic diagram of the second gear in the middle;

[0034] Figure 15 This is a schematic diagram of a single-rotation lifting adjustment device;

[0035] Figure 16 yes Figure 15 Top view of the first gear in the middle;

[0036] Figure 17 yes Figure 16 Cross-sectional view at NN;

[0037] Figure 18 yes Figure 15 A schematic diagram of the second gear in the middle;

[0038] Figure 19 This is a diagram of a joystick;

[0039] Figure 20 This is a top view of the anti-slip patterned steel plate (the unfolded anti-slip patterned steel plate);

[0040] Figure 21 yes Figure 20 A bottom view of the anti-slip patterned steel plate;

[0041] Figure 22 yes" Figure 20 A diagram showing the first hinge in the middle (enlarged view).

[0042] Figure 23 yes" Figure 21 A schematic diagram (partial enlarged view) of the "central bolt locking assembly";

[0043] Figure 24 yes" Figure 21 A diagram showing the second hinge in the middle (enlarged view).

[0044] Figure 25 is a schematic view of a "latch assembly" (partly enlarged view). Figure 20

[0045] Reference signs:

[0046] 1-frame base; 11-vertical threaded upright; E-high vertical threaded upright; F-low vertical threaded upright; 12-frame base keel; 121-vertical limiting hole; A-small straight beam; A1-first small straight beam; A2-second small straight beam; A3-third small straight beam; C-first side; D-second side; 13-connection shaft; W-set interval; 14-anti-drop nut; 15-foldable roller; 16-fixing buckle; 161-adjustable knob; 17-limiting piece;

[0047] 2-ramp plate structure; 21-anti-skid pattern steel plate; 211-key groove hole; 212-surface layer pattern; K-small pattern steel plate; K1-first small pattern steel plate; K2-second small pattern steel plate; K3-third small pattern steel plate; L-set interval; 22-reinforcing piece; a-included angle;

[0048] 3-lifting adjusting device; 31-supporting shell; 32-first gear; M-section symbol; N-section symbol; 321-shaft body part; 33-second gear; 331-connection hole; G-three-turn lifting adjusting device; H-single-turn lifting adjusting device;

[0049] 4-hinge; 41-first position hinge; 42-second position hinge;

[0050] 5-rocker; 51-connection part;

[0051] 6-hinge; 61-first position hinge; 62-second position hinge;

[0052] 7-latch assembly; 71-first limiting piece; 72-latch piece; 73-second limiting piece;

[0053] P-section line (non-structural line); S-view angle direction symbol. DETAILED DESCRIPTION

[0054] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and the drawings, so as to fully understand the purpose, scheme and effects of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The same reference signs used in the drawings indicate the same or similar parts.

[0055] ​It should be noted that, unless otherwise specified, when a certain feature is referred to as being "fixed", "connected" to another feature, it can be directly fixed, connected to the other feature, or indirectly fixed, connected to the other feature. In addition, the up, down, left, right and other descriptions used in the utility model are only relative to the mutual position relationship of the components of the utility model in the drawings.

[0056] Referring to Figures 1 to 25 A passageway device used in a floor, comprising a frame base 1, a ramp plate structure 2 and a lifting adjusting device 3; the frame base 1 can stand on the ground; the frame base 1 comprises vertical threaded upright rods 11; the lifting adjusting device 3 is adjustably arranged on the vertical threaded upright rods 11; the ramp plate structure 2 is arranged on the vertical threaded upright rods 11 and connected with the lifting adjusting device 3 and can be adjusted in height by the lifting adjusting device 3; wherein the ramp plate structure 2 is used as a passageway.

[0057] Referring to Figures 1 to 25 In one embodiment, the frame base 1 further comprises frame base keels 12 and connecting shafts 13; a plurality of frame base keels 12 are arranged together at a set interval W and connected by the connecting shafts 13; preferably, after the connecting shafts 13 are connected, the ends thereof are sleeved with anti-loosening nuts 14, which are beneficial to prevent the connecting shafts 13 from being separated from the frame base keels 12; the vertical threaded upright rods 11 are detachably arranged on the frame base keels 12; preferably, the frame base keels 12 are provided with vertical limiting holes 121, and the vertical threaded upright rods 11 are inserted into the vertical limiting holes 121.

[0058] Referring to Figures 1 to 25 In one embodiment, the frame base 1 further comprises a plurality of foldable rollers 15, which are arranged at the bottom of the frame base keels 12 and used to move the frame base keels 12 in time. The foldable rollers 15 can be folded and hidden at the bottom of the frame base keels 12 when not in use, and can be unfolded from the bottom of the frame base keels 12 and used as moving wheels when needed. The foldable rollers 15 can refer to the prior art.

[0059] Referring to Figures 1 to 25In one embodiment, each of the frame base keels 12 is a foldable straight beam structure; each of the frame base keels 12 is composed of a plurality of small straight beams A; adjacent small straight beams A are connected by hinges 4, and near the adjacent connection, one small straight beam A is provided with a rotatable fixed buckle 16, and the other adjacent small straight beam A is provided with a limiting piece 17 capable of locking the fixed buckle 16. Among them, the fixed buckle 16 and the limiting piece 17 can realize the locking of the unfolded state of the folding place, which can effectively avoid the inclination of the frame base keel 12 during use. Preferably, the fixed buckle 16 has an adjustable knob 161, which is beneficial to manual adjustment of the fixed buckle 16.

[0060] Referring to Figures 1 to 25 Preferably, each of the frame base keels 12 is composed of three small straight beams A, namely a first small straight beam A1, a second small straight beam A2 and a third small straight beam A3; each of the frame base keels 12 is provided with two hinges 4, namely a first hinge 41 and a second hinge 42; the first small straight beam A1 is connected with the second small straight beam A2 through the first hinge 41, and the second small straight beam A2 is connected with the third small straight beam A3 through the second hinge 42; preferably, if the first hinge 41 is a positive folding hinge, the second hinge 42 is a reverse folding hinge; if the first hinge 41 is a reverse folding hinge, the second hinge 42 is a positive folding hinge. In order to facilitate people to understand the positive folding hinge and the reverse folding hinge here, the explanation is as follows:

[0061] If the first small straight beam A1 can be folded to the first side C of the frame base keel 12, the first hinge 41 is a positive folding hinge; otherwise, if the first small straight beam A1 can be folded to the second side D of the frame base keel 12, the first hinge 41 is a reverse folding hinge.

[0062] If the third small straight beam A3 can be folded to the second side D of the frame base keel 12, the second hinge 42 is a reverse folding hinge; otherwise, if the third small straight beam A3 can be folded to the first side C of the frame base keel 12, the second hinge 42 is a positive folding hinge.

[0063] Referring to Figures 1 to 25In one embodiment, the lifting adjusting device 3 comprises a supporting shell 31, a first gear 32 and a second gear 33; the first gear 32 and the second gear 33 are arranged in the supporting shell 31 in meshing with each other; wherein the first gear 32 has a shaft body part 321 which can be sleeved on the vertical threaded upright rod 11 and is in threaded connection with the vertical threaded upright rod 11; the second gear 33 can drive the first gear 32 to rotate, thereby making the first gear 32 move (up and down) on the vertical threaded upright rod 11, so as to realize height adjustment; the supporting shell 31 can be in contact connection with the ramp plate structure 2 for supporting the ramp plate structure 2.

[0064] With reference to Figures 1 to 25 In one embodiment, the central axis of the first gear 32 is perpendicular to the central axis of the second gear 33; wherein the second gear 33 has a connecting hole 331; the connecting hole 331 is used for driving the second gear 33 to rotate.

[0065] With reference to Figures 1 to 25Preferably, in each of the frame base keels 12, the first small straight beam A1 is provided with a vertical limiting hole 121, and the second small straight beam A2 is also provided with a vertical limiting hole 121; the vertical threaded upright rods 11 are of different heights; the vertical limiting hole 121 on the first small straight beam A1 is inserted with a vertical threaded upright rod E of high height, and the vertical limiting hole 121 on the second small straight beam A2 is inserted with a vertical threaded upright rod F of low height; further, the lifting adjusting device 3 is divided into a three-turn lifting adjusting device G and a single-turn lifting adjusting device H; the three-turn lifting adjusting device G is installed on the vertical threaded upright rod E of high height, and the single-turn lifting adjusting device H is installed on the vertical threaded upright rod F of low height; the difference between the three-turn lifting adjusting device G and the single-turn lifting adjusting device H mainly lies in that the ratio of the number of teeth of the second gear 33 to the number of teeth of the first gear 32 is different; the number of teeth of the second gear 33 of the three-turn lifting adjusting device G is three times the number of teeth of the first gear 32; and the number of teeth of the second gear 33 of the single-turn lifting adjusting device H is the same as the number of teeth of the first gear 31; preferably, the second gear 33 of the three-turn lifting adjusting device G is a twenty-four-tooth gear, and the first gear 32 of the three-turn lifting adjusting device G is an eight-tooth gear; preferably, the second gear 33 of the single-turn lifting adjusting device H is an eight-tooth gear, and the first gear 32 of the single-turn lifting adjusting device H is an eight-tooth gear. In the three-turn lifting adjusting device G, one rotation of the second gear 33 will drive the first gear 32 to rotate three times, which can realize rapid adjustment of the height of the three-turn lifting adjusting device G. In the single-turn lifting adjusting device H, one rotation of the second gear 33 will drive the first gear 32 to rotate one time, which can ensure that the middle section of the slope plate structure 2 has a fine height adjustment amount.

[0066] With reference to Figures 1 to 25 In one embodiment, the indoor passage device further comprises a rocker 5; the rocker 5 has a connecting part 51 that can be matched and connected with the connecting hole 331, and the rocker 5 is used to drive the second gear 33 to rotate.

[0067] With reference to Figures 1 to 25 Preferably, the rocker 5 is a “Z”-shaped rocker.

[0068] With reference to Figures 1 to 25In one embodiment, the ramp plate structure 2 comprises a non-slip steel plate 21; the non-slip steel plate 21 is provided with a plurality of key groove holes 211; the key groove holes 211 are used for fitting connection with the vertical threaded vertical rod 11; after the non-slip steel plate 21 is set, the non-slip steel plate 21 is located above the lifting adjusting device 3 and can be adjusted in height by the lifting adjusting device 3. Among them, the key groove hole 211 can effectively avoid the non-slip steel plate 21 from being stuck on the vertical threaded vertical rod 11 when adjusting the slope. Among them, the non-slip steel plate 21 has a surface layer pattern 212 on its surface, which can play a non-slip role through the surface layer pattern 212 and can ensure the safety of the passage.

[0069] Referring to Figures 1 to 25 In one embodiment, the non-slip steel plate 21 is a foldable panel structure; the non-slip steel plate 21 is composed of a plurality of small pattern steel plates K; adjacent small pattern steel plates K are connected by hinges 6.

[0070] Referring to Figures 1 to 25 In one embodiment, the non-slip steel plate 21 is composed of three small pattern steel plates K, which are a first small pattern steel plate K1, a second small pattern steel plate K2 (also referred to as the "middle section of the slope plate structure 2" mentioned above), and a third small pattern steel plate K3; the hinge 6 has two positions, which are a first position hinge 61 and a second position hinge 62; the first small pattern steel plate K1 is connected to the second small pattern steel plate K2 through the first position hinge 61; the second small pattern steel plate K2 is connected to the third small pattern steel plate K3 through the second position hinge 62.

[0071] Referring to Figures 1 to 25 Preferably, the first position hinge 61 is a forward folding hinge and the second position hinge 62 is a reverse folding hinge. To facilitate people's understanding of the forward folding hinge and the reverse folding hinge here, the explanation is as follows: the first small pattern steel plate K1 can be folded on the second small pattern steel plate K2, then the first position hinge 61 is a forward folding hinge; the third small pattern steel plate K3 can be folded under the second small pattern steel plate K2, then the second position hinge 62 is a reverse folding hinge.

[0072] Referring to Figures 1 to 25, preferably, to ensure the stability of the expanded state of the anti-skid steel plate 21, the anti-skid steel plate 21 is further provided with a latching assembly 7, the latching assembly 7 comprising a first limiting piece 71, a latching piece 72 and a second limiting piece 73; after the first small-flake steel plate K1 is expanded relative to the second small-flake steel plate K2, the first small-flake steel plate K1 is locked in the expanded state with the second small-flake steel plate K2 through the latching assembly 7; similarly, after the third small-flake steel plate K3 is expanded relative to the second small-flake steel plate K2, the third small-flake steel plate K3 is locked in the expanded state with the second small-flake steel plate K2 through the latching assembly 7.

[0073] With reference to Figures 1 to 25 , preferably, the first limiting piece 71 is arranged on the bottom surface of the first small-flake steel plate K1, the second limiting piece 73 is arranged on the bottom surface of the second small-flake steel plate K2, and the latching piece 72 can pass through the first limiting piece 71 and the second limiting piece 73 to connect the first limiting piece 71 and the second limiting piece 73, thereby locking the first small-flake steel plate K1 and the second small-flake steel plate K2 in the expanded state;

[0074] Similarly, preferably, the first limiting piece 71 is arranged on the top surface of the second small-flake steel plate K2, the second limiting piece 73 is arranged on the top surface of the third small-flake steel plate K3, and the latching piece 72 can pass through the first limiting piece 71 and the second limiting piece 73 to connect the first limiting piece 71 and the second limiting piece 73, thereby locking the third small-flake steel plate K3 and the second small-flake steel plate K2 in the expanded state.

[0075] With reference to Figures 1 to 25 In one embodiment, the first limiting piece 71 and the second limiting piece 73 are both limiting pieces with through holes; the latching piece 72 is a long-shaft bolt; the long-shaft bolt can pass through the through hole of the first limiting piece 71 and the through hole of the second limiting piece 73 to connect the first limiting piece 71 and the second limiting piece 72.

[0076] With reference to Figures 1 to 25 In one embodiment, the ramp plate structure 2 further comprises reinforcing members 22; the anti-skid steel plate 21 is provided with a reinforcing member 22 arranged transversely every interval of a set distance L. Preferably, the reinforcing member 22 is a steel bar.

[0077] With reference to Figures 1 to 25Preferably, the frame base keel 12, the connecting shaft 13, the vertical threaded upright 11 and the anti-skid steel plate 21 are made of steel material.

[0078] Referring to Figures 1 to 25 Preferably, after the anti-skid steel plate 21 is adjusted in height by the lifting adjusting device 3, the anti-skid steel plate 21 and the upper plane of the frame base keel 12 form a set angle, and the angle is set as a, then tan a = 600 / 3000 = 1 / 5.

[0079] In one embodiment, the utility model discloses a passageway device for use in a floor, which can be quickly assembled into shape when in use and can be disassembled into various components for storage when not in use.

[0080] Other contents of the utility model discloses a passageway device for use in a floor are seen from prior art, and will not be repeated here.

[0081] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, so any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model, which does not deviate from the technical scheme content of the utility model, still belongs to the range of the technical scheme of the utility model.

Claims

1. A passageway device for use within a floor, characterized in that The frame base can stand on the ground; the frame base comprises vertical screw vertical rods; the lifting adjusting device is adjustably arranged on the vertical screw vertical rods; the ramp plate structure is arranged on the vertical screw vertical rods and is connected with the lifting adjusting device and can be adjusted in height by the lifting adjusting device; wherein the ramp plate structure is used as a passageway.

2. A passageway device for use within a floor as defined in claim 1, characterized in that The frame base further comprises frame base keels and connecting shafts; a plurality of frame base keels are arranged at a set interval and are connected by the connecting shafts; the vertical screw vertical rods are detachably arranged on the frame base keels.

3. A passageway device for use within a floor as defined in claim 2, characterized in that The frame base further comprises a plurality of foldable rollers; the foldable rollers are arranged at the bottom of the frame base keels and are used for timely unfolding and moving the frame base keels.

4. A passageway device for use within a floor as defined in claim 2, wherein Each frame base keel is a foldable straight beam structure; each frame base keel is composed of a plurality of small straight beams; adjacent small straight beams are connected by hinges and a small straight beam close to the adjacent connection is provided with a rotatable fixed buckle and another adjacent small straight beam is provided with a limiting piece capable of locking the fixed buckle.

5. The passage device for use in a floor according to claim 1, wherein The lifting adjusting device comprises a support shell, a first gear and a second gear; the first gear and the second gear are arranged in mesh with each other in the support shell; wherein the first gear has a shaft body part capable of being sleeved on the vertical screw vertical rods and is threadedly connected with the vertical screw vertical rods; the second gear can drive the first gear to rotate; the support shell can be in contact with the ramp plate structure and is used for supporting the ramp plate structure.

6. A passageway device for use within a floor as claimed in claim 5, wherein, The central axis of the first gear and the central axis of the second gear are perpendicular to each other; wherein the second gear has a connecting hole; the connecting hole is used for driving the second gear to rotate.

7. A passageway device for use within a floor as claimed in claim 6, wherein, The ramp plate structure further comprises a rocker; the rocker has a connecting part capable of being matched with the connecting hole; the rocker is used for driving the second gear to rotate.

8. A passageway arrangement for use within a floor as claimed in any one of claims 1 to 7, characterised in that, The ramp plate structure comprises a non-slip pattern steel plate; a plurality of key groove holes are arranged on the non-slip pattern steel plate; the key groove holes are used for sleeved connection with the vertical screw vertical rods; after the non-slip pattern steel plate is arranged, the non-slip pattern steel plate is located above the lifting adjusting device and can be adjusted in height by the lifting adjusting device.

9. A passageway device for use within a floor as defined in claim 8, characterized in that The non-slip pattern steel plate is a foldable panel structure; the non-slip pattern steel plate is composed of a plurality of small pattern steel plates; adjacent small pattern steel plates are connected by hinges.

10. A passageway device for use within a floor as defined in claim 8, wherein The non-slip pattern steel plate is provided with a transversely arranged reinforcing piece at every set interval.

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