Telescopic stair capable of being conveniently installed on side face

Abstract

The utility model discloses a telescopic stair convenient for side installation, and relates to the technical field of furniture and related accessories thereof. The device comprises a floor and a mounting plate mounted on the inner side of the floor, an external expansion plate is fixedly connected to the edge of the top of the outer wall of the mounting plate, T-shaped grooves are formed in the front ends and the rear ends of the two sides of the upper surface of the external expansion plate, the outer side wall of the mounting plate is movably connected with a rotating plate through hinges, and a telescopic frame is arranged on the outer side wall of the rotating plate; sliding frames are evenly arranged on the inner walls of the two sides of the telescopic frame at intervals, mounting assemblies are arranged in the T-shaped grooves, and limiting assemblies are arranged at the front ends of the bottoms of the sliding frames. According to the telescopic stair, the installation assembly is arranged, so that a worker can conveniently and rapidly install and detach the telescopic stair, time is saved, working efficiency is high, the limiting assembly is utilized, the worker can conveniently and rapidly detach and replace the pedals, time is saved, and working efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of furniture and related accessories, in particular to a telescopic staircase which is convenient for side installation. Background Art

[0002] As people's quality of life continues to improve, more and more people care about their quality of life, including house decoration, adding furniture configuration, etc. Among them, in house buildings with attics, in order to reduce the floor space occupied by stairs, retractable stairs are generally used, which are easy to use and can be stored and hidden.

[0003] After searching, the publication number CN217871477U and the application date 2022.08.31 discloses a telescopic staircase, the driving mechanism of which is installed at the upper end of a connecting rod type telescopic ladder body, and an electric push rod is installed in the supporting base plate of the driving mechanism, and the lower end of the supporting base plate is connected to a push-pull bracket hinged to the end of the telescopic ladder body, and the upper end of the telescopic ladder body is connected to the upper end of the supporting base plate through an end connecting rod. Therefore, after the lower end of the telescopic ladder body is supported on the ground, the electric push rod can automatically drive the telescopic ladder body to extend through the push-pull bracket. After the operation is completed, the electric push rod can also automatically drive the telescopic ladder body to retract into the supporting base plate. After the telescopic ladder body is retracted into the supporting base plate, the volume of the telescopic ladder body is very small, which is easy to carry and has a wide range of usage scenarios. In addition, the telescopic staircase can automatically extend to release the stairs or automatically retract to fold the stairs. It is simple to operate and easy to use.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. When the telescopic staircase is in use, the baffle and the staircase are integrally mounted on the floor slab by bolts, which is cumbersome, time-consuming and labor-intensive for the staff to operate, resulting in low work efficiency;

[0006] 2. The above telescopic stairs fix the pedals on the inner side of the end connecting rods when in use. However, when the pedals are damaged, they cannot be quickly disassembled and replaced, which affects work efficiency and increases costs. To this end, we provide a telescopic staircase that is easy to install on the side to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a telescopic staircase that is convenient for side installation. By setting an installation component, it is convenient for workers to quickly install and disassemble the telescopic staircase, saving time and improving work efficiency. The use of a limit component makes it convenient for workers to quickly disassemble and replace pedals, saving time and improving work efficiency.

[0008] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0009] The utility model is a telescopic staircase convenient for side installation, comprising a floor slab and a mounting plate mounted on the inner side thereof, an outer expansion plate is fixedly connected to the top edge of the outer wall of the mounting plate, both front and rear ends of the upper surface of the outer expansion plate are provided with T-shaped grooves, the outer wall of the mounting plate is movably connected to the rotating plate through hinges, the outer wall of the rotating plate is provided with a telescopic frame, the inner walls of both sides of the telescopic frame are evenly spaced and provided with sliding frames, the interior of the T-shaped groove is provided with a mounting assembly, and the bottom front end of the sliding frame is provided with a limit assembly;

[0010] The installation assembly includes a push block and a card plate fixed at the center of the bottom thereof, and a connecting rod is fixedly connected to one end surface of the card plate at even intervals in the horizontal direction;

[0011] The limiting component comprises a fixing frame and a baffle plate arranged at the bottom thereof, and the upper surface of the baffle plate is fixedly connected with transmission rods at even intervals from front to back.

[0012] The utility model is further configured that the front ends of both sides of the upper surface of the floor slab are provided with clamping grooves, and the outer ends of the T-shaped grooves are provided with sliding grooves on both sides.

[0013] The utility model is further configured that both sides of the bottom end of the telescopic frame are provided with supporting feet, and the interiors of adjacent sliding frames are slidably connected with pedals.

[0014] The utility model is further configured such that sliding blocks are fixedly connected to both side edges of the bottom of the push block, the sliding blocks are located inside the slide groove, and the other end of the connecting rod passes through a through hole on one end surface of the fixed plate and is connected to the limiting plate.

[0015] The utility model is further configured that a compression spring is sleeved on the outer side of the outer wall of the connecting rod, and the compression spring is located between the fixing plate and the limiting plate, and the outer wall of the fixing plate is fixed on the inner wall of the T-shaped groove.

[0016] The utility model is further configured that a pull ring is fixedly connected to the center position of the bottom of the baffle, and the top end of the transmission rod passes through the through hole on the bottom of the fixed frame and is connected to the movable plate.

[0017] The utility model is further configured that a reset spring is sleeved on the outer side of the outer wall of the transmission rod, and the reset spring is located between the inner wall of the fixed frame and the movable plate, and plug rods are installed at both the front and rear ends of the top of the movable plate.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model provides an installation component, which drives the card plate to move under the elastic performance of the compression spring, thereby achieving or canceling the limiting effect between the card plate and the card slot, making it convenient for workers to quickly install and disassemble the telescopic stairs, saving time and improving work efficiency. It solves the problem that the baffle and the stairs are installed on the floor slab as a whole by bolts during use, which is cumbersome, time-consuming and labor-intensive during the operation of the workers, resulting in low work efficiency.

[0020] 2. The utility model provides a limit assembly, which drives the movable plate and the plug rod on the top of the movable plate to move under the action of the elastic properties of the return spring, thereby achieving or canceling the limiting effect of the plug rod on the pedal, making it convenient for workers to quickly disassemble and replace the pedal, saving time and improving work efficiency. It solves the problem that the above-mentioned telescopic stairs fix the pedal on the inner side of the end connecting rod when in use, but this method cannot quickly disassemble and replace the pedal when it is damaged, affecting work efficiency and increasing costs.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 The figure is a schematic diagram of the structure of a telescopic staircase which is convenient for side installation.

[0024] Figure 2 This is the disassembly diagram of the floor slab and mounting plate.

[0025] Figure 3 A structural diagram of the installation components.

[0026] Figure 4 This is a disassembled diagram of the slide frame and pedal.

[0027] Figure 5 This is a disassembled diagram of the limit assembly.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1-floor, 101-slot, 102-mounting plate, 1021-external expansion plate, 1022-T-slot, 1023-slide, 103-turn plate, 104-telescopic frame, 105-support foot, 106-slide frame, 107-pedal, 2-installation assembly, 201-push block, 2011-slider, 202-card plate, 203-connecting rod, 204-fixed plate, 205-compression spring, 206-limiting plate, 3-limiting assembly, 301-fixed frame, 302-baffle, 3021-pull ring, 303-transmission rod, 304-reset spring, 305-movable plate, 306-insertion rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0032] See also Figures 1 to 3 The utility model is a telescopic staircase convenient for side installation, comprising a floor 1 and a mounting plate 102 mounted on the inner side thereof, an outer expansion plate 1021 is fixedly connected to the top edge of the outer wall of the mounting plate 102, and T-shaped slots 1022 are provided at both ends of the upper surface of the outer expansion plate 1021, and the outer wall of the mounting plate 102 is movably connected to the rotating plate 103 through hinges, and a telescopic frame 104 is provided on the outer wall of the rotating plate 103, and sliding frames 106 are evenly spaced on the inner walls of both sides of the telescopic frame 104, and a mounting assembly 2 is provided inside the T-shaped slot 1022; the mounting assembly 2 comprises a push block 201 and a card plate 202 fixed at the bottom center thereof, and a connecting rod 203 is evenly spaced and fixedly connected to one end surface of the card plate 202 along the horizontal direction;

[0033] Specifically, a card slot 101 is provided at the front end of both sides of the upper surface of the floor 1, a slide slot 1023 is provided on both sides of the outer end of the T-slot 1022, and support feet 105 are provided on both sides of the bottom end of the telescopic frame 104. The internal sliding connection of the adjacent slide frame 106 is provided with a pedal 107, and the bottom edges of the push block 201 are fixedly connected with sliders 2011, and the sliders 2011 are located inside the slide slot 1023. The other end of the connecting rod 203 passes through the through hole on the end surface of one side of the fixed plate 204 and is connected with the limit plate 206. The outer side of the outer wall of the connecting rod 203 is provided with a compression spring 205, and the compression spring 205 is located between the fixed plate 204 and the limit plate 206. The outer wall of the fixed plate 204 is fixed on the inner wall of the T-slot 1022.

[0034] Furthermore, the mounting plate 102 is clamped on the inner side of the hole on the surface of the floor 1, wherein the outward expansion plate 1021 is located on the upper surface of the floor 1, and the T-slot 1022 is set at an inclination of 90 degrees. The telescopic frame 104 is pushed to be telescoped by the driving mechanism on the rotating plate 103. This is the prior art, so it will not be described in detail here. The cross-section of the card plate 202 is L-shaped, and the cross-section of the card slot 101 is L-shaped, and the internal dimension is larger than the dimension of the card plate 202. The slider 2011 and the slide groove 1023 can assist the push block 201 in moving and play a role in limiting. The card plate 202 and the limit plate 206 are connected by the connecting rod 203, which plays a role in connecting transmission. Under the action of the elastic performance of the compression spring 205, the card plate 202 can be driven to move.

[0035] The operation process of this embodiment is as follows: first, the entire telescopic staircase is placed above the floor 1 to be installed, and then it is clamped at the opening of the floor 1, and the outer expansion plate 1021 outside the installation plate 102 is clamped on the surface of the floor 1, and then the push blocks 201 on the front and rear sides are pushed toward the center position. The push blocks 201 are forced to move under the auxiliary action of the slider 2011 and the slide groove 1023, and drive the clamping plate 202 at the bottom to move, and one end surface of the clamping plate 202 is connected to the limit plate 206 through the connecting rod 203. Therefore, when the clamping plate 202 moves, it will be on the connecting rod 20 3, the limit plate 206 is pulled to move and the compression spring 205 is squeezed. At this time, the bottom end of the card plate 202 is inserted into the card slot 101 on the surface of the floor slab 1, and then the force on the push block 201 is stopped. At this time, the limit plate 206 will rebound to the initial position under the elastic performance of the compression spring 205, and the card plate 202 will be pulled back under the action of the connecting rod 203, which can cooperate with the card slot 101 to play a limiting role, completing the installation of the telescopic staircase. The same is true for disassembly, which makes it convenient for the staff to quickly install and disassemble the telescopic staircase, saving time and high work efficiency. Specific embodiment 2

[0037] See also Figures 4 to 5 On the basis of the specific embodiment 1, what is different from the first embodiment is that: a limit assembly 3 is provided, the limit assembly 3 includes a fixed frame 301 and a baffle 302 arranged at the bottom thereof, and the upper surface of the baffle 302 is evenly spaced and fixedly connected with a transmission rod 303 from front to back, which solves the existing problem that the pedal cannot be quickly disassembled and replaced, affecting work efficiency.

[0038] Specifically, a pull ring 3021 is fixedly connected to the bottom center position of the baffle 302, the top end of the transmission rod 303 passes through the through hole on the bottom of the fixed frame 301 and is connected to the movable plate 305, a reset spring 304 is sleeved on the outer side of the outer wall of the transmission rod 303, and the reset spring 304 is located between the inner wall of the fixed frame 301 and the movable plate 305, and plug rods 306 are installed at the front and rear ends of the top of the movable plate 305.

[0039] Furthermore, the baffle plate 302 and the movable plate 305 are connected by a transmission rod 303, which plays a role of connecting transmission. Under the elastic performance of the return spring 304, the movable plate 305 is driven to move, and the insertion rod 306 on its surface is moved. The overall height of the limit assembly 3 can be adjusted accordingly according to the specific situation, and it only needs to have the function of limiting the pedal 107 to avoid the limit assembly 3 being too high to accommodate the adjacent pedal 107.

[0040] The operation process of this embodiment is as follows: when the telescopic staircase is used, the telescopic frame 104 is extended by the driving mechanism on the surface of the rotating plate 103, and then people can go up and down the stairs through the multiple pedals 107. When the pedals 107 need to be maintained or replaced after being used for a long time, the pull rings 3021 on both sides are pulled downward, and the pull rings 3021 are forced to drive the baffle plate 302 to move downward, and the top of the baffle plate 302 is connected to the moving plate 305 through the transmission rod 303. Therefore, when the baffle plate 302 moves, the moving plate 305 is driven to move under the action of the transmission rod 303, and the reset spring 304 is squeezed, and the baffle plate 302 is moved downward. The insertion rod 306 on its surface moves downward, and then the insertion rod 306 can be pulled out of the limiting hole at the bottom of the pedal 107, canceling the limiting effect on the pedal 107, and then the pedal 107 can be taken out and replaced. The same is true when installing. After the pedal 107 is inserted into the sliding frames 106 on both sides, stop applying force to the pull ring 3021. At this time, under the elastic performance of the return spring 304, the movable plate 305 will rebound to the initial position, and drive the insertion rod 306 to move to limit the pedal 107, thereby facilitating the staff to quickly disassemble and replace the pedal 107, saving time and improving work efficiency.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A telescopic staircase convenient for side installation, comprising a floor slab (1) and a mounting plate (102) mounted on the inner side thereof, wherein an outer expansion plate (1021) is fixedly connected to the top edge of the outer wall of the mounting plate (102), and T-shaped grooves (1022) are provided on both sides of the upper surface of the outer expansion plate (1021) at both ends, and the outer wall of the mounting plate (102) is movably connected to a rotating plate (103) through a hinge, and a telescopic frame (104) is provided on the outer wall of the rotating plate (103), and sliding frames (106) are evenly spaced on the inner walls of both sides of the telescopic frame (104), characterized in that: A mounting assembly (2) is disposed inside the T-shaped slot (1022), and a limiting assembly (3) is disposed at the bottom front end of the sliding frame (106); The mounting assembly (2) comprises a push block (201) and a clamping plate (202) fixed at the center of the bottom thereof, and a connecting rod (203) is fixedly connected to an end surface of one side of the clamping plate (202) at even intervals in a horizontal direction; The limiting assembly (3) comprises a fixing frame (301) and a baffle (302) arranged at the bottom thereof, and the upper surface of the baffle (302) is fixedly connected with transmission rods (303) at even intervals from front to back.

2. A telescopic staircase convenient for side installation according to claim 1, characterized in that: The front ends of both sides of the upper surface of the floor slab (1) are provided with clamping grooves (101), and the outer ends of the T-shaped grooves (1022) are provided with sliding grooves (1023) on both sides.

3. A telescopic staircase convenient for side installation according to claim 2, characterized in that: Support legs (105) are provided on both sides of the bottom end of the telescopic frame (104), and a pedal (107) is slidably connected inside the adjacent sliding frame (106).

4. A telescopic staircase convenient for side installation according to claim 2, characterized in that: Slide blocks (2011) are fixedly connected to both side edges of the bottom of the push block (201), and the slide blocks (2011) are located inside the slide groove (1023). The other end of the connecting rod (203) passes through a through hole on one end surface of the fixed plate (204) and is connected to the limit plate (206).

5. A telescopic staircase convenient for side installation according to claim 4, characterized in that: A compression spring (205) is sleeved on the outer side of the outer wall of the connecting rod (203), and the compression spring (205) is located between the fixing plate (204) and the limiting plate (206), and the outer wall of the fixing plate (204) is fixed on the inner wall of the T-shaped slot (1022).

6. The telescopic staircase convenient for side installation according to claim 1, characterized in that: A pull ring (3021) is fixedly connected to the center position of the bottom of the baffle (302), and the top end of the transmission rod (303) passes through a through hole on the bottom of the fixed frame (301) and is connected to the movable plate (305).

7. A telescopic staircase convenient for side installation according to claim 6, characterized in that: A return spring (304) is sleeved on the outer side of the outer wall of the transmission rod (303), and the return spring (304) is located between the inner wall of the fixed frame (301) and the movable plate (305), and plug rods (306) are installed at both the front and rear ends of the top of the movable plate (305).

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