Wooden house for children

Abstract

The invention relates to the field of buildings, in particular to a wooden house for children. The wooden house comprises a wooden house body and a door ladder device. The front side of the log cabin body is provided with an entrance. The door ladder device comprises a rotating frame with the top end rotationally connected with the top end of the log cabin body, a plurality of transverse ladders arranged on the rotating frame in parallel, a sliding assembly arranged on the rotating frame in a sliding mode, a treading mechanism arranged on the sliding assembly, a locking mechanism switching operation or stopping operation of the treading mechanism and a resistance adjusting mechanism adjusting resistance of the treading mechanism. The treading mechanism comprises two transmission mechanisms symmetrically distributed in the width direction relative to the sliding assembly and a plurality of pedals arranged between the two transmission mechanisms in parallel. Each transmission mechanism comprises a chain and two transmission assemblies distributed side by side in the length direction of the sliding assembly. The door ladder device can be plugged at the entrance and exit to be used as a door, the door ladder device can be used as a climbing structure in the vertical state and the inclined unfolding state, and the door ladder device can also be suitable for dynamic climbing movement of children with different weights.

Description

Technical Field

[0001] The invention relates to the field of buildings, in particular to a children's wooden house. Background Art

[0002] Children's wooden house is a kind of wooden house, and its main function is children's entertainment. The existing children's wooden house has a simple structure and only provides a simple climbing function, which cannot meet the entertainment needs of different children.

[0003] Chinese patent publication number CN114687591A discloses an intelligent assembled children's wooden house with an intelligence training function. The activity platform is connected to a sand pool through supporting columns. The sand pool fixes the lower ends of long columns and short columns, which can improve the overall firmness of the long columns and short columns, prevent the long columns and short columns from deformation, and improve the overall stability of the children's wooden house; the lower ends of the long columns and the short columns are provided with spring grooves for shock absorption, and the upper ends of the short columns are provided with shock absorption grooves, which increase the shock absorption strength in the middle part of the edge of the children's wooden house, double shock absorption, and reduce the deformation of the children's wooden house.

[0004] However, the above technical solution has the following shortcomings:

[0005] Although there are stone ladders and rope ladders, both ladders are static ladders and lack entertainment value. Summary of the invention

[0006] The purpose of the present invention is to address the problems existing in the background technology and to propose a children's wooden house that can vertically block a door ladder device at the entrance and exit and use it as a door. The door ladder device can be used as a climbing structure in both the vertical state and the inclined unfolded state, and the resistance when the pedal is stepped on can be adjusted to be suitable for children of different weights to perform dynamic climbing exercises.

[0007] The technical solution of the present invention is a wooden house for children, comprising a wooden house body and a door and ladder device; the front side of the wooden house body has an entrance and exit. The door and ladder device is closed to block the entrance and exit, and is tilted outward when unfolded, and comprises a rotating frame with a top end connected to the top end of the wooden house body, a plurality of horizontal ladders arranged in parallel on the rotating frame, a sliding assembly arranged in a sliding manner on the rotating frame, a pedaling mechanism arranged on the sliding assembly, a locking mechanism for switching the pedaling mechanism to operate or stop operating, and a resistance adjusting mechanism for adjusting the resistance of the pedaling mechanism. When the pedaling mechanism is switched to a stopped operating state by the locking mechanism, there is no need to continue to adjust the resistance adjusting mechanism. When the pedaling mechanism is switched to an operating state by the locking mechanism, the resistance of the pedaling mechanism can be further adjusted by the resistance adjusting mechanism. The pedaling mechanism comprises two sets of transmission mechanisms symmetrically distributed along the width direction of the sliding assembly and a plurality of pedals arranged in parallel between the two sets of transmission mechanisms. The pedals are for children to step on. The pedals are made of a hard anti-skid structure to ensure bearing capacity and anti-skid performance. The transmission mechanism includes a chain and two groups of transmission components distributed side by side along the length direction of the sliding component. The transmission component includes a fixed frame arranged on the sliding component, a mounting shaft rotatably arranged on the fixed frame, and a sprocket arranged on the mounting shaft. Both ends of the pedal are respectively connected to the links of the two chains. The pedal is distributed parallel to the horizontal plane, which is convenient for children to step on it steadily with their left and right feet.

[0008] Preferably, the sliding assembly includes a "U"-shaped moving frame and an insert plate arranged transversely on the moving frame. A sliding channel for the insert plate to slide is arranged on the rotating frame along the length direction to guide the sliding process of the insert plate. The sliding channel runs through the width direction of the rotating frame. The sliding channels are exposed at both ends of the insert plate to facilitate connection with the moving frame from both ends. A movable channel is arranged on the back of the rotating frame along the length direction. The insert plate is threadedly connected with a fourth threaded knob that runs through the movable channel.

[0009] Preferably, both sides of the rotating frame in the width direction have notches that match the "U"-shaped moving frame, and when the moving frame is retracted, the notches can be just blocked to make the overall structure regular.

[0010] Preferably, the locking mechanism comprises a limit gear, a first sliding column, a rack and a first threaded knob. The limit gear is arranged on a mounting shaft in a lower transmission assembly in a transmission mechanism, the first sliding column is slidably arranged on a fixed frame, the rack is arranged at the front end of the first sliding column and faces the limit gear, and the first threaded knob is rotatably arranged on the mobile frame and is threadedly connected with the first sliding column. When the rack is stuck at the limit gear, it can be locked, and when the rack is removed, it can be unlocked.

[0011] Preferably, the resistance adjustment mechanism includes a friction disc, a first connecting frame, a friction plate, a second connecting frame, a second threaded knob, a second sliding column and a connecting rod. The friction disc is arranged on a mounting shaft in a lower transmission assembly in another group of transmission mechanisms, the first connecting frame is arranged on a mobile frame, the friction plate is rotatably arranged at the outer end of the first connecting frame and is located on the outer peripheral side of the friction disc, the second connecting frame is arranged at an end of the friction plate away from the first connecting frame, the second threaded knob is rotatably arranged on the mobile frame, the second sliding column is slidably arranged on the fixed frame and is threadedly connected with the second threaded knob, and the two ends of the connecting rod are rotatably connected with the second connecting frame and the second sliding column respectively. The second sliding column can be driven to move by rotating the second threaded knob, and the second sliding column drives the friction plate to rotate through the connecting rod and the second connecting frame to adjust the degree to which the friction plate is pressed against the friction disc.

[0012] Preferably, in the two groups of transmission mechanisms, a first gear is provided on the mounting shafts in the two groups of transmission components located above, a fixed plate is provided on the movable frame, a first bevel gear and a second gear meshing with the first gear are coaxially arranged on the fixed plate, a rotating shaft is rotatably installed through the movable frame and the plug plate, a second bevel gear and a fan blade structure are respectively provided at both ends of the rotating shaft, the second bevel gear is meshingly connected with the first bevel gear, and the fan blade structure is located on the outside of the movable frame.

[0013] Preferably, the children's wooden house also includes a safety protection mechanism, which includes a bracket, a transmission shaft, a transmission gear, a rotating disk, a sliding column, a spring, a guide frame, a stopper, and a third threaded knob. The bracket is arranged on the mobile frame, the transmission shaft is rotatably arranged on the bracket, the transmission gear is arranged on the transmission shaft and is meshed with the limit gear, the rotating disk is arranged on the transmission shaft and has a plurality of slide grooves evenly distributed on the outer circumference, and the sliding column is slidably arranged at the slide groove. The spring is located inside the slide groove, and the two ends of the spring are respectively connected to the sliding column and the bottom of the slide groove, the guide frame is arranged on the mobile frame, and the stopper is slidably arranged on the guide frame and faces the rotating disk, which is used to rotate and limit the slide column that moves too far outward. The third threaded knob is rotatably arranged on the movable frame and is threadably connected to the stop platform. The diameter of the transmission gear is smaller than the diameter of the limit gear. When the limit gear rotates, it can drive the transmission gear to rotate at a faster speed. The transmission gear drives the rotating disk to rotate through the transmission shaft, and uses centrifugal force to swing the sliding column outward. The faster the rotating disk rotates, the greater the outward movement distance of the sliding column, and the easier it is to be blocked by the stop platform, thereby realizing emergency stop protection when the pedal moves down quickly to prevent children from being injured.

[0014] Preferably, two fixing seats are symmetrically arranged on the mobile frame, and baffles are arranged on the two fixing seats. The baffles are located on the inner side of the chain to limit the range of children's feet and prevent children's feet from being stuck inside, thereby improving safety during use.

[0015] Preferably, a fixed platform is provided at the top of the wooden house body, a rotating column is rotatably provided on the fixed platform, a positioning bar for positioning the rotating column is provided at the bottom of the fixed platform, and the rotating column is transversely arranged at the top of the rotating frame. When the rotating frame is rotated downward to a vertical state, the rotating column abuts against the positioning bar, thereby positioning the door ladder device during the folding process.

[0016] Preferably, an entertainment house is arranged on the top of the wooden house body, a fence is arranged along the edge of the top of the wooden house body, the fence has an entrance and an exit above the rotating frame, a U-shaped slide and a circular slide are arranged on the wooden house body, and the entrances of the U-shaped slide and the circular slide are both located on the top of the wooden house body, and the exits are both located outside the wooden house body. This makes the overall space occupied by the children's wooden house small, easy to arrange, and the slide is supported by the wooden house body, which is more stable and reliable.

[0017] Compared with the prior art, the present invention has the following beneficial technical effects:

[0018] The present invention can vertically block the door ladder device at the entrance and exit of the wooden house body and use it as a door. Whether the door ladder device is in a vertical state or an inclined state, children can climb on the door ladder device. If the pedal mechanism is in a stopped state, children can perform static climbing. If the pedal mechanism is in a running state, after adjusting the resistance when the pedal is stepped on, it can be suitable for children of different weights to perform dynamic climbing exercises, which is highly entertaining. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the embodiment of the present invention when the mobile frame is folded;

[0020] Figure 2 This is a schematic diagram of the structure of an embodiment of the present invention when a mobile rack is unfolded;

[0021] Figure 3 It is a schematic diagram of the local structure when the mobile rack is unfolded;

[0022] Figure 4 This is a schematic diagram of the distribution of pedals;

[0023] Figure 5 for Figure 4 A magnified view of the structure at center A;

[0024] Figure 6 for Figure 4 A magnified view of the structure at B in the middle;

[0025] Figure 7 A partial structural cross-sectional view for adjusting the degree to which the friction plate is pressed against the friction disc;

[0026] Figure 8 is a schematic diagram of the structure of the rotating frame;

[0027] Fig. 9 A schematic diagram of a local structure for positioning the rotation position of the rotating column by the positioning bar;

[0028] Fig.10 for relative to Figure 4 A cross-sectional view of the local structure after the safety protection mechanism is added;

[0029] Fig.11 for Fig.10 Enlarged view of the structure at C in the middle.

[0030] Figure numerals: 1, wooden house body; 2, entertainment house; 3, fixed platform; 4, positioning bar; 5, rotating column; 6, rotating frame; 601, sliding channel; 7, horizontal ladder; 8, plug board; 9, mobile frame; 10, fixed frame; 11, mounting shaft; 12, sprocket; 13, chain; 14, pedal; 15, limit gear; 16, rack; 17, first sliding column; 18, first threaded knob; 19, first connecting frame; 20, friction plate; 201, friction plate; 21, second connecting frame; 22, connecting rod; 23. Second sliding column; 24. Second threaded knob; 25. First gear; 26. Second gear; 27. First bevel gear; 28. Fixed plate; 29. ​​Second bevel gear; 30. Rotating shaft; 31. Fan blade structure; 32. Fence; 33. U-shaped slide; 34. Circular slide; 35. Bracket; 36. Transmission gear; 37. Transmission shaft; 38. Rotating disk; 39. Sliding column; 40. Spring; 41. Guide frame; 42. Stop platform; 43. Third threaded knob; 44. Stop plate; 45. Fixed seat. DETAILED DESCRIPTION

[0031] Embodiment 1

[0032] like Figure 1-Figure 9 As shown, a children's wooden house proposed in this embodiment includes a wooden house body 1 and a door-ladder device. The door-ladder device can be used as a door and also as a ladder. The ladder can be used in two ways: static use and dynamic use.

[0033] The front side of the wooden house body 1 has an entrance and exit. The door ladder device is closed to block the entrance and exit, and is tilted outward when unfolded. It includes a rotating frame 6 whose top is rotatably connected to the top of the wooden house body 1, a plurality of horizontal ladders 7 arranged in parallel on the rotating frame 6, a sliding assembly slidably arranged on the rotating frame 6, a stepping mechanism arranged on the sliding assembly, a locking mechanism for switching the operation or stop of the stepping mechanism, and a resistance adjustment mechanism for adjusting the resistance of the stepping mechanism. When the stepping mechanism is switched to the stop state by the locking mechanism, there is no need to continue to adjust the resistance adjustment mechanism. When the stepping mechanism is switched to the operation state by the locking mechanism, the resistance of the stepping mechanism can be further adjusted by the resistance adjustment mechanism. The horizontal ladder 7 is a "U"-shaped rod structure, and the surface is covered with an anti-skid cover or frosted anti-skid treatment. Children can step on the horizontal ladder 7 or hold the horizontal ladder 7 with their hands. The stepping mechanism includes two sets of transmission mechanisms symmetrically distributed along the width direction of the sliding assembly and a plurality of pedals 14 arranged in parallel between the two sets of transmission mechanisms. The pedals 14 are horizontally distributed and anti-skid, which is convenient for children to step on steadily and improves safety during entertainment. The transmission mechanism includes a chain 13 and two sets of transmission assemblies arranged side by side along the length direction of the sliding assembly, and the transmission assembly includes a fixing frame 10 arranged on the sliding assembly, a mounting shaft 11 rotatably arranged on the fixing frame 10, and a sprocket 12 arranged on the mounting shaft 11. The two ends of the pedal 14 are respectively connected to the links of the two chains 13, and the two links on the two chains 13 connected to the ends of the pedal 14 are arranged oppositely, and a total of multiple sets of links are used to connect multiple pedals 14.

[0034] like Figure 1 , Figure 2 , Figure 3 and Fig. 9 As shown, a fixed platform 3 is arranged at the top of the wooden house body 1, a rotating column 5 is rotatably arranged on the fixed platform 3, a positioning bar 4 for positioning the rotating column 5 is arranged at the bottom of the fixed platform 3, and the rotating column 5 is arranged horizontally at the top of the rotating frame 6. When the rotating frame 6 rotates downward to a vertical state, the rotating column 5 abuts against the positioning bar 4, that is, when the door ladder device rotates to a vertical state, it can just block the entrance and exit of the wooden house body 1. There are notches on both sides of the rotating frame 6 in the width direction that are adapted to the "U"-shaped moving frame 9. When the sliding assembly slides upward to the extreme position, it can just block the notch, making the structure of the entire wooden house more regular.

[0035] like Figure 4 As shown, the sliding assembly includes a "U"-shaped moving frame 9 and a plug board 8 arranged horizontally on the moving frame 9. In addition, a cover can be provided on the moving frame 9, which surrounds the sprocket 12 and the chain 13 inside to ensure the cleanliness of the entire children's wooden house, and the cover exposes a channel for the pedal 14 to prevent the normal movement of the pedal 14 from being affected.

[0036] In order to make the plug plate 8 move smoothly along a straight line, a sliding channel 601 for the plug plate 8 to slide is provided on the rotating frame 6 along the length direction. The sliding channel 601 runs through the rotating frame 6 in the width direction. The plug plate 8 runs through the rotating frame 6 in the width direction, and both ends of the plug plate 8 in the width direction extend out from the sliding channel 601, so as to be conveniently connected with the mobile frame 9. A movable channel is provided on the back of the rotating frame 6 along the length direction, and the plug plate 8 is threadedly connected with a fourth thread knob running through the movable channel. The mobile frame 9 realizes telescopic adjustment by sliding the plug plate 8 in the sliding channel 601, that is, the length adjustment of the entire door ladder device. The fourth thread knob moves with the plug plate 8, and the fourth thread knob slides at the movable channel. After the plug plate 8 is adjusted to the right position, the fourth thread knob is rotated to press against the rotating frame 6 to improve the stability of the door ladder device after adjustment. The door ladder device is abutted on the ground through the mobile frame 9. When the insert plate 8 slides to the bottom of the sliding channel 601, the mobile frame 9 is abutted against the ground, and the entire door ladder device is stably tilted and distributed, the insert plate 8 will not continue to slide outward, and the door ladder device reaches the longest extension state, and the child can climb steadily on the pedal 14 and the horizontal ladder 7. Before climbing, the pedal mechanism needs to be switched to a stopped state in advance through the locking mechanism, and the pedal 14 will not move when the child steps on the pedal 14. Alternatively, the door ladder device can be kept in a vertical state. At this time, multiple pedals 14 and multiple horizontal ladders 7 are arranged vertically, and children can climb through the pedals 14 and the horizontal ladder 7, but the climbing difficulty is relatively high, which is suitable for older children. If younger children climb, it may be dangerous.

[0037] After the pedal mechanism is unlocked by the locking mechanism and switched to the running state, the resistance of the pedal mechanism needs to be adjusted by the resistance adjustment mechanism. The heavier the child is, the greater the resistance of the pedal mechanism needs to be adjusted. The child grasps the ladder 7 with his hands and steps on different pedals 14 intermittently with his feet, and can perform dynamic climbing at a fixed position, which is more entertaining.

[0038] like Figure 1 and Figure 2As shown, an entertainment house 2 is arranged on the top of the wooden house main body 1. Both the wooden house main body 1 and the entertainment house 2 have indoor space. The overall indoor space is larger, and it is safer for children to play in the indoor space, and they can play indoors in windy weather. By unfolding the door ladder device to an inclined state or maintaining a vertical state, children can climb to the second floor through the pedal 14 and the ladder 7 and play on the second floor. A fence 32 is arranged along the edge of the top of the wooden house main body 1 to improve the safety of children when playing on the second floor. The fence 32 has an entrance and exit above the rotating frame 6, which is convenient for children to climb to the second floor smoothly. Entertainment facilities such as a projector, a sandbox, a building block table, etc. are arranged in the entertainment house 2. A U-shaped slide 33 and a circular slide 34 that run through the side are arranged on the wooden house main body 1, and the two slides are arranged with higher reliability. The entrances of the U-shaped slide 33 and the circular slide 34 are both located at the top of the wooden house body 1, and the exits are both located outside the wooden house body 1. The two slides extend outwardly for a short distance, so that the space occupied by the entire children's wooden house is smaller. In addition, since the U-shaped slide 33 and the circular slide 34 both pass through the side of the wooden house body 1, the wooden house body 1 can provide support for the slides. When children slide down the slides, the slides are more stable and the children are safer when playing.

[0039] This embodiment can vertically block the door ladder device at the entrance and exit of the wooden house body 1 and use it as a door. When the pedal mechanism is switched to the stop state by the locking mechanism, children can climb on the static door ladder device regardless of whether the door ladder device is in a vertical state or an inclined state. When the pedal mechanism is switched to the operating state by the locking mechanism, the resistance when the pedal is stepped on needs to be adjusted to suit children of different weights to perform dynamic climbing exercises. Regardless of whether the door ladder device is in a vertical state or an inclined unfolded state, children can perform dynamic climbing on the door ladder device, which is highly entertaining.

[0040] Embodiment 2

[0041] like Figure 1-Figure 9 As shown, a children's wooden house proposed in this embodiment, compared with the first embodiment, in this embodiment, the locking mechanism includes a limit gear 15 arranged on the mounting shaft 11 in the lower transmission assembly in a group of transmission mechanisms, a first sliding column 17 slidably arranged on the fixed frame 10, a rack 16 arranged at the front end of the first sliding column 17 and facing the limit gear 15, and a first threaded knob 18 that is arranged on the mobile frame 9 and is threadedly connected to the first sliding column 17. By rotating the first threaded knob 18, the first sliding column 17 can be driven to move forward, and the first sliding column 17 drives the rack 16 to move forward. The rack 16 is stuck on the limit gear 15, the sprocket 12 will not rotate, and the chain 13 will not run. When the child steps on the pedal 14, he can climb up and down statically. When the first threaded knob 18 is rotated in the opposite direction, the first sliding column 17 can be driven outward, the rack 16 releases the limit on the limit gear 15, and the pedaling mechanism is switched to the running state.

[0042] like Figure 7 As shown, the resistance adjustment mechanism includes a friction disc 201 arranged on the mounting shaft 11 in the lower transmission assembly in another transmission mechanism, a first connecting frame 19 arranged on the mobile frame 9, a friction plate 20 rotatably arranged at the outer end of the first connecting frame 19 and located on the outer peripheral side of the friction disc 201, a second connecting frame 21 arranged at one end of the friction plate 20 away from the first connecting frame 19, a second threaded knob 24 rotatably arranged on the mobile frame 9, a second sliding column 23 slidably arranged on the fixed frame 10 and threadedly connected to the second threaded knob 24, and a connecting rod 22 rotatably connected to the second connecting frame 21 and the second sliding column 23 at both ends. The second sliding column 23 can be driven to move by rotating the second threaded knob 24, and the second sliding column 23 drives the connecting rod 22 to move, and the connecting rod 22 drives the friction plate 20 to rotate through the second connecting frame 21, so as to adjust the degree of compression of the friction plate 20 on the friction disc 201.

[0043] The greater the degree to which the friction disc 201 is pressed by the friction plate 20, the greater the resistance encountered by the friction disc 201 when it rotates, the more difficult it is for the mounting shaft 11 to rotate, the more difficult it is for the sprocket 12 to rotate, the more difficult it is for the transmission mechanism to operate, and the more difficult it is for the pedal 14 to be stepped on. Therefore, the heavier the child, the greater the resistance is suitable for, to prevent the pedal 14 from being stepped on too easily due to too little resistance, and the pedal 14 from moving down quickly when the child just steps on it, making it impossible to climb smoothly and easily causing the child's feet to be injured.

[0044] In the two transmission mechanisms, the first gear 25 is arranged on the mounting shaft 11 in the two transmission components located at the top, and the mobile frame 9 is provided with a fixed plate 28, and the fixed plate 28 is provided with a first bevel gear 27 and a second gear 26 meshing with the first gear 25 for coaxial rotation. The second gear 26 is smaller than the first gear 25, and the second gear 26 has a higher speed than the first gear 25. A rotating shaft 30 is installed through and rotated on the mobile frame 9 and the plug plate 8, and a second bevel gear 29 and a fan blade structure 31 are respectively arranged at both ends of the rotating shaft 30, and the fan blade structure 31 can blow air forward. The second bevel gear 29 is meshingly connected with the first bevel gear 27, and the fan blade structure 31 is located outside the mobile frame 9. When the pedal 14 is stepped on, the chain 13 drives the sprocket 12 to rotate, the sprocket 12 drives the installation shaft 11 to rotate, the installation shaft 11 drives the first gear 25 to rotate, the first gear 25 drives the second gear 26 to rotate at a faster speed, the second gear 26 drives the second bevel gear 29 to rotate through the first bevel gear 27, the second bevel gear 29 drives the fan blade structure 31 to rotate through the rotating shaft 30, the fan blade structure 31 blows air forward, fans the children, and enhances the sense of accomplishment and entertainment of children during climbing exercises. When the weather is hot, the fan blade structure 31 can also reduce the child's body temperature by accelerating air circulation, and enhance the coolness and comfort.

[0045] In this embodiment, the pedal mechanism can be locked and unlocked through the locking mechanism. When the pedal mechanism is unlocked and in operation, the resistance of the pedal mechanism during operation can be adjusted through the resistance adjustment mechanism, which is suitable for children of different weights to perform dynamic climbing.

[0046] Embodiment 3

[0047] This embodiment proposes a children's wooden house. Based on the second embodiment, in this embodiment, Fig.10 and Fig.11 As shown, a safety protection mechanism is added to the door ladder device. The safety protection mechanism includes a bracket 35 arranged on the mobile frame 9, a transmission shaft 37 rotatably arranged on the bracket 35, a transmission gear 36 arranged on the transmission shaft 37 and meshingly connected with the limit gear 15, a rotating disk 38 arranged on the transmission shaft 37 and having multiple sliding grooves evenly distributed on the outer circumference, a sliding column 39 slidably arranged at the sliding groove, a spring 40 connected to the sliding column 39 and the bottom of the sliding groove at both ends, a guide frame 41 arranged on the mobile frame 9, a stopper 42 slidably arranged on the guide frame 41 and facing the rotating disk 38, and a third threaded knob 43 rotatably arranged on the mobile frame 9 and threadedly connected to the stopper 42. After adjusting the resistance of the pedal mechanism during operation by the resistance adjustment mechanism, if the adjusted resistance is too small, the pedal 14 may move quickly when the child steps on the pedal 14, and the child's foot moves quickly, which is easy to cause foot injuries due to slow reaction. The added safety protection mechanism can provide safety protection when the pedal 14 moves quickly.

[0048] After the safety protection mechanism is added, when the child steps on the pedal 14, the chain 13 drives the sprocket 12 to rotate, the sprocket 12 drives the limit gear 15 to rotate, the limit gear 15 drives the transmission gear 36 to rotate, and the transmission gear 36 drives the rotating disk 38 to rotate through the transmission shaft 37. Due to the centrifugal force, the slide column 39 will slide outward at the slide groove, and the spring 40 will be stretched. If the resistance of the pedal mechanism is small, the rotating disk 38 will rotate too fast when the child steps on the pedal 14. When the slide column 39 rotates with the rotating disk 38, the slide column 39 moves outward a greater distance, and the outer end of the slide column 39 is blocked by the stopper 42, prompting the rotating disk 38 to stop rotating, thereby stopping the sprocket 12 and the chain 13 from running, and the pedal 14 stops moving down quickly, so that the child can get off the door ladder device in time without hurting his feet. Then, the resistance of the pedal mechanism during operation is increased again through the resistance adjustment mechanism, and the slide column 39 is moved away from the stopper 42, and the child continues to step on the pedal 14 for entertainment.

[0049] The diameter of the transmission gear 36 is smaller than that of the limiting gear 15 , and the rotation speed of the transmission gear 36 is faster than that of the limiting gear 15 , making it easier for the slide column 39 to move outward due to centrifugal force.

[0050] The sensitivity of the safety protection mechanism is adjusted by adjusting the position of the stopper 42. The third threaded knob 43 is rotated, and the third threaded knob 43 drives the stopper 42 to move linearly, and the guide frame 41 plays a guiding role, and the stopper 42 moves toward the rotating disk 38 or moves away from the rotating disk 38. When the stopper 42 moves toward the rotating disk 38, the stopper 42 is more likely to block the sliding column 39, and the protection sensitivity is higher.

[0051] like Fig.10 As shown, two fixing seats 45 are symmetrically arranged on the mobile frame 9, and baffles 44 are arranged on the two fixing seats 45. The baffles 44 are located inside the chain 13 and distributed between the two rows of pedals 14 on both sides. When a child steps on the pedal 14, the baffles 44 can limit the stepping area to prevent the foot from sliding off the pedal 14 and avoid injury. When a child steps on the pedal 14 normally, the front end of the foot does not contact the baffle 44.

[0052] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A children's wooden house, characterized in that: include: The main body of the wooden house (1) has an entrance and exit on the front side; A door ladder device, which blocks an entrance and exit when closed and tilts outward when unfolded, comprises a rotating frame (6) whose top end is rotatably connected to the top end of a wooden house body (1), a plurality of horizontal ladders (7) arranged in parallel on the rotating frame (6), a sliding component slidably arranged on the rotating frame (6), a pedal mechanism arranged on the sliding component, a locking mechanism for switching the pedal mechanism to operate or stop operating, and a resistance regulating mechanism for regulating the resistance of the pedal mechanism, wherein the pedal mechanism comprises two groups of transmission mechanisms symmetrically distributed along the width direction of the sliding component and a plurality of pedals (14) arranged in parallel between the two groups of transmission mechanisms, the transmission mechanism comprises a chain (13) and two groups of transmission components arranged side by side along the length direction of the sliding component, the transmission component comprises a fixed frame (10) arranged on the sliding component, a mounting shaft (11) rotatably arranged on the fixed frame (10), and a sprocket (12) arranged on the mounting shaft (11), and two ends of the pedal (14) are respectively connected to the chain links of the two chains (13).

2. A children's wooden house according to claim 1, characterized in that: The sliding assembly comprises a U-shaped moving frame (9) and an inserting plate (8) arranged transversely on the moving frame (9); a sliding channel (601) for the inserting plate (8) to slide is arranged on the rotating frame (6) along the length direction; the sliding channel (601) passes through the rotating frame (6) along the width direction; a movable channel is arranged on the back side of the rotating frame (6) along the length direction; and the inserting plate (8) is threadedly connected with a fourth threaded knob passing through the movable channel.

3. A children's wooden house according to claim 2, characterized in that: Both sides of the rotating frame (6) in the width direction are provided with notches adapted to the "U"-shaped moving frame (9).

4. A children's wooden house according to claim 2, characterized in that: The locking mechanism comprises a limit gear (15) arranged on a mounting shaft (11) in a lower transmission assembly in a transmission mechanism, a first sliding column (17) slidably arranged on a fixed frame (10), a rack (16) arranged at the front end of the first sliding column (17) and facing the limit gear (15), and a first threaded knob (18) rotatably arranged on a movable frame (9) and threadedly connected to the first sliding column (17).

5. A children's wooden house according to claim 4, characterized in that: The resistance adjustment mechanism comprises a friction disk (201) arranged on a mounting shaft (11) in a lower transmission assembly in another transmission mechanism, a first connecting frame (19) arranged on a movable frame (9), a friction plate (20) rotatably arranged at the outer end of the first connecting frame (19) and located on the outer peripheral side of the friction disk (201), a second connecting frame (21) arranged at an end of the friction plate (20) away from the first connecting frame (19), a second threaded knob (24) rotatably arranged on the movable frame (9), a second sliding column (23) slidably arranged on a fixed frame (10) and threadedly connected to the second threaded knob (24), and a connecting rod (22) having two ends rotatably connected to the second connecting frame (21) and the second sliding column (23) respectively.

6. The children's wooden house according to claim 5, characterized in that: In the two transmission mechanisms, the first gear (25) is arranged on the mounting shafts (11) in the two transmission components located at the upper side, the mobile frame (9) is provided with a fixed plate (28), the fixed plate (28) is provided with a first bevel gear (27) and a second gear (26) meshingly connected with the first gear (25) coaxially rotatably arranged on the fixed plate (28), the mobile frame (9) and the plug plate (8) are provided with a rotating shaft (30) penetrating and rotatably arranged, the two ends of the rotating shaft (30) are provided with a second bevel gear (29) and a fan blade structure (31), the second bevel gear (29) is meshingly connected with the first bevel gear (27), and the fan blade structure (31) is located outside the mobile frame (9).

7. The children's wooden house according to claim 6, characterized in that: The invention also comprises a safety protection mechanism, which comprises a bracket (35) arranged on the movable frame (9), a transmission shaft (37) rotatably arranged on the bracket (35), a transmission gear (36) arranged on the transmission shaft (37) and meshingly connected with the limit gear (15), a rotating disk (38) arranged on the transmission shaft (37) and having a plurality of sliding grooves evenly distributed on its outer circumference, a sliding column (39) slidably arranged at the sliding groove, a spring (40) with two ends respectively connected to the sliding column (39) and the bottom of the sliding groove, a guide frame (41) arranged on the movable frame (9), a stopper (42) slidably arranged on the guide frame (41) and facing the rotating disk (38), and a third threaded knob (43) rotatably arranged on the movable frame (9) and threadedly connected to the stopper (42), wherein the diameter of the transmission gear (36) is smaller than the diameter of the limit gear (15).

8. The children's wooden house according to claim 7, characterized in that: Two fixed seats (45) are symmetrically arranged on the moving frame (9), and baffles (44) are arranged on the two fixed seats (45), and the baffles (44) are located on the inner side of the chain (13).

9. The children's wooden house according to claim 1, characterized in that: A fixed platform (3) is arranged at the top of the wooden house body (1), a rotating column (5) is rotatably arranged on the fixed platform (3), a positioning bar (4) for positioning the rotating column (5) is arranged at the bottom of the fixed platform (3), the rotating column (5) is arranged horizontally at the top of a rotating frame (6), and when the rotating frame (6) is rotated downward to a vertical state, the rotating column (5) abuts against the positioning bar (4).

10. The children's wooden house according to claim 1, characterized in that: An entertainment house (2) is arranged on the top of the wooden house body (1), a fence (32) is arranged along the edge of the top of the wooden house body (1), the fence (32) has an entrance and exit above the rotating frame (6), and a U-shaped slide (33) and a circular slide (34) are arranged on the wooden house body (1) and penetrate the side surface, the entrances of the U-shaped slide (33) and the circular slide (34) are both located on the top of the wooden house body (1), and the exits are both located outside the wooden house body (1).

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