A door guard
Patent Information
- Application Number
- CN202521546538.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-22
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-07-22
AI Technical Summary
但是传统的门护栏的外框底部较厚,在护栏门打开后呈现一个较高的门槛,当用户在家里使用扫地机器人时,扫地机器人在移动的过程中不能越过该门槛,扫地机器人不能自动地从一个房间进入到另一个房间扫地,为生活带来不便
[0016] 1. The lower part of the outer frame of the door guardrail of this utility model is a connecting rod with a thickness of no more than 15mm, and the inner and outer sides are rounded. Therefore, when the door guardrail is installed at the door frame of the room, the robot vacuum cleaner can automatically cross the connecting rod and enter from one room to another to sweep the room, without the need for manual intervention from the user, bringing convenience to life.
Smart Images

Figure CN224770120U_ABST
Abstract
Description
[Technical Field]
[0001] This utility model relates to a door guardrail. [Background Technology]
[0002] Door railings are typically installed on the door frames of rooms inside a house to limit the movement of infants and toddlers and ensure their safety. However, traditional door railings have a thicker bottom frame, creating a high threshold when the door is open. When users use a robot vacuum cleaner at home, the robot cannot cross this threshold while moving, preventing it from automatically moving from one room to another and causing inconvenience.
[0003] Therefore, this utility model was created based on the above-mentioned shortcomings. [Utility Model Content]
[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a door railing with a simple structure that brings convenience to life.
[0005] This utility model is achieved through the following technical solution:
[0006] A gate railing includes an outer frame, on which a gate that can be opened or closed is movably connected. A locking mechanism is provided between the gate and the outer frame to lock them together when the gate is closed. The outer frame includes two vertical bars spaced apart from each other. The lower ends of the two vertical bars are provided with a flat connecting rod that connects them. The thickness H of the connecting rod in the vertical direction is not greater than 15mm. The connecting rod is a hollow flat tube with rounded corners on both the inner and outer sides. The gate is located between the vertical bars.
[0007] The guardrail gate has a connecting seat on the upper part of one side, and a fixed seat that cooperates with the connecting seat is provided on the vertical bar. The connecting seat is rotatably connected to the fixed seat through its upper connecting shaft. The locking mechanism includes a first locking component provided on the upper part of the other side of the guardrail gate and a second locking component located below the first locking component. The second locking component includes a second locking seat provided on the vertical bar. The second locking seat has a second locking groove with an upper opening. The guardrail gate has a locking block that can engage with the second locking groove and can only disengage from the second locking groove after the first locking component is unlocked and the guardrail gate is lifted.
[0008] The first locking assembly includes a locking hole on the upper part of the vertical bar, a first locking seat on the guardrail gate, a locking block inside the first locking seat that can slide therein and engage or disengage with the locking hole, a first inclined surface on the locking block, a button on the upper side of the first locking seat that can push the first inclined surface when pressed to disengage the locking block from the locking hole, a first return spring between the first locking seat and the locking block that can push the locking block to slide back to its original position, a second return spring between the first locking seat and the button that can push the button to reset, and a third inclined surface on the vertical bar that can squeeze the locking block to slide into the first locking seat when the guardrail gate is rotated and closed.
[0009] The locking block is slidably connected to the guardrail gate. A second reset spring is provided between the guardrail gate and the locking block to push the locking block to slide back to its original position. The outer side of the second locking seat is provided with a second inclined surface that can squeeze the locking block to slide inward into the guardrail gate when the guardrail gate is rotated and closed.
[0010] The first locking seat has a rotating block that can rotate relative to it on its lower side. The rotating block can stop in two positions: a locking position and a releasing position. When the rotating block is in the locking position, the abutment rod on the rotating block abuts against the locking block to prevent the locking block from disengaging from the locking hole. When the rotating block rotates to the releasing position, the abutment rod disengages from the locking block, creating a space for the locking block to disengage from the locking hole. A third return spring that can push the rotating block to reset is provided between the first locking seat and the rotating block.
[0011] The fixed base is provided with a connecting sleeve that is sleeved with the connecting shaft. The lower side of the connecting base is provided with a positioning part. The fixed base is provided with a first positioning groove and a second positioning groove located above the first positioning groove. The first positioning groove and the second positioning groove are connected by an inclined surface. When the positioning part is engaged with the first positioning groove, the guardrail gate is in a closed state. When the positioning part moves to engage with the second positioning groove, the guardrail gate is in an open state.
[0012] The lower end of the connecting shaft is provided with a step extending outward, and a fourth return spring is provided between the step and the inner top surface of the connecting sleeve, which can push the guardrail door to move downward when the positioning part is disengaged from the second positioning groove.
[0013] A vertical connecting post is provided on the guardrail gate and between the lower part of the gate and the outer frame on the same side as the connecting seat. The connecting post is fixed on the outer frame, and the guardrail gate is fitted on the connecting post and can rotate and move up and down relative to the connecting post.
[0014] The first locking seat is provided with an observation hole, and the locking block is provided with a first color coating that can be displayed through the observation hole when it is engaged with the locking hole. The locking block is also provided with a second color coating that can be displayed through the observation hole when it is disengaged from the locking hole.
[0015] Compared with the prior art, the present invention has the following advantages:
[0016] 1. The lower part of the outer frame of the door guardrail of this utility model is a connecting rod with a thickness of no more than 15mm, and the inner and outer sides are rounded. Therefore, when the door guardrail is installed at the door frame of the room, the robot vacuum cleaner can automatically cross the connecting rod and enter from one room to another to sweep the room, without the need for manual intervention from the user, bringing convenience to life.
[0017] 2. When opening this utility model gate, the first locking component must be unlocked first, then the gate must be lifted until the second locking component is unlocked, and then the gate can be rotated to open. Therefore, multiple steps are required to open the gate, preventing children from accidentally opening it and ensuring safety.
[0018] 3. The first locking seat of this utility model is provided with an observation hole, and the locking block is provided with a first color coating and a second color coating. When the locking block is in different positions, the color displayed by the observation hole is different, so as to determine whether the door guardrail is in a locked state or an unlocked state, so as to facilitate users to identify and judge the false locking state caused by the door guardrail not being locked in place, thereby ensuring safety. [Attached Image Description]
[0019] Figure 1 This is the front view of this utility model;
[0020] Figure 2 This is a cross-sectional view of the connecting rod of this utility model;
[0021] Figure 3 This is a perspective view of the utility model;
[0022] Figure 4 This is an exploded view of the present invention;
[0023] Figure 5 yes Figure 4 Enlarged view at point A in the middle;
[0024] Figure 6 yes Figure 4 Enlarged view at point B;
[0025] Figure 7 yes Figure 4 A magnified view at point C;
[0026] Figure 8This is one of the exploded views of the components of this utility model;
[0027] Figure 9 This is one of the perspective views of the components of this utility model;
[0028] Figure 10 This is the second exploded view of a component of this utility model;
[0029] Figure 11 This is the second perspective view of a component of this utility model;
[0030] Figure 12 This is one of the partial sectional views of this utility model;
[0031] Figure 13 This is the second partial sectional view of this utility model.
Detailed Implementation Methods
[0032] The present invention will be further described below with reference to the accompanying drawings:
[0033] like Figures 1 to 3 As shown, a door railing includes an outer frame 1, on which a railing door 2 is movably connected and can be opened or closed relative to it. A locking mechanism 3 is provided between the railing door 2 and the outer frame 1, which can lock the two when the railing door 2 is closed. When the railing door 2 is closed, the door railing separates two rooms, and infants and young children can be confined to one of the rooms to play, preventing them from running out of the room and ensuring their safety. When the railing door 2 is open, infants and young children can pass through. The outer frame 1 includes two vertical bars 11 spaced apart from each other. The guardrail 2 is located between the vertical bars 11. A flat connecting rod 12 connects the two vertical bars 11 at their lower ends. The thickness H of the connecting rod 12 in the vertical direction is no greater than 15mm. The connecting rod 12 is a hollow flat tube with rounded corners on both the inner and outer sides. Therefore, when this guardrail is installed at the door frame of a room, the robot vacuum cleaner can automatically cross the connecting rod 12 to enter and sweep from one room to another without requiring manual intervention from the user, bringing convenience to daily life. Furthermore, the hollow tubular structure of the connecting rod 12 also reduces its cost.
[0034] like Figure 1 , Figure 3 and Figure 4 , Figure 7 , Figure 11 and Figure 13As shown, a connecting seat 21 is provided on the upper part of one side of the guardrail gate 2, and a fixing seat 12 that cooperates with the connecting seat 21 is provided on the vertical rod 11. The connecting seat 21 is rotatably connected to the fixing seat 12 through a connecting shaft 22. The locking mechanism 3 includes a first locking component 31 provided on the upper part of the other side of the guardrail gate 2 and a second locking component 32 located below the first locking component 31. The second locking component 32 includes a second locking seat 321 provided on the vertical rod 11. The second locking seat 321 has a second locking groove 322 with an opening at the upper end. The guardrail gate 2 has a locking block 323 that can engage with the second locking groove 322 and can only disengage from the second locking groove 322 after the first locking component 31 is unlocked and the guardrail gate 2 is lifted. When the guardrail gate 2 is locked to the outer frame 1, the first locking component 31 is in a locked state, and the second locking component 32 is also in a locked state. Specifically, the locking block 323 of the second locking component 32 is located in the second locking groove 322, preventing the guardrail gate 2 from rotating and opening. When it is necessary to open the guardrail gate 2, first unlock the first locking component 31, and then lift the guardrail gate 2 upwards. During the upward movement of the guardrail gate 2, the locking block 323 disengages from the second locking groove 322, at which point the guardrail gate 2 can be rotated and opened. Therefore, the guardrail gate 2 can only be opened after unlocking the first locking component 31 and lifting the guardrail gate 2 upwards. Setting multiple operation steps can prevent children from accidentally operating the first locking component 31 and opening the guardrail gate 2 by mistake, thus ensuring safety.
[0035] like Figures 8 to 10 As shown, the first locking assembly 31 includes a locking hole 311 located on the upper part of the vertical rod 11. The guardrail gate 2 has a first locking seat 312. The first locking seat 312 contains a locking block 313 that can slide within it and engage or disengage from the locking hole 311. The locking block 313 has a first inclined surface 314. The upper side of the first locking seat 312 has a button 315 that, when pressed, pushes against the first inclined surface 314, disengaging the locking block 313 from the locking hole 311. A first return spring 316, capable of pushing the locking block 313 to slide back to its original position, is provided between the first locking seat 312 and the locking block 313. A second return spring 317, capable of pushing the button 315 to its original position, is provided between the first locking seat 312 and the button 315. When unlocking the first locking assembly 31, pressing the button 315 pushes the first inclined surface 314, causing the locking block 313 to slide laterally and disengage from the locking hole 311, thus unlocking the first locking assembly 31.
[0036] like Figure 8 and Figure 10As shown, to further ensure safety, a rotating block 301 is provided on the lower side of the first locking seat 312, which can rotate relative to it. The rotating block 301 can stop in two positions: a locking position and an unlocking position. When the rotating block 301 is in the locking position, the abutment rod 302 on the rotating block 301 abuts against the locking block 313 to prevent the locking block 13 from disengaging from the locking hole 311. When the rotating block 301 rotates to the unlocking position, the abutment rod 302 disengages from the locking block 313, making room for the locking block 313 to disengage from the locking hole 311. A third return spring 303 is provided between the first locking seat 312 and the rotating block 301 to push the rotating block 301 back to its original position. When the first locking component 31 needs to be unlocked, the rotating block 301 must first be rotated to the unlock position so that the abutment rod 302 on the rotating block 301 disengages from the locking block 313 and no longer obstructs the movement of the locking block 313. Then, the button 315 is operated to drive the locking block 313 out of the locking hole 311. Therefore, opening the guardrail gate 2 requires first operating the rotating block 301, then operating the button 315, and then lifting and rotating the guardrail gate 2. This multi-step design avoids accidental operation by children and ensures safety.
[0037] like Figure 10 and Figure 11 As shown, the locking block 323 is slidably connected to the guardrail gate 2. A second return spring 324 is provided between the guardrail gate 2 and the locking block 323 to push the locking block 323 to slide back to its original position. The outer side of the second locking seat 321 is provided with a second inclined surface 325 that can squeeze the locking block 323 to slide inwards when the guardrail gate 2 is rotated and closed. The vertical rod 11 is provided with a third inclined surface 319 that can squeeze the locking block 313 to slide inwards into the first locking seat 312 when the guardrail gate 2 is rotated and closed. When the gate 2 is rotated to close, the locking block 323 contacts the second inclined surface 325. The second inclined surface 325 pushes the locking block 323 to slide inward into the gate 2. When the gate 2 rotates until the locking block 323 aligns with the second locking groove 322, the second return spring 324 pushes the locking block 323 to slide back and engage in the second locking groove 322, thus completing the locking of the second locking assembly 32. Similarly, during the rotation of the gate 2, the third inclined surface 319 presses against the locking block 313. When the locking block 313 aligns with the locking hole 311, the first return spring 316 pushes the locking block 313 to engage with the locking hole 311. Therefore, when locking the gate 2, it is not necessary to lift the gate 2; simply rotate the gate 2. The locking operation is convenient and quick.
[0038] like Figure 5 , Figure 6 and Figure 12As shown, the fixed base 12 is provided with a connecting sleeve 16 that is sleeved with the connecting shaft 22. The lower side of the connecting base 21 is provided with a positioning part 23. The fixed base 12 is provided with a first positioning groove 13 and a second positioning groove 14 located above the first positioning groove 13. The first positioning groove 13 and the second positioning groove 14 are connected by an inclined surface 15. When the positioning part 23 is engaged with the first positioning groove 13, the guardrail gate 2 is in a closed state. When the positioning part 23 moves to engage with the second positioning groove 14, the guardrail gate 2 is in an open state. The engagement of the positioning part 23 with the second positioning groove 14 allows the guardrail gate 2 to be positioned in the open state, while the engagement of the positioning part 23 with the first positioning groove 13 makes the guardrail gate 2 more securely locked in the closed state.
[0039] like Figure 5 and Figure 12 As shown, the lower end of the connecting shaft 22 is provided with an outwardly extending step 24. Between the step 24 and the inner top surface 161 of the connecting sleeve 16, there is a fourth return spring 4 that can push the guardrail gate 2 downward when the positioning part 23 disengages from the second positioning groove 14. When the guardrail gate 2 is rotated open, the positioning part 23 moves along the inclined surface 15 on the fixed seat 12 to the higher second positioning groove 14. At this time, the fourth return spring 4 is compressed. When it is necessary to close the guardrail gate 2, it is only necessary to push the guardrail gate 2 to disengage the positioning part 23 from the second positioning groove 14. At this time, the fourth return spring 4 elastically returns, pushing the guardrail gate 2 downward. When the positioning part 23 on the guardrail gate 2 moves along the inclined surface, it causes the guardrail gate 2 to rotate again. That is, the guardrail gate 2 rotates while descending. After the locking block 313 contacts and squeezes the third inclined surface 319 and the locking block 323 contacts and squeezes the second inclined surface 325, the locking is finally achieved.
[0040] like Figure 4 As shown, a vertical connecting post 17 is provided on the guardrail gate 2 and on the same side of the connecting seat 21 between the lower part and the outer frame 1. The connecting post 17 is fixed on the outer frame 1. The guardrail gate 2 is sleeved on the connecting post 17 and can rotate and move up and down relative to the connecting post 17, so that the guardrail gate 2 can be opened or closed smoothly and reliably.
[0041] like Figure 8 As shown, the first locking seat 312 is provided with an observation hole 3121, and the locking block 313 is provided with a first color coating 3131 that can be displayed through the observation hole 3121 when it is engaged with the locking hole 311. The locking block 313 is also provided with a second color coating 3132 that can be displayed through the observation hole 3121 when it is disengaged from the locking hole 311. When the locking block 313 is in different positions, the color displayed by the observation hole 3121 is different, so as to determine whether the door railing is in a locked state or an unlocked state, so as to facilitate users to identify and judge the false locking state caused by the door railing not being locked in place, thereby ensuring safety.
[0042] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the invention.
Claims
1. A door guardrail, characterized in that: The system includes an outer frame (1), on which a guardrail gate (2) is movably connected and can be opened or closed relative to it. A locking mechanism (3) is provided between the guardrail gate (2) and the outer frame (1) to lock the two when the guardrail gate (2) is closed. The outer frame (1) includes two vertical rods (11) spaced apart from each other. The lower ends of the two vertical rods (11) are provided with a flat connecting rod (12) that connects the two. The thickness H of the connecting rod (12) in the vertical direction is not greater than 15mm. The connecting rod (12) is a hollow flat tube with rounded corners on both the inner and outer sides. The guardrail gate (2) is located between the vertical rods (11).
2. The gate railing according to claim 1, characterized in that: The guardrail gate (2) is provided with a connecting seat (21) on the upper part of one side. The vertical rod (11) is provided with a fixed seat (12) that cooperates with the connecting seat (21). The connecting seat (21) is rotatably connected to the fixed seat (12) through its connecting shaft (22). The locking mechanism (3) includes a first locking component (31) provided on the upper part of the other side of the guardrail gate (2) and a second locking component (32) located below the first locking component (31). The second locking component (32) includes a second locking seat (321) provided on the vertical rod (11). The second locking seat (321) is provided with a second locking groove (322) with an upper opening. The guardrail gate (2) is provided with a locking block (323) that can engage with the second locking groove (322) and can only disengage from the second locking groove (322) after the first locking component (31) is unlocked and the guardrail gate (2) is lifted.
3. The gate railing according to claim 2, characterized in that: The first locking assembly (31) includes a locking hole (311) located on the upper part of the vertical bar (11). The guardrail gate (2) is provided with a first locking seat (312). The first locking seat (312) contains a locking block (313) that can slide within it and engage or disengage from the locking hole (311). The locking block (313) has a first inclined surface (314). The upper side of the first locking seat (312) is provided with a feature that, when pressed, pushes against the first inclined surface (314) to engage or disengage the locking block (313) from the locking hole (311). 311) The release button (315) is provided between the first locking seat (312) and the locking block (313), and a first return spring (316) is provided between the first locking seat (312) and the locking block (313) to push the locking block (313) to slide back to its original position. A second return spring (317) is provided between the first locking seat (312) and the button (315) to push the button (315) to reset. A third inclined surface (319) is provided on the vertical rod (11) to squeeze the locking block (313) to slide into the first locking seat (312) when the guardrail door (2) is rotated and closed.
4. The gate railing according to claim 3, characterized in that: The locking block (323) is slidably connected to the guardrail gate (2). A second reset spring (324) is provided between the guardrail gate (2) and the locking block (323) to push the locking block (323) to slide back to its original position. The outer side of the second locking seat (321) is provided with a second inclined surface (325) that can squeeze the locking block (323) to slide inward into the guardrail gate (2) when the guardrail gate (2) is rotated and closed.
5. The gate railing according to claim 4, characterized in that: The first locking seat (312) is provided with a rotating block (301) that can rotate relative to it. The rotating block (301) can stop in two positions: a locking position and an unlocking position. When the rotating block (301) is in the locking position, the abutment rod (302) on the rotating block (301) abuts against the locking block (313) to prevent the locking block (13) from disengaging from the locking hole (311). When the rotating block (301) rotates to the unlocking position, the abutment rod (302) disengages from the locking block (313) to make room for the locking block (313) to disengage from the locking hole (311). A third return spring (303) that can push the rotating block (301) to reset is provided between the first locking seat (312) and the rotating block (301).
6. The gate railing according to claim 5, characterized in that: The fixed base (12) is provided with a connecting sleeve (16) that is connected to the connecting shaft (22). The lower side of the connecting base (21) is provided with a positioning part (23). The fixed base (12) is provided with a first positioning groove (13) and a second positioning groove (14) located above the first positioning groove (13). The first positioning groove (13) and the second positioning groove (14) are connected by an inclined surface (15). When the positioning part (23) is engaged with the first positioning groove (13), the guardrail gate (2) is in a closed state. When the positioning part (23) moves to engage with the second positioning groove (14), the guardrail gate (2) is in an open state.
7. The gate railing according to claim 6, characterized in that: The lower end of the connecting shaft (22) is provided with a step (24) extending outward. A fourth return spring (4) is provided between the step (24) and the inner top surface (161) of the connecting sleeve (16) to push the guardrail door (2) downward when the positioning part (23) is disengaged from the second positioning groove (14).
8. The gate railing according to claim 4, characterized in that: A vertical connecting post (17) is provided on the guardrail gate (2) and on the same side of the connecting seat (21) between the lower part and the outer frame (1). The connecting post (17) is fixed on the outer frame (1). The guardrail gate (2) is sleeved on the connecting post (17) and can rotate and move up and down relative to the connecting post (17).
9. The gate railing according to claim 4, characterized in that: The first locking seat (312) is provided with an observation hole (3121), the locking block (313) is provided with a first color coating (3131) that can be displayed through the observation hole (3121) when it is engaged with the locking hole (311), and the locking block (313) is also provided with a second color coating (3132) that can be displayed through the observation hole (3121) when it is disengaged from the locking hole (311).