Sliding door capable of being positioned as required
By designing a plug-in rod and adjustment rail structure that can be positioned as needed on the sliding door, the problem that existing sliding doors can only be fully opened or closed is solved, and the door leaf can be fixed at any position and the opening can be adjusted, thereby improving space utilization and safety.
Patent Information
- Application Number
- CN202421946656.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-08-12
AI Technical Summary
Existing sliding doors can only be fully opened or fully closed, which cannot meet the needs of users who need moderate ventilation but avoid strong winds. In addition, the fixing method is inflexible, affecting space utilization and comfort.
A sliding door that can be positioned on demand is designed. The handle drives the rod to move on the door leaf. The rod can be inserted into or out of the fixing slot to fix the door leaf at any position. Combined with the adjustment rail and connecting rod structure, the door leaf can be adjusted and fixed at any position.
The sliding door can be adjusted to any position, which enhances the flexibility and safety of space utilization, avoids damage to the adjustment device caused by wind or accidental collision, and improves the user experience.
Smart Images

Figure CN223469173U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sliding door technical field especially relates to a kind of sliding door of positioning as needed. BACKGROUND
[0002] In current home design field, sliding door as the important element of connecting indoor space and external environment or different indoor area, its convenience and beauty are widely favored.Current mainstream sliding door on market mostly relies on pulley system to realize smooth sliding, and in fixed mode, traditional sliding door generally only has two states of complete opening and complete closing, i.e. only after complete opening or complete closing, door leaf can be fixed, this "non-open or close" fixed mode not only limits the flexible use of space, also affects the comfort and security of occupant experience, especially in the situation needing moderate ventilation and avoiding strong wind straight in, the fixed mode of existing sliding door cannot meet the needs of occupants. SUMMARY
[0003] The utility model solves the technical problems, and provides a kind of sliding door of positioning as needed, door leaf can be adjusted to any position as needed, realize opening degree adjustment, and adjustment is simple.
[0004] To solve the above technical problems, the utility model provides a kind of sliding door of positioning as needed, including door leaf, handle on the door leaf and adjusting device on the handle, the adjusting device includes inserting rod, the inserting rod is movably connected on the door leaf and is drivingly connected with the handle, the handle can drive the inserting rod to move on the door leaf, to fix the door leaf in current position or release the position fixation of the door leaf.
[0005] When the handle pulls the door leaf to move, the handle can drive the inserting rod to release the locking of the current position of the door leaf, so that the door leaf can move.
[0006] When the handle is at rest on the door leaf, the inserting rod can lock the door leaf, so that the door leaf is fixed in current position.
[0007] As the improvement of the above scheme, the sliding door of positioning as needed further includes adjusting rail, a plurality of fixed slots are provided on the adjusting rail, a plurality of the fixed slots are evenly distributed along the length direction of the adjusting rail, the end of the inserting rod away from the handle is fixed end, after the inserting rod moves, the fixed end can be inserted into the fixed slot or separated from the fixed slot.
[0008] As an improvement of the above-mentioned scheme, the adjusting device further comprises a connecting rod, one end of the connecting rod is connected with the inserting rod, and the other end of the connecting rod is connected with the handle, when the handle pulls the door leaf to move, the handle can drive the connecting rod to move, and the connecting rod can drive the inserting rod to move vertically.
[0009] As an improvement of the above-mentioned scheme, the handle and the door leaf are further provided with a sliding device, the sliding device comprises a sliding groove, the sliding groove is horizontally arranged on the door leaf, and the handle is slidingly connected with the sliding groove, so that the handle can move horizontally in the sliding groove.
[0010] As an improvement of the above-mentioned scheme, the sliding device further comprises a front elastic member and a rear elastic member, the handle comprises a front pull rod and a rear pull rod, one end of the front elastic member is fixedly connected with the front pull rod, the other end of the front elastic member is fixedly connected with the door leaf, one end of the rear elastic member is fixedly connected with the rear pull rod, and the other end of the rear elastic member is fixedly connected with the door leaf, when the handle moves in the sliding groove, the front elastic member or the rear elastic member is compressed.
[0011] As an improvement of the above-mentioned scheme, the adjusting device further comprises a driving structure, and one end of the connecting rod away from the handle is provided with a sliding part, the sliding part is in contact with the driving structure and can slide relative to the driving structure.
[0012] The driving structure comprises a first driving part and a second driving part, when the handle drives the connecting rod to move, the sliding part can be in contact with the first driving part or the second driving part and drive the inserting rod to move vertically.
[0013] As an improvement of the above-mentioned scheme, the driving structure further comprises a horizontal part, the first driving part and the second driving part are symmetrically arranged on two sides of the horizontal part, the first driving part and the second driving part are arranged obliquely, and the oblique directions of the first driving part and the second driving part are opposite.
[0014] When the sliding part is located on the horizontal part, the fixed end is inserted into the fixed groove.
[0015] When the sliding part slides from the horizontal part to the first driving part or the second driving part, the fixed end can be away from the fixed groove.
[0016] As an improvement of the above-mentioned scheme, a limiting rod is further arranged, the limiting rod is vertically arranged and sleeved outside the inserting rod, the inserting rod is slidingly connected with the limiting rod, and the inserting rod can slide vertically relative to the limiting rod.
[0017] As the improvement of the above-mentioned scheme, the adjusting rail is arranged at the upper part or upper side of the door leaf, and a reset mechanism is further arranged on the door leaf, the reset mechanism comprising a reset elastic member arranged on the door leaf and a limiting table arranged on the inserting rod, one end of the reset elastic member is fixedly connected with the door leaf, and the other end of the reset elastic member is connected with the limiting table; when the other end of the inserting rod is separated from the adjusting rail, the reset elastic member is compressed.
[0018] As the improvement of the above-mentioned scheme, the adjusting rail is arranged at the lower part or lower side of the door leaf, when the handle pulls the door leaf to move, the fixed end moves upward to be separated from the fixed groove, and when the handle is placed on the door leaf, the fixed end is inserted into the fixed groove.
[0019] The present application has the following advantages:
[0020] The push-pull door capable of positioning as required comprises a door leaf, a handle and an adjusting device, wherein the adjusting device comprises an inserting rod, when a user pulls the handle to move the door leaf, the inserting rod can release the locking of the current position of the door leaf, so that the door leaf can be moved according to the requirement of the user, when the door leaf is moved to the required opening degree, the user releases the handle, and the handle is placed on the door leaf, at this time, the inserting rod can lock the door leaf, so that the door leaf is fixed at the current position. Therefore, the door leaf can be adjusted to any position according to the requirement, the opening degree can be adjusted, and the adjusting can be realized when the door leaf is moved, and the adjusting is simple. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a structure schematic view of the third embodiment of the push-pull door capable of positioning as required of the present application in a static state;
[0022] Figure 2 is a structure schematic view of the third embodiment of the push-pull door capable of positioning as required of the present application in an opening state;
[0023] Figure 3 is a structure schematic view of the third embodiment of the push-pull door capable of positioning as required of the present application in a closing state;
[0024] Figure 4 is a structure schematic view of the adjusting rail and the adjusting device of the present application;
[0025] Figure 5 is a structure schematic view of the first embodiment of the push-pull door capable of positioning as required of the present application;
[0026] Figure 6 is a structure schematic view of the second embodiment of the driving structure of the present application;
[0027] Figure 7It is a structure schematic view of the third embodiment of the handle and sliding device of the utility model;
[0028] Figure 8 It is a structure schematic view of the fourth embodiment of the push-pull door of the utility model at rest. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. Only this declaration, the up, down, left, right, front, back, inside, outside and other orientation words appearing in the text or about to appear of the utility model, only take the drawings of the utility model as the base, it is not the specific limitation to the utility model.
[0030] Referring to Figures 1-3 The utility model embodiment discloses a kind of push-pull doors of positioning as needed, including door leaf 2, be located on the handle 3 of the door leaf 2 and be located on the adjusting device 4 of the handle 3, the handle 3 is used to drive the door leaf 2 moves, the adjusting device 4 can adjust and fix the position of the door leaf 2, to make the door leaf 2 can be fixed in arbitrary position. Wherein the adjusting device 4 includes plug-in rod 41, the plug-in rod 41 is movably connected on the door leaf 2 and is transmission connection with the handle 3, user when pulling the handle 3 makes the door leaf 2 move, the plug-in rod 41 can move, so the handle 3 can drive the plug-in rod 41 moves on the door leaf 2, to the door leaf 2 current position is fixed or the position of the door leaf 2 is fixed. Specifically, when the handle 3 pulls the door leaf 2 and moves, the handle 3 can drive the plug-in rod 41 and release the locking of the door leaf 2 current position, to make the door leaf 2 can move, so the handle 3 and the unlocking function of the plug-in rod 41 are bound, when needing to push the door leaf 2, the plug-in rod 41 can be unlocked. And after completing the movement of the door leaf 2, user releases the handle 3, the handle 3 is at rest in the door leaf 2, the plug-in rod 41 can lock the door leaf 2 at this time, to make the door leaf 2 fixed in current position. Therefore after user moves the door leaf 2 to arbitrary position, the handle 3 is released, can make the door leaf 2 fixed in current position, realize the effect that the door leaf 2 is fixed in arbitrary position.
[0031] The beneficial effects of the embodiment of the utility model are as follows:
[0032] The utility model embodiment can position the sliding door according to the demand, and the sliding door is provided with a door leaf 2, a handle 3 and an adjusting device 4, wherein the adjusting device 4 comprises a plug rod 41, when a user pulls the handle 3 to move the door leaf 2, the plug rod 41 can release the locking of the current position of the door leaf 2, so that the door leaf 2 can move according to the demand of the user, when moving to the required opening degree, the user releases the handle 3, and the handle 3 is at rest on the door leaf 2, at this time, the plug rod 41 can lock the door leaf 2, so that the door leaf 2 is fixed at the current position. Therefore, the utility model can adjust the door leaf 2 to any position according to the demand, realize the opening degree adjustment, and the adjustment can be realized when the door leaf 2 is moved, and the adjustment is simple.
[0033] The adjusting device 4 is arranged on the door leaf 2, in an embodiment, the adjusting device 4 is arranged at the middle part of the door leaf 2, which can not only save the space of the edge of the door leaf 2, but also can avoid the influence of the adjusting device 4 by the limit position of the door leaf 2 after being completely opened or closed, so that the damage of the adjusting device 4 caused by wind force or accidental collision can be reduced, thereby enhancing the stability and safety of the whole
[0034] Referring to Figure 4 , the sliding door according to the demand further comprises an adjusting rail 1, in order to realize the limiting of the plug rod 41, a plurality of fixing grooves 11 are arranged on the adjusting rail 1, the plurality of fixing grooves 11 are uniformly distributed along the length direction of the adjusting rail 1, and the number of the fixing grooves 11 is enough, so that the plug rod 41 can be fixed at any position of the adjusting rail 1. One end of the plug rod 41 away from the handle 3 is a fixed end 411, after the plug rod 41 is moved, the fixed end 411 can be inserted into the fixing groove 11 or separated from the fixing groove 11. When the fixed end 411 is inserted into the fixing groove 11, the adjusting rail 1 forms the limiting of the plug rod 41, thereby limiting the movement of the door leaf 2. When the fixed end 411 is separated from the fixing groove 11, the adjusting rail 1 loses the limiting of the plug rod 41, so that the door leaf 2 can be moved to any position.
[0035] Further, in order to protect the adjusting rail 1 and / or the plug rod 41, the surface of the fixing groove 11 and / or the outer surface of the fixed end 411 is provided with a buffer layer 42. The buffer layer 42 can be made of soft materials such as rubber, silica gel, sponge and the like, so as to protect the contact points of the adjusting rail 1 and / or the plug rod 41.
[0036] In order to drive the inserting rod 41, the adjusting device 4 further comprises a connecting rod 43, one end of the connecting rod 43 is connected with the inserting rod 41, and the other end of the connecting rod 43 is connected with the handle 3, when the handle 3 pulls the door leaf 2 to move, the handle 3 can drive the connecting rod 43 to move, and the connecting rod 43 can drive the inserting rod 41 to move vertically by swinging. In actual use, the moving direction of the handle 3 is horizontal direction, and the moving direction of the inserting rod 41 is vertical direction, by reasonably setting the position, length and swinging direction of the connecting rod 43, the horizontal movement of the handle 3 can be converted into the vertical movement of the inserting rod 41.
[0037] In order to enable the handle 3 to move relative to the door leaf 2, the sliding device 5 is further arranged between the handle 3 and the door leaf 2, the sliding device 5 comprises a sliding groove 51, the sliding groove 51 is horizontally arranged on the door leaf 2, the handle 3 is slidably connected with the sliding groove 51, and the handle 3 can move horizontally in the sliding groove 51, and the sliding groove 51 can limit the moving track and distance of the handle 3.
[0038] The sliding device 5 further comprises a front elastic member 52 and a rear elastic member 53, the number of the handle 3 can be one or multiple, when the number of the handle 3 is two, the two handles 3 can move in opposite directions respectively, so as to control the opening direction and closing direction of the door leaf 2. The handle 3 comprises a front pull rod 31 and a rear pull rod 32. When the number of the handle 3 is two, the front pull rod 31 and the rear pull rod 32 are arranged on different handles 3 respectively, one end of the front elastic member 52 is fixedly connected with the front pull rod 31, the other end of the front elastic member 52 is fixedly connected with the door leaf 2, one end of the rear elastic member 53 is fixedly connected with the rear pull rod 32, and the other end of the rear elastic member 53 is fixedly connected with the door leaf 2. When the handle 3 moves in the sliding groove 51, the front elastic member 52 or the rear elastic member 53 is compressed, and after the handle 3 is released, the front elastic member 52 and the rear elastic member 53 return to the initial state. When the door leaf 2 needs to move, the user applies a certain force to the handle 3, when the force is greater than the friction of the door leaf 2 and the elastic force of the front elastic member 52 or the rear elastic member 53, the door leaf 2 can move, and the inserting rod 41 moves in one direction, so that the other end of the inserting rod 41 abuts against the adjusting rail 1. After the handle 3 is released, the elastic force of the front elastic member 52 or the rear elastic member 53 drives the handle 3 to return to the initial position, so that the other end of the inserting rod 41 is separated from the adjusting rail 1.
[0039] Specifically, referring to Figure 5In the first embodiment, the number of handles 3 is two, which can respectively perform the opening and closing actions of the door leaf 2. In each handle 3, a connecting rod 43 is arranged between the handle 3 and the plug rod 41, which is in the shape of a "7" or other shapes, and the connecting rod 43 can also be multiple, wherein the two ends of the connecting rod 43 are respectively hinged to the plug rod 41 and the handle 3, and the middle part of the connecting rod 43 is hinged to the door leaf 2. When the handle 3 moves, the handle 3 drives the connecting rod 43 to rotate, and the horizontal movement (horizontal component of circular arc movement) of one end of the connecting rod 43 can be converted into the vertical movement (vertical component of circular arc movement) of the other end. At the same time, in order to adapt to the arc-shaped movement track of the connecting rod 43, the handle 3 and the plug rod 41 need to retain a certain degree of freedom, or an arc-shaped movement hole is arranged on the handle 3 or the plug rod 41.
[0040] Referring to Figure 6 In the second embodiment, the adjusting device 4 further comprises a driving structure 44 to facilitate the handle 3 to drive the plug rod 41 to move. One end of the connecting rod 43 away from the handle 3 is provided with a sliding part 431, which is in contact with and can slide relative to the driving structure 44. The sliding part 431 can slide horizontally relative to the driving structure 44. The driving structure 44 comprises a first driving part 441 and a second driving part 442, and when the handle 3 drives the connecting rod 43 to move, the sliding part 431 can be in contact with the first driving part 441 or the second driving part 442 to drive the plug rod 41 to move vertically. Specifically, the first driving part 441 and the second driving part 442 are arranged in two directions, and when the sliding part 431 is in contact with the first driving part 441 during movement in one direction, the other end of the plug rod 41 is separated from the adjusting rail 1, and when the sliding part 431 is in contact with the second driving part 442 during movement in the other direction, the other end of the plug rod 41 is also separated from the adjusting rail 1.
[0041] Referring to Figure 4 In order to limit the movement track of the plug rod 41 and enable the acting force to smoothly drive the vertical movement thereof, the push-pull door with on-demand positioning further comprises a limiting rod 6, which is vertically arranged and sleeved outside the plug rod 41, and the plug rod 41 and the limiting rod 6 are in sliding connection, and the plug rod 41 can slide vertically relative to the limiting rod 6. The limiting rod 6 can limit the movement direction and track of the plug rod 41.
[0042] Further, referring to Figure 6, in order to enable the insertion of the insertion rod 41 into the fixed slot 11 after the door leaf 2 stops moving, the driving structure 44 further comprises a horizontal portion 443, and the first driving portion 441 and the second driving portion 442 are symmetrically arranged on both sides of the horizontal portion 443, so that the sliding portion 431 can drive the first driving portion 441 and the second driving portion 442 from two directions respectively. The first driving portion 441 and the second driving portion 442 are arranged in an inclined manner, and the inclination directions of the first driving portion 441 and the second driving portion 442 are opposite. When it is necessary to adjust the position of the door leaf 2, the sliding portion 431 slides from the horizontal portion 443 to the first driving portion 441 or the second driving portion 442, and the fixed end 411 can be away from the fixed slot 11. Since the first driving portion 441 and the second driving portion 442 are symmetrically arranged, when the inclination directions of the first driving portion 441 and the second driving portion 442 are opposite, the sliding portion 431 can drive the insertion rod 41 to separate from the adjustment rail 1 no matter which direction the sliding portion 431 moves. After the movement is completed, the sliding portion 431 is reset to the position between the first driving portion 441 and the second driving portion 442, i.e., returns to the horizontal portion 443, at which time the fixed end 411 is inserted into the fixed slot 11 to form a fixation.
[0043] Referring to Figure 7 In the third embodiment, the driving structure 44 is a frame-shaped structure, wherein the first driving portion 441, the horizontal portion 443 and the second driving portion 442 are connected to form a closed frame, and the sliding portion 431 can slide in the frame. The adjustment rail 1 is arranged at the upper portion or above the door leaf 2, the slot opening of the fixed slot 11 faces downward, and the insertion rod 41 can be inserted into the fixed slot 11 by moving upward. The first driving portion 441 and the second driving portion 442 are inclined upward, and when the handle 3 drives the sliding portion 431 to move toward the first driving portion 441 or the second driving portion 442, the sliding portion 431 can abut against the lower portion of the first driving portion 441 or the second driving portion 442, and then press the first driving portion 441 or the second driving portion 442 downward, so that the first driving portion 441 or the second driving portion 442 drives the insertion rod 41 to move downward and separate from the fixed slot 11. After the movement is completed, the sliding portion 431 is reset to the position of the horizontal portion 443, at which time the insertion rod 41 is also reset and inserted into the fixed slot 11.
[0044] In the third embodiment, in order to facilitate the reset of the insertion rod 41 and the insertion into the fixed slot 11, the door leaf 2 is further provided with a reset mechanism 21, which comprises a reset elastic member 211 arranged on the door leaf 2 and a limiting table 212 arranged on the insertion rod 41. One end of the reset elastic member 211 is fixedly connected with the door leaf 2, and the other end of the reset elastic member 211 is connected with the limiting table 212. When the other end of the insertion rod 41 is separated from the adjusting rail 1, the reset elastic member 211 is compressed, and after the movement is completed, the sliding part 431 is reset to the position of the horizontal part 443. Under the elastic force of the reset elastic member 211, the insertion rod 41 moves upward, and the fixed end 411 is inserted into the fixed slot 11.
[0045] Referring to Figure 8 In the fourth embodiment, the adjusting rail 1 is arranged at the lower part or below the door leaf 2. At this time, the slot opening of the fixed slot 11 faces upward, and the insertion rod 41 moves downward to be inserted into the fixed slot 11. The first driving part 441 and the second driving part 442 are inclined downward. When the handle 3 drives the sliding part 431 to move toward the first driving part 441 or the second driving part 442, the sliding part 431 can abut against the upper part of the first driving part 441 or the second driving part 442, and then push the first driving part 441 or the second driving part 442 upward, so that the first driving part 441 or the second driving part 442 drives the insertion rod 41 to move upward and separate from the fixed slot 11. After the movement is completed, the sliding part 431 is reset to the position of the horizontal part 443. At this time, the insertion rod 41 is inserted into the fixed slot 11 under the action of gravity.
[0046] The above is the preferred embodiment of the present application. It should be noted that, for those skilled in the art, without departing from the principles of the present application, some improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the present application.
Claims
1. A positionable sliding door, characterized in that, The door leaf, the handle provided on the door leaf, and the adjusting device provided on the handle, the adjusting device comprising a plug rod, the plug rod being movably connected to the door leaf and being in transmission connection with the handle, the handle being capable of driving the plug rod to move on the door leaf so as to fix the door leaf at a current position or release the fixation of the door leaf at the current position; When the handle pulls the door leaf to move, the handle is capable of driving the plug rod to release the locking of the current position of the door leaf, so that the door leaf can move; When the handle is at rest on the door leaf, the plug rod is capable of locking the door leaf, so that the door leaf is fixed at the current position; The on-demand positionable sliding door further comprises an adjusting rail, a plurality of fixing grooves are provided on the adjusting rail, the fixing grooves are uniformly distributed along the length direction of the adjusting rail, one end of the plug rod away from the handle is a fixed end, and the fixed end can be inserted into or separated from the fixing groove after the plug rod moves.
2. The on-demand positionable sliding door of claim 1, wherein, The adjusting device further comprises a connecting rod, one end of the connecting rod is connected to the plug rod, and the other end of the connecting rod is connected to the handle, the handle can drive the connecting rod to move when the handle pulls the door leaf to move, and the connecting rod can drive the plug rod to move vertically.
3. The on-demand positionable sliding door of claim 1, wherein, The handle and the door leaf are further provided with a sliding device, the sliding device comprises a sliding groove, the sliding groove is horizontally provided on the door leaf, the handle is in sliding connection with the sliding groove, and the handle can move horizontally in the sliding groove.
4. The on-demand positionable sliding door of claim 3, wherein, The sliding device further comprises a front elastic member and a rear elastic member, the handle comprises a front pull rod and a rear pull rod, one end of the front elastic member is fixedly connected to the front pull rod, the other end of the front elastic member is fixedly connected to the door leaf, one end of the rear elastic member is fixedly connected to the rear pull rod, and the other end of the rear elastic member is fixedly connected to the door leaf, the front elastic member or the rear elastic member is compressed when the handle moves in the sliding groove.
5. The on-demand positionable sliding door of claim 2, wherein, The adjusting device further comprises a driving structure, one end of the connecting rod away from the handle is provided with a sliding part, the sliding part is in contact with the driving structure and can slide relative to the driving structure; The driving structure comprises a first driving part and a second driving part, the sliding part can be in contact with the first driving part or the second driving part and drive the plug rod to move vertically when the handle drives the connecting rod to move.
6. The on-demand positionable sliding door of claim 5, wherein, The driving structure further comprises a horizontal part, the first driving part and the second driving part are symmetrically provided on two sides of the horizontal part, the first driving part and the second driving part are obliquely arranged, and the oblique directions of the first driving part and the second driving part are opposite; When the sliding part is located on the horizontal part, the fixed end is inserted into the fixing groove; When the sliding part slides from the horizontal part to the first driving part or the second driving part, the fixed end can be away from the fixing groove.
7. The on-demand positionable sliding door of claim 1, wherein, Further comprising a limiting rod, the limiting rod is vertically arranged and sleeved on the plug rod, the plug rod is in sliding connection with the limiting rod, and the plug rod can slide vertically relative to the limiting rod.
8. The on-demand positionable sliding door of claim 1, wherein, The adjusting rail is arranged on the upper part or above the door leaf, and a reset mechanism is further arranged on the door leaf, the reset mechanism comprising a reset elastic member arranged on the door leaf and a limiting table arranged on the inserting rod, one end of the reset elastic member being fixedly connected with the door leaf, and the other end of the reset elastic member being connected with the limiting table; when the other end of the inserting rod is separated from the adjusting rail, the reset elastic member is compressed.
9. The on-demand positionable sliding door of claim 1, wherein, The adjusting rail is arranged on the lower part or below the door leaf, when the handle pulls the door leaf to move, the fixed end moves upward to be separated from the fixed groove, and when the handle is at rest on the door leaf, the fixed end is inserted into the fixed groove downward.