CN113982402A - Buffering lifting rotating shaft device - Google Patents

Abstract

The invention discloses a buffer lifting rotating shaft device which comprises a mounting seat, a buffer assembly, a rotating shaft assembly and a lifting assembly, wherein the buffer assembly is fixed in the mounting seat, the mounting seat is provided with a rotating shaft hole, the lifting assembly is arranged in the rotating shaft hole, the rotating shaft assembly comprises a rotating shaft, the rotating shaft can rotate in the rotating shaft hole, the lifting assembly comprises a first rotating lifting piece, the first rotating lifting piece can enable the rotating assembly to drive a rotating shaft door to ascend or descend when rotating, the buffer assembly comprises a buffer, a buffer boss is arranged on the rotating shaft, and the buffer boss can enable the buffer to perform sliding buffer on the rotating motion of the rotating shaft assembly when rotating. By adopting the invention, the rotation of the rotating shaft door can be buffered, the height of the rotating shaft door when the rotating shaft door is closed can be reduced, and the function of preventing water splashing can be realized while the door is opened and closed in a buffering manner.

Description

Buffering lifting rotating shaft device

Technical Field

The invention relates to the technical field of rotating shafts, in particular to a buffer lifting rotating shaft device.

Background

The rotating shaft device of the prior bathroom door is divided into the following two types: the rotating shaft device only has a rotating function, can only meet the requirements of opening and closing the rotating shaft door, cannot control the opening and closing speed of the rotating shaft door, and cannot effectively buffer the rotating shaft door, so that abnormal noise is generated when the rotating shaft door collides with a door frame, and the service life of the rotating shaft door is influenced; another kind is for having buffer function's pivot device, and this kind of pivot device uses the spring to cushion the pivot door usually, owing to need rely on the spring to resume the original length to carry out closing of pivot door, consequently often need open the pivot door to great angle when opening the pivot door and just can realize the buffering, uses not humanized enough, and the size of elasticity is uncontrollable moreover, and the failure way carries out better buffering when closing the door. In addition, the two rotating shaft doors have single functions, and the problem that the water splashing prevention function cannot be well realized due to too large gap between the rotating shaft doors and the bottom guide rail is also solved when the rotating shaft doors are used.

Disclosure of Invention

The invention aims to solve the technical problem of providing a buffer lifting rotating shaft device which can buffer the rotation of a rotating shaft door, reduce the height of the rotating shaft door when the rotating shaft door is closed and realize the function of water splashing prevention while realizing the buffer door opening and closing.

In order to solve the technical problem, the invention provides a buffer lifting rotating shaft device which is arranged on a rotating shaft door and comprises an installation seat, a buffer assembly, a rotating shaft assembly and a lifting assembly, wherein the buffer assembly is fixed in the installation seat, the installation seat is provided with a rotating shaft hole, and the lifting assembly is arranged in the rotating shaft hole.

The rotating shaft assembly comprises a rotating shaft, and the rotating shaft can rotate in the rotating shaft hole.

The lifting assembly comprises a first rotary lifting piece, the first rotary lifting piece is sleeved outside the rotating shaft and can rotate along with the rotating shaft, and the first rotary lifting piece can enable the rotating assembly to drive the rotating shaft door to ascend or descend when rotating.

The buffer assembly comprises a buffer, a buffer boss is arranged on the rotating shaft, and the buffer boss can enable the buffer to perform sliding buffer on the rotating motion of the rotating shaft assembly when the buffer boss rotates.

As an improvement of the above scheme, the first rotary lifting member is provided with a first lifting lug and a first lifting groove, and the first lifting lug is smoothly connected with the first lifting groove.

One end of the first rotary lifting piece is provided with a first positioning block, a corresponding position at one end of the rotating shaft is provided with a first positioning groove, and the first rotary lifting piece can be fixedly and coaxially connected with the first positioning groove through the matching of the first positioning block and the first positioning groove.

As an improvement of the above scheme, the lifting assembly further comprises a second rotary lifting member, the second rotary lifting member is provided with a second lifting lug and a second lifting groove, and the second lifting lug is smoothly connected with the second lifting groove.

One end of the second rotary lifting piece is provided with a second positioning block, a second positioning groove is formed in the corresponding position in the mounting seat, and the second rotary lifting piece can be fixedly and coaxially connected with the second positioning groove through the matching of the second positioning block and the second positioning groove.

As an improvement of the above scheme, the protruding direction of the first lifting lug is opposite to the protruding direction of the second lifting lug, and the recessed directions of the first lifting groove and the second lifting groove are opposite.

The first lifting lug can rotate and slide between the second lifting groove and the second lifting lug and can ascend or descend.

As an improvement of the above solution, the first rotary lifting member and the second rotary lifting member have the same shape, the first rotary lifting member is located at one end close to the rotating shaft, and the second rotary lifting member is located at one end close to the mounting base.

As an improvement of the scheme, one end of the rotating shaft, which is close to the mounting seat, is provided with a buffering action column, and the buffering boss is arranged on the side part of the buffering action column.

The buffer action column is characterized in that a plurality of edges at the side part of the buffer action column form a plurality of buffer bosses, and the surfaces of the buffer bosses are smooth curved surfaces.

As an improvement of the scheme, a first sliding surface and a second sliding surface are respectively arranged on two sides of the buffering boss, and the first sliding surface and the second sliding surface are planes or curved surfaces.

As an improvement of the above scheme, the buffer assembly further comprises a buffer ejector rod, the buffer ejector rod is connected with the movable end of the buffer, and the buffer ejector rod can abut against the first sliding surface, the second sliding surface and the buffer boss to slide and extrude the buffer.

As an improvement of the above scheme, the buffer mode of the buffer is hydraulic buffer.

The number of the buffers is 2, and 2 buffers are oppositely arranged around the rotating shaft.

As an improvement of the above scheme, the rotating shaft assembly further comprises a door leaf fixing seat, a gasket, a glass fixing sheet and a cover plate, the door leaf fixing seat is arranged at one end of the rotating shaft far away from the mounting seat, the rotating shaft door is fixed between the gasket and the glass fixing sheet, and the gasket and the glass fixing sheet are arranged between the door leaf fixing seat and the cover plate.

The implementation of the invention has the following beneficial effects:

the buffer lifting rotating shaft device is provided with a buffer assembly and a lifting assembly, wherein the buffer assembly comprises a buffer, and when a rotating shaft on the rotating shaft assembly rotates along with a rotating shaft door, the buffer can utilize a buffer boss on the rotating shaft to perform sliding buffer on the rotating shaft door, so that the buffer effect on the rotating shaft door during opening and closing rotation is realized; in addition, a first rotary lifting piece is arranged in the lifting assembly, when the door is closed, the first rotary lifting piece can enable the position of the rotating shaft to vertically descend, and then the rotating shaft door is driven to vertically descend, so that a gap between the rotating shaft door and the bottom guide rail is greatly reduced, and the function of water splashing prevention is achieved. Therefore, the buffer lifting rotating shaft device can buffer the rotation of the rotating shaft door, can reduce the height of the rotating shaft door when the rotating shaft door is closed, and realizes the function of water splashing prevention while realizing the buffer door opening and closing.

Drawings

FIG. 1 is a schematic view of the installation structure of the buffering elevating rotary shaft device and the rotary shaft door of the present invention;

FIG. 2 is an exploded view of the structure of the buffering elevating rotary shaft device of the present invention;

FIG. 3 is a partial view of A in FIG. 2;

FIG. 4 is a schematic view of the installation structure of the first rotary lifting member and the rotary shaft according to the present invention;

FIG. 5 is a schematic view of the mounting structure of the second rotary lifting member and the mounting seat of the present invention;

FIG. 6 is a schematic view of the buffering elevating shaft device of the present invention in a door closing state;

FIG. 7 is a schematic view of the lifting assembly of the buffering lifting spindle device of the present invention in a door closing state;

FIG. 8 is a schematic view of the buffering elevating rotation shaft device of the present invention in a door opening state;

fig. 9 is a schematic view of the lifting assembly of the buffering lifting rotating shaft device in the door opening state.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

Referring to fig. 1 and 2, the embodiment of the invention discloses a buffer lifting rotating shaft device 10, which is installed on a rotating shaft door 5, wherein the rotating shaft door 5 can be opened and closed by using the buffer lifting rotating shaft device 10. A guide rail is arranged below the rotating shaft door 5, and a gap is reserved between the rotating shaft door 5 and the guide rail. The buffering lifting rotating shaft device 10 comprises a mounting seat 1, a buffering assembly 2, a rotating shaft assembly 3 and a lifting assembly 4, wherein the buffering assembly 2 is used for buffering the rotating motion of the rotating shaft door 5, the rotating shaft assembly 3 is used for enabling the rotating shaft door 5 to realize a rotating function, and the lifting assembly 4 is used for enabling the rotating shaft door 5 to descend to reduce a gap between the rotating shaft door and a bottom guide rail. Specifically, the buffer assembly 2 is fixed in the mounting base 1, the mounting base 1 is provided with a rotating shaft hole 11, and the lifting assembly 4 is installed in the rotating shaft hole 11. The rotating shaft assembly 3 comprises a rotating shaft 31, the rotating shaft 31 passes through the rotating shaft hole 11 and can rotate in the rotating shaft hole 11, and the rotating shaft 31 can be driven by the rotating shaft door 5 to rotate.

In order to realize the lifting function, the lifting assembly 4 includes a first rotary lifting member 41, the first rotary lifting member 41 is sleeved outside the rotating shaft 31 and can rotate along with the rotating shaft 31, and the first rotary lifting member 41 can enable the rotating assembly to drive the rotating shaft door 5 to ascend or descend when rotating. When the rotating shaft door 5 drives the rotating shaft 31 to rotate, the rotating assembly can drive the rotating shaft door 5 to ascend or descend under the action of the first rotating lifting piece 41. Specifically, before the door is opened, the first rotary lifting element 41 is located at the bottom, when the door is opened, the rotary shaft door 5 drives the rotary shaft 31 to rotate, at this time, the first rotary lifting element 41 rotates along with the rotary shaft 31, in the rotating process, the position of the first rotary lifting element 41 gradually rises to the highest position, so that the rotary shaft 31 drives the rotary shaft door 5 to rise, thereby enlarging the gap between the rotary shaft door 5 and the bottom guide rail, and facilitating the entry and exit of a user, when the door is closed, the rotary shaft door 5 drives the rotary shaft 31 to rotate in the opposite direction, the first rotary lifting element 41 gradually rotates and falls from the highest position, thereby driving the rotary shaft door 5 to slowly fall, and finally, the gap between the rotary shaft door 5 and the bottom guide rail is reduced, so that the function of preventing water splashing when the door is closed is realized.

In the process, the buffer component 2 can also buffer the processes of opening and closing the door, so that the speed of the rotating shaft door 5 is slower when the door is opened and closed, and the noise generated by collision when the door is closed is avoided. The buffer component 2 comprises a buffer 21, a buffer boss 311 is arranged on the rotating shaft 31, the buffer 21 is connected with the buffer boss 311, the buffer boss 311 can enable the buffer 21 to buffer the rotation movement of the rotating shaft component 3 in a sliding mode when the buffer boss 311 rotates, so that the opening and closing speeds of the rotating shaft door 5 are reduced, the rotating shaft door 5 can be prevented from colliding, and clamping injury can be prevented.

The embodiment of the invention has the following beneficial effects:

the buffering lifting rotating shaft device 10 provided by the embodiment of the invention is provided with the buffering component 2 and the lifting component 4, wherein the buffering component 2 is used for buffering the movement of the rotating shaft door 5 during door opening and door closing, the buffering component 2 comprises the buffer 21, and the buffer 21 can utilize the buffering boss 311 on the rotating shaft 31 to perform sliding buffering on the rotating shaft door 5, so that the buffering effect on the rotating of the rotating shaft door 5 during door opening and closing rotation is realized. Meanwhile, the lifting assembly 4 is provided with a first rotary lifting member 41, the first rotary lifting member 41 can rotate along with the rotating shaft 31, in the rotating process, the first rotary lifting member 41 can control the rotating shaft 31 to rotate from a lower position to a higher position and rotate from the higher position to the lower position, when the rotating shaft door 5 is closed, the rotating shaft 31 rotates from the higher position to the lower position and drives the rotating shaft door 5 to descend, and the gap between the rotating shaft door 5 and a bottom guide rail is reduced, so that the function of water splashing prevention is improved. Therefore, the buffering lifting rotating shaft device 10 in the embodiment of the invention can buffer the rotation of the rotating shaft door 5, and can also reduce the height of the rotating shaft door 5 when the rotating shaft door is closed, thereby realizing the functions of buffering opening and closing the door and preventing water from splashing.

Referring to fig. 3, 4 and 5, the first rotary lifting member 41 is provided with a first lifting protrusion 411 and a first lifting groove 412, and the first lifting protrusion 411 is smoothly connected with the first lifting groove 412. One end of the first rotary lifting piece 41 is provided with a first positioning block 413, a corresponding position at one end of the rotating shaft 31 is provided with a first positioning groove 312, the first rotary lifting piece 41 can be connected with the first positioning groove 312 in a fixed and coaxial manner through the first positioning block 413 and the first positioning groove 312, and the rotating shaft 31 drives the first rotary lifting piece 41 to rotate coaxially through the cooperation of the first positioning block 413 and the first positioning groove 312. In order to realize the lifting function of the first rotary lifting member 41, the lifting assembly 4 further includes a second rotary lifting member 42, the second rotary lifting member 42 is provided with a second lifting protrusion 421 and a second lifting recess 422, and the second lifting protrusion 421 is smoothly connected with the second lifting recess 422. Similarly, one end of the second rotary lifting element 42 is provided with a second positioning block 423, a corresponding position in the mounting base 1 is provided with a second positioning groove 12, the second rotary lifting element 42 can be fixedly and coaxially connected with the second positioning groove 12 through the matching between the second positioning block 423 and the second positioning groove 12, and the second rotary lifting element 42 can be fixed in the mounting base 1 through the matching between the second positioning block 423 and the second positioning groove 12. Therefore, the first rotary lifting element 41 is a movable element, and the second rotary lifting element 42 is a fixed element.

The protruding direction of the first lifting protrusion 411 is opposite to the protruding direction of the second lifting protrusion 421, and the recessed directions of the first lifting groove 412 and the second lifting groove 422 are opposite. Referring to fig. 6 and 7, in the door closing state, the first lifting/lowering protrusion 411 can be sunk into the two lifting/lowering recesses, and the second lifting/lowering protrusion 421 can be sunk into the first lifting/lowering recess 412, with the first rotary lifting/lowering member 41 at the lowest position. The first lifting/lowering protrusion 411 is rotatably slid between the second lifting/lowering recess 422 and the second lifting/lowering protrusion 421 and ascends or descends. Specifically, when the revolving door 5 is opened, because the first lifting/lowering protrusion 411 is smoothly connected to the first lifting/lowering recess 412 and the second lifting/lowering protrusion 421 is smoothly connected to the second lifting/lowering recess 422, the first lifting/lowering protrusion 411 can smoothly and slowly move from the second lifting/lowering recess 422 to the second lifting/lowering protrusion 421, and because of the protruding action of the second lifting/lowering protrusion 421, the height of the first rotary lifting/lowering member 41 will gradually rise along with the process of moving from the second lifting/lowering recess 422 to the second lifting/lowering protrusion 421 until the top end of the first lifting/lowering protrusion 411 is connected to the top end of the second lifting/lowering protrusion 421, and at this time, the first rotary lifting/lowering member 41 is located at the highest position, and the revolving door 5 also completes the opening action.

On the contrary, referring to fig. 8 and 9, when the door is closed, the first rotary lifting/lowering member 41 rotates in the opposite direction, so that the first lifting/lowering protrusion 411 slowly slides from the second lifting/lowering protrusion 421 into the second lifting/lowering recess 422, at this time, the first rotary lifting/lowering member 41 descends from the highest position to the lowest position, and drives the rotary shaft door 5 to descend, so that the gap between the rotary shaft door 5 and the bottom guide rail is gradually reduced, when the rotary shaft door 5 is completely closed, the first lifting/lowering protrusion 411 completely returns to the position of the second lifting/lowering recess 422, the second lifting/lowering protrusion 421 also returns to the position of the first lifting/lowering recess 412, at this time, the gap between the rotary shaft door 5 and the bottom guide rail is minimum, and the water splashing prevention function can be maximally achieved. Preferably, a connection line between the lowest point of the second elevation recess 422 and the axis of the second rotary elevation member 42 forms 90 ° with a connection line between the highest point of the second elevation protrusion 421 and the axis of the second rotary elevation member 42, so that the range of the angle spanned by the revolving door 5 from the closed state to the fully opened state is 0 ° to 90 °.

In the present embodiment, for convenience of production, installation and component management, the first rotary lifting and lowering member 41 and the second rotary lifting and lowering member 42 have the same shape, preferably are the same component, wherein the first rotary lifting and lowering member 41 is located at one end close to the rotating shaft 31, and the second rotary lifting and lowering member 42 is located at one end close to the mounting base 1. The same parts are used as the first rotary lifter 41 and the second rotary lifter 42, so that the types of parts can be reduced, the parts can be managed conveniently, and the situation of wrong parts can be avoided.

In order to realize buffering, one end of the rotating shaft 31 close to the mounting seat 1 is provided with a buffering action column 313, and the buffering boss 311 is arranged at the side part of the buffering action column 313. A plurality of buffer bosses 311 are formed on a plurality of edges of the side portions of the buffer action columns 313, and the surfaces of the buffer bosses 311 are smooth curved surfaces. Buffering boss 311's both sides are equipped with first glide plane 314 and second glide plane 315 respectively, buffering subassembly 2 still includes buffering ejector pin 22, buffering ejector pin 22 with the expansion end of buffer 21 is connected, buffering ejector pin 22 can support first glide plane 314 second glide plane 315 with it is right to slide on the buffering boss 311 buffer 21 produces the extrusion.

Specifically, when opening the door, pivot door 5 drives rotation axis 31 rotates, the cushioning effect post 313 can follow the rotation, and before rotatory, cushioning ejector pin 22 supports on first glide plane 314, at rotatory in-process, a plurality of that a plurality of edges of cushioning effect post 313 lateral part formed buffering boss 311 can slide buffering ejector pin 22, because the protruding effect of buffering boss 311, buffering ejector pin 22 can be by buffering boss 311 extrudees, thus it is right buffer 21 extrudees, buffer 21 produces the extrusion buffering this moment, makes the velocity of motion of buffering ejector pin 22 reduces, thereby reduces the rotational speed of rotation axis 31, right pivot door 5 produces the cushioning effect. After sliding over the buffer boss 311, the buffer rod 22 will abut against the second sliding surface 315, and at this time, the rotating shaft door 5 is completely rotated and is in a fully opened state. When the door is closed, the rotating shaft door 5 drives the buffer action column 313 to rotate, in the rotating process, the buffer ejector rod 22 gradually slides to the buffer boss 311 from the second sliding surface 315, under the action of the protrusion of the buffer boss 311, the buffer ejector rod 22 is pressed by the buffer boss 311 to press the buffer 21, at this time, the buffer 21 generates compression buffering, the movement speed of the buffer ejector rod 22 is reduced, the rotation speed of the rotating shaft 31 is reduced, a buffer action is generated on the rotating shaft door 5, then the buffer ejector rod 22 slides to the first sliding surface 314 from the second sliding surface 315, and at this time, the rotation of the rotating shaft door 5 is completed.

The first sliding surface 314 and the second sliding surface 315 may be a plane or a curved surface, in this embodiment, the first sliding surface 314 is a curved surface, and the second sliding surface 315 is a plane, so that the state of the door can be more stable when the door is completely opened and closed, and the buffer ejector 22 can smoothly slide on the second sliding surface 315.

The buffer mode of the buffer 21 is hydraulic buffer, the buffer 21 is a hydraulic buffer 21, compared with a spring buffer 21, the buffer stress of the hydraulic buffer is more uniform and easier to control, and the buffer effect is not reduced due to deformation. In order to make the force applied to the buffer action column 313 uniform, the number of the buffers 21 is 2, and 2 buffers 21 are oppositely arranged around the rotating shaft 31, preferably on two opposite surfaces of the buffer action column 313.

In order to fix the rotating shaft door 5, the rotating shaft assembly 3 further includes a door leaf fixing seat 32, a gasket 33, a glass fixing piece 34 and a cover plate 35, the door leaf fixing seat 32 is disposed at one end of the rotating shaft 31 far away from the mounting seat 1, the rotating shaft door 5 is fixed between the gasket 33 and the glass fixing piece 34, the gasket 33 and the glass fixing piece 34 can effectively prevent slipping and improve the fixing effect, and the gasket 33 and the glass fixing piece 34 are disposed between the door leaf fixing seat 32 and the cover plate 35.

The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.

Claims (10)

1. A buffer lifting rotating shaft device is arranged on a rotating shaft door and is characterized by comprising an installation seat, a buffer component, a rotating shaft component and a lifting component, wherein the buffer component is fixed in the installation seat;

the rotating shaft assembly comprises a rotating shaft which can rotate in the rotating shaft hole;

the lifting assembly comprises a first rotary lifting piece, the first rotary lifting piece is sleeved outside the rotating shaft and can rotate along with the rotating shaft, and the first rotary lifting piece can enable the rotating assembly to drive the rotating shaft door to ascend or descend when rotating;

the buffer assembly comprises a buffer, a buffer boss is arranged on the rotating shaft, and the buffer boss can enable the buffer to perform sliding buffer on the rotating motion of the rotating shaft assembly when the buffer boss rotates.

2. The buffer lifting spindle device according to claim 1, wherein the first rotary lifting member is provided with a first lifting protrusion and a first lifting groove, and the first lifting protrusion is smoothly connected with the first lifting groove;

one end of the first rotary lifting piece is provided with a first positioning block, a corresponding position at one end of the rotating shaft is provided with a first positioning groove, and the first rotary lifting piece can be fixedly and coaxially connected with the first positioning groove through the matching of the first positioning block and the first positioning groove.

3. The buffer lifting spindle device according to claim 2, wherein the lifting assembly further comprises a second rotary lifting member, the second rotary lifting member is provided with a second lifting protrusion and a second lifting groove, and the second lifting protrusion is smoothly connected with the second lifting groove;

one end of the second rotary lifting piece is provided with a second positioning block, a second positioning groove is formed in the corresponding position in the mounting seat, and the second rotary lifting piece can be fixedly and coaxially connected with the second positioning groove through the matching of the second positioning block and the second positioning groove.

4. The apparatus according to claim 3, wherein the first elevation protrusion protrudes in a direction opposite to that of the second elevation protrusion, and the first elevation groove and the second elevation groove are recessed in a direction opposite to that of the first elevation groove;

the first lifting lug can rotate and slide between the second lifting groove and the second lifting lug and can ascend or descend.

5. The apparatus as claimed in claim 4, wherein the first rotary lifter and the second rotary lifter have the same shape, the first rotary lifter is located at an end close to the rotation shaft, and the second rotary lifter is located at an end close to the mounting base.

6. The buffer lifting rotating shaft device as claimed in claim 1, wherein a buffer acting column is arranged at one end of the rotating shaft close to the mounting seat, and the buffer boss is arranged at the side part of the buffer acting column;

the buffer action column is characterized in that a plurality of edges at the side part of the buffer action column form a plurality of buffer bosses, and the surfaces of the buffer bosses are smooth curved surfaces.

7. The buffer lifting rotating shaft device according to claim 6, wherein a first sliding surface and a second sliding surface are respectively arranged on two sides of the buffer boss, the first sliding surface is a plane or a curved surface, and the second sliding surface is a plane or a curved surface.

8. The buffer lifting rotating shaft device according to claim 7, wherein the buffer assembly further comprises a buffer ejector rod, the buffer ejector rod is connected with the movable end of the buffer, and the buffer ejector rod can abut against the first sliding surface, the second sliding surface and the buffer boss to slide and extrude the buffer.

9. The buffer lifting rotating shaft device as claimed in claim 1, wherein the buffer mode of the buffer is hydraulic buffer;

the number of the buffers is 2, and 2 buffers are oppositely arranged around the rotating shaft.

10. The buffering lifting rotating shaft device according to claim 1, wherein the rotating shaft assembly further comprises a door leaf fixing seat, a gasket, a glass fixing piece and a cover plate, the door leaf fixing seat is arranged at one end of the rotating shaft far away from the installation seat, the rotating shaft door is fixed between the gasket and the glass fixing piece, and the gasket and the glass fixing piece are arranged between the door leaf fixing seat and the cover plate.

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