Smooth sliding door buffering piece

Abstract

The utility model provides a sliding door buffering piece which comprises a spiral shell, threads used for installation are formed in the surface of the spiral shell, a piston is arranged in the spiral shell, the top of the piston is fixedly connected with a guide column, and the top of the guide column is fixedly connected with a contact structure. The bottom of the piston is movably connected with an adjusting structure, the bottom of the surface of the adjusting structure is sleeved with a limiting plate, and the surface of the limiting plate is fixedly connected with the inner wall of the spiral shell. The bottom of the adjusting structure is fixedly connected with a rotating structure, and the bottom of the rotating structure is movably connected with the bottom of the inner wall of the spiral shell. By arranging the spiral shell, the piston, the guide column, the contact structure, the adjusting structure, the limiting plate, the rotating structure, the spring, the sealing ring and the like, the problems that an existing sliding door buffering piece is low in response speed, non-adjustable in damping force and incapable of adapting to different environments are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of smooth door buffer, especially to be a kind of smooth door buffer. BACKGROUND

[0002] Smooth door buffer is a kind of key component used in smooth door system, aims at slowing down the speed and impact force of door in the process of opening and closing, so as to realize the smooth, quiet and safe operation of door, this buffer is usually made of high-quality rubber, spring or other elastic material, with excellent durability and reliability, by absorbing and dispersing the energy generated by door movement, smooth door buffer can effectively reduce noise and vibration, improve user experience, and protect door and surrounding structure from damage.

[0003] In the prior art, buffer is needed in smooth door system, but the existing smooth door buffer may have problems such as slow response speed, unadjustable damping force and the like in the use process, which cannot adapt to the needs of different environments, causing the problem of inconvenient use of smooth door buffer. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a smooth door buffer, which can adjust damping force conveniently and adapt to different environmental requirements, to solve the problems of slow response speed, unadjustable damping force and the like of the existing smooth door buffer.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a smooth door buffer, comprising a spiral shell, a thread for installation is formed on the surface of the spiral shell, a piston is arranged in the interior of the spiral shell, a guide column is fixedly connected to the top of the piston, a contact structure is fixedly connected to the top of the guide column;

[0006] An adjusting structure is movably connected to the bottom of the piston, a limit plate is sleeved on the bottom surface of the adjusting structure, the surface of the limit plate is fixedly connected with the inner wall of the spiral shell;

[0007] A rotating structure is fixedly connected to the bottom of the adjusting structure, the bottom of the rotating structure is movably connected with the bottom of the inner wall of the spiral shell, one side of the rotating structure penetrates to the outside of the spiral shell;

[0008] A spring is fixedly connected to the bottom of the piston, the bottom of the spring is fixedly connected with the top of the limit plate, a sealing ring is sleeved on the surface of the guide column, the surface of the sealing ring is fixedly connected with the top of the interior of the spiral shell, the interior of the spiral shell is filled with liquid.

[0009] Further, the contact structure includes a top column, a groove is arranged at the bottom of the top column and matched with the guide column, a screw is arranged at the top of the top column, the threaded end of the screw penetrates through the top column and extends into the interior of the guide column, and a rubber ring for buffering is fixedly connected to the top of the top column.

[0010] Further, the adjusting structure includes an adjusting disc, a limiting seat is fixedly connected to the top of the adjusting disc, the limiting seat penetrates into the interior of the piston, a through hole is arranged in the interior of the adjusting disc and the piston, the number of the through holes is several and they are uniformly distributed, a movable tube is fixedly connected to the bottom of the adjusting disc, a limiting tube is sleeved on the surface of the movable tube, the bottom of the limiting tube is fixedly connected with the top of the rotating structure, and the bottom of the limiting tube is movably connected with the top of the limiting plate.

[0011] Further, the rotating structure includes a turbine, a fixed column is fixedly connected to the interior of the turbine, the top of the fixed column penetrates through the limiting plate and is fixedly connected with the bottom of the limiting tube, the bottom of the surface of the fixed column is movably connected with the bottom of the inner wall of the spiral shell, a worm is engaged with one side of the turbine, and the front side of the worm penetrates through the spiral shell and extends to the surface of the spiral shell.

[0012] Further, the bottom of the movable tube is fixedly connected with a limiting disc, the periphery of the limiting disc is convex, and a guide groove is arranged in the interior of the limiting tube and used for guiding the limiting disc.

[0013] Further, the front side and the rear side of the surface of the worm are sleeved with bearing seats, the side of the bearing seat close to the spiral shell is fixedly connected with the inner wall of the spiral shell, and the front side of the worm is fixedly connected with a rotating seat used for rotating the worm.

[0014] The utility model discloses the beneficial effects of the following:

[0015] 1. The utility model discloses a spiral shell, piston, guide column, contact structure, adjusting structure, limiting plate, rotation structure, spring and sealing ring etc. structure is set up, and the spiral shell and the thread design on its surface not only provide stable installation foundation for the overall structure, but also facilitate the connection and fixation with external equipment, enhance the practicality, the fixed connection of piston and guide column makes piston can stably and accurately move in the spiral shell, thereby effectively control the flow or pressure change of internal fluid, the contact structure that guide column top contacts, can be convenient to replace, and when contact with the door can play the buffering effect, the setting of adjusting structure allows user to adjust the moving range or strength of piston according to actual demand, limiting plate ensures the stability and accuracy of adjusting structure in the moving process, the introduction of rotation structure makes that user can control the movement state of internal structure through rotating external operating part, not only simple operation, but also improve the flexibility and controllability of overall structure, the setting of spring not only provides necessary reset force for piston, but also enhances the stability and durability of overall structure, and sealing ring effectively prevents fluid leakage, ensures the sealing property and safety of overall structure.

[0016] 2. The utility model discloses a contact structure is set up, through the recess that the top post bottom sets up and is used with the guide column, realize the accurate positioning and stable connection between the top post and the guide column, improve the stability and reliability of structure, the screw of the top post top setting, its threaded end can penetrate the top post and extend to the inside of guide column, further enhance the connecting strength between the top post and the guide column, make the whole structure more firm and durable, the rubber ring of top post top fixed connection, play good buffering effect, can effectively reduce noise when receiving external force impact, protect internal structure from being damaged.

[0017] 3. The utility model discloses an adjusting structure is set up, can realize the flexible adjustment of the opening and closing size of piston inside through hole, through the position of adjusting disc, through the cross cooperation of the through hole on adjusting disc and the through hole on piston, realize the through hole of adjusting different size, thereby realize the accurate regulation of fluid flow or pressure, the cooperation of movable pipe and limit pipe, convenient rotation structure drives adjusting disc to rotate.

[0018] 4. The utility model discloses a rotation structure is set up, can realize fine transmission and control, the meshing design of turbine and worm makes that rotation movement can be stably and accurately transmitted, the connecting structure of fixed column and limiting plate, limit pipe, enhance the stability of overall structure, the movable connection of fixed column and spiral shell inner wall, guarantee the smooth and flexible of turbine in the rotation process, reduce friction and loss.

[0019] 5、The utility model discloses a limiting disc and guide groove are set up, can make the movable pipe in the up and down movement process convenient limit pipe drive rotation, the four -corner projection design of limiting disc can effectively prevent the movable pipe from separating limit pipe, improved the stability of overall structure, the guide groove plays the guiding effect to limiting disc, ensured the trajectory accurate of movable pipe when up and down movement, further improved the reliability of structure.

[0020] 6、The utility model discloses a bearing seat and rotation seat are set up, can enhance the stability and support force of worm in the rotation process, reduce the friction and wear and tear between worm and spiral shell, improve the durability and service life of overall structure, through the rotation of rotation seat, can conveniently rotation seat drive worm and rotate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0022] Figure 1 It is structure schematic drawing of the utility model;

[0023] Figure 2 It is spiral shell half -sectional perspective schematic drawing;

[0024] Figure 3 It is piston half -sectional perspective schematic drawing;

[0025] Figure 4 It is limit pipe half -sectional perspective schematic drawing;

[0026] Figure 5 It is piston and limit seat separation schematic drawing.

[0027] In the drawing: 1, spiral shell;2, piston;3, guide column;4, limiting plate;5, spring;6, sealing ring;7, jackscrew;8, screw;9, rubber ring;10, adjusting disc;11, limit seat;12, through -hole;13, movable pipe;14, limit pipe;15, turbine;16, fixed column;17, worm;18, limiting disc;19, guide groove;20, bearing seat;21, rotation seat. DETAILED DESCRIPTION

[0028] In order to make the technical means, creation features, achieve the purpose and effect of the utility model easy to understand, the following specific implementation mode is further elaborated the utility model.

[0029] Please refer to Figure 1 , Figure 1 It is structure schematic drawing of the utility model.

[0030] A smooth door buffer, including a spiral shell 1, the surface of the spiral shell 1 is provided with threads for installation, the inside of the spiral shell 1 is provided with a piston 2, the top of the piston 2 is fixedly connected with a guide column 3, the top of the guide column 3 is fixedly connected with a contact structure;

[0031] The bottom of the piston 2 is movably connected with an adjusting structure, the bottom surface of the adjusting structure is sleeved with a limiting plate 4, the surface of the limiting plate 4 is fixedly connected with the inner wall of the spiral shell 1;

[0032] The bottom of the adjusting structure is fixedly connected with a rotating structure, the bottom of the rotating structure is movably connected with the bottom of the inner wall of the spiral shell 1, one side of the rotating structure penetrates to the outside of the spiral shell 1;

[0033] The bottom of the piston 2 is fixedly connected with a spring 5, the bottom of the spring 5 is fixedly connected with the top of the limiting plate 4, the surface of the guide column 3 is sleeved with a sealing ring 6, the surface of the sealing ring 6 is fixedly connected with the top of the inside of the spiral shell 1, the inside of the spiral shell 1 is filled with liquid.

[0034] Please refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , Figure 2 It is a half-partial perspective view of the spiral shell; Figure 3 It is a half-partial perspective view of the piston; Figure 4 It is a half-partial perspective view of the limiting tube; Figure 5 It is a half-partial perspective view of the piston and the limiting seat.

[0035] The contact structure includes a top column 7, the bottom of the top column 7 is provided with a groove matched with the guide column 3, the top of the top column 7 is provided with a screw 8, the threaded end of the screw 8 penetrates the top column 7 and extends to the inside of the guide column 3, the top of the top column 7 is fixedly connected with a rubber ring 9 for buffering, through the groove matched with the guide column 3 at the bottom of the top column 7, the precise positioning and stable connection between the top column 7 and the guide column 3 are realized, the stability and reliability of the structure are improved, the screw 8 provided at the top of the top column 7 can penetrate the top column 7 and extend to the inside of the guide column 3, the connection strength between the top column 7 and the guide column 3 is further enhanced, so that the whole structure is more firm and durable, the rubber ring 9 fixedly connected at the top of the top column 7 plays a good buffering role, can effectively reduce noise when subjected to external force impact, and protects the internal structure from being damaged.

[0036] The adjusting structure comprises an adjusting disc 10, the top of the adjusting disc 10 is fixedly connected with a limiting seat 11, the top of the limiting seat 11 penetrates into the interior of the piston 2, the adjusting disc 10 and the interior of the piston 2 are both provided with through holes 12, the number of the through holes 12 is several and is uniformly distributed, the bottom of the adjusting disc 10 is fixedly connected with a movable pipe 13, the surface of the movable pipe 13 is sleeved with a limiting pipe 14, the bottom of the limiting pipe 14 is fixedly connected with the top of the rotating structure, the bottom of the limiting pipe 14 is movably connected with the top of the limiting plate 4, the opening and closing size of the through holes 12 in the interior of the piston 2 can be flexibly adjusted, the position of the adjusting disc 10 is adjusted, the through holes 12 on the adjusting disc 10 are cross matched with the through holes 12 on the piston 2, the through holes 12 of different sizes are adjusted, the fluid flow or pressure is accurately adjusted, the movable pipe 13 is used in cooperation with the limiting pipe 14, the rotating structure is convenient for driving the adjusting disc 10 to rotate.

[0037] The rotating structure comprises a turbine 15, the interior of the turbine 15 is fixedly connected with a fixed column 16, the top of the fixed column 16 penetrates through the limiting plate 4 and is fixedly connected with the bottom of the limiting pipe 14, the bottom of the surface of the fixed column 16 is movably connected with the bottom of the inner wall of the spiral shell 1, one side of the turbine 15 is engaged with a worm 17, the front side of the worm 17 penetrates through the spiral shell 1 and extends to the surface of the spiral shell 1, fine transmission and control can be achieved, the engagement design of the turbine 15 and the worm 17 enables the stable and accurate transmission of the rotary motion, the connecting structure of the fixed column 16 and the limiting plate 4 and the limiting pipe 14 enhances the stability of the overall structure, the movable connection of the fixed column 16 and the inner wall of the spiral shell 1 ensures the smoothness and flexibility of the turbine 15 in the rotating process, and reduces friction and loss.

[0038] The bottom of the movable pipe 13 is fixedly connected with a limiting disc 18, the periphery of the limiting disc 18 is convex, the interior of the limiting pipe 14 is provided with a guide groove 19 for guiding the limiting disc 18, which can make the movable pipe 13 conveniently rotate with the limiting pipe 14 during the up and down movement, the periphery of the limiting disc 18 is convex, which can effectively prevent the movable pipe 13 from separating from the limiting pipe 14, and improve the stability of the overall structure, the guide groove 19 plays a guiding role on the limiting disc 18, ensures the accurate trajectory of the movable pipe 13 during the up and down movement, and further improves the reliability of the structure.

[0039] The front side and the rear side of the surface of the worm 17 are both sleeved with a bearing seat 20, the side close to the spiral shell 1 of the bearing seat 20 is fixedly connected with the inner wall of the spiral shell 1, the front side of the worm 17 is fixedly connected with a rotating seat 21 for rotating the worm 17, which can enhance the stability and support force of the worm 17 during the rotating process, reduce the friction and wear between the worm 17 and the spiral shell 1, improve the durability and service life of the overall structure, and the rotating seat 21 can be conveniently rotated by rotating the rotating seat 21.

[0040] Working principle: when the smooth door buffer needs to be installed, the installation piece is screwed on the spiral shell 1, the structure is fixed in the appropriate position through the installation piece, the rubber ring 9 is aligned with the smooth door, when the smooth door is opened, the smooth door extrudes the rubber ring 9, the rubber ring 9 is flexibly contacted, the rubber ring 9 drives the top column 7 to move, the top column 7 drives the guide column 3 to move, the guide column 3 drives the piston 2 to move, the piston 2 pushes the liquid on one side of the spring 5, the liquid on one side of the spring 5 enters the other side through the through hole 12, the purpose of buffering is realized through the slowly passing liquid, at the same time, the piston 2 extrudes the spring 5, further buffering is realized, when the smooth door is removed, the spring 5 rebounds the piston 2, the liquid on the other side of the piston 2 flows back to one side of the spring 5 through the through hole 12, the movable pipe 13 is limited in the limiting pipe 14 by the limiting disc 18, the piston 2 is limited and stably reset, when the buffering is too fast or too slow, the rotating seat 21 is rotated, the worm 17 is driven to rotate by the rotating seat 21, the turbine 15 is driven to rotate around the fixed column 16 by the worm 17, the fixed column 16 is driven to rotate by the turbine 15, the limiting pipe 14 is driven to rotate by the fixed column 16, the limiting disc 18 is driven to rotate by the limiting pipe 14, the movable pipe 13 is driven to rotate by the limiting disc 18, the adjusting disc 10 is driven to rotate by the movable pipe 13, the adjusting disc 10 rotates around the limiting seat 11, the size of the through hole 12 on the adjusting disc 10 and the through hole 12 on the piston 2 is staggered, the flow rate of the liquid is controlled, the larger the staggered opening is, the faster the flow rate is, the smaller the staggered opening is, the slower the flow rate is, the larger the resistance is, and the longer the buffering time is.

[0041] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A smooth door closer, characterized by: Including the spiral shell (1), the surface of the spiral shell (1) is provided with threads for installation, the inside of the spiral shell (1) is provided with a piston (2), the top of the piston (2) is fixedly connected with a guide column (3), the top of the guide column (3) is fixedly connected with a contact structure; The bottom of the piston (2) is movably connected with an adjusting structure, the bottom surface of the adjusting structure is sleeved with a limiting plate (4), the surface of the limiting plate (4) is fixedly connected with the inner wall of the spiral shell (1); The bottom of the adjusting structure is fixedly connected with a rotating structure, the bottom of the rotating structure is movably connected with the bottom of the inner wall of the spiral shell (1), one side of the rotating structure penetrates to the outside of the spiral shell (1); The bottom of the piston (2) is fixedly connected with a spring (5), the bottom of the spring (5) is fixedly connected with the top of the limiting plate (4), the surface of the guide column (3) is sleeved with a sealing ring (6), the surface of the sealing ring (6) is fixedly connected with the top of the inside of the spiral shell (1), the inside of the spiral shell (1) is full of liquid.

2. A smooth door closer according to claim 1, characterised in that: The contact structure includes a top column (7), the bottom of the top column (7) is provided with a groove matched with the guide column (3), the top of the top column (7) is provided with a screw (8), the threaded end of the screw (8) penetrates the top column (7) and extends to the inside of the guide column (3), the top of the top column (7) is fixedly connected with a rubber ring (9) for buffering.

3. A smooth door closer according to claim 1, wherein: The adjusting structure includes an adjusting disc (10), the top of the adjusting disc (10) is fixedly connected with a limiting seat (11), the top of the limiting seat (11) penetrates to the inside of the piston (2), the inside of the adjusting disc (10) and the piston (2) are both provided with through holes (12), the number of the through holes (12) is several, and they are uniformly distributed, the bottom of the adjusting disc (10) is fixedly connected with a movable tube (13), the surface of the movable tube (13) is sleeved with a limiting tube (14), the bottom of the limiting tube (14) is fixedly connected with the top of the rotating structure, and the bottom of the limiting tube (14) is movably connected with the top of the limiting plate (4).

4. A smooth door closer according to claim 3, wherein: The rotating structure includes a turbine (15), the inside of the turbine (15) is fixedly connected with a fixed column (16), the top of the fixed column (16) penetrates the limiting plate (4) and is fixedly connected with the bottom of the limiting tube (14), the bottom of the surface of the fixed column (16) is movably connected with the bottom of the inner wall of the spiral shell (1), one side of the turbine (15) is engaged with a worm (17), the front side of the worm (17) penetrates the spiral shell (1) and extends to the surface of the spiral shell (1).

5. A smooth door closer according to claim 3, wherein: The bottom of the movable tube (13) is fixedly connected with a limiting disc (18), the periphery of the limiting disc (18) is convex, the inside of the limiting tube (14) is provided with a guide groove (19) for guiding the limiting disc (18).

6. A smooth door closer damper according to claim 4, wherein: The front side and the back side of the surface of the worm (17) are sleeved with bearing seats (20), the bearing seats (20) are fixedly connected with the inner wall of the spiral shell (1) near one side of the spiral shell (1), and the front side of the worm (17) is fixedly connected with a rotating seat (21) for rotating the worm (17).

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