CN219034406U

CN219034406U - Hydraulic buffering door closing hinge

Info

Publication number: CN219034406U
Application number: CN202222814553.3U
Authority: CN
Inventors: 唐声扬
Original assignee: Lanxi Maya Hardware Co ltd
Current assignee: Lanxi Maya Hardware Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-16
Anticipated expiration: 2032-10-25

Abstract

The utility model belongs to the technical field of door-closing hinges, and particularly relates to a hydraulic buffer door-closing hinge, which comprises: the novel telescopic shaft comprises a first shaft tube and a second shaft tube, wherein a cushion block is arranged between the first shaft tube and the second shaft tube, a first sealing cover is arranged at the upper end of the first shaft tube, a placement hole is formed in the lower end face of the first sealing cover, a shaft core is arranged in the placement hole, a torsion spring is arranged on the outer surface of the shaft core, a fixing seat is fixedly connected with the lower end of the shaft core, a telescopic rod is fixedly connected with the inner wall of the lower end of the first shaft tube, a telescopic rod is rotatably connected with the inner wall of the upper end of the second shaft tube, a thread groove is formed in the inner wall of the second shaft tube, a rotating block is connected with the inner thread of the thread groove, and a second sealing cover is arranged at the lower end of the second shaft tube. Through setting up first sealed lid, second sealed lid, conveniently change torsional spring, hydraulic buffer gear, when torsional spring or hydraulic buffer gear damage, need not to change whole hinge.

Description

Hydraulic buffering door closing hinge

Technical Field

The utility model belongs to the technical field of door closing hinges, and particularly relates to a hydraulic buffer door closing hinge.

Background

The hinge for the traditional door is a folding hinge, and the main hinge is fixedly arranged on a door frame and a door plate after being hinged with the auxiliary hinge, so that the buffer effect on closing the door can not be achieved, and the speed of closing the door can not be controlled. When the door is closed, if larger external force exists, the door plate and the door frame collide violently to generate larger sound, and the violent collision easily causes overlarge interaction force between the door plate and the door frame, so that the door plate or the door frame is easily damaged, the service lives of the door frame and the door plate are influenced, certain potential safety hazards exist, various defects of the folding hinge are avoided, and the hinge for the door with a buffer effect on the door is gradually developed in the market.

But current buffering hinge that closes the door, after using for a long time, the torsional spring can't continue to use, need change whole hinge this moment, causes the waste of resource.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a hydraulic buffering door closing hinge which can be convenient to replace a torsion spring and prolong the service life of the whole buffering door closing hinge.

In view of this, the present utility model provides a hydraulic buffer door-closing hinge, comprising: the novel telescopic shaft comprises a first shaft tube and a second shaft tube, wherein a cushion block is arranged between the first shaft tube and the second shaft tube, a first sealing cover is arranged at the upper end of the first shaft tube, a placing hole is formed in the lower end face of the first sealing cover, a shaft core is arranged in the placing hole, a torsion spring is arranged on the outer surface of the shaft core, a fixing seat is rotationally connected to the lower end of the shaft core, a telescopic rod is fixedly connected to the inner wall of the lower end of the first shaft tube, the lower end of the fixing seat is fixedly connected with the upper end of the telescopic rod, a telescopic rod is rotationally connected to the inner wall of the upper end of the second shaft tube, one end of the torsion spring is fixedly connected with one side of the shaft core, and the other end of the torsion spring is fixedly connected with the upper end of the telescopic rod;

the inner wall of the second shaft pipe is provided with a thread groove, the thread groove is internally connected with a rotating block in a threaded mode, the upper end of the rotating block is fixedly connected with the lower end of the telescopic rod, the lower end of the rotating block is fixedly connected with a piston rod, the lower end of the second shaft pipe is provided with a second sealing cover, and the upper end of the second sealing cover is fixedly connected with a hydraulic buffer mechanism.

In the technical scheme, the axle core and the torsion spring are arranged, the axle core rotates to enable the torsion spring to twist and deform, and the first hinge is reversed through the elasticity of the torsion spring, so that the door is closed; the first sealing cover and the second sealing cover are arranged, so that the torsion spring and the hydraulic buffer mechanism are convenient to replace, and when the torsion spring or the hydraulic buffer mechanism is damaged, the whole hinge is not required to be replaced; through setting up thread groove, rotatory piece, telescopic link, rotatory piece drives piston rod extrusion hydraulic buffer mechanism, realizes buffering.

In the above technical scheme, further, one side of the first shaft tube is fixedly connected with a first hinge, and one side of the second shaft tube is fixedly connected with a second hinge.

In this technical scheme, through setting up first hinge, second hinge, conveniently fix the hinge on the door.

In the above technical scheme, further, a plurality of mounting holes are formed in the surfaces of the first hinge and the second hinge.

In this technical scheme, through setting up the mounting hole, conveniently fixed first hinge, second hinge.

In the above technical scheme, further, the cushion block is made of alloy steel.

In this technical scheme, through setting up the cushion, make first central siphon, second shaft pipe rotate more stably.

In the above technical scheme, further, the telescopic rod rotates on the inner wall of the cushion block.

In the above technical scheme, further, the surfaces of the first sealing cover and the second sealing cover are provided with rotary threads.

In the above technical scheme, further, the first sealing cover is fixedly connected with the first shaft tube through a rotary thread, and the second sealing cover is fixedly connected with the second shaft tube through a rotary thread.

In the above technical scheme, further, the hydraulic buffer mechanism includes the shell, the inside sliding connection of shell has the piston board, the upper end fixedly connected with extrusion rod of piston board, the through-hole has been seted up to the surface symmetry of piston board (the piston board is connected with the piston rod.

The beneficial effects of the utility model are as follows:

1. through setting up axle core, torsional spring, the axle core rotates and makes torsional spring distortion, makes first hinge reversal through the elasticity of torsional spring, realizes closing the door.

2. Through setting up first sealed lid, second sealed lid, conveniently change torsional spring, hydraulic buffer gear, when torsional spring or hydraulic buffer gear damage, need not to change whole hinge.

3. Through setting up thread groove, rotatory piece, telescopic link, rotatory piece drives piston rod extrusion hydraulic buffer mechanism, realizes buffering.

Drawings

FIG. 1 is a perspective view of a hydraulically cushioned door closure hinge of the present utility model;

FIG. 2 is a cross-sectional view of a hydraulically cushioned door closure hinge in accordance with the present utility model;

FIG. 3 is a schematic diagram illustrating the structure of FIG. 2A according to the present utility model;

FIG. 4 is a perspective view of a first seal cover of a hydraulic cushioned door closure hinge of the present utility model;

FIG. 5 is a cross-sectional view of a hydraulic damping mechanism of a hydraulic damping door closing hinge according to the present utility model;

the label in the figure is:

1. a first shaft tube; 2. a first hinge; 3. a second shaft tube; 4. a second hinge; 5. a cushion block; 6. a first sealing cover; 7. a second sealing cover; 8. a mounting hole; 9. a shaft core; 10. a torsion spring; 11. a fixing seat; 12. a telescopic rod; 13. a hydraulic buffer mechanism; 14. a rotating block; 15. a thread groove; 16. a piston rod; 17. placing the hole; 18. rotating the thread; 131. an extrusion rod; 132. a housing; 133. a through hole; 134. a piston plate.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Examples:

the embodiment provides a hydraulic buffer door closing hinge, which comprises a first shaft tube 1 and a second shaft tube 3, wherein a cushion block 5 is arranged between the first shaft tube 1 and the second shaft tube 3, the upper end of the first shaft tube 1 is provided with a first sealing cover 6, the lower end surface of the first sealing cover 6 is provided with a placing hole 17, the inside of the placing hole 17 is provided with a shaft core 9, the outer surface of the shaft core 9 is provided with a torsion spring 10, the shaft core 9 and the torsion spring 1 are arranged, the torsion spring 10 is twisted and deformed, the first hinge 2 is reversely rotated through the elasticity of the torsion spring 1 to realize door closing, the lower end of the shaft core 9 is rotationally connected with a fixed seat 11, the inner wall of the lower end of the first shaft tube 1 is fixedly connected with a telescopic rod 12, the lower end of the fixed seat 11 is fixedly connected with the upper end of the telescopic rod 12, the inner wall of the upper end of the second shaft tube 3 is rotationally connected with the telescopic rod 12, one end of the torsion spring 10 is fixedly connected with one side of the shaft core 9, and the other end of the torsion spring 10 is fixedly connected with the inner wall of the telescopic rod 12;

the screw thread groove 15 has been seted up to the inner wall of second shaft pipe 3, screw thread groove 15 inside threaded connection has rotary piece 14, through setting up screw thread groove 15, rotary piece 14, telescopic link 12, rotary piece 14 drives piston rod 16 extrusion hydraulic buffer gear 13, realize buffering, the upper end of rotary piece 14 and the lower extreme fixed connection of telescopic link 12, the lower extreme fixedly connected with piston rod 16 of rotary piece 14, the lower extreme of second shaft pipe 3 is provided with sealed lid 7 of second, the upper end fixedly connected with hydraulic buffer gear 13 of sealed lid 7 of second, through setting up sealed lid 6 of first, sealed lid 7 of second, conveniently change torsional spring 10, hydraulic buffer gear 13, when torsional spring 10 or hydraulic buffer gear 13 damage, need not to change whole hinge.

One side fixedly connected with first hinge 2 of first central siphon 1, one side fixedly connected with second hinge 4 of second central siphon 3, through setting up first hinge 2, second hinge 4, conveniently fix the hinge on the door, a plurality of mounting hole 8 has all been seted up on the surface of first hinge 2, second hinge 4, through setting up mounting hole 8, conveniently fix first hinge 2, second hinge 4, cushion 5 adopts alloy steel to make, through setting up cushion 5, make first central siphon 1, the rotation of second central siphon 3 more stable, telescopic link 12 rotates in cushion 5 inner wall, the surface of first sealed lid 6, the surface of second sealed lid 7 all is provided with rotary screw 18, first sealed lid 6 passes through rotary screw 18 and first central siphon 1 fixed connection, second sealed lid 7 passes through rotary screw 18 and second central siphon 3 fixed connection, hydraulic buffer gear 13 includes shell 132, the inside of shell 132 is annotated full of hydraulic oil, the inside sliding connection of shell 132 has piston plate 134, the upper end fixedly connected with extrusion rod 131 of piston plate 134, through-hole 133 has been seted up to the surface symmetry of piston plate 134.

Working principle: when the hydraulic buffering door closing hinge is used, the door closing hinge is installed through the first hinge 2, the second hinge 4 and the installation hole 5, after installation is completed, the first hinge 2 drives the first shaft tube 1 to rotate, the first shaft tube 1 drives the telescopic rod 12 to rotate, the telescopic rod 12 drives the torsion spring 10 to twist and deform, the shaft core 9 is made to rotate, meanwhile, the telescopic rod 12 rotates to drive the rotating block 14 to rotate, the rotating block 14 moves in the thread groove 15, the piston rod 16 is driven to extrude the extruding rod 131 of the hydraulic buffering mechanism 13, the extruding rod 131 extrudes the piston plate 134 to buffer, after the force acting on a door disappears, the torsion spring 10 resets, the first hinge 2 is reversed through the elasticity of the torsion spring 10, and the door closing is realized; when the torsion spring 10 or the hydraulic buffer mechanism 13 is damaged, the torsion spring 10 and the hydraulic buffer mechanism 13 can be replaced by unscrewing the first sealing cover 6 and the second sealing cover 7.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A hydraulically cushioned door closure hinge, comprising: the novel telescopic shaft comprises a first shaft tube (1) and a second shaft tube (3), wherein a cushion block (5) is arranged between the first shaft tube (1) and the second shaft tube (3), a first sealing cover (6) is arranged at the upper end of the first shaft tube (1), a placement hole (17) is formed in the lower end face of the first sealing cover (6), a shaft core (9) is arranged in the placement hole (17), a torsion spring (10) is arranged on the outer surface of the shaft core (9), a fixing seat (11) is rotationally connected to the lower end of the shaft core (9), a telescopic rod (12) is fixedly connected to the inner wall of the lower end of the first shaft tube (1), a telescopic rod (12) is fixedly connected to the lower end of the fixing seat (11), a telescopic rod (12) is rotationally connected to the inner wall of the upper end of the second shaft tube (3), one end of the torsion spring (10) is fixedly connected to one side of the shaft core (9), and the other end of the torsion spring (10) is fixedly connected to the upper end of the telescopic rod (12).

The inner wall of second shaft pipe (3) has seted up screw thread groove (15), screw thread groove (15) inside threaded connection has rotatory piece (14), the upper end of rotatory piece (14) and the lower extreme fixed connection of telescopic link (12), the lower extreme fixedly connected with piston rod (16) of rotatory piece (14), the lower extreme of second shaft pipe (3) is provided with sealed lid (7), the upper end fixedly connected with hydraulic buffer gear (13) of sealed lid (7).

2. The hydraulically buffered door closer hinge according to claim 1, wherein a first hinge (2) is fixedly connected to one side of the first shaft tube (1), and a second hinge (4) is fixedly connected to one side of the second shaft tube (3).

3. The hydraulically buffered door closer hinge according to claim 2, wherein the surfaces of the first hinge (2) and the second hinge (4) are provided with a plurality of mounting holes (8).

4. A hydraulically damped door closing hinge according to claim 1, wherein the spacer (5) is made of alloy steel.

5. A hydraulically damped door closing hinge according to claim 1, wherein the telescopic rod (12) rotates on the inner wall of the spacer (5).

6. A hydraulically damped door closing hinge according to claim 1, wherein the surfaces of the first sealing cover (6) and the second sealing cover (7) are provided with a rotating thread (18).

7. The hydraulically damped door closing hinge of claim 6, wherein the first sealing cap (6) is fixedly connected to the first shaft tube (1) by means of a rotating screw thread (18), and the second sealing cap (7) is fixedly connected to the second shaft tube (3) by means of a rotating screw thread (18).

8. The hydraulically damped door closing hinge of claim 1, wherein the hydraulic damping mechanism (13) comprises a housing (132), a piston plate (134) is slidably connected inside the housing (132), an extrusion rod (131) is fixedly connected to the upper end of the piston plate (134), and through holes (133) are symmetrically formed in the surface of the piston plate (134).