CN219081330U

CN219081330U - Buffer for side-hung door

Info

Publication number: CN219081330U
Application number: CN202223373194.9U
Authority: CN
Inventors: 杜兴星; 邓栋梁
Original assignee: Zhongshan Baidike Hardware Products Co ltd
Current assignee: Zhongshan Baidike Hardware Products Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-26
Anticipated expiration: 2032-12-15

Abstract

The utility model provides a vertical hinged door buffer, which has the technical scheme that: the mounting box is provided with a cover plate at the upper end, a base is arranged below the mounting box, a sleeve is arranged in the mounting box, a gas spring is arranged in the sleeve, a telescopic movable top shaft is arranged on the gas spring, a ball is movably arranged at one end of the top shaft in the sleeve, a first fixing piece is rotatably arranged on the cover plate, a second fixing piece is arranged at the upper end of the base and right below the first fixing piece, a positioning connecting piece is arranged between the first fixing piece and the second fixing piece, and the ball is propped against one side of the positioning connecting piece; in the structure of the utility model, the pneumatic spring is adopted, the volume of the buffer is greatly reduced, the attractiveness of the door plate is not affected after the buffer is installed, and meanwhile, the rolling balls are arranged, so that the rolling friction of the rolling balls is small, and the buffer process is smoother.

Description

Buffer for side-hung door

[ field of technology ]

The utility model relates to the field of buffers, in particular to a vertical hinged door buffer.

[ background Art ]

In the decoration of a home house, a single vertical hinged door is generally used, in order to fully utilize space, the home vertical hinged door is installed near a corner, so that an opened door plate can be stopped on a wall at right angles with a door hole wall, when the door plate is opened or opened by wind power, the door plate is inevitably caused to strike the wall, and then the door plate is damaged or the wall is damaged. The buffer is required to be installed on the door to solve the problem, but most of the existing side-hung door buffers on the market are transversely-pulled dampers, so that the existing side-hung door buffers are transversely wide, have large volume and easily exceed the size of a door frame, and influence the appearance after installation; and the buffer process of the conventional side-hung door buffer is not smooth enough, and the door plate is blocked when rotating.

[ utility model ]

The utility model provides a vertical hinged door buffer, which aims to solve the problem that the prior vertical hinged door buffer affects the appearance after being installed and has insufficient smoothness in the buffering process.

In order to solve the problems, the utility model provides the following technical scheme:

a swing door damper, characterized by: including the mounting box the upper end of mounting box is equipped with the apron the below of mounting box is equipped with the base be equipped with the sleeve in the mounting box be equipped with pneumatic spring in the sleeve be equipped with scalable removal's apical axis in the sleeve just be located the mobilizable ball that is equipped with of one end of apical axis be equipped with first mounting on the apron the upper end of base just be located be equipped with the second mounting under the first mounting be equipped with the locating connection piece between the first mounting with the ball supports one side of locating connection piece.

The vertical hinged door buffer as described above, wherein: the upper end and the lower extreme of locating connection spare are equipped with and are used for connecting respectively first mounting with the latch of second mounting the bottom of first mounting is equipped with and is used for the card to go into the first draw-in groove of latch the top of second mounting is equipped with and is used for the card to go into the second draw-in groove of latch.

The vertical hinged door buffer as described above, wherein: the side surface of the positioning connecting piece is provided with a first positioning hole and a second positioning hole which are used for positioning the closing angle and the opening angle respectively.

The vertical hinged door buffer as described above, wherein: the first positioning holes and the second positioning holes are arranged in pairs, the first positioning holes and the second positioning holes are symmetrically distributed at intervals, and the central lines of the first positioning holes and the second positioning holes are mutually perpendicular.

The vertical hinged door buffer as described above, wherein: and an inclined plane is arranged on the positioning connecting piece and positioned between the adjacent first positioning hole and second positioning hole, and the inclined plane is inclined from the second positioning hole to the first positioning hole.

The vertical hinged door buffer as described above, wherein: two angle limiting blocks are symmetrically arranged on two sides of the bottom surface of the mounting box, and rotary limiting blocks are correspondingly arranged on the upper surface of the base and on the side surface of the second fixing piece.

The vertical hinged door buffer as described above, wherein: a first bearing is arranged between the first fixing piece and the cover plate, and a second bearing is arranged between the second fixing piece and the mounting box.

The vertical hinged door buffer as described above, wherein: one end of the mounting box is provided with a threaded hole, a screw cap is arranged in the threaded hole, and one end of the gas spring, which is far away from the top shaft, is propped in the screw cap.

The vertical hinged door buffer as described above, wherein: the second fixing piece and the base are integrated, a screw is arranged below the base, and the first fixing piece, the positioning connecting piece and the base are fixedly connected through the screw.

The vertical hinged door buffer as described above, wherein: the rotation angle range of the installation box relative to the base is-90 degrees to +90 degrees.

Compared with the prior art, the utility model has the following advantages:

1. the buffer for the vertical hinged door adopts the pneumatic spring, and the pneumatic spring is cylindrical and has the linear telescopic action of the top shaft, so that the installation box does not need to be provided with a wider width, the size of the buffer is greatly reduced, the installation is convenient, the installation box is embedded and installed at the bottom end of the door plate, and the base is fixedly installed on a door frame or the ground, so that the attractiveness of the door plate cannot be affected after the installation.

2. The vertical hinged door buffer is provided with the ball and the sleeve, the pneumatic spring is always in a compressed state, the top shaft is propped against the ball, the ball is propped against the positioning connecting piece, the first fixing piece, the second fixing piece and the positioning connecting piece are fixed, the first fixing piece, the second fixing piece and the positioning connecting piece form a rotating shaft, the ball is propped against the positioning connecting piece to roll when the door plate drives the mounting box to rotate around the rotating shaft, meanwhile, the ball can move in the sleeve due to the fact that the lengths from the center to the edge of the positioning connecting piece are different, the top shaft is pushed to resist the thrust of the pneumatic spring, the thrust of the pneumatic spring is smaller when the rotating speed of the door plate is smaller due to the characteristics of the pneumatic spring, the door plate can be easily pushed, and the thrust of the pneumatic spring is larger when the rotating speed of the door plate is larger, and has a good buffering effect; meanwhile, due to the arrangement of the balls, the rolling friction of the balls is small, so that the buffering process is smoother.

3. The vertical hinged door buffer is provided with the first positioning hole and the second positioning hole, when the door plate is in a closed state, the ball bearing abuts against the first positioning hole, and when the door plate is in an open state, the ball bearing abuts against the second positioning hole, so that practical application is facilitated.

4. The vertical hinged door buffer is provided with the inclined plane, and the included angle between the inclined plane and the plane where the first positioning hole is located is generally set to be 60 degrees, so that when the opening angle of the door plate is smaller than 60 degrees, the ball bearing abuts against the inclined plane and returns to the first positioning hole under the pushing of the top shaft, and the automatic buffer door closing function is realized.

[ description of the drawings ]

FIG. 1 is a perspective view of the swing door bumper;

FIG. 2 is a top view of the side hung door damper;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a first exploded view of the swing door bumper;

FIG. 5 is a second exploded view of the swing door bumper;

FIG. 6 is a third exploded view of the swing door bumper;

FIG. 7 is a fourth exploded view of the swing door bumper;

FIG. 8 is an enlarged view of the positioning connector;

in the figure: 1 is an installation box; 2 is a cover plate; 3 is a base; 4 is a sleeve; 5 is a gas spring; 6 is a top shaft; 7 is a ball; 8 is a first fixing piece; 9 is a second fixing piece; 10 is a positioning connecting piece; 11 is a first clamping groove; 12 is a second clamping groove; 13 is a latch; 14 is a first positioning hole; 15 is a second positioning hole; 16 is an inclined plane; 17 is an angle limiting block; 18 is a rotation limiting block; 19 is a first bearing; 20 is a second bearing; 21 is a threaded hole; 22 is a screw cap; 23 are screws.

[ detailed description ] of the utility model

The technical features of the present utility model are described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the features.

The utility model provides a vertical hinged door buffer, as shown in fig. 1-8, including mounting box 1 the upper end of mounting box 1 is equipped with apron 2 the below of mounting box 1 is equipped with base 3 be equipped with sleeve 4 in the mounting box 1 be equipped with pneumatic spring 5 be equipped with scalable removal's jackshaft 6 on the pneumatic spring 5 be equipped with ball 7 in the sleeve 4 and be located the mobilizable one end of jackshaft 6 be equipped with first mounting 8 on the apron 2 the upper end of base 3 just be equipped with second mounting 9 under first mounting 8 be equipped with location connecting piece 10 between first mounting 8 with second mounting 9, ball 7 supports one side of location connecting piece 10.

Specifically, as shown in fig. 4 and 5, the upper end and the lower end of the positioning connector 10 are provided with a latch 13 for respectively connecting the first fixing member 8 and the second fixing member 9, the bottom end of the first fixing member 8 is provided with a first clamping groove 11 for clamping in the latch 13, and the top end of the second fixing member 9 is provided with a second clamping groove 12 for clamping in the latch 13.

In addition, as shown in fig. 3, the second fixing member 9 is integrated with the base 3, a screw 23 is provided below the base 3, and the first fixing member 8, the positioning connector 10 and the base 3 are fixedly connected by the screw 23.

Specifically, the installation application mode of the vertical hinged door buffer is as follows:

the cover plate 2 is fixedly arranged on the installation box 1 through small screws, the first fixing piece 8, the positioning connecting piece 10 and the base 3 are fixedly connected through the screws 23, and the first fixing piece 8, the second fixing piece 9 and the positioning connecting piece 10 form a rotating shaft; when the side-hung door buffer is installed and applied to a door leaf, the installation box 1 is embedded and installed at the bottom end of the door plate, and the base 3 is fixedly installed on a door frame or the ground;

when the door plate is pushed, the base 3 is fixed, the first fixing part 8, the second fixing part 9 and the positioning connecting part 10 are fixed, the door plate drives the installation box 1 to rotate around the rotating shaft, the balls 7 abut against the positioning connecting part 10 to roll, meanwhile, due to the fact that the lengths from the center to the edge of the positioning connecting part 10 are different, the balls 7 can move in the sleeve 4, due to the fact that the pneumatic springs 5 are always in a compressed state, the top shafts 6 abut against the balls 7, the balls 7 abut against the positioning connecting part 10, the balls 7 can push the top shafts 6 to resist the thrust of the pneumatic springs 5 after moving backwards in the sleeve 4, due to the characteristics of the pneumatic springs 5, when the rotating speed of the door plate is small, the thrust of the pneumatic springs 5 is small, the door plate can be pushed easily, and when the rotating speed of the door plate is large, the thrust of the pneumatic springs 5 is large, and a good buffering effect is achieved.

Specifically, as shown in fig. 4 to 8, a first positioning hole 14 and a second positioning hole 15 for respectively positioning a closing angle and an opening angle are formed on a side surface of the positioning connector 10, when the door panel is in a closed state, the ball 7 is abutted against the first positioning hole 14, when the door panel is in an open state, the ball 7 is abutted against the second positioning hole 15, and the first positioning hole 14 and the second positioning hole 15 can position the open and close state of the door panel, so that practical application is convenient.

In addition, as shown in fig. 4 to 8, the first positioning holes 14 and the second positioning holes 15 are two, the first positioning holes 14 and the second positioning holes 15 are spaced apart from each other and are symmetrically distributed, the central lines of the first positioning holes 14 and the second positioning holes 15 are perpendicular to each other, in practical application, the opening and closing angle of the door panel is typically-90 ° to +90°, and therefore, the first positioning holes 14 and the second positioning holes 15 are two and are symmetrically arranged, so that practical installation and application are facilitated.

Specifically, as shown in fig. 8, an inclined plane 16 is disposed on the positioning connector 10 and between the adjacent first positioning hole 14 and second positioning hole 15, the inclined plane 16 is inclined from the second positioning hole 15 to the first positioning hole 14, and an included angle between the inclined plane 16 and a plane where the first positioning hole 14 is located is generally set to be 60 °, so when an opening angle of the door panel is smaller than 60 °, the ball 7 abuts against the inclined plane 16 and returns to the first positioning hole 14 under the pushing of the top shaft 6, thereby realizing an automatic buffering door closing function.

In addition, as shown in fig. 4 and 5, two angle limiting blocks 17 are symmetrically arranged on two sides of the bottom surface of the mounting box 1, a rotation limiting block 18 is correspondingly arranged on the upper surface of the base 3 and on the side surface of the second fixing piece 9, and the angle limiting block 17 and the rotation limiting block 18 can limit the rotation angle of the mounting box 1 relative to the base 3 within a range of-90 degrees to +90 degrees.

Specifically, as shown in fig. 4 or fig. 5, a first bearing 19 is disposed between the first fixing member 8 and the cover plate 2, and a second bearing 20 is disposed between the second fixing member 9 and the mounting box 1, where the first bearing 19 and the second bearing 20 can reduce friction when the mounting box 1 rotates relative to the base 3, so that a buffering process is smoother, and jamming is prevented when the door panel rotates.

As shown in fig. 4, a screw hole 21 is provided at one end of the mounting case 1, a screw cap 22 is provided in the screw hole 21, one end of the gas spring 5 away from the top shaft 6 is abutted against the screw cap 22, when the vertical hinged door damper is assembled, the positioning connector 10 and the base 3 are mounted, the ball 7 is mounted in the sleeve 4, the sleeve 4 is mounted in the mounting case 1, the first fixing member 8 and the cover plate 2 are mounted in the mounting case 1, finally the gas spring 5 is mounted in the sleeve 4 from the screw hole 21, the top shaft 6 is abutted against the ball 7, and the screw cap 22 is screwed into the screw hole 21.

The embodiments of the present utility model are merely described in terms of preferred embodiments, and are not limited to the precise structures described above and shown in the drawings, but various modifications and improvements of the technical solutions of the present utility model should be made by those skilled in the art without departing from the design concept of the present utility model.

Claims

1. A swing door damper, characterized by: including installation box (1) the upper end of installation box (1) is equipped with apron (2) the below of installation box (1) is equipped with base (3) be equipped with sleeve (4) in installation box (1) be equipped with pneumatic spring (5) in sleeve (4) be equipped with telescopic removal's apical axis (6) in sleeve (4) and be located the mobilizable ball (7) that is equipped with of one end of apical axis (6) rotatable be equipped with first mounting (8) on apron (2) the upper end of base (3) just be located be equipped with second mounting (9) under first mounting (8) be equipped with location connecting piece (10) between first mounting (8) with one side of location connecting piece (10) is supported to ball (7).

2. A swing door buffer according to claim 1, wherein: the upper end and the lower extreme of location connecting piece (10) are equipped with be used for respectively connect first mounting (8) with latch (13) of second mounting (9) the bottom of first mounting (8) is equipped with and is used for the card to go into first draw-in groove (11) of latch (13) the top of second mounting (9) is equipped with and is used for the card to go into second draw-in groove (12) of latch (13).

3. A swing door buffer according to claim 1, wherein: the side surface of the positioning connecting piece (10) is provided with a first positioning hole (14) and a second positioning hole (15) for positioning a closing angle and an opening angle respectively.

4. A swing door buffer according to claim 3, wherein: the first positioning holes (14) and the second positioning holes (15) are respectively arranged at two, the first positioning holes (14) and the second positioning holes (15) are arranged at intervals in pairs and symmetrically distributed, and the central lines of the first positioning holes (14) and the second positioning holes (15) are mutually perpendicular.

5. The swing door buffer of claim 4, wherein: an inclined surface (16) is arranged on the positioning connecting piece (10) and positioned between the adjacent first positioning hole (14) and second positioning hole (15), and the inclined surface (16) is inclined from the second positioning hole (15) to the first positioning hole (14).

6. A swing door buffer according to claim 1, wherein: two angle limiting blocks (17) are symmetrically arranged on two sides of the bottom surface of the mounting box (1), and rotating limiting blocks (18) are correspondingly arranged on the side surface of the second fixing piece (9) and positioned on the upper surface of the base (3).

7. A swing door buffer according to claim 1, wherein: a first bearing (19) is arranged between the first fixing piece (8) and the cover plate (2), and a second bearing (20) is arranged between the second fixing piece (9) and the installation box (1).

8. A swing door buffer according to claim 1, wherein: one end of the mounting box (1) is provided with a threaded hole (21), a screw cap (22) is arranged in the threaded hole (21), and one end, far away from the top shaft (6), of the gas spring (5) abuts against the screw cap (22).

9. A swing door buffer according to claim 1, wherein: the second fixing piece (9) and the base (3) are integrated, a screw (23) is arranged below the base (3), and the first fixing piece (8), the positioning connecting piece (10) and the base (3) are fixedly connected through the screw (23).

10. The swing door buffer of claim 6, wherein: the rotation angle range of the installation box (1) relative to the base (3) is-90 degrees to +90 degrees.