CN108756567B

CN108756567B - Sliding door buffer

Info

Publication number: CN108756567B
Application number: CN201810800660.6A
Authority: CN
Inventors: 吴腾庆; 吴积庆
Original assignee: Guangdong Jinli Xiangxing Precision Metal Manufacturing Co ltd
Current assignee: Guangdong Jinli Xiangxing Precision Metal Manufacturing Co ltd
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2020-07-03
Anticipated expiration: 2038-07-20
Also published as: CN108756567A

Abstract

The utility model provides a move a buffer, it includes fixed main part and with fixed main part sliding fit's sliding positioning main part, be equipped with balanced locating wheel subassembly in the fixed main part, be equipped with in the sliding positioning main part just to balanced locating wheel subassembly open-ended U type constant head tank, be equipped with the buffering subassembly in the sliding positioning main part, buffering subassembly one end is fixed, the other end be connected with fixed main part screens complex amortization subassembly, this amortization subassembly and U type constant head tank location sliding fit. The door body displacement accessory with the silencing and buffering effects is compact in structure and convenient to install, can effectively ensure the smoothness of a door body or a window door and the like during displacement through the improvement of the buffering assembly and the silencing assembly in the buffer, reduces the sound of displacement of the door body, avoids collision, and meanwhile, along with the action of the door body, the balance positioning wheel assembly is in rolling limit fit with the door body, ensures the displacement precision, can keep linear buffering with the buffer, is reliable and practical, and has a good displacement buffering effect.

Description

Sliding door buffer

Technical Field

The invention relates to a sliding door buffer.

Background

The existing sliding door is a door which is provided with pulleys at the top end and the bottom end of a door leaf and can move in a fixed track, and is also called a sliding door.

The sliding door does not have a buffering effect when being opened and closed, so that the door leaf and the door frame are collided frequently, the door and the door frame are damaged, noise is generated, and life is influenced.

In addition, when the door receives great thrust, because the inertia effect can produce the jump phenomenon, because there is certain distance between the entablature of door frame and the door, lead to the door very easily derail.

Therefore, there is a need for a sliding door damper that can not only play a role of damping and silencing, but also ensure smooth displacement of the door body, and is used for being installed on a sliding door to solve the above problems.

Disclosure of Invention

The invention aims to provide a sliding door buffer which has the advantages of compact structure, convenience in installation and smooth and quiet buffering.

The invention is realized in such a way, and comprises a fixed main body and a sliding positioning main body in sliding fit with the fixed main body, and is characterized in that the fixed main body is provided with a balance positioning wheel assembly, the sliding positioning main body is provided with a U-shaped positioning groove opposite to the opening of the balance positioning wheel assembly, the sliding positioning main body is internally provided with a buffer assembly, one end of the buffer assembly is fixed, the other end of the buffer assembly is connected with a silencing assembly in clamping fit with the fixed main body, and the silencing assembly is in positioning sliding fit with the U-shaped positioning groove.

The buffering assembly comprises a tension spring and a buffering oil cylinder which are installed in parallel, wherein one end of the tension spring and one end of the buffering oil cylinder are connected to the sliding positioning main body, and the other end of the tension spring and one end of the buffering oil cylinder are connected to the silencing assembly.

The silencing assembly comprises a sliding block and a sliding hook which are rotatably connected together, the sliding hook is matched with a hanging column in a clamping manner, the sliding block is connected with a tension spring and a buffer oil cylinder, and a silencing soft rubber sleeve is arranged between the sliding block and the sliding hook.

The balance positioning wheel assembly comprises balance soft rubber wheels which are symmetrically arranged on two sides of the U-shaped positioning groove, the balance soft rubber wheels are rotatably connected to the fixing main body through balance supports, and tension springs are connected between the balance supports.

The middle part of the fixed main body is provided with a slideway matched with the slide hook clamping position, and the two ends of the fixed main body are respectively provided with a first support hook and a second support hook.

The sliding positioning main body is provided with a sliding groove for limiting the maximum sliding displacement of the sliding hook, and the sliding hook is provided with a convex block in sliding fit with the sliding groove. The sliding hook also comprises a first clamping groove and a second clamping groove which are matched with the clamping positions of the hanging columns; the sliding hook is also provided with a cylinder which is in running fit with the sliding block.

It is preferable that: and the sliding positioning main body is also provided with a reset elastic sheet for adjusting the sliding fit of the sliding chute and the convex block.

The balance soft rubber wheel is riveted on the balance support through a nest nail, the balance support is riveted on the fixing main body through a nest nail, the tension spring is also riveted on the fixing main body through a nest nail, and the fixed tension spring is respectively buckled on lug buckles of the two balance supports.

It is preferable that: the sliding groove at least comprises a first clamping groove and a second clamping groove which are used for positioning and limiting the telescopic displacement of the sliding hook.

The invention has the beneficial effects that: the door body displacement accessory has the advantages of compact structure and convenience in installation, has the effects of sound attenuation and buffering, can effectively ensure the smoothness of a door body or a window door and the like during displacement through optimizing the design and the details of the buffering component and the sound attenuation component in the buffer, reduces the sound of door body displacement, avoids collision, simultaneously, along with the action of the door body, the balance positioning wheel component is in rolling limit fit with the door body, ensures the displacement precision, can keep linear buffering with the buffer, is reliable and practical, and has good displacement buffering effect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of the structure of the embodiment shown in fig. 1.

Fig. 3 is a schematic structural view of the embodiment shown in fig. 1 when the buffering assembly is in the maximum working stroke.

Fig. 4 is an exploded view of the structure of fig. 3.

Fig. 5 is a cross-sectional view of a portion of the structure of fig. 3.

Fig. 6 is a schematic structural view of the sliding hook of the present invention.

Fig. 7 is a schematic structural view of the sliding positioning body according to the present invention.

Fig. 8 is a cross-sectional view of the structure a-a in fig. 7.

Fig. 9 is a cross-sectional view of the structure B-B in fig. 7.

Fig. 10 is an exploded view of the connecting structure of the fixing body and the balance positioning wheel assembly in the embodiment of fig. 1.

Fig. 11 is an assembly view of the structure of the embodiment shown in fig. 10.

Fig. 12 is a schematic structural view of the sliding body according to the present invention during normal operation.

Fig. 13 is a second schematic structural view of the sliding body of the present invention during normal operation.

Fig. 14 is a third schematic structural view of the sliding body of the present invention in normal operation.

FIG. 15 is a fourth schematic view of the sliding body of the present invention in normal operation.

Fig. 16 is a schematic structural view of the sliding body of the present invention when it is restored.

Fig. 17 is a second schematic structural view of the sliding body of the present invention during the resetting.

Fig. 18 is a third schematic structural view of the sliding body of the present invention when it is reset.

FIG. 19 is a fourth schematic view of the sliding body of the present invention in a reset state.

In the figure, 1, a fixed main body 2, a sliding positioning main body 3, a balance positioning wheel component 4, a silencing component 5, a buffering component 6, a U-shaped positioning groove 7 and a hanging column.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

The invention is realized in such a way, as shown in fig. 1-2, the sliding door buffer comprises a fixed main body 1 and a sliding positioning main body 2 in sliding fit with the fixed main body 1, and is structurally characterized in that a balance positioning wheel component 3 is arranged on the fixed main body 1, a U-shaped positioning groove 6 in positioning fit with the balance positioning wheel component 3 is arranged on the sliding positioning main body 2, a buffer component 5 is arranged in the sliding positioning main body 2, one end of the buffer component 5 is fixed, and the other end of the buffer component is connected with a silencing component 4 in clamping fit with the fixed main body 1. During actual assembly, the fixing main body 1 and the sliding positioning main body 2 are combined and then are locked by a plurality of M2 self-tapping screws; the working principle is that, external force drives the silencing component 4 to move along the sound of the U-shaped positioning groove 6, meanwhile, the silencing component 4 pulls the buffering component 5 to move, so that the smoothness of the door body or the window door and the like is guaranteed through the buffering component 5 and the silencing component 4 when the door body or the window door and the like move, the sound of the displacement of the door body is effectively reduced, the collision is avoided, meanwhile, along with the movement of the door body, the balance positioning wheel component 3 can be attached to the two sides of the door body when the door body moves, and is matched with the door frame in a positioning rolling manner, the displacement precision is guaranteed, and the buffer can be kept in a linear.

The key design structure of the invention is a buffering component 5 and a silencing component 4, the concrete implementation structure is shown in fig. 3-5, the buffering component 5 comprises a tension spring 501 and a buffering oil cylinder 502 which are installed in parallel, wherein one end of the tension spring 501 and one end of the buffering oil cylinder 502 are connected to the sliding positioning main body 2, and the other end of the tension spring 501 and the other end of the buffering oil cylinder are both connected to the silencing component 4; the silencing assembly 4 comprises a sliding block 401 and a sliding hook 402 which are rotatably connected together, the sliding hook 402 is in clamping fit with a hanging column 7, the sliding block 401 is connected with a tension spring 501 and a buffer oil cylinder 502, and a silencing soft rubber sleeve 403 is arranged between the sliding block 401 and the sliding hook 402; during assembly, the silencing soft rubber sleeve 403 is sleeved on one cylinder on the sliding hook 402, then a round hole on the sliding block 401 is sleeved on the other cylinder on the sliding hook 402, one end of the buffering oil cylinder 502 is clamped on the sliding block 401 through a positioning pin, the corresponding end of the tension spring 501 is also detachably connected to the sliding block 401, and the assembled combination of the buffering component 5 and the silencing component 4 is placed in a slide way in the sliding positioning main body 2; when the tension spring 501 is in the maximum deformation amount during operation, the elastic force of the tension spring pulls the sliding block 401 connected with the sliding hook 402 to move in the sliding positioning main body 2 and simultaneously move together with the sliding block 401; the resistance of the buffer oil cylinder 502 connected together can relieve the moving speed of the sliding block 401 and the sliding hook 402, so that the moving door is slowly and softly closed, and the sound generated when the moving door impacts the door cabinet is eliminated. Of course, the structure of the damping unit 5 and the silencing unit 4 is not limited to the above structure, and those skilled in the art can make appropriate optimization based on the above mechanical principle, for example, the silencing soft rubber sleeve 403 can adopt a ball or a rubber elastic ring, as long as it can separate the sliding block 401 and the sliding hook 402 and convert the relative displacement contact into rolling friction.

In order to further improve the effect of buffering and positioning, the invention also optimally designs the detailed structure, and in specific implementation, the balance positioning wheel assembly 3 comprises balance soft rubber wheels 301 which are symmetrically arranged at two sides of the U-shaped positioning groove 6, the balance soft rubber wheels 301 are rotatably connected to the fixed main body 1 through balance brackets 302, and tension springs 303 are connected between the balance brackets 302; during specific assembly, the balance soft rubber wheel 301 is riveted on the balance support 302 through a socket nail, the balance support 302 is riveted on the fixing main body 1 through a socket nail, the tension spring 303 is also riveted on the fixing main body 1 through a socket nail, the fixed tension spring 303 is respectively buckled on ear buckles of the two balance supports 302, as shown in fig. 10 and 11, when the door body moves along a track during working, the displacement of the door body can contact the balance soft rubber wheel 301, the balance soft rubber wheel 301 is in rolling contact with the side wall of the door body, the contact matching of the two balance soft rubber wheels 301 and the door body guarantees the precision of the displacement of the door body, a buffer and the door body form linear buffering, the tension spring 303 can effectively buffer external force from the balance soft rubber wheel 301 and the balance support 302, and the balance of stress on two sides of the door body is guaranteed.

In order to facilitate assembly and fixation, the middle part of the fixing main body 1 is provided with a slide way 101 which is in clamping fit with the slide hook 402, and two ends of the fixing main body 1 are respectively provided with a first bracket hook 102 and a second bracket hook 103; the first bracket hook 102 is locked on the fixing body 1 by an M4 cap screw, the second bracket hook 103 is locked on the fixing body 1 by an M3 cap screw, and the bumper is mounted on the displacement track of the door body through the first bracket hook 102 and the second bracket hook 103.

In the aspect of structural matching, the invention is also designed more finely, as shown in fig. 6-9, a sliding groove 201 for limiting the maximum sliding displacement of the sliding hook 402 is arranged on the sliding positioning main body 2, and a convex block 4021 in sliding fit with the sliding groove 201 is arranged on the sliding hook 402; the sliding hook 402 further comprises a first clamping groove 4022 and a second clamping groove 4023 which are in clamping fit with the hanging column 7; the sliding hook 402 is further provided with a cylinder 4024 in rotating fit with the sliding block 401, under the action of external force, the sliding hook 402 moves along the sliding groove 201 through the fit of the sliding groove 201 and the convex block 4021, wherein the convex block 4021 can adopt a peach-shaped convex leg, the sliding hook 402 is allowed to be driven by the external force to be straightened, meanwhile, the sliding groove 201 at least comprises a first groove 2011 and a second groove 2012 for positioning and limiting the telescopic displacement of the sliding hook 402, and the sliding positioning main body 2 is further provided with a reset spring plate 202 for adjusting the clamping fit of the sliding groove 201 and the convex block 4021; during assembly, the sliding positioning main body 2 is provided with an insertion groove for facilitating the insertion and fixation of the reset elastic sheet 202; in the sliding process of the sliding hook 402 along the sliding chute 201, the lug 4021 swings and is respectively matched with the first groove 2011 and the second groove 2012 to limit the displacement of the sliding hook 402, so as to limit the maximum telescopic displacement of buffering, the first groove 2011 and the second groove 2012 are arc-shaped grooves, and the elastic force of the reset elastic sheet 202 compresses the groove and the lug 4021, so as to ensure the stability of positioning and clamping.

The key function of the invention lies in the working process of the sliding body, when the sliding body works normally, as shown in fig. 12-15, the hanging column 7 is impacted by external force to the bevel edge of the second clamping groove 4023 of the sliding hook 402 of the noise reduction component 4, the sliding hook 402 swings inwards with the cylinder 4024 as an axis, the bump 4021 of the sliding hook 402 is disengaged from the second groove 2012, meanwhile, the second clamping groove 4023 of the sliding hook 402 is matched with the circular clamping position, and the hanging column 7 is driven by the noise reduction component to slide linearly in the U-shaped positioning groove 6.

The reset function of the sliding body is shown in fig. 16-19, when the hanging post 7 is not buckled on the sliding hook 402, that is, the hanging post 7 is abnormally unhooked from the second clamping groove 4023 or the first clamping groove 4022, at this time, an external force is used to push the hanging post 7, so that the outer end of the sliding hook 402 transmits force, the sliding hook 402 is guided to swing outwards with the cylinder 4024 as the axis, the outer end of the sliding hook 402 has an included angle with the side wall of the U-shaped positioning groove 6, when the hanging post 7 opens to the vacancy of the first clamping groove 4022 of the sliding hook 402, at this time, a reset spring plate 202 which is directly abutted against the side edge of the sliding hook 402 makes the sliding hook 402 swing inwards with the cylinder 4024 as the axis by using an elastic force, so that the first clamping groove 4022 of the sliding hook 402 buckles the hanging post 7, then the hanging post 7 is pulled back along the U-shaped positioning groove 6 to drive the silencing component 4, the bump 4021 of the sliding hook 402 will move to the second groove bending part of the sliding slot 201 with the guide, at this time, the sliding hook 402 will swing outwards with the, the protrusion 4021 of the sliding hook 402 is hooked into the second groove 2012 of the sliding slot 201, and the hanging column 7 is pulled out to be separated from the first blocking groove 4022 of the sliding hook 402, so that the sliding body is restored to the initial state of normal operation.

Claims

1. A sliding door buffer comprises a fixed main body (1) and a sliding positioning main body (2) which is in sliding fit with the fixed main body (1), and is characterized in that a balance positioning wheel assembly (3) is arranged on the fixed main body (1), a U-shaped positioning groove (6) which is just opposite to the opening of the balance positioning wheel assembly (3) is arranged on the sliding positioning main body (2), a buffer assembly (5) is arranged in the sliding positioning main body (2), one end of the buffer assembly (5) is fixed, the other end of the buffer assembly is connected with a silencing assembly (4) which is in clamping fit with the fixed main body (1), the silencing assembly (4) is in positioning sliding fit with the U-shaped positioning groove (6), the silencing assembly (4) comprises a sliding block (401) and a sliding hook (402) which are rotationally connected together, the sliding hook (402) is in clamping fit with a hanging column (7), wherein the sliding block (401) is connected with a tension spring (, a silencing soft rubber sleeve (403) is arranged between the sliding block (401) and the sliding hook (402), a sliding groove (201) for limiting the maximum sliding displacement of the sliding hook (402) is arranged on the sliding positioning main body (2), and a convex block (4021) in sliding fit with the sliding groove (201) is arranged on the sliding hook (402); the sliding hook (402) also comprises a first clamping groove (4022) and a second clamping groove (4023) which are in clamping fit with the hanging column (7); the sliding hook (402) is also provided with a cylinder (4024) which is rotationally matched with the sliding block (401).

2. The sliding door damper according to claim 1, characterized in that the damping assembly (5) comprises a tension spring (501) and a damping cylinder (502) which are installed in parallel, wherein one end of the tension spring (501) and one end of the damping cylinder (502) are connected to the sliding positioning body (2), and the other end of the tension spring and the other end of the damping cylinder are connected to the silencing assembly (4).

3. The sliding door buffer as claimed in claim 2, wherein the balance positioning wheel assembly (3) comprises balance soft rubber wheels (301) symmetrically arranged at both sides of the U-shaped positioning groove (6), the balance soft rubber wheels (301) are rotatably connected to the fixed body (1) through balance brackets (302), and tension springs (303) are connected between the balance brackets (302).

4. The sliding door buffer according to claim 3, wherein the middle of the fixed main body (1) is provided with a slide way (101) which is engaged with the slide hook (402) in a blocking manner, and the two ends of the fixed main body (1) are respectively provided with a first support hook (102) and a second support hook (103).

5. The sliding door buffer according to claim 4, characterized in that the sliding positioning main body (2) is further provided with a reset spring (202) for adjusting the sliding fit of the sliding groove (201) and the projection (4021).

6. The sliding door damper according to claim 5, characterized in that the balancing soft rubber wheel (301) is riveted on the balancing bracket (302) by a socket nail, the balancing bracket (302) is riveted on the fixing body (1) by a socket nail, the tension spring (303) is also riveted on the fixing body (1) by a socket nail, and the fixed tension spring (303) is respectively buckled on the ear buckles of the two balancing brackets (302).

7. The sliding door damper according to claim 6, characterized in that the sliding groove (201) comprises at least a first locking groove (2011) and a second locking groove (2012) for positioning and limiting the telescopic displacement of the sliding hook (402).