CN213175249U - Move a buffer and move a device - Google Patents

Abstract

The utility model provides a sliding door buffer and a sliding door device, which has the key points of the technical proposal that the sliding door buffer comprises a shell, and a movable buckle, a damper, a tension spring, a locking groove and a guide groove are arranged in the shell; the movable buckle comprises a first buckling part and a second buckling part, the movable buckle is rotatably connected to the end part of the damping rod of the damper, a guide block is formed on the side wall of the movable buckle, and a guide surface is formed by the inclination of one end of the guide groove. The movable buckle is in contact with the trigger block of the sliding door guide rail, the door leaf is ensured to slowly move to a specified position under the action of the damper and the tension spring, in addition, the inclined guide surface at the tail end of the guide groove provides rotation guide for the movable buckle, the movable buckle slowly rotates to enable the first buckling part to be embedded into the locking groove, collision caused by quick rotation of the movable buckle is avoided, abrasion of the first buckling part and the locking groove is also prevented, and the reliability of connection between the movable buckle and the locking groove is improved.

Description

Move a buffer and move a device

Technical Field

The utility model relates to a door and window switching auxiliary device field especially relates to a move a buffer and move a device.

Background

The 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 in-process that the push-and-pull door was opening and shutting because the moving speed of push-and-pull door is very fast, causes the violent clash of push-and-pull door and door frame easily, produces great noise and damages the push-and-pull door easily, also leads to people's finger to be hindered by the clamp easily.

SUMMERY OF THE UTILITY MODEL

The first and second objects of the present invention are to provide a sliding door buffer which can provide a buffering function for a door leaf when the door leaf is opened or closed.

Another object of the present invention is to provide a sliding door device using the sliding door buffer.

In order to achieve the above object, the present invention provides the following technical solutions:

a sliding door buffer is used for being connected with a door leaf and sliding along a sliding door guide rail and comprises a shell connected with the door leaf, wherein a movable buckle, a damper and a tension spring are arranged in the shell, a locking groove is formed in one end of the shell, and a guide groove is formed in the inner wall of the shell along the length direction of the inner wall; the movable buckle comprises a first buckling part and a second buckling part which are oppositely arranged and jointly form a clamping opening, the damper and the tension spring are respectively and correspondingly connected with the upper and lower positions of one end of the movable buckle close to the second buckling part, one end of the movable buckle close to the second buckling part is rotatably connected with the end part of the damping rod of the damper, the first buckling part can be embedded into the locking groove in a rotating way around the joint of the movable buckle and the damping rod, and can be separated from the locking groove when the second buckling part is contacted by the triggering block arranged in the sliding door guide rail so that the triggering block is clamped into the clamping opening, a guide block which can slide along the guide groove is convexly formed on the side wall of the movable buckle, the bottom surface of the guide groove, which is close to one end of the locking groove, is inclined downwards to form a guide surface, the extension spring is used for driving the movable buckle to rotate when the guide block slides to the guide surface, so that the first buckling part is embedded into the locking groove.

Further setting: the guide block comprises two guide parts and two connecting parts, wherein the two ends of the guide part are arranged at the movable buckle and can be abutted against the top wall and the bottom wall of the guide groove, and the connecting parts are connected between the two guide parts and form an avoiding groove together with the guide parts.

Further setting: the tip of damping lever is equipped with the pivot, the activity is buckled and is offered near the guide part of second buckling parts and can supply the pivot hole that the pivot passed, the activity is buckled and can be wound the pivot rotates.

Further setting: the activity is detained including can wearing out extremely the body is detained in the activity at casing top, the guide block is located the activity is detained on the body lateral wall, first buckling parts and second buckling parts set up in the top of body is detained in the activity, the thickness of first buckling parts and second buckling parts is greater than the thickness and the joint of body are detained in the activity in the top of casing.

Further setting: the top of casing is equipped with for the activity is detained and is provided the spacing step of sliding spacing.

Further setting: two ends of the shell are rotatably connected with pulleys which can be in rolling connection with the sliding door guide rail.

Further setting: move a buffer and still include with move a fixed coupling assembling, coupling assembling with dodge hole and mounting hole have been seted up correspondingly on the casing, the casing with coupling assembling passes with the help of the fastener dodge the hole with the mounting hole reciprocal anchorage.

Further setting: the connecting assembly comprises a clamping piece fixed to the top of the door leaf and a connecting piece capable of being clamped in the clamping piece, a clamping groove is formed in the side wall of the clamping piece, the connecting piece comprises a clamping portion and an engaging portion which are perpendicular to each other, the clamping portion is clamped in the clamping groove and is provided with the avoiding hole, the engaging portion is used for being connected with the side portion of the door leaf, the fastener comprises a bolt, and the clamping portion is away from the clamping piece, the direction of the clamping piece is locally sunken to form an accommodating space for accommodating the head of the bolt.

Further setting: coupling assembling still including being used for adjusting the door leaf and moving the adjusting part of a guide rail interval, adjusting part is located including the branch adjusting nut and the regulation base of both sides about the clamping part, the adjusting nut cover is located on the regulation base, just adjusting nut's inside wall with be equipped with restriction both mutual pivoted unsmooth cooperation structure between the lateral wall of regulation base, the regulation base cover is located on the bolt and with the mutual joint of bolt along the circumferencial direction.

The utility model also provides a move a device, including the door leaf, move a guide rail and foretell buffer that moves, the casing with the door leaf is connected and can be followed move a guide rail and slide.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model relates to an in the buffer of moving door, detain the guide way with the casing and the cooperation structure in locking groove with the help of the slidable activity, relative slip and the relative fixity with the casing have been realized, when the activity detain with the trigger block contact of moving the door guide rail, the activity is detained and can be slided relative casing, ensure that the door leaf slowly moves to the assigned position under the effect of attenuator and extension spring, avoid the door leaf quick travel and the collision appears and produce noise or potential safety hazard, in addition, the terminal slope spigot surface of guide way is detained for the activity and has provided the rotation direction, the activity is detained and is slowly rotated and make first buckling parts embedding locking groove, avoid detaining the quick rotation and producing the noise with the casing collision because the activity, also can prevent the wearing and tearing in first buckling parts and locking groove, connection reliability between them has been improved.

2. The utility model relates to an among the device that moves, through adopting foretell buffer that moves, avoid the door leaf to lead to the collision of door leaf and door frame when opening and shutting fast movement, have better silence effect, also improved the security of using.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a door moving device according to an embodiment of the present invention;

fig. 2 is an exploded view of a sliding door damper according to an embodiment of the present invention;

fig. 3 is a schematic view of one state of a sliding door damper according to an embodiment of the present invention;

fig. 4 is a schematic view of another state of a sliding door damper according to an embodiment of the present invention;

fig. 5 is a partially exploded view of a sliding door damper according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a movable buckle according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 6, the utility model provides a move a device, including moving a buffer 1, door leaf 2 and moving a guide rail 3, door leaf 2 can be followed and moved a guide rail 3 and slided, move a buffer 1 and be used for being connected with door leaf 2 and can follow and move a guide rail 3 and slide, provide cushioning effect for opening and shutting of door leaf 2.

The sliding door buffer 1 comprises a shell 11 used for being connected with a door leaf 2, a movable buckle 12, a damper 13 and a tension spring 14 are arranged in the shell 11, a locking groove 111 is arranged at one end of the shell 11, and a guide groove 112 for the movable buckle 12 to provide sliding guide is formed in the inner wall of the shell 11 along the length direction of the inner wall; activity is detained 12 and is included relative setting and jointly form first buckling parts 122 and the second buckling parts 123 of centre gripping mouth 121, attenuator 13 with extension spring 14 correspond respectively from top to bottom connect in the activity is detained 12 and is close to the one end of second buckling parts 123, activity is detained 12 and is close to second buckling parts 123 one end and rotationally connect in the damping pole 131 tip of attenuator 13, locking groove 111 can supply first buckling parts 122 rotates the embedding around the activity knot 12 and damping pole 131 junction.

The top wall of the door moving guide rail 3 is provided with a trigger block 31, the movable buckle 12 is used for driving the first buckling part 122 to be separated from the locking groove 111 and to be buckled and fixed with the trigger block 31 when the second buckling part 123 is contacted with the trigger block 31, the side wall of the movable buckle 12 is convexly provided with a guide block 124 which can slide along the guide groove 112, the guide groove 112 is inclined downwards near the bottom surface of one end of the locking groove 111 to form a guide surface 1121, and the tension spring 14 is used for driving the movable buckle 12 to rotate when the guide block 124 slides to the guide surface 1121, so that the first buckling part 122 is embedded into the locking groove 111.

Under the normal state, the first engaging portion 122 of the movable buckle 12 is embedded in the locking groove 111 and is relatively fixed with the housing 11, because the housing 11 is connected with the door leaf 2, when the door is opened or closed, the housing 11 drives the movable buckle 12 to slide along the door moving guide rail 3, and when the movable buckle 12 moves to the trigger block 31, the second engaging portion 123 contacts with the trigger block 31 and cannot move forward continuously. At this moment, the door leaf 2 continues to move, the movable buckle 12 is forced to rotate and the first buckling part 122 is enabled to be separated from the locking groove 111, the movable buckle 12 is buckled on the trigger block 31 and is relatively fixed with the trigger block 31, under the action of the elastic restoring force of the tension spring 14, the movable buckle 12 slides to a specified position along the guide groove 112, meanwhile, the damper 13 provides a buffering effect for the movement of the movable buckle 12, namely, the buffering effect is provided for the opening and closing of the door leaf 2, so that the door leaf 2 is prevented from generating large noise due to high speed in the opening and closing process, the clamping injury to fingers of a human can be avoided, in addition, under the action of the tension spring 14, the door leaf 2 can be ensured to move in place, and a large gap cannot be formed between the door and.

When the door 2 starts to move from the limit position, the movable buckle 12 and the trigger block 31 are in a relatively fixed state, when the door 2 moves, the movable buckle 12 moves along the guide groove 112 on the inner wall of the housing 11, and the tension spring 14 continuously extends, when the movable buckle 12 moves to the end of the guide groove 112, because the connection position of the tension spring 14 and the movable buckle 12 is located below the rotation center of the movable buckle 12, when the guide block 124 moves to the guide surface 1121, the guide block 124 loses the horizontal movement restriction, under the elastic restoring force of the tension spring 14, the movable block is forced to rotate downwards, that is, the guide block 124 slides along the guide surface 1121, and at the same time, the first buckling part 122 is slowly embedded into the locking groove 111, at this time, the movable buckle 12 is disengaged from the trigger block 31, the movable buckle 12 and the housing 11 are relatively fixed and can move relative to the trigger block 31, at this time, the door 2 is no longer decelerated by the damper 13, the door leaf 2 can be moved quickly. Specifically, when the activity is detained 12 and is buckled with trigger block 31, door leaf 2 moves to being close to extreme position promptly, provide the cushioning effect for door leaf 2 with the help of attenuator 13 this moment, and when door leaf 2 moved to keeping away from extreme position, then the activity is detained 12 and is triggered block 31 no longer to buckle, attenuator 13 does not provide the cushioning effect to the removal of door leaf 2, can accelerate the moving speed of door leaf 2, both can ensure the flexibility of door leaf 2 in the course of moving, can prevent again that the speed of door leaf 2 when removing to extreme position is very fast, noise and potential safety hazard are produced.

In addition, in the present invention, the inclined guiding surface 1121 is disposed on the bottom surface of the end of the guiding slot 112 to provide a sliding guide to the guiding block 124 of the movable buckle 12 in an inclined downward direction, and the elastic force of the tension spring 14 is utilized to force the movable buckle 12 to have two actions of forward movement and rotation when sliding to be close to the locking slot 111, so that the movable buckle 12 rotates slowly, and the first fastening portion 122 is slowly inserted into the locking slot 111, in this embodiment, the width of the locking slot 111 is slightly larger than the width of the first fastening portion 122, so that the first fastening portion 122 is more smoothly inserted into the locking slot 111, and not only can the first fastening portion 122 be inserted into the locking slot 111, but also the friction between the first fastening portion 122 and the locking slot 111 can be reduced, thereby preventing the product from being worn with the first fastening portion 122 and the locking slot 111 after long-term use and affecting the connection stability of the two, in addition, since the rotation of the movable buckle 12 is slow, the first buckling portion 122 can be prevented from colliding with the locking groove 111 quickly to generate a loud noise.

Preferably, the guide block 124 includes guide portions 1241 respectively disposed at two ends of the movable buckle 12 and a connection portion 1242 connected between the two guide portions 1241, the guide portions 1241 may abut against top and bottom walls of the guide slot 112, and an avoidance slot 1243 is formed between the connection portion 1242 and the two guide portions 1241, specifically, the connection portion 1242 is connected to a middle portion of the guide portion 1241, and the avoidance slot 1243 is formed on both upper and lower sides of the connection portion 1242.

When the guide block 124 slides along the guide slot 112, the two guide portions 1241 abut against the top wall and the bottom wall of the guide slot 112, when the guide block 124 slides to the guide surface 1121, the guide portion 1241 near one end of the first engaging portion 122 contacts the guide surface 1121 first under the action of the tension spring 14 and slides along the guide surface 1121, and at this time, the other guide portion 1241 still slides along the guide slot 112, and by forming the escape slot 1243, the friction between the guide block 124 and the guide slot 112 when the movable buckle 12 rotates is reduced, so that the movable buckle 12 can smoothly rotate and the first engaging portion 122 is inserted into the locking slot 111.

Further, a rotating shaft 1311 is disposed at an end of the damping rod 131, a rotating shaft hole through which the rotating shaft 1311 can pass is disposed on the guide portion 1241 of the movable buckle 12, which is close to the second buckling portion 123, and the movable buckle 12 can rotate around the rotating shaft 1311.

Through the structure, the movable buckle 12 is relatively simplified, and meanwhile, when the movable buckle 12 rotates, the movable buckle 12 can rotate around the center of the guide part 1241 close to the second buckling part 123, and at this time, the guide part 1241 close to the second buckling part 123 still slides along the guide slot 112, so that the stability of the movable buckle 12 during rotation is relatively high.

Further, the activity is detained 12 including can wear out extremely body 125 is detained in the activity at casing 11 top, guide block 124 is located on the body 125 lateral wall is detained in the activity, first buckling parts 122 and second buckling parts 123 set up in the top of body 125 is detained in the activity, the thickness of first buckling parts 122 and second buckling parts 123 is greater than the thickness of body 125 is detained in the activity and can the joint in the top of casing 11.

When the movable buckle 12 slides relative to the housing 11, the first buckling portion 122 and the second buckling portion 123 of the movable buckle 12 can abut against the top of the housing 11, and limit the rotation of the movable buckle 12 together with the guide groove 112, thereby further improving the stability of the sliding of the movable buckle 12.

Further, the top of the housing 11 is provided with a limit step 113 for providing a sliding limit for the movable buckle 12, specifically, the top of the housing 11 has a lower plane height near the locking groove 111 and a higher plane height far from the locking groove 111, the limit step 113 is formed between the two parallel planes, and the first buckling part 122 and the second buckling part 123 of the movable buckle 12 can slide along the top surface of the housing 11 and contact with the limit step 113, so as to provide a limiting effect on the sliding stroke of the movable buckle 12, and improve the stability of the door leaf 2 when opening and closing.

In this embodiment, the housing 11 includes two side plates 114 disposed opposite to each other and a bottom plate 115 connected between the two side plates 114, and a sliding gap is formed between the two side plates 114 for the movable buckle 12 to pass through. The bottom plate 115 is further provided with positioning grooves 1151 for inserting and fixing two side plates 114 correspondingly, the guide grooves 112 are formed in the two side plates 114, mounting grooves for embedding and fixing the damper 13 are further formed in the two side plates 114, and the top surfaces of the side plates 114 are provided with the limiting steps 113.

By adopting the structure, on the mounting structure, the mounting of each accessory is compact, the structural stability is high, the stability of the door leaf 2 in the moving process is ensured, in addition, the assembly between the accessories is convenient, the operation difficulty is low, and the improvement of the production efficiency is facilitated.

Further, pulleys 15 capable of being in rolling connection with the door moving guide rails 3 are rotatably connected to both ends of the housing 11. In this embodiment, the housing 11 is provided with two pulleys 15 at one end near the locking groove 111 and one pulley 15 at the other end. Through set up pulley 15 at casing 11 both ends, reduced and moved the resistance of door buffer 1 in moving a guide rail 3, made door leaf 2 more smooth when opening and shutting.

Further, move a buffer 1 and still include coupling assembling 16 fixed with door leaf 2, coupling assembling 16 with dodge hole 161 and mounting hole 116 have been seted up correspondingly on the casing 11, casing 11 with coupling assembling 16 passes with the help of the fastener dodge hole 161 with mounting hole 116 reciprocal anchorage. In this embodiment, the fastening member includes a bolt 17 and a fastening nut 18, specifically, the fastening nut 18 is a hexagon nut, a limiting groove 117 for the fastening nut 18 to be embedded into is further disposed at the mounting hole 116 on the housing 11, and the limiting groove 117 is a hexagon groove.

Further, the connecting assembly 16 includes a clip 162 fixed to the top of the door leaf 2 and a connecting member 163 capable of being caught in the clip 162. In this embodiment, the top of the door 2 is provided with an insertion groove 21 for the clip 162 to be inserted into, and the bottom of the clip 162 is provided with a screw hole for a fastening screw to pass through so that the clip 162 is fixed in the insertion groove 21 of the door 2. A clamping groove 1621 is formed in the side wall of the clamping piece 162, the connecting piece 163 comprises a clamping portion 1631 and an engagement portion 1632 which are connected in a mutually perpendicular manner, the clamping portion 1631 is clamped in the clamping groove 1621 and is provided with the avoiding hole 161, and the engagement portion 1632 is used for being connected with the side portion of the door leaf 2. Specifically, the connecting portion 1632 is also provided with a screw hole through which a fastening screw can pass, and the connecting member 163 is fixed to the door leaf 2 by passing the fastening screw through the screw hole of the connecting portion 1632. The clamping portion 1631 is partially recessed towards the direction away from the clip 162 to form an accommodating space for accommodating the head of the bolt 17. Specifically, the clamping portion 1631 is partially punched to form the accommodating space.

Further, the connecting assembly 16 further includes an adjusting assembly for adjusting a distance between the door leaf 2 and the sliding guide rail 3, the adjusting assembly includes an adjusting nut 164 and an adjusting base 165 respectively disposed at upper and lower sides of the clamping portion 1631, the adjusting nut 164 is sleeved on the adjusting base 165, a concave-convex matching structure for limiting mutual rotation of the adjusting nut 164 and the adjusting base 165 is disposed between an inner side wall of the adjusting nut 164 and a side wall of the adjusting base 165, specifically, a plurality of limiting protrusions 1641 are protruded on an inner wall of the adjusting nut 164, a limiting groove 1651 for embedding the limiting protrusions 1641 is disposed on an outer wall of the adjusting base 165, and the limiting protrusions 1641 and the limiting groove 1651 are matched to fix the adjusting assembly relatively along a circumferential direction. The adjusting base 165 is sleeved on the bolt 17 and clamped with the bolt 17 along the circumferential direction, specifically, the head of the bolt 17 protrudes to form a square boss, and the bottom of the adjusting base 165 forms a square groove (not shown in the figure) for the square boss to be embedded and matched. Preferably, a wave-shaped elastic washer 166 is further arranged between the adjusting nut 164 and the adjusting base 165.

In this embodiment, only a part of the screw portion of the bolt 17 is provided with a threaded section, a part of the screw portion close to the head portion is a smooth section, the smooth section of the screw portion is sleeved with the adjusting base 165, and the threaded section is in threaded connection with the fastening nut 18.

By adopting the structure, the sliding door buffer 1 and the door leaf 2 are fixed through the connecting component 16, the bolt 17 and the fastening nut 18, when in assembly, the adjusting base 165 penetrates through the avoiding hole 161 on the connecting piece 163 and is matched with the adjusting nut 164, the bolt 17 penetrates through the adjusting base 165, the avoiding hole 161 on the connecting piece 163 and the mounting hole 116 on the shell 11, the connecting piece 163 and the shell 11 are mutually fixed through the matching of the fastening nut 18 and the bolt 17, the clamping piece 162 is mounted and fixed on the door leaf 2, finally, the connecting piece 163 is clamped in the clamping groove 1621 of the clamping piece 162 and the connecting piece 163 is fixed on the door leaf 2 through the fastening screw, and the fixation of the door leaf 2 and the sliding door buffer 1 is completed. By adopting the structure, the installation structure is firm, and the appearance is more attractive.

In addition, through setting up adjusting nut 164 and adjusting base 165, after door leaf 2 finishes with the buffer 1 equipment that moves, rotate adjusting nut 164 in door leaf 2 top, can drive adjusting base 165 and bolt 17 and rotate, because bolt 17 and fastening nut 18 screw-thread fit, and fastening nut 18 receives the unable rotation of limiting displacement of spacing groove 117, thereby can change the relative position of bolt 17 and fastening nut 18, change door leaf 2 promptly and move the interval of a buffer 1, make the regulation of door leaf 2 interval convenient and fast more, and adjust stability height.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A sliding door buffer is used for being connected with a door leaf and can slide along a sliding door guide rail, and is characterized in that: the door lock comprises a shell used for being connected with a door leaf, wherein a movable buckle, a damper and a tension spring are arranged in the shell, a locking groove is formed in one end of the shell, and a guide groove is formed in the inner wall of the shell along the length direction of the inner wall; the movable buckle comprises a first buckling part and a second buckling part which are oppositely arranged and jointly form a clamping opening, the damper and the tension spring are respectively and correspondingly connected with the upper and lower positions of one end of the movable buckle close to the second buckling part, one end of the movable buckle close to the second buckling part is rotatably connected with the end part of the damping rod of the damper, the first buckling part can be embedded into the locking groove in a rotating way around the joint of the movable buckle and the damping rod, and can be separated from the locking groove when the second buckling part is contacted by the triggering block arranged in the sliding door guide rail so that the triggering block is clamped into the clamping opening, a guide block which can slide along the guide groove is convexly formed on the side wall of the movable buckle, the bottom surface of the guide groove, which is close to one end of the locking groove, is inclined downwards to form a guide surface, the extension spring is used for driving the movable buckle to rotate when the guide block slides to the guide surface, so that the first buckling part is embedded into the locking groove.

2. The sliding door damper according to claim 1, wherein: the guide block comprises two guide parts and two connecting parts, wherein the two ends of the guide part are arranged at the movable buckle and can be abutted against the top wall and the bottom wall of the guide groove, and the connecting parts are connected between the two guide parts and form an avoiding groove together with the guide parts.

3. The sliding door damper according to claim 2, wherein: the tip of damping lever is equipped with the pivot, the activity is buckled and is offered near the guide part of second buckling parts and can supply the pivot hole that the pivot passed, the activity is buckled and can be wound the pivot rotates.

4. The sliding door damper according to claim 1, wherein: the activity is detained including can wearing out extremely the body is detained in the activity at casing top, the guide block is located the activity is detained on the body lateral wall, first buckling parts and second buckling parts set up in the top of body is detained in the activity, the thickness of first buckling parts and second buckling parts is greater than the thickness and the joint of body are detained in the activity in the top of casing.

5. The sliding door damper according to claim 4, wherein: the top of casing is equipped with for the activity is detained and is provided the spacing step of sliding spacing.

6. The sliding door damper according to claim 1, wherein: two ends of the shell are rotatably connected with pulleys which can be in rolling connection with the sliding door guide rail.

7. The sliding door damper according to claim 1, wherein: still include with the fixed coupling assembling of sliding door, coupling assembling with dodge hole and mounting hole have been seted up correspondingly on the casing, the casing with coupling assembling passes with the help of the fastener dodge the hole with the mounting hole reciprocal anchorage.

8. The sliding door damper according to claim 7, wherein: the connecting assembly comprises a clamping piece fixed to the top of the door leaf and a connecting piece capable of being clamped in the clamping piece, a clamping groove is formed in the side wall of the clamping piece, the connecting piece comprises a clamping portion and an engaging portion which are perpendicular to each other, the clamping portion is clamped in the clamping groove and is provided with the avoiding hole, the engaging portion is used for being connected with the side portion of the door leaf, the fastener comprises a bolt, and the clamping portion is away from the clamping piece, the direction of the clamping piece is locally sunken to form an accommodating space for accommodating the head of the bolt.

9. The sliding door damper according to claim 8, wherein: coupling assembling still including being used for adjusting the door leaf and moving the adjusting part of a guide rail interval, adjusting part is located including the branch adjusting nut and the regulation base of both sides about the clamping part, the adjusting nut cover is located on the regulation base, just adjusting nut's inside wall with be equipped with restriction both mutual pivoted unsmooth cooperation structure between the lateral wall of regulation base, the regulation base cover is located on the bolt and with the mutual joint of bolt along the circumferencial direction.

10. A door moving device is characterized in that: the sliding door buffer comprises a door leaf, a sliding door guide rail and the sliding door buffer as claimed in any one of claims 1 to 9, wherein the shell is connected with the door leaf and can slide along the sliding door guide rail.

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