CN109025604B

CN109025604B - Sliding door buffer

Info

Publication number: CN109025604B
Application number: CN201811086253.XA
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: 2018-09-18
Filing date: 2018-09-18
Publication date: 2023-09-08
Anticipated expiration: 2038-09-18
Also published as: CN109025604A

Abstract

The invention relates to a sliding door buffer, which comprises a shell, a connecting body, a first sliding block, a damper, a second sliding block and an elastic piece, wherein a first sliding rail, a first mounting groove, a second sliding rail and a second mounting groove are sequentially arranged in the shell along the door closing direction; the first sliding block is arranged in the first sliding rail and can slide in the first sliding rail; the damper is arranged in the first mounting groove, the telescopic end of the damper is connected with the first sliding block, and the fixed end of the damper is abutted against the groove wall of one end of the first mounting groove far away from the first sliding block; the second sliding block is arranged in the second sliding rail and can slide in the second sliding rail, the bottom of the second sliding block is provided with a triggering part, and the triggering part penetrates through the bottom of the second sliding rail; the elastic piece is arranged in the second mounting groove, one end of the elastic piece is connected with the second sliding block, and the other end of the elastic piece is fixed in the second mounting groove. The invention has simple and stable structure, good strength and convenient and quick installation, can effectively relieve the moving speed of the door body, enables the sliding door to be slowly and softly closed, and eliminates the sound generated by the sliding door striking the door cabinet.

Description

Sliding door buffer

Technical Field

The invention relates to the technical field of door closing buffering, in particular to a sliding door buffer.

Background

More and more families in modern families use sliding door products, and when the sliding door is used, the sliding door can be found to be pushed and impacted by inertia due to too smooth pulleys, and a snap is generated, so that noise is generated, and more or less troubles are brought to life. If the impact sound is to be solved, the buffer is arranged on the sliding door, the function of the buffer is to prevent noise caused by the rapid closing of the sliding door, prevent the rapid closing of the sliding door from impacting the side plate strongly, prevent the sliding door from pinching fingers, enable the sliding door to be automatically buffered when the sliding door reaches the side plate, and then automatically and slowly close, and prevent the sliding door from rebounding. However, the conventional sliding door buffer has the problems of complex structure, difficult installation and the like.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the sliding door buffer which has a simple structure and is easy to install.

In order to achieve the above object, the present invention can be achieved by the following technical scheme:

the sliding door buffer comprises a shell, a connecting body, a first sliding block, a damper, a second sliding block and an elastic piece, wherein a first sliding rail, a first mounting groove, a second sliding rail and a second mounting groove are sequentially arranged in the shell along the door closing direction; the first sliding block is arranged in the first sliding rail and can slide in the first sliding rail; the damper is arranged in the first mounting groove, the telescopic end of the damper is connected with the first sliding block, and the fixed end of the damper is abutted against the groove wall of one end of the first mounting groove far away from the first sliding block; the second sliding block is arranged in the second sliding rail and can slide in the second sliding rail, a trigger part is arranged at the bottom of the second sliding block, and the trigger part penetrates through the bottom of the second sliding rail; the elastic piece is arranged in the second mounting groove, one end of the elastic piece is connected with the second sliding block, and the other end of the elastic piece is fixed in the second mounting groove; the connecting piece is arranged on the first sliding block, the damper and the second sliding block, and two ends of the connecting piece are fixedly connected with the first sliding block and the second sliding block respectively.

Further, the damper further comprises a connecting piece arranged on the first sliding block, the damper and the second sliding block, and the first sliding block and the second sliding block are fixedly connected with two ends of the connecting piece respectively.

Further, still include the lid of setting above the connecting piece, lid and casing fixed connection, the connecting piece corresponds the position of attenuator cylinder body and is equipped with the bar through-hole, the position that the lid corresponds the bar through-hole downwardly extending has first spacing portion, first spacing portion passes the bar through-hole and carries out vertical spacing to the attenuator cylinder body.

Further, the connecting piece is provided with a second limiting part which extends downwards corresponding to the position of the damper telescopic rod, and the second limiting part longitudinally limits the damper telescopic rod.

Further, the triggering part is a swinging hook, the direction from the head part to the tail part of the swinging hook is consistent with the door closing direction, the tail part of the swinging hook is downwards bent, a cavity for placing the swinging hook is arranged in the second sliding block, and the swinging hook is hinged with the second sliding block in the cavity; the head of the swinging hook is provided with a cylindrical connecting piece, a first U-shaped clamping groove is formed in the groove wall of one end of the second mounting groove, which is close to the head of the swinging hook, and the first U-shaped clamping groove is clamped with the cylindrical connecting piece.

Further, a semicircular notch is formed in the position, which is contacted with the second sliding block when the swing hook swings, of the second sliding block, and a silencing soft rubber column is arranged on the semicircular notch.

Further, a first connecting groove matched and connected with the telescopic end of the damper is formed in the first sliding block, and a second connecting groove matched and connected with one end of the elastic piece is formed in the second sliding block.

Further, a supporting piece for supporting the telescopic rod of the damper is arranged in the first mounting groove; one end of the second mounting groove, which is far away from the second sliding block, is provided with a fixing position for fixing one end of the elastic piece, which is far away from the second sliding block; the shell is located the terminal one end of closing the door direction and transversely is equipped with the second U-shaped draw-in groove, install the U-shaped shell fragment on the second U-shaped draw-in groove.

Further, a threaded hole is formed in one end, connected with the first sliding block, of the connecting piece, a square hole is formed in one end, connected with the second sliding block, of the connecting piece, and a positioning clamping groove is formed in the side face of one end, connected with the second sliding block, of the connecting piece; the top integration of first slider is provided with the double-screw bolt of being connected with the screw hole, the top on the second slider is equipped with the square knot that detains mutually with square hole, the side of second slider is equipped with the locating piece with the block of location draw-in groove looks block.

Further, the damper is a buffer oil cylinder, and the elastic piece is a tension spring.

Further, the connecting piece is a U-shaped metal piece.

Compared with the prior art, the invention has the beneficial technical effects that: the door has the advantages of simple and stable structure, good strength, convenient and quick installation, and can effectively relieve the moving speed of the door body, enable the sliding door to be slowly and softly closed, eliminate the sound generated when the sliding door impacts the door cabinet, and have low noise and good buffering effect in the closing process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic exploded view of the present invention;

FIG. 4 is a schematic cross-sectional view of a connector of the present invention;

FIG. 5 is a schematic view of the overall structure of a second slider of the present invention;

FIG. 6 is a schematic view of an exploded construction of a second slider of the present invention;

FIG. 7 is a state diagram of the hook post connector clamped in the first U-shaped clamping groove;

FIG. 8 is a working state diagram of the swing hook cylindrical connecting piece unhooking the first U-shaped clamping groove;

in the figure: 1. a housing; 11. a first slide rail; 12. a first mounting groove; 13. a second slide rail; 14. a second mounting groove; 15. a support; 16. fixing the position; 17. a first U-shaped clamping groove; 18. a second U-shaped clamping groove; 19. a U-shaped spring plate; 2. a first slider; 21. a first connection groove; 22. a stud; 3. a damper; 31. a cylinder; 32. a telescopic rod; 4. a second slider; 41. a swinging hook; 42. a cavity; 43. a semicircular notch; 44. a silencing soft rubber column; 45. a second connecting groove; 46. square buckle; 47. a positioning block; 48. a cylindrical connecting member; 5. an elastic member; 6. a connecting piece; 61. a bar-shaped through hole; 62. a second limit part; 63. a threaded hole; 64. square holes; 65. positioning clamping grooves; 7. a cover body; 71. a first limit part; 8. a sliding door; 9. the hook pulling piece.

Detailed Description

The invention will be further described with reference to the accompanying drawings and detailed description below:

as shown in fig. 1 to 3, a sliding door damper according to the present invention mainly includes a housing 1, a connecting member 6, a first slider 2, a damper 3, a second slider 4, and an elastic member 5. A first sliding rail 11, a first mounting groove 12, a second sliding rail 13 and a second mounting groove 14 are sequentially arranged in the shell 1 along the door closing direction; the first sliding block 2 is arranged in the first sliding rail 11 and can slide in the first sliding rail 11; the damper 3 is arranged in the first mounting groove 12, the telescopic end of the damper is connected with the first sliding block 2, and the fixed end of the damper is in contact with the groove wall of one end of the first mounting groove 12 far away from the first sliding block 2; the second sliding block 4 is arranged in the second sliding rail 13 and can slide in the second sliding rail 13, a trigger part is arranged at the bottom of the second sliding block 4 and penetrates through the bottom of the second sliding rail 13; the elastic member 5 is installed in the second installation groove 14, one end of which is connected with the second slider 4, and the other end of which is fixed in the second installation groove 14. The connecting piece 6 is arranged on the first sliding block 2, the damper 3 and the second sliding block 4, and two ends of the connecting piece 6 are respectively fixedly connected with the first sliding block 2 and the second sliding block 4 through screw holes and screws, so that the connection is firm. The connecting member 6 bridges the first slider 2 and the second slider 4, and transmits the buffering resistance to the first slider 2 to relieve the moving speed. The connecting piece 6 is a U-shaped metal piece, and the number is multiplied, so that the connecting strength and the intensity are improved.

The invention also comprises a cover body 7 arranged on the connecting piece 6, wherein the two ends and the side surfaces of the cover body 7 are fixedly connected with the two ends and the side surfaces of the shell 1 through screw holes and screws, so that the integral matching looseness of the sliding door buffer is avoided, and the integral firmness is enhanced. The cover 7 is used for covering the inner storage and strengthening the strength of the shell 1 and the whole. The damper 3 includes cylinder body 31 and telescopic link 32, and connecting piece 6 is equipped with bar through-hole 61 corresponding to the position of damper 3 cylinder body 31, and lid 7 is corresponding to the position downwardly extending of bar through-hole 61 has first spacing portion 71, and first spacing portion 71 passes bar through-hole 61 and carries out vertical spacing to damper 3 cylinder body 31, prevents that damper 3 cylinder body 31 from becoming flexible from top to bottom, avoids damper 3 cylinder body 31 to be scraped by connecting piece 6 at the during operation. The strip-shaped through holes 61 can effectively avoid the cylinder body 31 of the damper 3, so that the space is saved for the whole structure. The connecting piece 6 is corresponding to the position of the telescopic rod 32 of the damper 3 and downwards extends to form a second limiting part 62, and the second limiting part 62 longitudinally limits the telescopic rod 32 of the damper 3, so that the balanced running of the telescopic rod 32 of the damper 3 can be ensured, and bending is avoided.

The triggering part is a swinging hook 41, the direction from the head to the tail of the swinging hook 41 is consistent with the closing direction, the tail of the swinging hook is bent downwards, a cavity 42 for placing the swinging hook 41 is arranged in the second slider 4, and the swinging hook 41 is hinged with the second slider 4 in the cavity 42 through a pin shaft. The head of the swinging hook 41 is provided with a cylindrical connecting piece 48, the groove wall of one end of the second mounting groove 14 close to the head of the swinging hook 41 is provided with a first U-shaped clamping groove 17, and the first U-shaped clamping groove 17 is clamped with the cylindrical connecting piece 48. The second slider 4 is equipped with semicircle notch 43 in the position that collides with it when the pendulum colludes 41 swing, is equipped with amortization soft rubber post 44 on the semicircle notch 43, can effectively reduce the sound that pendulum colludes 41 striking second slider 4 when the during operation, noise abatement.

The first slider 2 is provided with a first connecting groove 21 which is matched and connected with the telescopic end of the damper 3, the second slider 4 is provided with a second connecting groove 45 which is matched and connected with one end of the elastic piece 5, and the connecting way of the connecting groove enables assembly to be more convenient and rapid, and meanwhile workpiece cost is saved.

The first mounting groove 12 is internally provided with a supporting piece 15 for supporting the telescopic rod 32 of the damper 3, so that the telescopic rod 32 of the damper 3 can stably stretch. The end of the second mounting groove 14 remote from the second slider 4 is provided with a fixing position 16 for fixing the end of the elastic member 5 remote from the second slider 4. The shell 1 is located the terminal one end of closing the door and transversely is equipped with second U-shaped draw-in groove 18, installs U-shaped shell fragment 19 on the second U-shaped draw-in groove 18, plays the effect of location when the installation.

The end of the connecting piece 6 connected with the first sliding block 2 is provided with a threaded hole 63, the end connected with the second sliding block 4 is provided with a square hole 64, and the side surface of the end connected with the second sliding block 4 is provided with a positioning clamping groove 65; the top of the first slide block 2 is integrally provided with a stud 22 connected with a threaded hole 63, the top of the second slide block 4 is provided with a square buckle 46 buckled with a square hole 64, and the side surface of the second slide block 4 is provided with a positioning block 47 engaged with a positioning clamping groove 65. The threaded holes 63, the studs 22, the square holes 64, the square buckles 46, the positioning clamping grooves 65 and the positioning blocks 47 are used for facilitating accurate positioning when the connecting piece 6 is assembled with the first sliding block 2, the connecting piece 6 is assembled with the second sliding block 4, and meanwhile firm connection force of force transmission when the sliding door buffer works is enhanced.

The two side surfaces of the first sliding block 2 and the second sliding block 4 are respectively provided with a guide rail groove, and the corresponding guide rails are arranged on the groove walls of the two sides of the first installation groove 12 and the second installation groove 14, so that the first sliding block 2 and the second sliding block 4 can respectively slide in the first installation groove 12 and the second installation groove 14 in a balanced manner, and the sliding blocks are prevented from jumping during operation and are impacted to rub other parts.

Preferably, the damper 3 adopts a buffer cylinder, and the elastic piece 5 adopts a tension spring.

The invention is arranged on a door frame, the top of the sliding door 8 can be correspondingly provided with the poking hook piece 9, and when the door is closed, the poking hook piece 9 pokes the swinging hook 41 to start buffering.

The working principle of the invention is as follows:

before the hook 9 on the sliding door 8 does not touch the hook 41, the cylindrical connecting piece 48 on the hook 41 is clamped in the first U-shaped clamping groove 17 of the second mounting groove 14, and the elastic piece 5 is in a stretched state as shown in fig. 7. When the door is closed, the swinging hook 41 of the second slider 4 is driven to be swung by the poking hook piece 9, the cylindrical connecting piece 48 of the swinging hook 41 is unhooked from the first U-shaped clamping groove 17, as shown in fig. 8, the second slider 4 is pulled by the pulling force of the elastic piece 5 and slides towards the closing direction, the connecting piece 6 is pulled by the elastic piece 5 to move towards the closing direction because the connecting piece 6 is fixedly connected with the first slider 2 and the second slider 4 respectively, the first slider 2 also slides towards the closing direction, and the sliding of the first slider 2 is connected with the telescopic end of the damper 3, so that the damper 3 is compressed due to the sliding of the first slider 2, the buffer resistance is generated, and the moving speed of a part formed by combining the connecting piece 6, the first slider 2, the damper 3, the second slider 4 and the elastic piece 5 is relieved, so that the sliding door 8 is slowly and softly closed, and the sound generated when the sliding door collides with the door cabinet is eliminated.

Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing disclosure and are intended to be within the scope of the appended claims.

Claims

1. A sliding door buffer, characterized in that: the door-closing device comprises a shell, a connecting piece, a first sliding block, a damper, a second sliding block and an elastic piece, wherein a first sliding rail, a first mounting groove, a second sliding rail and a second mounting groove are sequentially arranged in the shell along the door-closing direction; the first sliding block is arranged in the first sliding rail and can slide in the first sliding rail; the damper is arranged in the first mounting groove, the telescopic end of the damper is connected with the first sliding block, and the fixed end of the damper is abutted against the groove wall of one end of the first mounting groove far away from the first sliding block; the second sliding block is arranged in the second sliding rail and can slide in the second sliding rail, a trigger part is arranged at the bottom of the second sliding block, and the trigger part penetrates through the bottom of the second sliding rail; the elastic piece is arranged in the second mounting groove, one end of the elastic piece is connected with the second sliding block, and the other end of the elastic piece is fixed in the second mounting groove; the connecting piece is arranged on the first sliding block, the damper and the second sliding block, and two ends of the connecting piece are fixedly connected with the first sliding block and the second sliding block respectively.

2. The sliding door buffer according to claim 1, wherein: still including setting up the lid above the connecting piece, lid and casing fixed connection, the connecting piece corresponds the position of attenuator cylinder body and is equipped with the bar through-hole, the position that the lid corresponds the bar through-hole downwardly extending has first spacing portion, first spacing portion passes the bar through-hole and carries out vertical spacing to the attenuator cylinder body.

3. The sliding door buffer according to claim 2, wherein: the connecting piece corresponds the position downwardly extending of attenuator telescopic link and has the second spacing portion, the second spacing portion carries out vertical spacing to the attenuator telescopic link.

4. The sliding door buffer according to claim 1, wherein: the triggering part is a swinging hook, the direction from the head part to the tail part of the swinging hook is consistent with the door closing direction, the tail part of the swinging hook is bent downwards, a cavity for placing the swinging hook is arranged in the second sliding block, and the swinging hook is hinged with the second sliding block in the cavity; the head of the swinging hook is provided with a cylindrical connecting piece, a first U-shaped clamping groove is formed in the groove wall of one end of the second mounting groove, which is close to the head of the swinging hook, and the first U-shaped clamping groove is clamped with the cylindrical connecting piece.

5. The sliding door buffer according to claim 4, wherein: the second sliding block is provided with a semicircular notch at a position which is contacted with the second sliding block when the swing hook swings, and the semicircular notch is provided with a silencing soft rubber column.

6. The sliding door buffer according to claim 1 or 5, characterized in that: the first slider is provided with a first connecting groove which is matched and connected with the telescopic end of the damper, and the second slider is provided with a second connecting groove which is matched and connected with one end of the elastic piece.

7. The sliding door buffer according to claim 1, wherein: a supporting piece for supporting the telescopic rod of the damper is arranged in the first mounting groove; one end of the second mounting groove, which is far away from the second sliding block, is provided with a fixing position for fixing one end of the elastic piece, which is far away from the second sliding block; the shell is located the terminal one end of closing the door direction and transversely is equipped with the second U-shaped draw-in groove, install the U-shaped shell fragment on the second U-shaped draw-in groove.

8. The sliding door buffer according to claim 1 or 2 or 3 or 4 or 5 or 7, characterized in that: the side surface of one end connected with the second sliding block is provided with a positioning clamping groove; the top integration of first slider is provided with the double-screw bolt of being connected with the screw hole, the top on the second slider is equipped with the square knot that detains mutually with square hole, the side of second slider is equipped with the locating piece with the block of location draw-in groove looks block.

9. The sliding door buffer according to claim 1, wherein: the damper is a buffer oil cylinder, and the elastic piece is a tension spring.

10. The sliding door buffer according to claim 1, wherein: the connecting piece is a U-shaped metal piece.