CN210870543U

CN210870543U - Slide rail buffer device

Info

Publication number: CN210870543U
Application number: CN201921524685.4U
Authority: CN
Inventors: 卢伟德
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-15
Filing date: 2019-09-15
Publication date: 2020-06-30
Anticipated expiration: 2029-09-15

Abstract

The utility model discloses a slide rail buffer device, which comprises a fixed seat fixedly arranged on an outer rail, a sliding block for guiding the closing of a drawer, a connecting buckle block fixedly arranged on an inner rail for triggering the closing action of the guiding drawer, a swinging block for switching to a guiding station, a tension spring for driving the sliding block and a buffer for buffering the closing action of the guiding drawer; wherein, both sides respectively are equipped with the guided way about the fixing base, and the sliding block middle part is equipped with two direction buckles, and the tip of sliding block is equipped with two direction clips, and two guided ways are movably respectively inserted and are installed in the inslot that constitutes by direction clip and direction buckle and sliding block lateral wall. The utility model aims at providing a slide rail buffer that performance is stable.

Description

Slide rail buffer device

Technical Field

The utility model relates to a furniture accessory field, concretely relates to slide rail buffer.

Background

At present, three-section sliding rails, namely three-section rails for short, are arranged on two sides of a drawer of slightly high-grade furniture, the three-section rails can enable the drawer to be pulled out for a long distance, outer rails of the three-section rails are fixedly arranged on the inner wall of the furniture, inner rails of the three-section rails are fixedly arranged on the side faces of the drawer, the outer rails are generally fixedly provided with sliding rail buffering devices, connecting buckling blocks of the sliding rail buffering devices are fixedly arranged at one inward ends of the inner rails, the sliding rail buffering devices can generate attraction pulling force by triggering the connecting buckling blocks when the drawer is pushed to be closed to the bottom, the drawer is automatically guided to be closed in place, the pulling guiding process is buffered, collision cannot be caused, the current sliding block buffering devices of the sliding rail buffering devices are unreasonable in structure, the sliding blocks in the sliding rail buffering devices are easily misaligned with a fixed seat, and therefore, the situation of clamping stagnation occurs when the drawer is, namely, the performance is unstable and the use effect is poor.

Disclosure of Invention

An object of the utility model is to overcome prior art's is not enough, provide a slide rail buffer that performance is stable.

The purpose of the utility model is realized by the following technical scheme.

The utility model comprises a fixed seat fixedly arranged on the outer rail, a sliding block for guiding the drawer to close, a connecting buckle block fixedly arranged on the inner rail for triggering the drawer to close, a swinging block for switching to a guiding station, a tension spring for driving the sliding block and a buffer for buffering the drawer closing action; the upper and lower both sides of fixing base respectively are equipped with the guided way, the sliding block middle part is equipped with two direction buckle, the tip of sliding block is equipped with two direction clips, two guided ways respectively movably insert install in by direction clip with the direction buckle with the inslot that the sliding block lateral wall constitutes.

Preferably, the sliding block is provided with a limiting outer hole, an inner convex column is arranged in the center of the limiting outer hole, the swinging block is provided with an outer circle portion, a positioning hole is arranged in the center of the outer circle portion, the inner convex column is in clearance fit with the positioning hole, and the limiting outer hole is in clearance fit with the outer circle portion.

Preferably, the sliding block is equipped with and is used for bearing and direction the jack-up sand grip of connector link piece, the jack-up sand grip is located connector link piece downside, jack-up sand grip right-hand member upside is equipped with and is used for meeting connector link piece's direction slope, connector link piece left end downside is equipped with the slope that is used for the direction.

Preferably, the lower part respectively is equipped with fixed bayonet socket on the fixing base, the lower part respectively is equipped with the spring bayonet socket on the sliding block, the quantity of extension spring is established to two, the extension spring both ends respectively are equipped with the extension spring neck, at same extension spring the extension spring neck card respectively is gone into fixed bayonet socket and spring bayonet socket.

Preferably, the buffer includes the buffer movable rod, buffer movable rod front end is equipped with the draw-in groove, the fixing base is equipped with the movable rod bayonet socket, the buffer movable rod passes through draw-in groove fixed mounting in the movable rod bayonet socket.

Preferably, the sliding block is provided with a hollow part, and the hollow part is located at a position corresponding to the outer wall of the buffer.

Preferably, the end of the fixed seat is provided with a positioning concave part, the inner side of the end of the sliding block is provided with a positioning convex part, the positioning concave part is opposite to the positioning convex part, and the positioning convex part can be inserted into the positioning concave part.

Compared with the prior art, the utility model, its beneficial effect as follows: both sides respectively are equipped with the guided way about the fixing base, the sliding block middle part is equipped with two direction buckle plates, the tip of sliding block is equipped with two direction clips, two guided ways are movably respectively inserted and install in the inslot that constitutes by direction clip and direction buckle plate and sliding block lateral wall, through setting up like this, make the sliding block pull out the back in place, because the direction clip carries on spacingly to the sliding block, the relative fixing base of restriction sliding block rotates, both keep just right, thereby make the structural rigidity improve, it is more stable and smooth and easy when the guide drawer is closed.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a rear view of the present invention.

Fig. 4 is a sectional view taken along line a-a of fig. 2.

FIG. 5 is a schematic diagram of the slider in a state pulled out of position.

Fig. 6 is an enlarged view of fig. 5 at C.

Fig. 7 is an enlarged view of fig. 5 at D.

Fig. 8 is a sectional view taken along line B-B of fig. 3.

Fig. 9 is an exploded view of the front view of the visual direction of the present invention.

Fig. 10 is an exploded view of the back vision of the present invention.

Fig. 11 is a schematic view of the installation structure of the swing block and the sliding block of the present invention.

Description of reference numerals: 1-a fixed seat; 101-a guide rail; 102-a straight slide; 103-arc chute; 104-fixed bayonet; 105-a movable rod bayonet; 106-a positioning recess; 2-a sliding block; 201-guide clasp; 202-a guide buckle plate; 203-jacking up the convex strips; 2031-a guide ramp; 204-limiting outer holes; 205-internal convex column; 206-pendulum hole; 207-hollowed out; 208-spring bayonet; 209-positioning protrusions; 3-connecting the buckling blocks; 301-connection hole; 302-index guide groove; 303-index clasp; 304-a ramp; 4-a swing block; 401-outer circle portion; 402-positioning holes; 403-connecting a buckling column; 404-a guide slide post; 5-a tension spring; 501-tension spring neck; 6-a buffer; 601-a buffer movable rod; 6011-card slot.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 11, the utility model discloses a slide rail buffer device includes fixing base 1 that is used for fixed mounting at the outer rail of drawer slide rail (not drawn in the figure), sliding block 2 for guiding the drawer to close, be used for triggering the guide drawer to close the connection knot piece 3 of the fixed mounting at the inner rail of drawer slide rail (not drawn in the figure) of action, be used for switching to the swing piece 4 of guide station, be used for driving extension spring 5 of sliding block 2 and be used for closing the action to the guide drawer and carry out the buffer 6 that cushions. As shown in fig. 5, the upper and lower sides of the fixing base 1 are respectively provided with a guide rail 101, as shown in fig. 8, the guide rail 101 is a rectangular protrusion protruding from the body of the fixing base 1, the middle of the sliding block 2 is provided with two guide buckle plates 202, the guide buckle plates 202 mainly function to buckle the guide rail 101 and limit the guide rail 101, so that the guide rail 101 can only move approximately, as shown in fig. 5, the right end of the sliding block 2 is provided with two guide hooks 201 arranged one above the other, and the upper and lower guide rails 101 are respectively movably inserted and installed in a groove formed by the guide hooks 201, the guide buckle plates 202 and the side walls of the sliding block 2. As shown in fig. 11, the swing block 4 is installed on the back of the sliding block 2, the swing block 4 can swing around the hole stud 205 on the sliding block 2, as shown in fig. 10, a guiding sliding column 404 is arranged at the back of the swinging block 4, as shown in fig. 9, a straight slideway 102 is arranged at the front of the fixing seat 1, an arc slideway 103 is arranged at the tail end of the straight slideway 102, the guiding sliding column 404 is hidden in the straight slideway 102 and can be driven by the sliding block 2, and moving to the arc slideway 103, the front surface of the swinging block 4 is provided with a connecting button post 403 coaxially with the guide sliding post 404, the connecting button post 403 passes through the swinging hole 206 on the sliding block 2, as shown in fig. 1, the connecting button post 403 protrudes out of a section of the front surface of the sliding block 2, the protruding section is used for being connected with or separated from the connecting buckle block 3, the body of the buffer 6 is hidden in the corresponding cylindrical groove of the sliding block 2, and the front end of the buffer movable rod 601 of the buffer 6 is fixed on the fixed seat 1.

The working principle of the slide rail buffer device disclosed by the utility model is that, when the drawer is pulled out, because the inner rail of the drawer slide rail is fixedly arranged at the two sides of the drawer, the inner rail is pulled out together with the connecting buckle block 3, at the moment, because the transposition clasp 303 of the connecting buckle block 3 hooks the connecting buckle column 403, the slide block 2 is also pulled outwards in the same direction, the guide slide column 404 is horizontally moved in the straight slide way 102 in a guiding way, when the guide slide column 404 is horizontally moved to the arc slide way 103 when the guide slide column is pulled out to a preset position, the guide slide column 404 is moved to the end of the arc slide way 103 due to the guiding function of the arc slide way 103, as a result, the connection clasp column 404 which is coaxial with the guide slide column is also swung to be separated from the transposition clasp 303, then the connecting buckle block 3 is completely separated from the slide rail buffer device main body, and because the guide slide column 404 is blocked at the end of the arc slide way 103, as a result, the tension spring 5 is stretched, and is in an accumulation state, and the buffer movable rod 601 of the buffer 6 is also in a pulled-out state; when the drawer is closed, the connecting buckle block 3 moves towards the connecting buckle column 403 to hit the connecting buckle column 403, at the same time, the indexing guide groove 302 of the connecting buckle block 3 guides the connecting buckle column 403 to push and swing the connecting buckle column 403 to return to a state hooked by the indexing buckle 303, at the same time, the guide sliding column 404 is also separated from the arc slide way 103 due to the swing and moves to the straight slide way 102, at the same time, the connecting buckle block 3 is strongly pulled to move towards the drawer closing direction together with the drawer due to the elastic force of the tension spring 5, and due to the buffering effect of the buffer 6, the closing action is strong and slow, and then the drawer is closed, and the slide way buffer device is also successfully reset.

It can be seen from above-mentioned theory of operation, when closing the drawer, the in-process that direction traveller 404 removed straight slide 102 from arc slide 103 extreme, because the uneven or because the connection of tension spring 5 detains piece 3 and causes sliding block 2 and fixing base 1 to not adjust well because of drawer gravity causes reasons such as fall, then this process just has the jamming condition to take place, the utility model discloses further carry on spacingly owing to set up direction clasp 201 to sliding block 2, mainly restrict sliding block 2 and rotate relatively fixed seat 1, make both keep just right to make structural rigidity improve, more stable and smooth and easy when the drawer is closed.

Further, as shown in fig. 10 and 11, the sliding block 2 is provided with a limiting outer hole 204, an inner hole convex column 205 is provided at the center of the limiting outer hole 204, the swing block 4 is provided with an outer circle portion 401, a positioning hole 402 is provided at the center of the outer circle portion 401, the inner hole convex column 205 is in clearance fit with the positioning hole 402, the limiting outer hole 204 is in clearance fit with the outer circle portion 401, in general, the swing block 4 is doubly positioned, the swinging or loosening allowance in other directions is very small, the prior art only adopts a mode of matching a hole and a shaft, because of the small axial ratio, a certain assembly clearance is left in order to ensure the swinging around the shaft, as a result of which the contact area is small, but relative wobbling angle that above-mentioned clearance leads to is just big, and the guide slide post 404 of the piece 4 that swings as a result just blocks easily in the slideway 102 inside, compares the prior art, the utility model discloses it is good a lot so to set up structural stability, is favorable to the steady operation, and the result of use is better.

Further, as shown in fig. 2, the sliding block 2 is provided with a jacking convex strip 203 for supporting and guiding the connecting buckle block 3, the jacking convex strip 203 is located at the lower side of the connecting buckle block 3, a guiding slope 2031 for receiving the connecting buckle block 3 is arranged at the upper side of the right end of the jacking convex strip 203, a slope 304 for guiding is arranged at the lower side of the left end of the connecting buckle block 3, the left and right direction words are only used for clearly describing the relative position of the structure and are only effective for fig. 2, when the connecting buckle block 3 sinks due to the heavy loading object of the drawer, through the arrangement, the connecting buckle block 3 moves to the front side of the jacking convex strip 203, even if the front end of the connecting buckle block 3 sinks, the front end of the connecting buckle block can be guided through the slope and pushed up and rewound to the right track, so that the connecting buckle block 3 is located at the correct position when being buckled into the connecting buckle column 403, the action is.

Further, as shown in fig. 5, the upper portion and the lower portion of the fixing base 1 are respectively provided with the fixing bayonet 104, the upper portion and the lower portion of the sliding block 2 are respectively provided with the spring bayonet 208, the number of the tension springs 5 is two, the tension spring necks 501 are respectively provided at both ends of the tension spring 5, and the tension spring necks 501 of the same tension spring 5 are respectively clamped in the fixing bayonet 104 and the spring bayonet 208, so that the tension spring 5 can be easily mounted and dismounted, and the production efficiency is improved, on the other hand, because the tension springs 5 are provided at the upper and the lower portions, the tension force is relatively even when the guiding drawer closing action is executed, and the use is stable.

Further, as shown in fig. 3 and 9, the buffer 6 includes a buffer movable rod 601, a clamping groove 6011 is disposed at the front end of the buffer movable rod 601, the fixing seat 1 is provided with a movable rod bayonet 105, and the clamping groove 6011 is fixedly installed in the movable rod bayonet 105, so that the buffer movable rod 601 can be quickly assembled, and the structure is simple.

Further, as shown in fig. 1 and 9, the sliding block 2 is provided with a hollow portion 207, the hollow portion 207 is located at a position corresponding to an outer wall of the buffer 6, specifically, the position of the hollow portion 207 may not be exactly at the position shown in fig. 1, and a point to the left or a point to the right may be all right, so that the arrangement is favorable for ejecting the buffer 6 body from the hollow portion 207 when the buffer 6 body is detached, and is convenient for maintenance when the buffer 6 fails.

Furthermore, as shown in fig. 3 and 10, the end of the fixing base 1 is provided with a positioning concave part 106, the inner side of the end of the sliding block 2 is provided with a positioning convex part 209, the positioning concave part 106 is opposite to the positioning convex part 209, and the positioning convex part 209 can be inserted into the positioning concave part 106.

Claims

1. A slide rail buffer device comprises a fixed seat (1) fixedly arranged on an outer rail, a sliding block (2) used for guiding a drawer to close, a connecting buckle block (3) fixedly arranged on an inner rail and used for triggering and guiding the drawer to close, a swinging block (4) used for switching to a guide station, a tension spring (5) used for driving the sliding block (2) and a buffer (6) used for buffering the closing action of the guide drawer; the method is characterized in that: the upper and lower both sides of fixing base (1) respectively are equipped with guided way (101), sliding block (2) middle part is equipped with two direction buckle (202), the tip of sliding block (2) is equipped with two direction clips (201), two guided ways (101) movably insert respectively install in by direction clip (201) with direction buckle (202) with the inslot that sliding block (2) lateral wall constitutes.

2. The slide rail buffering mechanism according to claim 1, wherein: the sliding block (2) is provided with a limiting outer hole (204), an inner convex column (205) is arranged at the center of the limiting outer hole (204), an outer circle portion (401) is arranged on the swinging block (4), a positioning hole (402) is arranged at the center of the outer circle portion (401), the inner convex column (205) is in clearance fit with the positioning hole (402), and the limiting outer hole (204) is in clearance fit with the outer circle portion (401).

3. The slide rail buffering mechanism according to claim 1, wherein: sliding block (2) are equipped with and are used for bearing and direction jack-up sand grip (203) of connection knot piece (3), jack-up sand grip (203) are located connection knot piece (3) downside, jack-up sand grip (203) right-hand member upside is equipped with and is used for meet direction slope (2031) of connection knot piece (3), connection knot piece (3) left end downside is equipped with slope (304) that are used for the direction.

4. The slide rail buffering mechanism according to claim 1, wherein: the lower part respectively is equipped with fixed bayonet socket (104) on fixing base (1), the lower part respectively is equipped with spring bayonet socket (208) on sliding block (2), the quantity of extension spring (5) is established to two, extension spring (5) both ends respectively are equipped with extension spring neck (501), in same extension spring (5) extension spring neck (501) block respectively in fixed bayonet socket (104) and spring bayonet socket (208).

5. The slide rail buffering mechanism according to claim 1, wherein: buffer (6) are including buffer movable rod (601), buffer movable rod (601) front end is equipped with draw-in groove (6011), fixing base (1) is equipped with movable rod bayonet socket (105), buffer movable rod (601) pass through draw-in groove (6011) fixed mounting in movable rod bayonet socket (105).

6. The slide rail buffering mechanism according to claim 1, wherein: the sliding block (2) is provided with a hollow-out part (207), and the hollow-out part (207) is located at a position corresponding to the outer wall of the buffer (6).

7. The slide rail buffering mechanism according to claim 1, wherein: the end part of the fixed seat (1) is provided with a positioning concave part (106), the inner side of the end part of the sliding block (2) is provided with a positioning convex part (209), the positioning concave part (106) is opposite to the positioning convex part (209), and the positioning convex part (209) can be inserted into the positioning concave part (106).