Drawer sliding rail
Technical field
The present invention relates to a kind of drawer sliding rail.
Background technology
Chinese patent literature CN 200956911 Y on October 10th, 2007 disclose a kind of drawer sliding rail from opening device, drawer sliding rail comprises decides slide rail and moving slide rail, slide is arranged on to be decided in the slide rail, be provided with chute, cursor slide and centering block in the slide, cursor slide one end is talked and is connected on the centering block, its other end is beaten into sliding in the chute, chute comprises internal chute that slides for cursor slide and the external chute that slides for centering block, centering block and spring one end join, the spring other end is fastened on the slide, and spring is oblique to be arranged in the slide; Internal chute is the ring seal structure, is provided with locating piece in it, and locating piece one end is provided with the faying face of protruding, the concave, convex of undulate, and internal chute is relative set therewith; Be provided with the unidirectional retaining step of serial connection in the internal chute, the cursor slide other end inserts in the internal chute and slides; Unidirectional retaining step is two to six, and wherein, internal chute is positioned at the locating piece section start and is provided with the first unidirectional retaining step, and the concave surface place of entering of the faying face of corrugated protruding, concave, convex is provided with the second unidirectional retaining step; And/or be provided with unidirectional slippage lead-in chamfered between the unidirectional retaining step.This drawer sliding rail can be opened automatically, still, if because of user misoperation, pull out drawer by force, touch head distortion or fracture with causing on the centering block, and then drawer sliding rail is lost from open function, and the sound of this drawer sliding rail when opening drawer is bigger, and the user is not too satisfied.
Summary of the invention
Purpose of the present invention aims to provide a kind of simple and reasonable, flexible operation, safe coefficient height, little, the long service life of sound when opening and closing, drawer sliding rail applied widely, to overcome weak point of the prior art.
A kind of drawer sliding rail by this purpose design, comprise and decide slide rail and moving slide rail, slide is arranged on to be decided on the slide rail, be provided with internal chute in the slide, cursor slide and centering block, one end and the centering block of cursor slide join, the other end of cursor slide inserts in the internal chute and slides, centering block is provided with open slot, this open slot is corresponding with the touching lever on being arranged on moving slide rail, and an end of centering block and extension spring joins, and the other end and the slide of extension spring join, it is characterized in that centering block is provided with the cavity that holds swing arm, form open slot between one side of one end of swing arm and the centering block, the opposite side of an end of swing arm and the inwall elasticity of cavity are joined, and the other end of swing arm is hubbed on the centering block.
Described swing arm is first swing arm, centering block is provided with bearing pin, the other end of first swing arm is hubbed on the centering block by this bearing pin, be provided with shell fragment, stage clip or torsion spring in the cavity, the opposite side of one end of first swing arm and an end of shell fragment, stage clip or torsion spring join, and the other end of this shell fragment, stage clip or torsion spring and the inwall of cavity join; Perhaps, described swing arm is second swing arm, and centering block is provided with bearing pin, and the other end of second swing arm is hubbed on the centering block by this bearing pin, and the opposite side of an end of second swing arm is by joining with second elastic head of its one and the inwall of cavity.
Described swing arm is the 3rd swing arm, centering block is provided with turning slot, this turning slot communicates with cavity, the other end of the 3rd swing arm is installed in the turning slot and is hubbed on the centering block, be provided with shell fragment, stage clip or torsion spring in the cavity, the opposite side of one end of the 3rd swing arm and an end of shell fragment, stage clip or torsion spring join, and the other end of this shell fragment, stage clip or torsion spring and the inwall of cavity join; Perhaps, described swing arm is the 4th swing arm, and centering block is provided with turning slot, and this turning slot communicates with cavity, the other end of the 4th swing arm is installed in the turning slot and is hubbed on the centering block, and the opposite side of an end of the 4th swing arm is by joining with the 4th elastic head of its one and the inwall of cavity.
Described swing arm is the 5th swing arm, centering block is provided with positioning round table, the other end of the 5th swing arm is set on the positioning round table, steady pin passes the 5th swing arm and positioning round table, be provided with shell fragment, stage clip or torsion spring in the cavity, the opposite side of one end of the 5th swing arm and an end of shell fragment, stage clip or torsion spring join, and the other end of this shell fragment, stage clip or torsion spring and the inwall of cavity join; Perhaps, described swing arm is the 6th swing arm, and centering block is provided with positioning round table, and the other end of the 6th swing arm is set on the positioning round table, steady pin passes the 6th swing arm and positioning round table, and the opposite side of an end of the 6th swing arm is by joining with the 6th elastic head of its one and the inwall of cavity.
Also be provided with the guide runner of L-shaped or arc in the described slide, centering block is provided with more than one projection towards a side of slide, and this projection is slidingly installed in the guide runner.
The next door of described guide runner is provided with the avoiding hollow groove for the centering block upset.
Separate setting of described guide runner and internal chute or disjunctor setting, guide runner are arranged on side the place ahead or the place ahead of internal chute.
The bottom surface of described internal chute is the plane.
Described swing arm be not subjected to external force to do the time spent, and its movement locus with centering block is identical.
One end of described swing arm is provided with and touches head.
Swing arm among the present invention be not subjected to external force to do the time spent, and swing arm is identical with the movement locus of centering block, and touching lever and swing arm on moving slide rail bump.When drawer is in closed condition, the user outwards spurs drawer by force because of maloperation, when causing touching lever extruding on the moving slide rail that joins with drawer to be positioned at touching in the swing arm, swing arm produces deflection, touching lever leaves open slot, and moving slide rail is stretched along with drawer is pulled outwardly under external force, and drawer is opened, thereby effectively avoided touching head distortion or fracture on the drawer sliding rail in the past, prolonged the service life of drawer sliding rail.
The present invention forces the motion of centering block in preset range by guide runner, enters or leave open slot with the touching lever on the convenient moving slide rail, has improved the accuracy of motion.
The bottom surface of the present invention's internal chute is set to the plane, the other end of cursor slide inserts when sliding in the internal chute, the other end of this cursor slide does not join with the bottom surface of internal chute, the sound of drawer sliding rail when opening drawer before this structure had both been eliminated, give the user a peaceful more environment, reduced cost of manufacture again.
That the present invention has is simple and reasonable, flexible operation, safe coefficient height, little, long service life of sound and advantage of wide range of application when opening and closing.
Description of drawings
Fig. 1 is the first embodiment of the invention structural representation.
Fig. 2 is the decomposition texture schematic diagram of first embodiment of the invention.
Fig. 3 is the perspective view of slide.
Fig. 4 is the perspective view of centering block.
Fig. 5 is the perspective view of cursor slide.
Fig. 6 is the second embodiment of the invention structural representation.
Fig. 7 is the decomposition texture schematic diagram of second embodiment of the invention.
Fig. 8 is the third embodiment of the invention structural representation.
Fig. 9 is the decomposition texture schematic diagram of third embodiment of the invention.
Figure 10 is the fourth embodiment of the invention structural representation.
Figure 11 is the decomposition texture schematic diagram of fourth embodiment of the invention.
Figure 12 is the fifth embodiment of the invention structural representation.
Figure 13 is the decomposition texture schematic diagram of fifth embodiment of the invention.
Figure 14 is the sixth embodiment of the invention structural representation.
Figure 15 is the decomposition texture schematic diagram of sixth embodiment of the invention.
Figure 16 is the seventh embodiment of the invention structural representation.
Figure 17 is the decomposition texture schematic diagram of seventh embodiment of the invention.
Figure 18 is the eighth embodiment of the invention structural representation.
Figure 19 is the decomposition texture schematic diagram of eighth embodiment of the invention.
Figure 20 is the ninth embodiment of the invention structural representation.
Figure 21 is the decomposition texture schematic diagram of ninth embodiment of the invention.
Figure 22 is slide and decides slide rail and the decomposition texture schematic diagram of moving slide rail.
Among the figure: 1 is slide, and 1.1 is internal chute, and 1.2 is guide runner, 1.3 be avoiding hollow groove, 1.4 is locating slot, 2 is cursor slide, 2.1 be locating hole, 2.2 are the location short column, 3 is centering block, 3.1 be hinge hole, 3.2 is bearing pin, 3.3 is fitting recess, 3.4 be draw-in groove, 3.5 is first projection, 3.6 is second projection, 3.7 be cavity, 3.8 is turning slot, 3.9 is positioning round table, 3.10 be steady pin, 4 is first swing arm, 4.1 is first to touch head, 5 is shell fragment, and 6 are extension spring, and 7 is pin, 8 is open slot, and 9 is stage clip, and 10 for deciding slide rail, 11 are moving slide rail, and 11.1 is touching lever, and 14 is second swing arm, 14.1 be second to touch head, 14.2 is second elastic head, 24 is the 3rd swing arm, 24.1 be the 3rd to touch head, 34 is the 4th swing arm, 34.1 is the 4th to touch head, 34.2 be the 4th elastic head, 44 is the 5th swing arm, 44.1 is the 5th to touch head, 54 is the 6th swing arm, and 54.1 is the 6th to touch head, and 54.2 is the 6th elastic head.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
First embodiment
Referring to Fig. 1-Fig. 5 and Figure 22, this drawer sliding rail, comprise and decide slide rail 10 and moving slide rail 11, slide 1 is arranged on to be decided on the slide rail 10, be provided with internal chute 1.1 in the slide 1, cursor slide 2 and centering block 3, one end and the centering block of cursor slide join, the other end of cursor slide inserts in the internal chute and slides, centering block is provided with open slot 8, this open slot is corresponding with the touching lever 11.1 on being arranged on moving slide rail 11, and an end of centering block and extension spring 6 joins, and the other end and the slide of extension spring join, centering block is provided with the cavity 3.7 that holds swing arm, centering block and swing arm are in that not to be subjected to external force to make its movement locus of time spent identical, and an end of swing arm is provided with and touches head, forms open slot between a side of an end of swing arm and the centering block, the opposite side of one end of swing arm and the inwall elasticity of cavity are joined, and the other end of swing arm is hubbed on the centering block.
Guide runner in the present embodiment and internal chute both can separately be provided with, and guide runner were arranged on side the place ahead or the place ahead of internal chute; Also guide runner and internal chute disjunctor can be provided with, guide runner be arranged on side the place ahead or the place ahead of internal chute; When its disjunctor is provided with, both can the two be cut off fully by middle parts, also can be by projection or inclined-plane etc. being set with the two local partition.In a word, when disjunctor is provided with, prevent that guide runner and internal chute from forming interference mutually.
Swing arm in the present embodiment is that first swing arm, 4, the first swing arms are provided with first and touch 4.1.Centering block 3 is provided with bearing pin 3.2, the other end of first swing arm is hubbed on the centering block by this bearing pin, be provided with shell fragment 5 or torsion spring in the cavity 3.7, the opposite side of an end of first swing arm and an end of shell fragment or torsion spring join, and the other end of this shell fragment 5 or torsion spring and the inwall of cavity join.For shell fragment is installed, fitting recess 3.3 can be set in cavity.
Also be provided with the guide runner 1.2 of L-shaped or arc in the slide 1, centering block 3 is provided with more than one projection towards a side of slide, and this projection is slidingly installed in the guide runner.In the present embodiment, centering block 3 is provided with two projectioies towards a side of slide: first projection, 3.5 and second projection 3.6, these two projectioies can play stablizes the effect that centering block slides.The next door of guide runner 1.2 is provided with the avoiding hollow groove 1.3 for centering block 3 upsets.Provided among Fig. 2 guide runner 1.2 and internal chute 1.1 have been provided with respectively, and guide runner 1.2 has been arranged on the concrete structure in side the place ahead of internal chute 1.1.
The location short column 2.2 that one end of the cursor slide 2 in the present embodiment is provided with by its end is inserted in the hinge hole on the centering block 3, realizes connecting; The other end of cursor slide inserts in the internal chute by pin 7 and slides.
The bottom surface of the internal chute 1.1 in the present embodiment is the plane.But, because mainly being the other end of original cursor slide, the sound when opening and closing drawer inserts the sound that is produced when the step bottom internal chute contacts when sliding in the internal chute, so also can keep the polycrystalline substance of original internal chute, only the other end with cursor slide shortens, make its bottom surface that can not touch internal chute 1.1, also can obtain to eliminate the technique effect of this sound.In the present embodiment, be the other end that pin 7 is installed in cursor slide, pin 7 stretches in the internal chute, and pin 7 play the guiding role when cursor slide slides, and pin 7 does not reach the bottom surface of internal chute 1.1.
Second embodiment
Referring to Fig. 6-Fig. 7 and Figure 22, the opposite side that is provided with an end of stage clip 9, the first swing arms in the cavity 3.7 is crimped on an end of stage clip, and the other end of this stage clip and the inwall of cavity join.Stage clip in the present embodiment can be post spring, tower spring etc.Certainly, the stage clip in the present embodiment also can replace with extension spring, also can obtain with the identical technique effect of present embodiment after only the installation site of extension spring being limited.
All the other are not stated part and see first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 8-Fig. 9 and Figure 22, swing arm in the present embodiment is second swing arm 14, the other end that centering block 3 is provided with bearing pin 3.2, the second swing arms is hubbed on the centering block by this bearing pin, and the opposite side of an end of second swing arm is by joining with second elastic head 14.2 of its one and the inwall of cavity.In the present embodiment, second swing arm and second elastic head 14.2 are integrally formed.
All the other are not stated part and see first embodiment, no longer repeat.
The 4th embodiment
Referring to 10-Figure 11 and Figure 22, swing arm in the present embodiment is the 3rd swing arm 24, centering block 3 is provided with turning slot 3.8, this turning slot communicates with cavity 3.7, the other end of the 3rd swing arm is installed in the turning slot and is hubbed on the centering block, be provided with shell fragment 5 or torsion spring in the cavity, the opposite side of an end of the 3rd swing arm and an end of shell fragment or torsion spring join, and the other end of this shell fragment or torsion spring and the inwall of cavity join.All the other are not stated part and see first embodiment, no longer repeat.
The 5th embodiment
Referring to Figure 12-Figure 13 and Figure 22, be provided with the opposite side of an end of stage clip 9, the three swing arms and an end of stage clip in the cavity and join, the other end of this stage clip and the inwall of cavity join.
All the other are not stated part and see the 4th embodiment and second embodiment, no longer repeat.
The 6th embodiment
Referring to Figure 14-Figure 15 and Figure 22, swing arm in the present embodiment is the 4th swing arm 34, centering block is provided with turning slot, this turning slot communicates with cavity 3.7, the other end of the 4th swing arm is installed in the turning slot and is hubbed on the centering block, and the opposite side of an end of the 4th swing arm is by joining with the 4th elastic head 34.2 of its one and the inwall of cavity.
All the other are not stated part and see the 4th embodiment and the 3rd embodiment, no longer repeat.
The 7th embodiment
Referring to Figure 16-Figure 17 and Figure 22, swing arm in the present embodiment is the 5th swing arm 44, centering block 3 is provided with positioning round table 3.9, the other end of the 5th swing arm is set on the positioning round table, steady pin 3.10 passes the 5th swing arm and positioning round table, be provided with shell fragment 5 or torsion spring in the cavity 3.7, the opposite side of an end of the 5th swing arm and an end of shell fragment or torsion spring join, and the other end of this shell fragment or torsion spring and the inwall of cavity join.All the other are not stated part and see first embodiment, no longer repeat.
The 8th embodiment
Referring to Figure 18-Figure 19 and Figure 22, be provided with the opposite side of an end of stage clip 9, the five swing arms and an end of stage clip in the cavity 3.7 and join, the other end of this stage clip and the inwall of cavity join.
All the other are not stated part and see the 7th embodiment and second embodiment, no longer repeat.
The 9th embodiment
Referring to Figure 20-Figure 22, swing arm in the present embodiment is the 6th swing arm 54, centering block is provided with positioning round table, and the other end of the 6th swing arm is set on the positioning round table, and the opposite side of an end of the 6th swing arm is by joining with the 6th elastic head 54.2 of its one and the inwall of cavity.
All the other are not stated part and see the 7th embodiment and the 3rd embodiment, no longer repeat.