CN102342676A

CN102342676A - Improved structure of drawing type bearing part for stably drawing

Info

Publication number: CN102342676A
Application number: CN201010239802XA
Authority: CN
Inventors: 陈崇尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-26
Filing date: 2010-07-26
Publication date: 2012-02-08

Abstract

The invention discloses an improved structure of a drawing type bearing part for stably drawing, which comprises a drawing type carrying part which is arranged on a cabinet body and can be used for storing objects and can be guided to push in or pull out, wherein a maintaining device for preventing the drawing type carrying part from shifting leftwards and rightwards when the drawing type carrying part slides is arranged between the drawing type carrying part and the cabinet body, the maintaining device comprises guide-slide rail elements which are fixed at two sides of the drawing type carrying part, each guide-slide rail element is respectively provided with a continuous tooth part and a gear which is engaged with the continuous tooth part, the two gears are connected with each other through a rod shaft so as to realize the synchronic rotation, a stop part is respectively arranged on scheduled positions at two sides of the rod shaft, the edge of each stop part is close to a deterrent edge of the guide-slide rail element, the deterrent edge is opposite to the continuous tooth part, so the rod shaft is stopped and limited by the deterrent edges through the stop parts, and the gears which are engaged with the continuous tooth part are free from having the jigging and dropping phenomenon.

Description

The pull of pull bearing part is structure-improved stably

Technical field

The present invention relates to the pull bearing part of cabinet; Particularly the pull bearing part of cabinet is drawn out and pushes when moving; Except can its glide direction of correcting deflection can taking place or the beat, and beat can prevent it to slide the time and take off the generation of tooth, and prevent the generation of slip noise.

Background technology

About the known general cabinet of people and on it between the set drawer; The common guiding device that all can be provided with guide rail and lead; Its objective is and allow the slip of pulling out and pushing of drawer can be more merrily and lightheartedly smooth and easy; But because guide rail and lead between cooperation; Still there is sizable space; So when the point of application of push-and-pull drawer is not positioned at the centre of drawer; Will cause the phenomenon of the slip generation deflection of drawer; Cause guiding device to receive the effect of undesired strength, and worn and torn, shortened easily the life-span of using.

Therefore; The invention of CN200910008402 number of application " cabinet pull bearing part is with assisting device and this cabinet synchronously " before the inventor; Be that pull bearing part in cabinet is except establishing the slippage with guiding device guiding pull bearing part; Most importantly in the both sides, bottom surface of this pull bearing part; Be provided with perforation (be continuous tooth portion) or be installed with the synchronous piece of denticulate pores according to the moving direction of pull bearing part; And establish the two ends that a driven unit includes a bar axle and be provided with gear; And make the perforation engagement of each side gear and corresponding position, pull bearing part bottom surface; Make simultaneously the both sides of bar axle stride in the two body holders of seat on the cupboard frame again; Then be provided with the body that can support the bar axle in the body holder of each side; And by body to the make progress strength of pushing tow of bar axle both sides, make between gear and the perforation of bar axle both sides to keep meshing together with suitable tightness.

So above-mentioned technical skill; Be to be drawn out or to push when sliding stressed when the pull bearing part; Even this point of application is not when pull bearing part middle; It is because of receiving two side gears and being engaged with under the restriction of perforation; Enable to guarantee the glide direction of pull bearing part, can remain unchanged and make it that phenomenon of deflection can not take place; But; It is serious when uneven about the application of force that the pull bearing part is drawn out or pushes takes place; Particularly comparatively roomy drawer; Just hold very much and cause the disengaging between gear and the perforation, and then produce the phenomenon of jumping the tooth disengaging, make the pull bearing part produce the phenomenon of beat; Except meeting produces the noise that slides; And also can be to causing fast wearing and tearing between gear and the perforation, and more allow the gear of both sides detach on the perforation when serious, cause the damage of part.

Summary of the invention

Have the generation doubt of taking off tooth and noise phenomenon between above-mentioned driven unit and the pull bearing part in order to improve; The present invention provides a kind of defeated guiding device with perforation of two intermeshing teeth that includes; Allow gear on perforation, not only can not jump the phenomenon that tooth breaks away from during rolling, and make the noise of gear rolling drop to minimum and guide that the pull bearing part slides steadily with smooth and easy.

The technical solution adopted for the present invention to solve the technical problems is: between cabinet and pull bearing part, be provided with the holdout device that guiding is slided; And this holdout device comprises that one between the both sides that are individually fixed in cabinet and pull bearing part the slide guide rail spare of the continuous tooth of tool portion, and one include two ends and have the formed lift-over guiding element of bar axle with the continuous tooth in both sides portion meshed gears along glide direction; And the both sides axial region of bar axle is cross-placed in the bearing that is fixed on cabinet or the pull bearing part; And making the side place of the gear of axial region end form a stop section, order position is provided with the prevention limit with the stop section next-door neighbour in tooth portion continuously with respect to the opposite side place of axial region again.

Again, the described prevention of the invention described above limit is by forming on the slide guide rail spare of the pairing axial region opposite side of continuous tooth portion set on the slide guide rail spare, and makes between the stop section of preventing on limit and the axial region and remain with predetermined space.

The invention has the beneficial effects as follows; Except the direction that the pull bearing part is slided can not take place the phenomenon of deflection; More because of preventing the minim gap between limit and the stop section; Mobile generation resistance limit radially possibly take place to axial region; Allow the pull bearing part be subjected to the application of force improperly under the situation; Make between the gear and continuous tooth portion that meshes together; Can not jump the phenomenon that tooth breaks away from fully; And then the slip that makes the pull bearing part is more apparent steady, smooth and easy, and can prevent the noise of beating when sliding to take place.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further specified:

Fig. 1 is a front view of the present invention;

Fig. 2 is a partial exploded view of the present invention;

Fig. 3 is an exploded enlarged diagram of the present invention;

Fig. 4 is a local forward sight enlarged diagram of the present invention;

Fig. 5 is the schematic perspective view of the embodiment of the invention two;

Fig. 6 is the local forward sight enlarged diagram of the embodiment of the invention two;

Fig. 7 is the schematic perspective view of the embodiment of the invention three;

Fig. 8 is the sketch map of the embodiment of the invention three;

Fig. 9 is the sketch map of the embodiment of the invention four.

Among the figure: 1. cabinet 2. pull bearing parts 21. holders

3. guiding device 31. guiding elements 32. are led

4. holdout device 41. slide guide rail spares 411. prevention limits

42. lead tooth spare 421. continuous tooth portions 43. gears

44. bar axle 45. bearings 451. microscler notches

422. location division 410. locating holes, 47. bodies

48. pad 431. joint portions 432. axial regions

33. 5. of stop section 441. combined holes

The specific embodiment

See also Fig. 1; Fig. 2; Fig. 3 and shown in Figure 4; The present invention includes that a cabinet 1 is provided with predetermined number and can (be drawer by the pull bearing part 2 of pulling out or pushing in the cabinet 1; Basket support or glove plate ... ... etc.); And between the both sides of each pull bearing part 2 and cabinet 1, respectively be provided with guiding device 3; And this guiding device 3 comprises that one is fixed in the guiding element 31 on the pull bearing part 2; And corresponding being fixed in leads 32 on the cabinet 1; And make guiding element 31 and to lead 32 chimeric each other and flexible is slided; In addition keep device 4 establishing one below the pull bearing part 2 and between the cabinet 1 again; And this holdout device 4 comprises the two slide guide rail spares 41 that are locked in pull bearing part 2 both sides relatively; An and lift-over guiding element along the 41 synchronous lift-over of two slide guide rail spares; What wherein the below on the slide guide rail spare 41 of this each side was embedded with the continuous tooth of tool portion 421 leads tooth spare 42; And convex with location division 422 at a bottom face of leading tooth spare 42; Corresponding position at slide guide rail spare 41 then is provided with locating hole 410; And then make and lead after tooth spare 42 is embedded on the slide guide rail spare 41, can insert in locating holes 410 through its location division 422 and make the disengaging that can not be moved; In addition; This lift-over guiding element comprises two and both sides continuous tooth portion 421 pitch wheels 43; And the two ends of establishing by a bar axle 44 combine this two gear 43; Even the gear 43 of each end is located on the axial region 432; And the both sides that make bar axle 44 have dentation combined hole 441; And this each axial region 432 is provided with joint portion 431 and can inserts in this combined hole 441, even two ends gear 43 can rotate after binding synchronously, and is formed with stop section 433 at each axial region 432 contiguous gears 43 place.

In addition; Place, pairing cabinet 1 plane below pull bearing part 2 front ends; Be installed with two relative bearings 45; And make the axial region 432 of the both sides of bar axle 44; In the set elongate slots 451 of this two bearing 45; Allow axial region 432 be able in microscler notch 451, do upper and lower moving; Make again simultaneously on the slide guide rail spare 41 of tooth portion 421 with respect to axial region 432 opposite sides continuously, being provided with and prevent limit 411, and make between the stop section 433 set on this prevention limit 411 and the axial region 432 and remain with predetermined space.

Therefore; When pull bearing part 2 is subjected to the application of force and is drawn out or pushes in by cabinet 1; This pull bearing part 2 is under the guiding that receives guiding device 3 and sliding; More simultaneously under the guiding of holdout device 4; Under the engagement of its pull bearing part 2 at the continuous tooth portion 421 of both sides and two gears 43 of rotation synchronously; Make the moving direction of pull bearing part 2 not only can remain unchanged and the phenomenon of deflection can not take place again, make the slip of pull bearing part 2 more smooth and easy.

But if the suffered point of application that pushes or pull out of pull bearing part 2; There is not the position at middle position; And a little to the left or to the right during deflection; Originally can cause each side gear 43 and continuous tooth portion 421 engagement places; Unbalanced phenomenon can take place in the strength of being born; Cause between gear 43 and the continuous tooth portion 421; The phenomenon that tooth breaks away from can take place to jump; During particularly more roomy and heavy again pull bearing part 2; Serious like this problem takes place more easily; But gear 43 should be subjected to preventing the block on limit 411 originally; The phenomenon of ought to not can take off tooth; But for gear 43 can be rotated smoothly; Just must possess bigger gap between gear 43 and the end face 412; So when pull bearing part 2 is subjected to comparatively serious application of force deflection; Two side gears 43 will produce the phenomenon of taking off tooth of the continuous tooth portion 421 of desiring to ascend; But be subjected to preventing the block on limit 411 and back off; Working as pull bearing part 2 simultaneously continues pulling and impels gear 43 continuous rollings; More make gear 43 the tooth top position and prevent continuous bump intermittently take place between the limit 411, and then unhappy noise is made us in generation.

So, for beating and noise of further prevention gear 43, be the gap that makes between the stop section 433 of prevention limit 411 and axial region 432 of slide guide rail spare 41, much smaller than the tooth top of gear 43 and prevent the gap between the limit 411; Therefore; When pull bearing part 2 receives the tiltedly uneven partially application of force; Even gear 43 and continuously between the tooth portion 421 during desire generation slippage phenomenon; Stop section 433 promptly can be lived by block in this prevention limit 411; And then beating of gear 43 lived in prevention; In any case make gear 43 rotate; Can not contact or collide with preventing limit 411 generations; And this stop section 433 is to be a round; So stop section 433 is smooth-going contacting with preventing limit 411; Thereby can not produce the noise of intermittent collision; And then allow gear 43 and continuously the engagement between the tooth portion 421 do not have and jump over break-off and take place; Make the slip of pull bearing part 2 still can keep the glide direction of being scheduled to; And stable mobile smoothly, and then further prevent the crooked of pull bearing part 2; And the generation of noise.

In addition; Fig. 5 and shown in Figure 6 for another example; If the top that continuous tooth portion 421 is located at slide guide rail spare 41; Gear 43 then is the below that is engaged in continuous tooth portion 421; And in order to then to be provided with body 47 and pad 48 in the bearing 45 of supporting axial region 432; Make axial region 432 be subjected to the upwards strength of pushing tow; And then allow gear 43 and continuously keep outside the engagement of suitable tightness between the tooth portion 421; Make again on this continuous tooth portion 421 slide guide rail spare 41 simultaneously with respect to axial region 432 opposite sides; The same extension is provided with one for preventing limit 411; And also make this prevention limit 411 be in close proximity to the side of the stop section 433 of axial region 432; Equally also beating of gear 43 be can prevent, and then gear 43 and continuously engagement and the phenomenon that can not take off tooth fully between the tooth portion 421 made.

Furthermore, the retaining means 4, various embodiments are provided in the drawer at the bottom of the bearing member 2, but also shown in Figure 7 and 8 provided on the drawer and the rear side bearing member 2 above, and even if a continuous tooth portion 421 opposite guide rail member 41 is fixed on both sides of the cabinet 1, the guide roll at both sides of the lever shaft 44 accommodated in the shaft 432 were carrying drawer the rear side member 2 on the top of the support 45, and the two seat 45 is fixed to the rear end of the top drawer premises bearing member 2 of the holder 21 fixedly arranged on the same tooth portion 421 continuous with respect to the other shaft portion 432 side guide rail member 41, a stopper portion 433 adjacent the edge 411 of the stop; Yihuo shown in Figure 9, the same tooth portion 421 so that a continuous two opposite guide rail member 41 is fixed to the cabinet on both sides of the body 1, the guide roll shaft accommodating section 432 of the two seat 45 is fixed at the middle of pulling back the premises bearing member 2 of the holder 21 fixedly arranged, also in the successive teeth 421 relative to the shaft portion 432 on the other side guide rail member 41, a stopper portion 433 adjacent to the stop edge 411.

Claims

1. the pull of pull bearing part structure-improved stably; It is characterized in that; Comprise that a cabinet is provided with the pull bearing part of slip; And between cabinet and pull bearing part, be provided with and keep the holdout device that this pull bearing part glide direction can deflection; And this holdout device comprises corresponding the setting and be separately fixed at the slide guide rail spare between cabinet and the pull bearing part both sides; With one on slide guide rail spare the lift-over guiding element of rolling; And respectively be provided with continuous tooth portion on the slide guide rail spare of these both sides; And the lift-over guiding element comprises and is engaged in the continuous tooth portion of both sides and is linked and two gears of synchronous rotation are constituted by a bar axle; And these bar axle both sides are provided with axial region and can be cross-placed in the set bearing in corresponding position, both sides; And order is positioned on the axial region of gear side and establishes a stop section, on the slide guide rail spare of tooth portion respective side continuously, is provided with the prevention limit that is in close proximity to the stop section simultaneously.

2. the pull of pull bearing part according to claim 1 is structure-improved stably; It is characterized in that: this two slide guides rail spare relative fixed is in pull bearing part both sides; And tooth portion is located in the place, below of each side slide guide rail spare continuously; In addition on two bearings that the axial region of the bar axle both sides of lift-over guiding element is crossed on the cabinet to be fixed; And make the top of gears engaged in continuous tooth portion; And on this continuous tooth portion slide guide rail spare, be provided with the prevention limit that end is in close proximity to by the stop section and remains with predetermined gap with respect to bar axle opposite side.

3. the pull of pull bearing part according to claim 1 is structure-improved stably; It is characterized in that: this two slide guides rail spare relative fixed is in pull bearing part both sides; And tooth portion is located in each place, side slide guide rail spare top continuously; The axial region of the bar axle both sides of lift-over guiding element is striden and is located in two bearings that are fixed on the cabinet in addition; And make the below of gears engaged in continuous tooth portion; Be provided with in the bearing of each side again bar is axially gone up pushing tow and made gear and continuous tooth portion keep the body of engagement, on the slide guide rail spare of tooth portion with respect to the opposite side of bar axle continuously, be provided with the prevention limit that is in close proximity to by the stop section and remains with predetermined gap simultaneously.

4. the pull of pull bearing part according to claim 1 is structure-improved stably; It is characterized in that: this two slide guides rail spare relative fixed is in the both sides of cabinet; And continuous tooth portion is located at the place, below of each side slide guide rail spare; The axial region of the bar axle both sides of lift-over guiding element is striden and is located in two bearings that are fixed on the pull bearing part in addition; And make the top of gears engaged in continuous tooth portion; And on the slide guide rail spare of continuous tooth portion, be provided with the prevention limit that end is in close proximity to by the stop section and remains with predetermined gap with respect to bar axle opposite side.

5. the steady structure of the pull of pull bearing part according to claim 1 is characterized in that: this each bearing is provided with the microscler notch that can supply the bar axle to be installed with and to move up and down.