CN205091620U - Cantilever structure - Google Patents

Abstract

The utility model discloses a cantilever structure, it includes two relative arm poles of establishing that connect, the seat soon of arm pole butt joint end is located to two separate locks, two sets locate the outside liner of seat soon and two lock bundles in the binder ring of these liner outer fringe, make two arm poles pivot relatively, therefore, make binder ring and the cyclic annular cladding of liner on revolving the seat, the binding power that provides horizontal migration, whole steadiness improves by a wide margin, and the atress is even when it rotates, the inconsistent phenomenon of elasticity when unlikely production rotates, moreover operating personnel when adjusting the rotation elasticity between two arm poles, can be by outside direct adjustment, it is very simple in the adjustment, do not need to rectify in addition during the equipment, promote the convenience of adjustment by a wide margin.

Description

Cantilever design

Technical field

The utility model relates to a kind of rotation technique field of cantilever, refers to that a kind of joint can the cantilever design that rotates freely of level especially.

Background technology

Cantilever is mainly used for allowing two ends object be connected, and in order to allow the two ends object on cantilever relatively rotate, a rotary joint can be had in the middle of usual cantilever, make vertically opposite the rotating freely of two ends object energy, such as be applied to the cantilever of the control casing of machining machine and tool, namely it be fixed on body in one end, the other end then establishes control casing for lock, so when user observation processing progress or carry out fine setting arrange time, can be convenient to rotate to suitable angle by controlling casing, and after completing setting, control casing can be removed, to avoid having influence on processing environment, and these actions have mainly been come by the aforementioned cantilever with rotary joint.

Traditional cantilever is mainly formed by the relative pivot joint of the elbow member of two L shapes, it is mainly provided with bearing part between the abutting end of two elbow members, make two elbow members can relatively free pivotable, but traditional cantilever not only complex structure, and using a period of time, it may change its smooth degree rotated because of abrasion, and cannot carry out adjusting its elasticity rotated according to actual demand, be not inconsistent functional need.

In order to solve the problem in aforementioned conventional cantilever-rotating joint, applicant once developed " adjustable rotary joint structure " of No. 98221663rd, a kind of TaiWan, China application, its can solve tradition cannot adjust and part smooth degree puzzlement, but because it adopts folder up and down to pull, screw togather the design of packing, cause on it, the fitting piece of lower cantalever may be out-of-alignment phenomenon in locking process, not only affect its steadiness, and the situation of the oriented single sided taper of meeting occurs, cause its liner pressurized uneven, it is made to have the phenomenon of elasticity inequality when rotating, have influence on the smoothness of rotation further, therefore when assembling, need for upper, lower fitting piece, sleeve member and built-in lock carry out axis correction, cause the inconvenience in assembling and puzzlement.In addition when for its elasticity demand of adjustment, it need rotate sleeve member and built-in lock, so namely needs to dismantle whole rotary joint, therefore very inconvenience in adjustment;

In other words, the rotary joint of existing cantilever is not attained perfect because of design, causes it to have steadiness difference, not easily adjusts, the rotation of pressurized inequality has some setbacks and the not easily problem such as assembling, therefore how to improve aforesaid problem, is be current when problem of being engaged in.

In view of this, the utility model designer is for aforementioned existing cantilever institute problems faced further investigated, and by being engaged in research and development and the manufacturing experience of related industry for many years, actively seek solution, through constantly making great efforts research and study, finally successfully develop a kind of cantilever design, use to solve existingly not easily adjusting caused inconvenience and puzzlement because of structure.

Utility model content

The purpose of this utility model is to provide one to promote combination stability, and the cantilever design that assembling is more easy.

Another object of the present utility model is to provide a kind of cantilever design being easy to adjust.

Another object of the present utility model is to provide one can make axis auto-alignment and in coaxial, makes ring-type rubbing surface uniform stressed, make it rotate the uniform cantilever design of elasticity.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of cantilever design, includes: two armed levers, two revolve seat, two liners and two beam rings;

Described two armed levers connect pivotable relatively;

Described two revolve seat body in the form of a ring, and two revolve the opposed end that seat is located at two armed levers respectively, and two revolve seat and relatively protruded out a necking section respectively in contiguous inner edge place, and necking section is formed with the clasp edge outwards protruded out together in free end;

Described two liner system hemizonids, the central isolation flange together that utilizes in two liner inner edges is formed with one first capel groove and one second capel groove, for being relatively embedded in the necking section clasp edge outside that two revolve seat relatively respectively;

Described two these beam rings are hemizonid, for a set of ring bodies being located at aforementioned two liner outsides of synthesis that connects, and two beam rings and a wherein armed lever revolve the relative inlay card of seat, two beam ring two ends are formed with an installation end and an interlocking end respectively, wherein installation end have at least one perforation and an adjustment screw, interlocking end is then formed with the lockhole of at least one corresponding perforation and the support surface of a corresponding adjustment screw, utilize at least one locking part that two beam ring interlockings are become a ring bodies respectively for two ends, and adjustment screw spiral shell establishes an adjustment screw rod, the involutory rear internal diameter of change two beam ring is produced for coordinating support surface.

Described two armed levers are formed with a class in opposed end and hold groove, and class holds bottom land edge and has multiple lockhole, and correspondence revolve seat is formed with multiple corresponding lockhole counterbore in contiguous outer rim place, pull in the class of armed lever for coordinating a locking part respectively hold revolving seat lock in groove.

Described armed lever is hollow lever, and armed lever one end has sleeve joint hole, sleeve joint hole is movably installed with a cover plate.

The described clasp edge inner edge surface revolving seat is formed with an inwardly thickening oblique surface, first and second capel groove of described liner is formed with one first oblique surface and one second oblique surface of outside squint respectively in the side differing from isolation flange, first and second oblique surface of described liner sticks to the adjacent clasp edge oblique surface revolving seat respectively, for two liner relative level direction closings or away from time, can synchronously start two revolve seat closing in vertical direction or away from.

The described seat that revolves is formed with a spacing block set in necking section end face, makes armed lever relatively revolve seat and produces anglec of rotation restriction.

The described seat that revolves is formed with a beam ring hole clipping in necking section periphery, and described two beam ring inner edges have the beam ring fixture block of a correspondence respectively, for relative inlay card.

Described beam ring outside covers an enclosing cover respectively.

The upper and lower surface of described beam ring and two ends are formed with at least one clamping part respectively, and described enclosing cover inner face has the catching groove of multiple corresponding beam ring clamping part, and these enclosing cover alternative buttons are located on beam ring.

Described armed lever is provided with a locking bar, locking bar has a screw rod, and screw front end is formed with a packing end, and these beam rings are formed with a screw, screw rod spiral shell for locking bar is established, to the liner of locking bar being formed with the perforation of a correspondence, the screw rod for locking bar passes, make the packing end of front end pass compressing corresponding revolve seat.

After adopting said structure, the utility model cantilever design was representing of aforementioned techniques means, allow beam ring of the present utility model and liner adopt ring-type be coated on and revolve on seat, it belongs to the Shu Li moved horizontally, overall steadiness significantly improves, and during rotation elasticity between adjustment two armed lever, its relative binding force revolving seat is regulated by the adjustment screw rod on beam ring and locking part, very simple and convenient in its adjustment, another one-piece construction is very simple, its combination is mostly adopted snaps into position mode and is carried out, its assembly of effective simplification, and axis auto-alignment is coaxial, therefore assembling and smooth rotation is easy to, therefore can effectively reduce costs, and the surcharge of energy improving product, and promote its economic benefit.

Accompanying drawing explanation

Fig. 1 is the composition schematic appearance of the utility model arm configuration;

Fig. 2 is the perspective exploded view of the utility model cantilever design, in order to show the aspect of each primary clustering;

Fig. 3 is the composition diagrammatic cross-section of the utility model cantilever design preferred embodiment, and it discloses the internal state of composition;

Fig. 4 is the perspective cross section schematic diagram revolving seat in the utility model cantilever design, for illustrating that these revolve the aspect of seat;

Fig. 5 is the schematic perspective view of liner in the utility model cantilever design, for the aspect that these liners are described;

Fig. 6 is the schematic perspective view of beam ring in the utility model cantilever design, for the state that these beam rings are described;

Fig. 7 is another using state diagrammatic cross-section of the utility model cantilever design preferred embodiment;

Fig. 8 is the top cross-sectional view of the utility model cantilever design;

Fig. 9 is the partial cutaway schematic of the utility model cantilever design.

Wherein:

Groove 11 lockhole 12 holds in armed lever 10 class

Sleeve joint hole 13 cover plate 15

Revolve seat 20 necking section 21 clasp edge 22

Oblique surface 23 spacing block set 24 beam ring hole clipping 25

Counterbore 26 locking part 27

Liner 30 flange 31 first capel groove 321

Second capel groove 322 bores a hole 35

Beam ring 40 caulking groove 41 beam ring fixture block 42

Screw 43 installation end 44 perforation 441

Adjustment screw 442 interlocking end 45 lockhole 451

Support surface 452 locking part 46 adjusts screw rod 47

Clamping part 48

Enclosing cover 50 tank 51 catching groove 52

Perforation 55

Locking bar 60 screw rod 65 packing end 66.

Embodiment

In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.

The utility model discloses a kind of cantilever design, in the illustrative specific embodiment of the figure that encloses and component thereof, with rear, left and right, top and bottom, top and bottom and level and vertical reference before all about, only for being conveniently described, and unrestricted the utility model, also non-its component is limited to any position or direction in space.Graphic with instructions in specified size, when can in the scope not leaving claim of the present utility model, change according to the design of the utility model specific embodiment and demand.

The formation of the utility model cantilever design, please refer to shown in Fig. 1, Fig. 2, it includes two seats 20, two that revolve that the armed lever 10, two established is locked on armed lever 10 butt end respectively that connect and is sheathed on the liner 30 that revolves seat 20 outside and two locks and restraints beam ring 40 in these liners 30 outer rim, and two armed levers 10 can be pivoted relative to each other;

The composition of the utility model preferred embodiment, Fig. 1, shown in Fig. 2 and Fig. 3, the L-shaped hollow tube of described armed lever 10, two armed levers 10 can be respectively defined as determine body armed lever 10 and as the armed lever 10 of turning, two armed levers 10 are formed with a class in opposed end and hold groove 11, and class holds groove 11 root edge and has multiple lockhole 12, establish for revolving seat 20 lock, two armed levers 10 differ from one end that class holds groove 11 and have sleeve joint hole 13, and alternative is provided with a cover plate 15 on sleeve joint hole 13, selective property opens cover plate 15 can overhaul by outside the wire rod or assembly that are laid in armed lever 10,

Described two revolve seat 20 body in the form of a ring, coordinate shown in Fig. 4, these revolve the counterbore 26 that the contiguous outer rim place of seat 20 is formed with multiple correspondence aforementioned armed lever 10 lockhole 12, pull for coordinating a locking part 27 respectively and hold in groove 11 by revolving seat 20 lock in the class of armed lever 10, these revolve seat 20 and relatively protrude out one respectively in contiguous inner edge place compared with the necking section 21 of path, and necking section 21 is formed with the clasp edge 22 outwards protruded out together in free end, and these clasp edge 22 inner edge surfaces revolving seat 20 are formed with an inwardly thickening oblique surface 23, revolve seat 20 and be formed with a spacing block set 24 in necking section 21 end face, make armed lever 10 relatively revolve seat 20 and can produce anglec of rotation restriction, moreover these revolve seat 20 and are formed with a beam ring hole clipping 25 in necking section 21 periphery, for aforementioned beam ring 40 inlay card,

Described two liners 30 are the hemizonids made by engineering plastics, seat 20 outside is revolved for being relatively sheathed on aforementioned these in the form of a ring, further cooperation is referring to shown in Fig. 5, these liner 30 inner edge central authorities utilize isolation flange 31 to be together formed with one first capel groove 321 and one second capel groove 322, for being relatively embedded in necking section 21 outside that two revolve seat 20 relatively respectively, and the two ends of two liners 30 maintain a gap, selectively sexually revise the involutory internal diameter size of two liners 30, and first of liner 30, two capel grooves 321, 322 are formed with one first oblique surface 331 and one second oblique surface 332 of outside squint respectively in the side differing from isolation flange 31, first of these liners 30, two oblique surfaces 331, 332 stick to adjacent clasp edge 22 oblique surface 23 revolving seat 20 respectively, for two liner 30 relative level direction closings or away from time, can synchronously start two revolve seat 20 closing in vertical direction or away from, as shown in Figure 9,

Moreover, these beam rings 40 described are in hemizonid, for a set of ring bodies being located at these liner 30 outsides aforementioned of synthesis that connects, and coordinate with reference to shown in Fig. 6, these beam ring 40 inner edges are formed with the caulking groove 41 supplying for one aforementioned liner 30 accommodating, and these beam ring 40 inner edges have a beam ring fixture block 42 respectively, for be relatively embedded in revolve seat 20 necking section 21 beam ring hole clipping 25 as Fig. 3, shown in Fig. 7, these beam ring 40 two ends are formed with installation end 44 and an interlocking end 45 respectively, wherein installation end 44 have at least one perforation 441 and an adjustment screw 442, interlocking end 45 is then formed with the lockhole 451 of at least one corresponding perforation 441 and the support surface 452 of a corresponding adjustment screw 442, make beam ring 40 can the interlocking end 45 of installation end 44 another beam ring 40 corresponding, utilize at least one locking part 46 that two beam ring 40 interlockings are become a ring bodies as shown in Figure 8 respectively for two ends, and adjustment screw 442 can establish an adjustment screw rod 47 by spiral shell, the effect of the involutory rear internal diameter size of change two beam ring 40 is produced as shown in Figure 8 for coordinating support surface 452, upper and lower surface and the two ends of these beam rings 40 another are formed with at least one clamping part 48 respectively, make these beam ring 40 outsides can cover an enclosing cover 50 respectively, and these enclosing covers 50 are in hemizonid, and these enclosing covers 50 have the tank 51 that supplies accommodating beam ring 40, and these enclosing cover 50 inner faces have the catching groove 52 of multiple corresponding beam ring 40 clamping part 48, these enclosing cover 50 alternative buttons are made to be located on beam ring 40, wherein aforesaid clamping part 48 and catching groove 52 are with the convex button block of relative engagement and recessed catching groove for main embodiment, so that the dismounting of enclosing cover 50,

And for example Fig. 2, Fig. 7 show, the utility model can be provided with one for two armed levers 10 locking bar 60 that selective locking is located after rotating, this locking bar 60 has a screw rod 65, and screw rod 65 front end is formed with a packing end 66, and these beam rings 40 aforesaid are formed with a screw 43, screw rod 65 spiral shell for locking bar 60 is established, liner 30 outer rim of its correspondence is formed with the perforation 35 of a corresponding first capel groove 321, screw rod 65 for locking bar 60 passes through, make the packing end 66 of front end can pass compressing and revolve seat 20, moreover the enclosing cover 50 of correspondence has a perforation Gong passing 55;

By this, group formation one steadiness is good, be easy to adjustment and assembling, and the cantilever design of smooth rotation.

By above-mentioned structural design and composition, practice of the present utility model is as shown in Fig. 1 to Fig. 3, when in cantilever as armed lever above the armed lever 10 of turning relative to as when below the armed lever 10 determining body, armed lever rotates, seat 20 outside of revolving being locked on corresponding armed lever 10 respectively can be utilized to be pulled by the inside coated folder of outer rim with liner 30 by two beam rings 40, and two beam rings 40 revolve the beam ring hole clipping 25 of seat 20 respectively as the armed lever 10 determining body using beam ring fixture block 42 clip in below, so make top revolve seat 20 as the armed lever 10 of turning by it to rotate relative to below armed lever 10, simultaneously because the seat 20 that revolves of two armed levers 10 has relative spacing block set 24, two armed levers 10 can be rotated in certain angle, and the unlikely rotation more than 360 degree, affect the wire rod of armed lever 10 inside, and when needs wear or arrange flexible wire rod in cantilever, user, by pulling down the practice of armed lever 10 cover plate 15, carries out the action of bracing wire and whole line, the convenience of its operation can be promoted,

In addition, as shown in Figure 7, when as the armed lever 10 of turning in rotate to ad-hoc location time, operating personnel are by rotating outside locking bar 60, make locking bar 60 that its screw rod 65 can be utilized to rotate advance relative to beam ring 40, and utilize its packing end 66 compression to revolve seat 20 as the armed lever 10 of turning, this armed lever 10 so can be made to obtain location, it is avoided to rotate arbitrarily, the convenience of enhancement work, and when needs make two armed levers 10 relatively rotate again, only need to rotate backward locking bar 60, make locking bar 60 packing end 66 leave this and relative revolve seat 20, two armed levers 10 like this can rotate again relatively, reach the object of selectivity location and release,

Moreover, when needing to adjust the rotation elasticity between cantilever two armed lever 10, as Fig. 8, shown in Fig. 9, to tighten, operating personnel directly can pull down the enclosing cover 50 that button is located at beam ring 40 outside, because the catching groove 52 and clamping part 48 that utilize merely male-female engagement between enclosing cover 50 and beam ring 40 fastened, its dismounting is all very easy, after enclosing cover 50 unloads, slightly can loosen the adjustment screw rod 47 exiting beam ring 40, two beam rings 40 are collected relatively by the mode of locking two ends locking part 46, and reduce the internal diameter that two beam rings 40 enclose, and the liner 30 in synchronous start beam ring 40 moves inward, so by first of liner 30, two oblique surfaces 331, 332 oblique surface 23 guiding function of revolving seat 20 relative to two, the seat 20 that revolves of two armed levers 10 is made relatively to be pressed closing, so can improve the damping force that it rotates, comparatively tight when making it rotate, unlikely any rotation.Otherwise, as oppositely regulated adjustment screw rod 47, then two beam ring 40 internal diameters can be made to become large, so can loosen two and revolve seat 20, make relatively rotating of two armed levers 10 comparatively flexible.

Known via aforementioned explanation, because the beam ring 40 of this practicality, liner 30 adopt ring-type to be coated on to revolve on seat 20, and tighten with locking part 46 screw lock, it belongs to the Shu Li moved horizontally, overall steadiness is significantly improved, and upper and lower armed lever 10 revolve the design that seat 20 axis can utilize first and second oblique surface 331,332 and oblique surface 23, automatic alignment is coaxial cable, therefore uniform force during its rotation, be unlikely and produce the phenomenon that when rotating, degree of tightness is inconsistent;

And during the rotation elasticity of operating personnel between adjustment two armed lever 10, only need to unload enclosing cover 50, namely its relative binding force revolving seat 20 is regulated by the adjustment screw rod 47 on beam ring 40 and locking part 46, very simple in its adjustment, and as aforementioned due to its axis energy automatic alignment, and do not need to correct in addition, significantly promote the convenience of adjustment;

Moreover one-piece construction of the present utility model is very simple, its combination is mostly adopted snaps into position mode and is carried out, and effectively simplifies its assembly, and axis energy automatic alignment during its assembling, be therefore easy to assembling, therefore can effectively reduce costs.

Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.

Claims (9)

1. a cantilever design, is characterized in that, includes: two armed levers, two revolve seat, two liners and two beam rings;

Described two armed levers connect pivotable relatively;

Described two revolve seat body in the form of a ring, and two revolve the opposed end that seat is located at two armed levers respectively, and two revolve seat and relatively protruded out a necking section respectively in contiguous inner edge place, and necking section is formed with the clasp edge outwards protruded out together in free end;

Described two liner system hemizonids, the central isolation flange together that utilizes in two liner inner edges is formed with one first capel groove and one second capel groove, for being relatively embedded in the necking section clasp edge outside that two revolve seat relatively respectively;

Described two these beam rings are hemizonid, for a set of ring bodies being located at aforementioned two liner outsides of synthesis that connects, and two beam rings and a wherein armed lever revolve the relative inlay card of seat, two beam ring two ends are formed with an installation end and an interlocking end respectively, wherein installation end have at least one perforation and an adjustment screw, interlocking end is then formed with the lockhole of at least one corresponding perforation and the support surface of a corresponding adjustment screw, utilize at least one locking part that two beam ring interlockings are become a ring bodies respectively for two ends, and adjustment screw spiral shell establishes an adjustment screw rod, the involutory rear internal diameter of change two beam ring is produced for coordinating support surface.

2. cantilever design as claimed in claim 1, it is characterized in that: described two armed levers are formed with a class in opposed end and hold groove, and class holds bottom land edge and has multiple lockhole, and correspondence revolve seat is formed with multiple corresponding lockhole counterbore in contiguous outer rim place, pull in the class of armed lever for coordinating a locking part respectively hold revolving seat lock in groove.

3. cantilever design as claimed in claim 1, it is characterized in that: described armed lever is hollow lever, and armed lever one end has sleeve joint hole, sleeve joint hole is movably installed with a cover plate.

4. cantilever design as claimed in claim 1, it is characterized in that: described in revolve seat clasp edge inner edge surface be formed with an inwardly thickening oblique surface, first and second capel groove of described liner is formed with one first oblique surface and one second oblique surface of outside squint respectively in the side differing from isolation flange, first and second oblique surface of described liner sticks to the adjacent clasp edge oblique surface revolving seat respectively, for two liner relative level direction closings or away from time, can synchronously start two revolve seat closing in vertical direction or away from.

5. cantilever design as claimed in claim 1, is characterized in that: described in revolve seat and be formed with a spacing block set in necking section end face, make armed lever relatively revolve seat and produce anglec of rotation restriction.

6. cantilever design as claimed in claim 1, is characterized in that: described in revolve seat and be formed with a beam ring hole clipping in necking section periphery, described two beam ring inner edges have the beam ring fixture block of a correspondence respectively, for relative inlay card.

7. cantilever design as claimed in claim 1, is characterized in that: described beam ring outside covers an enclosing cover respectively.

8. cantilever design as claimed in claim 7, it is characterized in that: the upper and lower surface of described beam ring and two ends are formed with at least one clamping part respectively, described enclosing cover inner face has the catching groove of multiple corresponding beam ring clamping part, and these enclosing cover alternative buttons are located on beam ring.

9. cantilever design as claimed in claim 1, it is characterized in that: described armed lever is provided with a locking bar, locking bar has a screw rod, and screw front end is formed with a packing end, and these beam rings being formed with a screw, the screw rod spiral shell for locking bar is established, to the liner of locking bar being formed with the perforation of a correspondence, screw rod for locking bar passes, make the packing end of front end pass compressing corresponding revolve seat.