CN201027906Y

CN201027906Y - Multi-position rotating device

Info

Publication number: CN201027906Y
Application number: CNU2007201073537U
Authority: CN
Inventors: 陈肇和
Original assignee: NINGBO LIXIN HARDWARE CO Ltd
Current assignee: NINGBO LIXIN HARDWARE CO Ltd
Priority date: 2007-03-21
Filing date: 2007-03-21
Publication date: 2008-02-27
Anticipated expiration: 2017-03-21

Abstract

The utility model relates to a multiposition angle-turning device, which comprises a positioning cover arranged on a positioning ring at the front end of a gun body and on a right-angle seat body. The front and upper part of the seat body inner chamber is suspended with a front bevel gear fixed with an extending end of an output shaft, and the rear teeth of the front bevel gear mesh with a rear bevel gear which is fixed with the extending end of a shaft with hole. The shaft with hole is provided with an inner hole and a groove for fixing a primary shaft at the front end of the gun body via a hoop. The wall of the inner hole is provided with at least four holes for installing steel balls and is sleeved with a locking ring with self-returning structure. The positioning cover is provided with convex bodies in equi-radian to match with the grooves of the positioning ring. The shaft with hole is connected with the primary shaft via rolling steel balls. The positioning ring and the positioning cover are connected via a detachable dovetail buckle structure, when the structure is detached, the position of the output shaft is selected; when the structure is buckled, the position of the output shaft is fixed. The input shaft and the output shaft are coplanar to facilitate smooth transfer of the torque. The external ring of the shaft with hole is provided with a self-returning locking sleeve mechanism for buckling the positioning steel ball tightly, and the structure is reasonable.

Description

The multidigit gyrator

Technical field

The utility model relates to mechanically operated technical field, relates in particular to the multidigit gyrator, is applicable to the transmission that turns to of moment of torsion.

Background technique

Rotary driving is mechanically operated wherein a kind of, it is no lack of the wheeled transmission of employing, adopting orthogonal worm and gear also can realize the right angle transmission, is that 99125016.8 Chinese utility model patent " right-angular drive gearbox " (notification number is CN1251411A) is exactly this type of design as the patent No..Be provided with vertical mutually and keep first and second an of determining deviation at the housing of a gear-box, a worm screw is installed on first, installation one worm gear is realized the moment of torsion transmission at right angle by first rotation on second.Though this kind mechanism can reach the right angle transmission of moment of torsion, still has defective: the first, mutual vertically disposed diaxon, its installation of having relatively high expectations, overall volume is big; The second, two orthogonal input and output shafts can't be realized the transmission of conplane moment of torsion, and promptly input and output shaft is positioned at different mounting planes, are unfavorable for the simplification of structure; Three, this transmission has the velocity ratio more than or equal to five, has the difference of input output rotational speed, can't realize waiting the transmission of moment of torsion; Four, adopted the interior sliding friction of the gear teeth, its wear extent is big, has promptly reduced the long stability and the working life of transmission; Five, its transmission heating value is big, and the lubricating requirement height generally needs to adopt light viscosity oil lubricated, and requirement simultaneously should possess good thermal diffusivity; Six, the worm and gear design is complicated, and the installation requirement height relatively just needs higher manufacture cost, is not suitable for small-sized transmission system; Seven, hard-wired input and output shaft, particularly output shaft, the selection transmission that it can't realize a plurality of positions promptly is unique mounting point; In sum, satisfy conplane wait moment of torsion transmission, volume little, have multidigit and select, above-mentioned driving mechanism still has deficiency.

Summary of the invention

Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and provides a kind of output shaft to have the multidigit gyrator that the multidigit corner is selected.Its input and output shaft is arranged in same plane, adopts the bevel-gear sett transmission; On the axle with holes positioning ball is set, can realizes axially locating with primary shaft; The runback position locking cover of the positioning ball that can link closely is equipped with in axle with holes outer ring, and the concavo-convex dovetail that positioning ring and setting sleeve employing can unplug is buckle structure mutually.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: the multidigit gyrator, comprise the setting sleeve that is fitted on the rifle body front end positioning ring, setting sleeve is sleeved on the right angle pedestal, pedestal inner chamber front upper part is hung with the preceding bevel gear that can fix with the inserting end of output shaft, and the back bevel gear has been meshed with preceding bevel gear rear end tooth; The inserting end of back bevel gear and axle with holes fixes; Axle with holes is shaped on through the clip fixedly endoporus and the groove of rifle body front end primary shaft; Be shaped at least four shell holes that steel ball is installed inner hole wall week, and be set with locking ring from resetting structure; Radians such as this setting sleeve are shaped at least four convex bodys, are shaped on groove with positioning ring and match.

The technical measures of optimizing also comprise:

Above-mentioned convex body is a dovetail shaped, is shaped on the transition circle ring body that inwardly contracts between the above-mentioned shell hole upper and lower opening, and this cirque body surface support has steel ball, and the setting-in bottom surface of this steel ball exposes at the endoporus internal face.

Be shaped on shoulder hole in the middle of the above-mentioned locking ring, this shoulder hole front end path and described with holes external diameter be suit mutually; Locking ring front-end face roof pressure has the spring that is fitted on the axle with holes; Shaft rear end with holes establishes one can limit the steel wire of locking ring to retrolisthesis.

Above-mentioned setting sleeve rear portion is the middle ring body that is shaped on shoulder hole, and anterior for being shaped on the blind cylindrical hole of symmetric arrangement groove, the positioning block that this groove and pedestal rear end external diameter are shaped on is slippery; Establish on ring body internal surface top can spring.

Be shaped on the above-mentioned ring surface two symmetric arrangement and in wear the pilot hole of self-locking bolt, this pilot hole head is shaped on counterbore; The pedestal ear end face is shaped on the screw of two symmetric arrangement, spins mutually with self-locking bolt bottom screw thread.

Above-mentioned pedestal inner chamber is shaped on annular groove, the close-fitting of axle with holes can with the annular groove bearing of setting-in mutually, the close-fitting of output shaft can with the annular groove bearing of setting-in mutually.

System one strong groove on the inserting end of above-mentioned axle with holes, back bevel gear internal diameter is shaped on the groove that runs through, and equipped one is flat strong between strong groove and the groove; The termination system that stretches into one annular groove of axle with holes is embedded a snap ring in this annular groove, snap ring and back bevel gear front-end face be axial limiting mutually.

System one strong groove on the inserting end of above-mentioned output shaft, preceding bevel gear internal diameter is shaped on the groove that runs through, and equipped one is flat strong between strong groove and the groove; The termination system that stretches into one annular groove of output shaft is embedded a snap ring in this annular groove, snap ring and preceding bevel gear lower end surface be axial limiting mutually.

Above-mentioned primary shaft front end external diameter system one can with the steel ball annular groove of buckle mutually; Primary shaft and clip pin-connect; Output shaft top suit one clip, this clip and described output shaft pin-connect, output shaft front end external diameter is shaped on annular groove, and the clip upper end is shaped on the plush copper of two symmetric arrangement.

Above-mentioned pedestal bottom is a concave volume, and top is convex body, and the concave volume upper edge is shaped on five grooves, and with the raised line of corresponding convex body upper edge spiral-lock mutually, concave volume and convex body be bolt mutually.

Compared with prior art, the present intracoelomic cavity front upper part of the utility model is hung with the preceding bevel gear that can fix with the inserting end of output shaft, the back bevel gear that has been meshed with preceding bevel gear rear end tooth, and the inserting end of back bevel gear and axle with holes fixes; Axle with holes is shaped on through the clip fixedly endoporus and the groove of rifle body front end primary shaft, be shaped at least four shell holes that steel ball is installed inner hole wall week, and being set with locking ring from resetting structure, radians such as this setting sleeve are shaped at least four convex bodys, are shaped on groove with positioning ring and match.Advantage of the present utility model is: axle with holes adopts the steel ball rolling to be connected with primary shaft, and its socket is convenient, and withholds firmly; Positioning ring and setting sleeve adopt the concavo-convex dovetail that can unplug buckle structure mutually, unplug the choice of location that can carry out output shaft, withhold the fixedly position of output shaft, handle simple and direct; Input and output shaft is arranged in the same plane, is beneficial to the smooth transfer of moment of torsion; Adopt the bevel-gear sett transmission, the stable and long service life of transmission; The runback position locking cover mechanism of the positioning ball that can link closely is equipped with in axle with holes outer ring, and is rational in infrastructure.

Description of drawings

Fig. 1 is that schematic representation is partly cutd open in the utility model embodiment's assembling;

Fig. 2 is the vertical profile schematic representation of clip among Fig. 1;

Fig. 3 is the floor map of Fig. 2;

Fig. 4 is Fig. 1 concave body floor map;

Fig. 5 is that schematic representation is looked on the left side of Fig. 4;

Fig. 6 is Fig. 1 convexity body plane schematic representation;

Fig. 7 is that schematic representation is looked on the right side of Fig. 6;

Fig. 8 is the horizontal schematic representation of pedestal among Fig. 1;

Fig. 9 is a setting sleeve vertical profile schematic representation among Fig. 1;

Figure 10 is that schematic representation is looked on Fig. 9 right side;

Figure 11 is primary shaft and rifle body assembling schematic representation.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Structure of the present utility model sees that Fig. 1 is to shown in Figure 11.Figure grade explanation: pedestal 1, positioning block 101, screw 102, annular groove 103, annular groove 104, annular groove 105, annular groove 106, concave volume 107, convex body 108, rifle body 2, primary shaft 21, annular groove 211, clip 22, positioning ring 23, preceding bevel gear 3, back bevel gear 4, output shaft 5, annular groove 51, put down and be good for 6, clip 7, plush copper 71, axle 8 with holes, endoporus 81, groove 82, steel ball 9, locking ring 10, spring 11, setting sleeve 12, shoulder hole 121, pilot hole 122, groove 123, convex body 124, ring body 125, self-locking bolt 13, spring 14 is put down and is good for 15, steel wire 16.

The multidigit gyrator, be fitted in the positioning ring of rifle body front end and the setting sleeve that matches with it, setting sleeve is sleeved on the right angle pedestal, radians such as this setting sleeve are shaped at least four convex bodys, be shaped on groove with positioning ring and match, it adopts the concavo-convex dovetail phase buckle structure that can unplug, when unpluging, can carry out the choice of location of output shaft, when withholding, fixedly the position of output shaft is handled simple and direct.The pedestal 1 that is involutory and assembles, this body inner corner place is a cavity, both sides are shaped on laterally zygomorphic a plurality of annular groove 103,104,105 and 106.In these annular grooves, be embedded with at little different bearing, bearing and axle with holes 8, output shaft 5 be close-fitting mutually, on axle 8 with holes, output shaft 5, be shaped on the shaft shoulder simultaneously, bearing and the shaft shoulder simultaneously with annular groove setting-in mutually, so can locate diaxon, prevent its slippage, join bearing on the axle and mainly improve the high-efficient operation of gyrator, also can not prepare bearing, when not preparing, may reduce the working life of whole apparatus; Pedestal 1 bottom is a concave volume 107, and top is convex body 108, and concave volume 107 upper edges are shaped on five grooves, convex body 108 upper edges be shaped on five with the groove raised line of spiral-lock mutually, concave volume 107 and convex body 108 be bolt mutually.

The corner inner chamber top of pedestal 1 is outstanding establish before bevel gear 3, this gear internal diameter is shaped on the groove that runs through, and also makes a strong groove on the inserting end of output shaft 5, groove and strong groove are embedded flat strong 15, gear and output shaft are good for the realization radial location by being somebody's turn to do, and transmitting torque; Simultaneously at the termination system that stretches into one annular groove of output shaft 5, be embedded a snap ring in this annular groove, snap ring and preceding bevel gear 3 lower end surfaces are axial restraint mutually, can limit the axial position of gear and output shaft by this snap ring, and this snap ring easy accessibility is used comparatively general; Output shaft 5 outsides are near position of bearings suit one clip 7, this clip 7 and described output shaft 5 pin-connects, and output shaft 5 front end external diameters are shaped on annular groove 51, and clip 7 upper ends are shaped on the plush copper 71 of two symmetric arrangement.

Outstandingly at the corner rear portion of pedestal 1 establish back bevel gear 4, the motion that is meshed with preceding bevel gear 3 of this gear, the tooth of front and back bevel gear generally adopts helical teeth, also can adopt straight-tooth, helical teeth is better because of its stable drive effect, and the manufacture difficulty of straight-tooth is lower, and both respectively have advantage; Principle same as described above, system one strong groove on the inserting end of axle 8 with holes, back bevel gear 4 internal diameters are shaped on the groove that runs through, and are equipped with one flat strong 6 between strong groove and the groove; The termination system that stretches into one annular groove of axle with holes 8 is embedded a snap ring in this annular groove, snap ring and back bevel gear 4 front-end faces are axial restraint mutually.

Drilling one endoporus 81 in the middle of the rear end of axle 8 with holes, this endoporus 81 is equipped mutually with the external diameter of primary shaft 21, and endoporus 81 outer walls are shaped at least four shell holes with the cross section, and this shell hole is connected with the inwall of endoporus 81; Be shaped on the transition circle ring body that inwardly contracts between the shell hole upper and lower opening, be embedded with steel ball 9 in the shell hole, the setting-in bottom surface of this steel ball 9 exposes at endoporus 81 internal faces, and assurance steel ball 9 communicates with inwall but is unlikely to fall into endoporus 81; The setting-in end face pressing of steel ball 9 simultaneously has locking ring 10, is shaped on shoulder holes in the middle of this locking ring 10, and the external diameter of this shoulder hole front end path and axle 8 with holes is suit mutually, and its rear end be greatly directly; Locking ring 10 front-end face roof pressures have spring 11, and this spring 11 is sleeved on the external diameter of axle 8 with holes, and the use of spring has guaranteed locking ring 10 roof pressure steel ball 9 always, prevent getting loose of steel ball 9 and primary shaft 21; Axle 8 external diameters with holes are established a steel wire 16, the 10 outside slippages of restriction locking ring; The rear end head of axle 8 with holes is shaped on the groove 82 that runs through up and down according to axis.

Setting sleeve 12 front portions are blind cylindrical hole, and the rear portion is the ring body 125 that is shaped on shoulder hole 121; The external diameter of shoulder hole 121 rear end paths and axle with holes 8 is suit mutually, and the external diameter of the big footpath of shoulder hole 121 front ends and locking ring 10 is suit mutually; Ring body 125 internal surface roof pressures have spring 14, are used to reset.Be shaped on the pilot hole 122 of two symmetric arrangement on 125 of ring bodies, these pilot hole 122 heads are shaped on counterbore, and the blind cylindrical hole inwall is shaped on the groove 123 of two symmetric arrangement; Pedestal 1 rear end external diameter be shaped on two with the slippery positioning block 101 of groove 123, pedestal 1 ear end face is shaped on the screw 102 of two symmetric arrangement, be equipped with two self-locking bolts 13 in the pilot hole 122, these self-locking bolt 13 bottom screw threads spin mutually with described screw 102.

Primary shaft 21 front end external diameter systems one can with steel ball 9 annular groove 211 of buckle mutually, position is set with clip 22 in the middle of it; Clip 22 front ends are shaped on the plush copper of two symmetric arrangement, and this plush copper and described groove 82 be spiral-lock mutually; Primary shaft 21 and clip 22 pin-connects.

Advantage of the present utility model is: axle with holes adopts the steel ball rolling to be connected with primary shaft, and its socket is convenient, and withholds firmly; Positioning ring and setting sleeve adopt the concavo-convex dovetail that can unplug buckle structure mutually, unplug the choice of location that can carry out output shaft, withhold the fixedly position of output shaft, handle simple and direct; Input and output shaft is arranged in the same plane, is beneficial to the smooth transfer of moment of torsion; Adopt the bevel-gear sett transmission, the stable and long service life of transmission; The runback position locking cover mechanism of the positioning ball that can link closely is equipped with in axle with holes outer ring, and is rational in infrastructure.

Though the utility model illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.

Claims

1. multidigit gyrator, comprise the setting sleeve (12) that is fitted on rifle body (2) the front end positioning ring (23), setting sleeve (12) is sleeved on the right angle pedestal (1), it is characterized in that: described pedestal (1) inner chamber front upper part is hung with the preceding bevel gear (3) that can fix with the inserting end of output shaft (5), and back bevel gear (4) has been meshed with preceding bevel gear (3) back end tooth; Described back bevel gear (4) fixes with the inserting end of axle with holes (8); Described axle with holes (8) is shaped on through clip (22) the fixedly endoporus (81) and the groove (82) of rifle body (2) front end primary shaft (21); Be shaped at least four shell holes that steel ball (9) is installed described endoporus (81) wall week, and be set with locking ring (10) from resetting structure; Described setting sleeve radians such as (12) is shaped at least four convex bodys (124), is shaped on groove with positioning ring (23) and matches.

2. multidigit gyrator according to claim 1, it is characterized in that: described convex body (124) is a dovetail shaped, be shaped on the transition circle ring body that inwardly contracts between the described shell hole upper and lower opening, this cirque body surface support has steel ball (9), and the setting-in bottom surface of described steel ball (9) exposes at endoporus (81) internal face.

3. multidigit gyrator according to claim 1 is characterized in that: be shaped on shoulder hole in the middle of the described locking ring (10), the external diameter of this shoulder hole front end path and described with holes (8) is suit mutually; Described locking ring (10) front-end face roof pressure has the spring (11) that is fitted on the axle with holes (8); Described axle with holes (8) rear end is established one and can be limited the steel wire (16) of locking ring (10) to retrolisthesis.

4. multidigit gyrator according to claim 1, it is characterized in that: described setting sleeve (12) rear portion is the ring body (125) that the centre is shaped on shoulder hole (121), anterior for being shaped on the blind cylindrical hole of symmetric arrangement groove (123), this groove (123) is slippery with the positioning block (101) that pedestal (1) rear end external diameter is shaped on; Establish on described ring body (125) internal surface top can spring (14).

5. multidigit gyrator according to claim 4 is characterized in that: be shaped on described ring body (125) face two symmetric arrangement and in wear the pilot hole (122) of self-locking bolt (13), this pilot hole (122) head is shaped on counterbore; Described pedestal (1) ear end face is shaped on the screw (102) of two symmetric arrangement, spins mutually with self-locking bolt (13) bottom screw thread.

6. multidigit gyrator according to claim 5, it is characterized in that: described pedestal (1) inner chamber is shaped on annular groove (103), (104), (105) and (106), the close-fitting of described axle with holes (8) can with annular groove (103), (104) bearing of setting-in mutually, the close-fitting of described output shaft (5) can with annular groove (105), (106) bearing of setting-in mutually.

7. multidigit gyrator according to claim 6 is characterized in that: system one strong groove on the inserting end of described axle with holes (8), and described back bevel gear (4) internal diameter is shaped on the groove that runs through, equipped one flat strong (6) between described strong groove and the groove; The termination system that stretches into one annular groove of described axle with holes (8) is embedded a snap ring in this annular groove, described snap ring and back bevel gear (4) front-end face be axial limiting mutually.

8. multidigit gyrator according to claim 6 is characterized in that: system one strong groove on the inserting end of described output shaft (5), and described preceding bevel gear (3) internal diameter is shaped on the groove that runs through, equipped one flat strong (15) between described strong groove and the groove; The termination system that stretches into one annular groove of described output shaft (5) is embedded a snap ring in this annular groove, described snap ring and preceding bevel gear (3) lower end surface be axial limiting mutually.

9. according to claim 1 or the described multidigit gyrator of 8 arbitrary claims, it is characterized in that: described primary shaft (21) front end external diameter system one can with steel ball (9) annular groove of buckle (211) mutually; Described primary shaft (21) and clip (22) pin-connect; Described output shaft (5) top suit one clip (7), this clip (7) and described output shaft (5) pin-connect, described output shaft (5) front end external diameter is shaped on annular groove (51), and described clip (7) upper end is shaped on the plush copper (71) of two symmetric arrangement.

10. multidigit gyrator according to claim 6, it is characterized in that: described pedestal 1 bottom is concave volume (107), top is convex body (108), described concave volume (107) upper edge is shaped on five grooves, with the raised line of corresponding convex body (108) upper edge spiral-lock mutually, described concave volume (107) and convex body (108) be bolt mutually.