CN202468567U - Rotation-preventing connecting structure - Google Patents
Rotation-preventing connecting structure Download PDFInfo
- Publication number
- CN202468567U CN202468567U CN2011205725201U CN201120572520U CN202468567U CN 202468567 U CN202468567 U CN 202468567U CN 2011205725201 U CN2011205725201 U CN 2011205725201U CN 201120572520 U CN201120572520 U CN 201120572520U CN 202468567 U CN202468567 U CN 202468567U
- Authority
- CN
- China
- Prior art keywords
- face
- hole
- bull stick
- hat
- raising
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to a rotating-preventing connecting structure. A connecting rod is assembled in an assembly hole of a fixed casing of the rotating-preventing connecting structure in a rotary fall-preventing manner, wherein a screwing operation cap is convexly arranged at the upper end of the connecting rod; convex keys which are arranged on the circumference in the axial line of the assembly hole along the circle center at intervals are arranged on the upper end surface of the fixed casing; a rotation-preventing rod of which the lower end can extend into a clearance between two adjacent convex keys is assembled in a sliding chute arranged in the screwing operation cap in a sliding way; a fall-preventing cap is fixedly arranged at the upper end of the rotation-preventing rod; a locking hole and an unlocking hole which are respectively and radially communicated with an annular groove are respectively arranged at two ends of the sliding chute of the screwing operation cap; a locking end surface which is in stopping fit with the fall-preventing cap after the lower end of the rotation-preventing rod extends between two convex keys is arranged on the wall of the locking hole; an unlocking end surface which is in stopping fit with the fall-preventing cap when the lower end of the rotation-preventing rod is higher than the convex keys is arranged on the wall of the unlocking hole; and a pressure spring by which the fall-preventing cap is in compressed fit with the locking end surface or the unlocking end surface is arranged between the lower end surface of the screwing operation cap and the rotation-preventing rod.
Description
Technical field
The utility model relates to and a kind ofly has the parts locking that two are rotatably assorted each other and prevent its linkage structure of function in relative rotation, belongs to a kind of mechanical structure.
Background technique
Being threaded is a kind of simple, reliable, easy to operate linkage structure, uses in many fields, and still, being threaded also has certain disadvantages, that is, when in having the environment of vibrations, using, being threaded gets loose easily.Get loose in order to prevent that screw thread from producing, many anti-loose structures occurred, like resilient pad and cotter pin, the locking reliability of check washer is not strong, and cotter pin can destroy structure, and dismounting inconvenience, simultaneously, can't be applicable to all occasions.Just occur adopting increase to beat fuse structure afterwards and realized screwing relative fixed between part and the motionless housing; To realize the function of locking thread, the adaptability of this structure is wider, as long as it is just passable that two threaded parts all are fixed on motionless structure; But this mode also has its shortcoming; Needing enough spaces plays safety fuse cutout on the one hand, and when the needs rotation separated, the operation of removing safety fuse cutout comparatively bothered on the other hand.After combining between needs two bodies, also need the occasion of separation fast, this fuse structure can't meet the demands.
The model utility content
The purpose of the utility model is to provide a kind of anti-rotation linkage structure, to realize two anti-rotations of rotating each other between the parts that assemble.
For realizing above-mentioned purpose; The utility model adopts following technological scheme: a kind of anti-rotation linkage structure; Comprise stationary housing; Rotate anticreep in the pilot hole that is provided with on the stationary housing and be equipped with connecting rod; Connecting rod convexes with external diameter away from the upper end of stationary housing and screws the operation cap greater than the connecting rod diameter; The upper-end surface of stationary housing is provided with the protruding key of laying along the circle spacing of circle centre position on the axis of pilot hole, and screwing the interior slidable fit of the chute that is provided with on the operation cap has lower end can stretch into the anti-bull stick in the gap between the adjacent two protruding keys, and the upper end of anti-bull stick is set with anti-raising one's hat; Screw on the operation cap locking hole and the unlock hole that are provided with in place, the two ends of chute with the equal radial communication of chute; The lower end that has on the hole wall of locking hole at anti-bull stick stretches into back and the locking end face that the anti-block of raising one's hat cooperates between the two protruding keys, has when the lower end of anti-bull stick is higher than protruding key the release end face that cooperates with the block of preventing raising one's hat on the hole wall of unlock hole, screws to be provided with between the lower end surface of operating cap and the anti-bull stick to make the stage clip of preventing raising one's hat and locking end face or release end face compression fit.
Described anti-outer circumferential face of raising one's hat is provided with the step end face towards anti-bull stick; Anti-raising one's hat is fixed on the anti-bull stick through its smaller diameter end; Said locking hole and unlock hole are the little shoulder hole of the big hypomere diameter of epimere diameter, and locking end face and release end face are formed by the ladder end face of locking hole and unlock hole respectively, and the locking end face is concordant on above-below direction with the release end face; The locking end face cooperates with anti-step end face of raising one's hat, and the release end face cooperates with the end face of anti-reduced diameter section of raising one's hat.
The upper end roof pressure of said stage clip is on the lower end surface of screwing the operation cap, on the axle collar that the lower end roof pressure is convexly equipped with in the underpart of anti-bull stick.
The upper end of said stage clip and screw between the lower end surface of operation cap and be provided with pad, said pad is located on the anti-bull stick.
Described anti-raising one's hat is fixed on the anti-bull stick through its lower end surface tapped hole that is provided with that extends internally, and the thread section that anti-bull stick upper end portion is provided with screws in the anti-tapped hole of raising one's hat.
Described connecting rod is assemblied in the pilot hole through the jump ring anticreep of the setting between itself and the pilot hole hole wall; The hole wall of pilot hole is provided with outer groove; The corresponding position of connecting rod is provided with inner groove, and the outer rim of jump ring is in the outer groove, and the inner edge of jump ring is in the inner groove.
Described protruding key all belongs to the radially extension of circumference along it.
Described chute is along the radially extension of said protruding key place circumference.
Rotate anticreep on the stationary housing of the utility model and be equipped with connecting rod, the operation cap of screwing of connecting rod is provided with locking hole and the unlock hole that is communicated with through chute, and slidable fit has anti-bull stick in the chute; The upper end of anti-bull stick is provided with anti-raising one's hat, and when needs are screwed connecting rod with respect to stationary housing, anti-bull stick mentioned makes that preventing raises one's hat cooperates with the release end face of unlock hole; Under the effect of stage clip, anti-bull stick can not move with respect to screwing the operation cap, at this moment; The lower end of anti-bull stick is in protruding key top, and the lower end and the protruding key of anti-bull stick do not interfere with each other, and connecting rod can freely rotate with respect to stationary housing; When needs prevent that connecting rod and stationary housing from rotating; To prevent that bull stick shifts to locking hole, and make anti-raising one's hat cooperate, under the effect of stage clip with the locking end face of locking hole; Anti-bull stick can cooperate with protruding key locking, reliably prevents the rotation between connecting rod and the stationary housing.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the utility model embodiment's a exploded view;
Fig. 4 is connecting rod and the erection drawing of anti-bull stick among Fig. 1;
Fig. 5 is the plan view of Fig. 4;
Fig. 6 is the worm's eye view of Fig. 4;
Fig. 7 is the partial enlarged drawing at A place among Fig. 4;
Fig. 8 is the structural representation of the connecting rod among Fig. 1;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the right elevation of Fig. 8;
Figure 11 is the structural representation of stationary housing among Fig. 1;
Figure 12 is the plan view of Figure 11.
Embodiment
A kind of embodiment of anti-rotation linkage structure, in Fig. 1 ~ 12, the stationary housing 5 of this linkage structure is provided with pilot hole 8; Be rotatably equipped with connecting rod 9 in the pilot hole 8, the outer circumferential face of connecting rod 9 is provided with inner groove, and the corresponding position of pilot hole 8 is provided with outer groove; Be provided with jump ring 10 in the inner groove of connecting rod 9 and the outer groove of pilot hole; The outer rim of jump ring 10 is arranged in the outer groove, and the inner edge of jump ring 10 is arranged in the inner groove, realizes that connecting rod 9 cooperates with anticreep between the stationary housing 5.
Convex with away from the upper end of stationary housing at connecting rod 9 and to screw operation cap 2, screw the diameter of the external diameter of operation cap 2 greater than connecting rod 9.Upper edge, the upper-end surface circumference of stationary housing 5 is laid with protruding key 7, and each protruding key is provided with at interval, and the circle centre position of protruding key 7 place circumference is on the axis of connecting rod 9, and each protruding key 7 all belongs to the radially extension of circumference along it.
Screwing extends internally on the upper-end surface of operating cap 2 is provided with blind hole; The existence of blind hole has alleviated the quality of screwing operation cap 2; The blind hole diapire of screwing operation cap 2 is provided with the chute 11 that radially extends of protruding key place, edge circumference, and slidable fit have anti-bull stick 4 in the chute 11, are bolted with on the upper tip of anti-bull stick 4 to prevent raising one's hat 3; Anti-raising one's hat 3 is provided with tapped hole, and the threaded end that is provided with on anti-bull stick 4 upper tips screws in anti-3 the tapped hole of raising one's hat.Anti-raising one's hat 3 is stepped cylindrical, and anti-3 the outer circumferential face of raising one's hat is provided with a step end face 14 towards anti-bull stick 4.The diapire of screwing the blind hole of operation cap 2 is provided with a locking hole 12 and a unlock hole 13; Locking hole 12 and unlock hole 13 all with chute 11 radial communication; Locking hole 12 is the little shoulder hole of the big hypomere diameter of epimere diameter with unlock hole 13; The ladder end face of locking hole 12 is the locking end face, and the step end face of unlock hole 13 is the release end face, and the locking end face is concordant on above-below direction with the release end face; The locking end face cooperates with anti-3 the step end face of raising one's hat, and the release end face cooperates with the end face of 3 the reduced diameter section of preventing raising one's hat.When the locking end face cooperates with 3 the step end face of preventing raising one's hat; The lower end of anti-bull stick 4 stretches in the gap between two adjacent protruding keys 7 and with two protruding keys and cooperates; Prevent to screw the operation cap and rotate, thereby prevent that connecting rod from rotating with respect to stationary housing with respect to stationary housing.When the release end face cooperated with the end face of anti-3 the reduced diameter section of raising one's hat, anti-bull stick 4 moved on relatively, prevents that at this moment the lower end of bull stick 4 is in the top of protruding key, both mutual noninterferences, and connecting rod 9 can be relative to freely rotating with stationary housing 5.Anti-bull stick 4 stretches out on the part of screwing the lower end surface of operating cap 2 and is arranged with stage clip 6; The upper end roof pressure of stage clip 6 is on the lower end surface of screwing operation cap 2; The lower end roof pressure of stage clip 6 the axle collar that convexes with of the lower end place of anti-bull stick 4 on; In the upper end of stage clip 6 and screw between the lower end surface of operation cap 2 and be provided with pad 15, pad 15 is located on the anti-bull stick 4.
The bearing of trend of the protruding key in the foregoing description is the radially extension of the circumference at its place, retaining along can be not yet along the radially extension of the circumference at its place.
Chute in the foregoing description is along the radially extension of the circumference at protruding key place, and is certain, also the not radially extension of the circumference at the protruding key in edge place.
Locking end face in the foregoing description is concordant with the release end face; The rise and fall of anti-bull stick 4 be through; Anti-step end face of raising one's hat and the distance between its lower end surface realize, realize that the concrete structure of this function is a lot, such as; Can be so that have height difference between locking end face and the release end face, anti-raising one's hat cooperates with the release end face with the locking end face through same end face.
Claims (8)
1. anti-rotation linkage structure; It is characterized in that: comprise stationary housing; Rotate anticreep in the pilot hole that is provided with on the stationary housing and be equipped with connecting rod; Connecting rod convexes with external diameter away from the upper end of stationary housing and screws the operation cap greater than the connecting rod diameter; The upper-end surface of stationary housing is provided with the protruding key of laying along the circle spacing of circle centre position on the axis of pilot hole; Screwing the interior slidable fit of the chute that is provided with on the operation cap has lower end can stretch into the anti-bull stick in the gap between the adjacent two protruding keys; The upper end of anti-bull stick is set with anti-raising one's hat, and screws on the operation cap locking hole and the unlock hole that are provided with in the place, two ends of chute with the equal radial communication of chute, has lower end at anti-bull stick on the hole wall of locking hole and stretches into the locking end face that back between the two protruding keys cooperates with the block of preventing raising one's hat; Have the release end face that when the lower end of anti-bull stick is higher than protruding key, cooperates on the hole wall of unlock hole, screw to be provided with between the lower end surface of operating cap and the anti-bull stick and make the stage clip of preventing raising one's hat and locking end face or release end face compression fit with the anti-block of raising one's hat.
2. anti-rotation linkage structure according to claim 1; It is characterized in that: described anti-outer circumferential face of raising one's hat is provided with the step end face towards anti-bull stick; Anti-raising one's hat is fixed on the anti-bull stick through its smaller diameter end; Said locking hole and unlock hole are the little shoulder hole of the big hypomere diameter of epimere diameter, and locking end face and release end face are formed by the ladder end face of locking hole and unlock hole respectively, and the locking end face is concordant on above-below direction with the release end face; The locking end face cooperates with anti-step end face of raising one's hat, and the release end face cooperates with the end face of anti-reduced diameter section of raising one's hat.
3. anti-rotation linkage structure according to claim 2 is characterized in that: the upper end roof pressure of said stage clip is on the lower end surface of screwing the operation cap, on the axle collar that the lower end roof pressure is convexly equipped with in the underpart of anti-bull stick.
4. anti-rotation linkage structure according to claim 3 is characterized in that: the upper end of said stage clip and screw between the lower end surface of operation cap and be provided with pad, said pad is located on the anti-bull stick.
5. according to any described anti-rotation linkage structure in the claim 1 ~ 4; It is characterized in that: described anti-raising one's hat is fixed on the anti-bull stick through its lower end surface tapped hole that is provided with that extends internally, and the thread section that anti-bull stick upper end portion is provided with screws in the anti-tapped hole of raising one's hat.
6. anti-rotation linkage structure according to claim 5; It is characterized in that: described connecting rod is assemblied in the pilot hole through the jump ring anticreep of the setting between itself and the pilot hole hole wall; The hole wall of pilot hole is provided with outer groove; The corresponding position of connecting rod is provided with inner groove, and the outer rim of jump ring is in the outer groove, and the inner edge of jump ring is in the inner groove.
7. anti-rotation linkage structure according to claim 1 is characterized in that: described protruding key all belongs to the radially extension of circumference along it.
8. anti-rotation linkage structure according to claim 6 is characterized in that: described chute is along the radially extension of said protruding key place circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205725201U CN202468567U (en) | 2011-12-31 | 2011-12-31 | Rotation-preventing connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205725201U CN202468567U (en) | 2011-12-31 | 2011-12-31 | Rotation-preventing connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468567U true CN202468567U (en) | 2012-10-03 |
Family
ID=46916726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205725201U Withdrawn - After Issue CN202468567U (en) | 2011-12-31 | 2011-12-31 | Rotation-preventing connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817886A (en) * | 2011-12-31 | 2012-12-12 | 中航光电科技股份有限公司 | Anti-rotating connection structure |
| CN107606308A (en) * | 2017-10-17 | 2018-01-19 | 上海城建市政工程（集团）有限公司 | A kind of sub-controlling unit for posture of being appeared in high precision suitable for miniature steel push pipe |
-
2011
- 2011-12-31 CN CN2011205725201U patent/CN202468567U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817886A (en) * | 2011-12-31 | 2012-12-12 | 中航光电科技股份有限公司 | Anti-rotating connection structure |
| CN107606308A (en) * | 2017-10-17 | 2018-01-19 | 上海城建市政工程（集团）有限公司 | A kind of sub-controlling unit for posture of being appeared in high precision suitable for miniature steel push pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202484026U (en) | Connecting structure with anti-rotating function | |
| CN102829041B (en) | Connecting structure with rotation prevention function | |
| CN202468567U (en) | Rotation-preventing connecting structure | |
| CN104500522B (en) | Double-nut locking mechanism | |
| CN102817886B (en) | Anti-rotating connection structure | |
| CN202767685U (en) | Lift-pull type blocking lock | |
| CN102745626B (en) | Combined bearing for forklift truck | |
| CN101864868A (en) | Mechanical code lock core | |
| CN103314169B (en) | Locking safety lock | |
| CN203330125U (en) | Roller locking device | |
| CN104631914B (en) | Lock cylinder with slipping mechanism | |
| CN102889285A (en) | Locking device | |
| CN202108873U (en) | Anti-abrasion shaft sleeve device | |
| CN104260747B (en) | The power transmission shaft of brake clamp and the attachment structure of lever and clamp housing | |
| CN205024615U (en) | Flexible stake of miniature electric jar of integral type | |
| CN202899841U (en) | Crescent moon lock | |
| CN203678429U (en) | Throat positioning mechanism in cone crusher | |
| CN202176576U (en) | Telescopic sleeve hydraulic cylinder sleeve position limit device | |
| CN202360543U (en) | Bearing locking structure | |
| CN202484343U (en) | Anti-blowout device of valve rod of cam flexure regulating valve | |
| CN202900905U (en) | Locking device | |
| CN105605077B (en) | Anti-theft rotary device | |
| CN202402439U (en) | Split hydraulic nut | |
| CN203257841U (en) | Novel shaft head nut | |
| CN204300308U (en) | A kind of Novel main reducing gear assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |