Rotary positioning mechanism
The combined structure of the annular track and the elastic pin solves the problem of the inability to accurately position the rotating connector, achieves stable positioning and synchronous movement of the rotating parts at a specific angle, and improves the accuracy and stability of the rotation adjustment.
Patent Information
- Application Number
- CN202520058289.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing rotating connectors cannot be accurately positioned at a specific angle, resulting in unstable rotation of the rotating parts and affecting ease of use.
A combined structure of an annular track and elastic pins is adopted, and positioning and synchronous movement are achieved by alternating the crest and trough sections of the elastic pins and the annular track, thereby limiting the rotation angle.
The accurate positioning of the rotating parts at a specific angle is achieved, self-rotation is avoided, and the accuracy and stability of the rotation adjustment are improved.
Smart Images
Figure CN223459713U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of rotary connecting piece, especially the technical field of rotary positioning mechanism. BACKGROUND
[0002] Rotary connection is a common connection method, which is used in various industries. Rotary connection is a special connection method that allows two components to rotate while connected. The characteristics of this connection method include flexibility, reliability and durability. Through rotary connection, flexible rotation between devices or components can be achieved while maintaining the stability of the connection and the quality of signal transmission. The problem of existing rotary connecting pieces is that the rotation angle is free, and it cannot stay at each specific angle, which causes poor stability and inconvenience in use. SUMMARY
[0003] The utility model discloses a rotary positioning mechanism, which can position the rotating components at each specific angle, limit the relative angle, and avoid self-rotation, so as to solve the problems in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model provides a rotary positioning mechanism, which comprises a rotary connecting piece, the rotary connecting piece comprises an annular track and a plurality of elastic pins matched with the annular track, the annular track and the elastic pins are respectively arranged on two components connected by the rotary connecting piece, the elastic pins are arranged towards the annular track and are matched with the annular track, the annular track is composed of a plurality of wave crest segments protruding towards the elastic pins and a plurality of wave trough segments recessed away from the elastic pins, and the wave crest segments and the wave trough segments are arranged alternately.
[0005] As a preferred, the rotary connecting piece further comprises a rotating shaft, the annular track is coaxially arranged with the rotating shaft, and the elastic pins are arranged around the rotating shaft.
[0006] As a preferred, the annular track is sleeved on the rotating shaft, one side of the rotating shaft is provided with a key groove, and the annular track is provided with a clamping block engaged with the key groove.
[0007] As a preferred, the elastic pins are provided with ball heads at the ends for matching with the annular track, and the ball heads are matched with the wave trough segments.
[0008] As a preferred, the inner ring of the annular track is provided with a first annular stop edge, the outer ring is provided with a second annular stop edge, and the wave crest segments and the wave trough segments are arranged between the first annular stop edge and the second annular stop edge.
[0009] Preferably, the rotary connection further comprises a synchronizing connection ring, and each of the elastic pins is connected together through the connection ring, so that each elastic pin can move synchronously.
[0010] The utility model discloses a kind of rotary positioning mechanisms, and the beneficial effects of the utility model are as follows: the utility model rotary positioning mechanism is constituted by elastic pin and annular track, when being matched with each trough section by elastic pin, can play the role of positioning, make rotary component stay at each characteristic angle, limit relative angle, avoid its rotation, positioning is more accurate, also facilitate rotation adjustment.
[0011] The features and advantages of the utility model will be described in detail with examples combined with the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic diagram of the utility model rotary positioning mechanism.
[0013] Figure 2 It is a three-dimensional structure schematic diagram of the annular track of the utility model rotary positioning mechanism.
[0014] Figure 3 It is a ball head and key groove structure schematic diagram of the utility model rotary positioning mechanism.
[0015] Figure 4 It is a structure schematic diagram of support base, first connecting rod and equipment fixing part in example.
[0016] Figure 5 It is Figure 4 a top view structure schematic diagram.
[0017] Figure 6 It is Figure 5 a structure schematic diagram of A-A section in example.
[0018] Figure 7 It is Figure 5 a structure schematic diagram of B-B section in example.
[0019] Figure 8 It is a three-dimensional structure schematic diagram of first connecting rod.
[0020] Among them:
[0021] 1-support base;2-first connecting rod;3-equipment fixing part;4-annular track;5-elastic pin;6-rotating shaft;7-pin seat;11-seat body;12-vertical rod;13-cross bar;21-narrow sheet connecting sheet;22-connecting disc;31-main rod body;32-fixed clamp;33-movable clamp;41-peak section;42-trough section;51-ball head;61-key groove;211-ring rail installation groove;311-connection groove;312-slotted groove;313-baffle;331-sliding block;332-clamp block driving spring DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model will be further described in detail below by means of the drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.
[0023] In the description of the utility model, it should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or indirectly on another element. When an element is referred to as "connected to" another element, it can be directly connected to another element or indirectly connected to another element.
[0024] In the description of the utility model, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified. The meaning of "several" is one or more, unless otherwise explicitly specified.
[0025] In the description of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Example one
[0026] Reference Figure 1 , Figure 2 , Figure 3 ,Figure 4 、 Figure 5 、 Figure 6 and Figure 7 The application discloses a rotary positioning mechanism, which comprises a support base 1 used for being placed on a workbench, a first connecting rod 2 horizontally arranged on the support base 1, a device fixing part 3 arranged at the end of the first connecting rod 2, and a first rotary connecting part and a second rotary connecting part used for rotatably connecting the first connecting rod 2 and the support base 1 and the first connecting rod 2 and the device fixing part 3 respectively. The first rotary connecting part and the second rotary connecting part each comprise a rotating shaft 6, an annular track 4 and a plurality of elastic pins 5 matched with the annular track 4. The rotating shaft 6 is used for rotatably connecting two components. The annular track 4 is coaxially arranged on the rotating shaft 6. The elastic pins 5 are arranged towards the annular track 4 and are matched with the annular track 4. The annular track 4 is composed of a plurality of wave crest segments 41 arranged towards the elastic pins 5 and a plurality of wave trough segments 42 arranged away from the elastic pins 5. The wave crest segments 41 and the wave trough segments 42 are alternately arranged. The elastic pins 5 and the annular track 4 of the first rotary connecting part are arranged on the support base 1 and the first connecting rod 2 respectively. The elastic pins 5 and the annular track 4 of the second rotary connecting part are arranged on the end of the first connecting rod 2 and the device fixing part 3 respectively. The rotating shaft of the first rotary connecting part is arranged in opposite perpendicularity with the rotating shaft of the second rotary connecting part. In the embodiment, the first connecting rod 2 is provided with annular tracks 4 at both ends. One annular track 4 is used for being matched with the elastic pin 5 on the support base 1, and the other annular track 4 is used for being matched with the elastic pin 5 on the device fixing part 3. In the embodiment, the components are connected through the rotary connecting parts. The rotary connecting parts are matched with the elastic pins 5 and the annular tracks 4. When the elastic pins 5 are matched with the wave trough segments 42, the positioning effect can be achieved, the relative angle can be limited, and the self-rotation can be avoided. The positioning is more accurate, the rotary adjustment is facilitated, the device fixing part 3 and the clock posture and direction fixed thereon can be adjusted in multiple directions, various operation requirements can be met, the device fixing part 3 and the clock posture and direction fixed thereon can be adjusted conveniently, the maintenance is facilitated, and various maintenance requirements can be met.
[0027] Referring to Figure 1 、 Figure 3 , the end of the elastic pin 5 is provided with a ball head 51 used for being matched with the annular track 4. The ball head 51 is matched with the wave trough segment 42. The ball head 51 can reduce the contact area with the annular track 4, the elastic pin 5 can slide more smoothly in the annular track 4, the ball head 51 can be matched with the center position of the wave trough segment 42, the two sides of the ball head 51 can be matched with the two sides of the wave trough segment 42, the positioning is more stable, and the shaking is avoided.
[0028] Referring to Figure 2 ,Figure 3 The shaft 6 is provided with a key groove 61 on one side, and the annular track 4 is provided with a clamping block 43 engaged with the key groove 61. The cooperation of the clamping block 43 on the annular track 4 and the key groove 61 enables the annular track 4 and the shaft 6 to rotate synchronously, improves the synchronism of the two, and the connection is more stable. Embodiment two
[0029] Referring to Figure 2 On the basis of embodiment one, the inner ring of the annular track 4 is provided with a first annular stop 44, and the outer ring is provided with a second annular stop 45, and the wave crest section 41 and the wave trough section 42 are arranged between the first annular stop 44 and the second annular stop 45. The first annular stop 44 and the second annular stop 45 can cooperate with the elastic pin 5 to play a limiting role, avoiding the elastic pin 5 from being separated from the track.
[0030] Referring to Figure 1 Each of the elastic pins 5 is connected together through a connecting ring 52, so that each elastic pin 5 can move synchronously. Embodiment three
[0031] Referring to Figure 4 , Figure 5 , Figure 7 The equipment fixing part 3 includes a main rod body 31 and a clamping part arranged on the main rod body 31. The clamping part includes a fixed clamp 32 arranged at one end of the main rod body 31 and a movable clamp 33 arranged opposite to the fixed clamp 32, and a space for clamping the clock is arranged between the fixed clamp 32 and the movable clamp 33. The clock is fixed through the cooperation of the fixed clamp 32 and the movable clamp 33. The support of the embodiment has
[0032] Referring to Figure 5 , Figure 6 , Figure 7 The main rod body 31 is provided with a sliding groove 312 opened along the axial direction thereof, the movable clamp 33 is provided with a sliding block 331 matched with the sliding groove 312, one side of the sliding groove 312 is provided with an opening groove for the sliding block 331 to enter the sliding groove 312, and the bottom of the sliding groove 312 is provided with a baffle 313 arranged opposite to the opening groove. In the embodiment, the baffle 313 arranged opposite to the opening groove at the bottom of the sliding groove 312 can improve the appearance, avoid the exposure of internal parts affecting the appearance, and avoid the entry of dust and debris from the outside through the opening groove to affect the operation of other parts.
[0033] Referring to Figure 5 , Figure 6 , Figure 7The slider 331 is symmetrically provided with a clamping block driving spring 332 axially arranged along the sliding groove 312, and the clamping block driving spring 332 is used to drive the movable clamping block 33 to move towards the fixed clamping block 32. The movable clamping block 33 is driven by the clamping block driving spring 332 to keep moving towards the fixed clamping block 32 for clamping, which is more convenient and automatic, and facilitates the taking and placing of the clock. The symmetrical clamping block driving springs 332 arranged on both sides of the slider 331 make the slider 331 bear force uniformly on both sides, and the sliding is smoother and less likely to deviate.
[0034] Referring to Figure 4 The support base 1 includes a seat body 11, a vertical rod 12 vertically arranged on the seat body 11, and a horizontal rod 13 horizontally arranged on the vertical rod 12, and the first connecting rod 2 is connected with the end of the horizontal rod 13. The seat body 11 has a certain weight and volume, so that it can be stably placed on a plane, and the vertical rod 12 and the horizontal rod 13 cooperate to support the first connecting rod 2.
[0035] Referring to Figure 4 The first connecting rod 2 is coaxially arranged with the horizontal rod 13 and can rotate around the axis direction of the first connecting rod 2, and the equipment fixing part 3 is arranged at the end of the first connecting rod 2 and can rotate around the axis direction of the main rod body 31.
[0036] Referring to Figure 4 , Figure 8 The first connecting rod 2 includes a narrow sheet connecting sheet 21 and a connecting disc 22, the connecting disc 22 is rotatably connected with the support base 1 through a rotating connecting part, the connecting disc 22 is provided with the narrow sheet connecting sheet 21 for cooperation with the equipment fixing part 3, the main rod body 31 is provided with a connecting groove 311 adapted to the narrow sheet connecting sheet 21 on the side edge, the end of the narrow sheet connecting sheet 21 is connected in the connecting groove 311, the connecting groove 311 is radially arranged on the main rod body 31, and the end of the narrow sheet connecting sheet 21 is provided with the rotating shaft 6 between the first connecting rod 2 and the equipment fixing part 3. The narrow sheet connecting sheet 21 is arranged to cooperate with the connecting groove 311 on the main rod body 31, so as to realize the rotating connection of the two, the connection is more convenient and stable, the weight of the first connecting rod 2 is reduced, the connecting groove 311 is arranged on the side wall of the main rod body 31, so that the narrow sheet connecting sheet 21 can be rotatably connected with the middle position of the main rod body 31, the force is more uniform, the weight of the two ends of the main rod body 31 is more balanced, and the stability is improved.
[0037] Referring to Figure 8 The end of the connecting disc 22 and the end of the narrow sheet connecting sheet 21 are both provided with a ring rail mounting groove 211 for cooperation with the annular track 4. The connecting disc 22 is conveniently fixed.
[0038] Referring to Figure 6The connecting disc 22 and the cross bar 13 are provided with connecting holes for cooperating with the rotating shaft 6, one end of the rotating shaft 6 is fixed in the connecting hole of the connecting disc 22 by a screw, and the other end is penetrated through the connecting hole in the cross bar 13 and fixed by a snap spring.
[0039] Referring to Figure 7 The connecting disc 22 and the cross bar 13 are provided with connecting holes for cooperating with the rotating shaft 6, one end of the rotating shaft 6 is fixed in the connecting hole of the connecting disc 22 by a screw, and the other end is penetrated through the connecting hole in the cross bar 13 and fixed by a snap spring.
[0040] The working process of the application is as follows:
[0041] In the working process of the rotating positioning mechanism, the watch needing maintenance is placed between the fixed clamp 32 and the movable clamp 33, the watch is clamped and fixed by the fixed clamp 32 and the movable clamp 33, the posture and orientation of the equipment fixing part 3 and the watch fixed on the equipment fixing part 3 are adjusted by controlling the first rotating connecting part and the second rotating connecting part to rotate in different directions, so as to meet various maintenance requirements. When the parts at both ends of the rotating connecting part relatively rotate, the elastic pin 5 slides along the surface of the annular track 4. Since the wave crest section 41 protrudes towards the elastic pin 5, the elastic pin 5 is compressed when it cooperates with the wave crest section 41. The elastic force of the elastic pin 5 can drive the annular track 4 to rotate, so that the elastic pin 5 can fall into the wave trough section 42. The cooperation between the elastic pin 5 and the annular track 4 plays a positioning role, limits the relative angle, and avoids self-rotation.
[0042] The standard parts used in the application file can be purchased from the market, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art. The internal components of the electric sliding rail sliding seat, the cylinder, the welding machine, the electric telescopic rod and the controller all adopt conventional models in the prior art, and the internal structure belongs to the prior art structure. Workers can complete normal operation according to the existing technical manual. In addition, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0043] It should be noted that although the above embodiments have been described in this paper, the patent protection scope of the application is not limited thereby. Therefore, based on the innovative idea of the application, the changes and modifications of the embodiments described in this paper, or the equivalent structure or equivalent process transformation made by using the content of the application specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, which are all included in the protection scope of the patent of the application.
Claims
1. A rotational positioning mechanism comprising a rotational link, characterized by: The rotating connecting piece comprises an annular track (4) and a plurality of elastic pins (5) matched with the annular track (4), the annular track (4) and the elastic pins (5) are respectively arranged on two components connected by the rotating connecting piece, the elastic pins (5) are arranged towards the annular track (4) and matched with the annular track (4), the annular track (4) is composed of a plurality of wave crest segments (41) arranged protruding towards the elastic pins (5) and a plurality of wave trough segments (42) arranged recessed away from the elastic pins (5), and the wave crest segments (41) and the wave trough segments (42) are alternately arranged.
2. A rotational positioning mechanism as claimed in claim 1, characterized in that: The rotating connecting piece further comprises a rotating shaft (6), the annular track (4) is coaxially arranged with the rotating shaft (6), and the elastic pins (5) are arranged around the rotating shaft (6).
3. A rotational positioning mechanism as claimed in claim 2, characterized in that: The annular track (4) is sleeved on the rotating shaft (6), one side of the rotating shaft (6) is provided with a key groove (61), and the annular track (4) is provided with a clamping block (43) engaged with the key groove (61).
4. A rotational positioning mechanism as claimed in claim 1, characterized in that: The elastic pin (5) is provided at the end with a ball head (51) matched with the annular track (4), and the ball head (51) is matched with the wave trough segment (42).
5. A rotational positioning mechanism as claimed in claim 1, characterized in that: The inner ring of the annular track (4) is provided with a first annular stop edge (44), and the outer ring is provided with a second annular stop edge (45), and the wave crest segment (41) and the wave trough segment (42) are arranged between the first annular stop edge (44) and the second annular stop edge (45).
6. A rotational positioning mechanism as claimed in claim 1, characterized in that: The rotating connecting piece further comprises a synchronous connecting ring (52), and each elastic pin (5) is connected together through the connecting ring (52), so that each elastic pin (5) can move synchronously.