CN218760887U

CN218760887U - Limiting rotating structure

Info

Publication number: CN218760887U
Application number: CN202223012092.4U
Authority: CN
Inventors: 冯波
Original assignee: Dongguan Kingeasy Hardware Technology Co ltd
Current assignee: Dongguan Kingeasy Hardware Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-28
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to a spacing revolution mechanic, including the rotation piece that the components of a whole that can function independently set up, mounting and locating part, the upper and lower both ends of locating part are equipped with first stopper, second stopper respectively, rotate the piece and be equipped with the curved first spacing groove that corresponds with first stopper, and the mounting is equipped with the curved second spacing groove that the second stopper corresponds, and first stopper, second stopper are located first spacing groove, second spacing inslot respectively, rotate the piece and rotate when rotating, and first stopper, second stopper rotate along first spacing groove, second spacing groove respectively. The utility model discloses a components of a whole that can function independently set up the locating part, and the equipment shaping is small, rotates piece, mounting and is provided with first spacing groove, second spacing groove respectively, and first stopper, second stopper pivoted angle are restricted respectively to first spacing groove, second spacing groove, and at the rotation in-process, rotate the piece and can not be along axial displacement, and the harmony is good.

Description

Limiting rotating structure

Technical Field

The utility model relates to a limit structure, concretely relates to spacing revolution mechanic.

Background

Cameras, electronic cameras, detectors for detecting tunnels, and the like in life and work generally have a limiting rotation structure, and the limiting rotation structure is commonly used for limiting a rotation angle so as to protect a structure and a line cable. Current spacing revolution mechanic generally includes the rotatory spacing groove of spiral, through the rotatory spacing groove restriction pivoted angle of spiral, but current spacing revolution mechanic rotates the in-process rotation piece and can take place the skew along the axial, and inconvenient installation rotating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spacing revolution mechanic solves present spacing revolution mechanic and rotates the in-process rotating member and can take place the skew along the axial, and the problem of inconvenient installation rotating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a spacing revolution mechanic, includes the rotation piece, mounting and annular locating part that the components of a whole that can function independently set up, rotate piece and mounting swivelling joint, the locating part activity is located and is rotated between the piece and the mounting, the locating part is equipped with first stopper to the epirelief, the locating part line is equipped with the second stopper downwards, it is equipped with the curved first spacing groove that corresponds with first stopper to rotate the piece, the mounting is equipped with the curved second spacing groove that corresponds with the second stopper, and first stopper, second stopper are located first spacing groove, second spacing inslot respectively, and when rotating the piece and rotating, first stopper, second stopper rotate along first spacing groove, second spacing groove respectively.

As a preferable scheme, the sum of the central angle corresponding to the first limiting groove and the central angle corresponding to the second limiting groove is greater than or equal to 360 °.

As a preferred scheme, the rotating member is provided with an accommodating groove for accommodating the limiting member, and the first limiting groove is disposed in the accommodating groove.

As a preferred scheme, the fixed part is provided with a fixed shaft, the rotating part is provided with a shaft hole corresponding to the fixed shaft, the fixed shaft penetrates through the shaft hole, and the rotating part rotates around the fixed shaft.

As a preferred scheme, the device also comprises a wear-resistant rubber sleeve arranged in the shaft hole, and the wear-resistant rubber sleeve is sleeved on the fixed shaft.

As a preferred scheme, wear-resisting gum cover lower extreme is equipped with the packing ring, the packing ring is equipped with the groove of dodging that corresponds with first spacing groove, and the locating part presss from both sides between rotating piece and packing ring, and during the equipment, first stopper passes and dodges the groove and penetrates the second spacing inslot.

As an optimal scheme, the upper end of the wear-resistant rubber sleeve is provided with a clamping edge in a radial outward protruding mode, the inner wall of the shaft hole is provided with a clamping groove corresponding to the clamping edge, and during assembly, the wear-resistant rubber sleeve is installed in the shaft hole through the clamping edge and the clamping groove in a clamping mode.

Preferably, a slit is formed on the periphery of the wear-resistant rubber sleeve.

As a preferred scheme, the outer surface of the wear-resistant rubber sleeve is matched with the inner wall of the shaft hole.

As a preferred scheme, the fixed shaft outside is equipped with the fixed slot, rotate piece and wear-resisting gum cover and be equipped with respectively and correspond fixed through-hole one, through-hole two with the fixed slot.

The utility model has the advantages that:

the utility model has the advantages that the rotating part and the fixing part are respectively provided with the first limiting groove and the second limiting groove to respectively limit the rotating angles of the first limiting block and the second limiting block, the rotating part can not move along the axial direction in the rotating process, and the coordination is good; the sum of the central angle corresponding to the first limiting groove and the central angle corresponding to the second limiting groove is greater than or equal to 360 degrees, so that 360-degree or over 360-degree rotation limiting is realized; the limiting piece is hidden by arranging the accommodating groove, so that the size is reduced, the limiting piece is not exposed and is more attractive; through the seam that sets up, be convenient for install and change.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

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

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the rotor of the present invention;

fig. 4 is a schematic sectional view of the present invention.

The attached drawings indicate the following:

10-a rotating member; 11-a receiving groove; 12-a first limit groove;

13-shaft hole; 14-a card slot; 15-a first through hole;

20-a fixing member; 21-a second limiting groove; 22-a fixed shaft;

23-a fixed groove; 30-a limit piece; 31-a first stopper;

32-a second stopper; 40-wear-resistant rubber sleeve; 41-a gasket;

42-avoidance slots; 43-slotting; 44-edge clamping;

45-through hole two.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-4, a limiting rotation structure includes a rotation component 10, a fixing component 20, an annular limiting component 30 and a wear-resistant rubber sleeve, the rotation component 10, the fixing component 20, the limiting component 30 and the wear-resistant rubber sleeve are separately arranged, and are convenient to install, the rotation component 10 is rotatably connected with the fixing component 20, the limiting component 30 is movably arranged between the rotation component 10 and the fixing component 20, the limiting component 30 is provided with a first limiting block 31 protruding upwards, the limiting component 30 is provided with a first limiting block 32 downwards protruding downwards, the rotation component 10 is provided with an arc-shaped first limiting groove 12 corresponding to the first limiting block 31, the fixing component 20 is provided with an arc-shaped second limiting groove 21 corresponding to the first limiting block 32, first stopper 31, first stopper 32 are located first spacing groove 12, second spacing groove 21 respectively, when rotating piece 10 and rotating, first stopper 31, first stopper 32 rotate along first spacing groove 12, second spacing groove 21 respectively, first spacing groove 12, second spacing groove 21 restrict first stopper 31, first stopper 32 pivoted angle respectively, at the rotation in-process, it can not be along axial displacement to rotate piece 10, and the harmony is good, the central angle that first spacing groove 12 corresponds and the central angle sum more than or equal to 360 that second spacing groove 21 corresponds realize 360 or exceed 360 rotate spacingly.

The rotating piece 10 is provided with a containing groove 11 for placing the limiting piece 30, the first limiting groove 12 is arranged in the containing groove 11, and the limiting piece 30 is hidden by arranging the containing groove 11, so that the size is reduced, the limiting piece is not exposed, and the appearance is more attractive.

The fixing part 20 is equipped with the fixed axle 22, rotate the piece 10 and be equipped with the shaft hole 13 that corresponds with the fixed axle 22, the fixed axle 22 is worn to establish in shaft hole 13, and it rotates around fixed axle 22 to rotate the piece 10, wear-resisting gum cover sets up in shaft hole 13, wear-resisting gum cover is established on fixed axle 22, can avoid fixed axle 22 and shaft hole 13 inner wall contact and take place wearing and tearing, the radial evagination of wear-resisting gum cover 40 upper end is equipped with card limit 44, shaft hole 13 inner wall is equipped with the draw-in groove 14 that corresponds with card limit 44, and during the equipment, wear-resisting gum cover 40 is installed in shaft hole 13 through card limit 44 and draw-in groove 14 joint, wear-resisting gum cover 40 surface suits with shaft hole 13 inner wall, the fixed axle 22 outside is equipped with fixed slot 23, rotate piece 10 and wear-resisting gum cover and be equipped with fixed slot 23 correspond fixed through-hole one 15, two 45 with fixed slot 23 respectively, can set up fixed screw and pass through-hole one 15, two 45 and get into fixed slot 23, fixed screw supports and presses fixed slot 23 fixed axle 22 fixed.

Wear-resisting gum cover lower extreme is equipped with packing ring 41, packing ring 41 is equipped with dodges groove 42 corresponding with first spacing groove 12, and locating part 30 presss from both sides between rotating 10 and packing ring 41, and during the equipment, first stopper 31 passes and dodges groove 42 and penetrates second spacing groove 21, wear-resisting gum cover 40 week side is equipped with and cracks 43, is convenient for install and changes.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a spacing revolution mechanic which characterized in that: including the rotation piece, mounting and annular locating part that the components of a whole that can function independently set up, rotate piece and mounting swivelling joint, the locating part activity is located and is rotated between the piece and the mounting, the locating part is equipped with first stopper to the epirelief, the locating part line is equipped with the second stopper downwards, it is equipped with the curved first spacing groove that corresponds with first stopper to rotate the piece, the mounting is equipped with the curved second spacing groove that corresponds with the second stopper, and first stopper, second stopper are located first spacing groove, second spacing inslot respectively, and when rotating the piece and rotating, first stopper, second stopper rotate along first spacing groove, second spacing groove respectively.

2. The structure of claim 1, wherein: the sum of the central angle corresponding to the first limiting groove and the central angle corresponding to the second limiting groove is greater than or equal to 360 degrees.

3. The structure of claim 1, wherein: the rotating piece is provided with an accommodating groove for placing the limiting piece, and the first limiting groove is arranged in the accommodating groove.

4. The structure of claim 1, wherein: the fixing piece is provided with a fixing shaft, the rotating piece is provided with a shaft hole corresponding to the fixing shaft, the fixing shaft penetrates through the shaft hole, and the rotating piece rotates around the fixing shaft.

5. The limit rotation structure of claim 4, wherein: still including setting up there is wear-resisting gum cover in the shaft hole, wear-resisting gum cover is established on the fixed axle.

6. The limit rotation structure of claim 5, wherein: the lower end of the wear-resistant rubber sleeve is provided with a gasket, the gasket is provided with an avoiding groove corresponding to the first limiting groove, the limiting part is clamped between the rotating part and the gasket, and during assembly, the first limiting block penetrates through the avoiding groove and penetrates into the second limiting groove.

7. The limit rotation structure of claim 5, wherein: the wear-resisting gum cover upper end is equipped with the card limit to radial evagination, the shaft hole inner wall is equipped with the draw-in groove that corresponds with the card limit, and during the equipment, wear-resisting gum cover passes through the card limit and installs in the shaft hole with the draw-in groove joint.

8. The structure of claim 7, wherein: and a slit is formed on the peripheral side of the wear-resistant rubber sleeve.

9. The limit rotation structure of claim 5, wherein: the outer surface of the wear-resistant rubber sleeve is adapted to the inner wall of the shaft hole.

10. The limit rotation structure of claim 4, wherein: the fixed axle outside is equipped with the fixed slot, rotate piece and wear-resisting gum cover and be equipped with respectively and correspond fixed through-hole one, through-hole two with the fixed slot.