CN217440434U - Rotating structure and tool with same - Google Patents
Rotating structure and tool with same Download PDFInfo
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- CN217440434U CN217440434U CN202122205037.6U CN202122205037U CN217440434U CN 217440434 U CN217440434 U CN 217440434U CN 202122205037 U CN202122205037 U CN 202122205037U CN 217440434 U CN217440434 U CN 217440434U
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Abstract
The utility model discloses a revolution mechanic and have this revolution mechanic's instrument, wherein revolution mechanic includes: the first component and the second component are rotatably connected with the first component; the locking block is provided with a self-locking matching surface between the locking block and the first component, a circumferential positioning matching surface is arranged between the locking block and the second component, the locking block and the first component are locked through the self-locking matching surface, and when the locking block and the first component are locked through the self-locking matching surface, the second component is prevented from rotating relative to the first component through the circumferential positioning matching surface; the locking block has a trend of moving towards a direction far away from the first component under the action of the elastic force of the spring; the locking wrench is used for controlling the locking block to move relative to the first component. The utility model discloses only pull the knot through only stopping the lock and operate and can lock and unblock, conveniently lock and unblock operation, the cooperation of auto-lock fitting surface has guaranteed moreover that the locking is reliable.
Description
Technical Field
The utility model relates to a mechanical connection structure, the revolution mechanic who uses commonly on the concretely relates to instrument.
Background
Many tools involve forming a rotational structure between a first component and a second component so that the relative angle of the first and second components can be adjusted. Usually, the rotating structure also needs to be provided with a locking structure, namely after the angle adjustment is completed, the locking of the positions of the first component and the second component is realized, but the conventional locking structure at present has the defects of inconvenient locking and unlocking operation and unreliable locking.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model aims to solve the technical problem that a revolution mechanic is just provided, conveniently locks and unlocks the operation to it is reliable to guarantee to lock.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a rotating structure comprising:
the first component and the second component are rotatably connected with the first component;
the locking block is provided with a self-locking matching surface between the locking block and the first component, a circumferential positioning matching surface is arranged between the locking block and the second component, the locking block and the first component are locked through the self-locking matching surface, and when the locking block and the first component are locked through the self-locking matching surface, the second component is prevented from rotating relative to the first component through the circumferential positioning matching surface;
the locking block has a trend of moving towards a direction far away from the first component under the action of the elastic force of the spring;
the locking device comprises a locking block and a locking pull buckle, wherein the locking block is used for controlling the locking block to move relative to the first component or enabling the locking block to move towards the first component, so that the locking block is matched with a self-locking matching surface between the first component or the locking block is released from being limited, the spring pushes the locking block to move towards the direction far away from the first component, and the locking block is separated from the self-locking matching surface between the first component and the locking block.
Preferably, a concave-convex matching structure is arranged between the locking pull buckle and the locking block, the concave-convex matching structure comprises concave-convex surfaces which are arranged on the opposite sides of the locking pull buckle and the locking block at the same time, and when the locking pull buckle and the locking block are matched at two convex surfaces, the locking block is matched with a self-locking matching surface between the first component; when the locking spanner buckle is matched with the locking block at the concave surface and the convex surface, the self-locking matching surface between the locking block and the first part is separated.
Preferably, the locking spanner and/or the locking block is provided with a transition surface at the joint position of the concave surface and the convex surface.
Preferably, the self-locking matching surface is a concave-convex meshing surface correspondingly arranged on the locking block and the first component.
Preferably, the second part comprises two half shells fixed as a whole, the two half shells are correspondingly connected with the locking blocks and the locking spanner buckle, and the spring is positioned between the two locking blocks.
Preferably, a sliding hole is formed in the second component, the locking block is connected to the sliding hole in a sliding mode, and the circumferential positioning matching surface is formed between the outer wall of the locking block and the inner wall of the sliding hole.
Preferably, the locking trigger is provided with a convex column, the locking block is provided with a guide groove, the convex column is movably connected with the sliding hole, and the end part of the convex column extends into the guide groove.
Preferably, the sliding holes are evenly distributed with sliding grooves along the circumferential direction on one side close to the locking pull buckle, the circumferential wall of the convex column is provided with a convex rib, and when the locking pull buckle rotates, the convex rib moves in the sliding grooves.
Preferably, the self-locking device further comprises a bolt penetrating through the first component, the second component, the spring, the locking block and the locking wrenching buckle, the bolt head and the adjusting nut of the bolt are correspondingly positioned on the outer sides of the two locking wrenching buckles, and the tightness degree of the self-locking matching surface between the locking block and the first component is adjusted through rotation of the adjusting nut.
The utility model also provides a tool, include revolution mechanic.
The utility model discloses a technical scheme, pull the control latch segment through the end lock and remove to first part, when the latch segment compressed tightly first part, the cooperation of auto-lock fitting surface between latch segment and the first part, with the locking of first part, can't rotate between first part and the second part. The locking spanner is loosened, the locking block is bounced off under the action of the spring, the self-locking matching surface between the locking block and the first component is separated, and the first component and the second component can rotate freely.
The utility model discloses a specific technical scheme and the beneficial effect that brings will give detailed disclosure in the following embodiment in combination with the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is an exploded schematic view of the rotary structure of the present invention;
FIG. 2 is a schematic sectional view of the rotary structure of the present invention after assembly;
FIG. 3 is a schematic structural view of a first component;
FIG. 4 is a partial schematic structural view of the second member;
FIG. 5 is a first schematic structural view of a locking block;
FIG. 6 is a second schematic structural view of the locking block;
FIG. 7 is a schematic view of a combination of two locking triggers;
in the figure: the locking device comprises a first component 1, a shaft hole 11, a groove 12, a first toothed surface 13, a second component 2, a half-divided shell 21, a sliding hole 22, a sliding groove 221, a cylindrical portion 23, a locking block 3, a second toothed surface 31, a hexagonal positioning surface 32, a first concave-convex surface 33, a guide hole 34, a guide groove 35, a convex portion 36, a locking trigger 4, a convex column 41, a convex rib 411, a second concave-convex surface 42, a spanner portion 43, a stepped hole 44, a spring 5, a bolt 6, an adjusting nut 7 and a tightness adjusting button 8.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "front", "rear", "left", "right", etc., indicating directions or positional relationships described below are based only on directions or positional relationships shown in the drawings, are only for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the devices/elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example one
As shown in fig. 1 to 7, the rotation structure includes:
a first component 1 and a second component 2, wherein the second component 2 is rotatably connected with the first component 1;
the locking block 3 is provided with a self-locking matching surface between the locking block 3 and the first component 1, a circumferential positioning matching surface is arranged between the locking block 3 and the second component 2, the locking block 3 and the first component 1 are locked through the self-locking matching surface, and when the locking block 3 and the first component 1 are locked through the self-locking matching surface, the second component 2 is prevented from rotating relative to the first component 1 through the circumferential positioning matching surface;
the locking block 3 has a tendency to move away from the first component 1 under the action of the elastic force of the spring 5;
the locking device comprises a locking trigger 4, wherein the locking trigger 4 is used for controlling the locking block 3 to move relative to the first component 1, or enabling the locking block 3 to move towards the first component 1, so that the locking block 3 and the first component 1 are matched in a self-locking matching surface mode, or the locking block 3 is relieved from being limited, the spring 5 is enabled to push the locking block 3 to move towards the direction far away from the first component 1, and the locking block 3 and the first component 1 are separated from the self-locking matching surface.
Above-mentioned technical scheme, through locking trigger 4 control latch segment 3 to first part 1 removal, when latch segment 3 compresses tightly first part 1, the auto-lock fitting surface cooperation between latch segment 3 and the first part 1 locks first part 1, unable normal rotation between first part 1 and the second part 2. And the locking spanner 4 is loosened, the locking block 3 is bounced off under the action of the spring 5, the self-locking matching surface between the locking block 3 and the first component 1 is separated, and the first component 1 and the second component 2 can freely rotate. Therefore, locking and unlocking can be carried out only by operating the locking wrenching buckle, the locking and unlocking operation is convenient, and the locking reliability is ensured by matching the self-locking matching surface.
It will be appreciated that the spring 5 described above may be replaced by other elastic members that generate an elastic force.
As an implementation manner, a concave-convex matching structure is arranged between the locking spanner 4 and the locking block 3, and the concave-convex matching structure includes a concave-convex surface arranged on the opposite side of the locking spanner 4 and the locking block 3, that is, a first concave-convex surface 33 arranged on the locking block 3, and a second concave-convex surface 42 arranged on the locking spanner 4. When the locking wrench buckle 4 is matched with the locking block 3 at two convex surfaces, the locking wrench buckle 4 presses the locking block 3 to ensure that the locking block 3 is matched with the self-locking matching surface between the first component 1, and the locking wrench buckle 4 presses to ensure reliable locking without separation; when the locking trigger 4 is matched with the locking block 3 at the concave surface and the convex surface, the locking trigger 4 releases the jacking pressure on the locking block 3 and generates a movable gap between the locking block and the locking block, and the self-locking matching surface between the locking block 3 and the first component 1 is separated under the action of the spring 5.
In the present embodiment, the locking trigger 4 is operated by rotation, and therefore, the concave surface and the convex surface on the first concave-convex surface 33 and the second concave-convex surface 42 are correspondingly arranged along the rotation direction. In order to facilitate the locking and unlocking operation of the locking spanner buckle 4 by rotation, the locking spanner buckle 4 and/or the locking block 3 are provided with transition surfaces at the connecting positions of the concave surface and the convex surface, and particularly, when the concave surface and the convex surface are matched and converted to the two convex surfaces, the transition surfaces can realize the switching in a labor-saving manner. And the transition surface can be a drop surface such as an inclined surface and an arc surface.
In one embodiment, the self-locking mating surface is a concave-convex mating surface correspondingly disposed on the locking block 3 and the first component 1, such as a toothed surface, and two toothed surfaces are correspondingly disposed in a circumferential direction. That is, the first toothed surface 13 provided on the first member 1 and the second toothed surface 31 provided on the locking block 3 correspond to each other, and after the first toothed surface 13 and the second toothed surface 31 are engaged with each other, the first member 1 and the second member 2 cannot rotate unless the locking trigger 4 is operated to unlock.
Further, as shown in fig. 4 and 5, a sliding hole 22 is formed in the second component 2, the locking block 3 is slidably connected to the sliding hole 22, and the circumferential positioning matching surface is formed between the outer wall of the locking block 3 and the inner wall of the sliding hole 22. In this embodiment, the locking block 3 and the sliding hole 22 form a circumferential positioning mating surface through a polygonal contour surface correspondingly disposed, specifically, a hexagonal positioning surface 32 disposed on the locking block 3 is mated with a hexagonal positioning hole in the sliding hole 22. Alternatively, only one plane may be provided for positioning, or circumferential positioning may be achieved by matching keys with grooves, and there are many known structures that can achieve circumferential positioning, which are not listed here.
As a usual way, said second part 2 comprises two half-shells 21 fixed as one piece, and the first part 1 is provided with a rotating part rotatably mounted between the two half-shells 21. Two half casings 21 are respectively connected with locking blocks 3 and locking wrenches 4, and the spring 5 is located between the two locking blocks 3.
Further, the locking device further comprises a bolt 6 penetrating through the first component 1, the second component 2, the spring 5, the locking blocks 3 and the locking pull buckles 4, the spring 5 is installed in the middle, and the two locking blocks 3 and the two locking pull buckles 4 are correspondingly located on the left side and the right side. Wherein, the first component 1 is provided with a shaft hole 11 corresponding to the bolt 6, and the spring 5 is sleeved outside the bolt 6 and positioned in the shaft hole 11; the locking block 3 is provided with a guide hole 34 corresponding to the bolt, and the locking block 3 axially slides along the bolt 6 through the guide hole 34. The bolt 6 passes through the sliding hole 22 in the second part and is connected to the locking trigger 4.
In order to adjust the tightness degree of the self-locking matching surface, the bolt 6 is connected with an adjusting nut 7, the bolt head and the adjusting nut 7 are correspondingly positioned on the outer sides of the two locking wrenching buckles 4, and the adjusting nut 7 is connected with an tightness adjusting button 8. The tightness degree of the self-locking matching surface between the locking block 3 and the first component 1 can be adjusted by driving the adjusting nut 7 through the tightness adjusting button 8. When the rotating structure is slightly loosened after use, the first tooth-shaped surface 13 and the second tooth-shaped surface 31 are meshed too loosely, the tightness adjusting button 8 can be rotated, the bolt 6 is tightened, and the distance between the two locking blocks 3 is reduced. After tightening, the locking block 3 and the first and second toothed surfaces 13, 31 of the first part can be tightly engaged and cannot be loosened by rotation.
As shown in fig. 6 and 7, the locking trigger 4 is provided with a convex pillar 41, the locking block 3 is provided with a guide groove 35, the convex pillar 41 is movably connected with the sliding hole 22, an end of the convex pillar 41 extends into the guide groove 35 and rotates along the guide groove 35, and the first concave-convex surface 33 is arranged at a groove bottom of the guide groove 35. Further, a plurality of protrusions 36 protruding toward the outer circumferential side of the boss 41 are circumferentially spaced apart from each other in the guide groove 35.
As shown in fig. 4 and 7, sliding grooves 221 are circumferentially distributed on one side of the sliding hole 22 close to the locking trigger, a rib 411 is arranged on the circumferential wall of the protruding column 41, and when the locking trigger 4 rotates, the rib 411 moves in the sliding groove 221. Thus, the rotation angle of the locking trigger 4 can be limited, and the sliding of the locking block 3 is not affected. Preferably, the sliding groove 221 may be a circular groove.
As shown in fig. 2 and 7, the locking trigger 4 is provided with a trigger part 43, the locking trigger 4 is driven to rotate by the trigger part 43, the trigger part 43 is located above the half-shell 21, and the trigger parts 43 of the two locking triggers are close to each other.
Furthermore, the locking spanner buckle 4 is provided with a stepped hole 44 matched with the bolt 6, the stepped hole comprises a small-diameter section arranged on one side of the convex column and a large-diameter section arranged on one side of the opposite convex column, the bolt head and the adjusting nut 7 of the bolt are correspondingly arranged in the large-diameter sections of the two locking spanner buckles, and the tightness adjusting button 8 can be hidden in the large-diameter section without affecting the overall appearance.
Because the adjusting nut 7 and the tightness adjusting button 8 are positioned in the locking spanner 4, the adjustment from the outside is inconvenient. Therefore, the tightness adjusting button can be provided with a straight groove, a cross groove, a hexagonal groove and the like, and can be conveniently adjusted externally through a screwdriver, a wrench and the like.
Furthermore, the left side surface and the right side surface of the first component 1 are correspondingly provided with grooves 12 connected with the shaft holes 11, and the grooves 12 are provided with first tooth-shaped surfaces 13 around the shaft holes. The two half-shells 21 of the second component are provided with cylindrical portions 23, and the cylindrical portions 23 extend into the grooves 12, rotate in the grooves 12, and slide holes 22 are formed in the cylindrical portions 23.
Example two
The tool comprises the rotating structure in the first embodiment. It will be appreciated that the tool herein may be any of a variety of tools that may be used in a rotary configuration, such as a washing machine.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. Revolution mechanic, its characterized in that includes:
the first component and the second component are rotatably connected with the first component;
the locking block is provided with a self-locking matching surface between the locking block and the first component, a circumferential positioning matching surface is arranged between the locking block and the second component, the locking block and the first component are locked through the self-locking matching surface, and when the locking block and the first component are locked through the self-locking matching surface, the second component is prevented from rotating relative to the first component through the circumferential positioning matching surface;
the locking block has a trend of moving towards a direction far away from the first component under the action of the elastic force of the spring;
the locking device comprises a locking block and a locking pull buckle, wherein the locking block is used for controlling the locking block to move relative to the first component or enabling the locking block to move towards the first component, so that the locking block is matched with a self-locking matching surface between the first component or the locking block is released from being limited, the spring pushes the locking block to move towards the direction far away from the first component, and the locking block is separated from the self-locking matching surface between the first component and the locking block.
2. The rotating structure according to claim 1, characterized in that: a concave-convex matching structure is arranged between the lock-stopping pull buckle and the locking block, the concave-convex matching structure comprises concave-convex surfaces which are arranged on the opposite sides of the lock-stopping pull buckle and the locking block at the same time, and when the two convex surfaces between the lock-stopping pull buckle and the locking block are matched, the locking block is matched with the self-locking matching surface between the first component; when the locking spanner buckle is matched with the locking block at the concave surface and the convex surface, the self-locking matching surface between the locking block and the first part is separated.
3. The rotating structure according to claim 2, characterized in that: the locking spanner buckle and/or the locking block is provided with a transition surface at the joint position of the concave surface and the convex surface.
4. The rotating structure according to claim 1, characterized in that: the self-locking matching surface is a concave-convex occlusion surface which is correspondingly arranged on the locking block and the first component.
5. The rotating structure according to claim 1, characterized in that: the second part is including fixing two half shells as an organic whole, and two half shells all correspond and connect the latch segment and end the lock and pull the knot, and the spring is located between two latch segments.
6. The rotating structure according to claim 1, characterized in that: the second component is provided with a sliding hole, the locking block is connected to the sliding hole in a sliding mode, and the circumferential positioning matching surface is formed between the outer wall of the locking block and the inner wall of the sliding hole.
7. The rotating structure according to claim 6, wherein: the locking pull buckle is provided with a convex column, the locking block is provided with a guide groove, the convex column is movably connected with the sliding hole, and the end part of the convex column extends into the guide groove.
8. The rotary structure according to claim 7, wherein: the sliding hole is provided with a sliding groove along the circumferential direction at one side close to the locking pull buckle, the circumferential wall of the convex column is provided with a convex rib, and when the locking pull buckle rotates, the convex rib moves in the sliding groove.
9. The rotating structure according to claim 6, wherein: the bolt head and the adjusting nut of the bolt are correspondingly positioned on the outer sides of the two locking wrenches, and the tightness degree of the self-locking matching surface between the locking block and the first part is adjusted through rotation of the adjusting nut.
10. A tool, characterized in that: the tool is provided with a rotary structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205037.6U CN217440434U (en) | 2021-09-13 | 2021-09-13 | Rotating structure and tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205037.6U CN217440434U (en) | 2021-09-13 | 2021-09-13 | Rotating structure and tool with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440434U true CN217440434U (en) | 2022-09-16 |
Family
ID=83209734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122205037.6U Active CN217440434U (en) | 2021-09-13 | 2021-09-13 | Rotating structure and tool with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440434U (en) |
-
2021
- 2021-09-13 CN CN202122205037.6U patent/CN217440434U/en active Active
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