CN111022445A - Locking device - Google Patents
Locking device Download PDFInfo
- Publication number
- CN111022445A CN111022445A CN201911190192.6A CN201911190192A CN111022445A CN 111022445 A CN111022445 A CN 111022445A CN 201911190192 A CN201911190192 A CN 201911190192A CN 111022445 A CN111022445 A CN 111022445A
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- CN
- China
- Prior art keywords
- locking
- knob
- locking knob
- convex body
- groove
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
- F16B2/12—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using sliding jaws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a locking device, which comprises a locking bracket locking knob, wherein one side of the locking bracket, which is at least close to the locking knob, is divided into two parts, a rotating shaft of the locking knob is arranged on one part of the locking bracket, a first convex body is arranged on the working surface of the other part of the locking bracket, which is contacted with the locking knob, a groove body is arranged on the working surface of the locking knob, which is contacted with the locking bracket, the rotation of the locking knob drives the first convex body to move, a near shaft part and a far shaft part which are different from the central shaft of the locking knob in distance are formed on the groove body, when the locking knob is positioned at a first position, the first convex body is positioned on the near shaft part, and the locking bracket is in a locking state; when the locking knob is located at the second position, the first convex body is located on the far shaft part, and the locking support is in an unlocking state. The invention has simple structure and small occupied space.
Description
Technical Field
The invention relates to the technical field of workpiece clamping, in particular to a locking device.
Background
The clamping or holding structure commonly used at present generally comprises the following methods: the first method adopts two semi-rings, and then the two semi-rings are locked by screws, so that the purpose of clamping a workpiece is achieved; the second type adopts a hoop, and the hoop is locked by a screw; and the third method adopts the anchor ear, and the anchor ear is locked by utilizing the eccentricity of the eccentric cam and the self-locking effect to achieve the purpose of clamping the workpiece.
In any case, there are disadvantages, and specifically, with the first method, two half rings are adopted and locked by screws, although the required structural space is small, the operation is troublesome, and the method is not suitable for occasions requiring quick locking and simple operation; for the second method, the defects of the locking of the hoop by the screw are the same as those of the first method, and the second method is also not suitable for occasions needing quick locking and simple and convenient operation; for the third method, the hoop structure utilizing the eccentric amount of the eccentric cam and the self-locking effect is adopted, and the eccentric amount of the cam is determined according to the design activity of the hoop and is usually smaller, so that the handle at the operation end is longer, the force arm can be increased, the operation force can be reduced, and the operation convenience can be improved.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems of complex structure, large occupied space and complex operation in the prior art, and provides the locking device which is simple in structure, small in occupied space and simple in operation.
In order to solve the technical problem, the locking device comprises a locking bracket and a locking knob arranged on the locking bracket, wherein one side of the locking bracket, which is at least close to the locking knob, is divided into two parts, wherein the rotating shaft of the locking knob is arranged on one part of the locking bracket, a first convex body is arranged on the working surface of the other part of the locking bracket, which is contacted with the locking knob, a groove body is arranged on the working surface of the locking knob, which is contacted with the locking bracket, the rotation of the locking knob drives the first convex body to move, a near shaft part and a far shaft part which are different from the central shaft of the locking knob are formed on the groove body, when the locking knob is located at the first position, the first convex body is located at the near shaft part, and the locking bracket is in a locking state; when the locking knob is located at the second position, the first convex body is located on the far shaft part, and the locking support is in an unlocking state.
In one embodiment of the present invention, the bonding surface of the first mating body and the bonding surface of the second mating body are both curved surfaces.
In an embodiment of the invention, a first convex body is arranged on the first matching body or the second matching body, and the position of the first convex body, which is contacted with the tank body, is arc-shaped.
In one embodiment of the invention, the groove body is provided with a limiting body.
In an embodiment of the present invention, a second protrusion is disposed on the first mating body or the second mating body, a groove is disposed on a working surface of the locking knob, and the second protrusion is engaged with the groove.
In one embodiment of the invention, the recess is hemispherical.
In an embodiment of the present invention, a third protrusion is further disposed on the first mating body or the second mating body, a through hole is disposed on the locking knob, and the third protrusion is mounted in the through hole.
In an embodiment of the present invention, a sealing ring is disposed on the third convex body.
In an embodiment of the present invention, a screw is disposed in the through hole, and the screw passes through the through hole and is fixed on the third convex body.
In one embodiment of the invention, an operating body is arranged on one surface of the locking knob, which is opposite to the working surface.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the locking device comprises a locking bracket and a locking knob arranged on the locking bracket, wherein the working state of the locking bracket is controlled by the locking knob, a first convex body is arranged on the working surface of the locking bracket, which is in contact with the locking knob, a groove body is arranged on the working surface of the locking knob, which is in contact with the locking bracket, a near shaft part and a far shaft part which are different from the central shaft of the locking knob in distance are formed on the groove body, the rotation of the locking knob drives the first convex body to move, when the locking knob is positioned at a first position, the first convex body is positioned on the near shaft part, and the locking knob cannot continuously rotate along the same direction due to the blockage of the first convex body at the moment, and the locking bracket is in a locking state; when the locking knob rotates in the opposite direction and is located at the second position, the first convex body is located at the far shaft part, and the locking support is in an unlocking state, so that a user can control the working state of the locking support by operating the locking knob, and the locking support is convenient to use, simple in structure and small in occupied space.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is an exploded view of the locking device of the present invention;
FIG. 2 is a schematic view of the working surface of the locking knob of the present invention;
FIG. 3 is another schematic view of the working surface of the locking knob of the present invention;
fig. 4 is a schematic view of the assembly of the locking device of the present invention.
The specification reference numbers indicate: 10-locking bracket, 11-first matching body, 12-second matching body, 20-locking knob, 21-groove body, 21A-proximal shaft part, 21B-distal shaft part, 22-limiting body, 23-groove, 24-through hole, 25-operation body, 30-first convex body, 31-second convex body, 32-third convex body, 33-sealing ring and 34-screw.
Detailed Description
As shown in fig. 1, 2 and 4, the present embodiment provides a locking device, which includes a locking bracket 10 and a locking knob 20 installed on the locking bracket 10, wherein the locking bracket 10 and the locking knob 20 installed on the locking bracket are included, one side of the locking bracket 10, which is at least close to the locking knob 20, is divided into two parts, a rotating shaft of the locking knob 10 is disposed on one part of the locking bracket 20, a first protrusion 30 is disposed on a working surface of the other part of the locking bracket 10, which is in contact with the locking knob 20, a groove 21 is disposed on the working surface of the locking knob, which is in contact with the locking bracket, the rotation of the locking knob 20 drives the first protrusion 30 to move, a proximal shaft portion 21A and a distal shaft portion 21B, which are different from a central shaft of the locking knob 20, are formed on the groove 21, when the locking knob is located at the first position, the first convex body is located at the proximal shaft part 21A, and the locking bracket is in a locking state; when the locking knob is located at the second position, the first convex body is located at the distal shaft portion 21B, and the locking bracket is in an unlocked state.
The locking device of the embodiment comprises a locking support 10 and a locking knob 20 installed on the locking support, wherein the locking knob 20 controls the working state of the locking support 10, one side of the locking support 10, which is at least close to the locking knob 20, is divided into two parts, so as to be beneficial to controlling the locking or unlocking state of the locking support 10, wherein a rotating shaft of the locking knob 10 is arranged on one part of the locking support 20, a first convex body 30 is arranged on the working surface of the other part of the locking support 10, which is in contact with the locking knob 20, a groove body 21 is arranged on the working surface of the locking knob, which is in contact with the locking support, the rotation of the locking knob 20 drives the first convex body 30 to move, a near shaft part 21A and a far shaft part 21B which are different from the central shaft of the locking knob 20 are formed on the groove body 21, when the locking knob is located at the first position, the first convex body is located at the proximal shaft portion 21A, and due to the blocking of the first convex body 30, the locking knob 20 cannot continue to rotate in the same direction, and the locking bracket is in a locking state; when the locking knob 20 is rotated in the opposite direction and the locking knob is located at the second position, the first protrusion is located on the distal shaft portion 21B, and the locking bracket is in the unlocked state, so that the user can control the working state of the locking bracket 10 by operating the locking knob 20, and the locking bracket is convenient to use, simple in structure and small in occupied space.
In order to control the operation state of the locking bracket 10, the locking bracket 10 includes a first engaging body 11 and a second engaging body 12 opposite to the first engaging body 11, a groove 21 is provided on the operation surface of the locking knob 20 contacting the locking bracket 10, the rotation of the locking knob 20 drives the first protrusion 30 to move, a proximal shaft portion 21A closest to the central axis of the locking knob 20 and a distal shaft portion 21B farthest from the central axis of the locking knob 20 are formed on the groove 21, in this embodiment, the proximal shaft portion 21A may be located at a first position, the distal shaft portion 21B may be located at a second position, a difference between the distances from the proximal shaft portion 21A and the distal shaft portion 21B to the center of the locking knob 20 is a designed operation stroke, and when the locking knob 20 is located at the proximal shaft portion 21A, the first convex body 30 is located at the proximal shaft portion 21A, the first mating body 11 and the second mating body 12 are buckled with each other, and the locking bracket 10 is in a locking state; when the locking knob 20 is located at the distal shaft portion 21B, the first protrusion 30 is located at the distal shaft portion 21B, the first engaging body 11 and the second engaging body 12 are separated from each other, and the locking bracket 10 is in an unlocked state, and when the locking knob 20 is rotated, if the first protrusion 30 is located at the proximal shaft portion 21A, the first engaging body 11 and the second engaging body 12 are engaged with each other, and the locking bracket 10 is in a locked state; when the locking button 20 is rotated reversely again, the first protrusion 30 is located at the distal shaft portion 21B, the first engaging body 11 and the second engaging body 12 are separated from each other, and the locking bracket 10 is in an unlocked state.
The combining surface of the first matching body 11 and the combining surface of the second matching body 12 are both zigzag surfaces, so that the first matching body 11 and the second matching body 12 are ensured to be on the same horizontal plane when being mutually buckled. The first matching body 11 or the second matching body 12 is provided with a first convex body 30, and the position on the first convex body 30, which is contacted with the groove body 21, is arc-shaped, so that the limiting function is realized, and the rotating angle of the locking knob 20 can be limited. In this embodiment, the first protrusion 30 is disposed on the first engaging body 11, so that the appearance is beautiful and the operation is convenient.
The groove body 21 is provided with a limiting body 22, and the rotation angle of the locking knob 20 can be limited through the limiting body 22. Specifically, the stopper 22 extends from the center of the locking knob 20 to the edge of the groove 21, so that the rotation angle of the locking knob 20 can be controlled. The material of the limiting body 22 may be common engineering plastics, such as PC, PC + ABS, etc., or may be metal material, as required.
In this embodiment, as shown in fig. 2, the groove 23 may be a curved surface, and the curved surface has both a proximal shaft portion 21A and a distal shaft portion 21B, so as to be beneficial to being matched with the first protrusion 30, and to play a role in limiting, and to limit a rotation angle of the locking knob 20, so as to be beneficial to realizing that the working state of the locking bracket 10 is controlled by the locking knob 20. As a modification, as shown in fig. 3, the recess 23 may have two working points which are adjacent to each other and different from each other, and the locking knob 20 may be switched to an opposite state by rotating the locking knob 20 in the forward and reverse directions arbitrarily during operation.
The first matching body 11 or the second matching body 12 is further provided with a third convex body 32, the locking knob 20 is provided with a through hole 24, and the third convex body 32 is installed in the through hole 30, so that the locking knob 20 is fixed on the locking support 10. The third convex body 32 is a fixed shaft and also a rotating shaft. The third convex body 32 is provided with a sealing ring 33, so that the damping effect can be increased. A screw 34 is further arranged in the through hole 24, and the screw 34 passes through the through hole 24 and is fixed on the third convex body 32. An operation body 25 is arranged on one surface of the locking knob 20 opposite to the working surface, so that the locking knob 20 can be conveniently rotated. Specifically, the operating body 25 is petal-shaped and has a symmetrical structure, so that the appearance is attractive, and the operation is convenient. In addition, "LOCK" and "OPEN" may be indicated on the operating body 25 to indicate different operating states of the locking device.
In this embodiment, the locking bracket 10 may be made of engineering plastics, such as PC + ABS, and other plastics with good plasticity. The locking support 10 is made of plastic, and mainly considers that the hoop can be repeatedly deformed in the locking and unlocking processes of the workpiece, the plastic deformation performance of the plastic is good, the elastic modulus is small, the force required by unit deformation is small, and the operation is easy. The third convex body 32 is arranged on the second matching body 12, so that the appearance is attractive, and the operation is convenient. The sealing ring 33 is an O-ring, and the specification thereof can be selected as required or eliminated according to actual conditions. The screw 34 is a self-gasketed, self-tapping screw.
The working principle of the locking device in the embodiment is as follows:
when the locking knob 20 is located on the distal shaft portion 21B, at this time, the first protrusion 30 is located at the position of the distal shaft portion 21B, the first mating body 11 and the second mating body 12 are separated from each other, a large gap is left between the first mating body 11 and the second mating body 12, and the locking bracket 10 is in an unlocked state; when a workpiece to be held tightly is loaded into the locking bracket 10, the locking knob 20 is rotated, the rotation of the locking knob 20 drives the first protrusion 30 to move, the locking knob 20 is driven by the far shaft portion 21B to approach the near shaft portion 21A, so that the first protrusion 30 is driven by the position of the far shaft portion 21B to move to the position of the near shaft portion 21A, when the locking knob 20 rotates to the near shaft portion 21A, the first protrusion 30 is located at the position of the near shaft portion 21A, due to the blocking of the first protrusion 30, the locking knob 20 cannot continue to rotate along the same direction, the first matching body 11 and the second matching body 12 are mutually buckled, at this time, the second protrusion 31 is placed in the groove 23, and the locking bracket 10 is in a locking state. When the locking bracket 10 needs to be opened again, the first matching body 11 and the second matching body 12 can be separated from each other by reversely rotating the locking knob 20, so that the locking bracket 10 is in an unlocked state again.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A locking device, characterized by: the locking device comprises a locking support and a locking knob installed on the locking support, wherein one side, close to the locking knob, of the locking support is divided into two parts, a rotating shaft of the locking knob is arranged on one part of the locking support, a first convex body is arranged on the working surface, in contact with the locking knob, of the other part of the locking support, a groove body is arranged on the working surface, in contact with the locking support, of the locking knob, the locking knob rotates to drive the first convex body to move, a near shaft part and a far shaft part which are different from the central shaft of the locking knob in distance are formed on the groove body, and when the locking knob is located at a first position, the first convex body is located at the near shaft part, and the locking support is in a locking state; when the locking knob is located at the second position, the first convex body is located on the far shaft part, and the locking support is in an unlocking state.
2. The locking device of claim 1, wherein: the locking support comprises a first matching body and a second matching body opposite to the first matching body, and the combining surface of the first matching body and the combining surface of the second matching body are both zigzag surfaces.
3. The locking device of claim 1, wherein: the position of the first convex body, which is contacted with the groove body, is arc-shaped.
4. Locking device according to claim 1 or 3, characterized in that: the groove body is provided with a limiting body.
5. The locking device of claim 4, wherein: the locking support is provided with a second convex body, a groove is formed in the working surface of the locking knob, and the second convex body is matched with the groove.
6. The locking device of claim 5, wherein: the groove is hemispherical.
7. The locking device of claim 1, wherein: the locking support is further provided with a third convex body, the locking knob is provided with a through hole, and the third convex body is installed in the through hole.
8. The locking device of claim 7, wherein: and a sealing ring is arranged on the third convex body.
9. The locking device of claim 7, wherein: and a screw is arranged in the through hole and penetrates through the through hole to be fixed on the third convex body.
10. The locking device of claim 1, wherein: and an operation body is arranged on one surface of the locking knob, which is opposite to the working surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190192.6A CN111022445A (en) | 2019-11-28 | 2019-11-28 | Locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190192.6A CN111022445A (en) | 2019-11-28 | 2019-11-28 | Locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111022445A true CN111022445A (en) | 2020-04-17 |
Family
ID=70202997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911190192.6A Pending CN111022445A (en) | 2019-11-28 | 2019-11-28 | Locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577719A (en) * | 2020-04-21 | 2020-08-25 | 杭州七友通信科技有限公司 | Dovetail type hoop of fixing equipment for angle steel tower body |
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| JPH1037916A (en) * | 1996-07-23 | 1998-02-13 | Eikichi Nishimura | Clamping hardware |
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| CN1865072A (en) * | 2005-05-20 | 2006-11-22 | 株式会社猫眼 | Securing tool and clamp tool |
| CN102377147A (en) * | 2010-08-23 | 2012-03-14 | 旭电机株式会社 | Loose-shell-type Wire Control Part |
| CN103998843A (en) * | 2011-12-13 | 2014-08-20 | 武藏工业株式会社 | Pipe-connecting clamp |
| CN105134717A (en) * | 2015-09-14 | 2015-12-09 | 重庆博荣拓尔科技有限公司 | Novel tube harness for extension tube |
| US20150360064A1 (en) * | 2014-06-11 | 2015-12-17 | Seung Jin Ind. Co., Ltd | Fixing bracket of reducer for sprinkler |
| GB2534139A (en) * | 2015-01-12 | 2016-07-20 | Thompson Andrew | Self tensioning clamp |
| CN205401323U (en) * | 2016-03-07 | 2016-07-27 | 河南固强电力器材有限公司 | A stabilize staple bolt for on wire pole |
| US20160281964A1 (en) * | 2013-12-23 | 2016-09-29 | Chien-Ting Lin | Photography light panel reflector clamp |
| US20180259094A1 (en) * | 2017-03-09 | 2018-09-13 | Seungjin Ind. Co., Ltd. | Bracket for fixing reducer in fire sprinkler |
| CN211474597U (en) * | 2019-11-29 | 2020-09-11 | 李亚春 | Support rod adjusting mechanism |
-
2019
- 2019-11-28 CN CN201911190192.6A patent/CN111022445A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58174780A (en) * | 1982-03-22 | 1983-10-13 | オイル・ステ−ツ・インダストリ−ス・インコ−ポレ−テツド | Clamping device for tubular member |
| JPH1037916A (en) * | 1996-07-23 | 1998-02-13 | Eikichi Nishimura | Clamping hardware |
| CN2327826Y (en) * | 1998-03-13 | 1999-07-07 | 广州美大行机械有限公司 | Fastening ring |
| JP2001248302A (en) * | 1999-12-28 | 2001-09-14 | Kazue Omomo | Rod embracing fitting and scaffold forming method |
| CN2457387Y (en) * | 2000-12-12 | 2001-10-31 | 中国石油集团地球物理勘探局 | Drill machine cam type fastener |
| CN1865072A (en) * | 2005-05-20 | 2006-11-22 | 株式会社猫眼 | Securing tool and clamp tool |
| CN102377147A (en) * | 2010-08-23 | 2012-03-14 | 旭电机株式会社 | Loose-shell-type Wire Control Part |
| CN103998843A (en) * | 2011-12-13 | 2014-08-20 | 武藏工业株式会社 | Pipe-connecting clamp |
| US20160281964A1 (en) * | 2013-12-23 | 2016-09-29 | Chien-Ting Lin | Photography light panel reflector clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577719A (en) * | 2020-04-21 | 2020-08-25 | 杭州七友通信科技有限公司 | Dovetail type hoop of fixing equipment for angle steel tower body |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |