CN109788675B - Operating mechanism and chassis - Google Patents
Operating mechanism and chassis Download PDFInfo
- Publication number
- CN109788675B CN109788675B CN201711116318.6A CN201711116318A CN109788675B CN 109788675 B CN109788675 B CN 109788675B CN 201711116318 A CN201711116318 A CN 201711116318A CN 109788675 B CN109788675 B CN 109788675B
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Abstract
The present invention provides an operating mechanism comprising: the device comprises a flip cover, a cam, a fixed shaft, a top shaft and a base, wherein the base is provided with an inner cavity for accommodating the flip cover; the flip cover is fixed on the base through the fixed shaft and can be freely opened and closed; two ends of the fixed shaft are respectively positioned on two side walls of the base, and one end of the fixed shaft extends out of the base; the cam is fixed at the extending end of the fixed shaft; the top shaft is positioned at the tail part of the flip cover and extends out of the flip cover, the extending end of the top shaft and the extending end of the fixed shaft are positioned at the same side outside the base, when the flip cover is closed to the inner cavity of the base, the top shaft bears the force in the direction parallel to the flip cover, and the cam bears the force in the direction perpendicular to the contact surface of the cam. The invention can be used for fastening movable parts, in particular doors, box covers and the like, can be fastened in two directions, and is simple and convenient to operate, thereby facilitating the closing and/or opening of the movable parts.
Description
Technical Field
The invention relates to the technical field of mechanical parts, in particular to an operating mechanism and a case.
Background
At ordinary times, a case where movable parts are fastened is often encountered, for example, in the industrial field, an operation of opening or closing a cover of various equipment cabinets is often required. Taking an industrial server as an example, a box cover of the industrial server needs to be fastened by using a loosening-preventing screw at present, and when the box is opened, the loosening-preventing screw needs to be loosened and twisted first, and then the box cover needs to be removed. The operation process must be finished by means of tools, and sometimes a large force is required for the case deformation and the like, so that the operation is inconvenient.
Disclosure of Invention
In view of the above, the present invention provides an operating mechanism and a case, with which a movable member, particularly a door, a case cover, or the like, can be fastened from two directions, and which is easy to operate, thereby facilitating closing and/or opening of the movable member.
In a first aspect, the present invention provides an operating mechanism for bi-directionally tightening a movable member, the operating mechanism comprising: flip cover, cam, fixed axle, top axle and base, wherein,
the base is provided with an inner cavity for accommodating the flip cover;
the turnover cover is fixed on the base through the fixed shaft and can be freely opened and closed on the base;
two ends of the fixed shaft are respectively positioned on two side walls of the base, and one end of the fixed shaft extends out of the base;
the cam is fixed at the extending end of the fixed shaft;
the top shaft is positioned at the tail part of the flip cover and extends out of the flip cover, the extending end of the top shaft and the extending end of the fixed shaft are positioned at the same side outside the base, when the flip cover is closed to the inner cavity of the base, the top shaft bears the force in the direction parallel to the flip cover, and the cam bears the force in the direction perpendicular to the cam contact surface so as to fasten the movable part in two directions.
Optionally, the cam is provided with a protrusion, and when the protrusion contacts the cam contact surface, the cam receives a force in a direction perpendicular to the cam contact surface.
Optionally, the flip cover and the base are respectively provided with a hole corresponding to the fixed shaft, the fixed shaft is fixedly matched with the corresponding hole on the flip cover, and the fixed shaft is in clearance fit with the corresponding hole on the base.
Optionally, the base is provided with a slot for receiving the top shaft, the top shaft entering the slot when the flip is closed to the interior cavity of the base.
Optionally, the protruding end of the fixed shaft is designed in a D-shape.
Optionally, the flip cover is provided with a buckle, and the base is provided with a bayonet corresponding to the buckle.
Optionally, the flip cover is smaller than the length of the base, so that a finger hole is formed when the flip cover is positioned in the inner cavity of the base.
Optionally, the top shaft and the flip cover are integrally formed.
Optionally, the base is provided with a fixed aperture through which the operating mechanism is fixed to the movable part.
In a second aspect, the present invention provides a chassis, including a case cover and a case body, where the case cover is provided with the above-mentioned operating mechanism, and the case cover is fastened by the operating mechanism.
The operating mechanism is used for fastening the movable component in two directions, closing the flip, enabling the top shaft and the cam to rotate along with the flip, enabling the top bearing to bear force in the direction parallel to the flip when the flip is closed, providing pretightening force in the horizontal direction, enabling the cam bulge position to bear force in the direction perpendicular to the cam contact surface, and providing pretightening force in the vertical direction. Compared with the prior art, the two-way fastening can be realized, the fastening operation is simple and convenient, the time and the labor are saved, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic view of an overall structure of an operating mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the operating mechanism of FIG. 1 after being disassembled;
FIG. 3 is a schematic view of the operating mechanism of FIG. 1 after the flip cover is closed;
FIG. 4 is a schematic cross-sectional view of a case embodying the present invention with a flip open;
fig. 5 is a schematic cross-sectional view of a case to which the present invention is applied, when the folder is closed.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of the present invention provides an operating mechanism 2 for two-way fastening of a movable member, as shown in fig. 1, the operating mechanism 2 comprising: the flip cover 21, the cam 22, the fixed shaft 23, the top shaft 24 and the base 25, wherein the base 25 comprises four side walls and a bottom plate, the four side walls and the bottom plate form an inner cavity 255 for accommodating the flip cover 21, the flip cover 21 is fixed on the base 25 through the fixed shaft 23 and can be freely opened or closed on the base 25, two ends of the fixed shaft 23 are respectively positioned on two side walls of the base 25, one end of the fixed shaft extends out of the base 25, the extending end is fixedly provided with the cam 22, the top shaft 24 is positioned at the tail of the flip cover 21 and extends out of the flip cover 21, the extending end of the top shaft 24 and the extending end of the fixed shaft 23 are positioned on the same side outside the base 25, when the flip cover 21 is closed to the inner cavity 255 of the base 25, the top shaft 24 bears force in the direction parallel to the flip cover 21, and the cam 22 bears force in the direction perpendicular to the cam contact surface so as to fasten the movable parts in two directions.
Specifically, as shown in fig. 2, the base 25 is provided with holes 253 corresponding to the fixed shaft 23 and grooves 254 corresponding to the top shaft 24 on both side walls in the longitudinal direction; the flip cover 21 is also provided with a hole corresponding to the fixed shaft 23; the fixed shaft 23 passes through corresponding holes on the base 25 and the flip 21 respectively to fix the flip 21 on the base 25, the fixed shaft 23 is in clearance fit with the corresponding holes on the base 25, namely, a certain clearance is reserved between the fixed shaft 23 and the corresponding holes on the base 25, so that the flip 21 can be flexibly opened or closed, the fixed shaft 23 is in fixed fit with the corresponding holes on the flip 21, namely, the relative positions between the fixed shaft 23 and the flip 21 are fixed, and the fixed shaft 23 can synchronously rotate along with the flip 21. The cam 22 is provided with a protrusion, and when the cam 22 is rotated until the protrusion is in vertical contact with the cam contact surface, the cam 22 receives a force in a direction perpendicular to the cam contact surface.
In order to realize the fixed fit of the fixed shaft 23 and the flip cover 21, the extending end of the fixed shaft 23 is designed into a D shape, and the corresponding hole on the flip cover 21 is also in a D shape. The cam 22 is fixed to the protruding end of the fixed shaft 23, and correspondingly, the inner hole of the cam 22 is also D-shaped.
The top shaft 24 is parallel to the installation direction of the fixed shaft 23, is positioned at the tail part of the flip cover 21 and extends out of the flip cover 21, the extending end of the top shaft 24 and the extending end of the fixed shaft 23 are positioned at the same side outside the base 25, when the flip cover 21 is closed to the inner cavity 255 of the base 25, the top shaft 24 enters the corresponding groove 254 positioned on the base 25, the top shaft 24 can bear the force in the direction parallel to the flip cover 21, the fixed shaft 23 and the flip cover 21 synchronously rotate, the cam 22 rotates under the drive of the fixed shaft 23, the protruding position of the cam 22 is positioned in the vertical direction after rotation, and the cam 22 can bear the force in the direction vertical to the contact surface of the cam. Under the action of forces in two directions, the operating mechanism 2 performs two-way fastening on the movable part.
The top shaft 24 and the flip cover 21 are integrally formed during processing, thereby facilitating installation. When the flip 21 is closed to the cavity 255 of the base 25, to ensure that the state is stable, the flip 21 is provided with a catch 211 and the base 25 is provided with a corresponding bayonet 251. When the flip 21 is closed, the buckle 211 and the bayonet 251 are mutually engaged, so as to fix the flip 21 to the inner cavity 255 of the base 25. For applying the operating mechanism 2 to the movable part, the base 25 is also provided with a fixed perforation 252.
As shown in fig. 3, the length of the flip cover 21 is smaller than the length of the base 25, so that when the flip cover 21 is closed to the inner cavity 255 of the base 25, the finger hole 20 can be formed, and an operator can conveniently extend into the finger hole 20 to open the flip cover 21.
In summary, according to the operating mechanism provided by the invention, when the movable part is fastened, the flip is closed, the top shaft and the cam rotate along with the flip, when the flip is closed, the top bearing receives a force in the direction parallel to the flip to provide a horizontal pretightening force, the cam bulge position receives a force in the direction perpendicular to the cam contact surface to provide a pretightening force in the vertical direction, and the movable part is firmly fastened by the pretightening forces in the two directions. Compared with the prior art, the two-way fastening can be realized, the fastening operation is simple and convenient, the time and the labor are saved, and the maintenance is convenient.
The embodiment of the invention also provides a case, which comprises a case cover and a case body, wherein the case cover is provided with the operating mechanism, and the case cover is fastened through the operating mechanism.
The operation of the operating mechanism 2 will be described below with reference to the application of the operating mechanism to an equipment cabinet for fastening a cabinet cover.
As shown in fig. 4, the operating mechanism 2 is fixed on the surface of the case cover 1, the case cover 1 is placed on the case body 3, the operating mechanism 2 contacts with the case body 3 to generate interaction force, the case cover 1 is provided with a hook 11, the case body 3 is provided with a hanging opening 34 corresponding to the hook 11, and when the hook 11 moves into the hanging opening 34, the case cover 1 is engaged with the case body 3; when the hook 11 is separated from the hanging opening 34, the case cover 1 is separated from the case body 3, and the case cover 1 can be removed.
The box 3 is provided with a first groove 31 for accommodating the left-right movement of the cam 22 and a second groove 32 for accommodating the up-down movement of the top shaft 24, wherein the first groove 31 comprises a first wall surface 311 and a second wall surface 312, the second groove 32 comprises a third wall surface 321 and a fourth wall surface 322, initially, the hook 11 is arranged outside the hanging opening 34, the flip 21 of the operating mechanism 2 is in an open state, the protruding position of the cam 22 is positioned in the horizontal direction, the top shaft 24 extends into the second groove 32 on the box 3, when the box cover 1 needs to be fastened, the flip 21 is closed, the top shaft 24 exerts a force on the third wall surface 321 at the moment, the top shaft 24 inevitably receives a left reaction force exerted by the third wall surface 321, the whole operating mechanism 2 and the box cover 1 move together to the left in the first groove 31 for a certain distance, and after the movement, as shown in fig. 5, the hook 11 enters the hanging opening 34, and the box cover 1 is engaged with the box 3. The top shaft 24 is propped against the third wall surface 321, and the connecting line of the top shaft 24 and the fixed shaft 23 is parallel to the sliding direction of the box cover 1, so that the top shaft 24 is positioned at a dead point position of left-right displacement, the top shaft 24 ensures that the clamping state is stable under the reaction force exerted by the third wall surface 321, the cam 22 is driven to rotate by the fixed shaft 23, the protruding position of the cam 22 is positioned in the vertical direction and is contacted with the second wall surface 312, the cam 22 can bear the force perpendicular to the direction of the second wall surface 312, the box cover 1 is propped up by a small distance under the reaction force exerted by the second wall surface 312, and the cam 22 is positioned at the dead point position of up-down displacement, so that the hook 11 on the box cover 1 is ensured to be tightly attached to the hanging opening 34 on the box body 3. The dead points in the two directions are used as the pretightening force direction between the case cover 1 and the case body 3, so that the hook 11 is tightly clamped with the hanging opening 34.
Similarly, when the cover 1 needs to be released, only the flip cover 21 needs to be opened, at this time, the protruding position of the cam 22 is separated from the chassis box 3, the chassis cover hook 11 is separated from the hanging opening 34 corresponding to the hook, the top shaft 24 applies a force to the fourth wall surface 322, and accordingly, the top shaft 24 will receive a rightward reaction force applied by the fourth wall surface 322, the whole operating mechanism 2 and the cover 1 move together in the first groove 31 rightward for a certain distance, the state at the initial stage is restored after the movement, the hook 11 is located outside the hanging opening 34, the cover 1 and the box 3 are separated, and the cover 1 can be removed.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (7)
1. An operating mechanism for bi-directionally tightening a movable member, the operating mechanism comprising: flip cover, cam, fixed axle, top axle and base, wherein,
the base is provided with an inner cavity for accommodating the flip cover;
the turnover cover is fixed on the base through the fixed shaft, the turnover cover can be freely opened and closed on the base, holes corresponding to the fixed shaft are respectively formed in the turnover cover and the base, the fixed shaft is fixedly matched with the corresponding holes in the turnover cover, and the fixed shaft is in clearance fit with the corresponding holes in the base;
two ends of the fixed shaft are respectively positioned on two side walls of the base, and one end of the fixed shaft extends out of the base;
the cam is provided with a bulge, and is fixed at the extending end of the fixed shaft;
the top shaft is positioned at the tail part of the flip cover and extends out of the flip cover, the extending end of the top shaft and the extending end of the fixed shaft are positioned at the same side outside the base, and the top shaft is parallel to the mounting direction of the fixed shaft;
the base is also provided with a groove for accommodating the top shaft, when the flip cover is closed to the inner cavity of the base, the top shaft enters the groove for accommodating the top shaft and bears the force in the direction parallel to the flip cover, and meanwhile, the protrusions on the cam are contacted with the cam contact surface, so that the cam bears the force in the direction perpendicular to the cam contact surface, and the movable part is fastened in two directions.
2. The operating mechanism of claim 1, wherein the protruding end of the stationary shaft is designed in a D-shape.
3. The operating mechanism of claim 1, wherein the flip cover is provided with a catch, and the base is provided with a bayonet corresponding to the catch.
4. The operating mechanism of claim 1, wherein the flip cover is smaller than the length of the base such that the flip cover forms a finger hole when positioned within the interior cavity of the base.
5. The operating mechanism of claim 1, wherein the top shaft and flip cap are integrally formed.
6. An operating mechanism according to claim 1, wherein the base is provided with a fixed aperture through which the operating mechanism is fixed to the movable part.
7. A cabinet comprising a cover and a cabinet body, wherein the cover is provided with the operating mechanism as claimed in any one of claims 1 to 6, and the cover is fastened by the operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116318.6A CN109788675B (en) | 2017-11-13 | 2017-11-13 | Operating mechanism and chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116318.6A CN109788675B (en) | 2017-11-13 | 2017-11-13 | Operating mechanism and chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109788675A CN109788675A (en) | 2019-05-21 |
| CN109788675B true CN109788675B (en) | 2023-10-17 |
Family
ID=66493195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711116318.6A Active CN109788675B (en) | 2017-11-13 | 2017-11-13 | Operating mechanism and chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109788675B (en) |
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| CN109788675A (en) | 2019-05-21 |
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