CN109542181B - Locking mechanism, lockable case and external display card box - Google Patents
Locking mechanism, lockable case and external display card box Download PDFInfo
- Publication number
- CN109542181B CN109542181B CN201811418626.9A CN201811418626A CN109542181B CN 109542181 B CN109542181 B CN 109542181B CN 201811418626 A CN201811418626 A CN 201811418626A CN 109542181 B CN109542181 B CN 109542181B
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- locking
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- handle
- locking piece
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- 230000007246 mechanism Effects 0.000 title claims abstract description 76
- 238000009434 installation Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/185—Mounting of expansion boards
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
Abstract
The embodiment of the invention provides a locking mechanism, a lockable case and an external display card box, wherein the locking mechanism comprises: a shaft lever; the locking piece is sleeved on the shaft rod and can rotate relative to the shaft rod, and the locking piece is provided with a locking position and an unlocking position; a link assembly disposed on the shaft; the handle is connected with the connecting rod assembly, and can drive the shaft rod and the locking piece to move along the axial direction perpendicular to the shaft rod through the connecting rod assembly, so that the locking piece can be switched between the locking position and the unlocking position. The locking mechanism of the embodiment of the invention skillfully converts the rotation of the handle into the linear movement of the locking piece through the cooperation of the handle, the connecting rod assembly and the locking piece so as to realize the switching between the locking position and the unlocking position of the locking piece, and can realize quick unlocking or locking when being applied to a box body or a box body.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a locking mechanism and an external display card box with the locking mechanism.
Background
In order to increase the display function of the electronic device, an external display card box is configured for the electronic device. The existing box body of the external display card box is generally fixed through screws, so that the external display card box is inconvenient to replace when the display card is required to be replaced, and the box body can be opened only by screwing down one screw. And after the box body is opened, components and display cards in the box body are not convenient to take out from the box body due to the fact that the handle and other parts convenient to hold are not arranged, so that the problem of unchanged replacement still exists.
Disclosure of Invention
In view of the foregoing problems of the prior art, an aspect of an embodiment of the present invention is to provide a locking mechanism capable of achieving quick locking and unlocking.
In order to achieve the above object, the present invention provides a locking mechanism comprising:
A shaft lever;
the locking piece is sleeved on the shaft rod and can rotate relative to the shaft rod, and the locking piece is provided with a locking position and an unlocking position;
a link assembly disposed on the shaft;
The handle is connected with the connecting rod assembly, and can drive the shaft rod and the locking piece to move along the axial direction perpendicular to the shaft rod through the connecting rod assembly, so that the locking piece can be switched between the locking position and the unlocking position.
In some embodiments, the linkage assembly includes linkages disposed opposite mirror images of the shaft, one of the linkages having one end secured to the first end of the shaft and the other end secured to the first end of the grip; one end of the other connecting rod mechanism is fixed with the second end of the shaft rod, and the other end of the other connecting rod mechanism is fixed with the second end of the grip;
The handle can drive the two link mechanisms to synchronously rotate at the same time, so that the two link mechanisms drive the shaft rod and the locking piece to move along the axial direction perpendicular to the shaft rod.
In some embodiments, the linkage mechanism comprises a first arm and a second arm hinged to each other, the free ends of the two first arms of the two linkage mechanisms are respectively fixed with two ends of the shaft lever, and the free ends of the two second arms are respectively fixed with two ends of the grip.
In some embodiments, the grip is U-shaped; the free ends of the two second arms are respectively provided with opposite connectors, and the connectors are respectively connected with the outer sides of the two ends of the U-shaped opening of the handle.
In some embodiments, the first arm and the second arm are respectively provided with matched concave-convex positioning structures; when the handle drives the connecting rod mechanism to fold the first arm and the second arm, the locking piece is positioned at the locking position; when the handle drives the connecting rod mechanism to enable the first arm and the second arm to be unfolded, the locking piece is in an unlocking position, wherein when the locking piece is in the locking position, the first arm and the second arm are at least partially overlapped so that the positioning structures on the first arm and the second arm are in concave-convex fit for positioning.
In some embodiments, the locking element comprises a body and a locking tongue arranged on the body, a through hole for the shaft rod to pass through is arranged in the body, and a sliding rail perpendicular to the axial direction of the through hole is arranged on the outer surface of the body.
In some embodiments, the two ends of the shaft rod are respectively provided with a mounting hole along the axial direction of the shaft rod, and the end surfaces of the two ends of the shaft rod are respectively provided with a positioning protrusion along the axial direction of the shaft rod outwards in a protruding way; the first arm is provided with a through hole and a positioning groove communicated with the through hole; the positioning protrusions at two ends of the shaft lever are respectively positioned in the positioning grooves of the two first arms, and the mounting holes respectively correspond to the through holes of the first arms and are penetrated by fixing screws.
It is another object of an embodiment of the present invention to provide a lockable case, which includes a case body and the locking mechanism described above, where the locking mechanism is disposed on the case body and is used for locking or unlocking the case body.
In some embodiments, the box body is provided with a mounting carrier for mounting the locking mechanism, and is provided with a locking groove corresponding to the mounting carrier; the installation carrier is internally provided with a sliding cavity, the shaft lever is arranged in the sliding cavity and can move in the sliding cavity along the axial direction perpendicular to the shaft lever under the drive of the handle, so that the locking piece can enter and exit the installation carrier to be separated from the locking groove to be unlocked or combined to be locked.
In some embodiments, the handle is U-shaped, and two ends of the handle are respectively hinged with two opposite sides of the box body.
In some embodiments, an outward facing side of the mounting carrier is provided with a recess for the grip to rest therein; when the handle is positioned in the groove, the locking piece is positioned at a locking position locked with the locking groove; when the handle rotates away from the groove to be parallel to the moving direction of the bearing frame, the locking piece is completely separated from the locking groove to be unlocked.
It is still another object of an embodiment of the present invention to provide an external display card case, which includes:
in the lockable case, one side of the case body of the lockable case is open;
the bearing frame is arranged in the box body and can move relative to the box body so as to move out of the box body from the opening side of the box body, and the mounting carrier is arranged on the bearing frame and corresponds to the opening side of the box body;
and the display card is detachably arranged on the bearing frame.
In some embodiments, a locking groove is provided on an inner top wall of the open side of the case to engage with the locking piece.
Compared with the prior art, the locking mechanism provided by the embodiment of the invention has a simple structure and ingenious design, and can be applied to a box body or a box body for realizing quick unlocking or locking.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
An overview of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In the drawings, which are not necessarily drawn to scale, like numerals may describe similar components in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar components. The accompanying drawings illustrate various embodiments by way of example in general and not by way of limitation, and together with the description and claims serve to explain the inventive embodiments. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive of the present apparatus or method.
Fig. 1 is a schematic perspective view of a locking mechanism according to an embodiment of the invention.
Fig. 2 is an exploded view of a locking mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a link mechanism in the embodiment of the invention.
FIG. 4 is a schematic view of the locking mechanism of the present invention with the grip removed.
FIG. 5 is a schematic view of a grip according to an embodiment of the invention.
Fig. 6 is a schematic view showing a combination of a shaft and a locking element according to an embodiment of the present invention.
Fig. 7 is a state diagram of a locking element in a locking mechanism according to an embodiment of the present invention in a locked position.
Fig. 8 is a state diagram of a locking element in a locking mechanism according to an embodiment of the present invention in an unlocked position.
Fig. 9 is a schematic view of a locking mechanism according to an embodiment of the present invention, in which the locking member is in the locked position, combined with a view of the mounting carrier.
Fig. 10 is a schematic view of the structure of fig. 9 at another view angle.
Fig. 11 is a schematic structural diagram of an external display card case according to an embodiment of the invention.
Fig. 12 is a schematic structural view of a carrier of an external display card box pulled out of a box body according to an embodiment of the present invention.
Reference numerals:
1-a shaft lever; 2-locking elements; 3-a grip; 4-a first arm; 5-a second arm; 6-a connector; 7-a round bar portion; 8-a plug-in part; 9-slots; 10-mounting holes; 11-positioning a protrusion; 12-through holes; 13-positioning grooves; 14-fixing screws; 15-body; 16-a lock tongue; 17-slide rails; 18, a box body; 19-grooves; 20-a carrier; 21-mounting a carrier; 22-slide way.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In order to keep the following description of the embodiments of the present invention clear and concise, the detailed description of known functions and known components thereof have been omitted.
As shown in fig. 1-8, embodiments of the present invention provide a locking mechanism that can be applied to any push-pull, pull-type case 18, case, or the like, that unlocks when pulled and locks when pushed in.
With continued reference to fig. 1-8, a locking mechanism of an embodiment of the present invention includes a shaft 1, a locking element 2, a linkage assembly, and a grip 3; the locking piece 2 is sleeved on the shaft lever 1 and can rotate relative to the shaft lever 1 but cannot move along the shaft lever 1, the locking piece 2 can move along with the shaft lever 1, and the locking piece 2 has locking position and unlocking position when moving along with the shaft lever 1; the connecting rod assembly is arranged on the shaft lever 1; the handle 3 is connected with the connecting rod assembly, and the handle 3 can drive the shaft rod 1 and the locking piece 2 to move along the axial direction perpendicular to the shaft rod 1 through the connecting rod assembly, so that the locking piece 2 is switched between a locking position and an unlocking position.
According to the locking mechanism disclosed by the embodiment of the invention, through the cooperation of the handle 3, the connecting rod assembly and the locking piece 2, the rotation of the handle 3 is skillfully converted into the linear movement of the locking piece 2, so that the locking piece 2 is switched between the locking position and the unlocking position, and the locking mechanism can be quickly unlocked or locked when being applied to the box body or the box body 18.
The specific structure of the link assembly and the connection manner with the shaft 1 and the grip 3 are not particularly limited, as long as the conversion of the rotation of the grip 3 into the linear movement of the locking element 2 can be achieved, and those skilled in the art can select according to actual needs. In some embodiments of the present invention, as shown in fig. 1 to 4, the link assembly includes link mechanisms disposed opposite mirror images on both sides of the shaft 1, one end of one link mechanism being fixed to the first end of the shaft 1 and the other end being fixed to the first end of the grip 3; one end of the other link mechanism is fixed with the second end of the shaft lever 1, and the other end is fixed with the second end of the grip 3; the handle 3 can drive two link mechanisms to synchronously rotate at the same time, and the two link mechanisms drive the shaft lever 1 and the locking piece 2 to move along the axial direction perpendicular to the shaft lever 1. That is, in this embodiment, two link mechanisms are provided, and two ends of the grip 3 are respectively connected with two ends of the shaft 1 through one link mechanism, so that the grip 3 can drive the shaft 1 and the locking element 2 to move smoothly through the two link mechanisms.
Further, in some embodiments, as shown in fig. 3, the linkage mechanism includes a first arm 4 and a second arm 5 hinged to each other, and free ends of the two first arms 4 of the two linkage mechanisms are respectively fixed to two ends of the shaft 1, and free ends of the two second arms 5 are respectively fixed to two ends of the grip 3. So arranged, when the handle 3 moves, the two second arms 5 can be simultaneously driven to rotate relative to the first arms 4, so that the shaft lever 1 and the locking piece are pushed to move by the first arms 4.
As shown in fig. 5, the grip 3 shown in this embodiment is U-shaped; the free ends of the two second arms 5 are respectively provided with connectors 6 in opposite directions, and the connectors 6 are respectively connected with the outer sides of the two ends of the U-shaped opening of the grip 3, see fig. 3. Specifically, as shown in fig. 3 to 5, the connector 6 includes a round bar portion 7 and a plug portion 8 connected to the round bar portion 7, wherein the cross section of the plug portion 8 is any shape other than a circle; non-circular slots 9 which are matched with the cross sections of the inserting parts 8 are respectively arranged at the two ends of the handle 3, and the inserting parts 8 are arranged in the slots 9. Because the shape of the inserting part 8 and the inserting groove 9 are non-circular, the relative rotation of the inserting part 8 and the inserting groove 9 after the inserting part and the inserting groove are connected is prevented, and the connection stability of the second arm 5 and the handle 3 is improved. In addition, for easy installation and anti-installation, the plug-in portion 8 and the slot 9 may be designed to be foolproof, for example, one side of the plug-in portion 8 and the slot 9 is a plane, the other opposite side is an arc surface, and only the arc surface corresponds to the arc surface, the plane corresponds to the plane, so that installation can be completed, and anti-installation is prevented.
In some embodiments, as shown in fig. 6, the two ends of the shaft lever 1 are respectively provided with a mounting hole 10 along the axial direction thereof, and the end surfaces of the two ends of the shaft lever 1 are respectively provided with a positioning protrusion 11 protruding outwards along the axial direction thereof; as shown in fig. 3 and 4, the first arm 4 is provided with a through hole 12 and a positioning groove 13 penetrating the through hole 12; the positioning protrusions 11 at the two ends of the shaft lever 1 are respectively positioned in the positioning grooves 13 of the two first arms 4, and the mounting holes 10 respectively correspond to the through holes 12 of the first arms 4 and are penetrated by the fixing screws 14. The positioning protrusion 11 can prevent the first arm 4 from rotating relatively after being connected with the shaft lever 1, so that the relative stability of the first arm and the shaft lever is ensured. With continued reference to fig. 6, the two ends of the shaft 1 are respectively provided with a yielding position, i.e. a part of the shaft is cut off, so that the locking mechanism is prevented from being applied in the box or the case 18, and interference with other parts is generated when the shaft 1 rotates.
In some embodiments, when the handle 3 drives the linkage mechanism to close the first arm 4 and the second arm 5, the locking element 2 is in the locking position, see fig. 7; when the handle 3 drives the link mechanism to enable the first arm 4 and the second arm 5 to be unfolded, the locking piece 2 is in an unlocking position, see fig. 8; wherein, set up unsmooth location structure respectively on first arm 4 and the second arm 5, when closure 2 is in the closure position, first arm 4 and second arm 5 part overlap to make unsmooth location structure on both cooperate and realize the location (i.e. unsmooth location structure sets up on closure 2 is in the closure position, on the part that first arm 4 and second arm 5 overlap, so that realize the location when the closure position), guarantee link mechanism self stability, further guaranteed closure mechanism closure state stability. It should be noted that the folding and unfolding of the first arm 4 and the second arm 5 are relatively speaking, for example, the state of the first arm 4 and the second arm 5 when the locking element 2 is in the locking position is folding, and the state of the first arm and the second arm 5 when the locking element 2 is in the unlocking position is unfolding.
In some embodiments, as shown in fig. 6, the locking element 2 includes a body 15 and a locking tongue 16 provided on the body 15, a through hole 12 for passing the shaft 1 is provided in the body 15, and a slide rail 17 perpendicular to an axial direction of the through hole 12 is provided on an outer surface of the body 15, and the function of the slide rail 17 will be described below.
The locking mechanism of the embodiment is preferably made of metal, so that the wear resistance is improved, the strength is improved, and the service life is prolonged.
The embodiment of the invention also provides a lockable case which comprises a case body and the locking mechanism, wherein the locking mechanism is arranged on the case body and used for locking or unlocking the case body.
In some embodiments, referring to fig. 9 to 11, the case 18 is provided with a mounting carrier 21 for mounting the locking mechanism, and is provided with a locking groove (not shown in the drawings) corresponding to the mounting carrier 21; the installation carrier 21 of the embodiment is internally provided with a sliding cavity, the shaft lever 1 is arranged in the sliding cavity and can move in the sliding cavity along the axial direction perpendicular to the shaft lever 3 under the drive of the grip 3, so that the locking piece 2 can enter and exit the installation carrier 21, when the locking piece 2 stretches out of the installation carrier, the locking piece is combined with the locking groove to realize locking, and when the locking piece 2 is retracted into the installation carrier, the locking piece is separated from the locking groove to realize unlocking. In order to enable the shaft 1 and the locking element 2 to move along a given trajectory, the inner wall of the sliding chamber of the present embodiment is provided with a sliding groove (not shown) cooperating with a sliding rail 17 on the locking element 2, along which the sliding rail 17 of the locking element 2 moves when the grip 3 is turned.
In some embodiments, the handle 3 is U-shaped, and two ends of the handle 3 are hinged to two opposite sides of the mounting carrier 21.
With continued reference to fig. 9 and 10, the outwardly facing side of the mounting carrier 21 is provided with a recess 19 for the grip 3 to rest therein, the present embodiment being shown with the entire side recessed entirely inwardly except for the edges to form the recess 19; when the handle 3 is positioned in the groove 19, the locking piece 2 is in a locking position locked with the locking groove; when the grip 3 is turned away from the recess 19 to be parallel to the direction of movement of the carrier 20, the locking element 2 is completely disengaged from the locking groove and unlocked.
The embodiment of the invention also provides an external display card box, as shown in fig. 11 and 12, which comprises the lockable case, wherein one side of a case body 18 of the case is open, the external display card box further comprises a bearing frame 20 and a display card (not shown in the figure), and the display card is detachably arranged on the bearing frame 20; the bearing frame 20 is arranged in the box 18 and can move relative to the box 18 so as to move the box 18 from the open side of the box 18; the locking mechanism is arranged on the mounting carrier 21 of the bearing frame 20 corresponding to the open side of the box body 18; wherein, a locking groove matched with the locking piece 2 of the locking mechanism is arranged on the inner wall of the box body 18; when the bearing frame 20 is positioned in the box 18, the locking piece 2 can be positioned in the locking position by operating the handle 3 and combined with the locking groove, so that the bearing frame 20 is fixed in the box 18; when the carrier 20 needs to be moved out of the box 18, the handle 3 is operated, the locking piece 2 is driven by the link mechanism to switch from the locking position to the unlocking position so as to be separated from the locking groove, and the carrier 20 can move relative to the box 18 to move out of the box 18.
The external display card box of the embodiment can conveniently fix the bearing frame 20 in the box 18 by arranging the locking mechanism, and conveniently release the locking of the bearing frame 20 to enable the bearing frame 20 to move out of the box 18, so that the display card can be replaced conveniently and rapidly. Moreover, the locking mechanism occupies a small space and is convenient to install and design.
With continued reference to fig. 9, 10 and 12, the handle 3 shown in this embodiment is U-shaped, and two ends of the handle 3 are hinged to two opposite sides of the mounting carrier 21 respectively; specifically, the free ends of the second arms 5 are respectively provided with connectors 6 in opposite directions, and the connectors 6 are respectively connected with the outer sides of the two ends of the U-shaped opening of the grip 3, and are combined with fig. 4; the connectors 6 penetrate through both sides of the mounting carrier 21, respectively, and the connectors 6 form a rotation center of the grip 3, that is, the grip 3 and the connectors 6 rotate together with the connectors 6 as the rotation center.
In order to drive the shaft lever 1 to move on a predetermined track through two link mechanisms when the grip 3 rotates, as shown in fig. 9 and 10, a sliding cavity is provided in the mounting carrier 21 of the present embodiment, and the shaft lever 1 is disposed in the sliding cavity and can move in the sliding cavity along the axial direction perpendicular to itself under the drive of the grip 3, so that the locking member 2 can enter and exit the mounting carrier 21 to achieve unlocking or locking with the locking groove on the case 18. In order to enable the shaft 1 and the locking element 2 to move along a given trajectory, the inner wall of the sliding chamber of the present embodiment is provided with a sliding groove (not shown) cooperating with a sliding rail 17 on the locking element 2, along which the sliding rail 17 of the locking element 2 moves when the grip 3 is turned.
With continued reference to fig. 9 and 10, the outwardly facing side of the mounting carrier 21 is provided with a recess 19 for the grip 3 to rest therein, the present embodiment being shown with the entire side recessed entirely inwardly except for the edges to form the recess 19; when the handle 3 is positioned in the groove 19, the locking piece 2 is in a locking position locked with the locking groove; when the grip 3 is turned away from the recess 19 to be parallel to the direction of movement of the carrier 20, the locking element 2 is completely disengaged from the locking groove and unlocked.
Furthermore, although exemplary embodiments have been described in the present disclosure, the scope thereof includes any and all embodiments having equivalent elements, modifications, omissions, combinations (e.g., of the various embodiments across), adaptations or alterations as would be appreciated by those in the art. The elements in the claims are to be construed broadly based on the language employed in the claims and are not limited to examples described in the present specification or during the practice of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above detailed description, various features may be grouped together to streamline the invention. This is not to be interpreted as an intention that the disclosed features not being claimed are essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with one another in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (10)
1. A locking mechanism, comprising:
A shaft lever;
the locking piece is sleeved on the shaft rod and can rotate relative to the shaft rod, and the locking piece is provided with a locking position and an unlocking position;
a link assembly disposed on the shaft;
The handle is connected with the connecting rod assembly and can drive the shaft rod and the locking piece to move along the axial direction perpendicular to the shaft rod through the connecting rod assembly so that the locking piece can be switched between the locking position and the unlocking position;
The connecting rod assembly comprises connecting rod mechanisms which are arranged on two sides of the shaft rod in a mirror image mode, one end of one connecting rod mechanism is fixed with the first end of the shaft rod, and the other end of the connecting rod mechanism is fixed with the first end of the grip; one end of the other connecting rod mechanism is fixed with the second end of the shaft rod, and the other end of the other connecting rod mechanism is fixed with the second end of the grip;
The handle can drive the two link mechanisms to synchronously rotate at the same time, so that the two link mechanisms drive the shaft rod and the locking piece to move along the axial direction perpendicular to the shaft rod;
the connecting rod mechanism comprises a first arm and a second arm which are hinged with each other, the free ends of the two first arms of the two connecting rod mechanisms are respectively fixed with the two ends of the shaft rod, and the free ends of the two second arms are respectively fixed with the two ends of the handle;
the first arm and the second arm are respectively provided with a matched concave-convex positioning structure; when the handle drives the connecting rod mechanism to fold the first arm and the second arm, the locking piece is positioned at the locking position; when the handle drives the connecting rod mechanism to enable the first arm and the second arm to be unfolded, the locking piece is in an unlocking position, wherein when the locking piece is in the locking position, the first arm and the second arm are at least partially overlapped so that the positioning structures on the first arm and the second arm are in concave-convex fit for positioning.
2. The locking mechanism of claim 1, wherein the grip is U-shaped; the free ends of the two second arms are respectively provided with opposite connectors, and the connectors are respectively connected with the outer sides of the two ends of the U-shaped opening of the handle.
3. The locking mechanism according to claim 1, wherein the locking member includes a body and a lock tongue provided on the body, a through hole for passing the shaft is provided in the body, and a slide rail perpendicular to an axial direction of the through hole is provided on an outer surface of the body.
4. The locking mechanism according to claim 1, wherein both ends of the shaft lever are provided with mounting holes along the axial direction thereof, respectively, and positioning protrusions are provided on the end surfaces of both ends of the shaft lever to protrude outward along the axial direction thereof, respectively; the first arm is provided with a through hole and a positioning groove communicated with the through hole; the positioning protrusions at two ends of the shaft lever are respectively positioned in the positioning grooves of the two first arms, and the mounting holes respectively correspond to the through holes of the first arms and are penetrated by fixing screws.
5. Lockable case comprising a case body, characterized in that it further comprises a locking mechanism according to any one of claims 1-4, said locking mechanism being arranged on said case body for locking or unlocking said case body.
6. The lockable case of claim 5, wherein the case body is provided with a mounting carrier for mounting the locking mechanism, and is provided with a locking groove corresponding to the mounting carrier; the installation carrier is internally provided with a sliding cavity, the shaft lever is arranged in the sliding cavity and can move in the sliding cavity along the axial direction perpendicular to the shaft lever under the drive of the handle, so that the locking piece can enter and exit the installation carrier to be separated from the locking groove to be unlocked or combined to be locked.
7. The lockable case of claim 6, wherein the handle is U-shaped, and two ends of the handle are hinged to two opposite sides of the case respectively.
8. The lockable case of claim 7, wherein an outward facing side of the mounting carrier is provided with a recess for the grip to rest therein; when the handle is positioned in the groove, the locking piece is positioned at a locking position locked with the locking groove; when the handle is rotated away from the groove, the locking piece is completely separated from the locking groove to be unlocked.
9. External display card box, its characterized in that includes:
The lockable case of any of claims 5-8 having an open case side;
the bearing frame is arranged in the box body and can move relative to the box body so as to move out of the box body from the opening side of the box body, and the mounting carrier for mounting the locking mechanism is arranged on the bearing frame and corresponds to the opening side of the box body;
and the display card is detachably arranged on the bearing frame.
10. The external display card cartridge according to claim 9, wherein a locking groove is provided on an inner top wall of the open side of the housing to be engaged with the locking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418626.9A CN109542181B (en) | 2018-11-26 | 2018-11-26 | Locking mechanism, lockable case and external display card box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418626.9A CN109542181B (en) | 2018-11-26 | 2018-11-26 | Locking mechanism, lockable case and external display card box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109542181A CN109542181A (en) | 2019-03-29 |
| CN109542181B true CN109542181B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811418626.9A Active CN109542181B (en) | 2018-11-26 | 2018-11-26 | Locking mechanism, lockable case and external display card box |
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| CN (1) | CN109542181B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062540B (en) * | 2019-05-22 | 2024-02-23 | 合肥联宝信息技术有限公司 | Locking mechanism, chassis and electronic equipment |
| CN113407010B (en) * | 2021-06-22 | 2022-01-07 | 深圳市盈嘉讯实业有限公司 | Display card device and electronic equipment |
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| US5504974A (en) * | 1994-11-07 | 1996-04-09 | Graber; Philip P. | Combination door handle and grab bar for an agricultural or industrial cab door |
| CN205883791U (en) * | 2016-08-11 | 2017-01-11 | 深圳市上善工业设计有限公司 | Take out drawer type electronic equipment's handlebar assembly |
| CN209149210U (en) * | 2018-11-26 | 2019-07-23 | 合肥联宝信息技术有限公司 | A kind of locking mechanism, can sealed cabinet and external video card box |
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- 2018-11-26 CN CN201811418626.9A patent/CN109542181B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5504974A (en) * | 1994-11-07 | 1996-04-09 | Graber; Philip P. | Combination door handle and grab bar for an agricultural or industrial cab door |
| CN205883791U (en) * | 2016-08-11 | 2017-01-11 | 深圳市上善工业设计有限公司 | Take out drawer type electronic equipment's handlebar assembly |
| CN209149210U (en) * | 2018-11-26 | 2019-07-23 | 合肥联宝信息技术有限公司 | A kind of locking mechanism, can sealed cabinet and external video card box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109542181A (en) | 2019-03-29 |
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