CN216017482U

CN216017482U - Power-assisted pluggable device with locking function for interior of electronic case

Info

Publication number: CN216017482U
Application number: CN202122076002.7U
Authority: CN
Inventors: 张继恒; 赵睿; 王运泽; 史健; 李由朝; 王连坡; 张恒源; 顾海峰; 贾敬乐
Original assignee: Nanjing Laisi Electronic Equipment Co ltd
Current assignee: Nanjing Laisi Electronic Equipment Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-11
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a helping hand plug ware that is used for quick-witted incasement portion of electron to have locking function for insert, lock and the helping hand of subrack that will place electronic equipment and pull out in quick-witted case guide slot, the plug ware includes handle, slide rail and wedge, and the handle end is opened there is the arc spout, and the spout both ends are protruding, can carry out the mechanical structure cooperation with the first recess in quick-witted case guide slot, realize different functions in the different motion stages of same action. The power-assisted inserting function can be realized at the initial stage of inserting box installation, and the inserting box is installed in place in a power-assisted mode; the handle is further rotated to drive the sliding rail to move, so that the wedge-shaped block is displaced, the gap between the wedge-shaped block and the guide groove of the case is eliminated, and the locking function is realized; the handle is rotated in the opposite direction, so that the power-assisted pull-out function can be realized. The utility model discloses simple structure, the operation is convenient, and occupation space is little, and is efficient.

Description

Power-assisted pluggable device with locking function for interior of electronic case

Technical Field

The utility model relates to a helping hand plug ware that is used for quick-witted incasement portion of electron to have locking function exempts from the operation of outside instrument, has the helping hand and inserts, locks, the plug ware that the function was extracted to the helping hand.

Background

The electronic case has the characteristics of compact structure, small occupied space, high modularization degree, flexible configuration, standard appearance size, convenience in integrated erection and the like, and becomes a common integrated installation form in industrial electronic equipment and electronic systems.

In order to facilitate installation of the box into the electronic chassis, a certain gap is left between the box and the chassis, but in the transportation process of the electronic chassis, due to the existence of the gap, the electronic equipment placed inside the electronic chassis may collide and other unsafe factors. Therefore, in order to eliminate these gaps, a locker must be used in cooperation with the box. However, external tools are often required to lock the lock, which is cumbersome and time consuming. The plug-in box usually needs to use a handle to realize the function of assisting in plugging and unplugging, so that the operation and the function of the locking device can be optimally designed, the operation process is reduced, and the rapid locking is realized.

In order to solve the problem of optimizing the design of the locking device, the locking device is generally improved to simplify the operation steps and avoid the complicated installation process, but the external tool is inevitably required. Even without the use of external tools, it is often necessary to incorporate additional locking devices.

And existing design often adopts the spring as the core that realizes helping to pull out locking function, and this kind of design has certain convenience, but under special circumstances, unreliable condition often can appear in the high-frequency vibration condition for example, leads to locking function to appear inefficacy, and the integrated circuit board is not hard up.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a helping hand plug ware that is used for quick-witted incasement portion of electron to can realize the helping hand plug ware of locking function among the solution prior art, the structure is complicated, need use extra locking device, and utilizes the spring to realize helping the problem of pulling out the potential safety hazard that locking function probably brought.

The technical scheme for realizing the purpose of the utility model is as follows: a power-assisted pluggable unit with a locking function for an electronic case is used for inserting, locking and pulling a plug box (8) for placing electronic equipment out of a case guide groove (9) in a power-assisted manner, and is movably connected with the plug box (8), and is characterized by comprising a handle (1), a slide rail (4) and a wedge block (5);

the handle (1) is movably connected with the plug-in box (8) through a fastener (7) and can rotate around the fastener (7); the handle (1) is connected with a sliding rail (4) through a connecting block (3), a wedge-shaped block (5) is movably mounted on the sliding rail (4), the sliding rail (4) is movably connected with second bosses (8-4) on two sides of an inserting box (8), and a limiting device is further arranged on one side, close to the handle (1), of the inserting box (8) and used for limiting the sliding distance of the wedge-shaped block (5) on the sliding rail (4);

the tail end of the handle (1) is provided with an arc-shaped sliding chute (1-6), and two ends of the sliding chute are protruded; a first groove (6) is arranged above the front end of the case guide groove (9); two inner groove walls of the arc-shaped sliding grooves (1-6) can be matched with the first groove (6) to realize the assisted insertion and assisted extraction of the plug box (8); the second bosses (8-4) on two sides of the plug-in box (8) are contacted with the inner wall (9-1) of the guide groove (9) of the case;

the handle (1) is rotated to drive the sliding rail (4) to move, and the wedge-shaped block (5) on the sliding rail (4) is extruded in the horizontal direction under the action of the limiting device at the front end of the plug box (8) and moves along the direction vertical to the moving direction of the sliding rail (4); the gap between the wedge block (5) and the inner wall (9-2) of the case guide groove (9) disappears, and the locking of the plug box (8) in the case guide groove (9) is realized.

Furthermore, two inner groove walls of the arc-shaped sliding groove (1-6) at the tail end of the handle (1) are respectively used as a pulling-assisted surface (1-2) and a pushing-assisted surface (1-3); in the rotation process of the handle (1), the boosting surface (1-3) is in contact with the second groove surface (6-2) of the first groove (6), and a contact point is used as a lever fulcrum for pushing the plug box (8); the pulling-assisted surface (1-2) is in contact with the first groove surface (6-1) of the first groove (6), and a contact point is used as a lever fulcrum for prying the plug box (8).

Furthermore, a second groove (4-3) is formed in the sliding rail (4) and used for fixing the wedge block (5) in a sliding mode, and the wedge block (5) comprises a first compression wedge block (5-1), a transition wedge sliding block (5-2) and a second compression wedge block (5-3).

Furthermore, the contact surface of the first compression wedge-shaped block (5-1) and the transition wedge-shaped sliding block (5-2) is an inclined surface, the contact surface of the second compression wedge-shaped block (5-3) and the transition wedge-shaped sliding block (5-2) is an inclined surface, and when the first compression wedge-shaped block and the transition wedge-shaped sliding block are extruded by external force, adjacent contact surfaces are dislocated.

Furthermore, the first pressing wedge-shaped block (5-1), the transition wedge-shaped sliding block (5-2) and the second pressing wedge-shaped block (5-3) are provided with convex ribs matched with the second groove (4-3) in the sliding rail (4), when the first pressing wedge-shaped block (5-1) and the second pressing wedge-shaped block (5-3) are extruded by external force, the first pressing wedge-shaped block (5-1) and the second pressing wedge-shaped block (5-3) move along the direction of the first boss (4-5) departing from the sliding rail (4), the convex ribs of the first pressing wedge-shaped block (5-1) and the second pressing wedge-shaped block (5-3) are contacted with one side of the second groove (4-3), and one side departing from the convex ribs is contacted with the inner wall (9-2) of the case guide groove (9).

Furthermore, a limiting device on one side, close to the handle (1), of the plug-in box (8) is a raised limiting block (8-3), and a limiting rectangular block (4-4) is arranged at one end of the sliding rail (4); when the sliding rail (4) moves towards the limiting block (8-3), the distance between the limiting block (8-3) and the limiting rectangular block (4-4) is shortened, and the limiting block (8-3) blocks the wedge-shaped block (5) to move along the horizontal direction of the sliding rail (4).

Furthermore, the bottom of the sliding rail (4) is provided with a threaded blind hole (4-1), second bosses (8-4) on two sides of the plug-in box (8) are provided with long waist holes (8-1), and the sliding rail (4) is connected with the plug-in box (8) through screws, so that the sliding rail (4) can move in the long waist holes and parallel to the second bosses (8-4) of the plug-in box (8).

Furthermore, a through hole (1-1) is formed in the handle (1); the front end of the inserting box (8) is provided with a through hole (8-2); the fastener (7) penetrates through the through hole (1-1) and the through hole (8-2) to movably connect the handle (1) to the plug-in box (8).

Furthermore, the through hole (1-5) of the handle (1) is fixedly connected with the through hole (3-1) of the connecting block (3) through a pin (2); the through hole (4-2) of the sliding rail (4) is fixedly connected with the through hole (3-2) of the connecting block (3) through the pin (2).

Further, when the handle (1) rotates to a position where the arc surface (1-4) of the handle is tangent to the groove surface (6-3) of the groove block (6), the plug-in device does not have an assistance insertion function any more.

Furthermore, when the locking position is reached, the included angle between the acting point of the wedge block (5) and the vertical direction of the case guide groove (9) and the rotating center of the handle (1) is larger than 180 degrees along the clockwise angle, so that the locking failure caused by the loosening of the handle (1) in the vibration can be avoided.

The conventional separate power-assisted plug device and the locker are combined into one part, two functions are realized through one coherent action, the design scheme that an additional locking device is required to lock and reinforce in the prior art is replaced, meanwhile, the design scheme that the conventional flexible connection mode using a spring and the like is replaced by pure rigid connection, and the potential hazard possibly brought by the flexible connection mode in the use process is solved.

Has the advantages that:

1. the power-assisted pluggable device and the locker are integrated into a whole, so that the structure is simple, and the integration level of a product is improved;

2. the overall rigid connection design is adopted, so that the use of a spring is avoided, and the reliability under the condition of high-frequency vibration is ensured;

3. the power-assisted plugging and locking can be realized by rotating the handle, and the operation is simple;

4. the locking by using an external tool is avoided, so that the space requirement for installation and locking can be reduced;

5. the disassembly and assembly are convenient and quick, and the time for installing, disassembling and maintaining the plug box can be shortened.

Drawings

FIG. 1 is an exploded view of the overall device of the present invention;

FIG. 2 is a schematic structural view of the handle of the present invention;

fig. 3 is a schematic structural diagram of the connecting block of the present invention;

fig. 4 is a schematic structural view of the slide rail of the present invention;

fig. 5 is a bottom view of the slide rail of the present invention;

fig. 6 is a schematic structural view of a wedge block in the present invention;

fig. 7 is a front view of a first groove of the present invention;

FIG. 8 is a view of the first recess in the present invention from side A-A;

FIG. 9 is a schematic structural view of the middle insert box of the present invention;

FIGS. 10-11 are schematic views of the power-assisted insertion state of the insert box of the present invention;

FIG. 12 is a schematic view of the operation principle of the stopper of the present invention;

fig. 13 is a schematic view of the locking state of the subrack of the present invention;

fig. 14 is a side view of the locking state of the subrack of the present invention;

fig. 15-18 are schematic diagrams of the power-assisted extraction state of the plug box of the present invention.

Wherein: 1-handle, 1-1-through hole, 1-2-pulling aid surface, 1-3-pushing aid surface, 1-4-arc surface, 1-5-through hole, 1-6-arc chute, 2-pin, 3-connecting block, 3-1-through hole, 3-2-through hole, 4-slide rail, 4-1-threaded blind hole, 4-2-through hole, 4-3-second groove, 4-4-limiting rectangular block, 4-5-first boss, 5-wedge block, 5-1-first compression wedge block, 5-2-transition wedge slide block, 5-3-second compression wedge block, 6-first groove, 6-1-groove surface, 6-2-groove surface, 6-3-groove surface, 7-fastener, 8-inserting box, 8-1-long waist hole, 8-2-through hole, 8-3-limiting block, 8-4-second boss, 9-case guide groove, 9-1-inner wall and 9-2-inner wall.

Detailed Description

The advantages of the above technical solutions of the present invention will become more apparent from the following detailed description of the present invention with reference to the accompanying drawings and the detailed description thereof.

As shown in fig. 1, a power-assisted inserting and extracting device with a locking function for an electronic chassis interior includes a handle 1, a pin 2, a connecting block 3, a slide rail 4, a wedge block 5, a first groove 6, a fastening member 7, an inserting box 8 and a chassis guide groove 9.

As shown in fig. 2, the tail end of the handle 1 is provided with arc-shaped sliding chutes 1-6, and two ends of the sliding chutes are protruded; two inner groove walls of the arc-shaped sliding grooves 1-6 are respectively used as a pulling-assisted surface 1-2 and a pushing-assisted surface 1-3; as shown in fig. 7-8, in the rotation process of the handle 1, the boosting surface 1-3 is in contact with the groove surface 6-2 of the first groove 6, and the contact point is used as a lever fulcrum for pushing the plug box 8; the pulling-assisted surface 1-2 is contacted with the 6-1 groove surface of the first groove 6, and the contact point is used as a lever fulcrum for prying the plug box 8.

As shown in fig. 2, a through hole 1-1 is formed on the handle 1; as shown in fig. 9, the front end of the inserting box 8 is provided with a through hole 8-2; the fastener 7 penetrates through the through hole 1-1 and the through hole 8-2, the handle 1 is movably connected to the plug-in box 7, and the handle can rotate around the fastener 7.

As shown in fig. 2-4, the through hole 1-5 of the handle 1 is fixedly connected with the through hole 3-1 of the connecting block 3 through a pin 2; the through hole 4-2 of the sliding rail 4 is fixedly connected with the through hole 3-2 of the connecting block 3 through the pin 2.

As shown in fig. 4, a second groove 4-3 is formed on the slide rail 4 for slidably fixing the wedge block 5; as shown in fig. 6, the wedge-shaped block 5 comprises a first pressing wedge-shaped block 5-1, a transition wedge-shaped sliding block 5-2 and a second pressing wedge-shaped block 5-3. The first compression wedge-shaped block 5-1 is an inverted right trapezoid, the transition wedge-shaped sliding block 5-2 is a regular isosceles trapezoid, the second compression wedge-shaped block 5-3 is an inverted right trapezoid, the contact surface of the adjacent wedge-shaped block 5 is an inclined surface, and when the wedge-shaped block is extruded by external force, the adjacent contact surfaces are staggered. The first compression wedge-shaped block 5-1, the transition wedge-shaped sliding block 5-2 and the second compression wedge-shaped block 5-3 are provided with convex ribs matched with the second groove 4-3 in the sliding rail 4, when the first compression wedge-shaped block 5-1 and the second compression wedge-shaped block 5-3 are extruded by external force, the first compression wedge-shaped block 5-1 and the second compression wedge-shaped block 5-3 move along the direction of a first boss 4-5 departing from the sliding rail 4, the convex ribs of the first compression wedge-shaped block 5-1 and the second compression wedge-shaped block 5-3 are contacted with one side of the second groove 4-3, and one side departing from the convex ribs is contacted with the inner wall 9-2 of the guide groove 9 of the case.

The slide rail 4 is movably connected with second bosses 8-4 at two sides of the inserting box 8; as shown in fig. 5, the bottom of the slide rail 4 is provided with a threaded blind hole 4-1; as shown in fig. 9, the second bosses 8-4 on both sides of the inserting box 8 are provided with long waist holes 8-1, and the sliding rail 4 is connected with the inserting box 8 through screws, so that the sliding rail 4 can move in the long waist holes in parallel to the second bosses 8-4 of the inserting box 8.

The limiting device on the inserting box 8 is a convex limiting block 8-3, as shown in fig. 9; one end of the slide rail 4 is provided with a limiting rectangular block 4-4 as shown in figure 12; when the slide rail 4 moves towards the limiting block 8-3, the distance between the limiting block 8-3 and the limiting rectangular block 4-4 is shortened, and the limiting block 8-3 blocks the wedge-shaped block 5 to move along the horizontal direction of the slide rail 4.

The second bosses 8-4 on the two sides of the inserting box 8 are contacted with the inner wall 9-1 of the case guide groove 9.

As shown in fig. 10-11, in the process of inserting the plug-in box 8 into the chassis guide slot 9 with assistance, the handle 1 is rotated, the boosting surface 1-3 of the handle 1 is matched with the slot surface 6-2 of the first slot 6 arranged at the front end of the chassis guide slot 9 to generate an interaction force, and the plug-in box 8 is inserted inwards along the inner wall 9-1 of the chassis guide slot 9 as a whole, so that the function of boosting insertion is realized.

Continuing to rotate the handle 1, enabling a 1-4 arc surface of the handle to be tangent to a 6-3 groove surface of the first groove 6, and no longer having an assisting insertion function, as shown in fig. 12, meanwhile, a through hole 1-5 of the handle 1 pulls the sliding rail 4 to move through the connecting block 3, and due to the limiting function of the limiting block 8-3 protruding at the front end of the inserting box 8 and the limiting rectangular block at the rear end of the sliding rail 4, as shown in fig. 13-14, the whole wedge-shaped block 5 is extruded, and finally the first pressing wedge-shaped block 5-1 and the second pressing wedge-shaped block 5-3 move along the direction perpendicular to the moving direction of the sliding rail 4 and far away from the first boss 4-5 of the sliding rail 4, so that a gap between the wedge-shaped block 5 and the inner wall 9-2 of the case guide groove 9 disappears, and the locking function is achieved. And when reaching the locking position, the acting point of the interaction force in the vertical direction between the wedge-shaped block 5 and the case guide groove 9 and the rotating center included angle of the handle 1 are larger than 180 degrees along the angle in the clockwise direction, so that the force plays a self-locking role, and the handle 1 can be prevented from loosening in vibration to cause locking failure.

As shown in fig. 15-18, in the process of pulling the plug box 8 out of the chassis guide groove 9 with assistance, the handle 1 rotates in the reverse direction, and the through hole 1-5 of the handle 1 drives the slide rail 4 to move towards the rear end of the plug box along the side surface of the plug box 8 through the connecting block 3; the wedge-shaped block 5 obtains the axial sliding distance along the sliding rail 4 again, the first compression wedge-shaped block 5-1 and the second compression wedge-shaped block 5-3 move along the direction perpendicular to the moving direction of the sliding rail 4 and close to the first boss 4-5 of the sliding rail 4, and the plug box 8 is not locked any more; the handle 1 is further rotated, so that the pulling-assisted surface 1-2 of the handle 1 is matched with the 6-1 groove surface of the first groove 6 arranged at the front end of the case guide groove 9 to generate an interaction force, the plug-in box 8 is integrally pulled out along the case guide groove 9, and the function of assisted pulling-out is realized.

Therefore, under the condition of not using an external tool, the functions of assisting in plugging and locking are realized, the operation steps are simplified to the maximum extent, and the requirement of the plug box on space is reduced. Through the operating handle for the subrack is easy to assemble, also can make the structure of electron machine case compacter, and whole more miniaturized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A power-assisted pluggable unit with a locking function for an electronic case is used for inserting, locking and pulling a plug box (8) for placing electronic equipment out of a case guide groove (9) in a power-assisted manner, and is movably connected with the plug box (8), and is characterized by comprising a handle (1), a slide rail (4) and a wedge block (5);

the handle (1) is movably connected with the plug-in box (8) through a fastener (7) and can rotate around the fastener (7); the handle (1) is connected with a sliding rail (4) through a connecting block (3), and a wedge-shaped block (5) is movably mounted on the sliding rail (4); the sliding rail (4) is movably connected with second bosses (8-4) on two sides of the inserting box (8), and a limiting device is further arranged on one side, close to the handle (1), of the inserting box (8) and used for limiting the sliding distance of the wedge block (5) on the sliding rail (4);

the tail end of the handle (1) is provided with an arc-shaped sliding chute (1-6), and two ends of the sliding chute are protruded; a first groove (6) is arranged above the front end of the case guide groove (9); two inner groove walls of the arc-shaped sliding grooves (1-6) can be matched with the first groove (6) to realize the assisted insertion and assisted extraction of the plug box (8); the second bosses (8-4) at two sides of the plug-in box (8) are contacted with the inner wall of the case guide groove (9);

the sliding rail (4) is driven to move by rotating the handle (1), and the wedge-shaped block (5) on the sliding rail (4) is extruded in the horizontal direction under the action of the limiting device on the plug box (8) and moves along the direction vertical to the moving direction of the sliding rail (4); the gap between the wedge block (5) and the inner wall of the case guide groove (9) disappears, and the locking of the plug-in box (8) in the case guide groove (9) is realized.

2. The power-assisted inserting and pulling device with the locking function for the interior of the electronic case as claimed in claim 1, wherein two inner groove walls of the arc-shaped sliding groove (1-6) at the tail end of the handle (1) are respectively used as an assistant pulling surface (1-2) and an assistant pushing surface (1-3); in the rotation process of the handle (1), the boosting surface (1-3) is in contact with the groove surface of the first groove (6), and the contact point is used as a lever fulcrum for pushing the plug box (8); the pulling-assisted surface (1-2) is in contact with the groove surface of the first groove (6), and the contact point is used as a lever fulcrum for prying the plug box (8).

3. The power-assisted pluggable unit with locking function for electronic chassis interior according to claim 1, wherein the sliding rail (4) is provided with a second groove (4-3) for slidably fixing the wedge block (5), and the wedge block (5) comprises a first compression wedge block (5-1), a transition wedge block (5-2) and a second compression wedge block (5-3).

4. The power-assisted pluggable unit with locking function for electronic cabinet interior according to claim 3, wherein the contact surface of the first compression wedge block (5-1) and the transition wedge block (5-2) is an inclined surface, and the contact surface of the second compression wedge block (5-3) and the transition wedge block (5-2) is an inclined surface, and when being squeezed by external force, the adjacent contact surfaces are dislocated.

5. The power-assisted inserting and pulling device with the locking function for the interior of the electronic case as claimed in claim 1, wherein the limiting device on one side of the inserting case (8) close to the handle (1) is a raised limiting block (8-3), and one end of the sliding rail (4) is provided with a limiting rectangular block (4-4); when the sliding rail (4) moves towards the limiting block (8-3), the distance between the limiting block (8-3) and the limiting rectangular block (4-4) is shortened, and the limiting block (8-3) blocks the wedge-shaped block (5) to move along the horizontal direction of the sliding rail (4).

6. The power-assisted plugging device with the locking function for the interior of the electronic case according to claim 1, wherein a threaded blind hole (4-1) is formed at the bottom of the sliding rail (4), a long waist hole (8-1) is formed in a second boss (8-4) on two sides of the plug-in box (8), and the sliding rail (4) is connected with the plug-in box (8) through a screw, so that the sliding rail (4) can move in the long waist hole in parallel to the second boss (8-4) of the plug-in box (8).

7. The power-assisted inserting and pulling device with the locking function for the interior of the electronic case as claimed in claim 1, wherein the handle (1) is provided with a through hole; the front end of the inserting box (8) is provided with a through hole; the fastener (7) penetrates through the through hole of the handle and the through hole of the plug box to movably connect the handle (1) to the plug box (8).

8. The power-assisted inserting and pulling device with the locking function for the interior of the electronic case is characterized in that the through hole of the handle (1) is fixedly connected with the through hole of the connecting block (3) through a pin (2); the through hole of the sliding rail (4) is fixedly connected with the through hole of the connecting block (3) through the pin (2).

9. The power-assisted inserting and pulling device with the locking function for the interior of the electronic case is characterized in that the power-assisted inserting and pulling device does not have the power-assisted inserting function when the handle (1) is rotated to a position where the arc surface (1-4) of the handle is tangent to the groove surface of the first groove (6).

10. The power-assisted inserting and pulling device with the locking function for the interior of the electronic case as claimed in claim 1, wherein when the locking position is reached, an included angle between an action point of the wedge block (5) and the case guide groove (9) in the vertical direction and a rotation center of the handle (1) is larger than 180 degrees along the clockwise direction, so that locking failure caused by loosening of the handle (1) in vibration can be avoided.