Pulling assisting device with self-locking and program opening and closing functions

Abstract

The invention discloses a pulling assisting device with self-locking and program starting and stopping functions, and belongs to the technical field of electronic equipment module plugging and pulling assisting tools. Comprising an electronic device provided with a guide rail and an electronic board card, and further comprises a mounting panel, a pulling assisting pull rod and a locking clamping hook, the pulling-assisting pull rod is connected to the mounting panel in a sliding manner, and the microswitch can be triggered when the pulling-assisting pull rod slides; the locking clamping hook is rotationally connected to the mounting panel, a locking convex part on the pulling-assisting pull rod can abut against a touch locking part or an unlocking part on the locking clamping hook, and a first self-locking groove and a second self-locking groove are formed in the touch locking part; and the self-locking part on the locking clamping hook piece can rotate to be buckled with the locking limiting rib on the guide rail. According to the unplugging assisting device with the self-locking and program starting and stopping functions, self-locking and unlocking of the unplugging assisting device and program starting and stopping of the electronic board card can be associated through the pulling action of the unplugging assisting pull rod, and therefore the plugging and unplugging efficiency and safety of the electronic board card are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of auxiliary tools for plugging and unplugging electronic device modules, and particularly relates to a pull assist device with self-locking and program opening and closing functions. Background Art

[0002] In the current digital age, electronic devices are widely used in various fields, from large-scale server clusters in data centers, to medical devices, industrial automation control systems, and then to computers for daily office work. During the daily maintenance, function upgrade, and fault troubleshooting of these electronic devices, the plugging and unplugging operations of electronic boards are extremely frequent. Therefore, a pull assist device is usually set at the panel position of the electronic board to facilitate the operator to plug and unplug the electronic board.

[0003] However, the main function of the existing pull assist device is only to assist in the plugging and unplugging of the board, with a relatively single function, and many obvious limitations are exposed in practical applications. On the one hand, the board structure plugged and fixed on the slot in the traditional way has a cumbersome operation and is not easy to be frequently plugged and unplugged. At the same time, the board is easily loosened due to being in a complex environment for a long time, resulting in abnormal data transmission and equipment failures. On the other hand, before the board is plugged and unplugged, corresponding program startup procedures or program shutdown procedures need to be carried out to ensure the integrity and installation of the data. This operation usually requires additional control equipment for regulation, and the operation process is cumbersome. At the same time, it is easy to cause equipment failures or abnormal program operations due to operation errors.

[0004] Therefore, there is an urgent need for a pull assist device with self-locking and program opening and closing functions to meet the usage requirements. Summary of the Invention

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a pull assist device with self-locking and program opening and closing functions, which can associate the self-locking, unlocking of the pull assist device and the program opening and closing of the electronic board through the pulling action of the pull assist rod, thereby improving the plugging and unplugging efficiency and safety of the electronic board.

[0006] To achieve the above object, the technical solution adopted by the present invention is: a pull assist device with self-locking and program opening and closing functions, including an electronic device provided with a guide rail and an electronic board that can be slidably plugged into the electronic device through the guide rail. The pull assist device includes an installation panel, a pull assist rod, and a locking hook; The pull assist rod is slidably connected to the installation panel along a fixed direction, and when the pull assist rod slides, it can trigger a micro switch provided on the electronic board; The locking hook is rotatably connected to the mounting panel, and the locking protrusion on the auxiliary pull rod can abut against the touch-locking part or the unlocking part on the locking hook, the touch-locking part and the unlocking part are smoothly connected, and the touch-locking part is provided with a first self-locking groove and a second self-locking groove that can be engaged with the locking protrusion; Among them, when the locking protrusion slides on the locking part, the self-locking part on the locking hook away from the locking part can be rotated to engage with the locking limit rib on the guide rail; when the locking protrusion slides to the unlocking part, the self-locking part can be separated from the locking limit rib.

[0007] Optionally, the distance between the first self-locking groove and the second self-locking groove along the sliding direction of the auxiliary pull rod is greater than the triggering stroke of the micro switch.

[0008] Optionally, during the process that the locking protrusion slides from the first self-locking groove along the locking portion to the second self-locking groove, the movement direction of the auxiliary pulling rod is consistent with the direction of pulling out the electronic board from the electronic device.

[0009] Optionally, a spring capable of elastically supporting the locking hook is disposed on the mounting panel, and the spring can drive the locking portion or the unlocking portion on the locking hook to abut against the locking protrusion.

[0010] Optionally, both ends of the auxiliary pull rod are respectively provided with a limit stop block capable of abutting against the mounting panel and a limit protrusion capable of abutting against the locking hook.

[0011] Optionally, an insulating handle is provided on one end of the auxiliary pulling rod which is located outside the electronic board.

[0012] Optionally, the rotation center axis of the locking hook and the sliding direction of the auxiliary pulling rod are perpendicular to each other.

[0013] Optionally, the mounting panel can be snap-fitted and fixed to the electronic board.

[0014] Compared with the prior art, the present invention has the following beneficial effects: (1) The movement of the auxiliary pull rod can realize the interconnection between the self-locking of the auxiliary puller and the startup of the electronic board program, and realize the interconnection between the unlocking of the auxiliary puller and the shutdown of the electronic board program, which not only simplifies the process of plugging and unplugging the electronic board, but also effectively prevents the damage to the electronic board of the electronic equipment caused by misoperation; (2) The self-locking and unlocking of the auxiliary puller can be triggered by the plugging and pulling action of the auxiliary puller rod. The operation is simple and quick, which can effectively improve the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a schematic structural diagram of the extractor in the preferred embodiment of the present invention; Figure 2 It is a schematic structural diagram of the mounting panel in the preferred embodiment of the present invention; Figure 3 It is a schematic structural diagram of the extraction pull rod in the preferred embodiment of the present invention; Figure 4 It is a schematic structural diagram of the locking hook in the preferred embodiment of the present invention; Figure 5 It is a schematic structural diagram when the locking convex portion on the extraction pull rod in the preferred embodiment of the present invention engages with the first self-locking groove on the locking hook; Figure 6 It is a schematic structural diagram when the locking convex portion on the extraction pull rod in the preferred embodiment of the present invention engages with the second self-locking groove on the locking hook; Figure 7 It is a schematic structural diagram when the locking convex portion on the extraction pull rod in the preferred embodiment of the present invention abuts against the unlocking portion on the locking hook; Figure 8 It is a schematic structural diagram of the positional relationship between the self-locking portion and the locking limiting rib when the locking convex portion on the extraction pull rod in the preferred embodiment of the present invention engages with the first self-locking portion and the second self-locking groove on the locking hook; Figure 9 It is a schematic structural diagram of the positional relationship between the self-locking portion and the locking limiting rib when the locking convex portion on the extraction pull rod in the preferred embodiment of the present invention abuts against the unlocking portion on the locking hook; Among them, 1, guide rail; 101, locking limiting rib; 2, electronic board card; 3, mounting panel; 4, extraction pull rod; 401, locking convex portion; 402, limiting block; 403, limiting convex portion; 5, locking hook; 501, touch locking portion; 5011, first self-locking groove; 5012, second self-locking groove; 502, unlocking portion; 503, self-locking portion; 6, micro switch; 7, spring; 8, insulating handle. Specific embodiments

[0017] Now, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0018] It should be noted that if there are directional indications (such as up, down, bottom, top, etc.) involved in this embodiment, the directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. Unless otherwise clearly specified and defined, the terms "set", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0019] As Figures 1-9 shown, a pull assist device with self-locking and program opening and closing functions includes an electronic device provided with a guide rail 1 and an electronic board 2 that can be slidably inserted into the electronic device through the guide rail 1. The pull assist device includes a mounting panel 3, a pull assist rod 4, and a locking hook 5. Among them, the mounting panel 3 can be snap-connected to the electronic board 2 for easy disassembly and assembly. At the same time, the pull assist rod 4 is slidably connected to the mounting panel 3 along a fixed direction, and when the pull assist rod 4 slides, it can trigger a micro switch 6 provided on the electronic board 2, that is, the opening and closing of the micro switch 6 can be triggered by the sliding of the pull assist rod 4. The micro switch 6 can be electrically connected to a program control module in the electronic device, and a processing logic for the feedback signal of the micro control switch is added to the program control module, so that the electrical signal generated when the micro control switch is triggered can be received by the program control module and, according to the preset program logic, judge actions such as the start, stop, or restart of the electronic board 2 corresponding to the switch action, so as to quickly start and close the program when the electronic board 2 is inserted and removed, improving the operation efficiency.

[0020] Meanwhile, the locking hook 5 is rotatably connected to the mounting panel 3, and the locking protrusion 401 on the assisting pulling rod 4 can abut against the locking part 501 or the unlocking part 502 on the locking hook 5. The locking part 501 and the unlocking part 502 are smoothly connected, and the locking part 501 is provided with a first self-locking groove 5011 and a second self-locking groove 5012 that can be engaged with the locking protrusion 401. Among them, the rotation center axis of the locking hook 5 is perpendicular to the sliding direction of the assisting pulling rod 4, so that when the locking protrusion 401 slides on the locking part 501, the self-locking part 503 on the locking hook 5 away from the locking part 501 can rotate to engage with the locking limiting rib 101 on the guide rail 1, thereby self-locking the assisting puller. When the locking protrusion 401 slides to the unlocking part 502, the self-locking part 503 can be separated from the locking limiting rib 101.

[0021] Specifically, as Figure 5 shown, in this technical solution, the rotation axis of the locking hook 5 is used as the lever fulcrum, and the unlocking part 502 and the locking part 501 are divided onto one of the arms, and the self-locking part 503 is divided onto the other arm. And the unlocking part 502 or the locking part 501 can be abutted against the locking protrusion 401 on the assisting pulling rod 4 under the action of an external force. It should be noted that the planes where the unlocking part 502 and the locking part 501 are located are not coplanar, so that when the locking protrusion 401 on the assisting pulling rod 4 slides from the unlocking part 502 to the locking part 501 or from the locking part 501 to the unlocking part 502, the self-locking part 503 on the other arm will rotate around its rotation axis due to the lever action. Thus, the engagement and separation between the self-locking part 503 and the locking limiting rib 101 are achieved, and the self-locking and unlocking effects of the assisting puller are achieved. In this technical solution, the interconnection between the self-locking of the assisting puller and the start of the electronic board card 2 program can be realized by moving the assisting pulling rod 4, and the interconnection between the unlocking of the assisting puller and the closing of the electronic board card 2 program is realized, which not only simplifies the process of inserting and removing the electronic board card 2, but also can effectively prevent the damage caused by misoperation to the electronic board card 2 of the electronic device.

[0022] As described above, to keep the locking protrusion 401 on the assisting pulling rod 4 in a state of abutting against the locking part 501 or the unlocking part 502, as Figures 5-7 shown, a spring 7 that can elastically support the locking hook 5 is provided on the mounting panel 3, and the spring 7 can drive the locking part 501 or the unlocking part 502 on the locking hook 5 to abut against the locking protrusion 401.

[0023] Furthermore, in this technical solution, as Figures 5-7As shown in the figure, the distance between the first self-locking groove 5011 and the second self-locking groove 5012 along the sliding direction of the assist-pulling rod 4 is greater than the triggering stroke of the microswitch 6. That is, when the locking protrusions 401 on the assist-pulling rod 4 are respectively engaged with the first self-locking groove 5011 and the second self-locking groove 5012 and abutted against the unlocking portion 502, the microswitch 6 is in different states. Specifically, when the locking protrusion 401 is engaged in the first self-locking groove 5011, the microswitch 6 is activated or connected, and the startup program corresponding to the electronic board 2 will also be started accordingly; when the locking protrusion 401 is engaged in the second self-locking groove 5012, the microswitch 6 is closed or reset, and the shutdown program corresponding to the electronic board 2 will also be started accordingly; when the locking protrusion 401 slides to abut against the unlocking portion 502, the microswitch 6 is closed or reset, and the shutdown program corresponding to the electronic board 2 will continue to run.

[0024] Furthermore, to prevent the plugging and unplugging actions between the electronic card board and the electronic device from interfering with the self-locking and unlocking actions of the assist-pulling device, and considering the state of the microswitch 6 when the locking protrusion 401 is engaged in the first self-locking groove 5011 and the second self-locking groove 5012, during the process that the locking protrusion 401 slides from the first self-locking groove 5011 along the touch-locking portion 501 to the second self-locking groove 5012, the moving direction of the assist-pulling rod 4 is the same as the direction of pulling out the electronic board 2 from the electronic device.

[0025] In this embodiment, to limit the moving stroke of the assist-pulling rod 4, as Figure 3 , Figure 5 , Figure 7 shown, limiting blocks 402 that can abut against the mounting panel 3 and limiting protrusions 403 that can abut against the locking hook 5 are respectively provided at both ends of the assist-pulling rod 4. Specifically, when the assist-pulling rod 4 is pulled outwards until the locking protrusion 401 thereon abuts against the unlocking portion 502, the limiting block 402 on the assist-pulling rod 4 can abut against the mounting panel 3, thereby limiting the maximum outward pulling stroke of the assist-pulling rod 4; when the assist-pulling rod 4 is inserted inwards until the locking protrusion 401 thereon is engaged in the first self-locking groove 5011, the limiting protrusion 403 can abut against the locking hook 5, thereby limiting the maximum inward insertion depth of the assist-pulling rod 4. Embodiment Two

[0026] As Figure 1 shown, on the basis of Embodiment One, an insulating handle 8 is provided at one end of the assist-pulling rod 4 outside the electronic board 2, which can facilitate the operation of the operator for plugging and unplugging actions and can also isolate static electricity Furthermore, in this technical solution, the mounting panel 3 can be fixedly connected to the electronic board 2 by clamping, which is convenient for disassembly and assembly.

[0027] Working principle: First, when an operator needs to insert the electronic board 2 into the electronic device, the electronic board 2 can be inserted into the electronic device along the guide rail 1. After being inserted in place, the assist extraction lever 4 can be pushed in the direction of inserting the electronic board 2 into the electronic device until the assist extraction lever 4 cannot be pushed inward any further. During this process, under the action of the spring 7, the locking hook 5 can make the locking part 501 or the unlocking part 502 abut against the locking convex part 401 on the assist extraction lever 4. As the locking convex part 401 slides from the unlocking part 502 to the locking part 501, the self-locking part 503 on the locking hook 5 can rotate to engage with the locking limit rib 101 on the guide rail 1 to prevent the electronic board 2 from detaching from the electronic device. At the same time, during the process of the locking convex part 401 on the assist extraction lever 4 continuing to move along the locking part 501, the locking convex part 401 on the assist extraction lever 4 can engage with the first self-locking groove 5011 after passing over the second self-locking groove 5012. While achieving self-locking, one end of the assist extraction lever 4 can also trigger the micro switch 6, thereby starting the startup program of the electronic board 2.

[0028] When the operator needs to pull out the electronic board 2 from the electronic device, the electronic board 2 can be pulled out along the guide rail 1 through the assist extraction lever 4. That is, during the process of pulling out the assist extraction lever 4 outward, the locking convex part 401 on the assist extraction lever 4 can be disengaged from the state of engaging with the first self-locking groove 5011 and can slide along the locking part 501 towards the second self-locking groove 5012. When the locking convex part 401 on the assist extraction lever 4 moves to engage with the second self-locking groove 5012, one end of the assist extraction lever 4 has exceeded the triggering range of the micro switch 6, so that the micro switch 6 is turned off or reset, and the corresponding shutdown program of the electronic board 2 will also be started accordingly, enabling the electronic board 2 to be safely pulled out. Subsequently, the locking convex part 401 on the assist extraction lever 4 can slide out of the second self-locking groove 5012 and slide to the unlocking part 502. At this time, the self-locking part 503 on the locking hook 5 can rotate reversely to separate from the locking limit rib 101 on the guide rail 1, thereby releasing the self-locking state of the assist extractor and enabling the electronic board 2 to be pulled out from the electronic device. Subsequently, when the limit stop block 402 on the assist extraction lever 4 abuts against the mounting panel 3 provided on the electronic board 2, by continuing to pull out the assist extraction lever 4 outward, the electronic board 2 can be stressed, and thus the electronic board 2 can be pulled out from the electronic device by means of the assist extraction lever 4.

[0029] Based on the ideal embodiments of the present invention as an inspiration, through the above description, relevant personnel can completely make various changes and modifications within the scope not deviating from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. An auxiliary extraction device with self-locking and program opening and closing functions, comprising an electronic device provided with a guide rail (1) and an electronic board (2) that can be slidably plugged into the electronic device through the guide rail (1), characterized in that: The extraction aid comprises a mounting panel (3), an extraction aid pull rod (4) and a locking hook (5); The auxiliary pull rod (4) is slidably connected to the installation panel (3) along a fixed direction, and the auxiliary pull rod (4) can trigger a micro switch (6) provided on the electronic board (2) when sliding. The locking hook (5) is rotatably connected to the mounting panel (3), and the locking protrusion (401) on the auxiliary pull rod (4) can abut against the touch-locking part (501) or the unlocking part (502) on the locking hook (5), the touch-locking part (501) and the unlocking part (502) are smoothly connected, and the touch-locking part (501) is provided with a first self-locking groove (5011) and a second self-locking groove (5012) that can be engaged with the locking protrusion (401); When the locking protrusion (401) slides on the locking portion (501), the self-locking portion (503) on the locking hook (5) away from the locking portion (501) can be rotated to engage with the locking limit rib (101) on the guide rail (1); when the locking protrusion (401) slides to the unlocking portion (502), the self-locking portion (503) can be separated from the locking limit rib (101).

2. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: The distance between the first self-locking groove (5011) and the second self-locking groove (5012) along the sliding direction of the auxiliary pull rod (4) is greater than the triggering stroke of the micro switch (6).

3. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: During the process of the locking protrusion (401) sliding from the first self-locking groove (5011) along the locking portion (501) to the second self-locking groove (5012), the movement direction of the auxiliary extraction rod (4) is consistent with the direction of extracting the electronic board (2) from the electronic device.

4. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: The mounting panel (3) is provided with a spring (7) capable of elastically supporting the locking hook (5), and the spring (7) is capable of driving the locking portion (501) or the unlocking portion (502) on the locking hook (5) to abut against the locking protrusion (401).

5. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: Both ends of the auxiliary pull rod (4) are respectively provided with a limit stopper (402) capable of abutting against the mounting panel (3) and a limit convex portion (403) capable of abutting against the locking hook (5).

6. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: An insulating handle (8) is provided on one end of the auxiliary pull rod (4) which is located outside the electronic board (2).

7. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: The rotation center axis of the locking hook (5) and the sliding direction of the auxiliary pull rod (4) are perpendicular to each other.

8. The pull-out aid with self-locking and program-activated functions according to claim 1, characterized in that: The installation panel (3) can be snap-fitted and fixed to the electronic board (2).

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