Tilting equipment mounting rack

Abstract

The invention relates to an equipment mounting rack, in particular to a tiltable equipment mounting rack which comprises a side plate and a bottom plate, pin holes are formed in the two sides of the bottom plate, pin shafts are rotationally arranged in the pin holes, a hinge hole and a sliding fit hole located in one side of the hinge hole are formed in the side plate, the sliding fit hole extends in the front-back direction, and a tangent plane is arranged at the tail of each pin shaft; the bottom plate rotates relative to the side plate along the pin shaft so that the bottom plate can have a tilting position and a horizontal position in the moving process, and when the bottom plate is located at the tilting position, the tail of the pin shaft is rotationally arranged in the hinge hole; when the bottom plate is in the horizontal position, the tangent plane of the tail portion of the pin shaft can be in sliding fit with the inner wall of the sliding fit hole in the front-back direction and limit the bottom plate to rotate from the horizontal position to the tilting position. The tilting of the bottom plate is realized through the matching of the hinge pin, the hinge hole in the side plate and the sliding fit hole, the electronic equipment can directly penetrate through the maintenance window to be arranged on the bottom plate, then the bottom plate is rotated to be in a horizontal state, and a relatively large mounting space below the electronic equipment is ensured.

Description

Technical Field

[0001] The present invention relates to a device mounting bracket, and more particularly to a tiltable device mounting bracket. Background Art

[0002] As an installation platform for electronic devices, the device mounting bracket is widely used in civil aircraft and vehicle-mounted fields. Its function is mainly to provide a mechanical installation interface and support for electronic devices, and at the same time provide a laying platform between the internal electronic devices and other devices, and between other devices and external wiring harnesses. The design of the device mounting bracket is mainly affected by the size of the external installation space, the shape and size of the internal electronic devices, and the interface elements. Usually, it is designed as an open structure, taking into account the convenience of assembly to facilitate the subsequent maintenance and repair of the devices.

[0003] When designing the device mounting bracket, in order to ensure that the device mounting bracket has high stability and structural strength, it is usually designed as a square structure according to the shape and size of the electronic device. The internal side plate, rear plate and bottom plate are fixed by screwing. At this time, the bottom plate is often firmly fixed and cannot be horizontally moved or rotated. For some special working conditions in engineering applications, the conventional design scheme is also not applicable. For example, in order to ensure the strength of the cabin, the maintenance window for installing / removing the cabin is small and located near the middle of the cabin wall. However, in order to leave enough installation space for other devices, the installation position of the electronic device is close to the top of the cabin. When installing the electronic device from the maintenance window, the height of the electronic device is greater than the distance between the bottom plate of the device mounting bracket and the top of the maintenance window, and it cannot be directly inserted through the maintenance window and installed at the corresponding position of the device mounting bracket, as Figure 2 shown. Summary of the Invention

[0004] In order to improve the adaptability of the device mounting bracket under various working conditions and the space utilization rate on the aircraft or in the whole vehicle, and to solve the technical problem that it is impossible to normally install / remove electronic devices due to special working conditions such as small maintenance windows, the present invention proposes a tiltable device mounting bracket to increase the distance between the bottom plate and the maintenance window during the installation of the electronic device, and ensure the smooth installation and removal of the electronic device.

[0005] The object of the present invention is achieved by the following technical solutions. A tiltable equipment mounting bracket according to the present invention includes side plates arranged opposite to each other and a bottom plate slidably mounted between the two side plates. The bottom plate is used for mounting electronic equipment. Pin holes are provided on both sides of the bottom plate, and pin shafts are rotatably arranged in the pin holes. Hinge holes are provided on the side plates, and sliding holes are provided on one side of the hinge holes and communicating with the hinge holes. The sliding holes extend in the front-rear direction, and the tail of the pin shaft is provided with a cut surface; the bottom plate rotates relative to the side plates along the pin shaft so that the bottom plate has a tilt position and a horizontal position during its movement. When the bottom plate is in the tilt position, the tail of the pin shaft is rotatably arranged in the hinge hole; when the bottom plate is in the horizontal position, the cut surface of the tail of the pin shaft can slide in cooperation with the inner wall of the sliding hole in the front-rear direction and limit the bottom plate from rotating from the horizontal position to the tilt position.

[0006] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0007] When installing electronic equipment on the bottom plate of the equipment mounting bracket, the tilt of the bottom plate is realized through the cooperation between the pin shaft and the mounting holes (including hinge holes and sliding holes) on the side plates. The electronic equipment can be directly arranged on the bottom plate through the maintenance window, and then the bottom plate is rotated to the horizontal state, ensuring that there is a large installation space below the electronic equipment, facilitating the continued installation of other equipment, greatly increasing the flexibility and adaptability of the equipment mounting bracket in engineering applications, effectively improving the utilization rate of the on-board space, and not requiring the maintenance window to be set near the top position, avoiding reducing the strength of the cabin body.

[0008] Further, a boss is provided on the side wall of the pin shaft, and a sector-shaped groove is provided on the side of the bottom plate. When the boss swings from one end of the sector-shaped groove to the other end, the tail of the pin shaft can enter the sliding hole from the hinge hole.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0010] By swinging the boss within the range of the sector-shaped groove, the rotation angle of the boss can be accurately controlled, and then the state of the cut surface of the pin shaft can be accurately controlled. When the cut surface is adjusted to be parallel to the inner wall of the sliding hole, the cut surface can be pushed into the sliding hole.

[0011] Further, a slotted hole for the boss to pass through is provided on the inner wall of the pin hole.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] When inserting the pin shaft into the pin hole, through the slotted hole, a space for accommodating the boss can be provided, ensuring that the pin shaft can be smoothly inserted into the pin hole.

[0014] Further, the fan surface of the sector-shaped groove is formed by rotating from the slotted hole in the circumferential direction. When the boss rotates from the slotted hole to the other end of the sector-shaped groove, the tail of the pin shaft can enter the sliding hole.

[0015] Compared with the prior art, the advantages of the present invention are as follows:

[0016] After the pin shaft is inserted into the pin hole and the hinge hole, the boss is at one end of the sector-shaped groove (i.e., at the position of the straight groove), which is convenient for immediately adjusting the angle of the pin shaft after insertion and improves the adjustment efficiency.

[0017] Further, the head of the pin shaft is in a stop fit with the side wall of the bottom plate towards the tail. When the boss is located in the sector-shaped groove, the boss is in a stop fit with the bottom wall of the sector-shaped groove towards the head of the pin shaft.

[0018] Compared with the prior art, the advantages of the present invention are as follows:

[0019] Through the stop fit between the boss and the sector-shaped groove and the stop fit between the head of the pin shaft and the side wall of the bottom plate, the pin shaft can be prevented from disengaging from the pin hole.

[0020] Further, a retaining ring is sleeved on the wall of the pin shaft near the head. The retaining ring is in a non-rotating fit with the pin shaft, and the retaining ring axially stops on the circumferential outer wall of the pin shaft. The retaining ring is in a stop fit with the side wall of the bottom plate towards the tail of the pin shaft.

[0021] Compared with the prior art, the advantages of the present invention are as follows:

[0022] Through the stop fit between the retaining ring and the side wall of the bottom plate and the stop fit between the boss and the inner wall of the sector-shaped groove, the pin shaft can be axially locked in the pin hole.

[0023] Further, a handle structure is arranged on the outer wall of the retaining ring. By rotating the handle structure, the pin shaft can drive the boss to swing in the sector-shaped groove and drive the tail of the pin shaft to rotate in the hinge hole.

[0024] Compared with the prior art, the advantages of the present invention are as follows:

[0025] The retaining ring is designed with a handle structure, which is convenient for operation, and thus convenient for the fixing and disassembly of the pin shaft and the bottom plate (on which an electronic device is installed).

[0026] Further, the side plate is arranged on the bottom support in the cabin body through a vibration isolator.

[0027] Compared with the prior art, the advantages of the present invention are as follows:

[0028] Through the vibration isolator, the influence of the vibration of the cabin body on the electronic device is reduced.

[0029] Further, a slope for supporting the bottom plate in the tilting state is arranged at the top of the front end of the bottom support.

[0030] Compared with the prior art, the advantages of the present invention are as follows:

[0031] The slope surface provided with the bottom support provides a clearance space for the bottom plate when the bottom plate tilts downward, and supports the bottom plate, providing better stability for the installation of the electronic device on the bottom plate.

[0032] Further, screw mounting holes corresponding to each other are provided on the bottom plate and the side plate. When the tail of the pin shaft slides to the rear end of the sliding fit hole, the screw mounting holes of the bottom plate and the side plate are aligned, and the fixing screw passes through the corresponding screw mounting holes on the bottom plate and the side plate to realize the relative fixation of the bottom plate and the side plate.

[0033] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0034] The bottom plate is completely fixed on the side plate by the fixing screw.

[0035] Further, guide rails extending along the insertion direction of the electronic device are provided on both sides of the upper surface of the bottom plate, a baffle is provided at the rear end of the bottom plate, and a guide pin for inserting into the guide pin hole on the electronic device is provided on the baffle.

[0036] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0037] The electronic device is accurately installed on the bottom plate through guiding structures such as guide rails and guide pins.

[0038] Further, a locking device for locking the electronic device is provided at the front end of the bottom plate.

[0039] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0040] After the electronic device is fixed on the bottom plate by the locking device, it is convenient to subsequently rotate the bottom plate and install it on the side plate.

[0041] Further, a limiting plate is provided at the bottom of the front end of the bottom plate. After the limiting plate abuts against the bottom of the side plate, the bottom plate is in a horizontal state.

[0042] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0043] When the bottom plate is rotated, the bottom plate is limited by the limiting plate to ensure that the bottom plate is in a horizontal state, and subsequently the bottom plate can be smoothly pushed to accurately insert the tail of the pin shaft into the sliding fit hole.

[0044] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following preferred embodiments are specifically given and described in detail in conjunction with the accompanying drawings. Description of the Drawings

[0045] Figure 1Schematic three-dimensional view of an example of a tiltable equipment mounting bracket of the present invention, which is arranged in a cabin and mounts an electronic device;

[0046] Figure 2 is Figure 1 front view;

[0047] Figure 3 is Figure 1 exploded view;

[0048] Figure 4 is Figure 3 schematic view of the middle bottom plate;

[0049] Figure 5 is Figure 4 enlarged view of part A in;

[0050] Figure 6 is Figure 3 schematic view of the middle side plate;

[0051] Figure 7 is Figure 6 enlarged view of part B in;

[0052] Figure 8 is Figure 3 enlarged view of the pin shaft in;

[0053] Figure 9 is Figure 3 schematic view when the pin shaft is inserted into the bottom plate;

[0054] Figure 10 is Figure 9 schematic view of the pin shaft insertion process;

[0055] Figure 11 is Figure 10 enlarged view of part C in;

[0056] Figure 12 is Figure 9 enlarged view of part D in;

[0057] Figure 13 is Figure 9 schematic view when the bottom plate in is installed on the side plate and the pin shaft is aligned with the mounting hole on the side plate;

[0058] Figure 14 is Figure 13 enlarged view of part E in;

[0059] Figure 15 is Figure 9 schematic view when the bottom plate in is installed on the side plate and the pin shaft is inserted into the mounting hole on the side plate;

[0060] Figure 16Schematic diagram of the pin rotating 90° after being inserted into the mounting hole on the side plate;

[0061] Figure 17 Schematic diagram of the pin rotating to the horizontal state in the mounting hole;

[0062] Figure 18 For Figure 1 Schematic diagram of the equipment mounting frame being mounted on the bottom support inside the cabin through vibration isolators;

[0063] Figure 19 For Figure 3 Side view of the bottom plate rotating 10° along the pin;

[0064] Figure 20 For Figure 19 Front view;

[0065] Figure 21 For placing Figure 3 The electronic equipment in is placed on the bottom plate;

[0066] Figure 22 For placing Figure 3 The electronic equipment in is inserted into the equipment mounting frame along the guiding mechanism;

[0067] Figure 23 Schematic diagram of the bottom plate rotating around the pin to the horizontal position;

[0068] Figure 24 Schematic diagram of horizontally pushing the bottom plate along the mounting holes of the left side plate and the right side plate through the pin;

[0069] Figure 25 Schematic diagram of the pin being in the hinge hole of the mounting hole;

[0070] Figure 26 Schematic diagram of the pin being in the sliding fit hole of the mounting hole;

[0071] Figure 27 Schematic diagram of connecting the bottom plate and the side plate with screws.

[0072]

Reference Signs

[0073] 1 - Cabin,

[0074] 101 - Bottom support, 102 - Maintenance window, 103 - Top of the maintenance window, 104 - Slope structure,

[0075] 2 - Electronic equipment,

[0076] 201 - Edge of the electronic equipment in the height direction,

[0077] 3 - Bottom plate,

[0078] 301 - Pin hole, 302 - Slotted screw, 303 - Sector slot, 304 - Side, 305 - Guide rail, 306 - Guide pin, 307 - Baffle, 308 - Class A lock, 309 - Limit plate, 310 - Pulling plate,

[0079] 4 - Side plate,

[0080] 401 - Left side plate, 402 - Right side plate, 403 - Mounting hole, 404 - Hinge hole, 405 - Slide - fitting hole, 406 - Front connecting plate, 407 - Rear connecting plate,

[0081] 5 - Pin shaft,

[0082] 501 - Boss, 502 - Cutting plane,

[0083] 6 - Retaining ring,

[0084] 601 - Handle structure,

[0085] 7 - Vibration isolator,

[0086] 8 - Fixing screw,

[0087] 9 - Nut. Detailed implementation mode

[0088] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0089] An embodiment of an adjustable tilting device mounting bracket of the present invention, as Figures 1 to 8 shown, hereinafter referred to as the device mounting bracket. The device mounting bracket includes a bottom plate 3, side plates 4, and a pin shaft 5. This device mounting bracket is used for inserting and fixing an electronic device 2 and fixing the electronic device 2 in the cabin 1. The insertion direction of the electronic device 2 relative to the side plate 4 is used as the front - to - rear direction for description.

[0090] On both the left and right sides of the bottom plate 3, there are side edges 304 extending downward, and the side edges 304 on both sides are symmetrical. At the rear end of the side edge 304, there is a circular pin hole 301. The inner wall of the pin hole 301 is horizontally provided with a straight groove 302, and the straight groove 302 forms two grooves on the inner wall of the pin hole 301. On the wall body where the outer end of the pin hole 301 is located, two sector grooves 303 are circumferentially distributed. The fan surface of the sector groove 303 rotates 90° in the circumferential direction starting from the straight groove 302, that is, the angle between the two side walls of the sector groove 303 is 90°. Since the straight groove 302 forms two grooves on the inner wall of the pin hole 301, two sector grooves 303 are formed on the inner wall of the pin hole 301. In other embodiments, the angle between the two side walls of the sector groove 303 is not limited to 90°, and can be 60°, 120°, etc.

[0091] The side plate 4 includes a left side plate 401 and a right side plate 402. The bottom plate 3 is installed between the left side plate 401 and the right side plate 402. The left side plate 401 and the right side plate 402 are symmetrically arranged left and right. The front and rear ends of the left side plate 401 and the right side plate 402 are respectively connected into a whole through corresponding connecting plates. Among them, the front connecting plate 406 is located at the top of the front ends of the left side plate 401 and the right side plate 402 to avoid interference when inserting the electronic device 2; the rear connecting plate 407 is located on the side walls at the rear ends of the left side plate 401 and the right side plate 402 to block the electronic device 2 backward.

[0092] At the rear end of the side plate 4, there is an installation hole 403. The installation hole 403 includes a hinged hole 404 and a sliding hole 405 that communicate with each other. The sliding hole 405 is located behind the hinged hole 404 and extends horizontally (that is, extends in the front-rear direction). In this embodiment, the hinged hole 404 is a circular hole, and the sliding hole 405 is a waist-shaped hole.

[0093] A retaining ring 6 is sleeved on one side of the pin shaft 5 close to its head. A handle structure 601 is provided on the outer side wall of the retaining ring 6. The retaining ring 6 and the pin shaft 5 are non-rotatingly fitted. By operating the handle structure 601, the retaining ring 6 can drive the pin shaft 5 to rotate. In this embodiment, on the circumferential side wall of the pin shaft 5 close to the head, planes are symmetrically cut out to form key grooves. The inner hole shape of the retaining ring 6 matches the side wall of the pin shaft 5 close to the head, that is, a flat key protrudes in the inner hole of the retaining ring 6, and the flat key is nested in the key groove. By rotating the retaining ring 6, the pin shaft 5 can be driven to rotate; a threaded connection section is provided at the head of the pin shaft 5, and a nut 9 is threadedly connected to the threaded connection section, thereby preventing the retaining ring 6 from falling off the head. Axial blocking of the retaining ring 6 towards the head is achieved through the nut 9, and axial blocking of the retaining ring 6 towards the tail is achieved through the step formed by the plane cut out on the circumferential side wall, thereby realizing circumferential and axial limiting of the retaining ring 6.

[0094] Two symmetrical and parallel cut surfaces 502 are provided on the circumferential side wall of the tail of the pin shaft 5, and two symmetrical bosses 501 are provided on the circumferential side wall of the pin shaft 5 close to the cut surface 502. The two bosses 501 are located on the same straight line perpendicular to the axis of the pin shaft, and the bosses 501 and the corresponding cut surfaces 502 are located on the same generatrix of the pin shaft, so that the angle between the bosses 501 and the corresponding cut surfaces 502 is 90°. In other embodiments, the angle between the bosses 501 and the corresponding cut surfaces 502 is not limited to 90°, and can also be other angles, such as 60° or 120°.

[0095] The diameter of the pin shaft 5 matches the diameter of the pin hole 301, so that the pin shaft 5 can rotate in the pin hole 301. The width of the boss 501 in the radial section matches the slot 302, so that the boss 501 can slide in the slot 302. The protruding height of the boss 501 matches the radius of the fan-shaped slot 302, and the axial length of the boss 501 matches the axial depth of the fan-shaped slot 302, so that the boss 501 can swing in the fan-shaped slot 302.

[0096] The diameter of the hinge hole 404 of the mounting hole 403 matches the diameter of the pin 5, so that the pin 5 can be inserted into the hinge hole 404 and rotate in the hinge hole 404. The spacing between the two cut surfaces 502 at the tail of the pin 5 matches the width of the sliding hole 405, so that the tail where the two cut surfaces 502 are located can slide in the sliding hole 405.

[0097] like Figure 10 , Figure 11 As shown, the tail of the pin 5 is inserted into the mounting hole 403 from the inner side of the side edge 304, and the tail end surface of the pin 5 is flush with the outer surface of the side edge 304, or the tail end surface of the pin 5 is located on the inner side of the mounting hole 403, as shown in FIG. Figure 9 , Figure 12 When the pin 5 is inserted into the mounting hole 403, the boss 501 is aligned with the slot 302 so that the pin 5 can be inserted smoothly.

[0098] The bottom plate 3 is arranged between the two side plates 4, and the pin shaft 5 is aligned with the mounting hole 403 of the corresponding side plate. Furthermore, the pin shaft 5 is aligned with the hinge hole 404. Figure 13 , Figure 14 As shown. Figure 15 As shown, the tail of the pin shaft 5 is inserted into the hinge hole 404 of the mounting hole 403. At this time, the boss 501 is in the fan-shaped groove 303. Then, the handle structure 601 of the retaining ring 6 is held and the handle structure 601 is moved to drive the pin shaft 5 to rotate, thereby causing the boss 501 to swing from one end to the other end in the fan-shaped groove 303. When the boss 501 rotates in the corresponding fan-shaped groove 303 until it abuts against the side wall surface of the fan-shaped groove 303, it is considered to be in place. At this time, the cut surface 502 is in a horizontal state, as shown in FIG. Figure 16 , Figure 17As shown, the tail of the pin shaft 5 can horizontally move within the sliding fit hole 405.

[0099] When the tail of the pin shaft 5 is within the hinge hole 404, regardless of whether the tail of the pin shaft is in a horizontal state, a vertical state, or between the two states, the bottom plate 3 can rotate relative to the axis of the pin shaft 5 or together with the pin shaft 5 around the axis of the hinge hole 404.

[0100] When the tail of the pin shaft 5 is in a horizontal state, at this time the boss 501 is offset from the slotted hole 302. Through the blocking fit between the retaining ring 6 and the inner surface of the side 304, and the blocking fit between the boss 501 and the inner wall of the sector-shaped groove 303, the pin shaft 5 is axially blocked and limited within the mounting hole 403 and the pin hole 301.

[0101] As Figure 4 shown, on both sides of the upper surface of the bottom plate 3, guide rails 305 extending along the insertion direction of the electronic device 2 are respectively provided, which play a guiding role in the insertion of the electronic device 2. A baffle 307 is provided at the rear end of the bottom plate 3. Guide pins 306 are respectively provided on the left and right sides of the baffle 307, which are used for inserting into the guide pin holes at the rear end of the electronic device 2 to achieve precise insertion.

[0102] Two type-A locking devices 308 are provided at the front end of the bottom plate 3. After the electronic device 2 is inserted in place, the type-A locking devices 308 are used to fix the electronic device 2 on the bottom plate 3.

[0103] A limiting plate 309 is horizontally provided at the bottom of the front end of the side 304. The limiting plate 309 extends outward. After the bottom plate 3 is installed between the two side plates 4, when installing the electronic device 2, the bottom plate 3 is pulled out and tilted, and after the electronic device 2 is installed on the bottom plate, the bottom plate 3 is rotated until the limiting plate 309 abuts against the bottom end of the outer side plate 4. At this time, the bottom plate 3 is in a horizontal state.

[0104] A pulling plate 310 extending downward is provided at the front end of the bottom plate 3, which is used to pull the bottom plate 3 outward.

[0105] As Figure 1 、 Figure 2 、 Figure 6 shown, vibration isolators 7 are provided at the bottoms of the front and rear ends of both side plates. The equipment mounting frame is installed on the bottom support 101 within the cabin body 1 through the vibration isolators 7, as Figure 18 shown.

[0106] After installing the equipment mounting rack in the cabin 1, due to the requirements for the strength of the cabin 1, the maintenance window 102 of the cabin 1 is located near the middle position of the front end face of the cabin 1. And since the installation positions of other equipment in the cabin 1 need to be close to the bottom of the cabin 1 to achieve the integrated setting of the equipment, therefore, the electronic device 2 is supported by the bottom support 101 at a position close to the top of the cabin 1. At this time, since a part of the edge 201 in the height direction of the electronic device is located above the top end 103 of the maintenance window, it is difficult to directly install the electronic device 2. Through the equipment mounting rack of the present invention, the quick installation of the electronic device 2 can be realized.

[0107] When installing the electronic device 2, the tail of the pin shaft 5 is in the hinge hole 404, making the bottom plate 3 in a tiltable state. First, tilt the bottom plate 3 by 10° to reduce the height of the front end of the bottom plate 3, as Figure 19 、 Figure 20 shown. Then insert the electronic device 2 onto the bottom plate 3. At this time, it can be directly inserted onto the bottom plate 3 through the maintenance window 102, as Figure 21 、 Figure 22 shown. After the electronic device 2 is inserted in place, use the type-A lock 308 to lock the electronic device 2 on the bottom plate 2.

[0108] Then rotate the bottom plate 3 by 10° to make the bottom plate 3 in a horizontal state, as Figure 23 shown. At this time, the tail of the pin shaft 5 is in a horizontal state, as Figure 25 shown. Then horizontally push the bottom plate 3, and the bottom plate 3 drives the pin shaft 5 to move horizontally in the sliding hole 405 of the mounting hole 403 until it moves to the rear end of the mounting hole 403, as Figure 24 、 Figure 26 shown. At this time, due to the circumferential limit of the sliding hole 405 on the pin shaft 5, the rotation of the bottom plate 3 between the side plates 4 can be prevented.

[0109] The front end of the side 304 of the bottom plate 3 is provided with a screw mounting hole. Correspondingly, the front end of the side plate 4 is also provided with a screw mounting hole. After the bottom plate 3 drives the pin shaft 5 to move to the rear end of the mounting hole 403, the screw mounting hole on the side 304 is aligned with the screw mounting hole on the side plate 4. Use the fixing screw 8 to pass through the screw mounting hole to fix the bottom plate 3 and the side plate 4, completing the installation.

[0110] To facilitate the smooth downward rotation of the bottom plate 3, the top of the front end of the bottom support 101 in the cabin 1 has a downward-sloping gradient structure 104 to avoid the rotation of the bottom plate 3 and support the bottom plate 3 during the installation of the electronic device 2 to ensure the stability of the bottom plate 3 when the electronic device 2 is installed. In this embodiment, the gradient structure 104 of the bottom support 101 supports and cooperates with the limiting plates 309 on both sides of the bottom plate 3.

[0111] To facilitate the fitting and installation of the side plate 4 with other structures, a protrusion protruding outward is provided at the edge of the side plate 4. The connecting plate and the vibration isolator 7 are installed on the protrusion, and the limiting plate 309 is in blocking cooperation with the protrusion to keep the bottom plate 3 in a horizontal state.

[0112] When the bottom plate 3 rotates within the side plate 4 through the pin shaft 5, the tail of the pin shaft 5 rotates within the hinge hole 404. At this time, the bottom plate 3 is in a state where it can be tilted (tilt position), and the electronic device 2 can be installed on the tilted bottom plate 3; during the rotation of the bottom plate 3, the orientation of the cut surface 502 can be adjusted. When the cut surface 502 is parallel to the inner wall of the sliding fit hole 405, the pin shaft 5 can be pushed into the sliding fit hole 405 to make the bottom plate 3 in a horizontal push-pull state (horizontal position). At this time, the electronic device 2 can be pushed into the side plate, and the bottom plate 3 can be fixed to the side plate 4.

[0113] The installation process of the equipment mounting rack and the electronic device 2 is summarized as follows:

[0114] 1) First, horizontally insert the retaining ring 6 and the pin shaft 5 into the pin holes 301 at the corresponding positions on the bottom plate 3, and make the end face of the tail of the pin shaft 5 flush with the outer side of the side edge 304 of the bottom plate 3. The position of the pin shaft 5 on the bottom plate 3 is as shown in Figure 9 、 Figure 12 shown.

[0115] 2) Install the bottom plate 3 between the left side plate 401 and the right side plate 402 of the equipment mounting rack. Align the pin shaft 5 on the bottom plate 3 with the corresponding mounting holes 403 on the left side plate 401 and the right side plate 402, as shown in Figure 1 3、 Figure 14 shown; after inserting the pin shaft 5 into the corresponding mounting hole 403 of the side plate, rotate the pin shaft 5 through the retaining ring 6 and turn the pin shaft 5 to the horizontal state. Then, through the cooperation between the retaining ring 6, the pin shaft 5 and the side edge 304, axially limit the pin shaft 5 within the mounting hole 403. The rotation process of the pin shaft 5 is schematically shown in Figure 15 、 Figure 1 6、 Figure 17 shown.

[0116] 3) Connect the equipment mounting rack to the bottom support 101 of the on-board cabin body 1 through 4 vibration isolators and fasten with screws, as shown in Figure 18 shown.

[0117] 4) Rotate the bottom plate 3 of the equipment mounting rack downward about 10° around the center of the pin shaft 5, place the electronic device 2 on the bottom plate 3 for pre-positioning through guiding mechanisms such as the guide rail 305 and the guide pin 306, and then lock the electronic device 2 through the type A lock 308. The process is as shown in Figure 19 、 Figure 20 、 Figure 21 、 Figure 22 shown.

[0118] 5) Rotate the bottom plate 3 of the equipment mounting bracket upward by 10° around the center of the pin shaft 5 to the horizontal position, and horizontally push the bottom plate 3 along the mounting holes 403 on the left side plate 401 and the right side plate 402 through the pin shaft 5, as Figure 23 , Figure 25 shown. After being pushed in place, the state is as Figure 24 , Figure 26 shown.

[0119] 6) After the bottom plate 3 of the equipment mounting bracket is pushed in place, the limiting plates 309 on both sides of the bottom plate 3 abut against the protrusions protruding outward at the bottoms of the left side plate 401 and the right side plate 402 to limit the bottom plate 3, so that the bottom plate 3 is in a horizontal state, and the bottom plate 3 is fixed to the left side plate 401 and the right side plate 402 by fixing screws 8, as Figure 27 shown.

[0120] When disassembling and maintaining the electronic device 2 and the equipment mounting bracket, the sequence is opposite to the above installation sequence, which will not be elaborated here.

[0121] The beneficial effects of the present invention are summarized as follows:

[0122] 1) When installing the electronic device 2 on the bottom plate 3 of the equipment mounting bracket, the tilting of the bottom plate 3 is realized through the cooperation between the pin shaft 5 and the mounting holes 403 on the side plate 4, so that the electronic device 2 can directly pass through the maintenance window and be arranged on the bottom plate 3, and then the bottom plate 3 is rotated and lifted to the horizontal state (horizontal position), ensuring that there is a large installation space below the electronic device 2, facilitating the continued installation of other devices, greatly increasing the flexibility and adaptability of the equipment mounting bracket in engineering applications, effectively improving the utilization rate of the on-board space, and not requiring the maintenance window to be set near the top position, avoiding reducing the strength of the cabin body 1.

[0123] 2) Design the front top of the bottom support 101 at the bottom of the cabin body 1 into a slope structure 104 with a certain downward slope, which is convenient for the bottom plate 3 to rotate downward by 10° and then the bottom support 101 and the bottom plate 3 are in surface contact, which is beneficial to the stability during the subsequent installation of the electronic device 2.

[0124] 3) Design the tail end of the pin shaft 5 into a cylindrical shape and set a structure with parallel cutting surfaces on its cylindrical shape, which is beneficial for the bottom plate 3 to rotate 10° to the horizontal state and then horizontally move along the mounting holes 403 (sliding fit holes 405, hinge holes 404) of the side plate, mainly used to assist the horizontal positioning installation of the bottom plate 3 and limit the bottom plate 3 in the front-rear direction to prevent the bottom plate 3 from slipping out of the side plate.

[0125] 4) Design the retaining ring 6 into a structure 601 with a handle, so as to facilitate the quick rotation of the cutting surface 502 of the pin shaft 5 to the position where the cutting surface 502 and the sliding fit hole 405 can slide in the front-rear direction, and also facilitate the fixing and disassembly of the pin shaft 5 and the bottom plate 3 (on which the electronic device 2 is installed).

[0126] 5) Design two bosses 501 on the guide pin 5. Its cooperation with the pin hole structure, the single-slot 302, and the sector slot 303 of the bottom plate 3 can achieve the limiting function in the left and right directions, and then the snap ring 6 is used to lock the bottom plate 3 and the pin shaft 5 axially.

[0127] In other embodiments of the present invention, based on the above embodiments, the snap ring 6 and the pin shaft 5 can be integrally provided, or the snap ring 6 can be removed, and relying on the nut structure at the head of the pin shaft, the stop cooperation with the inner side surface of the side plate 4 is achieved, and the installation and rotation of the pin shaft 5 are operated through the nut structure.

[0128] In other embodiments of the present invention, based on the above embodiments, the bosses 501 on the pin shaft 5 can be removed. Correspondingly, the single-slot 302 and the sector slot 303 in the pin hole 301 can be removed. During installation, the pin shaft 5 is inserted into the pin hole 301 and its tail is located inside the pin hole, then the pin shaft 5 is aligned with the mounting hole 403 and inserted into the hinge hole 404. After the electronic device 2 is installed on the bottom plate 3, the pin shaft 5 is rotated to make the cut surface 502 in a horizontal state and can be inserted into the sliding fit hole 505, and then the bottom plate 3 is fixed to the side plate 4 by screws.

[0129] In other embodiments of the present invention, based on the above embodiments, the hinge hole 404 and the sliding fit hole 405 can be blind holes with openings facing inward.

[0130] In other embodiments of the present invention, based on the above embodiments, the type-A lock can be replaced with a type-B lock or other locks.

[0131] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tiltable equipment mounting frame, comprising side panels (4) arranged opposite to each other and a bottom panel (3) slidably mounted between the side panels (4), the bottom panel (3) being used to mount an electronic device (2), characterized in that: Pin holes (301) are provided on both sides of the bottom plate (3), and a pin shaft (5) is rotatably arranged in the pin hole (301). A hinge hole (404) and a sliding hole (405) located on one side of the hinge hole (404) and connected to the hinge hole (404) are provided on the side plate (4). The sliding hole (405) extends in the front-to-back direction, and a cut surface (502) is provided at the tail of the pin shaft (5); the bottom plate (3) rotates relative to the side plate (4) along the pin shaft (5) so that the bottom plate (3) has a tilting position and a horizontal position during its movement. When the bottom plate (3) is in the tilting position, the tail of the pin shaft (5) is rotatably arranged in the hinge hole (404); when the bottom plate (3) is in the horizontal position, the cut surface at the tail of the pin shaft (5) can slide with the inner wall of the sliding hole (405) in the front-to-back direction and restrict the bottom plate (3) from rotating from the horizontal position to the tilting position.

2. The tiltable equipment mounting frame according to claim 1, characterized in that: A boss (501) is provided on the side wall of the pin shaft (5), and a fan-shaped groove (303) is provided on the side of the bottom plate (3). When the boss (501) swings from one end of the fan-shaped groove (303) to the other end, the tail of the pin shaft (5) can enter the sliding hole (405) from the hinge hole (404).

3. The tiltable equipment mounting frame according to claim 2, characterized in that: The inner wall of the pin hole (301) is provided with a straight groove (302) for the boss (501) to pass through.

4. The tiltable equipment mounting frame according to claim 3, characterized in that: The fan surface of the fan-shaped groove (303) is formed by rotating from the straight groove (302) in the circumferential direction. When the boss (501) rotates from the straight groove (302) to the other end of the fan-shaped groove (303), the tail of the pin shaft (5) can enter the sliding hole (405).

5. The tiltable equipment mounting frame according to claim 2, characterized in that: The head of the pin shaft (5) is stopped and fitted on the side wall of the bottom plate (3) toward the tail, and when the boss (501) is located in the fan-shaped groove (303), the boss (501) is stopped and fitted on the bottom wall of the fan-shaped groove (303) toward the head of the pin shaft (5).

6. The tiltable equipment mounting frame according to claim 5, characterized in that: A retaining ring (6) is sleeved on the wall of the pin shaft (5) close to the head, the retaining ring (6) and the pin shaft (5) are engaged to prevent rotation, and the retaining ring (6) is axially stopped on the circumferential outer wall of the pin shaft (5), and the retaining ring (6) is engaged on the side wall of the bottom plate (3) toward the tail of the pin shaft (5).

7. The tiltable equipment mounting frame according to claim 6, characterized in that: The outer wall of the retaining ring (6) is provided with a handle structure (601). By rotating the handle structure (601), the pin shaft (5) can drive the boss (501) to swing in the fan-shaped groove (303) and drive the tail of the pin shaft (5) to rotate in the hinge hole (404).

8. The tiltable equipment mounting frame according to claim 1, characterized in that: The side plate (4) is arranged on a bottom support (101) inside the cabin (1) via a vibration isolator (7).

9. The tiltable equipment mounting frame according to claim 8, characterized in that: The top of the front end of the bottom support (101) is provided with a slope (104) for supporting the bottom plate (3) in a tilted state.

10. The tiltable equipment mounting frame according to claim 1, characterized in that: The bottom plate (3) and the side plate (4) are provided with screw mounting holes corresponding to each other. When the tail of the pin shaft (5) slides to the rear end of the sliding hole (405), the screw mounting holes of the bottom plate (3) and the side plate (4) are aligned, and the fixing screws (8) pass through the corresponding screw mounting holes on the bottom plate (3) and the side plate (4) to achieve relative fixation of the bottom plate (3) and the side plate (4).

11. The tiltable equipment mounting frame according to claim 1, characterized in that: Guide rails (305) extending in the direction of insertion of the electronic device are provided on both sides of the upper surface of the bottom plate (3); a baffle (307) is provided at the rear end of the bottom plate (3); and guide pins (307) for inserting into guide pin holes on the electronic device (2) are provided on the baffle (307).

12. The tiltable equipment mounting frame according to claim 1, characterized in that: The front end of the base plate (3) is provided with a locking device for locking the electronic device (2).

13. The tiltable equipment mounting frame according to claim 1, characterized in that: A limiting plate (309) is provided at the bottom of the front end of the bottom plate (3); after the limiting plate (309) abuts against the bottom of the side plate (4), the bottom plate (3) is in a horizontal state.

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