Case vibration clamp
By designing a chassis vibration fixture and adopting a detachable fixing structure and shock absorbers, the problem of fixing multiple chassis in the cabinet during vibration testing is solved, stability and protection effects are achieved, and the reliability of vibration detection is improved.
Patent Information
- Application Number
- CN202422622629.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-29
AI Technical Summary
Existing cabinets are difficult to effectively fix multiple chassis with different vibration requirements during vibration testing, and lack flexibility and protective measures.
A chassis vibration fixture is designed, which adopts a detachable fixing structure and shock absorber. The buckle seat cooperates with the mounting plate to ensure the stability and firm connection of the chassis during vibration. The weight matching is adjusted by the shock absorber to buffer the vibration impact.
It achieves stable fixation and protection of the chassis during vibration testing, ensures the normal operation of vibration detection, reduces the risk of chassis scratches, and improves installation flexibility and safety.
Smart Images

Figure CN223346392U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fixture equipment, and in particular relates to a chassis vibration fixture. Background Art
[0002] The primary function of a cabinet is to store computer chassis and related control equipment, providing protection for these devices, shielding them from electromagnetic interference, and arranging them in an orderly and neat manner for easy maintenance. Cabinets are typically constructed from cold-rolled steel or alloys, offering features such as waterproofing, dustproofing, and electromagnetic interference protection. They can be used to manage and protect a wide variety of computer chassis and electronic equipment. However, cabinets are large, often housing at least five computer chassis or other electronic equipment. The vibration requirements of each device may vary, and most products require vibration testing before installation. Therefore, a separate fixture is required for vibration testing. Summary of the Invention
[0003] The purpose of this utility model is to provide a chassis vibration fixture to solve the above problems.
[0004] To achieve the above objectives, the present invention adopts the following technical solutions: a chassis vibration fixture, arranged above a vibration table, comprising two parallel fixing plates detachably connected to the upper end of the vibration table, the fixing plates being arranged horizontally, two parallel support plates being arranged between the two fixing plates, the support plates being arranged horizontally, shock-absorbing fixing members connected to the fixing plates at each end of the support plates, side panels connected to the shock-absorbing fixing members on the corresponding sides of the two fixing plates, the side panels being arranged vertically and parallel to each other, a mounting space for the chassis being placed between the side panels, the side panels being connected to the chassis via a detachable fixing structure, mounting plates being provided at corresponding ends of the two side panels, and the mounting plates being connected to the chassis via a connecting assembly. The sides of the chassis are fixed by the detachable fixing structure, and the front face of the chassis is fixed by the connecting assembly, so that the chassis can be flexibly disassembled and easily installed. The side panels and the support plates have flexible gaskets on their contact surfaces with the chassis to prevent scratches on the chassis.
[0005] In the aforementioned chassis vibration fixture, the shock-absorbing fixture includes a shock absorber, which is removably mounted on the upper end of the fixing plate. An angle iron piece is provided at the upper end of the shock absorber, and the end of the support plate is positioned between the shock absorber and the angle iron piece. The shock absorbers provide a buffering effect, and each load is approximately equal to one-quarter of the total weight. If the chassis is too heavy or too light, the four shock absorbers can be replaced to match the weight.
[0006] In the aforementioned chassis vibration fixture, the angle iron piece has a vertical connection on one side, a horizontal connection at its lower end, and several reinforcing plates between the vertical and horizontal connections. Two support plates, two side plates, and four angle iron pieces form the fixture's overall backbone, providing support and connection.
[0007] In the above-mentioned chassis vibration fixture, the horizontal connecting portion is connected to the support plate, the vertical connecting portion is connected to the side plate, the support plate and the side plate are in a vertical structure and the above-mentioned installation space is formed between the support plate and the side plate.
[0008] In the aforementioned chassis vibration fixture, the detachable fixing structure includes a plurality of snap-on seats disposed on the upper sides of the side panels. Each end of the snap-on seats is provided with snap-on seat connection holes for connecting to the side panels. A case fixing slot is provided in the middle of the snap-on seat. A snap member is provided at the upper end of the case fixing slot via a detachable fixing assembly to close the upper end of the case fixing slot. Furthermore, a plurality of case mounting shafts corresponding to the case fixing slots are provided on either side of the chassis. The case mounting shafts are mounted within the case fixing slots, and the snap-on seats secure the chassis to the side panels via fasteners.
[0009] In the aforementioned chassis vibration fixture, the removable fixing assembly includes a movable portion disposed on one side of the chassis fixing slot and a fixed portion disposed on the other side. One end of the fastener is movably connected to the movable portion via a screw connection assembly, and the other end is connected to the upper end of the fixed portion via a captive screw. The chassis fixing slot is formed between the fixed portion, the movable portion, and the fastener. By tightening the captive screw, the fastener can be adjusted to secure the chassis to the chassis mounting shaft.
[0010] In the above-mentioned chassis vibration clamp, the screw connection assembly has a flat head screw, one end of the flat head screw is sleeved with a nut, a flat washer is provided between the nut and the movable part, and a spring washer is provided between the flat washer and the nut.
[0011] In the above-mentioned chassis vibration fixture, the lower end of the chassis is located at the upper end of the support plate, the two sides of the chassis correspond to the side panels respectively, one end of the chassis is provided with an end panel, the length of the end panel is greater than the width of the chassis, and both ends of the end panel are provided with handles respectively.
[0012] In the aforementioned chassis vibration fixture, one side of the mounting plate is fixedly connected to one end of the side panel, the mounting plate corresponds to the end of the end panel, and the connecting assembly includes a plurality of fixing bolts disposed between the mounting plate and the end panel. The mounting plate is used to connect and fix to the end panel of the chassis.
[0013] In the above-mentioned chassis vibration fixture, the shock absorber is a vehicle-mounted assembled vibration isolator, the lower end of the shock absorber is provided with a shock absorber connection portion connected to a fixed plate, the fixed plate is provided with a plurality of axially arranged fixing holes, and the fixed plate is connected to the vibration table through the fixing holes.
[0014] Compared with the existing technology, the advantages of this utility model are:
[0015] 1. The device fixes the chassis through a detachable fixing structure, which can ensure the stability of the chassis during vibration. At the same time, the mutual cooperation between the buckle seat and the mounting plate further ensures a firm connection between the chassis and the fixture.
[0016] 2. The device uses shock absorbers that can be replaced according to the weight of the chassis itself to match the weight, thereby ensuring the normal operation of vibration detection and also playing a certain protective role. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural diagram of the present utility model.
[0018] Figure 2 It is a structural diagram of the buckle seat in the utility model.
[0019] Figure 3 It is a structural schematic diagram of the utility model after the chassis is installed.
[0020] In the figure: fixing plate 1, fixing hole 11, support plate 2, shock-absorbing fixing part 3, shock absorber 31, angle iron part 32, vertical connecting part 33, horizontal connecting part 34, reinforcing plate 35, shock absorber connecting part 36, side panel 4, installation space 41, chassis 5, box mounting axis 51, end panel 52, portable part 53, detachable fixing structure 6, snap seat 61, snap seat connecting hole 62, box fixing groove 63, buckle 64, mounting plate 7, connecting assembly 8, fixing bolt 81, detachable fixing assembly 9, movable part 91, fixing part 92, screw connecting assembly 93, non-slip screw 94, flat head screw 95, nut 96, flat washer 97, spring washer 98. DETAILED DESCRIPTION
[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0022] like Figure 1-3As shown, a chassis vibration fixture is arranged above a vibration table. The fixture includes two fixing plates 1 that are detachably connected to and parallel to the upper end of the vibration table. The fixing plates 1 are arranged horizontally. Two support plates 2 are arranged parallel to each other between the two fixing plates 1. The support plates 2 are arranged horizontally. Shock-absorbing fixtures 3 connected to the fixing plates 1 are provided at each end of the support plates 2. Side panels 4 connected to the shock-absorbing fixtures 3 are provided on the corresponding sides of the two fixing plates 1. The side panels 4 are arranged vertically and parallel to each other. There is an installation space 41 for the chassis 5 between the side panels 4. The side panels 4 are connected to the chassis 5 by a detachable fixing structure 6. Mounting plates 7 are provided at the corresponding ends of the two side panels 4, and the mounting plates 7 are connected to the chassis 5 by a connecting assembly 8. The sides of the chassis 5 are fixed by the detachable fixing structure 6, and the front face of the chassis 5 is fixed by the connecting assembly 8. At the same time, the chassis 5 can be flexibly removed, and installation is simple and convenient. The side panels 4 and the support plates 2 have flexible gaskets on the contact surfaces with the chassis 5 to prevent the chassis 5 from being scratched.
[0023] like Figure 1 As shown, the shock-absorbing fixture 3 includes a shock absorber 31, which is detachably mounted on the upper end of the fixing plate 1. An angle iron piece 32 is provided on the upper end of the shock absorber 31, and the end of the support plate 2 is disposed between the shock absorber 31 and the angle iron piece 32. The shock absorber 31 is used for buffering, and each load is approximately equal to one-quarter of the total weight. If the weight of the chassis 5 is too heavy or too light, the four shock absorbers 31 can be replaced to match the weight.
[0024] The angle iron piece 32 has a vertical connection portion 33 on one side, a horizontal connection portion 34 at the lower end of the vertical connection portion 33, and several reinforcing plates 35 between the vertical connection portion 33 and the horizontal connection portion 34. The two support plates 2, the two side plates 4, and the four angle iron pieces 32 form the overall backbone of the clamp, providing support and connection.
[0025] Specifically, the horizontal connection portion 34 is connected to the support plate 2 , and the vertical connection portion 33 is connected to the side plate 4 . The support plate 2 and the side plate 4 are in a vertical structure, and the above-mentioned installation space 41 is formed between the support plate 2 and the side plate 4 .
[0026] Combine Figure 2 and Figure 3 As shown, the detachable fixing structure 6 includes a plurality of snap-on seats 61 disposed on the upper side of the side panel 4. Each end of the snap-on seat 61 is provided with a snap-on seat connection hole 62 connected to the side panel 4. A case fixing slot 63 is provided in the middle of the snap-on seat 61. The upper end of the case fixing slot 63 is provided with a buckle 64 that can close the upper end of the case fixing slot 63 via a detachable fixing assembly 9. Furthermore, a plurality of case mounting shafts 51 corresponding to the case fixing slots 63 are provided on both sides of the chassis 5. The case mounting shafts 51 of the case 5 are installed in the case fixing slots 63. The snap-on seats 61 are secured to the case 5 and the side panel 4 via the fasteners 64.
[0027] The removable fixing assembly 9 includes a movable portion 91 disposed on one side of the case fixing slot 63 and a fixed portion 92 on the other side. A fastener 64 is movably connected to the movable portion 91 at one end via a screw connection assembly 93 and connected to the upper end of the fixed portion 92 at the other end via a captive screw 94. The case fixing slot 63 is formed between the fixed portion 92, the movable portion 91, and the fastener 64. By tightening the captive screw 94, the locking of the fastener 64 can be adjusted, allowing it to be fixed to the case mounting shaft 51 on the chassis 5.
[0028] Specifically, the screw connection assembly 93 includes a flat head screw 95 , one end of which is sleeved with a nut 96 , a flat washer 97 is provided between the nut 96 and the movable portion 91 , and a spring washer 98 is provided between the flat washer 97 and the nut 96 .
[0029] like Figure 3 As shown, the lower end of the chassis 5 is located at the upper end of the support plate 2, and the two sides of the chassis 5 correspond to the side panels 4 respectively. An end panel 52 is provided at one end of the chassis 5, the length of the end panel 52 is greater than the width of the chassis 5, and a handheld portion 53 is provided at both ends of the end panel 52.
[0030] Among them, one side of the mounting plate 7 is fixedly connected to one end of the side panel 4, and the mounting plate 7 corresponds to the end of the end panel 52. The connecting assembly 8 includes a plurality of fixing bolts 81 provided between the mounting plate 7 and the end panel 52. The mounting plate 7 is used to be connected and fixed to the end panel 52 of the chassis 5.
[0031] like Figure 1 As shown, the shock absorber 31 is a vehicle-mounted assembled vibration isolator. The lower end of the shock absorber 31 is provided with a shock absorber connecting portion 36 connected to the fixing plate 1. The fixing plate 1 is provided with a plurality of axially arranged fixing holes 11, and the fixing plate 1 is connected to the vibration table through the fixing holes 11.
[0032] The principle of this embodiment is:
[0033] The snap seat 61 and the tower fastener 64 can complete the locked state and the open state through the detachable fixing component 9. The chassis 5 is placed in the installation space 41, and the box mounting shaft 51 on the chassis 5 is installed in the box fixing groove 63 of the snap seat 61. The snap seat 61 closes the box fixing groove 63 through the tower fastener 64 and the non-removable screw 94. At the same time, the end panel 52 on the chassis 5 is connected to the mounting plate 7 through the fixing bolts 81, thereby ensuring the stable connection of the chassis 5. After all the installation is completed, check whether it is loose. After confirmation, it can be placed on the vibration table for vibration test. The fixing plate 1 is fixed to the vibration table through the fixing hole 11.
[0034] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.
[0035] Although this document frequently uses terms such as fixing plate 1, fixing hole 11, support plate 2, shock-absorbing fixing member 3, shock absorber 31, angle iron member 32, vertical connecting portion 33, horizontal connecting portion 34, reinforcing plate 35, shock absorber connecting portion 36, side panel 4, installation space 41, chassis 5, chassis mounting shaft 51, end panel 52, handle 53, detachable fixing structure 6, snap seat 61, snap seat connecting hole 62, chassis fixing slot 63, buckle 64, mounting plate 7, connecting assembly 8, fixing bolt 81, detachable fixing assembly 9, movable portion 91, fixing portion 92, screw connecting assembly 93, non-slip screw 94, flat head screw 95, nut 96, flat washer 97, and spring washer 98, the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.
Claims
1. A chassis vibration fixture, arranged above a vibration table, characterized in that: The clamp comprises two fixing plates (1) which are detachably connected to the upper ends of the vibration table and are arranged in parallel. The fixing plates (1) are arranged horizontally in the horizontal direction. Two supporting plates (2) arranged in parallel with each other are arranged between the two fixing plates (1). The supporting plates (2) are arranged horizontally in the vertical direction. Shock-absorbing fixing members (3) connected to the fixing plates (1) are respectively provided at both ends of the supporting plates (2). Side plates (4) connected to the shock-absorbing fixing members (3) are provided on the corresponding sides of the two fixing plates (1). The side plates (4) are arranged vertically in the horizontal direction and in parallel with each other. There is an installation space (41) for placing a chassis (5) between the side plates (4). The side plates (4) are connected to the chassis (5) through a detachable fixing structure (6). A mounting plate (7) is provided at the corresponding end of the two side plates (4), and the mounting plate (7) is connected to the chassis (5) through a connecting component (8).
2. The chassis vibration fixture according to claim 1, characterized in that: The shock-absorbing fixing member (3) has a shock absorber (31), which is detachably arranged on the upper end of the fixing plate (1). An angle iron piece (32) is provided on the upper end of the shock absorber (31), and the end of the support plate (2) is arranged between the shock absorber (31) and the angle iron piece (32).
3. The chassis vibration fixture according to claim 2, characterized in that: A vertical connection portion (33) is provided on one side of the angle iron piece (32), a horizontal connection portion (34) is provided at the lower end of the vertical connection portion (33), and a plurality of reinforcing plates (35) are provided between the vertical connection portion (33) and the horizontal connection portion (34).
4. The chassis vibration fixture according to claim 3, characterized in that: The horizontal connection portion (34) is connected to the support plate (2), and the vertical connection portion (33) is connected to the side plate (4). The support plate (2) and the side plate (4) are in a vertical structure, and the above-mentioned installation space (41) is formed between the support plate (2) and the side plate (4).
5. A chassis vibration fixture according to claim 1, 2, 3 or 4, characterized in that: The detachable fixing structure (6) includes a plurality of snap seats (61) arranged on the upper side of the side panel (4), and snap seat connection holes (62) connected to the side panel (4) are respectively provided at both ends of the snap seat (61). A box fixing groove (63) is provided in the middle of the snap seat (61). The upper end of the box fixing groove (63) is provided with a buckle (64) capable of closing the upper end of the box fixing groove (63) through a detachable fixing component (9), and a plurality of box mounting shafts (51) corresponding to the box fixing groove (63) are respectively provided on both sides of the chassis (5).
6. The chassis vibration fixture according to claim 5, characterized in that: The detachable fixing assembly (9) includes a movable portion (91) arranged on one side of the box fixing groove (63), and a fixed portion (92) is provided on the other side. One end of the buckle (64) is movably connected to the movable portion (91) through a screw connection assembly (93), and the other end is connected to the upper end of the fixed portion (92) through a screw (94) that does not fall out. The box fixing groove (63) is formed between the fixed portion (92), the movable portion (91) and the buckle (64).
7. The chassis vibration fixture according to claim 6, characterized in that: The screw connection assembly (93) comprises a flat head screw (95), one end of which is sleeved with a nut (96), a flat washer (97) is provided between the nut (96) and the movable part (91), and a spring washer (98) is provided between the flat washer (97) and the nut (96).
8. The chassis vibration fixture according to claim 1, characterized in that: The lower end of the chassis (5) is located at the upper end of the support plate (2), and both sides of the chassis (5) correspond to the side panels (4) respectively. An end panel (52) is provided at one end of the chassis (5), and the length of the end panel (52) is greater than the width of the chassis (5), and both ends of the end panel (52) are provided with a handheld portion (53).
9. The chassis vibration fixture according to claim 8, characterized in that: One side of the mounting plate (7) is fixedly connected to one end of the side plate (4), the mounting plate (7) corresponds to the end of the end panel (52), and the connecting assembly (8) includes a plurality of fixing bolts (81) arranged between the mounting plate (7) and the end panel (52).
10. The chassis vibration fixture according to claim 2, characterized in that: The shock absorber (31) is a vehicle-mounted assembled vibration isolator. The lower end of the shock absorber (31) is provided with a shock absorber connecting portion (36) connected to the fixing plate (1). The fixing plate (1) is provided with a plurality of axially arranged fixing holes (11), and the fixing plate (1) is connected to the vibration table through the fixing holes (11).