A metal shell device vibration impact test fixture

Abstract

The utility model discloses a kind of metal shell device vibration impact test fixture, comprising: base and cover plate;Base upper surface is provided with U-shaped groove surface;Groove bottom surface is provided with two-stage ladder groove A;Cover plate is rectangular block, and it is closely fixed and assembled in U-shaped groove surface;The side surface of groove bottom surface that cover plate is connected is provided with two-stage ladder groove B;Metal shell device is closely assembled in the cavity formed by two-stage ladder groove A and two-stage ladder groove B. By closely assembled fixed base and cover plate provide a kind of test fixture special for metal shell device, test fixture structure is simple, reliability is high, easy to install, can satisfy to the vibration impact test of metal shell device. The fixture can realize the installation and fixation of various metal shell devices by adjusting the shape and size of the ladder groove.

Description

Technical Field

[0001] This utility model relates to the field of vibration and shock testing, and in particular to a vibration and shock testing fixture for metal housing devices. Background Technology

[0002] Vibration and shock testing is a commonly used mechanical testing method. Its main purpose is to evaluate the structure, function, and reliability of a product during transportation, use, or storage. It tests the product by simulating vibration and shock conditions in real-world environments, thereby understanding the product's resilience and durability.

[0003] Metal-cased devices are prone to structural damage when using conventional clamping methods due to their brittle nature. Therefore, specialized test fixtures are required to reliably secure such devices for vibration and shock testing without damaging their structure. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a vibration and shock test fixture for metal housing devices, which is able to meet the requirements for vibration and shock testing of metal housing devices. The test fixture has a simple structure, high reliability and is easy to install.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a vibration and impact test fixture for metal housing devices, comprising: a base and a cover plate.

[0006] The upper surface of the base is provided with a U-shaped groove; the U-shaped groove is composed of a bottom surface of one groove and two side surfaces of two grooves.

[0007] The bottom surface of the trough has a two-stage stepped trough A.

[0008] The cover plate is a rectangular block, which is tightly fixed and assembled inside the U-shaped groove.

[0009] A two-stage stepped groove B is provided on one side of the bottom surface of the cover plate connecting groove.

[0010] The metal housing device is tightly assembled within the cavity formed by the secondary stepped groove A and the secondary stepped groove B.

[0011] The secondary stepped groove A includes a primary groove and a secondary groove from the outside to the inside, with a first platform formed between the primary groove and the secondary groove; the length and width of the primary groove are equal to the length and width of the bottom frame of the metal casing device, the depth of the primary groove is not greater than the height of the metal casing device, and the width of the first platform is not less than the thickness of the bottom frame of the metal casing device; the depth of the secondary groove is greater than 0.

[0012] The secondary stepped groove B includes a tertiary groove and a quaternary groove from the outside to the inside, and a second platform is formed between the tertiary groove and the quaternary groove; the length and width of the tertiary groove are equal to the length and width of the top frame of the metal housing device, the depth of the tertiary groove is not greater than the difference between the height of the metal housing device and the depth of the tertiary groove, the width of the second platform is not less than the thickness of the top frame of the metal housing device, and the depth of the quaternary groove is greater than 0.

[0013] The sidewall of the primary groove has several lead wire grooves along its depth direction. The height of the lead wire groove is equal to the depth of the primary groove; the width of the lead wire groove is not less than the length of the lead wire.

[0014] The bottom surface of the tank has first connecting holes at the four corners and the center of the four sides. The cover plate has second connecting holes that correspond one-to-one with the first connecting holes. The cover plate and the bottom surface of the tank are fixedly connected through the first connecting holes and the second connecting holes.

[0015] The length and width of the cover plate are equal to the length and width of the bottom surface of the groove, and the height of the cover plate is equal to the depth of the bottom surface of the groove.

[0016] The length and width of the secondary groove are less than those of the primary groove.

[0017] The length and width of the fourth-level groove are less than those of the third-level groove.

[0018] Several fixing holes are evenly distributed on both sides of the upper surface of the base.

[0019] This utility model has the following beneficial effects:

[0020] 1. A test fixture for metal housing devices is provided by means of a tightly assembled and fixed base and cover plate. The test fixture has a simple structure, high reliability, and is easy to install, and can meet the requirements for vibration and shock testing of metal housing devices.

[0021] 2. The base has a U-shaped groove surface, and the U-shaped groove surface has a two-stage stepped groove A for placing metal housing components. The cover plate has a two-stage stepped groove B to further provide space for accommodating metal housing components. The metal housing components are tightly assembled in the cavity formed by the two-stage stepped groove A and the two-stage stepped groove B. The first and second platforms press the metal housing components together, and the cover plate can further provide a strong clamping effect on the metal housing components.

[0022] 3. By adjusting the shape and size of the stepped groove, this fixture can be used to install and fix various metal housing devices. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of a vibration and impact test fixture base for a metal shell device according to the present invention.

[0024] Figure 2 This is a first-view perspective three-dimensional structural diagram of the cover plate of a vibration and impact test fixture for a metal housing device according to the present invention;

[0025] Figure 3 This is a second-view three-dimensional structural diagram of the cover plate of a vibration and impact test fixture for a metal casing device according to the present invention.

[0026] The components include: 1. Base; 11. U-shaped groove surface; 12. Secondary stepped groove A; 121. Primary groove; 122. Secondary groove; 123. First platform; 13. Lead wire groove; 14. First connecting hole; 15. Fixing hole; 2. Cover plate; 21. Second connecting hole; 22. Secondary stepped groove B; 221. Tertiary groove; 222. Quaternary groove; 223. Second platform. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

[0028] In the description of this utility model, it should be understood that the terms "left side," "right side," "upper part," "lower part," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. "First," "second," etc., do not indicate the importance of the components, and therefore should not be construed as a limitation of this utility model. The specific dimensions used in this embodiment are only for illustrating the technical solution and do not limit the protection scope of this utility model.

[0029] like Figure 1-3 As shown, a vibration and impact test fixture for metal housing devices includes: a base 1 and a cover plate 2.

[0030] The upper surface of the base has a U-shaped groove 11; the U-shaped groove is composed of a bottom surface and two side surfaces; for example Figure 1 As shown, the base is U-shaped.

[0031] The bottom surface of the groove has a two-stage stepped groove A12; the two-stage stepped groove A12 is used to place metal-cased components.

[0032] The secondary stepped groove A12 includes a primary groove 121 and a secondary groove 122 from the outside to the inside. A first platform 123 is formed between the primary groove and the secondary groove. The length and width of the primary groove are equal to the length and width of the bottom frame of the metal casing device. The depth of the primary groove is not greater than the height of the metal casing device. The width of the first platform is not less than the thickness of the bottom frame of the metal casing device. The depth of the secondary groove is greater than 0.

[0033] Understandably, the metal housing component is tightly assembled within the primary groove, and the first platform formed between the primary and secondary grooves can stably support the bottom frame of the metal housing component. Thus, the metal housing component is tightly assembled within the secondary stepped groove A.

[0034] The cover plate is a rectangular block, which is tightly fixed and assembled inside the U-shaped groove.

[0035] Preferably, the bottom surface of the tank has first connecting holes 14 at the four corners and the center of the four sides, and the cover plate has second connecting holes 21 corresponding to the first connecting holes. The cover plate and the bottom surface of the tank are fixedly connected through the first connecting holes and the second connecting holes.

[0036] Preferably, there are 8 first connecting holes and 8 second connecting holes. The first connecting hole is a threaded hole and the second connecting hole is a stepped through hole. The fixed connection method is bolt connection.

[0037] Preferably, the fixing method is screw connection or other methods that can achieve a better tight fixation.

[0038] Preferably, the length and width of the cover plate are equal to the length and width of the bottom surface of the groove, and the height of the cover plate is equal to the depth of the bottom surface of the groove.

[0039] Furthermore, a secondary stepped groove B22 is provided on one side of the bottom surface of the cover plate connecting groove, which further provides space for accommodating metal housing devices.

[0040] The secondary stepped groove B22 includes a tertiary groove 221 and a quaternary groove 222 from the outside to the inside. A second platform 223 is formed between the tertiary groove and the quaternary groove. The length and width of the tertiary groove are equal to the length and width of the top frame of the metal housing device. The depth of the tertiary groove is not greater than the difference between the height of the metal housing device and the depth of the tertiary groove. The width of the second platform is not less than the thickness of the top frame of the metal housing device. The depth of the quaternary groove is greater than 0.

[0041] Understandably, the metal housing component is tightly fitted within the third-level groove, and the second platform formed between the third and fourth-level grooves can stably support the top frame of the metal housing component. Thus, the metal housing component is tightly fitted within the second-level stepped groove B.

[0042] Since the depth of the first-level groove is no greater than the height of the metal housing device, and the depth of the third-level groove is no greater than the difference between the height of the metal housing device and the depth of the first-level groove, and the cover plate is tightly fixed and assembled in the U-shaped groove surface, the metal housing device is tightly assembled in the cavity formed by the second-level stepped groove A and the second-level stepped groove B. The first and second platforms press the metal housing device together, and the cover plate can further exert a strong clamping effect on the metal housing device.

[0043] Furthermore, a plurality of lead wire grooves 13 are formed along the depth direction on the sidewall of the primary groove. The height of the lead wire groove is equal to the depth of the primary groove; the width of the lead wire groove is not less than the length of the lead wire. Understandably, the number of lead wire grooves is determined by the number of leads in the metal housing device. Since the leads extend a certain distance from the metal housing device, the width of the lead wire groove must be sufficient to accommodate the leads to prevent interference. Figure 1 As shown, the lead groove is semi-circular, and its radius (i.e., width) must be able to accommodate the lead, depending on the shape of the lead groove.

[0044] Furthermore, the length and width of the secondary groove are less than the length and width of the primary groove; a first platform is formed between the primary groove and the secondary groove, arranged circumferentially.

[0045] Furthermore, the length and width of the fourth-level groove are smaller than those of the third-level groove; a second platform is formed between the third-level groove and the fourth-level groove, arranged circumferentially.

[0046] Furthermore, several fixing holes 15 are evenly provided on both sides of the upper surface of the base for fixing the fixture to the test bench surface so as to carry out reliable vibration and impact tests.

[0047] Preferably, the fixing holes are four through holes.

[0048] In practical use, the metal housing device is placed in the first groove of the second-level stepped groove A, with the lead wire of the metal housing device placed in the lead wire groove. The metal housing device is then covered with a cover plate, and the second-level stepped groove B of the cover plate further provides space for accommodating the metal housing device, meaning the metal housing device is also placed in the third groove of the second-level stepped groove B. The base and the cover plate are tightly fixed together through the first and second connecting holes. At this point, the metal housing device is tightly fixed and assembled in the cavity formed by the second-level stepped groove A and the second step groove B. The first and second platforms press the metal housing device together, and the cover plate provides a strong clamping effect for the metal housing device. Finally, the fixture is fixed to the test platform through the fixing hole 15.

[0049] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.

Claims

1. A metal case device vibration shock test fixture, characterized by: include: Base and cover; The upper surface of the base is provided with a U-shaped groove; the U-shaped groove is composed of a bottom surface of one groove and two side surfaces of two grooves. The bottom surface of the trough is provided with a two-stage stepped trough A; The cover plate is a rectangular block, which is tightly fixed and assembled into the U-shaped groove surface; A two-stage stepped groove B is provided on one side of the bottom surface of the cover plate connecting groove; The metal housing device is tightly assembled within the cavity formed by the secondary stepped groove A and the secondary stepped groove B.

2. The metal cased device vibration shock test fixture of claim 1, wherein: The secondary stepped groove A includes a primary groove and a secondary groove from the outside to the inside, and a first platform is formed between the primary groove and the secondary groove. The length and width of the primary groove are equal to the length and width of the base frame of the metal casing device. The depth of the primary groove is not greater than the height of the metal casing device, and the width of the first platform is not less than the thickness of the base frame of the metal casing device. The depth of the secondary groove is greater than 0.

3. The metal cased device vibration shock test fixture of claim 2, wherein: The secondary stepped groove B includes a tertiary groove and a quaternary groove from the outside to the inside, and a second platform is formed between the tertiary groove and the quaternary groove. The length and width of the third-level groove are equal to the length and width of the top frame of the metal casing device. The depth of the third-level groove is not greater than the difference between the height of the metal casing device and the depth of the first-level groove. The width of the second platform is not less than the thickness of the top frame of the metal casing device. The depth of the fourth-level groove is greater than 0.

4. The metal cased device vibration shock test fixture of claim 2, wherein: Several lead wire grooves are formed on the sidewall of the primary groove along the depth direction.

5. The metal cased device vibration shock test fixture of claim 4, wherein: The height of the lead groove is equal to the depth of the first-level groove; the width of the lead groove is not less than the length of the lead.

6. The metal cased device vibration shock test fixture of claim 1, wherein: The bottom surface of the tank has first connecting holes at the four corners and the center of the four sides. The cover plate has second connecting holes that correspond one-to-one with the first connecting holes. The cover plate and the bottom surface of the tank are fixedly connected through the first connecting holes and the second connecting holes.

7. The metal cased device vibration shock test fixture of claim 5, wherein: The length and width of the cover plate are equal to the length and width of the bottom surface of the groove, and the height of the cover plate is equal to the depth of the bottom surface of the groove.

8. The metal cased device vibration shock test fixture of claim 5, wherein: The length and width of the secondary groove are less than those of the primary groove.

9. The metal cased device vibration shock test fixture of claim 5, wherein: The length and width of the fourth-level groove are less than those of the third-level groove.

10. The metal cased device vibration shock test fixture of claim 1, wherein: Several fixing holes are evenly distributed on both sides of the upper surface of the base.

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