CN220304790U

CN220304790U - Impact vibration test tool for switch

Info

Publication number: CN220304790U
Application number: CN202321856030.3U
Authority: CN
Inventors: 向杨建
Original assignee: Hunan Huafeng Xinyu Electronic Co ltd
Current assignee: Hunan Huafeng Xinyu Electronic Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-05
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses an impact vibration test tool for a switch, which belongs to the technical field of test tools and comprises an impact table, wherein a fixed support is movably arranged on the impact table, a bottom plate is movably arranged on the fixed support, a pressing plate is movably arranged on the bottom plate, the pressing plate comprises a plate body, a plurality of notches for clamping the switch are arranged on the plate body, and the notches are U-shaped. The utility model is used for solving the technical problems of complex structure, high cost and low efficiency in the prior art.

Description

Impact vibration test tool for switch

Technical Field

The utility model belongs to the technical field of test tools, and particularly relates to an impact vibration test tool for a switch.

Background

Impact vibration testing of switches is a test method used to simulate the impact or vibration environment to which a switch may be subjected during transportation or use. The switch can check the impact resistance and vibration resistance of the switch and detect whether the structure and the function of the switch are abnormal or damaged. Impact vibration testing typically requires the use of specialized equipment such as vibration tables, impact tables, accelerometers, tooling, and the like to apply specified impact or vibration parameters such as frequency, amplitude, duration, waveform, and the like

In the prior art, the switch 7 is mounted on a special connecting frame 10, the connecting frame 10 is mounted on a connecting plate 11, the connecting plate is mounted on a fixed bracket, the structure is shown in fig. 1, and the following defects are caused: 1. the connecting frame has a complex structure and high processing cost; 2. only one switch can be made at a time during the test. Therefore, an impact vibration test tool for a switch needs to be developed to solve the technical problems.

Disclosure of Invention

Aiming at the problems, the utility model provides an impact vibration test tool for a switch, which is used for solving the technical problems of complex structure, high cost and low efficiency in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an impact vibration test frock of switch, includes the impact bench, and the activity is provided with the fixed bolster on the impact bench, and the activity is provided with the bottom plate on the fixed bolster, and the activity is provided with the clamp plate on the bottom plate, and the clamp plate includes the plate body, is provided with a plurality of notches that are used for blocking the switch on the plate body, and the notch sets up to the U style of calligraphy.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and low cost, can simultaneously perform impact vibration test on a plurality of switches, and improves test efficiency and quality.

As a further improvement of the scheme, 8 notches are arranged on the plate body; the pressing plate is provided with a first U-shaped hole and a through hole, and a second screw and a third screw which are used for being fixed with the bottom plate are respectively inserted in the first U-shaped hole and the through hole.

The improved technical effects are as follows: the switches can be uniformly distributed on the plate body, so that the consistency and the accuracy of the test are ensured; the fastening degree of the second screw and the third screw can be adjusted, the distance between the pressing plate and the bottom plate is changed, different switch thicknesses are adapted, the switch can be completely clamped into the notch, and the stability and the reliability of the test are improved. The pressing plate can be conveniently installed and detached through the arrangement of the first U-shaped hole and the through hole, so that the time and cost of the test are saved.

As a further improvement of the above scheme, the plate body is provided with a square shape; the notches are uniformly arranged on the outer side, and the edges are in an opening state.

The improved technical effects are as follows: the shape of the plate body can be matched with the shape of the impact table, so that space waste and unnecessary vibration interference in the test process are reduced. The notches are uniformly arranged on the outer side, and the edges are in an opening state, so that the switch is convenient to insert and take out, and the operation and flow of a test are simplified.

As a further improvement of the scheme, the fixing support comprises a U-shaped frame, a fixing plate is arranged at the lower end of the U-shaped frame, and a third U-shaped hole is formed in the fixing plate and used for inserting a first screw to fix the impact table.

The improved technical effects are as follows: the fixing bracket has simple and stable structure and is easy to manufacture and install.

The connection mode between the fixing support and the impact table is flexible and firm, the third U-shaped hole is matched with the first screw, and the fixing support is prevented from loosening or shifting in the test process.

As a further improvement of the scheme, a second U-shaped hole is formed in the bottom plate, and a fourth screw is arranged on the second U-shaped hole to fix the bottom plate with the fixing support.

The improved technical effects are as follows: the second U-shaped hole and the fourth screw are matched, so that the relative position and the direction between the bottom plate and the fixed support are ensured, the deflection or rotation of the bottom plate in the test process is avoided, and the test precision and the test repeatability are ensured. The second U-shaped holes can be formed, so that the installation and the disassembly of the bottom plate are convenient, and the test time and labor are saved.

Drawings

FIG. 1 is a prior art test fixture.

Fig. 2 is a three-dimensional schematic of the present utility model.

Fig. 3 is a front view of the present utility model. (impact-free table and fixed support)

Fig. 4 is a top view of fig. 3.

FIG. 5 is a schematic view of a platen according to the present utility model.

In the figure: 1. an impact table; 2. a first screw; 3. a fixed bracket; 301. a U-shaped frame; 302. a fixing plate; 4. a bottom plate; 5. a pressing plate; 501. a plate body; 502. a notch; 503. a first U-shaped hole; 504. a through hole; 6. a second screw; 7. a switch; 8. a third screw; 9. a second U-shaped hole; 10. a connecting frame; 11. a connecting plate; 12. and a fourth screw.

Detailed Description

In order that those skilled in the art will better understand the technical solutions, the following detailed description of the technical solutions is provided with examples and illustrations only, and should not be construed as limiting the scope of the present patent.

Referring to fig. 1 to 5, an impact vibration test fixture for a switch comprises an impact table 1, wherein a fixed support 3 is movably arranged on the impact table 1, a bottom plate 4 is movably arranged on the fixed support 3, a pressing plate 5 is movably arranged on the bottom plate 4, the pressing plate 5 comprises a plate body 501, a plurality of notches 502 for clamping the switch 7 are arranged on the plate body 501, and the notches 502 are U-shaped.

First, the fixing bracket 3 is fixed to the impact table 1, and the position and angle of the fixing bracket 3 are adjusted to fit the size and shape of the impact table 1.

Then, the bottom plate 4 is fixed to the fixing bracket 3, and the height of the bottom plate 4 is adjusted so as to be suitable for the thickness of the switch 7.

Next, the pressing plate 5 is fixed to the bottom plate 4, and the horizontal position of the pressing plate 5 is adjusted to fit the number and size of the switches 7.

Then, the switch 7 is inserted into the notch 502, so that the switch 7 is tightly attached to the pressing plate 5, and the switch 7 is prevented from loosening or falling off in the test process.

Finally, the impact table 1 is started, the amplitude and the frequency of the impact table 1 are set, the impact vibration test is carried out on the switch 7, the state of the switch 7 after the test is observed, and the performance and the service life of the switch 7 are judged.

As shown in fig. 5, as a preferable mode of the above embodiment, the plate 501 is provided with 8 notches 502; the pressing plate 5 is provided with a first U-shaped hole 503 and a through hole 504, and a second screw 6 and a third screw 8 for fixing the pressing plate 4 are respectively inserted into the first U-shaped hole 503 and the through hole 504. The plate body 501 is provided in a square shape; the notches 502 are uniformly arranged on the outside, and the edges are in an open state.

Specifically, the second screw 6 and the third screw 8 are respectively passed through the first U-shaped hole 503 and the through hole 504, and the connection between the pressing plate 5 and the bottom plate 4 is fastened. Then, the switch 7 is inserted into the notch 502, so that the switch 7 is tightly attached to the pressing plate 5, and the switch 7 is prevented from loosening or falling off in the test process. The switch 7 is conveniently inserted and removed from the opening of the slot 502.

As shown in fig. 2 and 4, as a preferable mode of the above embodiment, the fixing bracket 3 includes a U-shaped bracket 301, a fixing plate 302 is provided at a lower end of the U-shaped bracket 301, and a third U-shaped hole is provided on the fixing plate 302 for inserting the first screw 2 to fix with the impact table 1. The first screw 2 is inserted through the third U-shaped hole, the fixing plate 302 is fixed to the impact table 1, and the fixing bracket 3 is connected to the impact table 1.

As shown in fig. 2 and 4, as a preferred mode of the above embodiment, the bottom plate 4 is provided with a second U-shaped hole 9, and the second U-shaped hole 9 is provided with a fourth screw 12 to fix with the fixing bracket 3, so that the bottom plate 4 is convenient to install and detach, and the test time and labor are saved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Specific examples are used herein to illustrate the principles and embodiments of the present patent technical solution, and the above examples are only used to help understand the method of the present patent and its core ideas. The foregoing is merely a preferred embodiment of the present patent, and it should be noted that, due to the limited text expression, there is objectively an infinite number of specific structures, and it will be apparent to those skilled in the art that several modifications, adaptations or variations can be made and the above technical features can be combined in a suitable manner without departing from the principles of the present patent; such modifications, variations, or combinations, or the direct application of the concepts and aspects of the disclosed patent to other applications without modification, are intended to be within the scope of the present disclosure.

Claims

1. The utility model provides a shock vibration test frock of switch, its characterized in that, including strike platform (1), the activity is provided with fixed bolster (3) on strike platform (1), and the activity is provided with bottom plate (4) on fixed bolster (3), and the activity is provided with clamp plate (5) on bottom plate (4), and clamp plate (5) include plate body (501), are provided with a plurality of notch (502) that are used for blocking switch (7) on plate body (501), and notch (502) set up to the U style of calligraphy.

2. The impact vibration test tool of a switch according to claim 1, wherein 8 notches (502) are arranged on the plate body (501); the pressing plate (5) is provided with a first U-shaped hole (503) and a through hole (504), and a second screw (6) and a third screw (8) which are used for being fixed with the bottom plate (4) are respectively inserted in the first U-shaped hole (503) and the through hole (504).

3. The impact vibration test fixture of a switch according to claim 1, wherein the plate body (501) is provided in a square shape; the notches (502) are uniformly arranged on the outer side, and the edges are in an open state.

4. The impact vibration test fixture of the switch according to claim 1, wherein the fixing bracket (3) comprises a U-shaped bracket (301), a fixing plate (302) is arranged at the lower end of the U-shaped bracket (301), and a third U-shaped hole is formed in the fixing plate (302) and used for inserting a first screw (2) to fix with the impact table (1).

5. The impact vibration test tool of the switch according to claim 1, wherein the bottom plate (4) is provided with a second U-shaped hole (9), and the second U-shaped hole (9) is provided with a fourth screw (12) to be fixed with the fixed bracket (3).