Lifting structure of test fixture

Abstract

The utility model discloses a lifting structure of a test fixture, which comprises a base, the upper surface of the base is provided with an adjusting mechanism, the upper surface of the adjusting mechanism is provided with a sliding mechanism, the upper surface of the sliding mechanism is provided with a workbench, the lower surface of the workbench is fixedly connected with a movable seat, and the movable seat is fixedly connected with the base. The outer surface of the movable seat is slidably connected with the base, and a mounting mechanism is arranged in the sliding mechanism. The sliding seat is arranged on the lower surface of the workbench, and the sliding seat can drive the rollers to roll back and forth on the surfaces of the limiting grooves when moving back and forth, so that the overall height of the workbench is driven to be adjusted, and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting, in particular to a lifting structure of a test fixture. Background Technique

[0002] A test fixture is a tool widely used in industrial production, specifically for testing the functions, power calibration, lifespan, performance, etc. of products. Different tests may require different heights of the test fixture. During the process, a special lifting structure is needed to ensure an appropriate distance and angle between the test fixture and the product to guarantee the accuracy and reliability of the test. However, the existing lifting structure is relatively simple, relying solely on a hydraulic device to drive its lifting, and it is prone to damage after long-term use, and it is not very convenient to use. Content of the Utility Model

[0003] The purpose of the utility model is to provide a lifting structure of a test fixture to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A lifting structure of a test fixture, comprising:

[0005] A base, on the upper surface of the base is provided an adjusting mechanism, on the upper surface of the adjusting mechanism is provided a sliding mechanism, on the upper surface of the sliding mechanism is provided a workbench, fixedly connected to the lower surface of the workbench is a movable seat, the outer surface of the movable seat is slidably connected to the base, and an installation mechanism is arranged inside the sliding mechanism.

[0006] Preferably, the adjusting mechanism includes a motor fixedly connected to the side surface of the base, the output end of the motor is fixedly connected to a threaded rod, on both sides of the threaded rod are provided limiting rods, the outer surface of the threaded rod is threadedly connected to a sliding seat, the rotation of the threaded rod can drive the limiting rods to move left and right, the sliding seat is trapezoidal, the inside of the sliding seat is slidably connected to the limiting rods, and the limiting rods can limit the sliding seat to move back and forth stably. On the upper surface of the sliding seat is provided a limiting groove, the limiting groove is beveled, and three groups of limiting grooves are provided.

[0007] Preferably, the sliding mechanism includes rollers slidably connected to the outer surface of the limiting groove. The movement of the sliding seat can drive the rollers to roll along the surface of the limiting groove, thereby driving the workbench to lift. Three groups of rollers are provided, fixedly connected to the outer surface of the rollers are rotating rods, and the two ends of the rotating rods are rotatably connected to sleeves, and fixedly connected to the upper surface of the sleeves are fixed seats.

[0008] Preferably, the installation mechanism includes a rotating block rotatably connected inside the fixed seat. The rotation of the rotating block can push the threaded block to expand and contract. A limiting block is fixedly connected to the outer surface of the rotating block, which can limit the rotation of the rotating block to prevent it from detaching from the fixed seat. One side of the limiting block away from the rotating block is fixedly connected to the threaded block, and the outer surface of the threaded block is threadedly connected to the workbench, enabling quick installation and replacement of the workbench and facilitating the repair and cleaning of the workbench.

[0009] Preferably, the motor is connected to an external power supply.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] (1) For the lifting structure of this kind of test fixture, by arranging a sliding seat on the lower surface of the workbench, when the sliding seat moves back and forth, it can drive the rollers to roll back and forth on the surface of the limiting groove, thereby driving the overall height adjustment of the workbench, increasing the convenience of use and avoiding problems such as the failure of the hydraulic system.

[0012] (2) For the lifting structure of this kind of test fixture, by arranging an installation mechanism at the connection between the workbench and the fixed seat, using the threaded block to connect and install the workbench, and the limiting block can limit the rotating block to prevent it from detaching from the workbench, increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall structural schematic diagram of the present utility model;

[0014] Figure 2 is the structural schematic diagram of the adjustment mechanism of the present utility model;

[0015] Figure 3 is the structural schematic diagram of the sliding mechanism of the present utility model;

[0016] Figure 4 is the structural schematic diagram of the installation mechanism of the present utility model.

[0017] In the figure: 1, base; 2, adjustment mechanism; 201, motor; 202, threaded rod; 203, limiting rod; 204, sliding seat; 205, limiting groove; 3, sliding mechanism; 301, roller; 302, rotating rod; 303, sleeve; 304, fixed seat; 4, workbench; 5, movable seat; 6, installation mechanism; 601, rotating block; 602, limiting block; 603, threaded block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a lifting structure of a test fixture, including a base 1, an adjustment mechanism 2 is arranged on the upper surface of the base 1, a sliding mechanism 3 is arranged on the upper surface of the adjustment mechanism 2, a workbench 4 is arranged on the upper surface of the sliding mechanism 3, a movable seat 5 is fixedly connected to the lower surface of the workbench 4, the outer surface of the movable seat 5 is slidably connected to the base 1, and the movable seat 5 can limit the workbench 4 to make it stably lift. An installation mechanism 6 is arranged inside the sliding mechanism 3.

[0020] The adjustment mechanism 2 includes a motor 201 fixedly connected to the side surface of the base 1, the output end of the motor 201 is fixedly connected to a threaded rod 202, limiting rods 203 are arranged on both sides of the threaded rod 202, a sliding seat 204 is threadedly connected to the outer surface of the threaded rod 202, the rotation of the threaded rod 202 can drive the limiting rods 203 to move left and right. The sliding seat 204 is trapezoidal, and the inside of the sliding seat 204 is slidably connected to the limiting rods 203. The limiting rods 203 can limit the sliding seat 204 to make it stably move back and forth. A limiting groove 205 is arranged on the upper surface of the sliding seat 204, the limiting groove 205 is a slope, and three groups of limiting grooves 205 are arranged.

[0021] The sliding mechanism 3 includes rollers 301 slidably connected to the outer surface of the limiting groove 205. The movement of the sliding seat 204 can drive the rollers 301 to roll along the surface of the limiting groove 205, thereby driving the workbench 4 to lift. Three groups of rollers 301 are arranged, a rotating rod 302 is fixedly connected to the outer surface of the rollers 301, both ends of the rotating rod 302 are rotatably connected to a sleeve 303, and a fixed seat 304 is fixedly connected to the upper surface of the sleeve 303.

[0022] The installation mechanism 6 includes a rotating block 601 rotatably connected inside the fixed seat 304. The rotation of the rotating block 601 can push a threaded block 603 to expand and contract. A limiting block 602 is fixedly connected to the outer surface of the rotating block 601. The limiting block 602 can limit the rotating block 601 to prevent the rotating block 601 from detaching from the fixed seat 304. A threaded block 603 is fixedly connected to the side of the limiting block 602 away from the rotating block 601. The outer surface of the threaded block 603 is threadedly connected to the workbench 4 to quickly install and replace the workbench 4, facilitating the maintenance and cleaning of the workbench 4. The motor 201 is connected to an external power source.

[0023] When the embodiment of the present application is in use: Starting the motor 201 can drive the threaded rod 202 to rotate, so that the limiting rod 203 drives the sliding seat 204 to move left and right, so that the roller 301 can slide on the limiting groove 205, thereby driving the entire workbench 4 to rise or fall.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting structure of a test fixture, characterized in that: The invention comprises a base (1), an adjusting mechanism (2) is arranged on the upper surface of the base (1), a sliding mechanism (3) is arranged on the upper surface of the adjusting mechanism (2), a workbench (4) is arranged on the upper surface of the sliding mechanism (3), a movable seat (5) is fixedly connected to the lower surface of the workbench (4), the outer surface of the movable seat (5) is slidably connected to the base (1), and a mounting mechanism (6) is arranged inside the sliding mechanism (3).

2. The lifting structure of a test fixture according to claim 1, characterized in that: The adjustment mechanism (2) comprises a motor (201) fixedly connected to the side surface of the base (1); the output end of the motor (201) is fixedly connected to a threaded rod (202); limiting rods (203) are arranged on both sides of the threaded rod (202); the outer surface of the threaded rod (202) is threadedly connected to a sliding seat (204); the interior of the sliding seat (204) is slidably connected to the limiting rod (203); the upper surface of the sliding seat (204) is provided with limiting grooves (205); and three groups of limiting grooves (205) are arranged.

3. The lifting structure of a test fixture according to claim 2, characterized in that: The sliding mechanism (3) comprises a roller (301) slidably connected to the outer surface of the limiting groove (205), and three groups of the rollers (301) are provided. The outer surface of the roller (301) is fixedly connected to a rotating rod (302), and both ends of the rotating rod (302) are rotatably connected to a sleeve (303), and the upper surface of the sleeve (303) is fixedly connected to a fixed seat (304).

4. The lifting structure of a test fixture according to claim 3, characterized in that: The mounting mechanism (6) comprises a rotating block (601) rotatably connected inside a fixed seat (304); the outer surface of the rotating block (601) is fixedly connected to a limiting block (602); a surface of the limiting block (602) away from the rotating block (601) is fixedly connected to a threaded block (603); and the outer surface of the threaded block (603) is threadedly connected to the workbench (4).

5. The lifting structure of a test fixture according to claim 2, characterized in that: The motor (201) is connected to an external power source.

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