Switch test fixture

Through the cooperation of the design flip mechanism and the electric push rod, the problem of the existing switch test fixtures requiring manual replacement of the fixtures is solved, and efficient fixation of switches of different shapes is achieved.

CN223217543UActive Publication Date: 2025-08-12CHENGDU ZHONGWEI WEITONG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422364285.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-08-12
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

Existing switch test fixtures require changing the fixtures according to the appearance of different switches and fixing them with manual clamps, resulting in low fixing efficiency.

Method used

A switch test fixture is designed, using a flip mechanism to drive the limit frame to rotate simultaneously, and the switch is fixed by bolts and electric push rods to achieve efficient fixation of switches in different shapes.

Benefits of technology

The fixing efficiency of switches with different shapes is improved, and fast and stable switch fixation is achieved through the coordination of the limit frame and the electric push rod.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a switch test fixture, which relates to the technical field of switch test equipment and comprises a bottom plate, the top end of the bottom plate is fixedly connected with an object placing plate, the top end of the bottom plate is fixedly connected with a plurality of supporting columns at equal intervals in the circumferential direction, and the top ends of the supporting columns are symmetrically and fixedly connected with two connecting plates. Limiting frames are arranged on the sides, close to each other, of the multiple supporting columns, and a turnover mechanism used for driving the limiting frames on one sides of the multiple supporting columns to rotate synchronously is arranged on the bottom plate. The turnover mechanism can drive the limiting frames on the supporting columns to rotate synchronously, meanwhile, the limiting frames drive the movable sleeve blocks to rotate to the position above a switch through the bolts, after the switch is placed, the electric push rod is started to push the rubber pressing blocks to extrude the upper surface of the switch, and therefore the switch is fixed. Therefore, the efficiency of fixing the switches with different shapes can be further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of switch testing equipment, in particular to a switch testing fixture. Background Art

[0002] A switch is an electronic component used to open or close a circuit, interrupting the current or allowing it to flow to another circuit. Common switches are electromechanical devices that contain one or more electronic contacts. When the contacts are closed, current can flow through, and when the contacts are open, the current is blocked.

[0003] When using existing switch testing fixtures, workers need to replace the corresponding fixtures according to the different shapes of different switches. When fixing the switch, the fixture uses multiple manual clamps to squeeze and fix the switch. In order to further improve the efficiency of fixing switches with different shapes, a switch testing fixture is now provided based on this, which can eliminate the disadvantages of the existing device. Utility Model Content

[0004] The purpose of the utility model is to provide a switch test fixture to solve the problems in the background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A switch test fixture includes a base plate, the top of which is fixedly connected to a storage plate, the top of which is fixedly connected to a plurality of support columns at equal intervals in the circumferential direction, the tops of the plurality of support columns are symmetrically fixedly connected to two connecting plates, a limit frame is provided on one side of the plurality of support columns that are close to each other, and a flipping mechanism is provided on the base plate for driving the limit frames on one side of the plurality of support columns to rotate synchronously.

[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0008] In an optional solution: the flipping mechanism includes:

[0009] A limit assembly is provided above the support column, and is used to flip and limit the limit frame;

[0010] The limiting assembly is a connecting rotating frame provided above the support column, the connecting rotating frame is located between the two connecting plates, the connecting rotating frame is rotatably connected to the two connecting plates via a rotating shaft, the connecting rotating frame is fixedly connected to the limiting frame, and the connecting rotating frame has a C-shaped appearance;

[0011] The connecting rotating frame is provided with a rotating assembly, and the rotating assembly is used to drive the connecting rotating frame to flip.

[0012] In an optional solution, the rotating assembly includes:

[0013] a first gear located on the inner side of the connecting rotating frame, the first gear being fixedly connected to the connecting rotating frame via a connecting shaft, the outer wall of the first gear being meshedly connected to a rack, the rack being slidably connected to the support column up and down;

[0014] A lifting assembly is provided at the bottom end of the rack, and the lifting assembly is used to drive the rack to move up and down.

[0015] In an optional solution, the lifting assembly includes:

[0016] A screw rod is provided below the rack, the screw rod is located inside the support column, the screw rod is rotatably connected to the support column through a rotating shaft, a lifting sleeve is sleeved on the outer wall of the screw rod, the lifting sleeve is threadedly connected to the screw rod, the lifting sleeve is connected to the support column for up and down sliding, and the lifting sleeve is fixedly connected to the rack;

[0017] A transmission assembly is provided at the bottom end of the screw rod, and the transmission assembly is used to drive the screw rod to rotate.

[0018] In an optional solution, the transmission assembly includes:

[0019] A transmission rotating rod is fixedly connected to the bottom end of the screw rod, the transmission rotating rod passes through the support column to the inside of the base plate, the transmission rotating rod is rotatably connected to the base plate and the support column, the bottom end of the transmission rotating rod is fixedly connected to a second gear, the second gear is located inside the base plate, the inside of the base plate is rotatably connected to a gear ring, and the gear ring is meshed with the second gear below the multiple support columns;

[0020] A driving assembly is provided on the bottom plate, and the driving assembly is used to drive the gear ring to rotate.

[0021] In an optional solution, the drive assembly includes:

[0022] A motor is installed at the top end of one end of the base plate, and the output end of the motor is fixedly connected to a third gear. The third gear is located inside the base plate and is meshed with the gear ring.

[0023] In an optional solution: a movable sleeve block is slidably sleeved on the limit frame, a bolt is provided at one end of the movable sleeve block, the bolt passes through the movable sleeve block and is threadedly connected to the limit frame, and a plurality of thread grooves threadedly connected to the bolt are opened at equal intervals on the limit frame.

[0024] In an optional solution: an electric push rod is installed on the top of the movable sleeve block, and an output end of the electric push rod is fixedly connected to a rubber pressure block, and the rubber pressure block is located below the movable sleeve block.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] The utility model can drive the limit frames on multiple support columns to rotate synchronously through the flip mechanism. At the same time, the limit frame drives the movable sleeve to rotate above the switch through the bolt. After the switch is placed, the electric push rod is started to push the rubber pressure block to squeeze the upper surface of the switch, so as to fix the switch, thereby further improving the efficiency of fixing switches of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural diagram of the present utility model.

[0028] Figure 2 This is a schematic diagram of the cross-sectional structure of the bottom plate of the present utility model.

[0029] Figure 3 This is a schematic diagram of the cross-sectional structure of a support column in an embodiment of the present utility model.

[0030] Notes on the accompanying drawings: 1. Base plate; 201. First gear; 202. Rack; 203. Lifting sleeve; 204. Screw; 205. Transmission rod; 206. Second gear; 207. Gear ring; 208. Third gear; 209. Motor; 2010. Connecting rack; 3. Storage plate; 4. Support column; 5. Bolt; 6. Electric push rod; 7. Limit frame; 8. Rubber pressure block; 9. Moving sleeve; 10. Connecting plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0032] In one embodiment, Figure 1-Figure 3 As shown, a switch test fixture includes a base plate 1, a storage plate 3 is fixedly connected to the top of the base plate 1, a plurality of support columns 4 are fixedly connected to the top of the base plate 1 at equal intervals in the circumferential direction, the tops of the plurality of support columns 4 are symmetrically fixedly connected to two connecting plates 10, a limit frame 7 is provided on the side where the plurality of support columns 4 are close to each other, a movable sleeve 9 is slidably sleeved on the limit frame 7, a bolt 5 is provided at one end of the movable sleeve 9, the bolt 5 passes through the movable sleeve 9 and is threadedly connected to the limit frame 7, a plurality of thread grooves threadedly connected to the bolt 5 are provided on the limit frame 7 at equal intervals in the horizontal direction, an electric push rod 6 is installed on the top of the movable sleeve 9, the output end of the electric push rod 6 is fixedly connected to a rubber pressure block 8, the rubber pressure block 8 is located below the movable sleeve 9, and a flip mechanism for driving the limit frames 7 on one side of the plurality of support columns 4 to rotate synchronously is provided on the base plate 1;

[0033] In this embodiment, when in use, the bolt 5 is rotated by a tool to release the fixation of the movable sleeve 9. Then, according to the size of the switch, the movable sleeve 9 is pulled along the outer wall of the limit frame 7 to move to a suitable position, so as to fix switches of different shapes. When the position of the movable sleeve 9 is adjusted, the bolt 5 is rotated to be threadedly connected with the thread groove on the limit frame 7, so that the movable sleeve 9 can be fixed;

[0034] Then, the limit frame 7 is driven to rotate by the flip mechanism, and at the same time, the limit frame 7 drives the movable sleeve 9 to rotate synchronously through the bolt 5, and then the switch is placed on the upper surface of the storage plate 3. Then, the above operation is reversed, and the movable sleeve 9 is reset under the drive of the limit frame 7. Then, the electric push rod 6 is started to push the rubber pressure block 8 to squeeze the upper surface of the switch, thereby fixing the switch, thereby further improving the efficiency of fixing switches of different shapes;

[0035] In one embodiment, Figure 1-Figure 3 As shown, the flip mechanism includes:

[0036] A limit assembly is provided above the support column 4, and is used to flip and limit the limit frame 7;

[0037] The limiting component is a connecting rotating frame 2010 provided above the support column 4. The connecting rotating frame 2010 is located between the two connecting plates 10. The connecting rotating frame 2010 is rotatably connected to the two connecting plates 10 via a rotating shaft. The connecting rotating frame 2010 is fixedly connected to the limiting frame 7. The outer shape of the connecting rotating frame 2010 is C-shaped.

[0038] The connecting rotating frame 2010 is provided with a rotating assembly, which is used to drive the connecting rotating frame 2010 to flip;

[0039] In one embodiment, Figure 1-Figure 3 As shown, the rotating assembly includes:

[0040] The first gear 201 is located inside the connecting frame 2010. The first gear 201 is fixedly connected to the connecting frame 2010 via a connecting shaft. The outer wall of the first gear 201 is meshed with a rack 202. The rack 202 is slidably connected to the support column 4 up and down. The connecting shaft is fixedly connected to the connecting frame 2010, so that the first gear 201 can be driven by the meshing of the rack 202 to drive the connecting frame 2010 to rotate synchronously.

[0041] A lifting assembly is provided at the bottom end of the rack 202, and the lifting assembly is used to drive the rack 202 to move up and down.

[0042] In one embodiment, Figure 2-Figure 3 As shown, the lifting assembly includes:

[0043] The screw rod 204 is arranged below the rack 202. The screw rod 204 is located inside the support column 4. The screw rod 204 is rotatably connected to the support column 4 through a rotating shaft. The outer wall of the screw rod 204 is sleeved with a lifting sleeve 203. The lifting sleeve 203 is threadedly connected to the screw rod 204. The lifting sleeve 203 is connected to the support column 4 for sliding up and down. The lifting sleeve 203 is fixedly connected to the rack 202. Driven by the outer wall thread of the screw rod 204, the lifting sleeve 203 can drive the rack 202 to slide and descend along the inner wall of the support column 4.

[0044] A transmission assembly is provided at the bottom end of the screw rod 204 , and the transmission assembly is used to drive the screw rod 204 to rotate.

[0045] In one embodiment, Figure 3 As shown, the transmission assembly includes:

[0046] A transmission rotating rod 205 is fixedly connected to the bottom end of the screw rod 204, and the transmission rotating rod 205 passes through the support column 4 to the inside of the base plate 1. The transmission rotating rod 205 is rotatably connected to the base plate 1 and the support column 4. The bottom end of the transmission rotating rod 205 is fixedly connected to the second gear 206, and the second gear 206 is located inside the base plate 1. The inside of the base plate 1 is rotatably connected to a gear ring 207, and the gear ring 207 is meshed with the second gears 206 below the multiple support columns 4. The gear ring 207 can make the second gears 206 below the multiple support columns 4 rotate under the meshing drive of the gear ring 207. At the same time, the screw rods 204 inside the multiple support columns 4 are all rotated synchronously under the drive of the second gear 206 through the transmission rotating rod 205;

[0047] A driving assembly is provided on the bottom plate 1, and the driving assembly is used to drive the gear ring 207 to rotate;

[0048] In one embodiment, Figure 2-Figure 3 As shown, the drive components include:

[0049] A motor 209 is installed at the top end of one end of the base plate 1 , and an output end of the motor 209 is fixedly connected to a third gear 208 . The third gear 208 is located inside the base plate 1 , and the third gear 208 is meshed with the gear ring 207 .

[0050] The above embodiment discloses a switch test fixture, wherein, during use, the bolt 5 is rotated by a tool to release the fixation of the movable sleeve 9. Then, according to the size of the switch, the movable sleeve 9 is pulled along the outer wall of the limit frame 7 to move to a suitable position, so as to facilitate the fixation of switches of different shapes. When the position of the movable sleeve 9 is adjusted, the bolt 5 is rotated to threadably engage with the thread groove on the limit frame 7, thereby fixing the movable sleeve 9.

[0051] Then, the motor 209 is started to drive the third gear 208 to rotate. At the same time, the gear ring 207 rotates along the inner wall of the bottom plate 1 under the meshing drive of the third gear 208. At this time, the second gear 206 under the multiple support columns 4 is rotated under the meshing drive of the gear ring 207. At the same time, the transmission rotating rod 205 drives the screw rod 204 to rotate under the drive of the second gear 206. At this time, the lifting sleeve 203 drives the rack 202 to slide down along the inner wall of the support column 4 under the drive of the outer wall thread of the screw rod 204. At the same time, the first gear 201 is driven by the meshing drive of the rack 202 to drive the connecting turret 2010 to rotate synchronously through the connecting shaft. At the same time, the limit frame 7 is driven by the connecting turret 2010 to drive the movable sleeve block 9 to rotate synchronously through the bolt 5;

[0052] Then, the switch is placed on the upper surface of the storage plate 3, and the above operation is reversed. The movable sleeve 9 can be reset under the drive of the limit frame 7, and then the electric push rod 6 is started to push the rubber pressure block 8 to squeeze the upper surface of the switch. In this way, the switches with different shapes can be fixed by squeezing them at multiple locations, thereby further improving the efficiency of fixing switches with different shapes.

[0053] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A switch test fixture, comprising a base plate (1), a storage plate (3) fixedly connected to the top of the base plate (1), a plurality of support columns (4) fixedly connected to the top of the base plate (1) at equal intervals in the circumferential direction, the tops of the plurality of support columns (4) are symmetrically fixedly connected to two connecting plates (10), and a limit frame (7) is provided on the side where the plurality of support columns (4) are close to each other, characterized in that: The bottom plate (1) is provided with a turning mechanism for driving the limiting frames (7) on one side of the plurality of support columns (4) to rotate synchronously.

2. A switch test fixture according to claim 1, characterized in that: The flip mechanism comprises: a limit assembly arranged above the support column (4), the limit assembly being used to flip and limit the limit frame (7); The limiting assembly is a connecting rotating frame (2010) arranged above the support column (4), the connecting rotating frame (2010) is located between the two connecting plates (10), the connecting rotating frame (2010) is rotatably connected to the two connecting plates (10) via a rotating shaft, the connecting rotating frame (2010) is fixedly connected to the limiting frame (7), and the outer shape of the connecting rotating frame (2010) is C-shaped; The connecting rotating frame (2010) is provided with a rotating assembly, and the rotating assembly is used to drive the connecting rotating frame (2010) to turn over.

3. A switch test fixture according to claim 2, characterized in that: The rotating assembly comprises: a first gear (201) located inside the connecting rotating frame (2010), the first gear (201) being fixedly connected to the connecting rotating frame (2010) via a connecting shaft, a rack (202) being meshedly connected to the outer wall of the first gear (201), and the rack (202) being slidably connected to the supporting column (4) up and down; A lifting assembly is provided at the bottom end of the rack (202), and the lifting assembly is used to drive the rack (202) to move up and down.

4. A switch test fixture according to claim 3, characterized in that: The lifting assembly comprises: a screw rod (204) arranged below the rack (202), the screw rod (204) being located inside the support column (4), the screw rod (204) being rotatably connected to the support column (4) via a rotating shaft, a lifting sleeve (203) being sleeved on the outer wall of the screw rod (204), the lifting sleeve (203) being threadedly connected to the screw rod (204), the lifting sleeve (203) being slidably connected to the support column (4) up and down, and the lifting sleeve (203) being fixedly connected to the rack (202); A transmission assembly is provided at the bottom end of the screw rod (204), and the transmission assembly is used to drive the screw rod (204) to rotate.

5. A switch test fixture according to claim 4, characterized in that: The transmission assembly comprises: a transmission rotating rod (205) fixedly connected to the bottom end of the screw rod (204), the transmission rotating rod (205) passing through the support column (4) to the inside of the bottom plate (1), the transmission rotating rod (205) being rotatably connected to the bottom plate (1) and the support column (4), the bottom end of the transmission rotating rod (205) being fixedly connected to a second gear (206), the second gear (206) being located inside the bottom plate (1), the inside of the bottom plate (1) being rotatably connected to a gear ring (207), the gear ring (207) being meshed and connected to the second gears (206) below the plurality of support columns (4); A driving assembly is provided on the base plate (1), and the driving assembly is used to drive the gear ring (207) to rotate.

6. A switch test fixture according to claim 5, characterized in that: The driving assembly comprises: a motor (209) mounted on the top end of one end of the base plate (1); an output end of the motor (209) is fixedly connected to a third gear (208); the third gear (208) is located inside the base plate (1); and the third gear (208) is meshed with a gear ring (207).

7. The switch test fixture according to claim 1, characterized in that: A movable sleeve block (9) is slidably sleeved on the limit frame (7), a bolt (5) is provided at one end of the movable sleeve block (9), the bolt (5) passes through the movable sleeve block (9) and is threadedly connected to the limit frame (7), and a plurality of thread grooves threadedly connected to the bolt (5) are provided on the limit frame (7) at equal intervals in the horizontal direction.

8. The switch test fixture according to claim 7, characterized in that: An electric push rod (6) is installed on the top of the movable sleeve block (9), and a rubber pressing block (8) is fixedly connected to the output end of the electric push rod (6), and the rubber pressing block (8) is located below the movable sleeve block (9).