Contactless contactor with protection mechanism
By designing a protective case and locking mechanism in a contactless contactor, the contactor body isolates from the outside, solving the problems of easy damage and safety hazards of the contactor in the exposed state, and achieving a safe and reliable use effect.
Patent Information
- Application Number
- CN202422079868.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-27
AI Technical Summary
Existing contactless contactors are prone to damage to the contactor or electric shock caused by accidental contacts or external factors when exposed, which poses safety hazards.
A contactless contactor with a protective mechanism is designed. By providing a protective case at one end of the placement plate and using it in conjunction with the locking mechanism, the contactor body is isolated from the outside, especially the high-voltage component is isolated from the outside touch and touch electrically.
Effectively protect personnel safety, prevent electric shock accidents, and ensure the stability and convenience of use of contactors.
Smart Images
Figure CN222966012U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of contactors, in particular to a contactless contactor with a protection mechanism. Background Art
[0002] A contactor is a switching electrical appliance that uses electromagnetic, pneumatic or hydraulic principles to realize the on-off of the main circuit through a control circuit. It cannot cut off short-circuit current, so it usually needs to be used in cooperation with a fuse.
[0003] In the existing related technologies, the inventor believes that there are often the following defects: the existing contactless contactors are usually exposed in the external environment without corresponding protection mechanisms, and are easily damaged or cause electric shock to personnel due to accidental touch or external factors, presenting certain potential safety hazards. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is: in the prior art, when the contactless contactor is in an exposed state, its sensitive control circuit and contacts are easily accidentally touched by external objects, resulting in misoperation or damage of the contactor. For this reason, we propose a contactless contactor with a protection mechanism.
[0005] To achieve the above object, the present application adopts the following technical solution: a contactless contactor with a protection mechanism, including a placement plate, one end of the placement plate is provided with a contactor body, one end of the placement plate is fixedly connected with a fixing plate, two moving grooves are opened at one end of the placement plate, a moving block is slidably connected inside the moving groove, one end of the moving block is fixedly connected with a protective shell, wiring grooves are opened on both sides of the protective shell, and a notch is opened at the bottom of the protective shell;
[0006] A locking mechanism for fixing the position of the protective shell is installed inside the notch.
[0007] Preferably, the locking mechanism includes an extension block installed on the top of the fixing plate, a pushing block is fixedly connected to the top of the extension block, through grooves are opened on both sides of the inner cavity of the notch, two square grooves are opened at one end of the protective shell, a connecting rod is slidably connected inside the through groove, a stress block is fixedly connected to one side of the connecting rod, and a pulling plate is fixedly connected to the other side of the connecting rod.
[0008] Preferably, a return spring is fixedly connected to one side of the stress block, and the other side of the return spring is fixedly connected to the inside of the notch.
[0009] Preferably, the shape of one side of the stress block and the shapes of both sides of the pushing block are both semi-circular.
[0010] Preferably, a top force spring is fixedly connected to the bottom of the moving block, and the bottom of the top force spring is fixedly connected to the bottom of the inner cavity of the moving groove.
[0011] Preferably, limiting grooves are formed on both sides of the inner cavity of the moving groove, limiting blocks are fixedly connected to both sides of the moving block, and the surface of the limiting block is slidably connected to the inside of the limiting groove.
[0012] Preferably, a damping pad is fixedly connected to the top of the inner cavity of the moving groove, and the bottom of the damping pad abuts against the top of the moving block.
[0013] The technical effects and advantages of the present utility model:
[0014] In the present utility model, by providing a protective shell at one end of the placement plate and cooperating with the locking mechanism, the contactor body can be isolated from the outside, especially isolating the internal high-voltage components from external touch electricity and contact electricity, thereby protecting personal safety and preventing electric shock accidents. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the front view structural schematic diagram of the present utility model;
[0016] Figure 2 is the internal structure cross-sectional view of the moving groove of the present utility model;
[0017] Figure 3 is the cross-sectional view of the locking structure of the present utility model;
[0018] Figure 4 is the present utility model Figure 1 magnified schematic diagram at A;
[0019] Figure 5 is the cross-sectional view of the limiting structure of the present utility model.
[0020] Legend: 1, placement plate; 2, contactor body; 3, moving groove; 4, moving block; 5, protective shell; 6, wiring groove; 7, fixing plate; 8, extension block; 9, pushing block; 10, notch; 11, square groove; 12, through groove; 13, connecting rod; 14, force-receiving block; 15, pulling plate; 16, return spring; 17, top force spring; 18, limiting groove; 19, limiting block; 20, damping pad. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] Now, the present utility model will be further described in detail with reference to the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.
[0022] Refer to Figure 1 and Figure 2As shown in the figure, the utility model provides a technical solution: a contactless contactor with a protection mechanism, which includes a placement board 1. One end of the placement board 1 is installed with a contactor body 2. One end of the placement board 1 is fixedly connected with a fixing board 7. Two moving slots 3 are opened at one end of the placement board 1. A moving block 4 is slidably connected inside the moving slot 3. One end of the moving block 4 is fixedly connected with a protective shell 5. Wiring slots 6 are opened on both sides of the protective shell 5. A notch 10 is opened at the bottom of the protective shell 5;
[0023] A locking mechanism for fixing the position of the protective shell 5 is installed inside the notch 10. By setting the protective shell 5 at one end of the placement board 1 and cooperating with the locking mechanism, the contactor body 2 can be isolated from the outside, especially isolating the internal high-voltage components from external touch electricity and contact electricity, thereby protecting the safety of personnel and preventing the occurrence of electric shock accidents.
[0024] Refer to Figure 1 、 Figure 2 and Figure 3 As shown in the figure, in this implementation scheme: the locking mechanism includes an extension block 8 installed on the top of the fixing board 7. A pushing block 9 is fixedly connected to the top of the extension block 8. Through slots 12 are opened on both sides of the inner cavity of the notch 10. Two square slots 11 are opened at one end of the protective shell 5. A connecting rod 13 is slidably connected inside the through slot 12. A stress block 14 is fixedly connected to one side of the connecting rod 13. A pulling plate 15 is fixedly connected to the other side of the connecting rod 13. The staff pulls the protective shell 5 downward, so that the protective shell 5 drives the moving block 4 to slide inside the moving slot 3. When the protective shell 5 moves to the lowest position, the pushing block 9 will enter the notch 10, and then the stress block 14 moves inside the notch 10. As the stress block 14 moves, the connecting rod 13 slides inside the through slot 12. At this time, the distance between the pushing block 9 and the pulling plate 15 gradually decreases until the bottom of the pushing block 9 abuts against the top of the stress block 14, thereby locking the protective shell 5 and ensuring the stability during use.
[0025] Refer to Figure 1 and Figure 3 As shown in the figure, in this implementation scheme: a reset spring 16 is fixedly connected to one side of the stress block 14. One side of the reset spring 16 is fixedly connected to the inside of the notch 10. Through the setting of the reset spring 16, when the stress block 14 is subjected to the thrust of the pushing block 9, it will move along the preset direction. At this time, the reset spring 16 will deform accordingly, absorb and store energy. Once the thrust disappears, the reset spring 16 will release the stored energy and push the stress block 14 to quickly return to its original position, thereby realizing the automatic reset function of the device.
[0026] Refer to Figure 1 and Figure 3As shown, in this implementation: The shape on one side of the force-receiving block 14 and the shapes on both sides of the pushing block 9 are both semi-circular. The semi-circular design makes the contact between the force-receiving block 14 and the pushing block 9 smoother. At the same time, due to the semi-circular design, when the pushing block 9 moves, it can slide more precisely along the semi-circular surface of the force-receiving block 14, ensuring the accuracy of the movement.
[0027] Refer to Figure 4 As shown, in this implementation: A top force spring 17 is fixedly connected to the bottom of the moving block 4, and the bottom of the top force spring 17 is fixedly connected to the bottom of the inner cavity of the moving groove 3. When the staff releases the locking of the protective shell 5, the top force spring 17 will drive the protective shell 5 to move upward quickly, facilitating the staff to operate and use the contactor body 2, making it more convenient for the staff during use.
[0028] Refer to Figure 5 As shown, in this implementation: Limiting grooves 18 are provided on both sides of the inner cavity of the moving groove 3, and limiting blocks 19 are fixedly connected to both sides of the moving block 4. The surface of the limiting block 19 is slidably connected to the inside of the limiting groove 18. The cooperation of the limiting block 19 and the limiting groove 18 effectively limits the moving range of the moving block 4 in the moving groove 3, ensuring the stability and accuracy of the moving block 4 during movement. At the same time, the sliding connection between the limiting block 19 and the limiting groove 18 also has a certain guiding effect, helping to ensure that the moving block 4 always stays on the correct track during movement.
[0029] Refer to Figure 5 As shown, in this implementation: A damping pad 20 is fixedly connected to the top of the inner cavity of the moving groove 3, and the bottom of the damping pad 20 abuts against the top of the moving block 4. The setting of the damping pad 20 can buffer the moving block 4 when the protective shell 5 rebounds upward, thus preventing the protective shell 5 from damaging the moving block 4 due to excessive impact force during the rebounding process.
[0030] Working principle: By setting a protective shell 5 at one end of the placement board 1 and cooperating with the locking mechanism, the contactor body 2 can be isolated from the outside, especially isolating the internal high-voltage components from external touch electricity and contact electricity, thus protecting the safety of personnel and preventing electric shock accidents. The staff can pull down the protective shell 5, causing the protective shell 5 to drive the moving block 4 to slide inside the moving groove 3. When the protective shell 5 moves to the lowest position, the pushing block 9 will enter the inside of the notch 10, and then the stress block 14 will move inside the notch 10. As the stress block 14 moves, the connecting rod 13 slides inside the through groove 12. At this time, the distance between the pushing block 9 and the pulling plate 15 gradually decreases until the bottom of the pushing block 9 abuts against the top of the stress block 14, thereby locking the protective shell 5 and ensuring the stability during use. Through the setting of the return spring 16, when the stress block 14 is subjected to the thrust of the pushing block 9, it will move along the preset direction. At this time, the return spring 16 will deform accordingly, absorb and store energy. Once the thrust disappears, the return spring 16 will release the stored energy and push the stress block 14 back to its original position quickly, thus realizing the automatic reset function of the device. The semi-circular design makes the contact between the stress block 14 and the pushing block 9 smoother. At the same time, due to the semi-circular design, when the pushing block 9 moves, it can slide more precisely along the semi-circular surface of the stress block 14, ensuring the accuracy of the movement. When the staff releases the lock on the protective shell 5, the top force spring 17 will drive the protective shell 5 to move up quickly, facilitating the staff to operate and use the contactor body 2, making it more convenient for the staff during use. The cooperation of the limit block 19 and the limit groove 18 effectively limits the movement range of the moving block 4 inside the moving groove 3, ensuring the stability and accuracy of the moving block 4 during movement. At the same time, the sliding connection between the limit block 19 and the limit groove 18 also has a certain guiding effect, helping to ensure that the moving block 4 always stays on the correct track during movement. Through the setting of the damping pad 20, when the protective shell 5 rebounds upward, it can play a buffering role for the moving block 4, thus avoiding damage to the moving block 4 caused by excessive impact force during the rebound of the protective shell 5.
[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A contactless contactor with a protective mechanism, comprising a placement plate (1), one end of which is mounted a contactor body (2), characterized in that: One end of the placement plate (1) is fixedly connected to a fixed plate (7), one end of the placement plate (1) is provided with two movable grooves (3), the interior of the movable groove (3) is slidably connected to a movable block (4), one end of the movable block (4) is fixedly connected to a protective shell (5), both sides of the protective shell (5) are provided with wiring grooves (6), and the bottom of the protective shell (5) is provided with a notch (10); A locking mechanism for fixing the position of the protective shell (5) is installed inside the notch (10).
2. A contactless contactor with a protective mechanism according to claim 1, characterized in that: The locking mechanism comprises an extension block (8) mounted on the top of the fixing plate (7), the top of the extension block (8) is fixedly connected to a push block (9), both sides of the inner cavity of the notch (10) are provided with through grooves (12), one end of the protective shell (5) is provided with two square grooves (11), the interior of the through groove (12) is slidably connected to a connecting rod (13), one side of the connecting rod (13) is fixedly connected to a force block (14), and the other side of the connecting rod (13) is fixedly connected to a pulling plate (15).
3. A contactless contactor with a protection mechanism according to claim 2, characterized in that: A return spring (16) is fixedly connected to one side of the force bearing block (14), and one side of the return spring (16) is fixedly connected to the inside of the notch (10).
4. A contactless contactor with a protection mechanism according to claim 2, characterized in that: The shape of one side of the force bearing block (14) and the shapes of two sides of the pushing block (9) are both semi-arc-shaped.
5. A contactless contactor with a protection mechanism according to claim 1, characterized in that: The bottom of the moving block (4) is fixedly connected to a push spring (17), and the bottom of the push spring (17) is fixedly connected to the bottom of the inner cavity of the moving groove (3).
6. A contactless contactor with a protection mechanism according to claim 1, characterized in that: Limiting grooves (18) are provided on both sides of the inner cavity of the movable groove (3), and limiting blocks (19) are fixedly connected to both sides of the movable block (4), and the surface of the limiting block (19) is slidably connected to the inside of the limiting groove (18).
7. A contactless contactor with a protection mechanism according to claim 1, characterized in that: A damping pad (20) is fixedly connected to the top of the inner cavity of the movable groove (3), and the bottom of the damping pad (20) abuts against the top of the movable block (4).