Inductance switch with protection structure

Abstract

The utility model discloses an inductance switch with a protection structure, comprising an inductance switch body, the upper end of the inductance switch body is provided with an inductive head, the outer surface of the inductive head is provided with a protection mechanism, the protection mechanism comprises a fixing ring and a protection ring, the fixing ring is arranged on the outer surface of the inductive head, and the upper end of the fixing ring is provided with a positioning ring. The side face of the positioning ring is provided with a plurality of sliding grooves, the sliding grooves are internally provided with fixing rods, the outer surfaces of the fixing rods are slidably connected with sliding blocks, the outer surfaces of the fixing rods are sleeved with first springs, the side face of the positioning ring is slidably connected with a protection ring, and the inner wall of the protection ring is fixedly connected with the sliding blocks. And the elastic mechanism is fixedly connected with the protection ring. According to the utility model, the inductive head is protected through the protection ring and the arc-shaped protection plate, the inductive head is prevented from being directly impacted, and meanwhile, the trigger switch I and the trigger switch II can control an external alarm to give out an alarm sound to remind a worker.

Description

TECHNICAL FIELD

[0001] The utility model relates to inductance switch field, concretely relates to a kind of inductance switch with protection structure. BACKGROUND

[0002] Inductive proximity switch is a low-cost way for non-contact detection of metal objects, when the metal object moves towards or moves out of the proximity switch, the signal will automatically change, so as to achieve the purpose of detection. The existing inductance switch does not have a protection structure, and the inductive head of the inductance switch is exposed and can be directly impacted, which is easy to damage. Therefore, the skilled person in the art provides an inductance switch with a protection structure to solve the problems raised in the above background. SUMMARY

[0003] To solve the above technical problems, the utility model provides an inductance switch with a protection structure, which comprises an inductance switch body, an inductive head mounted on the upper end of the inductance switch body, a protection mechanism mounted on the outer surface of the inductive head, the protection mechanism comprising a fixing ring and a protection ring, the fixing ring being mounted on the outer surface of the inductive head, the fixing ring having a positioning ring mounted on the upper end thereof;

[0004] A plurality of sliding grooves are formed in the side surface of the positioning ring, a fixed rod is mounted in the sliding grooves, the outer surface of the fixed rod is slidably connected with a sliding block, a spring one is sleeved on the outer surface of the fixed rod, the protection ring is slidably connected with the side surface of the positioning ring, the inner wall of the protection ring is fixedly connected with the sliding block, arc-shaped protection plates are symmetrically arranged on the side surface of the protection ring, elastic mechanisms are mounted at both ends of the arc-shaped protection plates, and the elastic mechanisms are fixedly connected with the protection ring.

[0005] Preferably, a trigger switch one is mounted on the side surface of the fixing ring, and a pressing block is mounted at the lower end of the protection ring, corresponding to the position of the trigger switch one.

[0006] Preferably, a trigger switch two is symmetrically mounted on the side surface of the protection ring, corresponding to the position of the arc-shaped protection plate.

[0007] Preferably, the trigger switch one and the trigger switch two are both externally connected with an alarm.

[0008] Preferably, the elastic mechanism comprises a hollow rod and a moving block, the hollow rod is fixedly connected with the protection ring, and the moving block is slidably connected in the hollow rod.

[0009] Preferably, a spring two is mounted at one end of the moving block, a solid rod is mounted at the other end of the moving block, and the solid rod passes through the hollow rod to be fixedly connected with the arc-shaped protection plate.

[0010] The utility model has the following technical effects and advantages:

[0011] The utility model discloses a protection ring and arc protection board to protect the inductive head, avoid the inductive head to be hit directly, simultaneously, trigger switch one and trigger switch two will control the alarm of external connection to send the alarm sound and remind staff. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structural diagram of the application;

[0013] Fig. 2 It is the structural diagram of the application positioning ring;

[0014] Fig. 3 It is the structural diagram of the application elastic mechanism;

[0015] In the drawing,

[0016] 1, inductance switch body;2, nut;3, inductive head;4, protection mechanism;5, fixed ring;6, positioning ring;7, sliding slot;8, fixed rod;9, sliding block;10, spring one;

[0017] 11, protection ring;12, press block;13, trigger switch one;14, arc protection board;15, elastic mechanism;16, hollow rod;17, moving block;18, spring two;19, solid rod;20, trigger switch two. DETAILED DESCRIPTION

[0018] The utility model makes further detailed explanation in combination with the drawing and specific implementation. The embodiment of the utility model is given for example and description, and is not exhaustive or limit the utility model to the disclosed form. Many modifications and changes are obvious to the ordinary skilled person in the art. The embodiment is selected and described to better illustrate the principle and practical application of the utility model, and make the ordinary skilled person in the art understand the utility model to design various embodiments with various modifications suitable for specific use.

[0019] Please refer to Figs. 1-3In this embodiment, an inductance switch with a protection structure is provided, comprising an inductance switch body 1, a plurality of nuts 2 are mounted on the outer surface of the inductance switch body 1, an induction head 3 is mounted on the upper end of the inductance switch body 1, a protection mechanism 4 is mounted on the outer surface of the induction head 3, the protection mechanism 4 comprises a fixing ring 5 and a protection ring 11, the fixing ring 5 is mounted on the outer surface of the induction head 3, a positioning ring 6 is mounted on the upper end of the fixing ring 5, a plurality of sliding grooves 7 are formed in the side surface of the positioning ring 6, a fixed rod 8 is mounted in the sliding groove 7, a sliding block 9 is connected with the outer surface of the fixed rod 8 in a sliding mode, a spring I 10 is sleeved on the outer surface of the fixed rod 8, and the spring I 10 is located below the sliding block 9, the protection ring 11 is connected with the side surface of the positioning ring 6 in a sliding mode, and the sliding block 9 is fixedly connected with the inner wall of the protection ring 11, a trigger switch I 13 is mounted on the side surface of the fixing ring 5, a pressing block 12 is mounted on the lower end of the protection ring 11, and the pressing block 12 corresponds to the position of the trigger switch I 13, arc-shaped protection plates 14 are symmetrically arranged on the side surface of the protection ring 11, elastic mechanisms 15 are mounted at both ends of the arc-shaped protection plates 14, and the elastic mechanisms 15 are fixedly connected with the protection ring 11, the elastic mechanism 15 comprises a hollow rod 16 and a moving block 17, the hollow rod 16 is fixedly connected with the protection ring 11, the moving block 17 is connected with the inside of the hollow rod 16 in a sliding mode, a spring II 18 is mounted at one end of the moving block 17, a solid rod 19 is mounted at the other end of the moving block 17, and the solid rod 19 passes through the hollow rod 16 to fixedly connect the arc-shaped protection plate 14, trigger switches II 20 are symmetrically mounted on the side surface of the protection ring 11, and the trigger switches II 20 correspond to the positions of the arc-shaped protection plates 14, and the trigger switch I 13 and the trigger switch II 20 are both connected with an alarm.

[0020] The working principle of the utility model is: when the induction head 3 is impacted in the front, the protection ring 11 is first impacted, so that the protection ring 11 slides on the outer surface of the positioning ring 6, meanwhile, the protection ring 11 drives the sliding block 9 to move and compresses the spring I 10 to relieve the impact force, meanwhile, the induction head 3 is avoided from being directly impacted through the protection ring 11, meanwhile, the protection ring 11 drives the pressing block 12 to descend and press the trigger switch I 13, and the trigger switch I 13 controls the alarm to issue an alarm sound to remind the staff.

[0021] When the side surface of the induction head 3 is impacted, the arc-shaped protection plate 14 is first impacted, so that the arc-shaped protection plate 14 drives the solid rod 19 to move, the solid rod 19 drives the moving block 17 to move and compresses the spring II 18 to relieve the impact force, meanwhile, the induction head 3 is avoided from being directly impacted through the arc-shaped protection plate 14, meanwhile, the arc-shaped protection plate 14 moves to the position and presses the trigger switch II 20, and the trigger switch II 20 controls the alarm to issue an alarm sound to remind the staff.

[0022] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. An inductive switch with a protective structure, comprising an inductive switch body (1), characterized in that, The inductance switch body (1) is provided with an inductive head (3) at the upper end, and a protection mechanism (4) is arranged on the outer surface of the inductive head (3); the protection mechanism (4) comprises a fixing ring (5) and a protection ring (11); the fixing ring (5) is arranged on the outer surface of the inductive head (3), and a positioning ring (6) is arranged at the upper end of the fixing ring (5); A plurality of sliding grooves (7) are formed in the side surface of the positioning ring (6), and a fixed rod (8) is arranged in the sliding grooves (7); the fixed rod (8) is slidably connected with a sliding block (9) on the outer surface; a spring (10) is arranged on the outer surface of the fixed rod (8); the protection ring (11) is slidably connected with the side surface of the positioning ring (6), and the inner wall of the protection ring (11) is fixedly connected with the sliding block (9); arc-shaped protection plates (14) are symmetrically arranged on the side surface of the protection ring (11), and elastic mechanisms (15) are arranged at the two ends of the arc-shaped protection plates (14); and the elastic mechanisms (15) are fixedly connected with the protection ring (11).

2. An inductive switch with protective structure according to claim 1, characterized in that, The fixing ring (5) is provided with a trigger switch (13) on the side surface, and the protection ring (11) is provided with a pressing block (12) at the lower end, which corresponds to the position of the trigger switch (13).

3. The inductive switch with protective structure according to claim 1, characterized in that, The protection ring (11) is provided with a trigger switch (20) on the side surface, which corresponds to the position of the arc-shaped protection plate (14).

4. The inductive switch with protective structure according to claim 2, wherein, The trigger switch (13) and the trigger switch (20) are both externally connected with alarm devices.

5. The inductive switch with protective structure according to claim 1, wherein, The elastic mechanism (15) comprises a hollow rod (16) and a moving block (17); the hollow rod (16) is fixedly connected with the protection ring (11), and the moving block (17) is slidably connected in the hollow rod (16).

6. An inductive switch with protective structure according to claim 5, characterized in that, The moving block (17) is provided with a spring (18) at one end, and a solid rod (19) is arranged at the other end of the moving block (17); and the solid rod (19) passes through the hollow rod (16) and is fixedly connected with the arc-shaped protection plate (14).

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