Gate opening degree sensor with limit switch

Abstract

The utility model discloses a gate opening degree sensor with a limit switch, which comprises a sensor main body, the outer wall of the sensor main body is connected with a connecting wire, and one end of the connecting wire is connected with a power supply head; the power source head is provided with an anti-falling limiting mechanism, and the anti-falling limiting mechanism comprises a plurality of fixing frames which are connected to the two sides of the power source head respectively; the multiple anti-falling plates are connected with the multiple fixing frames through rotating shafts correspondingly; the elastic assembly is connected with the anti-falling plate; and the limiting assembly is connected with the elastic assembly. According to the utility model, the arrangement mode that the fixing frame, the anti-falling plates, the elastic assembly and the limiting assembly are matched is utilized, the two anti-falling plates carry out anti-falling treatment on a switch plug cord inserted into a power supply head, and the limiting assembly fixes the anti-falling state, so that when the brake level gauge body vibrates, the switch plug cord is prevented from falling off. The plug is not easy to loosen or short-circuit with the position of the power interface due to vibration, and the possibility of damage of the brake level gauge is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to opening sensors, in particular to a gate opening sensor with a limit switch. Background Art

[0002] With the rapid progress of the times and the rapid development of society, people have entered the 5G era in the field of information transmission. What follows is the application of 5G information transmission to various industries. The gate opening sensor, that is, the valve position meter, is suitable for measuring the lifting height of various flat doors, curved doors, miter doors, gantry cranes, and bridge cranes.

[0003] At present, when people use valve position meters, they usually control the gate position meter through a switch to adjust the gate. However, since the gate is heavy as a whole and is prone to large vibrations when moving, the position where the gate position meter is connected to the switch power port is prone to short circuit or looseness, affecting the normal use of the gate position meter and being inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a gate opening sensor with a limit switch to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a gate opening sensor with a limit switch, comprising a sensor body, an outer wall of the sensor body is fixedly connected with a connecting wire, one end of the connecting wire is fixedly connected with a power supply head;

[0006] The power supply head is provided with an anti-dropping limiting mechanism, and the anti-dropping limiting mechanism comprises:

[0007] A fixing frame, wherein a plurality of the fixing frames are respectively fixedly connected to two sides of the power source head;

[0008] Anti-slip plates, wherein a plurality of anti-slip plates are rotatably connected to a plurality of fixing frames through rotating shafts;

[0009] An elastic component, wherein the elastic component is connected to the anti-slip plate;

[0010] A limiting component is connected to the elastic component and is used to position the elastic component.

[0011] Preferably, the elastic component comprises:

[0012] A slide bar, grooves are provided on both sides of the power head, and both ends of the slide bar are fixedly connected to the inner wall of the groove;

[0013] An L-shaped rod, one end of which is slidably interlaced with the sliding rod;

[0014] A rack fixedly connected to the other end of the L-shaped rod;

[0015] A gear, a rotation groove is opened in the middle of the anti-slip plate, the gear is located inside the rotation groove, the gear is fixedly inserted and connected with the rotating shaft, and the gear is meshed and connected with the rack;

[0016] A first compression spring is sleeved on the outside of the sliding rod.

[0017] Preferably, one end of the first compression spring is fixedly connected to the L-shaped rod, and the other end of the first compression spring is fixedly connected to the inner wall of the groove.

[0018] Preferably, the limiting component comprises:

[0019] A positioning rod, wherein the positioning rod is slidably connected with the L-shaped rod, positioning holes are provided on both sides of the power head, and one end of the positioning rod is slidably connected with the inner cavity of the positioning hole;

[0020] A fixing plate, the fixing plate is fixedly interlaced with the positioning rod;

[0021] A second compression spring is sleeved on the outside of the positioning rod.

[0022] Preferably, one end of the second compression spring is fixedly connected to the L-shaped rod, and the other end of the second compression spring is fixedly connected to the fixing plate.

[0023] Preferably, the other end of the positioning rod is fixedly connected with a pull ring, and the cross-section of the pull ring is in a square shape.

[0024] Technical effects and advantages of the utility model:

[0025] The utility model utilizes a setting mode in which a fixing frame, an anti-dropping plate, an elastic component and a limiting component are matched with each other, and an elastic force is provided to the anti-dropping plate by the elastic component, so that the two anti-dropping plates can prevent the switch plug wire inserted into the power head from dropping out, and the anti-dropping state is fixed by the limiting component, thereby further improving the stability of the anti-dropping, so that when the gate level meter body vibrates, the plug is not easy to become loose or short-circuited from the position of the power interface due to the vibration, thereby reducing the possibility of damage to the gate level meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 This is a schematic diagram of the internal structure of the power supply head of the utility model when viewed from above.

[0028] Figure 3 This is a schematic diagram of the internal structure of the elastic component of the utility model when viewed from above.

[0029] In the figure: 1. sensor body; 2. connecting wire; 3. power head; 4. anti-drop limit mechanism; 41. fixing frame; 42. anti-drop plate; 43. elastic component; 431. sliding rod; 432. L-shaped rod; 433. rack; 434. gear; 435. first compression spring; 44. limit assembly; 441. positioning rod; 442. fixing plate; 443. second compression spring; 5. pull ring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model provides Figure 1-3 The gate opening sensor with a limit switch shown in the figure comprises a sensor body 1, an outer wall of the sensor body 1 is fixedly connected with a connecting wire 2, and one end of the connecting wire 2 is fixedly connected with a power supply head 3;

[0032] Furthermore, an anti-drop-off limiting mechanism 4 is provided on the power head 3, and the anti-drop-off limiting mechanism 4 includes: a fixing frame 41, an anti-drop-off plate 42, an elastic component 43 and a limiting component 44. A plurality of fixing frames 41 are respectively fixedly connected to both sides of the power head 3, and the fixing frames 41 play a role in supporting the anti-drop-off plates 42; a plurality of anti-drop-off plates 42 are respectively rotatably connected to a plurality of fixing frames 41 through a rotating shaft, and a semicircular groove for the switch plug wire to pass through is provided on the opposite side of the plurality of anti-drop-off plates 42, and the two semicircular grooves can be combined into a complete circular groove, so that after the switch plug is inserted into the interior of the power head 3, only the switch plug wire is left outside, so that the internal switch plug can be limited to prevent the possibility of falling off; the elastic component 43 is connected to the anti-drop-off plate 42, mainly to provide an elastic force to the anti-drop-off plate 42, and at the same time facilitates the forward and reverse rotation of the anti-drop-off plate 42; the limiting component 44 is connected to the elastic component 43, and is used to position the elastic component 43.

[0033] Furthermore, the elastic component 43 includes: a slide rod 431, an L-shaped rod 432, a rack 433, a gear 434 and a first compression spring 435. Grooves are provided on both sides of the power head 3, and both ends of the slide rod 431 are fixedly connected to the inner wall of the groove; one end of the L-shaped rod 432 is slidably and interlacedly connected to the slide rod 431; the rack 433 is fixedly connected to the other end of the L-shaped rod 432; a rotating groove is provided in the middle of the anti-slip plate 42, and the gear 434 is located inside the rotating groove, the gear 434 is fixedly and interlacedly connected to the rotating shaft, and the gear 434 is meshed with the rack 433; the first compression spring 435 is sleeved on the outside of the slide rod 431. One end of the first compression spring 435 is fixedly connected to the L-shaped rod 432, and the other end of the first compression spring 435 is fixedly connected to the inner wall of the groove. The first compression spring 435 is always in a compressed state, thereby providing a stable elastic force to the L-shaped rod 432, so that the L-shaped rod 432 is always in an extended state, so that the gear 434 can be driven to rotate through the rack 433, so that the anti-drop plate 42 blocks the socket position of the power head 3. At this time, it can be in a stable state without external force, and this stable state can be limited and fixed by the limit assembly 44.

[0034] Furthermore, the limiting assembly 44 includes: a positioning rod 441, a fixing plate 442 and a second compression spring 443, the positioning rod 441 is slidably inserted and connected with the L-shaped rod 432, and positioning holes are provided on both sides of the power head 3. One end of the positioning rod 441 is slidably inserted and connected with the inner cavity of the positioning hole. The positioning rod 441 is inserted into the positioning hole to fix the L-shaped plate 432 in position, so that the rack 433 is kept in a fixed state, and then the anti-drop plate 42 can be fixed by the gear 434 to prevent the switch plug connected to the inside of the power head 3 from vibrating. Anti-slip treatment is performed; the fixing plate 442 is fixedly inserted and connected with the positioning rod 441; the second compression spring 443 is sleeved on the outside of the positioning rod 441, one end of the second compression spring 443 is fixedly connected to the L-shaped rod 432, and the other end of the second compression spring 443 is fixedly connected to the fixing plate 442. The second compression spring 443 is always in a compressed state, so that after one end of the positioning rod 441 is fitted with the opening of the positioning hole, the positioning rod 441 can be directly inserted into the positioning hole under the elastic force of the second compression spring 443, thereby positioning the L-shaped rod 432.

[0035] Furthermore, the other end of the positioning rod 441 is fixedly connected to a pull ring 5, and the cross-section of the pull ring 5 is in a U-shaped shape. The positioning rod 441 can be pulled by the pull ring 5, so that the positioning rod 441 is disengaged from the positioning hole, and the L-shaped rod 432 can be pulled by the pull ring 5, so that the L-shaped rod 432 drives the gear 434 to rotate through the rack 433, thereby opening the anti-detachment plate 42, and the switch plug can be inserted into the interior of the power head 3 or pulled out from the inside, which is simple and convenient to operate.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gate opening sensor with a limit switch, comprising: A sensor body (1), wherein an outer wall of the sensor body (1) is fixedly connected to a connecting wire (2), and one end of the connecting wire (2) is fixedly connected to a power supply head (3); The invention is characterized in that: the power source head (3) is provided with an anti-dropping limiting mechanism (4), and the anti-dropping limiting mechanism (4) comprises: A fixing frame (41), wherein a plurality of the fixing frames (41) are respectively fixedly connected to two sides of the power source head (3); Anti-slip plates (42), wherein a plurality of anti-slip plates (42) are rotatably connected to a plurality of fixing frames (41) via rotating shafts; An elastic component (43), wherein the elastic component (43) is connected to the anti-slip plate (42); A limiting component (44), wherein the limiting component (44) is connected to the elastic component (43) and is used to position the elastic component (43).

2. A gate opening sensor with a limit switch according to claim 1, characterized in that: The elastic component (43) comprises: A slide bar (431), grooves are provided on both sides of the power source head (3), and both ends of the slide bar (431) are fixedly connected to the inner wall of the groove; An L-shaped rod (432), one end of which is slidably interlaced with the sliding rod (431); a rack (433), wherein the rack (433) is fixedly connected to the other end of the L-shaped rod (432); A gear (434), a rotation groove is provided in the middle of the anti-slip plate (42), the gear (434) is located inside the rotation groove, the gear (434) is fixedly connected with the rotating shaft, and the gear (434) is meshed with the rack (433); A first compression spring (435), wherein the first compression spring (435) is sleeved on the outside of the sliding rod (431).

3. A gate opening sensor with a limit switch according to claim 2, characterized in that: One end of the first compression spring (435) is fixedly connected to the L-shaped rod (432), and the other end of the first compression spring (435) is fixedly connected to the inner wall of the groove.

4. A gate opening sensor with a limit switch according to claim 2, characterized in that: The limiting component (44) comprises: A positioning rod (441), the positioning rod (441) is slidably connected with the L-shaped rod (432), positioning holes are provided on both sides of the power head (3), and one end of the positioning rod (441) is slidably connected with the inner cavity of the positioning hole; A fixing plate (442), wherein the fixing plate (442) is fixedly interpenetratingly connected with the positioning rod (441); A second compression spring (443), wherein the second compression spring (443) is sleeved on the outside of the positioning rod (441).

5. A gate opening sensor with a limit switch according to claim 4, characterized in that: One end of the second compression spring (443) is fixedly connected to the L-shaped rod (432), and the other end of the second compression spring (443) is fixedly connected to the fixing plate (442).

6. A gate opening sensor with a limit switch according to claim 4, characterized in that: The other end of the positioning rod (441) is fixedly connected to a pull ring (5), and the cross section of the pull ring (5) is in a square shape.

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