CN214987677U

CN214987677U - Protection device of material level switch

Info

Publication number: CN214987677U
Application number: CN202121154842.4U
Authority: CN
Inventors: 吴辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-03
Anticipated expiration: 2031-05-26

Abstract

The application discloses a protection device of a material level switch, which comprises a connecting plate, a buffer structure and a protection structure, wherein a detection rod is sleeved in the connecting plate, and the side end of the detection rod is fixed on a switch main body; the buffer structure comprises a moving plate, the moving plates are evenly arranged in the connecting plates on the outer sides of the detecting rods, and the moving rods are fixed on the outer sides of the moving plates. Through movable plate and the cooperation of first spring, cushion protection to the probe rod, make the probe rod when receiving the article striking, can offset partial extrusion force through first spring, avoid the probe rod directly to receive the striking after damaging, protection device's protection effect has been improved, guarantee simultaneously that the probe rod can normal use, cushion protection to the connecting plate through the guard plate, the problem of current traditional protection device influence switch main part warning effect when using has been solved, also can protect the switch main part simultaneously, protection device's usability has been improved.

Description

Protection device of material level switch

Technical Field

The application relates to a protection device, in particular to a protection device of a level switch.

Background

Level gauging is generally used to measure the level of material (solids or liquid level) in a closed or open container in an industrial process, and level gauges are commonly used to monitor the level of liquids or solids, including slurries and particulate solids.

Level switch is when using, needs object and gauge rod direct contact, but when the material height rose, when material volume and hardness were great, the gauge rod was strikeed to the material back of rising, cause the gauge rod to damage easily, and the protection device of current level switch, all can only protect the switch main part, protection device's protection effect has been reduced, and traditional protection device is when using, generally all establish the guard plate cover in the switch main part, the alarm effect of level switch may be influenced, protection device's practicality has been reduced. Therefore, a protection device for a level switch is proposed to address the above problems.

Disclosure of Invention

A protection device of a material level switch comprises a connecting plate, a buffer structure and a protection structure, wherein a detection rod is sleeved in the connecting plate, and the side end of the detection rod is fixed on a switch main body;

the buffer structure comprises a movable plate, the movable plate is uniformly arranged in a connecting plate outside the detection rod, movable rods are fixed on the outer sides of the movable plates, a movable groove matched with the movable rods is formed in the connecting plate, first springs are fixed between the outer ends of the movable rods and the outer ends of the movable groove, fixed plates are fixed on two sides of the connecting plate, and limiting plates are fixed on the detection rods of the inner rings of the fixed plates;

protective structure includes the guard plate, the connecting plate side is provided with the guard plate, and all is fixed with the bracing piece in the side around the guard plate, the bracing piece surface all overlaps and is equipped with fixed loop bar, and the fixed loop bar other end all fixes on the connecting plate, the inside bracing piece end of fixed loop bar all is fixed with the stopper, and all is fixed with the second spring between stopper and the fixed loop bar inside.

Furthermore, a rubber pad is glued on one side of the moving plate close to the detection rod, and the moving plate and the rubber pad are both arranged in an arc shape matched with the moving plate.

Furthermore, the moving grooves are all arranged to be T-shaped and matched with the moving rod, and movable holes matched with the detecting rod are formed in the connecting plates.

Further, all equalling seted up the fixed orifices on fixed plate and the connecting plate, the inner circle diameter of fixed plate all is greater than the outer lane diameter of limiting plate, the fixed plate all sets up to annular with connecting plate complex.

Further, the diameter length of the limiting plates is larger than that of the movable holes, and the length of the limiting plates is equal to that of the fixing plates.

Further, the height of guard plate is greater than the height of connecting plate, the width of guard plate is greater than the width of connecting plate, fixed loop bar is inside all to be seted up with bracing piece and stopper complex "T" shape groove.

The beneficial effect of this application is: the application provides a protection device of a level switch.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of an embodiment of the present application in elevation;

FIG. 2 is a schematic side sectional view of a connection plate according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional side view of an embodiment of the present application;

fig. 4 is a schematic front sectional view of a partial structure according to an embodiment of the present application.

In the figure: 1. connecting plate, 2, switch main part, 3, probe rod, 4, movable plate, 5, carriage release lever, 6, rubber pad, 7, shifting chute, 8, first spring, 9, fixed plate, 10, fixed orifices, 11, limiting plate, 12, guard plate, 13, bracing piece, 14, fixed loop bar, 15, stopper, 16, second spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a protection device for a level switch includes a connection plate 1, a buffer structure and a protection structure, wherein a detection rod 3 is sleeved inside the connection plate 1, and a side end of the detection rod 3 is fixed on a switch main body 2;

the buffer structure comprises a moving plate 4, the moving plate 4 is uniformly arranged in a connecting plate 1 on the outer side of a detection rod 3, moving rods 5 are fixed on the outer sides of the moving plates 4, a moving groove 7 matched with the moving rods 5 is formed in the connecting plate 1, first springs 8 are fixed between the outer ends of the moving rods 5 and the outer ends of the moving grooves 7, fixed plates 9 are fixed on two sides of the connecting plate 1, and limiting plates 11 are fixed on the detection rods 3 on the inner rings of the fixed plates 9;

the protective structure comprises a protective plate 12, the protective plate 12 is arranged on the side edge of a connecting plate 1, supporting rods 13 are fixedly arranged on the front side and the rear side of the protective plate 12, fixed loop bars 14 are sleeved on the outer surfaces of the supporting rods 13, the other ends of the fixed loop bars 14 are fixedly arranged on the connecting plate 1, limiting blocks 15 are fixedly arranged at the ends of the supporting rods 13 inside the fixed loop bars 14, and second springs 16 are fixedly arranged between the limiting blocks 15 and the fixed loop bars 14.

Rubber pads 6 are glued on one sides, close to the detection rods 3, of the moving plates 4, the moving plates 4 and the rubber pads 6 are arranged in an arc shape matched with the moving plates 4, the detection rods 3 are protected through the rubber pads 6, abrasion between the detection rods 3 and the moving plates 4 when the detection rods 3 shake is avoided, and the moving plates 4 and the rubber pads 6 can be better attached; the moving grooves 7 are all arranged in a T shape matched with the moving rod 5, and the connecting plate 1 is internally provided with moving holes matched with the detecting rod 3, so that the moving rod 5 can only move in the connecting plate 1, and the moving rod 5 is prevented from being separated from the connecting plate 1; fixing holes 10 are uniformly formed in the fixing plate 9 and the connecting plate 1, the diameter of an inner ring of the fixing plate 9 is larger than that of an outer ring of the limiting plate 11, the fixing plate 9 is arranged in an annular shape matched with the connecting plate 1, the switch main body 2 is convenient to mount through the fixing holes 10, and the two limiting plates 11 are in limiting fit to prevent the detection rod 3 from being separated from the limiting plates 11; the diameter lengths of the limiting plates 11 are all larger than that of the movable holes, the length of each limiting plate 11 is equal to that of the fixing plate 9, and the two limiting plates 11 are matched, so that the connecting plate 1 can be fixedly sleeved on the detecting rod 3, the two sides of each limiting plate 11 and the two sides of each fixing plate 9 are in the same plane, and the switch main body 2 is conveniently installed through the connecting plate 1 and the fixing plates 9; the height of guard plate 12 is greater than the height of connecting plate 1, and the width of guard plate 12 is greater than the width of connecting plate 1, and fixed loop bar 14 is inside all to be seted up with bracing piece 13 and stopper 15 complex "T" shape groove, protects completely connecting plate 1 through guard plate 12.

This application is when using, when switch main part 2 is when using, run through fixed orifices 10 with the bolt, rethread bolt installation is fixed, when probe rod 3 receives the object striking, probe rod 3 is under the effect of striking force, extrude carriage release lever 5 through movable plate 4, make carriage release lever 5 under the effect of extrusion force at the inside first spring 8 of compression of shifting chute 7, thereby offset partial extrusion through the reaction force that first spring 8 deformation produced, can cushion protection to probe rod 3, when connecting plate 1 receives external force striking, the impact is at first acted on guard plate 12, guard plate 12 drives fixed loop bar 14 compression second spring 16 through bracing piece 13, thereby cushion protection through second spring 16 to connecting plate 1.

The application has the advantages that:

1. the protection device is simple in structure and convenient to operate, the movable plate 4 is matched with the first spring 8 to buffer and protect the detection rod 3, so that when the detection rod 3 is impacted by an object, partial extrusion force can be offset by the first spring 8, the detection rod 3 is prevented from being directly damaged after being impacted, the protection effect of the protection device is improved, and meanwhile, the detection rod 3 can be ensured to be normally used;

2. this application is rational in infrastructure, cushions the protection through guard plate 12 to connecting plate 1, has solved the problem that current traditional protection device influences switch main part 2 warning effect when using, also can protect switch main part 2 simultaneously, has improved protection device's usability.

Since the internal structure of a level switch belongs to the prior art, it is not described in this document.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A protection device for a level switch, characterized in that: the switch comprises a connecting plate (1), a buffer structure and a protection structure, wherein a detection rod (3) is sleeved in the connecting plate (1), and the side end of the detection rod (3) is fixed on a switch main body (2);

the buffer structure comprises a moving plate (4), the moving plate (4) is uniformly arranged inside a connecting plate (1) on the outer side of the detecting rod (3), moving rods (5) are fixed on the outer sides of the moving plates (4), a moving groove (7) matched with the moving rods (5) is formed inside the connecting plate (1), first springs (8) are fixed between the outer ends of the moving rods (5) and the outer ends of the moving grooves (7), fixing plates (9) are fixed on two sides of the connecting plate (1), and limiting plates (11) are fixed on the detecting rods (3) on the inner rings of the fixing plates (9);

protective structure includes guard plate (12), connecting plate (1) side is provided with guard plate (12), and all is fixed with bracing piece (13) in the side around guard plate (12), bracing piece (13) surface all overlaps and is equipped with fixed loop bar (14), and fixed loop bar (14) other end all fixes on connecting plate (1), bracing piece (13) end inside fixed loop bar (14) all is fixed with stopper (15), and all is fixed with second spring (16) between stopper (15) and fixed loop bar (14) inside.

2. A protection device for a level switch according to claim 1, wherein: one side of the moving plate (4) close to the detection rod (3) is glued with a rubber pad (6), and the moving plate (4) and the rubber pad (6) are both arranged into an arc shape matched with the moving plate (4).

3. A protection device for a level switch according to claim 1, wherein: the moving grooves (7) are all arranged to be T-shaped and matched with the moving rods (5), and moving holes matched with the detecting rods (3) are formed in the connecting plates (1).

4. A protection device for a level switch according to claim 1, wherein: all equalling seted up fixed orifices (10) on fixed plate (9) and connecting plate (1), the inner circle diameter of fixed plate (9) all is greater than the outer lane diameter of limiting plate (11), fixed plate (9) all set up to annular with connecting plate (1) complex.

5. A protection device for a level switch according to claim 1, wherein: the diameter length of the limiting plates (11) is larger than that of the movable holes, and the length of the limiting plates (11) is equal to that of the fixing plates (9).

6. A protection device for a level switch according to claim 1, wherein: the height of guard plate (12) is greater than the height of connecting plate (1), the width of guard plate (12) is greater than the width of connecting plate (1), fixed loop bar (14) inside all seted up with bracing piece (13) and stopper (15) complex "T" shape groove.