CN206422757U - Proximity switch - Google Patents

Abstract

The utility model is related to a kind of proximity switch, and it includes：Housing, the inductive component being installed in housing, the line ball head for being installed on shell end, housing is provided with storage tank, loophole, enters wire casing, buckling groove and some fixed strips, loophole and enter wire casing and connected with storage tank, buckling groove is located at the both sides into wire casing, fixed strip is located in inner walls, and fixed strip is provided with inclined grab from up to down.Inductive component includes the circuit board with grab clamping, the inductive head and indicator lamp that are installed on circuit board, and indicator lamp is oppositely arranged with loophole, and line ball head is provided with one with entering deep-slotted chip breaker, two clamping blocks with buckling groove clamping that wire casing is adapted to.The proximity switch is by the setting of fixed strip, and rational in infrastructure, inductive component is difficult to loosen, and circumscripted power line is difficult for drop-off, very useful.

Description

Proximity switch

Technical field

The utility model is related to detection technique field, more particularly to a kind of proximity switch.

Background technology

Proximity switch is also known as contactless proximity switch, is preferable electronic switch sensor, and it is widely used in lathe, smelting The industries such as gold, chemical industry, light textile and printing, can be used as spacing, technology, location control and automatic protection in automation control system Link etc..Proximity switch in use, when metal detection body is close to the induction region of proximity switch, switch just can it is contactless, without pressure Power, no-spark, the position of motion and stroke at electrical command, accurate response are sent rapidly.But, traditional proximity switch Because internal structure is unreasonable, easily loosening often occurs in internal inductive component, the circumscripted power line being connected with inductive component Hold caducous phenomenon, influence the detection performance of proximity switch.

Utility model content

Based on this, it is necessary to the problem of existing for proximity switch there is provided one kind it is rational in infrastructure, be difficult loosen, external electricity Source line proximity switch difficult for drop-off.

A kind of proximity switch, including：Housing, the inductive component being installed in the housing, it is installed on the shell end Line ball head；The housing provided with storage tank, loophole, enter wire casing, buckling groove and some fixed strips, the loophole and enter Wire casing is connected with the storage tank, and the buckling groove enters the both sides of wire casing described in, and the fixed strip is located in the housing On wall, the fixed strip is provided with inclined grab from up to down；The inductive component includes the circuit with the grab clamping Plate, the inductive head and indicator lamp being installed on the circuit board, the indicator lamp are oppositely arranged with the loophole；The line ball Head provided with one with it is described enter wire casing be adapted to deep-slotted chip breaker, and the buckling groove clamping two clamping blocks.

Above-mentioned proximity switch, including housing, be installed in housing inductive component, be installed on the line ball head of shell end. Because the inwall of housing is provided with some fixed strips, inductive component is positioned by the grab clamping of circuit board and fixed strip, is difficult Loosen, it is rational in infrastructure, it is ensured that the normal operation of inductive component, and also fixed strip adds the undertaking intensity of housing.Due to pressure The end of a thread is provided with deep-slotted chip breaker and clamping block, when being assembled to housing, inductive component, line ball head, and circumscripted power line is first with feeling The circuit board of component is answered to connect, line ball head is pressed into buckling groove by clamping block afterwards, circumscripted power line is positioned at inlet wire In groove, the accommodation space of deep-slotted chip breaker formation, it is ensured that circumscripted power line is difficult for drop-off.

In one of the embodiments, in addition to a sealant layer, the sealant layer is located at the upper of the inductive component Side.

In one of the embodiments, be additionally provided with two mounting holes on the housing, the mounting hole site in it is described enter wire casing Both sides.

In one of the embodiments, the mounting hole is longitudinally through the housing.

In one of the embodiments, the quantity of the buckling groove is six.

Brief description of the drawings

Fig. 1 is the schematic diagram of the preferred embodiment proximity switch of the utility model one；

Fig. 2 is the schematic diagram of another embodiment proximity switch of the utility model；

Fig. 3 is the decomposing schematic representation of proximity switch shown in Fig. 1；

Fig. 4 is the schematic diagram of inductive component in proximity switch shown in Fig. 3；

Accompanying drawing marks explanation：

10- proximity switches, 20- housings, 21- storage tanks, 22- loopholes, 23- enters wire casing, and 24- buckling grooves, 25- is fixed Bar, 26- grabs, 27- mounting holes, 30- inductive components, 31- circuit boards, 32- inductive heads, 33- indicator lamps, 40- line ball heads, 41- Deep-slotted chip breaker, 42- clamping blocks, 50- sealant layers.

Embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model The understanding for opening content is more thorough comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.

Fig. 1 to Fig. 4 is refer to, is the proximity switch 10 of the preferred embodiment of the utility model one, the proximity switch 10 includes Housing 20, the inductive component 30 being installed in housing 20, the line ball first 40 for being installed on the end of housing 20, in use, inductive component 30 are connected with extraneous power line.

Housing 20 is provided with storage tank 21, loophole 22, enters wire casing 23, buckling groove 24 and some fixed strips 25, loophole 22 and enter wire casing 23 and connected with storage tank 21, buckling groove 24 is located at into the both sides of wire casing 23, and fixed strip 25 is located at the inwall of housing 20 On.Specifically, the quantity of fixed strip 25 is six, fixed strip 25 is provided with inclined grab 26 from up to down, 26 pairs of senses of grab Component 30 is answered to play a part of connecting and fixing.In another embodiment, two mounting holes 27 are additionally provided with housing 20, mounting hole 27 is indulged To through housing 20, mounting hole 27 is located at into the both sides of wire casing 23, and housing 20 can carry out installing fixed by mounting hole 27, screw Position.

Inductive component 30 is including the circuit board 31 with the clamping of grab 26, the inductive head 32 being installed on circuit board 31 and refers to Show lamp 33, indicator lamp 33 is oppositely arranged with loophole 22.When inductive head 32 is close to metal, metal influence inductive head 32 is produced AC magnetic field, so that the indicator lamp 33 on circuit board 31 is glittering, light is appeared by loophole 22 and gives people information, operating personnel It is easy to operate, it is easy to observe testing result.

Line ball first 40 is provided with one with entering deep-slotted chip breaker 41, the clamping block 42 with the clamping of buckling groove 24 that wire casing 23 is adapted to, pressure The end of a thread 40 can complete Fast Installation with clamping block 42 along buckling groove 24.In another embodiment, proximity switch 10 also includes one Sealant layer 50, sealant layer 50 is located at the top of inductive component 30, plays sealing protective effect to inductive component 30, it is to avoid wet Gas enters.

Above-mentioned proximity switch 10, including housing 20, be installed in housing 20 inductive component 30, be installed on the end of housing 20 Line ball first 40.Because the inwall of housing 20 is provided with some fixed strips 25, inductive component 30 passes through circuit board 31 and fixed strip 25 clamping of grab 26 positioning, is difficult to loosen, rational in infrastructure, it is ensured that the normal operation of inductive component 30, and fixed strip 26 Add the undertaking intensity of housing 20.Because line ball first 40 is provided with deep-slotted chip breaker 41 and clamping block 42, to housing 20, sense group When part 30, line ball first 40 is assembled, circumscripted power line is first connected with the circuit board 31 of inductive component 30, afterwards line ball first 40 It is pressed into by clamping block 42 in buckling groove 24, circumscripted power line is positioned at the accommodating sky into wire casing 23, the formation of deep-slotted chip breaker 41 In, it is ensured that circumscripted power line is difficult for drop-off.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (5)

1. a kind of proximity switch, it is characterised in that including：Housing, the inductive component being installed in the housing, be installed on it is described The line ball head of shell end；The housing is provided with storage tank, loophole, enters wire casing, buckling groove and some fixed strips, described Unthreaded hole and enter wire casing and connected with the storage tank, the buckling groove be located at it is described enter wire casing both sides, the fixed strip is located at institute State in inner walls, the fixed strip is provided with inclined grab from up to down；The inductive component includes and the grab card The circuit board connect, the inductive head and indicator lamp that are installed on the circuit board, the indicator lamp are oppositely arranged with the loophole； The line ball head provided with one with it is described enter wire casing be adapted to deep-slotted chip breaker, and the buckling groove clamping two clamping blocks.

2. proximity switch according to claim 1, it is characterised in that also including a sealant layer, the sealant layer position In the top of the inductive component.

3. proximity switch according to claim 1, it is characterised in that two mounting holes, the peace are additionally provided with the housing Fill hole position in it is described enter wire casing both sides.

4. proximity switch according to claim 3, it is characterised in that the mounting hole is longitudinally through the housing.

5. proximity switch according to claim 1, it is characterised in that the quantity of the buckling groove is six.