CN110958011A

CN110958011A - Vortex proximity switch

Info

Publication number: CN110958011A
Application number: CN201911172614.7A
Authority: CN
Inventors: 李建飞
Original assignee: Xian Dechuang Automation Engineering Co Ltd
Current assignee: Xian Dechuang Automation Engineering Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-04-03

Abstract

The invention discloses an eddy current type proximity switch, which comprises a fixed seat and a proximity switch body, wherein an adjusting seat is arranged above the fixed seat, a first protective shell is arranged inside the fixed seat, fixing devices are arranged inside the fixed seat and positioned on two sides of the first protective shell, the first protective shell is connected with a second protective shell through threads, a second clamping device is arranged inside the first protective shell, first clamping devices are arranged on two sides of the second protective shell, and the proximity switch body is positioned between the second clamping device and the first clamping device. The eddy current type proximity switch is convenient to disassemble and assemble, can clamp proximity switches with different sizes, does not need to replace a protective shell, is wider in application range, saves cost, and can finely adjust the fixed seat through the adjusting block, so that the position of the proximity switch is more accurate, and the signal induction is better.

Description

Vortex proximity switch

Technical Field

The invention relates to the field of electric switches, in particular to an eddy current type proximity switch.

Background

The proximity switch is a position switch which can be operated without mechanical direct contact with a moving part, and when the sensing surface of the object proximity switch reaches the action distance, the switch can be actuated without mechanical contact and any pressure, so that a direct current electric appliance is driven or a control instruction is provided for a computer device. The proximity switch is of eddy current type, capacitance type, Hall type, AC type and DC type.

In view of the above, chinese patent No. CN105700432A proposes an inductive distance intelligent proximity switch, and when the fixing device is installed on a machine, the proximity switch body moves due to long-term vibration, and cannot be adjusted; chinese patent No. CN104901671A proposes an inductive proximity switch, which is fixed by a fixing bolt, and needs to be disassembled and assembled, which is troublesome in use; CN208637365U an anti-collision proximity switch, although it is provided with a proximity switch, the proximity switch is still exposed outside, making the proximity switch easy to be damaged, and we propose a vortex proximity switch.

Disclosure of Invention

The invention mainly aims to provide an eddy current type proximity switch which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an eddy current type proximity switch, includes fixing base and proximity switch body, the fixing base top is provided with the adjustment seat, the inside of fixing base is provided with first protective housing, the both sides that the inside of fixing base is located first protective housing are provided with fixing device, first protective housing is connected with the second protective housing through the screw thread, the inside of first protective housing is provided with second clamping device, the both sides of second protective housing are provided with first clamping device, the proximity switch body is located between second clamping device and the first clamping device, and is provided with the wire on the proximity switch body, the lower extreme of second protective housing is provided with the fixed mouthful, the inside of fixed mouthful is provided with the response mouth.

Preferably, the fixing device comprises a fixing block, a guide rod, an expansion spring, a shifting rod, a clamping block and a clamping groove, the fixing block is fixed in the fixing seat, a fixing cavity is formed in the fixing block, the clamping block is arranged in the fixing cavity, the expansion spring is arranged between the clamping block and the fixing block, the guide rod is arranged on the fixing block, the shifting rod is arranged on the clamping block, and the clamping block moves along the guide rod.

Preferably, first clamping device includes limit side piece, fixed plate, first fixing bolt, adjustment groove and grip block, the lateral wall of second protective housing is provided with limit side piece, the inside of limit side piece and second protective housing is provided with the fixed plate, the adjustment groove has been seted up on the fixed plate, the fixed plate is fixed mutually with limit side piece through first fixing bolt, it is provided with the grip block to lie in the department of being close to the proximity switch body on the fixed plate.

Preferably, second clamping device includes screw rod, kicking block, closed angle, rotating gear and skewed tooth, the inside of first protecting sheathing is provided with the screw rod, the inside of first protecting sheathing is located and is provided with the kicking block on the screw rod, be provided with the closed angle on the kicking block, be provided with rotating gear on the first protecting sheathing, and rotating gear rotates round the axis of rotation, rotating gear and kicking block pass through skewed tooth and mesh mutually.

Preferably, the adjusting seat comprises a second fixing bolt, an adjusting block, a dovetail groove, a T-shaped groove and a moving block, the dovetail groove and the T-shaped groove are formed in the adjusting block, the moving block is arranged on the fixing seat, the moving block is matched with the dovetail groove, and the fixing seat is fixed with the T-shaped groove through the second fixing bolt.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the fixing device is arranged and is used for fixing, only the shifting lever needs to be stirred during replacement, the proximity switch can be conveniently disassembled and assembled, the two clamping devices are arranged, the vibration can be prevented, the proximity switches with different sizes can be clamped, the protective shell does not need to be replaced, the application range is wider, the cost is saved, the adjusting block is arranged, and the fixing seat can be finely adjusted through the adjusting block, so that the position of the proximity switch is more accurate, and the signal induction is better.

Drawings

FIG. 1 is a schematic view of the overall construction of a proximity switch of the eddy current type in accordance with the present invention;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view of a first clamping arrangement of a vortex proximity switch of the present invention;

FIG. 4 is a schematic view of a second clamping arrangement of an eddy current proximity switch of the present invention;

fig. 5 is a schematic view of a tuning body of a proximity switch of the eddy current type according to the present invention.

In the figure: 1. a fixed seat; 2. a fixing device; 201. a fixed block; 202. a guide bar; 203. a tension spring; 204. a deflector rod; 205. a clamping block; 206. a card slot; 3. a first protective case; 4. a proximity switch body; 5. a second protective shell; 6. a fixed port; 7. an induction port; 8. a first holding device; 801. a side block; 802. a fixing plate; 803. a first fixing bolt; 804. an adjustment groove; 805. a clamping block; 9. a wire; 10. a second holding device; 1001. a screw; 1002. a top block; 1003. sharp corners; 1004. a rotating gear; 1005. oblique teeth; 11. an adjusting seat; 1101. a second fixing bolt; 1102. an adjusting block; 1103. a dovetail groove; 1104. a T-shaped groove; 1105. moving the mass.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1, an eddy current proximity switch comprises a fixing seat 1 and a proximity switch body 4, an adjusting seat 11 is arranged above the fixing seat 1, a first protective shell 3 is arranged inside the fixing seat 1, fixing devices 2 are arranged on two sides of the fixing seat 1, which are located on the first protective shell 3, the first protective shell 3 is connected with a second protective shell 5 through threads, a second clamping device 10 is arranged inside the first protective shell 3, first clamping devices 8 are arranged on two sides of the second protective shell 5, the proximity switch body 4 is located between the second clamping device 10 and the first clamping device 8, a lead 9 is arranged on the proximity switch body 4, a fixing port 6 is arranged at the lower end of the second protective shell 5, and an induction port 7 is arranged inside the fixing port 6.

Example two:

on the basis of the first embodiment, as shown in fig. 2, the fixing device 2 includes a fixing block 201, a guide rod 202, a telescopic spring 203, a shift lever 204, a fixture block 205 and a clamping groove 206, the fixing block 201 is fixed inside the fixing base 1, a fixing cavity is provided inside the fixing block 201, the fixture block 205 is provided inside the fixing cavity, the telescopic spring 203 is provided between the fixture block 205 and the fixing block 201, the guide rod 202 is provided on the fixing block 201, the shift lever 204 is provided on the fixture block 205, and the fixture block 205 moves along the guide rod 202 and is fixed through the fixing device 2, only the shift lever 204 needs to be shifted when the proximity switch is replaced, and the proximity switch is conveniently disassembled and assembled.

Example three:

on the basis of the first embodiment, as shown in fig. 3 and 4, the first clamping device 8 includes a side block 801, a fixing plate 802, a first fixing bolt 803, an adjusting groove 804 and a clamping block 805, the side wall of the second protective shell 5 is provided with the side block 801, the side block 801 and the second protective shell 5 are internally provided with the fixing plate 802, the fixing plate 802 is provided with the adjusting groove 804, the fixing plate 802 is fixed with the side block 801 through the first fixing bolt 803, and the fixing plate 802 is provided with the clamping block 805 located close to the switch body 4; second clamping device 10 includes screw rod 1001, kicking block 1002, closed angle 1003, rotating gear 1004 and skewed tooth 1005, the inside of first protecting sheathing 3 is provided with screw rod 1001, the inside of first protecting sheathing 3 is located and is provided with kicking block 1002 on screw rod 1001, be provided with closed angle 1003 on the kicking block 1002, be provided with rotating gear 1004 on the first protecting sheathing 3, and rotating gear 1004 rotates around the axis of rotation, rotating gear 1004 and kicking block 1002 mesh through skewed tooth 1005 mutually, can prevent vibrations, and can carry out the clamping to the proximity switch of unidimensional not, and can guarantee proximity switch's centering degree, the protective housing need not be changed, application range is wider more, and cost is saved.

Example four:

on the basis of the first embodiment, as shown in fig. 5, the adjusting base 11 includes a second fixing bolt 1101, an adjusting block 1102, a dovetail groove 1103, a T-shaped groove 1104 and a moving block 1105, the adjusting block 1102 is provided with the dovetail groove 1103 and the T-shaped groove 1104, the fixed base 1 is provided with the moving block 1105, the moving block 1105 is matched with the dovetail groove 1103, the fixed base 1 is fixed with the T-shaped groove 1104 through the second fixing bolt 1101, and the fixed base 1 can be finely adjusted through the adjusting block 1102, so that the position of the proximity switch is more accurate, and the signal sensing is better.

It should be noted that, when the proximity switch is used, the proximity switch body 4 is installed inside the first protective shell 3 and the second protective shell 5, and then screwed together through the connecting thread, at this time, one end of the proximity switch body 4 is clamped through the taper fixing port 6 and the taper angle 1003 of the second clamping device 10, specifically, the rotating gear 1004 is rotated to rotate the rotating gear 1004 around the rotating seat, so that the inclined teeth 1005 of the top block 1002 are engaged with the rotating gear 1004, so that the top block 1002 rotates around the screw 1001, and further the top block 1002 is pushed to abut against the proximity switch, so that the proximity switches with different lengths are clamped and can be centered, then the fixing plate 802 of the first clamping device 8 is moved to adjust along the side block 801, so that the clamping block 805 is clamped with the proximity switch body 4 through the side block 801 through the first fixing bolt 803, then the adjusting groove 804 is clamped and fixed through the side block 801, then the protective shell is fixed on the fixing seat 1 through the fixing device 2, the poking rod 204 is poked to move along the guide rod 202 and to be received into the fixing block 201 at the moment, then under the action of the telescopic spring 203, the clamping block 205 is clamped into the clamping groove 206, the protective shell is clamped, the operation can be performed at the moment, when the protective shell works, the fixing seat 1 can move under the long-time vibration operation, at the moment, the position of the fixing seat 1 on the adjusting seat 11 can be adjusted, the second fixing bolt 1101 is loosened, the moving block 1105 moves along the dovetail groove 1103 on the adjusting block 1102, accordingly, the induction signal of the proximity switch body 4 is accurately sent out from the induction port 7 and irradiates on the received place, then the T-shaped groove 1104 and the fixing seat 1 are fixed through the second fixing.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A vortex proximity switch, comprising: comprises a fixed seat (1) and a proximity switch body (4), an adjusting seat (11) is arranged above the fixed seat (1), a first protective shell (3) is arranged in the fixed seat (1), fixing devices (2) are arranged in the fixed seat (1) and positioned at two sides of the first protective shell (3), the first protective shell (3) is connected with the second protective shell (5) through threads, a second clamping device (10) is arranged in the first protective shell (3), two sides of the second protective shell (5) are provided with first clamping devices (8), the proximity switch body (4) is positioned between the second clamping device (10) and the first clamping device (8), and a wire (9) is arranged on the proximity switch body (4), a fixed port (6) is arranged at the lower end of the second protective shell (5), and an induction port (7) is arranged in the fixed port (6).

2. A vortex proximity switch as in claim 1, wherein: fixing device (2) are including fixed block (201), guide bar (202), expanding spring (203), driving lever (204), fixture block (205) and draw-in groove (206), the inside at fixing base (1) is fixed in fixed block (201), the inside of fixed block (201) is provided with fixed chamber, the inside in fixed chamber is provided with fixture block (205), be provided with expanding spring (203) between fixture block (205) and fixed block (201), be provided with guide bar (202) on fixed block (201), be provided with driving lever (204) on fixture block (205), and fixture block (205) move along guide bar (202) on.

3. A vortex proximity switch as in claim 1, wherein: first clamping device (8) are including limit side piece (801), fixed plate (802), first fixing bolt (803), adjustment groove (804) and grip block (805), the lateral wall of second protective housing (5) is provided with limit side piece (801), the inside of limit side piece (801) and second protective housing (5) is provided with fixed plate (802), adjustment groove (804) have been seted up on fixed plate (802), fixed plate (802) are fixed mutually with limit side piece (801) through first fixing bolt (803), it is provided with grip block (805) to lie in on fixed plate (802) and be close to proximity switch body (4) department.

4. A vortex proximity switch as in claim 1, wherein: the second clamping device (10) comprises a screw rod (1001), a top block (1002), a sharp corner (1003), a rotating gear (1004) and oblique teeth (1005), the screw rod (1001) is arranged inside the first protection shell (3), the top block (1002) is arranged on the screw rod (1001) and located inside the first protection shell (3), the sharp corner (1003) is arranged on the top block (1002), the rotating gear (1004) is arranged on the first protection shell (3), the rotating gear (1004) rotates around a rotating shaft, and the rotating gear (1004) and the top block (1002) are meshed through the oblique teeth (1005).

5. A vortex proximity switch as in claim 1, wherein: the adjusting seat (11) comprises a second fixing bolt (1101), an adjusting block (1102), a dovetail groove (1103), a T-shaped groove (1104) and a moving block (1105), wherein the dovetail groove (1103) and the T-shaped groove (1104) are arranged on the adjusting block (1102), the moving block (1105) is arranged on the fixing seat (1), the moving block (1105) is matched with the dovetail groove (1103), and the fixing seat (1) is fixed with the T-shaped groove (1104) through the second fixing bolt (1101).