CN217236843U

CN217236843U - Deviation sensor

Info

Publication number: CN217236843U
Application number: CN202123127332.0U
Authority: CN
Inventors: 吴玉荣
Original assignee: Clemens Industrial Sensors Nanjing Co ltd
Current assignee: Clemens Industrial Sensors Nanjing Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-19
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to a deviation sensor. Relates to the technical field of sensors. The method comprises the following steps: be used for with the belt contact, carry out the contact structure of sensing action for guarantee sensor sealing performance, promote the seal structure of loading and unloading structure performance, the contact structure includes: the contact end is a plane, the edge of the contact end is provided with an arc angle and is used for guaranteeing a contact joint performance, the contact end is sleeved on the outer side of the contact extending end and is used for limiting the contact, the extending end of the contact is of a sleeve structure, and the inner diameter of the spring is larger than the outer diameter of the sleeve structure. Constitute by aluminium seat, casing and contact, be provided with multiple subassembly simultaneously and cooperate in inside, can realize the contact resilience performance of contact, can carry out the feedback of data better, sensing performance is simple nimble more.

Description

Deviation sensor

Technical Field

The utility model relates to a deviation sensor technical field specifically is deviation sensor.

Background

At present, various types of deviation sensors are large in external structure and inconvenient to use and install. The internal structure adopts complex mechanical switches, such as a microswitch and a contact switch, and the microswitch in the internal structure is triggered by the action of a contact to trigger the output contact switch to realize the change of the output state when the microswitch is switched on to trigger the output contact switch.

The existing device structure is complex to assemble during production, the assembly process requirement is high, and particularly, a plurality of tool equipment are needed when the switches are assembled. When the belt is used by a client, once the deviation force of the belt is too large, the mechanical structure in the belt can be damaged; the long-time complex mechanical switch structure has the defects that the detection deviation is lower and lower sensitively due to the abrasion of the contact elastic sheet inside, and even the switch can not be triggered and reset. The stability is worse under high-temperature, low-temperature and low-environment conditions;

meanwhile, the mechanical switch has a complex structure, so that the stability is poor. Due to the limitation of mechanical abrasion, the switch contact elastic sheet inside the off-tracking sensor has the defect that the switch contact elastic sheet cannot rebound and trigger, and therefore in order to meet the requirements, the off-tracking sensor is needed.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: a deviation sensor is provided to solve the above-mentioned problems.

In order to achieve the above object, the utility model provides a following technical scheme:

off tracking sensor includes: the contact structure is used for contacting with a belt and carrying out sensing action, and the sealing structure is used for guaranteeing the sealing performance of the sensor and improving the performance of a loading and unloading structure.

Through being provided with contact structure and seal structure, contact through contact structure and belt and carry out reciprocating contraction motion, can appear squinting the contact structure when moving to the belt in the belt and begin to move, can be better carry out the feedback action, and seal structure can be so that when the subassembly moved, inside sealing performance was ensured better, can not appear becoming flexible.

According to an aspect of an embodiment of the present application, the contact structure includes: the contact end is a plane, the edge of the contact end is provided with an arc angle and is used for guaranteeing a contact joint performance, the contact end is sleeved on the outer side of the contact extending end and is used for limiting the contact, the extending end of the contact is of a sleeve structure, and the inner diameter of the spring is larger than the outer diameter of the sleeve structure.

Contact and belt contact produce the counterforce for the contact is to the inboard motion, and the spring begins to contract simultaneously, ensures its resilience performance, and holistic structure is simpler, uses more convenient saving trouble, and structural performance is simple perfect more.

According to an aspect of an embodiment of the present application, the sealing structure includes: be provided with installation end and location end, location end and the relative aluminium seat of contact extension end position, fixed with the aluminium seat, be used for forming the baffle of two installing zones in inside, with the aluminium seat passes through O type circle pressfitting, is used for guaranteeing whole barrier propterty's shell for seal, guarantee later stage motion sealing performance's oil blanket, with contact sliding connection, be used for guaranteeing the oil-free lubrication axle sleeve of contact motion's sealing stability to contact and aluminium seat.

Through being provided with the baffle, can carry out the subregion with mechanical component and electronic component better, avoid mechanical component's motion to cause electronic component unnecessary to damage, through being provided with the oil blanket, the sealing performance of guarantee structure that can be better is provided with the cell body that corresponds simultaneously, can avoid using impurity for a long time to get into inside.

According to an aspect of the embodiment of this application, with the contact laminating, for the cooperation subassembly carries out the contact mounting nut that fixes, with contact mounting nut cooperatees, fixed with the aluminium seat, be used for carrying out the contact and rotate spacing contact stop screw, by the one end corner of shell extends the predetermined distance to the outside, is used for carrying out the wire sheath of wire protection, with the wire sheath cup joints, is used for carrying out inside data output's cable conductor, is located the main circuit board in baffle divided subassembly installing zone, is located live the circuit board inboard, be used for perfecting signal transmission performance's coil circuit board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the contact is directly installed together through the spring, can make the reciprocating motion performance of contact simple more comprehensive.

2. The inside oil blanket groove of having seted up of aluminium seat for the installation oil blanket guarantees that the contact can not be died by dirty thing card after reciprocating operation time overlength.

3. The aluminum seat increases the structural design of installation oilless lubrication axle sleeve for installation oilless lubrication axle sleeve guarantees that the contact action is smooth and easy, sensitive.

4. The step for installing the circuit board is added above the partition board in the aluminum seat and used for installing the circuit board, and the circuit board can realize the action of the non-contact detection contact.

5. Due to the adoption of the design of combining electronics and machinery, the structure space is small, and the whole product can be made small and is convenient to use.

Drawings

Fig. 1 is the structure schematic diagram of the deviation sensor of the present invention.

In the figure: the device comprises an aluminum base 1, a partition plate 2, a contact mounting nut 3, a contact 4, a contact limiting screw 5, an oil seal 6, a light guide column 7, a wire protecting sleeve 8, an O-shaped ring 9, an oil-free lubricating shaft sleeve 10, a main circuit board 11-1, a coil circuit board 11-2, a shell 12, a spring 13 and a cable 14.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

The applicant believes that the existing mechanical switch on the market is relatively complex in structure and therefore poor in stability. Due to the limitation of mechanical wear, the switch contact elastic sheet in the switch contact elastic sheet has the defect of no resilience and no triggering.

Therefore, the deviation sensor is designed by the applicant and comprises an aluminum seat, a shell and a contact, various components are arranged in the deviation sensor for matching, the contact resilience performance of the contact can be realized, the data can be better fed back, and the sensing performance is simpler and more flexible.

The utility model relates to a deviation sensor, in practical application, as shown in figure 1, include: an aluminum base 1, a partition plate 2, a contact mounting nut 3, a contact 4, a contact limit screw 5, an oil seal 6, a light guide column 7, a wire protecting sleeve 8, an O-shaped ring 9, an oil-free lubrication shaft sleeve 10, a main circuit board 11-1, a coil circuit board 11-2, a shell 12, a spring 13 and a cable 14, wherein the inner side of the aluminum base 1 is provided with the oil seal 6, the outer side of the oil seal 6 is provided with an oil seal groove, the contact 4 is mounted in the aluminum base 1, one end of the contact 4 extends into the aluminum base 1, the extension end of the contact 4 is provided with the oil-free lubrication shaft sleeve 10, the oil-free lubrication shaft sleeve 10 is fixed with the aluminum base 1, the outer side of the contact 4 is provided with the spring 13, the extension end of the contact 4 is rotatably limited by the contact limit screw 5 and the contact mounting nut 3, the partition plate 2 is mounted on the inner side of the aluminum base 1, one end of the partition plate is provided with the main circuit board 11-1 and the coil circuit board 11-2, the shell 12 is connected with the aluminum base 1 through an O-shaped ring 9 in a pressing mode, the light guide column 7 is installed at one end of the outer side of the shell 12, the wire protecting sleeve 8 is installed on one side of the light guide column 7, and the cable 14 is electrically connected with the main circuit board 11-1 and the coil circuit board 11-2 and extends to the outer side of the wire protecting sleeve 8.

In the practical application process, the partition plate 2 is arranged on the step in the aluminum seat 1, the main circuit board 11-1 and the coil circuit board 11-2 are welded together through the pin header, and then are arranged on the uppermost step in the aluminum seat 1 together. When the circuit board 11-1 approaches the detection contact inwards, the coil circuit board 11-2 and the coil circuit board 11-2 output a high-level signal. The light guide post 7 guides out the indicator light on the circuit board. The wire protecting sleeve 8 is arranged above the shell in an inclined mode and used for outgoing wires. The cable 14 passes through the wire sheath 8 for customer wiring. The belt deviation acts on the contact, the contact moves inwards, the action distance reaches the distance detected by the circuit board, and an output signal is generated. The belt deviation is eliminated, the contact is reset, and the output is stopped.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Off tracking sensor, its characterized in that includes:

the contact structure is used for contacting the belt and performing sensing action;

the sealing structure is used for guaranteeing the sealing performance of the sensor and improving the loading and unloading structural performance;

the contact structure includes:

the contact end is a plane, and the edge of the contact end is provided with an arc angle for ensuring the contact bonding performance;

the spring is sleeved on the outer side of the contact extending end and used for limiting the contact;

the extension end of the contact is of a sleeve structure, and the inner diameter of the spring is larger than the outer diameter of the sleeve structure;

the seal structure includes:

the aluminum seat is provided with a mounting end and a positioning end, and the positioning end is opposite to the extending end of the contact;

the partition plate is fixed with the aluminum seat and used for forming two mounting areas inside;

the shell is pressed with the aluminum seat through an O-shaped ring and used for guaranteeing the overall protection performance;

the oil seal is used for sealing the contact and the aluminum seat and ensuring the later motion sealing performance;

the oil-free lubricating shaft sleeve is connected with the contact in a sliding manner and is used for ensuring the sealing stability of contact movement;

the wire protecting sleeve extends outwards from one end corner of the shell for a preset distance and is used for protecting a wire;

and the cable is sleeved with the wire protection sleeve and used for outputting internal data.

2. The off tracking sensor of claim 1, wherein: further comprising:

the contact mounting nut is attached to the contact and used for being matched with the component to fix;

and the contact limiting screw is matched with the contact mounting nut, is fixed with the aluminum seat and is used for limiting the rotation of the contact.

3. The off tracking sensor of claim 1, wherein: further comprising:

the main circuit board is positioned in the component mounting area separated by the partition board;

and the coil circuit board is positioned on the inner side of the main circuit board and used for improving the signal transmission performance.