CN217740372U - Transparent protection device for proximity switch - Google Patents
Transparent protection device for proximity switch Download PDFInfo
- Publication number
- CN217740372U CN217740372U CN202221509742.3U CN202221509742U CN217740372U CN 217740372 U CN217740372 U CN 217740372U CN 202221509742 U CN202221509742 U CN 202221509742U CN 217740372 U CN217740372 U CN 217740372U
- Authority
- CN
- China
- Prior art keywords
- proximity switch
- protection device
- elbow
- inner cavity
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The utility model discloses a proximity switch transparent protection device, including proximity switch inductive contact, elbow, cable protection pipe and proximity switch protection device, proximity switch inductive contact is connected to proximity switch protection device one end, and the other end of proximity switch protection device is connected to elbow one end, and the other end of elbow is connected to the cable protection pipe, the one end of proximity switch inductive contact is provided with proximity switch signal display plug, and the one end of proximity switch signal display plug is provided with signal output cable; the utility model has good sealing performance, and can effectively prevent vapor from entering the sensor device; sleeving a protection pipe on a connecting wire of the sensor device to protect the cable and prevent the rolling liquid from corroding the sensor device and the connecting wire; the proximity switch protection device is made of transparent materials, so that the state of the proximity switch can be clearly and directly seen through the proximity switch protection device, and point inspection and maintenance are facilitated.
Description
Technical Field
The utility model relates to a large-scale pneumatic cylinder equipment technical field, concretely relates to transparent protection device of proximity switch.
Background
In the field of metallurgy, a hydraulic cylinder plays a role in transmitting power and adjusting a roll gap as a main execution element, a proximity switch sensor device is usually arranged on the hydraulic cylinder and used for feeding back the expansion amount of the hydraulic cylinder in real time, and then the expansion amount and the expansion amount form closed-loop control with an electro-hydraulic follow-up control system, so that the service life and the reliability of the proximity switch sensor device directly influence the rolling precision of a strip rolling mill.
The use occasion of pneumatic cylinder is all abominable usually, along with the condition of impact, vibration, the erosion of rolling liquid and a large amount of vapor in addition, wherein the influence degree of vapor to the proximity switch sensor device on the pneumatic cylinder is very big, if sealing performance is not good, inside the sensor device can be invaded to vapor, corrode the inside electronic component of sensor device, if the outside cable of sensor device does not protect, rolling liquid and vapor also can corrode the sensor device cable, and rolling liquid itself has corrosivity, so if the sensor device cable exposes, can corrode very easily and fall the cable crust, and then lead to the sinle silk to expose even the cable fracture. In order to protect the proximity switch, a steel protective cover is arranged on the proximity switch in some occasions, the protection problem is solved, but an indicator lamp on the proximity switch is shielded, and inconvenience is brought to use.
"a proximity switch protection device" and "proximity switch protector" of patent number "CN201320419551" for patent number "CN201922446612", these two kinds of devices can both carry out effective protection to proximity switch, but the leakproofness is not good, inside the sensor device is invaded easily to vapor, and then corrode the inside electronic component of sensor device, the safety cover adopts opaque material, shelter from the proximity switch pilot lamp easily, cause the inconvenience during point inspection and maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a proximity switch transparent protection device, which has good sealing performance and can effectively prevent vapor from entering the sensor device; sleeving a protection pipe on the connecting wire of the sensor device to protect the cable and prevent rolling liquor from corroding the sensor device and the connecting wire; the proximity switch protection device is made of transparent materials, so that the state of the proximity switch can be clearly and directly seen through the proximity switch protection device, and point inspection and maintenance are facilitated.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a transparent protection device of proximity switch, includes proximity switch inductive contact, elbow, cable protection pipe, be provided with proximity switch protection device between proximity switch inductive contact and the elbow, proximity switch inductive contact is connected to proximity switch protection device one end, and elbow one end is connected to the proximity switch protection device other end, the other end connecting cable protection pipe of elbow, proximity switch inductive contact's one end is provided with proximity switch signal display plug, and proximity switch signal display plug's one end is provided with the signal output cable.
The transparent proximity switch protection device comprises a first inner cavity and a second inner cavity, wherein a thread A is arranged in the first inner cavity, the proximity switch protection device is connected with a proximity switch induction contact through the thread A, a thread B is arranged in the second inner cavity, the proximity switch protection device is connected with an elbow through the thread B, a sealing groove is formed in one end of the proximity switch protection device, the sealing groove is arranged at one end close to the first inner cavity, and a sealing ring is arranged in the sealing groove; the sealing performance inside the proximity switch is well guaranteed, and damage to components in the sensor device after water vapor enters is effectively prevented.
The transparent proximity switch protection device is characterized in that a proximity switch seat is arranged on the outer wall of the proximity switch sensing contact, and the proximity switch sensing contact penetrates through the proximity switch seat.
The transparent proximity switch protection device is characterized in that a proximity switch signal indicator lamp is arranged on the proximity switch signal display plug; colorless transparent polymethyl methacrylate is selected as the material of the device, the device has the excellent performances of low price, corrosion resistance and aging resistance, and the material also has the advantage of transparency, can penetrate through the protection device to check the working condition of the proximity switch, and is convenient to check and maintain.
The transparent proximity switch protection device is characterized in that a fastener is arranged at the joint of the elbow and the cable protection tube.
The transparent proximity switch protection device is characterized in that an inner cavity A is arranged in the cable protection tube, an inner cavity B is arranged in the elbow, the signal output cable penetrates through the inner cavity A, the inner cavity B, the first inner cavity and the second inner cavity once, and the proximity switch signal display plug is arranged in the first inner cavity.
The transparent proximity switch protection device is characterized in that the material of the proximity switch protection device is colorless transparent polymethyl methacrylate.
Compared with the prior art, the utility model is provided with the sealing groove and the sealing ring, the sealing ring and the proximity switch seat form a sealing space, the sealing performance inside the proximity switch is well ensured, and the damage to components in the sensor device after the water vapor enters is effectively prevented; the device is made of colorless transparent polymethyl methacrylate, and has the excellent performances of low price, corrosion resistance and aging resistance; the device is transparent in material, can check the working condition of the proximity switch through the protection device, and is convenient to check and maintain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the proximity switch protection device of the present invention.
Reference numerals: the device comprises a proximity switch induction contact 1, a proximity switch protection device 2, an elbow 3, a cable protection tube 4, a proximity switch signal display plug 5, a signal output cable 6, a first inner cavity 7, a second inner cavity 8, a thread 9-A, a thread 10-B, a sealing groove 11, a sealing ring 12, a fixing nut 13-A, a fixing nut 14-B, a proximity switch base 15, a proximity switch signal indicator lamp 16, a fastener 17, an inner cavity 18-A and an inner cavity 19-B.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
Embodiment 3 of the utility model: the utility model provides a transparent protection device of proximity switch, includes proximity switch inductive contact 1, elbow 3 and cable protection tube 4, be provided with proximity switch protection device 2 between proximity switch inductive contact 1 and the elbow 3, proximity switch protection device 2 includes first inner chamber 7 and second inner chamber 8, is provided with A screw thread 9 in the first inner chamber 7, and proximity switch protection device 2 passes through A screw thread 9 and connects proximity switch inductive contact 1, be provided with B screw thread 10 in the second inner chamber 8, and proximity switch protection device 2 passes through B screw thread 10 and connects elbow 3, and proximity switch protection device 2's one end is provided with seal groove 11, and the one end that is close to first inner chamber 7 is arranged in to seal groove 11, is equipped with sealing washer 12 in seal groove 11, proximity switch inductive contact 1's one end is provided with proximity switch signal display plug 5, and proximity switch signal display plug 5's one end is provided with signal output cable 6, be provided with proximity switch seat 15 on proximity switch inductive contact 1 outer wall, proximity switch inductive contact 1 with run through in proximity switch seat 15.
Embodiment 5 of the utility model: the utility model provides a transparent protection device of proximity switch, includes proximity switch response contact 1, elbow 3 and cable protection tube 4, be provided with proximity switch protection device 2 between proximity switch response contact 1 and the elbow 3, proximity switch protection device 2 includes first inner chamber 7 and second inner chamber 8, is provided with A screw thread 9 in the first inner chamber 7, and proximity switch protection device 2 passes through A screw thread 9 and connects proximity switch response contact 1, be provided with B screw thread 10 in the second inner chamber 8, and proximity switch protection device 2 passes through B screw thread 10 and connects elbow 3, and the one end of proximity switch protection device 2 is provided with seal groove 11, and the one end that is close to first inner chamber 7 is arranged in to seal groove 11, is equipped with sealing washer 12 in seal groove 11, the one end of proximity switch response contact 1 is provided with proximity switch signal display plug 5, and the one end of proximity switch signal display plug 5 is provided with signal output cable 6, be provided with proximity switch seat 15 on the outer wall of proximity switch response contact 1, proximity switch response contact 1 with run through in proximity switch seat 15, be provided with proximity switch signal display plug 16 on the proximity switch signal display plug 5, 3 and cable protection tube 4's junction is provided with elbow 17.
The utility model discloses a theory of operation of embodiment: when the hydraulic press works, the proximity switch sensing contact 1 monitors the telescopic amount of the hydraulic cylinder and feeds back the telescopic amount in real time, the proximity switch protection device 2 is connected with the proximity switch sensing contact 1 through the A thread 9, and the proximity switch protection device 2 effectively protects the proximity switch signal display plug 5 and the signal output cable 6; the proximity switch protection device 2 is provided with a sealing groove 11, and a sealing space is formed by a sealing ring 12 in the sealing groove 11 and a proximity switch seat 15, so that the sealing property inside the proximity switch protection device 2 is ensured, and water vapor is effectively prevented from entering the proximity switch protection device 2, thereby avoiding the damage to the proximity switch signal display plug 5 and the signal output cable 6; the proximity switch protection device 2 is made of colorless transparent polymethyl methacrylate and has the excellent performances of low price, corrosion resistance and aging resistance; proximity switch protection device 2's material is transparent, and when point was examined and was maintained, can see through proximity switch protection device 2 and look over proximity switch signal indicator 16, direct effectual understanding proximity switch behavior.
Claims (7)
1. The utility model provides a transparent protection device of proximity switch, includes proximity switch inductive contact (1), elbow (3) and cable protection tube (4), its characterized in that, be provided with proximity switch protection device (2) between proximity switch inductive contact (1) and elbow (3), proximity switch inductive contact (1) is connected to proximity switch protection device (2) one end, and the one end of elbow (3) is connected to proximity switch protection device (2) other end, and cable protection tube (4) is connected to the other end of elbow (3), the one end of proximity switch inductive contact (1) is provided with proximity switch signal display plug (5), and the one end of proximity switch signal display plug (5) is provided with signal output cable (6).
2. The transparent protection device for the proximity switch according to claim 1, wherein the proximity switch protection device (2) comprises a first inner cavity (7) and a second inner cavity (8), the first inner cavity (7) is provided with an A thread (9), the proximity switch protection device (2) is connected with the proximity switch induction contact (1) through the A thread (9), the second inner cavity (8) is provided with a B thread (10), the proximity switch protection device (2) is connected with the elbow (3) through the B thread (10), one end of the proximity switch protection device (2) is provided with a sealing groove (11), the sealing groove (11) is arranged at one end close to the first inner cavity (7), and a sealing ring (12) is arranged in the sealing groove (11).
3. The proximity switch transparent protection device according to claim 1, wherein a proximity switch base (15) is arranged on the outer wall of the proximity switch sensing contact (1), and the proximity switch sensing contact (1) penetrates through the proximity switch base (15).
4. The proximity switch transparent protection device according to claim 1, characterized in that the proximity switch signal display plug (5) is provided with a proximity switch signal indicator lamp (16).
5. A proximity switch transparent protection device according to claim 1, characterized in that the junction of the elbow (3) and the cable protection tube (4) is provided with a fastener (17).
6. The transparent protection device for the proximity switch according to claim 2, wherein an A inner cavity (18) is arranged in the cable protection tube (4), a B inner cavity (19) is arranged in the elbow (3), the signal output cable (6) sequentially penetrates through the A inner cavity (18), the B inner cavity (19), the first inner cavity (7) and the second inner cavity (8), and the proximity switch signal display plug (5) is arranged in the first inner cavity (7).
7. The proximity switch transparent protection device according to claim 1, wherein the proximity switch protection device (2) is made of colorless transparent polymethyl methacrylate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221509742.3U CN217740372U (en) | 2022-06-16 | 2022-06-16 | Transparent protection device for proximity switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221509742.3U CN217740372U (en) | 2022-06-16 | 2022-06-16 | Transparent protection device for proximity switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217740372U true CN217740372U (en) | 2022-11-04 |
Family
ID=83842524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221509742.3U Active CN217740372U (en) | 2022-06-16 | 2022-06-16 | Transparent protection device for proximity switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217740372U (en) |
-
2022
- 2022-06-16 CN CN202221509742.3U patent/CN217740372U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217740372U (en) | Transparent protection device for proximity switch | |
| CN211626799U (en) | Gas pressure monitoring and compensating device for transformer bushing | |
| CN204164087U (en) | A kind of oil hydraulic cylinder attachable type monitoring diagnosis device | |
| CN103680644B (en) | The tightness system that a kind of guiding tube crossing with pressurized vessel is connected | |
| CN116434495B (en) | Operation construction hidden danger early warning system and method based on electric power Internet of things | |
| CN212779627U (en) | Double-screen protection thermocouple | |
| CN213985414U (en) | Large length-diameter ratio thermometer based on elastic support ring | |
| ES445810A1 (en) | Composite piston with protection of the fastening screws against corrosion by a coolant | |
| CN201892611U (en) | Water leakage alarming and detecting system of underwater cable | |
| CN212621223U (en) | Maximum static friction force measuring device of piston assembly | |
| CN108899232B (en) | A kind of optoelectronic switch explosion-proof casing | |
| CN217276710U (en) | Sealing leakage detection structure of waste heat discharge pump | |
| CN211452702U (en) | Pressure sensor for pressure measurement of tail grease bin of shield machine | |
| CN210647744U (en) | Strain type large force value sensor | |
| CN211951198U (en) | Oil seepage prevention device for thrust bearing pad temperature element of small steam turbine | |
| CN111256854A (en) | Inner leakage prevention structure of multi-point flexible temperature measuring element | |
| CN217783915U (en) | Lateral force measuring device for hydraulic cylinder | |
| CN212220528U (en) | Steering engine mechanical device | |
| CN219956727U (en) | A thermometer protective case for urea synthesis high voltage system | |
| CN204988217U (en) | Ultrasonic distance measuring sensor protector | |
| CN211693822U (en) | Test signal wire leading-out device in non-corrosive liquid state environment in high-pressure container | |
| CN219302391U (en) | Waterproof mechanism of gas detector | |
| CN220185940U (en) | Pressure relief tee joint for paste pumping filling pipe for coal mine | |
| CN215767405U (en) | Fast loading and unloading thermal resistor for closed container | |
| CN212622595U (en) | Top-mounted oil-water mixing monitoring device with telescopic rod length |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |