阅读说明：本技术 一种带有透视镜式油差开关探头及其制作工艺 (Oil difference switch probe with perspective mirror and manufacturing process thereof ) 是由 胡英江 陈松青 李磊 陈松涛 陈益琴 于 2019-11-22 设计创作，主要内容包括：本发明公开了一种带有透视镜式油差开关探头及其制作工艺,其包括开关探头体,所述开关探头体沿长度方向开设有输送孔,所述输送孔两端开设有连接螺纹,所述开关探头体侧面开设有观察孔,所述观察孔连通输送孔,所述观察孔内两端分别固定放置有第一透明视镜和第二透明视镜。本发明具有能够观看油差开关探头是否正产工作的效果。(The invention discloses an oil difference switch probe with a perspective mirror and a manufacturing process thereof. The invention has the effect of being capable of watching whether the oil difference switch probe is working.)

1. The utility model provides a have perspective mirror formula oil difference switch probe, characterized by: including switch probe body (1), conveyer hole (11) have been seted up along length direction in switch probe body (1), connecting thread has been seted up at conveyer hole (11) both ends, observation hole (12) have been seted up to switch probe body (1) side, observation hole (12) intercommunication conveyer hole (11), both ends are fixed respectively in observation hole (12) and have been placed first transparent sight glass (2) and second transparent sight glass (3).

2. The oil difference switch probe with the perspective mirror as claimed in claim 1, wherein: the outward side of the first transparent view mirror (2) is flush with the surface of the switch probe body (1), the outward side of the second transparent view mirror (3) is lower than the surface of the switch probe body (1), and the second transparent view mirror (3) is lower than the surface of the switch probe body (1) by 1-2 mm.

3. The oil difference switch probe with the perspective mirror as claimed in claim 2, wherein: the cross section of the switch probe body (1) is square, the side length is 2.5 cm, the length of the switch probe body (1) is 5 cm, the diameter of a conveying hole (11) in the switch probe body (1) is 1.2 cm, and the diameter of an observation hole (12) in the switch probe body (1) is 1.9 cm.

4. A manufacturing process of an oil difference switch probe with a perspective mirror is characterized in that: the processing steps are as follows:

the method comprises the following steps: putting a steel raw material into a lathe, cutting the steel raw material into a preliminary shape of a switch probe body (1) through the lathe, boring the hole on the switch probe body (1) through a boring machine to form a conveying hole (11) and an observation hole (12), and putting the switch probe body (1) into lubricating oil to stand for 2 hours;

step two: polishing the surface of the switch probe body (1) by a polishing machine for 1-2 hours, and blowing off the polished fine particles by a blower in the polishing process;

step three: polishing corners of the switch probe body (1), blowing off the polished fine particles by a blower, placing the switch probe body (1) in clear water for washing for 10 minutes, and placing in a high-temperature furnace for drying for 30 minutes to 1 hour;

step four: inserting a first graphite rod (7) into a conveying hole (11) in a switch probe body (1), placing an observation hole (12) in the switch probe body (1) into thin graphite layers (71) positioned on two sides of the first graphite rod (7), covering the first graphite rod (7) with the thin graphite layers (71), placing the switch probe body (1) in a special sealing furnace (4), pouring glass fluid into one observation hole (12) to form a first transparent sight glass (2), taking the switch probe body (1) out of the special sealing furnace (4), standing for 10 minutes, feeding the first transparent sight glass (2) into the special sealing furnace (4) again after solidification, pouring the glass fluid into the other observation hole (12), standing for 10 minutes to form a second transparent sight glass (3), and coating the poured switch probe body (1) with sealant;

step five: and (3) taking the first graphite rod (7) out of the switch probe body (1), vibrating the switch probe body (1) through a vibrating machine for 15-20 minutes, vibrating the thin graphite layer (71), collecting the thin graphite layer (71) through a containing dish, and putting the switch probe body (1) in water for cleaning.

5. The manufacturing process of the oil difference switch probe with the sight glass according to claim 4, which is characterized in that: the special sealing furnace (4) comprises a furnace body (41), the furnace body (41) comprises a furnace bottom plate (42), a placing mold (43) is arranged on the furnace bottom plate (42), a pouring upper opening (44) and a pouring lower opening (45) are arranged above the furnace body (41), a glass liquid containing groove (441) is arranged in the pouring upper opening (44), a vertical inflow opening (451) is formed in the pouring lower opening (45), a pair of opposite clamping half frames (46) are arranged on two sides of the lower end of the pouring lower opening (45), the pouring upper opening (44) and the pouring lower opening (45) are connected with the furnace body (41) through connecting rods (47), and one ends of the pouring upper opening (44) and the pouring lower opening (45) are far away from the connecting rods (47) and are connected with the furnace body (41).

6. The manufacturing process of the oil difference switch probe with the sight glass according to claim 5, which is characterized in that: the pouring upper opening (44) is provided with a plurality of latticed storage hollow columns (5), and glass liquid is stored in the latticed storage columns.

7. The manufacturing process of the oil difference switch probe with the sight glass according to claim 6, which is characterized in that: be provided with size adjusting part (6) between half frame (46) of centre gripping, size adjusting part (6) fills cardboard (61) of end opening (45) below including setting up, rectangular shape shifting chute (611) are seted up to cardboard (61), half frame (46) top of centre gripping extends fixture block (62) that has embedding shifting chute (611), fixture block (62) both sides butt in cardboard (61) up end, threaded connection has fixing bolt (63) on cardboard (61), fixing bolt (63) pass and fill end opening (45) and cardboard (61) threaded connection.

8. The manufacturing process of the oil difference switch probe with the sight glass according to claim 7, which is characterized in that: the upper end face of the clamping plate (61) is provided with a plurality of standard clamping grooves (612) for placing the clamping blocks (62).

Technical Field

The invention relates to the technical field of switch probes, in particular to an oil difference switch probe with a see-through mirror and a manufacturing process thereof.

Background

The lens is an optical element which is made of transparent materials and has a part of spherical surface, and the lens consists of a plurality of lenses, namely a plastic lens (plastic) and a glass lens (glass), wherein the glass lens is more expensive than the plastic lens. Plays an important role in the fields of astronomy, military, traffic, medicine, art and the like. When the oil pressure is reduced to be not enough to make the compressor safely work, and the oil pressure does not recover to be above the set oil pressure value in the time delay setting period, the main circuit is cut off, and the compressor stops working, so that the aim of protecting the compressor from being damaged is fulfilled.

The existing Chinese patent with publication number CN109802661A discloses an electronic oil pressure difference switch, which comprises a shell and a mechanical head connected with the shell; the circuit board is arranged in the shell and comprises a Hall sensor, and the Hall sensor is positioned at one end, close to the mechanical head, of the circuit board; one end of the mechanical head is a copper head, and a permanent magnet and a spring which is in contact with the permanent magnet are arranged in an inner cavity of the other end of the mechanical head. The circuit board further comprises a temperature sensor and a micro control unit. The end face of the copper head is provided with a low-pressure hole, the outer side face of the copper head is provided with a high-pressure slot, and two cavities of the oil circuit to be tested are respectively connected with the low-pressure hole and the high-pressure slot. Although this kind of electronic oil pressure difference switch adopts disconnect-type project organization, mechanical head and shell separation, and is easy to assemble, easy to maintain, in the in-service use process, whether the staff opens or is difficult to observe inside lubricating oil after the closing switch and has opened or close, needs other check out test set to detect once more, not only wastes time and energy, needs other equipment to detect once more moreover, and this problem is waited for to solve urgently.

Disclosure of Invention

The invention aims to provide an oil difference switch probe with a lens, which can observe whether the inside of the probe works normally.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an oil difference switch probe with perspective mirror, includes the switch probe body, the conveyer hole has been seted up along length direction to the switch probe body, connecting thread has been seted up at the conveyer hole both ends, the observation hole has been seted up to switch probe body side, observe hole intercommunication conveyer hole, the first transparent sight glass of fixed placing respectively in both ends in the observation hole and the second transparent sight glass.

Through adopting above-mentioned technical scheme, the staff can carry lubricating oil through the delivery port with switch probe body coupling on service equipment through connecting thread, simultaneously, can observe the inside condition of carrying through the first transparent sight glass of both sides and the transparent sight glass of second, also can further confirm simultaneously whether inside normally carries through the observation of both sides.

The invention is further configured to: the outward side of the first transparent view mirror is flush with the surface of the switch probe body, the outward side of the second transparent view mirror is lower than the surface of the switch probe body, and the second transparent view mirror is 1-2 mm lower than the surface of the switch probe body.

Through adopting above-mentioned technical scheme, through the transparent sight glass of sunken second, can distinguish first transparent sight glass and the transparent sight glass of second to in the practical and practical process, through thinner transparent sight glass of second, can be better observe inside environment.

The invention is further configured to: the cross section of the switch probe body is square, the side length is 2.5 cm, the length of the switch probe body is 5 cm, the diameter of a conveying hole in the switch probe body is 1.2 cm, and the diameter of an observation hole in the switch probe body is 1.9 cm.

Through adopting above-mentioned technical scheme, through the switch probe body of square cross-section, can make things convenient for the staff to install to have higher aesthetic property, through fixed delivery port and observation hole, promote the quality of whole product. The stability of the whole structure of the switch probe body is reduced due to the large conveying holes, the flow of the small conveying holes is reduced, and the conveying capacity of the switch probe body is reduced. The diameter of the observation hole is larger than that of the conveying hole, so that the whole observation hole can be observed, and meanwhile, the stability of the whole structure of the switch probe body can be reduced due to the larger observation hole.

The invention also aims to provide a manufacturing process of the oil difference switch probe with the perspective mirror.

The technical purpose of the invention is realized by the following technical scheme:

the processing steps are as follows: the method comprises the following steps: putting a steel raw material into a lathe, cutting the steel raw material into a preliminary shape of a switch probe body through the lathe, boring a hole on the switch probe body through a boring machine to form a conveying hole and an observation hole, and placing the switch probe body in lubricating oil for standing for 2 hours;

step two: polishing the surface of the switch probe body by a polisher for 1-2 hours, and blowing off the polished fine particles by a blower in the polishing process;

step three: polishing corners of the switch probe body, blowing off the polished fine particles by a blower, washing the switch probe body in clear water for 10 minutes, and drying in a high-temperature furnace for 30 minutes to 1 hour;

step four: inserting a first graphite rod into a conveying hole in a switch probe body, placing an observation hole in the switch probe body into thin graphite layers positioned on two sides of the first graphite rod, covering the thin graphite layers on the first graphite rod, placing the switch probe body in a special sealing furnace, filling glass fluid into one observation hole to form a first transparent viewing mirror, taking the switch probe body out of the special sealing furnace, standing for 10 minutes, feeding the first transparent viewing mirror into the special sealing furnace again after the first transparent viewing mirror is solidified, filling the glass fluid into the other observation hole, standing for 10 minutes to form a second transparent viewing mirror, and coating the filled switch probe body with sealant;

step five: and taking the first graphite rod out of the switch probe body, vibrating the switch probe body for 15-20 minutes by using a vibrating machine, vibrating the thin graphite layer, collecting the thin graphite layer by using a containing vessel, and putting the switch probe body in water for cleaning.

Through adopting above-mentioned technical scheme, the good rhythm of the heart of preparation switch probe body that can be gradual can promote simultaneously. Through repeated practical first graphite rod, reduce the use of material, material saving saves the expense to reduce the production of waste material. Through the last sealant, the situation that the switch probe body is rusted due to contact with air after being manufactured can be reduced, and the function of protecting the switch probe body is achieved.

The invention is further configured to: the specially-made sealing furnace comprises a furnace body, the furnace body comprises a furnace bottom plate, a placing mold is arranged on the furnace bottom plate, a filling upper opening and a filling lower opening are arranged above the furnace body, a glass liquid containing groove is formed in the filling upper opening, a vertical inflow port is formed in the filling lower opening, a pair of opposite clamping half frames are arranged on two sides of the lower end of the filling lower opening, the filling upper opening and the filling lower opening are connected with the furnace body through connecting rods, and one ends of the connecting rods, far away from the filling upper opening and the filling lower opening, are connected with the furnace body.

Through adopting above-mentioned technical scheme, the staff places the switch probe body and carries out preliminary fixed on placing the mould, grasps switch probe body upper end through half frame of centre gripping, accomplishes the secondary and fixes. The glass liquid is placed in the glass liquid containing groove, the glass liquid flows into the observation hole in the switch probe through the lower pouring port through the inflow port to form a first transparent viewing mirror, and then the switch probe body is turned over to pour the other end of the observation hole, so that a second transparent viewing mirror is formed.

The invention is further configured to: the pouring upper opening is provided with a plurality of latticed storage hollow columns, and glass liquid is stored in the latticed storage columns.

Through adopting above-mentioned technical scheme, through the empty post is deposited to the latticed of obstructed specification, can deposit the glass liquid of different volumes to can form the first transparent sight glass and the transparent sight glass of second of different volumes, it is more convenient.

The invention is further configured to: the clamping device is characterized in that a size adjusting component is arranged between the clamping half frames and comprises a clamping plate arranged below the filling lower opening, a long-strip-shaped moving groove is formed in the clamping plate, a clamping block embedded into the moving groove extends above the clamping half frames, the two sides of the clamping block are abutted to the upper end face of the clamping plate, a fixing bolt is connected to the clamping plate through threads, and the fixing bolt penetrates through the filling lower opening and is connected with the clamping plate through threads.

Through adopting above-mentioned technical scheme, the staff removes the fixture block in the removal inslot to remove half frame of centre gripping, when removing the position that the staff wanted, rotate fixing bolt, fixing bolt is pouring the end opening department with the cardboard chucking, thereby fixes the fixture block at the cardboard and pours between the end opening.

The invention is further configured to: the upper end face of the clamping plate is provided with a plurality of standard clamping grooves for placing clamping blocks.

By adopting the technical scheme, the position of the fixture block can be determined through the standard clamping groove, so that the moving distance of the fixture block is regulated, and the situation that the moving distance cannot be estimated is reduced.

In conclusion, the beneficial effects of the invention are as follows:

1. the first transparent sight glass and the second transparent sight glass are arranged, so that the effect of observing the inside of the switch probe body is achieved;

2. the first graphite rod which is recycled in the processing step is adopted, so that the effect of reducing the loss of the graphite rod is achieved;

3. a special sealing furnace is adopted, so that the effects of improving the production efficiency and the yield are achieved.

Drawings

FIG. 1 is a schematic view of the structure of a switch probe body of the present embodiment.

FIG. 2 is a schematic cross-sectional view of the switch probe body of the present embodiment.

FIG. 3 is a schematic structural diagram of a special sealing furnace in this embodiment.

FIG. 4 is a schematic cross-sectional view of a special sealing furnace in this embodiment.

In the figure, 1, a probe body is switched; 11. a delivery orifice; 12. an observation hole; 2. a first transparent sight glass; 3. a second transparent viewing mirror; 4. specially-made sealing furnaces; 41. a furnace body; 42. a furnace floor; 43. placing a mould; 44. pouring an upper opening; 441. a molten glass holding tank; 45. pouring a lower opening; 451. an inflow port; 46. clamping the half frame; 47. a connecting rod; 5. storing the hollow columns in a grid shape; 6. a size adjustment assembly; 61. clamping a plate; 611. a moving groove; 612. a standard card slot; 62. a clamping block; 63. fixing the bolt; 7. a first graphite rod; 71. a thin graphite layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the oil difference switch probe with a perspective mirror and the manufacturing process thereof disclosed by the invention comprise a switch probe body 1, wherein the cross section of the switch probe body 1 is a square with the side length of 2.5 cm, and the length of the switch probe body 1 is 5 cm. The switch probe body 1 is provided with a conveying hole 11 with the diameter of 1.2 cm along the length direction and used for conveying materials. An observation hole 12 communicated with the conveying hole 11 is formed in the side surface of the switch probe body 1, and the diameter of the observation hole 12 is 1.9 cm. The both ends of inspection hole 12 are fixed respectively and have been placed first transparent sight glass 2 and second transparent sight glass 3, can observe the inside transmission material condition through first transparent sight glass 2 and second transparent sight glass 3.

Referring to fig. 2, the outward side of the first transparent view mirror 2 is flush with the surface of the switch probe body 1, the outward side of the second transparent view mirror 3 is lower than the surface of the switch probe body 1 by 1-2 mm, the first transparent view mirror 2 and the second transparent view mirror 3 can be better distinguished, the thinner second transparent view mirror 3 can be used for better observing the internal condition of the switch probe body 1, meanwhile, the surface of the second transparent view mirror is lower than the surface of the switch probe body 1, the foreign matters are difficult to touch the second transparent mirror, the situation that the second transparent mirror is collided by the foreign matters and damaged by the foreign matters is reduced, the safety of the second transparent mirror is improved, and the situation that the second transparent mirror is collided by the foreign matters and is abraded can be.

The manufacturing process of the oil difference switch probe with the perspective mirror comprises the following steps:

the method comprises the following steps: putting a steel raw material into a lathe, cutting the steel raw material into a preliminary prototype of a switch probe body 1 with the length of 5 cm and the cross section of 2.5 cm, boring a hole on the switch probe body 1 through a boring machine to form a conveying hole 11 and an observation hole 12, placing the switch probe body 1 in lubricating oil, standing for 2 hours, removing scrap iron on the surface of the prototype switch probe body 1, and reducing the corrosion condition of the switch probe body 1 through the lubricating oil;

step two: polishing the surface of the switch probe body 1 by a polishing machine for 1-2 hours, blowing off polished fine particles by a blower in the polishing process, and collecting chips by a collecting device to improve the cleanliness of the processing environment;

step three: polishing corners of the switch probe body 1, blowing off the polished fine particles by a blower, placing the switch probe body 1 in clean water for washing for 10 minutes, removing scraps on the switch probe body 1, placing the switch probe body in a high-temperature furnace for drying for 30 minutes to 1 hour, and drying moisture on the switch probe body 1;

step four: inserting a first graphite rod 7 into a conveying hole 11 in a switch probe body 1, placing an observation hole 12 in the switch probe body 1 into thin graphite layers 71 positioned on two sides of the first graphite rod 7, covering the thin graphite layers 71 on the first graphite rod 7, placing the switch probe body 1 in a special sealing furnace 4, filling glass fluid into one observation hole 12 to form a first transparent sight glass 2, taking the switch probe body 1 out of the special sealing furnace 4, standing for 10 minutes, feeding the first transparent sight glass 2 into the special sealing furnace 4 again after solidification, filling the glass fluid into the other observation hole 12, standing for 10 minutes to form a second transparent sight glass 3, and coating the filled switch probe body 1 with sealant.

Referring to fig. 3 and 4, the special sealing furnace 4 comprises a furnace body 41, the furnace body 41 comprises a furnace bottom plate 42, and a placing mold 43 capable of placing the switch probe body 1 is arranged on the furnace bottom plate 42. An upper filling opening 44 and a lower filling opening 45 are arranged above the furnace body 41, a glass liquid containing groove 441 is arranged in the upper filling opening 44, the glass liquid containing groove 441 is provided with a plurality of latticed storage hollow columns 5, and the latticed storage hollow columns 5 are different in specification and used for storing glass liquids with different metering quantities, so that the glass liquids with different metering quantities can be filled to form the first transparent viewing mirror 2 and the second transparent viewing mirror 3. The lower pouring port 45 is provided with a vertical inflow port 451, and the glass liquid can flow into the opening and closing probe body 1 on the placing die 43 through the inflow port 451. Two opposite clamping half frames 46 are arranged on two sides of the lower end of the pouring lower port 45, so that the switch probe body 1 can be clamped, and the stability of the switch probe body 1 is improved. The upper pouring port 44 and the lower pouring port 45 are connected with the furnace body 41 through a connecting rod 47, and one end of the connecting rod 47, which is far away from the upper pouring port 44 and the lower pouring port 45, is connected to the furnace body 41.

Referring to fig. 4, be provided with size adjusting part 6 between the half frame 46 of centre gripping, size adjusting part 6 is including setting up the cardboard 61 of pouring end opening 45 below, cardboard 61 transversely places, and the rectangular shape shifting chute 611 has been seted up to cardboard 61, half frame 46 of centre gripping top extends the fixture block 62 that has embedding shifting chute 611, fixture block 62 both sides card is at cardboard 61 up end, and threaded connection has fixing bolt 63 on the cardboard 61, fixing bolt 63 passes and pours end opening 45 and cardboard 61 threaded connection, the staff can remove fixture block 62 through shifting chute 611, thereby remove half frame 46 of centre gripping, then rotate fixing bolt 63, fixing bolt 63 is with cardboard 61 chucking at pouring end opening 45 department, thereby fix fixture block 62 between cardboard 61 and the pouring end opening 45.

Step five: the first graphite rod 7 is taken out of the switch probe body 1, the switch probe body is vibrated for 15-20 minutes through the vibrating machine, the thin graphite layer 71 is vibrated down, the thin graphite layer 71 is collected through the containing dish, the switch probe body 1 is placed in water to be cleaned, the first graphite rod 7 is taken out and can be recycled, consumption of the graphite rod in the actual production process is reduced, and production cost is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.