CN215909929U - Special oil level sensor for point switch - Google Patents
Special oil level sensor for point switch Download PDFInfo
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- CN215909929U CN215909929U CN202122359987.4U CN202122359987U CN215909929U CN 215909929 U CN215909929 U CN 215909929U CN 202122359987 U CN202122359987 U CN 202122359987U CN 215909929 U CN215909929 U CN 215909929U
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- circuit board
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- oil level
- level sensor
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Abstract
The utility model discloses a special oil level sensor for a switch machine, which relates to the field of oil level measurement, and comprises an electrical box, an oil level measuring tube and the electrical box, wherein the electrical box comprises an electrical cover, a circuit board and a probe, the electrical cover is arranged on the outer side of the electrical box, the circuit board is arranged in the electrical cover, the bottom end of the circuit board is also connected with the probe, the oil level measuring tube comprises an external thread and a probe shell, the external thread is arranged at the upper end of the oil level measuring tube, the probe shell is arranged at the bottom of the external thread, when the electrical box is used for installing the circuit board, the circuit board can be positioned by inserting the circuit board limiting pin into a corresponding hole of the probe shell, the circuit board can be prevented from rotating radially, the oil level sensor can be prevented from seeping into the electrical cover when the oil level sensor is horizontally placed or inverted during maintenance by a sealing ring, a top limiting plug and a bottom limiting plug, through electric cover, first spacing lug and the spacing lug structure of second, make things convenient for the electrical apparatus box to fix a position when assembling the apron.
Description
Technical Field
The utility model relates to the technical field of oil level measurement, in particular to a special oil level sensor for a point switch.
Background
The point switch is an important signal basic device for reliably switching the position of the turnout, changing the opening direction of the turnout, locking the switch point and reflecting the position of the turnout, and can well ensure the driving safety, improve the transportation efficiency and improve the labor intensity of driving personnel.
Current goat oil level sensor structural design is too single, and when the electrical apparatus box was installed the circuit board, the electric cover can not play the effect of location to the circuit board, simultaneously, also can not prevent the circuit board at the inside radial rotation of electric cover, when keeping flat or overhauing under the condition of standing upside down to the oil level sensor, also can not prevent that oil from oozing inside the electric cover.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
The problem to be solved by the present invention is therefore how to provide a switch machine specific fuel level sensor.
In order to solve the technical problems, the utility model provides the following technical scheme: a switch machine dedicated oil level sensor comprises,
an electrical box and an oil level measuring tube;
the electric appliance box comprises an electric cover, a circuit board and a probe, wherein the electric cover is arranged on the outer side of the electric appliance box, the circuit board is arranged in the electric cover, and the bottom end of the circuit board is also connected with the probe;
the oil level surveys buret, it includes external screw thread and probe shell, and the upper end that the buret was surveyed to the oil level is provided with the external screw thread, and the probe shell is installed to the bottom of external screw thread.
Based on the technical characteristics: when the electrical apparatus box was installed the circuit board, through the corresponding downthehole with circuit board spacer pin insert probe shell, can play the effect of location to the circuit board, can also prevent simultaneously that the circuit board from radially rotating, can prevent that oil level sensor from keeping flat or upside down the condition when overhauing inside the oil infiltration motor cover, still make things convenient for the electrical apparatus box to fix a position when assembling the apron.
As a preferable aspect of the switch machine dedicated oil level sensor of the present invention, wherein: the electric cover comprises a cover plate, a cable protection ring and a fixing assembly, the cover plate is installed at the upper end of the electric cover, the cable protection ring is arranged at the side end of the electric cover, and the fixing assembly is further connected to two sides of the bottom of the electric cover.
Based on the technical characteristics: make things convenient for the electrical apparatus box to assemble the electric cover, promote the protective capacities of electrical apparatus box to the electric wire, still make things convenient for the electrical apparatus box to survey buret to install and dismantle electric cover and oil level.
As a preferable aspect of the switch machine dedicated oil level sensor of the present invention, wherein: the cover plate comprises a first limiting convex block and a second limiting convex block, the first limiting convex block is arranged on one side of the cover plate, the second limiting convex block is further arranged on the other side of the cover plate, and the second limiting convex block and the first limiting convex block are symmetrical relative to the axis of the probe.
Based on the technical characteristics: the electric appliance box is convenient to position when the cover plate is assembled.
As a preferable aspect of the switch machine dedicated oil level sensor of the present invention, wherein: the fixing assembly comprises a fixing screw and a sealing ring, the fixing screw is arranged outside the fixing assembly, and the sealing ring is arranged in the middle of the fixing screw.
Based on the technical characteristics: the electric appliance box is convenient to mount and dismount the electric cover and the oil level measuring pipe.
As a preferable aspect of the switch machine dedicated oil level sensor of the present invention, wherein: the circuit board comprises an electric wire and a circuit board limiting pin, the top of the circuit board is connected with the electric wire, and the circuit board limiting pin is further installed on one side of the bottom of the circuit board.
Based on the technical characteristics: the positioning device can position the circuit board and prevent the circuit board from rotating in the radial direction.
As a preferable aspect of the switch machine dedicated oil level sensor according to the present invention, wherein: the probe comprises a top end limiting plug and a bottom end limiting plug, the top end limiting plug is installed at the top of the probe, and the bottom end limiting plug is arranged at the bottom of the probe.
Based on the technical characteristics: the oil level sensor can be prevented from leaking into the interior of the electric cover under the condition that the oil level sensor is horizontally placed or inverted during maintenance.
As a preferable aspect of the switch machine dedicated oil level sensor of the present invention, wherein: the oil level measuring device is characterized in that the probe shell comprises an oil level dividing ruler, an upper oil hole and a lower oil hole, the oil level dividing ruler is arranged at the side end of the probe shell, the upper end of one side of the probe shell is provided with the upper oil hole, and the bottom end of one side of the probe shell is further provided with the lower oil hole.
Based on the technical characteristics: oil enters the oil level sensor from the oil outlet hole, and specific oil level data are obtained through probe detection and circuit operation.
As a preferable aspect of the switch machine dedicated oil level sensor of the present invention, wherein: the top end limiting plug, the probe shell and the probe are in sealing connection, and the electric cover and the sealing matching cover plate are in sealing connection.
Based on the technical characteristics: the oil level sensor can be prevented from leaking into the interior of the electric cover under the condition that the oil level sensor is horizontally placed or inverted during maintenance.
The utility model has the beneficial effects that: through the circuit board spacer pin, when the electrical apparatus box is installed the circuit board, through the corresponding downthehole with circuit board spacer pin insert probe shell, can play the effect of location to the circuit board, can also prevent the radial rotation of circuit board simultaneously, through the sealing washer, top limit plug and bottom limit plug, can prevent that oil level sensor keeps flat when overhauing or the handstand condition under oil infiltration motor cover inside, through the electric shield, first spacing lug and the spacing lug structure of second, make things convenient for the electrical apparatus box to fix a position when assembling the apron.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall configuration diagram of a switch machine-dedicated fuel level sensor in example 1.
Fig. 2 is a schematic structural view of a probe housing of the switch machine-specific fuel level sensor in example 1.
Fig. 3 is a schematic structural diagram of an electrical box of the switch machine-specific fuel level sensor in example 2.
Fig. 4 is an enlarged schematic view of the switch machine-dedicated fuel level sensor of example 3 at a point a in fig. 3.
Fig. 5 is a schematic structural view of a first limit bump of the switch machine-specific fuel level sensor in example 3.
In the drawings, the components represented by the respective reference numerals are listed below:
100. an electrical box; 101. an electrical enclosure; 101a, a cover plate; 101a-1 and a first limit bump; 101a-2 and a second limit bump; 101b, a cable guard ring, 101c and a fixing component; 101c-1, a set screw; 101c-2, a seal ring; 102. a circuit board; 102a, an electrical wire; 102b, a circuit board limit pin; 103. a probe; 103a, a top limit plug; 103b, a bottom limiting plug; 200. an oil level measuring tube; 201. an external thread; 202. a probe housing; 202a, an oil level scale; 202b, oiling holes; 202c and oil outlet holes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 3, a first embodiment of the present invention, which provides a switch machine-specific fuel level sensor,
an electrical box 100 and an oil level measuring tube 200;
the electrical box 100 comprises an electrical cover 101, a circuit board 102 and a probe 103, wherein the electrical cover 101 is installed on the outer side of the electrical box 100, the circuit board 102 is arranged inside the electrical cover 101, and the probe 103 is connected to the bottom end of the circuit board 102;
oil level measuring pipe 200, it includes external screw thread 201 and probe shell 202, the upper end of oil level measuring pipe 200 is provided with external screw thread 201, probe shell 202 is installed to the bottom of external screw thread 201, through circuit board spacer pin 102b, when electrical apparatus box 100 is installed circuit board 102, through inserting circuit board spacer pin 102b in the corresponding hole of probe shell 202, can play the effect of location to circuit board 102, can also prevent circuit board 102 radial rotation simultaneously, through sealing washer 101c-2, top limit stopper 103a and bottom limit stopper 103b, can prevent oil infiltration inside the motor cover under the oil level sensor flat or handstand condition when overhauing, through electric motor cover 101, first spacing lug 101a-1 and the spacing lug 101a-2 structure of second, make things convenient for electrical apparatus box 100 to fix a position when assembling apron 101 a.
Example 2
Referring to fig. 2-3, a second embodiment of the present invention, which differs from the first embodiment, is: the electric cover 101 comprises a cover plate 101a, a cable protection ring 101b and a fixing component 101c, the cover plate 101a is installed at the upper end of the electric cover 101, the cable protection ring 101b is arranged at the side end of the electric cover 101, the fixing component 101c is further connected to two sides of the bottom of the electric cover 101, the electric cover 101 is convenient to assemble by the electric box 100 through the structure of the cover plate 101a, the cable protection ring 101b and the fixing component 101c, the protection capability of the electric box 100 on an electric wire 102a is improved, the electric cover 101 and the oil level measuring pipe 200 are convenient to assemble and disassemble by the electric box 100, the cover plate 101a comprises a first limiting lug 101a-1 and a second limiting lug 101a-2, one side of the cover plate 101a is provided with a first limiting lug 101a-1, the other side of the cover plate 101a is also provided with a second limiting lug 101a-2, and the second limiting lug 101a-2 and the first limiting lug 101a-1 are axially symmetrical with respect to the probe 103, the first limiting bump 101a-1 and the second limiting bump 101a-2 are used for facilitating positioning of the electric appliance box 100 during assembly of the cover plate 101a, the fixing component 101c comprises a fixing screw 101c-1 and a sealing ring 101c-2, the fixing screw 101c-1 is arranged outside the fixing component 101c, the sealing ring 101c-2 is arranged in the middle of the fixing screw 101c-1, and the electric appliance box 100 is convenient to mount and dismount the electric cover 101 and the oil level measuring pipe 200 through the fixing screw 101c-1 and sealing ring 101 c-2.
Example 3
Referring to fig. 4-5, a third embodiment of the present invention, which differs from the first two embodiments, is: the circuit board 102 comprises an electric wire 102a and a circuit board limit pin 102b, the top of the circuit board 102 is connected with the electric wire 102a, one side of the bottom of the circuit board 102 is also provided with the circuit board limit pin 102b, the circuit board 102 can be positioned through the structure of the circuit board limit pin 102b, the circuit board 102 can be prevented from rotating radially, the probe 103 comprises a top limit plug 103a and a bottom limit plug 103b, the top of the probe 103 is provided with the top limit plug 103a, the bottom of the probe 103 is provided with the bottom limit plug 103b, oil can be prevented from permeating into the motor cover under the condition that the oil level sensor is horizontally placed or inverted during maintenance through the structure of the top limit plug 103a and the bottom limit plug 103b, the probe shell 202 comprises an oil level scale 202a, an upper oil hole 202b and a lower oil hole 202c, the side end of the probe shell 202 is provided with the oil level scale 202a, the upper end of one side of the probe shell 202 is provided with the upper oil hole 202b, oil hole 202c down has still been seted up to one side bottom of probe shell 202, through oil level scale 202a, go up oil hole 202b and oil hole 202c structure down, inside oil got into the oil level sensor from oil hole 16 down, detect and the circuit operation obtains concrete oil level data through probe 103, top limit plug 103a and probe shell 202 and probe 103 belong to sealing connection, and electric cover 101 and sealed cooperation apron 101a belong to sealing connection, can prevent that oil under the oil level sensor flat or the handstand condition during maintenance oil level sensor from oozing inside the electric cover.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. A special oil level sensor for a switch machine is characterized in that: comprises an electrical box (100) and an oil level measuring pipe (200);
the electric appliance box (100) comprises an electric cover (101), a circuit board (102) and a probe (103), wherein the electric cover (101) is installed on the outer side of the electric appliance box (100), the circuit board (102) is arranged in the electric cover (101), and the bottom end of the circuit board (102) is also connected with the probe (103);
oil level surveys buret (200), it includes external screw thread (201) and probe shell (202), and the upper end of oil level surveys buret (200) is provided with external screw thread (201), and probe shell (202) are installed to the bottom of external screw thread (201).
2. The switch machine-specific fuel level sensor of claim 1, wherein: the cable protection device is characterized in that the electric cover (101) comprises a cover plate (101a), a cable protection ring (101b) and a fixing component (101c), the cover plate (101a) is installed at the upper end of the electric cover (101), the cable protection ring (101b) is arranged at the side end of the electric cover (101), and the fixing component (101c) is further connected to two sides of the bottom of the electric cover (101).
3. The switch machine-specific fuel level sensor of claim 2, wherein: the cover plate (101a) comprises a first limiting bump (101a-1) and a second limiting bump (101a-2), the first limiting bump (101a-1) is arranged on one side of the cover plate (101a), the second limiting bump (101a-2) is further mounted on the other side of the cover plate (101a), and the second limiting bump (101a-2) and the first limiting bump (101a-1) are axially symmetrical with respect to the probe (103).
4. The switch machine-specific fuel level sensor of claim 2, wherein: the fixing component (101c) comprises a fixing screw (101c-1) and a sealing ring (101c-2), the fixing screw (101c-1) is arranged outside the fixing component (101c), and the sealing ring (101c-2) is arranged in the middle of the fixing screw (101 c-1).
5. The switch machine-specific fuel level sensor of claim 1, wherein: the circuit board (102) comprises an electric wire (102a) and a circuit board limiting pin (102b), the electric wire (102a) is connected to the top of the circuit board (102), and the circuit board limiting pin (102b) is further installed on one side of the bottom of the circuit board (102).
6. The switch machine-specific fuel level sensor of claim 1, wherein: probe (103) are including top spacing stopper (103a) and bottom spacing stopper (103b), and top spacing stopper (103a) are installed at the top of probe (103), and the bottom of probe (103) is provided with bottom spacing stopper (103 b).
7. The switch machine-specific fuel level sensor of claim 1, wherein: the oil level measuring device is characterized in that the probe shell (202) comprises an oil level dividing ruler (202a), an upper oil hole (202b) and a lower oil hole (202c), the oil level dividing ruler (202a) is arranged at the side end of the probe shell (202), the upper oil hole (202b) is formed in the upper end of one side of the probe shell (202), and the lower oil hole (202c) is further formed in the bottom end of one side of the probe shell (202).
8. The switch machine-specific fuel level sensor of claim 6, wherein: the top end limiting plug (103a) is in sealing connection with the probe shell (202) and the probe (103), and the electric cover (101) is in sealing connection with the sealing matching cover plate (101 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359987.4U CN215909929U (en) | 2021-09-28 | 2021-09-28 | Special oil level sensor for point switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359987.4U CN215909929U (en) | 2021-09-28 | 2021-09-28 | Special oil level sensor for point switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215909929U true CN215909929U (en) | 2022-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122359987.4U Active CN215909929U (en) | 2021-09-28 | 2021-09-28 | Special oil level sensor for point switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215909929U (en) |
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2021
- 2021-09-28 CN CN202122359987.4U patent/CN215909929U/en active Active
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