Oil level mirror and oil gas barrel applying same

Abstract

An oil level mirror is characterized in that the oil level mirror comprises a mirror body shell, a glass tube, a first connecting component and a second connecting component, the mirror body shell comprises a first connector, a second connector and a connecting bridge part connected between the side portion of the first connector and the side portion of the second connector, and the glass tube is arranged in parallel with the length direction of the connecting bridge part. And the middle section of the glass tube is exposed out of one side of the connecting bridge part. The utility model further discloses an oil gas barrel. The groove in the middle of the mirror body shell forms an observation window, viewing from all angles is facilitated, the two ends are complete, large pressure can be borne, meanwhile, oil does not make contact with the mirror body shell, only flows in the first connecting component, the second connecting component and the glass tube, large oil pressure can be borne, and therefore the overall strength is large, and breakage is not prone to occurring.

Description

Technical Field

[0001] This utility model relates to a device for observing oil level, specifically an oil level gauge applied to an oil-gas separator in an air compressor. This utility model also relates to an oil-gas separator in an air compressor. Background Technology

[0002] The oil tank of an air compressor is an important component of the air compressor. The oil level in the oil tank needs to be controlled within a certain range. The oil level gauge is used to display the oil level in the oil tank in real time.

[0003] Referring to the Chinese utility model patent "Oil Level Mirror" (authorization announcement number CN201474978U) with patent number ZL200920208210.4, the oil level mirror involved in this patent uses a polycarbonate material for the mirror body; inside the mirror body is a long inner hole in the middle; two bolts pass through the two ends of the inner hole and are fixed to the oil and gas tank respectively; there is a small through hole in the middle of the bolts that communicates with the inner hole of the oil level mirror body; a sealing ring is also provided between the bolts and the oil and gas tank.

[0004] Similarly, one can refer to the Chinese utility model patent "Oil Level Mirror for Air Compressor Oil-Gas Separator" with patent number ZL201820043188.1 (authorization announcement number CN207892805U); and the Chinese utility model patent "An Oil Level Mirror for Air Compressor" with patent number ZL201520120797.9 (authorization announcement number CN204493130U).

[0005] Currently, most oil level gauges used on air compressors are made of resin. After prolonged use, the pressure at both ends of the oil level gauge body is very high, making it prone to cracking and eventually leading to oil leakage. Utility Model Content

[0006] The first technical problem to be solved by this utility model is to provide an oil level mirror with high connection strength and low leakage rate in view of the above-mentioned technical status.

[0007] The second technical problem to be solved by this utility model is to provide an oil and gas tank with high connection strength and low leakage rate for the oil level mirror, in view of the above-mentioned technical status.

[0008] The technical solution adopted by this utility model to solve the first technical problem mentioned above is: an oil level mirror, characterized in that it includes...

[0009] The mirror housing includes a first connector, a second connector, and a connecting bridge portion connecting the side portions of the first connector and the second connector. The first connector has a longitudinally arranged first axial channel and a first transverse channel that communicates with and is perpendicular to the first axial channel. The second connector has a longitudinally arranged second axial channel and a second transverse channel that communicates with and is perpendicular to the second axial channel. The middle portion of the mirror housing is grooved.

[0010] A glass tube is arranged parallel to the length direction of the aforementioned connecting bridge portion and is sealed at its upper end in the aforementioned first axial channel and sealed at its lower end in the aforementioned second axial channel, while the middle section of the aforementioned glass tube is exposed on one side of the connecting bridge portion.

[0011] A first connecting member, disposed within the first transverse channel and having a first oil passage cavity, wherein a first oil port communicating with the upper end of the glass tube is formed on the side of the first connecting member, and a second oil port is formed at the end of the first connecting member; and

[0012] The second connecting member is disposed in the second transverse channel and has a second oil passage cavity. The second oil passage cavity forms a third oil port on the side of the second connecting member that communicates with the lower end of the glass tube. The second oil passage cavity forms a fourth oil port at the end of the second connecting member.

[0013] Furthermore, the first and second connectors have pillars on the side away from the connecting bridge, with their two ends respectively integrally connected to the first and second connectors. These pillars improve the overall strength of the mirror housing without affecting viewing from any angle.

[0014] Preferably, the column section is two and arranged at intervals, and the space between the aforementioned column sections and the space between the column section and the connecting bridge section both form observation windows.

[0015] Furthermore, the column section has high-level oil level markings and low-level oil level markings.

[0016] The first axial channel has an annular groove formed at one end of the glass tube, and a sealing ring is embedded in the annular groove. The glass tube passes through the aforementioned sealing ring to achieve a seal. During assembly, the sealing ring is first placed in the annular groove, and then the glass tube is inserted into the first axial channel and passes through the sealing ring. Assembly is quick and the sealing performance is excellent.

[0017] Furthermore, the glass tube is equipped with a float that can display the oil level; the end of the glass tube is equipped with a limiting gasket, which has an inner hole, the diameter of which is smaller than the diameter of the float.

[0018] The positioning of the limiting gasket is preferably configured as follows: a retaining spring is provided near the limiting gasket in the first axial channel to position the limiting gasket.

[0019] The sealing assembly of the first connecting member is preferably configured as follows: the end of the first connecting member extends out of the first transverse channel of the first connector, and a sealing ring is fitted on the end of the first connecting member, which is in close contact with the outer wall of the mirror housing.

[0020] Furthermore, the first axial channel is disposed through the first connector, and a first plug is provided at the top end of the first axial channel; the second axial channel is disposed through the second connector, and a second plug is provided at the bottom end of the first axial channel.

[0021] The technical solution adopted by this utility model to solve the second technical problem mentioned above is as follows: an oil and gas tank, characterized in that it includes a tank body and an oil level mirror disposed on one side of the tank body, the side wall of the aforementioned tank body is provided with an upper oil passage hole and a lower oil passage hole, the first connecting member and the second connecting member of the oil level mirror are sealed and assembled with the outer wall of the tank body, the second oil port is connected to the upper oil passage hole, and the fourth oil port is connected to the lower oil passage hole.

[0022] Compared with the prior art, the advantages of this utility model are: the groove in the middle of the mirror shell forms an observation window, which is conducive to viewing from various angles; both ends are intact and can withstand greater pressure; at the same time, the oil does not come into contact with the mirror shell, but only flows in the first connecting member, the second connecting member and the glass tube, which can withstand greater oil pressure. Therefore, the overall strength is high and it is not easy to break. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of Example 1.

[0024] Figure 2 for Figure 1 Magnified view of the oil level mirror.

[0025] Figure 3 for Figure 2 The exploded diagram.

[0026] Figure 4 This is an enlarged three-dimensional sectional view of the oil level mirror in Example 1.

[0027] Figure 5 This is an enlarged three-dimensional sectional view of the mirror housing in Example 1.

[0028] Figure 6 This is a schematic diagram of the structure of Example 2.

[0029] Figure 7 This is a schematic diagram of the assembly of the first plug in Example 3. Detailed Implementation

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0031] like Figure 1 As shown, the oil and gas tank includes a tank body 10 and an oil level mirror 20 located on one side of the tank body 10. The side wall of the tank body 10 has an upper oil passage hole and a lower oil passage hole.

[0032] like Figures 2-4 As shown, the oil level mirror in this embodiment includes a mirror housing 1, a glass tube 2, a first connecting member 3, and a second connecting member 4. In this embodiment, the mirror housing 1 has a symmetrical design at both ends.

[0033] The lens housing 1 includes a first connector 11, a second connector 12, and a connecting bridge portion 13 connecting the side portions of the first connector 11 and the second connector 12. The first connector 11 has a longitudinally arranged first axial channel 112 and a first transverse channel 111 that communicates with and is perpendicular to the first axial channel 112. The second connector 12 has a longitudinally arranged second axial channel 212 and a second transverse channel 211 that communicates with and is perpendicular to the second axial channel 212. The middle portion of the lens housing 1 is grooved. The lens housing 1 is preferably made of metal, such as aluminum alloy.

[0034] The first connector 11 and the second connector 12 have two column portions 14 on the side away from the connecting bridge portion 13, each with its two ends separately connected to the first connector 11 and the second connector 12. There are two column portions 14 arranged at intervals, and the spaces between the column portions 14 and between the column portions 14 and the connecting bridge portion 13 form observation windows. The column portions 14 have a high-level oil level marker 141 and a low-level oil level marker 142.

[0035] The glass tube 2 is arranged parallel to the length of the connecting bridge 13 and is sealed at its upper end within the first axial channel 112. Specifically, the first axial channel 112 has annular grooves 113 formed at both ends of the glass tube 2, and sealing rings 26 are embedded in these annular grooves 113. The glass tube 2 passes through the sealing rings 26 to achieve a sealed arrangement. The lower end of the glass tube 2 is sealed within the second axial channel 212, and the specific sealing structure can be referenced from the sealing arrangement at the upper end of the glass tube 2. The middle section of the glass tube 2 is exposed on one side of the connecting bridge 13.

[0036] A float 21 for displaying the oil level is installed inside the glass tube 2; a limiting gasket 22 is provided at the end of the glass tube 2, the limiting gasket 22 having an inner hole whose diameter is smaller than the diameter of the float 21, so that the float 21 always stays inside the glass tube 2. A retaining spring 23 is provided in the first axial channel 112 near the limiting gasket 22 to position the limiting gasket 22.

[0037] The first connecting member 3 is disposed within the first transverse channel 111 and has a first oil passage cavity 33. The first oil passage cavity 33 forms a first oil port 31 on its side, communicating with the upper end of the glass tube 2. The first oil passage cavity 33 also forms a second oil port 32 at its end. The second connecting member 4 is disposed within the second transverse channel 211 and has a second oil passage cavity 43. The second oil passage cavity 43 forms a third oil port 41 on its side, communicating with the lower end of the glass tube 2. The second oil passage cavity 43 also forms a fourth oil port 42 at its end. In this embodiment, the first connecting member 3 and the second connecting member 4 can be bolts.

[0038] The oil level mirror 20 is sealed to the outer wall of the barrel 10 through the first connecting member 3 and the second connecting member 4. The second oil port 32 is connected to the upper oil passage hole, and the fourth oil port 42 is connected to the lower oil passage hole.

[0039] The end of the first connecting member 3 extends out of the first transverse channel 111 of the first connector 11. A sealing ring 35 is fitted onto the end of the first connecting member 3, and the sealing ring 35 is in close contact with the outer wall of the lens housing 1. A combined gasket sealing ring 36 is provided between the head of the first connecting member 3 and the lens housing 1 for limiting the movement. The combined gasket sealing ring 36 is made of a metal gasket and rubber composite. The second connecting member 4 is configured in the same way as the first connecting member 3.

[0040] A first axial channel 112 is provided through the first connector 11, and a first plug 24 is provided at the top end of the first axial channel 112 in a sealed manner; a second axial channel 212 is provided through the second connector 12, and a second plug 25 is provided at the bottom end of the first axial channel 112 in a sealed manner.

[0041] During assembly, first, the sealing ring 26 is placed in the annular groove 26 using a tool. Then, the glass tube 2 is inserted into the first axial channel 112 and the second axial channel 212 and passes through the sealing ring 26. Then, the upper limit gaskets and retaining rings are installed at both ends. Then, the first plug 24 and the second plug 25 are installed. Finally, the first connecting component 3 and the second connecting component 4 are assembled.

[0042] The groove in the middle of the microscope shell forms an observation window, which is convenient for viewing from various angles. Both ends are intact and can withstand greater pressure, so the whole is not easy to break. Both ends of the glass tube and the microscope shell are equipped with annular sealing rings, which can effectively achieve a sealing effect, avoid oil leakage between the hard connection between the glass tube and the microscope shell, and ensure long-term stable operation.

[0043] Example 2, as Figure 6As shown, in this embodiment, the oil level mirror does not have a pillar between the first connector 11 and the second connector 12. A recess in the middle of the mirror housing 1 forms an unobstructed observation window for easy viewing. Other structural details in this embodiment are the same as in Embodiment 1.

[0044] Example 3, as Figure 7 As shown, in this embodiment, the first plug 24 has a sealing ring 241 on its outer periphery to achieve a sealed assembly. Simultaneously, the outer end face of the first plug 24 is substantially flush with the upper end face of the first connector 11. The upper end face of the first plug 24 has an internal hexagonal groove 242, suitable for assembly and disassembly with a hexagonal wrench. The assembly structure of the second plug 25 is the same as that of the first plug. Other structures in this embodiment are referenced from Embodiment 1.

Claims

1. An oil level mirror, characterized in that The utility model relates to a kind of mirror body shell (1), including first connector (11), second connector (12) and the connecting bridge portion (13) being connected between the side of the first connector (11) and the side of the second connector (12), the first connector (11) has longitudinally arranged first axial passage (112) and first transverse passage (111) being communicated with first axial passage (112) and vertical, the second connector (12) has longitudinally arranged second axial passage (212) and second transverse passage (211) being communicated with second axial passage (212) and vertical;The middle part of the mirror body shell (1) is recessed; Glass tube (2), parallel to the length direction of the connecting bridge portion (13) and upper end is sealingly arranged in the first axial passage (112), lower end is sealingly arranged in the second axial passage (212), and the middle segment of the glass tube (2) is exposed to one side of the connecting bridge portion (13); First connecting member (3) is arranged in the first transverse passage (111) and has first oil passage inner cavity (33), and the first oil passage inner cavity (33) forms first oil port (31) communicated with the upper end port of the glass tube (2) in the side of the first connecting member (3), and the first oil passage inner cavity (33) forms second oil port (32) in the end of the first connecting member (3); And Second connecting member (4) is arranged in the second transverse passage (211) and has second oil passage inner cavity (43), and the second oil passage inner cavity (43) forms third oil port (41) communicated with the lower end port of the glass tube (2) in the side of the second connecting member (4), and the second oil passage inner cavity (43) forms fourth oil port (42) in the end of the second connecting member (4). The first connector (11) and the second connector (12) are provided with two stand column portions (14) on the side away from the connecting bridge portion (13), and the two ends of the stand column portions (14) are respectively connected with the first connector (11) and the second connector (12) to form an integral whole.

2. The oil level sight glass of claim 1, wherein The two stand column portions (14) are spaced apart, and the space between the two stand column portions (14) and the space between the stand column portion (14) and the connecting bridge portion (13) form observation windows.

3. The oil level sight glass of claim 2, wherein The stand column portion (14) is provided with high oil level mark (141) and low oil level mark (142).

4. The oil level sight glass of claim 2, wherein The first axial passage (112) is provided with annular groove (113) on one end of the glass tube (2), and the annular groove (113) is embedded with sealing ring (26), and the glass tube (2) penetrates through the sealing ring (26) to realize sealing arrangement.

5. The oil level sight glass of claim 1, wherein The glass tube (2) is provided with float ball (21) capable of displaying oil level, and the end of the glass tube (2) is provided with limiting washer (22), and the limiting washer (22) has inner hole, and the diameter of the inner hole is smaller than the diameter of the float ball (21).

6. The oil level sight glass of claim 1, wherein The first axial passage (112) is provided with snap spring (23) close to the limiting washer (22) to position the limiting washer (22).

7. The oil level sight glass of claim 6, wherein ​ 8. The oil level sight glass of claim 1, wherein The end of the first connecting member extends out of a first transverse channel (111) of the first connecting head (11), and a sealing ring (35) is sleeved on the end of the first connecting member and tightly abuts against the outer wall of the mirror body shell (1).

9. The oil level sight glass of claim 1, wherein The first axial channel (112) is arranged through the first connecting head (11), and the top end of the first axial channel (112) is sealingly provided with a first plug (24); the second axial channel (212) is arranged through the second connecting head (12), and the bottom end of the first axial channel (112) is sealingly provided with a second plug (25).

10. An oil and gas tank to which the oil level mirror according to any one of claims 1 to 9 is applied, characterized in that The oil level mirror (20) is provided with a first connecting member (3) and a second connecting member (4) which are sealingly assembled with the outer wall of the barrel body (10), the second oil port (32) is communicated with the upper oil passage, and the fourth oil port (42) is communicated with the lower oil passage.

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