Multipurpose explosion-proof breathing cap for bearing box

Abstract

A multipurpose explosion-proof breathing cap for a bearing box relates to the technical field of breathing caps and comprises a mounting shell, the top of the mounting shell is detachably connected with a breathing cap cover, a breathing channel is arranged between the connecting positions of the breathing cap cover and the mounting shell, and a conical filter element is detachably connected in the mounting shell. Two oil baffle plates are fixedly connected to the area, below the conical filter element, of the mounting shell from top to bottom. The problems that in the running process of thin oil lubrication equipment in the prior art, oil mist generated by splashing and friction of lubricating oil enters a breathing cap, oil drops can be separated out from the oil mist exhaled from the breathing cap, the amount of the lubricating oil is reduced, normal work of a machine is affected, and the environment is polluted are solved.

Description

Technical Field

[0001] The invention relates to the technical field of breathing caps, in particular to an explosion-proof breathing cap for a multi-purpose bearing box. Background Art

[0002] The main function of the breathing cap of the motor bearing box is to prevent the lubricating oil from expanding and leaking in large quantities. At present, the lubricating oil in the bearing box splashes and the lubricating oil evaporated at high temperature will accumulate in the breathing cap and leak to the ground along the inner wall of the breathing cap. The lubricating oil cannot flow back to the bearing box in time, which on the one hand aggravates the consumption of the lubricating oil in the bearing box, and on the other hand causes pollution to the on-site environmental hygiene.

[0003] The prior art discloses a patent with the announcement number CN213744545U, which includes a valve bonnet and a housing, a plug rod at the lower end of the valve bonnet plugged into the top of the housing, a breathing groove is symmetrically arranged on the upper end surface of the housing, a spiral sealing dam is arranged on the outer wall of the plug rod at the lower end of the valve bonnet, the sealing dam cooperates with the plug rod at the lower end of the valve bonnet to form a spiral groove, and the sealing dam is transitionally plugged into the housing. The recovery amount of lubricating oil in the bearing box can be increased, the consumption of lubricating oil can be slowed down, and the pollution to the on-site environmental sanitation can be further reduced.

[0004] As the existing devices are used, the shortcomings of the technology are gradually exposed, mainly in the following aspects:

[0005] During the operation of equipment lubricated with thin oil, the oil mist generated by lubricating oil splashing and friction enters the breathing cap. The oil mist exhaled from the breathing cap will precipitate oil droplets, causing a reduction in the amount of lubricating oil, affecting the normal operation of the machine and polluting the environment.

[0006] As can be seen from the above, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Summary of the invention

[0007] In view of the defects in the prior art, the present invention provides a multi-purpose bearing box explosion-proof breathing cap to solve the problem that in the traditional technology, when the thin oil lubricated equipment is running, the oil mist generated by the splashing of lubricating oil and the friction enters the breathing cap, and the oil mist exhaled from the breathing cap will precipitate oil droplets, resulting in a reduction in the amount of lubricating oil, affecting the normal operation of the machine and polluting the environment.

[0008] To achieve the above object, the present invention provides the following technical solutions.

[0009] The multi-purpose bearing box explosion-proof breathing cap comprises a mounting shell, the top of the mounting shell is detachably connected with a breathing cap cover, and a breathing channel is provided between the connection position of the breathing cap cover and the mounting shell.

[0010] A conical filter element is detachably connected in the installation shell.

[0011] The area of ​​the mounting shell below the conical filter element is fixedly connected with two oil baffles from top to bottom.

[0012] As an optimized solution, the oil baffle plate is a conical shell, and a through-notch is provided on the conical shell. The through-notches on the two oil baffle plates are arranged in an alternating manner.

[0013] As an optimized solution, the tip of the oil baffle is arranged downward.

[0014] As an optimized solution, the mounting shell includes a cylindrical shell segment, and a conical shell segment which is arranged to taper downward is fixedly connected to the lower end of the cylindrical shell segment.

[0015] As an optimized solution, a connecting tube is fixedly connected to the lower port of the conical shell segment, and a connecting thread is provided on the outer wall of the connecting tube.

[0016] As an optimized solution, an annular support groove is provided on the inner wall of the barrel shell section near the upper port, and a support ring is fixedly connected to the upper end of the conical filter element, and the support ring is supported in the annular support groove.

[0017] As an optimized solution, a convex ring section is provided on the outer wall of the cylinder shell section near the upper end, an external thread section is provided on the outer wall of the convex ring section, a connecting ring section is fixedly connected to the lower surface of the breathing cap cover near the outer edge, and an internal thread section matching the external thread section is provided on the inner wall of the connecting ring section.

[0018] As an optimized solution, the breathing channel includes a plurality of vertical channels arranged on the inner wall of the connecting ring segment, and a plurality of transverse channels connected to the vertical channels are opened on the top surface of the breathing cap.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The two oil baffles are arranged up and down to effectively avoid splashing lubricating oil; the oil baffles are arranged in a conical shape, and the inclined oil baffles cooperate with the lower conical shell section to maintain a good oil return effect;

[0021] The built-in conical filter can filter out the lubricating oil accompanying the oil and gas in operation;

[0022] The bearing box breathing cap can ensure the normal pressure of the bearing box, prevent leakage, filter out impurities in the process of adding lubricating oil, and facilitate cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the breathing cap of the present invention when viewed from above;

[0026] Figure 3 It is a structural schematic diagram of the arc positioning plate of the present invention.

[0027] In the figure: 1-cylinder shell section; 2-conical shell section; 3-connecting cylinder; 4-conical filter element; 5-breathing cap; 6-convex ring section; 7-connecting ring section; 8-vertical channel; 9-transverse channel; 10-annular support groove; 11-support ring; 12-oil baffle plate; 13-through gap; 14-arc positioning plate; 15-insertion groove; 16-insertion column. DETAILED DESCRIPTION

[0028] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0029] like Figures 1 to 3 As shown, the multi-purpose bearing box explosion-proof breathing cap comprises a mounting shell, the top of which is detachably connected to a breathing cap cover 5, and a breathing channel is provided between the connection position of the breathing cap cover 5 and the mounting shell.

[0030] A conical filter element 4 is detachably connected to the installation shell.

[0031] Two oil baffles 12 are fixedly connected from top to bottom to the area of ​​the mounting shell below the conical filter element 4.

[0032] The installation direction of the oil baffle is that the lower part follows the rotation direction of the equipment; the oil baffle in the direction of rotation can effectively avoid splashing lubricating oil, and the slightly inclined oil baffle combined with the good conical oil unloading channel at the bottom can maintain a good oil return effect;

[0033] An arc-shaped positioning plate 14 is horizontally fixedly connected to the inner wall of the mounting shell corresponding to each oil baffle plate. The upper surface of the arc-shaped positioning plate 14 is provided with insertion grooves 15 in parallel along its extension direction. The lower surface area of ​​the oil baffle plate 12 at the top is fixedly connected with an insertion column 16 inserted in the insertion groove 15.

[0034] By inserting the insertion column 16 into the insertion slot 15 at different positions, the direction of the notch 13 can be adjusted. Since there are strict orientation requirements between the oil baffle plate and the machine, the position of the oil baffle plate is adjustable. During the installation of the device, the breathing cap can be removed and the position of the oil baffle plate can be adjusted from the top, which is convenient and quick.

[0035] The oil baffle plate 12 is a conical shell, and a through notch 13 is provided on the conical shell. The through notches 13 on the two oil baffle plates 12 are arranged in a staggered manner.

[0036] The tip of the oil baffle plate 12 is arranged downward.

[0037] The mounting shell comprises a cylinder shell section 1, and a conical shell section 2 which is arranged to taper downward is fixedly connected to the lower end of the cylinder shell section 1.

[0038] The lower end of the conical shell section 2 is fixedly connected with a connecting tube 3, and the outer wall of the connecting tube 3 is provided with connecting threads.

[0039] An annular support groove 10 is provided on the inner wall of the cylinder shell section 1 near the upper port. A support ring 11 is fixedly connected to the upper end of the conical filter element 4 , and the support ring 11 is supported in the annular support groove 10 .

[0040] A convex ring section 6 is provided on the outer wall of the cylinder shell section 1 near the upper end, and an external thread section is provided on the outer wall of the convex ring section 6. A connecting ring section 7 is fixedly connected to the lower surface of the breathing cap cover 5 near the outer edge, and an internal thread section matching the external thread section is provided on the inner wall of the connecting ring section 7.

[0041] The breathing passage includes a plurality of vertical passages 8 arranged on the inner wall of the connecting ring section 7 , and a plurality of transverse passages 9 connected to the vertical passages 8 are opened on the top surface of the breathing cap cover 5 .

[0042] The working principle of this device is:

[0043] The two oil baffles 12 are arranged up and down to effectively avoid splashing lubricating oil; the oil baffles 12 are arranged in a conical shape, and the inclined oil baffles 12 cooperate with the lower conical shell section 2 to maintain a good oil return effect;

[0044] The built-in conical filter can filter out the lubricating oil accompanying the oil and gas in operation;

[0045] The bearing box breathing cap can ensure the normal pressure of the bearing box, prevent leakage, filter out impurities in the process of adding lubricating oil, and facilitate cleaning.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. Multi-purpose bearing box explosion-proof breathing cap, characterized by: It comprises a mounting shell, the top of which is detachably connected to a breathing cap (5), and a breathing channel is provided between the connection position of the breathing cap (5) and the mounting shell. A conical filter element (4) is detachably connected to the mounting shell. The area of ​​the mounting shell below the conical filter element (4) is fixedly connected with two oil baffles (12) from top to bottom.

2. The multi-purpose bearing box explosion-proof breathing cap according to claim 1 is characterized in that: The oil baffle plate (12) is a conical shell, and a through notch (13) is provided on the conical shell. The through notches (13) on the two oil baffle plates (12) are arranged in a staggered manner.

3. The multi-purpose bearing box explosion-proof breathing cap according to claim 2 is characterized in that: The tip of the oil baffle plate (12) is arranged downward.

4. The multi-purpose bearing box explosion-proof breathing cap according to claim 3 is characterized in that: The mounting shell comprises a cylindrical shell section (1), the lower end of which is fixedly connected to a conical shell section (2) which is arranged to taper downwards.

5. The multi-purpose bearing box explosion-proof breathing cap according to claim 4 is characterized in that: The lower end of the conical shell section (2) is fixedly connected with a connecting tube (3), and the outer wall of the connecting tube (3) is provided with connecting threads.

6. The multi-purpose bearing box explosion-proof breathing cap according to claim 5 is characterized in that: An annular support groove (10) is provided on the inner wall of the barrel shell section (1) near the upper port, and a support ring (11) is fixedly connected to the upper end of the conical filter element (4), and the support ring (11) is supported in the annular support groove (10).

7. The multi-purpose bearing box explosion-proof breathing cap according to claim 6 is characterized in that: The outer wall of the cylinder shell section (1) near the upper end is provided with a convex ring section (6), and the outer wall of the convex ring section (6) is provided with an external thread section. The lower surface of the breathing cap cover (5) near the outer edge is fixedly connected with a connecting ring section (7), and the inner wall of the connecting ring section (7) is provided with an internal thread section matching the external thread section.

8. The multi-purpose bearing box explosion-proof breathing cap according to claim 7 is characterized in that: The breathing channel comprises a plurality of vertical channels (8) arranged on the inner wall of the connecting ring section (7), and a plurality of transverse channels (9) connected to the vertical channels (8) are provided on the top surface of the breathing cap (5).

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