Sealing structure of lubricating oil finished product storage tank

Abstract

The utility model discloses a sealing structure of a finished lubricating oil storage tank, which relates to the technical field of lubricating oil storage and comprises a tank body, a tank cover is mounted at the top of the tank body, a fixing sleeve is fixedly connected to the top of the tank cover, and a fixing mechanism is mounted at the top of the fixing sleeve. The sealing air bag fills and seals the joint of the tank body and the tank cover, a compression spring is in a compression deformation state, a sliding plate is continuously pushed to move downwards, a connecting rod and a pressing plate are driven to move, the pressing plate keeps downward pressure on an observation air bag, air in the observation air bag is pressed, and air can be automatically supplemented to the sealing air bag when the air in the sealing air bag is reduced; the expansion state of the sealed air bag is maintained, the gap between the storage tank body and the tank cover is better filled with the sealed air bag, the good sealing performance is kept, meanwhile, the state of the sealed air bag is visually reflected by directly checking the position of the observation plate, and timely inspection and maintenance are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of lubricating oil storage technology, and in particular to a sealing structure for a lubricating oil finished product storage tank. Background Technology

[0002] Lubricating oil is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. As an important medium for industrial production and mechanical equipment operation, the sealing of lubricating oil during storage is crucial. Sealing structures are required to ensure the quality of lubricating oil storage. Sealing structures for finished lubricating oil storage tanks include gasket seals, threaded seals, mechanical seals, and sealing airbags.

[0003] For example, CN210235974U discloses a sealing structure for a lubricating oil storage tank, including a storage tank cover, a sealing airbag, a storage tank body, and a protective cover. The top of the storage tank body is welded with a tank opening, and the inner side wall of the tank opening is provided with a first reserved groove. A first sealing gasket is pasted inside the first reserved groove. The top of the storage tank body is provided with a storage tank cover, and the bottom of the outer side of the storage tank cover is fixed with a sealing airbag. One end of the sealing airbag is provided with a vent pipe, and the lower end of the storage tank cover is provided with a protective cover.

[0004] In existing technologies, airbag-type sealing structures fill the gap between the tank and the cover by inflating an airbag. However, during long-term use, the internal air pressure of the sealing airbag may drop due to slow gas leakage and material aging, thereby weakening the sealing effect. It is impossible to directly and effectively monitor the sealing status, resulting in the failure to detect and prevent sealing failure in time, which may lead to serious consequences such as lubricating oil leakage and quality deterioration. Utility Model Content

[0005] The purpose of this invention is to solve the problem that in the existing technology, the internal air pressure of the sealed airbag will drop due to slow gas leakage and material aging during long-term use, which will weaken the sealing effect or even cause the sealing to fail. Therefore, a sealing structure for a lubricating oil finished product storage tank is proposed.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a sealing structure for a lubricating oil finished product storage tank, comprising a tank body, a tank cover installed on the top of the tank body, a fixing sleeve fixedly connected to the top of the tank cover, a fixing mechanism installed on the top of the fixing sleeve, a sealing mechanism installed on the inner side of the fixing sleeve, the sealing mechanism comprising a fixing cover, a fixing frame fixedly connected to the top of the fixing cover, an observation plate slidably connected to the top of the fixing frame, a sliding plate fixedly connected to one end of the observation plate, a connecting rod fixedly connected to one end of the sliding plate, a pressure plate fixedly connected to one end of the connecting rod passing through the fixing cover, an observation airbag abutting one side of the pressure plate, a connecting pipe fixedly connected to the inner ring of the observation airbag, and a sealing airbag fixedly connected to one end of the connecting pipe passing through the top side of the tank cover.

[0007] Preferably, a guide rod is fixedly connected inside the fixed frame, and the other end of the guide rod is fixedly connected to the top side of the fixed cover. The outside of the guide rod is slidably connected to the sliding plate.

[0008] Preferably, a compression spring is sleeved on the outside of the guide rod, and the compression spring is disposed between the fixed frame and the sliding plate.

[0009] Preferably, a mounting sleeve is provided on one side of the sealing airbag, and the top of the mounting sleeve is fixedly connected to the inside of the can lid.

[0010] Preferably, the fixing mechanism includes a fixing block, a plug rod is fixedly connected to one side of the fixing block, protrusions are fixedly connected to both sides of the plug rod, a plug sleeve is fixedly connected to the outer side of the fixing sleeve, and positioning grooves are provided on both sides of the plug sleeve.

[0011] Preferably, the plug rod is inserted into the inside of the plug sleeve, and the outside of the protrusion abuts against the inside of the positioning groove.

[0012] Preferably, a guide sleeve is fixedly connected to the inner side of the fixed sleeve, and a positioning rod is inserted into the inside of the guide sleeve. One end of the positioning rod is fixedly connected to the top side of the fixed cover.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the sealing airbag fills and seals the connection between the tank body and the tank cover. Because the compression spring is in a compressed deformation state, it continuously pushes the sliding plate downward, driving the connecting rod and the pressure plate to move. The pressure plate maintains downward pressure on the observation airbag, compressing the gas inside the observation airbag. It can automatically replenish the gas in the sealing airbag when the gas is reduced, maintaining the expansion state of the sealing airbag, so that it can better fill the gap between the storage tank body and the tank cover, maintaining good sealing performance. At the same time, by directly observing the position of the observation plate, the state of the sealing airbag can be intuitively reflected, which is convenient for timely inspection and maintenance.

[0015] 2. In this utility model, the positioning rod is aligned with the corresponding guide sleeve, so that the positioning rod is inserted into the inside of the guide sleeve to position the fixing cover in the horizontal direction. At this time, the plug-in rod is inserted into the inside of the plug-in sleeve, and the plug-in rod deforms. If it continues to be pressed down, the protrusion contacts the positioning groove. The deformed plug-in rod recovers and pushes the protrusion to be inserted into the inside of the positioning groove, thereby installing the fixing cover. By pressing the two protrusions in the middle, the fixing cover can be removed upwards, which facilitates quick installation and removal of the fixing cover. Attached Figure Description

[0016] Figure 1 This utility model provides a three-dimensional structural diagram of a sealing structure for a finished lubricating oil storage tank;

[0017] Figure 2 This utility model provides a disassembly diagram of the sealing structure of a finished lubricating oil storage tank;

[0018] Figure 3 This utility model provides a schematic diagram of the internal planar structure of a sealing structure for a finished lubricating oil storage tank;

[0019] Figure 4 This utility model proposes a sealing structure for a finished lubricating oil storage tank. Figure 2 A magnified schematic diagram of the structure at point A.

[0020] Legend: 1. Tank body; 2. Tank lid; 3. Fixing sleeve; 4. Sealing mechanism; 41. Fixing cover; 42. Fixing frame; 43. Observation plate; 44. Connecting rod; 45. Observation airbag; 46. Connecting pipe; 47. Mounting sleeve; 48. Sealing airbag; 49. Pressure plate; 410. Sliding plate; 411. Compression spring; 412. Guide rod; 5. Fixing mechanism; 51. Fixing block; 52. Guide sleeve; 53. Insertion rod; 54. Insertion sleeve; 55. Positioning groove; 56. Protrusion; 57. Positioning rod. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: As Figures 1-4As shown, this utility model provides a sealing structure for a lubricating oil finished product storage tank, including a tank body 1. A tank cover 2 is installed on the top of the tank body 1. A fixing sleeve 3 is fixedly connected to the top of the tank cover 2. A fixing mechanism 5 is installed on the top of the fixing sleeve 3. A sealing mechanism 4 is installed on the inner side of the fixing sleeve 3. The sealing mechanism 4 includes a fixing cover 41. A fixing frame 42 is fixedly connected to the top of the fixing cover 41. An observation plate 43 is slidably connected to the top of the fixing frame 42. A sliding plate 410 is fixedly connected to one end of the observation plate 43. A connecting rod 44 is fixedly connected to one end of the sliding plate 410. One end of the connecting rod 44 passes through the fixing cover 41 and is fixedly connected to a pressure plate 49. One side of 49 is abutted against an observation airbag 45. The inner ring of the observation airbag 45 is fixedly connected to a connecting tube 46. One end of the connecting tube 46 passes through the top side of the can lid 2 and is fixedly connected to a sealing airbag 48. A guide rod 412 is fixedly connected inside the fixed frame 42. The other end of the guide rod 412 is fixedly connected to the top side of the fixed cover 41. The outside of the guide rod 412 is slidably connected to the sliding plate 410. A compression spring 411 is sleeved on the outside of the guide rod 412. The compression spring 411 is set between the fixed frame 42 and the sliding plate 410. An installation sleeve 47 is provided on one side of the sealing airbag 48. The top of the installation sleeve 47 is fixedly connected to the inside of the can lid 2.

[0024] The sealing airbag 48 is supported and positioned by the mounting sleeve 47. The sealing airbag 48 fills and seals the connection between the tank body 1 and the tank cover 2. The compression spring 411 is in a compressed deformation state, continuously pushing the sliding plate 410 downward. The sliding plate 410 slides on the fixed frame 42. The fixed sliding plate 410 makes linear motion, driving the connecting rod 44 and the pressure plate 49 to move. The pressure plate 49 maintains downward pressure on the observation airbag 45, compressing the gas inside the observation airbag 45. The gas moves into the sealing airbag 48 through the connecting pipe 46. It can automatically replenish the gas in the sealing airbag 48 when the gas decreases, maintaining the expansion state of the sealing airbag 48, so that it can better fill the gap between the storage tank body 1 and the tank cover 2 and maintain good sealing performance. At the same time, as the sliding plate 410 descends, the observation plate 43 descends accordingly. By directly observing the position of the observation plate 43 from the outside, the status of the sealing airbag 48 can be intuitively reflected, and timely inspection and maintenance can be carried out.

[0025] Example 2: Figure 1 and Figure 4As shown, the fixing mechanism 5 includes a fixing block 51, a plug rod 53 is fixedly connected to one side of the fixing block 51, and protrusions 56 are fixedly connected to both sides of the plug rod 53. A plug sleeve 54 is fixedly connected to the outer side of the fixing sleeve 3, and positioning grooves 55 are provided on both sides of the plug sleeve 54. The plug rod 53 is inserted into the inside of the plug sleeve 54, and the outer side of the protrusion 56 abuts against the inner side of the positioning groove 55. A guide sleeve 52 is fixedly connected to the inner side of the fixing sleeve 3, and a positioning rod 57 is inserted into the inside of the guide sleeve 52. One end of the positioning rod 57 is fixedly connected to the top side of the fixing cover 41.

[0026] Align the positioning rod 57 on the fixed cover 41 with the corresponding guide sleeve 52, so that the positioning rod 57 is inserted into the inside of the guide sleeve 52, and the fixed cover 41 is positioned in the horizontal direction. At this time, the insertion rod 53 is inserted into the inside of the insertion sleeve 54, and the insertion rod 53 deforms. The protrusion 56 abuts against the inside of the insertion sleeve 54. Continue to press down, so that the protrusion 56 contacts the positioning groove 55. The deformed insertion rod 53 returns to its original shape, pushing the protrusion 56 to be inserted into the inside of the positioning groove 55, thereby installing the fixed cover 41. When inspecting and inflating the observation airbag 45 inside the fixed sleeve 3, the fixed cover 41 can be removed upward by pressing the two protrusions 56 in the middle, which facilitates quick installation and removal of the fixed cover 41.

[0027] The method of use and working principle of this device: Align the positioning rod 57 on the fixed cover 41 with the corresponding guide sleeve 52, so that the positioning rod 57 is inserted into the inside of the guide sleeve 52. At this time, the insertion rod 53 is inserted into the inside of the insertion sleeve 54. The insertion rod 53 deforms, and the protrusion 56 abuts against the inside of the insertion sleeve 54. Continue to press down and push the protrusion 56 into the inside of the positioning groove 55, thereby installing the fixed cover 41. After the tank body 1 and the tank cover 2 are installed, the sealing airbag 48 fills and seals the connection between the tank body 1 and the tank cover 2. The compression spring 411 is in a compressed deformation state and continuously pushes the sliding plate 410 to move downward, driving the connecting rod 44 and the pressure plate 49 to move. The pressure plate 49 maintains the downward pressure on the observation airbag 45, compressing the gas inside the observation airbag 45. It can automatically replenish the gas in the sealing airbag 48 when the gas decreases, maintaining the expansion state of the sealing airbag 48. At the same time, as the sliding plate 410 descends, the observation plate 43 descends accordingly, allowing direct external observation of the state of the sealing airbag 48.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A sealing structure for a lubricating oil finished product storage tank, comprising a tank body (1), characterized in that: The top of the tank body (1) is fitted with a tank cover (2), the top of the tank cover (2) is fixedly connected with a fixing sleeve (3), the top of the fixing sleeve (3) is fitted with a fixing mechanism (5), the inner side of the fixing sleeve (3) is fitted with a sealing mechanism (4), the sealing mechanism (4) includes a fixing cover (41), the top of the fixing cover (41) is fixedly connected with a fixing frame (42), the top of the fixing frame (42) is slidably connected with an observation plate (43), one end of the observation plate (43) is fixedly connected with a sliding plate (410), one end of the sliding plate (410) is fixedly connected with a connecting rod (44), one end of the connecting rod (44) passes through the fixing cover (41) and is fixedly connected with a pressure plate (49), one side of the pressure plate (49) abuts against an observation airbag (45), the inner ring of the observation airbag (45) is fixedly connected with a connecting pipe (46), one end of the connecting pipe (46) passes through the top side of the tank cover (2) and is fixedly connected with a sealing airbag (48).

2. A lubricating oil finished product storage tank seal structure according to claim 1, characterized by: The fixed frame (42) is fixedly connected to a guide rod (412), the other end of which is fixedly connected to the top side of the fixed cover (41), and the outside of the guide rod (412) is slidably connected to the sliding plate (410).

3. A lubricating oil finished product storage tank seal structure according to claim 2, characterized by: A compression spring (411) is sleeved on the outside of the guide rod (412), and the compression spring (411) is located between the fixed frame (42) and the sliding plate (410).

4. A lubricating oil finished product storage tank seal structure according to claim 1, characterized by: A mounting sleeve (47) is provided on one side of the sealing airbag (48), and the top of the mounting sleeve (47) is fixedly connected to the inside of the can lid (2).

5. A lubricating oil finished product storage tank seal as defined in claim 1 wherein: The fixing mechanism (5) includes a fixing block (51), a plug rod (53) is fixedly connected to one side of the fixing block (51), and protrusions (56) are fixedly connected to both sides of the plug rod (53). A plug sleeve (54) is fixedly connected to the outside of the fixing sleeve (3), and positioning grooves (55) are provided on both sides of the plug sleeve (54).

6. A lubricating oil finished product storage tank seal structure according to claim 5, characterized by: The plug rod (53) is inserted into the inside of the plug sleeve (54), and the outside of the protrusion (56) abuts against the inside of the positioning groove (55).

7. A lubricating oil finished product storage tank seal as defined in claim 1 wherein: A guide sleeve (52) is fixedly connected to the inner side of the fixed sleeve (3). A positioning rod (57) is inserted into the inside of the guide sleeve (52). One end of the positioning rod (57) is fixedly connected to the top side of the fixed cover (41).

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