Flange type butterfly valve gear box

Abstract

The utility model relates to the technical field of butterfly valve transmission devices, in particular to a flange type butterfly valve gearbox which comprises a box body and a platen, a first silica gel plug is manually pulled upwards, lubricating oil is filled into the box body through a circular groove formed in the top of an oil pipe, then the first silica gel plug and the circular groove formed in the top of the oil pipe are manually pushed to slide and reset, and a hand lever is manually pushed leftwards. At the moment, the rubber sliding plug moves leftwards and extrudes lubricating oil in the oil pipe, the lubricating oil is extruded to enter the thin pipe and sprayed out through an atomizing nozzle arranged at the tail end of the thin pipe, and after the sprayed atomized lubricating oil sprays and lubricates a transmission worm and a gear, the dripping lubricating oil is collected in an area between the bottom of the box body and the bottom of the table plate through the inclined plane of the table plate; by means of the arrangement, atomized lubricating oil can be sprayed to the clamping area between the transmission worm and the gear, and the lubricating efficiency of the transmission worm and the gear is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valve transmission devices, in particular to a flange type butterfly valve gear box. Background Art

[0002] The inside of the butterfly valve box usually adopts a structure in which a worm and a gear are engaged as the transmission structure. Taking the flange-type butterfly valve gear box used for connecting pipes as an example, the transmission engagement position of the worm and gear needs to be lubricated and maintained regularly to extend the service life of the worm and gear transmission structure.

[0003] Some flange-type butterfly valve gearboxes require the box to be disassembled as a whole before the worm and gears assembled inside can be lubricated and maintained, resulting in low lubrication efficiency for the worm and gears. Therefore, a flange-type butterfly valve gearbox is proposed to address the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a flange type butterfly valve gear box to solve the problem that some flange type butterfly valve gear boxes proposed in the above background technology need to disassemble the box body as a whole before lubricating and maintaining the worm and gears assembled inside, resulting in low lubrication efficiency for the worm and gears.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A flange type butterfly valve gear box comprises a box body and a table plate, wherein a table plate is fixedly arranged inside the bottom end of the box body, a transmission worm is rotatably arranged inside the left and right ends of the box body, a handle plate is fixedly arranged on the left end of the transmission worm, the center position of the transmission worm is engaged with the gear, an oil pipe is fixedly arranged inside the right end of the box body, a thin tube is fixedly connected to the left end of the oil pipe, an atomizing nozzle is fixedly connected to the rear end of the thin tube, a circular groove opened inside the top end of the oil pipe is slidably arranged with a first silicone plug, a hand lever is arranged on the right end of the oil pipe, a rubber sliding plug is fixedly arranged on the left end of the hand lever, an outlet pipe is fixedly connected to the bottom end of the box body, and a second silicone plug is slidably arranged inside the bottom end of the outlet pipe.

[0007] Preferably, the bottom end of the gear is in contact with the top end of the table, and the handle rod assembled and placed inside the gear is in contact with the inside of the table and the bottom of the box.

[0008] Preferably, when the box body needs lubrication and maintenance, the hand lever and the rubber plug are an integrated rod, and the hand lever is manually pressed to the left until the rubber plug is entirely located on the inner wall of the oil pipe. At this time, the rubber plug is located on the right side of the first silicone plug. The first silicone plug is manually pulled upwards to inject lubricating oil into the interior through the circular groove on the top of the oil pipe, and then the first silicone plug and the circular groove on the top of the oil pipe are manually pushed to slide and reset.

[0009] Preferably, the ends of the two branch pipes opened at the rear end of the capillary tube are bent to point to the engagement area of ​​the transmission worm and the gear, and the atomizing nozzle is connected to the branch pipes at the end of the capillary tube for spraying atomized lubricating oil.

[0010] Preferably, the outlet pipe is located in the right area of ​​the bottom of the box and the bottom of the table. After the atomized lubricating oil is sprayed to lubricate the transmission worm and gear, the dripping lubricating oil is collected in the area between the bottom of the box and the bottom of the table through the inclined surface of the table, and the lubricating oil is recovered through the outlet pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, when the box body needs lubrication and maintenance, the hand lever and the rubber sliding plug are an integrated rod, and the hand lever is manually pressed to the left until the rubber sliding plug is located on the inner wall of the oil pipe as a whole. At this time, the rubber sliding plug is located on the right side of the first silicone plug, and the first silicone plug is manually pulled upward to inject lubricating oil into the inside through the circular groove opened on the top of the oil pipe. Then, the first silicone plug and the circular groove on the top of the oil pipe are manually pushed to slide and reset, and the hand lever is manually pushed to the left. At this time, the rubber sliding plug moves to the left and squeezes the lubricating oil inside the oil pipe, and the lubricating oil is squeezed into the inside of the capillary tube. And it is sprayed through the atomizing nozzle arranged at the end of the capillary tube, so as to lubricate and maintain the engaging position of the transmission worm and the gear. After the atomized lubricating oil is sprayed to lubricate the transmission worm and the gear, the dripping lubricating oil is collected in the area between the bottom of the box body and the bottom of the table through the inclined surface of the table. The second silicone plug is manually slid downward until the second silicone plug is separated from the inside of the outlet pipe, and the lubricating oil can be recovered through the outlet pipe. Through the above arrangement, the atomized lubricating oil can be sprayed on the engaging area between the transmission worm and the gear to improve the lubrication efficiency of the transmission worm and the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a horizontal cross-sectional internal structure schematic diagram of the box body of the utility model;

[0015] Figure 3 For this utility model Figure 2 A schematic diagram of the structure at A;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the oil pipe of the utility model;

[0017] Figure 5 For this utility model Figure 1 A front view structural diagram of

[0018] Figure 6 For this utility model Figure 5 Schematic diagram of the structure at B;

[0019] Figure 7 This is a schematic diagram of the table position structure of the utility model.

[0020] In the figure: 1. box body; 2. table; 3. transmission worm; 4. handle plate; 5. gear; 6. oil pipe; 7. capillary tube; 8. atomizing nozzle; 9. first silicone plug; 10. hand lever; 11. outlet pipe; 12. second silicone plug; 13. rubber sliding plug. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the embodiments of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Similarly, similar words such as "one", "an", or "the" do not indicate a quantitative limitation, but rather indicate the presence of at least one. Similar words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0023] In addition, in the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-7 , the utility model provides a technical solution:

[0025] A flange type butterfly valve gearbox comprises a box body 1 and a table plate 2, wherein the table plate 2 is fixedly arranged inside the bottom end of the box body 1, a transmission worm 3 is rotatably arranged inside the left end and the right end of the box body 1, a handle plate 4 is fixedly arranged on the left end of the transmission worm 3, and the center position of the transmission worm 3 is engaged and assembled with a gear 5, an oil pipe 6 is fixedly arranged inside the right end of the box body 1, a thin tube 7 is fixedly connected to the left end of the oil pipe 6, and an atomizing nozzle 8 is fixedly connected to the rear end of the thin tube 7, a circular groove opened inside the top end of the oil pipe 6 is slidably arranged with a first silicone plug 9, a hand lever 10 is arranged on the right end of the oil pipe 6, and a rubber sliding plug 13 is fixedly arranged on the left end of the hand lever 10, an outlet pipe 11 is fixedly connected to the bottom end of the box body 1, and a second silicone plug 12 is slidably arranged inside the bottom end of the outlet pipe 11.

[0026] The bottom end of the gear 5 is in contact with the top of the table 2, and the handle rod assembled and placed inside the gear 5 is in contact with the inside of the table 2 and the bottom of the box 1; when the box 1 needs lubrication and maintenance, the hand lever 10 and the rubber plug 13 are an integrated rod. The hand lever 10 is manually pressed to the left until the rubber plug 13 is located on the inner wall of the oil pipe 6 as a whole. At this time, the rubber plug 13 is located on the right side of the first silicone plug 9. The first silicone plug 9 is manually pulled upwards to inject lubricating oil into the inside through the circular groove opened on the top of the oil pipe 6, and then the first silicone plug 9 is manually pushed and The circular groove on the top of the oil pipe 6 slides and resets; the ends of the two branch pipes opened at the rear end of the capillary 7 are bent to point to the engagement area of ​​the transmission worm 3 and the gear 5, and the atomizing nozzle 8 is connected to the end branch pipe of the capillary 7 for spraying atomized lubricating oil; the outlet pipe 11 is located in the right area of ​​the bottom of the box body 1 and the bottom of the table 2. After the atomized lubricating oil is sprayed to lubricate the transmission worm 3 and the gear 5, the dripping lubricating oil is collected in the area between the bottom of the box body 1 and the bottom of the table 2 through the inclined surface of the table 2, and the lubricating oil is recovered through the outlet pipe 11.

[0027] Working process: The utility model presets a fixed oil guide structure inside the box body 1, and can spray atomized lubricating oil on the engaging area between the transmission worm 3 and the gear 5 without opening the box body 1, thereby improving the lubrication efficiency of the transmission worm 3 and the gear 5.

[0028] The box body 1 of the device body is a manual structure. During the period when the transmission worm 3 and the gear 5 are not lubricated and maintained, the hand lever 10 and the rubber plug 13 are an integrated rod. The hand lever 10 can be directly pulled to the right until the rubber plug 13 is separated from the inner wall of the oil pipe 6. The hand lever 10 and the rubber plug 13 can be stored independently. The handle plate 4 is manually rotated to drive the transmission worm 3 to rotate through the handle plate 4. The transmission worm 3 is engaged with the gear 5 to drive the gear 5 to rotate. The bottom end of the handle rod assembled inside the gear 5 is fixed to the butterfly valve plate, and the rotation of the gear 5 drives the rotation of the butterfly valve plate. The connection method between the above-mentioned gear 5 and the butterfly valve plate is a prior art structure.

[0029] When the box body 1 needs lubrication and maintenance, the hand lever 10 and the rubber plug 13 are an integrated rod. The hand lever 10 is manually pressed to the left until the rubber plug 13 is located on the inner wall of the oil pipe 6 as a whole. At this time, the rubber plug 13 is located on the right side of the first silicone plug 9. The first silicone plug 9 is manually pulled upwards to inject lubricating oil into the inside through the circular groove opened on the top of the oil pipe 6. Then, the first silicone plug 9 and the circular groove on the top of the oil pipe 6 are manually pushed to slide and reset. The hand lever 10 is manually pushed to the left. At this time, the rubber plug 13 moves to the left and squeezes the oil pipe. 6, the lubricating oil inside is squeezed into the inside of the capillary 7, and is sprayed out through the atomizing nozzle 8 set at the end of the capillary 7, so as to lubricate and maintain the engaging position of the transmission worm 3 and the gear 5. After the atomized lubricating oil is sprayed to lubricate the transmission worm 3 and the gear 5, the dripping lubricating oil is collected in the area between the bottom of the box body 1 and the bottom of the table 2 through the inclined surface of the table 2. The second silicone plug 12 is manually slid downward until the second silicone plug 12 is separated from the inside of the outlet pipe 11, and the lubricating oil can be recovered through the outlet pipe 11.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flange type butterfly valve gearbox, comprising a box body (1) and a table (2), characterized in that: A table (2) is fixedly arranged inside the bottom end of the box body (1), a transmission worm (3) is rotatably arranged inside the left and right ends of the box body (1), a handle plate (4) is fixedly arranged on the left end of the transmission worm (3), and the center position of the transmission worm (3) is engaged with the gear (5). An oil pipe (6) is fixedly arranged inside the right end of the box body (1), a thin tube (7) is fixedly connected to the left end of the oil pipe (6), and an atomizing nozzle (8) is fixedly connected to the rear end of the thin tube (7). A circular groove is provided inside the top end of the oil pipe (6) and is slidably arranged with a first silicone plug (9). A hand lever (10) is provided at the right end of the oil pipe (6), and a rubber sliding plug (13) is fixedly arranged on the left end of the hand lever (10). An outlet pipe (11) is fixedly connected to the bottom end of the box body (1), and the bottom end of the outlet pipe (11) is slidably arranged with a second silicone plug (12).

2. According to claim 1, a flange type butterfly valve gearbox is characterized in that: The bottom end of the gear (5) is in contact with the top end of the table (2), and the handle rod assembled and placed inside the gear (5) is in contact with the inside of the table (2) and the bottom of the box (1).

3. According to claim 1, a flange type butterfly valve gearbox is characterized in that: When the box body (1) needs lubrication and maintenance, the hand lever (10) and the rubber plug (13) are an integrated rod, and the hand lever (10) is manually pressed to the left until the rubber plug (13) is entirely located on the inner wall of the oil pipe (6). At this time, the rubber plug (13) is located on the right side of the first silicone plug (9). The first silicone plug (9) is manually pulled upward to inject lubricating oil into the interior through the circular groove opened at the top of the oil pipe (6), and then the first silicone plug (9) is manually pushed to slide and reset with the circular groove at the top of the oil pipe (6).

4. According to claim 1, a flange type butterfly valve gearbox is characterized in that: The ends of the two branch pipes opened at the rear end of the capillary tube (7) are bent and point toward the engagement area of ​​the transmission worm (3) and the gear (5), and the atomizing nozzle (8) is connected to the branch pipes at the end of the capillary tube (7) for spraying atomized lubricating oil.

5. According to claim 1, a flange type butterfly valve gearbox is characterized in that: The outlet pipe (11) is located in the right area of ​​the bottom of the box body (1) and the bottom of the table (2). After the atomized lubricating oil is sprayed to lubricate the transmission worm (3) and the gear (5), the dripping lubricating oil is collected in the area between the bottom of the box body (1) and the bottom of the table (2) through the inclined surface of the table (2), and the lubricating oil is recovered through the outlet pipe (11).

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