Pneumatic oil pumping device

Abstract

The utility model discloses a pneumatic oil pumping device which comprises a sliding ring, an oil conveying module and an oil outlet module, the oil conveying module is located between the sliding ring and the oil outlet module, and the end, away from the oil conveying module, of the oil outlet module is provided with an adapter shaft and a pneumatic motor arranged on the adapter shaft. The oil conveying module comprises an oil conveying pipe and an inner rotating shaft arranged in the oil conveying pipe, fan blades are installed at the end, close to the sliding ring, of the inner rotating shaft, the adapter shaft comprises a sleeve head, a rotating shaft connector and a sealing ceramic sliding ring, the sleeve head is of a cavity structure with openings in the two ends and a hollow interior, and a first bearing and a second bearing are installed on the inner wall of the cavity in an embedded mode. A blocking piece is fixed to the rotating shaft connector, a silica gel pad is arranged between the blocking piece and the sealing ceramic sliding ring, and a spring is arranged on the silica gel pad in a sleeved mode. According to the pneumatic oil pumping device, on the basis that the sealing performance is guaranteed, a certain part can be conveniently and independently replaced and maintained, and therefore the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pumping devices, in particular to a pneumatic oil pumping device. Background Art

[0002] When extracting corrosive oil, it is not possible to use live equipment for extraction. In the prior art, pneumatic oil extraction devices are often used for oil extraction. However, in order to ensure the sealing performance of the current pneumatic oil extraction device, the oil pipeline and the pneumatic motor (or other pneumatic equipment) on it are all connected in one piece. Therefore, in the subsequent use process, if the internal structure is damaged or worn, it is not convenient to replace and maintain it. If parts need to be replaced and maintained, it will cost a lot. Utility Model Content

[0003] The utility model aims to provide a pneumatic oil pumping device, which can conveniently replace and maintain a certain part separately on the basis of ensuring the sealing performance, thereby reducing the maintenance cost.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pneumatic oil pumping device, comprising a slip ring, an oil delivery module and an oil outlet module, wherein the oil delivery module is located between the slip ring and the oil outlet module, an end of the oil outlet module away from the oil delivery module is provided with an adapter shaft and an air motor arranged on the adapter shaft, the oil delivery module comprises an oil delivery pipe and an inner rotating shaft arranged in the oil delivery pipe, a fan blade is installed on the inner rotating shaft near the slip ring, the adapter shaft comprises a sleeve, a rotating shaft joint and a sealing ceramic slip ring, the sleeve is a cavity structure with openings at both ends and an internal hollow, a first bearing and a second bearing are embedded and installed on the inner wall of the cavity, and a A baffle, a silicone pad is arranged between the baffle and the sealing ceramic slip ring, a spring is sleeved on the silicone pad, a first blind hole for installing the inner rotating shaft is opened on the end of the rotating shaft joint close to the baffle, a positioning screw hole is penetrated through the inner wall of the first blind hole, a second blind hole is arranged at the end of the rotating shaft joint away from the first blind hole, a plurality of inner screw holes are penetrated through the inner wall of the second blind hole, the rotating shaft joint is arranged in the first bearing and the second bearing, and can rotate in the first bearing and the second bearing, one end of the rotating shaft joint is connected to the inner rotating shaft, and the other end is connected to the output end of the pneumatic motor, and the sealing ceramic slip ring is arranged at the connection between the sleeve and the rotating shaft joint.

[0005] Preferably, the slip ring includes a connecting shell and a ceramic bearing, the connecting shell is threadedly connected to the oil pipeline, and a mounting groove is opened on the connecting shell, the ceramic bearing is installed in the mounting groove, and the ceramic bearing is rotatably connected to the inner shaft.

[0006] Preferably, the oil pipeline is a columnar hollow tube, and a plurality of equally spaced limiting rings are welded to the inner wall of the oil pipeline, and the limiting rings are limitedly connected to the inner rotating shaft.

[0007] Preferably, a first connecting hole matched with the positioning screw hole is provided at one end of the inner rotating shaft away from the slip ring.

[0008] Preferably, the oil outlet module comprises a connecting pipe integrally formed with the oil delivery pipe, and an oil outlet pipe head is detachably connected to the connecting pipe.

[0009] Preferably, the sleeve is provided with an external thread connected to the oil pipeline, and a silicone sealing ring is provided on the sleeve at the external thread, an outer screw hole is provided on the end of the sleeve away from the external thread, the outer screw holes are distributed at intervals along the circumferential direction of the sleeve, and a U-shaped loading and unloading groove is provided on the end of the sleeve close to the outer screw hole.

[0010] Preferably, the output end of the pneumatic motor is provided with a second connecting hole adapted to the inner screw hole.

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

[0012] 1. The utility model fixes the adapter shaft on the oil outlet module, and the adapter shaft is connected with a pneumatic motor, and the adapter shaft and the oil outlet modules and pneumatic motors at both ends thereof are detachable, which not only reduces the process difficulty and reduces the cost in the actual processing process, but also makes it convenient to replace and maintain a certain part separately during use, thereby reducing the maintenance cost;

[0013] 2. The utility model provides a silicone sleeve and a silicone ring on the rotating shaft joint to perform double partial treatment on the joint portion between the connecting pipe and the sleeve head, thereby preventing corrosive oil from seeping into the sleeve head or the pneumatic motor to cause corrosion, thereby being beneficial to protecting the device and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an exploded view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the slip ring of the utility model;

[0017] Figure 4 For the utility model Figure 1 Schematic diagram of the cross section at AA in the middle;

[0018] Figure 5 For the utility model Figure 4 A magnified view of the structure at B in the middle;

[0019] Figure 6 For the utility model Figure 4 A magnified view of the structure at C in the middle;

[0020] Figure 7 This is one of the schematic diagrams of the adapter shaft of the utility model;

[0021] Figure 8 This is the second schematic diagram of the adapter shaft of the utility model;

[0022] Fig. 9 For the utility model Figure 2 Enlarged view of the structure at point D in the middle.

[0023] The reference numerals and names in the figure are as follows: 1. Slip ring; 11. Connecting shell; 12. Ceramic bearing; 13. Mounting groove; 2. Oil delivery module; 21. Oil delivery pipe; 22. Inner rotating shaft; 221. First connecting hole; 23. Fan blade; 24. Limiting ring; 3. Oil outlet module; 31. Connecting pipe; 32. Oil outlet pipe head; 4. Adapter shaft; 41. Socket; 411. External thread; 412. External screw hole; 413. Loading and unloading groove; 414. Silicone sealing ring; 42. Rotating shaft joint; 421. Positioning screw hole; 422. First blind hole; 423. Internal screw hole; 424. Second blind hole; 43. Baffle; 44. Spring; 45. Silicone pad; 46. Sealing ceramic slip ring; 47. First bearing; 48. Second bearing; 5. Pneumatic motor; 51. Second connecting hole. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the embodiments of the present utility model, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of 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 on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0026] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0027] See also Figures 1 to 3 The utility model provides an embodiment: a pneumatic oil pumping device, comprising a slip ring 1, an oil delivery module 2 and an oil outlet module 3, the slip ring 1 comprising a connecting shell 11 and a ceramic bearing 12, the oil delivery module 2 is located between the slip ring 1 and the oil outlet module 3, the oil outlet module 3 is provided with an adapter shaft 4 and a pneumatic motor 5 arranged on the adapter shaft 4 at one end away from the oil delivery module 2, the oil delivery module 2 comprises an oil delivery pipe 21 and an inner rotating shaft 22 arranged in the oil delivery pipe 21, the connecting shell 11 is threadedly connected to the oil delivery pipe 21, and a mounting groove 13 is provided on the connecting shell 11, the ceramic bearing 12 is installed in the mounting groove 13, and the ceramic bearing 12 is rotatably connected to the inner rotating shaft 22, the oil outlet module 3 comprises a connecting pipe 31 integrally formed with the oil delivery pipe 21, and an oil outlet pipe head 32 is detachably connected to the connecting pipe 31;

[0028] See also Figures 4 to 5 A fan blade 23 is installed on one end of the inner rotating shaft 22 close to the slip ring 1, the oil delivery pipe 21 is a columnar hollow pipe, and a plurality of equally spaced limiting rings 24 are welded to the inner wall of the oil delivery pipe 21, and the limiting rings 24 are connected to the inner rotating shaft 22 to ensure the stability of the inner rotating shaft 22 during rotation;

[0029] See also Figures 6 to 9 The adapter shaft 4 includes a sleeve 41, a shaft joint 42 and a sealing ceramic slip ring 46. The sleeve 41 is provided with an external thread 411 connected to the oil pipeline 21, and a silicone sealing ring 414 is provided at the external thread 411 of the sleeve 41. An outer screw hole 412 is provided at one end of the sleeve 41 away from the external thread 411. The outer screw holes 412 are spaced apart along the circumferential direction of the sleeve 41, and a sealing ceramic slip ring 46 is provided at one end of the sleeve 41 close to the outer screw hole 412. The U-shaped loading and unloading groove 413, the sleeve 41 is a cavity structure with openings at both ends and a hollow interior, a first bearing 47 and a second bearing 48 are embedded and installed on the inner wall of the cavity, a baffle 43 is fixed on the rotating shaft joint 42, a silicone pad 45 is arranged between the baffle 43 and the sealing ceramic slip ring 46, a spring 44 is sleeved on the silicone pad 45, a first blind hole 422 for installing the inner rotating shaft 22 is opened on the rotating shaft joint 42 near the baffle 43, the first blind hole 422 for installing the inner rotating shaft 22 is opened on the rotating shaft joint 42, and the first A positioning screw hole 421 is penetrated through the inner wall of a blind hole 422, a first connecting hole 221 matched with the positioning screw hole 421 is provided at the end of the inner shaft 22 away from the slip ring 1, a second blind hole 424 is provided at the end of the shaft joint 42 away from the first blind hole 422, a plurality of inner screw holes 423 are penetrated through the inner wall of the second blind hole 424, a second connecting hole 51 matched with the inner screw hole 423 is provided at the output end of the pneumatic motor 5, the shaft joint 42 is arranged in the first bearing 47 and the second bearing 48, and can rotate in the first bearing 47 and the second bearing 48, one end of the shaft joint 42 is connected to the inner shaft 22, and the other end is connected to the output end of the pneumatic motor 5. In this embodiment, the model of the pneumatic motor 5 is: XS-HS010, the pneumatic motor 5 is the prior art, and its structure is not repeated here, and the sealing ceramic slip ring 46 is arranged at the connection between the sleeve 41 and the shaft joint 42.

[0030] During operation of the utility model, the connecting shell 11 and the oil pipeline 21 are both immersed in the oil to be extracted, and the operation of the pneumatic motor 5 drives the inner rotating shaft 22 to rotate, so that the fan blades 23 on the inner rotating shaft 22 rotate at a high speed and extract the oil from the location of the connecting shell 11. The oil is drawn into the oil pipeline 21 and enters the connecting pipe 31, and is finally discharged from the oil outlet pipe head 32, thereby completing the extraction of the oil.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pneumatic oil pumping device, comprising a slip ring (1), an oil delivery module (2) and an oil outlet module (3), characterized in that: The oil delivery module (2) is located between the slip ring (1) and the oil outlet module (3), and the oil delivery module (2) comprises an oil delivery pipe (21) and an inner rotating shaft (22) arranged in the oil delivery pipe (21); a fan blade (23) is installed on the inner rotating shaft (22) at one end close to the slip ring (1); an adapter shaft (4) is provided at one end of the oil outlet module (3) away from the oil delivery module (2); the adapter shaft (4) comprises a sleeve (41), a rotating shaft joint (42) and a sealing ceramic slip ring (46); the sleeve (41) is a cavity structure with openings at both ends and a hollow interior; a first bearing (47) and a second bearing (48) are embedded and installed on the inner wall of the cavity; the rotating shaft joint (42) is arranged in the first bearing (47) and the second bearing (48) and can rotate in the first bearing (47) and the second bearing (48); the rotating shaft joint (42) One end of the rotating shaft joint (42) is connected to the inner rotating shaft (22), and the other end is connected to the output end of the pneumatic motor (5); a baffle (43) is fixed to the rotating shaft joint (42); a silicone pad (45) is arranged between the baffle (43) and the sealing ceramic slip ring (46); a spring (44) is sleeved on the silicone pad (45); a first blind hole (422) for mounting the inner rotating shaft (22) is opened at one end of the rotating shaft joint (42) close to the baffle (43); a positioning screw hole (421) is penetrated through the inner wall of the first blind hole (422); a second blind hole (424) is arranged at one end of the rotating shaft joint (42) away from the first blind hole (422); a plurality of inner screw holes (423) are penetrated through the inner wall of the second blind hole (424); and the sealing ceramic slip ring (46) is arranged at the connection between the sleeve (41) and the rotating shaft joint (42).

2. A pneumatic oil pumping device according to claim 1, characterized in that: The slip ring (1) comprises a connecting shell (11) and a ceramic bearing (12); the connecting shell (11) is threadedly connected to the oil delivery pipe (21); a mounting groove (13) is provided on the connecting shell (11); the ceramic bearing (12) is mounted in the mounting groove (13); and the ceramic bearing (12) is rotatably connected to the inner rotating shaft (22).

3. A pneumatic oil pumping device according to claim 1, characterized in that: The oil delivery pipe (21) is a columnar hollow pipe, and a plurality of equally spaced limiting rings (24) are provided on the inner wall of the oil delivery pipe (21), wherein the limiting rings (24) are connected to the inner rotating shaft (22) in a limiting manner.

4. A pneumatic oil pumping device according to claim 1, characterized in that: A first connecting hole (221) adapted to the positioning screw hole (421) is provided at one end of the inner rotating shaft (22) away from the slip ring (1).

5. A pneumatic oil pumping device according to claim 1, characterized in that: The oil outlet module (3) comprises a connecting pipe (31) integrally formed with the oil delivery pipe (21), and an oil outlet pipe head (32) is detachably connected to the connecting pipe (31).

6. A pneumatic oil pumping device according to claim 1, characterized in that: The sleeve (41) is provided with an external thread (411) connected to the oil delivery pipe (21), and a silicone sealing ring (414) is provided on the sleeve (41) at the external thread (411). An external screw hole (412) is provided on the sleeve (41) at one end away from the external thread (411), the external screw holes (412) are distributed at intervals along the circumferential direction of the sleeve (41), and a U-shaped loading and unloading groove (413) is provided on the sleeve (41) at one end close to the external screw hole (412).

7. A pneumatic oil pumping device according to claim 1, characterized in that: The output end of the pneumatic motor (5) is provided with a second connection hole (51) adapted to the inner screw hole (423).

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