Centralized lubrication filling port device and engineering machinery

Abstract

The utility model discloses a centralized lubrication filling port device and engineering machinery. The centralized lubrication filling port device comprises an external mounting part and an internal mounting part, a quick filling port, an oil filling port, a grease nipple filling port and a slotted hole are formed in the external mounting piece; the internal mounting piece is mounted in the slotted hole and can rotate in the slotted hole, and the following three communication modes are realized through the rotating internal mounting piece: a communication mode I, when the internal mounting piece rotates to a first angle, the quick single-pass of the filling port and the oil filling port is realized; in the second communication mode, when the internal mounting part rotates to a second angle, the grease nipple filling port and the grease filling port are unidirectionally communicated; and in the third communication mode, when the internal mounting piece rotates to a third angle, the quick filling port, the oil filling port and the grease fitting filling port are all communicated. According to the utility model, the grease nipple or the quick connector can be selected for filling by adjusting the internal mounting piece, and the filling mode is switched without remanufacturing parts of the equipment.

Description

Technical Field

[0001] The utility model relates to a centralized lubrication filling port device, belonging to the technical field of engineering machinery. Background Art

[0002] The existing automatic centralized lubrication system needs to be greased through a quick-filling connector to meet its quick grease needs; the use of quick-filling connectors requires matching corresponding filling equipment, but some mines do not have filling equipment, so the equipment will be modified: after removing the quick-filling connector, a grease nozzle filling port will be added. The grease nozzle inlet diameter of the filling port after the mine modification is smaller, and the filling speed is slower. The quick-filling connector will be reinstalled when the number of equipment increases. Summary of the invention

[0003] In view of the deficiencies of the prior art, the utility model provides a centralized lubrication filling port device, which can change the connection mode of the three external joints by adjusting the knob to achieve single-pass between the bottom and the top, single-pass between the side and the top, and full-pass of the three ports.

[0004] The utility model is implemented according to the following technical solutions:

[0005] In the first aspect, the utility model provides a centralized lubrication filling port device, including an external mounting part and an internal mounting part; the external mounting part is provided with a quick filling port, an oil filling port, a grease nipple filling port and a slot; the internal mounting part is installed in the slot and can rotate in the slot, and the following three connection modes are realized by rotating the internal mounting part:

[0006] Connection mode 1: When the internal mounting part is rotated to the first angle, the quick filling port and the oil filling port are single-pass;

[0007] Connection mode 2: When the internal mounting part is rotated to the second angle, the grease nipple filling port and the oil filling port are connected in a single way;

[0008] Connectivity mode three: When the internal mounting part is rotated to the third angle, the quick filling port, the oil filling port, and the grease nipple filling port are all connected.

[0009] In some embodiments, the external mounting component is a square structure as a whole, the slot hole extends backward from the front surface of the external mounting component and does not penetrate the back of the external mounting component; the quick filling port extends upward from the bottom surface of the external mounting component to the slot hole; the oil filling port extends downward from the top surface of the external mounting component to the slot hole; the grease nipple filling port extends rightward from the left side of the external mounting component to the slot hole; the quick filling port, the oil filling port, and the grease nipple filling port are connected together through the slot hole, and the quick filling port and the oil filling port are located on the same central axis.

[0010] In some embodiments, the internal mounting member is a cylinder as a whole, and its outer diameter is the same as the inner diameter of the slot of the external mounting member; the internal mounting member is provided with a radial through hole and a radial blind hole, the through hole is connected to the blind hole, the through hole and the blind hole have the same inner diameter, and the central axis of the through hole is perpendicular to the central axis of the blind hole;

[0011] When the internal mounting part is rotated so that the through hole is coaxial with the quick filling port and the oil filling port and the blind hole faces away from the grease nipple filling port, a connection mode 1 is formed;

[0012] When the internal mounting part is rotated so that the through hole is coaxial with the grease nipple filling port and the blind hole is coaxial with the oil filling port, a second connection mode is formed;

[0013] When the internal mounting part is rotated so that the through hole is coaxial with the quick filling port and the oil filling port and the blind hole is coaxial with the grease nipple filling port, connection mode three is formed.

[0014] In some embodiments, in the case of connection mode one, the first angle is set to 0 degrees; the internal mounting part is rotated 180 degrees clockwise to form connection mode three; the internal mounting part is rotated 270 degrees clockwise to form connection mode two.

[0015] In some embodiments, the connection between the outer axial surface of the internal mounting member and the radial axial surface is rounded to reduce the contact surface with the slot hole of the external mounting member.

[0016] In some embodiments, the inner circumference of the quick filling port is provided with threads for assembling the quick filling connector by a threaded connection; the inner circumference of the oil filling port is provided with threads for assembling the oil filling pipe joint by a threaded connection; the inner circumference of the grease nipple filling port is provided with threads for assembling the grease nipple by a threaded connection.

[0017] In some embodiments, the external mounting part is equipped with an outer cover plate whose shape matches the slotted hole on the side surface thereof; the outer cover plate is provided with a circular hole coaxial with the internal mounting part, the inner diameter of the circular hole is smaller than the outer diameter of the internal mounting part having a cylindrical structure, and the circular hole is used on the one hand to avoid the knob provided on the internal mounting part, and on the other hand to limit the axial movement of the internal mounting part.

[0018] In some embodiments, a limiting protrusion is installed on the outer side surface of the outer cover plate near the circular hole; when the knob on the internal mounting part is located at one end of the limiting protrusion, the quick filling port and the oil filling port are single-way; when the internal mounting part is rotated 270 degrees by the knob so that the knob is located at the other end of the limiting protrusion, the grease nipple filling port and the oil filling port are single-way.

[0019] In some embodiments, the outer cover plate is provided with a plurality of mounting holes around it, the external mounting member is provided with threaded holes corresponding to the mounting holes one by one, and the outer cover plate is assembled on the external mounting member by bolts.

[0020] In a second aspect, the utility model provides an engineering machine equipped with the above-mentioned centralized lubrication filling port device.

[0021] Beneficial effects of the utility model:

[0022] The filling port device of the utility model increases the filling mode. After using the filling port device, by adjusting the knob, it is possible to choose to use a grease nipple for filling or a quick connector for filling, and switching the filling mode does not require the modification of parts of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0024] In the attached picture:

[0025] Figure 1 This is a structural diagram of the centralized lubrication filling port device state A of the utility model (a is the main view, b is the cross-sectional view);

[0026] Figure 2 This is a structural diagram of the centralized lubrication filling port device state B of the utility model (a is the main view, b is the cross-sectional view);

[0027] Figure 3 This is a structural diagram of the external mounting member of the utility model;

[0028] Figure 4 This is a structural diagram of the internal mounting parts of the utility model;

[0029] Figure 5 This is a structural diagram of the outer cover plate of the utility model;

[0030] Figure 6 This is a structural diagram of the centralized lubrication filling port device state C of the utility model.

[0031] Figures and symbols: 1. External mounting parts, 2. Internal mounting parts, 3. External cover plate, 4. Grease nipple, 5. Oil filling pipe joint, 6. Quick filling joint;

[0032] 11. Quick filling port, 12. Oil filling port, 13. Grease nipple filling port, 14. Slotted hole, 15. Threaded hole;

[0033] 21, through hole, 22, blind hole, 23, knob;

[0034] 31. round hole, 32. limiting protrusion, 33. mounting hole.

[0035] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0037] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] like Figure 1 , Figure 2 , Figure 6 As shown, a centralized lubrication filling port device includes an external mounting member 1 and an internal mounting member 2; the external mounting member 1 is provided with a quick filling port 11, an oil filling port 12, a grease nipple filling port 13 and a slot 14; the internal mounting member 2 is installed in the slot 14 and can rotate in the slot 14, and the following three connection modes are realized by rotating the internal mounting member 2:

[0040] Connection mode 1: when the internal mounting member 2 is rotated to the first angle, the quick filling port 11 and the oil filling port 12 are single-pass;

[0041] Communication mode 2: when the internal mounting member 2 is rotated to the second angle, the grease nipple filling port 13 and the oil filling port 12 are connected in a single connection;

[0042] Connectivity mode three: when the internal mounting member 2 is rotated to the third angle, the quick filling port 11, the oil filling port 12, and the grease nipple filling port 13 are all connected.

[0043] The above-mentioned external mounting parts and internal mounting parts are further described below.

[0044] like Figure 3 As shown, the external mounting part 1 is a square structure as a whole, and the slot 14 extends backward from the front surface of the external mounting part 1 without penetrating the back of the external mounting part 1; the quick filling port 11 extends upward from the bottom surface of the external mounting part 1 to the slot 14; the oil filling port 12 extends downward from the top surface of the external mounting part 1 to the slot 14; the grease nipple filling port 13 extends rightward from the left side of the external mounting part 1 to the slot 14; the quick filling port 11, the oil filling port 12, and the grease nipple filling port 13 are connected together through the slot 14, and the quick filling port 11 and the oil filling port 12 are located on the same central axis.

[0045] It should be noted that, as mentioned above, the front, back, top, bottom and left sides are only used to express the installation position relationship between the quick filling port, oil filling port, grease nipple filling port and the slot hole. Therefore, the specific installation surfaces of each component cannot be understood as a limitation of the present invention.

[0046] like Figure 4 As shown, the internal mounting part 2 is a cylinder as a whole, and its outer diameter is the same as the inner diameter of the slot 14 of the external mounting part 1; the internal mounting part 2 is provided with a radial through hole 21 and a radial blind hole 22, the through hole 21 is connected with the blind hole 22, the through hole 21 and the blind hole 22 have the same inner diameter, and the central axis of the through hole 21 is perpendicular to the central axis of the blind hole 22; when the internal mounting part 2 is rotated so that the through hole 21 is coaxial with the quick filling port 11 and the oil filling port 12 and the blind hole 22 is facing away from the grease nipple filling port 13, a connection mode 1 is formed; when the internal mounting part 2 is rotated so that the through hole 21 is coaxial with the grease nipple filling port 13 and the blind hole 22 is coaxial with the oil filling port 12, a connection mode 2 is formed; when the internal mounting part 2 is rotated so that the through hole 21 is coaxial with the quick filling port 11 and the oil filling port 12 and the blind hole 22 is coaxial with the grease nipple filling port 13, a connection mode 3 is formed.

[0047] Further solutions, such as Figure 1 , Figure 2 , Figure 6 As shown, in the case of connection mode one, the first angle is set to 0 degrees; the internal mounting member 2 is rotated 180 degrees clockwise to form connection mode three; the internal mounting member 2 is rotated 270 degrees clockwise to form connection mode two.

[0048] Further solutions, such as Figure 4 As shown, the connection between the outer axial surface of the internal mounting member 2 and the radial axial surface is rounded to reduce the contact surface with the slot hole 14 of the external mounting member 1 .

[0049] Further solutions, such as Figure 1 , Figure 2 , Figure 3 As shown, the inner circumference of the quick filling port 11 is provided with threads for assembling the quick filling connector 6 through a threaded connection; the inner circumference of the oil filling port 12 is provided with threads for assembling the oil filling pipe connector 5 through a threaded connection; the inner circumference of the grease nipple filling port 13 is provided with threads for assembling the grease nipple 4 through a threaded connection.

[0050] The additional outer cover is further described below.

[0051] like Figure 1 , Figure 2 , Figure 5 As shown, the external mounting part 1 is equipped with an external cover plate 3 whose shape matches the slot hole 14 on the side surface thereof; the external cover plate 3 is provided with a circular hole 31 coaxial with the internal mounting part 2, the inner diameter of the circular hole 31 is smaller than the outer diameter of the internal mounting part 2 which is a cylindrical structure, and the circular hole 31 is used to avoid the knob 23 provided on the internal mounting part 2 on the one hand, and to limit the axial movement of the internal mounting part 2 on the other hand.

[0052] like Figure 4 As shown, in this embodiment, the knob 23 is provided as an L-shaped structure, but in actual design, it is not limited to the L-shaped structure, and can also be a T-shaped structure. As long as it can ensure that after the internal mounting member 2 is embedded in the external mounting member 1, all structures that control the internal mounting member 2 to rotate through the knob 23 fall within the protection scope of the present utility model.

[0053] Continue to refer to Figure 1 , Figure 2 , Figure 5 As shown, a limiting protrusion 32 is installed on the outer side surface of the outer cover plate 3, just below the circular hole 31; when the knob 23 on the internal mounting part 2 is located at one end of the limiting protrusion 32, the quick filling port 11 and the oil filling port 12 are single-way; when the internal mounting part 2 is driven by the knob 23 to rotate 270 degrees so that the knob 23 is located at the other end of the limiting protrusion 32, the grease nipple filling port 13 and the oil filling port 12 are single-way.

[0054] It should be noted that the design of the limit block 32 is to ensure that the internal mounting part can only rotate 270° and to ensure that the entire filling port device corresponds to the left limit state and the right limit state. Figure 1 and Figure 2 state.

[0055] Figure 1 The state shown is that the knob is at the left limit position of the outer cover plate 3, and the quick filling port 11 is connected with the oil filling port 12. At this time, grease can only be injected through the quick filling connector 6. If the knob is rotated 180° clockwise, the quick filling port 11, the oil filling port 12 and the grease filling port 13 can be connected in three ways. Figure 6 The state shown is not described in detail here because this working condition is rarely required.

[0056] Figure 2 The state shown is that the knob is at the right limit position of the outer cover plate 3, the quick filling port 11 is connected with the grease nipple filling port 13, and grease can only be injected through the grease nipple 4.

[0057] Further solutions, such as Figure 3 , Figure 5 As shown, a plurality of mounting holes 33 are provided around the outer cover plate 3, and threaded holes 15 corresponding to the mounting holes 33 are provided on the external mounting member 1, and the outer cover plate 3 is assembled on the external mounting member 1 by bolts.

[0058] In the actual assembly and use process, firstly, the internal mounting part 2 is embedded in the external mounting part 1, and then the external cover plate 3 is fixed to the external mounting part 1 by bolts and gaskets. The top of the filling port device is provided with an oil filling port 12, equipped with an oil filling pipe joint 5, the side of the filling port device is provided with a grease nipple filling port 13, equipped with a grease nipple 4, and the bottom of the filling port device is provided with a quick filling port 11, equipped with a quick filling joint 6. Rotate the knob 23 to the left side of the limit protrusion 32 (i.e. Figure 1 Position), the quick filling port 11 is connected to the oil filling port 12, and grease is injected through the quick filling connector 6; turn the knob clockwise 270° to the right side of the limit protrusion 32 (i.e. Figure 2 Position), the quick filling port 11 is connected to the grease nipple filling port 13, and grease is injected through the grease nipple 4.

[0059] In summary, the filling port device of the utility model increases the filling method. After using the filling port device, by adjusting the knob, you can choose to use a grease nipple for filling or a quick connector for filling. Switching the filling method does not require modifying the parts of the equipment.

[0060] The utility model also provides an engineering machine equipped with the above-mentioned centralized lubrication filling port device.

[0061] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0062] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0063] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A centralized lubrication filling port device, characterized in that: include: An external mounting part having a quick filling port, an oil filling port, a grease nipple filling port and a slotted hole; The internal mounting member is installed in the slot and can rotate in the slot, and the following three connection modes are realized by rotating the internal mounting member: Connection mode 1: When the internal mounting part is rotated to the first angle, the quick filling port and the oil filling port are single-pass; Connection mode 2: When the internal mounting part is rotated to the second angle, the grease nipple filling port and the oil filling port are connected in a single way; Connectivity mode three: When the internal mounting part is rotated to the third angle, the quick filling port, the oil filling port, and the grease nipple filling port are all connected.

2. A centralized lubrication filling port device according to claim 1, characterized in that: The external mounting part is a square structure as a whole, and the slot hole extends backward from the front surface of the external mounting part without penetrating the back surface of the external mounting part; the quick filling port extends upward from the bottom surface of the external mounting part to the slot hole; the oil filling port extends downward from the top surface of the external mounting part to the slot hole; the grease nipple filling port extends rightward from the left side of the external mounting part to the slot hole; the quick filling port, the oil filling port, and the grease nipple filling port are connected together through the slot hole, and the quick filling port and the oil filling port are located on the same central axis.

3. A centralized lubrication filling port device according to claim 2, characterized in that: The internal mounting part is a cylindrical body as a whole, and its outer diameter is the same as the inner diameter of the slot hole of the external mounting part; The internal mounting member is provided with a radial through hole and a radial blind hole, the through hole is connected to the blind hole, the through hole and the blind hole have the same inner diameter, and the central axis of the through hole is perpendicular to the central axis of the blind hole; When the internal mounting part is rotated so that the through hole is coaxial with the quick filling port and the oil filling port and the blind hole faces away from the grease nipple filling port, a connection mode 1 is formed; When the internal mounting part is rotated so that the through hole is coaxial with the grease nipple filling port and the blind hole is coaxial with the oil filling port, a second connection mode is formed; When the internal mounting part is rotated so that the through hole is coaxial with the quick filling port and the oil filling port and the blind hole is coaxial with the grease nipple filling port, connection mode three is formed.

4. A centralized lubrication filling port device according to claim 3, characterized in that: In the case of connection mode one, the first angle is set to 0 degrees; the internal mounting part is rotated 180 degrees clockwise to form connection mode three; the internal mounting part is rotated 270 degrees clockwise to form connection mode two.

5. A centralized lubrication filling port device according to claim 3, characterized in that: The connection between the outer axial surface of the inner mounting member and the radial axial surface is rounded to reduce the contact surface with the slot hole of the outer mounting member.

6. A centralized lubrication filling port device according to claim 1, characterized in that: The inner circumference of the quick filling port is provided with threads for assembling the quick filling connector by threaded connection; The inner circumference of the oil filling port is provided with threads for assembling the oil filling pipe joint by threaded connection; The inner circumferential surface of the grease nipple filling port is provided with threads for assembling the grease nipple through a threaded connection.

7. A centralized lubrication filling port device according to claim 1, characterized in that: The external mounting member is provided with an outer cover plate having a shape matching the slotted hole on the side surface thereof; The outer cover plate is provided with a circular hole coaxial with the internal mounting part, the inner diameter of the circular hole is smaller than the outer diameter of the internal mounting part with a cylindrical structure, and the circular hole is used to avoid the knob provided on the internal mounting part on one hand, and to limit the axial movement of the internal mounting part on the other hand.

8. A centralized lubrication filling port device according to claim 7, characterized in that: A limiting protrusion is installed on the outer side surface of the outer cover plate near the circular hole; when the knob on the internal mounting part is located at one end of the limiting protrusion, the quick filling port and the oil filling port are single-way; when the internal mounting part is rotated 270 degrees by the knob so that the knob is located at the other end of the limiting protrusion, the grease nipple filling port and the oil filling port are single-way.

9. A centralized lubrication filling port device according to claim 7, characterized in that: The outer cover plate is provided with a plurality of mounting holes around it, and the external mounting member is provided with threaded holes corresponding to the mounting holes one by one, and the outer cover plate is assembled on the external mounting member by bolts.

10. An engineering machine, characterized in that: A centralized lubrication filling port device according to any one of claims 1 to 9 is installed.

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