Metering pump lubricating device

Abstract

The utility model discloses a metering pump lubricating device, which belongs to the technical field of gear metering pumps, aims to solve the problem that a gear is inconvenient to lubricate quickly, and comprises a top cover and a bottom frame, a protective part is fixed at the bottom of the top cover, limiting blocks are fixed at two ends of the protective part, and rotating grooves are formed in two sides of the top end of the bottom frame. Limiting grooves are formed in the two sides of the rotating groove, a protective sleeve is fixed to the center of the top end of the bottom frame, an oil inlet mechanism is arranged on the inner wall of the protective sleeve and comprises a movable groove, the movable groove is formed in the inner wall of the protective sleeve, and a rubber sealing block is slidably installed in the movable groove; according to the lubricating device for the metering pump, the oil inlet mechanism, the movable groove, the rubber sealing block, the reset spring, the pull rod, the oil inlet groove, the oil inlet pipe and the oil inlet work in a matched mode, so that a gear in the metering pump can be rapidly lubricated, a protective shell outside the gear does not need to be disassembled, the lubricating effect is improved, and the working efficiency cannot be affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear metering pumps, and in particular relates to a metering pump lubrication device. Background Art

[0002] Metering pumps are a type of fluid conveying machinery, and their outstanding feature is that they can maintain a constant flow rate regardless of the discharge pressure. Metering pumps can simultaneously complete the functions of conveying, metering and regulating, thereby simplifying the production process. Using multiple metering pumps, several media can be input into the process flow in accurate proportions for mixing. Due to their own outstanding features, metering pumps have now been widely used in various industrial fields such as petrochemicals, pharmaceuticals, and food.

[0003] Gear metering pump is a kind of gear pump. Only specific gear pumps can be called gear metering pumps. At the same time, gear metering pumps are also a kind of metering pumps. However, the existing gear metering pumps need to lubricate the internal gears when working for a long time. Most of the existing lubrication is to disassemble the protective parts outside the gears and pour the lubricating oil into the gear surface. This lubrication efficiency is low and it is easy to affect work efficiency.

[0004] Therefore, a metering pump lubrication device is needed to solve the problem of inconvenience in quickly lubricating gears in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a metering pump lubrication device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metering pump lubrication device, comprising a top cover and a base frame, a protective member is fixed to the bottom of the top cover, limiting blocks are fixed to both ends of the protective member, rotation grooves are provided on both sides of the top of the base frame, limiting grooves are provided on both sides of the rotation groove, a protective sleeve is fixed at the center of the top of the base frame, and an oil inlet mechanism is provided on the inner wall of the protective sleeve.

[0007] The oil inlet mechanism enables the lubricating oil inside the oil inlet pipe to be pumped into the movable groove, and then the return spring enables the lubricating oil to be pushed to the inner wall of the oil inlet groove, and then the lubricating oil enters the inner wall of the rotating groove, thereby achieving lubrication of the two internal gears at the same time.

[0008] It should be noted in the scheme that the oil inlet mechanism includes a movable groove, which is opened on the inner wall of the protective sleeve. A rubber sealing block is slidably installed in the movable groove, a pull rod is fixed at one end of the rubber sealing block, and a reset spring is arranged on the outer wall of the pull rod.

[0009] By pulling the pulling rod, the rubber sealing block can be driven to slide, so that the lubricating oil inside the oil inlet pipe can be pumped to the inner wall of the movable groove, and then the reset spring can be used to drive the rubber sealing block to reset, so that the gear inside the rotating groove can be lubricated.

[0010] It is further worth noting that one end of the return spring is fixed to the inner wall of the movable groove, and the other end of the return spring is fixed to one end of the rubber sealing block.

[0011] It should be further explained that an oil inlet groove is provided on one side of the base frame close to the protective sleeve, and the oil inlet groove is connected to the inner wall of the movable groove.

[0012] The protective piece enables the rotating groove to be better sealed, thereby better protecting the gears, and the top cover and the bottom frame can be quickly disassembled through the cooperation between the bolts and the threaded grooves.

[0013] As a preferred implementation, an oil inlet pipe is fixed to the outer wall of the protective sleeve, and the oil inlet pipe is connected to the inner wall of the movable groove.

[0014] As a preferred embodiment, a protective member is provided at the bottom of the top cover, an oil inlet is opened at one end of the protective member, the protective member is fitted with the inner wall of the rotating groove, and the oil inlet is communicated with the oil inlet groove.

[0015] As a preferred embodiment, the surfaces of the top cover and the bottom frame are provided with thread grooves in a rectangular distribution, and the inner walls of the thread grooves are threadedly connected with bolts.

[0016] By quickly rotating the bolts, the top cover and the bottom frame can be quickly disassembled.

[0017] Compared with the prior art, the metering pump lubrication device provided by the utility model has at least the following beneficial effects:

[0018] (1) Through the cooperation of the oil inlet mechanism, the movable groove, the rubber sealing block, the return spring, the pulling rod, the oil inlet groove, the oil inlet pipe, and the oil inlet port, the gears inside the metering pump can be quickly lubricated without disassembling the protective shell outside the gears, thereby improving the lubrication effect without affecting the work efficiency.

[0019] (2) The gears can be protected by the cooperation between the protective member, the limit block and the limit groove, and the top cover and the bottom frame can be quickly installed by the cooperation between the limit block and the limit groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front perspective view of the utility model;

[0021] Figure 2 It is the internal structure diagram of the utility model;

[0022] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0023] Figure 4 It is a bottom view of the top cover of the utility model.

[0024] In the figure: 1. Top cover; 2. Base frame; 3. Rotating groove; 4. Limiting groove; 5. Protective cover; 6. Oil inlet mechanism; 61. Movable groove; 62. Rubber sealing block; 63. Reset spring; 64. Pull rod; 7. Oil inlet groove; 8. Oil inlet pipe; 9. Protective part; 10. Limiting block; 11. Oil inlet port; 12. Threaded groove; 13. Bolt. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the embodiments.

[0026] See also Figure 1-4 The utility model provides a metering pump lubrication device, including a top cover 1 and a bottom frame 2. A protective member 9 is fixed to the bottom of the top cover 1, and limiting blocks 10 are fixed to both ends of the protective member 9. Rotation grooves 3 are provided on both sides of the top of the bottom frame 2, and limiting grooves 4 are provided on both sides of the rotation groove 3. A protective sleeve 5 is fixed at the center of the top of the bottom frame 2, and an oil inlet mechanism 6 is provided on the inner wall of the protective sleeve 5.

[0027] Through the oil inlet mechanism 6, the lubricating oil inside the oil inlet pipe 8 can be pumped into the movable groove 61, and then through the action of the return spring 63, the lubricating oil can be pushed to the inner wall of the oil inlet groove 7, and then the lubricating oil enters the inner wall of the rotating groove 3, thereby achieving lubrication of the two internal gears at the same time.

[0028] Further as Figure 1 , Figure 3 As shown, it is worth explaining in detail that the oil inlet mechanism 6 includes a movable groove 61, which is opened on the inner wall of the protective sleeve 5, and a rubber sealing block 62 is slidably installed in the movable groove 61. A pull rod 64 is fixed at one end of the rubber sealing block 62, and a return spring 63 is arranged on the outer wall of the pull rod 64.

[0029] By pulling the pulling rod 64, the rubber sealing block 62 can be driven to slide, so that the lubricating oil inside the oil inlet pipe 8 can be pumped to the inner wall of the movable groove 61, and then the reset spring 63 can drive the rubber sealing block 62 to reset, so that the gears inside the rotating groove can be lubricated.

[0030] Further Figure 3 As shown, it is worth to explain in detail that one end of the return spring 63 is fixed to the inner wall of the movable groove 61 , and the other end of the return spring 63 is fixed to one end of the rubber sealing block 62 .

[0031] This solution has the following working process: when the gears inside the rotating groove need to be lubricated, by pulling the pulling rod 64, it is further possible to drive the rubber sealing block 62 to be subjected to force, thereby enabling the lubricating oil inside the oil inlet pipe 8 to be transported to the inside of the movable groove 61, and at the same time, the hand is released from the force, and then it can be reset by the reset spring 63, thereby enabling the rubber sealing block 62 to be reset, further enabling the lubricating oil to be pushed into the oil inlet groove 7, and further enabling the gears inside the rotating groove 3 to be lubricated, thereby improving the lubrication effect of the gears.

[0032] According to the above working process, it can be known that the protective member 9 can better seal the rotating groove 3, thereby better protecting the gear, and the cooperation between the bolt 13 and the threaded groove 12 can realize the quick disassembly of the top cover 1 and the base frame 2.

[0033] Further Figure 1 , Figure 2 , Figure 3 As shown, it is worth to explain in detail that an oil inlet groove 7 is opened on one side of the bottom frame 2 close to the protective cover 5 , and the oil inlet groove 7 is connected with the inner wall of the movable groove 61 .

[0034] The oil inlet groove 7 can mainly deliver the lubricating oil to the interior of the rotating groove 3 , thereby better lubricating the gears on the inner wall of the rotating groove 3 .

[0035] Further Figure 2 , Figure 3 As shown, it is worth to explain in detail that an oil inlet pipe 8 is fixed to the outer wall of the protective sleeve 5 , and the oil inlet pipe 8 is connected with the inner wall of the movable groove 61 .

[0036] Further Figure 2 , Figure 4 As shown, it is worth explaining in detail that a protective member 9 is provided at the bottom of the top cover 1 , an oil inlet 11 is opened at one end of the protective member 9 , the protective member 9 is fitted with the inner wall of the rotating groove 3 , and the oil inlet 11 is connected to the oil inlet groove 7 .

[0037] Further Figure 1 , Figure 2 ,and Figure 4 As shown, it is worth to explain in detail that the surfaces of the top cover 1 and the bottom frame 2 are provided with thread grooves 12 in a rectangular distribution, and the inner wall of the thread groove 12 is threadedly connected with bolts 13.

[0038] By quickly rotating the bolt 13 , the top cover 1 and the bottom frame 2 can be quickly disassembled.

[0039] In summary: the oil inlet mechanism 6 can draw the lubricating oil inside the oil inlet pipe 8 into the inside of the movable groove 61, and then the return spring 63 can push the lubricating oil to the inner wall of the oil inlet groove 7, and then the lubricating oil enters the inner wall of the rotating groove 3, thereby achieving lubrication of the two internal gears at the same time, and the protective member 9 can better seal the rotating groove 3, thereby achieving better protection of the gears, and through the cooperation between the bolts 13 and the threaded groove 12, the top cover 1 and the base frame 2 can be quickly disassembled.

Claims

1. A metering pump lubrication device, comprising a top cover (1) and a bottom frame (2), characterized in that: A protective member (9) is fixed at the bottom of the top cover (1), and limit blocks (10) are fixed at both ends of the protective member (9). Rotation grooves (3) are provided on both sides of the top of the base frame (2), and limit grooves (4) are provided on both sides of the rotation groove (3). A protective sleeve (5) is fixed at the center of the top of the base frame (2), and an oil inlet mechanism (6) is provided on the inner wall of the protective sleeve (5).

2. A metering pump lubrication device according to claim 1, characterized in that: The oil inlet mechanism (6) comprises a movable groove (61), the movable groove (61) is formed on the inner wall of the protective sleeve (5), a rubber sealing block (62) is slidably mounted on the movable groove (61), a pulling rod (64) is fixed to one end of the rubber sealing block (62), and a return spring (63) is arranged on the outer wall of the pulling rod (64).

3. A metering pump lubrication device according to claim 2, characterized in that: One end of the return spring (63) is fixed to the inner wall of the movable groove (61), and the other end of the return spring (63) is fixed to one end of the rubber sealing block (62).

4. A metering pump lubrication device according to claim 1, characterized in that: An oil inlet groove (7) is provided on one side of the base frame (2) close to the protective sleeve (5), and the oil inlet groove (7) is connected to the inner wall of the movable groove (61).

5. A metering pump lubrication device according to claim 1, characterized in that: An oil inlet pipe (8) is fixed to the outer wall of the protective sleeve (5), and the oil inlet pipe (8) is connected to the inner wall of the movable groove (61).

6. A metering pump lubrication device according to claim 1, characterized in that: A protective member (9) is provided at the bottom of the top cover (1), an oil inlet (11) is provided at one end of the protective member (9), the protective member (9) is in contact with the inner wall of the rotating groove (3), and the oil inlet (11) is connected to the oil inlet groove (7).

7. A metering pump lubrication device according to claim 1, characterized in that: The surfaces of the top cover (1) and the bottom frame (2) are provided with thread grooves (12) in a rectangular distribution, and the inner walls of the thread grooves (12) are threadedly connected with bolts (13).

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