Assembly type lubricating oil pump

The design of the limiting clamp and sealing ring simplifies the installation process of the lubricating oil pump, improves the connection's firmness and sealing performance, and solves the problems of complex and time-consuming installation in the existing technology.

CN223924491UActive Publication Date: 2026-02-17郑州长通机电设备有限公司
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Patent Information

Application Number
CN202520941855.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-02-17
Estimated Expiration
2035-05-14

AI Technical Summary

Technical Problem

The installation process of existing lubricating oil pumps is complex, requires professional skills and is time-consuming, which affects the connection quality.

Method used

The design incorporates a limiting clamp and a sealing assembly. The installation tube is held in place by the elastic reset of the limiting clamp, and the sealing ring is used to improve the sealing and stability of the connection.

Benefits of technology

It simplifies the installation process, improves the strength and sealing of the connection, and reduces the reliance on professional skills and installation time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lubricating oil pumps, and discloses an assembly type lubricating oil pump which comprises a pump body, connecting pipes are arranged at a feeding port and a discharging port of the pump body, the left ends of the connecting pipes are in threaded connection with mounting pipes, the outer walls of the connecting pipes are fixedly connected with connecting shells, and limiting grooves are formed in the outer walls of the mounting pipes. The inner wall of the connecting shell is connected with the inner wall of the limiting groove through a limiting assembly so that the mounting pipe and the outer wall of the connecting pipe can be connected to improve stability, the left end of the connecting pipe is fixedly connected with a connecting insertion block, and the outer wall and the inner wall of the connecting insertion block are connected with the right end of the mounting pipe through sealing assemblies. According to the utility model, the six limiting clamping blocks are separated by pushing the adjusting push block; the installation pipe is screwed into the connecting pipe, the connecting shell is arranged on the installation pipe in a sleeving mode, after the installation pipe is screwed into the connecting pipe, the limiting push ring is loosened, the limiting clamping block rotates in a reset mode through the elasticity of the limiting clamping block to clamp and fix the installation pipe, and connection is firmer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil pump technical field especially relates to a kind of assembled lubricating oil pump. BACKGROUND

[0002] The assembled lubricating oil pump is a kind of equipment with unique design and advantage, mainly used in the lubricating system of various mechanical equipment to transport lubricating oil. It usually adopts modular design, which is composed of multiple assemblable components, such as pump body, gear, shaft, bearing, front cover, rear cover, sealing component and coupling. This structural design makes the assembly and disassembly of the pump more convenient, facilitating installation, maintenance and repair, which can effectively reduce maintenance cost and time cost. Its working principle is that the rotation of the motor-driven shaft drives the gear to rotate in the pump body, and the teeth continuously enter and exit the meshing, thereby forming low pressure in the suction chamber to suck in lubricating oil, and forming high pressure in the discharge chamber to discharge lubricating oil, realizing continuous oil conveying process. The assembled lubricating oil pump has high reliability and stability, can adapt to different working environments and working conditions, and can be widely used in various mechanical equipment in industrial production, such as machine tools, metallurgical equipment, chemical machinery, automobile manufacturing and other fields, to provide reliable lubrication protection for the normal operation of the equipment.

[0003] The existing lubricating oil pump is quite troublesome to install. The installer needs to carefully wrap waterproof tape at the inlet and outlet water ports of the lubricating oil pump to ensure the sealing of the connection. Then, hot melt adhesive is used to complete the connection, which requires professional hot melt tools and precise temperature and time control during operation, otherwise it is easy to cause excessive or insufficient hot melting, which will adversely affect the connection quality. The entire installation process not only consumes a lot of time, but also requires high professional technical level of the installer. To solve this technical problem, the present application proposes an assembled lubricating oil pump. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides an assembled lubricating oil pump. By pushing the adjusting push block, the six limiting clamping blocks are separated. The installation pipe is screwed into the connecting pipe connection shell on the installation pipe. After the installation pipe is screwed into the connecting pipe, the limiting push ring is loosened, and the limiting clamping block is reset and rotated by its own elasticity to clamp and fix the installation pipe, making the connection more secure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model provides an assembled lubricating oil pump, including the pump body, the feed inlet and the delivery port of pump body are provided with the connecting pipe, the left end of connecting pipe is screwed the installation pipe, the outer wall of connecting pipe is fixedly connected with the connecting shell, the outer wall of installation pipe is equipped with the limiting slot, the inner wall of connecting shell is connected with the inner wall of limiting slot through the limiting component, so as to connect the outer wall of installation pipe and connecting pipe and increase stability, the left end of connecting pipe is fixedly connected with the connecting plug, the outer wall and the inner wall of connecting plug are connected with the right end of installation pipe through the sealing component, so as to increase the sealing between connecting pipe and installation pipe.

[0007] Further, the limiting component includes six limiting clamping blocks fixedly connected to the inner wall of the connecting shell, and a limiting push ring slidably connected to the inner wall of the connecting shell, the right side of the limiting push ring abuts against the right end of one side of the six limiting clamping blocks, and the left end of the other side of the six limiting clamping blocks abuts against the inner wall of the limiting slot.

[0008] Further, the outer wall of the connecting pipe is slidably connected with an adjusting push block, and the left end of the adjusting push block is fixedly connected with the right end of the limiting push ring.

[0009] Further, the left end of one side of the six limiting clamping blocks is provided with an anti-skid stripe, and the limiting clamping blocks are prepared from thermoplastic polyurethane as raw material.

[0010] Further, the sealing component includes a first connecting ring fixedly connected to the right end of the installation pipe, and a second connecting ring fixedly connected to the right end of the installation pipe, the inner wall of the first connecting ring abuts against the outer wall of the connecting plug, and the outer wall of the second connecting ring abuts against the inner wall of the connecting plug.

[0011] Further, the inner wall of the first connecting ring is fixedly connected with five first sealing rings, and the outer wall of the second connecting ring is fixedly connected with five second sealing rings, the outer wall of the second sealing ring abuts against the inner wall of the connecting plug, and the outer wall of the first sealing ring abuts against the outer wall of the connecting plug.

[0012] Further, the second connecting ring, the connecting plug and the first sealing ring are prepared from nitrile rubber as raw material.

[0013] Further, the second sealing ring and the first sealing ring are prepared from acrylate rubber as raw material.

[0014] The utility model has the following beneficial effects:

[0015] 1、in the utility model, six limiting clamping blocks are separated by pushing the adjusting push block, the installation pipe is screwed into the connecting pipe, the connecting shell is sleeved on the installation pipe, the limiting push ring is loosened after the installation pipe is screwed into the connecting pipe, the limiting clamping block resets and rotates by relying on the elasticity to clamp and fix the installation pipe, so that the connection is more firm.

[0016] 2、The utility model discloses, through the connection plug block is inserted the gap of first connecting ring and second connecting ring, and second connecting ring and first sealing ring are inserted the inside and outside wall in connection plug block, after the insertion gap of connection plug block, will occupy certain space, make the liquid originally relatively unobstructed outflow path become narrow, increased liquid flow resistance. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional view of an assembled lubricating oil pump is provided for the utility model;

[0018] Figure 2 A limiting push ring schematic view of an assembled lubricating oil pump is provided for the utility model;

[0019] Figure 3 A limiting clamp block schematic view of an assembled lubricating oil pump is provided for the utility model;

[0020] Figure 4 A second connecting ring schematic view of an assembled lubricating oil pump is provided for the utility model;

[0021] Figure 5 A second sealing ring schematic view of an assembled lubricating oil pump is provided for the utility model.

[0022] Legend:

[0023] 1, pump body;2, connecting pipe;3, mounting pipe;4, connecting shell;5, adjusting push block;6, limiting push ring;7, limiting clamp block;8, first connecting ring;9, second connecting ring;10, first sealing ring;11, second sealing ring;12, connection plug block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Refer to Figures 1-3The utility model provides an embodiment: an assembly type lubricating oil pump, including pump body 1, the feed inlet and the discharge port of pump body 1 are provided with connecting pipe 2, the left end of connecting pipe 2 is threadedly connected with the installation pipe 3, the outer wall of connecting pipe 2 is fixedly connected with connecting shell 4, the outer wall of installation pipe 3 is provided with limit groove, the six limit clamping blocks 7 of connecting shell 4 inner wall, the inner wall of connecting shell 4 is slidably connected with limit push ring 6, the right side of limit push ring 6 is close to the right end of the side of six limit clamping blocks 7 and abuts, limit push ring 6 slidingly drives six limit clamping blocks 7 to make its six limit clamping blocks 7 separate;The left end of the side of six limit clamping blocks 7 is close to the inner wall of limit groove and abuts, and limit clamping block 7 is reset by its own elasticity and rotates to clamp and fix installation pipe 3;The outer wall of connecting pipe 2 is slidably connected with adjusting push block 5, the left end of adjusting push block 5 is fixedly connected with the right end of limit push ring 6, and limit push ring 6 slides by pushing adjusting push block 5;The left end of the side of six limit clamping blocks 7 is provided with anti-skid stripe, and the friction is increased;Limit clamping block 7 is prepared by using thermoplastic polyurethane as raw material, so that limit clamping block 7 is reset by its own elasticity;

[0026] Referring to Figure 1 、 Figure 4 and Figure 5 The left end of connecting pipe 2 is fixedly connected with connecting plug 12, the right end of installation pipe 3 is fixedly connected with first connecting ring 8, the right end of installation pipe 3 is fixedly connected with second connecting ring 9, the inner wall of first connecting ring 8 abuts with the outer wall of connecting plug 12, the outer wall of second connecting ring 9 abuts with the inner wall of connecting plug 12, connecting plug 12 is inserted into the gap between first connecting ring 8 and second connecting ring 9, after connecting plug 12 is inserted into the gap, a certain space is occupied, so that the originally relatively unobstructed liquid outflow path becomes narrow, and the liquid flow resistance is increased;The inner wall of first connecting ring 8 is fixedly connected with five first sealing rings 10, the outer wall of second connecting ring 9 is fixedly connected with five second sealing rings 11, the outer wall of second sealing ring 11 abuts with the inner wall of connecting plug 12, the outer wall of first sealing ring 10 abuts with the outer wall of connecting plug 12, second sealing ring 11 and first sealing ring 10 are closely attached to the inner and outer walls of connecting plug 12, further reducing the gap size through which liquid can pass;Second connecting ring 9, connecting plug 12 and first sealing ring 10 are prepared by using nitrile rubber as raw material, which is wear-resistant and low in cost;Second sealing ring 11 and first sealing ring 10 are prepared by using acrylic rubber as raw material, which is resistant to high-temperature oil and ozone aging.

[0027] Working principle: when connecting connecting pipe 2 and installation pipe 3, limit push ring 6 slides by pushing adjusting push block 5, and six limit clamping blocks 7 are separated by limit push ring 6 slidingly driving six limit clamping blocks 7;When installation pipe 3 is screwed into connecting pipe 2, connecting shell 4 is sleeved on installation pipe 3, and limit push ring 6 is loosened after installation pipe 3 is screwed into connecting pipe 2, limit clamping block 7 is reset by its own elasticity and rotates to clamp and fix installation pipe 3.

[0028] In the connecting process, the first connecting ring 8 and the second connecting ring 9 are inserted into the gap of the connecting plug 12, the second connecting ring 9 and the first sealing ring 10 are inserted into the inner and outer walls of the connecting plug 12, after the connecting plug 12 is inserted into the gap, it will occupy a certain space, so that the originally relatively unobstructed liquid outflow path becomes narrow, increasing the resistance of liquid flow. At the same time, the second sealing ring 11 and the first sealing ring 10 are closely attached to the inner and outer walls of the connecting plug 12, further reducing the size of the gap through which the liquid may pass, and the material properties of the first connecting ring 8 and the second connecting ring 9 can effectively hinder the penetration of the liquid, greatly improving the resistance of the liquid flowing out from these gaps.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or to make equivalent replacement for some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An assembled lubricating oil pump characterized by comprising: The utility model relates to a pump body (1) is provided with the connecting pipe (2) in the feed inlet and the discharge outlet, the connecting pipe (2) left end is connected with the installation pipe (3) through thread, the connecting pipe (2) outer wall is fixedly connected with the connecting shell (4), the installation pipe (3) outer wall is equipped with the limiting slot, the connecting shell (4) inner wall is connected with the limiting slot inner wall through the limiting component, so as to increase the stability of the installation pipe (3) and the connecting pipe (2) outer wall, the connecting pipe (2) left end is fixedly connected with the connecting plug block (12), the connecting plug block (12) outer wall and inner wall are connected with the installation pipe (3) right end through the sealing component, so as to increase the sealing property between the connecting pipe (2) and the installation pipe (3).

2. An assembled lubricating oil pump according to claim 1, characterized in that: The limiting component includes six limiting clamping blocks (7) fixedly connected to the inner wall of the connecting shell (4), and a limiting push ring (6) is slidably connected to the inner wall of the connecting shell (4), the limiting push ring (6) right side is abutted with the right end of one side of the six limiting clamping blocks (7), and the left end of one side of the six limiting clamping blocks (7) is abutted with the inner wall of the limiting slot.

3. An assembled lubricating oil pump according to claim 2, characterized in that: The connecting pipe (2) outer wall is slidably connected with an adjusting push block (5), and the adjusting push block (5) left end is fixedly connected with the limiting push ring (6) right end.

4. The assembled lubricating oil pump according to claim 2, characterized in that: The left end of one side of the six limiting clamping blocks (7) is provided with anti-skid stripes, and the limiting clamping blocks (7) are prepared from thermoplastic polyurethane as raw material.

5. The assembled lubricating oil pump of claim 1, wherein: The sealing component includes a first connecting ring (8) fixedly connected to the right end of the installation pipe (3), a second connecting ring (9) fixedly connected to the right end of the installation pipe (3), the first connecting ring (8) inner wall is abutted with the connecting plug block (12) outer wall, and the second connecting ring (9) outer wall is abutted with the connecting plug block (12) inner wall.

6. An assembled lubricating oil pump according to claim 5, characterized in that: The first connecting ring (8) inner wall is fixedly connected with five first sealing rings (10), the second connecting ring (9) outer wall is fixedly connected with five second sealing rings (11), the second sealing ring (11) outer wall is abutted with the connecting plug block (12) inner wall, and the first sealing ring (10) outer wall is abutted with the connecting plug block (12) outer wall.

7. An assembled lubricating oil pump according to claim 6, characterized in that: The second connecting ring (9), the connecting plug block (12) and the first sealing ring (10) are prepared from nitrile rubber as raw material.

8. The assembled lubricating oil pump according to claim 6, characterized in that: The second sealing ring (11) and the first sealing ring (10) are prepared from acrylic ester rubber as raw material.