Oiling device for refrigerator hinge shaft
By replacing the electric push rod with a manually operated wheel and piston plate structure, and combining the design of the insert plate and ferrule, the problem of the existing oiling device being unable to accurately control the speed and amount of grease discharge is solved, thus realizing a convenient and efficient oiling operation.
Patent Information
- Application Number
- CN202520908224.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-05-09
AI Technical Summary
Existing grease application devices for refrigerator hinge shafts rely on electric push rods, which makes it difficult to precisely control the speed and amount of grease application and requires an electrical system, increasing cost and complexity.
The device employs a manually driven push wheel and piston plate structure, which, through the cooperation of a damping bearing and a cover, allows for manual control of the grease output speed and quantity. The detachable connection of the insert plate and ferrule ensures the convenience and fixed position of the device.
It achieves precise control over the speed and amount of oil output, reduces the complexity and cost of the device, and improves the ease and versatility of operation.
Smart Images

Figure CN223895653U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hinge oiling technical field especially relates to a kind of oiling device for refrigerator hinge shaft. BACKGROUND
[0002] The oiling device for refrigerator hinge shaft is designed to provide lubrication for the rotating part of the refrigerator door hinge, and its main purpose is to reduce the wear of the hinge during use, ensure smooth opening and closing of the refrigerator door, and prolong the service life of the hinge.
[0003] Chinese patent publication number CN218360468U, published on 20230124, discloses an oiling device for refrigerator hinge shaft, comprising a grease storage cylinder, a storage cylinder handle is arranged on one side of the grease storage cylinder, an electric push rod is arranged on the top of the grease storage cylinder, an oil grease stamping piston is connected to one end of the electric push rod, the oil grease stamping piston is driven downward by the electric push rod, an oil grease output pipeline is arranged on the side of the grease storage cylinder away from the storage cylinder handle, and an oil grease discharge pipeline is arranged at the end of the oil grease output pipeline away from the storage cylinder handle.
[0004] The existing oiling device for refrigerator hinge shaft, such as the above, drives the oil grease stamping piston downward by the electric push rod to press the oil in the grease storage cylinder, so that the oil is sprayed out of the port of the oil discharge pipeline. In the specific implementation process, the electric push rod as a pushing piece is not easy to control the speed and amount of oil discharge, and needs to be accompanied by a power system to provide power source for the electric push rod, which affects the cost and universality of the oiling device, so it is urgent to propose a corresponding oiling device for refrigerator hinge shaft to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to solve the above problems and proposes an oiling device for refrigerator hinge shaft.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme:
[0007] An oiling device for refrigerator hinge shaft, comprising a storage cylinder and a cover fixedly connected, a handle is fixedly connected to the outer wall of the storage cylinder, a push rod and a driving part for driving the push rod are integrated on the outer side of the cover, a piston plate slidingly connected to the inner wall of the storage cylinder is rotatably connected to the bottom of the push rod, and an oil outlet pipe is fixedly connected to the inner wall of the cover.
[0008] Preferably, the plug-in board is fixedly connected to the outer wall of the cover, the plug-in board is sleeved with a sleeve fixedly connected to the outer wall of the arc-shaped end of the storage cylinder, and the outer wall of the plug-in board is detachably connected with the sleeve.
[0009] Preferably, the outer wall of the sleeve is inserted with a locking rod, and the outer wall of the locking rod is connected with the outer wall of the plug plate through screw holes.
[0010] Preferably, the oil outlet pipe is in an L-shaped structure, and the inner wall of the piston plate is connected with the vertical end of the outer wall of the oil outlet pipe.
[0011] Preferably, the driving part comprises a pushing wheel connected with the top of the cover through a damping bearing, and the inner wall of the pushing wheel is connected with the outer wall of the pushing rod through screwing.
[0012] Preferably, the outer wall of the arc-shaped end of the pushing wheel is fixedly connected with a plurality of groups of tabs, and the plurality of groups of tabs are arranged in a ring shape.
[0013] As described above, the application has the following beneficial effects:
[0014] 1. In the application, the grease is filled into the storage cylinder, and the cover is fixed with the storage cylinder. An operator holds the handle with one hand, and pushes the pushing wheel with the other hand. The pushing wheel is connected with the top of the cover through a damping bearing, and at the same time, the inner wall of the pushing wheel is connected with the pushing rod through screwing to provide a pushing force for the pushing rod. The pushing rod pushes the piston plate, and the piston plate slides along the vertical end of the outer wall of the oil outlet pipe. The grease in the storage cylinder is guided out of the oil outlet pipe under the action of the pressure difference. The manual driving of the piston plate replaces the traditional electric push rod, improves the versatility of the oiling device, and based on human mechanics, the operator cannot push the pushing wheel greatly at a time. The pushing wheel can be conveniently controlled to control the oiling speed and the oiling amount of the grease.
[0015] 2. In the application, the plug plate is inserted into the sleeve, and the plug plate and the sleeve are fixed through the locking rod. In this way, the relative position between the cover and the storage cylinder is quickly limited through the cooperation of the plug plate and the sleeve, so that the convenience of the oiling device for the refrigerator hinge shaft is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 An overall structure schematic diagram is shown according to an embodiment of the application.
[0017] Figure 2 An oil outlet pipe structure schematic diagram is shown according to an embodiment of the application.
[0018] Figure 3 A pushing wheel structure schematic diagram is shown according to an embodiment of the application.
[0019] Figure 4 A plug plate structure schematic diagram is shown according to an embodiment of the application.
[0020] Legend:
[0021] 1, storage cylinder; 2, cover; 3, plug-in plate; 4, locking rod; 5, sleeve; 6, oil outlet pipe; 7, push wheel; 8, tab; 9, push rod; 10, piston plate; 11, damping bearing; 12, handle. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Please refer to Figures 1-4 The present application provides a technical solution:
[0024] An oiling device for refrigerator hinge shaft, comprising a fixedly connected storage cylinder 1 and cover 2, the outer wall of the storage cylinder 1 is fixedly connected with a handle 12, the outer side of the cover 2 is integrated with a push rod 9 and a driving part for driving the push rod 9, the bottom of the push rod 9 is rotatably connected with a piston plate 10 which is slidingly connected with the inner wall of the storage cylinder 1, the inner wall of the cover 2 is fixedly connected with an oil outlet pipe 6;
[0025] Fill the grease into the storage cylinder 1, and fix the cover 2 with the storage cylinder 1, the operator holds the handle 12 with one hand, and pushes the push wheel 7 through the tab 8 with the other hand, the push wheel 7 is rotatably matched with the top of the cover 2 through the damping bearing 11, at the same time, the push wheel 7 provides a pushing force for the push rod 9 through the screwing of the inner wall of the push wheel 7 and the push rod 9, the push rod 9 pushes the piston plate 10, the piston plate 10 slides along the vertical end outer wall of the oil outlet pipe 6, the grease in the storage cylinder 1 is discharged from the oil outlet pipe 6 under the action of pressure difference, the manual driving piston plate 10 lifting mode replaces the traditional electric push rod, improving the versatility of the oiling device, based on human mechanics, the operator cannot do large amplitude pushing of the push wheel 7 at a time, cooperating with the progressively rotating push wheel 7, so that the operator can conveniently control the oil discharge speed and oil discharge amount of the grease.
[0026] Specifically, as Figure 2 and Figure 4As shown, the cover 2 is fixedly connected with the plug plate 3, the plug plate 3 is sleeved with the sleeve 5 which is fixedly connected with the outer wall of the arc-shaped end of the storage cylinder 1, and the outer wall of the plug plate 3 is detachably connected with the sleeve 5, the outer wall of the sleeve 5 is inserted with the locking rod 4, and the outer wall of the locking rod 4 is rotatably connected with the outer wall of the plug plate 3 through the screw hole, the plug plate 3 is inserted into the sleeve 5, and the plug plate 3 is fixed with the sleeve 5 through the locking rod 4, so as to ensure the convenience of disassembly and assembly between the cover 2 and the storage cylinder 1, and through the cooperation of the plug plate 3 and the sleeve 5, the relative position between the cover 2 and the storage cylinder 1 can be quickly limited, thereby further improving the convenience of the oiling device for the refrigerator hinge shaft.
[0027] Specifically, as shown in the drawings, Figure 2 and Figure 3 As shown, the oil outlet pipe 6 is in an L-shaped structure, the inner wall of the piston plate 10 is slidably connected with the outer wall of the vertical end of the oil outlet pipe 6, which ensures the stability of the vertical movement of the piston plate 10, the driving part includes the push wheel 7 which is rotatably connected with the top of the cover 2 through the damping bearing 11, the inner wall of the push wheel 7 is rotatably connected with the outer wall of the push rod 9, one hand of the operator holds the handle 12, and the other hand pushes the push wheel 7 through the tab 8, the push wheel 7 is rotatably connected with the top of the cover 2 through the damping bearing 11, and the push wheel 7 provides a pushing force for the push rod 9 through the rotation of the inner wall of the push wheel 7 and the push rod 9, the arc-shaped end of the push wheel 7 is fixedly connected with a plurality of tabs 8, and the plurality of tabs 8 are arranged in a ring shape, so as to facilitate the pushing of the push wheel 7 by the operator.
[0028] Working principle: fill the oil into the storage cylinder 1, and fix the cover 2 with the storage cylinder 1, one hand of the operator holds the handle 12, and the other hand pushes the push wheel 7 through the tab 8, the push wheel 7 is rotatably connected with the top of the cover 2 through the damping bearing 11, and the push wheel 7 provides a pushing force for the push rod 9 through the rotation of the inner wall of the push wheel 7 and the push rod 9, the push rod 9 pushes the piston plate 10, the piston plate 10 slides along the outer wall of the vertical end of the oil outlet pipe 6, and the oil in the storage cylinder 1 is discharged from the oil outlet pipe 6 under the action of pressure difference, the manual driving of the piston plate 10 replaces the traditional electric push rod, improves the universality of the oiling device, and based on human mechanics, the operator cannot push the push wheel 7 greatly at a time, and the push wheel 7 is rotatably connected, so that the operator can conveniently control the oil outlet speed and oil outlet amount of the oil, the plug plate 3 is inserted into the sleeve 5, and the plug plate 3 is fixed with the sleeve 5 through the locking rod 4, so as to ensure the convenience of disassembly and assembly between the cover 2 and the storage cylinder 1, and through the cooperation of the plug plate 3 and the sleeve 5, the relative position between the cover 2 and the storage cylinder 1 can be quickly limited, thereby further improving the convenience of the oiling device for the refrigerator hinge shaft.
[0029] The foregoing description of the embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An oiling device for a refrigerator hinge shaft, comprising a storage cylinder (1) and a cover (2) fixedly connected, wherein a handle (12) is fixedly connected to the outer wall of the storage cylinder (1), characterized in that, The outer side of the cover (2) is integrated with a push rod (9) and a drive unit for driving the push rod (9). The bottom of the push rod (9) is rotatably connected to a piston plate (10) that is slidably connected to the inner wall of the storage cylinder (1). The inner wall of the cover (2) is fixedly connected to an oil outlet pipe (6).
2. The oiling device for a refrigerator hinge shaft according to claim 1, characterized in that, The outer wall of the cover (2) is fixedly connected to the insert plate (3), and the insert plate (3) is sleeved with a sleeve (5) fixedly connected to the outer wall of the arc end of the storage cylinder (1), and the outer wall of the insert plate (3) and the sleeve (5) are detachably connected.
3. The oiling device for a refrigerator hinge shaft according to claim 2, characterized in that, The outer wall of the sleeve (5) is fitted with a locking rod (4), and the outer wall of the locking rod (4) is screwed into the outer wall of the insert plate (3) through a screw hole.
4. The oiling device for a refrigerator hinge shaft according to claim 3, characterized in that, The oil outlet pipe (6) has an L-shaped structure, and the inner wall of the piston plate (10) is slidably connected to the outer wall of the vertical end of the oil outlet pipe (6).
5. An oiling device for a refrigerator hinge shaft according to claim 4, characterized in that, The drive unit includes a push wheel (7) that is rotatably connected to the top of the cover (2) via a damping bearing (11), and the inner wall of the push wheel (7) is screwed into the outer wall of the push rod (9).
6. The oiling device for a refrigerator hinge shaft according to claim 5, characterized in that, The outer wall of the arc-shaped end of the push wheel (7) is fixedly connected to multiple sets of protrusions (8), and the multiple sets of protrusions (8) are distributed in a ring.
Citation Information
Patent Citations
Oiling device for refrigerator hinge shaft
CN218360468U