90-degree grease fitting quick connector and quick connector

Abstract

The utility model relates to the technical field of connectors, in particular to a 90-degree grease nipple quick connector and a quick connector, which comprise a sleeve component and a grease conveying pipe, an oiling component is arranged in the sleeve component, a clamping jaw component is arranged at one end of the oiling component, and an elastic component is arranged at the other end of the oiling component. And one end of the oil conveying pipe is vertically communicated with the oil injection component. According to the 90-degree grease nipple quick connector and the quick connector, one end of the device is connected with the grease nipple by pressing the lever component, and the other end of the device can be directly connected with a grease gun from the outside, so that the use is very convenient during grease filling, the use environment is wider, and the problems that the existing grease gun connector is of a straight-through structure and the use is inconvenient are effectively solved. And the device is inconvenient to use in a narrow space.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a 90-degree grease nipple quick connector and a quick connector. Background Art

[0002] Grease gun connector is a kind of connector that engages with the grease nozzle and is used to inject the grease in the grease gun into the grease nozzle to provide lubricant for various mechanical equipment. In order to meet the needs of market progress and user needs, the connector generally needs to meet the following technical effects: when refueling, the connector can be tightly engaged with the grease nozzle, and after refueling, the connector can be easily separated from the grease nozzle, which is quick to use.

[0003] For example, the improved grease connector disclosed in the prior art (CN102639916A) and the nozzle structure of the grease gun disclosed in the prior art (CN206669278U) are both devices for tightly engaging with the grease nozzle to add grease.

[0004] However, the grease gun connector disclosed in the prior art has the following technical problems: the existing grease gun connector generally adopts a straight tube structure, that is, the oil inlet is at one end of the tube and the oil outlet is at the other end of the tube. Due to its straight structure, it is very inconvenient to use in the narrow space of some equipment, so that the oil inlet is not convenient for connecting to the grease gun, and the oil outlet is not convenient for aligning with the oil nozzle. Summary of the invention

[0005] The main purpose of the utility model is to overcome the deficiencies in the prior art and provide a 90-degree grease nipple quick connector and a quick connector.

[0006] The technical solution adopted by the utility model to achieve its technical purpose is: a 90-degree grease nipple quick connector, including a casing component and an oil delivery pipe component;

[0007] An oil injection component is arranged inside the sleeve component, a clamping claw component is arranged at one end of the oil injection component, and an elastic component is arranged at the other end;

[0008] One end of the oil delivery pipe is vertically connected to the oil injection component, and one end of the sleeve component is vertically inserted into the oil delivery pipe and is threadedly connected and connected to the oil injection component;

[0009] One end of the sleeve component is provided with a connecting cap and a lever component, one end of the lever component is located on the connecting cap, and is connected to the oil injection component through a rotating assembly;

[0010] Press the other end of the lever component, and one end of the lever component will pull the oil injection component and the clamp component upward inside the oil pipe through the rotating assembly. The clamp component will be loosened, and the grease nipple will be inserted into the oil pipe from a vertical direction to connect with the oil injection component. Then, the other end of the lever component will be loosened, and the grease nipple will be clamped and fixed by the clamp component.

[0011] Preferably, one end of the sleeve component is threadedly connected to the connecting cap.

[0012] Preferably, a movable hole is opened on one side of the sleeve component, and one end of the oil delivery pipe is threadedly connected to the inside of the oil injection component through the movable hole. The movable hole is set as a waist-shaped structure to facilitate the movement of the oil delivery pipe.

[0013] Preferably, the oil injection component comprises an oil storage component, a connecting component is fixed at one end of the oil storage component, and an oil outlet nozzle is fixed at the other end;

[0014] The connecting component is configured as a cylindrical structure, one end of the connecting component passes through the connecting cap and is connected to the lever component through a rotating assembly, an elastic component is sleeved on the outside of the connecting component, and the elastic component is a compression spring, one end of the compression spring presses against the inner wall of the top of the connecting cap, and the other end presses against the oil storage component; the compression spring ensures that the oil injection component and the clamping claw component are always subjected to a downward elastic force, and when the lever component is not subjected to external force, the clamping claw component can press against the extended convex ring described below, thereby clamping and fixing the grease nipple through the clamping claw component.

[0015] The oil storage component is configured as a regular hexagonal structure, one end of the oil delivery pipe is threadedly connected to the oil storage component, and the interior of the oil storage component is connected to the oil outlet nozzle via an oil delivery hole;

[0016] The oil outlet nozzle is configured as a truncated cone structure, and the clamping claw component is clamped on the outside of the oil outlet nozzle.

[0017] Preferably, the rotating assembly is configured as a rotating shaft, and the rotating shaft passes through one end of the connecting component, so that the connecting component is movably connected to one end of the lever component.

[0018] Preferably, the clamping claw component is configured as a plurality of arc-shaped clamping pieces with two ends bent, and the plurality of arc-shaped clamping pieces are uniformly arranged around the outside of the oil outlet nozzle to form a clamping claw structure;

[0019] One end of the arc-shaped clip is clamped at the connection gap between the oil outlet nozzle and the oil storage component, and the other end is pressed against the extending convex ring integrally connected inside the sleeve component;

[0020] The two ends of the arc-shaped clip are bent so that it can move in coordination with the connection gap, and the extended convex ring 301 is provided to facilitate restricting the clamping jaw part 9, so that the clamping jaw part 9 will not fall out of the sleeve part 1, and the clamping jaw part 9 has a clamping force.

[0021] Preferably, the lever component is configured as a structure in which one end of a concave plate is beveled, and a pressing plate is fixed to the other end of the lever component. The pressing plate is easy to operate manually and is convenient for applying external force to the lever component.

[0022] Preferably, the outer wall of the oil delivery pipe is provided with up-and-down symmetrical notches, through which a pliers-type tool can be conveniently used to clamp the oil delivery pipe for rotation, so as to firmly thread the oil delivery pipe into the oil storage component.

[0023] The utility model also provides a grease nipple quick connector, comprising a casing component and an oil delivery pipe component;

[0024] An oil injection component is arranged inside the sleeve component, a clamping claw component is arranged at one end of the oil injection component, and an elastic component is arranged at the other end;

[0025] One end of the oil delivery pipe is vertically connected to the oil injection component;

[0026] One end of the oil injection component extends to the outside of the sleeve component and is connected to the connecting cap, and one side of the connecting cap is connected to the oil delivery pipe;

[0027] One end of the oil delivery pipe is threadedly connected to the connecting cap, and the oil delivery pipe is vertically positioned with the oil injection component, and the oil delivery pipe, the connecting cap and the oil injection component are connected internally;

[0028] A lever component is fixed to a side wall at one end of the sleeve component;

[0029] Preferably, the elastic component is configured as a compression spring sleeved outside one end of the oil injection component;

[0030] The clamping claw component is configured as a plurality of arc-shaped clips with two ends bent, and the plurality of arc-shaped clips are evenly surrounded by the other end of the oil injection component to form a clamping claw structure;

[0031] One end of the clamping jaw component is fixed to the oil injection component, and the other end is expanded and compressed inwardly through the sleeve component.

[0032] Compared with the prior art, the utility model has the following beneficial effects: when filling grease in a narrow space in some corners, the 90-degree grease nipple quick connector and quick connector can be laid down as a whole and placed in the narrow space. By pressing the lever component, one end of the device is connected to the grease nipple or one end is directly aligned with the gap of the equipment, and the other end can be directly connected to the grease gun from the outside, so that it is very convenient to use when filling grease, and the use environment is relatively wide, which effectively solves the problem that the existing grease gun connector is a straight structure and is inconvenient to use in a narrow space. In addition, the device has a compact structure, occupies a small space, and is easy to install and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the main structure of the grease fitting quick connector.

[0034] Figure 2 It is a schematic diagram of the right side structure of the grease fitting quick connector.

[0035] Figure 3 It is a schematic diagram of the right side cross-sectional structure of the grease fitting quick connector.

[0036] Figure 4 It is a schematic diagram of the top view of the casing component, the connecting component and the oil storage component.

[0037] Figure 5 It is a schematic diagram of the main cross-sectional structure of the grease fitting quick connector.

[0038] in:

[0039] 1-sleeve component; 101-movable hole; 2-oil delivery pipe; 201-notch; 3-connecting cap; 301-extended convex ring; 4-lever component; 5-rotating component; 6-pressing plate; 7-oil filling component; 701-connecting component; 702-oil outlet nozzle; 703-oil storage component; 704-oil delivery hole; 8-compression spring; 9-clamping claw assembly. DETAILED DESCRIPTION

[0040] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply 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", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model. Example 1

[0043] See also Figure 1-4 A 90-degree grease nipple quick connector comprises a casing component 1 and an oil delivery pipe component 2.

[0044] An oil injection component 7 is provided inside the sleeve component 1, a clamping claw component 9 is provided at one end of the oil injection component 7, and an elastic component is provided at the other end;

[0045] One end of the oil delivery pipe 2 is vertically connected to the oil injection component 7, and one end of the sleeve component is vertically inserted into the oil delivery pipe and is threadedly connected and connected to the oil injection component;

[0046] A movable hole 101 is opened on one side of the casing component 1, and one end of the oil delivery pipe 2 passes through the movable hole 101 and is threadedly connected to the inside of the oil injection component 7. The movable hole 101 is set as a waist-shaped structure to facilitate the movement of the oil delivery pipe 2;

[0047] The outer wall of the oil delivery pipe 2 is provided with up-and-down symmetrical notches 201 , through which a pliers-type tool can be conveniently used to clamp the oil delivery pipe 2 and rotate it, so that the oil delivery pipe 2 is firmly threadedly connected to the inside of the oil storage component 703 .

[0048] A connecting cap 3 and a lever component 4 are provided at one end of the sleeve component 1. One end of the lever component 4 is located on the connecting cap 3 and is connected to the oil injection component 7 via a rotating assembly 5.

[0049] One end of the sleeve component 1 is threadedly connected to the connecting cap 3; the lever component 4 is configured as a structure in which one end of a concave plate is beveled, and a pressing plate 6 is fixed to the other end of the lever component 4. The pressing plate 6 is easy to operate manually and is convenient for applying external force to the lever component 4.

[0050] Press the other end of the lever component 4, and one end of the lever component 4 will pull the oil filling component 7 and the clamping claw component 9 upward inside the oil pipe 2 through the rotating assembly 5. The clamping claw component 9 will be loosened, and the grease nipple will be inserted into the oil pipe 2 from the vertical direction to connect with the oil filling component 7. Then, the other end of the lever component 4 will be loosened, and the grease nipple will be clamped and fixed by the clamping claw component 9.

[0051] In this embodiment, the oil filling component 7 includes an oil storage component 703, a connecting component 701 is fixed at one end of the oil storage component 703, and an oil outlet nozzle 702 is fixed at the other end;

[0052] The connecting component 701 is configured as a cylindrical structure, one end of the connecting component 701 passes through the connecting cap 3 and is connected to the lever component 4 through the rotating assembly 5. An elastic component is sleeved on the outside of the connecting component 701, and the elastic component is a compression spring 8. One end of the compression spring 8 is pressed against the inner wall of the top of the connecting cap 3, and the other end is pressed against the oil storage component 703. The compression spring 8 is used to ensure that the oil filling component 7 and the clamping claw component 9 are always subjected to a downward elastic force. When the lever component 4 is not subjected to external force, the clamping claw component 9 can be pressed against the extended convex ring 301 described below, thereby clamping and fixing the grease nipple through the clamping claw component 9.

[0053] The oil storage component 703 is set to a regular hexagonal structure, one end of the oil delivery pipe 2 is threadedly connected to the oil storage component 703, and the inside of the oil storage component 703 is connected to the oil outlet 702 through the oil delivery hole 704 opened;

[0054] The oil outlet nozzle 702 is configured as a truncated cone structure, and the clamping claw component 9 is clamped on the outside of the oil outlet nozzle 702 .

[0055] In this embodiment, the rotating assembly 5 is configured as a rotating shaft, and the rotating shaft passes through one end of the connecting component 701 , so that the connecting component 701 is movably connected to one end of the lever component 4 .

[0056] In this embodiment, the clamping claw component 9 is configured as a plurality of arc-shaped clamping pieces with bent ends, and the plurality of arc-shaped clamping pieces are uniformly arranged around the outside of the oil outlet nozzle 702 to form a clamping claw structure;

[0057] One end of the arc-shaped clip is clamped in the connection gap between the oil outlet nozzle 702 and the oil storage component 703, and the other end is pressed against the extending convex ring 301 integrally connected inside the sleeve component 1;

[0058] The two ends of the arc-shaped clip are bent so that it can move in coordination with the connection gap, and the extended convex ring 301 is provided to facilitate restricting the clamping jaw part 9, so that the clamping jaw part 9 will not fall out of the sleeve part 1, and the clamping jaw part 9 has a clamping force.

[0059] Specifically, during use, when it is necessary to connect the grease nipple, the oil delivery pipe 2 is held and an external force is applied to the pressing plate 6, so that the other end of the lever component 4 moves downward, and one end of the lever component 4 pulls the oil injection component 7 and the clamping claw component 9 through the rotating assembly 5 and overcomes the force of the compression spring 8, so that the oil injection component 7 and the clamping claw component 9 move upward inside the oil delivery pipe 2, so that the lower end of the clamping claw component 9 can be freed from the restriction of the extension convex ring 301, and the upper end of the clamping claw component 9 can move slightly in the connection gap between the oil outlet nozzle 702 and the oil storage component 703, so as to facilitate the unfolding of the lower end of the clamping claw component 9, and put the grease nipple into the clamping claw component 9 to connect it with the oil outlet nozzle 702 of the oil delivery component 7.

[0060] After connection, the pressing plate 6 is released, and the clamping claw part 9 can be pressed against the extending convex ring 301 described below by compressing the spring 8, so that the grease fitting is clamped and fixed by the clamping claw part 9. Example 2

[0061] See also Figure 5 The utility model also provides a 90-degree grease nipple quick connector, comprising a sleeve component 1 and an oil delivery pipe component 2;

[0062] An oil injection component 7 is provided inside the sleeve component 1, a clamping claw component 9 is provided at one end of the oil injection component 7, and an elastic component is provided at the other end;

[0063] One end of the oil delivery pipe 2 is vertically connected to the oil injection component 7;

[0064] The difference from the above-mentioned embodiment 1 is that one end of the oil injection component 7 extends to the outside of the sleeve component 1 and is connected to the connecting cap 3, and one side of the connecting cap 3 is connected to the oil delivery pipe 2; a lever component 4 is fixed to the side wall of one end of the sleeve component 1, and the lever component 4 is configured as a wrench with a long strip structure.

[0065] In this embodiment, one end of the oil delivery pipe 2 is threadedly connected to the connection cap 3, and the oil delivery pipe 2 is vertically positioned with the oil injection component 7, and the oil delivery pipe 2, the connection cap 3 and the oil injection component 7 are connected internally;

[0066] In this embodiment, the elastic component is configured as a compression spring 8 sleeved outside one end of the oil injection component 7;

[0067] In this embodiment, the clamping claw component 9 is configured as a plurality of arc-shaped clips with bent ends, and the plurality of arc-shaped clips are evenly surrounded by the other end of the oil injection component 7 to form a clamping claw structure;

[0068] One end of the clamping jaw component 9 is fixed to the oil injection component 7, and the other end is expanded and compressed inwardly by the sleeve component 1.

[0069] Specifically, when in use, one end of the compression spring 8 presses against the connecting cap 3, and the other end presses against the sleeve component 1. The lever component 4 is held by the hand to overcome the force of the compression spring 8 and move upward with the sleeve component 1, so that the clamping jaw component 9 is exposed, which makes it easy to insert the grease nipple into the clamping jaw component 9 to connect with the oil filling component 7, thereby forming a clamping connection with the grease nipple; after connection, under the action of the compression spring 8, it moves downward against the sleeve component 1, and the sleeve component 1 presses the lower end of the clamping jaw component 9 downward, so that the lower end of the clamping jaw component 9 shrinks inward, thereby clamping the grease nipple into the clamping jaw component 9.

[0070] It should be noted that although the above embodiments have been described in this article, this does not limit the scope of patent protection of the utility model. Therefore, based on the innovative concept of the utility model, changes and modifications to the embodiments described in this article, or equivalent structures, equivalent processes or equivalent functional transformations made using the contents of the utility model specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included in the scope of protection of the utility model patent.

Claims

1. A 90-degree grease fitting quick connector, characterized in that: It comprises a casing component (1) and an oil pipeline component (2); An oil injection component (7) is arranged inside the sleeve component (1); a clamping claw component (9) is arranged at one end of the oil injection component (7), and an elastic component is arranged at the other end; One end of the oil delivery pipe (2) is vertically connected to the oil injection component (7); One end of the sleeve component (1) is provided with a connecting cap (3) and a lever component (4); one end of the lever component (4) is located on the connecting cap (3) and is connected to the oil injection component (7) via a rotating assembly (5).

2. A 90-degree grease fitting quick connector according to claim 1, characterized in that: One end of the sleeve component (1) is threadedly connected to the connecting cap (3).

3. A 90-degree grease fitting quick connector according to claim 1, characterized in that: A movable hole (101) is provided on one side of the sleeve component (1), and one end of the oil delivery pipe component (2) passes through the movable hole (101) and is threadedly connected to the inside of the oil injection component (7).

4. A 90-degree grease fitting quick connector according to claim 3, characterized in that: The oil injection component (7) comprises an oil storage component (703), wherein a connecting component (701) is fixed at one end of the oil storage component (703) and an oil outlet nozzle (702) is fixed at the other end; One end of the connecting component (701) passes through the connecting cap (3) and is connected to the lever component (4) via the rotating assembly (5); an elastic component is sleeved on the outside of the connecting component (701); the elastic component is a compression spring (8); one end of the compression spring (8) presses against the inner wall of the top of the connecting cap (3), and the other end presses against the oil storage component (703); One end of the oil delivery pipe (2) is threadedly connected to the oil storage component (703), and the interior of the oil storage component (703) is connected to the oil outlet nozzle (702) via an oil delivery hole (704) provided therein; The clamping claw component (9) is clamped on the outside of the oil outlet nozzle (702).

5. A 90-degree grease fitting quick connector according to claim 4, characterized in that: The rotating assembly (5) is configured as a rotating shaft, and the rotating shaft passes through one end of the connecting component (701), so that the connecting component (701) is movably connected to one end of the lever component (4).

6. A 90-degree grease fitting quick connector according to claim 4, characterized in that: The clamping claw component (9) is configured as a plurality of arc-shaped clamping pieces with bent ends, and the plurality of arc-shaped clamping pieces are evenly arranged around the outside of the oil outlet nozzle (702) to form a clamping claw structure; One end of the arc-shaped clip is clamped in the connection gap between the oil outlet nozzle (702) and the oil storage component (703), and the other end is pressed against the integrally connected extending convex ring (301) inside the sleeve component (1).

7. The 90-degree grease fitting quick connector according to claim 1, characterized in that: A pressing plate (6) is fixed to the other end of the lever component (4).

8. The 90-degree grease fitting quick connector according to claim 1, characterized in that: The outer wall of the oil delivery pipe (2) is provided with up-and-down symmetrical notches (201).

9. A 90-degree grease fitting quick connector, characterized in that: It comprises a casing component (1) and an oil pipeline component (2); An oil injection component (7) is arranged inside the sleeve component (1); a clamping claw component (9) is arranged at one end of the oil injection component (7), and an elastic component is arranged at the other end; One end of the oil delivery pipe (2) is vertically connected to the oil injection component (7); One end of the oil injection component (7) extends to the outside of the sleeve component (1) and is connected to the connecting cap (3); one side of the connecting cap (3) is connected to the oil delivery pipe (2); A lever component (4) is fixed to a side wall at one end of the sleeve component (1).

10. A 90-degree grease fitting quick connector according to claim 9, characterized in that: The elastic component is configured as a compression spring (8) which is sleeved outside one end of the oil injection component (7); The clamping claw component (9) is configured as a plurality of arc-shaped clamping pieces with bent ends, and the plurality of arc-shaped clamping pieces are evenly arranged around the outside of the other end of the oil injection component (7) to form a clamping claw structure; One end of the clamping jaw component (9) is fixed to the oil injection component (7), and the other end is expanded and compressed inwardly by the sleeve component (1).

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