CN216408526U

CN216408526U - Grease filling device for oil cup

Info

Publication number: CN216408526U
Application number: CN202122825181.XU
Authority: CN
Inventors: 李春生; 陈纪光; 方轶; 陈琛涵; 陈吉敏; 董巍巍; 鲍超
Original assignee: Hangzhou Hangcha Bridge Box Co ltd
Current assignee: Hangzhou Hangcha Bridge Box Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-29
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an oil cup grease filling device which comprises a sleeve, a push rod arranged in the sleeve and an elastic piece connected with the push rod, wherein the sleeve is provided with a clamping part and a grease filling hole, the end part of the push rod is provided with a sleeve connected with an oil cup grease filling nozzle in a sleeved mode, the side part of the push rod is provided with a grease filling groove penetrating through the sleeve, so that when the oil cup grease filling nozzle is arranged in the clamping part, the sleeve is connected with the oil filling nozzle in a pressing mode, and the grease filling hole is aligned with the grease filling groove. The grease filling device for the oil cup is convenient and reliable to connect with the grease filling nozzle of the oil cup, prevents lubricating grease from leaking, and improves grease filling efficiency.

Description

Grease filling device for oil cup

Technical Field

The utility model relates to the technical field of oil cup lubrication, in particular to an oil cup grease injector.

Background

When a moving part of mechanical equipment works, oil is generally required to be filled for lubrication so as to reduce abrasion and prolong the service life.

At present, mechanical equipment is generally periodically filled with oil by filling an oil cup with lubricating grease. At present, the scheme of injecting lubricating grease into an oil cup mainly comprises the steps of directly injecting lubricating grease into a mechanism, and then filling the oil cup into the mechanism and injecting the lubricating grease through an oil injection nozzle of the oil cup. Direct grease injection into the mechanism can result in grease not filling the oil cup, causing corrosion of the oil cup. Grease is often spilled due to inconvenient connection and poor sealing when grease is injected through the grease cup nozzle.

How to improve the reliability of grease filling of the oil cup becomes a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil cup grease filling device which is convenient and reliable to connect with an oil cup grease filling nozzle, avoids lubricating grease leakage and improves grease filling efficiency.

In order to achieve the purpose, the utility model provides an oil cup grease injector which comprises a sleeve, a push rod and an elastic piece, wherein the push rod is arranged in the sleeve, the elastic piece is connected with the push rod, the sleeve is provided with a clamping part and a grease injection hole, the end part of the push rod is provided with a sleeve which is connected with an oil nozzle of an oil cup in a sleeved mode, a grease injection groove which penetrates through the sleeve is formed in the side part of the push rod, so that when the oil nozzle of the oil cup is arranged in the clamping part, the sleeve is connected with the oil nozzle in a pressing mode, and the grease injection hole is aligned with the grease injection groove.

Optionally, the inner wall surface of the sleeve is a conical surface matched with the oil cup filling nozzle.

Optionally, a first annular groove is formed in the inner wall of the sleeve, which is located at the top of the conical surface, and a first sealing ring is arranged in the first annular groove.

Optionally, the card installing portion includes a card inlet formed in one side of the sleeve and a semi-annular blocking platform located at an end of the sleeve, the semi-annular blocking platform is inwardly protruded along a radial direction of the sleeve, and a hollow portion of the semi-annular blocking platform is communicated with the card inlet.

Optionally, a second annular groove is formed in the outer wall of the sleeve, and a second sealing ring is arranged between the second annular groove and the inner wall of the sleeve.

Optionally, the push rod is located the outer wall of annotating the fat groove and keeping away from sleeve pipe one side sets up the third ring channel, be equipped with the third sealing washer in the third ring channel.

Optionally, the sleeve is provided with a base at an end opposite to the clamping portion, one end of the push rod, which is far away from the sleeve, penetrates out of the base, the push rod is provided with a limit table, and the elastic part is a spring which is sleeved on the push rod and abuts against and presses between the limit table and the base.

Optionally, one end of the sleeve, which is far away from the clamping portion, is provided with an external thread for mounting the base.

Compared with the prior art, the oil cup grease filling device provided by the utility model clamps the oil cup grease filling nozzle through the clamping part, and the push rod enables one end of the sleeve to be sleeved at the oil cup grease filling nozzle under the action of the elastic part, so that the sealing performance of the joint is improved and the leakage of lubricating grease is reduced due to the pushing of the elastic part. Meanwhile, the grease injection hole of the sleeve is connected with the oil pump, the grease injection hole is opposite to the grease injection groove of the push rod, lubricating grease enters the sleeve from the grease injection hole and enters the grease injection groove of the push rod, and the lubricating grease is injected into the oil cup through the sleeve and the oil injection nozzle of the oil cup, so that the connection is convenient, the grease injection is stable and reliable, the oil cup is prevented from being disassembled, and the grease injection efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of an oil cup grease injector according to an embodiment of the present invention;

FIG. 2 is a schematic view of the putter of FIG. 1;

fig. 3 is a schematic view of the sleeve of fig. 1.

Wherein:

the device comprises a sleeve 1, a push rod 2, an elastic part 3, a base 4, a grease injection hole 5, a grease clamping inlet 6, a semi-annular baffle table 7, a grease injection groove 8, a sleeve 9, a conical surface 10, a first annular groove 11, a second annular groove 12, a third annular groove 13 and a limiting table 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic view of an oil cup grease injector according to an embodiment of the present invention, fig. 2 is a schematic view of a push rod in fig. 1, and fig. 3 is a schematic view of a sleeve in fig. 1.

The grease filling device for the oil cup comprises a sleeve 1, a push rod 2 and an elastic part 3 connected with the push rod 2. The sleeve 1 is provided with a grease injection hole 5 and a clamping part, the grease injection hole 5 is used for connecting an oil pump, and the clamping part is used for clamping an oil injection nozzle into the sleeve 1. Set up push rod 2 and elastic component 3 in the sleeve 1, the one end of push rod 2 sets up the sleeve pipe 9 of connecting the oil pump oil nipple, and elastic component 3 is connected to the other end, and the middle part of push rod 2 is then seted up and is annotated fat groove 8, and the tank bottom of annotating fat groove 8 is equipped with and communicates to sleeve pipe 9 internal connection hole.

The oil cup oil filling nozzle is clamped through the clamping part, the push rod 2 enables one end of the sleeve 9 to be sleeved and tightly abutted to the oil cup oil filling nozzle under the action of the elastic part 3, and due to the elastic force of the elastic part 3, the sealing performance of the joint of the sleeve 9 and the oil cup oil filling nozzle is improved, and lubricating grease leakage is reduced. When grease is injected into the oil cup, the grease injection hole 5 of the sleeve 1 is connected with the oil pump, the grease injection nozzle of the oil cup is fixedly clamped with the push rod 2 through the clamping part, the grease injection hole 5 is over against the grease injection groove 8 in the middle section of the push rod 2, lubricating grease enters the sleeve 1 from the grease injection hole 5 and then enters the grease injection groove 8 of the push rod 2, and the lubricating grease is injected into the oil cup through the sleeve 9 and the grease injection nozzle of the oil cup.

As shown in fig. 3, the card installing portion is disposed at one end of the sleeve 1, and specifically includes a card inlet 6 opened in a side wall close to the end portion, and a semi-annular blocking platform 7 disposed at an opening at the end portion of the sleeve 1, where the semi-annular blocking platform 7 protrudes toward the inner side along the radial direction of the sleeve 1, so that a hollow portion of the semi-annular blocking platform 7 is communicated with the card inlet 6 of the side wall. When the oil filling nozzle of the oil cup is clamped, the elastic part 3 is compressed by the driving push rod 2, the oil filling nozzle of the oil cup enters the sleeve 1 from the clamping inlet 6 on the side wall of the sleeve 1, the semi-annular baffle table 7 stops the oil filling nozzle, the push rod 2 is loosened, and the sleeve 9 at the end part of the push rod 2 is sleeved and pressed on the oil filling nozzle of the oil cup under the thrust action of the elastic part 3.

As shown in fig. 2, in order to improve the sealing property of the fitting between the cup filler neck and the sleeve 9, the inner wall surface of the sleeve 9 is provided with a tapered surface 10 that engages with the cup filler neck. In other words, the inner diameter of the sleeve 9 is gradually reduced in diameter in the direction from the end of the push rod 2 to the grease injection groove 8. Furthermore, a first annular groove 11 is formed in the top end, located on the conical surface 10, of the inner wall of the sleeve 9, a first sealing ring is arranged in the first annular groove 11, the sealing performance of connection between the sleeve 9 and the oil cup oil nozzle is further improved by means of the arrangement of the first sealing ring, and lubricating grease leakage is avoided.

Because the grease injection hole 5 is arranged towards the grease injection groove 8, lubricating grease enters the grease injection groove 8 from the grease injection hole 5 and then enters the oil cup only from the inner part of the push rod 2 through the sleeve 9, and the outer wall of the sleeve 9 and the inner wall of the sleeve 1, and the outer wall of one end, far away from the sleeve 9, of the push rod 2 and the inner wall of the sleeve 1 are in a sealing state. In order to improve the sealing performance between the outer wall of the push rod 2 and the inner wall of the sleeve 1, a second annular groove 12 is formed in the outer wall of the sleeve 9, a second sealing ring is arranged in the second annular groove 12, and lubricating grease is prevented from leaking towards the oil filling nozzle of the oil cup along the outer wall of the sleeve 9 and the inner wall of the sleeve 1 by means of the second sealing ring.

Furthermore, the outer wall of the end, away from the sleeve 9, of the push rod 2 located in the grease injection groove 8 is provided with a third annular groove 13, a third sealing ring is arranged in the third annular groove 13, the sealing performance between the push rod 2 and the inner wall of the sleeve 1 is improved by means of the third sealing ring, and the phenomenon that lubricating grease leaks towards one end of the elastic part 3 to influence the elastic part 3 to drive the push rod 2 to abut against the oil cup oil injection nozzle is avoided. That is, the outer walls of the push rod 2 at the two ends of the grease injection groove 8 are provided with sealing rings, so that the lubricating grease is prevented from leaking from the grease injection groove 8 to the two ends of the push rod 2 along the outer wall of the push rod 2. The grease can only enter the sleeve 9 from a connecting hole communicated with the sleeve 9 at the groove bottom of the grease injection groove 8, and the grease enters the grease injection nozzle of the oil cup due to the arrangement of the conical surface 10 on the inner wall of the sleeve 9 and the first sealing ring.

Preferably, the first end of the sleeve 1 is a clamping portion, the second end of the sleeve is provided with a base 4, a through hole is formed in the center of the base 4, one end, away from the sleeve 9, of the push rod 2 penetrates through the through hole in the center of the base 4, meanwhile, a limiting table 14 is arranged on the outer wall of the push rod 2, the elastic piece 3 is a spring, the spring is sleeved on the push rod 2, one end of the spring abuts against the periphery of the through hole of the base 4, and the other end of the spring abuts against the limiting table 14 of the push rod 2. When the oil filling nozzle of the oil cup is clamped, the push rod 2 is pulled outwards relative to the base 4, the spring is compressed, the clamping part of the sleeve 9 retracts relatively, the oil filling nozzle is installed into the sleeve 1 from the clamping opening 6, the push rod 2 only needs to be loosened, the push rod 2 is pressed downwards under the driving of the spring, and the sleeve 9 is sleeved and tightly pressed at the oil filling nozzle of the oil cup.

The base 4 can be fixedly arranged at the end part of the sleeve 1, or can be detachably arranged as shown in fig. 1 and fig. 3, namely, an external thread is arranged at one end of the sleeve 1 far away from the clamping part, the base 4 is provided with an internal thread matched with the external thread of the sleeve 1, and when the base 4 is arranged on the sleeve 1, the end part of the push rod 2 extends out of the base 4.

In order to avoid push rod 2 to fall back to sleeve 1 completely, this application further radially offers spacing hole at the tip that push rod 2 exposes base 4, wears to establish spacing locating parts such as spacing pin in the spacing hole to ensure not installing the oil cup, when spring drive push rod 2 moves down relative base 4, push rod 2 exposes base 4, conveniently stimulates 2 compression spring of push rod, accomplishes the installation of oil cup oiling mouth.

It is worth noting that the sleeve 1 can be arranged into a shape with two open ends as described above, one end opposite to the clamping part can be arranged into a closed structure, a positioning boss is arranged in the center of the closed end of the sleeve 1, one end of the spring is sleeved on the positioning boss at the closed end of the sleeve 1, the other end of the spring is connected with the push rod 2, and the push rod 2 and the sleeve 9 thereof are driven to be pressed downwards.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The grease filling device for the oil cup provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a fat ware is annotated to oil cup, its characterized in that includes the sleeve, locates push rod and connection in the sleeve the elastic component of push rod, the sleeve is equipped with dress card portion and annotates the fat hole, the tip of push rod is equipped with the sleeve pipe that the suit connects the oil cup pump nozzle, the lateral part of push rod is seted up and is link up extremely sheathed tube annotates fat groove to make oil cup pump nozzle pack into during dress card portion, the sleeve pipe supports to press connects the oil cup pump nozzle, annotate the fat hole alignment annotate the fat groove.

2. The grease filling device for the oil cup according to claim 1, wherein the inner wall surface of the sleeve is a tapered surface which is matched with the grease filling nozzle of the oil cup.

3. The grease injector of claim 2, wherein the inner wall of the sleeve at the top of the conical surface is provided with a first annular groove, and a first sealing ring is arranged in the first annular groove.

4. The grease filling device for the oil cup according to claim 1, wherein the clamping portion comprises a clamping inlet arranged on one side of the sleeve and a semi-annular baffle platform arranged at the end of the sleeve, the semi-annular baffle platform protrudes inwards along the radial direction of the sleeve, and a hollow portion of the semi-annular baffle platform is communicated with the clamping inlet.

5. The grease injector of claim 1, wherein the outer wall of the sleeve is provided with a second annular groove, and a second sealing ring is arranged between the second annular groove and the inner wall of the sleeve.

6. The grease filling device for the oil cup as claimed in claim 1, wherein a third annular groove is formed in the outer wall of the push rod on the side of the grease filling groove away from the sleeve, and a third sealing ring is arranged in the third annular groove.

7. The grease filling device for the oil cup according to any one of claims 1 to 6, wherein a base is arranged at one end of the sleeve opposite to the clamping portion, one end of the push rod, which is far away from the sleeve, penetrates out of the base, the push rod is provided with a limiting table, and the elastic element is a spring which is sleeved on the push rod and is pressed between the limiting table and the base.

8. The grease injector of claim 7, wherein the end of the sleeve remote from the mounting portion is provided with external threads for mounting the base.