CN218717892U

CN218717892U - Oil ejector of tensioning oil cylinder

Info

Publication number: CN218717892U
Application number: CN202223006109.5U
Authority: CN
Inventors: 陈泽华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-24
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a tight hydro-cylinder grease squirt rises, including beating the chain mouth, it is T style of calligraphy structure for the cross section to beat the chain mouth, beat the oiling chamber that the coaxial cylinder type of seting up in the chain mouth, the tip end of beating the chain mouth is coaxial to have seted up oilhole and oiling chamber intercommunication, there is the end cap through threaded connection on the one end inner chamber wall that the oilhole was kept away from to the oiling chamber, the oil groove has been seted up through coaxial running through of end cap, one side chamber wall fixedly connected with spring that the oilhole is close to in the oiling chamber, the one end fixedly connected with connecting seat of oilhole is kept away from to the spring. The utility model discloses to divide the chain mouth of beating of body structure originally to set up to disjunctor structure, effectively avoid beating the chain mouth and take place the obscission, adopt carbon steel material simultaneously, hang plating pearl nickel and promote whole hardness and increased the life of beating the chain mouth, and whole grease squirt structural design is small and exquisite, and portable can carry out the oiling for tight hydro-cylinder that rises at excavator operational environment, has improved the application scope of grease squirt.

Description

Oil ejector of tensioning oil cylinder

Technical Field

The utility model relates to an oil squirt technical field especially relates to a tight hydro-cylinder oil squirt rises.

Background

The existing track tensioning oil cylinder for the excavator is characterized in that a spring valve is arranged at the bottom of a hydraulic cavity, when a main pump is charged with hydraulic oil for pressurization, the oil drives the spring valve to start a piston, the piston extrudes a piston rod through the pressure of the hydraulic oil to enable the track to be tensioned, when the pressure is unloaded, the piston rod extrudes the piston through the self weight of the track, and grease in a grease cavity is extruded out to lubricate the track.

The existing tensioning oil cylinder needs to be periodically filled with oil, the chain beating nozzle is an important structure on the oil injector, the chain beating nozzle on the current market is mostly of a split structure and is formed by an upper part and a lower part through pressing by a machine, the lower part is easy to fall off in the machine body in the long-term use process, the internal pressure of the machine body is suddenly reduced, the machine body is damaged, the oil leakage phenomenon is caused, the oil injector is complex in structure and is not suitable for being carried to the ground of the excavator for oil injection, and the tensioning oil cylinder oil injector is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tensioning oil cylinder oil injector.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a tight hydro-cylinder grease squirt rises, is including beating the chain mouth, it is T style of calligraphy structure for the cross section to beat the chain mouth, beat the oiling chamber that the coaxial cylindrical form of seting up in the chain mouth, the tip end of beating the chain mouth has seted up oilhole and oiling chamber intercommunication coaxially, there is the end cap through threaded connection on the one end inner chamber wall that the oilhole was kept away from to the oiling chamber, the oil groove has been seted up in the coaxial run-through of end cap.

Preferably, the wall of one side cavity of the oil injection cavity close to the oil hole is fixedly connected with a spring, one end of the spring far away from the oil hole is fixedly connected with a connecting seat, and the connecting seat is fixedly connected with a steel ball.

Preferably, the oil pumping pipe is fixedly connected to the outer wall of the oil pumping port in a sealing manner, the wall of the oil through groove, which is far away from the oil hole, is provided with internal connecting threads, and the outer wall of the chain striking nozzle is provided with external connecting threads.

Preferably, the check valve at the oil conveying groove only allows liquid to flow from the oil pumping cavity to the oil conveying groove, and the diameter of the steel ball is larger than that of the oil through groove.

Preferably, an inner hexagonal groove is formed in the wall of one end, away from the steel ball, of the oil through groove in the plug.

Preferably, the chain striking nozzle is made of a carbon steel material, and the outer wall of the chain striking nozzle is made of a pearl nickel plating process.

The utility model discloses in, compare with prior art, the utility model has the advantages of:

1. the utility model sets the chain beating nozzle with the original split structure into a conjoined structure, effectively avoids the falling phenomenon of the chain beating nozzle, adopts carbon steel material, and improves the integral hardness by plating pearl nickel to prolong the service life of the chain beating nozzle;

2. the utility model discloses whole grease squirt structural design is small and exquisite, and portable can carry out the oiling for tight hydro-cylinder rises at excavator operational environment, has improved the application scope of grease squirt.

Drawings

Fig. 1 is a schematic structural view of an oil injector of a tensioning cylinder according to the present invention;

fig. 2 is a sectional view of the chain nozzle in the oil injector of the tensioning cylinder according to the present invention.

In the figure: 1 chain beating nozzle, 10 oil injection cavities, 11 oil holes, 12 springs, 13 connecting seats, 14 steel balls, 15 plugs, 16 oil through grooves, 17 inner hexagonal grooves, 21 inner connecting threads and 22 outer connecting threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the tensioning oil cylinder lubricator comprises a chain beating nozzle 1, wherein the chain beating nozzle 1 is of a T-shaped structure, a cylindrical oil injection cavity 10 is coaxially formed in the chain beating nozzle 1, an oil hole 11 is coaxially formed in a tip end of the chain beating nozzle 1 and communicated with the oil injection cavity 10, a plug 15 is connected to the wall of the inner cavity at one end, far away from the oil hole 11, of the oil injection cavity 10 through threads, and an oil through groove 16 is coaxially formed in the plug 15 in a penetrating mode.

The oil injection cavity 10 is close to one side chamber wall fixedly connected with spring 12 of oilhole 11, the one end fixedly connected with connecting seat 13 that oilhole 11 was kept away from to spring 12, fixedly connected with steel ball 14 on the connecting seat 13, the diameter of steel ball 14 is greater than the diameter of logical oil groove 16, the logical oil groove 16 on the end cap 15 is kept away from and is seted up hexagon socket head 17 on the one end cell wall of steel ball 14.

The oil through groove 16 is far away from the inner connecting thread 21 on the groove wall of the oil hole 11, the outer connecting thread 22 is arranged on the outer wall of the chain beating nozzle 1, the chain beating nozzle 1 is made of carbon steel materials, the outer wall of the chain beating nozzle 1 is made of a pearl nickel surface plating process, and the service life of the chain beating nozzle 1 is prolonged by adding the integral hardness.

The utility model discloses when using, make earlier through external screw thread 22 and beat chain mouth 1 and the oil feed mouth of tight hydro-cylinder that rises and be connected fixedly, then be connected with external defeated oil pipe through in-connection screw thread, the butter gets into through external defeated oil pipe and beats in the oiling chamber 10 of chain mouth 1, it is tight hydro-cylinder oiling to follow oilhole 11 after 16 back extrusion steel balls of oil through groove, after the oiling, spring 12 promotes steel ball 14 and blocks up oil through groove 16, prevent the fluid refluence, and whole grease squirt structure is small and exquisite, and convenient carrying.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tight hydro-cylinder grease squirt rises, is including beating chain mouth (1), its characterized in that, it is T style of calligraphy structure for the cross section to beat chain mouth (1), coaxially set up oiling chamber (10) of cylinder type in beating chain mouth (1), the tip end of beating chain mouth (1) is coaxial to be seted up oilhole (11) and annotates oil chamber (10) intercommunication, it has end cap (15) to annotate to have through threaded connection on the one end inner chamber wall of oilhole (11) to keep away from in oil chamber (10), logical oil groove (16) have been seted up in coaxial running through of end cap (15).

2. The tensioning oil cylinder oiler as claimed in claim 1, wherein a spring (12) is fixedly connected to the wall of one side of the oil injection cavity (10) close to the oil hole (11), a connecting seat (13) is fixedly connected to one end of the spring (12) far away from the oil hole (11), and a steel ball (14) is fixedly connected to the connecting seat (13).

3. The tensioning cylinder oiler according to claim 1, characterized in that an inner connecting thread (21) is arranged on the wall of the oil through groove (16) far away from the oil hole (11), and an outer connecting thread (22) is arranged on the outer wall of the chain driving nozzle (1).

4. The tension cylinder oiler as claimed in claim 2, wherein the diameter of the steel ball (14) is larger than that of the oil through groove (16).

5. The tensioning cylinder oiler as claimed in claim 2, characterized in that an inner hexagonal groove (17) is formed in a wall of an oil through groove (16) in the plug (15) at an end away from the steel ball (14).

6. The tensioning oil cylinder oiler according to claim 1, wherein the chain striking nozzle (1) is made of carbon steel, and the outer wall of the chain striking nozzle (1) is plated with pearl nickel.