CN216113293U - Hydraulic single-point dedicated oil injector - Google Patents
Hydraulic single-point dedicated oil injector Download PDFInfo
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- CN216113293U CN216113293U CN202122704523.2U CN202122704523U CN216113293U CN 216113293 U CN216113293 U CN 216113293U CN 202122704523 U CN202122704523 U CN 202122704523U CN 216113293 U CN216113293 U CN 216113293U
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- oil cylinder
- oil
- top cover
- detachably connected
- injector
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Abstract
The utility model discloses a hydraulic single-point special oil injector, which comprises: an oil cylinder; the base is detachably connected to one end of the oil cylinder, an oil outlet nozzle is arranged on the part, outside the oil cylinder, of the base, and an oil outlet hole for communicating the oil outlet nozzle with the oil cylinder is formed in the base; the top cover is detachably connected to the other end of the oil cylinder; the oil cylinder is provided with an oil cylinder, the top cover is provided with an oil cylinder, the oil cylinder is arranged in the oil cylinder, the oil cylinder is provided with the oil cylinder, the oil cylinder is axially telescopic, the oil cylinder is arranged in the oil cylinder, the oil cylinder is internally, the oil cylinder is arranged in the oil cylinder, the oil cylinder is movably and hermetically connected with the oil cylinder, the oil cylinder is detachably connected to the top cover, the oil cylinder is arranged on the top cover, the oil cylinder is arranged in the oil cylinder, the oil cylinder is arranged on the top cover, the oil cylinder is arranged on the oil cylinder, the top cover, the oil cylinder is detachably connected with a pressing plate, the oil cylinder is arranged in the oil cylinder, and is detachably connected with a pressing plate, and is arranged on the oil cylinder, and is arranged on the top cover, and is arranged in the top cover, and is detachably connected with a piston rod of the oil cylinder, and is detachably connected with a pressing plate, and is arranged on the top cover, and is detachably connected with a piston rod of the top cover, and is arranged on the top cover, and is detachably connected with the top cover, and is arranged on the top cover, and is arranged on the top cover, and is arranged in the top. According to the utility model, the spiral spring in the existing oil injector is replaced by the gas spring, and based on the characteristic of small elastic force change of the gas spring, the volume of an oil cavity of the oil injector can be properly large, the service cycle of the oil injector is prolonged, and the oil supplementing frequency is reduced.
Description
Technical Field
The utility model relates to the field of mining equipment. More particularly, the present invention relates to a hydraulic single point dedicated oil injector.
Background
In the field of coal mining, mechanical equipment such as a fully mechanized excavating machine, a side-dumping rock loader, a hydraulic drill carriage, a raking machine, a belt conveyor and the like are commonly used, lubricating oil is required to be injected regularly to work after the equipment is used, lubricating grease is injected into the mining equipment by a commonly used oil injector in the prior art, however, the conventional oil injector still adopts a compressed spiral spring as power to press a pressure oil disc in an oil cavity of the oil injector, the elasticity of the spiral spring is gradually reduced after the spiral spring is gradually extended, and the specification of the oil cavity of the conventional oil injector is smaller in order to enable the spring to always generate enough pressure on the pressure oil disc, so that the spring still has enough power to push the pressure oil disc to extrude the lubricating oil even if the oil amount in the oil cavity is small, and the service cycle of the oil injector is short and oil supplement is required frequently.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The utility model also aims to provide a hydraulic single-point dedicated oil injector, which can ensure that the volume of an oil cavity of the oil injector is properly large, prolong the service cycle of the oil injector and reduce the oil supplementing frequency by replacing a spiral spring in the existing oil injector with an air spring based on the characteristic of small elastic force change of the air spring.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, a hydraulic single point dedicated oil lubricator is provided, comprising:
an oil cylinder;
the base is detachably connected to one end of the oil cylinder, an oil outlet nozzle is arranged on the part, outside the oil cylinder, of the base, and an oil outlet hole for communicating the oil outlet nozzle with the oil cylinder is formed in the base;
the top cover is detachably connected to the other end of the oil cylinder;
the oil cylinder is provided with an oil cylinder, the top cover is provided with an oil cylinder, the oil cylinder is arranged in the oil cylinder, the oil cylinder is provided with the oil cylinder, the oil cylinder is axially telescopic, the oil cylinder is arranged in the oil cylinder, the oil cylinder is internally, the oil cylinder is arranged in the oil cylinder, the oil cylinder is movably and hermetically connected with the oil cylinder, the oil cylinder is detachably connected to the top cover, the oil cylinder is arranged on the top cover, the oil cylinder is arranged in the oil cylinder, the oil cylinder is arranged on the top cover, the oil cylinder is arranged on the oil cylinder, the top cover, the oil cylinder is detachably connected with a pressing plate, the oil cylinder is arranged in the oil cylinder, and is detachably connected with a pressing plate, and is arranged on the oil cylinder, and is arranged on the top cover, and is arranged in the top cover, and is detachably connected with a piston rod of the oil cylinder, and is detachably connected with a pressing plate, and is arranged on the top cover, and is detachably connected with a piston rod of the top cover, and is arranged on the top cover, and is detachably connected with the top cover, and is arranged on the top cover, and is arranged on the top cover, and is arranged in the top.
Preferably, the oil outlet nozzle is provided with a regulating valve.
Preferably, an oil replenishing nozzle is arranged on the part of the base, which is positioned outside the oil cylinder, and an oil replenishing hole for communicating the oil replenishing nozzle with the oil cylinder is also formed in the base;
wherein, be provided with the check valve that only opens in to the oil cylinder in the benefit glib talker.
Preferably, the oil cylinder is a cylinder.
Preferably, a first circular groove is formed in the base, a first internal thread is formed in the side wall of the first circular groove, a first external thread matched with the first internal thread is formed in the outer wall of one end of the oil cylinder, and the oil cylinder is in threaded connection with the base.
Preferably, a second circular groove is formed in the top cover, a second internal thread is formed in the side wall of the second circular groove, a second external thread matched with the second internal thread is formed in the outer wall of the other end of the oil cylinder, and the oil cylinder is in threaded connection with the top cover.
Preferably, one surface of the top cover, which is far away from the oil cylinder, is connected with a containing groove, and a through hole for communicating the containing groove with the oil cylinder is formed in the top cover;
the air spring is arranged in the accommodating groove.
Preferably, the pressing plate is a metal disc matched with the oil cylinder, an annular sealing ring accommodating groove is formed in the circumferential surface of the metal disc, and a sealing ring is arranged in the sealing ring accommodating groove.
Preferably, the oil cylinder is transparent.
Preferably, the top cover is provided with an air pressure balancing hole for communicating the inside of the oil cylinder with the outside.
The utility model at least comprises the following beneficial effects: through the change of the helical spring in the existing oil filler into the gas spring, the oil cavity volume of the oil filler can be properly large based on the characteristic of small elastic force change of the gas spring, the service cycle of the oil filler is prolonged, and the oil supplementing frequency is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic side view of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a hydraulic single-point dedicated oil injector, comprising:
an oil cylinder 1;
the base 2 is detachably connected to one end of the oil cylinder 1, an oil outlet nozzle 3 is arranged on the part, outside the oil cylinder 1, of the base 2, and an oil outlet hole for communicating the oil outlet nozzle 3 with the oil cylinder 1 is formed in the base 2;
the top cover 4 is detachably connected to the other end of the oil cylinder 1;
the oil cylinder is characterized in that an air spring 5 which stretches along the axial direction of the oil cylinder 1 is arranged on the top cover 4, a pressing plate 6 is connected to the oil cylinder 1 in a sliding sealing mode, and a piston rod of the air spring 5 is detachably connected to the pressing plate 6.
Specifically, the oil cylinder 1 is a cylinder.
Specifically, be provided with first circular recess on the base 2, first internal thread has been seted up on the lateral wall of first circular recess, be provided with on the one end outer wall of oil cylinder 1 with the first external screw thread that first internal thread matches, oil cylinder 1 with 2 threaded connection of base, oil outlet 3 set up in deviate from on the base 2 one side of oil cylinder 1.
Specifically, a second circular groove is formed in the top cover 4, a second internal thread is formed in the side wall of the second circular groove, a second external thread matched with the second internal thread is formed in the outer wall of the other end of the oil cylinder 1, and the oil cylinder 1 is in threaded connection with the top cover 4.
Specifically, one surface of the top cover 4, which is far away from the oil cylinder 1, is connected with a containing groove 7, and a through hole for communicating the containing groove 7 with the oil cylinder 1 is formed in the top cover 4;
the gas spring 5 is arranged in the accommodating groove 7.
Specifically, the pressing plate 6 is a metal disc matched with the oil cylinder 1, an annular sealing ring 8 accommodating groove is formed in the circumferential surface of the metal disc, and a sealing ring 8 is arranged in the sealing ring 8 accommodating groove.
Specifically, the top cover 4 is provided with an air pressure balancing hole for communicating the inside of the oil cylinder 1 with the outside.
Specifically, the tail end of the piston rod of the gas spring 5 is provided with a third external thread, and the pressing plate 6 is provided with a threaded hole matched with the third external thread, so that the gas spring 5 is in threaded connection with the pressing plate 6.
In the above embodiment, the gas spring 5 pushes the pressing plate 6 to extrude the lubricating oil in the oil cylinder 1 from the oil outlet nozzle 3, and oil is filled into mechanical equipment, because the pressure of the gas stored in the gas spring 5 is several times or even ten times of the atmospheric pressure, the gas pressure in the gas spring 5 does not change greatly within the stroke range of the piston rod of the gas spring 5, so that the gas spring 5 can basically keep the pressure applied to the pressing plate 6 unchanged in one service cycle of the oil filler (the time period from full oil to exhausted oil of the grease in the oil cylinder 1), and based on the characteristic of the gas spring 5, the problem of insufficient elasticity after the conventional spiral spring is extended is solved, the oil cylinder 1 for containing the lubricating oil can be properly made into a large volume, so that more grease can be filled into the oil filler, the service cycle of the oil filler is prolonged, and the oil supplementing frequency is reduced.
In another embodiment, the oil nozzle 3 is provided with a regulating valve 9, and the opening and closing of the oil nozzle 3 and the oil outlet amount of the oil injector can be controlled through the regulating valve 9.
In another embodiment, an oil supply nozzle 10 is arranged on the part of the base 2 outside the oil cylinder 1, and an oil supply hole for communicating the oil supply nozzle 10 and the oil cylinder 1 is further formed on the base 2;
wherein, a one-way valve which is only opened to the oil cylinder 1 is arranged in the oil supplementing nozzle 10.
In the above embodiment, after the lubricating oil in the oil cylinder 1 is used up, the oil supplementing nozzle 10 is used for pumping oil into the oil cylinder 1, so that the oil injector can be used repeatedly, and the check valve can prevent the lubricating oil in the oil cylinder 1 from overflowing from the oil supplementing nozzle 10.
In another embodiment, the oil cylinder is transparent, so that a worker can visually observe the storage amount of the lubricating oil in the oil cylinder, oil can be supplemented to the oil injector before the grease in the oil injector is used up, and the oil cut-off situation is avoided.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A hydraulic single-point dedicated oil injector, comprising:
an oil cylinder;
the base is detachably connected to one end of the oil cylinder, an oil outlet nozzle is arranged on the part, outside the oil cylinder, of the base, and an oil outlet hole for communicating the oil outlet nozzle with the oil cylinder is formed in the base;
the top cover is detachably connected to the other end of the oil cylinder;
the oil cylinder is provided with an oil cylinder, the top cover is provided with an oil cylinder, the oil cylinder is arranged in the oil cylinder, the oil cylinder is provided with the oil cylinder, the oil cylinder is axially telescopic, the oil cylinder is arranged in the oil cylinder, the oil cylinder is internally, the oil cylinder is arranged in the oil cylinder, the oil cylinder is movably and hermetically connected with the oil cylinder, the oil cylinder is detachably connected to the top cover, the oil cylinder is arranged on the top cover, the oil cylinder is arranged in the oil cylinder, the oil cylinder is arranged on the top cover, the oil cylinder is arranged on the oil cylinder, the top cover, the oil cylinder is detachably connected with a pressing plate, the oil cylinder is arranged in the oil cylinder, and is detachably connected with a pressing plate, and is arranged on the oil cylinder, and is arranged on the top cover, and is arranged in the top cover, and is detachably connected with a piston rod of the oil cylinder, and is detachably connected with a pressing plate, and is arranged on the top cover, and is detachably connected with a piston rod of the top cover, and is arranged on the top cover, and is detachably connected with the top cover, and is arranged on the top cover, and is arranged on the top cover, and is arranged in the top.
2. The hydraulic single point dedicated grease injector of claim 1 wherein a regulator valve is provided on the grease outlet nozzle.
3. The hydraulic single-point dedicated oil injector according to claim 1, wherein an oil supply nozzle is arranged on a portion of the base, which is located outside the oil cylinder, and an oil supply hole for communicating the oil supply nozzle with the oil cylinder is further formed on the base;
wherein, be provided with the check valve that only opens in to the oil cylinder in the benefit glib talker.
4. The hydraulic single point dedicated grease squirt of claim 1 wherein the grease cartridge is a cylinder.
5. The hydraulic single-point dedicated oil injector as claimed in claim 4, wherein the base is provided with a first circular groove, a first internal thread is formed on a side wall of the first circular groove, a first external thread matched with the first internal thread is formed on an outer wall of one end of the oil cylinder, and the oil cylinder is in threaded connection with the base.
6. The hydraulic single-point dedicated oil injector as claimed in claim 4, wherein a second circular groove is formed in the top cover, a second internal thread is formed in a side wall of the second circular groove, a second external thread matched with the second internal thread is formed in an outer wall of the other end of the oil cylinder, and the oil cylinder is in threaded connection with the top cover.
7. The hydraulic single-point dedicated oil injector according to claim 1, wherein a containing groove is connected to a surface of the top cover facing away from the oil cylinder, and a through hole communicating the containing groove with the oil cylinder is formed in the top cover;
the air spring is arranged in the accommodating groove.
8. The hydraulic single-point dedicated oil injector of claim 4, wherein the pressure plate is a metal disc adapted to the oil cylinder, and an annular seal ring receiving groove is formed in a circumferential surface of the metal disc, and a seal ring is disposed in the seal ring receiving groove.
9. The hydraulic single point dedicated grease squirt of claim 1 wherein the grease cartridge is transparent.
10. The hydraulic single-point dedicated oil injector as claimed in claim 1, wherein the top cover is provided with an air pressure balancing hole for communicating the inside of the oil cylinder with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122704523.2U CN216113293U (en) | 2021-11-05 | 2021-11-05 | Hydraulic single-point dedicated oil injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122704523.2U CN216113293U (en) | 2021-11-05 | 2021-11-05 | Hydraulic single-point dedicated oil injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216113293U true CN216113293U (en) | 2022-03-22 |
Family
ID=80714233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122704523.2U Active CN216113293U (en) | 2021-11-05 | 2021-11-05 | Hydraulic single-point dedicated oil injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216113293U (en) |
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2021
- 2021-11-05 CN CN202122704523.2U patent/CN216113293U/en active Active
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