CN216241023U

CN216241023U - Durable oil sprayer

Info

Publication number: CN216241023U
Application number: CN202122990530.3U
Authority: CN
Inventors: 雍江; 邱迪; 郭锐
Original assignee: Hubei Taiguang Kangtuo Power Co ltd
Current assignee: Hubei Taiguang Kangtuo Power Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-08
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to the technical field of oil injectors, and discloses a durable oil injector which comprises an oil injector main body, wherein the top of the oil injector main body is fixedly connected with a connecting seat, the outer surface of the connecting seat is provided with a threaded hole, a bolt is connected with the inner thread of the threaded hole in a threaded manner, the outer surface of the bolt is connected with a fixing ring in a threaded manner, and one side of the fixing ring is fixedly connected with a spring. The utility model has the following advantages and effects: through setting up the sprayer main part, the connecting seat, the screw hole, the bolt, solid fixed ring, a spring, the stationary blade, fixed orifices and protection shield, when the installation sprayer, will gu fixed ring runs through the sprayer and remove the connecting seat surface, make the bolt run through solid fixed ring and connect the connecting seat, thereby on the fixed sprayer of fixed ring, can carry out fixed connection through the fixed orifices on the stationary blade after that, thereby realize the installation of sprayer fast, the spring of solid fixed ring bottom can cushion the external impact that the sprayer received when using.

Description

Durable oil sprayer

Technical Field

The utility model relates to the technical field of oil injectors, in particular to a durable oil injector.

Background

The oil injector is a precision device with very high processing precision, and is required to have a large dynamic flow range, strong anti-blocking and anti-pollution capacity and good atomization performance. The fuel injector receives the fuel injection pulse signal sent by the ECU and accurately controls the fuel injection quantity.

Chinese patent publication No. CN202021249999.0 discloses a split-type injector for a split-type injector, which comprises a lower injector body, a piston coupler, an oil inlet valve seat and an oil return valve seat are sequentially installed in the lower injector body, and the upper part of the lower injector body is connected with an upper injector body; the upper part of the upper oil sprayer body is provided with a valve plate, and the outlet of the valve plate is provided with a ball valve; the inner cavity of the lower oil sprayer body is an oil sprayer high-pressure cavity which is respectively communicated with the oil inlet channel and the oil outlet channel. The utility model has simple structure, the oil injector body is divided into an upper section and a lower section, the control valve component is arranged in the lower section oil injector body, the upper section oil injector is provided with a high-pressure oil inlet oil passage and a low-pressure oil return oil passage, and the upper section oil injector body and the lower section oil injector body are screwed and sealed through threads. The oil sprayer structure provides a solution for the arrangement of overlong oil sprayers in the matching of marine engines, reduces the processing difficulty and cost of the oil sprayers, and meets the matching requirements of generalization and serialization of core parts in the oil sprayers.

However, the utility model does not consider the connection mode that the fuel injector needs to be installed conveniently in use in actual use, can not provide sufficient protection for the fuel injector during operation, and can not improve the durability of the fuel injector, so a durable fuel injector is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a durable oil sprayer which has a connection mode convenient to install, can provide sufficient protection for the oil sprayer during working and can improve the durability of the oil sprayer.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a durable sprayer, includes the sprayer main part, the top fixedly connected with connecting seat of sprayer main part, the surface of connecting seat has seted up threaded hole, the inside threaded connection of screw hole has the bolt, the surface threaded connection of bolt has solid fixed ring, gu one side fixedly connected with spring of fixed ring, the one end fixedly connected with stationary blade of spring, the fixed orifices has been seted up to one side of stationary blade, gu fixed ring's opposite side fixedly connected with protection shield.

Through adopting above-mentioned technical scheme, realized the connected mode of the installation of being convenient for, can provide abundant protection for the sprayer during operation, can improve the effect of the durability of sprayer.

The utility model is further provided with: the bottom fixedly connected with protecting sheathing of sprayer main part, protecting sheathing's inside fixedly connected with limiting plate.

By adopting the technical scheme, the limiting plate can limit the moving range of the reset spring, so that the reset spring can automatically recover the original position after driving the needle valve rod to fall.

The utility model is further provided with: the upper surface swing joint of limiting plate has reset spring, reset spring's one end fixedly connected with has the needle valve rod.

By adopting the technical scheme, the reset spring can automatically restore the original position after the needle valve rod falls down, so that the needle valve rod can reciprocate up and down conveniently.

The utility model is further provided with: the outer surface threaded connection of protecting sheathing has spacing shell, the interior diapire fixedly connected with protection pad of spacing shell.

Through adopting above-mentioned technical scheme, the protection pad can provide buffering and guard action when the needle valve pole whereabouts, and protection device is difficult for receiving the harm.

The utility model is further provided with: the upper surface of the connecting seat is fixedly connected with an electromagnetic valve body, and one side of the electromagnetic valve body is fixedly connected with an oil inlet.

By adopting the technical scheme, oil can be conveniently conveyed to the interior of the oil sprayer, and the oil sprayer can be conveniently installed and connected for use.

The utility model is further provided with: the filter screen is fixedly connected to the inside of the oil inlet, and the protective cover is in threaded connection with the outer surface of the oil inlet.

Through adopting above-mentioned technical scheme, set up the filter screen in oil inlet inside, further filter oil, guarantee to get into the quality of sprayer oil.

The utility model has the beneficial effects that: by arranging the fuel injector main body, the connecting seat, the threaded hole, the bolt, the fixing ring, the spring, the fixing plate, the fixing hole and the protection plate, when the fuel injector is installed, the fixing ring penetrates through the fuel injector and moves to the surface of the connecting seat, the bolt penetrates through the fixing ring and is connected with the connecting seat, the fixing ring is fixed on the fuel injector, then the fixing hole on the fixing plate can be used for fixing connection, so that the installation of the fuel injector is quickly realized, the spring at the bottom of the fixing ring can buffer external impact on the fuel injector when in use, the vibration of the fuel injector is reduced, the protection plate at the top of the fixing ring can provide a protection effect for the fuel injector, one layer of protection is provided in the process of contacting the fuel injector with the outside, the damage to the fuel injector caused by the impact of objects or external force is prevented, so that a connection mode which is convenient to install is realized, sufficient protection can be provided for the fuel injector when the fuel injector works, and the effect of improving the durability of the fuel injector can be realized, through setting up protecting sheathing, the limiting plate, reset spring, the needle valve rod, spacing shell, the protection pad, solenoid valve body, the oil inlet, filter screen and visor, reset spring can the automatic recovery primary position after can making the needle valve rod descend, the needle valve rod up-and-down motion of being convenient for, the protection pad can provide buffering and guard action when the needle valve rod whereabouts, protection device is difficult for receiving the harm, spacing shell and protecting sheathing threaded connection, make spacing shell can dismantle, be convenient for change inside machinery, set up the filter screen inside the oil inlet, further filter oil, guarantee the quality that gets into the sprayer oil, thereby make the difficult condition that takes place impurity jam of sprayer, the realization can improve the effect of the durability of sprayer.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an oil inlet of the present invention;

FIG. 3 is a schematic view of a retaining ring according to the present invention;

fig. 4 is a schematic structural view of the limiting shell of the present invention.

In the figure, 1, a fuel injector body; 2. a connecting seat; 3. a threaded hole; 4. a bolt; 5. a fixing ring; 6. a spring; 7. a fixing sheet; 8. a fixing hole; 9. a protection plate; 10. a protective housing; 11. a limiting plate; 12. a return spring; 13. a needle valve stem; 14. a limiting shell; 15. a protection pad; 16. an electromagnetic valve body; 17. an oil inlet; 18. filtering with a screen; 19. a protective cover.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 4, a durable fuel injector comprises a fuel injector body 1, a protective casing 10 is fixedly connected to the bottom of the fuel injector body 1, a limiting shell 14 is connected to the outer surface of the protective casing 10 through a thread, a protective pad 15 is fixedly connected to the inner bottom wall of the limiting shell 14, the protective pad 15 can provide buffering and protecting effects when a needle valve rod 13 falls down, a protecting device is not easily damaged, a limiting plate 11 is fixedly connected to the inside of the protective casing 10, a return spring 12 is movably connected to the upper surface of the limiting plate 11, a needle valve rod 13 is fixedly connected to one end of the return spring 12, the return spring 12 can enable the needle valve rod 13 to automatically recover to the original position after falling, the needle valve rod 13 can conveniently reciprocate up and down, the limiting plate 11 can limit the moving range of the return spring 12, and enable the return spring 12 to drive the needle valve rod 13 to automatically recover to the original position after falling, the top of the fuel injector main body 1 is fixedly connected with a connecting seat 2, the upper surface of the connecting seat 2 is fixedly connected with an electromagnetic valve body 16, one side of the electromagnetic valve body 16 is fixedly connected with an oil inlet 17, the inside of the oil inlet 17 is fixedly connected with a filter screen 18, the outer surface of the oil inlet 17 is in threaded connection with a protective cover 19, the inside of the oil inlet 17 is provided with the filter screen 18, the oil is further filtered, the quality of the oil entering the fuel injector is ensured, the oil is conveniently conveyed into the fuel injector, the fuel injector is convenient to install and connect for use, the outer surface of the connecting seat 2 is provided with a threaded hole 3, the inside of the threaded hole 3 is in threaded connection with a bolt 4, the outer surface of the bolt 4 is in threaded connection with a fixing ring 5, one side of the fixing ring 5 is fixedly connected with a spring 6, one end of the spring 6 is fixedly connected with a fixing plate 7, one side of the fixing plate 7 is provided with a fixing hole 8, and the other side of the fixing ring 5 is fixedly connected with a protective plate 9, the connection mode convenient to install is realized, sufficient protection can be provided for the oil sprayer during operation, and the durability of the oil sprayer can be improved.

In the utility model, by arranging the fuel injector main body 1, the connecting seat 2, the threaded hole 3, the bolt 4, the fixing ring 5, the spring 6, the fixing sheet 7, the fixing hole 8 and the protecting plate 9, when the fuel injector is installed, the fixing ring 5 penetrates through the fuel injector and moves to the surface of the connecting seat 2, the bolt 4 penetrates through the fixing ring 5 and is connected with the connecting seat, so that the fixing ring 5 is fixed on the fuel injector, and then can be fixedly connected through the fixing hole 8 on the fixing sheet 7, thereby quickly realizing the installation of the fuel injector, when in use, the spring 6 at the bottom of the fixing ring 5 can buffer the external impact on the fuel injector and reduce the vibration of the fuel injector, the protecting plate 9 at the top of the fixing ring 5 can provide a protecting effect for the fuel injector, a layer of protection is provided in the process of contacting the fuel injector with the outside, the damage of the fuel injector caused by the impact of objects or external force is prevented, thereby realizing the connecting mode convenient to install, can provide sufficient protection for the oil sprayer during working, can improve the durability effect of the oil sprayer, by arranging the protective shell 10, the limiting plate 11, the reset spring 12, the needle valve rod 13, the limiting shell 14, the protective pad 15, the electromagnetic valve body 16, the oil inlet 17, the filter screen 18 and the protective cover 19, the reset spring 12 can enable the needle valve rod 13 to automatically recover to the original position after falling, the needle valve rod 13 can conveniently reciprocate up and down, the protective pad 15 can provide buffering and protecting effects when the needle valve rod 13 falls, the protective device is not easy to be damaged, the limiting shell 14 is connected with the protective shell 10 through threads, the limiting shell 14 can be detached, the internal machinery is convenient to replace, the filter screen 18 is arranged in the oil inlet, the oil is further filtered, and the quality of the oil entering the oil sprayer is guaranteed, so that the oil sprayer is not easy to be blocked by impurities, and the effect of improving the durability of the oil sprayer is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A durable fuel injector comprising an injector body (1), characterized in that: the top fixedly connected with connecting seat (2) of sprayer main part (1), threaded hole (3) are seted up to the surface of connecting seat (2), the inside threaded connection of screw hole (3) has bolt (4), the surface threaded connection of bolt (4) has solid fixed ring (5), one side fixedly connected with spring (6) of solid fixed ring (5), one end fixedly connected with stationary blade (7) of spring (6), fixed orifices (8) have been seted up to one side of stationary blade (7), opposite side fixedly connected with protection shield (9) of solid fixed ring (5).

2. A durable fuel injector as set forth in claim 1, characterized in that: the bottom of the fuel injector main body (1) is fixedly connected with a protective shell (10), and the inside of the protective shell (10) is fixedly connected with a limiting plate (11).

3. A durable fuel injector as set forth in claim 2, characterized in that: the upper surface swing joint of limiting plate (11) has reset spring (12), the one end fixedly connected with of reset spring (12) has needle valve rod (13).

4. A durable fuel injector as set forth in claim 2, characterized in that: the outer surface threaded connection of protecting sheathing (10) has spacing shell (14), the interior diapire fixedly connected with protection pad (15) of spacing shell (14).

5. A durable fuel injector as set forth in claim 1, characterized in that: the upper surface of the connecting seat (2) is fixedly connected with an electromagnetic valve body (16), and one side of the electromagnetic valve body (16) is fixedly connected with an oil inlet (17).

6. A durable fuel injector as set forth in claim 5, characterized by: the filter screen (18) is fixedly connected to the inside of the oil inlet (17), and a protective cover (19) is in threaded connection with the outer surface of the oil inlet (17).