CN210068363U

CN210068363U - High-pressure oil sprayer with filtering device

Info

Publication number: CN210068363U
Application number: CN201920508872.7U
Authority: CN
Inventors: 吴庆荣
Original assignee: ZHEJIANG LIWEI FUEL INJECTION EQUIPMENT CO Ltd
Current assignee: ZHEJIANG LIWEI FUEL INJECTION EQUIPMENT CO Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-02-14
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a high-pressure oil injector with a filtering device, which comprises a high-pressure oil inlet pipe arranged on one side of an oil injector body, the high-pressure oil inlet pipe is connected with the oil sprayer body through an oil inlet pipe joint, one end of the oil inlet pipe joint is fixedly connected with one side of the oil sprayer body, the outer side wall of the high-pressure oil inlet pipe is provided with a fixed block, the fixed block is connected with the oil inlet pipe joint through a fastening device, the inside of the high-pressure oil inlet pipe is provided with a filtering device which comprises a shell, a sealing cover at one side of the shell, an oil inlet is arranged at one side of the sealing cover, an oil outlet is arranged at one end of the shell far away from the sealing cover, the filter comprises a shell, and is characterized in that a filter element is arranged in the shell, sleeves are arranged on two sides of the filter element, a slide rod is arranged in each sleeve, and one end of each slide rod is fixedly connected with the shell through a first mounting block. Has the advantages that: greatly increased the security, facilitate the use, avoided the emergence of dangerous situation.

Description

High-pressure oil sprayer with filtering device

Technical Field

The utility model relates to a design field of sprayer particularly, relates to a high-pressure sprayer with filter equipment.

Background

In the production and use processes of the oil sprayer, particle impurities generated by the outside, fuel oil precipitation, self abrasion of parts and the like can enter a valve ball valve seat sealing area of the oil sprayer to cause the normally open of the oil sprayer, so that the starting problem of an engine is caused, and even a cylinder is submerged; impurities may block the injection hole to cause flow reduction, so that an engine is in fire, and therefore, a high-pressure fuel injector with a filtering device is needed to solve the problems.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure fuel injector with filter equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure oil sprayer with a filtering device comprises an oil sprayer body, wherein one side of the oil sprayer body is provided with a high-pressure oil inlet pipe, the high-pressure oil inlet pipe is connected with the oil sprayer body through an oil inlet pipe joint, one end of the oil inlet pipe joint is fixedly connected with one side of the oil sprayer body, the outer side wall of the high-pressure oil inlet pipe is provided with a fixed block, the fixed block is connected with the oil inlet pipe joint through a fastening device, the inside of the high-pressure oil inlet pipe is provided with the filtering device, the filtering device comprises a shell, one side of the shell is provided with a sealing cover, one side of the sealing cover is provided with an oil inlet, one end of the shell, far away from the sealing cover, is provided with an oil outlet, a filter element is arranged inside the shell, two sides of the filter element are, the other end of the sliding rod is located on the sealing cover, a second mounting block is arranged on the sealing cover, a first jack is arranged in the middle of the second mounting block, and the sliding rod is arranged in the first jack.

Furthermore, a damping spring is sleeved on the sliding rod between the sleeve and the first mounting block.

Furthermore, the filter core comprises first filter screen and second filter screen, first filter screen with sleeve fixed connection, the both ends of second filter screen are equipped with the connection piece, the connection piece with pass through bolted connection between the sleeve.

Further, the straining device includes the mounting panel, the mounting panel with fixed block fixed connection, one side of mounting panel is equipped with L type pole, one side head rod of L type pole, L type pole with connect through the second connecting rod between the head rod, one side of L type pole is equipped with the inserted block, inserted block and slot phase-match, the slot is located on the connecting block, the connecting block with advance one side fixed connection that the oil pipe connects, the second connecting rod with connect through reset spring between the mounting panel.

Furthermore, the L-shaped rod and the first connecting rod are connected with the second connecting rod through a movable bolt.

Further, the sealing cover is matched with the shell through threads.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the filter device is arranged in the high-pressure oil inlet pipe, so that impurities in oil can be filtered, the purity of the oil entering the oil sprayer is greatly increased, the oil sprayer body is prevented from being blocked, the safety is greatly improved, the use of people is facilitated, and the occurrence of dangerous conditions is avoided;

(2) the fastening device is convenient for fastening the high-pressure oil inlet pipe and the oil inlet pipe joint, so that the high-pressure oil inlet pipe is prevented from being separated under the impact of high-pressure oil, and the safety is greatly improved;

(3) the shock absorption sleeve is characterized in that the sliding rod is sleeved with a shock absorption spring, and the high-pressure oil enters the shock absorption sleeve to have large impact force, so that the sleeve can slide on the sliding rod, the shock absorption spring can play a shock absorption role on the sleeve, and the safety of the sleeve, the first filter screen and the second filter screen 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 required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-pressure fuel injector with a filter device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a filter device in a high-pressure fuel injector with the filter device according to an embodiment of the present invention;

fig. 3 is an enlarged view at a in fig. 1.

Reference numerals:

1. a fuel injector body; 2. a high pressure oil inlet pipe; 3. an oil inlet pipe joint; 4. a fixed block; 5. a filtration device; 6. a housing; 7. a sealing cover; 8. an oil inlet; 9. an oil outlet; 10. a movable bolt; 11. a sleeve; 12. a slide bar; 13. a first mounting block; 14. a second mounting block; 15. a first jack; 16. a damping spring; 17. a first filter screen; 18. a second filter screen; 19. connecting sheets; 20. a screw; 21. mounting a plate; 22. an L-shaped rod; 23. a first connecting rod; 24. a second connecting rod; 25. inserting a block; 26. a slot; 27. connecting blocks; 28. a return spring.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, a high pressure fuel injector with a filter apparatus according to an embodiment of the present invention includes a fuel injector body 1, a high pressure fuel inlet pipe 2 is disposed on one side of the fuel injector body 1, the high pressure fuel inlet pipe 2 is connected to the fuel injector body 1 through a fuel inlet pipe joint 3, the fuel inlet pipe joint 3 is disposed on one side of the fuel injector body 1 to facilitate the connection between the high pressure fuel inlet pipe and the fuel injector body 1, one end of the fuel inlet pipe joint 3 is fixedly connected to one side of the fuel injector body 1, a fixing block 4 is disposed on an outer side wall of the high pressure fuel inlet pipe 2, the fixing block 4 facilitates the fixed mounting of a mounting plate 21, the fixing block 4 is connected to the fuel inlet pipe joint 3 through a fastening device, the fastening between the high pressure fuel inlet pipe 2 and the fuel inlet pipe joint 3 is facilitated, the separation of the high pressure fuel inlet pipe 2, the safety is greatly improved, the filtering device 5 is arranged in the high-pressure oil inlet pipe 2 and can filter impurities in oil, the purity of the impurities entering the oil sprayer is greatly improved, the blockage of the oil sprayer body is avoided, the safety is greatly improved, the use of people is facilitated, and the occurrence of dangerous situations is avoided, the filtering device 5 comprises a shell 6, one side of the shell 6 is sealed by a sealing cover 7, one side of the sealing cover 7 is provided with an oil inlet 8, one end of the shell 6, far away from the sealing cover 7, is provided with an oil outlet 9, a filter element is arranged in the shell 6, two sides of the filter element are provided with sleeves 11, a sliding rod 12 is arranged in each sleeve 11, one end of the sliding rod 12 is fixedly connected with the shell 6 through a first mounting block 13, the other end of the sliding rod 12 is positioned on the sealing cover 7 and is provided with a second, a first insertion hole 15 is formed in the middle of the second mounting block 14, and the sliding rod 12 is arranged in the first insertion hole 15.

Example two:

referring to fig. 2, for the sleeve 11, a damping spring 16 is sleeved on the sliding rod 12 between the sleeve 11 and the first mounting block 13, so that a large impact force is generated when high-pressure oil enters, the sleeve 11 will slide on the sliding rod, and the damping spring 16 can play a role in damping the sleeve 11, thereby improving the safety of the sleeve 11, the first filter screen 17 and the second filter screen 18.

Example three:

referring to fig. 2, for the filter element, the filter element is composed of a first filter screen 17 and a second filter screen 18, the first filter screen 17 is fixedly connected with the sleeve 11, connecting pieces 19 are arranged at two ends of the second filter screen 18, the connecting pieces 19 are connected with the sleeve 11 through screws 20, the aperture of the first filter screen 17 is smaller than or equal to that of the second filter screen 18, so that impurities can be filtered between the first filter screen and the second filter screen, and meanwhile, the connecting pieces 19 are connected with the sleeve 11 through the screws 20, so that the impurities can be poured out conveniently, and the reuse of the filter element can be increased.

Example four:

referring to fig. 3, for the fastening device, the fastening device includes a mounting plate 21, the mounting plate 21 is fixedly connected with the fixing block 4, an L-shaped rod 22 is arranged on one side of the mounting plate 21, a first connecting rod 23 is arranged on one side of the L-shaped rod 22, the L-shaped rod 22 is connected with the first connecting rod 23 through a second connecting rod 24, one side of the L-shaped rod 22 is provided with an inserting block 25, the inserting block 25 is matched with the inserting groove 26, the inserting groove 26 is arranged on a connecting block 27, the connecting block 27 is fixedly connected with one side of the oil inlet pipe joint 3, the second connecting rod 24 with connect through reset spring 28 between the mounting panel 21, the straining device makes things convenient for the straining between high pressure oil inlet pipe 2 and the oil inlet pipe connector 3, avoids under the impact of high-pressure oil, avoids the breaking away from of high pressure oil inlet pipe 2, great increase the security.

Example five:

referring to fig. 3, for the L-shaped rod 22, the L-shaped rod 22 is connected to the first connecting rod 23 and the second connecting rod 24 by the movable bolt 10, so that the second connecting rod 24 and the first connecting rod 23 are conveniently moved relative to the L-shaped rod 22.

Example six:

referring to fig. 2, for the sealing cover 7, the sealing cover 7 is matched with the housing 6 through threads, so that the housing 6 can be sealed, and oil leakage is avoided.

To sum up, with the aid of the above technical scheme of the utility model, high pressure oil enters into in the casing 6 through oil inlet 8, then filter through second filter screen 18, filter the impurity of big granule in one side of second filter screen 18, then filter through first filter screen 17, filter finer impurity between first filter screen 17 and second filter screen 18, the purity that gets into the inside oil of sprayer body 1 has been improved greatly, avoid causing the phenomenon of jam, great improvement the security, sleeve 11 passes through and is connected between screw 20 and the connection piece 19 simultaneously, the convenience is taken out the impurity between first filter screen 17 and the second filter screen 18, make things convenient for the used repeatedly of filter core, damping spring 16 can play the absorbing effect, avoid causing the collision between sleeve 11 and the casing 6, great improvement the security.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-pressure oil sprayer with the filtering device is characterized by comprising an oil sprayer body (1), wherein one side of the oil sprayer body (1) is provided with a high-pressure oil inlet pipe (2), the high-pressure oil inlet pipe (2) is connected with the oil sprayer body (1) through an oil inlet pipe joint (3), one end of the oil inlet pipe joint (3) is fixedly connected with one side of the oil sprayer body (1), the outer side wall of the high-pressure oil inlet pipe (2) is provided with a fixed block (4), the fixed block (4) is connected with the oil inlet pipe joint (3) through a fastening device, the filtering device (5) is arranged inside the high-pressure oil inlet pipe (2), the filtering device (5) comprises a shell (6), one side of the shell (6) is provided with a sealing cover (7), one side of the sealing cover (7) is provided with an oil inlet (8), one end of the shell (6) far away from, the inside of casing (6) is equipped with the filter core, the both sides of filter core are equipped with sleeve (11), the inside of sleeve (11) is equipped with slide bar (12), the one end of slide bar (12) through first installation piece (13) with casing (6) fixed connection, the other end of slide bar (12) is located be equipped with second installation piece (14) on sealed lid (7), the centre of second installation piece (14) is equipped with first jack (15), slide bar (12) are located in first jack (15).

2. A high pressure fuel injector with filter device according to claim 1, characterized in that a damping spring (16) is sleeved on the slide rod (12) between the sleeve (11) and the first mounting block (13).

3. The high-pressure fuel injector with the filtering device is characterized in that the filter element is composed of a first filter screen (17) and a second filter screen (18), the first filter screen (17) is fixedly connected with the sleeve (11), two ends of the second filter screen (18) are provided with connecting pieces (19), and the connecting pieces (19) are connected with the sleeve (11) through screws (20).

4. The high-pressure fuel injector with the filter device according to claim 1, the fastening device comprises an installation plate (21), the installation plate (21) is fixedly connected with the fixed block (4), an L-shaped rod (22) is arranged on one side of the mounting plate (21), a first connecting rod (23) is arranged on one side of the L-shaped rod (22), the L-shaped rod (22) is connected with the first connecting rod (23) through a second connecting rod (24), one side of the L-shaped rod (22) is provided with an insertion block (25), the insertion block (25) is matched with the slot (26), the inserting groove (26) is arranged on the connecting block (27), the connecting block (27) is fixedly connected with one side of the oil inlet pipe joint (3), the second connecting rod (24) is connected with the mounting plate (21) through a return spring (28).

5. A high-pressure fuel injector with filter device according to claim 4, characterized in that the L-shaped rod (22) and the first connecting rod (23) are connected with the second connecting rod (24) by a movable bolt (10).

6. High pressure fuel injector with filter device according to claim 1, characterized in that the sealing cover (7) is screw-threaded with the housing (6).